Mercurial > cpython-lru_cache-weakref
annotate Python/ceval.c @ 74364:315781cd72fa
NULL and no exception set from tp_iternext means StopIteration
| author | Benjamin Peterson <benjamin@python.org> |
|---|---|
| date | Fri, 13 Jan 2012 14:54:31 -0500 |
| parents | d64ac9ab4cd0 |
| children | fbb38a476713 |
| rev | line source |
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| 86 | 2 /* Execute compiled code */ |
| 69 | 3 |
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4 /* XXX TO DO: |
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5 XXX speed up searching for keywords by using a dictionary |
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6 XXX document it! |
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7 */ |
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8 |
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9 /* enable more aggressive intra-module optimizations, where available */ |
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10 #define PY_LOCAL_AGGRESSIVE |
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| 5368 | 12 #include "Python.h" |
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14 #include "code.h" |
| 86 | 15 #include "frameobject.h" |
| 69 | 16 #include "opcode.h" |
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17 #include "structmember.h" |
| 69 | 18 |
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19 #include <ctype.h> |
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21 #ifndef WITH_TSC |
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22 |
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23 #define READ_TIMESTAMP(var) |
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24 |
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25 #else |
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26 |
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27 typedef unsigned long long uint64; |
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28 |
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#11565: Fix several typos. Patch by Piotr Kasprzyk.
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29 /* PowerPC support. |
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30 "__ppc__" appears to be the preprocessor definition to detect on OS X, whereas |
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31 "__powerpc__" appears to be the correct one for Linux with GCC |
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32 */ |
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33 #if defined(__ppc__) || defined (__powerpc__) |
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35 #define READ_TIMESTAMP(var) ppc_getcounter(&var) |
| 33104 | 36 |
| 37 static void | |
| 38 ppc_getcounter(uint64 *v) | |
| 39 { | |
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40 register unsigned long tbu, tb, tbu2; |
| 33104 | 41 |
| 42 loop: | |
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43 asm volatile ("mftbu %0" : "=r" (tbu) ); |
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44 asm volatile ("mftb %0" : "=r" (tb) ); |
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45 asm volatile ("mftbu %0" : "=r" (tbu2)); |
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46 if (__builtin_expect(tbu != tbu2, 0)) goto loop; |
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47 |
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48 /* The slightly peculiar way of writing the next lines is |
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49 compiled better by GCC than any other way I tried. */ |
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50 ((long*)(v))[0] = tbu; |
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51 ((long*)(v))[1] = tb; |
| 33104 | 52 } |
| 53 | |
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54 #elif defined(__i386__) |
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55 |
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56 /* this is for linux/x86 (and probably any other GCC/x86 combo) */ |
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57 |
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58 #define READ_TIMESTAMP(val) \ |
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59 __asm__ __volatile__("rdtsc" : "=A" (val)) |
| 33104 | 60 |
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61 #elif defined(__x86_64__) |
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62 |
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63 /* for gcc/x86_64, the "A" constraint in DI mode means *either* rax *or* rdx; |
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64 not edx:eax as it does for i386. Since rdtsc puts its result in edx:eax |
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65 even in 64-bit mode, we need to use "a" and "d" for the lower and upper |
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66 32-bit pieces of the result. */ |
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67 |
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68 #define READ_TIMESTAMP(val) \ |
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69 __asm__ __volatile__("rdtsc" : \ |
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70 "=a" (((int*)&(val))[0]), "=d" (((int*)&(val))[1])); |
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71 |
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72 |
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73 #else |
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74 |
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75 #error "Don't know how to implement timestamp counter for this architecture" |
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| 33104 | 77 #endif |
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79 void dump_tsc(int opcode, int ticked, uint64 inst0, uint64 inst1, |
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80 uint64 loop0, uint64 loop1, uint64 intr0, uint64 intr1) |
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81 { |
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82 uint64 intr, inst, loop; |
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83 PyThreadState *tstate = PyThreadState_Get(); |
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84 if (!tstate->interp->tscdump) |
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85 return; |
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86 intr = intr1 - intr0; |
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87 inst = inst1 - inst0 - intr; |
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88 loop = loop1 - loop0 - intr; |
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89 fprintf(stderr, "opcode=%03d t=%d inst=%06lld loop=%06lld\n", |
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90 opcode, ticked, inst, loop); |
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91 } |
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93 #endif |
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94 |
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95 /* Turn this on if your compiler chokes on the big switch: */ |
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96 /* #define CASE_TOO_BIG 1 */ |
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97 |
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98 #ifdef Py_DEBUG |
| 567 | 99 /* For debugging the interpreter: */ |
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100 #define LLTRACE 1 /* Low-level trace feature */ |
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101 #define CHECKEXC 1 /* Double-check exception checking */ |
| 69 | 102 #endif |
| 103 | |
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104 typedef PyObject *(*callproc)(PyObject *, PyObject *, PyObject *); |
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105 |
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106 /* Forward declarations */ |
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107 #ifdef WITH_TSC |
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108 static PyObject * call_function(PyObject ***, int, uint64*, uint64*); |
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109 #else |
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110 static PyObject * call_function(PyObject ***, int); |
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111 #endif |
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112 static PyObject * fast_function(PyObject *, PyObject ***, int, int, int); |
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113 static PyObject * do_call(PyObject *, PyObject ***, int, int); |
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114 static PyObject * ext_do_call(PyObject *, PyObject ***, int, int, int); |
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115 static PyObject * update_keyword_args(PyObject *, int, PyObject ***, |
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116 PyObject *); |
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117 static PyObject * update_star_args(int, int, PyObject *, PyObject ***); |
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118 static PyObject * load_args(PyObject ***, int); |
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119 #define CALL_FLAG_VAR 1 |
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120 #define CALL_FLAG_KW 2 |
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121 |
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122 #ifdef LLTRACE |
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123 static int lltrace; |
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124 static int prtrace(PyObject *, char *); |
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125 #endif |
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126 static int call_trace(Py_tracefunc, PyObject *, PyFrameObject *, |
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127 int, PyObject *); |
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128 static int call_trace_protected(Py_tracefunc, PyObject *, |
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129 PyFrameObject *, int, PyObject *); |
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130 static void call_exc_trace(Py_tracefunc, PyObject *, PyFrameObject *); |
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131 static int maybe_call_line_trace(Py_tracefunc, PyObject *, |
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132 PyFrameObject *, int *, int *, int *); |
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134 static PyObject * cmp_outcome(int, PyObject *, PyObject *); |
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135 static PyObject * import_from(PyObject *, PyObject *); |
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136 static int import_all_from(PyObject *, PyObject *); |
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138 static void format_exc_unbound(PyCodeObject *co, int oparg); |
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139 static PyObject * unicode_concatenate(PyObject *, PyObject *, |
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140 PyFrameObject *, unsigned char *); |
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141 static PyObject * special_lookup(PyObject *, char *, PyObject **); |
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142 |
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143 #define NAME_ERROR_MSG \ |
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144 "name '%.200s' is not defined" |
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145 #define GLOBAL_NAME_ERROR_MSG \ |
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146 "global name '%.200s' is not defined" |
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147 #define UNBOUNDLOCAL_ERROR_MSG \ |
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148 "local variable '%.200s' referenced before assignment" |
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149 #define UNBOUNDFREE_ERROR_MSG \ |
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150 "free variable '%.200s' referenced before assignment" \ |
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151 " in enclosing scope" |
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152 |
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153 /* Dynamic execution profile */ |
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154 #ifdef DYNAMIC_EXECUTION_PROFILE |
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155 #ifdef DXPAIRS |
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156 static long dxpairs[257][256]; |
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157 #define dxp dxpairs[256] |
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158 #else |
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159 static long dxp[256]; |
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160 #endif |
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161 #endif |
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162 |
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163 /* Function call profile */ |
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164 #ifdef CALL_PROFILE |
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165 #define PCALL_NUM 11 |
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166 static int pcall[PCALL_NUM]; |
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167 |
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168 #define PCALL_ALL 0 |
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169 #define PCALL_FUNCTION 1 |
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170 #define PCALL_FAST_FUNCTION 2 |
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171 #define PCALL_FASTER_FUNCTION 3 |
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172 #define PCALL_METHOD 4 |
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173 #define PCALL_BOUND_METHOD 5 |
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174 #define PCALL_CFUNCTION 6 |
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175 #define PCALL_TYPE 7 |
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176 #define PCALL_GENERATOR 8 |
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177 #define PCALL_OTHER 9 |
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178 #define PCALL_POP 10 |
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179 |
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180 /* Notes about the statistics |
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181 |
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182 PCALL_FAST stats |
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183 |
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184 FAST_FUNCTION means no argument tuple needs to be created. |
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185 FASTER_FUNCTION means that the fast-path frame setup code is used. |
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186 |
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187 If there is a method call where the call can be optimized by changing |
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188 the argument tuple and calling the function directly, it gets recorded |
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189 twice. |
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190 |
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191 As a result, the relationship among the statistics appears to be |
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192 PCALL_ALL == PCALL_FUNCTION + PCALL_METHOD - PCALL_BOUND_METHOD + |
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193 PCALL_CFUNCTION + PCALL_TYPE + PCALL_GENERATOR + PCALL_OTHER |
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194 PCALL_FUNCTION > PCALL_FAST_FUNCTION > PCALL_FASTER_FUNCTION |
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195 PCALL_METHOD > PCALL_BOUND_METHOD |
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196 */ |
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197 |
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198 #define PCALL(POS) pcall[POS]++ |
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199 |
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200 PyObject * |
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201 PyEval_GetCallStats(PyObject *self) |
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202 { |
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203 return Py_BuildValue("iiiiiiiiiii", |
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204 pcall[0], pcall[1], pcall[2], pcall[3], |
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205 pcall[4], pcall[5], pcall[6], pcall[7], |
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206 pcall[8], pcall[9], pcall[10]); |
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207 } |
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208 #else |
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209 #define PCALL(O) |
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210 |
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211 PyObject * |
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212 PyEval_GetCallStats(PyObject *self) |
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213 { |
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214 Py_INCREF(Py_None); |
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215 return Py_None; |
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216 } |
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217 #endif |
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218 |
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219 |
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220 #ifdef WITH_THREAD |
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221 #define GIL_REQUEST _Py_atomic_load_relaxed(&gil_drop_request) |
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222 #else |
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223 #define GIL_REQUEST 0 |
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224 #endif |
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226 /* This can set eval_breaker to 0 even though gil_drop_request became |
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227 1. We believe this is all right because the eval loop will release |
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228 the GIL eventually anyway. */ |
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229 #define COMPUTE_EVAL_BREAKER() \ |
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230 _Py_atomic_store_relaxed( \ |
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231 &eval_breaker, \ |
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232 GIL_REQUEST | \ |
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233 _Py_atomic_load_relaxed(&pendingcalls_to_do) | \ |
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234 pending_async_exc) |
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235 |
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236 #ifdef WITH_THREAD |
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237 |
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238 #define SET_GIL_DROP_REQUEST() \ |
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239 do { \ |
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240 _Py_atomic_store_relaxed(&gil_drop_request, 1); \ |
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241 _Py_atomic_store_relaxed(&eval_breaker, 1); \ |
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242 } while (0) |
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243 |
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244 #define RESET_GIL_DROP_REQUEST() \ |
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245 do { \ |
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246 _Py_atomic_store_relaxed(&gil_drop_request, 0); \ |
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247 COMPUTE_EVAL_BREAKER(); \ |
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248 } while (0) |
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249 |
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250 #endif |
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251 |
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252 /* Pending calls are only modified under pending_lock */ |
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253 #define SIGNAL_PENDING_CALLS() \ |
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254 do { \ |
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255 _Py_atomic_store_relaxed(&pendingcalls_to_do, 1); \ |
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256 _Py_atomic_store_relaxed(&eval_breaker, 1); \ |
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257 } while (0) |
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258 |
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259 #define UNSIGNAL_PENDING_CALLS() \ |
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260 do { \ |
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261 _Py_atomic_store_relaxed(&pendingcalls_to_do, 0); \ |
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262 COMPUTE_EVAL_BREAKER(); \ |
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263 } while (0) |
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264 |
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265 #define SIGNAL_ASYNC_EXC() \ |
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266 do { \ |
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267 pending_async_exc = 1; \ |
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268 _Py_atomic_store_relaxed(&eval_breaker, 1); \ |
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269 } while (0) |
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270 |
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271 #define UNSIGNAL_ASYNC_EXC() \ |
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272 do { pending_async_exc = 0; COMPUTE_EVAL_BREAKER(); } while (0) |
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273 |
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274 |
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275 #ifdef WITH_THREAD |
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276 |
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277 #ifdef HAVE_ERRNO_H |
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278 #include <errno.h> |
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279 #endif |
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280 #include "pythread.h" |
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282 static PyThread_type_lock pending_lock = 0; /* for pending calls */ |
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283 static long main_thread = 0; |
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284 /* This single variable consolidates all requests to break out of the fast path |
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285 in the eval loop. */ |
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286 static _Py_atomic_int eval_breaker = {0}; |
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287 /* Request for dropping the GIL */ |
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288 static _Py_atomic_int gil_drop_request = {0}; |
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289 /* Request for running pending calls. */ |
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290 static _Py_atomic_int pendingcalls_to_do = {0}; |
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291 /* Request for looking at the `async_exc` field of the current thread state. |
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292 Guarded by the GIL. */ |
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293 static int pending_async_exc = 0; |
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294 |
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295 #include "ceval_gil.h" |
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296 |
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297 int |
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298 PyEval_ThreadsInitialized(void) |
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299 { |
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300 return gil_created(); |
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301 } |
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302 |
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303 void |
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304 PyEval_InitThreads(void) |
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305 { |
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306 if (gil_created()) |
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307 return; |
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308 create_gil(); |
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309 take_gil(PyThreadState_GET()); |
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310 main_thread = PyThread_get_thread_ident(); |
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311 if (!pending_lock) |
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312 pending_lock = PyThread_allocate_lock(); |
| 926 | 313 } |
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315 void |
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316 _PyEval_FiniThreads(void) |
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317 { |
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318 if (!gil_created()) |
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319 return; |
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320 destroy_gil(); |
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321 assert(!gil_created()); |
| 926 | 322 } |
| 323 | |
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324 void |
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325 PyEval_AcquireLock(void) |
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326 { |
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327 PyThreadState *tstate = PyThreadState_GET(); |
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328 if (tstate == NULL) |
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329 Py_FatalError("PyEval_AcquireLock: current thread state is NULL"); |
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330 take_gil(tstate); |
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331 } |
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332 |
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333 void |
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334 PyEval_ReleaseLock(void) |
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335 { |
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336 /* This function must succeed when the current thread state is NULL. |
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337 We therefore avoid PyThreadState_GET() which dumps a fatal error |
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338 in debug mode. |
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339 */ |
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340 drop_gil((PyThreadState*)_Py_atomic_load_relaxed( |
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341 &_PyThreadState_Current)); |
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342 } |
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343 |
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344 void |
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345 PyEval_AcquireThread(PyThreadState *tstate) |
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346 { |
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347 if (tstate == NULL) |
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348 Py_FatalError("PyEval_AcquireThread: NULL new thread state"); |
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349 /* Check someone has called PyEval_InitThreads() to create the lock */ |
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350 assert(gil_created()); |
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351 take_gil(tstate); |
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352 if (PyThreadState_Swap(tstate) != NULL) |
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353 Py_FatalError( |
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354 "PyEval_AcquireThread: non-NULL old thread state"); |
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355 } |
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356 |
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357 void |
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358 PyEval_ReleaseThread(PyThreadState *tstate) |
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359 { |
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360 if (tstate == NULL) |
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361 Py_FatalError("PyEval_ReleaseThread: NULL thread state"); |
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362 if (PyThreadState_Swap(NULL) != tstate) |
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363 Py_FatalError("PyEval_ReleaseThread: wrong thread state"); |
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364 drop_gil(tstate); |
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365 } |
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366 |
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367 /* This function is called from PyOS_AfterFork to ensure that newly |
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368 created child processes don't hold locks referring to threads which |
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369 are not running in the child process. (This could also be done using |
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370 pthread_atfork mechanism, at least for the pthreads implementation.) */ |
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371 |
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372 void |
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373 PyEval_ReInitThreads(void) |
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374 { |
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375 _Py_IDENTIFIER(_after_fork); |
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376 PyObject *threading, *result; |
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377 PyThreadState *tstate = PyThreadState_GET(); |
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378 |
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379 if (!gil_created()) |
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380 return; |
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381 recreate_gil(); |
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382 pending_lock = PyThread_allocate_lock(); |
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383 take_gil(tstate); |
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384 main_thread = PyThread_get_thread_ident(); |
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385 |
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386 /* Update the threading module with the new state. |
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387 */ |
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388 tstate = PyThreadState_GET(); |
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389 threading = PyMapping_GetItemString(tstate->interp->modules, |
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390 "threading"); |
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391 if (threading == NULL) { |
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392 /* threading not imported */ |
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393 PyErr_Clear(); |
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394 return; |
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395 } |
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396 result = _PyObject_CallMethodId(threading, &PyId__after_fork, NULL); |
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397 if (result == NULL) |
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398 PyErr_WriteUnraisable(threading); |
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399 else |
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400 Py_DECREF(result); |
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401 Py_DECREF(threading); |
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402 } |
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403 |
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404 #else |
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405 static _Py_atomic_int eval_breaker = {0}; |
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406 static int pending_async_exc = 0; |
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407 #endif /* WITH_THREAD */ |
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408 |
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409 /* This function is used to signal that async exceptions are waiting to be |
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410 raised, therefore it is also useful in non-threaded builds. */ |
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411 |
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412 void |
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413 _PyEval_SignalAsyncExc(void) |
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414 { |
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415 SIGNAL_ASYNC_EXC(); |
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416 } |
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| 418 /* Functions save_thread and restore_thread are always defined so | |
| 419 dynamically loaded modules needn't be compiled separately for use | |
| 420 with and without threads: */ | |
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421 |
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422 PyThreadState * |
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423 PyEval_SaveThread(void) |
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424 { |
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425 PyThreadState *tstate = PyThreadState_Swap(NULL); |
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426 if (tstate == NULL) |
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427 Py_FatalError("PyEval_SaveThread: NULL tstate"); |
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428 #ifdef WITH_THREAD |
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429 if (gil_created()) |
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430 drop_gil(tstate); |
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431 #endif |
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432 return tstate; |
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433 } |
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434 |
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435 void |
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436 PyEval_RestoreThread(PyThreadState *tstate) |
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437 { |
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438 if (tstate == NULL) |
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439 Py_FatalError("PyEval_RestoreThread: NULL tstate"); |
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440 #ifdef WITH_THREAD |
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441 if (gil_created()) { |
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442 int err = errno; |
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443 take_gil(tstate); |
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444 /* _Py_Finalizing is protected by the GIL */ |
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445 if (_Py_Finalizing && tstate != _Py_Finalizing) { |
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446 drop_gil(tstate); |
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447 PyThread_exit_thread(); |
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448 assert(0); /* unreachable */ |
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449 } |
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450 errno = err; |
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451 } |
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452 #endif |
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453 PyThreadState_Swap(tstate); |
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454 } |
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455 |
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456 |
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457 /* Mechanism whereby asynchronously executing callbacks (e.g. UNIX |
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458 signal handlers or Mac I/O completion routines) can schedule calls |
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459 to a function to be called synchronously. |
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460 The synchronous function is called with one void* argument. |
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461 It should return 0 for success or -1 for failure -- failure should |
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462 be accompanied by an exception. |
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463 |
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464 If registry succeeds, the registry function returns 0; if it fails |
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465 (e.g. due to too many pending calls) it returns -1 (without setting |
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466 an exception condition). |
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467 |
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468 Note that because registry may occur from within signal handlers, |
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469 or other asynchronous events, calling malloc() is unsafe! |
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470 |
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471 #ifdef WITH_THREAD |
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472 Any thread can schedule pending calls, but only the main thread |
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473 will execute them. |
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474 There is no facility to schedule calls to a particular thread, but |
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475 that should be easy to change, should that ever be required. In |
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476 that case, the static variables here should go into the python |
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477 threadstate. |
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478 #endif |
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479 */ |
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480 |
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481 #ifdef WITH_THREAD |
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482 |
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483 /* The WITH_THREAD implementation is thread-safe. It allows |
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484 scheduling to be made from any thread, and even from an executing |
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485 callback. |
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486 */ |
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487 |
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488 #define NPENDINGCALLS 32 |
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489 static struct { |
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490 int (*func)(void *); |
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491 void *arg; |
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492 } pendingcalls[NPENDINGCALLS]; |
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493 static int pendingfirst = 0; |
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494 static int pendinglast = 0; |
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495 |
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496 int |
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497 Py_AddPendingCall(int (*func)(void *), void *arg) |
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498 { |
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499 int i, j, result=0; |
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500 PyThread_type_lock lock = pending_lock; |
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501 |
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502 /* try a few times for the lock. Since this mechanism is used |
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503 * for signal handling (on the main thread), there is a (slim) |
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504 * chance that a signal is delivered on the same thread while we |
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505 * hold the lock during the Py_MakePendingCalls() function. |
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506 * This avoids a deadlock in that case. |
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507 * Note that signals can be delivered on any thread. In particular, |
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508 * on Windows, a SIGINT is delivered on a system-created worker |
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509 * thread. |
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510 * We also check for lock being NULL, in the unlikely case that |
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511 * this function is called before any bytecode evaluation takes place. |
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512 */ |
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513 if (lock != NULL) { |
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514 for (i = 0; i<100; i++) { |
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515 if (PyThread_acquire_lock(lock, NOWAIT_LOCK)) |
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516 break; |
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517 } |
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518 if (i == 100) |
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519 return -1; |
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520 } |
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521 |
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522 i = pendinglast; |
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523 j = (i + 1) % NPENDINGCALLS; |
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524 if (j == pendingfirst) { |
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525 result = -1; /* Queue full */ |
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526 } else { |
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527 pendingcalls[i].func = func; |
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528 pendingcalls[i].arg = arg; |
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529 pendinglast = j; |
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530 } |
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531 /* signal main loop */ |
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532 SIGNAL_PENDING_CALLS(); |
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533 if (lock != NULL) |
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534 PyThread_release_lock(lock); |
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535 return result; |
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536 } |
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537 |
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538 int |
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539 Py_MakePendingCalls(void) |
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540 { |
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541 static int busy = 0; |
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542 int i; |
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543 int r = 0; |
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544 |
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545 if (!pending_lock) { |
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546 /* initial allocation of the lock */ |
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547 pending_lock = PyThread_allocate_lock(); |
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548 if (pending_lock == NULL) |
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549 return -1; |
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550 } |
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551 |
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552 /* only service pending calls on main thread */ |
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553 if (main_thread && PyThread_get_thread_ident() != main_thread) |
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554 return 0; |
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555 /* don't perform recursive pending calls */ |
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556 if (busy) |
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557 return 0; |
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558 busy = 1; |
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559 /* perform a bounded number of calls, in case of recursion */ |
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560 for (i=0; i<NPENDINGCALLS; i++) { |
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561 int j; |
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562 int (*func)(void *); |
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563 void *arg = NULL; |
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564 |
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565 /* pop one item off the queue while holding the lock */ |
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566 PyThread_acquire_lock(pending_lock, WAIT_LOCK); |
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567 j = pendingfirst; |
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568 if (j == pendinglast) { |
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569 func = NULL; /* Queue empty */ |
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570 } else { |
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571 func = pendingcalls[j].func; |
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572 arg = pendingcalls[j].arg; |
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573 pendingfirst = (j + 1) % NPENDINGCALLS; |
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574 } |
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575 if (pendingfirst != pendinglast) |
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576 SIGNAL_PENDING_CALLS(); |
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577 else |
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578 UNSIGNAL_PENDING_CALLS(); |
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579 PyThread_release_lock(pending_lock); |
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580 /* having released the lock, perform the callback */ |
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581 if (func == NULL) |
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582 break; |
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583 r = func(arg); |
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584 if (r) |
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585 break; |
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586 } |
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587 busy = 0; |
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588 return r; |
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589 } |
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590 |
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591 #else /* if ! defined WITH_THREAD */ |
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592 |
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593 /* |
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594 WARNING! ASYNCHRONOUSLY EXECUTING CODE! |
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595 This code is used for signal handling in python that isn't built |
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596 with WITH_THREAD. |
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597 Don't use this implementation when Py_AddPendingCalls() can happen |
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598 on a different thread! |
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599 |
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600 There are two possible race conditions: |
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601 (1) nested asynchronous calls to Py_AddPendingCall() |
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602 (2) AddPendingCall() calls made while pending calls are being processed. |
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603 |
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604 (1) is very unlikely because typically signal delivery |
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605 is blocked during signal handling. So it should be impossible. |
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606 (2) is a real possibility. |
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607 The current code is safe against (2), but not against (1). |
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608 The safety against (2) is derived from the fact that only one |
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609 thread is present, interrupted by signals, and that the critical |
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610 section is protected with the "busy" variable. On Windows, which |
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611 delivers SIGINT on a system thread, this does not hold and therefore |
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612 Windows really shouldn't use this version. |
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613 The two threads could theoretically wiggle around the "busy" variable. |
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614 */ |
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615 |
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616 #define NPENDINGCALLS 32 |
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617 static struct { |
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618 int (*func)(void *); |
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619 void *arg; |
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620 } pendingcalls[NPENDINGCALLS]; |
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621 static volatile int pendingfirst = 0; |
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622 static volatile int pendinglast = 0; |
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623 static _Py_atomic_int pendingcalls_to_do = {0}; |
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624 |
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625 int |
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626 Py_AddPendingCall(int (*func)(void *), void *arg) |
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627 { |
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628 static volatile int busy = 0; |
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629 int i, j; |
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630 /* XXX Begin critical section */ |
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631 if (busy) |
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632 return -1; |
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633 busy = 1; |
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634 i = pendinglast; |
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635 j = (i + 1) % NPENDINGCALLS; |
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636 if (j == pendingfirst) { |
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637 busy = 0; |
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638 return -1; /* Queue full */ |
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639 } |
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640 pendingcalls[i].func = func; |
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641 pendingcalls[i].arg = arg; |
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642 pendinglast = j; |
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643 |
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644 SIGNAL_PENDING_CALLS(); |
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645 busy = 0; |
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646 /* XXX End critical section */ |
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647 return 0; |
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648 } |
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649 |
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650 int |
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651 Py_MakePendingCalls(void) |
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652 { |
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653 static int busy = 0; |
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654 if (busy) |
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655 return 0; |
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656 busy = 1; |
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657 UNSIGNAL_PENDING_CALLS(); |
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658 for (;;) { |
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659 int i; |
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660 int (*func)(void *); |
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661 void *arg; |
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662 i = pendingfirst; |
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663 if (i == pendinglast) |
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664 break; /* Queue empty */ |
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665 func = pendingcalls[i].func; |
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666 arg = pendingcalls[i].arg; |
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667 pendingfirst = (i + 1) % NPENDINGCALLS; |
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668 if (func(arg) < 0) { |
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669 busy = 0; |
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670 SIGNAL_PENDING_CALLS(); /* We're not done yet */ |
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671 return -1; |
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672 } |
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673 } |
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674 busy = 0; |
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675 return 0; |
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676 } |
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677 |
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678 #endif /* WITH_THREAD */ |
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679 |
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680 |
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681 /* The interpreter's recursion limit */ |
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682 |
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683 #ifndef Py_DEFAULT_RECURSION_LIMIT |
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684 #define Py_DEFAULT_RECURSION_LIMIT 1000 |
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685 #endif |
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686 static int recursion_limit = Py_DEFAULT_RECURSION_LIMIT; |
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687 int _Py_CheckRecursionLimit = Py_DEFAULT_RECURSION_LIMIT; |
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688 |
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689 int |
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690 Py_GetRecursionLimit(void) |
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691 { |
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692 return recursion_limit; |
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693 } |
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694 |
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695 void |
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696 Py_SetRecursionLimit(int new_limit) |
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697 { |
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698 recursion_limit = new_limit; |
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699 _Py_CheckRecursionLimit = recursion_limit; |
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700 } |
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701 |
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702 /* the macro Py_EnterRecursiveCall() only calls _Py_CheckRecursiveCall() |
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703 if the recursion_depth reaches _Py_CheckRecursionLimit. |
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704 If USE_STACKCHECK, the macro decrements _Py_CheckRecursionLimit |
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705 to guarantee that _Py_CheckRecursiveCall() is regularly called. |
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706 Without USE_STACKCHECK, there is no need for this. */ |
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707 int |
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708 _Py_CheckRecursiveCall(char *where) |
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709 { |
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710 PyThreadState *tstate = PyThreadState_GET(); |
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711 |
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712 #ifdef USE_STACKCHECK |
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713 if (PyOS_CheckStack()) { |
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714 --tstate->recursion_depth; |
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715 PyErr_SetString(PyExc_MemoryError, "Stack overflow"); |
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716 return -1; |
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717 } |
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718 #endif |
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719 _Py_CheckRecursionLimit = recursion_limit; |
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720 if (tstate->recursion_critical) |
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721 /* Somebody asked that we don't check for recursion. */ |
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722 return 0; |
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723 if (tstate->overflowed) { |
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724 if (tstate->recursion_depth > recursion_limit + 50) { |
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725 /* Overflowing while handling an overflow. Give up. */ |
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726 Py_FatalError("Cannot recover from stack overflow."); |
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727 } |
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728 return 0; |
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729 } |
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730 if (tstate->recursion_depth > recursion_limit) { |
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731 --tstate->recursion_depth; |
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732 tstate->overflowed = 1; |
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733 PyErr_Format(PyExc_RuntimeError, |
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734 "maximum recursion depth exceeded%s", |
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735 where); |
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736 return -1; |
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737 } |
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738 return 0; |
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739 } |
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740 |
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741 /* Status code for main loop (reason for stack unwind) */ |
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742 enum why_code { |
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743 WHY_NOT = 0x0001, /* No error */ |
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744 WHY_EXCEPTION = 0x0002, /* Exception occurred */ |
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745 WHY_RERAISE = 0x0004, /* Exception re-raised by 'finally' */ |
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746 WHY_RETURN = 0x0008, /* 'return' statement */ |
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747 WHY_BREAK = 0x0010, /* 'break' statement */ |
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748 WHY_CONTINUE = 0x0020, /* 'continue' statement */ |
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749 WHY_YIELD = 0x0040, /* 'yield' operator */ |
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750 WHY_SILENCED = 0x0080 /* Exception silenced by 'with' */ |
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751 }; |
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752 |
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753 static void save_exc_state(PyThreadState *, PyFrameObject *); |
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754 static void swap_exc_state(PyThreadState *, PyFrameObject *); |
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755 static void restore_and_clear_exc_state(PyThreadState *, PyFrameObject *); |
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756 static enum why_code do_raise(PyObject *, PyObject *); |
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757 static int unpack_iterable(PyObject *, int, int, PyObject **); |
| 5018 | 758 |
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759 /* Records whether tracing is on for any thread. Counts the number of |
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760 threads for which tstate->c_tracefunc is non-NULL, so if the value |
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761 is 0, we know we don't have to check this thread's c_tracefunc. |
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762 This speeds up the if statement in PyEval_EvalFrameEx() after |
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763 fast_next_opcode*/ |
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764 static int _Py_TracingPossible = 0; |
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765 |
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766 |
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767 |
| 5368 | 768 PyObject * |
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769 PyEval_EvalCode(PyObject *co, PyObject *globals, PyObject *locals) |
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770 { |
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771 return PyEval_EvalCodeEx(co, |
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772 globals, locals, |
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773 (PyObject **)NULL, 0, |
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774 (PyObject **)NULL, 0, |
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775 (PyObject **)NULL, 0, |
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776 NULL, NULL); |
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777 } |
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778 |
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779 |
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780 /* Interpreter main loop */ |
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781 |
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782 PyObject * |
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783 PyEval_EvalFrame(PyFrameObject *f) { |
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784 /* This is for backward compatibility with extension modules that |
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785 used this API; core interpreter code should call |
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786 PyEval_EvalFrameEx() */ |
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787 return PyEval_EvalFrameEx(f, 0); |
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788 } |
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789 |
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790 PyObject * |
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791 PyEval_EvalFrameEx(PyFrameObject *f, int throwflag) |
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792 { |
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793 #ifdef DXPAIRS |
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794 int lastopcode = 0; |
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795 #endif |
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796 register PyObject **stack_pointer; /* Next free slot in value stack */ |
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797 register unsigned char *next_instr; |
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798 register int opcode; /* Current opcode */ |
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799 register int oparg; /* Current opcode argument, if any */ |
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800 register enum why_code why; /* Reason for block stack unwind */ |
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801 register int err; /* Error status -- nonzero if error */ |
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802 register PyObject *x; /* Result object -- NULL if error */ |
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803 register PyObject *v; /* Temporary objects popped off stack */ |
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804 register PyObject *w; |
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805 register PyObject *u; |
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806 register PyObject *t; |
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807 register PyObject **fastlocals, **freevars; |
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808 PyObject *retval = NULL; /* Return value */ |
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809 PyThreadState *tstate = PyThreadState_GET(); |
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810 PyCodeObject *co; |
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811 |
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812 /* when tracing we set things up so that |
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813 |
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814 not (instr_lb <= current_bytecode_offset < instr_ub) |
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815 |
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816 is true when the line being executed has changed. The |
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817 initial values are such as to make this false the first |
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818 time it is tested. */ |
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819 int instr_ub = -1, instr_lb = 0, instr_prev = -1; |
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820 |
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821 unsigned char *first_instr; |
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822 PyObject *names; |
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823 PyObject *consts; |
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173
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824 |
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825 /* Computed GOTOs, or |
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826 the-optimization-commonly-but-improperly-known-as-"threaded code" |
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827 using gcc's labels-as-values extension |
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828 (http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html). |
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829 |
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830 The traditional bytecode evaluation loop uses a "switch" statement, which |
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831 decent compilers will optimize as a single indirect branch instruction |
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832 combined with a lookup table of jump addresses. However, since the |
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833 indirect jump instruction is shared by all opcodes, the CPU will have a |
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834 hard time making the right prediction for where to jump next (actually, |
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835 it will be always wrong except in the uncommon case of a sequence of |
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836 several identical opcodes). |
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837 |
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838 "Threaded code" in contrast, uses an explicit jump table and an explicit |
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839 indirect jump instruction at the end of each opcode. Since the jump |
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840 instruction is at a different address for each opcode, the CPU will make a |
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841 separate prediction for each of these instructions, which is equivalent to |
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842 predicting the second opcode of each opcode pair. These predictions have |
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843 a much better chance to turn out valid, especially in small bytecode loops. |
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844 |
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845 A mispredicted branch on a modern CPU flushes the whole pipeline and |
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846 can cost several CPU cycles (depending on the pipeline depth), |
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847 and potentially many more instructions (depending on the pipeline width). |
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848 A correctly predicted branch, however, is nearly free. |
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849 |
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850 At the time of this writing, the "threaded code" version is up to 15-20% |
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851 faster than the normal "switch" version, depending on the compiler and the |
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852 CPU architecture. |
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853 |
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854 We disable the optimization if DYNAMIC_EXECUTION_PROFILE is defined, |
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855 because it would render the measurements invalid. |
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856 |
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857 |
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858 NOTE: care must be taken that the compiler doesn't try to "optimize" the |
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859 indirect jumps by sharing them between all opcodes. Such optimizations |
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860 can be disabled on gcc by using the -fno-gcse flag (or possibly |
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861 -fno-crossjumping). |
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862 */ |
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863 |
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864 #ifdef DYNAMIC_EXECUTION_PROFILE |
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865 #undef USE_COMPUTED_GOTOS |
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866 #define USE_COMPUTED_GOTOS 0 |
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867 #endif |
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868 |
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869 #ifdef HAVE_COMPUTED_GOTOS |
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870 #ifndef USE_COMPUTED_GOTOS |
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871 #define USE_COMPUTED_GOTOS 1 |
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872 #endif |
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873 #else |
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874 #if defined(USE_COMPUTED_GOTOS) && USE_COMPUTED_GOTOS |
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875 #error "Computed gotos are not supported on this compiler." |
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876 #endif |
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877 #undef USE_COMPUTED_GOTOS |
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878 #define USE_COMPUTED_GOTOS 0 |
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879 #endif |
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880 |
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881 #if USE_COMPUTED_GOTOS |
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882 /* Import the static jump table */ |
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883 #include "opcode_targets.h" |
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884 |
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885 /* This macro is used when several opcodes defer to the same implementation |
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886 (e.g. SETUP_LOOP, SETUP_FINALLY) */ |
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887 #define TARGET_WITH_IMPL(op, impl) \ |
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888 TARGET_##op: \ |
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889 opcode = op; \ |
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890 if (HAS_ARG(op)) \ |
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891 oparg = NEXTARG(); \ |
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892 case op: \ |
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893 goto impl; \ |
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894 |
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895 #define TARGET(op) \ |
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896 TARGET_##op: \ |
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897 opcode = op; \ |
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898 if (HAS_ARG(op)) \ |
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899 oparg = NEXTARG(); \ |
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900 case op: |
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901 |
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902 |
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903 #define DISPATCH() \ |
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904 { \ |
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905 if (!_Py_atomic_load_relaxed(&eval_breaker)) { \ |
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906 FAST_DISPATCH(); \ |
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907 } \ |
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908 continue; \ |
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909 } |
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910 |
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911 #ifdef LLTRACE |
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912 #define FAST_DISPATCH() \ |
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913 { \ |
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914 if (!lltrace && !_Py_TracingPossible) { \ |
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915 f->f_lasti = INSTR_OFFSET(); \ |
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916 goto *opcode_targets[*next_instr++]; \ |
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917 } \ |
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918 goto fast_next_opcode; \ |
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919 } |
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920 #else |
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921 #define FAST_DISPATCH() \ |
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922 { \ |
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923 if (!_Py_TracingPossible) { \ |
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924 f->f_lasti = INSTR_OFFSET(); \ |
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925 goto *opcode_targets[*next_instr++]; \ |
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926 } \ |
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927 goto fast_next_opcode; \ |
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928 } |
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929 #endif |
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930 |
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931 #else |
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932 #define TARGET(op) \ |
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933 case op: |
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934 #define TARGET_WITH_IMPL(op, impl) \ |
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935 /* silence compiler warnings about `impl` unused */ \ |
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936 if (0) goto impl; \ |
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937 case op: |
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938 #define DISPATCH() continue |
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939 #define FAST_DISPATCH() goto fast_next_opcode |
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940 #endif |
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941 |
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942 |
|
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943 /* Tuple access macros */ |
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944 |
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945 #ifndef Py_DEBUG |
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946 #define GETITEM(v, i) PyTuple_GET_ITEM((PyTupleObject *)(v), (i)) |
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947 #else |
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948 #define GETITEM(v, i) PyTuple_GetItem((v), (i)) |
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949 #endif |
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950 |
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951 #ifdef WITH_TSC |
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952 /* Use Pentium timestamp counter to mark certain events: |
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953 inst0 -- beginning of switch statement for opcode dispatch |
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954 inst1 -- end of switch statement (may be skipped) |
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955 loop0 -- the top of the mainloop |
|
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956 loop1 -- place where control returns again to top of mainloop |
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957 (may be skipped) |
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958 intr1 -- beginning of long interruption |
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959 intr2 -- end of long interruption |
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960 |
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961 Many opcodes call out to helper C functions. In some cases, the |
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962 time in those functions should be counted towards the time for the |
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963 opcode, but not in all cases. For example, a CALL_FUNCTION opcode |
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964 calls another Python function; there's no point in charge all the |
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965 bytecode executed by the called function to the caller. |
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966 |
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967 It's hard to make a useful judgement statically. In the presence |
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968 of operator overloading, it's impossible to tell if a call will |
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969 execute new Python code or not. |
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970 |
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971 It's a case-by-case judgement. I'll use intr1 for the following |
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972 cases: |
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973 |
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974 IMPORT_STAR |
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975 IMPORT_FROM |
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976 CALL_FUNCTION (and friends) |
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977 |
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978 */ |
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979 uint64 inst0, inst1, loop0, loop1, intr0 = 0, intr1 = 0; |
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980 int ticked = 0; |
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981 |
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982 READ_TIMESTAMP(inst0); |
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983 READ_TIMESTAMP(inst1); |
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984 READ_TIMESTAMP(loop0); |
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985 READ_TIMESTAMP(loop1); |
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986 |
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987 /* shut up the compiler */ |
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988 opcode = 0; |
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989 #endif |
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990 |
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991 /* Code access macros */ |
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992 |
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993 #define INSTR_OFFSET() ((int)(next_instr - first_instr)) |
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994 #define NEXTOP() (*next_instr++) |
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995 #define NEXTARG() (next_instr += 2, (next_instr[-1]<<8) + next_instr[-2]) |
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996 #define PEEKARG() ((next_instr[2]<<8) + next_instr[1]) |
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997 #define JUMPTO(x) (next_instr = first_instr + (x)) |
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998 #define JUMPBY(x) (next_instr += (x)) |
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999 |
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1000 /* OpCode prediction macros |
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1001 Some opcodes tend to come in pairs thus making it possible to |
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1002 predict the second code when the first is run. For example, |
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1003 COMPARE_OP is often followed by JUMP_IF_FALSE or JUMP_IF_TRUE. And, |
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1004 those opcodes are often followed by a POP_TOP. |
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1006 Verifying the prediction costs a single high-speed test of a register |
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1007 variable against a constant. If the pairing was good, then the |
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1008 processor's own internal branch predication has a high likelihood of |
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1009 success, resulting in a nearly zero-overhead transition to the |
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1010 next opcode. A successful prediction saves a trip through the eval-loop |
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1011 including its two unpredictable branches, the HAS_ARG test and the |
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1012 switch-case. Combined with the processor's internal branch prediction, |
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1013 a successful PREDICT has the effect of making the two opcodes run as if |
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1014 they were a single new opcode with the bodies combined. |
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1016 If collecting opcode statistics, your choices are to either keep the |
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1017 predictions turned-on and interpret the results as if some opcodes |
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1018 had been combined or turn-off predictions so that the opcode frequency |
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1019 counter updates for both opcodes. |
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1021 Opcode prediction is disabled with threaded code, since the latter allows |
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1022 the CPU to record separate branch prediction information for each |
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1023 opcode. |
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1024 |
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1025 */ |
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1027 #if defined(DYNAMIC_EXECUTION_PROFILE) || USE_COMPUTED_GOTOS |
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1028 #define PREDICT(op) if (0) goto PRED_##op |
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1029 #define PREDICTED(op) PRED_##op: |
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1030 #define PREDICTED_WITH_ARG(op) PRED_##op: |
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1031 #else |
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1032 #define PREDICT(op) if (*next_instr == op) goto PRED_##op |
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1033 #define PREDICTED(op) PRED_##op: next_instr++ |
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1034 #define PREDICTED_WITH_ARG(op) PRED_##op: oparg = PEEKARG(); next_instr += 3 |
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1035 #endif |
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1036 |
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1038 /* Stack manipulation macros */ |
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1039 |
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1040 /* The stack can grow at most MAXINT deep, as co_nlocals and |
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1041 co_stacksize are ints. */ |
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1042 #define STACK_LEVEL() ((int)(stack_pointer - f->f_valuestack)) |
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1043 #define EMPTY() (STACK_LEVEL() == 0) |
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1044 #define TOP() (stack_pointer[-1]) |
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1045 #define SECOND() (stack_pointer[-2]) |
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1046 #define THIRD() (stack_pointer[-3]) |
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1047 #define FOURTH() (stack_pointer[-4]) |
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1048 #define PEEK(n) (stack_pointer[-(n)]) |
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1049 #define SET_TOP(v) (stack_pointer[-1] = (v)) |
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1050 #define SET_SECOND(v) (stack_pointer[-2] = (v)) |
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1051 #define SET_THIRD(v) (stack_pointer[-3] = (v)) |
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1052 #define SET_FOURTH(v) (stack_pointer[-4] = (v)) |
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1053 #define SET_VALUE(n, v) (stack_pointer[-(n)] = (v)) |
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1054 #define BASIC_STACKADJ(n) (stack_pointer += n) |
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1055 #define BASIC_PUSH(v) (*stack_pointer++ = (v)) |
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1056 #define BASIC_POP() (*--stack_pointer) |
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1057 |
| 567 | 1058 #ifdef LLTRACE |
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1059 #define PUSH(v) { (void)(BASIC_PUSH(v), \ |
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1060 lltrace && prtrace(TOP(), "push")); \ |
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1061 assert(STACK_LEVEL() <= co->co_stacksize); } |
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1062 #define POP() ((void)(lltrace && prtrace(TOP(), "pop")), \ |
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1063 BASIC_POP()) |
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1064 #define STACKADJ(n) { (void)(BASIC_STACKADJ(n), \ |
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1065 lltrace && prtrace(TOP(), "stackadj")); \ |
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1066 assert(STACK_LEVEL() <= co->co_stacksize); } |
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1067 #define EXT_POP(STACK_POINTER) ((void)(lltrace && \ |
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1068 prtrace((STACK_POINTER)[-1], "ext_pop")), \ |
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1069 *--(STACK_POINTER)) |
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1070 #else |
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1071 #define PUSH(v) BASIC_PUSH(v) |
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1072 #define POP() BASIC_POP() |
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1073 #define STACKADJ(n) BASIC_STACKADJ(n) |
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1074 #define EXT_POP(STACK_POINTER) (*--(STACK_POINTER)) |
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1075 #endif |
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1077 /* Local variable macros */ |
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1079 #define GETLOCAL(i) (fastlocals[i]) |
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1081 /* The SETLOCAL() macro must not DECREF the local variable in-place and |
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1082 then store the new value; it must copy the old value to a temporary |
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1083 value, then store the new value, and then DECREF the temporary value. |
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1084 This is because it is possible that during the DECREF the frame is |
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1085 accessed by other code (e.g. a __del__ method or gc.collect()) and the |
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1086 variable would be pointing to already-freed memory. */ |
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1087 #define SETLOCAL(i, value) do { PyObject *tmp = GETLOCAL(i); \ |
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1088 GETLOCAL(i) = value; \ |
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1089 Py_XDECREF(tmp); } while (0) |
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1092 #define UNWIND_BLOCK(b) \ |
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1093 while (STACK_LEVEL() > (b)->b_level) { \ |
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1094 PyObject *v = POP(); \ |
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1095 Py_XDECREF(v); \ |
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1096 } |
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1098 #define UNWIND_EXCEPT_HANDLER(b) \ |
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1099 { \ |
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1100 PyObject *type, *value, *traceback; \ |
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1101 assert(STACK_LEVEL() >= (b)->b_level + 3); \ |
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1102 while (STACK_LEVEL() > (b)->b_level + 3) { \ |
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1103 value = POP(); \ |
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1104 Py_XDECREF(value); \ |
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1105 } \ |
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1106 type = tstate->exc_type; \ |
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1107 value = tstate->exc_value; \ |
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1108 traceback = tstate->exc_traceback; \ |
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1109 tstate->exc_type = POP(); \ |
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1110 tstate->exc_value = POP(); \ |
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1111 tstate->exc_traceback = POP(); \ |
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1112 Py_XDECREF(type); \ |
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1113 Py_XDECREF(value); \ |
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1114 Py_XDECREF(traceback); \ |
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1115 } |
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1117 /* Start of code */ |
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1118 |
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1119 /* push frame */ |
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1120 if (Py_EnterRecursiveCall("")) |
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1121 return NULL; |
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1122 |
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1123 tstate->frame = f; |
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1124 |
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1125 if (tstate->use_tracing) { |
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1126 if (tstate->c_tracefunc != NULL) { |
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1127 /* tstate->c_tracefunc, if defined, is a |
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1128 function that will be called on *every* entry |
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1129 to a code block. Its return value, if not |
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1130 None, is a function that will be called at |
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1131 the start of each executed line of code. |
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1132 (Actually, the function must return itself |
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1133 in order to continue tracing.) The trace |
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1134 functions are called with three arguments: |
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1135 a pointer to the current frame, a string |
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1136 indicating why the function is called, and |
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1137 an argument which depends on the situation. |
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1138 The global trace function is also called |
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1139 whenever an exception is detected. */ |
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1140 if (call_trace_protected(tstate->c_tracefunc, |
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1141 tstate->c_traceobj, |
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1142 f, PyTrace_CALL, Py_None)) { |
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1143 /* Trace function raised an error */ |
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1144 goto exit_eval_frame; |
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1145 } |
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1146 } |
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1147 if (tstate->c_profilefunc != NULL) { |
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1148 /* Similar for c_profilefunc, except it needn't |
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1149 return itself and isn't called for "line" events */ |
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1150 if (call_trace_protected(tstate->c_profilefunc, |
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1151 tstate->c_profileobj, |
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1152 f, PyTrace_CALL, Py_None)) { |
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1153 /* Profile function raised an error */ |
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1154 goto exit_eval_frame; |
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1155 } |
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1156 } |
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1157 } |
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1158 |
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1159 co = f->f_code; |
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1160 names = co->co_names; |
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1161 consts = co->co_consts; |
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1162 fastlocals = f->f_localsplus; |
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1163 freevars = f->f_localsplus + co->co_nlocals; |
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1164 first_instr = (unsigned char*) PyBytes_AS_STRING(co->co_code); |
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1165 /* An explanation is in order for the next line. |
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1166 |
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1167 f->f_lasti now refers to the index of the last instruction |
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1168 executed. You might think this was obvious from the name, but |
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1169 this wasn't always true before 2.3! PyFrame_New now sets |
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1170 f->f_lasti to -1 (i.e. the index *before* the first instruction) |
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1171 and YIELD_VALUE doesn't fiddle with f_lasti any more. So this |
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1172 does work. Promise. |
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1173 |
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1174 When the PREDICT() macros are enabled, some opcode pairs follow in |
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1175 direct succession without updating f->f_lasti. A successful |
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1176 prediction effectively links the two codes together as if they |
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1177 were a single new opcode; accordingly,f->f_lasti will point to |
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1178 the first code in the pair (for instance, GET_ITER followed by |
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1179 FOR_ITER is effectively a single opcode and f->f_lasti will point |
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1180 at to the beginning of the combined pair.) |
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1181 */ |
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1182 next_instr = first_instr + f->f_lasti + 1; |
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1183 stack_pointer = f->f_stacktop; |
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1184 assert(stack_pointer != NULL); |
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1185 f->f_stacktop = NULL; /* remains NULL unless yield suspends frame */ |
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1186 |
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1187 if (co->co_flags & CO_GENERATOR && !throwflag) { |
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1188 if (f->f_exc_type != NULL && f->f_exc_type != Py_None) { |
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1189 /* We were in an except handler when we left, |
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1190 restore the exception state which was put aside |
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1191 (see YIELD_VALUE). */ |
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1192 swap_exc_state(tstate, f); |
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1193 } |
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1194 else |
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1195 save_exc_state(tstate, f); |
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1196 } |
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1197 |
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1198 #ifdef LLTRACE |
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1199 lltrace = PyDict_GetItemString(f->f_globals, "__lltrace__") != NULL; |
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1200 #endif |
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1201 |
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1202 why = WHY_NOT; |
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1203 err = 0; |
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1204 x = Py_None; /* Not a reference, just anything non-NULL */ |
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1205 w = NULL; |
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1206 |
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1207 if (throwflag) { /* support for generator.throw() */ |
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1208 why = WHY_EXCEPTION; |
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1209 goto on_error; |
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1210 } |
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1211 |
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1212 for (;;) { |
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1213 #ifdef WITH_TSC |
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1214 if (inst1 == 0) { |
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1215 /* Almost surely, the opcode executed a break |
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1216 or a continue, preventing inst1 from being set |
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1217 on the way out of the loop. |
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1218 */ |
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1219 READ_TIMESTAMP(inst1); |
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1220 loop1 = inst1; |
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1221 } |
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1222 dump_tsc(opcode, ticked, inst0, inst1, loop0, loop1, |
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1223 intr0, intr1); |
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1224 ticked = 0; |
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1225 inst1 = 0; |
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1226 intr0 = 0; |
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1227 intr1 = 0; |
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1228 READ_TIMESTAMP(loop0); |
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1229 #endif |
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1230 assert(stack_pointer >= f->f_valuestack); /* else underflow */ |
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1231 assert(STACK_LEVEL() <= co->co_stacksize); /* else overflow */ |
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1232 |
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1233 /* Do periodic things. Doing this every time through |
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1234 the loop would add too much overhead, so we do it |
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1235 only every Nth instruction. We also do it if |
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1236 ``pendingcalls_to_do'' is set, i.e. when an asynchronous |
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1237 event needs attention (e.g. a signal handler or |
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1238 async I/O handler); see Py_AddPendingCall() and |
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1239 Py_MakePendingCalls() above. */ |
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1240 |
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1241 if (_Py_atomic_load_relaxed(&eval_breaker)) { |
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1242 if (*next_instr == SETUP_FINALLY) { |
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1243 /* Make the last opcode before |
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1244 a try: finally: block uninterruptible. */ |
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1245 goto fast_next_opcode; |
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1246 } |
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1247 tstate->tick_counter++; |
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1248 #ifdef WITH_TSC |
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1249 ticked = 1; |
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1250 #endif |
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1251 if (_Py_atomic_load_relaxed(&pendingcalls_to_do)) { |
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1252 if (Py_MakePendingCalls() < 0) { |
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1253 why = WHY_EXCEPTION; |
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1254 goto on_error; |
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1255 } |
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1256 } |
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1257 #ifdef WITH_THREAD |
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1258 if (_Py_atomic_load_relaxed(&gil_drop_request)) { |
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1259 /* Give another thread a chance */ |
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1260 if (PyThreadState_Swap(NULL) != tstate) |
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1261 Py_FatalError("ceval: tstate mix-up"); |
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1262 drop_gil(tstate); |
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1263 |
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1264 /* Other threads may run now */ |
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1265 |
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1266 take_gil(tstate); |
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1267 if (PyThreadState_Swap(tstate) != NULL) |
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1268 Py_FatalError("ceval: orphan tstate"); |
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1269 } |
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1270 #endif |
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1271 /* Check for asynchronous exceptions. */ |
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1272 if (tstate->async_exc != NULL) { |
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1273 x = tstate->async_exc; |
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1274 tstate->async_exc = NULL; |
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1275 UNSIGNAL_ASYNC_EXC(); |
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1276 PyErr_SetNone(x); |
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1277 Py_DECREF(x); |
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1278 why = WHY_EXCEPTION; |
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1279 goto on_error; |
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1280 } |
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1281 } |
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1282 |
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1283 fast_next_opcode: |
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1284 f->f_lasti = INSTR_OFFSET(); |
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1285 |
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1286 /* line-by-line tracing support */ |
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1287 |
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1288 if (_Py_TracingPossible && |
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1289 tstate->c_tracefunc != NULL && !tstate->tracing) { |
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1290 /* see maybe_call_line_trace |
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1291 for expository comments */ |
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1292 f->f_stacktop = stack_pointer; |
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1293 |
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1294 err = maybe_call_line_trace(tstate->c_tracefunc, |
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1295 tstate->c_traceobj, |
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1296 f, &instr_lb, &instr_ub, |
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1297 &instr_prev); |
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1298 /* Reload possibly changed frame fields */ |
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1299 JUMPTO(f->f_lasti); |
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1300 if (f->f_stacktop != NULL) { |
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1301 stack_pointer = f->f_stacktop; |
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1302 f->f_stacktop = NULL; |
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1303 } |
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1304 if (err) { |
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1305 /* trace function raised an exception */ |
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1306 goto on_error; |
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1307 } |
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1308 } |
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1309 |
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1310 /* Extract opcode and argument */ |
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1311 |
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1312 opcode = NEXTOP(); |
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1313 oparg = 0; /* allows oparg to be stored in a register because |
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1314 it doesn't have to be remembered across a full loop */ |
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1315 if (HAS_ARG(opcode)) |
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1316 oparg = NEXTARG(); |
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1317 dispatch_opcode: |
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1318 #ifdef DYNAMIC_EXECUTION_PROFILE |
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1319 #ifdef DXPAIRS |
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1320 dxpairs[lastopcode][opcode]++; |
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1321 lastopcode = opcode; |
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1322 #endif |
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1323 dxp[opcode]++; |
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1324 #endif |
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1325 |
| 567 | 1326 #ifdef LLTRACE |
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1327 /* Instruction tracing */ |
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1328 |
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1329 if (lltrace) { |
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1330 if (HAS_ARG(opcode)) { |
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1331 printf("%d: %d, %d\n", |
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1332 f->f_lasti, opcode, oparg); |
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1333 } |
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1334 else { |
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1335 printf("%d: %d\n", |
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1336 f->f_lasti, opcode); |
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1337 } |
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1338 } |
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1339 #endif |
| 24844 | 1340 |
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1341 /* Main switch on opcode */ |
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1342 READ_TIMESTAMP(inst0); |
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1343 |
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1344 switch (opcode) { |
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1345 |
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1346 /* BEWARE! |
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1347 It is essential that any operation that fails sets either |
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1348 x to NULL, err to nonzero, or why to anything but WHY_NOT, |
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1349 and that no operation that succeeds does this! */ |
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1350 |
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1351 TARGET(NOP) |
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1352 FAST_DISPATCH(); |
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1353 |
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1354 TARGET(LOAD_FAST) |
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1355 x = GETLOCAL(oparg); |
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1356 if (x != NULL) { |
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1357 Py_INCREF(x); |
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1358 PUSH(x); |
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1359 FAST_DISPATCH(); |
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1360 } |
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1361 format_exc_check_arg(PyExc_UnboundLocalError, |
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1362 UNBOUNDLOCAL_ERROR_MSG, |
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1363 PyTuple_GetItem(co->co_varnames, oparg)); |
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1364 break; |
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1365 |
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1366 TARGET(LOAD_CONST) |
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1367 x = GETITEM(consts, oparg); |
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1368 Py_INCREF(x); |
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1369 PUSH(x); |
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1370 FAST_DISPATCH(); |
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1371 |
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1372 PREDICTED_WITH_ARG(STORE_FAST); |
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1373 TARGET(STORE_FAST) |
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1374 v = POP(); |
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1375 SETLOCAL(oparg, v); |
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1376 FAST_DISPATCH(); |
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1377 |
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1378 TARGET(POP_TOP) |
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1379 v = POP(); |
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1380 Py_DECREF(v); |
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1381 FAST_DISPATCH(); |
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1382 |
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1383 TARGET(ROT_TWO) |
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1384 v = TOP(); |
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1385 w = SECOND(); |
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1386 SET_TOP(w); |
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1387 SET_SECOND(v); |
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1388 FAST_DISPATCH(); |
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1389 |
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1390 TARGET(ROT_THREE) |
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1391 v = TOP(); |
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1392 w = SECOND(); |
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1393 x = THIRD(); |
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1394 SET_TOP(w); |
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1395 SET_SECOND(x); |
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1396 SET_THIRD(v); |
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1397 FAST_DISPATCH(); |
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1398 |
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1399 TARGET(DUP_TOP) |
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1400 v = TOP(); |
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1401 Py_INCREF(v); |
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1402 PUSH(v); |
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1403 FAST_DISPATCH(); |
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1404 |
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1405 TARGET(DUP_TOP_TWO) |
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1406 x = TOP(); |
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1407 Py_INCREF(x); |
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1408 w = SECOND(); |
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1409 Py_INCREF(w); |
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1410 STACKADJ(2); |
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1411 SET_TOP(x); |
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1412 SET_SECOND(w); |
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1413 FAST_DISPATCH(); |
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1414 |
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1415 TARGET(UNARY_POSITIVE) |
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1416 v = TOP(); |
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1417 x = PyNumber_Positive(v); |
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1418 Py_DECREF(v); |
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1419 SET_TOP(x); |
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1420 if (x != NULL) DISPATCH(); |
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1421 break; |
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1422 |
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1423 TARGET(UNARY_NEGATIVE) |
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1424 v = TOP(); |
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1425 x = PyNumber_Negative(v); |
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1426 Py_DECREF(v); |
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1427 SET_TOP(x); |
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1428 if (x != NULL) DISPATCH(); |
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1429 break; |
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1430 |
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1431 TARGET(UNARY_NOT) |
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1432 v = TOP(); |
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1433 err = PyObject_IsTrue(v); |
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1434 Py_DECREF(v); |
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1435 if (err == 0) { |
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1436 Py_INCREF(Py_True); |
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1437 SET_TOP(Py_True); |
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1438 DISPATCH(); |
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1439 } |
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1440 else if (err > 0) { |
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1441 Py_INCREF(Py_False); |
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1442 SET_TOP(Py_False); |
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1443 err = 0; |
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1444 DISPATCH(); |
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1445 } |
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1446 STACKADJ(-1); |
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1447 break; |
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1448 |
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1449 TARGET(UNARY_INVERT) |
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1450 v = TOP(); |
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1451 x = PyNumber_Invert(v); |
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1452 Py_DECREF(v); |
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1453 SET_TOP(x); |
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1454 if (x != NULL) DISPATCH(); |
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1455 break; |
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1456 |
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1457 TARGET(BINARY_POWER) |
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1458 w = POP(); |
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1459 v = TOP(); |
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1460 x = PyNumber_Power(v, w, Py_None); |
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1461 Py_DECREF(v); |
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1462 Py_DECREF(w); |
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1463 SET_TOP(x); |
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1464 if (x != NULL) DISPATCH(); |
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1465 break; |
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1466 |
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1467 TARGET(BINARY_MULTIPLY) |
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1468 w = POP(); |
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1469 v = TOP(); |
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1470 x = PyNumber_Multiply(v, w); |
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1471 Py_DECREF(v); |
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1472 Py_DECREF(w); |
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1473 SET_TOP(x); |
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1474 if (x != NULL) DISPATCH(); |
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1475 break; |
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1476 |
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1477 TARGET(BINARY_TRUE_DIVIDE) |
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1478 w = POP(); |
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1479 v = TOP(); |
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1480 x = PyNumber_TrueDivide(v, w); |
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1481 Py_DECREF(v); |
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1482 Py_DECREF(w); |
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1483 SET_TOP(x); |
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1484 if (x != NULL) DISPATCH(); |
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1485 break; |
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1486 |
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1487 TARGET(BINARY_FLOOR_DIVIDE) |
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1488 w = POP(); |
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1489 v = TOP(); |
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1490 x = PyNumber_FloorDivide(v, w); |
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1491 Py_DECREF(v); |
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1492 Py_DECREF(w); |
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1493 SET_TOP(x); |
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1494 if (x != NULL) DISPATCH(); |
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1495 break; |
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1496 |
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1497 TARGET(BINARY_MODULO) |
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1498 w = POP(); |
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1499 v = TOP(); |
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1500 if (PyUnicode_CheckExact(v)) |
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1501 x = PyUnicode_Format(v, w); |
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1502 else |
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1503 x = PyNumber_Remainder(v, w); |
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1504 Py_DECREF(v); |
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1505 Py_DECREF(w); |
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1506 SET_TOP(x); |
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1507 if (x != NULL) DISPATCH(); |
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1509 |
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1510 TARGET(BINARY_ADD) |
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1511 w = POP(); |
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1512 v = TOP(); |
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1513 if (PyUnicode_CheckExact(v) && |
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1514 PyUnicode_CheckExact(w)) { |
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1515 x = unicode_concatenate(v, w, f, next_instr); |
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1516 /* unicode_concatenate consumed the ref to v */ |
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1517 goto skip_decref_vx; |
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1518 } |
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1519 else { |
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1520 x = PyNumber_Add(v, w); |
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1521 } |
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1522 Py_DECREF(v); |
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1523 skip_decref_vx: |
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1524 Py_DECREF(w); |
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1525 SET_TOP(x); |
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1526 if (x != NULL) DISPATCH(); |
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1528 |
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1529 TARGET(BINARY_SUBTRACT) |
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1530 w = POP(); |
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1531 v = TOP(); |
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1532 x = PyNumber_Subtract(v, w); |
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1533 Py_DECREF(v); |
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1534 Py_DECREF(w); |
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1535 SET_TOP(x); |
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1536 if (x != NULL) DISPATCH(); |
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1538 |
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1539 TARGET(BINARY_SUBSCR) |
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1540 w = POP(); |
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1541 v = TOP(); |
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1542 x = PyObject_GetItem(v, w); |
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1543 Py_DECREF(v); |
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1544 Py_DECREF(w); |
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1545 SET_TOP(x); |
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1546 if (x != NULL) DISPATCH(); |
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1549 TARGET(BINARY_LSHIFT) |
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1550 w = POP(); |
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1551 v = TOP(); |
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1552 x = PyNumber_Lshift(v, w); |
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1553 Py_DECREF(v); |
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1554 Py_DECREF(w); |
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1555 SET_TOP(x); |
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1556 if (x != NULL) DISPATCH(); |
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1559 TARGET(BINARY_RSHIFT) |
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1560 w = POP(); |
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1561 v = TOP(); |
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1562 x = PyNumber_Rshift(v, w); |
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1563 Py_DECREF(v); |
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1564 Py_DECREF(w); |
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1565 SET_TOP(x); |
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1566 if (x != NULL) DISPATCH(); |
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1567 break; |
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1569 TARGET(BINARY_AND) |
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1570 w = POP(); |
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1571 v = TOP(); |
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1572 x = PyNumber_And(v, w); |
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1573 Py_DECREF(v); |
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1574 Py_DECREF(w); |
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1575 SET_TOP(x); |
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1576 if (x != NULL) DISPATCH(); |
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1579 TARGET(BINARY_XOR) |
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1580 w = POP(); |
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1581 v = TOP(); |
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1582 x = PyNumber_Xor(v, w); |
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1583 Py_DECREF(v); |
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1584 Py_DECREF(w); |
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1585 SET_TOP(x); |
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1586 if (x != NULL) DISPATCH(); |
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1589 TARGET(BINARY_OR) |
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1590 w = POP(); |
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1591 v = TOP(); |
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1592 x = PyNumber_Or(v, w); |
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1593 Py_DECREF(v); |
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1594 Py_DECREF(w); |
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1595 SET_TOP(x); |
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1596 if (x != NULL) DISPATCH(); |
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1599 TARGET(LIST_APPEND) |
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1600 w = POP(); |
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1601 v = PEEK(oparg); |
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1602 err = PyList_Append(v, w); |
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1603 Py_DECREF(w); |
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1604 if (err == 0) { |
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1605 PREDICT(JUMP_ABSOLUTE); |
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1606 DISPATCH(); |
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1607 } |
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1610 TARGET(SET_ADD) |
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1611 w = POP(); |
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1612 v = stack_pointer[-oparg]; |
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1613 err = PySet_Add(v, w); |
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1614 Py_DECREF(w); |
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1615 if (err == 0) { |
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1616 PREDICT(JUMP_ABSOLUTE); |
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1617 DISPATCH(); |
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1618 } |
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1621 TARGET(INPLACE_POWER) |
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1622 w = POP(); |
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1623 v = TOP(); |
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1624 x = PyNumber_InPlacePower(v, w, Py_None); |
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1625 Py_DECREF(v); |
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1626 Py_DECREF(w); |
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1627 SET_TOP(x); |
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1628 if (x != NULL) DISPATCH(); |
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1631 TARGET(INPLACE_MULTIPLY) |
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1632 w = POP(); |
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1633 v = TOP(); |
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1634 x = PyNumber_InPlaceMultiply(v, w); |
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1635 Py_DECREF(v); |
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1636 Py_DECREF(w); |
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1637 SET_TOP(x); |
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1638 if (x != NULL) DISPATCH(); |
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1641 TARGET(INPLACE_TRUE_DIVIDE) |
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1642 w = POP(); |
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1643 v = TOP(); |
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1644 x = PyNumber_InPlaceTrueDivide(v, w); |
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1646 Py_DECREF(w); |
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1651 TARGET(INPLACE_FLOOR_DIVIDE) |
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1653 v = TOP(); |
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|
1654 x = PyNumber_InPlaceFloorDivide(v, w); |
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1655 Py_DECREF(v); |
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1656 Py_DECREF(w); |
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1657 SET_TOP(x); |
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1658 if (x != NULL) DISPATCH(); |
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1659 break; |
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1660 |
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1661 TARGET(INPLACE_MODULO) |
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1662 w = POP(); |
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1663 v = TOP(); |
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1664 x = PyNumber_InPlaceRemainder(v, w); |
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1665 Py_DECREF(v); |
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1666 Py_DECREF(w); |
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1667 SET_TOP(x); |
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1668 if (x != NULL) DISPATCH(); |
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1669 break; |
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1670 |
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1671 TARGET(INPLACE_ADD) |
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1672 w = POP(); |
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1673 v = TOP(); |
|
72605
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1674 if (PyUnicode_CheckExact(v) && |
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1675 PyUnicode_CheckExact(w)) { |
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1676 x = unicode_concatenate(v, w, f, next_instr); |
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1677 /* unicode_concatenate consumed the ref to v */ |
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1678 goto skip_decref_v; |
|
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1679 } |
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1680 else { |
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1681 x = PyNumber_InPlaceAdd(v, w); |
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1682 } |
|
61467
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1683 Py_DECREF(v); |
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1684 skip_decref_v: |
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61467
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1685 Py_DECREF(w); |
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1686 SET_TOP(x); |
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1687 if (x != NULL) DISPATCH(); |
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1688 break; |
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1689 |
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1690 TARGET(INPLACE_SUBTRACT) |
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1691 w = POP(); |
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1692 v = TOP(); |
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1693 x = PyNumber_InPlaceSubtract(v, w); |
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1694 Py_DECREF(v); |
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1695 Py_DECREF(w); |
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1696 SET_TOP(x); |
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1697 if (x != NULL) DISPATCH(); |
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1698 break; |
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1699 |
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1700 TARGET(INPLACE_LSHIFT) |
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1701 w = POP(); |
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1702 v = TOP(); |
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1703 x = PyNumber_InPlaceLshift(v, w); |
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1704 Py_DECREF(v); |
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1705 Py_DECREF(w); |
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1706 SET_TOP(x); |
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1707 if (x != NULL) DISPATCH(); |
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1708 break; |
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1709 |
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1710 TARGET(INPLACE_RSHIFT) |
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1711 w = POP(); |
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1712 v = TOP(); |
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1713 x = PyNumber_InPlaceRshift(v, w); |
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1714 Py_DECREF(v); |
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1715 Py_DECREF(w); |
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1716 SET_TOP(x); |
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1717 if (x != NULL) DISPATCH(); |
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1718 break; |
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1719 |
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1720 TARGET(INPLACE_AND) |
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1721 w = POP(); |
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1722 v = TOP(); |
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1723 x = PyNumber_InPlaceAnd(v, w); |
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1724 Py_DECREF(v); |
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1725 Py_DECREF(w); |
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1726 SET_TOP(x); |
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1727 if (x != NULL) DISPATCH(); |
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1728 break; |
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1729 |
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1730 TARGET(INPLACE_XOR) |
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1731 w = POP(); |
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1732 v = TOP(); |
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1733 x = PyNumber_InPlaceXor(v, w); |
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1734 Py_DECREF(v); |
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1735 Py_DECREF(w); |
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1736 SET_TOP(x); |
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1737 if (x != NULL) DISPATCH(); |
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1738 break; |
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1739 |
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1740 TARGET(INPLACE_OR) |
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1741 w = POP(); |
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1742 v = TOP(); |
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1743 x = PyNumber_InPlaceOr(v, w); |
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1744 Py_DECREF(v); |
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1745 Py_DECREF(w); |
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1746 SET_TOP(x); |
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1747 if (x != NULL) DISPATCH(); |
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1748 break; |
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1749 |
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1750 TARGET(STORE_SUBSCR) |
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1751 w = TOP(); |
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1752 v = SECOND(); |
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1753 u = THIRD(); |
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1754 STACKADJ(-3); |
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1755 /* v[w] = u */ |
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1756 err = PyObject_SetItem(v, w, u); |
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1757 Py_DECREF(u); |
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1758 Py_DECREF(v); |
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1759 Py_DECREF(w); |
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1760 if (err == 0) DISPATCH(); |
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1762 |
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1763 TARGET(DELETE_SUBSCR) |
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1764 w = TOP(); |
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1765 v = SECOND(); |
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1766 STACKADJ(-2); |
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1767 /* del v[w] */ |
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1768 err = PyObject_DelItem(v, w); |
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1769 Py_DECREF(v); |
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1770 Py_DECREF(w); |
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1771 if (err == 0) DISPATCH(); |
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1772 break; |
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1773 |
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1774 TARGET(PRINT_EXPR) |
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1775 v = POP(); |
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1776 w = PySys_GetObject("displayhook"); |
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1777 if (w == NULL) { |
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1778 PyErr_SetString(PyExc_RuntimeError, |
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1779 "lost sys.displayhook"); |
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1780 err = -1; |
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1781 x = NULL; |
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1782 } |
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1783 if (err == 0) { |
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1784 x = PyTuple_Pack(1, v); |
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1785 if (x == NULL) |
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1786 err = -1; |
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1787 } |
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1788 if (err == 0) { |
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1789 w = PyEval_CallObject(w, x); |
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1790 Py_XDECREF(w); |
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1791 if (w == NULL) |
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1792 err = -1; |
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1793 } |
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1794 Py_DECREF(v); |
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1795 Py_XDECREF(x); |
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1796 break; |
|
15811
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1797 |
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14163
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1798 #ifdef CASE_TOO_BIG |
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61467
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1799 default: switch (opcode) { |
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1800 #endif |
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61467
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1801 TARGET(RAISE_VARARGS) |
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1802 v = w = NULL; |
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1803 switch (oparg) { |
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1804 case 2: |
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1805 v = POP(); /* cause */ |
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1806 case 1: |
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1807 w = POP(); /* exc */ |
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1808 case 0: /* Fallthrough */ |
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1809 why = do_raise(w, v); |
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1810 break; |
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1811 default: |
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1812 PyErr_SetString(PyExc_SystemError, |
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1813 "bad RAISE_VARARGS oparg"); |
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1814 why = WHY_EXCEPTION; |
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1815 break; |
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1816 } |
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1817 break; |
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1818 |
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1819 TARGET(STORE_LOCALS) |
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1820 x = POP(); |
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1821 v = f->f_locals; |
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1822 Py_XDECREF(v); |
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1823 f->f_locals = x; |
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1824 DISPATCH(); |
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1825 |
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1826 TARGET(RETURN_VALUE) |
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1827 retval = POP(); |
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1828 why = WHY_RETURN; |
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1829 goto fast_block_end; |
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1830 |
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1831 TARGET(YIELD_FROM) |
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1832 u = POP(); |
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1833 x = PyObject_GetIter(u); |
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1834 Py_DECREF(u); |
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1835 if (x == NULL) |
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1836 break; |
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1837 /* x is now the iterator, make the first next() call */ |
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1838 retval = (*Py_TYPE(x)->tp_iternext)(x); |
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1839 if (!retval) { |
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1840 /* iter may be exhausted */ |
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1841 Py_CLEAR(x); |
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1842 if (PyErr_Occurred() && |
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1843 !PyErr_ExceptionMatches(PyExc_StopIteration)) { |
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1844 /* some other exception */ |
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1845 break; |
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1846 } |
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1847 /* try to get return value from exception */ |
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1848 PyObject *et, *ev, *tb; |
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1849 PyErr_Fetch(&et, &ev, &tb); |
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1850 Py_XDECREF(et); |
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1851 Py_XDECREF(tb); |
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1852 /* u is return value */ |
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1853 u = NULL; |
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1854 if (ev) { |
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1855 u = PyObject_GetAttrString(ev, "value"); |
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1856 Py_DECREF(ev); |
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1857 if (u == NULL) { |
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1858 if (!PyErr_ExceptionMatches(PyExc_AttributeError)) { |
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1859 /* some other exception */ |
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1860 break; |
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1861 } |
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1862 PyErr_Clear(); |
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1863 } |
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1864 } |
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1865 if (u == NULL) { |
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1866 u = Py_None; |
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1867 Py_INCREF(u); |
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1868 } |
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1869 PUSH(u); |
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1870 continue; |
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1871 } |
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1872 /* x is iterator, retval is value to be yielded */ |
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1873 f->f_yieldfrom = x; |
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1874 f->f_stacktop = stack_pointer; |
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1875 why = WHY_YIELD; |
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1876 goto fast_yield; |
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1877 |
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1878 TARGET(YIELD_VALUE) |
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1879 retval = POP(); |
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1880 f->f_stacktop = stack_pointer; |
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1881 why = WHY_YIELD; |
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1882 goto fast_yield; |
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1883 |
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1884 TARGET(POP_EXCEPT) |
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1885 { |
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1886 PyTryBlock *b = PyFrame_BlockPop(f); |
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1887 if (b->b_type != EXCEPT_HANDLER) { |
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1888 PyErr_SetString(PyExc_SystemError, |
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1889 "popped block is not an except handler"); |
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1890 why = WHY_EXCEPTION; |
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1891 break; |
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1892 } |
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1893 UNWIND_EXCEPT_HANDLER(b); |
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1894 } |
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1895 DISPATCH(); |
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1896 |
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1897 TARGET(POP_BLOCK) |
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1898 { |
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1899 PyTryBlock *b = PyFrame_BlockPop(f); |
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1900 UNWIND_BLOCK(b); |
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1901 } |
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1902 DISPATCH(); |
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1903 |
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1904 PREDICTED(END_FINALLY); |
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1905 TARGET(END_FINALLY) |
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1906 v = POP(); |
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1907 if (PyLong_Check(v)) { |
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1908 why = (enum why_code) PyLong_AS_LONG(v); |
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1909 assert(why != WHY_YIELD); |
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1910 if (why == WHY_RETURN || |
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1911 why == WHY_CONTINUE) |
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1912 retval = POP(); |
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1913 if (why == WHY_SILENCED) { |
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1914 /* An exception was silenced by 'with', we must |
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1915 manually unwind the EXCEPT_HANDLER block which was |
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1916 created when the exception was caught, otherwise |
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1917 the stack will be in an inconsistent state. */ |
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1918 PyTryBlock *b = PyFrame_BlockPop(f); |
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1919 assert(b->b_type == EXCEPT_HANDLER); |
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1920 UNWIND_EXCEPT_HANDLER(b); |
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1921 why = WHY_NOT; |
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1922 } |
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1923 } |
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1924 else if (PyExceptionClass_Check(v)) { |
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1925 w = POP(); |
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1926 u = POP(); |
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1927 PyErr_Restore(v, w, u); |
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1928 why = WHY_RERAISE; |
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1929 break; |
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1930 } |
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1931 else if (v != Py_None) { |
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1932 PyErr_SetString(PyExc_SystemError, |
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1933 "'finally' pops bad exception"); |
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1934 why = WHY_EXCEPTION; |
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1935 } |
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1936 Py_DECREF(v); |
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1937 break; |
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1938 |
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1939 TARGET(LOAD_BUILD_CLASS) |
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1940 x = PyDict_GetItemString(f->f_builtins, |
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1941 "__build_class__"); |
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1942 if (x == NULL) { |
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1943 PyErr_SetString(PyExc_ImportError, |
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1944 "__build_class__ not found"); |
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1945 break; |
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1946 } |
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1947 Py_INCREF(x); |
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1948 PUSH(x); |
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1949 break; |
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1950 |
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1951 TARGET(STORE_NAME) |
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1952 w = GETITEM(names, oparg); |
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1953 v = POP(); |
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1954 if ((x = f->f_locals) != NULL) { |
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1955 if (PyDict_CheckExact(x)) |
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1956 err = PyDict_SetItem(x, w, v); |
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1957 else |
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1958 err = PyObject_SetItem(x, w, v); |
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1959 Py_DECREF(v); |
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1960 if (err == 0) DISPATCH(); |
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1961 break; |
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1962 } |
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1963 PyErr_Format(PyExc_SystemError, |
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1964 "no locals found when storing %R", w); |
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1965 break; |
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1966 |
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1967 TARGET(DELETE_NAME) |
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1968 w = GETITEM(names, oparg); |
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1969 if ((x = f->f_locals) != NULL) { |
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1970 if ((err = PyObject_DelItem(x, w)) != 0) |
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1971 format_exc_check_arg(PyExc_NameError, |
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1972 NAME_ERROR_MSG, |
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1973 w); |
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1974 break; |
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1975 } |
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1976 PyErr_Format(PyExc_SystemError, |
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1977 "no locals when deleting %R", w); |
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1978 break; |
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1979 |
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1980 PREDICTED_WITH_ARG(UNPACK_SEQUENCE); |
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1981 TARGET(UNPACK_SEQUENCE) |
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1982 v = POP(); |
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1983 if (PyTuple_CheckExact(v) && |
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1984 PyTuple_GET_SIZE(v) == oparg) { |
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1985 PyObject **items = \ |
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1986 ((PyTupleObject *)v)->ob_item; |
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1987 while (oparg--) { |
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1988 w = items[oparg]; |
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1989 Py_INCREF(w); |
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1990 PUSH(w); |
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1991 } |
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1992 Py_DECREF(v); |
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1993 DISPATCH(); |
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1994 } else if (PyList_CheckExact(v) && |
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1995 PyList_GET_SIZE(v) == oparg) { |
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1996 PyObject **items = \ |
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1997 ((PyListObject *)v)->ob_item; |
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1998 while (oparg--) { |
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1999 w = items[oparg]; |
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2000 Py_INCREF(w); |
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2001 PUSH(w); |
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2002 } |
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2003 } else if (unpack_iterable(v, oparg, -1, |
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2004 stack_pointer + oparg)) { |
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2005 STACKADJ(oparg); |
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2006 } else { |
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2007 /* unpack_iterable() raised an exception */ |
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2008 why = WHY_EXCEPTION; |
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2009 } |
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2010 Py_DECREF(v); |
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2011 break; |
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2012 |
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2013 TARGET(UNPACK_EX) |
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2014 { |
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2015 int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8); |
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2016 v = POP(); |
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2017 |
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2018 if (unpack_iterable(v, oparg & 0xFF, oparg >> 8, |
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2019 stack_pointer + totalargs)) { |
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2020 stack_pointer += totalargs; |
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2021 } else { |
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2022 why = WHY_EXCEPTION; |
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2023 } |
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2024 Py_DECREF(v); |
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2025 break; |
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2026 } |
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2027 |
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2028 TARGET(STORE_ATTR) |
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2029 w = GETITEM(names, oparg); |
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2030 v = TOP(); |
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2031 u = SECOND(); |
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2032 STACKADJ(-2); |
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2033 err = PyObject_SetAttr(v, w, u); /* v.w = u */ |
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2034 Py_DECREF(v); |
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2035 Py_DECREF(u); |
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2036 if (err == 0) DISPATCH(); |
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2037 break; |
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2038 |
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2039 TARGET(DELETE_ATTR) |
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2040 w = GETITEM(names, oparg); |
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2041 v = POP(); |
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2042 err = PyObject_SetAttr(v, w, (PyObject *)NULL); |
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2043 /* del v.w */ |
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2044 Py_DECREF(v); |
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2045 break; |
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2046 |
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2047 TARGET(STORE_GLOBAL) |
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2048 w = GETITEM(names, oparg); |
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2049 v = POP(); |
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2050 err = PyDict_SetItem(f->f_globals, w, v); |
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2051 Py_DECREF(v); |
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2052 if (err == 0) DISPATCH(); |
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2053 break; |
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2054 |
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2055 TARGET(DELETE_GLOBAL) |
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2056 w = GETITEM(names, oparg); |
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2057 if ((err = PyDict_DelItem(f->f_globals, w)) != 0) |
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2058 format_exc_check_arg( |
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2059 PyExc_NameError, GLOBAL_NAME_ERROR_MSG, w); |
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2060 break; |
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2061 |
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2062 TARGET(LOAD_NAME) |
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2063 w = GETITEM(names, oparg); |
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2064 if ((v = f->f_locals) == NULL) { |
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2065 PyErr_Format(PyExc_SystemError, |
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2066 "no locals when loading %R", w); |
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2067 why = WHY_EXCEPTION; |
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2068 break; |
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2069 } |
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2070 if (PyDict_CheckExact(v)) { |
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2071 x = PyDict_GetItem(v, w); |
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2072 Py_XINCREF(x); |
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2073 } |
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2074 else { |
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2075 x = PyObject_GetItem(v, w); |
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2076 if (x == NULL && PyErr_Occurred()) { |
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2077 if (!PyErr_ExceptionMatches( |
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2078 PyExc_KeyError)) |
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2079 break; |
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2080 PyErr_Clear(); |
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2081 } |
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2082 } |
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2083 if (x == NULL) { |
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2084 x = PyDict_GetItem(f->f_globals, w); |
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2085 if (x == NULL) { |
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2086 x = PyDict_GetItem(f->f_builtins, w); |
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2087 if (x == NULL) { |
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2088 format_exc_check_arg( |
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2089 PyExc_NameError, |
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2090 NAME_ERROR_MSG, w); |
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2091 break; |
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2092 } |
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2093 } |
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2094 Py_INCREF(x); |
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2095 } |
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2096 PUSH(x); |
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2097 DISPATCH(); |
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2098 |
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2099 TARGET(LOAD_GLOBAL) |
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2100 w = GETITEM(names, oparg); |
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2101 if (PyUnicode_CheckExact(w)) { |
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2102 /* Inline the PyDict_GetItem() calls. |
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2103 WARNING: this is an extreme speed hack. |
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2104 Do not try this at home. */ |
| 72475 | 2105 Py_hash_t hash = ((PyASCIIObject *)w)->hash; |
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61467
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2106 if (hash != -1) { |
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2107 PyDictObject *d; |
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2108 PyDictEntry *e; |
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2109 d = (PyDictObject *)(f->f_globals); |
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2110 e = d->ma_lookup(d, w, hash); |
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2111 if (e == NULL) { |
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2112 x = NULL; |
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2113 break; |
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2114 } |
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2115 x = e->me_value; |
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2116 if (x != NULL) { |
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2117 Py_INCREF(x); |
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2118 PUSH(x); |
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2119 DISPATCH(); |
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2120 } |
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2121 d = (PyDictObject *)(f->f_builtins); |
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2122 e = d->ma_lookup(d, w, hash); |
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2123 if (e == NULL) { |
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2124 x = NULL; |
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2125 break; |
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2126 } |
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2127 x = e->me_value; |
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2128 if (x != NULL) { |
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2129 Py_INCREF(x); |
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2130 PUSH(x); |
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2131 DISPATCH(); |
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2132 } |
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2133 goto load_global_error; |
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2134 } |
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2135 } |
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2136 /* This is the un-inlined version of the code above */ |
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2137 x = PyDict_GetItem(f->f_globals, w); |
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2138 if (x == NULL) { |
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2139 x = PyDict_GetItem(f->f_builtins, w); |
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2140 if (x == NULL) { |
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2141 load_global_error: |
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2142 format_exc_check_arg( |
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2143 PyExc_NameError, |
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2144 GLOBAL_NAME_ERROR_MSG, w); |
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2145 break; |
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2146 } |
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2147 } |
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2148 Py_INCREF(x); |
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2149 PUSH(x); |
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2150 DISPATCH(); |
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2151 |
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2152 TARGET(DELETE_FAST) |
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2153 x = GETLOCAL(oparg); |
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2154 if (x != NULL) { |
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2155 SETLOCAL(oparg, NULL); |
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2156 DISPATCH(); |
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2157 } |
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2158 format_exc_check_arg( |
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2159 PyExc_UnboundLocalError, |
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2160 UNBOUNDLOCAL_ERROR_MSG, |
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2161 PyTuple_GetItem(co->co_varnames, oparg) |
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2162 ); |
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2163 break; |
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2164 |
|
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2165 TARGET(DELETE_DEREF) |
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2166 x = freevars[oparg]; |
|
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2167 if (PyCell_GET(x) != NULL) { |
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2168 PyCell_Set(x, NULL); |
|
64624
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2169 DISPATCH(); |
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2170 } |
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2171 err = -1; |
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2172 format_exc_unbound(co, oparg); |
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2173 break; |
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2174 |
|
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2175 TARGET(LOAD_CLOSURE) |
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2176 x = freevars[oparg]; |
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2177 Py_INCREF(x); |
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2178 PUSH(x); |
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2179 if (x != NULL) DISPATCH(); |
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2180 break; |
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2181 |
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2182 TARGET(LOAD_DEREF) |
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2183 x = freevars[oparg]; |
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2184 w = PyCell_Get(x); |
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2185 if (w != NULL) { |
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2186 PUSH(w); |
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2187 DISPATCH(); |
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2188 } |
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2189 err = -1; |
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2190 format_exc_unbound(co, oparg); |
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2192 |
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2193 TARGET(STORE_DEREF) |
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2194 w = POP(); |
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2195 x = freevars[oparg]; |
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2196 PyCell_Set(x, w); |
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2197 Py_DECREF(w); |
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2198 DISPATCH(); |
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2199 |
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2200 TARGET(BUILD_TUPLE) |
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2201 x = PyTuple_New(oparg); |
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2202 if (x != NULL) { |
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2203 for (; --oparg >= 0;) { |
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2204 w = POP(); |
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2205 PyTuple_SET_ITEM(x, oparg, w); |
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2206 } |
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2207 PUSH(x); |
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2208 DISPATCH(); |
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2209 } |
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2210 break; |
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2211 |
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2212 TARGET(BUILD_LIST) |
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2213 x = PyList_New(oparg); |
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2214 if (x != NULL) { |
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2215 for (; --oparg >= 0;) { |
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2216 w = POP(); |
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2217 PyList_SET_ITEM(x, oparg, w); |
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2218 } |
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2219 PUSH(x); |
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2220 DISPATCH(); |
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2221 } |
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2222 break; |
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2223 |
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2224 TARGET(BUILD_SET) |
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2225 x = PySet_New(NULL); |
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2226 if (x != NULL) { |
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2227 for (; --oparg >= 0;) { |
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2228 w = POP(); |
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2229 if (err == 0) |
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2230 err = PySet_Add(x, w); |
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2231 Py_DECREF(w); |
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2232 } |
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2233 if (err != 0) { |
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2234 Py_DECREF(x); |
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2235 break; |
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2236 } |
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2237 PUSH(x); |
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2238 DISPATCH(); |
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2239 } |
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2240 break; |
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2241 |
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2242 TARGET(BUILD_MAP) |
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2243 x = _PyDict_NewPresized((Py_ssize_t)oparg); |
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2244 PUSH(x); |
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2245 if (x != NULL) DISPATCH(); |
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2246 break; |
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2247 |
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2248 TARGET(STORE_MAP) |
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2249 w = TOP(); /* key */ |
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2250 u = SECOND(); /* value */ |
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2251 v = THIRD(); /* dict */ |
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2252 STACKADJ(-2); |
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2253 assert (PyDict_CheckExact(v)); |
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2254 err = PyDict_SetItem(v, w, u); /* v[w] = u */ |
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2255 Py_DECREF(u); |
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2256 Py_DECREF(w); |
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2257 if (err == 0) DISPATCH(); |
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2258 break; |
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2259 |
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2260 TARGET(MAP_ADD) |
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2261 w = TOP(); /* key */ |
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2262 u = SECOND(); /* value */ |
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2263 STACKADJ(-2); |
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2264 v = stack_pointer[-oparg]; /* dict */ |
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2265 assert (PyDict_CheckExact(v)); |
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2266 err = PyDict_SetItem(v, w, u); /* v[w] = u */ |
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2267 Py_DECREF(u); |
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2268 Py_DECREF(w); |
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2269 if (err == 0) { |
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2270 PREDICT(JUMP_ABSOLUTE); |
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2271 DISPATCH(); |
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2272 } |
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2273 break; |
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2274 |
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2275 TARGET(LOAD_ATTR) |
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2276 w = GETITEM(names, oparg); |
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2277 v = TOP(); |
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2278 x = PyObject_GetAttr(v, w); |
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2279 Py_DECREF(v); |
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2280 SET_TOP(x); |
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2281 if (x != NULL) DISPATCH(); |
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2282 break; |
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2283 |
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2284 TARGET(COMPARE_OP) |
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2285 w = POP(); |
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2286 v = TOP(); |
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2287 x = cmp_outcome(oparg, v, w); |
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2288 Py_DECREF(v); |
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2289 Py_DECREF(w); |
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2290 SET_TOP(x); |
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2291 if (x == NULL) break; |
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2292 PREDICT(POP_JUMP_IF_FALSE); |
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2293 PREDICT(POP_JUMP_IF_TRUE); |
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2294 DISPATCH(); |
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2295 |
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2296 TARGET(IMPORT_NAME) |
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2297 w = GETITEM(names, oparg); |
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2298 x = PyDict_GetItemString(f->f_builtins, "__import__"); |
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2299 if (x == NULL) { |
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2300 PyErr_SetString(PyExc_ImportError, |
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2301 "__import__ not found"); |
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2303 } |
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2304 Py_INCREF(x); |
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2305 v = POP(); |
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2306 u = TOP(); |
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2307 if (PyLong_AsLong(u) != -1 || PyErr_Occurred()) |
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2308 w = PyTuple_Pack(5, |
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2309 w, |
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2310 f->f_globals, |
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2311 f->f_locals == NULL ? |
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2312 Py_None : f->f_locals, |
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2313 v, |
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2314 u); |
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2315 else |
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2316 w = PyTuple_Pack(4, |
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2317 w, |
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2318 f->f_globals, |
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2319 f->f_locals == NULL ? |
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2320 Py_None : f->f_locals, |
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2321 v); |
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2322 Py_DECREF(v); |
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2323 Py_DECREF(u); |
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2324 if (w == NULL) { |
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2325 u = POP(); |
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2326 Py_DECREF(x); |
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2327 x = NULL; |
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2328 break; |
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2329 } |
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2330 READ_TIMESTAMP(intr0); |
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2331 v = x; |
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2332 x = PyEval_CallObject(v, w); |
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2333 Py_DECREF(v); |
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2334 READ_TIMESTAMP(intr1); |
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2335 Py_DECREF(w); |
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2336 SET_TOP(x); |
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2337 if (x != NULL) DISPATCH(); |
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2338 break; |
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2339 |
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2340 TARGET(IMPORT_STAR) |
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2341 v = POP(); |
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2342 PyFrame_FastToLocals(f); |
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2343 if ((x = f->f_locals) == NULL) { |
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2344 PyErr_SetString(PyExc_SystemError, |
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2345 "no locals found during 'import *'"); |
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2346 break; |
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2347 } |
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2348 READ_TIMESTAMP(intr0); |
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2349 err = import_all_from(x, v); |
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2350 READ_TIMESTAMP(intr1); |
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2351 PyFrame_LocalsToFast(f, 0); |
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2352 Py_DECREF(v); |
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2353 if (err == 0) DISPATCH(); |
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2354 break; |
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2355 |
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2356 TARGET(IMPORT_FROM) |
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2357 w = GETITEM(names, oparg); |
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2358 v = TOP(); |
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2359 READ_TIMESTAMP(intr0); |
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2360 x = import_from(v, w); |
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2361 READ_TIMESTAMP(intr1); |
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2362 PUSH(x); |
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2363 if (x != NULL) DISPATCH(); |
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2364 break; |
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2365 |
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2366 TARGET(JUMP_FORWARD) |
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2367 JUMPBY(oparg); |
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2368 FAST_DISPATCH(); |
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2369 |
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2370 PREDICTED_WITH_ARG(POP_JUMP_IF_FALSE); |
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2371 TARGET(POP_JUMP_IF_FALSE) |
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2372 w = POP(); |
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2373 if (w == Py_True) { |
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2374 Py_DECREF(w); |
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2375 FAST_DISPATCH(); |
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2376 } |
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2377 if (w == Py_False) { |
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2378 Py_DECREF(w); |
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2379 JUMPTO(oparg); |
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2380 FAST_DISPATCH(); |
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2381 } |
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2382 err = PyObject_IsTrue(w); |
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2383 Py_DECREF(w); |
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2384 if (err > 0) |
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2385 err = 0; |
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2386 else if (err == 0) |
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2387 JUMPTO(oparg); |
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2388 else |
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2389 break; |
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2390 DISPATCH(); |
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2391 |
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2392 PREDICTED_WITH_ARG(POP_JUMP_IF_TRUE); |
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2393 TARGET(POP_JUMP_IF_TRUE) |
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2394 w = POP(); |
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2395 if (w == Py_False) { |
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2396 Py_DECREF(w); |
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2397 FAST_DISPATCH(); |
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2398 } |
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2399 if (w == Py_True) { |
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2400 Py_DECREF(w); |
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2401 JUMPTO(oparg); |
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2402 FAST_DISPATCH(); |
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2403 } |
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2404 err = PyObject_IsTrue(w); |
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2405 Py_DECREF(w); |
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2406 if (err > 0) { |
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2407 err = 0; |
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2408 JUMPTO(oparg); |
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2409 } |
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2410 else if (err == 0) |
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2411 ; |
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2412 else |
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2413 break; |
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2414 DISPATCH(); |
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2415 |
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2416 TARGET(JUMP_IF_FALSE_OR_POP) |
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2417 w = TOP(); |
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2418 if (w == Py_True) { |
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2419 STACKADJ(-1); |
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2420 Py_DECREF(w); |
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2421 FAST_DISPATCH(); |
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2422 } |
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2423 if (w == Py_False) { |
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2424 JUMPTO(oparg); |
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2425 FAST_DISPATCH(); |
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2426 } |
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2427 err = PyObject_IsTrue(w); |
|
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2428 if (err > 0) { |
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|
2429 STACKADJ(-1); |
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2430 Py_DECREF(w); |
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2431 err = 0; |
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2432 } |
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2433 else if (err == 0) |
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|
2434 JUMPTO(oparg); |
|
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2435 else |
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2436 break; |
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2437 DISPATCH(); |
|
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2438 |
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2439 TARGET(JUMP_IF_TRUE_OR_POP) |
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2440 w = TOP(); |
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2441 if (w == Py_False) { |
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2442 STACKADJ(-1); |
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2443 Py_DECREF(w); |
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2444 FAST_DISPATCH(); |
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2445 } |
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2446 if (w == Py_True) { |
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2447 JUMPTO(oparg); |
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2448 FAST_DISPATCH(); |
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2449 } |
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2450 err = PyObject_IsTrue(w); |
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2451 if (err > 0) { |
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2452 err = 0; |
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2453 JUMPTO(oparg); |
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2454 } |
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2455 else if (err == 0) { |
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2456 STACKADJ(-1); |
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2457 Py_DECREF(w); |
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2458 } |
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2459 else |
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2460 break; |
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2461 DISPATCH(); |
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2462 |
|
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2463 PREDICTED_WITH_ARG(JUMP_ABSOLUTE); |
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2464 TARGET(JUMP_ABSOLUTE) |
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2465 JUMPTO(oparg); |
|
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2466 #if FAST_LOOPS |
|
61467
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2467 /* Enabling this path speeds-up all while and for-loops by bypassing |
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2468 the per-loop checks for signals. By default, this should be turned-off |
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2469 because it prevents detection of a control-break in tight loops like |
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2470 "while 1: pass". Compile with this option turned-on when you need |
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2471 the speed-up and do not need break checking inside tight loops (ones |
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2472 that contain only instructions ending with FAST_DISPATCH). |
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2473 */ |
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2474 FAST_DISPATCH(); |
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2475 #else |
|
61467
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2476 DISPATCH(); |
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2477 #endif |
|
15948
3bc2440427d3
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|
2478 |
|
61467
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|
2479 TARGET(GET_ITER) |
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2480 /* before: [obj]; after [getiter(obj)] */ |
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2481 v = TOP(); |
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2482 x = PyObject_GetIter(v); |
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|
2483 Py_DECREF(v); |
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2484 if (x != NULL) { |
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2485 SET_TOP(x); |
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2486 PREDICT(FOR_ITER); |
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2487 DISPATCH(); |
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2488 } |
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2489 STACKADJ(-1); |
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|
2490 break; |
|
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2491 |
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|
2492 PREDICTED_WITH_ARG(FOR_ITER); |
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|
2493 TARGET(FOR_ITER) |
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2494 /* before: [iter]; after: [iter, iter()] *or* [] */ |
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2495 v = TOP(); |
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2496 x = (*v->ob_type->tp_iternext)(v); |
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2497 if (x != NULL) { |
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2498 PUSH(x); |
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2499 PREDICT(STORE_FAST); |
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|
2500 PREDICT(UNPACK_SEQUENCE); |
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|
2501 DISPATCH(); |
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2502 } |
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2503 if (PyErr_Occurred()) { |
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2504 if (!PyErr_ExceptionMatches( |
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|
2505 PyExc_StopIteration)) |
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2506 break; |
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|
2507 PyErr_Clear(); |
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2508 } |
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2509 /* iterator ended normally */ |
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2510 x = v = POP(); |
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2511 Py_DECREF(v); |
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2512 JUMPBY(oparg); |
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2513 DISPATCH(); |
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2514 |
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2515 TARGET(BREAK_LOOP) |
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2516 why = WHY_BREAK; |
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2517 goto fast_block_end; |
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2518 |
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2519 TARGET(CONTINUE_LOOP) |
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2520 retval = PyLong_FromLong(oparg); |
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2521 if (!retval) { |
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2522 x = NULL; |
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2523 break; |
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2524 } |
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2525 why = WHY_CONTINUE; |
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2526 goto fast_block_end; |
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2527 |
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2528 TARGET_WITH_IMPL(SETUP_LOOP, _setup_finally) |
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2529 TARGET_WITH_IMPL(SETUP_EXCEPT, _setup_finally) |
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2530 TARGET(SETUP_FINALLY) |
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2531 _setup_finally: |
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2532 /* NOTE: If you add any new block-setup opcodes that |
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2533 are not try/except/finally handlers, you may need |
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2534 to update the PyGen_NeedsFinalizing() function. |
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2535 */ |
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2536 |
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2537 PyFrame_BlockSetup(f, opcode, INSTR_OFFSET() + oparg, |
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2538 STACK_LEVEL()); |
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2539 DISPATCH(); |
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2540 |
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2541 TARGET(SETUP_WITH) |
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2542 { |
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2543 static PyObject *exit, *enter; |
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2544 w = TOP(); |
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2545 x = special_lookup(w, "__exit__", &exit); |
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2546 if (!x) |
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2547 break; |
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2548 SET_TOP(x); |
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2549 u = special_lookup(w, "__enter__", &enter); |
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2550 Py_DECREF(w); |
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2551 if (!u) { |
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2552 x = NULL; |
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2553 break; |
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2554 } |
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2555 x = PyObject_CallFunctionObjArgs(u, NULL); |
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2556 Py_DECREF(u); |
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2557 if (!x) |
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2558 break; |
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2559 /* Setup the finally block before pushing the result |
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2560 of __enter__ on the stack. */ |
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2561 PyFrame_BlockSetup(f, SETUP_FINALLY, INSTR_OFFSET() + oparg, |
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2562 STACK_LEVEL()); |
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2563 |
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2564 PUSH(x); |
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2565 DISPATCH(); |
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2566 } |
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2567 |
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2568 TARGET(WITH_CLEANUP) |
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2569 { |
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2570 /* At the top of the stack are 1-3 values indicating |
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2571 how/why we entered the finally clause: |
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2572 - TOP = None |
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2573 - (TOP, SECOND) = (WHY_{RETURN,CONTINUE}), retval |
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2574 - TOP = WHY_*; no retval below it |
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2575 - (TOP, SECOND, THIRD) = exc_info() |
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2576 (FOURTH, FITH, SIXTH) = previous exception for EXCEPT_HANDLER |
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2577 Below them is EXIT, the context.__exit__ bound method. |
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2578 In the last case, we must call |
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2579 EXIT(TOP, SECOND, THIRD) |
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2580 otherwise we must call |
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2581 EXIT(None, None, None) |
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2582 |
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2583 In the first two cases, we remove EXIT from the |
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2584 stack, leaving the rest in the same order. In the |
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2585 third case, we shift the bottom 3 values of the |
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2586 stack down, and replace the empty spot with NULL. |
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2587 |
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2588 In addition, if the stack represents an exception, |
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2589 *and* the function call returns a 'true' value, we |
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2590 push WHY_SILENCED onto the stack. END_FINALLY will |
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2591 then not re-raise the exception. (But non-local |
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2592 gotos should still be resumed.) |
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2593 */ |
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2594 |
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2595 PyObject *exit_func; |
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2596 u = TOP(); |
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2597 if (u == Py_None) { |
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2598 (void)POP(); |
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2599 exit_func = TOP(); |
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2600 SET_TOP(u); |
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2601 v = w = Py_None; |
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2602 } |
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2603 else if (PyLong_Check(u)) { |
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2604 (void)POP(); |
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2605 switch(PyLong_AsLong(u)) { |
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2606 case WHY_RETURN: |
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2607 case WHY_CONTINUE: |
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2608 /* Retval in TOP. */ |
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2609 exit_func = SECOND(); |
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2610 SET_SECOND(TOP()); |
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2611 SET_TOP(u); |
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2612 break; |
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2613 default: |
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2614 exit_func = TOP(); |
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2615 SET_TOP(u); |
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2616 break; |
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2617 } |
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2618 u = v = w = Py_None; |
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2619 } |
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2620 else { |
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2621 PyObject *tp, *exc, *tb; |
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2622 PyTryBlock *block; |
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2623 v = SECOND(); |
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2624 w = THIRD(); |
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2625 tp = FOURTH(); |
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2626 exc = PEEK(5); |
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2627 tb = PEEK(6); |
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2628 exit_func = PEEK(7); |
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2629 SET_VALUE(7, tb); |
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2630 SET_VALUE(6, exc); |
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2631 SET_VALUE(5, tp); |
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2632 /* UNWIND_EXCEPT_HANDLER will pop this off. */ |
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2633 SET_FOURTH(NULL); |
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2634 /* We just shifted the stack down, so we have |
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2635 to tell the except handler block that the |
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2636 values are lower than it expects. */ |
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2637 block = &f->f_blockstack[f->f_iblock - 1]; |
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2638 assert(block->b_type == EXCEPT_HANDLER); |
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2639 block->b_level--; |
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2640 } |
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2641 /* XXX Not the fastest way to call it... */ |
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2642 x = PyObject_CallFunctionObjArgs(exit_func, u, v, w, |
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2643 NULL); |
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2644 Py_DECREF(exit_func); |
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2645 if (x == NULL) |
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2646 break; /* Go to error exit */ |
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2647 |
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2648 if (u != Py_None) |
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2649 err = PyObject_IsTrue(x); |
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2650 else |
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2651 err = 0; |
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2652 Py_DECREF(x); |
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2653 |
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2654 if (err < 0) |
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2655 break; /* Go to error exit */ |
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2656 else if (err > 0) { |
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2657 err = 0; |
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2658 /* There was an exception and a True return */ |
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2659 PUSH(PyLong_FromLong((long) WHY_SILENCED)); |
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2660 } |
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2661 PREDICT(END_FINALLY); |
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2662 break; |
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2663 } |
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2664 |
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2665 TARGET(CALL_FUNCTION) |
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2666 { |
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2667 PyObject **sp; |
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2668 PCALL(PCALL_ALL); |
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2669 sp = stack_pointer; |
|
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2670 #ifdef WITH_TSC |
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2671 x = call_function(&sp, oparg, &intr0, &intr1); |
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2672 #else |
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2673 x = call_function(&sp, oparg); |
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2674 #endif |
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2675 stack_pointer = sp; |
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2676 PUSH(x); |
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2677 if (x != NULL) |
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2678 DISPATCH(); |
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2679 break; |
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2680 } |
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2681 |
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2682 TARGET_WITH_IMPL(CALL_FUNCTION_VAR, _call_function_var_kw) |
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2683 TARGET_WITH_IMPL(CALL_FUNCTION_KW, _call_function_var_kw) |
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2684 TARGET(CALL_FUNCTION_VAR_KW) |
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2685 _call_function_var_kw: |
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2686 { |
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2687 int na = oparg & 0xff; |
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2688 int nk = (oparg>>8) & 0xff; |
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2689 int flags = (opcode - CALL_FUNCTION) & 3; |
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2690 int n = na + 2 * nk; |
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2691 PyObject **pfunc, *func, **sp; |
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2692 PCALL(PCALL_ALL); |
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2693 if (flags & CALL_FLAG_VAR) |
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2694 n++; |
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2695 if (flags & CALL_FLAG_KW) |
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2696 n++; |
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2697 pfunc = stack_pointer - n - 1; |
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2698 func = *pfunc; |
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2699 |
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2700 if (PyMethod_Check(func) |
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2701 && PyMethod_GET_SELF(func) != NULL) { |
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2702 PyObject *self = PyMethod_GET_SELF(func); |
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2703 Py_INCREF(self); |
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2704 func = PyMethod_GET_FUNCTION(func); |
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2705 Py_INCREF(func); |
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2706 Py_DECREF(*pfunc); |
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2707 *pfunc = self; |
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2708 na++; |
|
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2709 /* n++; */ |
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2710 } else |
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2711 Py_INCREF(func); |
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2712 sp = stack_pointer; |
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2713 READ_TIMESTAMP(intr0); |
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2714 x = ext_do_call(func, &sp, flags, na, nk); |
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2715 READ_TIMESTAMP(intr1); |
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2716 stack_pointer = sp; |
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2717 Py_DECREF(func); |
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2718 |
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2719 while (stack_pointer > pfunc) { |
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2720 w = POP(); |
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2721 Py_DECREF(w); |
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2722 } |
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2723 PUSH(x); |
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2724 if (x != NULL) |
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2725 DISPATCH(); |
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2726 break; |
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2727 } |
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2728 |
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2729 TARGET_WITH_IMPL(MAKE_CLOSURE, _make_function) |
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2730 TARGET(MAKE_FUNCTION) |
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2731 _make_function: |
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2732 { |
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2733 int posdefaults = oparg & 0xff; |
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2734 int kwdefaults = (oparg>>8) & 0xff; |
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2735 int num_annotations = (oparg >> 16) & 0x7fff; |
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2736 |
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2737 w = POP(); /* qualname */ |
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2738 v = POP(); /* code object */ |
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2739 x = PyFunction_NewWithQualName(v, f->f_globals, w); |
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2740 Py_DECREF(v); |
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2741 Py_DECREF(w); |
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2742 |
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2743 if (x != NULL && opcode == MAKE_CLOSURE) { |
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2744 v = POP(); |
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2745 if (PyFunction_SetClosure(x, v) != 0) { |
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2746 /* Can't happen unless bytecode is corrupt. */ |
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2747 why = WHY_EXCEPTION; |
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2748 } |
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2749 Py_DECREF(v); |
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2750 } |
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2751 |
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2752 if (x != NULL && num_annotations > 0) { |
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2753 Py_ssize_t name_ix; |
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2754 u = POP(); /* names of args with annotations */ |
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2755 v = PyDict_New(); |
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2756 if (v == NULL) { |
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2757 Py_DECREF(x); |
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2758 x = NULL; |
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2759 break; |
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2760 } |
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2761 name_ix = PyTuple_Size(u); |
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2762 assert(num_annotations == name_ix+1); |
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2763 while (name_ix > 0) { |
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2764 --name_ix; |
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2765 t = PyTuple_GET_ITEM(u, name_ix); |
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2766 w = POP(); |
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2767 /* XXX(nnorwitz): check for errors */ |
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2768 PyDict_SetItem(v, t, w); |
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2769 Py_DECREF(w); |
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2770 } |
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2771 |
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2772 if (PyFunction_SetAnnotations(x, v) != 0) { |
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2773 /* Can't happen unless |
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2774 PyFunction_SetAnnotations changes. */ |
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2775 why = WHY_EXCEPTION; |
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2776 } |
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2777 Py_DECREF(v); |
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2778 Py_DECREF(u); |
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2779 } |
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2780 |
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2781 /* XXX Maybe this should be a separate opcode? */ |
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2782 if (x != NULL && posdefaults > 0) { |
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2783 v = PyTuple_New(posdefaults); |
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2784 if (v == NULL) { |
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2785 Py_DECREF(x); |
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2786 x = NULL; |
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2787 break; |
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2788 } |
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2789 while (--posdefaults >= 0) { |
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2790 w = POP(); |
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2791 PyTuple_SET_ITEM(v, posdefaults, w); |
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2792 } |
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2793 if (PyFunction_SetDefaults(x, v) != 0) { |
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2794 /* Can't happen unless |
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2795 PyFunction_SetDefaults changes. */ |
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2796 why = WHY_EXCEPTION; |
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2797 } |
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2798 Py_DECREF(v); |
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2799 } |
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2800 if (x != NULL && kwdefaults > 0) { |
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2801 v = PyDict_New(); |
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2802 if (v == NULL) { |
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2803 Py_DECREF(x); |
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2804 x = NULL; |
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2805 break; |
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2806 } |
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2807 while (--kwdefaults >= 0) { |
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2808 w = POP(); /* default value */ |
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2809 u = POP(); /* kw only arg name */ |
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2810 /* XXX(nnorwitz): check for errors */ |
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2811 PyDict_SetItem(v, u, w); |
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2812 Py_DECREF(w); |
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2813 Py_DECREF(u); |
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2814 } |
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2815 if (PyFunction_SetKwDefaults(x, v) != 0) { |
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2816 /* Can't happen unless |
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2817 PyFunction_SetKwDefaults changes. */ |
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2818 why = WHY_EXCEPTION; |
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2819 } |
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2820 Py_DECREF(v); |
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2821 } |
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2822 PUSH(x); |
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2823 break; |
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2824 } |
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2825 |
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2826 TARGET(BUILD_SLICE) |
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2827 if (oparg == 3) |
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2828 w = POP(); |
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2829 else |
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2830 w = NULL; |
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2831 v = POP(); |
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2832 u = TOP(); |
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2833 x = PySlice_New(u, v, w); |
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2834 Py_DECREF(u); |
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2835 Py_DECREF(v); |
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2836 Py_XDECREF(w); |
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2837 SET_TOP(x); |
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2838 if (x != NULL) DISPATCH(); |
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2839 break; |
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2840 |
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2841 TARGET(EXTENDED_ARG) |
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2842 opcode = NEXTOP(); |
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2843 oparg = oparg<<16 | NEXTARG(); |
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2844 goto dispatch_opcode; |
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2845 |
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2846 #if USE_COMPUTED_GOTOS |
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2847 _unknown_opcode: |
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2848 #endif |
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2849 default: |
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2850 fprintf(stderr, |
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2851 "XXX lineno: %d, opcode: %d\n", |
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2852 PyFrame_GetLineNumber(f), |
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2853 opcode); |
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2854 PyErr_SetString(PyExc_SystemError, "unknown opcode"); |
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2855 why = WHY_EXCEPTION; |
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2856 break; |
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2858 #ifdef CASE_TOO_BIG |
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2859 } |
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2860 #endif |
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2862 } /* switch */ |
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2864 on_error: |
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2865 |
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2866 READ_TIMESTAMP(inst1); |
|
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2867 |
|
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2868 /* Quickly continue if no error occurred */ |
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2869 |
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2870 if (why == WHY_NOT) { |
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2871 if (err == 0 && x != NULL) { |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
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|
2872 #ifdef CHECKEXC |
|
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2873 /* This check is expensive! */ |
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2874 if (PyErr_Occurred()) |
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2875 fprintf(stderr, |
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2876 "XXX undetected error\n"); |
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2877 else { |
|
32301
41c59d80bbc5
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Martin v. Löwis <martin@v.loewis.de>
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|
2878 #endif |
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2879 READ_TIMESTAMP(loop1); |
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2880 continue; /* Normal, fast path */ |
|
32301
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|
2881 #ifdef CHECKEXC |
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2882 } |
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32301
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2883 #endif |
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2884 } |
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2885 why = WHY_EXCEPTION; |
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2886 x = Py_None; |
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2887 err = 0; |
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2888 } |
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2889 |
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2890 /* Double-check exception status */ |
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2891 |
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2892 if (why == WHY_EXCEPTION || why == WHY_RERAISE) { |
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2893 if (!PyErr_Occurred()) { |
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2894 PyErr_SetString(PyExc_SystemError, |
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2895 "error return without exception set"); |
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2896 why = WHY_EXCEPTION; |
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2897 } |
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2898 } |
|
10363
4daab7a9f566
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Guido van Rossum <guido@python.org>
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2899 #ifdef CHECKEXC |
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2900 else { |
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2901 /* This check is expensive! */ |
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2902 if (PyErr_Occurred()) { |
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2903 char buf[128]; |
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2904 sprintf(buf, "Stack unwind with exception " |
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2905 "set and why=%d", why); |
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2906 Py_FatalError(buf); |
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2907 } |
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2908 } |
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173
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2909 #endif |
|
4656452436e1
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Guido van Rossum <guido@python.org>
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2910 |
|
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2911 /* Log traceback info if this is a real exception */ |
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2912 |
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2913 if (why == WHY_EXCEPTION) { |
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2914 PyTraceBack_Here(f); |
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2915 |
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2916 if (tstate->c_tracefunc != NULL) |
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2917 call_exc_trace(tstate->c_tracefunc, |
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2918 tstate->c_traceobj, f); |
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2919 } |
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2920 |
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2921 /* For the rest, treat WHY_RERAISE as WHY_EXCEPTION */ |
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2922 |
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2923 if (why == WHY_RERAISE) |
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2924 why = WHY_EXCEPTION; |
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2925 |
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2926 /* Unwind stacks if a (pseudo) exception occurred */ |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
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2927 |
|
31462
d5c047807c69
SF patch #864059: optimize eval_frame
Raymond Hettinger <python@rcn.com>
parents:
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2928 fast_block_end: |
|
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2929 while (why != WHY_NOT && f->f_iblock > 0) { |
|
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2930 /* Peek at the current block. */ |
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2931 PyTryBlock *b = &f->f_blockstack[f->f_iblock - 1]; |
|
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2932 |
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2933 assert(why != WHY_YIELD); |
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2934 if (b->b_type == SETUP_LOOP && why == WHY_CONTINUE) { |
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2935 why = WHY_NOT; |
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2936 JUMPTO(PyLong_AS_LONG(retval)); |
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2937 Py_DECREF(retval); |
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2938 break; |
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2939 } |
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2940 /* Now we have to pop the block. */ |
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2941 f->f_iblock--; |
|
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2942 |
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2943 if (b->b_type == EXCEPT_HANDLER) { |
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2944 UNWIND_EXCEPT_HANDLER(b); |
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2945 continue; |
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2946 } |
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2947 UNWIND_BLOCK(b); |
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2948 if (b->b_type == SETUP_LOOP && why == WHY_BREAK) { |
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2949 why = WHY_NOT; |
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2950 JUMPTO(b->b_handler); |
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2951 break; |
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2952 } |
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2953 if (why == WHY_EXCEPTION && (b->b_type == SETUP_EXCEPT |
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2954 || b->b_type == SETUP_FINALLY)) { |
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2955 PyObject *exc, *val, *tb; |
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2956 int handler = b->b_handler; |
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2957 /* Beware, this invalidates all b->b_* fields */ |
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2958 PyFrame_BlockSetup(f, EXCEPT_HANDLER, -1, STACK_LEVEL()); |
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2959 PUSH(tstate->exc_traceback); |
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2960 PUSH(tstate->exc_value); |
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2961 if (tstate->exc_type != NULL) { |
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2962 PUSH(tstate->exc_type); |
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2963 } |
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2964 else { |
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2965 Py_INCREF(Py_None); |
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2966 PUSH(Py_None); |
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2967 } |
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2968 PyErr_Fetch(&exc, &val, &tb); |
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2969 /* Make the raw exception data |
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2970 available to the handler, |
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2971 so a program can emulate the |
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2972 Python main loop. */ |
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2973 PyErr_NormalizeException( |
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2974 &exc, &val, &tb); |
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2975 PyException_SetTraceback(val, tb); |
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2976 Py_INCREF(exc); |
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2977 tstate->exc_type = exc; |
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2978 Py_INCREF(val); |
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|
2979 tstate->exc_value = val; |
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2980 tstate->exc_traceback = tb; |
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2981 if (tb == NULL) |
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2982 tb = Py_None; |
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2983 Py_INCREF(tb); |
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2984 PUSH(tb); |
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2985 PUSH(val); |
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2986 PUSH(exc); |
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2987 why = WHY_NOT; |
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2988 JUMPTO(handler); |
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2989 break; |
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2990 } |
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2991 if (b->b_type == SETUP_FINALLY) { |
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2992 if (why & (WHY_RETURN | WHY_CONTINUE)) |
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2993 PUSH(retval); |
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2994 PUSH(PyLong_FromLong((long)why)); |
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2995 why = WHY_NOT; |
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2996 JUMPTO(b->b_handler); |
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2997 break; |
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2998 } |
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2999 } /* unwind stack */ |
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3000 |
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3001 /* End the loop if we still have an error (or return) */ |
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3002 |
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3003 if (why != WHY_NOT) |
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3004 break; |
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3005 READ_TIMESTAMP(loop1); |
|
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3006 |
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3007 } /* main loop */ |
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3008 |
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3009 assert(why != WHY_YIELD); |
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3010 /* Pop remaining stack entries. */ |
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3011 while (!EMPTY()) { |
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3012 v = POP(); |
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3013 Py_XDECREF(v); |
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3014 } |
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3015 |
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3016 if (why != WHY_RETURN) |
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|
3017 retval = NULL; |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
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|
3018 |
|
31462
d5c047807c69
SF patch #864059: optimize eval_frame
Raymond Hettinger <python@rcn.com>
parents:
30979
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|
3019 fast_yield: |
|
71157
419871c62bb3
never retain a generator's caller's exception state on the generator after a yield/return
Benjamin Peterson <benjamin@python.org>
parents:
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|
3020 if (co->co_flags & CO_GENERATOR && (why == WHY_YIELD || why == WHY_RETURN)) { |
|
419871c62bb3
never retain a generator's caller's exception state on the generator after a yield/return
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3021 /* The purpose of this block is to put aside the generator's exception |
|
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3022 state and restore that of the calling frame. If the current |
|
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never retain a generator's caller's exception state on the generator after a yield/return
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3023 exception state is from the caller, we clear the exception values |
|
419871c62bb3
never retain a generator's caller's exception state on the generator after a yield/return
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3024 on the generator frame, so they are not swapped back in latter. The |
|
419871c62bb3
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3025 origin of the current exception state is determined by checking for |
|
419871c62bb3
never retain a generator's caller's exception state on the generator after a yield/return
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3026 except handler blocks, which we must be in iff a new exception |
|
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never retain a generator's caller's exception state on the generator after a yield/return
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|
3027 state came into existence in this frame. (An uncaught exception |
|
419871c62bb3
never retain a generator's caller's exception state on the generator after a yield/return
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|
3028 would have why == WHY_EXCEPTION, and we wouldn't be here). */ |
|
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never retain a generator's caller's exception state on the generator after a yield/return
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|
3029 int i; |
|
419871c62bb3
never retain a generator's caller's exception state on the generator after a yield/return
Benjamin Peterson <benjamin@python.org>
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|
3030 for (i = 0; i < f->f_iblock; i++) |
|
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Benjamin Peterson <benjamin@python.org>
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3031 if (f->f_blockstack[i].b_type == EXCEPT_HANDLER) |
|
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Benjamin Peterson <benjamin@python.org>
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|
3032 break; |
|
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|
3033 if (i == f->f_iblock) |
|
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never retain a generator's caller's exception state on the generator after a yield/return
Benjamin Peterson <benjamin@python.org>
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|
3034 /* We did not create this exception. */ |
|
71159
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
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|
3035 restore_and_clear_exc_state(tstate, f); |
|
71157
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3036 else |
|
71159
95784a617d05
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Benjamin Peterson <benjamin@python.org>
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|
3037 swap_exc_state(tstate, f); |
|
71157
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Benjamin Peterson <benjamin@python.org>
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|
3038 } |
|
71151
cc7ae81cfe91
restore a generator's caller's exception state both on yield and (last) return
Benjamin Peterson <benjamin@python.org>
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3039 |
|
61467
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3040 if (tstate->use_tracing) { |
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3041 if (tstate->c_tracefunc) { |
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3042 if (why == WHY_RETURN || why == WHY_YIELD) { |
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3043 if (call_trace(tstate->c_tracefunc, |
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3044 tstate->c_traceobj, f, |
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3045 PyTrace_RETURN, retval)) { |
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3046 Py_XDECREF(retval); |
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3047 retval = NULL; |
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3048 why = WHY_EXCEPTION; |
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3049 } |
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3050 } |
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3051 else if (why == WHY_EXCEPTION) { |
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3052 call_trace_protected(tstate->c_tracefunc, |
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3053 tstate->c_traceobj, f, |
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3054 PyTrace_RETURN, NULL); |
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3055 } |
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3056 } |
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3057 if (tstate->c_profilefunc) { |
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3058 if (why == WHY_EXCEPTION) |
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3059 call_trace_protected(tstate->c_profilefunc, |
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3060 tstate->c_profileobj, f, |
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3061 PyTrace_RETURN, NULL); |
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3062 else if (call_trace(tstate->c_profilefunc, |
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3063 tstate->c_profileobj, f, |
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3064 PyTrace_RETURN, retval)) { |
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3065 Py_XDECREF(retval); |
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|
3066 retval = NULL; |
|
68102
e2f96bd29252
Issue #8914: fix various warnings from the Clang static analyzer v254.
Brett Cannon <bcannon@gmail.com>
parents:
68086
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|
3067 /* why = WHY_EXCEPTION; */ |
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3068 } |
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3069 } |
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3070 } |
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3071 |
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3072 /* pop frame */ |
|
43410
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3073 exit_eval_frame: |
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3074 Py_LeaveRecursiveCall(); |
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3075 tstate->frame = f->f_back; |
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3076 |
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3077 return retval; |
|
173
4656452436e1
Moved support functions after main function; added prototypes;
Guido van Rossum <guido@python.org>
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159
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3078 } |
|
4656452436e1
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159
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|
3079 |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
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|
3080 static void |
|
70940
52744a5a9260
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Benjamin Peterson <benjamin@python.org>
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70652
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|
3081 format_missing(const char *kind, PyCodeObject *co, PyObject *names) |
|
52744a5a9260
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Benjamin Peterson <benjamin@python.org>
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|
3082 { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3083 int err; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3084 Py_ssize_t len = PyList_GET_SIZE(names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3085 PyObject *name_str, *comma, *tail, *tmp; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3086 |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3087 assert(PyList_CheckExact(names)); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3088 assert(len >= 1); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3089 /* Deal with the joys of natural language. */ |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3090 switch (len) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3091 case 1: |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3092 name_str = PyList_GET_ITEM(names, 0); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3093 Py_INCREF(name_str); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3094 break; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3095 case 2: |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3096 name_str = PyUnicode_FromFormat("%U and %U", |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3097 PyList_GET_ITEM(names, len - 2), |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3098 PyList_GET_ITEM(names, len - 1)); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3099 break; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3100 default: |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3101 tail = PyUnicode_FromFormat(", %U, and %U", |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3102 PyList_GET_ITEM(names, len - 2), |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3103 PyList_GET_ITEM(names, len - 1)); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3104 /* Chop off the last two objects in the list. This shouldn't actually |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3105 fail, but we can't be too careful. */ |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3106 err = PyList_SetSlice(names, len - 2, len, NULL); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3107 if (err == -1) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3108 Py_DECREF(tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3109 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3110 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3111 /* Stitch everything up into a nice comma-separated list. */ |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3112 comma = PyUnicode_FromString(", "); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3113 if (comma == NULL) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3114 Py_DECREF(tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3115 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3116 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3117 tmp = PyUnicode_Join(comma, names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3118 Py_DECREF(comma); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3119 if (tmp == NULL) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3120 Py_DECREF(tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3121 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3122 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3123 name_str = PyUnicode_Concat(tmp, tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3124 Py_DECREF(tmp); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3125 Py_DECREF(tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3126 break; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3127 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3128 if (name_str == NULL) |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3129 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3130 PyErr_Format(PyExc_TypeError, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3131 "%U() missing %i required %s argument%s: %U", |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3132 co->co_name, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3133 len, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3134 kind, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3135 len == 1 ? "" : "s", |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3136 name_str); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3137 Py_DECREF(name_str); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3138 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3139 |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3140 static void |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3141 missing_arguments(PyCodeObject *co, int missing, int defcount, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3142 PyObject **fastlocals) |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3143 { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3144 int i, j = 0; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3145 int start, end; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3146 int positional = defcount != -1; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3147 const char *kind = positional ? "positional" : "keyword-only"; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3148 PyObject *missing_names; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3149 |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3150 /* Compute the names of the arguments that are missing. */ |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3151 missing_names = PyList_New(missing); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3152 if (missing_names == NULL) |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3153 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3154 if (positional) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3155 start = 0; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3156 end = co->co_argcount - defcount; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3157 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3158 else { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3159 start = co->co_argcount; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3160 end = start + co->co_kwonlyargcount; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3161 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3162 for (i = start; i < end; i++) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3163 if (GETLOCAL(i) == NULL) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3164 PyObject *raw = PyTuple_GET_ITEM(co->co_varnames, i); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3165 PyObject *name = PyObject_Repr(raw); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3166 if (name == NULL) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3167 Py_DECREF(missing_names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3168 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3169 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3170 PyList_SET_ITEM(missing_names, j++, name); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3171 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3172 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3173 assert(j == missing); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3174 format_missing(kind, co, missing_names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3175 Py_DECREF(missing_names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3176 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3177 |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3178 static void |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3179 too_many_positional(PyCodeObject *co, int given, int defcount, PyObject **fastlocals) |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3180 { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3181 int plural; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3182 int kwonly_given = 0; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3183 int i; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3184 PyObject *sig, *kwonly_sig; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3185 |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3186 assert((co->co_flags & CO_VARARGS) == 0); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3187 /* Count missing keyword-only args. */ |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3188 for (i = co->co_argcount; i < co->co_argcount + co->co_kwonlyargcount; i++) |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
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70652
diff
changeset
|
3189 if (GETLOCAL(i) != NULL) |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3190 kwonly_given++; |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3191 if (defcount) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3192 int atleast = co->co_argcount - defcount; |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3193 plural = 1; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3194 sig = PyUnicode_FromFormat("from %d to %d", atleast, co->co_argcount); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3195 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3196 else { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3197 plural = co->co_argcount != 1; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3198 sig = PyUnicode_FromFormat("%d", co->co_argcount); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3199 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3200 if (sig == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3201 return; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3202 if (kwonly_given) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3203 const char *format = " positional argument%s (and %d keyword-only argument%s)"; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3204 kwonly_sig = PyUnicode_FromFormat(format, given != 1 ? "s" : "", kwonly_given, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3205 kwonly_given != 1 ? "s" : ""); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3206 if (kwonly_sig == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3207 Py_DECREF(sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3208 return; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3209 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3210 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3211 else { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3212 /* This will not fail. */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3213 kwonly_sig = PyUnicode_FromString(""); |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3214 assert(kwonly_sig != NULL); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3215 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3216 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3217 "%U() takes %U positional argument%s but %d%U %s given", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3218 co->co_name, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3219 sig, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3220 plural ? "s" : "", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3221 given, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3222 kwonly_sig, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3223 given == 1 && !kwonly_given ? "was" : "were"); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3224 Py_DECREF(sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3225 Py_DECREF(kwonly_sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3226 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3227 |
|
36695
b6d2f6fd3e11
PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents:
36580
diff
changeset
|
3228 /* This is gonna seem *real weird*, but if you put some other code between |
|
32421
485d2ef43419
Patch #966493: Cleanup generator/eval_frame exposure.
Martin v. Löwis <martin@v.loewis.de>
parents:
32412
diff
changeset
|
3229 PyEval_EvalFrame() and PyEval_EvalCodeEx() you will need to adjust |
|
36695
b6d2f6fd3e11
PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents:
36580
diff
changeset
|
3230 the test in the if statements in Misc/gdbinit (pystack and pystackv). */ |
|
31606
fd2103ae6f29
Add pystack definition to Misc/gdbinit with some explanation of its behavior
Skip Montanaro <skip@pobox.com>
parents:
31514
diff
changeset
|
3231 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18611
diff
changeset
|
3232 PyObject * |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
diff
changeset
|
3233 PyEval_EvalCodeEx(PyObject *_co, PyObject *globals, PyObject *locals, |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3234 PyObject **args, int argcount, PyObject **kws, int kwcount, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3235 PyObject **defs, int defcount, PyObject *kwdefs, PyObject *closure) |
|
18148
7bc473b2c654
Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents:
18136
diff
changeset
|
3236 { |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
diff
changeset
|
3237 PyCodeObject* co = (PyCodeObject*)_co; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3238 register PyFrameObject *f; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3239 register PyObject *retval = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3240 register PyObject **fastlocals, **freevars; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3241 PyThreadState *tstate = PyThreadState_GET(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3242 PyObject *x, *u; |
|
61466
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
61186
diff
changeset
|
3243 int total_args = co->co_argcount + co->co_kwonlyargcount; |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3244 int i; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3245 int n = argcount; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3246 PyObject *kwdict = NULL; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3247 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3248 if (globals == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3249 PyErr_SetString(PyExc_SystemError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3250 "PyEval_EvalCodeEx: NULL globals"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3251 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3252 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3253 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3254 assert(tstate != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3255 assert(globals != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3256 f = PyFrame_New(tstate, co, globals, locals); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3257 if (f == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3258 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3259 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3260 fastlocals = f->f_localsplus; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3261 freevars = f->f_localsplus + co->co_nlocals; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3262 |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3263 /* Parse arguments. */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3264 if (co->co_flags & CO_VARKEYWORDS) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3265 kwdict = PyDict_New(); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3266 if (kwdict == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3267 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3268 i = total_args; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3269 if (co->co_flags & CO_VARARGS) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3270 i++; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3271 SETLOCAL(i, kwdict); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3272 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3273 if (argcount > co->co_argcount) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3274 n = co->co_argcount; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3275 for (i = 0; i < n; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3276 x = args[i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3277 Py_INCREF(x); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3278 SETLOCAL(i, x); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3279 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3280 if (co->co_flags & CO_VARARGS) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3281 u = PyTuple_New(argcount - n); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3282 if (u == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3283 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3284 SETLOCAL(total_args, u); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3285 for (i = n; i < argcount; i++) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3286 x = args[i]; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3287 Py_INCREF(x); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3288 PyTuple_SET_ITEM(u, i-n, x); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3289 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3290 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3291 for (i = 0; i < kwcount; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3292 PyObject **co_varnames; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3293 PyObject *keyword = kws[2*i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3294 PyObject *value = kws[2*i + 1]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3295 int j; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3296 if (keyword == NULL || !PyUnicode_Check(keyword)) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3297 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3298 "%U() keywords must be strings", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3299 co->co_name); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3300 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3301 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3302 /* Speed hack: do raw pointer compares. As names are |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3303 normally interned this should almost always hit. */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3304 co_varnames = ((PyTupleObject *)(co->co_varnames))->ob_item; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3305 for (j = 0; j < total_args; j++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3306 PyObject *nm = co_varnames[j]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3307 if (nm == keyword) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3308 goto kw_found; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3309 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3310 /* Slow fallback, just in case */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3311 for (j = 0; j < total_args; j++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3312 PyObject *nm = co_varnames[j]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3313 int cmp = PyObject_RichCompareBool( |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3314 keyword, nm, Py_EQ); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3315 if (cmp > 0) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3316 goto kw_found; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3317 else if (cmp < 0) |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3318 goto fail; |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3319 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3320 if (j >= total_args && kwdict == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3321 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3322 "%U() got an unexpected " |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3323 "keyword argument '%S'", |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3324 co->co_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3325 keyword); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3326 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3327 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3328 PyDict_SetItem(kwdict, keyword, value); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3329 continue; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3330 kw_found: |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3331 if (GETLOCAL(j) != NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3332 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3333 "%U() got multiple " |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3334 "values for argument '%S'", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3335 co->co_name, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3336 keyword); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3337 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3338 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3339 Py_INCREF(value); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3340 SETLOCAL(j, value); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3341 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3342 if (argcount > co->co_argcount && !(co->co_flags & CO_VARARGS)) { |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3343 too_many_positional(co, argcount, defcount, fastlocals); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3344 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3345 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3346 if (argcount < co->co_argcount) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3347 int m = co->co_argcount - defcount; |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3348 int missing = 0; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3349 for (i = argcount; i < m; i++) |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3350 if (GETLOCAL(i) == NULL) |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3351 missing++; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3352 if (missing) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3353 missing_arguments(co, missing, defcount, fastlocals); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3354 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3355 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3356 if (n > m) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3357 i = n - m; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3358 else |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3359 i = 0; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3360 for (; i < defcount; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3361 if (GETLOCAL(m+i) == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3362 PyObject *def = defs[i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3363 Py_INCREF(def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3364 SETLOCAL(m+i, def); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3365 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3366 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3367 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3368 if (co->co_kwonlyargcount > 0) { |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3369 int missing = 0; |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3370 for (i = co->co_argcount; i < total_args; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3371 PyObject *name; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3372 if (GETLOCAL(i) != NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3373 continue; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3374 name = PyTuple_GET_ITEM(co->co_varnames, i); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3375 if (kwdefs != NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3376 PyObject *def = PyDict_GetItem(kwdefs, name); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3377 if (def) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3378 Py_INCREF(def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3379 SETLOCAL(i, def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3380 continue; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3381 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3382 } |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3383 missing++; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3384 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3385 if (missing) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3386 missing_arguments(co, missing, -1, fastlocals); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3387 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3388 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3389 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3390 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3391 /* Allocate and initialize storage for cell vars, and copy free |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3392 vars into frame. */ |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3393 for (i = 0; i < PyTuple_GET_SIZE(co->co_cellvars); ++i) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3394 PyObject *c; |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3395 int arg; |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3396 /* Possibly account for the cell variable being an argument. */ |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3397 if (co->co_cell2arg != NULL && |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3398 (arg = co->co_cell2arg[i]) != CO_CELL_NOT_AN_ARG) |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3399 c = PyCell_New(GETLOCAL(arg)); |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3400 else |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3401 c = PyCell_New(NULL); |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3402 if (c == NULL) |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3403 goto fail; |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3404 SETLOCAL(co->co_nlocals + i, c); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3405 } |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3406 for (i = 0; i < PyTuple_GET_SIZE(co->co_freevars); ++i) { |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3407 PyObject *o = PyTuple_GET_ITEM(closure, i); |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3408 Py_INCREF(o); |
|
c5b0585624ef
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|
3409 freevars[PyTuple_GET_SIZE(co->co_cellvars) + i] = o; |
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3410 } |
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3411 |
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|
3412 if (co->co_flags & CO_GENERATOR) { |
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3413 /* Don't need to keep the reference to f_back, it will be set |
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|
3414 * when the generator is resumed. */ |
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|
3415 Py_XDECREF(f->f_back); |
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3416 f->f_back = NULL; |
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3417 |
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3418 PCALL(PCALL_GENERATOR); |
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3419 |
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|
3420 /* Create a new generator that owns the ready to run frame |
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|
3421 * and return that as the value. */ |
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|
3422 return PyGen_New(f); |
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3423 } |
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3424 |
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|
3425 retval = PyEval_EvalFrameEx(f,0); |
|
43410
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3426 |
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3427 fail: /* Jump here from prelude on failure */ |
|
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3428 |
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3429 /* decref'ing the frame can cause __del__ methods to get invoked, |
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3430 which can call back into Python. While we're done with the |
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3431 current Python frame (f), the associated C stack is still in use, |
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3432 so recursion_depth must be boosted for the duration. |
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3433 */ |
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3434 assert(tstate != NULL); |
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3435 ++tstate->recursion_depth; |
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3436 Py_DECREF(f); |
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3437 --tstate->recursion_depth; |
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3438 return retval; |
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3439 } |
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3440 |
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3441 |
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3442 static PyObject * |
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3443 special_lookup(PyObject *o, char *meth, PyObject **cache) |
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3444 { |
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3445 PyObject *res; |
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3446 res = _PyObject_LookupSpecial(o, meth, cache); |
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3447 if (res == NULL && !PyErr_Occurred()) { |
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3448 PyErr_SetObject(PyExc_AttributeError, *cache); |
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3449 return NULL; |
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3450 } |
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3451 return res; |
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3452 } |
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3453 |
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3454 |
|
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3455 /* These 3 functions deal with the exception state of generators. */ |
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3456 |
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3457 static void |
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3458 save_exc_state(PyThreadState *tstate, PyFrameObject *f) |
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3459 { |
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3460 PyObject *type, *value, *traceback; |
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3461 Py_XINCREF(tstate->exc_type); |
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3462 Py_XINCREF(tstate->exc_value); |
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3463 Py_XINCREF(tstate->exc_traceback); |
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3464 type = f->f_exc_type; |
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3465 value = f->f_exc_value; |
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3466 traceback = f->f_exc_traceback; |
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3467 f->f_exc_type = tstate->exc_type; |
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3468 f->f_exc_value = tstate->exc_value; |
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3469 f->f_exc_traceback = tstate->exc_traceback; |
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3470 Py_XDECREF(type); |
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3471 Py_XDECREF(value); |
|
72605
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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|
3472 Py_XDECREF(traceback); |
|
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3473 } |
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3474 |
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3475 static void |
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3476 swap_exc_state(PyThreadState *tstate, PyFrameObject *f) |
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3477 { |
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3478 PyObject *tmp; |
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3479 tmp = tstate->exc_type; |
|
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3480 tstate->exc_type = f->f_exc_type; |
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3481 f->f_exc_type = tmp; |
|
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3482 tmp = tstate->exc_value; |
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3483 tstate->exc_value = f->f_exc_value; |
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3484 f->f_exc_value = tmp; |
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3485 tmp = tstate->exc_traceback; |
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3486 tstate->exc_traceback = f->f_exc_traceback; |
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3487 f->f_exc_traceback = tmp; |
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3488 } |
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|
3489 |
|
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|
3490 static void |
|
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3491 restore_and_clear_exc_state(PyThreadState *tstate, PyFrameObject *f) |
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3492 { |
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3493 PyObject *type, *value, *tb; |
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3494 type = tstate->exc_type; |
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3495 value = tstate->exc_value; |
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3496 tb = tstate->exc_traceback; |
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3497 tstate->exc_type = f->f_exc_type; |
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3498 tstate->exc_value = f->f_exc_value; |
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3499 tstate->exc_traceback = f->f_exc_traceback; |
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3500 f->f_exc_type = NULL; |
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3501 f->f_exc_value = NULL; |
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3502 f->f_exc_traceback = NULL; |
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3503 Py_XDECREF(type); |
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3504 Py_XDECREF(value); |
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3505 Py_XDECREF(tb); |
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3506 } |
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3507 |
|
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3508 |
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3509 /* Logic for the raise statement (too complicated for inlining). |
|
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|
3510 This *consumes* a reference count to each of its arguments. */ |
|
31875
1fb2313ac3ce
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Raymond Hettinger <python@rcn.com>
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|
3511 static enum why_code |
|
43102
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
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|
3512 do_raise(PyObject *exc, PyObject *cause) |
|
4667
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3513 { |
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3514 PyObject *type = NULL, *value = NULL; |
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3515 |
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3516 if (exc == NULL) { |
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3517 /* Reraise */ |
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3518 PyThreadState *tstate = PyThreadState_GET(); |
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3519 PyObject *tb; |
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3520 type = tstate->exc_type; |
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3521 value = tstate->exc_value; |
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3522 tb = tstate->exc_traceback; |
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diff
changeset
|
3523 if (type == Py_None) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3524 PyErr_SetString(PyExc_RuntimeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3525 "No active exception to reraise"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3526 return WHY_EXCEPTION; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3527 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3528 Py_XINCREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3529 Py_XINCREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3530 Py_XINCREF(tb); |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3531 PyErr_Restore(type, value, tb); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3532 return WHY_RERAISE; |
|
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
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|
3533 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3534 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3535 /* We support the following forms of raise: |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3536 raise |
|
43102
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3537 raise <instance> |
|
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3538 raise <type> */ |
|
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3539 |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3540 if (PyExceptionClass_Check(exc)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3541 type = exc; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3542 value = PyObject_CallObject(exc, NULL); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3543 if (value == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3544 goto raise_error; |
|
71349
8d05f697acd4
catch nasty exception classes with __new__ that doesn't return a exception (closes #11627)
Benjamin Peterson <benjamin@python.org>
parents:
71157
diff
changeset
|
3545 if (!PyExceptionInstance_Check(value)) { |
|
8d05f697acd4
catch nasty exception classes with __new__ that doesn't return a exception (closes #11627)
Benjamin Peterson <benjamin@python.org>
parents:
71157
diff
changeset
|
3546 PyErr_Format(PyExc_TypeError, |
|
8d05f697acd4
catch nasty exception classes with __new__ that doesn't return a exception (closes #11627)
Benjamin Peterson <benjamin@python.org>
parents:
71157
diff
changeset
|
3547 "calling %R should have returned an instance of " |
|
8d05f697acd4
catch nasty exception classes with __new__ that doesn't return a exception (closes #11627)
Benjamin Peterson <benjamin@python.org>
parents:
71157
diff
changeset
|
3548 "BaseException, not %R", |
|
8d05f697acd4
catch nasty exception classes with __new__ that doesn't return a exception (closes #11627)
Benjamin Peterson <benjamin@python.org>
parents:
71157
diff
changeset
|
3549 type, Py_TYPE(value)); |
|
8d05f697acd4
catch nasty exception classes with __new__ that doesn't return a exception (closes #11627)
Benjamin Peterson <benjamin@python.org>
parents:
71157
diff
changeset
|
3550 goto raise_error; |
|
8d05f697acd4
catch nasty exception classes with __new__ that doesn't return a exception (closes #11627)
Benjamin Peterson <benjamin@python.org>
parents:
71157
diff
changeset
|
3551 } |
|
61467
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|
3552 } |
|
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|
3553 else if (PyExceptionInstance_Check(exc)) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3554 value = exc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3555 type = PyExceptionInstance_Class(exc); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3556 Py_INCREF(type); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3557 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3558 else { |
|
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changeset
|
3559 /* Not something you can raise. You get an exception |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3560 anyway, just not what you specified :-) */ |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3561 Py_DECREF(exc); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3562 PyErr_SetString(PyExc_TypeError, |
|
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|
3563 "exceptions must derive from BaseException"); |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3564 goto raise_error; |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
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|
3565 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3566 |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3567 if (cause) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3568 PyObject *fixed_cause; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3569 if (PyExceptionClass_Check(cause)) { |
|
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|
3570 fixed_cause = PyObject_CallObject(cause, NULL); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3571 if (fixed_cause == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3572 goto raise_error; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3573 Py_DECREF(cause); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3574 } |
|
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|
3575 else if (PyExceptionInstance_Check(cause)) { |
|
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|
3576 fixed_cause = cause; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3577 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3578 else { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3579 PyErr_SetString(PyExc_TypeError, |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3580 "exception causes must derive from " |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3581 "BaseException"); |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3582 goto raise_error; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3583 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3584 PyException_SetCause(value, fixed_cause); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3585 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3586 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3587 PyErr_SetObject(type, value); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3588 /* PyErr_SetObject incref's its arguments */ |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3589 Py_XDECREF(value); |
|
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|
3590 Py_XDECREF(type); |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3591 return WHY_EXCEPTION; |
|
43102
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3592 |
|
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3593 raise_error: |
|
61467
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|
3594 Py_XDECREF(value); |
|
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|
3595 Py_XDECREF(type); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3596 Py_XDECREF(cause); |
|
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|
3597 return WHY_EXCEPTION; |
|
4667
c42379e4653b
Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents:
4594
diff
changeset
|
3598 } |
|
c42379e4653b
Moved the raise logic out of the main interpreter loop to a separate function.
Guido van Rossum <guido@python.org>
parents:
4594
diff
changeset
|
3599 |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3600 /* Iterate v argcnt times and store the results on the stack (via decreasing |
|
41699
e16c8e5c5ca4
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|
3601 sp). Return 1 for success, 0 if error. |
|
48574
d3d586019aff
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|
3602 |
|
41699
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changeset
|
3603 If argcntafter == -1, do a simple unpack. If it is >= 0, do an unpack |
|
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|
3604 with a variable target. |
|
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|
3605 */ |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3606 |
|
6157
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3607 static int |
|
41699
e16c8e5c5ca4
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diff
changeset
|
3608 unpack_iterable(PyObject *v, int argcnt, int argcntafter, PyObject **sp) |
|
6157
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3609 { |
|
61467
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|
3610 int i = 0, j = 0; |
|
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|
3611 Py_ssize_t ll = 0; |
|
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|
3612 PyObject *it; /* iter(v) */ |
|
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|
3613 PyObject *w; |
|
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|
3614 PyObject *l = NULL; /* variable list */ |
|
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|
3615 |
|
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|
3616 assert(v != NULL); |
|
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|
3617 |
|
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|
3618 it = PyObject_GetIter(v); |
|
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|
3619 if (it == NULL) |
|
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|
3620 goto Error; |
|
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|
3621 |
|
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|
3622 for (; i < argcnt; i++) { |
|
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|
3623 w = PyIter_Next(it); |
|
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|
3624 if (w == NULL) { |
|
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|
3625 /* Iterator done, via error or exhaustion. */ |
|
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|
3626 if (!PyErr_Occurred()) { |
|
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|
3627 PyErr_Format(PyExc_ValueError, |
|
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|
3628 "need more than %d value%s to unpack", |
|
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changeset
|
3629 i, i == 1 ? "" : "s"); |
|
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|
3630 } |
|
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59858
diff
changeset
|
3631 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3632 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3633 *--sp = w; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3634 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3635 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3636 if (argcntafter == -1) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3637 /* We better have exhausted the iterator now. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3638 w = PyIter_Next(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3639 if (w == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3640 if (PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3641 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3642 Py_DECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3643 return 1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3644 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3645 Py_DECREF(w); |
|
62914
983e2c0bf8dc
#3071: tell how many values were expected when unpacking too many.
Georg Brandl <georg@python.org>
parents:
62492
diff
changeset
|
3646 PyErr_Format(PyExc_ValueError, "too many values to unpack " |
|
983e2c0bf8dc
#3071: tell how many values were expected when unpacking too many.
Georg Brandl <georg@python.org>
parents:
62492
diff
changeset
|
3647 "(expected %d)", argcnt); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3648 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3649 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3650 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3651 l = PySequence_List(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3652 if (l == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3653 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3654 *--sp = l; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3655 i++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3656 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3657 ll = PyList_GET_SIZE(l); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3658 if (ll < argcntafter) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3659 PyErr_Format(PyExc_ValueError, "need more than %zd values to unpack", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3660 argcnt + ll); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3661 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3662 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3663 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3664 /* Pop the "after-variable" args off the list. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3665 for (j = argcntafter; j > 0; j--, i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3666 *--sp = PyList_GET_ITEM(l, ll - j); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3667 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3668 /* Resize the list. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3669 Py_SIZE(l) = ll - argcntafter; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3670 Py_DECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3671 return 1; |
|
41699
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3672 |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3673 Error: |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3674 for (; i > 0; i--, sp++) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3675 Py_DECREF(*sp); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3676 Py_XDECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3677 return 0; |
|
6157
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3678 } |
|
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3679 |
|
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3680 |
| 567 | 3681 #ifdef LLTRACE |
| 86 | 3682 static int |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
3683 prtrace(PyObject *v, char *str) |
| 69 | 3684 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3685 printf("%s ", str); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3686 if (PyObject_Print(v, stdout, 0) != 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3687 PyErr_Clear(); /* Don't know what else to do */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3688 printf("\n"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3689 return 1; |
| 69 | 3690 } |
| 86 | 3691 #endif |
| 69 | 3692 |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3693 static void |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
18293
diff
changeset
|
3694 call_exc_trace(Py_tracefunc func, PyObject *self, PyFrameObject *f) |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3695 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3696 PyObject *type, *value, *traceback, *arg; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3697 int err; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3698 PyErr_Fetch(&type, &value, &traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3699 if (value == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3700 value = Py_None; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3701 Py_INCREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3702 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3703 arg = PyTuple_Pack(3, type, value, traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3704 if (arg == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3705 PyErr_Restore(type, value, traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3706 return; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3707 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3708 err = call_trace(func, self, f, PyTrace_EXCEPTION, arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3709 Py_DECREF(arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3710 if (err == 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3711 PyErr_Restore(type, value, traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3712 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3713 Py_XDECREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3714 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3715 Py_XDECREF(traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3716 } |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3717 } |
|
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3718 |
|
43840
73c8e27eb9ce
Correction for issue1265 (pdb bug with "with" statement).
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
43815
diff
changeset
|
3719 static int |
|
20257
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3720 call_trace_protected(Py_tracefunc func, PyObject *obj, PyFrameObject *frame, |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3721 int what, PyObject *arg) |
|
20257
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3722 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3723 PyObject *type, *value, *traceback; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3724 int err; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3725 PyErr_Fetch(&type, &value, &traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3726 err = call_trace(func, obj, frame, what, arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3727 if (err == 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3728 { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3729 PyErr_Restore(type, value, traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3730 return 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3731 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3732 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3733 Py_XDECREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3734 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3735 Py_XDECREF(traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3736 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3737 } |
|
20257
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3738 } |
|
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3739 |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3740 static int |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
18293
diff
changeset
|
3741 call_trace(Py_tracefunc func, PyObject *obj, PyFrameObject *frame, |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3742 int what, PyObject *arg) |
| 567 | 3743 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3744 register PyThreadState *tstate = frame->f_tstate; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3745 int result; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3746 if (tstate->tracing) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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|
3747 return 0; |
|
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|
3748 tstate->tracing++; |
|
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|
3749 tstate->use_tracing = 0; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3750 result = func(obj, frame, what, arg); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3751 tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
|
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|
3752 || (tstate->c_profilefunc != NULL)); |
|
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|
3753 tstate->tracing--; |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
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|
3754 return result; |
| 567 | 3755 } |
| 3756 | |
|
28556
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents:
28304
diff
changeset
|
3757 PyObject * |
|
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents:
28304
diff
changeset
|
3758 _PyEval_CallTracing(PyObject *func, PyObject *args) |
|
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
3759 { |
|
61467
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|
3760 PyFrameObject *frame = PyEval_GetFrame(); |
|
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|
3761 PyThreadState *tstate = frame->f_tstate; |
|
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|
3762 int save_tracing = tstate->tracing; |
|
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|
3763 int save_use_tracing = tstate->use_tracing; |
|
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|
3764 PyObject *result; |
|
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|
3765 |
|
f197407bdba2
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|
3766 tstate->tracing = 0; |
|
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|
3767 tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
|
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|
3768 || (tstate->c_profilefunc != NULL)); |
|
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|
3769 result = PyObject_Call(func, args, NULL); |
|
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|
3770 tstate->tracing = save_tracing; |
|
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|
3771 tstate->use_tracing = save_use_tracing; |
|
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|
3772 return result; |
|
28556
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3773 } |
|
78395e5b4782
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Guido van Rossum <guido@python.org>
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|
3774 |
|
55372
79718ee03986
Merged revisions 72487-72488,72879 via svnmerge from
Alexandre Vassalotti <alexandre@peadrop.com>
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diff
changeset
|
3775 /* See Objects/lnotab_notes.txt for a description of how tracing works. */ |
|
26110
964d6b79c22e
This is Richie Hindle's patch:
Michael W. Hudson <mwh@python.net>
parents:
26109
diff
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|
3776 static int |
|
31872
9f5fe6b23e59
Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents:
31797
diff
changeset
|
3777 maybe_call_line_trace(Py_tracefunc func, PyObject *obj, |
|
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|
3778 PyFrameObject *frame, int *instr_lb, int *instr_ub, |
|
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|
3779 int *instr_prev) |
| 24844 | 3780 { |
|
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|
3781 int result = 0; |
|
61466
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|
3782 int line = frame->f_lineno; |
|
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|
3783 |
|
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|
3784 /* If the last instruction executed isn't in the current |
|
61466
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|
3785 instruction window, reset the window. |
|
61467
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|
3786 */ |
|
61466
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|
3787 if (frame->f_lasti < *instr_lb || frame->f_lasti >= *instr_ub) { |
|
61467
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|
3788 PyAddrPair bounds; |
|
61466
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|
3789 line = _PyCode_CheckLineNumber(frame->f_code, frame->f_lasti, |
|
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|
3790 &bounds); |
|
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|
3791 *instr_lb = bounds.ap_lower; |
|
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|
3792 *instr_ub = bounds.ap_upper; |
|
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|
3793 } |
|
61466
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|
3794 /* If the last instruction falls at the start of a line or if |
|
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|
3795 it represents a jump backwards, update the frame's line |
|
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Recorded merge of revisions 81029 via svnmerge from
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|
3796 number and call the trace function. */ |
|
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3797 if (frame->f_lasti == *instr_lb || frame->f_lasti < *instr_prev) { |
|
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|
3798 frame->f_lineno = line; |
|
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|
3799 result = call_trace(func, obj, frame, PyTrace_LINE, Py_None); |
|
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|
3800 } |
|
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|
3801 *instr_prev = frame->f_lasti; |
|
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|
3802 return result; |
| 24844 | 3803 } |
| 3804 | |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
18293
diff
changeset
|
3805 void |
|
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
18293
diff
changeset
|
3806 PyEval_SetProfile(Py_tracefunc func, PyObject *arg) |
|
18136
4cb34314bd97
Instead of initializing & interning the strings passed to the profile
Fred Drake <fdrake@acm.org>
parents:
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|
3807 { |
|
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|
3808 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
3809 PyObject *temp = tstate->c_profileobj; |
|
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|
3810 Py_XINCREF(arg); |
|
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|
3811 tstate->c_profilefunc = NULL; |
|
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|
3812 tstate->c_profileobj = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3813 /* Must make sure that tracing is not ignored if 'temp' is freed */ |
|
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|
3814 tstate->use_tracing = tstate->c_tracefunc != NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3815 Py_XDECREF(temp); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
3816 tstate->c_profilefunc = func; |
|
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|
3817 tstate->c_profileobj = arg; |
|
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|
3818 /* Flag that tracing or profiling is turned on */ |
|
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|
3819 tstate->use_tracing = (func != NULL) || (tstate->c_tracefunc != NULL); |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
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diff
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|
3820 } |
|
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
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diff
changeset
|
3821 |
|
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
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diff
changeset
|
3822 void |
|
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
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diff
changeset
|
3823 PyEval_SetTrace(Py_tracefunc func, PyObject *arg) |
|
e427afb5637f
Revise the interface to the profiling and tracing support for the
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diff
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|
3824 { |
|
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|
3825 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
3826 PyObject *temp = tstate->c_traceobj; |
|
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|
3827 _Py_TracingPossible += (func != NULL) - (tstate->c_tracefunc != NULL); |
|
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|
3828 Py_XINCREF(arg); |
|
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|
3829 tstate->c_tracefunc = NULL; |
|
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|
3830 tstate->c_traceobj = NULL; |
|
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|
3831 /* Must make sure that profiling is not ignored if 'temp' is freed */ |
|
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|
3832 tstate->use_tracing = tstate->c_profilefunc != NULL; |
|
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|
3833 Py_XDECREF(temp); |
|
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|
3834 tstate->c_tracefunc = func; |
|
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|
3835 tstate->c_traceobj = arg; |
|
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|
3836 /* Flag that tracing or profiling is turned on */ |
|
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|
3837 tstate->use_tracing = ((func != NULL) |
|
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|
3838 || (tstate->c_profilefunc != NULL)); |
|
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Fred Drake <fdrake@acm.org>
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|
3839 } |
|
4cb34314bd97
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Fred Drake <fdrake@acm.org>
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|
3840 |
| 5368 | 3841 PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
3842 PyEval_GetBuiltins(void) |
|
2098
b7be0382f9ee
__builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3843 { |
|
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|
3844 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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|
3845 if (current_frame == NULL) |
|
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|
3846 return PyThreadState_GET()->interp->builtins; |
|
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|
3847 else |
|
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|
3848 return current_frame->f_builtins; |
|
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b7be0382f9ee
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|
3849 } |
|
b7be0382f9ee
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parents:
2088
diff
changeset
|
3850 |
| 5368 | 3851 PyObject * |
|
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Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
3852 PyEval_GetLocals(void) |
|
1263
65a1e4e9cd54
* Fixed some subtleties with fastlocals. You can no longer access
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parents:
1262
diff
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|
3853 { |
|
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|
3854 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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|
3855 if (current_frame == NULL) |
|
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|
3856 return NULL; |
|
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|
3857 PyFrame_FastToLocals(current_frame); |
|
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|
3858 return current_frame->f_locals; |
|
1263
65a1e4e9cd54
* Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
3859 } |
|
65a1e4e9cd54
* Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
3860 |
| 5368 | 3861 PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
3862 PyEval_GetGlobals(void) |
| 69 | 3863 { |
|
61467
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|
3864 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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|
3865 if (current_frame == NULL) |
|
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|
3866 return NULL; |
|
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|
3867 else |
|
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|
3868 return current_frame->f_globals; |
| 69 | 3869 } |
| 3870 | |
|
27978
4b99a701defe
- PyEval_GetFrame() is now declared to return a PyFrameObject *
Guido van Rossum <guido@python.org>
parents:
27781
diff
changeset
|
3871 PyFrameObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
3872 PyEval_GetFrame(void) |
|
1846
5243fb187d36
call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents:
1425
diff
changeset
|
3873 { |
|
61467
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|
3874 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
3875 return _PyThreadState_GetFrame(tstate); |
|
1846
5243fb187d36
call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents:
1425
diff
changeset
|
3876 } |
|
5243fb187d36
call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents:
1425
diff
changeset
|
3877 |
|
2098
b7be0382f9ee
__builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents:
2088
diff
changeset
|
3878 int |
|
18611
fdb36a0c7e6e
Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents:
18513
diff
changeset
|
3879 PyEval_MergeCompilerFlags(PyCompilerFlags *cf) |
|
17124
a8301d4ed2b1
If a code object is compiled with nested scopes, define the CO_NESTED flag.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17114
diff
changeset
|
3880 { |
|
61467
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|
3881 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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|
3882 int result = cf->cf_flags != 0; |
|
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|
3883 |
|
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|
3884 if (current_frame != NULL) { |
|
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|
3885 const int codeflags = current_frame->f_code->co_flags; |
|
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|
3886 const int compilerflags = codeflags & PyCF_MASK; |
|
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|
3887 if (compilerflags) { |
|
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|
3888 result = 1; |
|
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|
3889 cf->cf_flags |= compilerflags; |
|
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|
3890 } |
|
22468
eebae4f60d05
Disable the parser hacks that enabled the "yield" keyword using a future
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents:
22398
diff
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|
3891 #if 0 /* future keyword */ |
|
61467
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|
3892 if (codeflags & CO_GENERATOR_ALLOWED) { |
|
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|
3893 result = 1; |
|
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|
3894 cf->cf_flags |= CO_GENERATOR_ALLOWED; |
|
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|
3895 } |
|
22468
eebae4f60d05
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents:
22398
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|
3896 #endif |
|
61467
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|
3897 } |
|
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|
3898 return result; |
|
17124
a8301d4ed2b1
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17114
diff
changeset
|
3899 } |
|
a8301d4ed2b1
If a code object is compiled with nested scopes, define the CO_NESTED flag.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17114
diff
changeset
|
3900 |
| 86 | 3901 |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
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|
3902 /* External interface to call any callable object. |
|
60130
04e775b33e9e
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|
3903 The arg must be a tuple or NULL. The kw must be a dict or NULL. */ |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
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diff
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|
3904 |
| 5368 | 3905 PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
3906 PyEval_CallObjectWithKeywords(PyObject *func, PyObject *arg, PyObject *kw) |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
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|
3907 { |
|
61467
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|
3908 PyObject *result; |
|
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|
3909 |
|
f197407bdba2
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|
3910 if (arg == NULL) { |
|
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|
3911 arg = PyTuple_New(0); |
|
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|
3912 if (arg == NULL) |
|
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|
3913 return NULL; |
|
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|
3914 } |
|
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|
3915 else if (!PyTuple_Check(arg)) { |
|
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|
3916 PyErr_SetString(PyExc_TypeError, |
|
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|
3917 "argument list must be a tuple"); |
|
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|
3918 return NULL; |
|
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|
3919 } |
|
f197407bdba2
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|
3920 else |
|
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|
3921 Py_INCREF(arg); |
|
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|
3922 |
|
f197407bdba2
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|
3923 if (kw != NULL && !PyDict_Check(kw)) { |
|
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|
3924 PyErr_SetString(PyExc_TypeError, |
|
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|
3925 "keyword list must be a dictionary"); |
|
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|
3926 Py_DECREF(arg); |
|
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|
3927 return NULL; |
|
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|
3928 } |
|
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|
3929 |
|
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|
3930 result = PyObject_Call(func, arg, kw); |
|
f197407bdba2
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|
3931 Py_DECREF(arg); |
|
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|
3932 return result; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
3933 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
3934 |
|
35999
9541369b0dca
Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
35745
diff
changeset
|
3935 const char * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18611
diff
changeset
|
3936 PyEval_GetFuncName(PyObject *func) |
|
17406
c9e07bc303a2
Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
diff
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|
3937 { |
|
61467
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|
3938 if (PyMethod_Check(func)) |
|
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|
3939 return PyEval_GetFuncName(PyMethod_GET_FUNCTION(func)); |
|
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|
3940 else if (PyFunction_Check(func)) |
|
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|
3941 return _PyUnicode_AsString(((PyFunctionObject*)func)->func_name); |
|
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|
3942 else if (PyCFunction_Check(func)) |
|
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|
3943 return ((PyCFunctionObject*)func)->m_ml->ml_name; |
|
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|
3944 else |
|
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|
3945 return func->ob_type->tp_name; |
|
17406
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Jeremy Hylton <jeremy@alum.mit.edu>
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17125
diff
changeset
|
3946 } |
|
c9e07bc303a2
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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changeset
|
3947 |
|
35999
9541369b0dca
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
35745
diff
changeset
|
3948 const char * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3949 PyEval_GetFuncDesc(PyObject *func) |
|
17406
c9e07bc303a2
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Jeremy Hylton <jeremy@alum.mit.edu>
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|
3950 { |
|
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|
3951 if (PyMethod_Check(func)) |
|
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|
3952 return "()"; |
|
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|
3953 else if (PyFunction_Check(func)) |
|
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|
3954 return "()"; |
|
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|
3955 else if (PyCFunction_Check(func)) |
|
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|
3956 return "()"; |
|
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|
3957 else |
|
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|
3958 return " object"; |
|
17406
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
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|
3959 } |
|
c9e07bc303a2
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
diff
changeset
|
3960 |
|
26141
6ce9228a3da2
Make private functions static so we don't pollute the namespace
Neal Norwitz <nnorwitz@gmail.com>
parents:
26110
diff
changeset
|
3961 static void |
|
24870
df2326a4894d
Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
24868
diff
changeset
|
3962 err_args(PyObject *func, int flags, int nargs) |
|
df2326a4894d
Inline fast_cfunction() in new call_function().
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parents:
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|
3963 { |
|
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3964 if (flags & METH_NOARGS) |
|
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3965 PyErr_Format(PyExc_TypeError, |
|
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|
3966 "%.200s() takes no arguments (%d given)", |
|
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|
3967 ((PyCFunctionObject *)func)->m_ml->ml_name, |
|
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|
3968 nargs); |
|
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|
3969 else |
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|
3970 PyErr_Format(PyExc_TypeError, |
|
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|
3971 "%.200s() takes exactly one argument (%d given)", |
|
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3972 ((PyCFunctionObject *)func)->m_ml->ml_name, |
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3973 nargs); |
|
24870
df2326a4894d
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|
3974 } |
|
df2326a4894d
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|
3975 |
|
35609
23dda92de993
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Armin Rigo <arigo@tunes.org>
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|
3976 #define C_TRACE(x, call) \ |
|
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|
3977 if (tstate->use_tracing && tstate->c_profilefunc) { \ |
|
61467
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3978 if (call_trace(tstate->c_profilefunc, \ |
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3979 tstate->c_profileobj, \ |
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3980 tstate->frame, PyTrace_C_CALL, \ |
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3981 func)) { \ |
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3982 x = NULL; \ |
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3983 } \ |
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3984 else { \ |
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|
3985 x = call; \ |
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3986 if (tstate->c_profilefunc != NULL) { \ |
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3987 if (x == NULL) { \ |
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3988 call_trace_protected(tstate->c_profilefunc, \ |
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3989 tstate->c_profileobj, \ |
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3990 tstate->frame, PyTrace_C_EXCEPTION, \ |
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3991 func); \ |
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3992 /* XXX should pass (type, value, tb) */ \ |
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3993 } else { \ |
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3994 if (call_trace(tstate->c_profilefunc, \ |
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3995 tstate->c_profileobj, \ |
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3996 tstate->frame, PyTrace_C_RETURN, \ |
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3997 func)) { \ |
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3998 Py_DECREF(x); \ |
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3999 x = NULL; \ |
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4000 } \ |
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4001 } \ |
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4002 } \ |
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4003 } \ |
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4004 } else { \ |
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4005 x = call; \ |
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4006 } |
|
31796
1c117dbb2def
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4007 |
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2306001f6eaa
Move body of CALL_FUNCTION opcode into helper function.
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4008 static PyObject * |
|
32301
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Martin v. Löwis <martin@v.loewis.de>
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4009 call_function(PyObject ***pp_stack, int oparg |
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4010 #ifdef WITH_TSC |
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4011 , uint64* pintr0, uint64* pintr1 |
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4012 #endif |
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4013 ) |
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4014 { |
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4015 int na = oparg & 0xff; |
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4016 int nk = (oparg>>8) & 0xff; |
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4017 int n = na + 2 * nk; |
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4018 PyObject **pfunc = (*pp_stack) - n - 1; |
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4019 PyObject *func = *pfunc; |
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4020 PyObject *x, *w; |
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4021 |
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4022 /* Always dispatch PyCFunction first, because these are |
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4023 presumed to be the most frequent callable object. |
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4024 */ |
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4025 if (PyCFunction_Check(func) && nk == 0) { |
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4026 int flags = PyCFunction_GET_FLAGS(func); |
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4027 PyThreadState *tstate = PyThreadState_GET(); |
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4028 |
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4029 PCALL(PCALL_CFUNCTION); |
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4030 if (flags & (METH_NOARGS | METH_O)) { |
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4031 PyCFunction meth = PyCFunction_GET_FUNCTION(func); |
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4032 PyObject *self = PyCFunction_GET_SELF(func); |
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4033 if (flags & METH_NOARGS && na == 0) { |
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4034 C_TRACE(x, (*meth)(self,NULL)); |
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4035 } |
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4036 else if (flags & METH_O && na == 1) { |
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4037 PyObject *arg = EXT_POP(*pp_stack); |
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4038 C_TRACE(x, (*meth)(self,arg)); |
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4039 Py_DECREF(arg); |
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4040 } |
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4041 else { |
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4042 err_args(func, flags, na); |
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4043 x = NULL; |
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4044 } |
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4045 } |
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4046 else { |
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4047 PyObject *callargs; |
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4048 callargs = load_args(pp_stack, na); |
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4049 READ_TIMESTAMP(*pintr0); |
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4050 C_TRACE(x, PyCFunction_Call(func,callargs,NULL)); |
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4051 READ_TIMESTAMP(*pintr1); |
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4052 Py_XDECREF(callargs); |
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4053 } |
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4054 } else { |
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4055 if (PyMethod_Check(func) && PyMethod_GET_SELF(func) != NULL) { |
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4056 /* optimize access to bound methods */ |
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4057 PyObject *self = PyMethod_GET_SELF(func); |
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4058 PCALL(PCALL_METHOD); |
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4059 PCALL(PCALL_BOUND_METHOD); |
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4060 Py_INCREF(self); |
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4061 func = PyMethod_GET_FUNCTION(func); |
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4062 Py_INCREF(func); |
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4063 Py_DECREF(*pfunc); |
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4064 *pfunc = self; |
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4065 na++; |
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4066 n++; |
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4067 } else |
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4068 Py_INCREF(func); |
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4069 READ_TIMESTAMP(*pintr0); |
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4070 if (PyFunction_Check(func)) |
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4071 x = fast_function(func, pp_stack, n, na, nk); |
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4072 else |
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4073 x = do_call(func, pp_stack, na, nk); |
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4074 READ_TIMESTAMP(*pintr1); |
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4075 Py_DECREF(func); |
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4076 } |
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4077 |
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4078 /* Clear the stack of the function object. Also removes |
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4079 the arguments in case they weren't consumed already |
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|
4080 (fast_function() and err_args() leave them on the stack). |
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4081 */ |
|
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4082 while ((*pp_stack) > pfunc) { |
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4083 w = EXT_POP(*pp_stack); |
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|
4084 Py_DECREF(w); |
|
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|
4085 PCALL(PCALL_POP); |
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4086 } |
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4087 return x; |
|
24868
2306001f6eaa
Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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|
4088 } |
|
2306001f6eaa
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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|
4089 |
|
24870
df2326a4894d
Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
24868
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|
4090 /* The fast_function() function optimize calls for which no argument |
|
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|
4091 tuple is necessary; the objects are passed directly from the stack. |
|
27712
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
27295
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|
4092 For the simplest case -- a function that takes only positional |
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16856c9514e0
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|
4093 arguments and is called with only positional arguments -- it |
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|
4094 inlines the most primitive frame setup code from |
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|
4095 PyEval_EvalCodeEx(), which vastly reduces the checks that must be |
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16856c9514e0
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|
4096 done before evaluating the frame. |
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4097 */ |
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4098 |
|
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|
4099 static PyObject * |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
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|
4100 fast_function(PyObject *func, PyObject ***pp_stack, int n, int na, int nk) |
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4101 { |
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4102 PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); |
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4103 PyObject *globals = PyFunction_GET_GLOBALS(func); |
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4104 PyObject *argdefs = PyFunction_GET_DEFAULTS(func); |
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4105 PyObject *kwdefs = PyFunction_GET_KW_DEFAULTS(func); |
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4106 PyObject **d = NULL; |
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4107 int nd = 0; |
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4108 |
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4109 PCALL(PCALL_FUNCTION); |
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4110 PCALL(PCALL_FAST_FUNCTION); |
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4111 if (argdefs == NULL && co->co_argcount == n && |
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4112 co->co_kwonlyargcount == 0 && nk==0 && |
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4113 co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { |
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4114 PyFrameObject *f; |
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4115 PyObject *retval = NULL; |
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4116 PyThreadState *tstate = PyThreadState_GET(); |
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4117 PyObject **fastlocals, **stack; |
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4118 int i; |
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4119 |
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4120 PCALL(PCALL_FASTER_FUNCTION); |
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4121 assert(globals != NULL); |
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4122 /* XXX Perhaps we should create a specialized |
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4123 PyFrame_New() that doesn't take locals, but does |
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4124 take builtins without sanity checking them. |
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4125 */ |
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4126 assert(tstate != NULL); |
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4127 f = PyFrame_New(tstate, co, globals, NULL); |
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4128 if (f == NULL) |
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4129 return NULL; |
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4130 |
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4131 fastlocals = f->f_localsplus; |
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4132 stack = (*pp_stack) - n; |
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4133 |
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4134 for (i = 0; i < n; i++) { |
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4135 Py_INCREF(*stack); |
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4136 fastlocals[i] = *stack++; |
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4137 } |
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4138 retval = PyEval_EvalFrameEx(f,0); |
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4139 ++tstate->recursion_depth; |
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4140 Py_DECREF(f); |
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4141 --tstate->recursion_depth; |
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4142 return retval; |
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4143 } |
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4144 if (argdefs != NULL) { |
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4145 d = &PyTuple_GET_ITEM(argdefs, 0); |
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4146 nd = Py_SIZE(argdefs); |
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4147 } |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
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4148 return PyEval_EvalCodeEx((PyObject*)co, globals, |
|
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4149 (PyObject *)NULL, (*pp_stack)-n, na, |
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4150 (*pp_stack)-2*nk, nk, d, nd, kwdefs, |
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4151 PyFunction_GET_CLOSURE(func)); |
|
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4152 } |
|
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4153 |
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|
4154 static PyObject * |
|
15899
152814f6cd11
This patch makes sure that the function name always appears in the error
Ka-Ping Yee <ping@zesty.ca>
parents:
15830
diff
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|
4155 update_keyword_args(PyObject *orig_kwdict, int nk, PyObject ***pp_stack, |
|
152814f6cd11
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Ka-Ping Yee <ping@zesty.ca>
parents:
15830
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|
4156 PyObject *func) |
|
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4157 { |
|
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4158 PyObject *kwdict = NULL; |
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4159 if (orig_kwdict == NULL) |
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4160 kwdict = PyDict_New(); |
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4161 else { |
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4162 kwdict = PyDict_Copy(orig_kwdict); |
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4163 Py_DECREF(orig_kwdict); |
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4164 } |
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4165 if (kwdict == NULL) |
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4166 return NULL; |
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4167 while (--nk >= 0) { |
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4168 int err; |
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4169 PyObject *value = EXT_POP(*pp_stack); |
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4170 PyObject *key = EXT_POP(*pp_stack); |
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4171 if (PyDict_GetItem(kwdict, key) != NULL) { |
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4172 PyErr_Format(PyExc_TypeError, |
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4173 "%.200s%s got multiple values " |
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4174 "for keyword argument '%U'", |
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4175 PyEval_GetFuncName(func), |
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4176 PyEval_GetFuncDesc(func), |
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4177 key); |
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4178 Py_DECREF(key); |
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4179 Py_DECREF(value); |
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4180 Py_DECREF(kwdict); |
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4181 return NULL; |
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4182 } |
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4183 err = PyDict_SetItem(kwdict, key, value); |
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4184 Py_DECREF(key); |
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4185 Py_DECREF(value); |
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4186 if (err) { |
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|
4187 Py_DECREF(kwdict); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4188 return NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4189 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4190 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4191 return kwdict; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4192 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4193 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4194 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4195 update_star_args(int nstack, int nstar, PyObject *stararg, |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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|
4196 PyObject ***pp_stack) |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
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|
4197 { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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|
4198 PyObject *callargs, *w; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4199 |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4200 callargs = PyTuple_New(nstack + nstar); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4201 if (callargs == NULL) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4202 return NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4203 } |
|
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|
4204 if (nstar) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4205 int i; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4206 for (i = 0; i < nstar; i++) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4207 PyObject *a = PyTuple_GET_ITEM(stararg, i); |
|
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|
4208 Py_INCREF(a); |
|
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|
4209 PyTuple_SET_ITEM(callargs, nstack + i, a); |
|
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|
4210 } |
|
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|
4211 } |
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|
4212 while (--nstack >= 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4213 w = EXT_POP(*pp_stack); |
|
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|
4214 PyTuple_SET_ITEM(callargs, nstack, w); |
|
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|
4215 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4216 return callargs; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4217 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4218 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4219 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4220 load_args(PyObject ***pp_stack, int na) |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
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|
4221 { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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|
4222 PyObject *args = PyTuple_New(na); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4223 PyObject *w; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4224 |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4225 if (args == NULL) |
|
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|
4226 return NULL; |
|
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|
4227 while (--na >= 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4228 w = EXT_POP(*pp_stack); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4229 PyTuple_SET_ITEM(args, na, w); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4230 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4231 return args; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4232 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4233 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4234 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4235 do_call(PyObject *func, PyObject ***pp_stack, int na, int nk) |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
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|
4236 { |
|
61467
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|
4237 PyObject *callargs = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4238 PyObject *kwdict = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4239 PyObject *result = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4240 |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4241 if (nk > 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4242 kwdict = update_keyword_args(NULL, nk, pp_stack, func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4243 if (kwdict == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4244 goto call_fail; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4245 } |
|
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|
4246 callargs = load_args(pp_stack, na); |
|
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|
4247 if (callargs == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4248 goto call_fail; |
|
27712
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
27295
diff
changeset
|
4249 #ifdef CALL_PROFILE |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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|
4250 /* At this point, we have to look at the type of func to |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4251 update the call stats properly. Do it here so as to avoid |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4252 exposing the call stats machinery outside ceval.c |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4253 */ |
|
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|
4254 if (PyFunction_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4255 PCALL(PCALL_FUNCTION); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4256 else if (PyMethod_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4257 PCALL(PCALL_METHOD); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4258 else if (PyType_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4259 PCALL(PCALL_TYPE); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4260 else if (PyCFunction_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4261 PCALL(PCALL_CFUNCTION); |
|
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|
4262 else |
|
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diff
changeset
|
4263 PCALL(PCALL_OTHER); |
|
27712
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
27295
diff
changeset
|
4264 #endif |
|
61467
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|
4265 if (PyCFunction_Check(func)) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4266 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
4267 C_TRACE(result, PyCFunction_Call(func, callargs, kwdict)); |
|
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|
4268 } |
|
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|
4269 else |
|
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|
4270 result = PyObject_Call(func, callargs, kwdict); |
| 43411 | 4271 call_fail: |
|
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|
4272 Py_XDECREF(callargs); |
|
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|
4273 Py_XDECREF(kwdict); |
|
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|
4274 return result; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4275 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4276 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4277 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4278 ext_do_call(PyObject *func, PyObject ***pp_stack, int flags, int na, int nk) |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
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|
4279 { |
|
61467
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|
4280 int nstar = 0; |
|
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|
4281 PyObject *callargs = NULL; |
|
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|
4282 PyObject *stararg = NULL; |
|
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|
4283 PyObject *kwdict = NULL; |
|
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|
4284 PyObject *result = NULL; |
|
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|
4285 |
|
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|
4286 if (flags & CALL_FLAG_KW) { |
|
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|
4287 kwdict = EXT_POP(*pp_stack); |
|
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|
4288 if (!PyDict_Check(kwdict)) { |
|
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|
4289 PyObject *d; |
|
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|
4290 d = PyDict_New(); |
|
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|
4291 if (d == NULL) |
|
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|
4292 goto ext_call_fail; |
|
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changeset
|
4293 if (PyDict_Update(d, kwdict) != 0) { |
|
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|
4294 Py_DECREF(d); |
|
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|
4295 /* PyDict_Update raises attribute |
|
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|
4296 * error (percolated from an attempt |
|
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|
4297 * to get 'keys' attribute) instead of |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4298 * a type error if its second argument |
|
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|
4299 * is not a mapping. |
|
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|
4300 */ |
|
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|
4301 if (PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
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|
4302 PyErr_Format(PyExc_TypeError, |
|
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|
4303 "%.200s%.200s argument after ** " |
|
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|
4304 "must be a mapping, not %.200s", |
|
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|
4305 PyEval_GetFuncName(func), |
|
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|
4306 PyEval_GetFuncDesc(func), |
|
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|
4307 kwdict->ob_type->tp_name); |
|
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|
4308 } |
|
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|
4309 goto ext_call_fail; |
|
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|
4310 } |
|
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|
4311 Py_DECREF(kwdict); |
|
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|
4312 kwdict = d; |
|
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|
4313 } |
|
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|
4314 } |
|
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|
4315 if (flags & CALL_FLAG_VAR) { |
|
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|
4316 stararg = EXT_POP(*pp_stack); |
|
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|
4317 if (!PyTuple_Check(stararg)) { |
|
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|
4318 PyObject *t = NULL; |
|
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|
4319 t = PySequence_Tuple(stararg); |
|
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|
4320 if (t == NULL) { |
|
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|
4321 if (PyErr_ExceptionMatches(PyExc_TypeError)) { |
|
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|
4322 PyErr_Format(PyExc_TypeError, |
|
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|
4323 "%.200s%.200s argument after * " |
|
68822
d3ae3fe3eb97
Issue #7330, #10833: Replace %100s by %.100s and %200s by %.200s
Victor Stinner <victor.stinner@haypocalc.com>
parents:
68587
diff
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|
4324 "must be a sequence, not %.200s", |
|
61467
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|
4325 PyEval_GetFuncName(func), |
|
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|
4326 PyEval_GetFuncDesc(func), |
|
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|
4327 stararg->ob_type->tp_name); |
|
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4328 } |
|
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|
4329 goto ext_call_fail; |
|
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4330 } |
|
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|
4331 Py_DECREF(stararg); |
|
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|
4332 stararg = t; |
|
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|
4333 } |
|
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|
4334 nstar = PyTuple_GET_SIZE(stararg); |
|
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4335 } |
|
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|
4336 if (nk > 0) { |
|
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|
4337 kwdict = update_keyword_args(kwdict, nk, pp_stack, func); |
|
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|
4338 if (kwdict == NULL) |
|
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|
4339 goto ext_call_fail; |
|
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4340 } |
|
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|
4341 callargs = update_star_args(na, nstar, stararg, pp_stack); |
|
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|
4342 if (callargs == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4343 goto ext_call_fail; |
|
27712
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
27295
diff
changeset
|
4344 #ifdef CALL_PROFILE |
|
61467
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|
4345 /* At this point, we have to look at the type of func to |
|
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|
4346 update the call stats properly. Do it here so as to avoid |
|
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|
4347 exposing the call stats machinery outside ceval.c |
|
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|
4348 */ |
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|
4349 if (PyFunction_Check(func)) |
|
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|
4350 PCALL(PCALL_FUNCTION); |
|
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|
4351 else if (PyMethod_Check(func)) |
|
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|
4352 PCALL(PCALL_METHOD); |
|
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|
4353 else if (PyType_Check(func)) |
|
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|
4354 PCALL(PCALL_TYPE); |
|
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|
4355 else if (PyCFunction_Check(func)) |
|
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|
4356 PCALL(PCALL_CFUNCTION); |
|
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|
4357 else |
|
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|
4358 PCALL(PCALL_OTHER); |
|
27712
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
27295
diff
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|
4359 #endif |
|
61467
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|
4360 if (PyCFunction_Check(func)) { |
|
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|
4361 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
4362 C_TRACE(result, PyCFunction_Call(func, callargs, kwdict)); |
|
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|
4363 } |
|
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|
4364 else |
|
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|
4365 result = PyObject_Call(func, callargs, kwdict); |
|
43410
b06b191b7cfa
Merged revisions 58203-58210 via svnmerge from
Thomas Wouters <thomas@python.org>
parents:
43188
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|
4366 ext_call_fail: |
|
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|
4367 Py_XDECREF(callargs); |
|
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|
4368 Py_XDECREF(kwdict); |
|
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|
4369 Py_XDECREF(stararg); |
|
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|
4370 return result; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4371 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4372 |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36877
diff
changeset
|
4373 /* Extract a slice index from a PyInt or PyLong or an object with the |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36877
diff
changeset
|
4374 nb_index slot defined, and store in *pi. |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36877
diff
changeset
|
4375 Silently reduce values larger than PY_SSIZE_T_MAX to PY_SSIZE_T_MAX, |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36877
diff
changeset
|
4376 and silently boost values less than -PY_SSIZE_T_MAX-1 to -PY_SSIZE_T_MAX-1. |
|
36558
d3685f9b7b71
Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents:
36501
diff
changeset
|
4377 Return 0 on error, 1 on success. |
|
21440
30efe46f8e3c
_PyEval_SliceIndex(): Repaired the comments, and added XXX comments
Tim Peters <tim.peters@gmail.com>
parents:
21398
diff
changeset
|
4378 */ |
|
21441
05ad7a69d933
_PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents:
21440
diff
changeset
|
4379 /* Note: If v is NULL, return success without storing into *pi. This |
|
05ad7a69d933
_PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents:
21440
diff
changeset
|
4380 is because_PyEval_SliceIndex() is called by apply_slice(), which can be |
|
05ad7a69d933
_PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents:
21440
diff
changeset
|
4381 called by the SLICE opcode with v and/or w equal to NULL. |
|
21440
30efe46f8e3c
_PyEval_SliceIndex(): Repaired the comments, and added XXX comments
Tim Peters <tim.peters@gmail.com>
parents:
21398
diff
changeset
|
4382 */ |
| 12614 | 4383 int |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36475
diff
changeset
|
4384 _PyEval_SliceIndex(PyObject *v, Py_ssize_t *pi) |
| 69 | 4385 { |
|
61467
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|
4386 if (v != NULL) { |
|
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|
4387 Py_ssize_t x; |
|
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|
4388 if (PyIndex_Check(v)) { |
|
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|
4389 x = PyNumber_AsSsize_t(v, NULL); |
|
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|
4390 if (x == -1 && PyErr_Occurred()) |
|
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|
4391 return 0; |
|
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|
4392 } |
|
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|
4393 else { |
|
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|
4394 PyErr_SetString(PyExc_TypeError, |
|
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|
4395 "slice indices must be integers or " |
|
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|
4396 "None or have an __index__ method"); |
|
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|
4397 return 0; |
|
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4398 } |
|
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|
4399 *pi = x; |
|
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|
4400 } |
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|
4401 return 1; |
| 69 | 4402 } |
| 4403 | |
|
42132
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Guido van Rossum <guido@python.org>
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|
4404 #define CANNOT_CATCH_MSG "catching classes that do not inherit from "\ |
|
61467
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|
4405 "BaseException is not allowed" |
|
40942
4b9d0dac79cc
You can no longer catch non-BaseException objects; TypeError is raised if such
Brett Cannon <bcannon@gmail.com>
parents:
40937
diff
changeset
|
4406 |
| 5368 | 4407 static PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
4408 cmp_outcome(int op, register PyObject *v, register PyObject *w) |
| 69 | 4409 { |
|
61467
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|
4410 int res = 0; |
|
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|
4411 switch (op) { |
|
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|
4412 case PyCmp_IS: |
|
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|
4413 res = (v == w); |
|
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|
4414 break; |
|
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|
4415 case PyCmp_IS_NOT: |
|
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4416 res = (v != w); |
|
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4417 break; |
|
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|
4418 case PyCmp_IN: |
|
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4419 res = PySequence_Contains(w, v); |
|
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4420 if (res < 0) |
|
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|
4421 return NULL; |
|
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|
4422 break; |
|
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4423 case PyCmp_NOT_IN: |
|
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4424 res = PySequence_Contains(w, v); |
|
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|
4425 if (res < 0) |
|
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4426 return NULL; |
|
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|
4427 res = !res; |
|
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4428 break; |
|
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4429 case PyCmp_EXC_MATCH: |
|
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4430 if (PyTuple_Check(w)) { |
|
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4431 Py_ssize_t i, length; |
|
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4432 length = PyTuple_Size(w); |
|
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4433 for (i = 0; i < length; i += 1) { |
|
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4434 PyObject *exc = PyTuple_GET_ITEM(w, i); |
|
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4435 if (!PyExceptionClass_Check(exc)) { |
|
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|
4436 PyErr_SetString(PyExc_TypeError, |
|
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|
4437 CANNOT_CATCH_MSG); |
|
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4438 return NULL; |
|
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4439 } |
|
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4440 } |
|
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4441 } |
|
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4442 else { |
|
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4443 if (!PyExceptionClass_Check(w)) { |
|
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|
4444 PyErr_SetString(PyExc_TypeError, |
|
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|
4445 CANNOT_CATCH_MSG); |
|
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|
4446 return NULL; |
|
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|
4447 } |
|
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|
4448 } |
|
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4449 res = PyErr_GivenExceptionMatches(v, w); |
|
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4450 break; |
|
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4451 default: |
|
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4452 return PyObject_RichCompare(v, w, op); |
|
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4453 } |
|
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4454 v = res ? Py_True : Py_False; |
|
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|
4455 Py_INCREF(v); |
|
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|
4456 return v; |
| 69 | 4457 } |
| 4458 | |
|
14038
18385172fac0
Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents:
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diff
changeset
|
4459 static PyObject * |
|
18385172fac0
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Thomas Wouters <thomas@python.org>
parents:
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diff
changeset
|
4460 import_from(PyObject *v, PyObject *name) |
|
72
5e8a0b40a4bd
Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents:
69
diff
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|
4461 { |
|
61467
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4462 PyObject *x; |
|
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4463 |
|
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4464 x = PyObject_GetAttr(v, name); |
|
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4465 if (x == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
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|
4466 PyErr_Format(PyExc_ImportError, "cannot import name %S", name); |
|
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|
4467 } |
|
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4468 return x; |
|
14038
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Thomas Wouters <thomas@python.org>
parents:
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changeset
|
4469 } |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
diff
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|
4470 |
|
14038
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Thomas Wouters <thomas@python.org>
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|
4471 static int |
|
18385172fac0
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Thomas Wouters <thomas@python.org>
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|
4472 import_all_from(PyObject *locals, PyObject *v) |
|
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Thomas Wouters <thomas@python.org>
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|
4473 { |
|
72926
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
72925
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|
4474 _Py_IDENTIFIER(__all__); |
|
db4aa878cea2
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|
4475 _Py_IDENTIFIER(__dict__); |
|
db4aa878cea2
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|
4476 PyObject *all = _PyObject_GetAttrId(v, &PyId___all__); |
|
61467
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4477 PyObject *dict, *name, *value; |
|
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4478 int skip_leading_underscores = 0; |
|
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|
4479 int pos, err; |
|
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4480 |
|
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4481 if (all == NULL) { |
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4482 if (!PyErr_ExceptionMatches(PyExc_AttributeError)) |
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|
4483 return -1; /* Unexpected error */ |
|
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|
4484 PyErr_Clear(); |
|
72926
db4aa878cea2
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|
4485 dict = _PyObject_GetAttrId(v, &PyId___dict__); |
|
61467
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|
4486 if (dict == NULL) { |
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4487 if (!PyErr_ExceptionMatches(PyExc_AttributeError)) |
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4488 return -1; |
|
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|
4489 PyErr_SetString(PyExc_ImportError, |
|
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4490 "from-import-* object has no __dict__ and no __all__"); |
|
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4491 return -1; |
|
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4492 } |
|
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4493 all = PyMapping_Keys(dict); |
|
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|
4494 Py_DECREF(dict); |
|
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|
4495 if (all == NULL) |
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4496 return -1; |
|
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4497 skip_leading_underscores = 1; |
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4498 } |
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|
4499 |
|
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4500 for (pos = 0, err = 0; ; pos++) { |
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4501 name = PySequence_GetItem(all, pos); |
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4502 if (name == NULL) { |
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4503 if (!PyErr_ExceptionMatches(PyExc_IndexError)) |
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4504 err = -1; |
|
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4505 else |
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4506 PyErr_Clear(); |
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4507 break; |
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4508 } |
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4509 if (skip_leading_underscores && |
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|
4510 PyUnicode_Check(name) && |
| 72475 | 4511 PyUnicode_READY(name) != -1 && |
| 4512 PyUnicode_READ_CHAR(name, 0) == '_') | |
|
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4513 { |
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4514 Py_DECREF(name); |
|
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4515 continue; |
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4516 } |
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4517 value = PyObject_GetAttr(v, name); |
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4518 if (value == NULL) |
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4519 err = -1; |
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4520 else if (PyDict_CheckExact(locals)) |
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diff
changeset
|
4521 err = PyDict_SetItem(locals, name, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4522 else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4523 err = PyObject_SetItem(locals, name, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4524 Py_DECREF(name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4525 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4526 if (err != 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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|
4527 break; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4528 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4529 Py_DECREF(all); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4530 return err; |
|
72
5e8a0b40a4bd
Free parse tree after compiling.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
4531 } |
|
5e8a0b40a4bd
Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
4532 |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
diff
changeset
|
4533 static void |
| 42860 | 4534 format_exc_check_arg(PyObject *exc, const char *format_str, PyObject *obj) |
|
14268
cd8b815cb196
Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents:
14238
diff
changeset
|
4535 { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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|
4536 const char *obj_str; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4537 |
|
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changeset
|
4538 if (!obj) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4539 return; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
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|
4540 |
|
f197407bdba2
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changeset
|
4541 obj_str = _PyUnicode_AsString(obj); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4542 if (!obj_str) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4543 return; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4544 |
|
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|
4545 PyErr_Format(exc, format_str, obj_str); |
|
14268
cd8b815cb196
Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents:
14238
diff
changeset
|
4546 } |
|
5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4547 |
|
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
|
4548 static void |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4549 format_exc_unbound(PyCodeObject *co, int oparg) |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4550 { |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4551 PyObject *name; |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4552 /* Don't stomp existing exception */ |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4553 if (PyErr_Occurred()) |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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|
4554 return; |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4555 if (oparg < PyTuple_GET_SIZE(co->co_cellvars)) { |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4556 name = PyTuple_GET_ITEM(co->co_cellvars, |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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|
4557 oparg); |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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diff
changeset
|
4558 format_exc_check_arg( |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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diff
changeset
|
4559 PyExc_UnboundLocalError, |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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changeset
|
4560 UNBOUNDLOCAL_ERROR_MSG, |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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|
4561 name); |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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changeset
|
4562 } else { |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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diff
changeset
|
4563 name = PyTuple_GET_ITEM(co->co_freevars, oparg - |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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diff
changeset
|
4564 PyTuple_GET_SIZE(co->co_cellvars)); |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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diff
changeset
|
4565 format_exc_check_arg(PyExc_NameError, |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
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changeset
|
4566 UNBOUNDFREE_ERROR_MSG, name); |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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changeset
|
4567 } |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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diff
changeset
|
4568 } |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
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parents:
64439
diff
changeset
|
4569 |
|
72605
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4570 static PyObject * |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4571 unicode_concatenate(PyObject *v, PyObject *w, |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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diff
changeset
|
4572 PyFrameObject *f, unsigned char *next_instr) |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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|
4573 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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diff
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|
4574 PyObject *res; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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diff
changeset
|
4575 if (Py_REFCNT(v) == 2) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4576 /* In the common case, there are 2 references to the value |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4577 * stored in 'variable' when the += is performed: one on the |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4578 * value stack (in 'v') and one still stored in the |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4579 * 'variable'. We try to delete the variable now to reduce |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
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|
4580 * the refcnt to 1. |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
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|
4581 */ |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4582 switch (*next_instr) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4583 case STORE_FAST: |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4584 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4585 int oparg = PEEKARG(); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4586 PyObject **fastlocals = f->f_localsplus; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4587 if (GETLOCAL(oparg) == v) |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
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|
4588 SETLOCAL(oparg, NULL); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4589 break; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4590 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4591 case STORE_DEREF: |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4592 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4593 PyObject **freevars = (f->f_localsplus + |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4594 f->f_code->co_nlocals); |
|
07d27d865e2c
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parents:
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diff
changeset
|
4595 PyObject *c = freevars[PEEKARG()]; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4596 if (PyCell_GET(c) == v) |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4597 PyCell_Set(c, NULL); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4598 break; |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4599 } |
|
07d27d865e2c
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diff
changeset
|
4600 case STORE_NAME: |
|
07d27d865e2c
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diff
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|
4601 { |
|
07d27d865e2c
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diff
changeset
|
4602 PyObject *names = f->f_code->co_names; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4603 PyObject *name = GETITEM(names, PEEKARG()); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4604 PyObject *locals = f->f_locals; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4605 if (PyDict_CheckExact(locals) && |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4606 PyDict_GetItem(locals, name) == v) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4607 if (PyDict_DelItem(locals, name) != 0) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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72558
diff
changeset
|
4608 PyErr_Clear(); |
|
07d27d865e2c
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parents:
72558
diff
changeset
|
4609 } |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4610 } |
|
07d27d865e2c
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parents:
72558
diff
changeset
|
4611 break; |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4612 } |
|
07d27d865e2c
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parents:
72558
diff
changeset
|
4613 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4614 } |
|
07d27d865e2c
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diff
changeset
|
4615 res = v; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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parents:
72558
diff
changeset
|
4616 PyUnicode_Append(&res, w); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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parents:
72558
diff
changeset
|
4617 return res; |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4618 } |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
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72558
diff
changeset
|
4619 |
|
5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4620 #ifdef DYNAMIC_EXECUTION_PROFILE |
|
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4621 |
|
20438
08d7a6756bfe
make getarray static - it's only called from ceval.c and is not an
Skip Montanaro <skip@pobox.com>
parents:
20409
diff
changeset
|
4622 static PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
4623 getarray(long a[256]) |
|
5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4624 { |
|
61467
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|
4625 int i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4626 PyObject *l = PyList_New(256); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4627 if (l == NULL) return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4628 for (i = 0; i < 256; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4629 PyObject *x = PyLong_FromLong(a[i]); |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
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4630 if (x == NULL) { |
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4631 Py_DECREF(l); |
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4632 return NULL; |
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Antoine Pitrou <solipsis@pitrou.net>
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4633 } |
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4634 PyList_SetItem(l, i, x); |
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Antoine Pitrou <solipsis@pitrou.net>
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4635 } |
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4636 for (i = 0; i < 256; i++) |
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4637 a[i] = 0; |
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4638 return l; |
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5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
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4639 } |
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946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
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4640 |
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Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
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4641 PyObject * |
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13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
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4642 _Py_GetDXProfile(PyObject *self, PyObject *args) |
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Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
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4643 { |
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946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
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4644 #ifndef DXPAIRS |
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61467
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4645 return getarray(dxp); |
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Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
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4646 #else |
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61467
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4647 int i; |
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Antoine Pitrou <solipsis@pitrou.net>
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4648 PyObject *l = PyList_New(257); |
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4649 if (l == NULL) return NULL; |
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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4650 for (i = 0; i < 257; i++) { |
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parents:
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4651 PyObject *x = getarray(dxpairs[i]); |
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4652 if (x == NULL) { |
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Antoine Pitrou <solipsis@pitrou.net>
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4653 Py_DECREF(l); |
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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4654 return NULL; |
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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4655 } |
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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4656 PyList_SetItem(l, i, x); |
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Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
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4657 } |
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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4658 return l; |
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5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
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4659 #endif |
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946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
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4660 } |
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946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
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4661 |
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Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
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4662 #endif |