Mercurial > cpython-lru_cache-weakref
annotate Python/ceval.c @ 86301:500b4b62c19a
Issue #19219 Remove a lot of "retval = NULL" statements, now that retval
is pre-initialized to that value. Test show a 5% speedup as a bonus.
| author | Kristján Valur Jónsson <kristjan@ccpgames.com> |
|---|---|
| date | Sun, 13 Oct 2013 13:41:59 +0000 |
| parents | 3ce0102e4c1f |
| children | 4ef4578db38a |
| 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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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" |
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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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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 unsigned long tbu, tb, tbu2; |
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| 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 } |
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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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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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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 |
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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 *); |
| 42860 | 137 static void format_exc_check_arg(PyObject *, const char *, 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 *, _Py_Identifier *); |
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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 UNBOUNDLOCAL_ERROR_MSG \ |
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146 "local variable '%.200s' referenced before assignment" |
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147 #define UNBOUNDFREE_ERROR_MSG \ |
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148 "free variable '%.200s' referenced before assignment" \ |
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149 " in enclosing scope" |
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150 |
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151 /* Dynamic execution profile */ |
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152 #ifdef DYNAMIC_EXECUTION_PROFILE |
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153 #ifdef DXPAIRS |
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154 static long dxpairs[257][256]; |
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155 #define dxp dxpairs[256] |
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156 #else |
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157 static long dxp[256]; |
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158 #endif |
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159 #endif |
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160 |
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161 /* Function call profile */ |
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162 #ifdef CALL_PROFILE |
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163 #define PCALL_NUM 11 |
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164 static int pcall[PCALL_NUM]; |
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165 |
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166 #define PCALL_ALL 0 |
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167 #define PCALL_FUNCTION 1 |
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168 #define PCALL_FAST_FUNCTION 2 |
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169 #define PCALL_FASTER_FUNCTION 3 |
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170 #define PCALL_METHOD 4 |
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171 #define PCALL_BOUND_METHOD 5 |
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172 #define PCALL_CFUNCTION 6 |
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173 #define PCALL_TYPE 7 |
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174 #define PCALL_GENERATOR 8 |
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175 #define PCALL_OTHER 9 |
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176 #define PCALL_POP 10 |
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177 |
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178 /* Notes about the statistics |
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179 |
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180 PCALL_FAST stats |
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181 |
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182 FAST_FUNCTION means no argument tuple needs to be created. |
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183 FASTER_FUNCTION means that the fast-path frame setup code is used. |
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184 |
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185 If there is a method call where the call can be optimized by changing |
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186 the argument tuple and calling the function directly, it gets recorded |
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187 twice. |
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188 |
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189 As a result, the relationship among the statistics appears to be |
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190 PCALL_ALL == PCALL_FUNCTION + PCALL_METHOD - PCALL_BOUND_METHOD + |
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191 PCALL_CFUNCTION + PCALL_TYPE + PCALL_GENERATOR + PCALL_OTHER |
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192 PCALL_FUNCTION > PCALL_FAST_FUNCTION > PCALL_FASTER_FUNCTION |
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193 PCALL_METHOD > PCALL_BOUND_METHOD |
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194 */ |
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195 |
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196 #define PCALL(POS) pcall[POS]++ |
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197 |
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198 PyObject * |
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199 PyEval_GetCallStats(PyObject *self) |
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200 { |
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201 return Py_BuildValue("iiiiiiiiiii", |
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202 pcall[0], pcall[1], pcall[2], pcall[3], |
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203 pcall[4], pcall[5], pcall[6], pcall[7], |
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204 pcall[8], pcall[9], pcall[10]); |
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205 } |
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206 #else |
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207 #define PCALL(O) |
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208 |
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209 PyObject * |
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210 PyEval_GetCallStats(PyObject *self) |
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211 { |
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212 Py_INCREF(Py_None); |
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213 return Py_None; |
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214 } |
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215 #endif |
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216 |
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217 |
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218 #ifdef WITH_THREAD |
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219 #define GIL_REQUEST _Py_atomic_load_relaxed(&gil_drop_request) |
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220 #else |
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221 #define GIL_REQUEST 0 |
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222 #endif |
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223 |
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224 /* This can set eval_breaker to 0 even though gil_drop_request became |
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225 1. We believe this is all right because the eval loop will release |
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226 the GIL eventually anyway. */ |
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227 #define COMPUTE_EVAL_BREAKER() \ |
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228 _Py_atomic_store_relaxed( \ |
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229 &eval_breaker, \ |
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230 GIL_REQUEST | \ |
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231 _Py_atomic_load_relaxed(&pendingcalls_to_do) | \ |
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232 pending_async_exc) |
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233 |
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234 #ifdef WITH_THREAD |
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235 |
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236 #define SET_GIL_DROP_REQUEST() \ |
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237 do { \ |
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238 _Py_atomic_store_relaxed(&gil_drop_request, 1); \ |
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239 _Py_atomic_store_relaxed(&eval_breaker, 1); \ |
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240 } while (0) |
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241 |
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242 #define RESET_GIL_DROP_REQUEST() \ |
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243 do { \ |
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244 _Py_atomic_store_relaxed(&gil_drop_request, 0); \ |
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245 COMPUTE_EVAL_BREAKER(); \ |
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246 } while (0) |
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247 |
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248 #endif |
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249 |
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250 /* Pending calls are only modified under pending_lock */ |
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251 #define SIGNAL_PENDING_CALLS() \ |
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252 do { \ |
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253 _Py_atomic_store_relaxed(&pendingcalls_to_do, 1); \ |
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254 _Py_atomic_store_relaxed(&eval_breaker, 1); \ |
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255 } while (0) |
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256 |
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257 #define UNSIGNAL_PENDING_CALLS() \ |
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258 do { \ |
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259 _Py_atomic_store_relaxed(&pendingcalls_to_do, 0); \ |
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260 COMPUTE_EVAL_BREAKER(); \ |
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261 } while (0) |
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262 |
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263 #define SIGNAL_ASYNC_EXC() \ |
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264 do { \ |
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265 pending_async_exc = 1; \ |
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266 _Py_atomic_store_relaxed(&eval_breaker, 1); \ |
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267 } while (0) |
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268 |
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269 #define UNSIGNAL_ASYNC_EXC() \ |
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270 do { pending_async_exc = 0; COMPUTE_EVAL_BREAKER(); } while (0) |
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271 |
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272 |
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273 #ifdef WITH_THREAD |
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274 |
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275 #ifdef HAVE_ERRNO_H |
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276 #include <errno.h> |
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277 #endif |
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278 #include "pythread.h" |
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280 static PyThread_type_lock pending_lock = 0; /* for pending calls */ |
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281 static long main_thread = 0; |
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282 /* This single variable consolidates all requests to break out of the fast path |
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283 in the eval loop. */ |
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284 static _Py_atomic_int eval_breaker = {0}; |
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285 /* Request for dropping the GIL */ |
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286 static _Py_atomic_int gil_drop_request = {0}; |
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287 /* Request for running pending calls. */ |
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288 static _Py_atomic_int pendingcalls_to_do = {0}; |
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289 /* Request for looking at the `async_exc` field of the current thread state. |
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290 Guarded by the GIL. */ |
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291 static int pending_async_exc = 0; |
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292 |
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293 #include "ceval_gil.h" |
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294 |
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295 int |
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296 PyEval_ThreadsInitialized(void) |
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297 { |
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298 return gil_created(); |
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299 } |
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300 |
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301 void |
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302 PyEval_InitThreads(void) |
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303 { |
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304 if (gil_created()) |
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305 return; |
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306 create_gil(); |
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307 take_gil(PyThreadState_GET()); |
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308 main_thread = PyThread_get_thread_ident(); |
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309 if (!pending_lock) |
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310 pending_lock = PyThread_allocate_lock(); |
| 926 | 311 } |
| 312 | |
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313 void |
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314 _PyEval_FiniThreads(void) |
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315 { |
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316 if (!gil_created()) |
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317 return; |
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318 destroy_gil(); |
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319 assert(!gil_created()); |
| 926 | 320 } |
| 321 | |
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322 void |
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323 PyEval_AcquireLock(void) |
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324 { |
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325 PyThreadState *tstate = PyThreadState_GET(); |
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326 if (tstate == NULL) |
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327 Py_FatalError("PyEval_AcquireLock: current thread state is NULL"); |
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328 take_gil(tstate); |
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329 } |
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330 |
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331 void |
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332 PyEval_ReleaseLock(void) |
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333 { |
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334 /* This function must succeed when the current thread state is NULL. |
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335 We therefore avoid PyThreadState_GET() which dumps a fatal error |
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336 in debug mode. |
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337 */ |
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338 drop_gil((PyThreadState*)_Py_atomic_load_relaxed( |
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339 &_PyThreadState_Current)); |
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340 } |
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341 |
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342 void |
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343 PyEval_AcquireThread(PyThreadState *tstate) |
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344 { |
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345 if (tstate == NULL) |
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346 Py_FatalError("PyEval_AcquireThread: NULL new thread state"); |
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347 /* Check someone has called PyEval_InitThreads() to create the lock */ |
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348 assert(gil_created()); |
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349 take_gil(tstate); |
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350 if (PyThreadState_Swap(tstate) != NULL) |
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351 Py_FatalError( |
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352 "PyEval_AcquireThread: non-NULL old thread state"); |
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353 } |
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354 |
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355 void |
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356 PyEval_ReleaseThread(PyThreadState *tstate) |
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357 { |
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358 if (tstate == NULL) |
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359 Py_FatalError("PyEval_ReleaseThread: NULL thread state"); |
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360 if (PyThreadState_Swap(NULL) != tstate) |
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361 Py_FatalError("PyEval_ReleaseThread: wrong thread state"); |
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362 drop_gil(tstate); |
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363 } |
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364 |
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365 /* This function is called from PyOS_AfterFork to destroy all threads which are |
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366 * not running in the child process, and clear internal locks which might be |
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367 * held by those threads. (This could also be done using pthread_atfork |
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368 * mechanism, at least for the pthreads implementation.) */ |
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369 |
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370 void |
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371 PyEval_ReInitThreads(void) |
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372 { |
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373 _Py_IDENTIFIER(_after_fork); |
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374 PyObject *threading, *result; |
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375 PyThreadState *current_tstate = PyThreadState_GET(); |
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376 |
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377 if (!gil_created()) |
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378 return; |
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379 recreate_gil(); |
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380 pending_lock = PyThread_allocate_lock(); |
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381 take_gil(current_tstate); |
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382 main_thread = PyThread_get_thread_ident(); |
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383 |
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384 /* Update the threading module with the new state. |
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385 */ |
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386 threading = PyMapping_GetItemString(current_tstate->interp->modules, |
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387 "threading"); |
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388 if (threading == NULL) { |
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389 /* threading not imported */ |
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390 PyErr_Clear(); |
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391 return; |
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392 } |
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393 result = _PyObject_CallMethodId(threading, &PyId__after_fork, NULL); |
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394 if (result == NULL) |
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395 PyErr_WriteUnraisable(threading); |
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396 else |
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397 Py_DECREF(result); |
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398 Py_DECREF(threading); |
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399 |
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400 /* Destroy all threads except the current one */ |
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401 _PyThreadState_DeleteExcept(current_tstate); |
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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 } |
| 926 | 417 |
| 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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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_RETURN = 0x0008, /* 'return' statement */ |
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746 WHY_BREAK = 0x0010, /* 'break' statement */ |
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747 WHY_CONTINUE = 0x0020, /* 'continue' statement */ |
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748 WHY_YIELD = 0x0040, /* 'yield' operator */ |
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749 WHY_SILENCED = 0x0080 /* Exception silenced by 'with' */ |
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750 }; |
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751 |
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752 static void save_exc_state(PyThreadState *, PyFrameObject *); |
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753 static void swap_exc_state(PyThreadState *, PyFrameObject *); |
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754 static void restore_and_clear_exc_state(PyThreadState *, PyFrameObject *); |
| 79693 | 755 static int do_raise(PyObject *, PyObject *); |
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756 static int unpack_iterable(PyObject *, int, int, PyObject **); |
| 5018 | 757 |
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758 /* Records whether tracing is on for any thread. Counts the number of |
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759 threads for which tstate->c_tracefunc is non-NULL, so if the value |
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760 is 0, we know we don't have to check this thread's c_tracefunc. |
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761 This speeds up the if statement in PyEval_EvalFrameEx() after |
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762 fast_next_opcode*/ |
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763 static int _Py_TracingPossible = 0; |
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764 |
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765 |
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766 |
| 5368 | 767 PyObject * |
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768 PyEval_EvalCode(PyObject *co, PyObject *globals, PyObject *locals) |
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769 { |
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770 return PyEval_EvalCodeEx(co, |
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771 globals, locals, |
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772 (PyObject **)NULL, 0, |
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773 (PyObject **)NULL, 0, |
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774 (PyObject **)NULL, 0, |
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775 NULL, NULL); |
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776 } |
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777 |
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778 |
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779 /* Interpreter main loop */ |
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780 |
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781 PyObject * |
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782 PyEval_EvalFrame(PyFrameObject *f) { |
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783 /* This is for backward compatibility with extension modules that |
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784 used this API; core interpreter code should call |
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785 PyEval_EvalFrameEx() */ |
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786 return PyEval_EvalFrameEx(f, 0); |
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787 } |
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788 |
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789 PyObject * |
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790 PyEval_EvalFrameEx(PyFrameObject *f, int throwflag) |
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791 { |
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792 #ifdef DXPAIRS |
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793 int lastopcode = 0; |
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794 #endif |
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795 PyObject **stack_pointer; /* Next free slot in value stack */ |
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796 unsigned char *next_instr; |
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797 int opcode; /* Current opcode */ |
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798 int oparg; /* Current opcode argument, if any */ |
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799 enum why_code why; /* Reason for block stack unwind */ |
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800 PyObject **fastlocals, **freevars; |
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801 PyObject *retval = NULL; /* Return value */ |
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802 PyThreadState *tstate = PyThreadState_GET(); |
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803 PyCodeObject *co; |
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804 |
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805 /* when tracing we set things up so that |
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806 |
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807 not (instr_lb <= current_bytecode_offset < instr_ub) |
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808 |
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809 is true when the line being executed has changed. The |
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810 initial values are such as to make this false the first |
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811 time it is tested. */ |
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812 int instr_ub = -1, instr_lb = 0, instr_prev = -1; |
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813 |
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814 unsigned char *first_instr; |
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815 PyObject *names; |
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816 PyObject *consts; |
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817 |
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818 #ifdef LLTRACE |
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819 _Py_IDENTIFIER(__ltrace__); |
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820 #endif |
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821 |
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822 /* Computed GOTOs, or |
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823 the-optimization-commonly-but-improperly-known-as-"threaded code" |
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824 using gcc's labels-as-values extension |
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825 (http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html). |
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826 |
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827 The traditional bytecode evaluation loop uses a "switch" statement, which |
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828 decent compilers will optimize as a single indirect branch instruction |
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829 combined with a lookup table of jump addresses. However, since the |
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830 indirect jump instruction is shared by all opcodes, the CPU will have a |
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831 hard time making the right prediction for where to jump next (actually, |
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832 it will be always wrong except in the uncommon case of a sequence of |
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833 several identical opcodes). |
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834 |
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835 "Threaded code" in contrast, uses an explicit jump table and an explicit |
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836 indirect jump instruction at the end of each opcode. Since the jump |
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837 instruction is at a different address for each opcode, the CPU will make a |
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838 separate prediction for each of these instructions, which is equivalent to |
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839 predicting the second opcode of each opcode pair. These predictions have |
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840 a much better chance to turn out valid, especially in small bytecode loops. |
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841 |
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842 A mispredicted branch on a modern CPU flushes the whole pipeline and |
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843 can cost several CPU cycles (depending on the pipeline depth), |
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844 and potentially many more instructions (depending on the pipeline width). |
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845 A correctly predicted branch, however, is nearly free. |
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846 |
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847 At the time of this writing, the "threaded code" version is up to 15-20% |
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848 faster than the normal "switch" version, depending on the compiler and the |
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849 CPU architecture. |
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850 |
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851 We disable the optimization if DYNAMIC_EXECUTION_PROFILE is defined, |
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852 because it would render the measurements invalid. |
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853 |
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854 |
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855 NOTE: care must be taken that the compiler doesn't try to "optimize" the |
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856 indirect jumps by sharing them between all opcodes. Such optimizations |
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857 can be disabled on gcc by using the -fno-gcse flag (or possibly |
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858 -fno-crossjumping). |
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859 */ |
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860 |
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861 #ifdef DYNAMIC_EXECUTION_PROFILE |
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862 #undef USE_COMPUTED_GOTOS |
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863 #define USE_COMPUTED_GOTOS 0 |
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864 #endif |
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865 |
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866 #ifdef HAVE_COMPUTED_GOTOS |
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867 #ifndef USE_COMPUTED_GOTOS |
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868 #define USE_COMPUTED_GOTOS 1 |
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869 #endif |
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870 #else |
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871 #if defined(USE_COMPUTED_GOTOS) && USE_COMPUTED_GOTOS |
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872 #error "Computed gotos are not supported on this compiler." |
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873 #endif |
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874 #undef USE_COMPUTED_GOTOS |
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875 #define USE_COMPUTED_GOTOS 0 |
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876 #endif |
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877 |
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878 #if USE_COMPUTED_GOTOS |
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879 /* Import the static jump table */ |
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880 #include "opcode_targets.h" |
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881 |
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882 /* This macro is used when several opcodes defer to the same implementation |
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883 (e.g. SETUP_LOOP, SETUP_FINALLY) */ |
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884 #define TARGET_WITH_IMPL(op, impl) \ |
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885 TARGET_##op: \ |
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886 opcode = op; \ |
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887 if (HAS_ARG(op)) \ |
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888 oparg = NEXTARG(); \ |
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889 case op: \ |
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890 goto impl; \ |
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891 |
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892 #define TARGET(op) \ |
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893 TARGET_##op: \ |
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894 opcode = op; \ |
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895 if (HAS_ARG(op)) \ |
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896 oparg = NEXTARG(); \ |
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897 case op: |
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898 |
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899 |
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900 #define DISPATCH() \ |
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901 { \ |
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902 if (!_Py_atomic_load_relaxed(&eval_breaker)) { \ |
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903 FAST_DISPATCH(); \ |
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904 } \ |
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905 continue; \ |
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906 } |
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907 |
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908 #ifdef LLTRACE |
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909 #define FAST_DISPATCH() \ |
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910 { \ |
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911 if (!lltrace && !_Py_TracingPossible) { \ |
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912 f->f_lasti = INSTR_OFFSET(); \ |
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913 goto *opcode_targets[*next_instr++]; \ |
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914 } \ |
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915 goto fast_next_opcode; \ |
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916 } |
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917 #else |
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918 #define FAST_DISPATCH() \ |
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919 { \ |
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920 if (!_Py_TracingPossible) { \ |
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921 f->f_lasti = INSTR_OFFSET(); \ |
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922 goto *opcode_targets[*next_instr++]; \ |
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923 } \ |
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924 goto fast_next_opcode; \ |
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925 } |
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926 #endif |
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927 |
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928 #else |
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929 #define TARGET(op) \ |
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930 case op: |
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931 #define TARGET_WITH_IMPL(op, impl) \ |
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932 /* silence compiler warnings about `impl` unused */ \ |
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933 if (0) goto impl; \ |
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934 case op: |
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935 #define DISPATCH() continue |
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936 #define FAST_DISPATCH() goto fast_next_opcode |
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937 #endif |
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938 |
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939 |
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SF patch # 580411, move frame macros from frameobject.h into ceval.c
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940 /* Tuple access macros */ |
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941 |
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942 #ifndef Py_DEBUG |
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943 #define GETITEM(v, i) PyTuple_GET_ITEM((PyTupleObject *)(v), (i)) |
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944 #else |
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945 #define GETITEM(v, i) PyTuple_GetItem((v), (i)) |
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946 #endif |
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947 |
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948 #ifdef WITH_TSC |
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949 /* Use Pentium timestamp counter to mark certain events: |
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950 inst0 -- beginning of switch statement for opcode dispatch |
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951 inst1 -- end of switch statement (may be skipped) |
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952 loop0 -- the top of the mainloop |
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953 loop1 -- place where control returns again to top of mainloop |
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954 (may be skipped) |
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955 intr1 -- beginning of long interruption |
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956 intr2 -- end of long interruption |
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957 |
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958 Many opcodes call out to helper C functions. In some cases, the |
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959 time in those functions should be counted towards the time for the |
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960 opcode, but not in all cases. For example, a CALL_FUNCTION opcode |
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961 calls another Python function; there's no point in charge all the |
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962 bytecode executed by the called function to the caller. |
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963 |
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964 It's hard to make a useful judgement statically. In the presence |
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965 of operator overloading, it's impossible to tell if a call will |
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966 execute new Python code or not. |
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967 |
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968 It's a case-by-case judgement. I'll use intr1 for the following |
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969 cases: |
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970 |
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971 IMPORT_STAR |
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972 IMPORT_FROM |
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973 CALL_FUNCTION (and friends) |
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974 |
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975 */ |
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976 uint64 inst0, inst1, loop0, loop1, intr0 = 0, intr1 = 0; |
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977 int ticked = 0; |
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978 |
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979 READ_TIMESTAMP(inst0); |
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980 READ_TIMESTAMP(inst1); |
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981 READ_TIMESTAMP(loop0); |
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982 READ_TIMESTAMP(loop1); |
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983 |
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984 /* shut up the compiler */ |
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985 opcode = 0; |
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986 #endif |
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987 |
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988 /* Code access macros */ |
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989 |
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990 #define INSTR_OFFSET() ((int)(next_instr - first_instr)) |
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991 #define NEXTOP() (*next_instr++) |
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992 #define NEXTARG() (next_instr += 2, (next_instr[-1]<<8) + next_instr[-2]) |
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993 #define PEEKARG() ((next_instr[2]<<8) + next_instr[1]) |
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994 #define JUMPTO(x) (next_instr = first_instr + (x)) |
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995 #define JUMPBY(x) (next_instr += (x)) |
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996 |
|
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997 /* OpCode prediction macros |
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998 Some opcodes tend to come in pairs thus making it possible to |
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999 predict the second code when the first is run. For example, |
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1001 those opcodes are often followed by a POP_TOP. |
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1002 |
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1003 Verifying the prediction costs a single high-speed test of a register |
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1004 variable against a constant. If the pairing was good, then the |
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1005 processor's own internal branch predication has a high likelihood of |
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1006 success, resulting in a nearly zero-overhead transition to the |
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1007 next opcode. A successful prediction saves a trip through the eval-loop |
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1008 including its two unpredictable branches, the HAS_ARG test and the |
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1009 switch-case. Combined with the processor's internal branch prediction, |
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1010 a successful PREDICT has the effect of making the two opcodes run as if |
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1011 they were a single new opcode with the bodies combined. |
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1013 If collecting opcode statistics, your choices are to either keep the |
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1014 predictions turned-on and interpret the results as if some opcodes |
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1015 had been combined or turn-off predictions so that the opcode frequency |
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1016 counter updates for both opcodes. |
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1018 Opcode prediction is disabled with threaded code, since the latter allows |
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1019 the CPU to record separate branch prediction information for each |
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1020 opcode. |
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1022 */ |
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1024 #if defined(DYNAMIC_EXECUTION_PROFILE) || USE_COMPUTED_GOTOS |
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1025 #define PREDICT(op) if (0) goto PRED_##op |
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1026 #define PREDICTED(op) PRED_##op: |
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1027 #define PREDICTED_WITH_ARG(op) PRED_##op: |
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1028 #else |
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1029 #define PREDICT(op) if (*next_instr == op) goto PRED_##op |
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1030 #define PREDICTED(op) PRED_##op: next_instr++ |
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1031 #define PREDICTED_WITH_ARG(op) PRED_##op: oparg = PEEKARG(); next_instr += 3 |
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1032 #endif |
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1035 /* Stack manipulation macros */ |
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1037 /* The stack can grow at most MAXINT deep, as co_nlocals and |
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1038 co_stacksize are ints. */ |
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1039 #define STACK_LEVEL() ((int)(stack_pointer - f->f_valuestack)) |
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1040 #define EMPTY() (STACK_LEVEL() == 0) |
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1041 #define TOP() (stack_pointer[-1]) |
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1042 #define SECOND() (stack_pointer[-2]) |
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1043 #define THIRD() (stack_pointer[-3]) |
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1044 #define FOURTH() (stack_pointer[-4]) |
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1045 #define PEEK(n) (stack_pointer[-(n)]) |
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1046 #define SET_TOP(v) (stack_pointer[-1] = (v)) |
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1047 #define SET_SECOND(v) (stack_pointer[-2] = (v)) |
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1048 #define SET_THIRD(v) (stack_pointer[-3] = (v)) |
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1049 #define SET_FOURTH(v) (stack_pointer[-4] = (v)) |
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1050 #define SET_VALUE(n, v) (stack_pointer[-(n)] = (v)) |
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1051 #define BASIC_STACKADJ(n) (stack_pointer += n) |
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1052 #define BASIC_PUSH(v) (*stack_pointer++ = (v)) |
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1053 #define BASIC_POP() (*--stack_pointer) |
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1056 #define PUSH(v) { (void)(BASIC_PUSH(v), \ |
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1057 lltrace && prtrace(TOP(), "push")); \ |
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1058 assert(STACK_LEVEL() <= co->co_stacksize); } |
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1059 #define POP() ((void)(lltrace && prtrace(TOP(), "pop")), \ |
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1060 BASIC_POP()) |
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1061 #define STACKADJ(n) { (void)(BASIC_STACKADJ(n), \ |
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1062 lltrace && prtrace(TOP(), "stackadj")); \ |
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1063 assert(STACK_LEVEL() <= co->co_stacksize); } |
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1064 #define EXT_POP(STACK_POINTER) ((void)(lltrace && \ |
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1065 prtrace((STACK_POINTER)[-1], "ext_pop")), \ |
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1066 *--(STACK_POINTER)) |
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1067 #else |
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1068 #define PUSH(v) BASIC_PUSH(v) |
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1069 #define POP() BASIC_POP() |
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1070 #define STACKADJ(n) BASIC_STACKADJ(n) |
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1071 #define EXT_POP(STACK_POINTER) (*--(STACK_POINTER)) |
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1072 #endif |
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1074 /* Local variable macros */ |
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1076 #define GETLOCAL(i) (fastlocals[i]) |
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1078 /* The SETLOCAL() macro must not DECREF the local variable in-place and |
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1079 then store the new value; it must copy the old value to a temporary |
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1080 value, then store the new value, and then DECREF the temporary value. |
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1081 This is because it is possible that during the DECREF the frame is |
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1082 accessed by other code (e.g. a __del__ method or gc.collect()) and the |
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1083 variable would be pointing to already-freed memory. */ |
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1084 #define SETLOCAL(i, value) do { PyObject *tmp = GETLOCAL(i); \ |
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1085 GETLOCAL(i) = value; \ |
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1086 Py_XDECREF(tmp); } while (0) |
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1089 #define UNWIND_BLOCK(b) \ |
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1090 while (STACK_LEVEL() > (b)->b_level) { \ |
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1091 PyObject *v = POP(); \ |
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1092 Py_XDECREF(v); \ |
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1093 } |
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1095 #define UNWIND_EXCEPT_HANDLER(b) \ |
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1096 { \ |
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1097 PyObject *type, *value, *traceback; \ |
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1098 assert(STACK_LEVEL() >= (b)->b_level + 3); \ |
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1099 while (STACK_LEVEL() > (b)->b_level + 3) { \ |
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1100 value = POP(); \ |
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1101 Py_XDECREF(value); \ |
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1102 } \ |
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1103 type = tstate->exc_type; \ |
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1104 value = tstate->exc_value; \ |
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1105 traceback = tstate->exc_traceback; \ |
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1106 tstate->exc_type = POP(); \ |
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1107 tstate->exc_value = POP(); \ |
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1108 tstate->exc_traceback = POP(); \ |
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1109 Py_XDECREF(type); \ |
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1110 Py_XDECREF(value); \ |
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1111 Py_XDECREF(traceback); \ |
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1112 } |
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1114 /* Start of code */ |
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1115 |
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1116 /* push frame */ |
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1117 if (Py_EnterRecursiveCall("")) |
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1118 return NULL; |
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1119 |
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1120 tstate->frame = f; |
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1121 |
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1122 if (tstate->use_tracing) { |
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1123 if (tstate->c_tracefunc != NULL) { |
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1124 /* tstate->c_tracefunc, if defined, is a |
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1125 function that will be called on *every* entry |
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1126 to a code block. Its return value, if not |
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1127 None, is a function that will be called at |
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1128 the start of each executed line of code. |
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1129 (Actually, the function must return itself |
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1130 in order to continue tracing.) The trace |
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1131 functions are called with three arguments: |
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1132 a pointer to the current frame, a string |
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1133 indicating why the function is called, and |
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1134 an argument which depends on the situation. |
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1135 The global trace function is also called |
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1136 whenever an exception is detected. */ |
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1137 if (call_trace_protected(tstate->c_tracefunc, |
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1138 tstate->c_traceobj, |
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1139 f, PyTrace_CALL, Py_None)) { |
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1140 /* Trace function raised an error */ |
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1141 goto exit_eval_frame; |
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1142 } |
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1143 } |
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1144 if (tstate->c_profilefunc != NULL) { |
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1145 /* Similar for c_profilefunc, except it needn't |
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1146 return itself and isn't called for "line" events */ |
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1147 if (call_trace_protected(tstate->c_profilefunc, |
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1148 tstate->c_profileobj, |
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1149 f, PyTrace_CALL, Py_None)) { |
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1150 /* Profile function raised an error */ |
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1151 goto exit_eval_frame; |
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1152 } |
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1153 } |
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1154 } |
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1155 |
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1156 co = f->f_code; |
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1157 names = co->co_names; |
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1158 consts = co->co_consts; |
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1159 fastlocals = f->f_localsplus; |
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1160 freevars = f->f_localsplus + co->co_nlocals; |
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1161 first_instr = (unsigned char*) PyBytes_AS_STRING(co->co_code); |
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1162 /* An explanation is in order for the next line. |
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1163 |
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1164 f->f_lasti now refers to the index of the last instruction |
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1165 executed. You might think this was obvious from the name, but |
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1166 this wasn't always true before 2.3! PyFrame_New now sets |
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1167 f->f_lasti to -1 (i.e. the index *before* the first instruction) |
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1168 and YIELD_VALUE doesn't fiddle with f_lasti any more. So this |
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1169 does work. Promise. |
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1170 YIELD_FROM sets f_lasti to itself, in order to repeated yield |
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1171 multiple values. |
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1172 |
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1173 When the PREDICT() macros are enabled, some opcode pairs follow in |
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1174 direct succession without updating f->f_lasti. A successful |
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1175 prediction effectively links the two codes together as if they |
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1176 were a single new opcode; accordingly,f->f_lasti will point to |
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1177 the first code in the pair (for instance, GET_ITER followed by |
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1178 FOR_ITER is effectively a single opcode and f->f_lasti will point |
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1179 at to the beginning of the combined pair.) |
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1180 */ |
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1181 next_instr = first_instr + f->f_lasti + 1; |
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1182 stack_pointer = f->f_stacktop; |
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1183 assert(stack_pointer != NULL); |
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1184 f->f_stacktop = NULL; /* remains NULL unless yield suspends frame */ |
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1185 f->f_executing = 1; |
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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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1198 #ifdef LLTRACE |
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1199 lltrace = _PyDict_GetItemId(f->f_globals, &PyId___ltrace__) != NULL; |
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1200 #endif |
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1201 |
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1202 why = WHY_NOT; |
| 79693 | 1203 |
| 1204 if (throwflag) /* support for generator.throw() */ | |
| 1205 goto error; | |
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1206 |
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1207 #ifdef Py_DEBUG |
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1208 /* PyEval_EvalFrameEx() must not be called with an exception set, |
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1209 because it may clear it (directly or indirectly) and so the |
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1210 caller looses its exception */ |
|
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1211 assert(!PyErr_Occurred()); |
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1212 #endif |
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1213 |
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1214 for (;;) { |
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1215 #ifdef WITH_TSC |
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1216 if (inst1 == 0) { |
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1217 /* Almost surely, the opcode executed a break |
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1218 or a continue, preventing inst1 from being set |
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1219 on the way out of the loop. |
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1220 */ |
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1221 READ_TIMESTAMP(inst1); |
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1222 loop1 = inst1; |
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1223 } |
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1224 dump_tsc(opcode, ticked, inst0, inst1, loop0, loop1, |
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1225 intr0, intr1); |
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1226 ticked = 0; |
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1227 inst1 = 0; |
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1228 intr0 = 0; |
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1229 intr1 = 0; |
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1230 READ_TIMESTAMP(loop0); |
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1231 #endif |
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1232 assert(stack_pointer >= f->f_valuestack); /* else underflow */ |
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1233 assert(STACK_LEVEL() <= co->co_stacksize); /* else overflow */ |
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1234 assert(!PyErr_Occurred()); |
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1235 |
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1236 /* Do periodic things. Doing this every time through |
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1237 the loop would add too much overhead, so we do it |
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1238 only every Nth instruction. We also do it if |
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1239 ``pendingcalls_to_do'' is set, i.e. when an asynchronous |
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1240 event needs attention (e.g. a signal handler or |
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1241 async I/O handler); see Py_AddPendingCall() and |
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1242 Py_MakePendingCalls() above. */ |
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1243 |
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1244 if (_Py_atomic_load_relaxed(&eval_breaker)) { |
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1245 if (*next_instr == SETUP_FINALLY) { |
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1246 /* Make the last opcode before |
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1247 a try: finally: block uninterruptible. */ |
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1248 goto fast_next_opcode; |
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1249 } |
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1250 #ifdef WITH_TSC |
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1251 ticked = 1; |
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1252 #endif |
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1253 if (_Py_atomic_load_relaxed(&pendingcalls_to_do)) { |
| 79693 | 1254 if (Py_MakePendingCalls() < 0) |
| 1255 goto error; | |
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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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923
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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) { |
| 79693 | 1273 PyObject *exc = tstate->async_exc; |
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1274 tstate->async_exc = NULL; |
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1275 UNSIGNAL_ASYNC_EXC(); |
| 79693 | 1276 PyErr_SetNone(exc); |
| 1277 Py_DECREF(exc); | |
| 1278 goto error; | |
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1279 } |
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1280 } |
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1281 |
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1282 fast_next_opcode: |
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1283 f->f_lasti = INSTR_OFFSET(); |
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1284 |
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1285 /* line-by-line tracing support */ |
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1286 |
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1287 if (_Py_TracingPossible && |
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1288 tstate->c_tracefunc != NULL && !tstate->tracing) { |
| 79693 | 1289 int err; |
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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 } |
| 79693 | 1304 if (err) |
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1305 /* trace function raised an exception */ |
| 79693 | 1306 goto error; |
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1307 } |
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1308 |
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1309 /* Extract opcode and argument */ |
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1310 |
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1311 opcode = NEXTOP(); |
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1312 oparg = 0; /* allows oparg to be stored in a register because |
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1313 it doesn't have to be remembered across a full loop */ |
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1314 if (HAS_ARG(opcode)) |
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1315 oparg = NEXTARG(); |
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1316 dispatch_opcode: |
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1317 #ifdef DYNAMIC_EXECUTION_PROFILE |
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1318 #ifdef DXPAIRS |
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1319 dxpairs[lastopcode][opcode]++; |
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1320 lastopcode = opcode; |
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1321 #endif |
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1322 dxp[opcode]++; |
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1323 #endif |
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1324 |
| 567 | 1325 #ifdef LLTRACE |
|
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1326 /* Instruction tracing */ |
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1327 |
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1328 if (lltrace) { |
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1329 if (HAS_ARG(opcode)) { |
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1330 printf("%d: %d, %d\n", |
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1331 f->f_lasti, opcode, oparg); |
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1332 } |
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1333 else { |
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1334 printf("%d: %d\n", |
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1335 f->f_lasti, opcode); |
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1336 } |
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1337 } |
|
173
4656452436e1
Moved support functions after main function; added prototypes;
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1338 #endif |
| 24844 | 1339 |
|
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1340 /* Main switch on opcode */ |
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1341 READ_TIMESTAMP(inst0); |
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1342 |
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1343 switch (opcode) { |
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1344 |
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1345 /* BEWARE! |
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1346 It is essential that any operation that fails sets either |
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1347 x to NULL, err to nonzero, or why to anything but WHY_NOT, |
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1348 and that no operation that succeeds does this! */ |
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1349 |
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1350 TARGET(NOP) |
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1351 FAST_DISPATCH(); |
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1352 |
| 79693 | 1353 TARGET(LOAD_FAST) { |
| 1354 PyObject *value = GETLOCAL(oparg); | |
| 1355 if (value == NULL) { | |
| 1356 format_exc_check_arg(PyExc_UnboundLocalError, | |
| 1357 UNBOUNDLOCAL_ERROR_MSG, | |
| 1358 PyTuple_GetItem(co->co_varnames, oparg)); | |
| 1359 goto error; | |
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1360 } |
| 79693 | 1361 Py_INCREF(value); |
| 1362 PUSH(value); | |
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1363 FAST_DISPATCH(); |
| 79693 | 1364 } |
| 1365 | |
| 1366 TARGET(LOAD_CONST) { | |
| 1367 PyObject *value = GETITEM(consts, oparg); | |
| 1368 Py_INCREF(value); | |
| 1369 PUSH(value); | |
| 1370 FAST_DISPATCH(); | |
| 1371 } | |
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1372 |
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1373 PREDICTED_WITH_ARG(STORE_FAST); |
| 79693 | 1374 TARGET(STORE_FAST) { |
| 1375 PyObject *value = POP(); | |
| 1376 SETLOCAL(oparg, value); | |
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1377 FAST_DISPATCH(); |
| 79693 | 1378 } |
| 1379 | |
| 1380 TARGET(POP_TOP) { | |
| 1381 PyObject *value = POP(); | |
| 1382 Py_DECREF(value); | |
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1383 FAST_DISPATCH(); |
| 79693 | 1384 } |
| 1385 | |
| 1386 TARGET(ROT_TWO) { | |
| 1387 PyObject *top = TOP(); | |
| 1388 PyObject *second = SECOND(); | |
| 1389 SET_TOP(second); | |
| 1390 SET_SECOND(top); | |
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1391 FAST_DISPATCH(); |
| 79693 | 1392 } |
| 1393 | |
| 1394 TARGET(ROT_THREE) { | |
| 1395 PyObject *top = TOP(); | |
| 1396 PyObject *second = SECOND(); | |
| 1397 PyObject *third = THIRD(); | |
| 1398 SET_TOP(second); | |
| 1399 SET_SECOND(third); | |
| 1400 SET_THIRD(top); | |
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1401 FAST_DISPATCH(); |
| 79693 | 1402 } |
| 1403 | |
| 1404 TARGET(DUP_TOP) { | |
| 1405 PyObject *top = TOP(); | |
| 1406 Py_INCREF(top); | |
| 1407 PUSH(top); | |
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1408 FAST_DISPATCH(); |
| 79693 | 1409 } |
| 1410 | |
| 1411 TARGET(DUP_TOP_TWO) { | |
| 1412 PyObject *top = TOP(); | |
|
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1413 PyObject *second = SECOND(); |
| 79693 | 1414 Py_INCREF(top); |
| 1415 Py_INCREF(second); | |
|
64439
725231211273
Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
Antoine Pitrou <solipsis@pitrou.net>
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|
1416 STACKADJ(2); |
| 79693 | 1417 SET_TOP(top); |
| 1418 SET_SECOND(second); | |
|
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Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
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|
1419 FAST_DISPATCH(); |
| 79693 | 1420 } |
| 1421 | |
| 1422 TARGET(UNARY_POSITIVE) { | |
| 1423 PyObject *value = TOP(); | |
| 1424 PyObject *res = PyNumber_Positive(value); | |
| 1425 Py_DECREF(value); | |
| 1426 SET_TOP(res); | |
| 1427 if (res == NULL) | |
| 1428 goto error; | |
| 1429 DISPATCH(); | |
| 1430 } | |
| 1431 | |
| 1432 TARGET(UNARY_NEGATIVE) { | |
| 1433 PyObject *value = TOP(); | |
| 1434 PyObject *res = PyNumber_Negative(value); | |
| 1435 Py_DECREF(value); | |
| 1436 SET_TOP(res); | |
| 1437 if (res == NULL) | |
| 1438 goto error; | |
| 1439 DISPATCH(); | |
| 1440 } | |
| 1441 | |
| 1442 TARGET(UNARY_NOT) { | |
| 1443 PyObject *value = TOP(); | |
| 1444 int err = PyObject_IsTrue(value); | |
| 1445 Py_DECREF(value); | |
|
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1446 if (err == 0) { |
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1447 Py_INCREF(Py_True); |
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1448 SET_TOP(Py_True); |
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1449 DISPATCH(); |
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1450 } |
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1451 else if (err > 0) { |
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1452 Py_INCREF(Py_False); |
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1453 SET_TOP(Py_False); |
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1454 err = 0; |
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1455 DISPATCH(); |
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1456 } |
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|
1457 STACKADJ(-1); |
| 79693 | 1458 goto error; |
| 1459 } | |
| 1460 | |
| 1461 TARGET(UNARY_INVERT) { | |
| 1462 PyObject *value = TOP(); | |
| 1463 PyObject *res = PyNumber_Invert(value); | |
| 1464 Py_DECREF(value); | |
| 1465 SET_TOP(res); | |
| 1466 if (res == NULL) | |
| 1467 goto error; | |
| 1468 DISPATCH(); | |
| 1469 } | |
| 1470 | |
| 1471 TARGET(BINARY_POWER) { | |
| 1472 PyObject *exp = POP(); | |
| 1473 PyObject *base = TOP(); | |
| 1474 PyObject *res = PyNumber_Power(base, exp, Py_None); | |
| 1475 Py_DECREF(base); | |
| 1476 Py_DECREF(exp); | |
| 1477 SET_TOP(res); | |
| 1478 if (res == NULL) | |
| 1479 goto error; | |
| 1480 DISPATCH(); | |
| 1481 } | |
| 1482 | |
| 1483 TARGET(BINARY_MULTIPLY) { | |
| 1484 PyObject *right = POP(); | |
| 1485 PyObject *left = TOP(); | |
| 1486 PyObject *res = PyNumber_Multiply(left, right); | |
| 1487 Py_DECREF(left); | |
| 1488 Py_DECREF(right); | |
| 1489 SET_TOP(res); | |
| 1490 if (res == NULL) | |
| 1491 goto error; | |
| 1492 DISPATCH(); | |
| 1493 } | |
| 1494 | |
| 1495 TARGET(BINARY_TRUE_DIVIDE) { | |
| 1496 PyObject *divisor = POP(); | |
| 1497 PyObject *dividend = TOP(); | |
| 1498 PyObject *quotient = PyNumber_TrueDivide(dividend, divisor); | |
| 1499 Py_DECREF(dividend); | |
| 1500 Py_DECREF(divisor); | |
| 1501 SET_TOP(quotient); | |
| 1502 if (quotient == NULL) | |
| 1503 goto error; | |
| 1504 DISPATCH(); | |
| 1505 } | |
| 1506 | |
| 1507 TARGET(BINARY_FLOOR_DIVIDE) { | |
| 1508 PyObject *divisor = POP(); | |
| 1509 PyObject *dividend = TOP(); | |
| 1510 PyObject *quotient = PyNumber_FloorDivide(dividend, divisor); | |
| 1511 Py_DECREF(dividend); | |
| 1512 Py_DECREF(divisor); | |
| 1513 SET_TOP(quotient); | |
| 1514 if (quotient == NULL) | |
| 1515 goto error; | |
| 1516 DISPATCH(); | |
| 1517 } | |
| 1518 | |
| 1519 TARGET(BINARY_MODULO) { | |
| 1520 PyObject *divisor = POP(); | |
| 1521 PyObject *dividend = TOP(); | |
| 1522 PyObject *res = PyUnicode_CheckExact(dividend) ? | |
| 1523 PyUnicode_Format(dividend, divisor) : | |
| 1524 PyNumber_Remainder(dividend, divisor); | |
| 1525 Py_DECREF(divisor); | |
| 1526 Py_DECREF(dividend); | |
| 1527 SET_TOP(res); | |
| 1528 if (res == NULL) | |
| 1529 goto error; | |
| 1530 DISPATCH(); | |
| 1531 } | |
| 1532 | |
| 1533 TARGET(BINARY_ADD) { | |
| 1534 PyObject *right = POP(); | |
| 1535 PyObject *left = TOP(); | |
| 1536 PyObject *sum; | |
| 1537 if (PyUnicode_CheckExact(left) && | |
| 1538 PyUnicode_CheckExact(right)) { | |
| 1539 sum = unicode_concatenate(left, right, f, next_instr); | |
|
72605
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
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|
1540 /* unicode_concatenate consumed the ref to v */ |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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|
1541 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
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|
1542 else { |
| 79693 | 1543 sum = PyNumber_Add(left, right); |
| 1544 Py_DECREF(left); | |
|
72605
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
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|
1545 } |
| 79693 | 1546 Py_DECREF(right); |
| 1547 SET_TOP(sum); | |
| 1548 if (sum == NULL) | |
| 1549 goto error; | |
| 1550 DISPATCH(); | |
| 1551 } | |
| 1552 | |
| 1553 TARGET(BINARY_SUBTRACT) { | |
| 1554 PyObject *right = POP(); | |
| 1555 PyObject *left = TOP(); | |
| 1556 PyObject *diff = PyNumber_Subtract(left, right); | |
| 1557 Py_DECREF(right); | |
| 1558 Py_DECREF(left); | |
| 1559 SET_TOP(diff); | |
| 1560 if (diff == NULL) | |
| 1561 goto error; | |
| 1562 DISPATCH(); | |
| 1563 } | |
| 1564 | |
| 1565 TARGET(BINARY_SUBSCR) { | |
| 1566 PyObject *sub = POP(); | |
| 1567 PyObject *container = TOP(); | |
| 1568 PyObject *res = PyObject_GetItem(container, sub); | |
| 1569 Py_DECREF(container); | |
| 1570 Py_DECREF(sub); | |
| 1571 SET_TOP(res); | |
| 1572 if (res == NULL) | |
| 1573 goto error; | |
| 1574 DISPATCH(); | |
| 1575 } | |
| 1576 | |
| 1577 TARGET(BINARY_LSHIFT) { | |
| 1578 PyObject *right = POP(); | |
| 1579 PyObject *left = TOP(); | |
| 1580 PyObject *res = PyNumber_Lshift(left, right); | |
| 1581 Py_DECREF(left); | |
| 1582 Py_DECREF(right); | |
| 1583 SET_TOP(res); | |
| 1584 if (res == NULL) | |
| 1585 goto error; | |
| 1586 DISPATCH(); | |
| 1587 } | |
| 1588 | |
| 1589 TARGET(BINARY_RSHIFT) { | |
| 1590 PyObject *right = POP(); | |
| 1591 PyObject *left = TOP(); | |
| 1592 PyObject *res = PyNumber_Rshift(left, right); | |
| 1593 Py_DECREF(left); | |
| 1594 Py_DECREF(right); | |
| 1595 SET_TOP(res); | |
| 1596 if (res == NULL) | |
| 1597 goto error; | |
| 1598 DISPATCH(); | |
| 1599 } | |
| 1600 | |
| 1601 TARGET(BINARY_AND) { | |
| 1602 PyObject *right = POP(); | |
| 1603 PyObject *left = TOP(); | |
| 1604 PyObject *res = PyNumber_And(left, right); | |
| 1605 Py_DECREF(left); | |
| 1606 Py_DECREF(right); | |
| 1607 SET_TOP(res); | |
| 1608 if (res == NULL) | |
| 1609 goto error; | |
| 1610 DISPATCH(); | |
| 1611 } | |
| 1612 | |
| 1613 TARGET(BINARY_XOR) { | |
| 1614 PyObject *right = POP(); | |
| 1615 PyObject *left = TOP(); | |
| 1616 PyObject *res = PyNumber_Xor(left, right); | |
| 1617 Py_DECREF(left); | |
| 1618 Py_DECREF(right); | |
| 1619 SET_TOP(res); | |
| 1620 if (res == NULL) | |
| 1621 goto error; | |
| 1622 DISPATCH(); | |
| 1623 } | |
| 1624 | |
| 1625 TARGET(BINARY_OR) { | |
| 1626 PyObject *right = POP(); | |
| 1627 PyObject *left = TOP(); | |
| 1628 PyObject *res = PyNumber_Or(left, right); | |
| 1629 Py_DECREF(left); | |
| 1630 Py_DECREF(right); | |
| 1631 SET_TOP(res); | |
| 1632 if (res == NULL) | |
| 1633 goto error; | |
| 1634 DISPATCH(); | |
| 1635 } | |
| 1636 | |
| 1637 TARGET(LIST_APPEND) { | |
| 1638 PyObject *v = POP(); | |
| 1639 PyObject *list = PEEK(oparg); | |
| 1640 int err; | |
| 1641 err = PyList_Append(list, v); | |
|
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1642 Py_DECREF(v); |
| 79693 | 1643 if (err != 0) |
| 1644 goto error; | |
| 1645 PREDICT(JUMP_ABSOLUTE); | |
| 1646 DISPATCH(); | |
| 1647 } | |
| 1648 | |
| 1649 TARGET(SET_ADD) { | |
| 1650 PyObject *v = POP(); | |
| 1651 PyObject *set = stack_pointer[-oparg]; | |
| 1652 int err; | |
| 1653 err = PySet_Add(set, v); | |
|
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|
1654 Py_DECREF(v); |
| 79693 | 1655 if (err != 0) |
| 1656 goto error; | |
| 1657 PREDICT(JUMP_ABSOLUTE); | |
| 1658 DISPATCH(); | |
| 1659 } | |
| 1660 | |
| 1661 TARGET(INPLACE_POWER) { | |
| 1662 PyObject *exp = POP(); | |
| 1663 PyObject *base = TOP(); | |
| 1664 PyObject *res = PyNumber_InPlacePower(base, exp, Py_None); | |
| 1665 Py_DECREF(base); | |
| 1666 Py_DECREF(exp); | |
| 1667 SET_TOP(res); | |
| 1668 if (res == NULL) | |
| 1669 goto error; | |
| 1670 DISPATCH(); | |
| 1671 } | |
| 1672 | |
| 1673 TARGET(INPLACE_MULTIPLY) { | |
| 1674 PyObject *right = POP(); | |
| 1675 PyObject *left = TOP(); | |
| 1676 PyObject *res = PyNumber_InPlaceMultiply(left, right); | |
| 1677 Py_DECREF(left); | |
| 1678 Py_DECREF(right); | |
| 1679 SET_TOP(res); | |
| 1680 if (res == NULL) | |
| 1681 goto error; | |
| 1682 DISPATCH(); | |
| 1683 } | |
| 1684 | |
| 1685 TARGET(INPLACE_TRUE_DIVIDE) { | |
| 1686 PyObject *divisor = POP(); | |
| 1687 PyObject *dividend = TOP(); | |
| 1688 PyObject *quotient = PyNumber_InPlaceTrueDivide(dividend, divisor); | |
| 1689 Py_DECREF(dividend); | |
| 1690 Py_DECREF(divisor); | |
| 1691 SET_TOP(quotient); | |
| 1692 if (quotient == NULL) | |
| 1693 goto error; | |
| 1694 DISPATCH(); | |
| 1695 } | |
| 1696 | |
| 1697 TARGET(INPLACE_FLOOR_DIVIDE) { | |
| 1698 PyObject *divisor = POP(); | |
| 1699 PyObject *dividend = TOP(); | |
| 1700 PyObject *quotient = PyNumber_InPlaceFloorDivide(dividend, divisor); | |
| 1701 Py_DECREF(dividend); | |
| 1702 Py_DECREF(divisor); | |
| 1703 SET_TOP(quotient); | |
| 1704 if (quotient == NULL) | |
| 1705 goto error; | |
| 1706 DISPATCH(); | |
| 1707 } | |
| 1708 | |
| 1709 TARGET(INPLACE_MODULO) { | |
| 1710 PyObject *right = POP(); | |
| 1711 PyObject *left = TOP(); | |
| 1712 PyObject *mod = PyNumber_InPlaceRemainder(left, right); | |
| 1713 Py_DECREF(left); | |
| 1714 Py_DECREF(right); | |
| 1715 SET_TOP(mod); | |
| 1716 if (mod == NULL) | |
| 1717 goto error; | |
| 1718 DISPATCH(); | |
| 1719 } | |
| 1720 | |
| 1721 TARGET(INPLACE_ADD) { | |
| 1722 PyObject *right = POP(); | |
| 1723 PyObject *left = TOP(); | |
| 1724 PyObject *sum; | |
| 1725 if (PyUnicode_CheckExact(left) && PyUnicode_CheckExact(right)) { | |
| 1726 sum = unicode_concatenate(left, right, f, next_instr); | |
|
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1727 /* unicode_concatenate consumed the ref to v */ |
|
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1728 } |
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1729 else { |
| 79693 | 1730 sum = PyNumber_InPlaceAdd(left, right); |
| 1731 Py_DECREF(left); | |
|
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1732 } |
| 79693 | 1733 Py_DECREF(right); |
| 1734 SET_TOP(sum); | |
| 1735 if (sum == NULL) | |
| 1736 goto error; | |
| 1737 DISPATCH(); | |
| 1738 } | |
| 1739 | |
| 1740 TARGET(INPLACE_SUBTRACT) { | |
| 1741 PyObject *right = POP(); | |
| 1742 PyObject *left = TOP(); | |
| 1743 PyObject *diff = PyNumber_InPlaceSubtract(left, right); | |
| 1744 Py_DECREF(left); | |
| 1745 Py_DECREF(right); | |
| 1746 SET_TOP(diff); | |
| 1747 if (diff == NULL) | |
| 1748 goto error; | |
| 1749 DISPATCH(); | |
| 1750 } | |
| 1751 | |
| 1752 TARGET(INPLACE_LSHIFT) { | |
| 1753 PyObject *right = POP(); | |
| 1754 PyObject *left = TOP(); | |
| 1755 PyObject *res = PyNumber_InPlaceLshift(left, right); | |
| 1756 Py_DECREF(left); | |
| 1757 Py_DECREF(right); | |
| 1758 SET_TOP(res); | |
| 1759 if (res == NULL) | |
| 1760 goto error; | |
| 1761 DISPATCH(); | |
| 1762 } | |
| 1763 | |
| 1764 TARGET(INPLACE_RSHIFT) { | |
| 1765 PyObject *right = POP(); | |
| 1766 PyObject *left = TOP(); | |
| 1767 PyObject *res = PyNumber_InPlaceRshift(left, right); | |
| 1768 Py_DECREF(left); | |
| 1769 Py_DECREF(right); | |
| 1770 SET_TOP(res); | |
| 1771 if (res == NULL) | |
| 1772 goto error; | |
| 1773 DISPATCH(); | |
| 1774 } | |
| 1775 | |
| 1776 TARGET(INPLACE_AND) { | |
| 1777 PyObject *right = POP(); | |
| 1778 PyObject *left = TOP(); | |
| 1779 PyObject *res = PyNumber_InPlaceAnd(left, right); | |
| 1780 Py_DECREF(left); | |
| 1781 Py_DECREF(right); | |
| 1782 SET_TOP(res); | |
| 1783 if (res == NULL) | |
| 1784 goto error; | |
| 1785 DISPATCH(); | |
| 1786 } | |
| 1787 | |
| 1788 TARGET(INPLACE_XOR) { | |
| 1789 PyObject *right = POP(); | |
| 1790 PyObject *left = TOP(); | |
| 1791 PyObject *res = PyNumber_InPlaceXor(left, right); | |
| 1792 Py_DECREF(left); | |
| 1793 Py_DECREF(right); | |
| 1794 SET_TOP(res); | |
| 1795 if (res == NULL) | |
| 1796 goto error; | |
| 1797 DISPATCH(); | |
| 1798 } | |
| 1799 | |
| 1800 TARGET(INPLACE_OR) { | |
| 1801 PyObject *right = POP(); | |
| 1802 PyObject *left = TOP(); | |
| 1803 PyObject *res = PyNumber_InPlaceOr(left, right); | |
| 1804 Py_DECREF(left); | |
| 1805 Py_DECREF(right); | |
| 1806 SET_TOP(res); | |
| 1807 if (res == NULL) | |
| 1808 goto error; | |
| 1809 DISPATCH(); | |
| 1810 } | |
| 1811 | |
| 1812 TARGET(STORE_SUBSCR) { | |
| 1813 PyObject *sub = TOP(); | |
| 1814 PyObject *container = SECOND(); | |
| 1815 PyObject *v = THIRD(); | |
| 1816 int err; | |
|
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1817 STACKADJ(-3); |
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1818 /* v[w] = u */ |
| 79693 | 1819 err = PyObject_SetItem(container, sub, v); |
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1820 Py_DECREF(v); |
| 79693 | 1821 Py_DECREF(container); |
| 1822 Py_DECREF(sub); | |
| 1823 if (err != 0) | |
| 1824 goto error; | |
| 1825 DISPATCH(); | |
| 1826 } | |
| 1827 | |
| 1828 TARGET(DELETE_SUBSCR) { | |
| 1829 PyObject *sub = TOP(); | |
| 1830 PyObject *container = SECOND(); | |
| 1831 int err; | |
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1832 STACKADJ(-2); |
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1833 /* del v[w] */ |
| 79693 | 1834 err = PyObject_DelItem(container, sub); |
| 1835 Py_DECREF(container); | |
| 1836 Py_DECREF(sub); | |
| 1837 if (err != 0) | |
| 1838 goto error; | |
| 1839 DISPATCH(); | |
| 1840 } | |
| 1841 | |
| 1842 TARGET(PRINT_EXPR) { | |
| 1843 PyObject *value = POP(); | |
| 1844 PyObject *hook = PySys_GetObject("displayhook"); | |
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1845 PyObject *res; |
| 79693 | 1846 if (hook == NULL) { |
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1847 PyErr_SetString(PyExc_RuntimeError, |
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1848 "lost sys.displayhook"); |
| 79693 | 1849 Py_DECREF(value); |
| 1850 goto error; | |
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1851 } |
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1852 res = PyObject_CallFunctionObjArgs(hook, value, NULL); |
| 79693 | 1853 Py_DECREF(value); |
| 1854 if (res == NULL) | |
| 1855 goto error; | |
| 1856 Py_DECREF(res); | |
| 1857 DISPATCH(); | |
| 1858 } | |
|
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1859 |
|
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1860 #ifdef CASE_TOO_BIG |
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1861 default: switch (opcode) { |
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1862 #endif |
| 79693 | 1863 TARGET(RAISE_VARARGS) { |
| 1864 PyObject *cause = NULL, *exc = NULL; | |
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1865 switch (oparg) { |
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1866 case 2: |
| 79693 | 1867 cause = POP(); /* cause */ |
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1868 case 1: |
| 79693 | 1869 exc = POP(); /* exc */ |
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1870 case 0: /* Fallthrough */ |
| 79693 | 1871 if (do_raise(exc, cause)) { |
| 1872 why = WHY_EXCEPTION; | |
| 1873 goto fast_block_end; | |
| 1874 } | |
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1875 break; |
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1876 default: |
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1877 PyErr_SetString(PyExc_SystemError, |
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1878 "bad RAISE_VARARGS oparg"); |
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1879 break; |
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1880 } |
| 79693 | 1881 goto error; |
| 1882 } | |
| 1883 | |
| 1884 TARGET(RETURN_VALUE) { | |
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1885 retval = POP(); |
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1886 why = WHY_RETURN; |
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1887 goto fast_block_end; |
| 79693 | 1888 } |
| 1889 | |
| 1890 TARGET(YIELD_FROM) { | |
| 1891 PyObject *v = POP(); | |
| 1892 PyObject *reciever = TOP(); | |
| 1893 int err; | |
| 1894 if (PyGen_CheckExact(reciever)) { | |
| 1895 retval = _PyGen_Send((PyGenObject *)reciever, v); | |
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1896 } else { |
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1897 _Py_IDENTIFIER(send); |
| 79693 | 1898 if (v == Py_None) |
| 1899 retval = Py_TYPE(reciever)->tp_iternext(reciever); | |
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1900 else |
| 79693 | 1901 retval = _PyObject_CallMethodId(reciever, &PyId_send, "O", v); |
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1902 } |
| 79693 | 1903 Py_DECREF(v); |
| 1904 if (retval == NULL) { | |
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1905 PyObject *val; |
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1906 err = _PyGen_FetchStopIterationValue(&val); |
| 79693 | 1907 if (err < 0) |
| 1908 goto error; | |
| 1909 Py_DECREF(reciever); | |
| 1910 SET_TOP(val); | |
| 1911 DISPATCH(); | |
|
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1912 } |
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1913 /* x remains on stack, retval is value to be yielded */ |
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1914 f->f_stacktop = stack_pointer; |
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1915 why = WHY_YIELD; |
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1916 /* and repeat... */ |
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1917 f->f_lasti--; |
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1918 goto fast_yield; |
| 79693 | 1919 } |
| 1920 | |
| 1921 TARGET(YIELD_VALUE) { | |
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1922 retval = POP(); |
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1923 f->f_stacktop = stack_pointer; |
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1924 why = WHY_YIELD; |
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1925 goto fast_yield; |
| 79693 | 1926 } |
| 1927 | |
| 1928 TARGET(POP_EXCEPT) { | |
| 1929 PyTryBlock *b = PyFrame_BlockPop(f); | |
| 1930 if (b->b_type != EXCEPT_HANDLER) { | |
| 1931 PyErr_SetString(PyExc_SystemError, | |
| 1932 "popped block is not an except handler"); | |
| 1933 goto error; | |
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1934 } |
| 79693 | 1935 UNWIND_EXCEPT_HANDLER(b); |
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1936 DISPATCH(); |
| 79693 | 1937 } |
| 1938 | |
| 1939 TARGET(POP_BLOCK) { | |
| 1940 PyTryBlock *b = PyFrame_BlockPop(f); | |
| 1941 UNWIND_BLOCK(b); | |
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1942 DISPATCH(); |
| 79693 | 1943 } |
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1944 |
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1945 PREDICTED(END_FINALLY); |
| 79693 | 1946 TARGET(END_FINALLY) { |
| 1947 PyObject *status = POP(); | |
| 1948 if (PyLong_Check(status)) { | |
| 1949 why = (enum why_code) PyLong_AS_LONG(status); | |
| 1950 assert(why != WHY_YIELD && why != WHY_EXCEPTION); | |
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1951 if (why == WHY_RETURN || |
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1952 why == WHY_CONTINUE) |
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1953 retval = POP(); |
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1954 if (why == WHY_SILENCED) { |
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1955 /* An exception was silenced by 'with', we must |
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1956 manually unwind the EXCEPT_HANDLER block which was |
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1957 created when the exception was caught, otherwise |
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1958 the stack will be in an inconsistent state. */ |
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1959 PyTryBlock *b = PyFrame_BlockPop(f); |
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1960 assert(b->b_type == EXCEPT_HANDLER); |
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1961 UNWIND_EXCEPT_HANDLER(b); |
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1962 why = WHY_NOT; |
| 79693 | 1963 Py_DECREF(status); |
| 1964 DISPATCH(); | |
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1965 } |
| 79693 | 1966 Py_DECREF(status); |
| 1967 goto fast_block_end; | |
|
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|
1968 } |
| 79693 | 1969 else if (PyExceptionClass_Check(status)) { |
| 1970 PyObject *exc = POP(); | |
| 1971 PyObject *tb = POP(); | |
| 1972 PyErr_Restore(status, exc, tb); | |
| 1973 why = WHY_EXCEPTION; | |
| 1974 goto fast_block_end; | |
|
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|
1975 } |
| 79693 | 1976 else if (status != Py_None) { |
|
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|
1977 PyErr_SetString(PyExc_SystemError, |
|
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|
1978 "'finally' pops bad exception"); |
| 79693 | 1979 Py_DECREF(status); |
| 1980 goto error; | |
|
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|
1981 } |
| 79693 | 1982 Py_DECREF(status); |
| 1983 DISPATCH(); | |
| 1984 } | |
| 1985 | |
| 1986 TARGET(LOAD_BUILD_CLASS) { | |
|
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diff
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|
1987 _Py_IDENTIFIER(__build_class__); |
|
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|
1988 |
| 79693 | 1989 PyObject *bc; |
|
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|
1990 if (PyDict_CheckExact(f->f_builtins)) { |
| 79693 | 1991 bc = _PyDict_GetItemId(f->f_builtins, &PyId___build_class__); |
| 1992 if (bc == NULL) { | |
|
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|
1993 PyErr_SetString(PyExc_NameError, |
|
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|
1994 "__build_class__ not found"); |
| 79693 | 1995 goto error; |
|
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parents:
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diff
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|
1996 } |
| 79693 | 1997 Py_INCREF(bc); |
|
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|
1998 } |
|
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|
1999 else { |
|
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|
2000 PyObject *build_class_str = _PyUnicode_FromId(&PyId___build_class__); |
|
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|
2001 if (build_class_str == NULL) |
|
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|
2002 break; |
| 79693 | 2003 bc = PyObject_GetItem(f->f_builtins, build_class_str); |
| 2004 if (bc == NULL) { | |
|
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Victor Stinner <victor.stinner@gmail.com>
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diff
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|
2005 if (PyErr_ExceptionMatches(PyExc_KeyError)) |
|
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Victor Stinner <victor.stinner@gmail.com>
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diff
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|
2006 PyErr_SetString(PyExc_NameError, |
|
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parents:
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|
2007 "__build_class__ not found"); |
| 79693 | 2008 goto error; |
|
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Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
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|
2009 } |
|
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|
2010 } |
| 79693 | 2011 PUSH(bc); |
| 2012 DISPATCH(); | |
|
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diff
changeset
|
2013 } |
|
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|
2014 |
| 79693 | 2015 TARGET(STORE_NAME) { |
| 2016 PyObject *name = GETITEM(names, oparg); | |
| 2017 PyObject *v = POP(); | |
| 2018 PyObject *ns = f->f_locals; | |
| 2019 int err; | |
| 2020 if (ns == NULL) { | |
| 2021 PyErr_Format(PyExc_SystemError, | |
| 2022 "no locals found when storing %R", name); | |
|
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|
2023 Py_DECREF(v); |
| 79693 | 2024 goto error; |
|
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|
2025 } |
| 79693 | 2026 if (PyDict_CheckExact(ns)) |
| 2027 err = PyDict_SetItem(ns, name, v); | |
| 2028 else | |
| 2029 err = PyObject_SetItem(ns, name, v); | |
| 2030 Py_DECREF(v); | |
| 2031 if (err != 0) | |
| 2032 goto error; | |
|
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add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
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diff
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|
2033 DISPATCH(); |
|
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Victor Stinner <victor.stinner@gmail.com>
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diff
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|
2034 } |
|
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|
2035 |
| 79693 | 2036 TARGET(DELETE_NAME) { |
| 2037 PyObject *name = GETITEM(names, oparg); | |
| 2038 PyObject *ns = f->f_locals; | |
| 2039 int err; | |
| 2040 if (ns == NULL) { | |
| 2041 PyErr_Format(PyExc_SystemError, | |
| 2042 "no locals when deleting %R", name); | |
| 2043 goto error; | |
|
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|
2044 } |
| 79693 | 2045 err = PyObject_DelItem(ns, name); |
| 2046 if (err != 0) { | |
| 2047 format_exc_check_arg(PyExc_NameError, | |
| 2048 NAME_ERROR_MSG, | |
| 2049 name); | |
| 2050 goto error; | |
|
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diff
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|
2051 } |
| 79693 | 2052 DISPATCH(); |
| 2053 } | |
|
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|
2054 |
|
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|
2055 PREDICTED_WITH_ARG(UNPACK_SEQUENCE); |
| 79693 | 2056 TARGET(UNPACK_SEQUENCE) { |
| 2057 PyObject *seq = POP(), *item, **items; | |
| 2058 if (PyTuple_CheckExact(seq) && | |
| 2059 PyTuple_GET_SIZE(seq) == oparg) { | |
| 2060 items = ((PyTupleObject *)seq)->ob_item; | |
|
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|
2061 while (oparg--) { |
| 79693 | 2062 item = items[oparg]; |
| 2063 Py_INCREF(item); | |
| 2064 PUSH(item); | |
|
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|
2065 } |
| 79693 | 2066 } else if (PyList_CheckExact(seq) && |
| 2067 PyList_GET_SIZE(seq) == oparg) { | |
| 2068 items = ((PyListObject *)seq)->ob_item; | |
|
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|
2069 while (oparg--) { |
| 79693 | 2070 item = items[oparg]; |
| 2071 Py_INCREF(item); | |
| 2072 PUSH(item); | |
|
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|
2073 } |
| 79693 | 2074 } else if (unpack_iterable(seq, oparg, -1, |
|
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|
2075 stack_pointer + oparg)) { |
|
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diff
changeset
|
2076 STACKADJ(oparg); |
|
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|
2077 } else { |
|
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|
2078 /* unpack_iterable() raised an exception */ |
| 79693 | 2079 Py_DECREF(seq); |
| 2080 goto error; | |
|
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diff
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|
2081 } |
| 79693 | 2082 Py_DECREF(seq); |
|
79650
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2083 DISPATCH(); |
| 79693 | 2084 } |
| 2085 | |
| 2086 TARGET(UNPACK_EX) { | |
|
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changeset
|
2087 int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8); |
| 79693 | 2088 PyObject *seq = POP(); |
| 2089 | |
| 2090 if (unpack_iterable(seq, oparg & 0xFF, oparg >> 8, | |
|
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|
2091 stack_pointer + totalargs)) { |
|
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|
2092 stack_pointer += totalargs; |
|
f197407bdba2
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diff
changeset
|
2093 } else { |
| 79693 | 2094 Py_DECREF(seq); |
| 2095 goto error; | |
|
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diff
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|
2096 } |
| 79693 | 2097 Py_DECREF(seq); |
| 2098 DISPATCH(); | |
|
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|
2099 } |
|
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|
2100 |
| 79693 | 2101 TARGET(STORE_ATTR) { |
| 2102 PyObject *name = GETITEM(names, oparg); | |
| 2103 PyObject *owner = TOP(); | |
| 2104 PyObject *v = SECOND(); | |
| 2105 int err; | |
|
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diff
changeset
|
2106 STACKADJ(-2); |
| 79693 | 2107 err = PyObject_SetAttr(owner, name, v); |
|
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diff
changeset
|
2108 Py_DECREF(v); |
| 79693 | 2109 Py_DECREF(owner); |
| 2110 if (err != 0) | |
| 2111 goto error; | |
| 2112 DISPATCH(); | |
| 2113 } | |
| 2114 | |
| 2115 TARGET(DELETE_ATTR) { | |
| 2116 PyObject *name = GETITEM(names, oparg); | |
| 2117 PyObject *owner = POP(); | |
| 2118 int err; | |
| 2119 err = PyObject_SetAttr(owner, name, (PyObject *)NULL); | |
| 2120 Py_DECREF(owner); | |
| 2121 if (err != 0) | |
| 2122 goto error; | |
|
79650
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2123 DISPATCH(); |
|
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|
2124 } |
|
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changeset
|
2125 |
| 79693 | 2126 TARGET(STORE_GLOBAL) { |
| 2127 PyObject *name = GETITEM(names, oparg); | |
| 2128 PyObject *v = POP(); | |
| 2129 int err; | |
| 2130 err = PyDict_SetItem(f->f_globals, name, v); | |
|
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changeset
|
2131 Py_DECREF(v); |
| 79693 | 2132 if (err != 0) |
| 2133 goto error; | |
| 2134 DISPATCH(); | |
| 2135 } | |
| 2136 | |
| 2137 TARGET(DELETE_GLOBAL) { | |
| 2138 PyObject *name = GETITEM(names, oparg); | |
| 2139 int err; | |
| 2140 err = PyDict_DelItem(f->f_globals, name); | |
| 2141 if (err != 0) { | |
|
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changeset
|
2142 format_exc_check_arg( |
|
82459
f1d3fbcd837d
#17032: The "global" in the "NameError: global name 'x' is not defined" error message has been removed. Patch by Ram Rachum.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
82133
diff
changeset
|
2143 PyExc_NameError, NAME_ERROR_MSG, name); |
| 79693 | 2144 goto error; |
|
79650
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2145 } |
|
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2146 DISPATCH(); |
| 79693 | 2147 } |
| 2148 | |
| 2149 TARGET(LOAD_NAME) { | |
| 2150 PyObject *name = GETITEM(names, oparg); | |
| 2151 PyObject *locals = f->f_locals; | |
| 2152 PyObject *v; | |
| 2153 if (locals == NULL) { | |
|
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changeset
|
2154 PyErr_Format(PyExc_SystemError, |
| 79693 | 2155 "no locals when loading %R", name); |
| 2156 goto error; | |
|
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|
2157 } |
| 79693 | 2158 if (PyDict_CheckExact(locals)) { |
| 2159 v = PyDict_GetItem(locals, name); | |
| 2160 Py_XINCREF(v); | |
|
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|
2161 } |
|
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|
2162 else { |
| 79693 | 2163 v = PyObject_GetItem(locals, name); |
|
86141
19954e5dbef5
Fix macro expansion of _PyErr_OCCURRED(), and make sure to use it in at least one place so as to avoid regressions.
Antoine Pitrou <solipsis@pitrou.net>
diff
changeset
|
2164 if (v == NULL && _PyErr_OCCURRED()) { |
|
80857
bb6fd6f021e7
use error label instead of breaking eval loop (closes #16693)
Benjamin Peterson <benjamin@python.org>
parents:
79695
diff
changeset
|
2165 if (!PyErr_ExceptionMatches(PyExc_KeyError)) |
|
bb6fd6f021e7
use error label instead of breaking eval loop (closes #16693)
Benjamin Peterson <benjamin@python.org>
parents:
79695
diff
changeset
|
2166 goto error; |
|
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changeset
|
2167 PyErr_Clear(); |
|
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|
2168 } |
|
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|
2169 } |
| 79693 | 2170 if (v == NULL) { |
| 2171 v = PyDict_GetItem(f->f_globals, name); | |
| 2172 Py_XINCREF(v); | |
| 2173 if (v == NULL) { | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2174 if (PyDict_CheckExact(f->f_builtins)) { |
| 79693 | 2175 v = PyDict_GetItem(f->f_builtins, name); |
| 2176 if (v == NULL) { | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2177 format_exc_check_arg( |
|
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2178 PyExc_NameError, |
| 79693 | 2179 NAME_ERROR_MSG, name); |
| 2180 goto error; | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2181 } |
| 79693 | 2182 Py_INCREF(v); |
|
76411
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Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
changeset
|
2183 } |
|
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2184 else { |
| 79693 | 2185 v = PyObject_GetItem(f->f_builtins, name); |
| 2186 if (v == NULL) { | |
|
76411
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Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2187 if (PyErr_ExceptionMatches(PyExc_KeyError)) |
|
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2188 format_exc_check_arg( |
|
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2189 PyExc_NameError, |
| 79693 | 2190 NAME_ERROR_MSG, name); |
| 2191 goto error; | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2192 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2193 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2194 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2195 } |
| 79693 | 2196 PUSH(v); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2197 DISPATCH(); |
| 79693 | 2198 } |
| 2199 | |
| 2200 TARGET(LOAD_GLOBAL) { | |
| 2201 PyObject *name = GETITEM(names, oparg); | |
| 2202 PyObject *v; | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2203 if (PyDict_CheckExact(f->f_globals) |
|
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2204 && PyDict_CheckExact(f->f_builtins)) { |
| 79693 | 2205 v = _PyDict_LoadGlobal((PyDictObject *)f->f_globals, |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2206 (PyDictObject *)f->f_builtins, |
| 79693 | 2207 name); |
| 2208 if (v == NULL) { | |
|
86140
2aee9c41bb79
Fix macro expansion of _PyErr_OCCURRED(), and make sure to use it in at least one place so as to avoid regressions.
Antoine Pitrou <solipsis@pitrou.net>
parents:
84726
diff
changeset
|
2209 if (!_PyErr_OCCURRED()) |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2210 format_exc_check_arg(PyExc_NameError, |
|
82459
f1d3fbcd837d
#17032: The "global" in the "NameError: global name 'x' is not defined" error message has been removed. Patch by Ram Rachum.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
82133
diff
changeset
|
2211 NAME_ERROR_MSG, name); |
| 79693 | 2212 goto error; |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2213 } |
| 79693 | 2214 Py_INCREF(v); |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2215 } |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2216 else { |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2217 /* Slow-path if globals or builtins is not a dict */ |
| 79693 | 2218 v = PyObject_GetItem(f->f_globals, name); |
| 2219 if (v == NULL) { | |
| 2220 v = PyObject_GetItem(f->f_builtins, name); | |
| 2221 if (v == NULL) { | |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2222 if (PyErr_ExceptionMatches(PyExc_KeyError)) |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2223 format_exc_check_arg( |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2224 PyExc_NameError, |
|
82459
f1d3fbcd837d
#17032: The "global" in the "NameError: global name 'x' is not defined" error message has been removed. Patch by Ram Rachum.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
82133
diff
changeset
|
2225 NAME_ERROR_MSG, name); |
| 79693 | 2226 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2227 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2228 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2229 } |
| 79693 | 2230 PUSH(v); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2231 DISPATCH(); |
| 79693 | 2232 } |
| 2233 | |
| 2234 TARGET(DELETE_FAST) { | |
| 2235 PyObject *v = GETLOCAL(oparg); | |
| 2236 if (v != NULL) { | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2237 SETLOCAL(oparg, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2238 DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2239 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2240 format_exc_check_arg( |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2241 PyExc_UnboundLocalError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2242 UNBOUNDLOCAL_ERROR_MSG, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2243 PyTuple_GetItem(co->co_varnames, oparg) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2244 ); |
| 79693 | 2245 goto error; |
| 2246 } | |
| 2247 | |
| 2248 TARGET(DELETE_DEREF) { | |
| 2249 PyObject *cell = freevars[oparg]; | |
| 2250 if (PyCell_GET(cell) != NULL) { | |
| 2251 PyCell_Set(cell, NULL); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2252 DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2253 } |
| 79693 | 2254 format_exc_unbound(co, oparg); |
| 2255 goto error; | |
| 2256 } | |
| 2257 | |
| 2258 TARGET(LOAD_CLOSURE) { | |
| 2259 PyObject *cell = freevars[oparg]; | |
| 2260 Py_INCREF(cell); | |
| 2261 PUSH(cell); | |
| 2262 DISPATCH(); | |
| 2263 } | |
| 2264 | |
|
83572
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2265 TARGET(LOAD_CLASSDEREF) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2266 PyObject *name, *value, *locals = f->f_locals; |
|
83800
e5dc97fb304d
Fix a compilater warning on Windows 64-bit
Victor Stinner <victor.stinner@gmail.com>
parents:
83791
diff
changeset
|
2267 Py_ssize_t idx; |
|
83572
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2268 assert(locals); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2269 assert(oparg >= PyTuple_GET_SIZE(co->co_cellvars)); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2270 idx = oparg - PyTuple_GET_SIZE(co->co_cellvars); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2271 assert(idx >= 0 && idx < PyTuple_GET_SIZE(co->co_freevars)); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2272 name = PyTuple_GET_ITEM(co->co_freevars, idx); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2273 if (PyDict_CheckExact(locals)) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2274 value = PyDict_GetItem(locals, name); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2275 Py_XINCREF(value); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2276 } |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2277 else { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2278 value = PyObject_GetItem(locals, name); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2279 if (value == NULL && PyErr_Occurred()) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2280 if (!PyErr_ExceptionMatches(PyExc_KeyError)) |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2281 goto error; |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2282 PyErr_Clear(); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2283 } |
|
83572
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2284 } |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2285 if (!value) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2286 PyObject *cell = freevars[oparg]; |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2287 value = PyCell_GET(cell); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2288 if (value == NULL) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2289 format_exc_unbound(co, oparg); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2290 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2291 } |
|
83572
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2292 Py_INCREF(value); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2293 } |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2294 PUSH(value); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2295 DISPATCH(); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2296 } |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2297 |
| 79693 | 2298 TARGET(LOAD_DEREF) { |
| 2299 PyObject *cell = freevars[oparg]; | |
| 2300 PyObject *value = PyCell_GET(cell); | |
| 2301 if (value == NULL) { | |
| 2302 format_exc_unbound(co, oparg); | |
| 2303 goto error; | |
| 2304 } | |
| 2305 Py_INCREF(value); | |
| 2306 PUSH(value); | |
| 2307 DISPATCH(); | |
| 2308 } | |
| 2309 | |
| 2310 TARGET(STORE_DEREF) { | |
| 2311 PyObject *v = POP(); | |
| 2312 PyObject *cell = freevars[oparg]; | |
| 2313 PyCell_Set(cell, v); | |
| 2314 Py_DECREF(v); | |
| 2315 DISPATCH(); | |
| 2316 } | |
| 2317 | |
| 2318 TARGET(BUILD_TUPLE) { | |
| 2319 PyObject *tup = PyTuple_New(oparg); | |
| 2320 if (tup == NULL) | |
| 2321 goto error; | |
| 2322 while (--oparg >= 0) { | |
| 2323 PyObject *item = POP(); | |
| 2324 PyTuple_SET_ITEM(tup, oparg, item); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2325 } |
| 79693 | 2326 PUSH(tup); |
| 2327 DISPATCH(); | |
| 2328 } | |
| 2329 | |
| 2330 TARGET(BUILD_LIST) { | |
| 2331 PyObject *list = PyList_New(oparg); | |
| 2332 if (list == NULL) | |
| 2333 goto error; | |
| 2334 while (--oparg >= 0) { | |
| 2335 PyObject *item = POP(); | |
| 2336 PyList_SET_ITEM(list, oparg, item); | |
| 2337 } | |
| 2338 PUSH(list); | |
| 2339 DISPATCH(); | |
| 2340 } | |
| 2341 | |
| 2342 TARGET(BUILD_SET) { | |
| 2343 PyObject *set = PySet_New(NULL); | |
| 2344 int err = 0; | |
| 2345 if (set == NULL) | |
| 2346 goto error; | |
| 2347 while (--oparg >= 0) { | |
| 2348 PyObject *item = POP(); | |
| 2349 if (err == 0) | |
| 2350 err = PySet_Add(set, item); | |
| 2351 Py_DECREF(item); | |
| 2352 } | |
| 2353 if (err != 0) { | |
| 2354 Py_DECREF(set); | |
| 2355 goto error; | |
| 2356 } | |
| 2357 PUSH(set); | |
| 2358 DISPATCH(); | |
| 2359 } | |
| 2360 | |
| 2361 TARGET(BUILD_MAP) { | |
| 2362 PyObject *map = _PyDict_NewPresized((Py_ssize_t)oparg); | |
| 2363 if (map == NULL) | |
| 2364 goto error; | |
| 2365 PUSH(map); | |
| 2366 DISPATCH(); | |
| 2367 } | |
| 2368 | |
| 2369 TARGET(STORE_MAP) { | |
| 2370 PyObject *key = TOP(); | |
| 2371 PyObject *value = SECOND(); | |
| 2372 PyObject *map = THIRD(); | |
| 2373 int err; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2374 STACKADJ(-2); |
| 79693 | 2375 assert(PyDict_CheckExact(map)); |
| 2376 err = PyDict_SetItem(map, key, value); | |
| 2377 Py_DECREF(value); | |
| 2378 Py_DECREF(key); | |
| 2379 if (err != 0) | |
| 2380 goto error; | |
| 2381 DISPATCH(); | |
| 2382 } | |
| 2383 | |
| 2384 TARGET(MAP_ADD) { | |
| 2385 PyObject *key = TOP(); | |
| 2386 PyObject *value = SECOND(); | |
| 2387 PyObject *map; | |
| 2388 int err; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2389 STACKADJ(-2); |
| 79693 | 2390 map = stack_pointer[-oparg]; /* dict */ |
| 2391 assert(PyDict_CheckExact(map)); | |
| 2392 err = PyDict_SetItem(map, key, value); /* v[w] = u */ | |
| 2393 Py_DECREF(value); | |
| 2394 Py_DECREF(key); | |
| 2395 if (err != 0) | |
| 2396 goto error; | |
| 2397 PREDICT(JUMP_ABSOLUTE); | |
| 2398 DISPATCH(); | |
| 2399 } | |
| 2400 | |
| 2401 TARGET(LOAD_ATTR) { | |
| 2402 PyObject *name = GETITEM(names, oparg); | |
| 2403 PyObject *owner = TOP(); | |
| 2404 PyObject *res = PyObject_GetAttr(owner, name); | |
| 2405 Py_DECREF(owner); | |
| 2406 SET_TOP(res); | |
| 2407 if (res == NULL) | |
| 2408 goto error; | |
| 2409 DISPATCH(); | |
| 2410 } | |
| 2411 | |
| 2412 TARGET(COMPARE_OP) { | |
| 2413 PyObject *right = POP(); | |
| 2414 PyObject *left = TOP(); | |
| 2415 PyObject *res = cmp_outcome(oparg, left, right); | |
| 2416 Py_DECREF(left); | |
| 2417 Py_DECREF(right); | |
| 2418 SET_TOP(res); | |
| 2419 if (res == NULL) | |
| 2420 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2421 PREDICT(POP_JUMP_IF_FALSE); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2422 PREDICT(POP_JUMP_IF_TRUE); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2423 DISPATCH(); |
| 79693 | 2424 } |
| 2425 | |
| 2426 TARGET(IMPORT_NAME) { | |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75852
diff
changeset
|
2427 _Py_IDENTIFIER(__import__); |
| 79693 | 2428 PyObject *name = GETITEM(names, oparg); |
| 2429 PyObject *func = _PyDict_GetItemId(f->f_builtins, &PyId___import__); | |
|
79695
fb40d0ab0c77
move more variable declarations to the top of blocks
Benjamin Peterson <benjamin@python.org>
parents:
79694
diff
changeset
|
2430 PyObject *from, *level, *args, *res; |
| 79693 | 2431 if (func == NULL) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2432 PyErr_SetString(PyExc_ImportError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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59858
diff
changeset
|
2433 "__import__ not found"); |
| 79693 | 2434 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2435 } |
| 79693 | 2436 Py_INCREF(func); |
| 2437 from = POP(); | |
| 2438 level = TOP(); | |
| 2439 if (PyLong_AsLong(level) != -1 || PyErr_Occurred()) | |
| 2440 args = PyTuple_Pack(5, | |
| 2441 name, | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2442 f->f_globals, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2443 f->f_locals == NULL ? |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2444 Py_None : f->f_locals, |
| 79693 | 2445 from, |
| 2446 level); | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2447 else |
| 79693 | 2448 args = PyTuple_Pack(4, |
| 2449 name, | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2450 f->f_globals, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2451 f->f_locals == NULL ? |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2452 Py_None : f->f_locals, |
| 79693 | 2453 from); |
| 2454 Py_DECREF(level); | |
| 2455 Py_DECREF(from); | |
| 2456 if (args == NULL) { | |
| 2457 Py_DECREF(func); | |
| 2458 STACKADJ(-1); | |
| 2459 goto error; | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2460 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2461 READ_TIMESTAMP(intr0); |
|
79695
fb40d0ab0c77
move more variable declarations to the top of blocks
Benjamin Peterson <benjamin@python.org>
parents:
79694
diff
changeset
|
2462 res = PyEval_CallObject(func, args); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2463 READ_TIMESTAMP(intr1); |
| 79693 | 2464 Py_DECREF(args); |
| 2465 Py_DECREF(func); | |
| 2466 SET_TOP(res); | |
| 2467 if (res == NULL) | |
| 2468 goto error; | |
| 2469 DISPATCH(); | |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75852
diff
changeset
|
2470 } |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2471 |
| 79693 | 2472 TARGET(IMPORT_STAR) { |
| 2473 PyObject *from = POP(), *locals; | |
| 2474 int err; | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2475 PyFrame_FastToLocals(f); |
| 79693 | 2476 locals = f->f_locals; |
| 2477 if (locals == NULL) { | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2478 PyErr_SetString(PyExc_SystemError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2479 "no locals found during 'import *'"); |
| 79693 | 2480 goto error; |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2481 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2482 READ_TIMESTAMP(intr0); |
| 79693 | 2483 err = import_all_from(locals, from); |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2484 READ_TIMESTAMP(intr1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2485 PyFrame_LocalsToFast(f, 0); |
| 79693 | 2486 Py_DECREF(from); |
| 2487 if (err != 0) | |
| 2488 goto error; | |
| 2489 DISPATCH(); | |
| 2490 } | |
| 2491 | |
| 2492 TARGET(IMPORT_FROM) { | |
| 2493 PyObject *name = GETITEM(names, oparg); | |
| 2494 PyObject *from = TOP(); | |
| 2495 PyObject *res; | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2496 READ_TIMESTAMP(intr0); |
| 79693 | 2497 res = import_from(from, name); |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2498 READ_TIMESTAMP(intr1); |
| 79693 | 2499 PUSH(res); |
| 2500 if (res == NULL) | |
| 2501 goto error; | |
| 2502 DISPATCH(); | |
| 2503 } | |
| 2504 | |
| 2505 TARGET(JUMP_FORWARD) { | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2506 JUMPBY(oparg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2507 FAST_DISPATCH(); |
| 79693 | 2508 } |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2509 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2510 PREDICTED_WITH_ARG(POP_JUMP_IF_FALSE); |
| 79693 | 2511 TARGET(POP_JUMP_IF_FALSE) { |
| 2512 PyObject *cond = POP(); | |
| 2513 int err; | |
| 2514 if (cond == Py_True) { | |
| 2515 Py_DECREF(cond); | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2516 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2517 } |
| 79693 | 2518 if (cond == Py_False) { |
| 2519 Py_DECREF(cond); | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2520 JUMPTO(oparg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2521 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2522 } |
| 79693 | 2523 err = PyObject_IsTrue(cond); |
| 2524 Py_DECREF(cond); | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2525 if (err > 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2526 err = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2527 else if (err == 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2528 JUMPTO(oparg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2529 else |
| 79693 | 2530 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2531 DISPATCH(); |
| 79693 | 2532 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
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|
2533 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2534 PREDICTED_WITH_ARG(POP_JUMP_IF_TRUE); |
| 79693 | 2535 TARGET(POP_JUMP_IF_TRUE) { |
| 2536 PyObject *cond = POP(); | |
| 2537 int err; | |
| 2538 if (cond == Py_False) { | |
| 2539 Py_DECREF(cond); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2540 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2541 } |
| 79693 | 2542 if (cond == Py_True) { |
| 2543 Py_DECREF(cond); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2544 JUMPTO(oparg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2545 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2546 } |
| 79693 | 2547 err = PyObject_IsTrue(cond); |
| 2548 Py_DECREF(cond); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2549 if (err > 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2550 err = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2551 JUMPTO(oparg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2552 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2553 else if (err == 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2554 ; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2555 else |
| 79693 | 2556 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2557 DISPATCH(); |
| 79693 | 2558 } |
| 2559 | |
| 2560 TARGET(JUMP_IF_FALSE_OR_POP) { | |
| 2561 PyObject *cond = TOP(); | |
| 2562 int err; | |
| 2563 if (cond == Py_True) { | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2564 STACKADJ(-1); |
| 79693 | 2565 Py_DECREF(cond); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2566 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2567 } |
| 79693 | 2568 if (cond == Py_False) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2569 JUMPTO(oparg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2570 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2571 } |
| 79693 | 2572 err = PyObject_IsTrue(cond); |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2573 if (err > 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2574 STACKADJ(-1); |
| 79693 | 2575 Py_DECREF(cond); |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2576 err = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2577 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2578 else if (err == 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2579 JUMPTO(oparg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2580 else |
| 79693 | 2581 goto error; |
|
61467
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parents:
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diff
changeset
|
2582 DISPATCH(); |
| 79693 | 2583 } |
| 2584 | |
| 2585 TARGET(JUMP_IF_TRUE_OR_POP) { | |
| 2586 PyObject *cond = TOP(); | |
| 2587 int err; | |
| 2588 if (cond == Py_False) { | |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2589 STACKADJ(-1); |
| 79693 | 2590 Py_DECREF(cond); |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2591 FAST_DISPATCH(); |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2592 } |
| 79693 | 2593 if (cond == Py_True) { |
|
61467
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parents:
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diff
changeset
|
2594 JUMPTO(oparg); |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2595 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2596 } |
| 79693 | 2597 err = PyObject_IsTrue(cond); |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
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|
2598 if (err > 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2599 err = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2600 JUMPTO(oparg); |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2601 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2602 else if (err == 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2603 STACKADJ(-1); |
| 79693 | 2604 Py_DECREF(cond); |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2605 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2606 else |
| 79693 | 2607 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2608 DISPATCH(); |
| 79693 | 2609 } |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2610 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2611 PREDICTED_WITH_ARG(JUMP_ABSOLUTE); |
| 79693 | 2612 TARGET(JUMP_ABSOLUTE) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
2613 JUMPTO(oparg); |
|
43815
85cf334b32c3
Merged revisions 58886-58929 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
43777
diff
changeset
|
2614 #if FAST_LOOPS |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2615 /* Enabling this path speeds-up all while and for-loops by bypassing |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2616 the per-loop checks for signals. By default, this should be turned-off |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2617 because it prevents detection of a control-break in tight loops like |
|
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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|
2618 "while 1: pass". Compile with this option turned-on when you need |
|
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2619 the speed-up and do not need break checking inside tight loops (ones |
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2620 that contain only instructions ending with FAST_DISPATCH). |
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2621 */ |
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2622 FAST_DISPATCH(); |
|
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2623 #else |
|
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2624 DISPATCH(); |
|
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2625 #endif |
| 79693 | 2626 } |
| 2627 | |
| 2628 TARGET(GET_ITER) { | |
|
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2629 /* before: [obj]; after [getiter(obj)] */ |
| 79693 | 2630 PyObject *iterable = TOP(); |
| 2631 PyObject *iter = PyObject_GetIter(iterable); | |
| 2632 Py_DECREF(iterable); | |
| 2633 SET_TOP(iter); | |
| 2634 if (iter == NULL) | |
| 2635 goto error; | |
| 2636 PREDICT(FOR_ITER); | |
| 2637 DISPATCH(); | |
| 2638 } | |
|
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2639 |
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2640 PREDICTED_WITH_ARG(FOR_ITER); |
| 79693 | 2641 TARGET(FOR_ITER) { |
|
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2642 /* before: [iter]; after: [iter, iter()] *or* [] */ |
| 79693 | 2643 PyObject *iter = TOP(); |
| 2644 PyObject *next = (*iter->ob_type->tp_iternext)(iter); | |
| 2645 if (next != NULL) { | |
| 2646 PUSH(next); | |
|
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2647 PREDICT(STORE_FAST); |
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2648 PREDICT(UNPACK_SEQUENCE); |
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2649 DISPATCH(); |
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2650 } |
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2651 if (PyErr_Occurred()) { |
| 79693 | 2652 if (!PyErr_ExceptionMatches(PyExc_StopIteration)) |
| 2653 goto error; | |
|
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2654 PyErr_Clear(); |
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2655 } |
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2656 /* iterator ended normally */ |
| 79693 | 2657 STACKADJ(-1); |
| 2658 Py_DECREF(iter); | |
|
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2659 JUMPBY(oparg); |
|
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2660 DISPATCH(); |
| 79693 | 2661 } |
| 2662 | |
| 2663 TARGET(BREAK_LOOP) { | |
|
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2664 why = WHY_BREAK; |
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2665 goto fast_block_end; |
| 79693 | 2666 } |
| 2667 | |
| 2668 TARGET(CONTINUE_LOOP) { | |
|
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2669 retval = PyLong_FromLong(oparg); |
| 79693 | 2670 if (retval == NULL) |
| 2671 goto error; | |
|
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2672 why = WHY_CONTINUE; |
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2673 goto fast_block_end; |
| 79693 | 2674 } |
|
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2675 |
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2676 TARGET_WITH_IMPL(SETUP_LOOP, _setup_finally) |
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2677 TARGET_WITH_IMPL(SETUP_EXCEPT, _setup_finally) |
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2678 TARGET(SETUP_FINALLY) |
| 79693 | 2679 _setup_finally: { |
|
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2680 /* NOTE: If you add any new block-setup opcodes that |
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2681 are not try/except/finally handlers, you may need |
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2682 to update the PyGen_NeedsFinalizing() function. |
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2683 */ |
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2684 |
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2685 PyFrame_BlockSetup(f, opcode, INSTR_OFFSET() + oparg, |
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2686 STACK_LEVEL()); |
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2687 DISPATCH(); |
| 79693 | 2688 } |
| 2689 | |
| 2690 TARGET(SETUP_WITH) { | |
|
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2691 _Py_IDENTIFIER(__exit__); |
|
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2692 _Py_IDENTIFIER(__enter__); |
| 79693 | 2693 PyObject *mgr = TOP(); |
| 2694 PyObject *exit = special_lookup(mgr, &PyId___exit__), *enter; | |
| 2695 PyObject *res; | |
| 2696 if (exit == NULL) | |
| 2697 goto error; | |
| 2698 SET_TOP(exit); | |
| 2699 enter = special_lookup(mgr, &PyId___enter__); | |
| 2700 Py_DECREF(mgr); | |
| 2701 if (enter == NULL) | |
| 2702 goto error; | |
| 2703 res = PyObject_CallFunctionObjArgs(enter, NULL); | |
| 2704 Py_DECREF(enter); | |
| 2705 if (res == NULL) | |
| 2706 goto error; | |
|
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2707 /* Setup the finally block before pushing the result |
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2708 of __enter__ on the stack. */ |
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2709 PyFrame_BlockSetup(f, SETUP_FINALLY, INSTR_OFFSET() + oparg, |
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2710 STACK_LEVEL()); |
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2711 |
| 79693 | 2712 PUSH(res); |
|
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2713 DISPATCH(); |
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2714 } |
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2715 |
| 79693 | 2716 TARGET(WITH_CLEANUP) { |
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2717 /* At the top of the stack are 1-3 values indicating |
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2718 how/why we entered the finally clause: |
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2719 - TOP = None |
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2720 - (TOP, SECOND) = (WHY_{RETURN,CONTINUE}), retval |
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2721 - TOP = WHY_*; no retval below it |
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2722 - (TOP, SECOND, THIRD) = exc_info() |
|
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2723 (FOURTH, FITH, SIXTH) = previous exception for EXCEPT_HANDLER |
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2724 Below them is EXIT, the context.__exit__ bound method. |
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2725 In the last case, we must call |
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2726 EXIT(TOP, SECOND, THIRD) |
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2727 otherwise we must call |
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2728 EXIT(None, None, None) |
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2729 |
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2730 In the first two cases, we remove EXIT from the |
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2731 stack, leaving the rest in the same order. In the |
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2732 third case, we shift the bottom 3 values of the |
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2733 stack down, and replace the empty spot with NULL. |
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2734 |
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2735 In addition, if the stack represents an exception, |
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2736 *and* the function call returns a 'true' value, we |
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2737 push WHY_SILENCED onto the stack. END_FINALLY will |
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2738 then not re-raise the exception. (But non-local |
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2739 gotos should still be resumed.) |
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2740 */ |
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2741 |
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2742 PyObject *exit_func; |
| 79693 | 2743 PyObject *exc = TOP(), *val = Py_None, *tb = Py_None, *res; |
| 2744 int err; | |
| 2745 if (exc == Py_None) { | |
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2746 (void)POP(); |
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2747 exit_func = TOP(); |
| 79693 | 2748 SET_TOP(exc); |
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2749 } |
| 79693 | 2750 else if (PyLong_Check(exc)) { |
| 2751 STACKADJ(-1); | |
| 2752 switch (PyLong_AsLong(exc)) { | |
|
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2753 case WHY_RETURN: |
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2754 case WHY_CONTINUE: |
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2755 /* Retval in TOP. */ |
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2756 exit_func = SECOND(); |
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2757 SET_SECOND(TOP()); |
| 79693 | 2758 SET_TOP(exc); |
|
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2759 break; |
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2760 default: |
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2761 exit_func = TOP(); |
| 79693 | 2762 SET_TOP(exc); |
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2763 break; |
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2764 } |
| 79693 | 2765 exc = Py_None; |
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2766 } |
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2767 else { |
| 79693 | 2768 PyObject *tp2, *exc2, *tb2; |
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2769 PyTryBlock *block; |
| 79693 | 2770 val = SECOND(); |
| 2771 tb = THIRD(); | |
| 2772 tp2 = FOURTH(); | |
| 2773 exc2 = PEEK(5); | |
| 2774 tb2 = PEEK(6); | |
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2775 exit_func = PEEK(7); |
| 79693 | 2776 SET_VALUE(7, tb2); |
| 2777 SET_VALUE(6, exc2); | |
| 2778 SET_VALUE(5, tp2); | |
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2779 /* UNWIND_EXCEPT_HANDLER will pop this off. */ |
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2780 SET_FOURTH(NULL); |
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parents:
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diff
changeset
|
2781 /* We just shifted the stack down, so we have |
|
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
61186
diff
changeset
|
2782 to tell the except handler block that the |
|
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
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parents:
61186
diff
changeset
|
2783 values are lower than it expects. */ |
|
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Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2784 block = &f->f_blockstack[f->f_iblock - 1]; |
|
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
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parents:
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diff
changeset
|
2785 assert(block->b_type == EXCEPT_HANDLER); |
|
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Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2786 block->b_level--; |
|
61467
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diff
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|
2787 } |
|
f197407bdba2
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diff
changeset
|
2788 /* XXX Not the fastest way to call it... */ |
| 79693 | 2789 res = PyObject_CallFunctionObjArgs(exit_func, exc, val, tb, NULL); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2790 Py_DECREF(exit_func); |
| 79693 | 2791 if (res == NULL) |
| 2792 goto error; | |
| 2793 | |
| 2794 if (exc != Py_None) | |
| 2795 err = PyObject_IsTrue(res); | |
|
61467
f197407bdba2
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diff
changeset
|
2796 else |
|
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diff
changeset
|
2797 err = 0; |
| 79693 | 2798 Py_DECREF(res); |
|
61467
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|
2799 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2800 if (err < 0) |
| 79693 | 2801 goto error; |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2802 else if (err > 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2803 err = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2804 /* There was an exception and a True return */ |
|
61466
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2805 PUSH(PyLong_FromLong((long) WHY_SILENCED)); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
2806 } |
|
f197407bdba2
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diff
changeset
|
2807 PREDICT(END_FINALLY); |
| 79693 | 2808 DISPATCH(); |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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|
2809 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2810 |
| 79693 | 2811 TARGET(CALL_FUNCTION) { |
| 2812 PyObject **sp, *res; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2813 PCALL(PCALL_ALL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2814 sp = stack_pointer; |
|
32301
41c59d80bbc5
Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents:
32247
diff
changeset
|
2815 #ifdef WITH_TSC |
| 79693 | 2816 res = call_function(&sp, oparg, &intr0, &intr1); |
|
32301
41c59d80bbc5
Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents:
32247
diff
changeset
|
2817 #else |
| 79693 | 2818 res = call_function(&sp, oparg); |
|
32301
41c59d80bbc5
Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents:
32247
diff
changeset
|
2819 #endif |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2820 stack_pointer = sp; |
| 79693 | 2821 PUSH(res); |
| 2822 if (res == NULL) | |
| 2823 goto error; | |
| 2824 DISPATCH(); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
2825 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
2826 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2827 TARGET_WITH_IMPL(CALL_FUNCTION_VAR, _call_function_var_kw) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2828 TARGET_WITH_IMPL(CALL_FUNCTION_KW, _call_function_var_kw) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2829 TARGET(CALL_FUNCTION_VAR_KW) |
| 79693 | 2830 _call_function_var_kw: { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2831 int na = oparg & 0xff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2832 int nk = (oparg>>8) & 0xff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2833 int flags = (opcode - CALL_FUNCTION) & 3; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2834 int n = na + 2 * nk; |
| 79693 | 2835 PyObject **pfunc, *func, **sp, *res; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2836 PCALL(PCALL_ALL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2837 if (flags & CALL_FLAG_VAR) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2838 n++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2839 if (flags & CALL_FLAG_KW) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2840 n++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2841 pfunc = stack_pointer - n - 1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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59858
diff
changeset
|
2842 func = *pfunc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
2843 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2844 if (PyMethod_Check(func) |
|
62462
0e4637ea20d0
Merged revisions 82181 via svnmerge from
Stefan Krah <stefan@bytereef.org>
parents:
61467
diff
changeset
|
2845 && PyMethod_GET_SELF(func) != NULL) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2846 PyObject *self = PyMethod_GET_SELF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2847 Py_INCREF(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2848 func = PyMethod_GET_FUNCTION(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2849 Py_INCREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2850 Py_DECREF(*pfunc); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2851 *pfunc = self; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2852 na++; |
|
68102
e2f96bd29252
Issue #8914: fix various warnings from the Clang static analyzer v254.
Brett Cannon <bcannon@gmail.com>
parents:
68086
diff
changeset
|
2853 /* n++; */ |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2854 } else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2855 Py_INCREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2856 sp = stack_pointer; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2857 READ_TIMESTAMP(intr0); |
| 79693 | 2858 res = ext_do_call(func, &sp, flags, na, nk); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2859 READ_TIMESTAMP(intr1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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59858
diff
changeset
|
2860 stack_pointer = sp; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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59858
diff
changeset
|
2861 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2862 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2863 while (stack_pointer > pfunc) { |
| 79693 | 2864 PyObject *o = POP(); |
| 2865 Py_DECREF(o); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2866 } |
| 79693 | 2867 PUSH(res); |
| 2868 if (res == NULL) | |
| 2869 goto error; | |
| 2870 DISPATCH(); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2871 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2872 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2873 TARGET_WITH_IMPL(MAKE_CLOSURE, _make_function) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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59858
diff
changeset
|
2874 TARGET(MAKE_FUNCTION) |
| 79693 | 2875 _make_function: { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2876 int posdefaults = oparg & 0xff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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59858
diff
changeset
|
2877 int kwdefaults = (oparg>>8) & 0xff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2878 int num_annotations = (oparg >> 16) & 0x7fff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2879 |
| 79693 | 2880 PyObject *qualname = POP(); /* qualname */ |
| 2881 PyObject *code = POP(); /* code object */ | |
| 2882 PyObject *func = PyFunction_NewWithQualName(code, f->f_globals, qualname); | |
| 2883 Py_DECREF(code); | |
| 2884 Py_DECREF(qualname); | |
| 2885 | |
| 2886 if (func == NULL) | |
| 2887 goto error; | |
| 2888 | |
| 2889 if (opcode == MAKE_CLOSURE) { | |
| 2890 PyObject *closure = POP(); | |
| 2891 if (PyFunction_SetClosure(func, closure) != 0) { | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2892 /* Can't happen unless bytecode is corrupt. */ |
| 79693 | 2893 Py_DECREF(func); |
| 2894 Py_DECREF(closure); | |
| 2895 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2896 } |
| 79693 | 2897 Py_DECREF(closure); |
|
61467
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changeset
|
2898 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
2899 |
| 79693 | 2900 if (num_annotations > 0) { |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2901 Py_ssize_t name_ix; |
| 79693 | 2902 PyObject *names = POP(); /* names of args with annotations */ |
| 2903 PyObject *anns = PyDict_New(); | |
| 2904 if (anns == NULL) { | |
| 2905 Py_DECREF(func); | |
| 2906 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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59858
diff
changeset
|
2907 } |
| 79693 | 2908 name_ix = PyTuple_Size(names); |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2909 assert(num_annotations == name_ix+1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2910 while (name_ix > 0) { |
| 79693 | 2911 PyObject *name, *value; |
| 2912 int err; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2913 --name_ix; |
| 79693 | 2914 name = PyTuple_GET_ITEM(names, name_ix); |
| 2915 value = POP(); | |
| 2916 err = PyDict_SetItem(anns, name, value); | |
| 2917 Py_DECREF(value); | |
| 2918 if (err != 0) { | |
| 2919 Py_DECREF(anns); | |
| 2920 Py_DECREF(func); | |
| 2921 goto error; | |
| 2922 } | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
2923 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2924 |
| 79693 | 2925 if (PyFunction_SetAnnotations(func, anns) != 0) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2926 /* Can't happen unless |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2927 PyFunction_SetAnnotations changes. */ |
| 79693 | 2928 Py_DECREF(anns); |
| 2929 Py_DECREF(func); | |
| 2930 goto error; | |
|
61467
f197407bdba2
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Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2931 } |
| 79693 | 2932 Py_DECREF(anns); |
| 2933 Py_DECREF(names); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
2934 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
2935 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2936 /* XXX Maybe this should be a separate opcode? */ |
| 79693 | 2937 if (kwdefaults > 0) { |
| 2938 PyObject *defs = PyDict_New(); | |
| 2939 if (defs == NULL) { | |
| 2940 Py_DECREF(func); | |
| 2941 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2942 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2943 while (--kwdefaults >= 0) { |
| 79693 | 2944 PyObject *v = POP(); /* default value */ |
| 2945 PyObject *key = POP(); /* kw only arg name */ | |
| 2946 int err = PyDict_SetItem(defs, key, v); | |
| 2947 Py_DECREF(v); | |
| 2948 Py_DECREF(key); | |
| 2949 if (err != 0) { | |
| 2950 Py_DECREF(defs); | |
| 2951 Py_DECREF(func); | |
| 2952 goto error; | |
| 2953 } | |
|
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|
2954 } |
| 79693 | 2955 if (PyFunction_SetKwDefaults(func, defs) != 0) { |
|
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changeset
|
2956 /* Can't happen unless |
|
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diff
changeset
|
2957 PyFunction_SetKwDefaults changes. */ |
| 79693 | 2958 Py_DECREF(func); |
| 2959 Py_DECREF(defs); | |
| 2960 goto error; | |
|
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|
2961 } |
| 79693 | 2962 Py_DECREF(defs); |
|
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|
2963 } |
|
82133
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2964 if (posdefaults > 0) { |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2965 PyObject *defs = PyTuple_New(posdefaults); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2966 if (defs == NULL) { |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2967 Py_DECREF(func); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2968 goto error; |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2969 } |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2970 while (--posdefaults >= 0) |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2971 PyTuple_SET_ITEM(defs, posdefaults, POP()); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2972 if (PyFunction_SetDefaults(func, defs) != 0) { |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2973 /* Can't happen unless |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2974 PyFunction_SetDefaults changes. */ |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2975 Py_DECREF(defs); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2976 Py_DECREF(func); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2977 goto error; |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2978 } |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2979 Py_DECREF(defs); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2980 } |
| 79693 | 2981 PUSH(func); |
| 2982 DISPATCH(); | |
|
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|
2983 } |
|
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|
2984 |
| 79693 | 2985 TARGET(BUILD_SLICE) { |
| 2986 PyObject *start, *stop, *step, *slice; | |
|
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|
2987 if (oparg == 3) |
| 79693 | 2988 step = POP(); |
|
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|
2989 else |
| 79693 | 2990 step = NULL; |
| 2991 stop = POP(); | |
| 2992 start = TOP(); | |
| 2993 slice = PySlice_New(start, stop, step); | |
| 2994 Py_DECREF(start); | |
| 2995 Py_DECREF(stop); | |
| 2996 Py_XDECREF(step); | |
| 2997 SET_TOP(slice); | |
| 2998 if (slice == NULL) | |
| 2999 goto error; | |
| 3000 DISPATCH(); | |
| 3001 } | |
| 3002 | |
| 3003 TARGET(EXTENDED_ARG) { | |
|
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|
3004 opcode = NEXTOP(); |
|
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|
3005 oparg = oparg<<16 | NEXTARG(); |
|
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|
3006 goto dispatch_opcode; |
| 79693 | 3007 } |
|
3839
22e29b1747e1
Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents:
3694
diff
changeset
|
3008 |
|
63959
e54baebbd6ff
Issue #9203: Computed gotos are now enabled by default on supported
Antoine Pitrou <solipsis@pitrou.net>
parents:
63114
diff
changeset
|
3009 #if USE_COMPUTED_GOTOS |
|
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changeset
|
3010 _unknown_opcode: |
|
51031
d86e23318b41
Issue #4753: By enabling a configure option named '--with-computed-gotos'
Antoine Pitrou <solipsis@pitrou.net>
parents:
50840
diff
changeset
|
3011 #endif |
|
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|
3012 default: |
|
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|
3013 fprintf(stderr, |
|
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changeset
|
3014 "XXX lineno: %d, opcode: %d\n", |
|
61466
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|
3015 PyFrame_GetLineNumber(f), |
|
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|
3016 opcode); |
|
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diff
changeset
|
3017 PyErr_SetString(PyExc_SystemError, "unknown opcode"); |
| 79693 | 3018 goto error; |
|
944
222f04f55083
Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents:
926
diff
changeset
|
3019 |
|
222f04f55083
Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents:
926
diff
changeset
|
3020 #ifdef CASE_TOO_BIG |
|
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|
3021 } |
|
944
222f04f55083
Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents:
926
diff
changeset
|
3022 #endif |
|
222f04f55083
Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents:
926
diff
changeset
|
3023 |
|
61467
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changeset
|
3024 } /* switch */ |
|
f197407bdba2
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diff
changeset
|
3025 |
| 79693 | 3026 /* This should never be reached. Every opcode should end with DISPATCH() |
| 3027 or goto error. */ | |
| 3028 assert(0); | |
| 3029 | |
| 3030 error: | |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3031 READ_TIMESTAMP(inst1); |
|
f197407bdba2
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parents:
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diff
changeset
|
3032 |
| 79693 | 3033 assert(why == WHY_NOT); |
| 3034 why = WHY_EXCEPTION; | |
| 3035 | |
| 3036 /* Double-check exception status. */ | |
|
84573
d9446c2a2fd4
Issue #18408: ceval.c: in debug mode, convert the PyErr_Occurred() check on
Victor Stinner <victor.stinner@gmail.com>
parents:
84529
diff
changeset
|
3037 #ifdef NDEBUG |
| 79693 | 3038 if (!PyErr_Occurred()) |
| 3039 PyErr_SetString(PyExc_SystemError, | |
| 3040 "error return without exception set"); | |
|
84573
d9446c2a2fd4
Issue #18408: ceval.c: in debug mode, convert the PyErr_Occurred() check on
Victor Stinner <victor.stinner@gmail.com>
parents:
84529
diff
changeset
|
3041 #else |
|
d9446c2a2fd4
Issue #18408: ceval.c: in debug mode, convert the PyErr_Occurred() check on
Victor Stinner <victor.stinner@gmail.com>
parents:
84529
diff
changeset
|
3042 assert(PyErr_Occurred()); |
|
32301
41c59d80bbc5
Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents:
32247
diff
changeset
|
3043 #endif |
| 79693 | 3044 |
| 3045 /* Log traceback info. */ | |
| 3046 PyTraceBack_Here(f); | |
| 3047 | |
|
81677
cd87afe18ff8
revert #16672 for incorrect semantics
Benjamin Peterson <benjamin@python.org>
parents:
81015
diff
changeset
|
3048 if (tstate->c_tracefunc != NULL) |
| 79693 | 3049 call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj, f); |
| 3050 | |
| 3051 fast_block_end: | |
| 3052 assert(why != WHY_NOT); | |
|
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changeset
|
3053 |
|
f197407bdba2
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parents:
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changeset
|
3054 /* Unwind stacks if a (pseudo) exception occurred */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3055 while (why != WHY_NOT && f->f_iblock > 0) { |
|
61466
cab14be0ada1
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parents:
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changeset
|
3056 /* Peek at the current block. */ |
|
cab14be0ada1
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parents:
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diff
changeset
|
3057 PyTryBlock *b = &f->f_blockstack[f->f_iblock - 1]; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3058 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
3059 assert(why != WHY_YIELD); |
|
f197407bdba2
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parents:
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changeset
|
3060 if (b->b_type == SETUP_LOOP && why == WHY_CONTINUE) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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changeset
|
3061 why = WHY_NOT; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3062 JUMPTO(PyLong_AS_LONG(retval)); |
|
f197407bdba2
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diff
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|
3063 Py_DECREF(retval); |
|
f197407bdba2
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changeset
|
3064 break; |
|
f197407bdba2
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changeset
|
3065 } |
|
61466
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changeset
|
3066 /* Now we have to pop the block. */ |
|
cab14be0ada1
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changeset
|
3067 f->f_iblock--; |
|
61467
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|
3068 |
|
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changeset
|
3069 if (b->b_type == EXCEPT_HANDLER) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3070 UNWIND_EXCEPT_HANDLER(b); |
|
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|
3071 continue; |
|
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|
3072 } |
|
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|
3073 UNWIND_BLOCK(b); |
|
f197407bdba2
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|
3074 if (b->b_type == SETUP_LOOP && why == WHY_BREAK) { |
|
f197407bdba2
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|
3075 why = WHY_NOT; |
|
f197407bdba2
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|
3076 JUMPTO(b->b_handler); |
|
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|
3077 break; |
|
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|
3078 } |
|
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|
3079 if (why == WHY_EXCEPTION && (b->b_type == SETUP_EXCEPT |
|
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|
3080 || b->b_type == SETUP_FINALLY)) { |
|
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|
3081 PyObject *exc, *val, *tb; |
|
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|
3082 int handler = b->b_handler; |
|
f197407bdba2
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|
3083 /* Beware, this invalidates all b->b_* fields */ |
|
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|
3084 PyFrame_BlockSetup(f, EXCEPT_HANDLER, -1, STACK_LEVEL()); |
|
f197407bdba2
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|
3085 PUSH(tstate->exc_traceback); |
|
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|
3086 PUSH(tstate->exc_value); |
|
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|
3087 if (tstate->exc_type != NULL) { |
|
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|
3088 PUSH(tstate->exc_type); |
|
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|
3089 } |
|
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|
3090 else { |
|
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|
3091 Py_INCREF(Py_None); |
|
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|
3092 PUSH(Py_None); |
|
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|
3093 } |
|
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|
3094 PyErr_Fetch(&exc, &val, &tb); |
|
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|
3095 /* Make the raw exception data |
|
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|
3096 available to the handler, |
|
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|
3097 so a program can emulate the |
|
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|
3098 Python main loop. */ |
|
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|
3099 PyErr_NormalizeException( |
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3100 &exc, &val, &tb); |
|
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3101 if (tb != NULL) |
|
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|
3102 PyException_SetTraceback(val, tb); |
|
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3103 else |
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3104 PyException_SetTraceback(val, Py_None); |
|
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3105 Py_INCREF(exc); |
|
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3106 tstate->exc_type = exc; |
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3107 Py_INCREF(val); |
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3108 tstate->exc_value = val; |
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3109 tstate->exc_traceback = tb; |
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3110 if (tb == NULL) |
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3111 tb = Py_None; |
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3112 Py_INCREF(tb); |
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3113 PUSH(tb); |
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3114 PUSH(val); |
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3115 PUSH(exc); |
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3116 why = WHY_NOT; |
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3117 JUMPTO(handler); |
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3118 break; |
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3119 } |
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3120 if (b->b_type == SETUP_FINALLY) { |
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3121 if (why & (WHY_RETURN | WHY_CONTINUE)) |
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3122 PUSH(retval); |
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3123 PUSH(PyLong_FromLong((long)why)); |
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3124 why = WHY_NOT; |
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3125 JUMPTO(b->b_handler); |
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3126 break; |
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3127 } |
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3128 } /* unwind stack */ |
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3129 |
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3130 /* End the loop if we still have an error (or return) */ |
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3131 |
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3132 if (why != WHY_NOT) |
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3133 break; |
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3134 READ_TIMESTAMP(loop1); |
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3135 |
|
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|
3136 assert(!PyErr_Occurred()); |
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3137 |
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3138 } /* main loop */ |
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3139 |
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3140 assert(why != WHY_YIELD); |
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3141 /* Pop remaining stack entries. */ |
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3142 while (!EMPTY()) { |
| 79693 | 3143 PyObject *o = POP(); |
| 3144 Py_XDECREF(o); | |
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3145 } |
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3146 |
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3147 if (why != WHY_RETURN) |
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3148 retval = NULL; |
|
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Guido van Rossum <guido@python.org>
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3149 |
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3150 assert((retval != NULL && !PyErr_Occurred()) |
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3151 || (retval == NULL && PyErr_Occurred())); |
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3152 |
|
31462
d5c047807c69
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Raymond Hettinger <python@rcn.com>
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3153 fast_yield: |
|
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3154 if (co->co_flags & CO_GENERATOR && (why == WHY_YIELD || why == WHY_RETURN)) { |
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3155 /* The purpose of this block is to put aside the generator's exception |
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3156 state and restore that of the calling frame. If the current |
|
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3157 exception state is from the caller, we clear the exception values |
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3158 on the generator frame, so they are not swapped back in latter. The |
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3159 origin of the current exception state is determined by checking for |
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3160 except handler blocks, which we must be in iff a new exception |
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3161 state came into existence in this frame. (An uncaught exception |
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3162 would have why == WHY_EXCEPTION, and we wouldn't be here). */ |
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3163 int i; |
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3164 for (i = 0; i < f->f_iblock; i++) |
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3165 if (f->f_blockstack[i].b_type == EXCEPT_HANDLER) |
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3166 break; |
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3167 if (i == f->f_iblock) |
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3168 /* We did not create this exception. */ |
|
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|
3169 restore_and_clear_exc_state(tstate, f); |
|
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3170 else |
|
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3171 swap_exc_state(tstate, f); |
|
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3172 } |
|
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3173 |
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3174 if (tstate->use_tracing) { |
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3175 if (tstate->c_tracefunc) { |
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3176 if (why == WHY_RETURN || why == WHY_YIELD) { |
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3177 if (call_trace(tstate->c_tracefunc, |
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3178 tstate->c_traceobj, f, |
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3179 PyTrace_RETURN, retval)) { |
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3180 Py_XDECREF(retval); |
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3181 retval = NULL; |
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3182 why = WHY_EXCEPTION; |
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3183 } |
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3184 } |
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3185 else if (why == WHY_EXCEPTION) { |
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3186 call_trace_protected(tstate->c_tracefunc, |
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3187 tstate->c_traceobj, f, |
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3188 PyTrace_RETURN, NULL); |
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3189 } |
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3190 } |
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3191 if (tstate->c_profilefunc) { |
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3192 if (why == WHY_EXCEPTION) |
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3193 call_trace_protected(tstate->c_profilefunc, |
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3194 tstate->c_profileobj, f, |
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3195 PyTrace_RETURN, NULL); |
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3196 else if (call_trace(tstate->c_profilefunc, |
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3197 tstate->c_profileobj, f, |
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3198 PyTrace_RETURN, retval)) { |
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3199 Py_XDECREF(retval); |
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3200 retval = NULL; |
|
68102
e2f96bd29252
Issue #8914: fix various warnings from the Clang static analyzer v254.
Brett Cannon <bcannon@gmail.com>
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3201 /* why = WHY_EXCEPTION; */ |
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3202 } |
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3203 } |
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3204 } |
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3205 |
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3206 /* pop frame */ |
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3207 exit_eval_frame: |
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3208 Py_LeaveRecursiveCall(); |
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85046
862ab99ab570
Issue #17934: Add a clear() method to frame objects, to help clean up expensive details (local variables) and break reference cycles.
Antoine Pitrou <solipsis@pitrou.net>
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|
3209 f->f_executing = 0; |
|
61467
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3210 tstate->frame = f->f_back; |
|
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3211 |
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3212 return retval; |
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173
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3213 } |
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3214 |
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|
3215 static void |
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|
3216 format_missing(const char *kind, PyCodeObject *co, PyObject *names) |
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|
3217 { |
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|
3218 int err; |
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|
3219 Py_ssize_t len = PyList_GET_SIZE(names); |
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|
3220 PyObject *name_str, *comma, *tail, *tmp; |
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3221 |
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|
3222 assert(PyList_CheckExact(names)); |
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3223 assert(len >= 1); |
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|
3224 /* Deal with the joys of natural language. */ |
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|
3225 switch (len) { |
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|
3226 case 1: |
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|
3227 name_str = PyList_GET_ITEM(names, 0); |
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3228 Py_INCREF(name_str); |
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|
3229 break; |
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3230 case 2: |
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|
3231 name_str = PyUnicode_FromFormat("%U and %U", |
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3232 PyList_GET_ITEM(names, len - 2), |
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3233 PyList_GET_ITEM(names, len - 1)); |
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3234 break; |
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3235 default: |
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3236 tail = PyUnicode_FromFormat(", %U, and %U", |
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3237 PyList_GET_ITEM(names, len - 2), |
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3238 PyList_GET_ITEM(names, len - 1)); |
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77283
2285a82504dc
check return for error
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3239 if (tail == NULL) |
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3240 return; |
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3241 /* Chop off the last two objects in the list. This shouldn't actually |
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|
3242 fail, but we can't be too careful. */ |
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3243 err = PyList_SetSlice(names, len - 2, len, NULL); |
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|
3244 if (err == -1) { |
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|
3245 Py_DECREF(tail); |
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|
3246 return; |
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|
3247 } |
|
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|
3248 /* Stitch everything up into a nice comma-separated list. */ |
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|
3249 comma = PyUnicode_FromString(", "); |
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|
3250 if (comma == NULL) { |
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|
3251 Py_DECREF(tail); |
|
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|
3252 return; |
|
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|
3253 } |
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|
3254 tmp = PyUnicode_Join(comma, names); |
|
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|
3255 Py_DECREF(comma); |
|
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|
3256 if (tmp == NULL) { |
|
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|
3257 Py_DECREF(tail); |
|
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|
3258 return; |
|
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|
3259 } |
|
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|
3260 name_str = PyUnicode_Concat(tmp, tail); |
|
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|
3261 Py_DECREF(tmp); |
|
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parents:
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|
3262 Py_DECREF(tail); |
|
52744a5a9260
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parents:
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diff
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|
3263 break; |
|
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|
3264 } |
|
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diff
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|
3265 if (name_str == NULL) |
|
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|
3266 return; |
|
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|
3267 PyErr_Format(PyExc_TypeError, |
|
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diff
changeset
|
3268 "%U() missing %i required %s argument%s: %U", |
|
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diff
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|
3269 co->co_name, |
|
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diff
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|
3270 len, |
|
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diff
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|
3271 kind, |
|
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|
3272 len == 1 ? "" : "s", |
|
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|
3273 name_str); |
|
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|
3274 Py_DECREF(name_str); |
|
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|
3275 } |
|
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|
3276 |
|
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|
3277 static void |
|
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|
3278 missing_arguments(PyCodeObject *co, int missing, int defcount, |
|
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|
3279 PyObject **fastlocals) |
|
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|
3280 { |
|
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|
3281 int i, j = 0; |
|
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|
3282 int start, end; |
|
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|
3283 int positional = defcount != -1; |
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|
3284 const char *kind = positional ? "positional" : "keyword-only"; |
|
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|
3285 PyObject *missing_names; |
|
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|
3286 |
|
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|
3287 /* Compute the names of the arguments that are missing. */ |
|
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|
3288 missing_names = PyList_New(missing); |
|
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|
3289 if (missing_names == NULL) |
|
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|
3290 return; |
|
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|
3291 if (positional) { |
|
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|
3292 start = 0; |
|
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|
3293 end = co->co_argcount - defcount; |
|
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|
3294 } |
|
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|
3295 else { |
|
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|
3296 start = co->co_argcount; |
|
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|
3297 end = start + co->co_kwonlyargcount; |
|
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|
3298 } |
|
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changeset
|
3299 for (i = start; i < end; i++) { |
|
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|
3300 if (GETLOCAL(i) == NULL) { |
|
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|
3301 PyObject *raw = PyTuple_GET_ITEM(co->co_varnames, i); |
|
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|
3302 PyObject *name = PyObject_Repr(raw); |
|
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|
3303 if (name == NULL) { |
|
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|
3304 Py_DECREF(missing_names); |
|
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|
3305 return; |
|
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|
3306 } |
|
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|
3307 PyList_SET_ITEM(missing_names, j++, name); |
|
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|
3308 } |
|
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|
3309 } |
|
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|
3310 assert(j == missing); |
|
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|
3311 format_missing(kind, co, missing_names); |
|
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|
3312 Py_DECREF(missing_names); |
|
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|
3313 } |
|
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|
3314 |
|
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|
3315 static void |
|
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diff
changeset
|
3316 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
|
3317 { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3318 int plural; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3319 int kwonly_given = 0; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3320 int i; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3321 PyObject *sig, *kwonly_sig; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3322 |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3323 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
|
3324 /* Count missing keyword-only args. */ |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3325 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>
parents:
70652
diff
changeset
|
3326 if (GETLOCAL(i) != NULL) |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3327 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
|
3328 if (defcount) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3329 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
|
3330 plural = 1; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3331 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
|
3332 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3333 else { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3334 plural = co->co_argcount != 1; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3335 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
|
3336 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3337 if (sig == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3338 return; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3339 if (kwonly_given) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3340 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
|
3341 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
|
3342 kwonly_given != 1 ? "s" : ""); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3343 if (kwonly_sig == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3344 Py_DECREF(sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3345 return; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3346 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3347 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3348 else { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3349 /* This will not fail. */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3350 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
|
3351 assert(kwonly_sig != NULL); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3352 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3353 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3354 "%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
|
3355 co->co_name, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3356 sig, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3357 plural ? "s" : "", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3358 given, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3359 kwonly_sig, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3360 given == 1 && !kwonly_given ? "was" : "were"); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3361 Py_DECREF(sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3362 Py_DECREF(kwonly_sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3363 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3364 |
|
36695
b6d2f6fd3e11
PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents:
36580
diff
changeset
|
3365 /* 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
|
3366 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
|
3367 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
|
3368 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18611
diff
changeset
|
3369 PyObject * |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
diff
changeset
|
3370 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
|
3371 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
|
3372 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
|
3373 { |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
diff
changeset
|
3374 PyCodeObject* co = (PyCodeObject*)_co; |
|
85157
e7f6cef7a4cc
Issue #18722: Remove uses of the "register" keyword in C code.
Antoine Pitrou <solipsis@pitrou.net>
parents:
85046
diff
changeset
|
3375 PyFrameObject *f; |
|
e7f6cef7a4cc
Issue #18722: Remove uses of the "register" keyword in C code.
Antoine Pitrou <solipsis@pitrou.net>
parents:
85046
diff
changeset
|
3376 PyObject *retval = NULL; |
|
e7f6cef7a4cc
Issue #18722: Remove uses of the "register" keyword in C code.
Antoine Pitrou <solipsis@pitrou.net>
parents:
85046
diff
changeset
|
3377 PyObject **fastlocals, **freevars; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3378 PyThreadState *tstate = PyThreadState_GET(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3379 PyObject *x, *u; |
|
61466
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
61186
diff
changeset
|
3380 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
|
3381 int i; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3382 int n = argcount; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3383 PyObject *kwdict = NULL; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3384 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3385 if (globals == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3386 PyErr_SetString(PyExc_SystemError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3387 "PyEval_EvalCodeEx: NULL globals"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3388 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3389 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3390 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3391 assert(tstate != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3392 assert(globals != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3393 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
|
3394 if (f == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3395 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3396 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3397 fastlocals = f->f_localsplus; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3398 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
|
3399 |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3400 /* Parse arguments. */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3401 if (co->co_flags & CO_VARKEYWORDS) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3402 kwdict = PyDict_New(); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3403 if (kwdict == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3404 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3405 i = total_args; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3406 if (co->co_flags & CO_VARARGS) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3407 i++; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3408 SETLOCAL(i, kwdict); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3409 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3410 if (argcount > co->co_argcount) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3411 n = co->co_argcount; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3412 for (i = 0; i < n; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3413 x = args[i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3414 Py_INCREF(x); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3415 SETLOCAL(i, x); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3416 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3417 if (co->co_flags & CO_VARARGS) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3418 u = PyTuple_New(argcount - n); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3419 if (u == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3420 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3421 SETLOCAL(total_args, u); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3422 for (i = n; i < argcount; i++) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3423 x = args[i]; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3424 Py_INCREF(x); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3425 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
|
3426 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3427 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3428 for (i = 0; i < kwcount; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3429 PyObject **co_varnames; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3430 PyObject *keyword = kws[2*i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3431 PyObject *value = kws[2*i + 1]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3432 int j; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3433 if (keyword == NULL || !PyUnicode_Check(keyword)) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3434 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3435 "%U() keywords must be strings", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3436 co->co_name); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3437 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3438 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3439 /* 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
|
3440 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
|
3441 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
|
3442 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
|
3443 PyObject *nm = co_varnames[j]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3444 if (nm == keyword) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3445 goto kw_found; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3446 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3447 /* Slow fallback, just in case */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3448 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
|
3449 PyObject *nm = co_varnames[j]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3450 int cmp = PyObject_RichCompareBool( |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3451 keyword, nm, Py_EQ); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3452 if (cmp > 0) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3453 goto kw_found; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3454 else if (cmp < 0) |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3455 goto fail; |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3456 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3457 if (j >= total_args && kwdict == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3458 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3459 "%U() got an unexpected " |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3460 "keyword argument '%S'", |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3461 co->co_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3462 keyword); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3463 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3464 } |
|
84726
13d5b245ca14
Add missing check of PyDict_SetItem()'s return value in PyEval_EvalCodeEx()
Christian Heimes <christian@cheimes.de>
parents:
83772
diff
changeset
|
3465 if (PyDict_SetItem(kwdict, keyword, value) == -1) { |
|
13d5b245ca14
Add missing check of PyDict_SetItem()'s return value in PyEval_EvalCodeEx()
Christian Heimes <christian@cheimes.de>
parents:
83772
diff
changeset
|
3466 goto fail; |
|
13d5b245ca14
Add missing check of PyDict_SetItem()'s return value in PyEval_EvalCodeEx()
Christian Heimes <christian@cheimes.de>
parents:
83772
diff
changeset
|
3467 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3468 continue; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3469 kw_found: |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3470 if (GETLOCAL(j) != NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3471 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3472 "%U() got multiple " |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3473 "values for argument '%S'", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3474 co->co_name, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3475 keyword); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3476 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3477 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3478 Py_INCREF(value); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3479 SETLOCAL(j, value); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3480 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3481 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
|
3482 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
|
3483 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3484 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3485 if (argcount < co->co_argcount) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3486 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
|
3487 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
|
3488 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
|
3489 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
|
3490 missing++; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3491 if (missing) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3492 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
|
3493 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3494 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3495 if (n > m) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3496 i = n - m; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3497 else |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3498 i = 0; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3499 for (; i < defcount; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3500 if (GETLOCAL(m+i) == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3501 PyObject *def = defs[i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3502 Py_INCREF(def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3503 SETLOCAL(m+i, def); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3504 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3505 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3506 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3507 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
|
3508 int missing = 0; |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3509 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
|
3510 PyObject *name; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3511 if (GETLOCAL(i) != NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3512 continue; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3513 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
|
3514 if (kwdefs != NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3515 PyObject *def = PyDict_GetItem(kwdefs, name); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3516 if (def) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3517 Py_INCREF(def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3518 SETLOCAL(i, def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3519 continue; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3520 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3521 } |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3522 missing++; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3523 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3524 if (missing) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3525 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
|
3526 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3527 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3528 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3529 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3530 /* 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
|
3531 vars into frame. */ |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3532 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
|
3533 PyObject *c; |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3534 int arg; |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
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70940
diff
changeset
|
3535 /* 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
|
3536 if (co->co_cell2arg != NULL && |
|
83772
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83455
diff
changeset
|
3537 (arg = co->co_cell2arg[i]) != CO_CELL_NOT_AN_ARG) { |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3538 c = PyCell_New(GETLOCAL(arg)); |
|
83772
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83455
diff
changeset
|
3539 /* Clear the local copy. */ |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83455
diff
changeset
|
3540 SETLOCAL(arg, NULL); |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83455
diff
changeset
|
3541 } |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83455
diff
changeset
|
3542 else { |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3543 c = PyCell_New(NULL); |
|
83772
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83455
diff
changeset
|
3544 } |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3545 if (c == NULL) |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
changeset
|
3546 goto fail; |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3547 SETLOCAL(co->co_nlocals + i, c); |
|
61467
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|
3548 } |
|
70987
c5b0585624ef
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Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3549 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
|
3550 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
|
3551 Py_INCREF(o); |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3552 freevars[PyTuple_GET_SIZE(co->co_cellvars) + i] = o; |
|
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|
3553 } |
|
f197407bdba2
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|
3554 |
|
f197407bdba2
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|
3555 if (co->co_flags & CO_GENERATOR) { |
|
f197407bdba2
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changeset
|
3556 /* Don't need to keep the reference to f_back, it will be set |
|
f197407bdba2
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|
3557 * when the generator is resumed. */ |
|
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|
3558 Py_XDECREF(f->f_back); |
|
f197407bdba2
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|
3559 f->f_back = NULL; |
|
f197407bdba2
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|
3560 |
|
f197407bdba2
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|
3561 PCALL(PCALL_GENERATOR); |
|
f197407bdba2
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|
3562 |
|
f197407bdba2
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|
3563 /* Create a new generator that owns the ready to run frame |
|
f197407bdba2
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|
3564 * and return that as the value. */ |
|
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|
3565 return PyGen_New(f); |
|
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|
3566 } |
|
f197407bdba2
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|
3567 |
|
f197407bdba2
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changeset
|
3568 retval = PyEval_EvalFrameEx(f,0); |
|
43410
b06b191b7cfa
Merged revisions 58203-58210 via svnmerge from
Thomas Wouters <thomas@python.org>
parents:
43188
diff
changeset
|
3569 |
|
b06b191b7cfa
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Thomas Wouters <thomas@python.org>
parents:
43188
diff
changeset
|
3570 fail: /* Jump here from prelude on failure */ |
|
18148
7bc473b2c654
Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents:
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diff
changeset
|
3571 |
|
61467
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|
3572 /* decref'ing the frame can cause __del__ methods to get invoked, |
|
f197407bdba2
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|
3573 which can call back into Python. While we're done with the |
|
f197407bdba2
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|
3574 current Python frame (f), the associated C stack is still in use, |
|
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|
3575 so recursion_depth must be boosted for the duration. |
|
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|
3576 */ |
|
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|
3577 assert(tstate != NULL); |
|
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|
3578 ++tstate->recursion_depth; |
|
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|
3579 Py_DECREF(f); |
|
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|
3580 --tstate->recursion_depth; |
|
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|
3581 return retval; |
|
18148
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Tim Peters <tim.peters@gmail.com>
parents:
18136
diff
changeset
|
3582 } |
|
7bc473b2c654
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Tim Peters <tim.peters@gmail.com>
parents:
18136
diff
changeset
|
3583 |
|
7bc473b2c654
Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents:
18136
diff
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|
3584 |
|
54889
3aaf2e065db0
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|
3585 static PyObject * |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
parents:
74367
diff
changeset
|
3586 special_lookup(PyObject *o, _Py_Identifier *id) |
|
54889
3aaf2e065db0
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|
3587 { |
|
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|
3588 PyObject *res; |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
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diff
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|
3589 res = _PyObject_LookupSpecial(o, id); |
|
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|
3590 if (res == NULL && !PyErr_Occurred()) { |
|
74578
7d96679c5d46
use the static identifier api for looking up special methods
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|
3591 PyErr_SetObject(PyExc_AttributeError, id->object); |
|
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|
3592 return NULL; |
|
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|
3593 } |
|
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|
3594 return res; |
|
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Benjamin Peterson <benjamin@python.org>
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|
3595 } |
|
3aaf2e065db0
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|
3596 |
|
3aaf2e065db0
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changeset
|
3597 |
|
71159
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
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diff
changeset
|
3598 /* These 3 functions deal with the exception state of generators. */ |
|
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
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diff
changeset
|
3599 |
|
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
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diff
changeset
|
3600 static void |
|
95784a617d05
convert generator exc state functions into static functions
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diff
changeset
|
3601 save_exc_state(PyThreadState *tstate, PyFrameObject *f) |
|
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
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diff
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|
3602 { |
|
95784a617d05
convert generator exc state functions into static functions
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|
3603 PyObject *type, *value, *traceback; |
|
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convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
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diff
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|
3604 Py_XINCREF(tstate->exc_type); |
|
95784a617d05
convert generator exc state functions into static functions
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diff
changeset
|
3605 Py_XINCREF(tstate->exc_value); |
|
95784a617d05
convert generator exc state functions into static functions
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diff
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|
3606 Py_XINCREF(tstate->exc_traceback); |
|
95784a617d05
convert generator exc state functions into static functions
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diff
changeset
|
3607 type = f->f_exc_type; |
|
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convert generator exc state functions into static functions
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diff
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|
3608 value = f->f_exc_value; |
|
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convert generator exc state functions into static functions
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diff
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|
3609 traceback = f->f_exc_traceback; |
|
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diff
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|
3610 f->f_exc_type = tstate->exc_type; |
|
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|
3611 f->f_exc_value = tstate->exc_value; |
|
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diff
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|
3612 f->f_exc_traceback = tstate->exc_traceback; |
|
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|
3613 Py_XDECREF(type); |
|
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diff
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|
3614 Py_XDECREF(value); |
|
72605
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
3615 Py_XDECREF(traceback); |
|
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|
3616 } |
|
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|
3617 |
|
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|
3618 static void |
|
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|
3619 swap_exc_state(PyThreadState *tstate, PyFrameObject *f) |
|
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|
3620 { |
|
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|
3621 PyObject *tmp; |
|
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|
3622 tmp = tstate->exc_type; |
|
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|
3623 tstate->exc_type = f->f_exc_type; |
|
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|
3624 f->f_exc_type = tmp; |
|
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|
3625 tmp = tstate->exc_value; |
|
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|
3626 tstate->exc_value = f->f_exc_value; |
|
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|
3627 f->f_exc_value = tmp; |
|
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|
3628 tmp = tstate->exc_traceback; |
|
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|
3629 tstate->exc_traceback = f->f_exc_traceback; |
|
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|
3630 f->f_exc_traceback = tmp; |
|
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|
3631 } |
|
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|
3632 |
|
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|
3633 static void |
|
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|
3634 restore_and_clear_exc_state(PyThreadState *tstate, PyFrameObject *f) |
|
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|
3635 { |
|
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|
3636 PyObject *type, *value, *tb; |
|
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|
3637 type = tstate->exc_type; |
|
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|
3638 value = tstate->exc_value; |
|
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|
3639 tb = tstate->exc_traceback; |
|
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|
3640 tstate->exc_type = f->f_exc_type; |
|
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|
3641 tstate->exc_value = f->f_exc_value; |
|
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|
3642 tstate->exc_traceback = f->f_exc_traceback; |
|
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|
3643 f->f_exc_type = NULL; |
|
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|
3644 f->f_exc_value = NULL; |
|
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|
3645 f->f_exc_traceback = NULL; |
|
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|
3646 Py_XDECREF(type); |
|
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|
3647 Py_XDECREF(value); |
|
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
parents:
71158
diff
changeset
|
3648 Py_XDECREF(tb); |
|
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
parents:
71158
diff
changeset
|
3649 } |
|
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
parents:
71158
diff
changeset
|
3650 |
|
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
parents:
71158
diff
changeset
|
3651 |
|
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
|
3652 /* Logic for the raise statement (too complicated for inlining). |
|
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
|
3653 This *consumes* a reference count to each of its arguments. */ |
| 79693 | 3654 static int |
|
43102
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3655 do_raise(PyObject *exc, PyObject *cause) |
|
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
|
3656 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3657 PyObject *type = NULL, *value = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3658 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3659 if (exc == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3660 /* Reraise */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3661 PyThreadState *tstate = PyThreadState_GET(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3662 PyObject *tb; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3663 type = tstate->exc_type; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3664 value = tstate->exc_value; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3665 tb = tstate->exc_traceback; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3666 if (type == Py_None) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3667 PyErr_SetString(PyExc_RuntimeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3668 "No active exception to reraise"); |
| 79693 | 3669 return 0; |
| 3670 } | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3671 Py_XINCREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3672 Py_XINCREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3673 Py_XINCREF(tb); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3674 PyErr_Restore(type, value, tb); |
| 79693 | 3675 return 1; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3676 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3677 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3678 /* We support the following forms of raise: |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3679 raise |
|
43102
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3680 raise <instance> |
|
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3681 raise <type> */ |
|
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3682 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3683 if (PyExceptionClass_Check(exc)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3684 type = exc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3685 value = PyObject_CallObject(exc, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3686 if (value == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3687 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
|
3688 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
|
3689 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
|
3690 "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
|
3691 "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
|
3692 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
|
3693 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
|
3694 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3695 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3696 else if (PyExceptionInstance_Check(exc)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3697 value = exc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3698 type = PyExceptionInstance_Class(exc); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
3699 Py_INCREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3700 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3701 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3702 /* Not something you can raise. You get an exception |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3703 anyway, just not what you specified :-) */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3704 Py_DECREF(exc); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
3705 PyErr_SetString(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3706 "exceptions must derive from BaseException"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3707 goto raise_error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3708 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3709 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3710 if (cause) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3711 PyObject *fixed_cause; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3712 if (PyExceptionClass_Check(cause)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3713 fixed_cause = PyObject_CallObject(cause, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3714 if (fixed_cause == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3715 goto raise_error; |
|
76942
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3716 Py_DECREF(cause); |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3717 } |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3718 else if (PyExceptionInstance_Check(cause)) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3719 fixed_cause = cause; |
|
76942
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3720 } |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3721 else if (cause == Py_None) { |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3722 Py_DECREF(cause); |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3723 fixed_cause = NULL; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3724 } |
|
76942
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3725 else { |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3726 PyErr_SetString(PyExc_TypeError, |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3727 "exception causes must derive from " |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3728 "BaseException"); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3729 goto raise_error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3730 } |
|
76942
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3731 PyException_SetCause(value, fixed_cause); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3732 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3733 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3734 PyErr_SetObject(type, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3735 /* PyErr_SetObject incref's its arguments */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3736 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3737 Py_XDECREF(type); |
| 79693 | 3738 return 0; |
|
43102
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3739 |
|
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3740 raise_error: |
|
61467
f197407bdba2
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diff
changeset
|
3741 Py_XDECREF(value); |
|
f197407bdba2
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changeset
|
3742 Py_XDECREF(type); |
|
f197407bdba2
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changeset
|
3743 Py_XDECREF(cause); |
| 79693 | 3744 return 0; |
|
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
|
3745 } |
|
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
|
3746 |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3747 /* Iterate v argcnt times and store the results on the stack (via decreasing |
|
41699
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
3748 sp). Return 1 for success, 0 if error. |
|
48574
d3d586019aff
Merged revisions 65240-65242 via svnmerge from
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parents:
48516
diff
changeset
|
3749 |
|
41699
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3750 If argcntafter == -1, do a simple unpack. If it is >= 0, do an unpack |
|
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
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parents:
41558
diff
changeset
|
3751 with a variable target. |
|
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3752 */ |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3753 |
|
6157
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3754 static int |
|
41699
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
3755 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
|
3756 { |
|
61467
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changeset
|
3757 int i = 0, j = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3758 Py_ssize_t ll = 0; |
|
f197407bdba2
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changeset
|
3759 PyObject *it; /* iter(v) */ |
|
f197407bdba2
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changeset
|
3760 PyObject *w; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3761 PyObject *l = NULL; /* variable list */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3762 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3763 assert(v != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3764 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3765 it = PyObject_GetIter(v); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3766 if (it == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3767 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3768 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3769 for (; i < argcnt; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3770 w = PyIter_Next(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3771 if (w == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3772 /* Iterator done, via error or exhaustion. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3773 if (!PyErr_Occurred()) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3774 PyErr_Format(PyExc_ValueError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3775 "need more than %d value%s to unpack", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3776 i, i == 1 ? "" : "s"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3777 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3778 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3779 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3780 *--sp = w; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3781 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3782 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3783 if (argcntafter == -1) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3784 /* 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
|
3785 w = PyIter_Next(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3786 if (w == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3787 if (PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3788 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3789 Py_DECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3790 return 1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3791 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3792 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
|
3793 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
|
3794 "(expected %d)", argcnt); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3795 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3796 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3797 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3798 l = PySequence_List(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3799 if (l == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3800 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3801 *--sp = l; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3802 i++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3803 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3804 ll = PyList_GET_SIZE(l); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3805 if (ll < argcntafter) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3806 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
|
3807 argcnt + ll); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3808 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3809 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3810 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3811 /* 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
|
3812 for (j = argcntafter; j > 0; j--, i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3813 *--sp = PyList_GET_ITEM(l, ll - j); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
3814 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3815 /* Resize the list. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3816 Py_SIZE(l) = ll - argcntafter; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3817 Py_DECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
3818 return 1; |
|
41699
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3819 |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3820 Error: |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3821 for (; i > 0; i--, sp++) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3822 Py_DECREF(*sp); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3823 Py_XDECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3824 return 0; |
|
6157
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3825 } |
|
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3826 |
|
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3827 |
| 567 | 3828 #ifdef LLTRACE |
| 86 | 3829 static int |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
3830 prtrace(PyObject *v, char *str) |
| 69 | 3831 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3832 printf("%s ", str); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3833 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
|
3834 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
|
3835 printf("\n"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3836 return 1; |
| 69 | 3837 } |
| 86 | 3838 #endif |
| 69 | 3839 |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3840 static void |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
18293
diff
changeset
|
3841 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
|
3842 { |
|
84529
4f730c045f5f
Issue #18408: Fix call_exc_trace(): if the traceback is NULL, use None when
Victor Stinner <vstinner@wyplay.com>
parents:
84513
diff
changeset
|
3843 PyObject *type, *value, *traceback, *orig_traceback, *arg; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3844 int err; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3845 PyErr_Fetch(&type, &value, &traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3846 if (value == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3847 value = Py_None; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3848 Py_INCREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3849 } |
|
83455
d18df4c90515
#17413: make sure settrace funcs get passed exception instances for 'value'.
R David Murray <rdmurray@bitdance.com>
parents:
78458
diff
changeset
|
3850 PyErr_NormalizeException(&type, &value, &traceback); |
|
84529
4f730c045f5f
Issue #18408: Fix call_exc_trace(): if the traceback is NULL, use None when
Victor Stinner <vstinner@wyplay.com>
parents:
84513
diff
changeset
|
3851 orig_traceback = traceback; |
|
4f730c045f5f
Issue #18408: Fix call_exc_trace(): if the traceback is NULL, use None when
Victor Stinner <vstinner@wyplay.com>
parents:
84513
diff
changeset
|
3852 if (traceback == NULL) { |
|
4f730c045f5f
Issue #18408: Fix call_exc_trace(): if the traceback is NULL, use None when
Victor Stinner <vstinner@wyplay.com>
parents:
84513
diff
changeset
|
3853 Py_INCREF(Py_None); |
|
4f730c045f5f
Issue #18408: Fix call_exc_trace(): if the traceback is NULL, use None when
Victor Stinner <vstinner@wyplay.com>
parents:
84513
diff
changeset
|
3854 traceback = Py_None; |
|
4f730c045f5f
Issue #18408: Fix call_exc_trace(): if the traceback is NULL, use None when
Victor Stinner <vstinner@wyplay.com>
parents:
84513
diff
changeset
|
3855 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3856 arg = PyTuple_Pack(3, type, value, traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3857 if (arg == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3858 PyErr_Restore(type, value, traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3859 return; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3860 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3861 err = call_trace(func, self, f, PyTrace_EXCEPTION, arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3862 Py_DECREF(arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3863 if (err == 0) |
|
84529
4f730c045f5f
Issue #18408: Fix call_exc_trace(): if the traceback is NULL, use None when
Victor Stinner <vstinner@wyplay.com>
parents:
84513
diff
changeset
|
3864 PyErr_Restore(type, value, orig_traceback); |
|
61467
f197407bdba2
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parents:
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diff
changeset
|
3865 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3866 Py_XDECREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3867 Py_XDECREF(value); |
|
84529
4f730c045f5f
Issue #18408: Fix call_exc_trace(): if the traceback is NULL, use None when
Victor Stinner <vstinner@wyplay.com>
parents:
84513
diff
changeset
|
3868 Py_XDECREF(orig_traceback); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3869 } |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3870 } |
|
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3871 |
|
43840
73c8e27eb9ce
Correction for issue1265 (pdb bug with "with" statement).
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
43815
diff
changeset
|
3872 static int |
|
20257
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3873 call_trace_protected(Py_tracefunc func, PyObject *obj, PyFrameObject *frame, |
|
61467
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|
3874 int what, PyObject *arg) |
|
20257
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
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|
3875 { |
|
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|
3876 PyObject *type, *value, *traceback; |
|
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|
3877 int err; |
|
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|
3878 PyErr_Fetch(&type, &value, &traceback); |
|
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|
3879 err = call_trace(func, obj, frame, what, arg); |
|
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|
3880 if (err == 0) |
|
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|
3881 { |
|
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|
3882 PyErr_Restore(type, value, traceback); |
|
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|
3883 return 0; |
|
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|
3884 } |
|
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|
3885 else { |
|
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|
3886 Py_XDECREF(type); |
|
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|
3887 Py_XDECREF(value); |
|
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|
3888 Py_XDECREF(traceback); |
|
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|
3889 return -1; |
|
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|
3890 } |
|
20257
e3f63a95455f
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Fred Drake <fdrake@acm.org>
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|
3891 } |
|
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
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|
3892 |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
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|
3893 static int |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
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|
3894 call_trace(Py_tracefunc func, PyObject *obj, PyFrameObject *frame, |
|
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|
3895 int what, PyObject *arg) |
| 567 | 3896 { |
|
85157
e7f6cef7a4cc
Issue #18722: Remove uses of the "register" keyword in C code.
Antoine Pitrou <solipsis@pitrou.net>
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|
3897 PyThreadState *tstate = frame->f_tstate; |
|
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3898 int result; |
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3899 if (tstate->tracing) |
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3900 return 0; |
|
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|
3901 tstate->tracing++; |
|
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3902 tstate->use_tracing = 0; |
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3903 result = func(obj, frame, what, arg); |
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3904 tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
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3905 || (tstate->c_profilefunc != NULL)); |
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3906 tstate->tracing--; |
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|
3907 return result; |
| 567 | 3908 } |
| 3909 | |
|
28556
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
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|
3910 PyObject * |
|
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
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|
3911 _PyEval_CallTracing(PyObject *func, PyObject *args) |
|
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
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|
3912 { |
|
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3913 PyFrameObject *frame = PyEval_GetFrame(); |
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3914 PyThreadState *tstate = frame->f_tstate; |
|
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3915 int save_tracing = tstate->tracing; |
|
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3916 int save_use_tracing = tstate->use_tracing; |
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3917 PyObject *result; |
|
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3918 |
|
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3919 tstate->tracing = 0; |
|
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3920 tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
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3921 || (tstate->c_profilefunc != NULL)); |
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3922 result = PyObject_Call(func, args, NULL); |
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3923 tstate->tracing = save_tracing; |
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|
3924 tstate->use_tracing = save_use_tracing; |
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|
3925 return result; |
|
28556
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- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents:
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|
3926 } |
|
78395e5b4782
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Guido van Rossum <guido@python.org>
parents:
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|
3927 |
|
55372
79718ee03986
Merged revisions 72487-72488,72879 via svnmerge from
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|
3928 /* 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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|
3929 static int |
|
31872
9f5fe6b23e59
Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
parents:
31797
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|
3930 maybe_call_line_trace(Py_tracefunc func, PyObject *obj, |
|
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3931 PyFrameObject *frame, int *instr_lb, int *instr_ub, |
|
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3932 int *instr_prev) |
| 24844 | 3933 { |
|
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|
3934 int result = 0; |
|
61466
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3935 int line = frame->f_lineno; |
|
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3936 |
|
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3937 /* If the last instruction executed isn't in the current |
|
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3938 instruction window, reset the window. |
|
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3939 */ |
|
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3940 if (frame->f_lasti < *instr_lb || frame->f_lasti >= *instr_ub) { |
|
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|
3941 PyAddrPair bounds; |
|
61466
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3942 line = _PyCode_CheckLineNumber(frame->f_code, frame->f_lasti, |
|
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|
3943 &bounds); |
|
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3944 *instr_lb = bounds.ap_lower; |
|
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3945 *instr_ub = bounds.ap_upper; |
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3946 } |
|
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3947 /* If the last instruction falls at the start of a line or if |
|
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3948 it represents a jump backwards, update the frame's line |
|
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3949 number and call the trace function. */ |
|
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3950 if (frame->f_lasti == *instr_lb || frame->f_lasti < *instr_prev) { |
|
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3951 frame->f_lineno = line; |
|
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3952 result = call_trace(func, obj, frame, PyTrace_LINE, Py_None); |
|
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|
3953 } |
|
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3954 *instr_prev = frame->f_lasti; |
|
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|
3955 return result; |
| 24844 | 3956 } |
| 3957 | |
|
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Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
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|
3958 void |
|
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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|
3959 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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|
3960 { |
|
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|
3961 PyThreadState *tstate = PyThreadState_GET(); |
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|
3962 PyObject *temp = tstate->c_profileobj; |
|
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|
3963 Py_XINCREF(arg); |
|
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3964 tstate->c_profilefunc = NULL; |
|
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3965 tstate->c_profileobj = NULL; |
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|
3966 /* Must make sure that tracing is not ignored if 'temp' is freed */ |
|
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3967 tstate->use_tracing = tstate->c_tracefunc != NULL; |
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|
3968 Py_XDECREF(temp); |
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3969 tstate->c_profilefunc = func; |
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3970 tstate->c_profileobj = arg; |
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3971 /* Flag that tracing or profiling is turned on */ |
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|
3972 tstate->use_tracing = (func != NULL) || (tstate->c_tracefunc != NULL); |
|
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3973 } |
|
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|
3974 |
|
e427afb5637f
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|
3975 void |
|
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|
3976 PyEval_SetTrace(Py_tracefunc func, PyObject *arg) |
|
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|
3977 { |
|
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3978 PyThreadState *tstate = PyThreadState_GET(); |
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3979 PyObject *temp = tstate->c_traceobj; |
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3980 _Py_TracingPossible += (func != NULL) - (tstate->c_tracefunc != NULL); |
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3981 Py_XINCREF(arg); |
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3982 tstate->c_tracefunc = NULL; |
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3983 tstate->c_traceobj = NULL; |
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3984 /* Must make sure that profiling is not ignored if 'temp' is freed */ |
|
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|
3985 tstate->use_tracing = tstate->c_profilefunc != NULL; |
|
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|
3986 Py_XDECREF(temp); |
|
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3987 tstate->c_tracefunc = func; |
|
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|
3988 tstate->c_traceobj = arg; |
|
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|
3989 /* Flag that tracing or profiling is turned on */ |
|
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|
3990 tstate->use_tracing = ((func != NULL) |
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|
3991 || (tstate->c_profilefunc != NULL)); |
|
18136
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|
3992 } |
|
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|
3993 |
| 5368 | 3994 PyObject * |
|
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|
3995 PyEval_GetBuiltins(void) |
|
2098
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|
3996 { |
|
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|
3997 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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3998 if (current_frame == NULL) |
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3999 return PyThreadState_GET()->interp->builtins; |
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4000 else |
|
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|
4001 return current_frame->f_builtins; |
|
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|
4002 } |
|
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|
4003 |
| 5368 | 4004 PyObject * |
|
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|
4005 PyEval_GetLocals(void) |
|
1263
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* Fixed some subtleties with fastlocals. You can no longer access
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4006 { |
|
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4007 PyFrameObject *current_frame = PyEval_GetFrame(); |
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4008 if (current_frame == NULL) |
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4009 return NULL; |
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4010 PyFrame_FastToLocals(current_frame); |
|
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4011 return current_frame->f_locals; |
|
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|
4012 } |
|
65a1e4e9cd54
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4013 |
| 5368 | 4014 PyObject * |
|
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4015 PyEval_GetGlobals(void) |
| 69 | 4016 { |
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4017 PyFrameObject *current_frame = PyEval_GetFrame(); |
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4018 if (current_frame == NULL) |
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4019 return NULL; |
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4020 else |
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4021 return current_frame->f_globals; |
| 69 | 4022 } |
| 4023 | |
|
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4024 PyFrameObject * |
|
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4025 PyEval_GetFrame(void) |
|
1846
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4026 { |
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4027 PyThreadState *tstate = PyThreadState_GET(); |
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4028 return _PyThreadState_GetFrame(tstate); |
|
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4029 } |
|
5243fb187d36
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4030 |
|
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|
4031 int |
|
18611
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Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
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|
4032 PyEval_MergeCompilerFlags(PyCompilerFlags *cf) |
|
17124
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|
4033 { |
|
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4034 PyFrameObject *current_frame = PyEval_GetFrame(); |
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4035 int result = cf->cf_flags != 0; |
|
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4036 |
|
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4037 if (current_frame != NULL) { |
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4038 const int codeflags = current_frame->f_code->co_flags; |
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4039 const int compilerflags = codeflags & PyCF_MASK; |
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4040 if (compilerflags) { |
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4041 result = 1; |
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4042 cf->cf_flags |= compilerflags; |
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4043 } |
|
22468
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4044 #if 0 /* future keyword */ |
|
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4045 if (codeflags & CO_GENERATOR_ALLOWED) { |
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4046 result = 1; |
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4047 cf->cf_flags |= CO_GENERATOR_ALLOWED; |
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4048 } |
|
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4049 #endif |
|
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4050 } |
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4051 return result; |
|
17124
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|
4052 } |
|
a8301d4ed2b1
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|
4053 |
| 86 | 4054 |
|
2844
0261bf5b3819
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4055 /* External interface to call any callable object. |
|
60130
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4056 The arg must be a tuple or NULL. The kw must be a dict or NULL. */ |
|
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|
4057 |
| 5368 | 4058 PyObject * |
|
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|
4059 PyEval_CallObjectWithKeywords(PyObject *func, PyObject *arg, PyObject *kw) |
|
2844
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4060 { |
|
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4061 PyObject *result; |
|
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4062 |
|
84704
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|
4063 #ifdef Py_DEBUG |
|
48a869a39e2d
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|
4064 /* PyEval_CallObjectWithKeywords() must not be called with an exception |
|
48a869a39e2d
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|
4065 set, because it may clear it (directly or indirectly) |
|
48a869a39e2d
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|
4066 and so the caller looses its exception */ |
|
48a869a39e2d
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|
4067 assert(!PyErr_Occurred()); |
|
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|
4068 #endif |
|
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|
4069 |
|
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4070 if (arg == NULL) { |
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4071 arg = PyTuple_New(0); |
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4072 if (arg == NULL) |
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|
4073 return NULL; |
|
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4074 } |
|
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4075 else if (!PyTuple_Check(arg)) { |
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4076 PyErr_SetString(PyExc_TypeError, |
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|
4077 "argument list must be a tuple"); |
|
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|
4078 return NULL; |
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4079 } |
|
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4080 else |
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|
4081 Py_INCREF(arg); |
|
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4082 |
|
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4083 if (kw != NULL && !PyDict_Check(kw)) { |
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4084 PyErr_SetString(PyExc_TypeError, |
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4085 "keyword list must be a dictionary"); |
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|
4086 Py_DECREF(arg); |
|
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4087 return NULL; |
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4088 } |
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4089 |
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4090 result = PyObject_Call(func, arg, kw); |
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|
4091 Py_DECREF(arg); |
|
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|
4092 |
|
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|
4093 assert((result != NULL && !PyErr_Occurred()) |
|
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|
4094 || (result == NULL && PyErr_Occurred())); |
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4095 return result; |
|
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4096 } |
|
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|
4097 |
|
35999
9541369b0dca
Add const to several API functions that take char *.
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|
4098 const char * |
|
18933
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|
4099 PyEval_GetFuncName(PyObject *func) |
|
17406
c9e07bc303a2
Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
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|
4100 { |
|
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|
4101 if (PyMethod_Check(func)) |
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4102 return PyEval_GetFuncName(PyMethod_GET_FUNCTION(func)); |
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4103 else if (PyFunction_Check(func)) |
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4104 return _PyUnicode_AsString(((PyFunctionObject*)func)->func_name); |
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4105 else if (PyCFunction_Check(func)) |
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4106 return ((PyCFunctionObject*)func)->m_ml->ml_name; |
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4107 else |
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4108 return func->ob_type->tp_name; |
|
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4109 } |
|
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|
4110 |
|
35999
9541369b0dca
Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
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|
4111 const char * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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|
4112 PyEval_GetFuncDesc(PyObject *func) |
|
17406
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|
4113 { |
|
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4114 if (PyMethod_Check(func)) |
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4115 return "()"; |
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4116 else if (PyFunction_Check(func)) |
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4117 return "()"; |
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4118 else if (PyCFunction_Check(func)) |
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4119 return "()"; |
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4120 else |
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4121 return " object"; |
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4122 } |
|
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Jeremy Hylton <jeremy@alum.mit.edu>
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4123 |
|
26141
6ce9228a3da2
Make private functions static so we don't pollute the namespace
Neal Norwitz <nnorwitz@gmail.com>
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4124 static void |
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24870
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4125 err_args(PyObject *func, int flags, int nargs) |
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4126 { |
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4127 if (flags & METH_NOARGS) |
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4128 PyErr_Format(PyExc_TypeError, |
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4129 "%.200s() takes no arguments (%d given)", |
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4130 ((PyCFunctionObject *)func)->m_ml->ml_name, |
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4131 nargs); |
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4132 else |
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4133 PyErr_Format(PyExc_TypeError, |
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4134 "%.200s() takes exactly one argument (%d given)", |
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4135 ((PyCFunctionObject *)func)->m_ml->ml_name, |
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4136 nargs); |
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4137 } |
|
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4138 |
|
35609
23dda92de993
clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
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|
4139 #define C_TRACE(x, call) \ |
|
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Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
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4140 if (tstate->use_tracing && tstate->c_profilefunc) { \ |
|
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4141 if (call_trace(tstate->c_profilefunc, \ |
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4142 tstate->c_profileobj, \ |
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4143 tstate->frame, PyTrace_C_CALL, \ |
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4144 func)) { \ |
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4145 x = NULL; \ |
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4146 } \ |
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4147 else { \ |
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4148 x = call; \ |
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4149 if (tstate->c_profilefunc != NULL) { \ |
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4150 if (x == NULL) { \ |
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4151 call_trace_protected(tstate->c_profilefunc, \ |
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4152 tstate->c_profileobj, \ |
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4153 tstate->frame, PyTrace_C_EXCEPTION, \ |
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4154 func); \ |
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4155 /* XXX should pass (type, value, tb) */ \ |
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4156 } else { \ |
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4157 if (call_trace(tstate->c_profilefunc, \ |
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4158 tstate->c_profileobj, \ |
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4159 tstate->frame, PyTrace_C_RETURN, \ |
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4160 func)) { \ |
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|
4161 Py_DECREF(x); \ |
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4162 x = NULL; \ |
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4163 } \ |
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4164 } \ |
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4165 } \ |
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4166 } \ |
|
32409
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Nicholas Bastin <nick.bastin@gmail.com>
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4167 } else { \ |
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4168 x = call; \ |
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4169 } |
|
31796
1c117dbb2def
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Nicholas Bastin <nick.bastin@gmail.com>
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4170 |
|
24868
2306001f6eaa
Move body of CALL_FUNCTION opcode into helper function.
Jeremy Hylton <jeremy@alum.mit.edu>
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|
4171 static PyObject * |
|
32301
41c59d80bbc5
Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
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|
4172 call_function(PyObject ***pp_stack, int oparg |
|
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4173 #ifdef WITH_TSC |
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4174 , uint64* pintr0, uint64* pintr1 |
|
32301
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4175 #endif |
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4176 ) |
|
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4177 { |
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4178 int na = oparg & 0xff; |
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4179 int nk = (oparg>>8) & 0xff; |
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4180 int n = na + 2 * nk; |
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4181 PyObject **pfunc = (*pp_stack) - n - 1; |
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4182 PyObject *func = *pfunc; |
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4183 PyObject *x, *w; |
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4184 |
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4185 /* Always dispatch PyCFunction first, because these are |
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4186 presumed to be the most frequent callable object. |
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4187 */ |
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4188 if (PyCFunction_Check(func) && nk == 0) { |
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4189 int flags = PyCFunction_GET_FLAGS(func); |
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4190 PyThreadState *tstate = PyThreadState_GET(); |
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4191 |
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4192 PCALL(PCALL_CFUNCTION); |
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4193 if (flags & (METH_NOARGS | METH_O)) { |
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4194 PyCFunction meth = PyCFunction_GET_FUNCTION(func); |
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4195 PyObject *self = PyCFunction_GET_SELF(func); |
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4196 if (flags & METH_NOARGS && na == 0) { |
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4197 C_TRACE(x, (*meth)(self,NULL)); |
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4198 } |
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4199 else if (flags & METH_O && na == 1) { |
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4200 PyObject *arg = EXT_POP(*pp_stack); |
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4201 C_TRACE(x, (*meth)(self,arg)); |
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4202 Py_DECREF(arg); |
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4203 } |
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4204 else { |
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4205 err_args(func, flags, na); |
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|
4206 x = NULL; |
|
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4207 } |
|
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4208 } |
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4209 else { |
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|
4210 PyObject *callargs; |
|
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|
4211 callargs = load_args(pp_stack, na); |
|
84513
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|
4212 if (callargs != NULL) { |
|
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|
4213 READ_TIMESTAMP(*pintr0); |
|
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4214 C_TRACE(x, PyCFunction_Call(func,callargs,NULL)); |
|
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|
4215 READ_TIMESTAMP(*pintr1); |
|
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4216 Py_XDECREF(callargs); |
|
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4217 } |
|
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4218 else { |
|
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|
4219 x = NULL; |
|
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4220 } |
|
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4221 } |
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4222 } else { |
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4223 if (PyMethod_Check(func) && PyMethod_GET_SELF(func) != NULL) { |
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4224 /* optimize access to bound methods */ |
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4225 PyObject *self = PyMethod_GET_SELF(func); |
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4226 PCALL(PCALL_METHOD); |
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4227 PCALL(PCALL_BOUND_METHOD); |
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4228 Py_INCREF(self); |
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4229 func = PyMethod_GET_FUNCTION(func); |
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4230 Py_INCREF(func); |
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4231 Py_DECREF(*pfunc); |
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4232 *pfunc = self; |
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4233 na++; |
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4234 n++; |
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4235 } else |
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4236 Py_INCREF(func); |
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4237 READ_TIMESTAMP(*pintr0); |
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4238 if (PyFunction_Check(func)) |
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4239 x = fast_function(func, pp_stack, n, na, nk); |
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4240 else |
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4241 x = do_call(func, pp_stack, na, nk); |
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4242 READ_TIMESTAMP(*pintr1); |
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4243 Py_DECREF(func); |
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4244 } |
|
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4245 assert((x != NULL && !PyErr_Occurred()) |
|
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4246 || (x == NULL && PyErr_Occurred())); |
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4247 |
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4248 /* Clear the stack of the function object. Also removes |
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4249 the arguments in case they weren't consumed already |
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4250 (fast_function() and err_args() leave them on the stack). |
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4251 */ |
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4252 while ((*pp_stack) > pfunc) { |
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4253 w = EXT_POP(*pp_stack); |
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4254 Py_DECREF(w); |
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4255 PCALL(PCALL_POP); |
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4256 } |
|
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4257 |
|
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4258 assert((x != NULL && !PyErr_Occurred()) |
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4259 || (x == NULL && PyErr_Occurred())); |
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4260 return x; |
|
24868
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Move body of CALL_FUNCTION opcode into helper function.
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4261 } |
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4262 |
|
24870
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Inline fast_cfunction() in new call_function().
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4263 /* The fast_function() function optimize calls for which no argument |
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4264 tuple is necessary; the objects are passed directly from the stack. |
|
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4265 For the simplest case -- a function that takes only positional |
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4266 arguments and is called with only positional arguments -- it |
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4267 inlines the most primitive frame setup code from |
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4268 PyEval_EvalCodeEx(), which vastly reduces the checks that must be |
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4269 done before evaluating the frame. |
|
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4270 */ |
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4271 |
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4272 static PyObject * |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
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4273 fast_function(PyObject *func, PyObject ***pp_stack, int n, int na, int nk) |
|
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4274 { |
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4275 PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); |
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4276 PyObject *globals = PyFunction_GET_GLOBALS(func); |
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4277 PyObject *argdefs = PyFunction_GET_DEFAULTS(func); |
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4278 PyObject *kwdefs = PyFunction_GET_KW_DEFAULTS(func); |
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4279 PyObject **d = NULL; |
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4280 int nd = 0; |
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4281 |
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4282 PCALL(PCALL_FUNCTION); |
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4283 PCALL(PCALL_FAST_FUNCTION); |
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4284 if (argdefs == NULL && co->co_argcount == n && |
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4285 co->co_kwonlyargcount == 0 && nk==0 && |
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4286 co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { |
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4287 PyFrameObject *f; |
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4288 PyObject *retval = NULL; |
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4289 PyThreadState *tstate = PyThreadState_GET(); |
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4290 PyObject **fastlocals, **stack; |
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4291 int i; |
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4292 |
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4293 PCALL(PCALL_FASTER_FUNCTION); |
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4294 assert(globals != NULL); |
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4295 /* XXX Perhaps we should create a specialized |
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4296 PyFrame_New() that doesn't take locals, but does |
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4297 take builtins without sanity checking them. |
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4298 */ |
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4299 assert(tstate != NULL); |
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4300 f = PyFrame_New(tstate, co, globals, NULL); |
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4301 if (f == NULL) |
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4302 return NULL; |
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4303 |
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4304 fastlocals = f->f_localsplus; |
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4305 stack = (*pp_stack) - n; |
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4306 |
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4307 for (i = 0; i < n; i++) { |
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4308 Py_INCREF(*stack); |
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4309 fastlocals[i] = *stack++; |
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4310 } |
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4311 retval = PyEval_EvalFrameEx(f,0); |
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changeset
|
4312 ++tstate->recursion_depth; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4313 Py_DECREF(f); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4314 --tstate->recursion_depth; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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changeset
|
4315 return retval; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
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|
4316 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
4317 if (argdefs != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4318 d = &PyTuple_GET_ITEM(argdefs, 0); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4319 nd = Py_SIZE(argdefs); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4320 } |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
diff
changeset
|
4321 return PyEval_EvalCodeEx((PyObject*)co, globals, |
|
61467
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|
4322 (PyObject *)NULL, (*pp_stack)-n, na, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4323 (*pp_stack)-2*nk, nk, d, nd, kwdefs, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4324 PyFunction_GET_CLOSURE(func)); |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4325 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4326 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4327 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
changeset
|
4328 update_keyword_args(PyObject *orig_kwdict, int nk, PyObject ***pp_stack, |
|
152814f6cd11
This patch makes sure that the function name always appears in the error
Ka-Ping Yee <ping@zesty.ca>
parents:
15830
diff
changeset
|
4329 PyObject *func) |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
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|
4330 { |
|
61467
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|
4331 PyObject *kwdict = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4332 if (orig_kwdict == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4333 kwdict = PyDict_New(); |
|
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|
4334 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4335 kwdict = PyDict_Copy(orig_kwdict); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4336 Py_DECREF(orig_kwdict); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4337 } |
|
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|
4338 if (kwdict == NULL) |
|
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|
4339 return NULL; |
|
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|
4340 while (--nk >= 0) { |
|
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|
4341 int err; |
|
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|
4342 PyObject *value = EXT_POP(*pp_stack); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4343 PyObject *key = EXT_POP(*pp_stack); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4344 if (PyDict_GetItem(kwdict, key) != NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4345 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4346 "%.200s%s got multiple values " |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4347 "for keyword argument '%U'", |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4348 PyEval_GetFuncName(func), |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4349 PyEval_GetFuncDesc(func), |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4350 key); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4351 Py_DECREF(key); |
|
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|
4352 Py_DECREF(value); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4353 Py_DECREF(kwdict); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4354 return NULL; |
|
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|
4355 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4356 err = PyDict_SetItem(kwdict, key, value); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4357 Py_DECREF(key); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4358 Py_DECREF(value); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4359 if (err) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4360 Py_DECREF(kwdict); |
|
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|
4361 return NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4362 } |
|
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|
4363 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4364 return kwdict; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4365 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4366 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4367 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4368 update_star_args(int nstack, int nstar, PyObject *stararg, |
|
61467
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|
4369 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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|
4370 { |
|
61467
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|
4371 PyObject *callargs, *w; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4372 |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4373 callargs = PyTuple_New(nstack + nstar); |
|
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|
4374 if (callargs == NULL) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4375 return NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4376 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4377 if (nstar) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4378 int i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4379 for (i = 0; i < nstar; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4380 PyObject *a = PyTuple_GET_ITEM(stararg, i); |
|
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|
4381 Py_INCREF(a); |
|
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|
4382 PyTuple_SET_ITEM(callargs, nstack + i, a); |
|
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|
4383 } |
|
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|
4384 } |
|
f197407bdba2
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|
4385 while (--nstack >= 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4386 w = EXT_POP(*pp_stack); |
|
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|
4387 PyTuple_SET_ITEM(callargs, nstack, w); |
|
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|
4388 } |
|
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changeset
|
4389 return callargs; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4390 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4391 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4392 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4393 load_args(PyObject ***pp_stack, int na) |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4394 { |
|
61467
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|
4395 PyObject *args = PyTuple_New(na); |
|
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|
4396 PyObject *w; |
|
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|
4397 |
|
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|
4398 if (args == NULL) |
|
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|
4399 return NULL; |
|
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|
4400 while (--na >= 0) { |
|
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|
4401 w = EXT_POP(*pp_stack); |
|
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|
4402 PyTuple_SET_ITEM(args, na, w); |
|
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|
4403 } |
|
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|
4404 return args; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4405 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4406 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4407 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4408 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
changeset
|
4409 { |
|
61467
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|
4410 PyObject *callargs = NULL; |
|
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|
4411 PyObject *kwdict = NULL; |
|
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|
4412 PyObject *result = NULL; |
|
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|
4413 |
|
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|
4414 if (nk > 0) { |
|
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|
4415 kwdict = update_keyword_args(NULL, nk, pp_stack, func); |
|
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|
4416 if (kwdict == NULL) |
|
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|
4417 goto call_fail; |
|
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|
4418 } |
|
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|
4419 callargs = load_args(pp_stack, na); |
|
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|
4420 if (callargs == NULL) |
|
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diff
changeset
|
4421 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
|
4422 #ifdef CALL_PROFILE |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4423 /* 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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diff
changeset
|
4424 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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diff
changeset
|
4425 exposing the call stats machinery outside ceval.c |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4426 */ |
|
f197407bdba2
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|
4427 if (PyFunction_Check(func)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4428 PCALL(PCALL_FUNCTION); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4429 else if (PyMethod_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4430 PCALL(PCALL_METHOD); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4431 else if (PyType_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4432 PCALL(PCALL_TYPE); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4433 else if (PyCFunction_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4434 PCALL(PCALL_CFUNCTION); |
|
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|
4435 else |
|
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diff
changeset
|
4436 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
|
4437 #endif |
|
61467
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|
4438 if (PyCFunction_Check(func)) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4439 PyThreadState *tstate = PyThreadState_GET(); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4440 C_TRACE(result, PyCFunction_Call(func, callargs, kwdict)); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4441 } |
|
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|
4442 else |
|
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|
4443 result = PyObject_Call(func, callargs, kwdict); |
| 43411 | 4444 call_fail: |
|
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|
4445 Py_XDECREF(callargs); |
|
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|
4446 Py_XDECREF(kwdict); |
|
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|
4447 return result; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4448 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4449 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4450 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4451 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
changeset
|
4452 { |
|
61467
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|
4453 int nstar = 0; |
|
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|
4454 PyObject *callargs = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4455 PyObject *stararg = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4456 PyObject *kwdict = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4457 PyObject *result = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4458 |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4459 if (flags & CALL_FLAG_KW) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4460 kwdict = EXT_POP(*pp_stack); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4461 if (!PyDict_Check(kwdict)) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4462 PyObject *d; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4463 d = PyDict_New(); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4464 if (d == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4465 goto ext_call_fail; |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4466 if (PyDict_Update(d, kwdict) != 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4467 Py_DECREF(d); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4468 /* PyDict_Update raises attribute |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4469 * error (percolated from an attempt |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4470 * to get 'keys' attribute) instead of |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4471 * a type error if its second argument |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4472 * is not a mapping. |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4473 */ |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4474 if (PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4475 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4476 "%.200s%.200s argument after ** " |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4477 "must be a mapping, not %.200s", |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4478 PyEval_GetFuncName(func), |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4479 PyEval_GetFuncDesc(func), |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4480 kwdict->ob_type->tp_name); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4481 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4482 goto ext_call_fail; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4483 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4484 Py_DECREF(kwdict); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4485 kwdict = d; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4486 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4487 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4488 if (flags & CALL_FLAG_VAR) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4489 stararg = EXT_POP(*pp_stack); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4490 if (!PyTuple_Check(stararg)) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4491 PyObject *t = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4492 t = PySequence_Tuple(stararg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4493 if (t == NULL) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4494 if (PyErr_ExceptionMatches(PyExc_TypeError)) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4495 PyErr_Format(PyExc_TypeError, |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4496 "%.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
changeset
|
4497 "must be a sequence, not %.200s", |
|
61467
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|
4498 PyEval_GetFuncName(func), |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4499 PyEval_GetFuncDesc(func), |
|
f197407bdba2
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|
4500 stararg->ob_type->tp_name); |
|
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|
4501 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4502 goto ext_call_fail; |
|
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|
4503 } |
|
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|
4504 Py_DECREF(stararg); |
|
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|
4505 stararg = t; |
|
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|
4506 } |
|
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|
4507 nstar = PyTuple_GET_SIZE(stararg); |
|
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|
4508 } |
|
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|
4509 if (nk > 0) { |
|
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|
4510 kwdict = update_keyword_args(kwdict, nk, pp_stack, func); |
|
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|
4511 if (kwdict == NULL) |
|
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|
4512 goto ext_call_fail; |
|
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|
4513 } |
|
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|
4514 callargs = update_star_args(na, nstar, stararg, pp_stack); |
|
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|
4515 if (callargs == NULL) |
|
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changeset
|
4516 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
|
4517 #ifdef CALL_PROFILE |
|
61467
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|
4518 /* At this point, we have to look at the type of func to |
|
f197407bdba2
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|
4519 update the call stats properly. Do it here so as to avoid |
|
f197407bdba2
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changeset
|
4520 exposing the call stats machinery outside ceval.c |
|
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|
4521 */ |
|
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|
4522 if (PyFunction_Check(func)) |
|
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|
4523 PCALL(PCALL_FUNCTION); |
|
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|
4524 else if (PyMethod_Check(func)) |
|
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|
4525 PCALL(PCALL_METHOD); |
|
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|
4526 else if (PyType_Check(func)) |
|
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|
4527 PCALL(PCALL_TYPE); |
|
f197407bdba2
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|
4528 else if (PyCFunction_Check(func)) |
|
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|
4529 PCALL(PCALL_CFUNCTION); |
|
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|
4530 else |
|
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|
4531 PCALL(PCALL_OTHER); |
|
27712
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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|
4532 #endif |
|
61467
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|
4533 if (PyCFunction_Check(func)) { |
|
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|
4534 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
4535 C_TRACE(result, PyCFunction_Call(func, callargs, kwdict)); |
|
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|
4536 } |
|
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|
4537 else |
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|
4538 result = PyObject_Call(func, callargs, kwdict); |
|
43410
b06b191b7cfa
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|
4539 ext_call_fail: |
|
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|
4540 Py_XDECREF(callargs); |
|
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|
4541 Py_XDECREF(kwdict); |
|
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|
4542 Py_XDECREF(stararg); |
|
84648
92a9ccb2a521
Issue #18408: add more assertions on PyErr_Occurred() in ceval.c to detect bugs
Victor Stinner <victor.stinner@gmail.com>
parents:
84646
diff
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|
4543 assert((result != NULL && !PyErr_Occurred()) |
|
92a9ccb2a521
Issue #18408: add more assertions on PyErr_Occurred() in ceval.c to detect bugs
Victor Stinner <victor.stinner@gmail.com>
parents:
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|
4544 || (result == NULL && PyErr_Occurred())); |
|
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|
4545 return result; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
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|
4546 } |
|
2481b5fe86d6
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Jeremy Hylton <jeremy@alum.mit.edu>
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|
4547 |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
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|
4548 /* Extract a slice index from a PyInt or PyLong or an object with the |
|
6a9c7165b17b
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Guido van Rossum <guido@python.org>
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|
4549 nb_index slot defined, and store in *pi. |
|
6a9c7165b17b
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Guido van Rossum <guido@python.org>
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|
4550 Silently reduce values larger than PY_SSIZE_T_MAX to PY_SSIZE_T_MAX, |
|
6a9c7165b17b
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|
4551 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:
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|
4552 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:
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|
4553 */ |
|
21441
05ad7a69d933
_PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
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|
4554 /* Note: If v is NULL, return success without storing into *pi. This |
|
05ad7a69d933
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Tim Peters <tim.peters@gmail.com>
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|
4555 is because_PyEval_SliceIndex() is called by apply_slice(), which can be |
|
05ad7a69d933
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Tim Peters <tim.peters@gmail.com>
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|
4556 called by the SLICE opcode with v and/or w equal to NULL. |
|
21440
30efe46f8e3c
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Tim Peters <tim.peters@gmail.com>
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|
4557 */ |
| 12614 | 4558 int |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
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|
4559 _PyEval_SliceIndex(PyObject *v, Py_ssize_t *pi) |
| 69 | 4560 { |
|
61467
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4561 if (v != NULL) { |
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4562 Py_ssize_t x; |
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4563 if (PyIndex_Check(v)) { |
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4564 x = PyNumber_AsSsize_t(v, NULL); |
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4565 if (x == -1 && PyErr_Occurred()) |
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4566 return 0; |
|
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4567 } |
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4568 else { |
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4569 PyErr_SetString(PyExc_TypeError, |
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|
4570 "slice indices must be integers or " |
|
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4571 "None or have an __index__ method"); |
|
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4572 return 0; |
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4573 } |
|
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4574 *pi = x; |
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4575 } |
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4576 return 1; |
| 69 | 4577 } |
| 4578 | |
|
42132
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|
4579 #define CANNOT_CATCH_MSG "catching classes that do not inherit from "\ |
|
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|
4580 "BaseException is not allowed" |
|
40942
4b9d0dac79cc
You can no longer catch non-BaseException objects; TypeError is raised if such
Brett Cannon <bcannon@gmail.com>
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|
4581 |
| 5368 | 4582 static PyObject * |
|
85157
e7f6cef7a4cc
Issue #18722: Remove uses of the "register" keyword in C code.
Antoine Pitrou <solipsis@pitrou.net>
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|
4583 cmp_outcome(int op, PyObject *v, PyObject *w) |
| 69 | 4584 { |
|
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4585 int res = 0; |
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4586 switch (op) { |
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4587 case PyCmp_IS: |
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4588 res = (v == w); |
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4589 break; |
|
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4590 case PyCmp_IS_NOT: |
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4591 res = (v != w); |
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4592 break; |
|
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4593 case PyCmp_IN: |
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4594 res = PySequence_Contains(w, v); |
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4595 if (res < 0) |
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4596 return NULL; |
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4597 break; |
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4598 case PyCmp_NOT_IN: |
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4599 res = PySequence_Contains(w, v); |
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4600 if (res < 0) |
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4601 return NULL; |
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4602 res = !res; |
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4603 break; |
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4604 case PyCmp_EXC_MATCH: |
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4605 if (PyTuple_Check(w)) { |
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4606 Py_ssize_t i, length; |
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4607 length = PyTuple_Size(w); |
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4608 for (i = 0; i < length; i += 1) { |
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4609 PyObject *exc = PyTuple_GET_ITEM(w, i); |
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4610 if (!PyExceptionClass_Check(exc)) { |
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4611 PyErr_SetString(PyExc_TypeError, |
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4612 CANNOT_CATCH_MSG); |
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4613 return NULL; |
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4614 } |
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4615 } |
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4616 } |
|
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4617 else { |
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4618 if (!PyExceptionClass_Check(w)) { |
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4619 PyErr_SetString(PyExc_TypeError, |
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4620 CANNOT_CATCH_MSG); |
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4621 return NULL; |
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4622 } |
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4623 } |
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4624 res = PyErr_GivenExceptionMatches(v, w); |
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4625 break; |
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4626 default: |
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4627 return PyObject_RichCompare(v, w, op); |
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4628 } |
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4629 v = res ? Py_True : Py_False; |
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4630 Py_INCREF(v); |
|
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|
4631 return v; |
| 69 | 4632 } |
| 4633 | |
|
14038
18385172fac0
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Thomas Wouters <thomas@python.org>
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|
4634 static PyObject * |
|
18385172fac0
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Thomas Wouters <thomas@python.org>
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|
4635 import_from(PyObject *v, PyObject *name) |
|
72
5e8a0b40a4bd
Free parse tree after compiling.
Guido van Rossum <guido@python.org>
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|
4636 { |
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4637 PyObject *x; |
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4638 |
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4639 x = PyObject_GetAttr(v, name); |
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4640 if (x == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
84583
c3f9292c8efe
Issue #18342: Use the repr of a module name for ``from ... import
Brett Cannon <brett@python.org>
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|
4641 PyErr_Format(PyExc_ImportError, "cannot import name %R", name); |
|
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4642 } |
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4643 return x; |
|
14038
18385172fac0
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Thomas Wouters <thomas@python.org>
parents:
13930
diff
changeset
|
4644 } |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
diff
changeset
|
4645 |
|
14038
18385172fac0
Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents:
13930
diff
changeset
|
4646 static int |
|
18385172fac0
Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents:
13930
diff
changeset
|
4647 import_all_from(PyObject *locals, PyObject *v) |
|
18385172fac0
Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents:
13930
diff
changeset
|
4648 { |
|
72926
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
72925
diff
changeset
|
4649 _Py_IDENTIFIER(__all__); |
|
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
72925
diff
changeset
|
4650 _Py_IDENTIFIER(__dict__); |
|
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
72925
diff
changeset
|
4651 PyObject *all = _PyObject_GetAttrId(v, &PyId___all__); |
|
61467
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|
4652 PyObject *dict, *name, *value; |
|
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|
4653 int skip_leading_underscores = 0; |
|
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|
4654 int pos, err; |
|
f197407bdba2
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|
4655 |
|
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|
4656 if (all == NULL) { |
|
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|
4657 if (!PyErr_ExceptionMatches(PyExc_AttributeError)) |
|
f197407bdba2
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|
4658 return -1; /* Unexpected error */ |
|
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|
4659 PyErr_Clear(); |
|
72926
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
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diff
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|
4660 dict = _PyObject_GetAttrId(v, &PyId___dict__); |
|
61467
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|
4661 if (dict == NULL) { |
|
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|
4662 if (!PyErr_ExceptionMatches(PyExc_AttributeError)) |
|
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|
4663 return -1; |
|
f197407bdba2
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|
4664 PyErr_SetString(PyExc_ImportError, |
|
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|
4665 "from-import-* object has no __dict__ and no __all__"); |
|
f197407bdba2
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|
4666 return -1; |
|
f197407bdba2
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|
4667 } |
|
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|
4668 all = PyMapping_Keys(dict); |
|
f197407bdba2
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|
4669 Py_DECREF(dict); |
|
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|
4670 if (all == NULL) |
|
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|
4671 return -1; |
|
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|
4672 skip_leading_underscores = 1; |
|
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|
4673 } |
|
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|
4674 |
|
f197407bdba2
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|
4675 for (pos = 0, err = 0; ; pos++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4676 name = PySequence_GetItem(all, pos); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4677 if (name == NULL) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4678 if (!PyErr_ExceptionMatches(PyExc_IndexError)) |
|
f197407bdba2
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|
4679 err = -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4680 else |
|
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|
4681 PyErr_Clear(); |
|
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|
4682 break; |
|
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|
4683 } |
|
f197407bdba2
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|
4684 if (skip_leading_underscores && |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4685 PyUnicode_Check(name) && |
| 72475 | 4686 PyUnicode_READY(name) != -1 && |
| 4687 PyUnicode_READ_CHAR(name, 0) == '_') | |
|
61467
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|
4688 { |
|
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|
4689 Py_DECREF(name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4690 continue; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4691 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4692 value = PyObject_GetAttr(v, name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4693 if (value == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4694 err = -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4695 else if (PyDict_CheckExact(locals)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4696 err = PyDict_SetItem(locals, name, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4697 else |
|
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|
4698 err = PyObject_SetItem(locals, name, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4699 Py_DECREF(name); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4700 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4701 if (err != 0) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4702 break; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4703 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4704 Py_DECREF(all); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4705 return err; |
|
72
5e8a0b40a4bd
Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
4706 } |
|
5e8a0b40a4bd
Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
4707 |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
diff
changeset
|
4708 static void |
| 42860 | 4709 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
|
4710 { |
|
61467
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|
4711 const char *obj_str; |
|
f197407bdba2
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|
4712 |
|
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|
4713 if (!obj) |
|
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|
4714 return; |
|
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|
4715 |
|
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|
4716 obj_str = _PyUnicode_AsString(obj); |
|
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|
4717 if (!obj_str) |
|
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|
4718 return; |
|
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|
4719 |
|
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changeset
|
4720 PyErr_Format(exc, format_str, obj_str); |
|
14268
cd8b815cb196
Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents:
14238
diff
changeset
|
4721 } |
|
5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4722 |
|
64620
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
|
4723 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
|
4724 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
|
4725 { |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4726 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
|
4727 /* 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
|
4728 if (PyErr_Occurred()) |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff
changeset
|
4729 return; |
|
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
|
4730 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
|
4731 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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diff
changeset
|
4732 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
|
4733 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
|
4734 PyExc_UnboundLocalError, |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff
changeset
|
4735 UNBOUNDLOCAL_ERROR_MSG, |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
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diff
changeset
|
4736 name); |
|
25cc226dc9bd
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff
changeset
|
4737 } else { |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
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parents:
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diff
changeset
|
4738 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:
64439
diff
changeset
|
4739 PyTuple_GET_SIZE(co->co_cellvars)); |
|
25cc226dc9bd
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
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64439
diff
changeset
|
4740 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>
parents:
64439
diff
changeset
|
4741 UNBOUNDFREE_ERROR_MSG, name); |
|
25cc226dc9bd
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff
changeset
|
4742 } |
|
25cc226dc9bd
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff
changeset
|
4743 } |
|
25cc226dc9bd
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changeset
|
4744 |
|
72605
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ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4745 static PyObject * |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4746 unicode_concatenate(PyObject *v, PyObject *w, |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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parents:
72558
diff
changeset
|
4747 PyFrameObject *f, unsigned char *next_instr) |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4748 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4749 PyObject *res; |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
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72558
diff
changeset
|
4750 if (Py_REFCNT(v) == 2) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4751 /* In the common case, there are 2 references to the value |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4752 * stored in 'variable' when the += is performed: one on the |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4753 * value stack (in 'v') and one still stored in the |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4754 * 'variable'. We try to delete the variable now to reduce |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4755 * the refcnt to 1. |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4756 */ |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4757 switch (*next_instr) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4758 case STORE_FAST: |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4759 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4760 int oparg = PEEKARG(); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4761 PyObject **fastlocals = f->f_localsplus; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4762 if (GETLOCAL(oparg) == v) |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4763 SETLOCAL(oparg, NULL); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4764 break; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4765 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4766 case STORE_DEREF: |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4767 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4768 PyObject **freevars = (f->f_localsplus + |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4769 f->f_code->co_nlocals); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4770 PyObject *c = freevars[PEEKARG()]; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4771 if (PyCell_GET(c) == v) |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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parents:
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diff
changeset
|
4772 PyCell_Set(c, NULL); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4773 break; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4774 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4775 case STORE_NAME: |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4776 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4777 PyObject *names = f->f_code->co_names; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4778 PyObject *name = GETITEM(names, PEEKARG()); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4779 PyObject *locals = f->f_locals; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4780 if (PyDict_CheckExact(locals) && |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4781 PyDict_GetItem(locals, name) == v) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4782 if (PyDict_DelItem(locals, name) != 0) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4783 PyErr_Clear(); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4784 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4785 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4786 break; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4787 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4788 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4789 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4790 res = v; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4791 PyUnicode_Append(&res, w); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4792 return res; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4793 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4794 |
|
5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4795 #ifdef DYNAMIC_EXECUTION_PROFILE |
|
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4796 |
|
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
|
4797 static PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
4798 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
|
4799 { |
|
61467
f197407bdba2
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diff
changeset
|
4800 int i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4801 PyObject *l = PyList_New(256); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4802 if (l == NULL) return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4803 for (i = 0; i < 256; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4804 PyObject *x = PyLong_FromLong(a[i]); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4805 if (x == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4806 Py_DECREF(l); |
|
f197407bdba2
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changeset
|
4807 return NULL; |
|
f197407bdba2
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diff
changeset
|
4808 } |
|
f197407bdba2
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changeset
|
4809 PyList_SetItem(l, i, x); |
|
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diff
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|
4810 } |
|
f197407bdba2
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changeset
|
4811 for (i = 0; i < 256; i++) |
|
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changeset
|
4812 a[i] = 0; |
|
f197407bdba2
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diff
changeset
|
4813 return l; |
|
5049
946b2b2a7622
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Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4814 } |
|
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4815 |
|
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4816 PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
4817 _Py_GetDXProfile(PyObject *self, PyObject *args) |
|
5049
946b2b2a7622
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5048
diff
changeset
|
4818 { |
|
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
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5048
diff
changeset
|
4819 #ifndef DXPAIRS |
|
61467
f197407bdba2
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diff
changeset
|
4820 return getarray(dxp); |
|
5049
946b2b2a7622
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Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
4821 #else |
|
61467
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|
4822 int i; |
|
f197407bdba2
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changeset
|
4823 PyObject *l = PyList_New(257); |
|
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changeset
|
4824 if (l == NULL) return NULL; |
|
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changeset
|
4825 for (i = 0; i < 257; i++) { |
|
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changeset
|
4826 PyObject *x = getarray(dxpairs[i]); |
|
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changeset
|
4827 if (x == NULL) { |
|
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|
4828 Py_DECREF(l); |
|
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|
4829 return NULL; |
|
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|
4830 } |
|
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changeset
|
4831 PyList_SetItem(l, i, x); |
|
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|
4832 } |
|
f197407bdba2
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changeset
|
4833 return l; |
|
5049
946b2b2a7622
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Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4834 #endif |
|
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4835 } |
|
946b2b2a7622
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Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4836 |
|
946b2b2a7622
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Guido van Rossum <guido@python.org>
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diff
changeset
|
4837 #endif |