annotate Python/compile.c @ 85419:0872257752c2

Issue #18783: Removed existing mentions of Python long type in docstrings, error messages and comments.
author Serhiy Storchaka <storchaka@gmail.com>
date Tue, 27 Aug 2013 20:17:03 +0300
parents df2fdd42b375 4d62a62ba44d
children 35b384ed594b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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_COMPREHENSION,
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98 };
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99
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100 /* The following items change on entry and exit of code blocks.
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101 They must be saved and restored when returning to a block.
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102 */
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103 struct compiler_unit {
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104 PySTEntryObject *u_ste;
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105
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106 PyObject *u_name;
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107 PyObject *u_qualname; /* dot-separated qualified name (lazy) */
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108 int u_scope_type;
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109
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110 /* The following fields are dicts that map objects to
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111 the index of them in co_XXX. The index is used as
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112 the argument for opcodes that refer to those collections.
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113 */
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114 PyObject *u_consts; /* all constants */
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115 PyObject *u_names; /* all names */
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116 PyObject *u_varnames; /* local variables */
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117 PyObject *u_cellvars; /* cell variables */
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118 PyObject *u_freevars; /* free variables */
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119
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120 PyObject *u_private; /* for private name mangling */
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121
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122 int u_argcount; /* number of arguments for block */
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123 int u_kwonlyargcount; /* number of keyword only arguments for block */
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124 /* Pointer to the most recently allocated block. By following b_list
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125 members, you can reach all early allocated blocks. */
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126 basicblock *u_blocks;
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127 basicblock *u_curblock; /* pointer to current block */
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128
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129 int u_nfblocks;
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130 struct fblockinfo u_fblock[CO_MAXBLOCKS];
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131
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132 int u_firstlineno; /* the first lineno of the block */
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133 int u_lineno; /* the lineno for the current stmt */
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134 int u_col_offset; /* the offset of the current stmt */
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135 int u_lineno_set; /* boolean to indicate whether instr
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136 has been generated with current lineno */
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137 };
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138
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139 /* This struct captures the global state of a compilation.
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140
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141 The u pointer points to the current compilation unit, while units
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142 for enclosing blocks are stored in c_stack. The u and c_stack are
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143 managed by compiler_enter_scope() and compiler_exit_scope().
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144
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145 Note that we don't track recursion levels during compilation - the
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146 task of detecting and rejecting excessive levels of nesting is
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147 handled by the symbol analysis pass.
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148
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149 */
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150
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151 struct compiler {
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152 PyObject *c_filename;
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153 struct symtable *c_st;
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154 PyFutureFeatures *c_future; /* pointer to module's __future__ */
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155 PyCompilerFlags *c_flags;
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156
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157 int c_optimize; /* optimization level */
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158 int c_interactive; /* true if in interactive mode */
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159 int c_nestlevel;
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160
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161 struct compiler_unit *u; /* compiler state for current block */
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162 PyObject *c_stack; /* Python list holding compiler_unit ptrs */
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163 PyArena *c_arena; /* pointer to memory allocation arena */
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164 };
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165
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166 static int compiler_enter_scope(struct compiler *, identifier, int, void *, int);
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167 static void compiler_free(struct compiler *);
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168 static basicblock *compiler_new_block(struct compiler *);
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169 static int compiler_next_instr(struct compiler *, basicblock *);
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170 static int compiler_addop(struct compiler *, int);
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171 static int compiler_addop_o(struct compiler *, int, PyObject *, PyObject *);
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172 static int compiler_addop_i(struct compiler *, int, int);
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173 static int compiler_addop_j(struct compiler *, int, basicblock *, int);
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174 static basicblock *compiler_use_new_block(struct compiler *);
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175 static int compiler_error(struct compiler *, const char *);
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176 static int compiler_nameop(struct compiler *, identifier, expr_context_ty);
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177
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178 static PyCodeObject *compiler_mod(struct compiler *, mod_ty);
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179 static int compiler_visit_stmt(struct compiler *, stmt_ty);
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180 static int compiler_visit_keyword(struct compiler *, keyword_ty);
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181 static int compiler_visit_expr(struct compiler *, expr_ty);
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182 static int compiler_augassign(struct compiler *, stmt_ty);
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183 static int compiler_visit_slice(struct compiler *, slice_ty,
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184 expr_context_ty);
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185
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186 static int compiler_push_fblock(struct compiler *, enum fblocktype,
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187 basicblock *);
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188 static void compiler_pop_fblock(struct compiler *, enum fblocktype,
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189 basicblock *);
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190 /* Returns true if there is a loop on the fblock stack. */
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191 static int compiler_in_loop(struct compiler *);
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192
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193 static int inplace_binop(struct compiler *, operator_ty);
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194 static int expr_constant(struct compiler *, expr_ty);
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195
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196 static int compiler_with(struct compiler *, stmt_ty, int);
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197 static int compiler_call_helper(struct compiler *c, int n,
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198 asdl_seq *args,
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199 asdl_seq *keywords,
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200 expr_ty starargs,
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201 expr_ty kwargs);
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202 static int compiler_try_except(struct compiler *, stmt_ty);
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203
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204 static PyCodeObject *assemble(struct compiler *, int addNone);
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205 static PyObject *__doc__;
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206
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207 #define COMPILER_CAPSULE_NAME_COMPILER_UNIT "compile.c compiler unit"
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208
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209 PyObject *
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210 _Py_Mangle(PyObject *privateobj, PyObject *ident)
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211 {
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212 /* Name mangling: __private becomes _classname__private.
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213 This is independent from how the name is used. */
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214 PyObject *result;
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215 size_t nlen, plen, ipriv;
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216 Py_UCS4 maxchar;
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217 if (privateobj == NULL || !PyUnicode_Check(privateobj) ||
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218 PyUnicode_READ_CHAR(ident, 0) != '_' ||
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219 PyUnicode_READ_CHAR(ident, 1) != '_') {
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220 Py_INCREF(ident);
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221 return ident;
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222 }
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223 nlen = PyUnicode_GET_LENGTH(ident);
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224 plen = PyUnicode_GET_LENGTH(privateobj);
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225 /* Don't mangle __id__ or names with dots.
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226
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227 The only time a name with a dot can occur is when
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228 we are compiling an import statement that has a
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229 package name.
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230
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231 TODO(jhylton): Decide whether we want to support
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232 mangling of the module name, e.g. __M.X.
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233 */
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234 if ((PyUnicode_READ_CHAR(ident, nlen-1) == '_' &&
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235 PyUnicode_READ_CHAR(ident, nlen-2) == '_') ||
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236 PyUnicode_FindChar(ident, '.', 0, nlen, 1) != -1) {
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237 Py_INCREF(ident);
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238 return ident; /* Don't mangle __whatever__ */
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239 }
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240 /* Strip leading underscores from class name */
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241 ipriv = 0;
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242 while (PyUnicode_READ_CHAR(privateobj, ipriv) == '_')
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243 ipriv++;
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244 if (ipriv == plen) {
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245 Py_INCREF(ident);
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246 return ident; /* Don't mangle if class is just underscores */
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247 }
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248 plen -= ipriv;
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249
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250 if (plen + nlen >= PY_SSIZE_T_MAX - 1) {
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251 PyErr_SetString(PyExc_OverflowError,
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252 "private identifier too large to be mangled");
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253 return NULL;
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254 }
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255
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256 maxchar = PyUnicode_MAX_CHAR_VALUE(ident);
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257 if (PyUnicode_MAX_CHAR_VALUE(privateobj) > maxchar)
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258 maxchar = PyUnicode_MAX_CHAR_VALUE(privateobj);
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
259
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diff changeset
260 result = PyUnicode_New(1 + nlen + plen, maxchar);
8beaa9a37387 Implement PEP 393.
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diff changeset
261 if (!result)
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262 return 0;
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diff changeset
263 /* ident = "_" + priv[ipriv:] + ident # i.e. 1+plen+nlen bytes */
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
264 PyUnicode_WRITE(PyUnicode_KIND(result), PyUnicode_DATA(result), 0, '_');
72493
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diff changeset
265 if (PyUnicode_CopyCharacters(result, 1, privateobj, ipriv, plen) < 0) {
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure
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266 Py_DECREF(result);
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267 return NULL;
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268 }
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269 if (PyUnicode_CopyCharacters(result, plen+1, ident, 0, nlen) < 0) {
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270 Py_DECREF(result);
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271 return NULL;
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272 }
76573
1439e2d1f490 Check newly created consistency using _PyUnicode_CheckConsistency(str, 1)
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parents: 76383
diff changeset
273 assert(_PyUnicode_CheckConsistency(result, 1));
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274 return result;
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275 }
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276
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277 static int
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278 compiler_init(struct compiler *c)
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279 {
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280 memset(c, 0, sizeof(struct compiler));
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281
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282 c->c_stack = PyList_New(0);
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283 if (!c->c_stack)
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284 return 0;
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285
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286 return 1;
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287 }
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288
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289 PyCodeObject *
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290 PyAST_CompileObject(mod_ty mod, PyObject *filename, PyCompilerFlags *flags,
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291 int optimize, PyArena *arena)
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292 {
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293 struct compiler c;
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294 PyCodeObject *co = NULL;
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295 PyCompilerFlags local_flags;
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296 int merged;
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297
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298 if (!__doc__) {
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299 __doc__ = PyUnicode_InternFromString("__doc__");
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300 if (!__doc__)
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301 return NULL;
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302 }
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303
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304 if (!compiler_init(&c))
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305 return NULL;
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306 Py_INCREF(filename);
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307 c.c_filename = filename;
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308 c.c_arena = arena;
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309 c.c_future = PyFuture_FromASTObject(mod, filename);
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310 if (c.c_future == NULL)
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311 goto finally;
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312 if (!flags) {
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313 local_flags.cf_flags = 0;
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314 flags = &local_flags;
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315 }
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316 merged = c.c_future->ff_features | flags->cf_flags;
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317 c.c_future->ff_features = merged;
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318 flags->cf_flags = merged;
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319 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>
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320 c.c_optimize = (optimize == -1) ? Py_OptimizeFlag : optimize;
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321 c.c_nestlevel = 0;
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322
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323 c.c_st = PySymtable_BuildObject(mod, filename, c.c_future);
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324 if (c.c_st == NULL) {
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325 if (!PyErr_Occurred())
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326 PyErr_SetString(PyExc_SystemError, "no symtable");
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327 goto finally;
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328 }
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329
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330 co = compiler_mod(&c, mod);
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331
36697
78de5f6b2f67 Clarify C-style exception handling with proper label name.
Thomas Wouters <thomas@python.org>
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diff changeset
332 finally:
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333 compiler_free(&c);
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334 assert(co || PyErr_Occurred());
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335 return co;
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336 }
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337
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338 PyCodeObject *
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339 PyAST_CompileEx(mod_ty mod, const char *filename_str, PyCompilerFlags *flags,
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340 int optimize, PyArena *arena)
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341 {
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342 PyObject *filename;
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343 PyCodeObject *co;
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344 filename = PyUnicode_DecodeFSDefault(filename_str);
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345 if (filename == NULL)
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346 return NULL;
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347 co = PyAST_CompileObject(mod, filename, flags, optimize, arena);
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348 Py_DECREF(filename);
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diff changeset
349 return co;
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350
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
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351 }
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352
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353 PyCodeObject *
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354 PyNode_Compile(struct _node *n, const char *filename)
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355 {
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356 PyCodeObject *co = NULL;
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357 mod_ty mod;
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358 PyArena *arena = PyArena_New();
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359 if (!arena)
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360 return NULL;
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361 mod = PyAST_FromNode(n, NULL, filename, arena);
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362 if (mod)
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363 co = PyAST_Compile(mod, filename, NULL, arena);
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364 PyArena_Free(arena);
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365 return co;
23868
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
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366 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
Guido van Rossum <guido@python.org>
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367
69
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368 static void
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369 compiler_free(struct compiler *c)
69
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370 {
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371 if (c->c_st)
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372 PySymtable_Free(c->c_st);
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373 if (c->c_future)
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374 PyObject_Free(c->c_future);
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375 Py_XDECREF(c->c_filename);
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376 Py_DECREF(c->c_stack);
69
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377 }
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378
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379 static PyObject *
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380 list2dict(PyObject *list)
1399
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Guido van Rossum <guido@python.org>
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381 {
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382 Py_ssize_t i, n;
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383 PyObject *v, *k;
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384 PyObject *dict = PyDict_New();
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385 if (!dict) return NULL;
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386
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387 n = PyList_Size(list);
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388 for (i = 0; i < n; i++) {
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389 v = PyLong_FromLong(i);
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390 if (!v) {
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391 Py_DECREF(dict);
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392 return NULL;
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393 }
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394 k = PyList_GET_ITEM(list, i);
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395 k = PyTuple_Pack(2, k, k->ob_type);
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396 if (k == NULL || PyDict_SetItem(dict, k, v) < 0) {
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397 Py_XDECREF(k);
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398 Py_DECREF(v);
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399 Py_DECREF(dict);
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400 return NULL;
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401 }
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402 Py_DECREF(k);
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403 Py_DECREF(v);
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404 }
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405 return dict;
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406 }
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407
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408 /* Return new dict containing names from src that match scope(s).
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409
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410 src is a symbol table dictionary. If the scope of a name matches
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411 either scope_type or flag is set, insert it into the new dict. The
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412 values are integers, starting at offset and increasing by one for
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413 each key.
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414 */
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415
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416 static PyObject *
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417 dictbytype(PyObject *src, int scope_type, int flag, int offset)
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418 {
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419 Py_ssize_t i = offset, scope, num_keys, key_i;
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420 PyObject *k, *v, *dest = PyDict_New();
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421 PyObject *sorted_keys;
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422
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423 assert(offset >= 0);
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424 if (dest == NULL)
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425 return NULL;
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426
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427 /* Sort the keys so that we have a deterministic order on the indexes
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428 saved in the returned dictionary. These indexes are used as indexes
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429 into the free and cell var storage. Therefore if they aren't
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430 deterministic, then the generated bytecode is not deterministic.
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431 */
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432 sorted_keys = PyDict_Keys(src);
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433 if (sorted_keys == NULL)
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434 return NULL;
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435 if (PyList_Sort(sorted_keys) != 0) {
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436 Py_DECREF(sorted_keys);
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437 return NULL;
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438 }
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439 num_keys = PyList_GET_SIZE(sorted_keys);
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440
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441 for (key_i = 0; key_i < num_keys; key_i++) {
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442 /* XXX this should probably be a macro in symtable.h */
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443 long vi;
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444 k = PyList_GET_ITEM(sorted_keys, key_i);
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445 v = PyDict_GetItem(src, k);
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446 assert(PyLong_Check(v));
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447 vi = PyLong_AS_LONG(v);
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448 scope = (vi >> SCOPE_OFFSET) & SCOPE_MASK;
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449
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450 if (scope == scope_type || vi & flag) {
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451 PyObject *tuple, *item = PyLong_FromLong(i);
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452 if (item == NULL) {
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453 Py_DECREF(sorted_keys);
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454 Py_DECREF(dest);
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455 return NULL;
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456 }
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457 i++;
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458 tuple = PyTuple_Pack(2, k, k->ob_type);
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459 if (!tuple || PyDict_SetItem(dest, tuple, item) < 0) {
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460 Py_DECREF(sorted_keys);
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461 Py_DECREF(item);
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462 Py_DECREF(dest);
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463 Py_XDECREF(tuple);
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464 return NULL;
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465 }
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466 Py_DECREF(item);
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467 Py_DECREF(tuple);
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468 }
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469 }
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470 Py_DECREF(sorted_keys);
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471 return dest;
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472 }
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473
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474 static void
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475 compiler_unit_check(struct compiler_unit *u)
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476 {
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477 basicblock *block;
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478 for (block = u->u_blocks; block != NULL; block = block->b_list) {
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479 assert((void *)block != (void *)0xcbcbcbcb);
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480 assert((void *)block != (void *)0xfbfbfbfb);
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481 assert((void *)block != (void *)0xdbdbdbdb);
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482 if (block->b_instr != NULL) {
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483 assert(block->b_ialloc > 0);
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484 assert(block->b_iused > 0);
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485 assert(block->b_ialloc >= block->b_iused);
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486 }
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487 else {
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488 assert (block->b_iused == 0);
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489 assert (block->b_ialloc == 0);
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490 }
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491 }
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492 }
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493
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494 static void
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495 compiler_unit_free(struct compiler_unit *u)
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496 {
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497 basicblock *b, *next;
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498
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499 compiler_unit_check(u);
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500 b = u->u_blocks;
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501 while (b != NULL) {
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502 if (b->b_instr)
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503 PyObject_Free((void *)b->b_instr);
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504 next = b->b_list;
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505 PyObject_Free((void *)b);
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506 b = next;
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507 }
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508 Py_CLEAR(u->u_ste);
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509 Py_CLEAR(u->u_name);
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510 Py_CLEAR(u->u_qualname);
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511 Py_CLEAR(u->u_consts);
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512 Py_CLEAR(u->u_names);
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513 Py_CLEAR(u->u_varnames);
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514 Py_CLEAR(u->u_freevars);
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515 Py_CLEAR(u->u_cellvars);
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516 Py_CLEAR(u->u_private);
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517 PyObject_Free(u);
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518 }
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519
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520 static int
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521 compiler_enter_scope(struct compiler *c, identifier name,
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522 int scope_type, void *key, int lineno)
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523 {
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524 struct compiler_unit *u;
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525
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526 u = (struct compiler_unit *)PyObject_Malloc(sizeof(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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527 struct compiler_unit));
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diff changeset
528 if (!u) {
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diff changeset
529 PyErr_NoMemory();
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530 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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531 }
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diff changeset
532 memset(u, 0, sizeof(struct compiler_unit));
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
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diff changeset
533 u->u_scope_type = scope_type;
61467
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diff changeset
534 u->u_argcount = 0;
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535 u->u_kwonlyargcount = 0;
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diff changeset
536 u->u_ste = PySymtable_Lookup(c->c_st, key);
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537 if (!u->u_ste) {
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538 compiler_unit_free(u);
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539 return 0;
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540 }
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541 Py_INCREF(name);
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542 u->u_name = name;
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diff changeset
543 u->u_varnames = list2dict(u->u_ste->ste_varnames);
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544 u->u_cellvars = dictbytype(u->u_ste->ste_symbols, CELL, 0, 0);
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545 if (!u->u_varnames || !u->u_cellvars) {
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546 compiler_unit_free(u);
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547 return 0;
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548 }
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
549 if (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
550 /* Cook up a implicit __class__ cell. */
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
551 _Py_IDENTIFIER(__class__);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
552 PyObject *tuple, *name, *zero;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
553 int res;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
554 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
555 assert(PyDict_Size(u->u_cellvars) == 0);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
556 name = _PyUnicode_FromId(&PyId___class__);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
557 if (!name) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
558 compiler_unit_free(u);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
559 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
560 }
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
561 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
562 if (!tuple) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
563 compiler_unit_free(u);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
564 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
565 }
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
566 zero = PyLong_FromLong(0);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
567 if (!zero) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
568 Py_DECREF(tuple);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
569 compiler_unit_free(u);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
570 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
571 }
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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diff changeset
572 res = PyDict_SetItem(u->u_cellvars, tuple, zero);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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diff changeset
573 Py_DECREF(tuple);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
574 Py_DECREF(zero);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
575 if (res < 0) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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diff changeset
576 compiler_unit_free(u);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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diff changeset
577 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
578 }
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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parents: 83572
diff changeset
579 }
61467
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580
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581 u->u_freevars = dictbytype(u->u_ste->ste_symbols, FREE, DEF_FREE_CLASS,
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diff changeset
582 PyDict_Size(u->u_cellvars));
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583 if (!u->u_freevars) {
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584 compiler_unit_free(u);
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585 return 0;
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586 }
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587
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588 u->u_blocks = NULL;
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589 u->u_nfblocks = 0;
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590 u->u_firstlineno = lineno;
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591 u->u_lineno = 0;
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592 u->u_col_offset = 0;
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593 u->u_lineno_set = 0;
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594 u->u_consts = PyDict_New();
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595 if (!u->u_consts) {
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596 compiler_unit_free(u);
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597 return 0;
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598 }
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599 u->u_names = PyDict_New();
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600 if (!u->u_names) {
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diff changeset
601 compiler_unit_free(u);
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602 return 0;
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603 }
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diff changeset
604
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605 u->u_private = NULL;
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606
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diff changeset
607 /* Push the old compiler_unit on the stack. */
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diff changeset
608 if (c->u) {
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diff changeset
609 PyObject *capsule = PyCapsule_New(c->u, COMPILER_CAPSULE_NAME_COMPILER_UNIT, NULL);
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diff changeset
610 if (!capsule || PyList_Append(c->c_stack, capsule) < 0) {
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parents: 57502
diff changeset
611 Py_XDECREF(capsule);
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diff changeset
612 compiler_unit_free(u);
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diff changeset
613 return 0;
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614 }
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615 Py_DECREF(capsule);
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diff changeset
616 u->u_private = c->u->u_private;
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617 Py_XINCREF(u->u_private);
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618 }
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619 c->u = u;
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620
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621 c->c_nestlevel++;
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622 if (compiler_use_new_block(c) == NULL)
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623 return 0;
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624
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625 return 1;
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626 }
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627
35797
3778083fe2c8 Ensure that compiler_exit_scope() is called as necessary to free memory
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35790
diff changeset
628 static void
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629 compiler_exit_scope(struct compiler *c)
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parents: 35310
diff changeset
630 {
61467
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diff changeset
631 int n;
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diff changeset
632 PyObject *capsule;
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diff changeset
633
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diff changeset
634 c->c_nestlevel--;
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diff changeset
635 compiler_unit_free(c->u);
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diff changeset
636 /* Restore c->u to the parent unit. */
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diff changeset
637 n = PyList_GET_SIZE(c->c_stack) - 1;
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diff changeset
638 if (n >= 0) {
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diff changeset
639 capsule = PyList_GET_ITEM(c->c_stack, n);
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diff changeset
640 c->u = (struct compiler_unit *)PyCapsule_GetPointer(capsule, COMPILER_CAPSULE_NAME_COMPILER_UNIT);
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diff changeset
641 assert(c->u);
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diff changeset
642 /* we are deleting from a list so this really shouldn't fail */
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diff changeset
643 if (PySequence_DelItem(c->c_stack, n) < 0)
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diff changeset
644 Py_FatalError("compiler_exit_scope()");
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diff changeset
645 compiler_unit_check(c->u);
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diff changeset
646 }
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diff changeset
647 else
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648 c->u = NULL;
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649
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parents: 35310
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650 }
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parents: 35310
diff changeset
651
73738
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Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
652 static PyObject *
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
653 compiler_scope_qualname(struct compiler *c)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
654 {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
655 Py_ssize_t stack_size, i;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
656 _Py_static_string(dot, ".");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
657 _Py_static_string(locals, "<locals>");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
658 struct compiler_unit *u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
659 PyObject *capsule, *name, *seq, *dot_str, *locals_str;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
660
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
661 u = c->u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
662 if (u->u_qualname != NULL) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
663 Py_INCREF(u->u_qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
664 return u->u_qualname;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
665 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
666
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
667 seq = PyList_New(0);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
668 if (seq == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
669 return NULL;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
670
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
671 stack_size = PyList_GET_SIZE(c->c_stack);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
672 for (i = 0; i < stack_size; i++) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
673 capsule = PyList_GET_ITEM(c->c_stack, i);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
674 u = (struct compiler_unit *)PyCapsule_GetPointer(capsule, COMPILER_CAPSULE_NAME_COMPILER_UNIT);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
675 assert(u);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
676 if (u->u_scope_type == COMPILER_SCOPE_MODULE)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
677 continue;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
678 if (PyList_Append(seq, u->u_name))
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
679 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
680 if (u->u_scope_type == COMPILER_SCOPE_FUNCTION) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
681 locals_str = _PyUnicode_FromId(&locals);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
682 if (locals_str == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
683 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
684 if (PyList_Append(seq, locals_str))
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
685 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
686 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
687 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
688 u = c->u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
689 if (PyList_Append(seq, u->u_name))
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
690 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
691 dot_str = _PyUnicode_FromId(&dot);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
692 if (dot_str == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
693 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
694 name = PyUnicode_Join(dot_str, seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
695 Py_DECREF(seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
696 u->u_qualname = name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
697 Py_XINCREF(name);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
698 return name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
699
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
700 _error:
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
701 Py_XDECREF(seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
702 return NULL;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
703 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
704
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
705 /* 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
706 Returns NULL on error.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
707 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
708
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
709 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
710 compiler_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
711 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
712 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
713 struct compiler_unit *u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
714
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
715 u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
716 b = (basicblock *)PyObject_Malloc(sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
717 if (b == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
718 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
719 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
720 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
721 memset((void *)b, 0, sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
722 /* 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
723 b->b_list = u->u_blocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
724 u->u_blocks = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
725 return b;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
726 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
727
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
728 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
729 compiler_use_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
730 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
731 basicblock *block = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
732 if (block == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
733 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
734 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
735 return block;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
736 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
737
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
738 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
739 compiler_next_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
740 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
741 basicblock *block = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
742 if (block == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
743 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
744 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
745 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
746 return block;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
747 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
748
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
749 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
750 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
751 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
752 assert(block != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
753 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
754 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
755 return block;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
756 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
757
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
758 /* 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
759 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
760 Returns -1 on failure.
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
761 */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
762
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
763 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
764 compiler_next_instr(struct compiler *c, basicblock *b)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
765 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
766 assert(b != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
767 if (b->b_instr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
768 b->b_instr = (struct instr *)PyObject_Malloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
769 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
770 if (b->b_instr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
771 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
772 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
773 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
774 b->b_ialloc = DEFAULT_BLOCK_SIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
775 memset((char *)b->b_instr, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
776 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
777 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
778 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
779 struct instr *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
780 size_t oldsize, newsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
781 oldsize = b->b_ialloc * sizeof(struct instr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
782 newsize = oldsize << 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
783
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
784 if (oldsize > (PY_SIZE_MAX >> 1)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
785 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
786 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
787 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
788
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
789 if (newsize == 0) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
790 PyErr_NoMemory();
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
791 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
792 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
793 b->b_ialloc <<= 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
794 tmp = (struct instr *)PyObject_Realloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
795 (void *)b->b_instr, newsize);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
796 if (tmp == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
797 PyErr_NoMemory();
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
798 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
799 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
800 b->b_instr = tmp;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
801 memset((char *)b->b_instr + oldsize, 0, newsize - oldsize);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
802 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
803 return b->b_iused++;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
804 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
805
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
806 /* Set the i_lineno member of the instruction at offset off if the
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
807 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
808 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
diff changeset
809
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
810 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
Christian Heimes <christian@cheimes.de>
parents: 45082
diff changeset
811 - when entering a new scope
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
812 - 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
Christian Heimes <christian@cheimes.de>
parents: 45082
diff changeset
813 - on each expression that start a new line
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
814 - before the "except" clause
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
815 - 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
816 */
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
817
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
818 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
819 compiler_set_lineno(struct compiler *c, int off)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
820 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
821 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
822 if (c->u->u_lineno_set)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
823 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
824 c->u->u_lineno_set = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
825 b = c->u->u_curblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
826 b->b_instr[off].i_lineno = c->u->u_lineno;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
827 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
828
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
829 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
830 opcode_stack_effect(int opcode, int oparg)
1c4d192f1568 Merge ast-branch to head
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parents: 35310
diff changeset
831 {
61467
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parents: 57502
diff changeset
832 switch (opcode) {
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parents: 57502
diff changeset
833 case POP_TOP:
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parents: 57502
diff changeset
834 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
835 case ROT_TWO:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
836 case ROT_THREE:
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parents: 57502
diff changeset
837 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
838 case DUP_TOP:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
839 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
840 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
841 return 2;
61467
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parents: 57502
diff changeset
842
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
843 case UNARY_POSITIVE:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
844 case UNARY_NEGATIVE:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
845 case UNARY_NOT:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
846 case UNARY_INVERT:
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parents: 57502
diff changeset
847 return 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
848
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parents: 57502
diff changeset
849 case SET_ADD:
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parents: 57502
diff changeset
850 case LIST_APPEND:
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parents: 57502
diff changeset
851 return -1;
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parents: 57502
diff changeset
852 case MAP_ADD:
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parents: 57502
diff changeset
853 return -2;
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parents: 57502
diff changeset
854
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
855 case BINARY_POWER:
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parents: 57502
diff changeset
856 case BINARY_MULTIPLY:
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parents: 57502
diff changeset
857 case BINARY_MODULO:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
858 case BINARY_ADD:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
859 case BINARY_SUBTRACT:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
860 case BINARY_SUBSCR:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
861 case BINARY_FLOOR_DIVIDE:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
862 case BINARY_TRUE_DIVIDE:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
863 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
864 case INPLACE_FLOOR_DIVIDE:
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parents: 57502
diff changeset
865 case INPLACE_TRUE_DIVIDE:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
866 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
867
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
868 case INPLACE_ADD:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
869 case INPLACE_SUBTRACT:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
870 case INPLACE_MULTIPLY:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
871 case INPLACE_MODULO:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
872 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
873 case STORE_SUBSCR:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
874 return -3;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
875 case STORE_MAP:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
876 return -2;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
877 case DELETE_SUBSCR:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
878 return -2;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
879
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
880 case BINARY_LSHIFT:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
881 case BINARY_RSHIFT:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
882 case BINARY_AND:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
883 case BINARY_XOR:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
884 case BINARY_OR:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
885 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
886 case INPLACE_POWER:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
887 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
888 case GET_ITER:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
889 return 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
890
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
891 case PRINT_EXPR:
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parents: 57502
diff changeset
892 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
893 case LOAD_BUILD_CLASS:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
894 return 1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
895 case INPLACE_LSHIFT:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
896 case INPLACE_RSHIFT:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
897 case INPLACE_AND:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
898 case INPLACE_XOR:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
899 case INPLACE_OR:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
900 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
901 case BREAK_LOOP:
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parents: 57502
diff changeset
902 return 0;
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
903 case SETUP_WITH:
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parents: 59673
diff changeset
904 return 7;
61467
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parents: 57502
diff changeset
905 case WITH_CLEANUP:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
906 return -1; /* XXX Sometimes more */
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parents: 57502
diff changeset
907 case RETURN_VALUE:
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parents: 57502
diff changeset
908 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
909 case IMPORT_STAR:
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parents: 57502
diff changeset
910 return -1;
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parents: 57502
diff changeset
911 case YIELD_VALUE:
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parents: 57502
diff changeset
912 return 0;
74356
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 73738
diff changeset
913 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
914 return -1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
915 case POP_BLOCK:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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 case POP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
918 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
919 case END_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
920 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
921
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
922 case STORE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
923 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
924 case DELETE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
925 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
926 case UNPACK_SEQUENCE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
927 return oparg-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
928 case UNPACK_EX:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
929 return (oparg&0xFF) + (oparg>>8);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
930 case FOR_ITER:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
931 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
932
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
933 case STORE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
934 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
935 case DELETE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
936 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
937 case STORE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
938 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
939 case DELETE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
940 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
941 case LOAD_CONST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
942 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
943 case LOAD_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
944 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
945 case BUILD_TUPLE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
946 case BUILD_LIST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
947 case BUILD_SET:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
948 return 1-oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
949 case BUILD_MAP:
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 LOAD_ATTR:
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 COMPARE_OP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
954 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
955 case IMPORT_NAME:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
956 return -1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
957 case IMPORT_FROM:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
958 return 1;
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 JUMP_FORWARD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
961 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
962 case JUMP_IF_FALSE_OR_POP: /* "" */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
963 case JUMP_ABSOLUTE:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
964 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
965
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
966 case POP_JUMP_IF_FALSE:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
967 case POP_JUMP_IF_TRUE:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
968 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
969
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
970 case LOAD_GLOBAL:
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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
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
973 case CONTINUE_LOOP:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
974 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
975 case SETUP_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
976 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
977 case SETUP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
978 case SETUP_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
979 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
980 + 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
981
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
982 case LOAD_FAST:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
983 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
984 case STORE_FAST:
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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 case DELETE_FAST:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
987 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
988
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
989 case RAISE_VARARGS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
990 return -oparg;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
991 #define NARGS(o) (((o) % 256) + 2*(((o) / 256) % 256))
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
992 case CALL_FUNCTION:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
993 return -NARGS(oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
994 case CALL_FUNCTION_VAR:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
995 case CALL_FUNCTION_KW:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
996 return -NARGS(oparg)-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
997 case CALL_FUNCTION_VAR_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
998 return -NARGS(oparg)-2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
999 case MAKE_FUNCTION:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1000 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
1001 case MAKE_CLOSURE:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1002 return -2 - NARGS(oparg) - ((oparg >> 16) & 0xffff);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1003 #undef NARGS
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1004 case BUILD_SLICE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1005 if (oparg == 3)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1006 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1007 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1008 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1009
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1010 case LOAD_CLOSURE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1011 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1012 case LOAD_DEREF:
83572
cf65c7a75f55 check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents: 83452
diff changeset
1013 case LOAD_CLASSDEREF:
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1014 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1015 case STORE_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1016 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
1017 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
1018 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1019 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1020 fprintf(stderr, "opcode = %d\n", opcode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1021 Py_FatalError("opcode_stack_effect()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1022
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1023 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1024 return 0; /* not reachable */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1025 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1026
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1027 /* Add an opcode with no argument.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1028 Returns 0 on failure, 1 on success.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1029 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1030
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1031 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1032 compiler_addop(struct compiler *c, int opcode)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1033 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1034 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1035 struct instr *i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1036 int off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1037 off = compiler_next_instr(c, c->u->u_curblock);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1038 if (off < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1039 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1040 b = c->u->u_curblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1041 i = &b->b_instr[off];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1042 i->i_opcode = opcode;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1043 i->i_hasarg = 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1044 if (opcode == RETURN_VALUE)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1045 b->b_return = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1046 compiler_set_lineno(c, off);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1047 return 1;
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1048 }
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1049
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diff changeset
1050 static int
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diff changeset
1051 compiler_add_o(struct compiler *c, PyObject *dict, PyObject *o)
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diff changeset
1052 {
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1053 PyObject *t, *v;
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diff changeset
1054 Py_ssize_t arg;
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diff changeset
1055 double d;
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diff changeset
1056
85418
4d62a62ba44d Issue #18783: Removed existing mentions of Python long type in docstrings,
Serhiy Storchaka <storchaka@gmail.com>
parents: 83451
diff changeset
1057 /* necessary to make sure types aren't coerced (e.g., float and complex) */
61467
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diff changeset
1058 /* _and_ to distinguish 0.0 from -0.0 e.g. on IEEE platforms */
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diff changeset
1059 if (PyFloat_Check(o)) {
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diff changeset
1060 d = PyFloat_AS_DOUBLE(o);
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diff changeset
1061 /* all we need is to make the tuple different in either the 0.0
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diff changeset
1062 * or -0.0 case from all others, just to avoid the "coercion".
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diff changeset
1063 */
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diff changeset
1064 if (d == 0.0 && copysign(1.0, d) < 0.0)
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diff changeset
1065 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
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1066 else
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diff changeset
1067 t = PyTuple_Pack(2, o, o->ob_type);
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1068 }
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1069 else if (PyComplex_Check(o)) {
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diff changeset
1070 Py_complex z;
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diff changeset
1071 int real_negzero, imag_negzero;
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diff changeset
1072 /* For the complex case we must make complex(x, 0.)
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diff changeset
1073 different from complex(x, -0.) and complex(0., y)
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diff changeset
1074 different from complex(-0., y), for any x and y.
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diff changeset
1075 All four complex zeros must be distinguished.*/
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diff changeset
1076 z = PyComplex_AsCComplex(o);
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diff changeset
1077 real_negzero = z.real == 0.0 && copysign(1.0, z.real) < 0.0;
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1078 imag_negzero = z.imag == 0.0 && copysign(1.0, z.imag) < 0.0;
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1079 if (real_negzero && imag_negzero) {
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1080 t = PyTuple_Pack(5, o, o->ob_type,
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diff changeset
1081 Py_None, Py_None, Py_None);
45082
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diff changeset
1082 }
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1083 else if (imag_negzero) {
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1084 t = PyTuple_Pack(4, o, o->ob_type, Py_None, Py_None);
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1085 }
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1086 else if (real_negzero) {
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1087 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
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1088 }
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1089 else {
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1090 t = PyTuple_Pack(2, o, o->ob_type);
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1091 }
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1092 }
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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 if (t == NULL)
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1097 return -1;
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1098
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1099 v = PyDict_GetItem(dict, t);
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1100 if (!v) {
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1101 if (PyErr_Occurred())
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1102 return -1;
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1103 arg = PyDict_Size(dict);
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1104 v = PyLong_FromLong(arg);
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1105 if (!v) {
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1106 Py_DECREF(t);
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1107 return -1;
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1108 }
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1109 if (PyDict_SetItem(dict, t, v) < 0) {
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1110 Py_DECREF(t);
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1111 Py_DECREF(v);
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1112 return -1;
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1113 }
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1114 Py_DECREF(v);
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1115 }
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1116 else
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1117 arg = PyLong_AsLong(v);
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1118 Py_DECREF(t);
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1119 return arg;
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1120 }
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1121
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1122 static int
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1123 compiler_addop_o(struct compiler *c, int opcode, PyObject *dict,
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1124 PyObject *o)
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1125 {
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1126 int arg = compiler_add_o(c, dict, o);
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1127 if (arg < 0)
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1128 return 0;
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1129 return compiler_addop_i(c, opcode, arg);
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1130 }
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1131
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1132 static int
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1133 compiler_addop_name(struct compiler *c, int opcode, PyObject *dict,
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1134 PyObject *o)
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1135 {
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1136 int arg;
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1137 PyObject *mangled = _Py_Mangle(c->u->u_private, o);
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1138 if (!mangled)
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1139 return 0;
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1140 arg = compiler_add_o(c, dict, mangled);
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1141 Py_DECREF(mangled);
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1142 if (arg < 0)
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1143 return 0;
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1144 return compiler_addop_i(c, opcode, arg);
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1145 }
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1146
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1147 /* Add an opcode with an integer argument.
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1148 Returns 0 on failure, 1 on success.
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1149 */
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1150
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1151 static int
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1152 compiler_addop_i(struct compiler *c, int opcode, int oparg)
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1153 {
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1154 struct instr *i;
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1155 int off;
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1156 off = compiler_next_instr(c, c->u->u_curblock);
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1157 if (off < 0)
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1158 return 0;
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1159 i = &c->u->u_curblock->b_instr[off];
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1160 i->i_opcode = opcode;
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1161 i->i_oparg = oparg;
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1162 i->i_hasarg = 1;
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1163 compiler_set_lineno(c, off);
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1164 return 1;
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1165 }
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1166
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1167 static int
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1168 compiler_addop_j(struct compiler *c, int opcode, basicblock *b, int absolute)
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1169 {
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1170 struct instr *i;
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1171 int off;
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1172
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1173 assert(b != NULL);
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1174 off = compiler_next_instr(c, c->u->u_curblock);
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1175 if (off < 0)
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1176 return 0;
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1177 i = &c->u->u_curblock->b_instr[off];
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diff changeset
1178 i->i_opcode = opcode;
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diff changeset
1179 i->i_target = b;
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diff changeset
1180 i->i_hasarg = 1;
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diff changeset
1181 if (absolute)
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diff changeset
1182 i->i_jabs = 1;
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diff changeset
1183 else
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diff changeset
1184 i->i_jrel = 1;
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diff changeset
1185 compiler_set_lineno(c, off);
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diff changeset
1186 return 1;
35742
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1187 }
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diff changeset
1188
61467
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diff changeset
1189 /* The distinction between NEW_BLOCK and NEXT_BLOCK is subtle. (I'd
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diff changeset
1190 like to find better names.) NEW_BLOCK() creates a new block and sets
35742
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1191 it as the current block. NEXT_BLOCK() also creates an implicit jump
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1192 from the current block to the new block.
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1193 */
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1194
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1195 /* 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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1196 created in the local function. Local objects should use the arena.
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1197 */
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1198
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1199
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1200 #define NEW_BLOCK(C) { \
61467
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1201 if (compiler_use_new_block((C)) == NULL) \
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1202 return 0; \
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1203 }
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1204
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1205 #define NEXT_BLOCK(C) { \
61467
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1206 if (compiler_next_block((C)) == NULL) \
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1207 return 0; \
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1208 }
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1209
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1210 #define ADDOP(C, OP) { \
61467
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1211 if (!compiler_addop((C), (OP))) \
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1212 return 0; \
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1213 }
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1214
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79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35860
diff changeset
1215 #define ADDOP_IN_SCOPE(C, OP) { \
61467
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diff changeset
1216 if (!compiler_addop((C), (OP))) { \
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diff changeset
1217 compiler_exit_scope(c); \
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1218 return 0; \
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1219 } \
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Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
1220 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
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diff changeset
1221
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1222 #define ADDOP_O(C, OP, O, TYPE) { \
61467
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diff changeset
1223 if (!compiler_addop_o((C), (OP), (C)->u->u_ ## TYPE, (O))) \
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diff changeset
1224 return 0; \
35742
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1225 }
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diff changeset
1226
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diff changeset
1227 #define ADDOP_NAME(C, OP, O, TYPE) { \
61467
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diff changeset
1228 if (!compiler_addop_name((C), (OP), (C)->u->u_ ## TYPE, (O))) \
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diff changeset
1229 return 0; \
35742
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diff changeset
1230 }
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1231
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1232 #define ADDOP_I(C, OP, O) { \
61467
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diff changeset
1233 if (!compiler_addop_i((C), (OP), (O))) \
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1234 return 0; \
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1235 }
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1236
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1237 #define ADDOP_JABS(C, OP, O) { \
61467
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diff changeset
1238 if (!compiler_addop_j((C), (OP), (O), 1)) \
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diff changeset
1239 return 0; \
35742
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1240 }
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1241
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1242 #define ADDOP_JREL(C, OP, O) { \
61467
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diff changeset
1243 if (!compiler_addop_j((C), (OP), (O), 0)) \
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diff changeset
1244 return 0; \
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1245 }
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1246
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diff changeset
1247 /* VISIT and VISIT_SEQ takes an ASDL type as their second argument. They use
1c4d192f1568 Merge ast-branch to head
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diff changeset
1248 the ASDL name to synthesize the name of the C type and the visit function.
1c4d192f1568 Merge ast-branch to head
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1249 */
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1250
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1251 #define VISIT(C, TYPE, V) {\
61467
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diff changeset
1252 if (!compiler_visit_ ## TYPE((C), (V))) \
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diff changeset
1253 return 0; \
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1254 }
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1255
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Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
1256 #define VISIT_IN_SCOPE(C, TYPE, V) {\
61467
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diff changeset
1257 if (!compiler_visit_ ## TYPE((C), (V))) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1258 compiler_exit_scope(c); \
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diff changeset
1259 return 0; \
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diff changeset
1260 } \
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Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
1261 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
1262
35742
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diff changeset
1263 #define VISIT_SLICE(C, V, CTX) {\
61467
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diff changeset
1264 if (!compiler_visit_slice((C), (V), (CTX))) \
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diff changeset
1265 return 0; \
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1266 }
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1267
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1268 #define VISIT_SEQ(C, TYPE, SEQ) { \
61467
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diff changeset
1269 int _i; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1270 asdl_seq *seq = (SEQ); /* avoid variable capture */ \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1271 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
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diff changeset
1272 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, _i); \
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diff changeset
1273 if (!compiler_visit_ ## TYPE((C), elt)) \
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diff changeset
1274 return 0; \
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1275 } \
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1276 }
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1277
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Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
1278 #define VISIT_SEQ_IN_SCOPE(C, TYPE, SEQ) { \
61467
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diff changeset
1279 int _i; \
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diff changeset
1280 asdl_seq *seq = (SEQ); /* avoid variable capture */ \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1281 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
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diff changeset
1282 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, _i); \
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diff changeset
1283 if (!compiler_visit_ ## TYPE((C), elt)) { \
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diff changeset
1284 compiler_exit_scope(c); \
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diff changeset
1285 return 0; \
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1286 } \
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1287 } \
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diff changeset
1288 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
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diff changeset
1289
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1290 static int
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1291 compiler_isdocstring(stmt_ty s)
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1292 {
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1293 if (s->kind != Expr_kind)
62456
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1294 return 0;
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1295 return s->v.Expr.value->kind == Str_kind;
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1296 }
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1297
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1298 /* Compile a sequence of statements, checking for a docstring. */
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1299
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1300 static int
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1301 compiler_body(struct compiler *c, asdl_seq *stmts)
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1302 {
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diff changeset
1303 int i = 0;
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diff changeset
1304 stmt_ty st;
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1305
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1306 if (!asdl_seq_LEN(stmts))
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1307 return 1;
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1308 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>
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diff changeset
1309 if (compiler_isdocstring(st) && c->c_optimize < 2) {
61467
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1310 /* don't generate docstrings if -OO */
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1311 i = 1;
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1312 VISIT(c, expr, st->v.Expr.value);
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1313 if (!compiler_nameop(c, __doc__, Store))
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1314 return 0;
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1315 }
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1316 for (; i < asdl_seq_LEN(stmts); i++)
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diff changeset
1317 VISIT(c, stmt, (stmt_ty)asdl_seq_GET(stmts, i));
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1318 return 1;
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1319 }
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1320
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1321 static PyCodeObject *
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1322 compiler_mod(struct compiler *c, mod_ty mod)
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1323 {
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1324 PyCodeObject *co;
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1325 int addNone = 1;
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1326 static PyObject *module;
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1327 if (!module) {
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1328 module = PyUnicode_InternFromString("<module>");
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1329 if (!module)
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1330 return NULL;
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1331 }
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1332 /* Use 0 for firstlineno initially, will fixup in assemble(). */
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1333 if (!compiler_enter_scope(c, module, COMPILER_SCOPE_MODULE, mod, 0))
61467
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1334 return NULL;
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1335 switch (mod->kind) {
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1336 case Module_kind:
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1337 if (!compiler_body(c, mod->v.Module.body)) {
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1338 compiler_exit_scope(c);
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1339 return 0;
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1340 }
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1341 break;
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1342 case Interactive_kind:
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1343 c->c_interactive = 1;
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1344 VISIT_SEQ_IN_SCOPE(c, stmt,
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1345 mod->v.Interactive.body);
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1346 break;
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1347 case Expression_kind:
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1348 VISIT_IN_SCOPE(c, expr, mod->v.Expression.body);
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1349 addNone = 0;
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1350 break;
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1351 case Suite_kind:
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1352 PyErr_SetString(PyExc_SystemError,
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diff changeset
1353 "suite should not be possible");
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1354 return 0;
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1355 default:
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1356 PyErr_Format(PyExc_SystemError,
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1357 "module kind %d should not be possible",
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1358 mod->kind);
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1359 return 0;
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1360 }
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1361 co = assemble(c, addNone);
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1362 compiler_exit_scope(c);
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1363 return co;
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1364 }
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1365
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1366 /* The test for LOCAL must come before the test for FREE in order to
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1367 handle classes where name is both local and free. The local var is
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1368 a method and the free var is a free var referenced within a method.
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1369 */
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1370
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1371 static int
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1372 get_ref_type(struct compiler *c, PyObject *name)
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1373 {
83792
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diff changeset
1374 int scope;
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
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1375 if (c->u->u_scope_type == COMPILER_SCOPE_CLASS &&
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1376 !PyUnicode_CompareWithASCIIString(name, "__class__"))
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1377 return CELL;
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1378 scope = PyST_GetScope(c->u->u_ste, name);
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1379 if (scope == 0) {
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1380 char buf[350];
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1381 PyOS_snprintf(buf, sizeof(buf),
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
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1382 "unknown scope for %.100s in %.100s(%s)\n"
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1383 "symbols: %s\nlocals: %s\nglobals: %s",
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1384 PyBytes_AS_STRING(name),
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1385 PyBytes_AS_STRING(c->u->u_name),
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1386 PyObject_REPR(c->u->u_ste->ste_id),
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1387 PyObject_REPR(c->u->u_ste->ste_symbols),
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1388 PyObject_REPR(c->u->u_varnames),
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1389 PyObject_REPR(c->u->u_names)
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1390 );
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1391 Py_FatalError(buf);
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1392 }
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1393
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1394 return scope;
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1395 }
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1396
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1397 static int
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1398 compiler_lookup_arg(PyObject *dict, PyObject *name)
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1399 {
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1400 PyObject *k, *v;
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1401 k = PyTuple_Pack(2, name, name->ob_type);
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1402 if (k == NULL)
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1403 return -1;
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1404 v = PyDict_GetItem(dict, k);
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1405 Py_DECREF(k);
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1406 if (v == NULL)
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1407 return -1;
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f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
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1408 return PyLong_AS_LONG(v);
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1409 }
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1410
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1411 static int
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1412 compiler_make_closure(struct compiler *c, PyCodeObject *co, int args, PyObject *qualname)
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1413 {
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1414 int i, free = PyCode_GetNumFree(co);
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1415 if (qualname == NULL)
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1416 qualname = co->co_name;
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1417
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1418 if (free == 0) {
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1419 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
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1420 ADDOP_O(c, LOAD_CONST, qualname, consts);
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1421 ADDOP_I(c, MAKE_FUNCTION, args);
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1422 return 1;
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1423 }
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1424 for (i = 0; i < free; ++i) {
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1425 /* Bypass com_addop_varname because it will generate
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1426 LOAD_DEREF but LOAD_CLOSURE is needed.
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1427 */
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1428 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
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1429 int arg, reftype;
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1430
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1431 /* Special case: If a class contains a method with a
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1432 free variable that has the same name as a method,
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1433 the name will be considered free *and* local in the
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1434 class. It should be handled by the closure, as
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1435 well as by the normal name loookup logic.
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1436 */
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1437 reftype = get_ref_type(c, name);
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1438 if (reftype == CELL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1439 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
1440 else /* (reftype == FREE) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1441 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
1442 if (arg == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1443 fprintf(stderr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1444 "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
1445 "freevars of %s: %s\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1446 PyObject_REPR(name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1447 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
1448 reftype, arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1449 _PyUnicode_AsString(co->co_name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1450 PyObject_REPR(co->co_freevars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1451 Py_FatalError("compiler_make_closure()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1452 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1453 ADDOP_I(c, LOAD_CLOSURE, arg);
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 ADDOP_I(c, BUILD_TUPLE, free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1456 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
1457 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
1458 ADDOP_I(c, MAKE_CLOSURE, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1459 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1460 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1461
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1462 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1463 compiler_decorators(struct compiler *c, asdl_seq* decos)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1464 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1465 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1466
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1467 if (!decos)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1468 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1469
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1470 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
1471 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
1472 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1473 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1474 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1475
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1476 static int
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1477 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
1478 asdl_seq *kw_defaults)
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1479 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1480 int i, default_count = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1481 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
1482 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
1483 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
1484 if (default_) {
76382
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607)
Benjamin Peterson <benjamin@python.org>
parents: 70444
diff changeset
1485 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
1486 if (!mangled)
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607)
Benjamin Peterson <benjamin@python.org>
parents: 70444
diff changeset
1487 return -1;
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607)
Benjamin Peterson <benjamin@python.org>
parents: 70444
diff changeset
1488 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
1489 Py_DECREF(mangled);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1490 if (!compiler_visit_expr(c, default_)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1491 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1492 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1493 default_count++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1494 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1495 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1496 return default_count;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1497 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1498
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1499 static int
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1500 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
1501 expr_ty annotation, PyObject *names)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1502 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1503 if (annotation) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1504 VISIT(c, expr, annotation);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1505 if (PyList_Append(names, id))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1506 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1507 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1508 return 0;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1509 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1510
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1511 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1512 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
1513 PyObject *names)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1514 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1515 int i, error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1516 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
1517 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
1518 error = compiler_visit_argannotation(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1519 c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1520 arg->arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1521 arg->annotation,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1522 names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1523 if (error)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1524 return error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1525 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1526 return 0;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1527 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1528
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1529 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1530 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
1531 expr_ty returns)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1532 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1533 /* 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
1534 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
1535 source code.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1536
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1537 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
1538 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1539 static identifier return_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1540 PyObject *names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1541 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1542 names = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1543 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1544 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1545
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1546 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
1547 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
1548 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
1549 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
1550 args->vararg->annotation, names))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1551 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1552 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
1553 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
1554 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
1555 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
1556 args->kwarg->annotation, names))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1557 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1558
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1559 if (!return_str) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1560 return_str = PyUnicode_InternFromString("return");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1561 if (!return_str)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1562 goto error;
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 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
1565 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1566 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1567
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1568 len = PyList_GET_SIZE(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1569 if (len > 65534) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1570 /* 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
1571 PyErr_SetString(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1572 "too many annotations");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1573 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1574 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1575 if (len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1576 /* 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
1577 PyObject *elt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1578 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1579 PyObject *s = PyTuple_New(len);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1580 if (!s)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1581 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1582 for (i = 0; i < len; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1583 elt = PyList_GET_ITEM(names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1584 Py_INCREF(elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1585 PyTuple_SET_ITEM(s, i, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1586 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1587 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
1588 Py_DECREF(s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1589 len++; /* include the just-pushed tuple */
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 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1592 return len;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1593
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1594 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1595 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1596 return -1;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1597 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1598
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1599 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1600 compiler_function(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1601 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1602 PyCodeObject *co;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1603 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
1604 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
1605 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
1606 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
1607 stmt_ty st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1608 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
1609 int num_annotations;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1610
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1611 assert(s->kind == FunctionDef_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1612
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1613 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1614 return 0;
82133
d296cf1600a8 evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents: 80739
diff changeset
1615 if (args->defaults)
d296cf1600a8 evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents: 80739
diff changeset
1616 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
1617 if (args->kwonlyargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1618 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
1619 args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1620 if (res < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1621 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1622 kw_default_count = res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1623 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1624 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
1625 if (num_annotations < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1626 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1627 assert((num_annotations & 0xFFFF) == num_annotations);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1628
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1629 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
1630 COMPILER_SCOPE_FUNCTION, (void *)s,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1631 s->lineno))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1632 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1633
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1634 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
1635 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
1636 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
1637 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
1638 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
1639 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1640 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1641 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1642
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1643 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
1644 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
1645 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
1646 /* 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
1647 for (i = docstring; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1648 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
1649 VISIT_IN_SCOPE(c, stmt, st);
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 co = assemble(c, 1);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1652 qualname = compiler_scope_qualname(c);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1653 compiler_exit_scope(c);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1654 if (qualname == NULL || co == NULL) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1655 Py_XDECREF(qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1656 Py_XDECREF(co);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1657 return 0;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1658 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1659
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1660 arglength = asdl_seq_LEN(args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1661 arglength |= kw_default_count << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1662 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
1663 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
1664 Py_DECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1665 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1666
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1667 /* decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1668 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
1669 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1670 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1671
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1672 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
1673 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1674
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1675 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1676 compiler_class(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1677 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1678 PyCodeObject *co;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1679 PyObject *str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1680 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1681 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
1682
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1683 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1684 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1685
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1686 /* ultimately generate code for:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1687 <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
1688 where:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1689 <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
1690 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
1691 (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
1692 <name> is the class name
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1693 <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
1694 <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
1695 This borrows from compiler_call.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1696 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1697
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1698 /* 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
1699 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
1700 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
1701 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1702 /* 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
1703 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1704 /* 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
1705 Py_INCREF(s->v.ClassDef.name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1706 Py_XDECREF(c->u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1707 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
1708 /* load (global) __name__ ... */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1709 str = PyUnicode_InternFromString("__name__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1710 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
1711 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1712 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1713 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1714 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1715 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1716 /* ... and store it as __module__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1717 str = PyUnicode_InternFromString("__module__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1718 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
1719 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1720 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1721 return 0;
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1722 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1723 Py_DECREF(str);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1724 /* store the __qualname__ */
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1725 str = compiler_scope_qualname(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1726 if (!str) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1727 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1728 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1729 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1730 ADDOP_O(c, LOAD_CONST, str, consts);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1731 Py_DECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1732 str = PyUnicode_InternFromString("__qualname__");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1733 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
1734 Py_XDECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1735 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1736 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1737 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1738 Py_DECREF(str);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1739 /* compile the body proper */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1740 if (!compiler_body(c, s->v.ClassDef.body)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1741 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1742 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1743 }
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1744 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
1745 /* return the (empty) __class__ cell */
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1746 str = PyUnicode_InternFromString("__class__");
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1747 if (str == NULL) {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1748 compiler_exit_scope(c);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1749 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1750 }
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1751 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
1752 Py_DECREF(str);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1753 assert(i == 0);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1754 /* 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
1755 ADDOP_I(c, LOAD_CLOSURE, i);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1756 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1757 else {
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 83572
diff changeset
1758 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
1759 /* 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
1760 ADDOP_O(c, LOAD_CONST, Py_None, consts);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1761 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1762 ADDOP_IN_SCOPE(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1763 /* create the code object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1764 co = assemble(c, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1765 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1766 /* leave the new scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1767 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1768 if (co == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1769 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1770
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1771 /* 2. load the 'build_class' function */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1772 ADDOP(c, LOAD_BUILD_CLASS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1773
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1774 /* 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
1775 compiler_make_closure(c, co, 0, NULL);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1776 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1777
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1778 /* 4. load class name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1779 ADDOP_O(c, LOAD_CONST, s->v.ClassDef.name, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1780
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1781 /* 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
1782 if (!compiler_call_helper(c, 2,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1783 s->v.ClassDef.bases,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1784 s->v.ClassDef.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1785 s->v.ClassDef.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1786 s->v.ClassDef.kwargs))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1787 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1788
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1789 /* 6. apply decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1790 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
1791 ADDOP_I(c, CALL_FUNCTION, 1);
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
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1794 /* 7. store into <name> */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1795 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
1796 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1797 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1798 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1799
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1800 static int
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1801 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
1802 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1803 basicblock *end, *next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1804
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1805 assert(e->kind == IfExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1806 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1807 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1808 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1809 next = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1810 if (next == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1811 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1812 VISIT(c, expr, e->v.IfExp.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1813 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1814 VISIT(c, expr, e->v.IfExp.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1815 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1816 compiler_use_next_block(c, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1817 VISIT(c, expr, e->v.IfExp.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1818 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1819 return 1;
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1820 }
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1821
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1822 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1823 compiler_lambda(struct compiler *c, expr_ty e)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1824 {
61467
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parents: 57502
diff changeset
1825 PyCodeObject *co;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1826 PyObject *qualname;
61467
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diff changeset
1827 static identifier name;
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diff changeset
1828 int kw_default_count = 0, arglength;
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diff changeset
1829 arguments_ty args = e->v.Lambda.args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1830 assert(e->kind == Lambda_kind);
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diff changeset
1831
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diff changeset
1832 if (!name) {
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diff changeset
1833 name = PyUnicode_InternFromString("<lambda>");
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diff changeset
1834 if (!name)
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diff changeset
1835 return 0;
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diff changeset
1836 }
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diff changeset
1837
82135
6917402c6191 evaluate lambda keyword-only defaults after positional defaults (#16967 again)
Benjamin Peterson <benjamin@python.org>
parents: 82133
diff changeset
1838 if (args->defaults)
6917402c6191 evaluate lambda keyword-only defaults after positional defaults (#16967 again)
Benjamin Peterson <benjamin@python.org>
parents: 82133
diff changeset
1839 VISIT_SEQ(c, expr, args->defaults);
61467
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diff changeset
1840 if (args->kwonlyargs) {
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diff changeset
1841 int res = compiler_visit_kwonlydefaults(c, args->kwonlyargs,
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diff changeset
1842 args->kw_defaults);
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diff changeset
1843 if (res < 0) return 0;
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diff changeset
1844 kw_default_count = res;
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diff changeset
1845 }
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1846 if (!compiler_enter_scope(c, name, COMPILER_SCOPE_FUNCTION,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1847 (void *)e, e->lineno))
61467
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diff changeset
1848 return 0;
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diff changeset
1849
61466
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diff changeset
1850 /* Make None the first constant, so the lambda can't have a
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diff changeset
1851 docstring. */
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diff changeset
1852 if (compiler_add_o(c, c->u->u_consts, Py_None) < 0)
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diff changeset
1853 return 0;
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diff changeset
1854
61467
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diff changeset
1855 c->u->u_argcount = asdl_seq_LEN(args->args);
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diff changeset
1856 c->u->u_kwonlyargcount = asdl_seq_LEN(args->kwonlyargs);
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diff changeset
1857 VISIT_IN_SCOPE(c, expr, e->v.Lambda.body);
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diff changeset
1858 if (c->u->u_ste->ste_generator) {
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1859 ADDOP_IN_SCOPE(c, POP_TOP);
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diff changeset
1860 }
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1861 else {
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diff changeset
1862 ADDOP_IN_SCOPE(c, RETURN_VALUE);
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diff changeset
1863 }
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diff changeset
1864 co = assemble(c, 1);
73738
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parents: 72493
diff changeset
1865 qualname = compiler_scope_qualname(c);
61467
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diff changeset
1866 compiler_exit_scope(c);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1867 if (qualname == NULL || co == NULL)
61467
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diff changeset
1868 return 0;
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diff changeset
1869
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diff changeset
1870 arglength = asdl_seq_LEN(args->defaults);
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diff changeset
1871 arglength |= kw_default_count << 8;
73738
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parents: 72493
diff changeset
1872 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
1873 Py_DECREF(qualname);
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diff changeset
1874 Py_DECREF(co);
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diff changeset
1875
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1876 return 1;
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1877 }
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1878
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1879 static int
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1880 compiler_if(struct compiler *c, stmt_ty s)
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1881 {
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1882 basicblock *end, *next;
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diff changeset
1883 int constant;
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1884 assert(s->kind == If_kind);
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1885 end = compiler_new_block(c);
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1886 if (end == NULL)
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1887 return 0;
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1888
66685
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Georg Brandl <georg@python.org>
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1889 constant = expr_constant(c, s->v.If.test);
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1890 /* constant = 0: "if 0"
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1891 * constant = 1: "if 1", "if 2", ...
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1892 * constant = -1: rest */
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1893 if (constant == 0) {
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1894 if (s->v.If.orelse)
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1895 VISIT_SEQ(c, stmt, s->v.If.orelse);
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1896 } else if (constant == 1) {
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1897 VISIT_SEQ(c, stmt, s->v.If.body);
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1898 } else {
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1899 if (s->v.If.orelse) {
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1900 next = compiler_new_block(c);
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1901 if (next == NULL)
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1902 return 0;
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1903 }
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1904 else
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1905 next = end;
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1906 VISIT(c, expr, s->v.If.test);
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1907 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
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1908 VISIT_SEQ(c, stmt, s->v.If.body);
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1909 ADDOP_JREL(c, JUMP_FORWARD, end);
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1910 if (s->v.If.orelse) {
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1911 compiler_use_next_block(c, next);
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1912 VISIT_SEQ(c, stmt, s->v.If.orelse);
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1913 }
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1914 }
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1915 compiler_use_next_block(c, end);
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1916 return 1;
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1917 }
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1918
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1919 static int
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1920 compiler_for(struct compiler *c, stmt_ty s)
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1921 {
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1922 basicblock *start, *cleanup, *end;
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1923
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1924 start = compiler_new_block(c);
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1925 cleanup = compiler_new_block(c);
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1926 end = compiler_new_block(c);
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1927 if (start == NULL || end == NULL || cleanup == NULL)
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1928 return 0;
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1929 ADDOP_JREL(c, SETUP_LOOP, end);
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1930 if (!compiler_push_fblock(c, LOOP, start))
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1931 return 0;
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1932 VISIT(c, expr, s->v.For.iter);
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1933 ADDOP(c, GET_ITER);
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1934 compiler_use_next_block(c, start);
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1935 ADDOP_JREL(c, FOR_ITER, cleanup);
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1936 VISIT(c, expr, s->v.For.target);
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1937 VISIT_SEQ(c, stmt, s->v.For.body);
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1938 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
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1939 compiler_use_next_block(c, cleanup);
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1940 ADDOP(c, POP_BLOCK);
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1941 compiler_pop_fblock(c, LOOP, start);
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1942 VISIT_SEQ(c, stmt, s->v.For.orelse);
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1943 compiler_use_next_block(c, end);
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1944 return 1;
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1945 }
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1946
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1947 static int
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1948 compiler_while(struct compiler *c, stmt_ty s)
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1949 {
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1950 basicblock *loop, *orelse, *end, *anchor = NULL;
66685
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1951 int constant = expr_constant(c, s->v.While.test);
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1952
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1953 if (constant == 0) {
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1954 if (s->v.While.orelse)
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1955 VISIT_SEQ(c, stmt, s->v.While.orelse);
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1956 return 1;
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1957 }
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1958 loop = compiler_new_block(c);
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1959 end = compiler_new_block(c);
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1960 if (constant == -1) {
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1961 anchor = compiler_new_block(c);
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1962 if (anchor == NULL)
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1963 return 0;
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1964 }
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1965 if (loop == NULL || end == NULL)
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1966 return 0;
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1967 if (s->v.While.orelse) {
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1968 orelse = compiler_new_block(c);
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1969 if (orelse == NULL)
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1970 return 0;
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1971 }
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1972 else
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1973 orelse = NULL;
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1974
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1975 ADDOP_JREL(c, SETUP_LOOP, end);
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1976 compiler_use_next_block(c, loop);
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1977 if (!compiler_push_fblock(c, LOOP, loop))
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1978 return 0;
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1979 if (constant == -1) {
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1980 VISIT(c, expr, s->v.While.test);
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1981 ADDOP_JABS(c, POP_JUMP_IF_FALSE, anchor);
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1982 }
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1983 VISIT_SEQ(c, stmt, s->v.While.body);
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1984 ADDOP_JABS(c, JUMP_ABSOLUTE, loop);
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1985
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1986 /* XXX should the two POP instructions be in a separate block
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1987 if there is no else clause ?
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1988 */
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1989
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1990 if (constant == -1) {
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1991 compiler_use_next_block(c, anchor);
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1992 ADDOP(c, POP_BLOCK);
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1993 }
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1994 compiler_pop_fblock(c, LOOP, loop);
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1995 if (orelse != NULL) /* what if orelse is just pass? */
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1996 VISIT_SEQ(c, stmt, s->v.While.orelse);
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1997 compiler_use_next_block(c, end);
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diff changeset
1998
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1999 return 1;
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2000 }
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2001
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2002 static int
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2003 compiler_continue(struct compiler *c)
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2004 {
61467
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2005 static const char LOOP_ERROR_MSG[] = "'continue' not properly in loop";
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2006 static const char IN_FINALLY_ERROR_MSG[] =
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diff changeset
2007 "'continue' not supported inside 'finally' clause";
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diff changeset
2008 int i;
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diff changeset
2009
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diff changeset
2010 if (!c->u->u_nfblocks)
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2011 return compiler_error(c, LOOP_ERROR_MSG);
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2012 i = c->u->u_nfblocks - 1;
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2013 switch (c->u->u_fblock[i].fb_type) {
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diff changeset
2014 case LOOP:
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2015 ADDOP_JABS(c, JUMP_ABSOLUTE, c->u->u_fblock[i].fb_block);
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diff changeset
2016 break;
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diff changeset
2017 case EXCEPT:
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2018 case FINALLY_TRY:
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2019 while (--i >= 0 && c->u->u_fblock[i].fb_type != LOOP) {
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2020 /* Prevent continue anywhere under a finally
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2021 even if hidden in a sub-try or except. */
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2022 if (c->u->u_fblock[i].fb_type == FINALLY_END)
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2023 return compiler_error(c, IN_FINALLY_ERROR_MSG);
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2024 }
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2025 if (i == -1)
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2026 return compiler_error(c, LOOP_ERROR_MSG);
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2027 ADDOP_JABS(c, CONTINUE_LOOP, c->u->u_fblock[i].fb_block);
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2028 break;
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2029 case FINALLY_END:
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2030 return compiler_error(c, IN_FINALLY_ERROR_MSG);
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2031 }
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2032
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2033 return 1;
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2034 }
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2035
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2036 /* Code generated for "try: <body> finally: <finalbody>" is as follows:
61467
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2037
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diff changeset
2038 SETUP_FINALLY L
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diff changeset
2039 <code for body>
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diff changeset
2040 POP_BLOCK
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diff changeset
2041 LOAD_CONST <None>
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2042 L: <code for finalbody>
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2043 END_FINALLY
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2044
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2045 The special instructions use the block stack. Each block
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2046 stack entry contains the instruction that created it (here
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2047 SETUP_FINALLY), the level of the value stack at the time the
1c4d192f1568 Merge ast-branch to head
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diff changeset
2048 block stack entry was created, and a label (here L).
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2049
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2050 SETUP_FINALLY:
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2051 Pushes the current value stack level and the label
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2052 onto the block stack.
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2053 POP_BLOCK:
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2054 Pops en entry from the block stack, and pops the value
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diff changeset
2055 stack until its level is the same as indicated on the
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2056 block stack. (The label is ignored.)
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2057 END_FINALLY:
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2058 Pops a variable number of entries from the *value* stack
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2059 and re-raises the exception they specify. The number of
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2060 entries popped depends on the (pseudo) exception type.
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2061
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2062 The block stack is unwound when an exception is raised:
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2063 when a SETUP_FINALLY entry is found, the exception is pushed
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2064 onto the value stack (and the exception condition is cleared),
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2065 and the interpreter jumps to the label gotten from the block
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2066 stack.
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2067 */
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2068
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2069 static int
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2070 compiler_try_finally(struct compiler *c, stmt_ty s)
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2071 {
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2072 basicblock *body, *end;
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2073 body = compiler_new_block(c);
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2074 end = compiler_new_block(c);
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2075 if (body == NULL || end == NULL)
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2076 return 0;
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diff changeset
2077
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2078 ADDOP_JREL(c, SETUP_FINALLY, end);
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2079 compiler_use_next_block(c, body);
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2080 if (!compiler_push_fblock(c, FINALLY_TRY, body))
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diff changeset
2081 return 0;
70499
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Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2082 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
2083 if (!compiler_try_except(c, s))
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Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2084 return 0;
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2085 }
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2086 else {
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2087 VISIT_SEQ(c, stmt, s->v.Try.body);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2088 }
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2089 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2090 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
2091
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2092 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
2093 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2094 if (!compiler_push_fblock(c, FINALLY_END, end))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2095 return 0;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2096 VISIT_SEQ(c, stmt, s->v.Try.finalbody);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2097 ADDOP(c, END_FINALLY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2098 compiler_pop_fblock(c, FINALLY_END, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2099
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2100 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2101 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2102
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2103 /*
51853
643d8d4fc8eb http://bugs.python.org/issue4715
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51382
diff changeset
2104 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
2105 (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
2106 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
2107 associated value, and 'exc' the exception.)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2108
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2109 Value stack Label Instruction Argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2110 [] SETUP_EXCEPT L1
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2111 [] <code for S>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2112 [] POP_BLOCK
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2113 [] JUMP_FORWARD L0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2114
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2115 [tb, val, exc] L1: DUP )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2116 [tb, val, exc, exc] <evaluate E1> )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2117 [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
2118 [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
2119 [tb, val, exc] POP
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2120 [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
2121 [tb] POP
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2122 [] <code for S1>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2123 JUMP_FORWARD L0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2124
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2125 [tb, val, exc] L2: DUP
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2126 .............................etc.......................
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2127
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2128 [tb, val, exc] Ln+1: END_FINALLY # re-raise exception
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2129
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2130 [] L0: <next statement>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2131
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2132 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
2133 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2134 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2135 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
2136 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2137 basicblock *body, *orelse, *except, *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2138 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2139
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2140 body = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2141 except = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2142 orelse = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2143 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2144 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
2145 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2146 ADDOP_JREL(c, SETUP_EXCEPT, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2147 compiler_use_next_block(c, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2148 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
2149 return 0;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2150 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
2151 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2152 compiler_pop_fblock(c, EXCEPT, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2153 ADDOP_JREL(c, JUMP_FORWARD, orelse);
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2154 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
2155 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2156 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2157 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
2158 s->v.Try.handlers, i);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2159 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
2160 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
2161 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2162 c->u->u_lineno = handler->lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
2163 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
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 if (except == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2166 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2167 if (handler->v.ExceptHandler.type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2168 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2169 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
2170 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
2171 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
2172 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2173 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2174 if (handler->v.ExceptHandler.name) {
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2175 basicblock *cleanup_end, *cleanup_body;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2176
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2177 cleanup_end = compiler_new_block(c);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2178 cleanup_body = compiler_new_block(c);
70443
95117a2da450 fix spacing
Benjamin Peterson <benjamin@python.org>
parents: 70440
diff changeset
2179 if (!(cleanup_end || cleanup_body))
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2180 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2181
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2182 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2183 ADDOP(c, POP_TOP);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2184
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2185 /*
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2186 try:
83451
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2187 # body
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2188 except type as name:
83451
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2189 try:
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2190 # body
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2191 finally:
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2192 name = None
74eb5f978471 Fix indentation.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 83160
diff changeset
2193 del name
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2194 */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2195
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2196 /* second try: */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2197 ADDOP_JREL(c, SETUP_FINALLY, cleanup_end);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2198 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2199 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2200 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2201
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2202 /* second # body */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2203 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2204 ADDOP(c, POP_BLOCK);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2205 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2206 compiler_pop_fblock(c, FINALLY_TRY, cleanup_body);
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 /* finally: */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2209 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2210 compiler_use_next_block(c, cleanup_end);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2211 if (!compiler_push_fblock(c, FINALLY_END, cleanup_end))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2212 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2213
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2214 /* name = None */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2215 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2216 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
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 /* del name */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2219 compiler_nameop(c, handler->v.ExceptHandler.name, Del);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2220
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2221 ADDOP(c, END_FINALLY);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2222 compiler_pop_fblock(c, FINALLY_END, cleanup_end);
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2223 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2224 else {
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2225 basicblock *cleanup_body;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2226
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2227 cleanup_body = compiler_new_block(c);
70443
95117a2da450 fix spacing
Benjamin Peterson <benjamin@python.org>
parents: 70440
diff changeset
2228 if (!cleanup_body)
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2229 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2230
40587
6b18a095c2e7 SF patch 1631942 by Collin Winter:
Guido van Rossum <guido@python.org>
parents: 40529
diff changeset
2231 ADDOP(c, POP_TOP);
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2232 ADDOP(c, POP_TOP);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2233 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2234 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2235 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2236 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2237 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2238 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
2239 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2240 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2241 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2242 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2243 ADDOP(c, END_FINALLY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2244 compiler_use_next_block(c, orelse);
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2245 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
2246 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2247 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2248 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2249
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2250 static int
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2251 compiler_try(struct compiler *c, stmt_ty s) {
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2252 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
2253 return compiler_try_finally(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2254 else
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2255 return compiler_try_except(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2256 }
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2257
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2258
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2259 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2260 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
2261 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2262 /* 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
2263 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
2264
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2265 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
2266 LOAD_ATTR for each name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2267 */
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2268 Py_ssize_t dot = PyUnicode_FindChar(name, '.', 0,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2269 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2270 if (dot == -2)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2271 return -1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2272 if (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2273 /* 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
2274 Py_ssize_t pos = dot + 1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2275 while (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2276 PyObject *attr;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2277 dot = PyUnicode_FindChar(name, '.', pos,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2278 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2279 if (dot == -2)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2280 return -1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2281 attr = PyUnicode_Substring(name, pos,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2282 (dot != -1) ? dot :
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2283 PyUnicode_GET_LENGTH(name));
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2284 if (!attr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2285 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2286 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
2287 Py_DECREF(attr);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2288 pos = dot + 1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2289 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2290 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2291 return compiler_nameop(c, asname, Store);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2292 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2293
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2294 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2295 compiler_import(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2296 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2297 /* 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
2298 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
2299 import a.b.c as d
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2300 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
2301 module names.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2302 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
2303 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2304 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
2305
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2306 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2307 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
2308 int r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2309 PyObject *level;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2310
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2311 level = PyLong_FromLong(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2312 if (level == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2313 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2314
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2315 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
2316 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2317 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
2318 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
2319
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2320 if (alias->asname) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2321 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
2322 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2323 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2324 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2325 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2326 identifier tmp = alias->name;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2327 Py_ssize_t dot = PyUnicode_FindChar(
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2328 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
2329 if (dot != -1) {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2330 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
2331 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
2332 return 0;
aaa6e8b8a5c9 Issue #18408: Fix compiler_import() to handle PyUnicode_Substring() failure properly
Victor Stinner <victor.stinner@gmail.com>
parents: 83792
diff changeset
2333 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2334 r = compiler_nameop(c, tmp, Store);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2335 if (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2336 Py_DECREF(tmp);
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 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2339 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2340 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
2341 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2342 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2343 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2344
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2345 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2346 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
2347 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2348 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
2349
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2350 PyObject *names = PyTuple_New(n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2351 PyObject *level;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2352 static PyObject *empty_string;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2353
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2354 if (!empty_string) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2355 empty_string = PyUnicode_FromString("");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2356 if (!empty_string)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59673
diff changeset
2357 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2358 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2359
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2360 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2361 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2362
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2363 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
2364 if (!level) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2365 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2366 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2367 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2368
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2369 /* build up the names */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2370 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2371 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
2372 Py_INCREF(alias->name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2373 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
2374 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2375
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2376 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
2377 !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
2378 Py_DECREF(level);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2379 Py_DECREF(names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2380 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
2381 "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
2382 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2383
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2384 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
2385 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2386 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
2387 Py_DECREF(names);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2388 if (s->v.ImportFrom.module) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2389 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
2390 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2391 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2392 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
2393 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2394 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2395 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
2396 identifier store_name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2397
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2398 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
2399 assert(n == 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2400 ADDOP(c, IMPORT_STAR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2401 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2402 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2403
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2404 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
2405 store_name = alias->name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2406 if (alias->asname)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2407 store_name = alias->asname;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2408
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2409 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
2410 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2411 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2412 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2413 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2414 /* remove imported module */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2415 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2416 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2417 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2418
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2419 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2420 compiler_assert(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2421 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2422 static PyObject *assertion_error = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2423 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
2424 PyObject* msg;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2425
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
2426 if (c->c_optimize)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2427 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2428 if (assertion_error == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2429 assertion_error = PyUnicode_InternFromString("AssertionError");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2430 if (assertion_error == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2431 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2432 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2433 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
2434 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
2435 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
2436 "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
2437 if (msg == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2438 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
2439 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
2440 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
2441 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
2442 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
2443 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
2444 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
2445 Py_DECREF(msg);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2446 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2447 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
2448 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2449 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2450 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2451 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
2452 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
2453 if (s->v.Assert.msg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2454 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
2455 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2456 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2457 ADDOP_I(c, RAISE_VARARGS, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2458 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2459 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2460 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2461
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2462 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2463 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
2464 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2465 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2466
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2467 /* 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
2468 c->u->u_lineno = s->lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
2469 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
2470 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2471
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2472 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2473 case FunctionDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2474 return compiler_function(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2475 case ClassDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2476 return compiler_class(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2477 case Return_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2478 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
2479 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
2480 if (s->v.Return.value) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2481 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
2482 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2483 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2484 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
2485 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2486 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2487 case Delete_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2488 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
2489 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2490 case Assign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2491 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
2492 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
2493 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2494 if (i < n - 1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2495 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2496 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2497 (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
2498 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2499 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2500 case AugAssign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2501 return compiler_augassign(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2502 case For_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2503 return compiler_for(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2504 case While_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2505 return compiler_while(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2506 case If_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2507 return compiler_if(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2508 case Raise_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2509 n = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2510 if (s->v.Raise.exc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2511 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
2512 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2513 if (s->v.Raise.cause) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2514 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
2515 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2516 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2517 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2518 ADDOP_I(c, RAISE_VARARGS, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2519 break;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2520 case Try_kind:
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2521 return compiler_try(c, s);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2522 case Assert_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2523 return compiler_assert(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2524 case Import_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2525 return compiler_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2526 case ImportFrom_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2527 return compiler_from_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2528 case Global_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2529 case Nonlocal_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2530 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2531 case Expr_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2532 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
2533 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
2534 ADDOP(c, PRINT_EXPR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2535 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2536 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
2537 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
2538 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
2539 ADDOP(c, POP_TOP);
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 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2542 case Pass_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2543 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2544 case Break_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2545 if (!compiler_in_loop(c))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2546 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
2547 ADDOP(c, BREAK_LOOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2548 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2549 case Continue_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2550 return compiler_continue(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2551 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
2552 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
2553 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2554 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2555 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2556
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2557 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2558 unaryop(unaryop_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2559 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2560 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2561 case Invert:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2562 return UNARY_INVERT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2563 case Not:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2564 return UNARY_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2565 case UAdd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2566 return UNARY_POSITIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2567 case USub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2568 return UNARY_NEGATIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2569 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2570 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2571 "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
2572 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2573 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2574 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2575
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2576 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2577 binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2578 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2579 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2580 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2581 return BINARY_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2582 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2583 return BINARY_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2584 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2585 return BINARY_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2586 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2587 return BINARY_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2588 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2589 return BINARY_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2590 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2591 return BINARY_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2592 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2593 return BINARY_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2594 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2595 return BINARY_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2596 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2597 return BINARY_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2598 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2599 return BINARY_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2600 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2601 return BINARY_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2602 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2603 return BINARY_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2604 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2605 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2606 "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
2607 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2608 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2609 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2610
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2611 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2612 cmpop(cmpop_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2613 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2614 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2615 case Eq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2616 return PyCmp_EQ;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2617 case NotEq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2618 return PyCmp_NE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2619 case Lt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2620 return PyCmp_LT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2621 case LtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2622 return PyCmp_LE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2623 case Gt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2624 return PyCmp_GT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2625 case GtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2626 return PyCmp_GE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2627 case Is:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2628 return PyCmp_IS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2629 case IsNot:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2630 return PyCmp_IS_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2631 case In:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2632 return PyCmp_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2633 case NotIn:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2634 return PyCmp_NOT_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2635 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2636 return PyCmp_BAD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2637 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2638 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2639
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2640 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2641 inplace_binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2642 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2643 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2644 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2645 return INPLACE_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2646 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2647 return INPLACE_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2648 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2649 return INPLACE_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2650 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2651 return INPLACE_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2652 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2653 return INPLACE_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2654 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2655 return INPLACE_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2656 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2657 return INPLACE_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2658 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2659 return INPLACE_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2660 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2661 return INPLACE_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2662 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2663 return INPLACE_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2664 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2665 return INPLACE_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2666 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2667 return INPLACE_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2668 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2669 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2670 "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
2671 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2672 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2673 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2674
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2675 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2676 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
2677 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2678 int op, scope, arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2679 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
2680
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2681 PyObject *dict = c->u->u_names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2682 PyObject *mangled;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2683 /* XXX AugStore isn't used anywhere! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2684
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2685 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
2686 if (!mangled)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2687 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2688
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
2689 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
2690 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
2691 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
2692
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2693 op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2694 optype = OP_NAME;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2695 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
2696 switch (scope) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2697 case FREE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2698 dict = c->u->u_freevars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2699 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2700 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2701 case CELL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2702 dict = c->u->u_cellvars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2703 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2704 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2705 case LOCAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2706 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
2707 optype = OP_FAST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2708 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2709 case GLOBAL_IMPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2710 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
2711 !c->u->u_ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2712 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2713 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2714 case GLOBAL_EXPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2715 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2716 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2717 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2718 /* scope can be 0 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2719 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2720 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2721
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2722 /* 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
2723 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
2724
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2725 switch (optype) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2726 case OP_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2727 switch (ctx) {
83572
cf65c7a75f55 check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents: 83452
diff changeset
2728 case Load:
cf65c7a75f55 check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents: 83452
diff changeset
2729 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
2730 break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2731 case Store: op = STORE_DEREF; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2732 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2733 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2734 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
2735 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
2736 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2737 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2738 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2739 "param invalid for deref variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2740 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2741 }
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 case OP_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2744 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2745 case Load: op = LOAD_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2746 case Store: op = STORE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2747 case Del: op = DELETE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2748 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2749 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2750 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2751 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2752 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2753 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2754 "param invalid for local variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2755 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2756 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2757 ADDOP_O(c, op, mangled, varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2758 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2759 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2760 case OP_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2761 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2762 case Load: op = LOAD_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2763 case Store: op = STORE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2764 case Del: op = DELETE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2765 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2766 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2767 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2768 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2769 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2770 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2771 "param invalid for global variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2772 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2773 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2774 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2775 case OP_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2776 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2777 case Load: op = LOAD_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2778 case Store: op = STORE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2779 case Del: op = DELETE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2780 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2781 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2782 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2783 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2784 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2785 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2786 "param invalid for name variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2787 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2788 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2789 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2790 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2791
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2792 assert(op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2793 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
2794 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2795 if (arg < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2796 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2797 return compiler_addop_i(c, op, arg);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2798 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2799
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2800 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2801 compiler_boolop(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2802 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2803 basicblock *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2804 int jumpi, i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2805 asdl_seq *s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2806
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2807 assert(e->kind == BoolOp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2808 if (e->v.BoolOp.op == And)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2809 jumpi = JUMP_IF_FALSE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2810 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2811 jumpi = JUMP_IF_TRUE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2812 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2813 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2814 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2815 s = e->v.BoolOp.values;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2816 n = asdl_seq_LEN(s) - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2817 assert(n >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2818 for (i = 0; i < n; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2819 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
2820 ADDOP_JABS(c, jumpi, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2821 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2822 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
2823 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2824 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2825 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2826
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2827 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2828 compiler_list(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2829 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2830 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
2831 if (e->v.List.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2832 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2833 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2834 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
2835 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
2836 if ((i >= (1 << 8)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2837 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2838 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2839 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2840 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2841 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
2842 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2843 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
2844 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2845 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2846 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2847 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2848 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2849 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2850 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2851 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2852 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2853 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
2854 if (e->v.List.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2855 ADDOP_I(c, BUILD_LIST, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2856 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2857 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2858 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2859
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2860 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2861 compiler_tuple(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2862 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2863 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
2864 if (e->v.Tuple.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2865 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2866 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2867 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
2868 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
2869 if ((i >= (1 << 8)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2870 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2871 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2872 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2873 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2874 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
2875 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2876 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
2877 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2878 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2879 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2880 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2881 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2882 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2883 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2884 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2885 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2886 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
2887 if (e->v.Tuple.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2888 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2889 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2890 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2891 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2892
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2893 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2894 compiler_compare(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2895 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2896 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2897 basicblock *cleanup = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2898
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2899 /* 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
2900 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
2901 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
2902 assert(n > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2903 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2904 cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2905 if (cleanup == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2906 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2907 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2908 (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
2909 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2910 for (i = 1; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2911 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2912 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2913 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2914 cmpop((cmpop_ty)(asdl_seq_GET(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2915 e->v.Compare.ops, i - 1))));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2916 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
2917 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2918 if (i < (n - 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2919 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2920 (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
2921 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2922 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
2923 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2924 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
2925 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2926 basicblock *end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2927 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2928 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2929 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2930 compiler_use_next_block(c, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2931 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2932 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2933 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2934 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2935 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2936 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2937
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2938 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2939 compiler_call(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2940 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2941 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
2942 return compiler_call_helper(c, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2943 e->v.Call.args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2944 e->v.Call.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2945 e->v.Call.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2946 e->v.Call.kwargs);
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2947 }
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2948
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2949 /* 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
2950 static int
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2951 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
2952 int n, /* Args already pushed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2953 asdl_seq *args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2954 asdl_seq *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2955 expr_ty starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2956 expr_ty kwargs)
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2957 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2958 int code = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2959
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2960 n += asdl_seq_LEN(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2961 VISIT_SEQ(c, expr, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2962 if (keywords) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2963 VISIT_SEQ(c, keyword, keywords);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2964 n |= asdl_seq_LEN(keywords) << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2965 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2966 if (starargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2967 VISIT(c, expr, starargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2968 code |= 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2969 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2970 if (kwargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2971 VISIT(c, expr, kwargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2972 code |= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2973 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2974 switch (code) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2975 case 0:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2976 ADDOP_I(c, CALL_FUNCTION, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2977 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2978 case 1:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2979 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
2980 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2981 case 2:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2982 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
2983 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2984 case 3:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2985 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
2986 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2987 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2988 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2989 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2990
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
2991
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
2992 /* 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
2993 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
2994 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
2995 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
2996 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
2997 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
2998 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
2999 when the function is called.
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3000 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
3001 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
3002
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3003 Possible cleanups:
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3004 - 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
3005 */
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3006
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3007 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3008 compiler_comprehension_generator(struct compiler *c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3009 asdl_seq *generators, int gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3010 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
3011 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3012 /* 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
3013 and then write to the element */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3014
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3015 comprehension_ty gen;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3016 basicblock *start, *anchor, *skip, *if_cleanup;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3017 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3018
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3019 start = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3020 skip = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3021 if_cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3022 anchor = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3023
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3024 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
3025 anchor == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3026 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3027
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3028 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
3029
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3030 if (gen_index == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3031 /* 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
3032 c->u->u_argcount = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3033 ADDOP_I(c, LOAD_FAST, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3034 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3035 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3036 /* Sub-iter - calculate on the fly */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3037 VISIT(c, expr, gen->iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3038 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3039 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3040 compiler_use_next_block(c, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3041 ADDOP_JREL(c, FOR_ITER, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3042 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3043 VISIT(c, expr, gen->target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3044
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3045 /* 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
3046 n = asdl_seq_LEN(gen->ifs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3047 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3048 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
3049 VISIT(c, expr, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3050 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
3051 NEXT_BLOCK(c);
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
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3054 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
3055 if (!compiler_comprehension_generator(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3056 generators, gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3057 elt, val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3058 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3059
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3060 /* 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
3061 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
3062 /* comprehension specific code */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3063 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3064 case COMP_GENEXP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3065 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3066 ADDOP(c, YIELD_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3067 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3068 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3069 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3070 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3071 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
3072 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3073 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3074 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3075 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
3076 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3077 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3078 /* 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
3079 the same. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3080 VISIT(c, expr, val);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3081 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3082 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
3083 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3084 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3085 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3086 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3087
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3088 compiler_use_next_block(c, skip);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3089 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3090 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
3091 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3092 compiler_use_next_block(c, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3093
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3094 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3095 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3096
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3097 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3098 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
3099 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
3100 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3101 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3102 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
3103 PyObject *qualname = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3104
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3105 outermost_iter = ((comprehension_ty)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3106 asdl_seq_GET(generators, 0))->iter;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3107
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3108 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
3109 (void *)e, e->lineno))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3110 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3111
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3112 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3113 int op;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3114 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3115 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3116 op = BUILD_LIST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3117 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3118 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3119 op = BUILD_SET;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3120 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3121 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3122 op = BUILD_MAP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3123 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3124 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3125 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3126 "unknown comprehension type %d", type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3127 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3128 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3129
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3130 ADDOP_I(c, op, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3131 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3132
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3133 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
3134 val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3135 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3136
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3137 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3138 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3139 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3140
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3141 co = assemble(c, 1);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3142 qualname = compiler_scope_qualname(c);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3143 compiler_exit_scope(c);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3144 if (qualname == NULL || co == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3145 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3146
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3147 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
3148 goto error;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3149 Py_DECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3150 Py_DECREF(co);
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 VISIT(c, expr, outermost_iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3153 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3154 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3155 return 1;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3156 error_in_scope:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3157 compiler_exit_scope(c);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3158 error:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3159 Py_XDECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3160 Py_XDECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3161 return 0;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3162 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3163
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3164 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3165 compiler_genexp(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3166 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3167 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3168 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3169 name = PyUnicode_FromString("<genexpr>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3170 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3171 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3172 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3173 assert(e->kind == GeneratorExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3174 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
3175 e->v.GeneratorExp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3176 e->v.GeneratorExp.elt, NULL);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3177 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3178
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3179 static int
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3180 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
3181 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3182 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3183 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3184 name = PyUnicode_FromString("<listcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3185 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3186 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3187 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3188 assert(e->kind == ListComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3189 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
3190 e->v.ListComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3191 e->v.ListComp.elt, NULL);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3192 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3193
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3194 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3195 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
3196 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3197 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3198 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3199 name = PyUnicode_FromString("<setcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3200 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3201 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3202 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3203 assert(e->kind == SetComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3204 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
3205 e->v.SetComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3206 e->v.SetComp.elt, NULL);
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3207 }
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3208
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3209
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3210 static int
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3211 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
3212 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3213 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3214 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3215 name = PyUnicode_FromString("<dictcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3216 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3217 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3218 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3219 assert(e->kind == DictComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3220 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
3221 e->v.DictComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3222 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
3223 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3224
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3225
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3226 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3227 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
3228 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3229 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
3230 VISIT(c, expr, k->value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3231 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3232 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3233
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3234 /* 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
3235 whether they are true or false.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3236
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3237 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
3238 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3239
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3240 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
3241 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
3242 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3243 char *id;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3244 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3245 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3246 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3247 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3248 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
3249 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3250 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
3251 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3252 /* optimize away names that can't be reassigned */
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
3253 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
3254 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
3255 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
3256 return -1;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3257 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
3258 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
3259 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
3260 return 0;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3261 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
3262 return 1;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3263 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
3264 return 0;
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3265 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3266 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3267 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3268 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3269 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3270
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3271 /*
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3272 Implements the with statement from PEP 343.
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3273
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3274 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
3275
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3276 with EXPR as VAR:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3277 BLOCK
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3278
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3279 It is implemented roughly as:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3280
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
3281 context = EXPR
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3282 exit = context.__exit__ # not calling it
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3283 value = context.__enter__()
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3284 try:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3285 VAR = value # if VAR present in the syntax
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3286 BLOCK
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3287 finally:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3288 if an exception was raised:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3289 exc = copy of (exception, instance, traceback)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3290 else:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3291 exc = (None, None, None)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3292 exit(*exc)
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3293 */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3294 static int
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3295 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
3296 {
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3297 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
3298 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
3299
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3300 assert(s->kind == With_kind);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3301
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3302 block = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3303 finally = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3304 if (!block || !finally)
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62393
diff changeset
3305 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3306
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
3307 /* Evaluate EXPR */
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3308 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
3309 ADDOP_JREL(c, SETUP_WITH, finally);
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3310
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3311 /* SETUP_WITH pushes a finally block. */
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3312 compiler_use_next_block(c, block);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3313 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
3314 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3315 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3316
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3317 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
3318 VISIT(c, expr, item->optional_vars);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3319 }
54889
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3320 else {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3321 /* Discard result from context.__enter__() */
62455
eb95af0a99cb Merged revisions 82169 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62389
diff changeset
3322 ADDOP(c, POP_TOP);
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
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3325 pos++;
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3326 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
3327 /* BLOCK code */
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3328 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
3329 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
3330 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3331
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3332 /* End of try block; start the finally block */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3333 ADDOP(c, POP_BLOCK);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3334 compiler_pop_fblock(c, FINALLY_TRY, block);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3335
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3336 ADDOP_O(c, LOAD_CONST, Py_None, consts);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3337 compiler_use_next_block(c, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3338 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
3339 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3340
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
3341 /* 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
3342 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
3343 opcode. */
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3344 ADDOP(c, WITH_CLEANUP);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3345
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3346 /* Finally block ends. */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3347 ADDOP(c, END_FINALLY);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3348 compiler_pop_fblock(c, FINALLY_END, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3349 return 1;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3350 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3351
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3352 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3353 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
3354 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3355 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3356
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3357 /* 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
3358 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
3359 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3360 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
3361 c->u->u_lineno = e->lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3362 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3363 }
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
3364 /* Updating the column offset is always harmless. */
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
3365 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
3366 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3367 case BoolOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3368 return compiler_boolop(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3369 case BinOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3370 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
3371 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
3372 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
3373 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3374 case UnaryOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3375 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
3376 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
3377 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3378 case Lambda_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3379 return compiler_lambda(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3380 case IfExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3381 return compiler_ifexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3382 case Dict_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3383 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
3384 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
3385 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3386 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3387 (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
3388 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3389 (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
3390 ADDOP(c, STORE_MAP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3391 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3392 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3393 case Set_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3394 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
3395 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
3396 ADDOP_I(c, BUILD_SET, n);
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 GeneratorExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3399 return compiler_genexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3400 case ListComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3401 return compiler_listcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3402 case SetComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3403 return compiler_setcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3404 case DictComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3405 return compiler_dictcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3406 case Yield_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3407 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
3408 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
3409 if (e->v.Yield.value) {
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3410 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
3411 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3412 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3413 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
3414 }
80589
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3415 ADDOP(c, YIELD_VALUE);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3416 break;
80589
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3417 case YieldFrom_kind:
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3418 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
3419 return compiler_error(c, "'yield' outside function");
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3420 VISIT(c, expr, e->v.YieldFrom.value);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3421 ADDOP(c, GET_ITER);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3422 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
3423 ADDOP(c, YIELD_FROM);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
3424 break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3425 case Compare_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3426 return compiler_compare(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3427 case Call_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3428 return compiler_call(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3429 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3430 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
3431 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3432 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3433 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
3434 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3435 case Bytes_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3436 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
3437 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3438 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3439 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
3440 break;
80738
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80589
diff changeset
3441 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
3442 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
3443 break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3444 /* 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
3445 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3446 if (e->v.Attribute.ctx != AugStore)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3447 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
3448 switch (e->v.Attribute.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3449 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3450 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3451 /* Fall through to load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3452 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3453 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
3454 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3455 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3456 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3457 /* Fall through to save */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3458 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3459 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
3460 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3461 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3462 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
3463 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3464 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3465 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3466 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3467 "param invalid in attribute expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3468 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3469 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3470 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3471 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3472 switch (e->v.Subscript.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 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
3475 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
3476 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3477 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3478 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
3479 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
3480 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3481 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3482 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
3483 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3484 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3485 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
3486 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
3487 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3488 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3489 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
3490 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
3491 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3492 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3493 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3494 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3495 "param invalid in subscript expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3496 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3497 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3498 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3499 case Starred_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3500 switch (e->v.Starred.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3501 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3502 /* 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
3503 * 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
3504 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3505 "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
3506 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3507 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3508 "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
3509 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3510 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3511 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3512 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
3513 /* 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
3514 case List_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3515 return compiler_list(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3516 case Tuple_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3517 return compiler_tuple(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3518 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3519 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3520 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3521
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3522 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3523 compiler_augassign(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3524 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3525 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
3526 expr_ty auge;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3527
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3528 assert(s->kind == AugAssign_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3529
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3530 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3531 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3532 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
3533 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
3534 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3535 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3536 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3537 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
3538 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
3539 auge->v.Attribute.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3540 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3541 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3542 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3543 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
3544 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
3545 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3546 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3547 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3548 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
3549 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
3550 auge->v.Subscript.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3551 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3552 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3553 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3554 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
3555 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3556 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
3557 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
3558 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
3559 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3560 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3561 "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
3562 e->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3563 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3564 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3565 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3566 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3567
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3568 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3569 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
3570 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3571 struct fblockinfo *f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3572 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
3573 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3574 "too many statically nested blocks");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3575 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3576 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3577 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
3578 f->fb_type = t;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3579 f->fb_block = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3580 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3581 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3582
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3583 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3584 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
3585 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3586 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3587 assert(u->u_nfblocks > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3588 u->u_nfblocks--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3589 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
3590 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
3591 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3592
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3593 static int
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3594 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
3595 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3596 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3597 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
3598 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
3599 return 1;
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 return 0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3602 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3603 /* Raises a SyntaxError and returns 0.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3604 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
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 int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3608 compiler_error(struct compiler *c, const char *errstr)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3609 {
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
3610 PyObject *loc;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3611 PyObject *u = NULL, *v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3612
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
3613 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
3614 if (!loc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3615 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3616 loc = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3617 }
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84563
diff changeset
3618 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
3619 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
3620 if (!u)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3621 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3622 v = Py_BuildValue("(zO)", errstr, u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3623 if (!v)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3624 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3625 PyErr_SetObject(PyExc_SyntaxError, v);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3626 exit:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3627 Py_DECREF(loc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3628 Py_XDECREF(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3629 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3630 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3631 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3632
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3633 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3634 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
3635 expr_context_ty ctx)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3636 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3637 int op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3638
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3639 /* XXX this code is duplicated */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3640 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3641 case AugLoad: /* fall through to Load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3642 case Load: op = BINARY_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3643 case AugStore:/* fall through to Store */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3644 case Store: op = STORE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3645 case Del: op = DELETE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3646 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3647 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3648 "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
3649 kind, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3650 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3651 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3652 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
3653 ADDOP(c, DUP_TOP_TWO);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3654 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3655 else if (ctx == AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3656 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3657 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3658 ADDOP(c, op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3659 return 1;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3660 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3661
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3662 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3663 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
3664 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3665 int n = 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3666 assert(s->kind == Slice_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3667
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3668 /* 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
3669 if (s->v.Slice.lower) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3670 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
3671 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3672 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3673 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
3674 }
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 (s->v.Slice.upper) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3677 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
3678 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3679 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3680 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
3681 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3682
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3683 if (s->v.Slice.step) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3684 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3685 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
3686 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3687 ADDOP_I(c, BUILD_SLICE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3688 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3689 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3690
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3691 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3692 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
3693 expr_context_ty ctx)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3694 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3695 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3696 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3697 return compiler_slice(c, s, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3698 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3699 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
3700 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3701 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3702 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3703 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3704 "extended slice invalid in nested slice");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3705 return 0;
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 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3708 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3709
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3710 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3711 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
3712 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3713 char * kindname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3714 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3715 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3716 kindname = "index";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3717 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3718 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
3719 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3720 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3721 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3722 kindname = "slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3723 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3724 if (!compiler_slice(c, s, ctx))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3725 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3726 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3727 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3728 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3729 kindname = "extended slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3730 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3731 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
3732 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3733 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
3734 s->v.ExtSlice.dims, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3735 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
3736 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3737 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3738 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3739 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3740 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3741 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3742 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3743 "invalid subscript kind %d", s->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3744 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3745 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3746 return compiler_handle_subscr(c, kindname, ctx);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3747 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3748
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3749 /* 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
3750
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3751 /* 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
3752 post records the block indices in post-order.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3753
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3754 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
3755 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3756
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3757 struct assembler {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3758 PyObject *a_bytecode; /* string containing bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3759 int a_offset; /* offset into bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3760 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
3761 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
3762 PyObject *a_lnotab; /* string containing lnotab */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3763 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
3764 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
3765 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
3766 };
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3767
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3768 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3769 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
3770 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3771 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3772 struct instr *instr = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3773
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3774 if (b->b_seen)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3775 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3776 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3777 if (b->b_next != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3778 dfs(c, b->b_next, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3779 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
3780 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3781 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
3782 dfs(c, instr->i_target, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3783 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3784 a->a_postorder[a->a_nblocks++] = b;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3785 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3786
35860
9b885c934144 make internal method static
Neal Norwitz <nnorwitz@gmail.com>
parents: 35797
diff changeset
3787 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3788 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
3789 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3790 int i, target_depth;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3791 struct instr *instr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3792 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
3793 return maxdepth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3794 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3795 b->b_startdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3796 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
3797 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3798 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
3799 if (depth > maxdepth)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3800 maxdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3801 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
3802 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
3803 target_depth = depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3804 if (instr->i_opcode == FOR_ITER) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3805 target_depth = depth-2;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3806 } 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
3807 instr->i_opcode == SETUP_EXCEPT) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3808 target_depth = depth+3;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3809 if (target_depth > maxdepth)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3810 maxdepth = target_depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3811 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3812 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
3813 target_depth, maxdepth);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3814 if (instr->i_opcode == JUMP_ABSOLUTE ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3815 instr->i_opcode == JUMP_FORWARD) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3816 goto out; /* remaining code is dead */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3817 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3818 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3819 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3820 if (b->b_next)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3821 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
3822 out:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3823 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3824 return maxdepth;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3825 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3826
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3827 /* 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
3828 * 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
3829 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3830 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3831 stackdepth(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3832 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3833 basicblock *b, *entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3834 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3835 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
3836 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3837 b->b_startdepth = INT_MIN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3838 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3839 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3840 if (!entryblock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3841 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3842 return stackdepth_walk(c, entryblock, 0, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3843 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3844
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3845 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3846 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
3847 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3848 memset(a, 0, sizeof(struct assembler));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3849 a->a_lineno = firstlineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3850 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
3851 if (!a->a_bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3852 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3853 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
3854 if (!a->a_lnotab)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3855 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3856 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
3857 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3858 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3859 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3860 a->a_postorder = (basicblock **)PyObject_Malloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3861 sizeof(basicblock *) * nblocks);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3862 if (!a->a_postorder) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3863 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3864 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3865 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3866 return 1;
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 void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3870 assemble_free(struct assembler *a)
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 Py_XDECREF(a->a_bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3873 Py_XDECREF(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3874 if (a->a_postorder)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3875 PyObject_Free(a->a_postorder);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3876 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3877
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3878 /* 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
3879
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3880 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3881 instrsize(struct instr *instr)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3882 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3883 if (!instr->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3884 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
3885 if (instr->i_oparg > 0xffff)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3886 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
3887 return 3; /* 1 (opcode) + 2 (oparg) */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3888 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3889
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3890 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3891 blocksize(basicblock *b)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3892 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3893 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3894 int size = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3895
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3896 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
3897 size += instrsize(&b->b_instr[i]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3898 return size;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3899 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3900
55372
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 54918
diff changeset
3901 /* 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
3902 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
3903 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
3904
17518
f939ce52a734 Make some private symbols static.
Guido van Rossum <guido@python.org>
parents: 17355
diff changeset
3905 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3906 assemble_lnotab(struct assembler *a, struct instr *i)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3907 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3908 int d_bytecode, d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3909 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3910 unsigned char *lnotab;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3911
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3912 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
3913 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
3914
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3915 assert(d_bytecode >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3916 assert(d_lineno >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3917
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3918 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
3919 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3920
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3921 if (d_bytecode > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3922 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
3923 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
3924 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
3925 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3926 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
3927 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3928 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3929 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3930 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3931 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3932 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3933 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3934 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
3935 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3936 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3937 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3938 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
3939 for (j = 0; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3940 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3941 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3942 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3943 d_bytecode -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3944 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3945 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3946 assert(d_bytecode <= 255);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3947 if (d_lineno > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3948 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
3949 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
3950 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
3951 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3952 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
3953 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3954 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3955 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3956 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3957 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3958 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3959 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3960 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
3961 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3962 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3963 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3964 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
3965 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3966 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3967 d_bytecode = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3968 for (j = 1; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3969 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3970 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3971 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3972 d_lineno -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3973 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3974 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3975
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3976 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
3977 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
3978 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
3979 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3980 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3981 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3982 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
3983
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3984 a->a_lnotab_off += 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3985 if (d_bytecode) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3986 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3987 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3988 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3989 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
3990 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3991 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3992 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3993 a->a_lineno = i->i_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3994 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
3995 return 1;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
3996 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3997
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3998 /* assemble_emit()
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3999 Extend the bytecode with a new instruction.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4000 Update lnotab if necessary.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4001 */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4002
24855
bed5d5e536bc Add warnings for assignment or deletion of variables and attributes
Guido van Rossum <guido@python.org>
parents: 24854
diff changeset
4003 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4004 assemble_emit(struct assembler *a, struct instr *i)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4005 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4006 int size, arg = 0, ext = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4007 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
4008 char *code;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4009
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4010 size = instrsize(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4011 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4012 arg = i->i_oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4013 ext = arg >> 16;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4014 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4015 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
4016 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4017 if (a->a_offset + size >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4018 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
4019 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4020 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
4021 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4022 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4023 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
4024 a->a_offset += size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4025 if (size == 6) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4026 assert(i->i_hasarg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4027 *code++ = (char)EXTENDED_ARG;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4028 *code++ = ext & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4029 *code++ = ext >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4030 arg &= 0xffff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4031 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4032 *code++ = i->i_opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4033 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4034 assert(size == 3 || size == 6);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4035 *code++ = arg & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4036 *code++ = arg >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4037 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4038 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
4039 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
4040
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
4041 static void
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4042 assemble_jump_offsets(struct assembler *a, struct compiler *c)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4043 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4044 basicblock *b;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4045 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
4046 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4047
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4048 /* 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
4049 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
4050 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4051 totsize = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4052 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
4053 b = a->a_postorder[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4054 bsize = blocksize(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4055 b->b_offset = totsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4056 totsize += bsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4057 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4058 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
4059 extended_arg_count = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4060 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
4061 bsize = b->b_offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4062 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
4063 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
4064 /* Relative jumps are computed relative to
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4065 the instruction pointer after fetching
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4066 the jump instruction.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4067 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4068 bsize += instrsize(instr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4069 if (instr->i_jabs)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4070 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
4071 else if (instr->i_jrel) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4072 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
4073 instr->i_oparg = delta;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4074 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4075 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4076 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4077 if (instr->i_oparg > 0xffff)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4078 extended_arg_count++;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4079 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4080 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4081
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4082 /* 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
4083 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
4084 with a better solution.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4085
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4086 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
4087 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
4088 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
4089 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
4090
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4091 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
4092 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
4093 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
4094 fairly quickly.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4095 */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
4096 } while (last_extended_arg_count != extended_arg_count);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4097 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4098
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4099 static PyObject *
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4100 dict_keys_inorder(PyObject *dict, int offset)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4101 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4102 PyObject *tuple, *k, *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4103 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
4104
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4105 tuple = PyTuple_New(size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4106 if (tuple == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4107 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4108 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
4109 i = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4110 /* 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
4111 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
4112 k = PyTuple_GET_ITEM(k, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4113 Py_INCREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4114 assert((i - offset) < size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4115 assert((i - offset) >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4116 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
4117 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4118 return tuple;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4119 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4120
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4121 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4122 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
4123 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4124 PySTEntryObject *ste = c->u->u_ste;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4125 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
4126 if (ste->ste_type == FunctionBlock) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4127 flags |= CO_NEWLOCALS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4128 if (!ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4129 flags |= CO_OPTIMIZED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4130 if (ste->ste_nested)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4131 flags |= CO_NESTED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4132 if (ste->ste_generator)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4133 flags |= CO_GENERATOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4134 if (ste->ste_varargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4135 flags |= CO_VARARGS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4136 if (ste->ste_varkeywords)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4137 flags |= CO_VARKEYWORDS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4138 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4139
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4140 /* (Only) inherit compilerflags in PyCF_MASK */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4141 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
4142
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4143 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
4144 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4145 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4146 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4147 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
4148 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4149 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4150 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4151 flags |= CO_NOFREE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4152 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4153 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4154
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4155 return flags;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4156 }
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4157
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4158 static PyCodeObject *
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4159 makecode(struct compiler *c, struct assembler *a)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4160 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4161 PyObject *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4162 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4163 PyObject *consts = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4164 PyObject *names = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4165 PyObject *varnames = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4166 PyObject *name = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4167 PyObject *freevars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4168 PyObject *cellvars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4169 PyObject *bytecode = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4170 int nlocals, flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4171
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4172 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
4173 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4174 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4175 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
4176 Py_DECREF(tmp);
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 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
4179 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
4180 if (!consts || !names || !varnames)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4181 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4182
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4183 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
4184 if (!cellvars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4185 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4186 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
4187 if (!freevars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4188 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4189 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
4190 flags = compute_code_flags(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4191 if (flags < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4192 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4193
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4194 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
4195 if (!bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4196 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4197
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4198 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
4199 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4200 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4201 Py_DECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4202 consts = tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4203
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4204 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
4205 nlocals, stackdepth(c), flags,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4206 bytecode, consts, names, varnames,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4207 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
4208 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
4209 c->u->u_firstlineno,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4210 a->a_lnotab);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4211 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4212 Py_XDECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4213 Py_XDECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4214 Py_XDECREF(varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4215 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4216 Py_XDECREF(freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4217 Py_XDECREF(cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4218 Py_XDECREF(bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4219 return co;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4220 }
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4221
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4222
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4223 /* For debugging purposes only */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4224 #if 0
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4225 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4226 dump_instr(const struct instr *i)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4227 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4228 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
4229 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
4230 char arg[128];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4231
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4232 *arg = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4233 if (i->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4234 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
4235
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4236 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
4237 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
4238 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4239
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4240 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4241 dump_basicblock(const basicblock *b)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4242 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4243 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
4244 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
4245 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
4246 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
4247 if (b->b_instr) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4248 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4249 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
4250 fprintf(stderr, " [%02d] ", i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4251 dump_instr(b->b_instr + i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4252 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4253 }
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4254 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4255 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4256
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4257 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4258 assemble(struct compiler *c, int addNone)
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4259 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4260 basicblock *b, *entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4261 struct assembler a;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4262 int i, j, nblocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4263 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4264
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4265 /* 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
4266 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
4267 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
4268 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4269 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
4270 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4271 if (addNone)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4272 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
4273 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4274 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4275
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4276 nblocks = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4277 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4278 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
4279 nblocks++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4280 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4281 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4282
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4283 /* 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
4284 if (!c->u->u_firstlineno) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4285 if (entryblock && entryblock->b_instr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4286 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
4287 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4288 c->u->u_firstlineno = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4289 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4290 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
4291 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4292 dfs(c, entryblock, &a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4293
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4294 /* 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
4295 assemble_jump_offsets(&a, c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4296
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4297 /* 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
4298 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
4299 b = a.a_postorder[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4300 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
4301 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
4302 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4303 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4304
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4305 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
4306 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4307 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
4308 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4309
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4310 co = makecode(c, &a);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4311 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4312 assemble_free(&a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4313 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
4314 }
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
4315
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
4316 #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
4317 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
4318 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
4319 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
4320 {
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
4321 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
4322 }
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
4323
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
4324