annotate Python/compile.c @ 86823:17d730d37b2f

Issue #19410: Put back in special-casing of '' for importlib.machinery.FileFinder. While originally moved to stop special-casing '' as PathFinder farther up the typical call chain now uses the cwd in the instance of '', it was deemed an unnecessary risk to breaking subclasses of FileFinder to take the special-casing out.
author Brett Cannon <brett@python.org>
date Fri, 01 Nov 2013 10:37:57 -0400
parents bb2affc1e317
children ea373a14f9e9
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1 /*
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2 * This file compiles an abstract syntax tree (AST) into Python bytecode.
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3 *
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4 * The primary entry point is PyAST_Compile(), which returns a
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5 * PyCodeObject. The compiler makes several passes to build the code
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6 * object:
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7 * 1. Checks for future statements. See future.c
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8 * 2. Builds a symbol table. See symtable.c.
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9 * 3. Generate code for basic blocks. See compiler_mod() in this file.
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10 * 4. Assemble the basic blocks into final code. See assemble() in
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11 * this file.
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12 * 5. Optimize the byte code (peephole optimizations). See peephole.c
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13 *
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14 * Note that compiler_mod() suggests module, but the module ast type
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15 * (mod_ty) has cases for expressions and interactive statements.
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16 *
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17 * CAUTION: The VISIT_* macros abort the current function when they
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18 * encounter a problem. So don't invoke them when there is memory
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19 * which needs to be released. Code blocks are OK, as the compiler
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20 * structure takes care of releasing those. Use the arena to manage
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21 * objects.
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22 */
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23
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24 #include "Python.h"
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25
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26 #include "Python-ast.h"
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27 #include "node.h"
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28 #include "ast.h"
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29 #include "code.h"
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30 #include "symtable.h"
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31 #include "opcode.h"
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32
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33 int Py_OptimizeFlag = 0;
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34
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35 #define DEFAULT_BLOCK_SIZE 16
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36 #define DEFAULT_BLOCKS 8
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37 #define DEFAULT_CODE_SIZE 128
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38 #define DEFAULT_LNOTAB_SIZE 16
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39
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40 #define COMP_GENEXP 0
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41 #define COMP_LISTCOMP 1
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42 #define COMP_SETCOMP 2
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43 #define COMP_DICTCOMP 3
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44
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45 struct instr {
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46 unsigned i_jabs : 1;
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47 unsigned i_jrel : 1;
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48 unsigned i_hasarg : 1;
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49 unsigned char i_opcode;
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50 int i_oparg;
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51 struct basicblock_ *i_target; /* target block (if jump instruction) */
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52 int i_lineno;
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53 };
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54
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55 typedef struct basicblock_ {
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56 /* Each basicblock in a compilation unit is linked via b_list in the
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57 reverse order that the block are allocated. b_list points to the next
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58 block, not to be confused with b_next, which is next by control flow. */
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59 struct basicblock_ *b_list;
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60 /* number of instructions used */
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61 int b_iused;
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62 /* length of instruction array (b_instr) */
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63 int b_ialloc;
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64 /* pointer to an array of instructions, initially NULL */
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65 struct instr *b_instr;
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66 /* If b_next is non-NULL, it is a pointer to the next
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67 block reached by normal control flow. */
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68 struct basicblock_ *b_next;
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69 /* b_seen is used to perform a DFS of basicblocks. */
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70 unsigned b_seen : 1;
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71 /* b_return is true if a RETURN_VALUE opcode is inserted. */
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72 unsigned b_return : 1;
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73 /* depth of stack upon entry of block, computed by stackdepth() */
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74 int b_startdepth;
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75 /* instruction offset for block, computed by assemble_jump_offsets() */
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76 int b_offset;
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77 } basicblock;
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78
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79 /* fblockinfo tracks the current frame block.
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80
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81 A frame block is used to handle loops, try/except, and try/finally.
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82 It's called a frame block to distinguish it from a basic block in the
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83 compiler IR.
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84 */
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85
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86 enum fblocktype { LOOP, EXCEPT, FINALLY_TRY, FINALLY_END };
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87
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88 struct fblockinfo {
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89 enum fblocktype fb_type;
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90 basicblock *fb_block;
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91 };
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92
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93 enum {
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94 COMPILER_SCOPE_MODULE,
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95 COMPILER_SCOPE_CLASS,
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96 COMPILER_SCOPE_FUNCTION,
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97 COMPILER_SCOPE_LAMBDA,
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98 COMPILER_SCOPE_COMPREHENSION,
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99 };
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100
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101 /* The following items change on entry and exit of code blocks.
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102 They must be saved and restored when returning to a block.
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103 */
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104 struct compiler_unit {
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105 PySTEntryObject *u_ste;
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106
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107 PyObject *u_name;
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108 PyObject *u_qualname; /* dot-separated qualified name (lazy) */
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109 int u_scope_type;
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110
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111 /* The following fields are dicts that map objects to
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112 the index of them in co_XXX. The index is used as
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113 the argument for opcodes that refer to those collections.
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114 */
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115 PyObject *u_consts; /* all constants */
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116 PyObject *u_names; /* all names */
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117 PyObject *u_varnames; /* local variables */
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118 PyObject *u_cellvars; /* cell variables */
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119 PyObject *u_freevars; /* free variables */
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120
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121 PyObject *u_private; /* for private name mangling */
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122
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123 int u_argcount; /* number of arguments for block */
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124 int u_kwonlyargcount; /* number of keyword only arguments for block */
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125 /* Pointer to the most recently allocated block. By following b_list
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126 members, you can reach all early allocated blocks. */
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127 basicblock *u_blocks;
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128 basicblock *u_curblock; /* pointer to current block */
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129
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130 int u_nfblocks;
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131 struct fblockinfo u_fblock[CO_MAXBLOCKS];
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132
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133 int u_firstlineno; /* the first lineno of the block */
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134 int u_lineno; /* the lineno for the current stmt */
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135 int u_col_offset; /* the offset of the current stmt */
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136 int u_lineno_set; /* boolean to indicate whether instr
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137 has been generated with current lineno */
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138 };
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139
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140 /* This struct captures the global state of a compilation.
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141
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142 The u pointer points to the current compilation unit, while units
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143 for enclosing blocks are stored in c_stack. The u and c_stack are
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144 managed by compiler_enter_scope() and compiler_exit_scope().
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145
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146 Note that we don't track recursion levels during compilation - the
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147 task of detecting and rejecting excessive levels of nesting is
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148 handled by the symbol analysis pass.
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149
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150 */
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151
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152 struct compiler {
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153 PyObject *c_filename;
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154 struct symtable *c_st;
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155 PyFutureFeatures *c_future; /* pointer to module's __future__ */
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156 PyCompilerFlags *c_flags;
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157
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158 int c_optimize; /* optimization level */
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159 int c_interactive; /* true if in interactive mode */
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160 int c_nestlevel;
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161
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162 struct compiler_unit *u; /* compiler state for current block */
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163 PyObject *c_stack; /* Python list holding compiler_unit ptrs */
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164 PyArena *c_arena; /* pointer to memory allocation arena */
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165 };
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166
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167 static int compiler_enter_scope(struct compiler *, identifier, int, void *, int);
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168 static void compiler_free(struct compiler *);
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169 static basicblock *compiler_new_block(struct compiler *);
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170 static int compiler_next_instr(struct compiler *, basicblock *);
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171 static int compiler_addop(struct compiler *, int);
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172 static int compiler_addop_o(struct compiler *, int, PyObject *, PyObject *);
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173 static int compiler_addop_i(struct compiler *, int, int);
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174 static int compiler_addop_j(struct compiler *, int, basicblock *, int);
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175 static basicblock *compiler_use_new_block(struct compiler *);
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176 static int compiler_error(struct compiler *, const char *);
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177 static int compiler_nameop(struct compiler *, identifier, expr_context_ty);
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178
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179 static PyCodeObject *compiler_mod(struct compiler *, mod_ty);
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180 static int compiler_visit_stmt(struct compiler *, stmt_ty);
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181 static int compiler_visit_keyword(struct compiler *, keyword_ty);
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182 static int compiler_visit_expr(struct compiler *, expr_ty);
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183 static int compiler_augassign(struct compiler *, stmt_ty);
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184 static int compiler_visit_slice(struct compiler *, slice_ty,
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185 expr_context_ty);
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186
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187 static int compiler_push_fblock(struct compiler *, enum fblocktype,
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188 basicblock *);
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189 static void compiler_pop_fblock(struct compiler *, enum fblocktype,
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190 basicblock *);
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191 /* Returns true if there is a loop on the fblock stack. */
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192 static int compiler_in_loop(struct compiler *);
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193
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194 static int inplace_binop(struct compiler *, operator_ty);
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195 static int expr_constant(struct compiler *, expr_ty);
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196
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197 static int compiler_with(struct compiler *, stmt_ty, int);
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198 static int compiler_call_helper(struct compiler *c, int n,
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199 asdl_seq *args,
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200 asdl_seq *keywords,
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201 expr_ty starargs,
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202 expr_ty kwargs);
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203 static int compiler_try_except(struct compiler *, stmt_ty);
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204 static int compiler_set_qualname(struct compiler *);
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205
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206 static PyCodeObject *assemble(struct compiler *, int addNone);
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207 static PyObject *__doc__;
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208
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209 #define COMPILER_CAPSULE_NAME_COMPILER_UNIT "compile.c compiler unit"
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210
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211 PyObject *
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212 _Py_Mangle(PyObject *privateobj, PyObject *ident)
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213 {
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214 /* Name mangling: __private becomes _classname__private.
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215 This is independent from how the name is used. */
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216 PyObject *result;
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217 size_t nlen, plen, ipriv;
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218 Py_UCS4 maxchar;
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219 if (privateobj == NULL || !PyUnicode_Check(privateobj) ||
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220 PyUnicode_READ_CHAR(ident, 0) != '_' ||
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221 PyUnicode_READ_CHAR(ident, 1) != '_') {
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222 Py_INCREF(ident);
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223 return ident;
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224 }
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225 nlen = PyUnicode_GET_LENGTH(ident);
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226 plen = PyUnicode_GET_LENGTH(privateobj);
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227 /* Don't mangle __id__ or names with dots.
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228
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229 The only time a name with a dot can occur is when
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230 we are compiling an import statement that has a
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231 package name.
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232
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233 TODO(jhylton): Decide whether we want to support
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234 mangling of the module name, e.g. __M.X.
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235 */
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236 if ((PyUnicode_READ_CHAR(ident, nlen-1) == '_' &&
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237 PyUnicode_READ_CHAR(ident, nlen-2) == '_') ||
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238 PyUnicode_FindChar(ident, '.', 0, nlen, 1) != -1) {
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239 Py_INCREF(ident);
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240 return ident; /* Don't mangle __whatever__ */
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241 }
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242 /* Strip leading underscores from class name */
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243 ipriv = 0;
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244 while (PyUnicode_READ_CHAR(privateobj, ipriv) == '_')
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245 ipriv++;
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246 if (ipriv == plen) {
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247 Py_INCREF(ident);
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248 return ident; /* Don't mangle if class is just underscores */
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249 }
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250 plen -= ipriv;
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251
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252 if (plen + nlen >= PY_SSIZE_T_MAX - 1) {
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253 PyErr_SetString(PyExc_OverflowError,
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254 "private identifier too large to be mangled");
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255 return NULL;
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256 }
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257
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diff changeset
258 maxchar = PyUnicode_MAX_CHAR_VALUE(ident);
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diff changeset
259 if (PyUnicode_MAX_CHAR_VALUE(privateobj) > maxchar)
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diff changeset
260 maxchar = PyUnicode_MAX_CHAR_VALUE(privateobj);
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diff changeset
261
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diff changeset
262 result = PyUnicode_New(1 + nlen + plen, maxchar);
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diff changeset
263 if (!result)
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264 return 0;
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diff changeset
265 /* ident = "_" + priv[ipriv:] + ident # i.e. 1+plen+nlen bytes */
8beaa9a37387 Implement PEP 393.
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266 PyUnicode_WRITE(PyUnicode_KIND(result), PyUnicode_DATA(result), 0, '_');
72493
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267 if (PyUnicode_CopyCharacters(result, 1, privateobj, ipriv, plen) < 0) {
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268 Py_DECREF(result);
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269 return NULL;
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270 }
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271 if (PyUnicode_CopyCharacters(result, plen+1, ident, 0, nlen) < 0) {
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272 Py_DECREF(result);
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273 return NULL;
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274 }
76573
1439e2d1f490 Check newly created consistency using _PyUnicode_CheckConsistency(str, 1)
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275 assert(_PyUnicode_CheckConsistency(result, 1));
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276 return result;
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277 }
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278
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279 static int
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280 compiler_init(struct compiler *c)
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281 {
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282 memset(c, 0, sizeof(struct compiler));
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283
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284 c->c_stack = PyList_New(0);
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285 if (!c->c_stack)
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286 return 0;
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287
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288 return 1;
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289 }
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290
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291 PyCodeObject *
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292 PyAST_CompileObject(mod_ty mod, PyObject *filename, PyCompilerFlags *flags,
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293 int optimize, PyArena *arena)
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294 {
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295 struct compiler c;
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296 PyCodeObject *co = NULL;
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297 PyCompilerFlags local_flags;
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298 int merged;
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299
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300 if (!__doc__) {
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301 __doc__ = PyUnicode_InternFromString("__doc__");
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302 if (!__doc__)
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303 return NULL;
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304 }
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305
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306 if (!compiler_init(&c))
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307 return NULL;
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308 Py_INCREF(filename);
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309 c.c_filename = filename;
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310 c.c_arena = arena;
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311 c.c_future = PyFuture_FromASTObject(mod, filename);
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312 if (c.c_future == NULL)
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313 goto finally;
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314 if (!flags) {
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315 local_flags.cf_flags = 0;
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316 flags = &local_flags;
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317 }
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318 merged = c.c_future->ff_features | flags->cf_flags;
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319 c.c_future->ff_features = merged;
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320 flags->cf_flags = merged;
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321 c.c_flags = flags;
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
322 c.c_optimize = (optimize == -1) ? Py_OptimizeFlag : optimize;
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323 c.c_nestlevel = 0;
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324
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325 c.c_st = PySymtable_BuildObject(mod, filename, c.c_future);
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326 if (c.c_st == NULL) {
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327 if (!PyErr_Occurred())
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328 PyErr_SetString(PyExc_SystemError, "no symtable");
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329 goto finally;
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330 }
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331
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332 co = compiler_mod(&c, mod);
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333
36697
78de5f6b2f67 Clarify C-style exception handling with proper label name.
Thomas Wouters <thomas@python.org>
parents: 36696
diff changeset
334 finally:
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335 compiler_free(&c);
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336 assert(co || PyErr_Occurred());
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337 return co;
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338 }
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339
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340 PyCodeObject *
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341 PyAST_CompileEx(mod_ty mod, const char *filename_str, PyCompilerFlags *flags,
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342 int optimize, PyArena *arena)
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343 {
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344 PyObject *filename;
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345 PyCodeObject *co;
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346 filename = PyUnicode_DecodeFSDefault(filename_str);
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diff changeset
347 if (filename == NULL)
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348 return NULL;
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349 co = PyAST_CompileObject(mod, filename, flags, optimize, arena);
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350 Py_DECREF(filename);
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diff changeset
351 return co;
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352
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
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diff changeset
353 }
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354
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diff changeset
355 PyCodeObject *
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356 PyNode_Compile(struct _node *n, const char *filename)
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357 {
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358 PyCodeObject *co = NULL;
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359 mod_ty mod;
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360 PyArena *arena = PyArena_New();
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361 if (!arena)
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362 return NULL;
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363 mod = PyAST_FromNode(n, NULL, filename, arena);
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364 if (mod)
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365 co = PyAST_Compile(mod, filename, NULL, arena);
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366 PyArena_Free(arena);
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367 return co;
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
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368 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
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369
69
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370 static void
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371 compiler_free(struct compiler *c)
69
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372 {
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373 if (c->c_st)
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374 PySymtable_Free(c->c_st);
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375 if (c->c_future)
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376 PyObject_Free(c->c_future);
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377 Py_XDECREF(c->c_filename);
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378 Py_DECREF(c->c_stack);
69
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379 }
cccd534f2280 Initial revision
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380
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381 static PyObject *
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382 list2dict(PyObject *list)
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
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383 {
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384 Py_ssize_t i, n;
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385 PyObject *v, *k;
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386 PyObject *dict = PyDict_New();
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387 if (!dict) return NULL;
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388
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389 n = PyList_Size(list);
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390 for (i = 0; i < n; i++) {
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391 v = PyLong_FromLong(i);
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392 if (!v) {
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393 Py_DECREF(dict);
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394 return NULL;
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395 }
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396 k = PyList_GET_ITEM(list, i);
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397 k = PyTuple_Pack(2, k, k->ob_type);
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398 if (k == NULL || PyDict_SetItem(dict, k, v) < 0) {
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399 Py_XDECREF(k);
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400 Py_DECREF(v);
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401 Py_DECREF(dict);
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402 return NULL;
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403 }
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404 Py_DECREF(k);
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405 Py_DECREF(v);
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406 }
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407 return dict;
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408 }
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409
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410 /* Return new dict containing names from src that match scope(s).
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411
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412 src is a symbol table dictionary. If the scope of a name matches
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413 either scope_type or flag is set, insert it into the new dict. The
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414 values are integers, starting at offset and increasing by one for
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415 each key.
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416 */
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417
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418 static PyObject *
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419 dictbytype(PyObject *src, int scope_type, int flag, int offset)
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420 {
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421 Py_ssize_t i = offset, scope, num_keys, key_i;
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422 PyObject *k, *v, *dest = PyDict_New();
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423 PyObject *sorted_keys;
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424
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425 assert(offset >= 0);
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426 if (dest == NULL)
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427 return NULL;
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428
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429 /* Sort the keys so that we have a deterministic order on the indexes
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430 saved in the returned dictionary. These indexes are used as indexes
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431 into the free and cell var storage. Therefore if they aren't
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432 deterministic, then the generated bytecode is not deterministic.
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433 */
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434 sorted_keys = PyDict_Keys(src);
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435 if (sorted_keys == NULL)
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436 return NULL;
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437 if (PyList_Sort(sorted_keys) != 0) {
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438 Py_DECREF(sorted_keys);
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439 return NULL;
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440 }
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441 num_keys = PyList_GET_SIZE(sorted_keys);
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442
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443 for (key_i = 0; key_i < num_keys; key_i++) {
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444 /* XXX this should probably be a macro in symtable.h */
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445 long vi;
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446 k = PyList_GET_ITEM(sorted_keys, key_i);
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447 v = PyDict_GetItem(src, k);
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448 assert(PyLong_Check(v));
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449 vi = PyLong_AS_LONG(v);
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450 scope = (vi >> SCOPE_OFFSET) & SCOPE_MASK;
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451
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452 if (scope == scope_type || vi & flag) {
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453 PyObject *tuple, *item = PyLong_FromLong(i);
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454 if (item == NULL) {
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455 Py_DECREF(sorted_keys);
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456 Py_DECREF(dest);
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457 return NULL;
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458 }
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459 i++;
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460 tuple = PyTuple_Pack(2, k, k->ob_type);
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461 if (!tuple || PyDict_SetItem(dest, tuple, item) < 0) {
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462 Py_DECREF(sorted_keys);
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463 Py_DECREF(item);
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464 Py_DECREF(dest);
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465 Py_XDECREF(tuple);
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466 return NULL;
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467 }
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468 Py_DECREF(item);
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469 Py_DECREF(tuple);
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470 }
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471 }
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472 Py_DECREF(sorted_keys);
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473 return dest;
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474 }
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475
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476 static void
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477 compiler_unit_check(struct compiler_unit *u)
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478 {
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479 basicblock *block;
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480 for (block = u->u_blocks; block != NULL; block = block->b_list) {
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481 assert((void *)block != (void *)0xcbcbcbcb);
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482 assert((void *)block != (void *)0xfbfbfbfb);
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483 assert((void *)block != (void *)0xdbdbdbdb);
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484 if (block->b_instr != NULL) {
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485 assert(block->b_ialloc > 0);
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486 assert(block->b_iused > 0);
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487 assert(block->b_ialloc >= block->b_iused);
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488 }
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489 else {
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490 assert (block->b_iused == 0);
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491 assert (block->b_ialloc == 0);
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492 }
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493 }
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494 }
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495
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496 static void
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497 compiler_unit_free(struct compiler_unit *u)
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498 {
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499 basicblock *b, *next;
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500
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501 compiler_unit_check(u);
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502 b = u->u_blocks;
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503 while (b != NULL) {
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504 if (b->b_instr)
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505 PyObject_Free((void *)b->b_instr);
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506 next = b->b_list;
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507 PyObject_Free((void *)b);
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508 b = next;
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509 }
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510 Py_CLEAR(u->u_ste);
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511 Py_CLEAR(u->u_name);
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512 Py_CLEAR(u->u_qualname);
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513 Py_CLEAR(u->u_consts);
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514 Py_CLEAR(u->u_names);
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515 Py_CLEAR(u->u_varnames);
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516 Py_CLEAR(u->u_freevars);
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517 Py_CLEAR(u->u_cellvars);
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518 Py_CLEAR(u->u_private);
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519 PyObject_Free(u);
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520 }
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521
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522 static int
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523 compiler_enter_scope(struct compiler *c, identifier name,
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524 int scope_type, void *key, int lineno)
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parents: 35310
diff changeset
525 {
61467
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diff changeset
526 struct compiler_unit *u;
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527
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diff changeset
528 u = (struct compiler_unit *)PyObject_Malloc(sizeof(
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diff changeset
529 struct compiler_unit));
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diff changeset
530 if (!u) {
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parents: 57502
diff changeset
531 PyErr_NoMemory();
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diff changeset
532 return 0;
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533 }
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diff changeset
534 memset(u, 0, sizeof(struct compiler_unit));
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
535 u->u_scope_type = scope_type;
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536 u->u_argcount = 0;
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537 u->u_kwonlyargcount = 0;
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diff changeset
538 u->u_ste = PySymtable_Lookup(c->c_st, key);
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diff changeset
539 if (!u->u_ste) {
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diff changeset
540 compiler_unit_free(u);
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diff changeset
541 return 0;
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diff changeset
542 }
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diff changeset
543 Py_INCREF(name);
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diff changeset
544 u->u_name = name;
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diff changeset
545 u->u_varnames = list2dict(u->u_ste->ste_varnames);
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diff changeset
546 u->u_cellvars = dictbytype(u->u_ste->ste_symbols, CELL, 0, 0);
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547 if (!u->u_varnames || !u->u_cellvars) {
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diff changeset
548 compiler_unit_free(u);
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549 return 0;
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550 }
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
551 if (u->u_ste->ste_needs_class_closure) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
552 /* Cook up a implicit __class__ cell. */
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
553 _Py_IDENTIFIER(__class__);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
554 PyObject *tuple, *name, *zero;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
555 int res;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
556 assert(u->u_scope_type == COMPILER_SCOPE_CLASS);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
557 assert(PyDict_Size(u->u_cellvars) == 0);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
558 name = _PyUnicode_FromId(&PyId___class__);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
559 if (!name) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
560 compiler_unit_free(u);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
561 return 0;
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Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
562 }
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Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
563 tuple = PyTuple_Pack(2, name, Py_TYPE(name));
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
564 if (!tuple) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
565 compiler_unit_free(u);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
566 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
567 }
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
568 zero = PyLong_FromLong(0);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
569 if (!zero) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
570 Py_DECREF(tuple);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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diff changeset
571 compiler_unit_free(u);
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parents: 83572
diff changeset
572 return 0;
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parents: 83572
diff changeset
573 }
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diff changeset
574 res = PyDict_SetItem(u->u_cellvars, tuple, zero);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
575 Py_DECREF(tuple);
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diff changeset
576 Py_DECREF(zero);
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parents: 83572
diff changeset
577 if (res < 0) {
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diff changeset
578 compiler_unit_free(u);
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diff changeset
579 return 0;
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parents: 83572
diff changeset
580 }
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parents: 83572
diff changeset
581 }
61467
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582
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diff changeset
583 u->u_freevars = dictbytype(u->u_ste->ste_symbols, FREE, DEF_FREE_CLASS,
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584 PyDict_Size(u->u_cellvars));
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585 if (!u->u_freevars) {
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586 compiler_unit_free(u);
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587 return 0;
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588 }
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589
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590 u->u_blocks = NULL;
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591 u->u_nfblocks = 0;
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592 u->u_firstlineno = lineno;
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593 u->u_lineno = 0;
64861
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594 u->u_col_offset = 0;
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595 u->u_lineno_set = 0;
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596 u->u_consts = PyDict_New();
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diff changeset
597 if (!u->u_consts) {
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diff changeset
598 compiler_unit_free(u);
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diff changeset
599 return 0;
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diff changeset
600 }
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601 u->u_names = PyDict_New();
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diff changeset
602 if (!u->u_names) {
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diff changeset
603 compiler_unit_free(u);
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diff changeset
604 return 0;
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605 }
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diff changeset
606
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607 u->u_private = NULL;
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diff changeset
608
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diff changeset
609 /* Push the old compiler_unit on the stack. */
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diff changeset
610 if (c->u) {
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diff changeset
611 PyObject *capsule = PyCapsule_New(c->u, COMPILER_CAPSULE_NAME_COMPILER_UNIT, NULL);
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diff changeset
612 if (!capsule || PyList_Append(c->c_stack, capsule) < 0) {
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diff changeset
613 Py_XDECREF(capsule);
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diff changeset
614 compiler_unit_free(u);
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615 return 0;
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616 }
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617 Py_DECREF(capsule);
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618 u->u_private = c->u->u_private;
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619 Py_XINCREF(u->u_private);
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620 }
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621 c->u = u;
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622
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623 c->c_nestlevel++;
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624 if (compiler_use_new_block(c) == NULL)
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625 return 0;
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626
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
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diff changeset
627 if (u->u_scope_type != COMPILER_SCOPE_MODULE) {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
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diff changeset
628 if (!compiler_set_qualname(c))
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Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
629 return 0;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
630 }
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
631
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632 return 1;
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633 }
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diff changeset
634
35797
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35790
diff changeset
635 static void
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636 compiler_exit_scope(struct compiler *c)
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637 {
61467
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638 int n;
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diff changeset
639 PyObject *capsule;
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diff changeset
640
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diff changeset
641 c->c_nestlevel--;
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diff changeset
642 compiler_unit_free(c->u);
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diff changeset
643 /* Restore c->u to the parent unit. */
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diff changeset
644 n = PyList_GET_SIZE(c->c_stack) - 1;
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diff changeset
645 if (n >= 0) {
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diff changeset
646 capsule = PyList_GET_ITEM(c->c_stack, n);
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diff changeset
647 c->u = (struct compiler_unit *)PyCapsule_GetPointer(capsule, COMPILER_CAPSULE_NAME_COMPILER_UNIT);
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648 assert(c->u);
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649 /* we are deleting from a list so this really shouldn't fail */
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650 if (PySequence_DelItem(c->c_stack, n) < 0)
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diff changeset
651 Py_FatalError("compiler_exit_scope()");
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652 compiler_unit_check(c->u);
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653 }
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654 else
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655 c->u = NULL;
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656
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657 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
658
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
659 static int
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
660 compiler_set_qualname(struct compiler *c)
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
661 {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
662 _Py_static_string(dot, ".");
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
663 _Py_static_string(dot_locals, ".<locals>");
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
664 Py_ssize_t stack_size;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
665 struct compiler_unit *u = c->u;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
666 PyObject *name, *base, *dot_str, *dot_locals_str;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
667
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
668 base = NULL;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
669 stack_size = PyList_GET_SIZE(c->c_stack);
86495
50bb4300bf2b strengthen condition and add assertion
Benjamin Peterson <benjamin@python.org>
parents: 86491
diff changeset
670 assert(stack_size >= 1);
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
671 if (stack_size > 1) {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
672 int scope, force_global = 0;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
673 struct compiler_unit *parent;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
674 PyObject *mangled, *capsule;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
675
86491
35b384ed594b give explicitly global functions and classes a global __qualname__ (closes #19301)
Benjamin Peterson <benjamin@python.org>
parents: 85419
diff changeset
676 capsule = PyList_GET_ITEM(c->c_stack, stack_size - 1);
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
677 parent = (struct compiler_unit *)PyCapsule_GetPointer(capsule, COMPILER_CAPSULE_NAME_COMPILER_UNIT);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
678 assert(parent);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
679
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
680 if (u->u_scope_type == COMPILER_SCOPE_FUNCTION || u->u_scope_type == COMPILER_SCOPE_CLASS) {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
681 assert(u->u_name);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
682 mangled = _Py_Mangle(parent->u_private, u->u_name);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
683 if (!mangled)
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
684 return 0;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
685 scope = PyST_GetScope(parent->u_ste, mangled);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
686 Py_DECREF(mangled);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
687 assert(scope != GLOBAL_IMPLICIT);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
688 if (scope == GLOBAL_EXPLICIT)
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
689 force_global = 1;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
690 }
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
691
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
692 if (!force_global) {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
693 if (parent->u_scope_type == COMPILER_SCOPE_FUNCTION
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
694 || parent->u_scope_type == COMPILER_SCOPE_LAMBDA) {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
695 dot_locals_str = _PyUnicode_FromId(&dot_locals);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
696 if (dot_locals_str == NULL)
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
697 return 0;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
698 base = PyUnicode_Concat(parent->u_qualname, dot_locals_str);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
699 if (base == NULL)
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
700 return 0;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
701 }
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
702 else {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
703 Py_INCREF(parent->u_qualname);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
704 base = parent->u_qualname;
86491
35b384ed594b give explicitly global functions and classes a global __qualname__ (closes #19301)
Benjamin Peterson <benjamin@python.org>
parents: 85419
diff changeset
705 }
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
706 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
707 }
86491
35b384ed594b give explicitly global functions and classes a global __qualname__ (closes #19301)
Benjamin Peterson <benjamin@python.org>
parents: 85419
diff changeset
708
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
709 if (base != NULL) {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
710 dot_str = _PyUnicode_FromId(&dot);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
711 if (dot_str == NULL) {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
712 Py_DECREF(base);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
713 return 0;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
714 }
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
715 name = PyUnicode_Concat(base, dot_str);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
716 Py_DECREF(base);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
717 if (name == NULL)
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
718 return 0;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
719 PyUnicode_Append(&name, u->u_name);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
720 if (name == NULL)
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
721 return 0;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
722 }
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
723 else {
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
724 Py_INCREF(u->u_name);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
725 name = u->u_name;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
726 }
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
727 u->u_qualname = name;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
728
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
729 return 1;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
730 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
731
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
732 /* Allocate a new block and return a pointer to it.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
733 Returns NULL on error.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
734 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
735
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
736 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
737 compiler_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
738 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
739 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
740 struct compiler_unit *u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
741
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
742 u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
743 b = (basicblock *)PyObject_Malloc(sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
744 if (b == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
745 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
746 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
747 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
748 memset((void *)b, 0, sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
749 /* Extend the singly linked list of blocks with new block. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
750 b->b_list = u->u_blocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
751 u->u_blocks = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
752 return b;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
753 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
754
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
755 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
756 compiler_use_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
757 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
758 basicblock *block = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
759 if (block == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
760 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
761 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
762 return block;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
763 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
764
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
765 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
766 compiler_next_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
767 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
768 basicblock *block = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
769 if (block == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
770 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
771 c->u->u_curblock->b_next = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
772 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
773 return block;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
774 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
775
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
776 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
777 compiler_use_next_block(struct compiler *c, basicblock *block)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
778 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
779 assert(block != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
780 c->u->u_curblock->b_next = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
781 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
782 return block;
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1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
783 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
784
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
785 /* Returns the offset of the next instruction in the current block's
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
786 b_instr array. Resizes the b_instr as necessary.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
787 Returns -1 on failure.
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
788 */
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
789
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
790 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
791 compiler_next_instr(struct compiler *c, basicblock *b)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
792 {
61467
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diff changeset
793 assert(b != NULL);
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parents: 57502
diff changeset
794 if (b->b_instr == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
795 b->b_instr = (struct instr *)PyObject_Malloc(
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
796 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
797 if (b->b_instr == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
798 PyErr_NoMemory();
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parents: 57502
diff changeset
799 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
800 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
801 b->b_ialloc = DEFAULT_BLOCK_SIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
802 memset((char *)b->b_instr, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
803 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
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parents: 57502
diff changeset
804 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
805 else if (b->b_iused == b->b_ialloc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
806 struct instr *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
807 size_t oldsize, newsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
808 oldsize = b->b_ialloc * sizeof(struct instr);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
809 newsize = oldsize << 1;
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parents: 57502
diff changeset
810
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parents: 57502
diff changeset
811 if (oldsize > (PY_SIZE_MAX >> 1)) {
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parents: 57502
diff changeset
812 PyErr_NoMemory();
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
813 return -1;
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parents: 57502
diff changeset
814 }
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parents: 57502
diff changeset
815
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parents: 57502
diff changeset
816 if (newsize == 0) {
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parents: 57502
diff changeset
817 PyErr_NoMemory();
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diff changeset
818 return -1;
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parents: 57502
diff changeset
819 }
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parents: 57502
diff changeset
820 b->b_ialloc <<= 1;
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parents: 57502
diff changeset
821 tmp = (struct instr *)PyObject_Realloc(
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diff changeset
822 (void *)b->b_instr, newsize);
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diff changeset
823 if (tmp == NULL) {
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diff changeset
824 PyErr_NoMemory();
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diff changeset
825 return -1;
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parents: 57502
diff changeset
826 }
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parents: 57502
diff changeset
827 b->b_instr = tmp;
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parents: 57502
diff changeset
828 memset((char *)b->b_instr + oldsize, 0, newsize - oldsize);
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diff changeset
829 }
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
830 return b->b_iused++;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
831 }
1c4d192f1568 Merge ast-branch to head
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parents: 35310
diff changeset
832
45192
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45082
diff changeset
833 /* Set the i_lineno member of the instruction at offset off if the
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parents: 45082
diff changeset
834 line number for the current expression/statement has not
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37057
diff changeset
835 already been set. If it has been set, the call has no effect.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37057
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836
45192
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diff changeset
837 The line number is reset in the following cases:
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from
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parents: 45082
diff changeset
838 - when entering a new scope
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diff changeset
839 - on each statement
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from
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diff changeset
840 - on each expression that start a new line
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diff changeset
841 - before the "except" clause
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diff changeset
842 - before the "for" and "while" expressions
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
843 */
37879
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Thomas Wouters <thomas@python.org>
parents: 37057
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844
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
845 static void
1c4d192f1568 Merge ast-branch to head
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846 compiler_set_lineno(struct compiler *c, int off)
1c4d192f1568 Merge ast-branch to head
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parents: 35310
diff changeset
847 {
61467
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diff changeset
848 basicblock *b;
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849 if (c->u->u_lineno_set)
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diff changeset
850 return;
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diff changeset
851 c->u->u_lineno_set = 1;
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diff changeset
852 b = c->u->u_curblock;
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diff changeset
853 b->b_instr[off].i_lineno = c->u->u_lineno;
35742
1c4d192f1568 Merge ast-branch to head
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parents: 35310
diff changeset
854 }
1c4d192f1568 Merge ast-branch to head
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diff changeset
855
1c4d192f1568 Merge ast-branch to head
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diff changeset
856 static int
1c4d192f1568 Merge ast-branch to head
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857 opcode_stack_effect(int opcode, int oparg)
1c4d192f1568 Merge ast-branch to head
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diff changeset
858 {
61467
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859 switch (opcode) {
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diff changeset
860 case POP_TOP:
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diff changeset
861 return -1;
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diff changeset
862 case ROT_TWO:
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diff changeset
863 case ROT_THREE:
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diff changeset
864 return 0;
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diff changeset
865 case DUP_TOP:
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diff changeset
866 return 1;
64439
725231211273 Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
Antoine Pitrou <solipsis@pitrou.net>
parents: 63114
diff changeset
867 case DUP_TOP_TWO:
725231211273 Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
Antoine Pitrou <solipsis@pitrou.net>
parents: 63114
diff changeset
868 return 2;
61467
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869
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diff changeset
870 case UNARY_POSITIVE:
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diff changeset
871 case UNARY_NEGATIVE:
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parents: 57502
diff changeset
872 case UNARY_NOT:
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diff changeset
873 case UNARY_INVERT:
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parents: 57502
diff changeset
874 return 0;
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diff changeset
875
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diff changeset
876 case SET_ADD:
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diff changeset
877 case LIST_APPEND:
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diff changeset
878 return -1;
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diff changeset
879 case MAP_ADD:
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diff changeset
880 return -2;
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diff changeset
881
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diff changeset
882 case BINARY_POWER:
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diff changeset
883 case BINARY_MULTIPLY:
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884 case BINARY_MODULO:
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diff changeset
885 case BINARY_ADD:
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886 case BINARY_SUBTRACT:
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diff changeset
887 case BINARY_SUBSCR:
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diff changeset
888 case BINARY_FLOOR_DIVIDE:
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diff changeset
889 case BINARY_TRUE_DIVIDE:
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parents: 57502
diff changeset
890 return -1;
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parents: 57502
diff changeset
891 case INPLACE_FLOOR_DIVIDE:
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diff changeset
892 case INPLACE_TRUE_DIVIDE:
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diff changeset
893 return -1;
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diff changeset
894
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diff changeset
895 case INPLACE_ADD:
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diff changeset
896 case INPLACE_SUBTRACT:
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diff changeset
897 case INPLACE_MULTIPLY:
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diff changeset
898 case INPLACE_MODULO:
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diff changeset
899 return -1;
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parents: 57502
diff changeset
900 case STORE_SUBSCR:
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parents: 57502
diff changeset
901 return -3;
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parents: 57502
diff changeset
902 case STORE_MAP:
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903 return -2;
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parents: 57502
diff changeset
904 case DELETE_SUBSCR:
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diff changeset
905 return -2;
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parents: 57502
diff changeset
906
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parents: 57502
diff changeset
907 case BINARY_LSHIFT:
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parents: 57502
diff changeset
908 case BINARY_RSHIFT:
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parents: 57502
diff changeset
909 case BINARY_AND:
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parents: 57502
diff changeset
910 case BINARY_XOR:
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diff changeset
911 case BINARY_OR:
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parents: 57502
diff changeset
912 return -1;
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parents: 57502
diff changeset
913 case INPLACE_POWER:
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parents: 57502
diff changeset
914 return -1;
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parents: 57502
diff changeset
915 case GET_ITER:
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parents: 57502
diff changeset
916 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
917
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
918 case PRINT_EXPR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
919 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
920 case LOAD_BUILD_CLASS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
921 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
922 case INPLACE_LSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
923 case INPLACE_RSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
924 case INPLACE_AND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
925 case INPLACE_XOR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
926 case INPLACE_OR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
927 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
928 case BREAK_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
929 return 0;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
930 case SETUP_WITH:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
931 return 7;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
932 case WITH_CLEANUP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
933 return -1; /* XXX Sometimes more */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
934 case RETURN_VALUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
935 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
936 case IMPORT_STAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
937 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
938 case YIELD_VALUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
939 return 0;
74356
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 73738
diff changeset
940 case YIELD_FROM:
75714
72556ff86828 perform yield from delegation by repeating YIELD_FROM opcode (closes #14230)
Benjamin Peterson <benjamin@python.org>
parents: 74391
diff changeset
941 return -1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
942 case POP_BLOCK:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
943 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
944 case POP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
945 return 0; /* -3 except if bad bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
946 case END_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
947 return -1; /* or -2 or -3 if exception occurred */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
948
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
949 case STORE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
950 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
951 case DELETE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
952 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
953 case UNPACK_SEQUENCE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
954 return oparg-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
955 case UNPACK_EX:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
956 return (oparg&0xFF) + (oparg>>8);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
957 case FOR_ITER:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
958 return 1; /* or -1, at end of iterator */
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
959
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
960 case STORE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
961 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
962 case DELETE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
963 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
964 case STORE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
965 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
966 case DELETE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
967 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
968 case LOAD_CONST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
969 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
970 case LOAD_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
971 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
972 case BUILD_TUPLE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
973 case BUILD_LIST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
974 case BUILD_SET:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
975 return 1-oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
976 case BUILD_MAP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
977 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
978 case LOAD_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
979 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
980 case COMPARE_OP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
981 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
982 case IMPORT_NAME:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
983 return -1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
984 case IMPORT_FROM:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
985 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
986
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
987 case JUMP_FORWARD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
988 case JUMP_IF_TRUE_OR_POP: /* -1 if jump not taken */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
989 case JUMP_IF_FALSE_OR_POP: /* "" */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
990 case JUMP_ABSOLUTE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
991 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
992
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
993 case POP_JUMP_IF_FALSE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
994 case POP_JUMP_IF_TRUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
995 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
996
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
997 case LOAD_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
998 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
999
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1000 case CONTINUE_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1001 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1002 case SETUP_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1003 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1004 case SETUP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1005 case SETUP_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1006 return 6; /* can push 3 values for the new exception
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1007 + 3 others for the previous exception state */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1008
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1009 case LOAD_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1010 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1011 case STORE_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1012 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1013 case DELETE_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1014 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1015
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1016 case RAISE_VARARGS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1017 return -oparg;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1018 #define NARGS(o) (((o) % 256) + 2*(((o) / 256) % 256))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1019 case CALL_FUNCTION:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1020 return -NARGS(oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1021 case CALL_FUNCTION_VAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1022 case CALL_FUNCTION_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1023 return -NARGS(oparg)-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1024 case CALL_FUNCTION_VAR_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1025 return -NARGS(oparg)-2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1026 case MAKE_FUNCTION:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1027 return -1 -NARGS(oparg) - ((oparg >> 16) & 0xffff);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1028 case MAKE_CLOSURE:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1029 return -2 - NARGS(oparg) - ((oparg >> 16) & 0xffff);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1030 #undef NARGS
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1031 case BUILD_SLICE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1032 if (oparg == 3)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1033 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1034 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1035 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1036
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1037 case LOAD_CLOSURE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1038 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1039 case LOAD_DEREF:
83572
cf65c7a75f55 check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents: 83452
diff changeset
1040 case LOAD_CLASSDEREF:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1041 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1042 case STORE_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1043 return -1;
64620
25cc226dc9bd #4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 64439
diff changeset
1044 case DELETE_DEREF:
25cc226dc9bd #4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 64439
diff changeset
1045 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1046 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1047 fprintf(stderr, "opcode = %d\n", opcode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1048 Py_FatalError("opcode_stack_effect()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1049
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1050 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1051 return 0; /* not reachable */
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1052 }
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diff changeset
1053
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diff changeset
1054 /* Add an opcode with no argument.
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diff changeset
1055 Returns 0 on failure, 1 on success.
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1056 */
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1057
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1058 static int
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1059 compiler_addop(struct compiler *c, int opcode)
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1060 {
61467
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diff changeset
1061 basicblock *b;
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1062 struct instr *i;
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diff changeset
1063 int off;
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1064 off = compiler_next_instr(c, c->u->u_curblock);
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1065 if (off < 0)
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1066 return 0;
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1067 b = c->u->u_curblock;
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1068 i = &b->b_instr[off];
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1069 i->i_opcode = opcode;
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1070 i->i_hasarg = 0;
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1071 if (opcode == RETURN_VALUE)
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1072 b->b_return = 1;
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1073 compiler_set_lineno(c, off);
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1074 return 1;
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1075 }
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1076
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1077 static int
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1078 compiler_add_o(struct compiler *c, PyObject *dict, PyObject *o)
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1079 {
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1080 PyObject *t, *v;
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1081 Py_ssize_t arg;
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1082 double d;
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1083
85418
4d62a62ba44d Issue #18783: Removed existing mentions of Python long type in docstrings,
Serhiy Storchaka <storchaka@gmail.com>
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diff changeset
1084 /* necessary to make sure types aren't coerced (e.g., float and complex) */
61467
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1085 /* _and_ to distinguish 0.0 from -0.0 e.g. on IEEE platforms */
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1086 if (PyFloat_Check(o)) {
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1087 d = PyFloat_AS_DOUBLE(o);
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1088 /* all we need is to make the tuple different in either the 0.0
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1089 * or -0.0 case from all others, just to avoid the "coercion".
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1090 */
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1091 if (d == 0.0 && copysign(1.0, d) < 0.0)
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1092 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
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1093 else
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1094 t = PyTuple_Pack(2, o, o->ob_type);
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1095 }
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1096 else if (PyComplex_Check(o)) {
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diff changeset
1097 Py_complex z;
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1098 int real_negzero, imag_negzero;
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1099 /* For the complex case we must make complex(x, 0.)
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1100 different from complex(x, -0.) and complex(0., y)
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1101 different from complex(-0., y), for any x and y.
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1102 All four complex zeros must be distinguished.*/
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1103 z = PyComplex_AsCComplex(o);
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1104 real_negzero = z.real == 0.0 && copysign(1.0, z.real) < 0.0;
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1105 imag_negzero = z.imag == 0.0 && copysign(1.0, z.imag) < 0.0;
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1106 if (real_negzero && imag_negzero) {
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1107 t = PyTuple_Pack(5, o, o->ob_type,
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1108 Py_None, Py_None, Py_None);
45082
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1109 }
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1110 else if (imag_negzero) {
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1111 t = PyTuple_Pack(4, o, o->ob_type, Py_None, Py_None);
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1112 }
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1113 else if (real_negzero) {
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1114 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
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1115 }
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1116 else {
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1117 t = PyTuple_Pack(2, o, o->ob_type);
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1118 }
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1119 }
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1120 else {
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1121 t = PyTuple_Pack(2, o, o->ob_type);
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1122 }
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1123 if (t == NULL)
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1124 return -1;
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1125
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1126 v = PyDict_GetItem(dict, t);
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1127 if (!v) {
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1128 if (PyErr_Occurred())
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1129 return -1;
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1130 arg = PyDict_Size(dict);
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1131 v = PyLong_FromLong(arg);
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1132 if (!v) {
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1133 Py_DECREF(t);
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1134 return -1;
42775
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1135 }
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1136 if (PyDict_SetItem(dict, t, v) < 0) {
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diff changeset
1137 Py_DECREF(t);
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diff changeset
1138 Py_DECREF(v);
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1139 return -1;
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1140 }
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1141 Py_DECREF(v);
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1142 }
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1143 else
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1144 arg = PyLong_AsLong(v);
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1145 Py_DECREF(t);
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1146 return arg;
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1147 }
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1148
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1149 static int
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1150 compiler_addop_o(struct compiler *c, int opcode, PyObject *dict,
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1151 PyObject *o)
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1152 {
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1153 int arg = compiler_add_o(c, dict, o);
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1154 if (arg < 0)
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1155 return 0;
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1156 return compiler_addop_i(c, opcode, arg);
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1157 }
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1158
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1159 static int
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1160 compiler_addop_name(struct compiler *c, int opcode, PyObject *dict,
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1161 PyObject *o)
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1162 {
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1163 int arg;
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1164 PyObject *mangled = _Py_Mangle(c->u->u_private, o);
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1165 if (!mangled)
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1166 return 0;
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1167 arg = compiler_add_o(c, dict, mangled);
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1168 Py_DECREF(mangled);
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1169 if (arg < 0)
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1170 return 0;
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1171 return compiler_addop_i(c, opcode, arg);
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1172 }
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1173
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1174 /* Add an opcode with an integer argument.
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1175 Returns 0 on failure, 1 on success.
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1176 */
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1177
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1178 static int
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1179 compiler_addop_i(struct compiler *c, int opcode, int oparg)
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1180 {
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1181 struct instr *i;
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1182 int off;
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1183 off = compiler_next_instr(c, c->u->u_curblock);
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1184 if (off < 0)
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1185 return 0;
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1186 i = &c->u->u_curblock->b_instr[off];
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diff changeset
1187 i->i_opcode = opcode;
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1188 i->i_oparg = oparg;
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1189 i->i_hasarg = 1;
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diff changeset
1190 compiler_set_lineno(c, off);
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1191 return 1;
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1192 }
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1193
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1194 static int
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1195 compiler_addop_j(struct compiler *c, int opcode, basicblock *b, int absolute)
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1196 {
61467
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1197 struct instr *i;
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1198 int off;
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1199
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1200 assert(b != NULL);
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1201 off = compiler_next_instr(c, c->u->u_curblock);
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1202 if (off < 0)
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1203 return 0;
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1204 i = &c->u->u_curblock->b_instr[off];
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1205 i->i_opcode = opcode;
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1206 i->i_target = b;
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1207 i->i_hasarg = 1;
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1208 if (absolute)
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1209 i->i_jabs = 1;
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1210 else
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1211 i->i_jrel = 1;
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1212 compiler_set_lineno(c, off);
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1213 return 1;
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1214 }
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1215
61467
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1216 /* The distinction between NEW_BLOCK and NEXT_BLOCK is subtle. (I'd
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1217 like to find better names.) NEW_BLOCK() creates a new block and sets
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1218 it as the current block. NEXT_BLOCK() also creates an implicit jump
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1219 from the current block to the new block.
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1220 */
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1221
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1222 /* The returns inside these macros make it impossible to decref objects
cc992d75d5b3 Four months of trunk changes (including a few releases...)
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1223 created in the local function. Local objects should use the arena.
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1224 */
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1225
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1226
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1227 #define NEW_BLOCK(C) { \
61467
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1228 if (compiler_use_new_block((C)) == NULL) \
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1229 return 0; \
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1230 }
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1231
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1232 #define NEXT_BLOCK(C) { \
61467
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1233 if (compiler_next_block((C)) == NULL) \
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1234 return 0; \
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1235 }
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1236
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1237 #define ADDOP(C, OP) { \
61467
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1238 if (!compiler_addop((C), (OP))) \
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1239 return 0; \
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1240 }
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1241
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diff changeset
1242 #define ADDOP_IN_SCOPE(C, OP) { \
61467
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1243 if (!compiler_addop((C), (OP))) { \
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1244 compiler_exit_scope(c); \
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1245 return 0; \
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1246 } \
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1247 }
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1248
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1249 #define ADDOP_O(C, OP, O, TYPE) { \
61467
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diff changeset
1250 if (!compiler_addop_o((C), (OP), (C)->u->u_ ## TYPE, (O))) \
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1251 return 0; \
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1252 }
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1253
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1254 #define ADDOP_NAME(C, OP, O, TYPE) { \
61467
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diff changeset
1255 if (!compiler_addop_name((C), (OP), (C)->u->u_ ## TYPE, (O))) \
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1256 return 0; \
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1257 }
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1258
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1259 #define ADDOP_I(C, OP, O) { \
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1260 if (!compiler_addop_i((C), (OP), (O))) \
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1261 return 0; \
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1262 }
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1263
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1264 #define ADDOP_JABS(C, OP, O) { \
61467
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diff changeset
1265 if (!compiler_addop_j((C), (OP), (O), 1)) \
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diff changeset
1266 return 0; \
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1267 }
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1268
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1269 #define ADDOP_JREL(C, OP, O) { \
61467
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diff changeset
1270 if (!compiler_addop_j((C), (OP), (O), 0)) \
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1271 return 0; \
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1272 }
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1273
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1274 /* VISIT and VISIT_SEQ takes an ASDL type as their second argument. They use
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1275 the ASDL name to synthesize the name of the C type and the visit function.
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1276 */
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1277
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1278 #define VISIT(C, TYPE, V) {\
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1279 if (!compiler_visit_ ## TYPE((C), (V))) \
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1280 return 0; \
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1281 }
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1282
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diff changeset
1283 #define VISIT_IN_SCOPE(C, TYPE, V) {\
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1284 if (!compiler_visit_ ## TYPE((C), (V))) { \
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diff changeset
1285 compiler_exit_scope(c); \
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1286 return 0; \
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1287 } \
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1288 }
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1289
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1290 #define VISIT_SLICE(C, V, CTX) {\
61467
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diff changeset
1291 if (!compiler_visit_slice((C), (V), (CTX))) \
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1292 return 0; \
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1293 }
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1294
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1295 #define VISIT_SEQ(C, TYPE, SEQ) { \
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diff changeset
1296 int _i; \
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1297 asdl_seq *seq = (SEQ); /* avoid variable capture */ \
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1298 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
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diff changeset
1299 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, _i); \
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1300 if (!compiler_visit_ ## TYPE((C), elt)) \
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1301 return 0; \
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1302 } \
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1303 }
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1304
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1305 #define VISIT_SEQ_IN_SCOPE(C, TYPE, SEQ) { \
61467
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1306 int _i; \
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1307 asdl_seq *seq = (SEQ); /* avoid variable capture */ \
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diff changeset
1308 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
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diff changeset
1309 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, _i); \
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1310 if (!compiler_visit_ ## TYPE((C), elt)) { \
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1311 compiler_exit_scope(c); \
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1312 return 0; \
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1313 } \
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diff changeset
1314 } \
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35860
diff changeset
1315 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35860
diff changeset
1316
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1317 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1318 compiler_isdocstring(stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1319 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1320 if (s->kind != Expr_kind)
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62393
diff changeset
1321 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1322 return s->v.Expr.value->kind == Str_kind;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1323 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1324
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1325 /* Compile a sequence of statements, checking for a docstring. */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1326
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1327 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1328 compiler_body(struct compiler *c, asdl_seq *stmts)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1329 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1330 int i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1331 stmt_ty st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1332
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1333 if (!asdl_seq_LEN(stmts))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1334 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1335 st = (stmt_ty)asdl_seq_GET(stmts, 0);
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
1336 if (compiler_isdocstring(st) && c->c_optimize < 2) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1337 /* don't generate docstrings if -OO */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1338 i = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1339 VISIT(c, expr, st->v.Expr.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1340 if (!compiler_nameop(c, __doc__, Store))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1341 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1342 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1343 for (; i < asdl_seq_LEN(stmts); i++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1344 VISIT(c, stmt, (stmt_ty)asdl_seq_GET(stmts, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1345 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1346 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1347
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1348 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1349 compiler_mod(struct compiler *c, mod_ty mod)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1350 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1351 PyCodeObject *co;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1352 int addNone = 1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1353 static PyObject *module;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1354 if (!module) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1355 module = PyUnicode_InternFromString("<module>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1356 if (!module)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1357 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1358 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1359 /* Use 0 for firstlineno initially, will fixup in assemble(). */
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1360 if (!compiler_enter_scope(c, module, COMPILER_SCOPE_MODULE, mod, 0))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1361 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1362 switch (mod->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1363 case Module_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1364 if (!compiler_body(c, mod->v.Module.body)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1365 compiler_exit_scope(c);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1366 return 0;
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parents: 57502
diff changeset
1367 }
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parents: 57502
diff changeset
1368 break;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1369 case Interactive_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1370 c->c_interactive = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1371 VISIT_SEQ_IN_SCOPE(c, stmt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1372 mod->v.Interactive.body);
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parents: 57502
diff changeset
1373 break;
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parents: 57502
diff changeset
1374 case Expression_kind:
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parents: 57502
diff changeset
1375 VISIT_IN_SCOPE(c, expr, mod->v.Expression.body);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1376 addNone = 0;
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parents: 57502
diff changeset
1377 break;
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parents: 57502
diff changeset
1378 case Suite_kind:
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parents: 57502
diff changeset
1379 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1380 "suite should not be possible");
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parents: 57502
diff changeset
1381 return 0;
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parents: 57502
diff changeset
1382 default:
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parents: 57502
diff changeset
1383 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1384 "module kind %d should not be possible",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1385 mod->kind);
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parents: 57502
diff changeset
1386 return 0;
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parents: 57502
diff changeset
1387 }
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parents: 57502
diff changeset
1388 co = assemble(c, addNone);
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parents: 57502
diff changeset
1389 compiler_exit_scope(c);
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diff changeset
1390 return co;
35742
1c4d192f1568 Merge ast-branch to head
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diff changeset
1391 }
1c4d192f1568 Merge ast-branch to head
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diff changeset
1392
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1393 /* The test for LOCAL must come before the test for FREE in order to
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1394 handle classes where name is both local and free. The local var is
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1395 a method and the free var is a free var referenced within a method.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1396 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1397
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1398 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1399 get_ref_type(struct compiler *c, PyObject *name)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1400 {
83792
d1ba1228a04f fix compilation on Windows
Victor Stinner <victor.stinner@gmail.com>
parents: 83791
diff changeset
1401 int scope;
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1402 if (c->u->u_scope_type == COMPILER_SCOPE_CLASS &&
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1403 !PyUnicode_CompareWithASCIIString(name, "__class__"))
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1404 return CELL;
83792
d1ba1228a04f fix compilation on Windows
Victor Stinner <victor.stinner@gmail.com>
parents: 83791
diff changeset
1405 scope = PyST_GetScope(c->u->u_ste, name);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1406 if (scope == 0) {
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parents: 57502
diff changeset
1407 char buf[350];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1408 PyOS_snprintf(buf, sizeof(buf),
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
1409 "unknown scope for %.100s in %.100s(%s)\n"
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1410 "symbols: %s\nlocals: %s\nglobals: %s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1411 PyBytes_AS_STRING(name),
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diff changeset
1412 PyBytes_AS_STRING(c->u->u_name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1413 PyObject_REPR(c->u->u_ste->ste_id),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1414 PyObject_REPR(c->u->u_ste->ste_symbols),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1415 PyObject_REPR(c->u->u_varnames),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1416 PyObject_REPR(c->u->u_names)
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parents: 57502
diff changeset
1417 );
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parents: 57502
diff changeset
1418 Py_FatalError(buf);
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parents: 57502
diff changeset
1419 }
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diff changeset
1420
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diff changeset
1421 return scope;
35742
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diff changeset
1422 }
1c4d192f1568 Merge ast-branch to head
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diff changeset
1423
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1424 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1425 compiler_lookup_arg(PyObject *dict, PyObject *name)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1426 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1427 PyObject *k, *v;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
1428 k = PyTuple_Pack(2, name, name->ob_type);
35742
1c4d192f1568 Merge ast-branch to head
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diff changeset
1429 if (k == NULL)
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62393
diff changeset
1430 return -1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1431 v = PyDict_GetItem(dict, k);
35939
79374eb6db51 Fix a few more ref leaks. Backport candidate
Neal Norwitz <nnorwitz@gmail.com>
parents: 35895
diff changeset
1432 Py_DECREF(k);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
1433 if (v == NULL)
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1434 return -1;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43777
diff changeset
1435 return PyLong_AS_LONG(v);
35742
1c4d192f1568 Merge ast-branch to head
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diff changeset
1436 }
1c4d192f1568 Merge ast-branch to head
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diff changeset
1437
1c4d192f1568 Merge ast-branch to head
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diff changeset
1438 static int
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1439 compiler_make_closure(struct compiler *c, PyCodeObject *co, int args, PyObject *qualname)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
1440 {
61467
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diff changeset
1441 int i, free = PyCode_GetNumFree(co);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1442 if (qualname == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1443 qualname = co->co_name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1444
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diff changeset
1445 if (free == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1446 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1447 ADDOP_O(c, LOAD_CONST, qualname, consts);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1448 ADDOP_I(c, MAKE_FUNCTION, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1449 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1450 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1451 for (i = 0; i < free; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1452 /* Bypass com_addop_varname because it will generate
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1453 LOAD_DEREF but LOAD_CLOSURE is needed.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1454 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1455 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1456 int arg, reftype;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1457
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1458 /* Special case: If a class contains a method with a
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1459 free variable that has the same name as a method,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1460 the name will be considered free *and* local in the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1461 class. It should be handled by the closure, as
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1462 well as by the normal name loookup logic.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1463 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1464 reftype = get_ref_type(c, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1465 if (reftype == CELL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1466 arg = compiler_lookup_arg(c->u->u_cellvars, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1467 else /* (reftype == FREE) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1468 arg = compiler_lookup_arg(c->u->u_freevars, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1469 if (arg == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1470 fprintf(stderr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1471 "lookup %s in %s %d %d\n"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1472 "freevars of %s: %s\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1473 PyObject_REPR(name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1474 PyBytes_AS_STRING(c->u->u_name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1475 reftype, arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1476 _PyUnicode_AsString(co->co_name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1477 PyObject_REPR(co->co_freevars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1478 Py_FatalError("compiler_make_closure()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1479 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1480 ADDOP_I(c, LOAD_CLOSURE, arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1481 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1482 ADDOP_I(c, BUILD_TUPLE, free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1483 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1484 ADDOP_O(c, LOAD_CONST, qualname, consts);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1485 ADDOP_I(c, MAKE_CLOSURE, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1486 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1487 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1488
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1489 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1490 compiler_decorators(struct compiler *c, asdl_seq* decos)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1491 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1492 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1493
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1494 if (!decos)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1495 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1496
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1497 for (i = 0; i < asdl_seq_LEN(decos); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1498 VISIT(c, expr, (expr_ty)asdl_seq_GET(decos, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1499 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1500 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1501 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1502
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1503 static int
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1504 compiler_visit_kwonlydefaults(struct compiler *c, asdl_seq *kwonlyargs,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1505 asdl_seq *kw_defaults)
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1506 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1507 int i, default_count = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1508 for (i = 0; i < asdl_seq_LEN(kwonlyargs); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1509 arg_ty arg = asdl_seq_GET(kwonlyargs, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1510 expr_ty default_ = asdl_seq_GET(kw_defaults, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1511 if (default_) {
76382
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607)
Benjamin Peterson <benjamin@python.org>
parents: 70444
diff changeset
1512 PyObject *mangled = _Py_Mangle(c->u->u_private, arg->arg);
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607)
Benjamin Peterson <benjamin@python.org>
parents: 70444
diff changeset
1513 if (!mangled)
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607)
Benjamin Peterson <benjamin@python.org>
parents: 70444
diff changeset
1514 return -1;
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607)
Benjamin Peterson <benjamin@python.org>
parents: 70444
diff changeset
1515 ADDOP_O(c, LOAD_CONST, mangled, consts);
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607)
Benjamin Peterson <benjamin@python.org>
parents: 70444
diff changeset
1516 Py_DECREF(mangled);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1517 if (!compiler_visit_expr(c, default_)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1518 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1519 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1520 default_count++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1521 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1522 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1523 return default_count;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1524 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1525
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1526 static int
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1527 compiler_visit_argannotation(struct compiler *c, identifier id,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1528 expr_ty annotation, PyObject *names)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1529 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1530 if (annotation) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1531 VISIT(c, expr, annotation);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1532 if (PyList_Append(names, id))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1533 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1534 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1535 return 0;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1536 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1537
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1538 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1539 compiler_visit_argannotations(struct compiler *c, asdl_seq* args,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1540 PyObject *names)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1541 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1542 int i, error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1543 for (i = 0; i < asdl_seq_LEN(args); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1544 arg_ty arg = (arg_ty)asdl_seq_GET(args, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1545 error = compiler_visit_argannotation(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1546 c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1547 arg->arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1548 arg->annotation,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1549 names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1550 if (error)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1551 return error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1552 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1553 return 0;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1554 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1555
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1556 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1557 compiler_visit_annotations(struct compiler *c, arguments_ty args,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1558 expr_ty returns)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1559 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1560 /* Push arg annotations and a list of the argument names. Return the #
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1561 of items pushed. The expressions are evaluated out-of-order wrt the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1562 source code.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1563
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1564 More than 2^16-1 annotations is a SyntaxError. Returns -1 on error.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1565 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1566 static identifier return_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1567 PyObject *names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1568 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1569 names = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1570 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1571 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1572
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1573 if (compiler_visit_argannotations(c, args->args, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1574 goto error;
82732
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 82135
diff changeset
1575 if (args->vararg && args->vararg->annotation &&
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 82135
diff changeset
1576 compiler_visit_argannotation(c, args->vararg->arg,
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 82135
diff changeset
1577 args->vararg->annotation, names))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1578 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1579 if (compiler_visit_argannotations(c, args->kwonlyargs, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1580 goto error;
82732
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 82135
diff changeset
1581 if (args->kwarg && args->kwarg->annotation &&
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 82135
diff changeset
1582 compiler_visit_argannotation(c, args->kwarg->arg,
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 82135
diff changeset
1583 args->kwarg->annotation, names))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1584 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1585
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1586 if (!return_str) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1587 return_str = PyUnicode_InternFromString("return");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1588 if (!return_str)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1589 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1590 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1591 if (compiler_visit_argannotation(c, return_str, returns, names)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1592 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1593 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1594
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1595 len = PyList_GET_SIZE(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1596 if (len > 65534) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1597 /* len must fit in 16 bits, and len is incremented below */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1598 PyErr_SetString(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1599 "too many annotations");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1600 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1601 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1602 if (len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1603 /* convert names to a tuple and place on stack */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1604 PyObject *elt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1605 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1606 PyObject *s = PyTuple_New(len);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1607 if (!s)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1608 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1609 for (i = 0; i < len; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1610 elt = PyList_GET_ITEM(names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1611 Py_INCREF(elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1612 PyTuple_SET_ITEM(s, i, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1613 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1614 ADDOP_O(c, LOAD_CONST, s, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1615 Py_DECREF(s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1616 len++; /* include the just-pushed tuple */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1617 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1618 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1619 return len;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1620
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1621 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1622 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1623 return -1;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1624 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1625
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1626 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1627 compiler_function(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1628 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1629 PyCodeObject *co;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1630 PyObject *qualname, *first_const = Py_None;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1631 arguments_ty args = s->v.FunctionDef.args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1632 expr_ty returns = s->v.FunctionDef.returns;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1633 asdl_seq* decos = s->v.FunctionDef.decorator_list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1634 stmt_ty st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1635 int i, n, docstring, kw_default_count = 0, arglength;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1636 int num_annotations;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1637
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1638 assert(s->kind == FunctionDef_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1639
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1640 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1641 return 0;
82133
d296cf1600a8 evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents: 80739
diff changeset
1642 if (args->defaults)
d296cf1600a8 evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents: 80739
diff changeset
1643 VISIT_SEQ(c, expr, args->defaults);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1644 if (args->kwonlyargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1645 int res = compiler_visit_kwonlydefaults(c, args->kwonlyargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1646 args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1647 if (res < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1648 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1649 kw_default_count = res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1650 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1651 num_annotations = compiler_visit_annotations(c, args, returns);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1652 if (num_annotations < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1653 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1654 assert((num_annotations & 0xFFFF) == num_annotations);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1655
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1656 if (!compiler_enter_scope(c, s->v.FunctionDef.name,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1657 COMPILER_SCOPE_FUNCTION, (void *)s,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1658 s->lineno))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1659 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1660
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1661 st = (stmt_ty)asdl_seq_GET(s->v.FunctionDef.body, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1662 docstring = compiler_isdocstring(st);
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
1663 if (docstring && c->c_optimize < 2)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1664 first_const = st->v.Expr.value->v.Str.s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1665 if (compiler_add_o(c, c->u->u_consts, first_const) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1666 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1667 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1668 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1669
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1670 c->u->u_argcount = asdl_seq_LEN(args->args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1671 c->u->u_kwonlyargcount = asdl_seq_LEN(args->kwonlyargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1672 n = asdl_seq_LEN(s->v.FunctionDef.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1673 /* if there was a docstring, we need to skip the first statement */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1674 for (i = docstring; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1675 st = (stmt_ty)asdl_seq_GET(s->v.FunctionDef.body, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1676 VISIT_IN_SCOPE(c, stmt, st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1677 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1678 co = assemble(c, 1);
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1679 qualname = c->u->u_qualname;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1680 Py_INCREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1681 compiler_exit_scope(c);
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1682 if (co == NULL) {
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1683 Py_XDECREF(qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1684 Py_XDECREF(co);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1685 return 0;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1686 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1687
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1688 arglength = asdl_seq_LEN(args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1689 arglength |= kw_default_count << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1690 arglength |= num_annotations << 16;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1691 compiler_make_closure(c, co, arglength, qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1692 Py_DECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1693 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1694
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1695 /* decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1696 for (i = 0; i < asdl_seq_LEN(decos); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1697 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1698 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1699
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1700 return compiler_nameop(c, s->v.FunctionDef.name, Store);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1701 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1702
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1703 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1704 compiler_class(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1705 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1706 PyCodeObject *co;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1707 PyObject *str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1708 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1709 asdl_seq* decos = s->v.ClassDef.decorator_list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1710
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1711 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1712 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1713
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1714 /* ultimately generate code for:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1715 <name> = __build_class__(<func>, <name>, *<bases>, **<keywords>)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1716 where:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1717 <func> is a function/closure created from the class body;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1718 it has a single argument (__locals__) where the dict
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1719 (or MutableSequence) representing the locals is passed
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1720 <name> is the class name
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1721 <bases> is the positional arguments and *varargs argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1722 <keywords> is the keyword arguments and **kwds argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1723 This borrows from compiler_call.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1724 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1725
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1726 /* 1. compile the class body into a code object */
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1727 if (!compiler_enter_scope(c, s->v.ClassDef.name,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1728 COMPILER_SCOPE_CLASS, (void *)s, s->lineno))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1729 return 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1730 /* this block represents what we do in the new scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1731 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1732 /* use the class name for name mangling */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1733 Py_INCREF(s->v.ClassDef.name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1734 Py_XDECREF(c->u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1735 c->u->u_private = s->v.ClassDef.name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1736 /* load (global) __name__ ... */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1737 str = PyUnicode_InternFromString("__name__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1738 if (!str || !compiler_nameop(c, str, Load)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1739 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1740 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1741 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1742 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1743 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1744 /* ... and store it as __module__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1745 str = PyUnicode_InternFromString("__module__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1746 if (!str || !compiler_nameop(c, str, Store)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1747 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1748 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1749 return 0;
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1750 }
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1751 Py_DECREF(str);
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1752 assert(c->u->u_qualname);
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1753 ADDOP_O(c, LOAD_CONST, c->u->u_qualname, consts);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1754 str = PyUnicode_InternFromString("__qualname__");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1755 if (!str || !compiler_nameop(c, str, Store)) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1756 Py_XDECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1757 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1758 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1759 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1760 Py_DECREF(str);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1761 /* compile the body proper */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1762 if (!compiler_body(c, s->v.ClassDef.body)) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1763 compiler_exit_scope(c);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1764 return 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1765 }
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1766 if (c->u->u_ste->ste_needs_class_closure) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1767 /* return the (empty) __class__ cell */
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1768 str = PyUnicode_InternFromString("__class__");
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1769 if (str == NULL) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1770 compiler_exit_scope(c);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1771 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1772 }
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1773 i = compiler_lookup_arg(c->u->u_cellvars, str);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1774 Py_DECREF(str);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1775 assert(i == 0);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1776 /* Return the cell where to store __class__ */
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1777 ADDOP_I(c, LOAD_CLOSURE, i);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1778 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1779 else {
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1780 assert(PyDict_Size(c->u->u_cellvars) == 0);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1781 /* This happens when nobody references the cell. Return None. */
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1782 ADDOP_O(c, LOAD_CONST, Py_None, consts);
61467
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parents: 57502
diff changeset
1783 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1784 ADDOP_IN_SCOPE(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1785 /* create the code object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1786 co = assemble(c, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1787 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1788 /* leave the new scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1789 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1790 if (co == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1791 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1792
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1793 /* 2. load the 'build_class' function */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1794 ADDOP(c, LOAD_BUILD_CLASS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1795
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1796 /* 3. load a function (or closure) made from the code object */
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1797 compiler_make_closure(c, co, 0, NULL);
61467
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parents: 57502
diff changeset
1798 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1799
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1800 /* 4. load class name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1801 ADDOP_O(c, LOAD_CONST, s->v.ClassDef.name, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1802
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1803 /* 5. generate the rest of the code for the call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1804 if (!compiler_call_helper(c, 2,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1805 s->v.ClassDef.bases,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1806 s->v.ClassDef.keywords,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1807 s->v.ClassDef.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1808 s->v.ClassDef.kwargs))
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parents: 57502
diff changeset
1809 return 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1810
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1811 /* 6. apply decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1812 for (i = 0; i < asdl_seq_LEN(decos); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1813 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1814 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1815
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1816 /* 7. store into <name> */
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parents: 57502
diff changeset
1817 if (!compiler_nameop(c, s->v.ClassDef.name, Store))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1818 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1819 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1820 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1821
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1822 static int
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1823 compiler_ifexp(struct compiler *c, expr_ty e)
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1824 {
61467
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parents: 57502
diff changeset
1825 basicblock *end, *next;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1826
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1827 assert(e->kind == IfExp_kind);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1828 end = compiler_new_block(c);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1829 if (end == NULL)
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parents: 57502
diff changeset
1830 return 0;
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parents: 57502
diff changeset
1831 next = compiler_new_block(c);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1832 if (next == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1833 return 0;
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diff changeset
1834 VISIT(c, expr, e->v.IfExp.test);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1835 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
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diff changeset
1836 VISIT(c, expr, e->v.IfExp.body);
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diff changeset
1837 ADDOP_JREL(c, JUMP_FORWARD, end);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1838 compiler_use_next_block(c, next);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1839 VISIT(c, expr, e->v.IfExp.orelse);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1840 compiler_use_next_block(c, end);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1841 return 1;
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1842 }
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1843
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1844 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1845 compiler_lambda(struct compiler *c, expr_ty e)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1846 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1847 PyCodeObject *co;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1848 PyObject *qualname;
61467
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diff changeset
1849 static identifier name;
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diff changeset
1850 int kw_default_count = 0, arglength;
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diff changeset
1851 arguments_ty args = e->v.Lambda.args;
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diff changeset
1852 assert(e->kind == Lambda_kind);
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diff changeset
1853
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diff changeset
1854 if (!name) {
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diff changeset
1855 name = PyUnicode_InternFromString("<lambda>");
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diff changeset
1856 if (!name)
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diff changeset
1857 return 0;
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diff changeset
1858 }
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diff changeset
1859
82135
6917402c6191 evaluate lambda keyword-only defaults after positional defaults (#16967 again)
Benjamin Peterson <benjamin@python.org>
parents: 82133
diff changeset
1860 if (args->defaults)
6917402c6191 evaluate lambda keyword-only defaults after positional defaults (#16967 again)
Benjamin Peterson <benjamin@python.org>
parents: 82133
diff changeset
1861 VISIT_SEQ(c, expr, args->defaults);
61467
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diff changeset
1862 if (args->kwonlyargs) {
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diff changeset
1863 int res = compiler_visit_kwonlydefaults(c, args->kwonlyargs,
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diff changeset
1864 args->kw_defaults);
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diff changeset
1865 if (res < 0) return 0;
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diff changeset
1866 kw_default_count = res;
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diff changeset
1867 }
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1868 if (!compiler_enter_scope(c, name, COMPILER_SCOPE_LAMBDA,
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1869 (void *)e, e->lineno))
61467
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diff changeset
1870 return 0;
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diff changeset
1871
61466
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diff changeset
1872 /* Make None the first constant, so the lambda can't have a
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diff changeset
1873 docstring. */
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diff changeset
1874 if (compiler_add_o(c, c->u->u_consts, Py_None) < 0)
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diff changeset
1875 return 0;
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diff changeset
1876
61467
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diff changeset
1877 c->u->u_argcount = asdl_seq_LEN(args->args);
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diff changeset
1878 c->u->u_kwonlyargcount = asdl_seq_LEN(args->kwonlyargs);
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diff changeset
1879 VISIT_IN_SCOPE(c, expr, e->v.Lambda.body);
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diff changeset
1880 if (c->u->u_ste->ste_generator) {
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diff changeset
1881 ADDOP_IN_SCOPE(c, POP_TOP);
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diff changeset
1882 }
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diff changeset
1883 else {
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diff changeset
1884 ADDOP_IN_SCOPE(c, RETURN_VALUE);
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diff changeset
1885 }
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diff changeset
1886 co = assemble(c, 1);
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1887 qualname = c->u->u_qualname;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1888 Py_INCREF(qualname);
61467
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diff changeset
1889 compiler_exit_scope(c);
86521
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Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
1890 if (co == NULL)
61467
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diff changeset
1891 return 0;
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diff changeset
1892
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1893 arglength = asdl_seq_LEN(args->defaults);
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diff changeset
1894 arglength |= kw_default_count << 8;
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1895 compiler_make_closure(c, co, arglength, qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
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diff changeset
1896 Py_DECREF(qualname);
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diff changeset
1897 Py_DECREF(co);
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diff changeset
1898
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1899 return 1;
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1900 }
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1901
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1902 static int
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1903 compiler_if(struct compiler *c, stmt_ty s)
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1904 {
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diff changeset
1905 basicblock *end, *next;
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diff changeset
1906 int constant;
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1907 assert(s->kind == If_kind);
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1908 end = compiler_new_block(c);
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1909 if (end == NULL)
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1910 return 0;
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diff changeset
1911
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
1912 constant = expr_constant(c, s->v.If.test);
61467
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1913 /* constant = 0: "if 0"
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1914 * constant = 1: "if 1", "if 2", ...
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1915 * constant = -1: rest */
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1916 if (constant == 0) {
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1917 if (s->v.If.orelse)
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1918 VISIT_SEQ(c, stmt, s->v.If.orelse);
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1919 } else if (constant == 1) {
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1920 VISIT_SEQ(c, stmt, s->v.If.body);
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1921 } else {
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1922 if (s->v.If.orelse) {
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1923 next = compiler_new_block(c);
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1924 if (next == NULL)
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1925 return 0;
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1926 }
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1927 else
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1928 next = end;
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1929 VISIT(c, expr, s->v.If.test);
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1930 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
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diff changeset
1931 VISIT_SEQ(c, stmt, s->v.If.body);
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1932 ADDOP_JREL(c, JUMP_FORWARD, end);
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1933 if (s->v.If.orelse) {
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1934 compiler_use_next_block(c, next);
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1935 VISIT_SEQ(c, stmt, s->v.If.orelse);
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1936 }
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1937 }
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1938 compiler_use_next_block(c, end);
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1939 return 1;
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1940 }
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1941
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1942 static int
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1943 compiler_for(struct compiler *c, stmt_ty s)
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1944 {
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1945 basicblock *start, *cleanup, *end;
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1946
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1947 start = compiler_new_block(c);
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1948 cleanup = compiler_new_block(c);
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1949 end = compiler_new_block(c);
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1950 if (start == NULL || end == NULL || cleanup == NULL)
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1951 return 0;
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1952 ADDOP_JREL(c, SETUP_LOOP, end);
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diff changeset
1953 if (!compiler_push_fblock(c, LOOP, start))
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1954 return 0;
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1955 VISIT(c, expr, s->v.For.iter);
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diff changeset
1956 ADDOP(c, GET_ITER);
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1957 compiler_use_next_block(c, start);
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diff changeset
1958 ADDOP_JREL(c, FOR_ITER, cleanup);
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diff changeset
1959 VISIT(c, expr, s->v.For.target);
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diff changeset
1960 VISIT_SEQ(c, stmt, s->v.For.body);
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diff changeset
1961 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
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diff changeset
1962 compiler_use_next_block(c, cleanup);
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1963 ADDOP(c, POP_BLOCK);
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1964 compiler_pop_fblock(c, LOOP, start);
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1965 VISIT_SEQ(c, stmt, s->v.For.orelse);
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1966 compiler_use_next_block(c, end);
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1967 return 1;
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1968 }
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1969
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1970 static int
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1971 compiler_while(struct compiler *c, stmt_ty s)
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1972 {
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1973 basicblock *loop, *orelse, *end, *anchor = NULL;
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
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1974 int constant = expr_constant(c, s->v.While.test);
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1975
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1976 if (constant == 0) {
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1977 if (s->v.While.orelse)
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1978 VISIT_SEQ(c, stmt, s->v.While.orelse);
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1979 return 1;
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1980 }
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1981 loop = compiler_new_block(c);
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1982 end = compiler_new_block(c);
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1983 if (constant == -1) {
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1984 anchor = compiler_new_block(c);
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1985 if (anchor == NULL)
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1986 return 0;
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1987 }
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1988 if (loop == NULL || end == NULL)
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1989 return 0;
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1990 if (s->v.While.orelse) {
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1991 orelse = compiler_new_block(c);
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1992 if (orelse == NULL)
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1993 return 0;
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1994 }
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1995 else
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1996 orelse = NULL;
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1997
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1998 ADDOP_JREL(c, SETUP_LOOP, end);
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1999 compiler_use_next_block(c, loop);
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2000 if (!compiler_push_fblock(c, LOOP, loop))
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2001 return 0;
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2002 if (constant == -1) {
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2003 VISIT(c, expr, s->v.While.test);
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2004 ADDOP_JABS(c, POP_JUMP_IF_FALSE, anchor);
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2005 }
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2006 VISIT_SEQ(c, stmt, s->v.While.body);
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diff changeset
2007 ADDOP_JABS(c, JUMP_ABSOLUTE, loop);
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2008
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2009 /* XXX should the two POP instructions be in a separate block
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2010 if there is no else clause ?
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2011 */
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2012
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2013 if (constant == -1) {
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2014 compiler_use_next_block(c, anchor);
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diff changeset
2015 ADDOP(c, POP_BLOCK);
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2016 }
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2017 compiler_pop_fblock(c, LOOP, loop);
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2018 if (orelse != NULL) /* what if orelse is just pass? */
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2019 VISIT_SEQ(c, stmt, s->v.While.orelse);
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2020 compiler_use_next_block(c, end);
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2021
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2022 return 1;
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2023 }
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2024
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2025 static int
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2026 compiler_continue(struct compiler *c)
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2027 {
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2028 static const char LOOP_ERROR_MSG[] = "'continue' not properly in loop";
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2029 static const char IN_FINALLY_ERROR_MSG[] =
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2030 "'continue' not supported inside 'finally' clause";
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diff changeset
2031 int i;
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2032
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2033 if (!c->u->u_nfblocks)
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2034 return compiler_error(c, LOOP_ERROR_MSG);
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2035 i = c->u->u_nfblocks - 1;
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diff changeset
2036 switch (c->u->u_fblock[i].fb_type) {
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diff changeset
2037 case LOOP:
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2038 ADDOP_JABS(c, JUMP_ABSOLUTE, c->u->u_fblock[i].fb_block);
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2039 break;
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diff changeset
2040 case EXCEPT:
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diff changeset
2041 case FINALLY_TRY:
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2042 while (--i >= 0 && c->u->u_fblock[i].fb_type != LOOP) {
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diff changeset
2043 /* Prevent continue anywhere under a finally
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2044 even if hidden in a sub-try or except. */
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diff changeset
2045 if (c->u->u_fblock[i].fb_type == FINALLY_END)
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2046 return compiler_error(c, IN_FINALLY_ERROR_MSG);
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2047 }
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2048 if (i == -1)
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2049 return compiler_error(c, LOOP_ERROR_MSG);
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2050 ADDOP_JABS(c, CONTINUE_LOOP, c->u->u_fblock[i].fb_block);
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2051 break;
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2052 case FINALLY_END:
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2053 return compiler_error(c, IN_FINALLY_ERROR_MSG);
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2054 }
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2055
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2056 return 1;
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2057 }
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2058
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2059 /* Code generated for "try: <body> finally: <finalbody>" is as follows:
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2060
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2061 SETUP_FINALLY L
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diff changeset
2062 <code for body>
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2063 POP_BLOCK
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2064 LOAD_CONST <None>
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2065 L: <code for finalbody>
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2066 END_FINALLY
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2067
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2068 The special instructions use the block stack. Each block
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diff changeset
2069 stack entry contains the instruction that created it (here
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2070 SETUP_FINALLY), the level of the value stack at the time the
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2071 block stack entry was created, and a label (here L).
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2072
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2073 SETUP_FINALLY:
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2074 Pushes the current value stack level and the label
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2075 onto the block stack.
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2076 POP_BLOCK:
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2077 Pops en entry from the block stack, and pops the value
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2078 stack until its level is the same as indicated on the
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2079 block stack. (The label is ignored.)
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2080 END_FINALLY:
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2081 Pops a variable number of entries from the *value* stack
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2082 and re-raises the exception they specify. The number of
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2083 entries popped depends on the (pseudo) exception type.
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2084
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2085 The block stack is unwound when an exception is raised:
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2086 when a SETUP_FINALLY entry is found, the exception is pushed
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2087 onto the value stack (and the exception condition is cleared),
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2088 and the interpreter jumps to the label gotten from the block
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2089 stack.
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2090 */
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2091
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2092 static int
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2093 compiler_try_finally(struct compiler *c, stmt_ty s)
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2094 {
61467
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diff changeset
2095 basicblock *body, *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
2096 body = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2097 end = compiler_new_block(c);
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parents: 57502
diff changeset
2098 if (body == NULL || end == NULL)
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parents: 57502
diff changeset
2099 return 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2100
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parents: 57502
diff changeset
2101 ADDOP_JREL(c, SETUP_FINALLY, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2102 compiler_use_next_block(c, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
2103 if (!compiler_push_fblock(c, FINALLY_TRY, body))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2104 return 0;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2105 if (s->v.Try.handlers && asdl_seq_LEN(s->v.Try.handlers)) {
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2106 if (!compiler_try_except(c, s))
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2107 return 0;
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2108 }
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2109 else {
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2110 VISIT_SEQ(c, stmt, s->v.Try.body);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2111 }
61467
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parents: 57502
diff changeset
2112 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2113 compiler_pop_fblock(c, FINALLY_TRY, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2114
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parents: 57502
diff changeset
2115 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2116 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
2117 if (!compiler_push_fblock(c, FINALLY_END, end))
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2118 return 0;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2119 VISIT_SEQ(c, stmt, s->v.Try.finalbody);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2120 ADDOP(c, END_FINALLY);
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parents: 57502
diff changeset
2121 compiler_pop_fblock(c, FINALLY_END, end);
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diff changeset
2122
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diff changeset
2123 return 1;
35742
1c4d192f1568 Merge ast-branch to head
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parents: 35310
diff changeset
2124 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2125
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2126 /*
51853
643d8d4fc8eb http://bugs.python.org/issue4715
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51382
diff changeset
2127 Code generated for "try: S except E1 as V1: S1 except E2 as V2: S2 ...":
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2128 (The contents of the value stack is shown in [], with the top
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2129 at the right; 'tb' is trace-back info, 'val' the exception's
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2130 associated value, and 'exc' the exception.)
61467
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parents: 57502
diff changeset
2131
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2132 Value stack Label Instruction Argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2133 [] SETUP_EXCEPT L1
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2134 [] <code for S>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2135 [] POP_BLOCK
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2136 [] JUMP_FORWARD L0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2137
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parents: 57502
diff changeset
2138 [tb, val, exc] L1: DUP )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
2139 [tb, val, exc, exc] <evaluate E1> )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2140 [tb, val, exc, exc, E1] COMPARE_OP EXC_MATCH ) only if E1
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2141 [tb, val, exc, 1-or-0] POP_JUMP_IF_FALSE L2 )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2142 [tb, val, exc] POP
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2143 [tb, val] <assign to V1> (or POP if no V1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2144 [tb] POP
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2145 [] <code for S1>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2146 JUMP_FORWARD L0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2147
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2148 [tb, val, exc] L2: DUP
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2149 .............................etc.......................
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2150
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2151 [tb, val, exc] Ln+1: END_FINALLY # re-raise exception
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
2152
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
2153 [] L0: <next statement>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2154
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2155 Of course, parts are not generated if Vi or Ei is not present.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2156 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2157 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2158 compiler_try_except(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2159 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2160 basicblock *body, *orelse, *except, *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2161 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2162
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2163 body = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2164 except = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2165 orelse = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2166 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2167 if (body == NULL || except == NULL || orelse == NULL || end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2168 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2169 ADDOP_JREL(c, SETUP_EXCEPT, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2170 compiler_use_next_block(c, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2171 if (!compiler_push_fblock(c, EXCEPT, body))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2172 return 0;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2173 VISIT_SEQ(c, stmt, s->v.Try.body);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2174 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2175 compiler_pop_fblock(c, EXCEPT, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2176 ADDOP_JREL(c, JUMP_FORWARD, orelse);
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2177 n = asdl_seq_LEN(s->v.Try.handlers);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2178 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2179 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2180 excepthandler_ty handler = (excepthandler_ty)asdl_seq_GET(
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2181 s->v.Try.handlers, i);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2182 if (!handler->v.ExceptHandler.type && i < n-1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2183 return compiler_error(c, "default 'except:' must be last");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2184 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2185 c->u->u_lineno = handler->lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
2186 c->u->u_col_offset = handler->col_offset;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2187 except = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2188 if (except == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2189 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2190 if (handler->v.ExceptHandler.type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2191 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2192 VISIT(c, expr, handler->v.ExceptHandler.type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2193 ADDOP_I(c, COMPARE_OP, PyCmp_EXC_MATCH);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2194 ADDOP_JABS(c, POP_JUMP_IF_FALSE, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2195 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2196 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2197 if (handler->v.ExceptHandler.name) {
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2198 basicblock *cleanup_end, *cleanup_body;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2199
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2200 cleanup_end = compiler_new_block(c);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2201 cleanup_body = compiler_new_block(c);
70443
95117a2da450 fix spacing
Benjamin Peterson <benjamin@python.org>
parents: 70440
diff changeset
2202 if (!(cleanup_end || cleanup_body))
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2203 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2204
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2205 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2206 ADDOP(c, POP_TOP);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2207
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2208 /*
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2209 try:
83451
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2210 # body
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2211 except type as name:
83451
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2212 try:
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2213 # body
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2214 finally:
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2215 name = None
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2216 del name
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2217 */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2218
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2219 /* second try: */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2220 ADDOP_JREL(c, SETUP_FINALLY, cleanup_end);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2221 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2222 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2223 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2224
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2225 /* second # body */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2226 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2227 ADDOP(c, POP_BLOCK);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2228 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2229 compiler_pop_fblock(c, FINALLY_TRY, cleanup_body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2230
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2231 /* finally: */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2232 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2233 compiler_use_next_block(c, cleanup_end);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2234 if (!compiler_push_fblock(c, FINALLY_END, cleanup_end))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2235 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2236
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2237 /* name = None */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2238 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2239 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2240
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2241 /* del name */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2242 compiler_nameop(c, handler->v.ExceptHandler.name, Del);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2243
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2244 ADDOP(c, END_FINALLY);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2245 compiler_pop_fblock(c, FINALLY_END, cleanup_end);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2246 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2247 else {
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2248 basicblock *cleanup_body;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2249
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2250 cleanup_body = compiler_new_block(c);
70443
95117a2da450 fix spacing
Benjamin Peterson <benjamin@python.org>
parents: 70440
diff changeset
2251 if (!cleanup_body)
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2252 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2253
40587
6b18a095c2e7 SF patch 1631942 by Collin Winter:
Guido van Rossum <guido@python.org>
parents: 40529
diff changeset
2254 ADDOP(c, POP_TOP);
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2255 ADDOP(c, POP_TOP);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2256 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2257 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2258 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2259 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2260 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2261 compiler_pop_fblock(c, FINALLY_TRY, cleanup_body);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2262 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2263 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2264 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2265 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2266 ADDOP(c, END_FINALLY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2267 compiler_use_next_block(c, orelse);
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2268 VISIT_SEQ(c, stmt, s->v.Try.orelse);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2269 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2270 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2271 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2272
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2273 static int
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2274 compiler_try(struct compiler *c, stmt_ty s) {
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2275 if (s->v.Try.finalbody && asdl_seq_LEN(s->v.Try.finalbody))
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2276 return compiler_try_finally(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2277 else
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2278 return compiler_try_except(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2279 }
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2280
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2281
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2282 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2283 compiler_import_as(struct compiler *c, identifier name, identifier asname)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2284 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2285 /* The IMPORT_NAME opcode was already generated. This function
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2286 merely needs to bind the result to a name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2287
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2288 If there is a dot in name, we need to split it and emit a
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2289 LOAD_ATTR for each name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2290 */
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2291 Py_ssize_t dot = PyUnicode_FindChar(name, '.', 0,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2292 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2293 if (dot == -2)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2294 return -1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2295 if (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2296 /* Consume the base module name to get the first attribute */
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2297 Py_ssize_t pos = dot + 1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2298 while (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2299 PyObject *attr;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2300 dot = PyUnicode_FindChar(name, '.', pos,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2301 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2302 if (dot == -2)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2303 return -1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2304 attr = PyUnicode_Substring(name, pos,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2305 (dot != -1) ? dot :
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2306 PyUnicode_GET_LENGTH(name));
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2307 if (!attr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2308 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2309 ADDOP_O(c, LOAD_ATTR, attr, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2310 Py_DECREF(attr);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2311 pos = dot + 1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2312 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2313 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2314 return compiler_nameop(c, asname, Store);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2315 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2316
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2317 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2318 compiler_import(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2319 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2320 /* The Import node stores a module name like a.b.c as a single
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2321 string. This is convenient for all cases except
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2322 import a.b.c as d
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2323 where we need to parse that string to extract the individual
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2324 module names.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2325 XXX Perhaps change the representation to make this case simpler?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2326 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2327 int i, n = asdl_seq_LEN(s->v.Import.names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2328
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2329 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2330 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.Import.names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2331 int r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2332 PyObject *level;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2333
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2334 level = PyLong_FromLong(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2335 if (level == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2336 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2337
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2338 ADDOP_O(c, LOAD_CONST, level, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2339 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2340 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2341 ADDOP_NAME(c, IMPORT_NAME, alias->name, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2342
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2343 if (alias->asname) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2344 r = compiler_import_as(c, alias->name, alias->asname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2345 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2346 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2347 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2348 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2349 identifier tmp = alias->name;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2350 Py_ssize_t dot = PyUnicode_FindChar(
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2351 alias->name, '.', 0, PyUnicode_GET_LENGTH(alias->name), 1);
84563
aaa6e8b8a5c9 Issue #18408: Fix compiler_import() to handle PyUnicode_Substring() failure properly
Victor Stinner <victor.stinner@gmail.com>
parents: 83792
diff changeset
2352 if (dot != -1) {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2353 tmp = PyUnicode_Substring(alias->name, 0, dot);
84563
aaa6e8b8a5c9 Issue #18408: Fix compiler_import() to handle PyUnicode_Substring() failure properly
Victor Stinner <victor.stinner@gmail.com>
parents: 83792
diff changeset
2354 if (tmp == NULL)
aaa6e8b8a5c9 Issue #18408: Fix compiler_import() to handle PyUnicode_Substring() failure properly
Victor Stinner <victor.stinner@gmail.com>
parents: 83792
diff changeset
2355 return 0;
aaa6e8b8a5c9 Issue #18408: Fix compiler_import() to handle PyUnicode_Substring() failure properly
Victor Stinner <victor.stinner@gmail.com>
parents: 83792
diff changeset
2356 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2357 r = compiler_nameop(c, tmp, Store);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2358 if (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2359 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2360 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2361 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2362 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2363 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2364 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2365 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2366 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2367
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2368 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2369 compiler_from_import(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2370 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2371 int i, n = asdl_seq_LEN(s->v.ImportFrom.names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2372
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2373 PyObject *names = PyTuple_New(n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2374 PyObject *level;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2375 static PyObject *empty_string;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2376
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2377 if (!empty_string) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2378 empty_string = PyUnicode_FromString("");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2379 if (!empty_string)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2380 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2381 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2382
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2383 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2384 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2385
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2386 level = PyLong_FromLong(s->v.ImportFrom.level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2387 if (!level) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2388 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2389 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2390 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2391
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2392 /* build up the names */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2393 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2394 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.ImportFrom.names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2395 Py_INCREF(alias->name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2396 PyTuple_SET_ITEM(names, i, alias->name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2397 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2398
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2399 if (s->lineno > c->c_future->ff_lineno && s->v.ImportFrom.module &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2400 !PyUnicode_CompareWithASCIIString(s->v.ImportFrom.module, "__future__")) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2401 Py_DECREF(level);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2402 Py_DECREF(names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2403 return compiler_error(c, "from __future__ imports must occur "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2404 "at the beginning of the file");
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2405 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2406
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2407 ADDOP_O(c, LOAD_CONST, level, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2408 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2409 ADDOP_O(c, LOAD_CONST, names, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2410 Py_DECREF(names);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2411 if (s->v.ImportFrom.module) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2412 ADDOP_NAME(c, IMPORT_NAME, s->v.ImportFrom.module, names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2413 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2414 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2415 ADDOP_NAME(c, IMPORT_NAME, empty_string, names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2416 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2417 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2418 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.ImportFrom.names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2419 identifier store_name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2420
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2421 if (i == 0 && PyUnicode_READ_CHAR(alias->name, 0) == '*') {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2422 assert(n == 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2423 ADDOP(c, IMPORT_STAR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2424 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2425 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2426
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2427 ADDOP_NAME(c, IMPORT_FROM, alias->name, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2428 store_name = alias->name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2429 if (alias->asname)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2430 store_name = alias->asname;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2431
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2432 if (!compiler_nameop(c, store_name, Store)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2433 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2434 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2435 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2436 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2437 /* remove imported module */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2438 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2439 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2440 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2441
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2442 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2443 compiler_assert(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2444 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2445 static PyObject *assertion_error = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2446 basicblock *end;
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2447 PyObject* msg;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2448
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
2449 if (c->c_optimize)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2450 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2451 if (assertion_error == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2452 assertion_error = PyUnicode_InternFromString("AssertionError");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2453 if (assertion_error == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2454 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2455 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2456 if (s->v.Assert.test->kind == Tuple_kind &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2457 asdl_seq_LEN(s->v.Assert.test->v.Tuple.elts) > 0) {
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2458 msg = PyUnicode_FromString("assertion is always true, "
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2459 "perhaps remove parentheses?");
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2460 if (msg == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2461 return 0;
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2462 if (PyErr_WarnExplicitObject(PyExc_SyntaxWarning, msg,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2463 c->c_filename, c->u->u_lineno,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2464 NULL, NULL) == -1) {
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2465 Py_DECREF(msg);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2466 return 0;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2467 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2468 Py_DECREF(msg);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2469 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2470 VISIT(c, expr, s->v.Assert.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2471 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2472 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2473 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2474 ADDOP_JABS(c, POP_JUMP_IF_TRUE, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2475 ADDOP_O(c, LOAD_GLOBAL, assertion_error, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2476 if (s->v.Assert.msg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2477 VISIT(c, expr, s->v.Assert.msg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2478 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2479 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2480 ADDOP_I(c, RAISE_VARARGS, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2481 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2482 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2483 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2484
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2485 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2486 compiler_visit_stmt(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2487 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2488 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2489
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2490 /* Always assign a lineno to the next instruction for a stmt. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2491 c->u->u_lineno = s->lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
2492 c->u->u_col_offset = s->col_offset;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2493 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2494
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2495 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2496 case FunctionDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2497 return compiler_function(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2498 case ClassDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2499 return compiler_class(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2500 case Return_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2501 if (c->u->u_ste->ste_type != FunctionBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2502 return compiler_error(c, "'return' outside function");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2503 if (s->v.Return.value) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2504 VISIT(c, expr, s->v.Return.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2505 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2506 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2507 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2508 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2509 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2510 case Delete_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2511 VISIT_SEQ(c, expr, s->v.Delete.targets)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2512 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2513 case Assign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2514 n = asdl_seq_LEN(s->v.Assign.targets);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2515 VISIT(c, expr, s->v.Assign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2516 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2517 if (i < n - 1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2518 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2519 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2520 (expr_ty)asdl_seq_GET(s->v.Assign.targets, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2521 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2522 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2523 case AugAssign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2524 return compiler_augassign(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2525 case For_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2526 return compiler_for(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2527 case While_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2528 return compiler_while(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2529 case If_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2530 return compiler_if(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2531 case Raise_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2532 n = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2533 if (s->v.Raise.exc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2534 VISIT(c, expr, s->v.Raise.exc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2535 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2536 if (s->v.Raise.cause) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2537 VISIT(c, expr, s->v.Raise.cause);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2538 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2539 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2540 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2541 ADDOP_I(c, RAISE_VARARGS, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2542 break;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2543 case Try_kind:
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2544 return compiler_try(c, s);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2545 case Assert_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2546 return compiler_assert(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2547 case Import_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2548 return compiler_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2549 case ImportFrom_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2550 return compiler_from_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2551 case Global_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2552 case Nonlocal_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2553 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2554 case Expr_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2555 if (c->c_interactive && c->c_nestlevel <= 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2556 VISIT(c, expr, s->v.Expr.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2557 ADDOP(c, PRINT_EXPR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2558 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2559 else if (s->v.Expr.value->kind != Str_kind &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2560 s->v.Expr.value->kind != Num_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2561 VISIT(c, expr, s->v.Expr.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2562 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2563 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2564 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2565 case Pass_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2566 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2567 case Break_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2568 if (!compiler_in_loop(c))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2569 return compiler_error(c, "'break' outside loop");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2570 ADDOP(c, BREAK_LOOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2571 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2572 case Continue_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2573 return compiler_continue(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2574 case With_kind:
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
2575 return compiler_with(c, s, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2576 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2577 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2578 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2579
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2580 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2581 unaryop(unaryop_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2582 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2583 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2584 case Invert:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2585 return UNARY_INVERT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2586 case Not:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2587 return UNARY_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2588 case UAdd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2589 return UNARY_POSITIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2590 case USub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2591 return UNARY_NEGATIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2592 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2593 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2594 "unary op %d should not be possible", op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2595 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2596 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2597 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2598
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2599 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2600 binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2601 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2602 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2603 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2604 return BINARY_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2605 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2606 return BINARY_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2607 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2608 return BINARY_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2609 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2610 return BINARY_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2611 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2612 return BINARY_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2613 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2614 return BINARY_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2615 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2616 return BINARY_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2617 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2618 return BINARY_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2619 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2620 return BINARY_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2621 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2622 return BINARY_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2623 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2624 return BINARY_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2625 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2626 return BINARY_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2627 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2628 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2629 "binary op %d should not be possible", op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2630 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2631 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2632 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2633
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2634 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2635 cmpop(cmpop_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2636 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2637 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2638 case Eq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2639 return PyCmp_EQ;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2640 case NotEq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2641 return PyCmp_NE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2642 case Lt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2643 return PyCmp_LT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2644 case LtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2645 return PyCmp_LE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2646 case Gt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2647 return PyCmp_GT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2648 case GtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2649 return PyCmp_GE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2650 case Is:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2651 return PyCmp_IS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2652 case IsNot:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2653 return PyCmp_IS_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2654 case In:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2655 return PyCmp_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2656 case NotIn:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2657 return PyCmp_NOT_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2658 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2659 return PyCmp_BAD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2660 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2661 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2662
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2663 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2664 inplace_binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2665 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2666 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2667 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2668 return INPLACE_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2669 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2670 return INPLACE_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2671 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2672 return INPLACE_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2673 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2674 return INPLACE_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2675 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2676 return INPLACE_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2677 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2678 return INPLACE_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2679 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2680 return INPLACE_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2681 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2682 return INPLACE_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2683 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2684 return INPLACE_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2685 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2686 return INPLACE_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2687 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2688 return INPLACE_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2689 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2690 return INPLACE_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2691 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2692 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2693 "inplace binary op %d should not be possible", op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2694 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2695 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2696 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2697
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2698 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2699 compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2700 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2701 int op, scope, arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2702 enum { OP_FAST, OP_GLOBAL, OP_DEREF, OP_NAME } optype;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2703
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2704 PyObject *dict = c->u->u_names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2705 PyObject *mangled;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2706 /* XXX AugStore isn't used anywhere! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2707
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2708 mangled = _Py_Mangle(c->u->u_private, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2709 if (!mangled)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2710 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2711
80739
0238cc842805 assert than we never try to deal with True, False, or None as a name
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
2712 assert(PyUnicode_CompareWithASCIIString(name, "None") &&
0238cc842805 assert than we never try to deal with True, False, or None as a name
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
2713 PyUnicode_CompareWithASCIIString(name, "True") &&
0238cc842805 assert than we never try to deal with True, False, or None as a name
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
2714 PyUnicode_CompareWithASCIIString(name, "False"));
0238cc842805 assert than we never try to deal with True, False, or None as a name
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
2715
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2716 op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2717 optype = OP_NAME;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2718 scope = PyST_GetScope(c->u->u_ste, mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2719 switch (scope) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2720 case FREE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2721 dict = c->u->u_freevars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2722 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2723 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2724 case CELL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2725 dict = c->u->u_cellvars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2726 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2727 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2728 case LOCAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2729 if (c->u->u_ste->ste_type == FunctionBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2730 optype = OP_FAST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2731 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2732 case GLOBAL_IMPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2733 if (c->u->u_ste->ste_type == FunctionBlock &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2734 !c->u->u_ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2735 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2736 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2737 case GLOBAL_EXPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2738 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2739 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2740 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2741 /* scope can be 0 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2742 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2743 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2744
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2745 /* XXX Leave assert here, but handle __doc__ and the like better */
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2746 assert(scope || PyUnicode_READ_CHAR(name, 0) == '_');
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2747
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2748 switch (optype) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2749 case OP_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2750 switch (ctx) {
83572
cf65c7a75f55 check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents: 83452
diff changeset
2751 case Load:
cf65c7a75f55 check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents: 83452
diff changeset
2752 op = (c->u->u_ste->ste_type == ClassBlock) ? LOAD_CLASSDEREF : LOAD_DEREF;
cf65c7a75f55 check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents: 83452
diff changeset
2753 break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2754 case Store: op = STORE_DEREF; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2755 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2756 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2757 break;
64620
25cc226dc9bd #4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 64439
diff changeset
2758 case Del: op = DELETE_DEREF; break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2759 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2760 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2761 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2762 "param invalid for deref variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2763 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2764 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2765 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2766 case OP_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2767 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2768 case Load: op = LOAD_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2769 case Store: op = STORE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2770 case Del: op = DELETE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2771 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2772 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2773 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2774 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2775 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2776 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2777 "param invalid for local variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2778 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2779 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2780 ADDOP_O(c, op, mangled, varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2781 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2782 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2783 case OP_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2784 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2785 case Load: op = LOAD_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2786 case Store: op = STORE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2787 case Del: op = DELETE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2788 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2789 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2790 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2791 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2792 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2793 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2794 "param invalid for global variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2795 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2796 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2797 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2798 case OP_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2799 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2800 case Load: op = LOAD_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2801 case Store: op = STORE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2802 case Del: op = DELETE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2803 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2804 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2805 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2806 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2807 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2808 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2809 "param invalid for name variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2810 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2811 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2812 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2813 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2814
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2815 assert(op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2816 arg = compiler_add_o(c, dict, mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2817 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2818 if (arg < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2819 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2820 return compiler_addop_i(c, op, arg);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2821 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2822
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2823 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2824 compiler_boolop(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2825 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2826 basicblock *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2827 int jumpi, i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2828 asdl_seq *s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2829
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2830 assert(e->kind == BoolOp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2831 if (e->v.BoolOp.op == And)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2832 jumpi = JUMP_IF_FALSE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2833 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2834 jumpi = JUMP_IF_TRUE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2835 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2836 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2837 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2838 s = e->v.BoolOp.values;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2839 n = asdl_seq_LEN(s) - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2840 assert(n >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2841 for (i = 0; i < n; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2842 VISIT(c, expr, (expr_ty)asdl_seq_GET(s, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2843 ADDOP_JABS(c, jumpi, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2844 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2845 VISIT(c, expr, (expr_ty)asdl_seq_GET(s, n));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2846 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2847 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2848 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2849
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2850 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2851 compiler_list(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2852 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2853 int n = asdl_seq_LEN(e->v.List.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2854 if (e->v.List.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2855 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2856 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2857 expr_ty elt = asdl_seq_GET(e->v.List.elts, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2858 if (elt->kind == Starred_kind && !seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2859 if ((i >= (1 << 8)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2860 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2861 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2862 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2863 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2864 ADDOP_I(c, UNPACK_EX, (i + ((n-i-1) << 8)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2865 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2866 asdl_seq_SET(e->v.List.elts, i, elt->v.Starred.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2867 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2868 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2869 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2870 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2871 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2872 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2873 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2874 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2875 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2876 VISIT_SEQ(c, expr, e->v.List.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2877 if (e->v.List.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2878 ADDOP_I(c, BUILD_LIST, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2879 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2880 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2881 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2882
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2883 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2884 compiler_tuple(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2885 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2886 int n = asdl_seq_LEN(e->v.Tuple.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2887 if (e->v.Tuple.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2888 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2889 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2890 expr_ty elt = asdl_seq_GET(e->v.Tuple.elts, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2891 if (elt->kind == Starred_kind && !seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2892 if ((i >= (1 << 8)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2893 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2894 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2895 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2896 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2897 ADDOP_I(c, UNPACK_EX, (i + ((n-i-1) << 8)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2898 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2899 asdl_seq_SET(e->v.Tuple.elts, i, elt->v.Starred.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2900 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2901 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2902 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2903 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2904 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2905 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2906 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2907 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2908 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2909 VISIT_SEQ(c, expr, e->v.Tuple.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2910 if (e->v.Tuple.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2911 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2912 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2913 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2914 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2915
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2916 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2917 compiler_compare(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2918 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2919 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2920 basicblock *cleanup = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2921
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2922 /* XXX the logic can be cleaned up for 1 or multiple comparisons */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2923 VISIT(c, expr, e->v.Compare.left);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2924 n = asdl_seq_LEN(e->v.Compare.ops);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2925 assert(n > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2926 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2927 cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2928 if (cleanup == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2929 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2930 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2931 (expr_ty)asdl_seq_GET(e->v.Compare.comparators, 0));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2932 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2933 for (i = 1; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2934 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2935 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2936 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2937 cmpop((cmpop_ty)(asdl_seq_GET(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2938 e->v.Compare.ops, i - 1))));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2939 ADDOP_JABS(c, JUMP_IF_FALSE_OR_POP, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2940 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2941 if (i < (n - 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2942 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2943 (expr_ty)asdl_seq_GET(e->v.Compare.comparators, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2944 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2945 VISIT(c, expr, (expr_ty)asdl_seq_GET(e->v.Compare.comparators, n - 1));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2946 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2947 cmpop((cmpop_ty)(asdl_seq_GET(e->v.Compare.ops, n - 1))));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2948 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2949 basicblock *end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2950 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2951 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2952 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2953 compiler_use_next_block(c, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2954 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2955 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2956 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2957 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2958 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2959 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2960
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2961 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2962 compiler_call(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2963 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2964 VISIT(c, expr, e->v.Call.func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2965 return compiler_call_helper(c, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2966 e->v.Call.args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2967 e->v.Call.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2968 e->v.Call.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2969 e->v.Call.kwargs);
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2970 }
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2971
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2972 /* shared code between compiler_call and compiler_class */
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2973 static int
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2974 compiler_call_helper(struct compiler *c,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2975 int n, /* Args already pushed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2976 asdl_seq *args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2977 asdl_seq *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2978 expr_ty starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2979 expr_ty kwargs)
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2980 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2981 int code = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2982
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2983 n += asdl_seq_LEN(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2984 VISIT_SEQ(c, expr, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2985 if (keywords) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2986 VISIT_SEQ(c, keyword, keywords);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2987 n |= asdl_seq_LEN(keywords) << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2988 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2989 if (starargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2990 VISIT(c, expr, starargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2991 code |= 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2992 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2993 if (kwargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2994 VISIT(c, expr, kwargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2995 code |= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2996 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2997 switch (code) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2998 case 0:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2999 ADDOP_I(c, CALL_FUNCTION, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3000 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3001 case 1:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3002 ADDOP_I(c, CALL_FUNCTION_VAR, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3003 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3004 case 2:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3005 ADDOP_I(c, CALL_FUNCTION_KW, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3006 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3007 case 3:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3008 ADDOP_I(c, CALL_FUNCTION_VAR_KW, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3009 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3010 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3011 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3012 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3013
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3014
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3015 /* List and set comprehensions and generator expressions work by creating a
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3016 nested function to perform the actual iteration. This means that the
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3017 iteration variables don't leak into the current scope.
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3018 The defined function is called immediately following its definition, with the
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3019 result of that call being the result of the expression.
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3020 The LC/SC version returns the populated container, while the GE version is
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3021 flagged in symtable.c as a generator, so it returns the generator object
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3022 when the function is called.
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3023 This code *knows* that the loop cannot contain break, continue, or return,
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3024 so it cheats and skips the SETUP_LOOP/POP_BLOCK steps used in normal loops.
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3025
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3026 Possible cleanups:
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3027 - iterate over the generator sequence instead of using recursion
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3028 */
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3029
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3030 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3031 compiler_comprehension_generator(struct compiler *c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3032 asdl_seq *generators, int gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3033 expr_ty elt, expr_ty val, int type)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3034 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3035 /* generate code for the iterator, then each of the ifs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3036 and then write to the element */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3037
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3038 comprehension_ty gen;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3039 basicblock *start, *anchor, *skip, *if_cleanup;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3040 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3041
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3042 start = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3043 skip = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3044 if_cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3045 anchor = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3046
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3047 if (start == NULL || skip == NULL || if_cleanup == NULL ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3048 anchor == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3049 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3050
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3051 gen = (comprehension_ty)asdl_seq_GET(generators, gen_index);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3052
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3053 if (gen_index == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3054 /* Receive outermost iter as an implicit argument */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3055 c->u->u_argcount = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3056 ADDOP_I(c, LOAD_FAST, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3057 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3058 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3059 /* Sub-iter - calculate on the fly */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3060 VISIT(c, expr, gen->iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3061 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3062 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3063 compiler_use_next_block(c, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3064 ADDOP_JREL(c, FOR_ITER, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3065 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3066 VISIT(c, expr, gen->target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3067
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3068 /* XXX this needs to be cleaned up...a lot! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3069 n = asdl_seq_LEN(gen->ifs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3070 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3071 expr_ty e = (expr_ty)asdl_seq_GET(gen->ifs, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3072 VISIT(c, expr, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3073 ADDOP_JABS(c, POP_JUMP_IF_FALSE, if_cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3074 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3075 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3076
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3077 if (++gen_index < asdl_seq_LEN(generators))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3078 if (!compiler_comprehension_generator(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3079 generators, gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3080 elt, val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3081 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3082
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3083 /* only append after the last for generator */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3084 if (gen_index >= asdl_seq_LEN(generators)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3085 /* comprehension specific code */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3086 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3087 case COMP_GENEXP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3088 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3089 ADDOP(c, YIELD_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3090 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3091 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3092 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3093 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3094 ADDOP_I(c, LIST_APPEND, gen_index + 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3095 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3096 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3097 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3098 ADDOP_I(c, SET_ADD, gen_index + 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3099 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3100 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3101 /* With 'd[k] = v', v is evaluated before k, so we do
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3102 the same. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3103 VISIT(c, expr, val);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3104 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3105 ADDOP_I(c, MAP_ADD, gen_index + 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3106 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3107 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3108 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3109 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3110
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3111 compiler_use_next_block(c, skip);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3112 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3113 compiler_use_next_block(c, if_cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3114 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3115 compiler_use_next_block(c, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3116
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3117 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3118 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3119
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3120 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3121 compiler_comprehension(struct compiler *c, expr_ty e, int type, identifier name,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3122 asdl_seq *generators, expr_ty elt, expr_ty val)
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3123 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3124 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3125 expr_ty outermost_iter;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3126 PyObject *qualname = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3127
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3128 outermost_iter = ((comprehension_ty)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3129 asdl_seq_GET(generators, 0))->iter;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3130
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3131 if (!compiler_enter_scope(c, name, COMPILER_SCOPE_COMPREHENSION,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3132 (void *)e, e->lineno))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3133 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3134
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3135 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3136 int op;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3137 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3138 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3139 op = BUILD_LIST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3140 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3141 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3142 op = BUILD_SET;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3143 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3144 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3145 op = BUILD_MAP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3146 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3147 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3148 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3149 "unknown comprehension type %d", type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3150 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3151 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3152
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3153 ADDOP_I(c, op, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3154 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3155
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3156 if (!compiler_comprehension_generator(c, generators, 0, elt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3157 val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3158 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3159
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3160 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3161 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3162 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3163
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3164 co = assemble(c, 1);
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
3165 qualname = c->u->u_qualname;
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
3166 Py_INCREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3167 compiler_exit_scope(c);
86521
bb2affc1e317 cleanup the construction of __qualname__ (closes #19301 again)
Benjamin Peterson <benjamin@python.org>
parents: 86509
diff changeset
3168 if (co == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3169 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3170
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3171 if (!compiler_make_closure(c, co, 0, qualname))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3172 goto error;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3173 Py_DECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3174 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3175
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3176 VISIT(c, expr, outermost_iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3177 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3178 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3179 return 1;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3180 error_in_scope:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3181 compiler_exit_scope(c);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3182 error:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3183 Py_XDECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3184 Py_XDECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3185 return 0;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3186 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3187
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3188 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3189 compiler_genexp(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3190 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3191 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3192 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3193 name = PyUnicode_FromString("<genexpr>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3194 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3195 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3196 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3197 assert(e->kind == GeneratorExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3198 return compiler_comprehension(c, e, COMP_GENEXP, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3199 e->v.GeneratorExp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3200 e->v.GeneratorExp.elt, NULL);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3201 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3202
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3203 static int
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3204 compiler_listcomp(struct compiler *c, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3205 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3206 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3207 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3208 name = PyUnicode_FromString("<listcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3209 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3210 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3211 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3212 assert(e->kind == ListComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3213 return compiler_comprehension(c, e, COMP_LISTCOMP, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3214 e->v.ListComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3215 e->v.ListComp.elt, NULL);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3216 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3217
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3218 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3219 compiler_setcomp(struct compiler *c, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3220 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3221 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3222 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3223 name = PyUnicode_FromString("<setcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3224 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3225 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3226 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3227 assert(e->kind == SetComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3228 return compiler_comprehension(c, e, COMP_SETCOMP, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3229 e->v.SetComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3230 e->v.SetComp.elt, NULL);
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3231 }
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3232
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3233
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3234 static int
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3235 compiler_dictcomp(struct compiler *c, expr_ty e)
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3236 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3237 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3238 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3239 name = PyUnicode_FromString("<dictcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3240 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3241 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3242 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3243 assert(e->kind == DictComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3244 return compiler_comprehension(c, e, COMP_DICTCOMP, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3245 e->v.DictComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3246 e->v.DictComp.key, e->v.DictComp.value);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3247 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3248
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3249
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3250 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3251 compiler_visit_keyword(struct compiler *c, keyword_ty k)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3252 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3253 ADDOP_O(c, LOAD_CONST, k->arg, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3254 VISIT(c, expr, k->value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3255 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3256 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3257
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3258 /* Test whether expression is constant. For constants, report
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3259 whether they are true or false.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3260
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3261 Return values: 1 for true, 0 for false, -1 for non-constant.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3262 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3263
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3264 static int
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
3265 expr_constant(struct compiler *c, expr_ty e)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3266 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3267 char *id;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3268 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3269 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3270 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3271 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3272 return PyObject_IsTrue(e->v.Num.n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3273 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3274 return PyObject_IsTrue(e->v.Str.s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3275 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3276 /* optimize away names that can't be reassigned */
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
3277 id = PyUnicode_AsUTF8(e->v.Name.id);
80738
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3278 if (id && strcmp(id, "__debug__") == 0)
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3279 return !c->c_optimize;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3280 return -1;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3281 case NameConstant_kind: {
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3282 PyObject *o = e->v.NameConstant.value;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3283 if (o == Py_None)
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3284 return 0;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3285 else if (o == Py_True)
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3286 return 1;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3287 else if (o == Py_False)
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3288 return 0;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3289 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3290 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3291 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3292 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3293 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3294
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3295 /*
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3296 Implements the with statement from PEP 343.
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3297
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3298 The semantics outlined in that PEP are as follows:
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3299
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3300 with EXPR as VAR:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3301 BLOCK
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3302
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3303 It is implemented roughly as:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3304
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
3305 context = EXPR
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3306 exit = context.__exit__ # not calling it
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3307 value = context.__enter__()
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3308 try:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3309 VAR = value # if VAR present in the syntax
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3310 BLOCK
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3311 finally:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3312 if an exception was raised:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3313 exc = copy of (exception, instance, traceback)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3314 else:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3315 exc = (None, None, None)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3316 exit(*exc)
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3317 */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3318 static int
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3319 compiler_with(struct compiler *c, stmt_ty s, int pos)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3320 {
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3321 basicblock *block, *finally;
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3322 withitem_ty item = asdl_seq_GET(s->v.With.items, pos);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3323
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3324 assert(s->kind == With_kind);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3325
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3326 block = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3327 finally = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3328 if (!block || !finally)
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62393
diff changeset
3329 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3330
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
3331 /* Evaluate EXPR */
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3332 VISIT(c, expr, item->context_expr);
54889
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3333 ADDOP_JREL(c, SETUP_WITH, finally);
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3334
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3335 /* SETUP_WITH pushes a finally block. */
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3336 compiler_use_next_block(c, block);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3337 if (!compiler_push_fblock(c, FINALLY_TRY, block)) {
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62393
diff changeset
3338 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3339 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3340
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3341 if (item->optional_vars) {
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3342 VISIT(c, expr, item->optional_vars);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3343 }
54889
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3344 else {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3345 /* Discard result from context.__enter__() */
62455
eb95af0a99cb Merged revisions 82169 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62389
diff changeset
3346 ADDOP(c, POP_TOP);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3347 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3348
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3349 pos++;
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3350 if (pos == asdl_seq_LEN(s->v.With.items))
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3351 /* BLOCK code */
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3352 VISIT_SEQ(c, stmt, s->v.With.body)
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3353 else if (!compiler_with(c, s, pos))
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3354 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3355
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3356 /* End of try block; start the finally block */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3357 ADDOP(c, POP_BLOCK);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3358 compiler_pop_fblock(c, FINALLY_TRY, block);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3359
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3360 ADDOP_O(c, LOAD_CONST, Py_None, consts);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3361 compiler_use_next_block(c, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3362 if (!compiler_push_fblock(c, FINALLY_END, finally))
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62393
diff changeset
3363 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3364
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45760
diff changeset
3365 /* Finally block starts; context.__exit__ is on the stack under
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45760
diff changeset
3366 the exception or return information. Just issue our magic
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45760
diff changeset
3367 opcode. */
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3368 ADDOP(c, WITH_CLEANUP);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3369
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3370 /* Finally block ends. */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3371 ADDOP(c, END_FINALLY);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3372 compiler_pop_fblock(c, FINALLY_END, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3373 return 1;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3374 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3375
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3376 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3377 compiler_visit_expr(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3378 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3379 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3380
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3381 /* If expr e has a different line number than the last expr/stmt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3382 set a new line number for the next instruction.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3383 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3384 if (e->lineno > c->u->u_lineno) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3385 c->u->u_lineno = e->lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3386 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3387 }
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
3388 /* Updating the column offset is always harmless. */
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
3389 c->u->u_col_offset = e->col_offset;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3390 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3391 case BoolOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3392 return compiler_boolop(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3393 case BinOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3394 VISIT(c, expr, e->v.BinOp.left);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3395 VISIT(c, expr, e->v.BinOp.right);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3396 ADDOP(c, binop(c, e->v.BinOp.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3397 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3398 case UnaryOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3399 VISIT(c, expr, e->v.UnaryOp.operand);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3400 ADDOP(c, unaryop(e->v.UnaryOp.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3401 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3402 case Lambda_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3403 return compiler_lambda(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3404 case IfExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3405 return compiler_ifexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3406 case Dict_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3407 n = asdl_seq_LEN(e->v.Dict.values);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3408 ADDOP_I(c, BUILD_MAP, (n>0xFFFF ? 0xFFFF : n));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3409 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3410 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3411 (expr_ty)asdl_seq_GET(e->v.Dict.values, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3412 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3413 (expr_ty)asdl_seq_GET(e->v.Dict.keys, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3414 ADDOP(c, STORE_MAP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3415 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3416 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3417 case Set_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3418 n = asdl_seq_LEN(e->v.Set.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3419 VISIT_SEQ(c, expr, e->v.Set.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3420 ADDOP_I(c, BUILD_SET, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3421 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3422 case GeneratorExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3423 return compiler_genexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3424 case ListComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3425 return compiler_listcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3426 case SetComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3427 return compiler_setcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3428 case DictComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3429 return compiler_dictcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3430 case Yield_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3431 if (c->u->u_ste->ste_type != FunctionBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3432 return compiler_error(c, "'yield' outside function");
80589
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3433 if (e->v.Yield.value) {
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3434 VISIT(c, expr, e->v.Yield.value);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3435 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3436 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3437 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3438 }
80589
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3439 ADDOP(c, YIELD_VALUE);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3440 break;
80589
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3441 case YieldFrom_kind:
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3442 if (c->u->u_ste->ste_type != FunctionBlock)
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3443 return compiler_error(c, "'yield' outside function");
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3444 VISIT(c, expr, e->v.YieldFrom.value);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3445 ADDOP(c, GET_ITER);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3446 ADDOP_O(c, LOAD_CONST, Py_None, consts);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3447 ADDOP(c, YIELD_FROM);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3448 break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3449 case Compare_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3450 return compiler_compare(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3451 case Call_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3452 return compiler_call(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3453 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3454 ADDOP_O(c, LOAD_CONST, e->v.Num.n, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3455 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3456 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3457 ADDOP_O(c, LOAD_CONST, e->v.Str.s, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3458 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3459 case Bytes_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3460 ADDOP_O(c, LOAD_CONST, e->v.Bytes.s, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3461 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3462 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3463 ADDOP_O(c, LOAD_CONST, Py_Ellipsis, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3464 break;
80738
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3465 case NameConstant_kind:
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3466 ADDOP_O(c, LOAD_CONST, e->v.NameConstant.value, consts);
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3467 break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3468 /* The following exprs can be assignment targets. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3469 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3470 if (e->v.Attribute.ctx != AugStore)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3471 VISIT(c, expr, e->v.Attribute.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3472 switch (e->v.Attribute.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3473 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3474 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3475 /* Fall through to load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3476 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3477 ADDOP_NAME(c, LOAD_ATTR, e->v.Attribute.attr, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3478 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3479 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3480 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3481 /* Fall through to save */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3482 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3483 ADDOP_NAME(c, STORE_ATTR, e->v.Attribute.attr, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3484 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3485 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3486 ADDOP_NAME(c, DELETE_ATTR, e->v.Attribute.attr, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3487 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3488 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3489 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3490 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3491 "param invalid in attribute expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3492 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3493 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3494 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3495 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3496 switch (e->v.Subscript.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3497 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3498 VISIT(c, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3499 VISIT_SLICE(c, e->v.Subscript.slice, AugLoad);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3500 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3501 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3502 VISIT(c, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3503 VISIT_SLICE(c, e->v.Subscript.slice, Load);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3504 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3505 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3506 VISIT_SLICE(c, e->v.Subscript.slice, AugStore);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3507 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3508 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3509 VISIT(c, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3510 VISIT_SLICE(c, e->v.Subscript.slice, Store);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3511 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3512 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3513 VISIT(c, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3514 VISIT_SLICE(c, e->v.Subscript.slice, Del);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3515 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3516 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3517 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3518 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3519 "param invalid in subscript expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3520 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3521 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3522 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3523 case Starred_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3524 switch (e->v.Starred.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3525 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3526 /* In all legitimate cases, the Starred node was already replaced
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3527 * by compiler_list/compiler_tuple. XXX: is that okay? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3528 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3529 "starred assignment target must be in a list or tuple");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3530 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3531 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3532 "can use starred expression only as assignment target");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3533 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3534 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3535 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3536 return compiler_nameop(c, e->v.Name.id, e->v.Name.ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3537 /* child nodes of List and Tuple will have expr_context set */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3538 case List_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3539 return compiler_list(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3540 case Tuple_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3541 return compiler_tuple(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3542 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3543 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3544 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3545
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3546 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3547 compiler_augassign(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3548 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3549 expr_ty e = s->v.AugAssign.target;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3550 expr_ty auge;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3551
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3552 assert(s->kind == AugAssign_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3553
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3554 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3555 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3556 auge = Attribute(e->v.Attribute.value, e->v.Attribute.attr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3557 AugLoad, e->lineno, e->col_offset, c->c_arena);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3558 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3559 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3560 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3561 VISIT(c, expr, s->v.AugAssign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3562 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3563 auge->v.Attribute.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3564 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3565 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3566 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3567 auge = Subscript(e->v.Subscript.value, e->v.Subscript.slice,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3568 AugLoad, e->lineno, e->col_offset, c->c_arena);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3569 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3570 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3571 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3572 VISIT(c, expr, s->v.AugAssign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3573 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3574 auge->v.Subscript.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3575 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3576 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3577 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3578 if (!compiler_nameop(c, e->v.Name.id, Load))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3579 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3580 VISIT(c, expr, s->v.AugAssign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3581 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3582 return compiler_nameop(c, e->v.Name.id, Store);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3583 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3584 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3585 "invalid node type (%d) for augmented assignment",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3586 e->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3587 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3588 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3589 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3590 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3591
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3592 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3593 compiler_push_fblock(struct compiler *c, enum fblocktype t, basicblock *b)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3594 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3595 struct fblockinfo *f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3596 if (c->u->u_nfblocks >= CO_MAXBLOCKS) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3597 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3598 "too many statically nested blocks");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3599 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3600 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3601 f = &c->u->u_fblock[c->u->u_nfblocks++];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3602 f->fb_type = t;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3603 f->fb_block = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3604 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3605 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3606
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3607 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3608 compiler_pop_fblock(struct compiler *c, enum fblocktype t, basicblock *b)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3609 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3610 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3611 assert(u->u_nfblocks > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3612 u->u_nfblocks--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3613 assert(u->u_fblock[u->u_nfblocks].fb_type == t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3614 assert(u->u_fblock[u->u_nfblocks].fb_block == b);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3615 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3616
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3617 static int
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3618 compiler_in_loop(struct compiler *c) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3619 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3620 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3621 for (i = 0; i < u->u_nfblocks; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3622 if (u->u_fblock[i].fb_type == LOOP)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3623 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3624 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3625 return 0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3626 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3627 /* Raises a SyntaxError and returns 0.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3628 If something goes wrong, a different exception may be raised.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3629 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3630
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3631 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3632 compiler_error(struct compiler *c, const char *errstr)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3633 {
70435
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70397
diff changeset
3634 PyObject *loc;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3635 PyObject *u = NULL, *v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3636
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
3637 loc = PyErr_ProgramTextObject(c->c_filename, c->u->u_lineno);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3638 if (!loc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3639 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3640 loc = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3641 }
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
3642 u = Py_BuildValue("(OiiO)", c->c_filename, c->u->u_lineno,
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
3643 c->u->u_col_offset, loc);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3644 if (!u)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3645 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3646 v = Py_BuildValue("(zO)", errstr, u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3647 if (!v)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3648 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3649 PyErr_SetObject(PyExc_SyntaxError, v);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3650 exit:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3651 Py_DECREF(loc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3652 Py_XDECREF(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3653 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3654 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3655 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3656
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3657 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3658 compiler_handle_subscr(struct compiler *c, const char *kind,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3659 expr_context_ty ctx)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3660 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3661 int op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3662
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3663 /* XXX this code is duplicated */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3664 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3665 case AugLoad: /* fall through to Load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3666 case Load: op = BINARY_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3667 case AugStore:/* fall through to Store */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3668 case Store: op = STORE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3669 case Del: op = DELETE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3670 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3671 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3672 "invalid %s kind %d in subscript\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3673 kind, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3674 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3675 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3676 if (ctx == AugLoad) {
64439
725231211273 Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
Antoine Pitrou <solipsis@pitrou.net>
parents: 63114
diff changeset
3677 ADDOP(c, DUP_TOP_TWO);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3678 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3679 else if (ctx == AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3680 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3681 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3682 ADDOP(c, op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3683 return 1;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3684 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3685
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3686 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3687 compiler_slice(struct compiler *c, slice_ty s, expr_context_ty ctx)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3688 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3689 int n = 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3690 assert(s->kind == Slice_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3691
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3692 /* only handles the cases where BUILD_SLICE is emitted */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3693 if (s->v.Slice.lower) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3694 VISIT(c, expr, s->v.Slice.lower);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3695 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3696 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3697 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3698 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3699
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3700 if (s->v.Slice.upper) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3701 VISIT(c, expr, s->v.Slice.upper);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3702 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3703 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3704 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3705 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3706
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3707 if (s->v.Slice.step) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3708 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3709 VISIT(c, expr, s->v.Slice.step);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3710 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3711 ADDOP_I(c, BUILD_SLICE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3712 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3713 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3714
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3715 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3716 compiler_visit_nested_slice(struct compiler *c, slice_ty s,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3717 expr_context_ty ctx)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3718 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3719 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3720 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3721 return compiler_slice(c, s, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3722 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3723 VISIT(c, expr, s->v.Index.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3724 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3725 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3726 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3727 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3728 "extended slice invalid in nested slice");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3729 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3730 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3731 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3732 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3733
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3734 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3735 compiler_visit_slice(struct compiler *c, slice_ty s, expr_context_ty ctx)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3736 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3737 char * kindname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3738 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3739 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3740 kindname = "index";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3741 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3742 VISIT(c, expr, s->v.Index.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3743 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3744 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3745 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3746 kindname = "slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3747 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3748 if (!compiler_slice(c, s, ctx))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3749 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3750 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3751 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3752 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3753 kindname = "extended slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3754 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3755 int i, n = asdl_seq_LEN(s->v.ExtSlice.dims);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3756 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3757 slice_ty sub = (slice_ty)asdl_seq_GET(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3758 s->v.ExtSlice.dims, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3759 if (!compiler_visit_nested_slice(c, sub, ctx))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3760 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3761 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3762 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3763 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3764 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3765 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3766 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3767 "invalid subscript kind %d", s->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3768 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3769 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3770 return compiler_handle_subscr(c, kindname, ctx);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3771 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3772
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3773 /* End of the compiler section, beginning of the assembler section */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3774
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3775 /* do depth-first search of basic block graph, starting with block.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3776 post records the block indices in post-order.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3777
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3778 XXX must handle implicit jumps from one block to next
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3779 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3780
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3781 struct assembler {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3782 PyObject *a_bytecode; /* string containing bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3783 int a_offset; /* offset into bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3784 int a_nblocks; /* number of reachable blocks */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3785 basicblock **a_postorder; /* list of blocks in dfs postorder */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3786 PyObject *a_lnotab; /* string containing lnotab */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3787 int a_lnotab_off; /* offset into lnotab */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3788 int a_lineno; /* last lineno of emitted instruction */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3789 int a_lineno_off; /* bytecode offset of last lineno */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3790 };
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3791
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3792 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3793 dfs(struct compiler *c, basicblock *b, struct assembler *a)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3794 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3795 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3796 struct instr *instr = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3797
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3798 if (b->b_seen)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3799 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3800 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3801 if (b->b_next != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3802 dfs(c, b->b_next, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3803 for (i = 0; i < b->b_iused; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3804 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3805 if (instr->i_jrel || instr->i_jabs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3806 dfs(c, instr->i_target, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3807 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3808 a->a_postorder[a->a_nblocks++] = b;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3809 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3810
35860
9b885c934144 make internal method static
Neal Norwitz <nnorwitz@gmail.com>
parents: 35797
diff changeset
3811 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3812 stackdepth_walk(struct compiler *c, basicblock *b, int depth, int maxdepth)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3813 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3814 int i, target_depth;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3815 struct instr *instr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3816 if (b->b_seen || b->b_startdepth >= depth)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3817 return maxdepth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3818 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3819 b->b_startdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3820 for (i = 0; i < b->b_iused; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3821 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3822 depth += opcode_stack_effect(instr->i_opcode, instr->i_oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3823 if (depth > maxdepth)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3824 maxdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3825 assert(depth >= 0); /* invalid code or bug in stackdepth() */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3826 if (instr->i_jrel || instr->i_jabs) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3827 target_depth = depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3828 if (instr->i_opcode == FOR_ITER) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3829 target_depth = depth-2;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3830 } else if (instr->i_opcode == SETUP_FINALLY ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3831 instr->i_opcode == SETUP_EXCEPT) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3832 target_depth = depth+3;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3833 if (target_depth > maxdepth)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3834 maxdepth = target_depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3835 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3836 maxdepth = stackdepth_walk(c, instr->i_target,
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3837 target_depth, maxdepth);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3838 if (instr->i_opcode == JUMP_ABSOLUTE ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3839 instr->i_opcode == JUMP_FORWARD) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3840 goto out; /* remaining code is dead */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3841 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3842 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3843 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3844 if (b->b_next)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3845 maxdepth = stackdepth_walk(c, b->b_next, depth, maxdepth);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3846 out:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3847 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3848 return maxdepth;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3849 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3850
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3851 /* Find the flow path that needs the largest stack. We assume that
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3852 * cycles in the flow graph have no net effect on the stack depth.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3853 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3854 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3855 stackdepth(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3856 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3857 basicblock *b, *entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3858 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3859 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3860 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3861 b->b_startdepth = INT_MIN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3862 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3863 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3864 if (!entryblock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3865 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3866 return stackdepth_walk(c, entryblock, 0, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3867 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3868
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3869 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3870 assemble_init(struct assembler *a, int nblocks, int firstlineno)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3871 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3872 memset(a, 0, sizeof(struct assembler));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3873 a->a_lineno = firstlineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3874 a->a_bytecode = PyBytes_FromStringAndSize(NULL, DEFAULT_CODE_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3875 if (!a->a_bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3876 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3877 a->a_lnotab = PyBytes_FromStringAndSize(NULL, DEFAULT_LNOTAB_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3878 if (!a->a_lnotab)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3879 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3880 if (nblocks > PY_SIZE_MAX / sizeof(basicblock *)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3881 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3882 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3883 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3884 a->a_postorder = (basicblock **)PyObject_Malloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3885 sizeof(basicblock *) * nblocks);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3886 if (!a->a_postorder) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3887 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3888 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3889 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3890 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3891 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3892
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3893 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3894 assemble_free(struct assembler *a)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3895 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3896 Py_XDECREF(a->a_bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3897 Py_XDECREF(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3898 if (a->a_postorder)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3899 PyObject_Free(a->a_postorder);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3900 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3901
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3902 /* Return the size of a basic block in bytes. */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3903
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3904 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3905 instrsize(struct instr *instr)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3906 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3907 if (!instr->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3908 return 1; /* 1 byte for the opcode*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3909 if (instr->i_oparg > 0xffff)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3910 return 6; /* 1 (opcode) + 1 (EXTENDED_ARG opcode) + 2 (oparg) + 2(oparg extended) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3911 return 3; /* 1 (opcode) + 2 (oparg) */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3912 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3913
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3914 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3915 blocksize(basicblock *b)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3916 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3917 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3918 int size = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3919
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3920 for (i = 0; i < b->b_iused; i++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3921 size += instrsize(&b->b_instr[i]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3922 return size;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3923 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3924
55372
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 54918
diff changeset
3925 /* Appends a pair to the end of the line number table, a_lnotab, representing
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 54918
diff changeset
3926 the instruction's bytecode offset and line number. See
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 54918
diff changeset
3927 Objects/lnotab_notes.txt for the description of the line number table. */
18065
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
3928
17518
f939ce52a734 Make some private symbols static.
Guido van Rossum <guido@python.org>
parents: 17355
diff changeset
3929 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3930 assemble_lnotab(struct assembler *a, struct instr *i)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3931 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3932 int d_bytecode, d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3933 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3934 unsigned char *lnotab;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3935
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3936 d_bytecode = a->a_offset - a->a_lineno_off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3937 d_lineno = i->i_lineno - a->a_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3938
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3939 assert(d_bytecode >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3940 assert(d_lineno >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3941
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3942 if(d_bytecode == 0 && d_lineno == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3943 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3944
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3945 if (d_bytecode > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3946 int j, nbytes, ncodes = d_bytecode / 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3947 nbytes = a->a_lnotab_off + 2 * ncodes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3948 len = PyBytes_GET_SIZE(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3949 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3950 if ((len <= INT_MAX / 2) && (len * 2 < nbytes))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3951 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3952 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3953 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3954 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3955 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3956 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3957 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3958 if (_PyBytes_Resize(&a->a_lnotab, len) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3959 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3960 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3961 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3962 PyBytes_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3963 for (j = 0; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3964 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3965 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3966 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3967 d_bytecode -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3968 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3969 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3970 assert(d_bytecode <= 255);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3971 if (d_lineno > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3972 int j, nbytes, ncodes = d_lineno / 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3973 nbytes = a->a_lnotab_off + 2 * ncodes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3974 len = PyBytes_GET_SIZE(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3975 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3976 if ((len <= INT_MAX / 2) && len * 2 < nbytes)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3977 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3978 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3979 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3980 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3981 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3982 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3983 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3984 if (_PyBytes_Resize(&a->a_lnotab, len) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3985 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3986 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3987 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3988 PyBytes_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3989 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3990 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3991 d_bytecode = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3992 for (j = 1; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3993 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3994 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3995 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3996 d_lineno -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3997 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3998 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3999
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4000 len = PyBytes_GET_SIZE(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4001 if (a->a_lnotab_off + 2 >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4002 if (_PyBytes_Resize(&a->a_lnotab, len * 2) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4003 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4004 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4005 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4006 PyBytes_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4007
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4008 a->a_lnotab_off += 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4009 if (d_bytecode) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4010 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4011 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4012 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4013 else { /* First line of a block; def stmt, etc. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4014 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4015 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4016 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4017 a->a_lineno = i->i_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4018 a->a_lineno_off = a->a_offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4019 return 1;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4020 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4021
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4022 /* assemble_emit()
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4023 Extend the bytecode with a new instruction.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4024 Update lnotab if necessary.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4025 */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4026
24855
bed5d5e536bc Add warnings for assignment or deletion of variables and attributes
Guido van Rossum <guido@python.org>
parents: 24854
diff changeset
4027 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4028 assemble_emit(struct assembler *a, struct instr *i)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4029 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4030 int size, arg = 0, ext = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4031 Py_ssize_t len = PyBytes_GET_SIZE(a->a_bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4032 char *code;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4033
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4034 size = instrsize(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4035 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4036 arg = i->i_oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4037 ext = arg >> 16;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4038 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4039 if (i->i_lineno && !assemble_lnotab(a, i))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4040 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4041 if (a->a_offset + size >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4042 if (len > PY_SSIZE_T_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4043 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4044 if (_PyBytes_Resize(&a->a_bytecode, len * 2) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4045 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4046 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4047 code = PyBytes_AS_STRING(a->a_bytecode) + a->a_offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4048 a->a_offset += size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4049 if (size == 6) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4050 assert(i->i_hasarg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4051 *code++ = (char)EXTENDED_ARG;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4052 *code++ = ext & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4053 *code++ = ext >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4054 arg &= 0xffff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4055 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4056 *code++ = i->i_opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4057 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4058 assert(size == 3 || size == 6);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4059 *code++ = arg & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4060 *code++ = arg >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4061 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4062 return 1;
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
4063 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
4064
35789
19a37a9f4ef9 cleanup a bit and reuse instrsize (instruction size). working towards fixing problems with EXTENDED_ARG
Neal Norwitz <nnorwitz@gmail.com>
parents: 35781
diff changeset
4065 static void
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4066 assemble_jump_offsets(struct assembler *a, struct compiler *c)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4067 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4068 basicblock *b;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4069 int bsize, totsize, extended_arg_count = 0, last_extended_arg_count;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4070 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4071
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4072 /* Compute the size of each block and fixup jump args.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4073 Replace block pointer with position in bytecode. */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4074 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4075 totsize = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4076 for (i = a->a_nblocks - 1; i >= 0; i--) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4077 b = a->a_postorder[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4078 bsize = blocksize(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4079 b->b_offset = totsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4080 totsize += bsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4081 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4082 last_extended_arg_count = extended_arg_count;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4083 extended_arg_count = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4084 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4085 bsize = b->b_offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4086 for (i = 0; i < b->b_iused; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4087 struct instr *instr = &b->b_instr[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4088 /* Relative jumps are computed relative to
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4089 the instruction pointer after fetching
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4090 the jump instruction.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4091 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4092 bsize += instrsize(instr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4093 if (instr->i_jabs)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4094 instr->i_oparg = instr->i_target->b_offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4095 else if (instr->i_jrel) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4096 int delta = instr->i_target->b_offset - bsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4097 instr->i_oparg = delta;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4098 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4099 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4100 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4101 if (instr->i_oparg > 0xffff)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4102 extended_arg_count++;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4103 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4104 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4105
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4106 /* XXX: This is an awful hack that could hurt performance, but
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4107 on the bright side it should work until we come up
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4108 with a better solution.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4109
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4110 The issue is that in the first loop blocksize() is called
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4111 which calls instrsize() which requires i_oparg be set
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4112 appropriately. There is a bootstrap problem because
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4113 i_oparg is calculated in the second loop above.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4114
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4115 So we loop until we stop seeing new EXTENDED_ARGs.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4116 The only EXTENDED_ARGs that could be popping up are
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4117 ones in jump instructions. So this should converge
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4118 fairly quickly.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4119 */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4120 } while (last_extended_arg_count != extended_arg_count);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4121 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4122
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4123 static PyObject *
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4124 dict_keys_inorder(PyObject *dict, int offset)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4125 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4126 PyObject *tuple, *k, *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4127 Py_ssize_t i, pos = 0, size = PyDict_Size(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4128
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4129 tuple = PyTuple_New(size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4130 if (tuple == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4131 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4132 while (PyDict_Next(dict, &pos, &k, &v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4133 i = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4134 /* The keys of the dictionary are tuples. (see compiler_add_o)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4135 The object we want is always first, though. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4136 k = PyTuple_GET_ITEM(k, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4137 Py_INCREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4138 assert((i - offset) < size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4139 assert((i - offset) >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4140 PyTuple_SET_ITEM(tuple, i - offset, k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4141 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4142 return tuple;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4143 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4144
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4145 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4146 compute_code_flags(struct compiler *c)
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4147 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4148 PySTEntryObject *ste = c->u->u_ste;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4149 int flags = 0, n;
83791
6db3741e59be rather than passing locals to the class body, just execute the class body in the proper environment
Benjamin Peterson <benjamin@python.org>
parents: 83783
diff changeset
4150 if (ste->ste_type == FunctionBlock) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4151 flags |= CO_NEWLOCALS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4152 if (!ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4153 flags |= CO_OPTIMIZED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4154 if (ste->ste_nested)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4155 flags |= CO_NESTED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4156 if (ste->ste_generator)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4157 flags |= CO_GENERATOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4158 if (ste->ste_varargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4159 flags |= CO_VARARGS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4160 if (ste->ste_varkeywords)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4161 flags |= CO_VARKEYWORDS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4162 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4163
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4164 /* (Only) inherit compilerflags in PyCF_MASK */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4165 flags |= (c->c_flags->cf_flags & PyCF_MASK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4166
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4167 n = PyDict_Size(c->u->u_freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4168 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4169 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4170 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4171 n = PyDict_Size(c->u->u_cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4172 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4173 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4174 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4175 flags |= CO_NOFREE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4176 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4177 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4178
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4179 return flags;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4180 }
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4181
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4182 static PyCodeObject *
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4183 makecode(struct compiler *c, struct assembler *a)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4184 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4185 PyObject *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4186 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4187 PyObject *consts = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4188 PyObject *names = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4189 PyObject *varnames = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4190 PyObject *name = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4191 PyObject *freevars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4192 PyObject *cellvars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4193 PyObject *bytecode = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4194 int nlocals, flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4195
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4196 tmp = dict_keys_inorder(c->u->u_consts, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4197 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4198 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4199 consts = PySequence_List(tmp); /* optimize_code requires a list */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4200 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4201
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4202 names = dict_keys_inorder(c->u->u_names, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4203 varnames = dict_keys_inorder(c->u->u_varnames, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4204 if (!consts || !names || !varnames)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4205 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4206
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4207 cellvars = dict_keys_inorder(c->u->u_cellvars, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4208 if (!cellvars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4209 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4210 freevars = dict_keys_inorder(c->u->u_freevars, PyTuple_Size(cellvars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4211 if (!freevars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4212 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4213 nlocals = PyDict_Size(c->u->u_varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4214 flags = compute_code_flags(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4215 if (flags < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4216 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4217
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4218 bytecode = PyCode_Optimize(a->a_bytecode, consts, names, a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4219 if (!bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4220 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4221
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4222 tmp = PyList_AsTuple(consts); /* PyCode_New requires a tuple */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4223 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4224 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4225 Py_DECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4226 consts = tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4227
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4228 co = PyCode_New(c->u->u_argcount, c->u->u_kwonlyargcount,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4229 nlocals, stackdepth(c), flags,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4230 bytecode, consts, names, varnames,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4231 freevars, cellvars,
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
4232 c->c_filename, c->u->u_name,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4233 c->u->u_firstlineno,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4234 a->a_lnotab);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4235 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4236 Py_XDECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4237 Py_XDECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4238 Py_XDECREF(varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4239 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4240 Py_XDECREF(freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4241 Py_XDECREF(cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4242 Py_XDECREF(bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4243 return co;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4244 }
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4245
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4246
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4247 /* For debugging purposes only */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4248 #if 0
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4249 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4250 dump_instr(const struct instr *i)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4251 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4252 const char *jrel = i->i_jrel ? "jrel " : "";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4253 const char *jabs = i->i_jabs ? "jabs " : "";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4254 char arg[128];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4255
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4256 *arg = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4257 if (i->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4258 sprintf(arg, "arg: %d ", i->i_oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4259
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4260 fprintf(stderr, "line: %d, opcode: %d %s%s%s\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4261 i->i_lineno, i->i_opcode, arg, jabs, jrel);
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4262 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4263
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4264 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4265 dump_basicblock(const basicblock *b)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4266 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4267 const char *seen = b->b_seen ? "seen " : "";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4268 const char *b_return = b->b_return ? "return " : "";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4269 fprintf(stderr, "used: %d, depth: %d, offset: %d %s%s\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4270 b->b_iused, b->b_startdepth, b->b_offset, seen, b_return);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4271 if (b->b_instr) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4272 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4273 for (i = 0; i < b->b_iused; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4274 fprintf(stderr, " [%02d] ", i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4275 dump_instr(b->b_instr + i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4276 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4277 }
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4278 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4279 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4280
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4281 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4282 assemble(struct compiler *c, int addNone)
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4283 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4284 basicblock *b, *entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4285 struct assembler a;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4286 int i, j, nblocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4287 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4288
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4289 /* Make sure every block that falls off the end returns None.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4290 XXX NEXT_BLOCK() isn't quite right, because if the last
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4291 block ends with a jump or return b_next shouldn't set.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4292 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4293 if (!c->u->u_curblock->b_return) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4294 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4295 if (addNone)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4296 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4297 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4298 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4299
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4300 nblocks = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4301 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4302 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4303 nblocks++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4304 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4305 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4306
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4307 /* Set firstlineno if it wasn't explicitly set. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4308 if (!c->u->u_firstlineno) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4309 if (entryblock && entryblock->b_instr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4310 c->u->u_firstlineno = entryblock->b_instr->i_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4311 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4312 c->u->u_firstlineno = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4313 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4314 if (!assemble_init(&a, nblocks, c->u->u_firstlineno))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4315 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4316 dfs(c, entryblock, &a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4317
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4318 /* Can't modify the bytecode after computing jump offsets. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4319 assemble_jump_offsets(&a, c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4320
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4321 /* Emit code in reverse postorder from dfs. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4322 for (i = a.a_nblocks - 1; i >= 0; i--) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4323 b = a.a_postorder[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4324 for (j = 0; j < b->b_iused; j++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4325 if (!assemble_emit(&a, &b->b_instr[j]))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4326 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4327 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4328
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4329 if (_PyBytes_Resize(&a.a_lnotab, a.a_lnotab_off) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4330 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4331 if (_PyBytes_Resize(&a.a_bytecode, a.a_offset) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4332 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4333
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4334 co = makecode(c, &a);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4335 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4336 assemble_free(&a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4337 return co;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4338 }
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4339
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4340 #undef PyAST_Compile
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4341 PyAPI_FUNC(PyCodeObject *)
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4342 PyAST_Compile(mod_ty mod, const char *filename, PyCompilerFlags *flags,
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4343 PyArena *arena)
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4344 {
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4345 return PyAST_CompileEx(mod, filename, flags, -1, arena);
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4346 }
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4347
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
4348