annotate Python/compile.c @ 73776:c86fb10eaf68

Issue #7111: Python can now be run without a stdin, stdout or stderr stream. It was already the case with Python 2. However, the corresponding sys module entries are now set to None (instead of an unusable file object).
author Antoine Pitrou <solipsis@pitrou.net>
date Mon, 28 Nov 2011 19:09:45 +0100
parents e1dbc72bd97f
children d64ac9ab4cd0
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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
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146 struct compiler {
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147 const char *c_filename;
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148 PyObject *c_filename_obj;
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149 struct symtable *c_st;
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150 PyFutureFeatures *c_future; /* pointer to module's __future__ */
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151 PyCompilerFlags *c_flags;
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152
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153 int c_optimize; /* optimization level */
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154 int c_interactive; /* true if in interactive mode */
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155 int c_nestlevel;
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156
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157 struct compiler_unit *u; /* compiler state for current block */
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158 PyObject *c_stack; /* Python list holding compiler_unit ptrs */
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159 PyArena *c_arena; /* pointer to memory allocation arena */
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160 };
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161
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162 static int compiler_enter_scope(struct compiler *, identifier, int, void *, int);
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163 static void compiler_free(struct compiler *);
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164 static basicblock *compiler_new_block(struct compiler *);
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165 static int compiler_next_instr(struct compiler *, basicblock *);
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166 static int compiler_addop(struct compiler *, int);
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167 static int compiler_addop_o(struct compiler *, int, PyObject *, PyObject *);
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168 static int compiler_addop_i(struct compiler *, int, int);
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169 static int compiler_addop_j(struct compiler *, int, basicblock *, int);
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170 static basicblock *compiler_use_new_block(struct compiler *);
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171 static int compiler_error(struct compiler *, const char *);
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172 static int compiler_nameop(struct compiler *, identifier, expr_context_ty);
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173
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174 static PyCodeObject *compiler_mod(struct compiler *, mod_ty);
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175 static int compiler_visit_stmt(struct compiler *, stmt_ty);
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176 static int compiler_visit_keyword(struct compiler *, keyword_ty);
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177 static int compiler_visit_expr(struct compiler *, expr_ty);
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178 static int compiler_augassign(struct compiler *, stmt_ty);
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179 static int compiler_visit_slice(struct compiler *, slice_ty,
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180 expr_context_ty);
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181
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182 static int compiler_push_fblock(struct compiler *, enum fblocktype,
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183 basicblock *);
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184 static void compiler_pop_fblock(struct compiler *, enum fblocktype,
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185 basicblock *);
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186 /* Returns true if there is a loop on the fblock stack. */
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187 static int compiler_in_loop(struct compiler *);
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188
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189 static int inplace_binop(struct compiler *, operator_ty);
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190 static int expr_constant(struct compiler *, expr_ty);
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191
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192 static int compiler_with(struct compiler *, stmt_ty, int);
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193 static int compiler_call_helper(struct compiler *c, int n,
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194 asdl_seq *args,
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195 asdl_seq *keywords,
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196 expr_ty starargs,
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197 expr_ty kwargs);
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198 static int compiler_try_except(struct compiler *, stmt_ty);
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199
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200 static PyCodeObject *assemble(struct compiler *, int addNone);
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201 static PyObject *__doc__;
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202
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203 #define COMPILER_CAPSULE_NAME_COMPILER_UNIT "compile.c compiler unit"
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204
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205 PyObject *
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206 _Py_Mangle(PyObject *privateobj, PyObject *ident)
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207 {
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208 /* Name mangling: __private becomes _classname__private.
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209 This is independent from how the name is used. */
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210 PyObject *result;
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211 size_t nlen, plen, ipriv;
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212 Py_UCS4 maxchar;
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213 if (privateobj == NULL || !PyUnicode_Check(privateobj) ||
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214 PyUnicode_READ_CHAR(ident, 0) != '_' ||
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215 PyUnicode_READ_CHAR(ident, 1) != '_') {
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216 Py_INCREF(ident);
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217 return ident;
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218 }
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219 nlen = PyUnicode_GET_LENGTH(ident);
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220 plen = PyUnicode_GET_LENGTH(privateobj);
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221 /* Don't mangle __id__ or names with dots.
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222
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223 The only time a name with a dot can occur is when
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224 we are compiling an import statement that has a
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225 package name.
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226
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227 TODO(jhylton): Decide whether we want to support
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228 mangling of the module name, e.g. __M.X.
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229 */
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230 if ((PyUnicode_READ_CHAR(ident, nlen-1) == '_' &&
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231 PyUnicode_READ_CHAR(ident, nlen-2) == '_') ||
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232 PyUnicode_FindChar(ident, '.', 0, nlen, 1) != -1) {
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233 Py_INCREF(ident);
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234 return ident; /* Don't mangle __whatever__ */
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235 }
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236 /* Strip leading underscores from class name */
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237 ipriv = 0;
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238 while (PyUnicode_READ_CHAR(privateobj, ipriv) == '_')
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239 ipriv++;
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240 if (ipriv == plen) {
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241 Py_INCREF(ident);
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242 return ident; /* Don't mangle if class is just underscores */
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243 }
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244 plen -= ipriv;
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245
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246 assert(1 <= PY_SSIZE_T_MAX - nlen);
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247 assert(1 + nlen <= PY_SSIZE_T_MAX - plen);
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248
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249 maxchar = PyUnicode_MAX_CHAR_VALUE(ident);
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250 if (PyUnicode_MAX_CHAR_VALUE(privateobj) > maxchar)
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251 maxchar = PyUnicode_MAX_CHAR_VALUE(privateobj);
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252
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253 result = PyUnicode_New(1 + nlen + plen, maxchar);
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254 if (!result)
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255 return 0;
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256 /* ident = "_" + priv[ipriv:] + ident # i.e. 1+plen+nlen bytes */
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257 PyUnicode_WRITE(PyUnicode_KIND(result), PyUnicode_DATA(result), 0, '_');
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diff changeset
258 if (PyUnicode_CopyCharacters(result, 1, privateobj, ipriv, plen) < 0) {
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259 Py_DECREF(result);
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260 return NULL;
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diff changeset
261 }
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262 if (PyUnicode_CopyCharacters(result, plen+1, ident, 0, nlen) < 0) {
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263 Py_DECREF(result);
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264 return NULL;
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265 }
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
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266 return result;
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267 }
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268
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269 static int
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270 compiler_init(struct compiler *c)
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271 {
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272 memset(c, 0, sizeof(struct compiler));
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273
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274 c->c_stack = PyList_New(0);
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275 if (!c->c_stack)
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276 return 0;
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277
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278 return 1;
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279 }
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280
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281 PyCodeObject *
66685
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282 PyAST_CompileEx(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.
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283 int optimize, PyArena *arena)
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284 {
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285 struct compiler c;
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286 PyCodeObject *co = NULL;
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287 PyCompilerFlags local_flags;
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288 int merged;
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289
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290 if (!__doc__) {
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291 __doc__ = PyUnicode_InternFromString("__doc__");
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292 if (!__doc__)
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293 return NULL;
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294 }
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295
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296 if (!compiler_init(&c))
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297 return NULL;
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298 c.c_filename = filename;
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299 c.c_filename_obj = PyUnicode_DecodeFSDefault(filename);
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
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300 if (!c.c_filename_obj)
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
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301 goto finally;
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302 c.c_arena = arena;
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303 c.c_future = PyFuture_FromAST(mod, filename);
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304 if (c.c_future == NULL)
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305 goto finally;
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306 if (!flags) {
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307 local_flags.cf_flags = 0;
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308 flags = &local_flags;
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309 }
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310 merged = c.c_future->ff_features | flags->cf_flags;
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311 c.c_future->ff_features = merged;
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312 flags->cf_flags = merged;
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313 c.c_flags = flags;
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314 c.c_optimize = (optimize == -1) ? Py_OptimizeFlag : optimize;
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315 c.c_nestlevel = 0;
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316
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317 c.c_st = PySymtable_Build(mod, filename, c.c_future);
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318 if (c.c_st == NULL) {
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319 if (!PyErr_Occurred())
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320 PyErr_SetString(PyExc_SystemError, "no symtable");
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321 goto finally;
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322 }
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323
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324 co = compiler_mod(&c, mod);
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325
36697
78de5f6b2f67 Clarify C-style exception handling with proper label name.
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326 finally:
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327 compiler_free(&c);
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328 assert(co || PyErr_Occurred());
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329 return co;
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330 }
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331
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332 PyCodeObject *
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333 PyNode_Compile(struct _node *n, const char *filename)
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334 {
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335 PyCodeObject *co = NULL;
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336 mod_ty mod;
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337 PyArena *arena = PyArena_New();
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338 if (!arena)
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339 return NULL;
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340 mod = PyAST_FromNode(n, NULL, filename, arena);
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341 if (mod)
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342 co = PyAST_Compile(mod, filename, NULL, arena);
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343 PyArena_Free(arena);
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344 return co;
23868
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Guido van Rossum <guido@python.org>
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345 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable.
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346
69
cccd534f2280 Initial revision
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347 static void
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348 compiler_free(struct compiler *c)
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349 {
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350 if (c->c_st)
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351 PySymtable_Free(c->c_st);
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352 if (c->c_future)
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353 PyObject_Free(c->c_future);
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354 if (c->c_filename_obj)
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
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355 Py_DECREF(c->c_filename_obj);
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356 Py_DECREF(c->c_stack);
69
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357 }
cccd534f2280 Initial revision
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358
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359 static PyObject *
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360 list2dict(PyObject *list)
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361 {
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362 Py_ssize_t i, n;
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363 PyObject *v, *k;
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364 PyObject *dict = PyDict_New();
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365 if (!dict) return NULL;
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366
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367 n = PyList_Size(list);
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368 for (i = 0; i < n; i++) {
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369 v = PyLong_FromLong(i);
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370 if (!v) {
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371 Py_DECREF(dict);
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372 return NULL;
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373 }
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374 k = PyList_GET_ITEM(list, i);
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375 k = PyTuple_Pack(2, k, k->ob_type);
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376 if (k == NULL || PyDict_SetItem(dict, k, v) < 0) {
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377 Py_XDECREF(k);
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378 Py_DECREF(v);
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379 Py_DECREF(dict);
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380 return NULL;
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381 }
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382 Py_DECREF(k);
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383 Py_DECREF(v);
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384 }
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385 return dict;
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cc172ce05561 Added compare operations for functions and code objects.
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386 }
cc172ce05561 Added compare operations for functions and code objects.
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387
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388 /* Return new dict containing names from src that match scope(s).
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389
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390 src is a symbol table dictionary. If the scope of a name matches
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391 either scope_type or flag is set, insert it into the new dict. The
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392 values are integers, starting at offset and increasing by one for
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393 each key.
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394 */
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395
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396 static PyObject *
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397 dictbytype(PyObject *src, int scope_type, int flag, int offset)
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398 {
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399 Py_ssize_t pos = 0, i = offset, scope;
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400 PyObject *k, *v, *dest = PyDict_New();
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401
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402 assert(offset >= 0);
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403 if (dest == NULL)
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404 return NULL;
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405
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406 while (PyDict_Next(src, &pos, &k, &v)) {
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407 /* XXX this should probably be a macro in symtable.h */
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408 long vi;
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409 assert(PyLong_Check(v));
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410 vi = PyLong_AS_LONG(v);
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411 scope = (vi >> SCOPE_OFFSET) & SCOPE_MASK;
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412
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413 if (scope == scope_type || vi & flag) {
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414 PyObject *tuple, *item = PyLong_FromLong(i);
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415 if (item == NULL) {
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416 Py_DECREF(dest);
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417 return NULL;
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418 }
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419 i++;
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420 tuple = PyTuple_Pack(2, k, k->ob_type);
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421 if (!tuple || PyDict_SetItem(dest, tuple, item) < 0) {
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422 Py_DECREF(item);
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423 Py_DECREF(dest);
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424 Py_XDECREF(tuple);
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425 return NULL;
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426 }
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427 Py_DECREF(item);
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428 Py_DECREF(tuple);
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429 }
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430 }
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431 return dest;
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432 }
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433
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434 static void
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435 compiler_unit_check(struct compiler_unit *u)
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436 {
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437 basicblock *block;
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438 for (block = u->u_blocks; block != NULL; block = block->b_list) {
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439 assert((void *)block != (void *)0xcbcbcbcb);
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440 assert((void *)block != (void *)0xfbfbfbfb);
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441 assert((void *)block != (void *)0xdbdbdbdb);
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442 if (block->b_instr != NULL) {
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443 assert(block->b_ialloc > 0);
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444 assert(block->b_iused > 0);
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445 assert(block->b_ialloc >= block->b_iused);
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446 }
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447 else {
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448 assert (block->b_iused == 0);
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449 assert (block->b_ialloc == 0);
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450 }
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451 }
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452 }
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453
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454 static void
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455 compiler_unit_free(struct compiler_unit *u)
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456 {
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457 basicblock *b, *next;
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458
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459 compiler_unit_check(u);
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460 b = u->u_blocks;
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461 while (b != NULL) {
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462 if (b->b_instr)
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463 PyObject_Free((void *)b->b_instr);
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464 next = b->b_list;
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465 PyObject_Free((void *)b);
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466 b = next;
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467 }
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468 Py_CLEAR(u->u_ste);
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469 Py_CLEAR(u->u_name);
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470 Py_CLEAR(u->u_qualname);
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471 Py_CLEAR(u->u_consts);
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472 Py_CLEAR(u->u_names);
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473 Py_CLEAR(u->u_varnames);
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474 Py_CLEAR(u->u_freevars);
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475 Py_CLEAR(u->u_cellvars);
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476 Py_CLEAR(u->u_private);
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477 PyObject_Free(u);
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478 }
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479
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480 static int
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481 compiler_enter_scope(struct compiler *c, identifier name,
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482 int scope_type, void *key, int lineno)
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483 {
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484 struct compiler_unit *u;
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485
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486 u = (struct compiler_unit *)PyObject_Malloc(sizeof(
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487 struct compiler_unit));
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488 if (!u) {
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489 PyErr_NoMemory();
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490 return 0;
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491 }
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492 memset(u, 0, sizeof(struct compiler_unit));
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493 u->u_scope_type = scope_type;
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494 u->u_argcount = 0;
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495 u->u_kwonlyargcount = 0;
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496 u->u_ste = PySymtable_Lookup(c->c_st, key);
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497 if (!u->u_ste) {
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498 compiler_unit_free(u);
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499 return 0;
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500 }
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501 Py_INCREF(name);
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502 u->u_name = name;
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503 u->u_varnames = list2dict(u->u_ste->ste_varnames);
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504 u->u_cellvars = dictbytype(u->u_ste->ste_symbols, CELL, 0, 0);
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505 if (!u->u_varnames || !u->u_cellvars) {
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506 compiler_unit_free(u);
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507 return 0;
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508 }
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509
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510 u->u_freevars = dictbytype(u->u_ste->ste_symbols, FREE, DEF_FREE_CLASS,
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511 PyDict_Size(u->u_cellvars));
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512 if (!u->u_freevars) {
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513 compiler_unit_free(u);
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514 return 0;
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515 }
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516
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517 u->u_blocks = NULL;
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518 u->u_nfblocks = 0;
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519 u->u_firstlineno = lineno;
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520 u->u_lineno = 0;
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521 u->u_col_offset = 0;
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522 u->u_lineno_set = 0;
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523 u->u_consts = PyDict_New();
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diff changeset
524 if (!u->u_consts) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
525 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
526 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
527 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
528 u->u_names = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
529 if (!u->u_names) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
530 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
531 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
532 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
533
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
534 u->u_private = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
535
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
536 /* Push the old compiler_unit on the stack. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
537 if (c->u) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
538 PyObject *capsule = PyCapsule_New(c->u, COMPILER_CAPSULE_NAME_COMPILER_UNIT, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
539 if (!capsule || PyList_Append(c->c_stack, capsule) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
540 Py_XDECREF(capsule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
541 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
542 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
543 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
544 Py_DECREF(capsule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
545 u->u_private = c->u->u_private;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
546 Py_XINCREF(u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
547 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
548 c->u = u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
549
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
550 c->c_nestlevel++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
551 if (compiler_use_new_block(c) == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
552 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
553
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
554 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
555 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
556
35797
3778083fe2c8 Ensure that compiler_exit_scope() is called as necessary to free memory
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35790
diff changeset
557 static void
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
558 compiler_exit_scope(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
559 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
560 int n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
561 PyObject *capsule;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
562
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
563 c->c_nestlevel--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
564 compiler_unit_free(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
565 /* Restore c->u to the parent unit. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
566 n = PyList_GET_SIZE(c->c_stack) - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
567 if (n >= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
568 capsule = PyList_GET_ITEM(c->c_stack, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
569 c->u = (struct compiler_unit *)PyCapsule_GetPointer(capsule, COMPILER_CAPSULE_NAME_COMPILER_UNIT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
570 assert(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
571 /* we are deleting from a list so this really shouldn't fail */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
572 if (PySequence_DelItem(c->c_stack, n) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
573 Py_FatalError("compiler_exit_scope()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
574 compiler_unit_check(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
575 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
576 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
577 c->u = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
578
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
579 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
580
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
581 static PyObject *
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
582 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
583 {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
584 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
585 _Py_static_string(dot, ".");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
586 _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
587 struct compiler_unit *u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
588 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
589
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
590 u = c->u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
591 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
592 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
593 return u->u_qualname;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
594 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
595
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
596 seq = PyList_New(0);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
597 if (seq == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
598 return NULL;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
599
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
600 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
601 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
602 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
603 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
604 assert(u);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
605 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
606 continue;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
607 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
608 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
609 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
610 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
611 if (locals_str == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
612 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
613 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
614 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
615 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
616 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
617 u = c->u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
618 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
619 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
620 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
621 if (dot_str == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
622 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
623 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
624 Py_DECREF(seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
625 u->u_qualname = name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
626 Py_XINCREF(name);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
627 return name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
628
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
629 _error:
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
630 Py_XDECREF(seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
631 return NULL;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
632 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
633
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
634 /* 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
635 Returns NULL on error.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
636 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
637
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
638 static basicblock *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
639 compiler_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
640 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
641 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
642 struct compiler_unit *u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
643
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
644 u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
645 b = (basicblock *)PyObject_Malloc(sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
646 if (b == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
647 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
648 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
649 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
650 memset((void *)b, 0, sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
651 /* 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
652 b->b_list = u->u_blocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
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653 u->u_blocks = b;
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654 return b;
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655 }
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656
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657 static basicblock *
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658 compiler_use_new_block(struct compiler *c)
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659 {
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660 basicblock *block = compiler_new_block(c);
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661 if (block == NULL)
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662 return NULL;
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663 c->u->u_curblock = block;
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664 return block;
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665 }
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666
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667 static basicblock *
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668 compiler_next_block(struct compiler *c)
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669 {
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670 basicblock *block = compiler_new_block(c);
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671 if (block == NULL)
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672 return NULL;
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673 c->u->u_curblock->b_next = block;
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674 c->u->u_curblock = block;
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675 return block;
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676 }
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677
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678 static basicblock *
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679 compiler_use_next_block(struct compiler *c, basicblock *block)
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680 {
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681 assert(block != NULL);
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682 c->u->u_curblock->b_next = block;
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683 c->u->u_curblock = block;
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684 return block;
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685 }
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686
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687 /* Returns the offset of the next instruction in the current block's
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688 b_instr array. Resizes the b_instr as necessary.
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689 Returns -1 on failure.
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690 */
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691
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692 static int
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693 compiler_next_instr(struct compiler *c, basicblock *b)
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694 {
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695 assert(b != NULL);
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696 if (b->b_instr == NULL) {
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697 b->b_instr = (struct instr *)PyObject_Malloc(
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698 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
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699 if (b->b_instr == NULL) {
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700 PyErr_NoMemory();
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701 return -1;
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702 }
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703 b->b_ialloc = DEFAULT_BLOCK_SIZE;
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704 memset((char *)b->b_instr, 0,
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705 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
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706 }
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diff changeset
707 else if (b->b_iused == b->b_ialloc) {
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diff changeset
708 struct instr *tmp;
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diff changeset
709 size_t oldsize, newsize;
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diff changeset
710 oldsize = b->b_ialloc * sizeof(struct instr);
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diff changeset
711 newsize = oldsize << 1;
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712
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713 if (oldsize > (PY_SIZE_MAX >> 1)) {
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diff changeset
714 PyErr_NoMemory();
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715 return -1;
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716 }
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717
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718 if (newsize == 0) {
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719 PyErr_NoMemory();
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720 return -1;
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721 }
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722 b->b_ialloc <<= 1;
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723 tmp = (struct instr *)PyObject_Realloc(
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diff changeset
724 (void *)b->b_instr, newsize);
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725 if (tmp == NULL) {
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726 PyErr_NoMemory();
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727 return -1;
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728 }
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729 b->b_instr = tmp;
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730 memset((char *)b->b_instr + oldsize, 0, newsize - oldsize);
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731 }
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732 return b->b_iused++;
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733 }
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734
45192
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735 /* Set the i_lineno member of the instruction at offset off if the
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736 line number for the current expression/statement has not
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737 already been set. If it has been set, the call has no effect.
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738
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739 The line number is reset in the following cases:
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740 - when entering a new scope
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741 - on each statement
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742 - on each expression that start a new line
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743 - before the "except" clause
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744 - before the "for" and "while" expressions
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745 */
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746
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747 static void
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748 compiler_set_lineno(struct compiler *c, int off)
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749 {
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750 basicblock *b;
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751 if (c->u->u_lineno_set)
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752 return;
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753 c->u->u_lineno_set = 1;
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754 b = c->u->u_curblock;
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755 b->b_instr[off].i_lineno = c->u->u_lineno;
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756 }
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757
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758 static int
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759 opcode_stack_effect(int opcode, int oparg)
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760 {
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761 switch (opcode) {
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762 case POP_TOP:
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763 return -1;
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764 case ROT_TWO:
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765 case ROT_THREE:
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766 return 0;
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767 case DUP_TOP:
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768 return 1;
64439
725231211273 Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
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parents: 63114
diff changeset
769 case DUP_TOP_TWO:
725231211273 Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
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770 return 2;
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771
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772 case UNARY_POSITIVE:
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773 case UNARY_NEGATIVE:
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774 case UNARY_NOT:
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775 case UNARY_INVERT:
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776 return 0;
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diff changeset
777
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
778 case SET_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
779 case LIST_APPEND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
780 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
781 case MAP_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
782 return -2;
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 case BINARY_POWER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
785 case BINARY_MULTIPLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
786 case BINARY_MODULO:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
787 case BINARY_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
788 case BINARY_SUBTRACT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
789 case BINARY_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
790 case BINARY_FLOOR_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
791 case BINARY_TRUE_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
792 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
793 case INPLACE_FLOOR_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
794 case INPLACE_TRUE_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
795 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
796
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
797 case INPLACE_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
798 case INPLACE_SUBTRACT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
799 case INPLACE_MULTIPLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
800 case INPLACE_MODULO:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
801 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
802 case STORE_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
803 return -3;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
804 case STORE_MAP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
805 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
806 case DELETE_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
807 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
808
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
809 case BINARY_LSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
810 case BINARY_RSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
811 case BINARY_AND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
812 case BINARY_XOR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
813 case BINARY_OR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
814 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
815 case INPLACE_POWER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
816 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
817 case GET_ITER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
818 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
819
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
820 case PRINT_EXPR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
821 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
822 case LOAD_BUILD_CLASS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
823 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
824 case INPLACE_LSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
825 case INPLACE_RSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
826 case INPLACE_AND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
827 case INPLACE_XOR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
828 case INPLACE_OR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
829 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
830 case BREAK_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
831 return 0;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
832 case SETUP_WITH:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
833 return 7;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
834 case WITH_CLEANUP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
835 return -1; /* XXX Sometimes more */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
836 case STORE_LOCALS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
837 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
838 case RETURN_VALUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
839 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
840 case IMPORT_STAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
841 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
842 case YIELD_VALUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
843 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
844
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
845 case POP_BLOCK:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
846 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
847 case POP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
848 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
849 case END_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
850 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
851
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
852 case STORE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
853 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
854 case DELETE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
855 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
856 case UNPACK_SEQUENCE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
857 return oparg-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
858 case UNPACK_EX:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
859 return (oparg&0xFF) + (oparg>>8);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
860 case FOR_ITER:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
861 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
862
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
863 case STORE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
864 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
865 case DELETE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
866 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
867 case STORE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
868 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
869 case DELETE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
870 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
871 case LOAD_CONST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
872 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
873 case LOAD_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
874 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
875 case BUILD_TUPLE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
876 case BUILD_LIST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
877 case BUILD_SET:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
878 return 1-oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
879 case BUILD_MAP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
880 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
881 case LOAD_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
882 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
883 case COMPARE_OP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
884 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
885 case IMPORT_NAME:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
886 return -1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
887 case IMPORT_FROM:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
888 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
889
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
890 case JUMP_FORWARD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
891 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
892 case JUMP_IF_FALSE_OR_POP: /* "" */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
893 case JUMP_ABSOLUTE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
894 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
895
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
896 case POP_JUMP_IF_FALSE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
897 case POP_JUMP_IF_TRUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
898 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
899
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
900 case LOAD_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
901 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
902
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
903 case CONTINUE_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
904 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
905 case SETUP_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
906 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
907 case SETUP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
908 case SETUP_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
909 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
910 + 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
911
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
912 case LOAD_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
913 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
914 case STORE_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
915 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
916 case DELETE_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
917 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
918
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
919 case RAISE_VARARGS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
920 return -oparg;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
921 #define NARGS(o) (((o) % 256) + 2*(((o) / 256) % 256))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
922 case CALL_FUNCTION:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
923 return -NARGS(oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
924 case CALL_FUNCTION_VAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
925 case CALL_FUNCTION_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
926 return -NARGS(oparg)-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
927 case CALL_FUNCTION_VAR_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
928 return -NARGS(oparg)-2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
929 case MAKE_FUNCTION:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
930 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
931 case MAKE_CLOSURE:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
932 return -2 - NARGS(oparg) - ((oparg >> 16) & 0xffff);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
933 #undef NARGS
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
934 case BUILD_SLICE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
935 if (oparg == 3)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
936 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
937 else
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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
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
940 case LOAD_CLOSURE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
941 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
942 case LOAD_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
943 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
944 case STORE_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
945 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
946 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
947 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
948 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
949 fprintf(stderr, "opcode = %d\n", opcode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
950 Py_FatalError("opcode_stack_effect()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
951
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
952 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
953 return 0; /* not reachable */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
954 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
955
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
956 /* Add an opcode with no argument.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
957 Returns 0 on failure, 1 on success.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
958 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
959
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
960 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
961 compiler_addop(struct compiler *c, int opcode)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
962 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
963 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
964 struct instr *i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
965 int off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
966 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
967 if (off < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
968 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
969 b = c->u->u_curblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
970 i = &b->b_instr[off];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
971 i->i_opcode = opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
972 i->i_hasarg = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
973 if (opcode == RETURN_VALUE)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
974 b->b_return = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
975 compiler_set_lineno(c, off);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
976 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
977 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
978
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
979 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
980 compiler_add_o(struct compiler *c, PyObject *dict, PyObject *o)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
981 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
982 PyObject *t, *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
983 Py_ssize_t arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
984 double d;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
985
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
986 /* necessary to make sure types aren't coerced (e.g., int and long) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
987 /* _and_ to distinguish 0.0 from -0.0 e.g. on IEEE platforms */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
988 if (PyFloat_Check(o)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
989 d = PyFloat_AS_DOUBLE(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
990 /* all we need is to make the tuple different in either the 0.0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
991 * or -0.0 case from all others, just to avoid the "coercion".
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
992 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
993 if (d == 0.0 && copysign(1.0, d) < 0.0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
994 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
995 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
996 t = PyTuple_Pack(2, o, o->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
997 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
998 else if (PyComplex_Check(o)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
999 Py_complex z;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1000 int real_negzero, imag_negzero;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1001 /* For the complex case we must make complex(x, 0.)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1002 different from complex(x, -0.) and complex(0., y)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1003 different from complex(-0., y), for any x and y.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1004 All four complex zeros must be distinguished.*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1005 z = PyComplex_AsCComplex(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1006 real_negzero = z.real == 0.0 && copysign(1.0, z.real) < 0.0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1007 imag_negzero = z.imag == 0.0 && copysign(1.0, z.imag) < 0.0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1008 if (real_negzero && imag_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1009 t = PyTuple_Pack(5, o, o->ob_type,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1010 Py_None, Py_None, Py_None);
45082
d7540031b959 Merged revisions 60475-60479,60481-60488 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45029
diff changeset
1011 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1012 else if (imag_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1013 t = PyTuple_Pack(4, o, o->ob_type, Py_None, Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1014 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1015 else if (real_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1016 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1017 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1018 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1019 t = PyTuple_Pack(2, o, o->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1020 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1021 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1022 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1023 t = PyTuple_Pack(2, o, o->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1024 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1025 if (t == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1026 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1027
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1028 v = PyDict_GetItem(dict, t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1029 if (!v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1030 if (PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1031 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1032 arg = PyDict_Size(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1033 v = PyLong_FromLong(arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1034 if (!v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1035 Py_DECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1036 return -1;
42775
d7517c306791 Merged revisions 57221-57391 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1037 }
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1038 if (PyDict_SetItem(dict, t, v) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1039 Py_DECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1040 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1041 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1042 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1043 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1044 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1045 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1046 arg = PyLong_AsLong(v);
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1047 Py_DECREF(t);
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1048 return arg;
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1049 }
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1050
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1051 static int
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1052 compiler_addop_o(struct compiler *c, int opcode, PyObject *dict,
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1053 PyObject *o)
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1054 {
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1055 int arg = compiler_add_o(c, dict, o);
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1056 if (arg < 0)
62456
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1057 return 0;
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1058 return compiler_addop_i(c, opcode, arg);
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1059 }
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1060
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1061 static int
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1062 compiler_addop_name(struct compiler *c, int opcode, PyObject *dict,
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1063 PyObject *o)
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1064 {
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1065 int arg;
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1066 PyObject *mangled = _Py_Mangle(c->u->u_private, o);
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1067 if (!mangled)
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1068 return 0;
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1069 arg = compiler_add_o(c, dict, mangled);
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1070 Py_DECREF(mangled);
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1071 if (arg < 0)
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1072 return 0;
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1073 return compiler_addop_i(c, opcode, arg);
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1074 }
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1075
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1076 /* Add an opcode with an integer argument.
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1077 Returns 0 on failure, 1 on success.
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1078 */
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1079
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1080 static int
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1081 compiler_addop_i(struct compiler *c, int opcode, int oparg)
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1082 {
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1083 struct instr *i;
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1084 int off;
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1085 off = compiler_next_instr(c, c->u->u_curblock);
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1086 if (off < 0)
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1087 return 0;
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1088 i = &c->u->u_curblock->b_instr[off];
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1089 i->i_opcode = opcode;
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1090 i->i_oparg = oparg;
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1091 i->i_hasarg = 1;
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1092 compiler_set_lineno(c, off);
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1093 return 1;
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1094 }
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1095
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1096 static int
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1097 compiler_addop_j(struct compiler *c, int opcode, basicblock *b, int absolute)
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1098 {
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1099 struct instr *i;
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1100 int off;
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1101
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1102 assert(b != NULL);
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1103 off = compiler_next_instr(c, c->u->u_curblock);
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1104 if (off < 0)
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1105 return 0;
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1106 i = &c->u->u_curblock->b_instr[off];
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1107 i->i_opcode = opcode;
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1108 i->i_target = b;
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1109 i->i_hasarg = 1;
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1110 if (absolute)
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1111 i->i_jabs = 1;
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1112 else
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1113 i->i_jrel = 1;
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1114 compiler_set_lineno(c, off);
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1115 return 1;
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1116 }
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1117
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1118 /* The distinction between NEW_BLOCK and NEXT_BLOCK is subtle. (I'd
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1119 like to find better names.) NEW_BLOCK() creates a new block and sets
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1120 it as the current block. NEXT_BLOCK() also creates an implicit jump
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1121 from the current block to the new block.
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1122 */
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1123
40450
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1124 /* The returns inside these macros make it impossible to decref objects
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1125 created in the local function. Local objects should use the arena.
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1126 */
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1127
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1128
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1129 #define NEW_BLOCK(C) { \
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1130 if (compiler_use_new_block((C)) == NULL) \
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1131 return 0; \
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1132 }
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1133
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1134 #define NEXT_BLOCK(C) { \
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1135 if (compiler_next_block((C)) == NULL) \
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1136 return 0; \
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1137 }
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1138
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1139 #define ADDOP(C, OP) { \
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1140 if (!compiler_addop((C), (OP))) \
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1141 return 0; \
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1142 }
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1143
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1144 #define ADDOP_IN_SCOPE(C, OP) { \
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1145 if (!compiler_addop((C), (OP))) { \
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1146 compiler_exit_scope(c); \
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1147 return 0; \
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1148 } \
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1149 }
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1150
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1151 #define ADDOP_O(C, OP, O, TYPE) { \
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1152 if (!compiler_addop_o((C), (OP), (C)->u->u_ ## TYPE, (O))) \
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1153 return 0; \
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1154 }
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1155
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1156 #define ADDOP_NAME(C, OP, O, TYPE) { \
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1157 if (!compiler_addop_name((C), (OP), (C)->u->u_ ## TYPE, (O))) \
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1158 return 0; \
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1159 }
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1160
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1161 #define ADDOP_I(C, OP, O) { \
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1162 if (!compiler_addop_i((C), (OP), (O))) \
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1163 return 0; \
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1164 }
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1165
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1166 #define ADDOP_JABS(C, OP, O) { \
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1167 if (!compiler_addop_j((C), (OP), (O), 1)) \
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1168 return 0; \
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1169 }
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1170
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1171 #define ADDOP_JREL(C, OP, O) { \
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1172 if (!compiler_addop_j((C), (OP), (O), 0)) \
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1173 return 0; \
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1174 }
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1175
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1176 /* VISIT and VISIT_SEQ takes an ASDL type as their second argument. They use
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1177 the ASDL name to synthesize the name of the C type and the visit function.
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1178 */
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1179
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diff changeset
1180 #define VISIT(C, TYPE, V) {\
61467
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diff changeset
1181 if (!compiler_visit_ ## TYPE((C), (V))) \
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1182 return 0; \
35742
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1183 }
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1184
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
1185 #define VISIT_IN_SCOPE(C, TYPE, V) {\
61467
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1186 if (!compiler_visit_ ## TYPE((C), (V))) { \
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diff changeset
1187 compiler_exit_scope(c); \
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diff changeset
1188 return 0; \
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diff changeset
1189 } \
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35860
diff changeset
1190 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
1191
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diff changeset
1192 #define VISIT_SLICE(C, V, CTX) {\
61467
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diff changeset
1193 if (!compiler_visit_slice((C), (V), (CTX))) \
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1194 return 0; \
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1195 }
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1196
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1197 #define VISIT_SEQ(C, TYPE, SEQ) { \
61467
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1198 int _i; \
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1199 asdl_seq *seq = (SEQ); /* avoid variable capture */ \
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1200 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
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diff changeset
1201 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, _i); \
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diff changeset
1202 if (!compiler_visit_ ## TYPE((C), elt)) \
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1203 return 0; \
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1204 } \
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1205 }
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1206
35863
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Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
1207 #define VISIT_SEQ_IN_SCOPE(C, TYPE, SEQ) { \
61467
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diff changeset
1208 int _i; \
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diff changeset
1209 asdl_seq *seq = (SEQ); /* avoid variable capture */ \
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diff changeset
1210 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
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diff changeset
1211 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, _i); \
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diff changeset
1212 if (!compiler_visit_ ## TYPE((C), elt)) { \
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diff changeset
1213 compiler_exit_scope(c); \
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1214 return 0; \
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1215 } \
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1216 } \
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Neal Norwitz <nnorwitz@gmail.com>
parents: 35860
diff changeset
1217 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35860
diff changeset
1218
35742
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diff changeset
1219 static int
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diff changeset
1220 compiler_isdocstring(stmt_ty s)
1c4d192f1568 Merge ast-branch to head
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diff changeset
1221 {
1c4d192f1568 Merge ast-branch to head
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diff changeset
1222 if (s->kind != Expr_kind)
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
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diff changeset
1223 return 0;
35742
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diff changeset
1224 return s->v.Expr.value->kind == Str_kind;
1c4d192f1568 Merge ast-branch to head
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diff changeset
1225 }
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diff changeset
1226
1c4d192f1568 Merge ast-branch to head
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parents: 35310
diff changeset
1227 /* Compile a sequence of statements, checking for a docstring. */
1c4d192f1568 Merge ast-branch to head
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diff changeset
1228
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diff changeset
1229 static int
1c4d192f1568 Merge ast-branch to head
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diff changeset
1230 compiler_body(struct compiler *c, asdl_seq *stmts)
1c4d192f1568 Merge ast-branch to head
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diff changeset
1231 {
61467
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diff changeset
1232 int i = 0;
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diff changeset
1233 stmt_ty st;
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diff changeset
1234
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diff changeset
1235 if (!asdl_seq_LEN(stmts))
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diff changeset
1236 return 1;
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diff changeset
1237 st = (stmt_ty)asdl_seq_GET(stmts, 0);
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
1238 if (compiler_isdocstring(st) && c->c_optimize < 2) {
61467
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diff changeset
1239 /* don't generate docstrings if -OO */
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diff changeset
1240 i = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1241 VISIT(c, expr, st->v.Expr.value);
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diff changeset
1242 if (!compiler_nameop(c, __doc__, Store))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1243 return 0;
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diff changeset
1244 }
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diff changeset
1245 for (; i < asdl_seq_LEN(stmts); i++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1246 VISIT(c, stmt, (stmt_ty)asdl_seq_GET(stmts, i));
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diff changeset
1247 return 1;
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1248 }
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1249
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diff changeset
1250 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head
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diff changeset
1251 compiler_mod(struct compiler *c, mod_ty mod)
1c4d192f1568 Merge ast-branch to head
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diff changeset
1252 {
61467
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1253 PyCodeObject *co;
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diff changeset
1254 int addNone = 1;
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diff changeset
1255 static PyObject *module;
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diff changeset
1256 if (!module) {
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diff changeset
1257 module = PyUnicode_InternFromString("<module>");
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diff changeset
1258 if (!module)
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diff changeset
1259 return NULL;
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diff changeset
1260 }
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diff changeset
1261 /* Use 0 for firstlineno initially, will fixup in assemble(). */
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1262 if (!compiler_enter_scope(c, module, COMPILER_SCOPE_MODULE, mod, 0))
61467
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diff changeset
1263 return NULL;
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diff changeset
1264 switch (mod->kind) {
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diff changeset
1265 case Module_kind:
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diff changeset
1266 if (!compiler_body(c, mod->v.Module.body)) {
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diff changeset
1267 compiler_exit_scope(c);
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diff changeset
1268 return 0;
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diff changeset
1269 }
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diff changeset
1270 break;
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diff changeset
1271 case Interactive_kind:
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diff changeset
1272 c->c_interactive = 1;
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diff changeset
1273 VISIT_SEQ_IN_SCOPE(c, stmt,
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diff changeset
1274 mod->v.Interactive.body);
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diff changeset
1275 break;
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diff changeset
1276 case Expression_kind:
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diff changeset
1277 VISIT_IN_SCOPE(c, expr, mod->v.Expression.body);
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diff changeset
1278 addNone = 0;
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diff changeset
1279 break;
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diff changeset
1280 case Suite_kind:
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diff changeset
1281 PyErr_SetString(PyExc_SystemError,
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diff changeset
1282 "suite should not be possible");
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1283 return 0;
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diff changeset
1284 default:
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diff changeset
1285 PyErr_Format(PyExc_SystemError,
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diff changeset
1286 "module kind %d should not be possible",
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diff changeset
1287 mod->kind);
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1288 return 0;
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diff changeset
1289 }
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diff changeset
1290 co = assemble(c, addNone);
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diff changeset
1291 compiler_exit_scope(c);
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1292 return co;
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1293 }
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diff changeset
1294
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1295 /* The test for LOCAL must come before the test for FREE in order to
1c4d192f1568 Merge ast-branch to head
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1296 handle classes where name is both local and free. The local var is
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diff changeset
1297 a method and the free var is a free var referenced within a method.
1c4d192f1568 Merge ast-branch to head
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1298 */
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1299
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1300 static int
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1301 get_ref_type(struct compiler *c, PyObject *name)
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1302 {
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1303 int scope = PyST_GetScope(c->u->u_ste, name);
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1304 if (scope == 0) {
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diff changeset
1305 char buf[350];
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1306 PyOS_snprintf(buf, sizeof(buf),
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diff changeset
1307 "unknown scope for %.100s in %.100s(%s) in %s\n"
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diff changeset
1308 "symbols: %s\nlocals: %s\nglobals: %s",
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diff changeset
1309 PyBytes_AS_STRING(name),
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diff changeset
1310 PyBytes_AS_STRING(c->u->u_name),
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1311 PyObject_REPR(c->u->u_ste->ste_id),
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1312 c->c_filename,
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1313 PyObject_REPR(c->u->u_ste->ste_symbols),
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1314 PyObject_REPR(c->u->u_varnames),
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1315 PyObject_REPR(c->u->u_names)
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1316 );
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1317 Py_FatalError(buf);
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1318 }
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1319
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1320 return scope;
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1321 }
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1322
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1323 static int
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1324 compiler_lookup_arg(PyObject *dict, PyObject *name)
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1325 {
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1326 PyObject *k, *v;
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1327 k = PyTuple_Pack(2, name, name->ob_type);
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1328 if (k == NULL)
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1329 return -1;
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1330 v = PyDict_GetItem(dict, k);
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1331 Py_DECREF(k);
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1332 if (v == NULL)
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1333 return -1;
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1334 return PyLong_AS_LONG(v);
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1335 }
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1336
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1337 static int
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1338 compiler_make_closure(struct compiler *c, PyCodeObject *co, int args, PyObject *qualname)
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1339 {
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1340 int i, free = PyCode_GetNumFree(co);
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1341 if (qualname == NULL)
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1342 qualname = co->co_name;
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1343
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1344 if (free == 0) {
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1345 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
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1346 ADDOP_O(c, LOAD_CONST, qualname, consts);
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1347 ADDOP_I(c, MAKE_FUNCTION, args);
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1348 return 1;
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1349 }
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1350 for (i = 0; i < free; ++i) {
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1351 /* Bypass com_addop_varname because it will generate
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1352 LOAD_DEREF but LOAD_CLOSURE is needed.
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1353 */
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1354 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
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diff changeset
1355 int arg, reftype;
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1356
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1357 /* Special case: If a class contains a method with a
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1358 free variable that has the same name as a method,
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1359 the name will be considered free *and* local in the
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diff changeset
1360 class. It should be handled by the closure, as
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1361 well as by the normal name loookup logic.
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1362 */
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1363 reftype = get_ref_type(c, name);
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1364 if (reftype == CELL)
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1365 arg = compiler_lookup_arg(c->u->u_cellvars, name);
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1366 else /* (reftype == FREE) */
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1367 arg = compiler_lookup_arg(c->u->u_freevars, name);
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1368 if (arg == -1) {
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1369 fprintf(stderr,
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1370 "lookup %s in %s %d %d\n"
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1371 "freevars of %s: %s\n",
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1372 PyObject_REPR(name),
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1373 PyBytes_AS_STRING(c->u->u_name),
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1374 reftype, arg,
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1375 _PyUnicode_AsString(co->co_name),
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1376 PyObject_REPR(co->co_freevars));
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1377 Py_FatalError("compiler_make_closure()");
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1378 }
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1379 ADDOP_I(c, LOAD_CLOSURE, arg);
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1380 }
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1381 ADDOP_I(c, BUILD_TUPLE, free);
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1382 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
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1383 ADDOP_O(c, LOAD_CONST, qualname, consts);
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1384 ADDOP_I(c, MAKE_CLOSURE, args);
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1385 return 1;
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1386 }
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1387
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1388 static int
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1389 compiler_decorators(struct compiler *c, asdl_seq* decos)
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1390 {
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1391 int i;
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1392
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1393 if (!decos)
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1394 return 1;
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1395
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1396 for (i = 0; i < asdl_seq_LEN(decos); i++) {
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1397 VISIT(c, expr, (expr_ty)asdl_seq_GET(decos, i));
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1398 }
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1399 return 1;
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1400 }
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1401
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1402 static int
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diff changeset
1403 compiler_visit_kwonlydefaults(struct compiler *c, asdl_seq *kwonlyargs,
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1404 asdl_seq *kw_defaults)
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1405 {
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1406 int i, default_count = 0;
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1407 for (i = 0; i < asdl_seq_LEN(kwonlyargs); i++) {
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1408 arg_ty arg = asdl_seq_GET(kwonlyargs, i);
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1409 expr_ty default_ = asdl_seq_GET(kw_defaults, i);
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1410 if (default_) {
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1411 ADDOP_O(c, LOAD_CONST, arg->arg, consts);
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1412 if (!compiler_visit_expr(c, default_)) {
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1413 return -1;
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1414 }
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1415 default_count++;
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1416 }
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1417 }
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1418 return default_count;
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1419 }
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1420
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1421 static int
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1422 compiler_visit_argannotation(struct compiler *c, identifier id,
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1423 expr_ty annotation, PyObject *names)
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1424 {
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1425 if (annotation) {
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1426 VISIT(c, expr, annotation);
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1427 if (PyList_Append(names, id))
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1428 return -1;
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1429 }
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1430 return 0;
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1431 }
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1432
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1433 static int
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1434 compiler_visit_argannotations(struct compiler *c, asdl_seq* args,
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1435 PyObject *names)
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1436 {
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1437 int i, error;
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1438 for (i = 0; i < asdl_seq_LEN(args); i++) {
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1439 arg_ty arg = (arg_ty)asdl_seq_GET(args, i);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1440 error = compiler_visit_argannotation(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1441 c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1442 arg->arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1443 arg->annotation,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1444 names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1445 if (error)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1446 return error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1447 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1448 return 0;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1449 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1450
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1451 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1452 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
1453 expr_ty returns)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1454 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1455 /* 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
1456 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
1457 source code.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1458
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1459 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
1460 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1461 static identifier return_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1462 PyObject *names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1463 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1464 names = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1465 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1466 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1468 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
1469 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1470 if (args->varargannotation &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1471 compiler_visit_argannotation(c, args->vararg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1472 args->varargannotation, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1473 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1474 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
1475 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1476 if (args->kwargannotation &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1477 compiler_visit_argannotation(c, args->kwarg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1478 args->kwargannotation, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1479 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1480
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1481 if (!return_str) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1482 return_str = PyUnicode_InternFromString("return");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1483 if (!return_str)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1484 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1485 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1486 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
1487 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1488 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1489
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1490 len = PyList_GET_SIZE(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1491 if (len > 65534) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1492 /* 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
1493 PyErr_SetString(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1494 "too many annotations");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1495 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1496 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1497 if (len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1498 /* 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
1499 PyObject *elt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1500 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1501 PyObject *s = PyTuple_New(len);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1502 if (!s)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1503 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1504 for (i = 0; i < len; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1505 elt = PyList_GET_ITEM(names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1506 Py_INCREF(elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1507 PyTuple_SET_ITEM(s, i, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1508 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1509 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
1510 Py_DECREF(s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1511 len++; /* include the just-pushed tuple */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1512 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1513 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1514 return len;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1515
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1516 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1517 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1518 return -1;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1519 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1520
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1521 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1522 compiler_function(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1523 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1524 PyCodeObject *co;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1525 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
1526 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
1527 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
1528 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
1529 stmt_ty st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1530 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
1531 int num_annotations;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1532
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1533 assert(s->kind == FunctionDef_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1534
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1535 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1536 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1537 if (args->kwonlyargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1538 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
1539 args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1540 if (res < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1541 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1542 kw_default_count = res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1543 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1544 if (args->defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1545 VISIT_SEQ(c, expr, args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1546 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
1547 if (num_annotations < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1548 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1549 assert((num_annotations & 0xFFFF) == num_annotations);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1550
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1551 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
1552 COMPILER_SCOPE_FUNCTION, (void *)s,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1553 s->lineno))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1554 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1555
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1556 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
1557 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
1558 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
1559 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
1560 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
1561 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1562 return 0;
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
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1565 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
1566 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
1567 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
1568 /* 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
1569 for (i = docstring; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1570 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
1571 VISIT_IN_SCOPE(c, stmt, st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1572 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1573 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
1574 qualname = compiler_scope_qualname(c);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1575 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
1576 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
1577 Py_XDECREF(qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1578 Py_XDECREF(co);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1579 return 0;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1580 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1581
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1582 arglength = asdl_seq_LEN(args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1583 arglength |= kw_default_count << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1584 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
1585 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
1586 Py_DECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1587 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1588
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1589 /* decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1590 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
1591 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1592 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1593
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1594 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
1595 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1596
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1597 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1598 compiler_class(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1599 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1600 PyCodeObject *co;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1601 PyObject *str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1602 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1603 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
1604
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1605 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1606 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1607
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1608 /* ultimately generate code for:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1609 <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
1610 where:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1611 <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
1612 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
1613 (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
1614 <name> is the class name
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1615 <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
1616 <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
1617 This borrows from compiler_call.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1618 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1619
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1620 /* 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
1621 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
1622 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
1623 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1624 /* 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
1625 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1626 /* 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
1627 Py_INCREF(s->v.ClassDef.name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1628 Py_XDECREF(c->u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1629 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
1630 /* force it to have one mandatory argument */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1631 c->u->u_argcount = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1632 /* load the first argument (__locals__) ... */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1633 ADDOP_I(c, LOAD_FAST, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1634 /* ... and store it into f_locals */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1635 ADDOP_IN_SCOPE(c, STORE_LOCALS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1636 /* load (global) __name__ ... */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1637 str = PyUnicode_InternFromString("__name__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1638 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
1639 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1640 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1641 return 0;
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 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1644 /* ... and store it as __module__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1645 str = PyUnicode_InternFromString("__module__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1646 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
1647 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1648 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1649 return 0;
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1650 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1651 Py_DECREF(str);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1652 /* store the __qualname__ */
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1653 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
1654 if (!str) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1655 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1656 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1657 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1658 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
1659 Py_DECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1660 str = PyUnicode_InternFromString("__qualname__");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1661 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
1662 Py_XDECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1663 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1664 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1665 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1666 Py_DECREF(str);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1667 /* compile the body proper */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1668 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
1669 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1670 return 0;
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 the (empty) __class__ cell */
70889
2d62ee4e7d98 use a invalid name for the __class__ closure for super() (closes #12370)
Benjamin Peterson <benjamin@python.org>
parents: 70499
diff changeset
1673 str = PyUnicode_InternFromString("@__class__");
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1674 if (str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1675 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1676 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1677 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1678 i = compiler_lookup_arg(c->u->u_cellvars, str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1679 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1680 if (i == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1681 /* This happens when nobody references the cell */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1682 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1683 /* Return None */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1684 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
1685 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1686 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1687 /* Return the cell where to store __class__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1688 ADDOP_I(c, LOAD_CLOSURE, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1689 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1690 ADDOP_IN_SCOPE(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1691 /* create the code object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1692 co = assemble(c, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1693 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1694 /* leave the new scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1695 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1696 if (co == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1697 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1698
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1699 /* 2. load the 'build_class' function */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1700 ADDOP(c, LOAD_BUILD_CLASS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1701
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1702 /* 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
1703 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
1704 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1705
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1706 /* 4. load class name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1707 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
1708
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1709 /* 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
1710 if (!compiler_call_helper(c, 2,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1711 s->v.ClassDef.bases,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1712 s->v.ClassDef.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1713 s->v.ClassDef.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1714 s->v.ClassDef.kwargs))
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1715 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1716
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1717 /* 6. apply decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1718 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
1719 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1720 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1721
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1722 /* 7. store into <name> */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1723 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
1724 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1725 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1726 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1727
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1728 static int
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1729 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
1730 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1731 basicblock *end, *next;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1732
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1733 assert(e->kind == IfExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1734 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1735 if (end == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1736 return 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1737 next = compiler_new_block(c);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1738 if (next == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1739 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1740 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
1741 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
1742 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
1743 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1744 compiler_use_next_block(c, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1745 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
1746 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1747 return 1;
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1748 }
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1749
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
1750 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1751 compiler_lambda(struct compiler *c, expr_ty e)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1752 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1753 PyCodeObject *co;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1754 PyObject *qualname;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1755 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1756 int kw_default_count = 0, arglength;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1757 arguments_ty args = e->v.Lambda.args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1758 assert(e->kind == Lambda_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1759
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1760 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1761 name = PyUnicode_InternFromString("<lambda>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1762 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1763 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1764 }
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parents: 57502
diff changeset
1765
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1766 if (args->kwonlyargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1767 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
1768 args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1769 if (res < 0) return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1770 kw_default_count = res;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1771 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1772 if (args->defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1773 VISIT_SEQ(c, expr, args->defaults);
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1774 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
1775 (void *)e, e->lineno))
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1776 return 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1777
61466
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parents: 59673
diff changeset
1778 /* Make None the first constant, so the lambda can't have a
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
1779 docstring. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
1780 if (compiler_add_o(c, c->u->u_consts, Py_None) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
1781 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
1782
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1783 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
1784 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
1785 VISIT_IN_SCOPE(c, expr, e->v.Lambda.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1786 if (c->u->u_ste->ste_generator) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1787 ADDOP_IN_SCOPE(c, POP_TOP);
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 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1790 ADDOP_IN_SCOPE(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1791 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1792 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
1793 qualname = compiler_scope_qualname(c);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1794 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
1795 if (qualname == NULL || co == NULL)
61467
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
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1798 arglength = asdl_seq_LEN(args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1799 arglength |= kw_default_count << 8;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
1800 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
1801 Py_DECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1802 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1803
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1804 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1805 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1806
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1807 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1808 compiler_if(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1809 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1810 basicblock *end, *next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1811 int constant;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1812 assert(s->kind == If_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1813 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1814 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1815 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1816
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
1817 constant = expr_constant(c, s->v.If.test);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1818 /* constant = 0: "if 0"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1819 * constant = 1: "if 1", "if 2", ...
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1820 * constant = -1: rest */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1821 if (constant == 0) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1822 if (s->v.If.orelse)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1823 VISIT_SEQ(c, stmt, s->v.If.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
1824 } else if (constant == 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1825 VISIT_SEQ(c, stmt, s->v.If.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
1826 } else {
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diff changeset
1827 if (s->v.If.orelse) {
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diff changeset
1828 next = compiler_new_block(c);
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parents: 57502
diff changeset
1829 if (next == NULL)
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diff changeset
1830 return 0;
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diff changeset
1831 }
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diff changeset
1832 else
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diff changeset
1833 next = end;
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diff changeset
1834 VISIT(c, expr, s->v.If.test);
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diff changeset
1835 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
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diff changeset
1836 VISIT_SEQ(c, stmt, s->v.If.body);
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diff changeset
1837 ADDOP_JREL(c, JUMP_FORWARD, end);
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diff changeset
1838 if (s->v.If.orelse) {
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diff changeset
1839 compiler_use_next_block(c, next);
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diff changeset
1840 VISIT_SEQ(c, stmt, s->v.If.orelse);
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diff changeset
1841 }
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diff changeset
1842 }
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diff changeset
1843 compiler_use_next_block(c, end);
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diff changeset
1844 return 1;
35742
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1845 }
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diff changeset
1846
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diff changeset
1847 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
1848 compiler_for(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
1849 {
61467
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diff changeset
1850 basicblock *start, *cleanup, *end;
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diff changeset
1851
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diff changeset
1852 start = compiler_new_block(c);
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diff changeset
1853 cleanup = compiler_new_block(c);
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diff changeset
1854 end = compiler_new_block(c);
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diff changeset
1855 if (start == NULL || end == NULL || cleanup == NULL)
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1856 return 0;
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diff changeset
1857 ADDOP_JREL(c, SETUP_LOOP, end);
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1858 if (!compiler_push_fblock(c, LOOP, start))
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1859 return 0;
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1860 VISIT(c, expr, s->v.For.iter);
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diff changeset
1861 ADDOP(c, GET_ITER);
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diff changeset
1862 compiler_use_next_block(c, start);
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diff changeset
1863 ADDOP_JREL(c, FOR_ITER, cleanup);
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diff changeset
1864 VISIT(c, expr, s->v.For.target);
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diff changeset
1865 VISIT_SEQ(c, stmt, s->v.For.body);
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diff changeset
1866 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
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diff changeset
1867 compiler_use_next_block(c, cleanup);
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diff changeset
1868 ADDOP(c, POP_BLOCK);
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diff changeset
1869 compiler_pop_fblock(c, LOOP, start);
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diff changeset
1870 VISIT_SEQ(c, stmt, s->v.For.orelse);
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diff changeset
1871 compiler_use_next_block(c, end);
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diff changeset
1872 return 1;
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1873 }
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1874
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1875 static int
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1876 compiler_while(struct compiler *c, stmt_ty s)
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1877 {
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diff changeset
1878 basicblock *loop, *orelse, *end, *anchor = NULL;
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
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diff changeset
1879 int constant = expr_constant(c, s->v.While.test);
61467
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1880
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1881 if (constant == 0) {
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1882 if (s->v.While.orelse)
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1883 VISIT_SEQ(c, stmt, s->v.While.orelse);
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1884 return 1;
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1885 }
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1886 loop = compiler_new_block(c);
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1887 end = compiler_new_block(c);
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1888 if (constant == -1) {
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1889 anchor = compiler_new_block(c);
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1890 if (anchor == NULL)
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1891 return 0;
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1892 }
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1893 if (loop == NULL || end == NULL)
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1894 return 0;
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1895 if (s->v.While.orelse) {
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1896 orelse = compiler_new_block(c);
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1897 if (orelse == NULL)
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1898 return 0;
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1899 }
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1900 else
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1901 orelse = NULL;
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1902
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1903 ADDOP_JREL(c, SETUP_LOOP, end);
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1904 compiler_use_next_block(c, loop);
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1905 if (!compiler_push_fblock(c, LOOP, loop))
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1906 return 0;
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1907 if (constant == -1) {
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1908 VISIT(c, expr, s->v.While.test);
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diff changeset
1909 ADDOP_JABS(c, POP_JUMP_IF_FALSE, anchor);
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1910 }
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1911 VISIT_SEQ(c, stmt, s->v.While.body);
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1912 ADDOP_JABS(c, JUMP_ABSOLUTE, loop);
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1913
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1914 /* XXX should the two POP instructions be in a separate block
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1915 if there is no else clause ?
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1916 */
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1917
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1918 if (constant == -1) {
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1919 compiler_use_next_block(c, anchor);
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1920 ADDOP(c, POP_BLOCK);
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1921 }
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1922 compiler_pop_fblock(c, LOOP, loop);
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1923 if (orelse != NULL) /* what if orelse is just pass? */
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1924 VISIT_SEQ(c, stmt, s->v.While.orelse);
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1925 compiler_use_next_block(c, end);
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1926
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1927 return 1;
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1928 }
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1929
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1930 static int
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1931 compiler_continue(struct compiler *c)
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1932 {
61467
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1933 static const char LOOP_ERROR_MSG[] = "'continue' not properly in loop";
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1934 static const char IN_FINALLY_ERROR_MSG[] =
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1935 "'continue' not supported inside 'finally' clause";
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diff changeset
1936 int i;
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1937
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1938 if (!c->u->u_nfblocks)
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1939 return compiler_error(c, LOOP_ERROR_MSG);
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1940 i = c->u->u_nfblocks - 1;
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1941 switch (c->u->u_fblock[i].fb_type) {
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1942 case LOOP:
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1943 ADDOP_JABS(c, JUMP_ABSOLUTE, c->u->u_fblock[i].fb_block);
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1944 break;
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1945 case EXCEPT:
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1946 case FINALLY_TRY:
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1947 while (--i >= 0 && c->u->u_fblock[i].fb_type != LOOP) {
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1948 /* Prevent continue anywhere under a finally
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1949 even if hidden in a sub-try or except. */
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1950 if (c->u->u_fblock[i].fb_type == FINALLY_END)
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1951 return compiler_error(c, IN_FINALLY_ERROR_MSG);
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1952 }
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1953 if (i == -1)
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1954 return compiler_error(c, LOOP_ERROR_MSG);
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1955 ADDOP_JABS(c, CONTINUE_LOOP, c->u->u_fblock[i].fb_block);
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1956 break;
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1957 case FINALLY_END:
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1958 return compiler_error(c, IN_FINALLY_ERROR_MSG);
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1959 }
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1960
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1961 return 1;
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1962 }
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1963
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1964 /* Code generated for "try: <body> finally: <finalbody>" is as follows:
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1965
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1966 SETUP_FINALLY L
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1967 <code for body>
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1968 POP_BLOCK
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1969 LOAD_CONST <None>
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1970 L: <code for finalbody>
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1971 END_FINALLY
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1972
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1973 The special instructions use the block stack. Each block
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1974 stack entry contains the instruction that created it (here
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1975 SETUP_FINALLY), the level of the value stack at the time the
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1976 block stack entry was created, and a label (here L).
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1977
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1978 SETUP_FINALLY:
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1979 Pushes the current value stack level and the label
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1980 onto the block stack.
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1981 POP_BLOCK:
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1982 Pops en entry from the block stack, and pops the value
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1983 stack until its level is the same as indicated on the
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1984 block stack. (The label is ignored.)
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1985 END_FINALLY:
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1986 Pops a variable number of entries from the *value* stack
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1987 and re-raises the exception they specify. The number of
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1988 entries popped depends on the (pseudo) exception type.
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1989
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1990 The block stack is unwound when an exception is raised:
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1991 when a SETUP_FINALLY entry is found, the exception is pushed
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1992 onto the value stack (and the exception condition is cleared),
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1993 and the interpreter jumps to the label gotten from the block
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1994 stack.
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1995 */
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1996
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1997 static int
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1998 compiler_try_finally(struct compiler *c, stmt_ty s)
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1999 {
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2000 basicblock *body, *end;
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2001 body = compiler_new_block(c);
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2002 end = compiler_new_block(c);
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2003 if (body == NULL || end == NULL)
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2004 return 0;
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2005
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2006 ADDOP_JREL(c, SETUP_FINALLY, end);
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2007 compiler_use_next_block(c, body);
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2008 if (!compiler_push_fblock(c, FINALLY_TRY, body))
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2009 return 0;
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Benjamin Peterson <benjamin@python.org>
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2010 if (s->v.Try.handlers && asdl_seq_LEN(s->v.Try.handlers)) {
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2011 if (!compiler_try_except(c, s))
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2012 return 0;
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2013 }
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2014 else {
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2015 VISIT_SEQ(c, stmt, s->v.Try.body);
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2016 }
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2017 ADDOP(c, POP_BLOCK);
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2018 compiler_pop_fblock(c, FINALLY_TRY, body);
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2019
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2020 ADDOP_O(c, LOAD_CONST, Py_None, consts);
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2021 compiler_use_next_block(c, end);
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2022 if (!compiler_push_fblock(c, FINALLY_END, end))
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2023 return 0;
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2024 VISIT_SEQ(c, stmt, s->v.Try.finalbody);
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2025 ADDOP(c, END_FINALLY);
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2026 compiler_pop_fblock(c, FINALLY_END, end);
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2027
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2028 return 1;
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2029 }
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2030
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2031 /*
51853
643d8d4fc8eb http://bugs.python.org/issue4715
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2032 Code generated for "try: S except E1 as V1: S1 except E2 as V2: S2 ...":
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2033 (The contents of the value stack is shown in [], with the top
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2034 at the right; 'tb' is trace-back info, 'val' the exception's
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2035 associated value, and 'exc' the exception.)
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2036
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2037 Value stack Label Instruction Argument
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2038 [] SETUP_EXCEPT L1
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2039 [] <code for S>
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2040 [] POP_BLOCK
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2041 [] JUMP_FORWARD L0
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2042
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2043 [tb, val, exc] L1: DUP )
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2044 [tb, val, exc, exc] <evaluate E1> )
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2045 [tb, val, exc, exc, E1] COMPARE_OP EXC_MATCH ) only if E1
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2046 [tb, val, exc, 1-or-0] POP_JUMP_IF_FALSE L2 )
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2047 [tb, val, exc] POP
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2048 [tb, val] <assign to V1> (or POP if no V1)
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2049 [tb] POP
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2050 [] <code for S1>
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2051 JUMP_FORWARD L0
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2052
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2053 [tb, val, exc] L2: DUP
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2054 .............................etc.......................
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2055
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2056 [tb, val, exc] Ln+1: END_FINALLY # re-raise exception
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2057
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2058 [] L0: <next statement>
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2059
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2060 Of course, parts are not generated if Vi or Ei is not present.
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2061 */
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2062 static int
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2063 compiler_try_except(struct compiler *c, stmt_ty s)
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2064 {
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2065 basicblock *body, *orelse, *except, *end;
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2066 int i, n;
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2067
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2068 body = compiler_new_block(c);
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2069 except = compiler_new_block(c);
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2070 orelse = compiler_new_block(c);
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2071 end = compiler_new_block(c);
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2072 if (body == NULL || except == NULL || orelse == NULL || end == NULL)
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2073 return 0;
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2074 ADDOP_JREL(c, SETUP_EXCEPT, except);
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2075 compiler_use_next_block(c, body);
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2076 if (!compiler_push_fblock(c, EXCEPT, body))
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2077 return 0;
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Benjamin Peterson <benjamin@python.org>
parents: 70445
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2078 VISIT_SEQ(c, stmt, s->v.Try.body);
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2079 ADDOP(c, POP_BLOCK);
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2080 compiler_pop_fblock(c, EXCEPT, body);
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2081 ADDOP_JREL(c, JUMP_FORWARD, orelse);
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2082 n = asdl_seq_LEN(s->v.Try.handlers);
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2083 compiler_use_next_block(c, except);
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2084 for (i = 0; i < n; i++) {
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2085 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
2086 s->v.Try.handlers, i);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2087 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
2088 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
2089 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2090 c->u->u_lineno = handler->lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
2091 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
2092 except = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2093 if (except == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2094 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2095 if (handler->v.ExceptHandler.type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2096 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2097 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
2098 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
2099 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
2100 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2101 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2102 if (handler->v.ExceptHandler.name) {
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2103 basicblock *cleanup_end, *cleanup_body;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2104
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2105 cleanup_end = compiler_new_block(c);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2106 cleanup_body = compiler_new_block(c);
70443
95117a2da450 fix spacing
Benjamin Peterson <benjamin@python.org>
parents: 70440
diff changeset
2107 if (!(cleanup_end || cleanup_body))
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2108 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2109
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2110 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2111 ADDOP(c, POP_TOP);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2112
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2113 /*
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2114 try:
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2115 # body
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2116 except type as name:
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2117 try:
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2118 # body
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2119 finally:
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2120 name = None
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2121 del name
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2122 */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2123
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2124 /* second try: */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2125 ADDOP_JREL(c, SETUP_FINALLY, cleanup_end);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2126 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2127 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2128 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2129
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2130 /* second # body */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2131 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2132 ADDOP(c, POP_BLOCK);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2133 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2134 compiler_pop_fblock(c, FINALLY_TRY, cleanup_body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2135
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2136 /* finally: */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2137 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2138 compiler_use_next_block(c, cleanup_end);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2139 if (!compiler_push_fblock(c, FINALLY_END, cleanup_end))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2140 return 0;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2141
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2142 /* name = None */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2143 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2144 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2145
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2146 /* del name */
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2147 compiler_nameop(c, handler->v.ExceptHandler.name, Del);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2148
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2149 ADDOP(c, END_FINALLY);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2150 compiler_pop_fblock(c, FINALLY_END, cleanup_end);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2151 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2152 else {
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2153 basicblock *cleanup_body;
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2154
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2155 cleanup_body = compiler_new_block(c);
70443
95117a2da450 fix spacing
Benjamin Peterson <benjamin@python.org>
parents: 70440
diff changeset
2156 if (!cleanup_body)
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2157 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2158
40587
6b18a095c2e7 SF patch 1631942 by Collin Winter:
Guido van Rossum <guido@python.org>
parents: 40529
diff changeset
2159 ADDOP(c, POP_TOP);
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2160 ADDOP(c, POP_TOP);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2161 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2162 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2163 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2164 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
70440
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2165 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
2166 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
2167 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2168 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2169 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2170 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2171 ADDOP(c, END_FINALLY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2172 compiler_use_next_block(c, orelse);
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2173 VISIT_SEQ(c, stmt, s->v.Try.orelse);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2174 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2175 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2176 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2177
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2178 static int
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2179 compiler_try(struct compiler *c, stmt_ty s) {
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2180 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
2181 return compiler_try_finally(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2182 else
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2183 return compiler_try_except(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2184 }
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2185
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2186
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2187 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2188 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
2189 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2190 /* 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
2191 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
2192
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2193 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
2194 LOAD_ATTR for each name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2195 */
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2196 Py_ssize_t dot = PyUnicode_FindChar(name, '.', 0,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2197 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2198 if (dot == -2)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2199 return -1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2200 if (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2201 /* 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
2202 Py_ssize_t pos = dot + 1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2203 while (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2204 PyObject *attr;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2205 dot = PyUnicode_FindChar(name, '.', pos,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2206 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2207 if (dot == -2)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2208 return -1;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2209 attr = PyUnicode_Substring(name, pos,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2210 (dot != -1) ? dot :
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2211 PyUnicode_GET_LENGTH(name));
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2212 if (!attr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2213 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2214 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
2215 Py_DECREF(attr);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2216 pos = dot + 1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2217 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2218 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2219 return compiler_nameop(c, asname, Store);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2220 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2221
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2222 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2223 compiler_import(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2224 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2225 /* 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
2226 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
2227 import a.b.c as d
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2228 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
2229 module names.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2230 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
2231 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2232 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
2233
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2234 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2235 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
2236 int r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2237 PyObject *level;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2238
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2239 level = PyLong_FromLong(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2240 if (level == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2241 return 0;
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_O(c, LOAD_CONST, level, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2244 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2245 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
2246 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
2247
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2248 if (alias->asname) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2249 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
2250 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2251 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2252 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2253 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2254 identifier tmp = alias->name;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2255 Py_ssize_t dot = PyUnicode_FindChar(
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2256 alias->name, '.', 0, PyUnicode_GET_LENGTH(alias->name), 1);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2257 if (dot != -1)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2258 tmp = PyUnicode_Substring(alias->name, 0, dot);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2259 r = compiler_nameop(c, tmp, Store);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2260 if (dot != -1) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2261 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2262 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2263 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2264 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2265 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2266 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2267 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2268 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2269
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2270 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2271 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
2272 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2273 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
2274
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2275 PyObject *names = PyTuple_New(n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2276 PyObject *level;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2277 static PyObject *empty_string;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2278
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2279 if (!empty_string) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2280 empty_string = PyUnicode_FromString("");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2281 if (!empty_string)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2282 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2283 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2284
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2285 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2286 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2287
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2288 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
2289 if (!level) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2290 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2291 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2292 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2293
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2294 /* build up the names */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2295 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2296 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
2297 Py_INCREF(alias->name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2298 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
2299 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2300
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2301 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
2302 !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
2303 Py_DECREF(level);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2304 Py_DECREF(names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2305 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
2306 "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
2307 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2308
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2309 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
2310 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2311 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
2312 Py_DECREF(names);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2313 if (s->v.ImportFrom.module) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2314 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
2315 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2316 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
2317 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
2318 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2319 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2320 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
2321 identifier store_name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2322
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
2323 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
2324 assert(n == 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2325 ADDOP(c, IMPORT_STAR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2326 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2327 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2328
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2329 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
2330 store_name = alias->name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2331 if (alias->asname)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2332 store_name = alias->asname;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2333
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2334 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
2335 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2336 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2337 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2338 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2339 /* remove imported module */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2340 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2341 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2342 }
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 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2345 compiler_assert(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2346 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2347 static PyObject *assertion_error = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2348 basicblock *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2349
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
2350 if (c->c_optimize)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2351 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2352 if (assertion_error == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2353 assertion_error = PyUnicode_InternFromString("AssertionError");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2354 if (assertion_error == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2355 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2356 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2357 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
2358 asdl_seq_LEN(s->v.Assert.test->v.Tuple.elts) > 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2359 const char* msg =
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2360 "assertion is always true, perhaps remove parentheses?";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2361 if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, c->c_filename,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2362 c->u->u_lineno, NULL, NULL) == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2363 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2364 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2365 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
2366 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2367 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2368 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2369 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
2370 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
2371 if (s->v.Assert.msg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2372 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
2373 ADDOP_I(c, CALL_FUNCTION, 1);
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 ADDOP_I(c, RAISE_VARARGS, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2376 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2377 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2378 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2379
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2380 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2381 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
2382 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2383 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2384
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2385 /* 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
2386 c->u->u_lineno = s->lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
2387 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
2388 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2389
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2390 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2391 case FunctionDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2392 return compiler_function(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2393 case ClassDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2394 return compiler_class(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2395 case Return_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2396 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
2397 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
2398 if (s->v.Return.value) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2399 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
2400 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2401 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2402 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
2403 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2404 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2405 case Delete_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2406 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
2407 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2408 case Assign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2409 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
2410 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
2411 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2412 if (i < n - 1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2413 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2414 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2415 (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
2416 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2417 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2418 case AugAssign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2419 return compiler_augassign(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2420 case For_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2421 return compiler_for(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2422 case While_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2423 return compiler_while(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2424 case If_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2425 return compiler_if(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2426 case Raise_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2427 n = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2428 if (s->v.Raise.exc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2429 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
2430 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2431 if (s->v.Raise.cause) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2432 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
2433 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2434 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2435 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2436 ADDOP_I(c, RAISE_VARARGS, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2437 break;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2438 case Try_kind:
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70445
diff changeset
2439 return compiler_try(c, s);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2440 case Assert_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2441 return compiler_assert(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2442 case Import_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2443 return compiler_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2444 case ImportFrom_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2445 return compiler_from_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2446 case Global_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2447 case Nonlocal_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2448 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2449 case Expr_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2450 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
2451 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
2452 ADDOP(c, PRINT_EXPR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2453 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2454 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
2455 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
2456 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
2457 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2458 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2459 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2460 case Pass_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2461 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2462 case Break_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2463 if (!compiler_in_loop(c))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2464 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
2465 ADDOP(c, BREAK_LOOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2466 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2467 case Continue_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2468 return compiler_continue(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2469 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
2470 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
2471 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2472 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2473 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2474
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2475 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2476 unaryop(unaryop_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2477 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2478 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2479 case Invert:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2480 return UNARY_INVERT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2481 case Not:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2482 return UNARY_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2483 case UAdd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2484 return UNARY_POSITIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2485 case USub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2486 return UNARY_NEGATIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2487 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2488 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2489 "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
2490 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2491 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2492 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2493
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2494 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2495 binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2496 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2497 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2498 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2499 return BINARY_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2500 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2501 return BINARY_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2502 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2503 return BINARY_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2504 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2505 return BINARY_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2506 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2507 return BINARY_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2508 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2509 return BINARY_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2510 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2511 return BINARY_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2512 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2513 return BINARY_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2514 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2515 return BINARY_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2516 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2517 return BINARY_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2518 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2519 return BINARY_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2520 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2521 return BINARY_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2522 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2523 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2524 "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
2525 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2526 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2527 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2528
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2529 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2530 cmpop(cmpop_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2531 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2532 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2533 case Eq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2534 return PyCmp_EQ;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2535 case NotEq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2536 return PyCmp_NE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2537 case Lt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2538 return PyCmp_LT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2539 case LtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2540 return PyCmp_LE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2541 case Gt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2542 return PyCmp_GT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2543 case GtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2544 return PyCmp_GE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2545 case Is:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2546 return PyCmp_IS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2547 case IsNot:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2548 return PyCmp_IS_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2549 case In:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2550 return PyCmp_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2551 case NotIn:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2552 return PyCmp_NOT_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2553 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2554 return PyCmp_BAD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2555 }
35742
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
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2558 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2559 inplace_binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2560 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2561 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2562 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2563 return INPLACE_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2564 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2565 return INPLACE_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2566 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2567 return INPLACE_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2568 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2569 return INPLACE_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2570 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2571 return INPLACE_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2572 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2573 return INPLACE_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2574 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2575 return INPLACE_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2576 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2577 return INPLACE_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2578 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2579 return INPLACE_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2580 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2581 return INPLACE_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2582 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2583 return INPLACE_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2584 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2585 return INPLACE_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2586 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2587 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2588 "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
2589 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2590 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2591 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2592
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2593 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2594 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
2595 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2596 int op, scope, arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2597 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
2598
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2599 PyObject *dict = c->u->u_names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2600 PyObject *mangled;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2601 /* XXX AugStore isn't used anywhere! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2602
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2603 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
2604 if (!mangled)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2605 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2606
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2607 op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2608 optype = OP_NAME;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2609 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
2610 switch (scope) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2611 case FREE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2612 dict = c->u->u_freevars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2613 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2614 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2615 case CELL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2616 dict = c->u->u_cellvars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2617 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2618 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2619 case LOCAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2620 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
2621 optype = OP_FAST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2622 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2623 case GLOBAL_IMPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2624 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
2625 !c->u->u_ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2626 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2627 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2628 case GLOBAL_EXPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2629 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2630 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2631 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2632 /* scope can be 0 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2633 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2634 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2635
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2636 /* 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
2637 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
2638
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2639 switch (optype) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2640 case OP_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2641 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2642 case Load: op = LOAD_DEREF; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2643 case Store: op = STORE_DEREF; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2644 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2645 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2646 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
2647 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
2648 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2649 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2650 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2651 "param invalid for deref variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2652 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2653 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2654 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2655 case OP_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2656 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2657 case Load: op = LOAD_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2658 case Store: op = STORE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2659 case Del: op = DELETE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2660 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2661 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2662 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2663 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2664 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2665 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2666 "param invalid for local variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2667 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2668 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2669 ADDOP_O(c, op, mangled, varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2670 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2671 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2672 case OP_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2673 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2674 case Load: op = LOAD_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2675 case Store: op = STORE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2676 case Del: op = DELETE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2677 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2678 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2679 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2680 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2681 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2682 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2683 "param invalid for global variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2684 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2685 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2686 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2687 case OP_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2688 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2689 case Load: op = LOAD_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2690 case Store: op = STORE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2691 case Del: op = DELETE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2692 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2693 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2694 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2695 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2696 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2697 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2698 "param invalid for name variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2699 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2700 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2701 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2702 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2703
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2704 assert(op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2705 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
2706 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2707 if (arg < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2708 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2709 return compiler_addop_i(c, op, arg);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2710 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2711
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2712 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2713 compiler_boolop(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2714 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2715 basicblock *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2716 int jumpi, i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2717 asdl_seq *s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2718
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2719 assert(e->kind == BoolOp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2720 if (e->v.BoolOp.op == And)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2721 jumpi = JUMP_IF_FALSE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2722 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2723 jumpi = JUMP_IF_TRUE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2724 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2725 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2726 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2727 s = e->v.BoolOp.values;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2728 n = asdl_seq_LEN(s) - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2729 assert(n >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2730 for (i = 0; i < n; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2731 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
2732 ADDOP_JABS(c, jumpi, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2733 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2734 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
2735 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2736 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2737 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2738
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2739 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2740 compiler_list(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2741 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2742 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
2743 if (e->v.List.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2744 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2745 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2746 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
2747 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
2748 if ((i >= (1 << 8)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2749 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2750 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2751 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2752 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2753 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
2754 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2755 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
2756 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2757 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2758 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2759 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2760 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2761 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2762 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2763 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2764 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2765 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
2766 if (e->v.List.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2767 ADDOP_I(c, BUILD_LIST, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2768 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2769 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2770 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2771
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2772 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2773 compiler_tuple(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2774 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2775 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
2776 if (e->v.Tuple.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2777 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2778 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2779 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
2780 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
2781 if ((i >= (1 << 8)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2782 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2783 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2784 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2785 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2786 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
2787 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2788 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
2789 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2790 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2791 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2792 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2793 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2794 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2795 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2796 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2797 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2798 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
2799 if (e->v.Tuple.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2800 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2801 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2802 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2803 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2804
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2805 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2806 compiler_compare(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2807 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2808 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2809 basicblock *cleanup = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2810
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2811 /* 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
2812 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
2813 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
2814 assert(n > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2815 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2816 cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2817 if (cleanup == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2818 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2819 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2820 (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
2821 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2822 for (i = 1; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2823 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2824 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2825 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2826 cmpop((cmpop_ty)(asdl_seq_GET(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2827 e->v.Compare.ops, i - 1))));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2828 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
2829 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2830 if (i < (n - 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2831 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2832 (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
2833 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2834 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
2835 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2836 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
2837 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2838 basicblock *end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2839 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2840 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2841 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2842 compiler_use_next_block(c, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2843 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2844 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2845 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2846 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2847 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2848 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2849
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2850 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2851 compiler_call(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2852 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2853 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
2854 return compiler_call_helper(c, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2855 e->v.Call.args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2856 e->v.Call.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2857 e->v.Call.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2858 e->v.Call.kwargs);
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2859 }
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2860
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2861 /* 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
2862 static int
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2863 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
2864 int n, /* Args already pushed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2865 asdl_seq *args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2866 asdl_seq *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2867 expr_ty starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2868 expr_ty kwargs)
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
2869 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2870 int code = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2871
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2872 n += asdl_seq_LEN(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2873 VISIT_SEQ(c, expr, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2874 if (keywords) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2875 VISIT_SEQ(c, keyword, keywords);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2876 n |= asdl_seq_LEN(keywords) << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2877 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2878 if (starargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2879 VISIT(c, expr, starargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2880 code |= 1;
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 (kwargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2883 VISIT(c, expr, kwargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2884 code |= 2;
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 switch (code) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2887 case 0:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2888 ADDOP_I(c, CALL_FUNCTION, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2889 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2890 case 1:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2891 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
2892 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2893 case 2:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2894 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
2895 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2896 case 3:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2897 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
2898 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2899 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2900 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2901 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2902
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
2903
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
2904 /* 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
2905 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
2906 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
2907 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
2908 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
2909 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
2910 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
2911 when the function is called.
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
2912 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
2913 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
2914
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
2915 Possible cleanups:
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
2916 - 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
2917 */
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
2918
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
2919 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2920 compiler_comprehension_generator(struct compiler *c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2921 asdl_seq *generators, int gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2922 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
2923 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2924 /* 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
2925 and then write to the element */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2926
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2927 comprehension_ty gen;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2928 basicblock *start, *anchor, *skip, *if_cleanup;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2929 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2930
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2931 start = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2932 skip = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2933 if_cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2934 anchor = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2935
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2936 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
2937 anchor == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2938 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2939
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2940 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
2941
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2942 if (gen_index == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2943 /* 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
2944 c->u->u_argcount = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2945 ADDOP_I(c, LOAD_FAST, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2946 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2947 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2948 /* Sub-iter - calculate on the fly */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2949 VISIT(c, expr, gen->iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2950 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2951 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2952 compiler_use_next_block(c, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2953 ADDOP_JREL(c, FOR_ITER, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2954 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2955 VISIT(c, expr, gen->target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2956
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2957 /* 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
2958 n = asdl_seq_LEN(gen->ifs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2959 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2960 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
2961 VISIT(c, expr, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2962 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
2963 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2964 }
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 (++gen_index < asdl_seq_LEN(generators))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2967 if (!compiler_comprehension_generator(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2968 generators, gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2969 elt, val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2970 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2971
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2972 /* 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
2973 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
2974 /* comprehension specific code */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2975 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2976 case COMP_GENEXP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2977 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2978 ADDOP(c, YIELD_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2979 ADDOP(c, POP_TOP);
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 COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2982 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2983 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
2984 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2985 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2986 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2987 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
2988 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2989 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2990 /* 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
2991 the same. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2992 VISIT(c, expr, val);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2993 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2994 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
2995 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2996 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2997 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2998 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
2999
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3000 compiler_use_next_block(c, skip);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3001 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3002 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
3003 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3004 compiler_use_next_block(c, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3005
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3006 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3007 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3008
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3009 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3010 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
3011 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
3012 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3013 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3014 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
3015 PyObject *qualname = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3016
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3017 outermost_iter = ((comprehension_ty)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3018 asdl_seq_GET(generators, 0))->iter;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3019
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3020 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
3021 (void *)e, e->lineno))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3022 goto error;
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 (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3025 int op;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3026 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3027 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3028 op = BUILD_LIST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3029 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3030 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3031 op = BUILD_SET;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3032 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3033 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3034 op = BUILD_MAP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3035 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3036 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3037 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3038 "unknown comprehension type %d", type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3039 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3040 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3041
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3042 ADDOP_I(c, op, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3043 }
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 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
3046 val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3047 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3048
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3049 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3050 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3051 }
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 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
3054 qualname = compiler_scope_qualname(c);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3055 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
3056 if (qualname == NULL || co == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3057 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3058
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3059 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
3060 goto error;
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3061 Py_DECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3062 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3063
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3064 VISIT(c, expr, outermost_iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3065 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3066 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3067 return 1;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3068 error_in_scope:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3069 compiler_exit_scope(c);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3070 error:
73738
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72493
diff changeset
3071 Py_XDECREF(qualname);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3072 Py_XDECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3073 return 0;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3074 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3075
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3076 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3077 compiler_genexp(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3078 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3079 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3080 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3081 name = PyUnicode_FromString("<genexpr>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3082 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3083 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3084 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3085 assert(e->kind == GeneratorExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3086 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
3087 e->v.GeneratorExp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3088 e->v.GeneratorExp.elt, NULL);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3089 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3090
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3091 static int
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3092 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
3093 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3094 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3095 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3096 name = PyUnicode_FromString("<listcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3097 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3098 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3099 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3100 assert(e->kind == ListComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3101 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
3102 e->v.ListComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3103 e->v.ListComp.elt, NULL);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3104 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3105
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3106 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3107 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
3108 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3109 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3110 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3111 name = PyUnicode_FromString("<setcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3112 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3113 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3114 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3115 assert(e->kind == SetComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3116 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
3117 e->v.SetComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3118 e->v.SetComp.elt, NULL);
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3119 }
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3120
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3121
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3122 static int
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42089
diff changeset
3123 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
3124 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3125 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3126 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3127 name = PyUnicode_FromString("<dictcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3128 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3129 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3130 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3131 assert(e->kind == DictComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3132 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
3133 e->v.DictComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3134 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
3135 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3136
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3137
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41273
diff changeset
3138 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3139 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
3140 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3141 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
3142 VISIT(c, expr, k->value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3143 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3144 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3145
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3146 /* 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
3147 whether they are true or false.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3148
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3149 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
3150 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3151
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3152 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
3153 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
3154 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3155 char *id;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3156 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3157 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3158 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3159 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3160 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
3161 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3162 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
3163 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3164 /* optimize away names that can't be reassigned */
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 70889
diff changeset
3165 id = PyUnicode_AsUTF8(e->v.Name.id);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3166 if (strcmp(id, "True") == 0) return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3167 if (strcmp(id, "False") == 0) return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3168 if (strcmp(id, "None") == 0) return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3169 if (strcmp(id, "__debug__") == 0)
66685
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.
Georg Brandl <georg@python.org>
parents: 66556
diff changeset
3170 return ! c->c_optimize;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3171 /* fall through */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3172 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3173 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3174 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3175 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3176
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3177 /*
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3178 Implements the with statement from PEP 343.
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3179
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3180 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
3181
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3182 with EXPR as VAR:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3183 BLOCK
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3184
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3185 It is implemented roughly as:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3186
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
3187 context = EXPR
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3188 exit = context.__exit__ # not calling it
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3189 value = context.__enter__()
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3190 try:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3191 VAR = value # if VAR present in the syntax
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3192 BLOCK
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3193 finally:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3194 if an exception was raised:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3195 exc = copy of (exception, instance, traceback)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3196 else:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3197 exc = (None, None, None)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3198 exit(*exc)
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3199 */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3200 static int
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3201 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
3202 {
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3203 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
3204 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
3205
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3206 assert(s->kind == With_kind);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3207
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3208 block = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3209 finally = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3210 if (!block || !finally)
62456
2907ce8bfbb6 Merged revisions 82171 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62393
diff changeset
3211 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3212
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
3213 /* Evaluate EXPR */
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3214 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
3215 ADDOP_JREL(c, SETUP_WITH, finally);
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3216
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3217 /* SETUP_WITH pushes a finally block. */
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3218 compiler_use_next_block(c, block);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3219 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
3220 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3221 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3222
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3223 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
3224 VISIT(c, expr, item->optional_vars);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3225 }
54889
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 53816
diff changeset
3226 else {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3227 /* Discard result from context.__enter__() */
62455
eb95af0a99cb Merged revisions 82169 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 62389
diff changeset
3228 ADDOP(c, POP_TOP);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3229 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3230
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3231 pos++;
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3232 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
3233 /* BLOCK code */
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 70436
diff changeset
3234 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
3235 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
3236 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3237
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3238 /* End of try block; start the finally block */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3239 ADDOP(c, POP_BLOCK);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3240 compiler_pop_fblock(c, FINALLY_TRY, block);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3241
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3242 ADDOP_O(c, LOAD_CONST, Py_None, consts);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3243 compiler_use_next_block(c, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3244 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
3245 return 0;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3246
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
3247 /* 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
3248 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
3249 opcode. */
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3250 ADDOP(c, WITH_CLEANUP);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3251
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3252 /* Finally block ends. */
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3253 ADDOP(c, END_FINALLY);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3254 compiler_pop_fblock(c, FINALLY_END, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3255 return 1;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3256 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
3257
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3258 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3259 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
3260 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3261 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3262
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3263 /* 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
3264 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
3265 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3266 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
3267 c->u->u_lineno = e->lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3268 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3269 }
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
3270 /* Updating the column offset is always harmless. */
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
3271 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
3272 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3273 case BoolOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3274 return compiler_boolop(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3275 case BinOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3276 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
3277 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
3278 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
3279 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3280 case UnaryOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3281 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
3282 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
3283 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3284 case Lambda_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3285 return compiler_lambda(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3286 case IfExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3287 return compiler_ifexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3288 case Dict_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3289 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
3290 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
3291 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3292 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3293 (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
3294 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3295 (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
3296 ADDOP(c, STORE_MAP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3297 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3298 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3299 case Set_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3300 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
3301 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
3302 ADDOP_I(c, BUILD_SET, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3303 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3304 case GeneratorExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3305 return compiler_genexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3306 case ListComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3307 return compiler_listcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3308 case SetComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3309 return compiler_setcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3310 case DictComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3311 return compiler_dictcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3312 case Yield_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3313 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
3314 return compiler_error(c, "'yield' outside function");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3315 if (e->v.Yield.value) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3316 VISIT(c, expr, e->v.Yield.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3317 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3318 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3319 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
3320 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3321 ADDOP(c, YIELD_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3322 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3323 case Compare_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3324 return compiler_compare(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3325 case Call_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3326 return compiler_call(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3327 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3328 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
3329 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3330 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3331 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
3332 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3333 case Bytes_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3334 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
3335 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3336 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3337 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
3338 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3339 /* 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
3340 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3341 if (e->v.Attribute.ctx != AugStore)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3342 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
3343 switch (e->v.Attribute.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3344 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3345 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3346 /* Fall through to load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3347 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3348 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
3349 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3350 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3351 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3352 /* Fall through to save */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3353 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3354 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
3355 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3356 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3357 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
3358 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3359 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3360 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3361 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3362 "param invalid in attribute expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3363 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3364 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3365 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3366 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3367 switch (e->v.Subscript.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3368 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3369 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
3370 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
3371 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3372 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3373 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
3374 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
3375 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3376 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3377 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
3378 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3379 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3380 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
3381 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
3382 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3383 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3384 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
3385 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
3386 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3387 case Param:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3388 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3389 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3390 "param invalid in subscript expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3391 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3392 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3393 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3394 case Starred_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3395 switch (e->v.Starred.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3396 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3397 /* 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
3398 * 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
3399 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3400 "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
3401 default:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3402 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3403 "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
3404 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3405 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3406 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3407 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
3408 /* 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
3409 case List_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3410 return compiler_list(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3411 case Tuple_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3412 return compiler_tuple(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3413 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3414 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3415 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3416
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3417 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3418 compiler_augassign(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3419 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3420 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
3421 expr_ty auge;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3422
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3423 assert(s->kind == AugAssign_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3424
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3425 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3426 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3427 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
3428 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
3429 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3430 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3431 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3432 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
3433 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
3434 auge->v.Attribute.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3435 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3436 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3437 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3438 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
3439 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
3440 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3441 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3442 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3443 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
3444 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
3445 auge->v.Subscript.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3446 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3447 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3448 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3449 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
3450 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3451 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
3452 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
3453 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
3454 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3455 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3456 "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
3457 e->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3458 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3459 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3460 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3461 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3462
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3463 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3464 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
3465 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3466 struct fblockinfo *f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3467 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
3468 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3469 "too many statically nested blocks");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3470 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3471 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3472 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
3473 f->fb_type = t;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3474 f->fb_block = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3475 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3476 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3477
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3478 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3479 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
3480 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3481 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3482 assert(u->u_nfblocks > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3483 u->u_nfblocks--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3484 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
3485 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
3486 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3487
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3488 static int
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3489 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
3490 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3491 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3492 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
3493 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
3494 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3495 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3496 return 0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3497 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3498 /* Raises a SyntaxError and returns 0.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3499 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
3500 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3501
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3502 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3503 compiler_error(struct compiler *c, const char *errstr)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3504 {
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
3505 PyObject *loc;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3506 PyObject *u = NULL, *v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3507
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3508 loc = PyErr_ProgramText(c->c_filename, c->u->u_lineno);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3509 if (!loc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3510 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3511 loc = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3512 }
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
3513 u = Py_BuildValue("(OiiO)", c->c_filename_obj, c->u->u_lineno,
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 64620
diff changeset
3514 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
3515 if (!u)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3516 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3517 v = Py_BuildValue("(zO)", errstr, u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3518 if (!v)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3519 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3520 PyErr_SetObject(PyExc_SyntaxError, v);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3521 exit:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3522 Py_DECREF(loc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3523 Py_XDECREF(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3524 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3525 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3526 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3527
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3528 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3529 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
3530 expr_context_ty ctx)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3531 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3532 int op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3533
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3534 /* XXX this code is duplicated */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3535 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3536 case AugLoad: /* fall through to Load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3537 case Load: op = BINARY_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3538 case AugStore:/* fall through to Store */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3539 case Store: op = STORE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3540 case Del: op = DELETE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3541 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3542 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3543 "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
3544 kind, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3545 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3546 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3547 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
3548 ADDOP(c, DUP_TOP_TWO);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3549 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3550 else if (ctx == AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3551 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3552 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3553 ADDOP(c, op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3554 return 1;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3555 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3556
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3557 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3558 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
3559 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3560 int n = 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3561 assert(s->kind == Slice_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3562
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3563 /* 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
3564 if (s->v.Slice.lower) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3565 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
3566 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3567 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3568 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
3569 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3570
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3571 if (s->v.Slice.upper) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3572 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
3573 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3574 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3575 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
3576 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3577
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3578 if (s->v.Slice.step) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3579 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3580 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
3581 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3582 ADDOP_I(c, BUILD_SLICE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3583 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3584 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3585
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3586 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3587 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
3588 expr_context_ty ctx)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3589 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3590 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3591 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3592 return compiler_slice(c, s, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3593 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3594 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
3595 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3596 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3597 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3598 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3599 "extended slice invalid in nested slice");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3600 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3601 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3602 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3603 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3604
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3605 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3606 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
3607 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3608 char * kindname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3609 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3610 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3611 kindname = "index";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3612 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3613 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
3614 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3615 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3616 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3617 kindname = "slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3618 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3619 if (!compiler_slice(c, s, ctx))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3620 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3621 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3622 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3623 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3624 kindname = "extended slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3625 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3626 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
3627 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3628 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
3629 s->v.ExtSlice.dims, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3630 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
3631 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3632 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3633 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3634 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3635 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3636 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3637 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3638 "invalid subscript kind %d", s->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3639 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3640 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3641 return compiler_handle_subscr(c, kindname, ctx);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3642 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3643
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3644 /* 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
3645
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3646 /* 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
3647 post records the block indices in post-order.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3648
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3649 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
3650 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3651
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3652 struct assembler {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3653 PyObject *a_bytecode; /* string containing bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3654 int a_offset; /* offset into bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3655 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
3656 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
3657 PyObject *a_lnotab; /* string containing lnotab */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3658 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
3659 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
3660 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
3661 };
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3662
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3663 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3664 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
3665 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3666 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3667 struct instr *instr = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3668
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3669 if (b->b_seen)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3670 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3671 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3672 if (b->b_next != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3673 dfs(c, b->b_next, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3674 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
3675 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3676 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
3677 dfs(c, instr->i_target, a);
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 a->a_postorder[a->a_nblocks++] = b;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3680 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3681
35860
9b885c934144 make internal method static
Neal Norwitz <nnorwitz@gmail.com>
parents: 35797
diff changeset
3682 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3683 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
3684 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3685 int i, target_depth;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3686 struct instr *instr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3687 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
3688 return maxdepth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3689 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3690 b->b_startdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3691 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
3692 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3693 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
3694 if (depth > maxdepth)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3695 maxdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3696 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
3697 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
3698 target_depth = depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3699 if (instr->i_opcode == FOR_ITER) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3700 target_depth = depth-2;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3701 } 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
3702 instr->i_opcode == SETUP_EXCEPT) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3703 target_depth = depth+3;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3704 if (target_depth > maxdepth)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3705 maxdepth = target_depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3706 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3707 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
3708 target_depth, maxdepth);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3709 if (instr->i_opcode == JUMP_ABSOLUTE ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3710 instr->i_opcode == JUMP_FORWARD) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3711 goto out; /* remaining code is dead */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3712 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3713 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3714 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3715 if (b->b_next)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3716 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
3717 out:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3718 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3719 return maxdepth;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3720 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3721
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3722 /* 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
3723 * 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
3724 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3725 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3726 stackdepth(struct compiler *c)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3727 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3728 basicblock *b, *entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3729 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3730 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
3731 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3732 b->b_startdepth = INT_MIN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3733 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3734 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3735 if (!entryblock)
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 return stackdepth_walk(c, entryblock, 0, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3738 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3739
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3740 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3741 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
3742 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3743 memset(a, 0, sizeof(struct assembler));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3744 a->a_lineno = firstlineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3745 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
3746 if (!a->a_bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3747 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3748 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
3749 if (!a->a_lnotab)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3750 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3751 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
3752 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3753 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3754 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3755 a->a_postorder = (basicblock **)PyObject_Malloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3756 sizeof(basicblock *) * nblocks);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3757 if (!a->a_postorder) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3758 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3759 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3760 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3761 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3762 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3763
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3764 static void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3765 assemble_free(struct assembler *a)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3766 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3767 Py_XDECREF(a->a_bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3768 Py_XDECREF(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3769 if (a->a_postorder)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3770 PyObject_Free(a->a_postorder);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3771 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3772
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3773 /* 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
3774
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3775 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3776 instrsize(struct instr *instr)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3777 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3778 if (!instr->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3779 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
3780 if (instr->i_oparg > 0xffff)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3781 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
3782 return 3; /* 1 (opcode) + 2 (oparg) */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3783 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3784
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3785 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3786 blocksize(basicblock *b)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3787 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3788 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3789 int size = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3790
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3791 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
3792 size += instrsize(&b->b_instr[i]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3793 return size;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3794 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3795
55372
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 54918
diff changeset
3796 /* 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
3797 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
3798 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
3799
17518
f939ce52a734 Make some private symbols static.
Guido van Rossum <guido@python.org>
parents: 17355
diff changeset
3800 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3801 assemble_lnotab(struct assembler *a, struct instr *i)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3802 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3803 int d_bytecode, d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3804 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3805 unsigned char *lnotab;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3806
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3807 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
3808 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
3809
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3810 assert(d_bytecode >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3811 assert(d_lineno >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3812
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3813 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
3814 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3815
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3816 if (d_bytecode > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3817 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
3818 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
3819 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
3820 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3821 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
3822 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3823 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3824 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3825 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3826 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3827 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3828 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3829 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
3830 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3831 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3832 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3833 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
3834 for (j = 0; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3835 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3836 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3837 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3838 d_bytecode -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3839 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3840 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3841 assert(d_bytecode <= 255);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3842 if (d_lineno > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3843 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
3844 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
3845 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
3846 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3847 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
3848 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3849 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3850 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3851 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3852 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3853 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3854 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3855 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
3856 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3857 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3858 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3859 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
3860 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3861 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3862 d_bytecode = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3863 for (j = 1; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3864 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3865 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3866 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3867 d_lineno -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3868 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3869 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3870
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3871 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
3872 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
3873 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
3874 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3875 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3876 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3877 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
3878
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3879 a->a_lnotab_off += 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3880 if (d_bytecode) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3881 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3882 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3883 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3884 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
3885 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3886 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3887 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3888 a->a_lineno = i->i_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3889 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
3890 return 1;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
3891 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3892
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3893 /* assemble_emit()
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3894 Extend the bytecode with a new instruction.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3895 Update lnotab if necessary.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3896 */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3897
24855
bed5d5e536bc Add warnings for assignment or deletion of variables and attributes
Guido van Rossum <guido@python.org>
parents: 24854
diff changeset
3898 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3899 assemble_emit(struct assembler *a, struct instr *i)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3900 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3901 int size, arg = 0, ext = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3902 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
3903 char *code;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3904
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3905 size = instrsize(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3906 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3907 arg = i->i_oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3908 ext = arg >> 16;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3909 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3910 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
3911 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3912 if (a->a_offset + size >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3913 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
3914 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3915 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
3916 return 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 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
3919 a->a_offset += size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3920 if (size == 6) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3921 assert(i->i_hasarg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3922 *code++ = (char)EXTENDED_ARG;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3923 *code++ = ext & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3924 *code++ = ext >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3925 arg &= 0xffff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3926 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3927 *code++ = i->i_opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3928 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3929 assert(size == 3 || size == 6);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3930 *code++ = arg & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3931 *code++ = arg >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3932 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3933 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
3934 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
3935
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
3936 static void
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
3937 assemble_jump_offsets(struct assembler *a, struct compiler *c)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3938 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3939 basicblock *b;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3940 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
3941 int i;
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 /* 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
3944 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
3945 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3946 totsize = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3947 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
3948 b = a->a_postorder[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3949 bsize = blocksize(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3950 b->b_offset = totsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3951 totsize += bsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3952 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3953 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
3954 extended_arg_count = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3955 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
3956 bsize = b->b_offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3957 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
3958 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
3959 /* Relative jumps are computed relative to
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3960 the instruction pointer after fetching
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3961 the jump instruction.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3962 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3963 bsize += instrsize(instr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3964 if (instr->i_jabs)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3965 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
3966 else if (instr->i_jrel) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3967 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
3968 instr->i_oparg = delta;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3969 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3970 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3971 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3972 if (instr->i_oparg > 0xffff)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3973 extended_arg_count++;
61467
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
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3977 /* 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
3978 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
3979 with a better solution.
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 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
3982 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
3983 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
3984 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
3985
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3986 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
3987 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
3988 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
3989 fairly quickly.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3990 */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59673
diff changeset
3991 } while (last_extended_arg_count != extended_arg_count);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3992 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3993
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3994 static PyObject *
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3995 dict_keys_inorder(PyObject *dict, int offset)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3996 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3997 PyObject *tuple, *k, *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
3998 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
3999
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4000 tuple = PyTuple_New(size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4001 if (tuple == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4002 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4003 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
4004 i = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4005 /* 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
4006 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
4007 k = PyTuple_GET_ITEM(k, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4008 Py_INCREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4009 assert((i - offset) < size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4010 assert((i - offset) >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4011 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
4012 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4013 return tuple;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4014 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4015
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4016 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4017 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
4018 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4019 PySTEntryObject *ste = c->u->u_ste;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4020 int flags = 0, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4021 if (ste->ste_type != ModuleBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4022 flags |= CO_NEWLOCALS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4023 if (ste->ste_type == FunctionBlock) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4024 if (!ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4025 flags |= CO_OPTIMIZED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4026 if (ste->ste_nested)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4027 flags |= CO_NESTED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4028 if (ste->ste_generator)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4029 flags |= CO_GENERATOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4030 if (ste->ste_varargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4031 flags |= CO_VARARGS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4032 if (ste->ste_varkeywords)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4033 flags |= CO_VARKEYWORDS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4034 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4035
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4036 /* (Only) inherit compilerflags in PyCF_MASK */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4037 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
4038
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4039 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
4040 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4041 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4042 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4043 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
4044 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4045 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4046 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4047 flags |= CO_NOFREE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4048 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
4049 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57502
diff changeset
4050
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4051 return flags;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4052 }
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4053
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4054 static PyCodeObject *
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4055 makecode(struct compiler *c, struct assembler *a)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4056 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4057 PyObject *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4058 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4059 PyObject *consts = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4060 PyObject *names = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4061 PyObject *varnames = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4062 PyObject *name = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4063 PyObject *freevars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4064 PyObject *cellvars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4065 PyObject *bytecode = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4066 int nlocals, flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4067
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4068 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
4069 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4070 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4071 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
4072 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4073
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4074 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
4075 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
4076 if (!consts || !names || !varnames)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4077 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4078
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4079 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
4080 if (!cellvars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4081 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4082 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
4083 if (!freevars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4084 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4085 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
4086 flags = compute_code_flags(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4087 if (flags < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4088 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4089
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4090 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
4091 if (!bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4092 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4093
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4094 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
4095 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4096 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4097 Py_DECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4098 consts = tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4099
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4100 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
4101 nlocals, stackdepth(c), flags,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4102 bytecode, consts, names, varnames,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4103 freevars, cellvars,
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
4104 c->c_filename_obj, c->u->u_name,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4105 c->u->u_firstlineno,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4106 a->a_lnotab);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4107 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4108 Py_XDECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4109 Py_XDECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4110 Py_XDECREF(varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4111 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4112 Py_XDECREF(freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4113 Py_XDECREF(cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4114 Py_XDECREF(bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4115 return co;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4116 }
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4117
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4118
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4119 /* For debugging purposes only */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4120 #if 0
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4121 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4122 dump_instr(const struct instr *i)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4123 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4124 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
4125 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
4126 char arg[128];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4127
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4128 *arg = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4129 if (i->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4130 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
4131
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4132 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
4133 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
4134 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4135
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4136 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4137 dump_basicblock(const basicblock *b)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4138 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4139 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
4140 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
4141 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
4142 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
4143 if (b->b_instr) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4144 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4145 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
4146 fprintf(stderr, " [%02d] ", i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4147 dump_instr(b->b_instr + i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4148 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4149 }
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4150 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4151 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38673
diff changeset
4152
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4153 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4154 assemble(struct compiler *c, int addNone)
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4155 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4156 basicblock *b, *entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4157 struct assembler a;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4158 int i, j, nblocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4159 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4160
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4161 /* 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
4162 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
4163 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
4164 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4165 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
4166 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4167 if (addNone)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4168 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
4169 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4170 }
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 nblocks = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4173 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4174 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
4175 nblocks++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4176 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4177 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4178
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4179 /* 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
4180 if (!c->u->u_firstlineno) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4181 if (entryblock && entryblock->b_instr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4182 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
4183 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4184 c->u->u_firstlineno = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4185 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4186 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
4187 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4188 dfs(c, entryblock, &a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4189
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4190 /* 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
4191 assemble_jump_offsets(&a, c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4192
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4193 /* 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
4194 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
4195 b = a.a_postorder[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4196 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
4197 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
4198 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4199 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4200
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4201 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
4202 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4203 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
4204 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4205
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4206 co = makecode(c, &a);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35310
diff changeset
4207 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4208 assemble_free(&a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57502
diff changeset
4209 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
4210 }
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
4211
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
4212 #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
4213 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
4214 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
4215 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
4216 {
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
4217 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
4218 }
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
4219
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
4220