Mercurial > cpython-lru_cache-weakref
annotate Python/ceval.c @ 83800:e5dc97fb304d
Fix a compilater warning on Windows 64-bit
idx variable is used for a tuple indexn so use Py_ssize_t (not int).
| author | Victor Stinner <victor.stinner@gmail.com> |
|---|---|
| date | Thu, 16 May 2013 23:48:01 +0200 |
| parents | 6db3741e59be |
| children | 8a0ed9f63c6e |
| 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" |
| 69 | 18 |
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19 #include <ctype.h> |
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21 #ifndef WITH_TSC |
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22 |
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23 #define READ_TIMESTAMP(var) |
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24 |
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25 #else |
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27 typedef unsigned long long uint64; |
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28 |
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#11565: Fix several typos. Patch by Piotr Kasprzyk.
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29 /* PowerPC support. |
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30 "__ppc__" appears to be the preprocessor definition to detect on OS X, whereas |
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31 "__powerpc__" appears to be the correct one for Linux with GCC |
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32 */ |
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33 #if defined(__ppc__) || defined (__powerpc__) |
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35 #define READ_TIMESTAMP(var) ppc_getcounter(&var) |
| 33104 | 36 |
| 37 static void | |
| 38 ppc_getcounter(uint64 *v) | |
| 39 { | |
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40 register unsigned long tbu, tb, tbu2; |
| 33104 | 41 |
| 42 loop: | |
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43 asm volatile ("mftbu %0" : "=r" (tbu) ); |
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44 asm volatile ("mftb %0" : "=r" (tb) ); |
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45 asm volatile ("mftbu %0" : "=r" (tbu2)); |
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46 if (__builtin_expect(tbu != tbu2, 0)) goto loop; |
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47 |
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48 /* The slightly peculiar way of writing the next lines is |
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49 compiled better by GCC than any other way I tried. */ |
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50 ((long*)(v))[0] = tbu; |
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51 ((long*)(v))[1] = tb; |
| 33104 | 52 } |
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54 #elif defined(__i386__) |
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55 |
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56 /* this is for linux/x86 (and probably any other GCC/x86 combo) */ |
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57 |
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58 #define READ_TIMESTAMP(val) \ |
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59 __asm__ __volatile__("rdtsc" : "=A" (val)) |
| 33104 | 60 |
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61 #elif defined(__x86_64__) |
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62 |
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63 /* for gcc/x86_64, the "A" constraint in DI mode means *either* rax *or* rdx; |
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64 not edx:eax as it does for i386. Since rdtsc puts its result in edx:eax |
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65 even in 64-bit mode, we need to use "a" and "d" for the lower and upper |
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66 32-bit pieces of the result. */ |
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67 |
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68 #define READ_TIMESTAMP(val) \ |
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69 __asm__ __volatile__("rdtsc" : \ |
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70 "=a" (((int*)&(val))[0]), "=d" (((int*)&(val))[1])); |
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71 |
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72 |
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73 #else |
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74 |
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75 #error "Don't know how to implement timestamp counter for this architecture" |
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| 33104 | 77 #endif |
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79 void dump_tsc(int opcode, int ticked, uint64 inst0, uint64 inst1, |
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80 uint64 loop0, uint64 loop1, uint64 intr0, uint64 intr1) |
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81 { |
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82 uint64 intr, inst, loop; |
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83 PyThreadState *tstate = PyThreadState_Get(); |
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84 if (!tstate->interp->tscdump) |
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85 return; |
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86 intr = intr1 - intr0; |
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87 inst = inst1 - inst0 - intr; |
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88 loop = loop1 - loop0 - intr; |
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89 fprintf(stderr, "opcode=%03d t=%d inst=%06lld loop=%06lld\n", |
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90 opcode, ticked, inst, loop); |
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91 } |
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93 #endif |
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94 |
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95 /* Turn this on if your compiler chokes on the big switch: */ |
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96 /* #define CASE_TOO_BIG 1 */ |
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97 |
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98 #ifdef Py_DEBUG |
| 567 | 99 /* For debugging the interpreter: */ |
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100 #define LLTRACE 1 /* Low-level trace feature */ |
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101 #define CHECKEXC 1 /* Double-check exception checking */ |
| 69 | 102 #endif |
| 103 | |
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104 typedef PyObject *(*callproc)(PyObject *, PyObject *, PyObject *); |
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105 |
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106 /* Forward declarations */ |
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107 #ifdef WITH_TSC |
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108 static PyObject * call_function(PyObject ***, int, uint64*, uint64*); |
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109 #else |
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110 static PyObject * call_function(PyObject ***, int); |
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111 #endif |
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112 static PyObject * fast_function(PyObject *, PyObject ***, int, int, int); |
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113 static PyObject * do_call(PyObject *, PyObject ***, int, int); |
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114 static PyObject * ext_do_call(PyObject *, PyObject ***, int, int, int); |
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115 static PyObject * update_keyword_args(PyObject *, int, PyObject ***, |
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116 PyObject *); |
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117 static PyObject * update_star_args(int, int, PyObject *, PyObject ***); |
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118 static PyObject * load_args(PyObject ***, int); |
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119 #define CALL_FLAG_VAR 1 |
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120 #define CALL_FLAG_KW 2 |
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121 |
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122 #ifdef LLTRACE |
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123 static int lltrace; |
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124 static int prtrace(PyObject *, char *); |
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125 #endif |
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126 static int call_trace(Py_tracefunc, PyObject *, PyFrameObject *, |
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127 int, PyObject *); |
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128 static int call_trace_protected(Py_tracefunc, PyObject *, |
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129 PyFrameObject *, int, PyObject *); |
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130 static void call_exc_trace(Py_tracefunc, PyObject *, PyFrameObject *); |
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131 static int maybe_call_line_trace(Py_tracefunc, PyObject *, |
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132 PyFrameObject *, int *, int *, int *); |
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134 static PyObject * cmp_outcome(int, PyObject *, PyObject *); |
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135 static PyObject * import_from(PyObject *, PyObject *); |
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136 static int import_all_from(PyObject *, PyObject *); |
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138 static void format_exc_unbound(PyCodeObject *co, int oparg); |
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139 static PyObject * unicode_concatenate(PyObject *, PyObject *, |
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140 PyFrameObject *, unsigned char *); |
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141 static PyObject * special_lookup(PyObject *, _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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682 |
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683 #ifndef Py_DEFAULT_RECURSION_LIMIT |
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684 #define Py_DEFAULT_RECURSION_LIMIT 1000 |
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685 #endif |
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686 static int recursion_limit = Py_DEFAULT_RECURSION_LIMIT; |
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687 int _Py_CheckRecursionLimit = Py_DEFAULT_RECURSION_LIMIT; |
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688 |
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689 int |
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690 Py_GetRecursionLimit(void) |
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691 { |
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692 return recursion_limit; |
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693 } |
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694 |
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695 void |
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696 Py_SetRecursionLimit(int new_limit) |
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697 { |
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698 recursion_limit = new_limit; |
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699 _Py_CheckRecursionLimit = recursion_limit; |
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700 } |
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701 |
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702 /* the macro Py_EnterRecursiveCall() only calls _Py_CheckRecursiveCall() |
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703 if the recursion_depth reaches _Py_CheckRecursionLimit. |
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704 If USE_STACKCHECK, the macro decrements _Py_CheckRecursionLimit |
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705 to guarantee that _Py_CheckRecursiveCall() is regularly called. |
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706 Without USE_STACKCHECK, there is no need for this. */ |
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707 int |
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708 _Py_CheckRecursiveCall(char *where) |
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709 { |
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710 PyThreadState *tstate = PyThreadState_GET(); |
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711 |
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712 #ifdef USE_STACKCHECK |
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713 if (PyOS_CheckStack()) { |
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714 --tstate->recursion_depth; |
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715 PyErr_SetString(PyExc_MemoryError, "Stack overflow"); |
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716 return -1; |
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717 } |
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718 #endif |
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719 _Py_CheckRecursionLimit = recursion_limit; |
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720 if (tstate->recursion_critical) |
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721 /* Somebody asked that we don't check for recursion. */ |
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722 return 0; |
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723 if (tstate->overflowed) { |
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724 if (tstate->recursion_depth > recursion_limit + 50) { |
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725 /* Overflowing while handling an overflow. Give up. */ |
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726 Py_FatalError("Cannot recover from stack overflow."); |
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727 } |
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728 return 0; |
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729 } |
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730 if (tstate->recursion_depth > recursion_limit) { |
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731 --tstate->recursion_depth; |
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732 tstate->overflowed = 1; |
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733 PyErr_Format(PyExc_RuntimeError, |
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734 "maximum recursion depth exceeded%s", |
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735 where); |
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736 return -1; |
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737 } |
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738 return 0; |
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739 } |
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740 |
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741 /* Status code for main loop (reason for stack unwind) */ |
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742 enum why_code { |
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743 WHY_NOT = 0x0001, /* No error */ |
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744 WHY_EXCEPTION = 0x0002, /* Exception occurred */ |
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745 WHY_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 register PyObject **stack_pointer; /* Next free slot in value stack */ |
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796 register unsigned char *next_instr; |
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797 register int opcode; /* Current opcode */ |
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798 register int oparg; /* Current opcode argument, if any */ |
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799 register enum why_code why; /* Reason for block stack unwind */ |
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800 register 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 |
|
24232
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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 |
|
173
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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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1000 COMPARE_OP is often followed by JUMP_IF_FALSE or JUMP_IF_TRUE. And, |
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1001 those opcodes are often followed by a POP_TOP. |
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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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1021 |
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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 |
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1186 if (co->co_flags & CO_GENERATOR && !throwflag) { |
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1187 if (f->f_exc_type != NULL && f->f_exc_type != Py_None) { |
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1188 /* We were in an except handler when we left, |
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1189 restore the exception state which was put aside |
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1190 (see YIELD_VALUE). */ |
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1191 swap_exc_state(tstate, f); |
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1192 } |
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1193 else |
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1194 save_exc_state(tstate, f); |
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1195 } |
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1197 #ifdef LLTRACE |
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1198 lltrace = _PyDict_GetItemId(f->f_globals, &PyId___ltrace__) != NULL; |
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1199 #endif |
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1200 |
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1201 why = WHY_NOT; |
| 79693 | 1202 |
| 1203 if (throwflag) /* support for generator.throw() */ | |
| 1204 goto error; | |
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1205 |
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1206 for (;;) { |
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1207 #ifdef WITH_TSC |
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1208 if (inst1 == 0) { |
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1209 /* Almost surely, the opcode executed a break |
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1210 or a continue, preventing inst1 from being set |
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1211 on the way out of the loop. |
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1212 */ |
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1213 READ_TIMESTAMP(inst1); |
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1214 loop1 = inst1; |
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1215 } |
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1216 dump_tsc(opcode, ticked, inst0, inst1, loop0, loop1, |
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1217 intr0, intr1); |
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1218 ticked = 0; |
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1219 inst1 = 0; |
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1220 intr0 = 0; |
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1221 intr1 = 0; |
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1222 READ_TIMESTAMP(loop0); |
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1223 #endif |
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1224 assert(stack_pointer >= f->f_valuestack); /* else underflow */ |
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1225 assert(STACK_LEVEL() <= co->co_stacksize); /* else overflow */ |
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1226 |
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1227 /* Do periodic things. Doing this every time through |
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1228 the loop would add too much overhead, so we do it |
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1229 only every Nth instruction. We also do it if |
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1230 ``pendingcalls_to_do'' is set, i.e. when an asynchronous |
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1231 event needs attention (e.g. a signal handler or |
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1232 async I/O handler); see Py_AddPendingCall() and |
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1233 Py_MakePendingCalls() above. */ |
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1234 |
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1235 if (_Py_atomic_load_relaxed(&eval_breaker)) { |
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1236 if (*next_instr == SETUP_FINALLY) { |
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1237 /* Make the last opcode before |
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1238 a try: finally: block uninterruptible. */ |
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1239 goto fast_next_opcode; |
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1240 } |
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1241 tstate->tick_counter++; |
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1242 #ifdef WITH_TSC |
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1243 ticked = 1; |
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1244 #endif |
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1245 if (_Py_atomic_load_relaxed(&pendingcalls_to_do)) { |
| 79693 | 1246 if (Py_MakePendingCalls() < 0) |
| 1247 goto error; | |
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1248 } |
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1249 #ifdef WITH_THREAD |
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1250 if (_Py_atomic_load_relaxed(&gil_drop_request)) { |
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1251 /* Give another thread a chance */ |
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1252 if (PyThreadState_Swap(NULL) != tstate) |
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1253 Py_FatalError("ceval: tstate mix-up"); |
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1254 drop_gil(tstate); |
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1255 |
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1256 /* Other threads may run now */ |
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1257 |
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1258 take_gil(tstate); |
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1259 if (PyThreadState_Swap(tstate) != NULL) |
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1260 Py_FatalError("ceval: orphan tstate"); |
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1261 } |
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1262 #endif |
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1263 /* Check for asynchronous exceptions. */ |
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1264 if (tstate->async_exc != NULL) { |
| 79693 | 1265 PyObject *exc = tstate->async_exc; |
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1266 tstate->async_exc = NULL; |
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1267 UNSIGNAL_ASYNC_EXC(); |
| 79693 | 1268 PyErr_SetNone(exc); |
| 1269 Py_DECREF(exc); | |
| 1270 goto error; | |
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1271 } |
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1272 } |
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1273 |
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1274 fast_next_opcode: |
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1275 f->f_lasti = INSTR_OFFSET(); |
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1276 |
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1277 /* line-by-line tracing support */ |
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1278 |
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1279 if (_Py_TracingPossible && |
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1280 tstate->c_tracefunc != NULL && !tstate->tracing) { |
| 79693 | 1281 int err; |
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1282 /* see maybe_call_line_trace |
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1283 for expository comments */ |
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1284 f->f_stacktop = stack_pointer; |
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1285 |
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1286 err = maybe_call_line_trace(tstate->c_tracefunc, |
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1287 tstate->c_traceobj, |
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1288 f, &instr_lb, &instr_ub, |
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1289 &instr_prev); |
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1290 /* Reload possibly changed frame fields */ |
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1291 JUMPTO(f->f_lasti); |
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1292 if (f->f_stacktop != NULL) { |
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1293 stack_pointer = f->f_stacktop; |
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1294 f->f_stacktop = NULL; |
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1295 } |
| 79693 | 1296 if (err) |
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1297 /* trace function raised an exception */ |
| 79693 | 1298 goto error; |
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1299 } |
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1300 |
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1301 /* Extract opcode and argument */ |
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1302 |
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1303 opcode = NEXTOP(); |
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1304 oparg = 0; /* allows oparg to be stored in a register because |
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1305 it doesn't have to be remembered across a full loop */ |
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1306 if (HAS_ARG(opcode)) |
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1307 oparg = NEXTARG(); |
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1308 dispatch_opcode: |
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1309 #ifdef DYNAMIC_EXECUTION_PROFILE |
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1310 #ifdef DXPAIRS |
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1311 dxpairs[lastopcode][opcode]++; |
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1312 lastopcode = opcode; |
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1313 #endif |
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1314 dxp[opcode]++; |
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1315 #endif |
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1316 |
| 567 | 1317 #ifdef LLTRACE |
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1318 /* Instruction tracing */ |
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1319 |
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1320 if (lltrace) { |
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1321 if (HAS_ARG(opcode)) { |
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1322 printf("%d: %d, %d\n", |
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1323 f->f_lasti, opcode, oparg); |
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1324 } |
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1325 else { |
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1326 printf("%d: %d\n", |
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1327 f->f_lasti, opcode); |
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1328 } |
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1329 } |
|
173
4656452436e1
Moved support functions after main function; added prototypes;
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1330 #endif |
| 24844 | 1331 |
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1332 /* Main switch on opcode */ |
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1333 READ_TIMESTAMP(inst0); |
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1334 |
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|
1335 switch (opcode) { |
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1336 |
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|
1337 /* BEWARE! |
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1338 It is essential that any operation that fails sets either |
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1339 x to NULL, err to nonzero, or why to anything but WHY_NOT, |
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1340 and that no operation that succeeds does this! */ |
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1341 |
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|
1342 TARGET(NOP) |
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1343 FAST_DISPATCH(); |
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1344 |
| 79693 | 1345 TARGET(LOAD_FAST) { |
| 1346 PyObject *value = GETLOCAL(oparg); | |
| 1347 if (value == NULL) { | |
| 1348 format_exc_check_arg(PyExc_UnboundLocalError, | |
| 1349 UNBOUNDLOCAL_ERROR_MSG, | |
| 1350 PyTuple_GetItem(co->co_varnames, oparg)); | |
| 1351 goto error; | |
|
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1352 } |
| 79693 | 1353 Py_INCREF(value); |
| 1354 PUSH(value); | |
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1355 FAST_DISPATCH(); |
| 79693 | 1356 } |
| 1357 | |
| 1358 TARGET(LOAD_CONST) { | |
| 1359 PyObject *value = GETITEM(consts, oparg); | |
| 1360 Py_INCREF(value); | |
| 1361 PUSH(value); | |
| 1362 FAST_DISPATCH(); | |
| 1363 } | |
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1364 |
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1365 PREDICTED_WITH_ARG(STORE_FAST); |
| 79693 | 1366 TARGET(STORE_FAST) { |
| 1367 PyObject *value = POP(); | |
| 1368 SETLOCAL(oparg, value); | |
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1369 FAST_DISPATCH(); |
| 79693 | 1370 } |
| 1371 | |
| 1372 TARGET(POP_TOP) { | |
| 1373 PyObject *value = POP(); | |
| 1374 Py_DECREF(value); | |
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1375 FAST_DISPATCH(); |
| 79693 | 1376 } |
| 1377 | |
| 1378 TARGET(ROT_TWO) { | |
| 1379 PyObject *top = TOP(); | |
| 1380 PyObject *second = SECOND(); | |
| 1381 SET_TOP(second); | |
| 1382 SET_SECOND(top); | |
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1383 FAST_DISPATCH(); |
| 79693 | 1384 } |
| 1385 | |
| 1386 TARGET(ROT_THREE) { | |
| 1387 PyObject *top = TOP(); | |
| 1388 PyObject *second = SECOND(); | |
| 1389 PyObject *third = THIRD(); | |
| 1390 SET_TOP(second); | |
| 1391 SET_SECOND(third); | |
| 1392 SET_THIRD(top); | |
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1393 FAST_DISPATCH(); |
| 79693 | 1394 } |
| 1395 | |
| 1396 TARGET(DUP_TOP) { | |
| 1397 PyObject *top = TOP(); | |
| 1398 Py_INCREF(top); | |
| 1399 PUSH(top); | |
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1400 FAST_DISPATCH(); |
| 79693 | 1401 } |
| 1402 | |
| 1403 TARGET(DUP_TOP_TWO) { | |
| 1404 PyObject *top = TOP(); | |
|
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1405 PyObject *second = SECOND(); |
| 79693 | 1406 Py_INCREF(top); |
| 1407 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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|
1408 STACKADJ(2); |
| 79693 | 1409 SET_TOP(top); |
| 1410 SET_SECOND(second); | |
|
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Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
Antoine Pitrou <solipsis@pitrou.net>
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|
1411 FAST_DISPATCH(); |
| 79693 | 1412 } |
| 1413 | |
| 1414 TARGET(UNARY_POSITIVE) { | |
| 1415 PyObject *value = TOP(); | |
| 1416 PyObject *res = PyNumber_Positive(value); | |
| 1417 Py_DECREF(value); | |
| 1418 SET_TOP(res); | |
| 1419 if (res == NULL) | |
| 1420 goto error; | |
| 1421 DISPATCH(); | |
| 1422 } | |
| 1423 | |
| 1424 TARGET(UNARY_NEGATIVE) { | |
| 1425 PyObject *value = TOP(); | |
| 1426 PyObject *res = PyNumber_Negative(value); | |
| 1427 Py_DECREF(value); | |
| 1428 SET_TOP(res); | |
| 1429 if (res == NULL) | |
| 1430 goto error; | |
| 1431 DISPATCH(); | |
| 1432 } | |
| 1433 | |
| 1434 TARGET(UNARY_NOT) { | |
| 1435 PyObject *value = TOP(); | |
| 1436 int err = PyObject_IsTrue(value); | |
| 1437 Py_DECREF(value); | |
|
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1438 if (err == 0) { |
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1439 Py_INCREF(Py_True); |
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1440 SET_TOP(Py_True); |
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1441 DISPATCH(); |
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1442 } |
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1443 else if (err > 0) { |
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1444 Py_INCREF(Py_False); |
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1445 SET_TOP(Py_False); |
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1446 err = 0; |
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1447 DISPATCH(); |
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1448 } |
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1449 STACKADJ(-1); |
| 79693 | 1450 goto error; |
| 1451 } | |
| 1452 | |
| 1453 TARGET(UNARY_INVERT) { | |
| 1454 PyObject *value = TOP(); | |
| 1455 PyObject *res = PyNumber_Invert(value); | |
| 1456 Py_DECREF(value); | |
| 1457 SET_TOP(res); | |
| 1458 if (res == NULL) | |
| 1459 goto error; | |
| 1460 DISPATCH(); | |
| 1461 } | |
| 1462 | |
| 1463 TARGET(BINARY_POWER) { | |
| 1464 PyObject *exp = POP(); | |
| 1465 PyObject *base = TOP(); | |
| 1466 PyObject *res = PyNumber_Power(base, exp, Py_None); | |
| 1467 Py_DECREF(base); | |
| 1468 Py_DECREF(exp); | |
| 1469 SET_TOP(res); | |
| 1470 if (res == NULL) | |
| 1471 goto error; | |
| 1472 DISPATCH(); | |
| 1473 } | |
| 1474 | |
| 1475 TARGET(BINARY_MULTIPLY) { | |
| 1476 PyObject *right = POP(); | |
| 1477 PyObject *left = TOP(); | |
| 1478 PyObject *res = PyNumber_Multiply(left, right); | |
| 1479 Py_DECREF(left); | |
| 1480 Py_DECREF(right); | |
| 1481 SET_TOP(res); | |
| 1482 if (res == NULL) | |
| 1483 goto error; | |
| 1484 DISPATCH(); | |
| 1485 } | |
| 1486 | |
| 1487 TARGET(BINARY_TRUE_DIVIDE) { | |
| 1488 PyObject *divisor = POP(); | |
| 1489 PyObject *dividend = TOP(); | |
| 1490 PyObject *quotient = PyNumber_TrueDivide(dividend, divisor); | |
| 1491 Py_DECREF(dividend); | |
| 1492 Py_DECREF(divisor); | |
| 1493 SET_TOP(quotient); | |
| 1494 if (quotient == NULL) | |
| 1495 goto error; | |
| 1496 DISPATCH(); | |
| 1497 } | |
| 1498 | |
| 1499 TARGET(BINARY_FLOOR_DIVIDE) { | |
| 1500 PyObject *divisor = POP(); | |
| 1501 PyObject *dividend = TOP(); | |
| 1502 PyObject *quotient = PyNumber_FloorDivide(dividend, divisor); | |
| 1503 Py_DECREF(dividend); | |
| 1504 Py_DECREF(divisor); | |
| 1505 SET_TOP(quotient); | |
| 1506 if (quotient == NULL) | |
| 1507 goto error; | |
| 1508 DISPATCH(); | |
| 1509 } | |
| 1510 | |
| 1511 TARGET(BINARY_MODULO) { | |
| 1512 PyObject *divisor = POP(); | |
| 1513 PyObject *dividend = TOP(); | |
| 1514 PyObject *res = PyUnicode_CheckExact(dividend) ? | |
| 1515 PyUnicode_Format(dividend, divisor) : | |
| 1516 PyNumber_Remainder(dividend, divisor); | |
| 1517 Py_DECREF(divisor); | |
| 1518 Py_DECREF(dividend); | |
| 1519 SET_TOP(res); | |
| 1520 if (res == NULL) | |
| 1521 goto error; | |
| 1522 DISPATCH(); | |
| 1523 } | |
| 1524 | |
| 1525 TARGET(BINARY_ADD) { | |
| 1526 PyObject *right = POP(); | |
| 1527 PyObject *left = TOP(); | |
| 1528 PyObject *sum; | |
| 1529 if (PyUnicode_CheckExact(left) && | |
| 1530 PyUnicode_CheckExact(right)) { | |
| 1531 sum = unicode_concatenate(left, right, f, next_instr); | |
|
72605
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
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|
1532 /* 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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diff
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|
1533 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
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|
1534 else { |
| 79693 | 1535 sum = PyNumber_Add(left, right); |
| 1536 Py_DECREF(left); | |
|
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07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
1537 } |
| 79693 | 1538 Py_DECREF(right); |
| 1539 SET_TOP(sum); | |
| 1540 if (sum == NULL) | |
| 1541 goto error; | |
| 1542 DISPATCH(); | |
| 1543 } | |
| 1544 | |
| 1545 TARGET(BINARY_SUBTRACT) { | |
| 1546 PyObject *right = POP(); | |
| 1547 PyObject *left = TOP(); | |
| 1548 PyObject *diff = PyNumber_Subtract(left, right); | |
| 1549 Py_DECREF(right); | |
| 1550 Py_DECREF(left); | |
| 1551 SET_TOP(diff); | |
| 1552 if (diff == NULL) | |
| 1553 goto error; | |
| 1554 DISPATCH(); | |
| 1555 } | |
| 1556 | |
| 1557 TARGET(BINARY_SUBSCR) { | |
| 1558 PyObject *sub = POP(); | |
| 1559 PyObject *container = TOP(); | |
| 1560 PyObject *res = PyObject_GetItem(container, sub); | |
| 1561 Py_DECREF(container); | |
| 1562 Py_DECREF(sub); | |
| 1563 SET_TOP(res); | |
| 1564 if (res == NULL) | |
| 1565 goto error; | |
| 1566 DISPATCH(); | |
| 1567 } | |
| 1568 | |
| 1569 TARGET(BINARY_LSHIFT) { | |
| 1570 PyObject *right = POP(); | |
| 1571 PyObject *left = TOP(); | |
| 1572 PyObject *res = PyNumber_Lshift(left, right); | |
| 1573 Py_DECREF(left); | |
| 1574 Py_DECREF(right); | |
| 1575 SET_TOP(res); | |
| 1576 if (res == NULL) | |
| 1577 goto error; | |
| 1578 DISPATCH(); | |
| 1579 } | |
| 1580 | |
| 1581 TARGET(BINARY_RSHIFT) { | |
| 1582 PyObject *right = POP(); | |
| 1583 PyObject *left = TOP(); | |
| 1584 PyObject *res = PyNumber_Rshift(left, right); | |
| 1585 Py_DECREF(left); | |
| 1586 Py_DECREF(right); | |
| 1587 SET_TOP(res); | |
| 1588 if (res == NULL) | |
| 1589 goto error; | |
| 1590 DISPATCH(); | |
| 1591 } | |
| 1592 | |
| 1593 TARGET(BINARY_AND) { | |
| 1594 PyObject *right = POP(); | |
| 1595 PyObject *left = TOP(); | |
| 1596 PyObject *res = PyNumber_And(left, right); | |
| 1597 Py_DECREF(left); | |
| 1598 Py_DECREF(right); | |
| 1599 SET_TOP(res); | |
| 1600 if (res == NULL) | |
| 1601 goto error; | |
| 1602 DISPATCH(); | |
| 1603 } | |
| 1604 | |
| 1605 TARGET(BINARY_XOR) { | |
| 1606 PyObject *right = POP(); | |
| 1607 PyObject *left = TOP(); | |
| 1608 PyObject *res = PyNumber_Xor(left, right); | |
| 1609 Py_DECREF(left); | |
| 1610 Py_DECREF(right); | |
| 1611 SET_TOP(res); | |
| 1612 if (res == NULL) | |
| 1613 goto error; | |
| 1614 DISPATCH(); | |
| 1615 } | |
| 1616 | |
| 1617 TARGET(BINARY_OR) { | |
| 1618 PyObject *right = POP(); | |
| 1619 PyObject *left = TOP(); | |
| 1620 PyObject *res = PyNumber_Or(left, right); | |
| 1621 Py_DECREF(left); | |
| 1622 Py_DECREF(right); | |
| 1623 SET_TOP(res); | |
| 1624 if (res == NULL) | |
| 1625 goto error; | |
| 1626 DISPATCH(); | |
| 1627 } | |
| 1628 | |
| 1629 TARGET(LIST_APPEND) { | |
| 1630 PyObject *v = POP(); | |
| 1631 PyObject *list = PEEK(oparg); | |
| 1632 int err; | |
| 1633 err = PyList_Append(list, v); | |
|
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1634 Py_DECREF(v); |
| 79693 | 1635 if (err != 0) |
| 1636 goto error; | |
| 1637 PREDICT(JUMP_ABSOLUTE); | |
| 1638 DISPATCH(); | |
| 1639 } | |
| 1640 | |
| 1641 TARGET(SET_ADD) { | |
| 1642 PyObject *v = POP(); | |
| 1643 PyObject *set = stack_pointer[-oparg]; | |
| 1644 int err; | |
| 1645 err = PySet_Add(set, v); | |
|
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|
1646 Py_DECREF(v); |
| 79693 | 1647 if (err != 0) |
| 1648 goto error; | |
| 1649 PREDICT(JUMP_ABSOLUTE); | |
| 1650 DISPATCH(); | |
| 1651 } | |
| 1652 | |
| 1653 TARGET(INPLACE_POWER) { | |
| 1654 PyObject *exp = POP(); | |
| 1655 PyObject *base = TOP(); | |
| 1656 PyObject *res = PyNumber_InPlacePower(base, exp, Py_None); | |
| 1657 Py_DECREF(base); | |
| 1658 Py_DECREF(exp); | |
| 1659 SET_TOP(res); | |
| 1660 if (res == NULL) | |
| 1661 goto error; | |
| 1662 DISPATCH(); | |
| 1663 } | |
| 1664 | |
| 1665 TARGET(INPLACE_MULTIPLY) { | |
| 1666 PyObject *right = POP(); | |
| 1667 PyObject *left = TOP(); | |
| 1668 PyObject *res = PyNumber_InPlaceMultiply(left, right); | |
| 1669 Py_DECREF(left); | |
| 1670 Py_DECREF(right); | |
| 1671 SET_TOP(res); | |
| 1672 if (res == NULL) | |
| 1673 goto error; | |
| 1674 DISPATCH(); | |
| 1675 } | |
| 1676 | |
| 1677 TARGET(INPLACE_TRUE_DIVIDE) { | |
| 1678 PyObject *divisor = POP(); | |
| 1679 PyObject *dividend = TOP(); | |
| 1680 PyObject *quotient = PyNumber_InPlaceTrueDivide(dividend, divisor); | |
| 1681 Py_DECREF(dividend); | |
| 1682 Py_DECREF(divisor); | |
| 1683 SET_TOP(quotient); | |
| 1684 if (quotient == NULL) | |
| 1685 goto error; | |
| 1686 DISPATCH(); | |
| 1687 } | |
| 1688 | |
| 1689 TARGET(INPLACE_FLOOR_DIVIDE) { | |
| 1690 PyObject *divisor = POP(); | |
| 1691 PyObject *dividend = TOP(); | |
| 1692 PyObject *quotient = PyNumber_InPlaceFloorDivide(dividend, divisor); | |
| 1693 Py_DECREF(dividend); | |
| 1694 Py_DECREF(divisor); | |
| 1695 SET_TOP(quotient); | |
| 1696 if (quotient == NULL) | |
| 1697 goto error; | |
| 1698 DISPATCH(); | |
| 1699 } | |
| 1700 | |
| 1701 TARGET(INPLACE_MODULO) { | |
| 1702 PyObject *right = POP(); | |
| 1703 PyObject *left = TOP(); | |
| 1704 PyObject *mod = PyNumber_InPlaceRemainder(left, right); | |
| 1705 Py_DECREF(left); | |
| 1706 Py_DECREF(right); | |
| 1707 SET_TOP(mod); | |
| 1708 if (mod == NULL) | |
| 1709 goto error; | |
| 1710 DISPATCH(); | |
| 1711 } | |
| 1712 | |
| 1713 TARGET(INPLACE_ADD) { | |
| 1714 PyObject *right = POP(); | |
| 1715 PyObject *left = TOP(); | |
| 1716 PyObject *sum; | |
| 1717 if (PyUnicode_CheckExact(left) && PyUnicode_CheckExact(right)) { | |
| 1718 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
changeset
|
1719 /* unicode_concatenate consumed the ref to v */ |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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1720 } |
|
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1721 else { |
| 79693 | 1722 sum = PyNumber_InPlaceAdd(left, right); |
| 1723 Py_DECREF(left); | |
|
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1724 } |
| 79693 | 1725 Py_DECREF(right); |
| 1726 SET_TOP(sum); | |
| 1727 if (sum == NULL) | |
| 1728 goto error; | |
| 1729 DISPATCH(); | |
| 1730 } | |
| 1731 | |
| 1732 TARGET(INPLACE_SUBTRACT) { | |
| 1733 PyObject *right = POP(); | |
| 1734 PyObject *left = TOP(); | |
| 1735 PyObject *diff = PyNumber_InPlaceSubtract(left, right); | |
| 1736 Py_DECREF(left); | |
| 1737 Py_DECREF(right); | |
| 1738 SET_TOP(diff); | |
| 1739 if (diff == NULL) | |
| 1740 goto error; | |
| 1741 DISPATCH(); | |
| 1742 } | |
| 1743 | |
| 1744 TARGET(INPLACE_LSHIFT) { | |
| 1745 PyObject *right = POP(); | |
| 1746 PyObject *left = TOP(); | |
| 1747 PyObject *res = PyNumber_InPlaceLshift(left, right); | |
| 1748 Py_DECREF(left); | |
| 1749 Py_DECREF(right); | |
| 1750 SET_TOP(res); | |
| 1751 if (res == NULL) | |
| 1752 goto error; | |
| 1753 DISPATCH(); | |
| 1754 } | |
| 1755 | |
| 1756 TARGET(INPLACE_RSHIFT) { | |
| 1757 PyObject *right = POP(); | |
| 1758 PyObject *left = TOP(); | |
| 1759 PyObject *res = PyNumber_InPlaceRshift(left, right); | |
| 1760 Py_DECREF(left); | |
| 1761 Py_DECREF(right); | |
| 1762 SET_TOP(res); | |
| 1763 if (res == NULL) | |
| 1764 goto error; | |
| 1765 DISPATCH(); | |
| 1766 } | |
| 1767 | |
| 1768 TARGET(INPLACE_AND) { | |
| 1769 PyObject *right = POP(); | |
| 1770 PyObject *left = TOP(); | |
| 1771 PyObject *res = PyNumber_InPlaceAnd(left, right); | |
| 1772 Py_DECREF(left); | |
| 1773 Py_DECREF(right); | |
| 1774 SET_TOP(res); | |
| 1775 if (res == NULL) | |
| 1776 goto error; | |
| 1777 DISPATCH(); | |
| 1778 } | |
| 1779 | |
| 1780 TARGET(INPLACE_XOR) { | |
| 1781 PyObject *right = POP(); | |
| 1782 PyObject *left = TOP(); | |
| 1783 PyObject *res = PyNumber_InPlaceXor(left, right); | |
| 1784 Py_DECREF(left); | |
| 1785 Py_DECREF(right); | |
| 1786 SET_TOP(res); | |
| 1787 if (res == NULL) | |
| 1788 goto error; | |
| 1789 DISPATCH(); | |
| 1790 } | |
| 1791 | |
| 1792 TARGET(INPLACE_OR) { | |
| 1793 PyObject *right = POP(); | |
| 1794 PyObject *left = TOP(); | |
| 1795 PyObject *res = PyNumber_InPlaceOr(left, right); | |
| 1796 Py_DECREF(left); | |
| 1797 Py_DECREF(right); | |
| 1798 SET_TOP(res); | |
| 1799 if (res == NULL) | |
| 1800 goto error; | |
| 1801 DISPATCH(); | |
| 1802 } | |
| 1803 | |
| 1804 TARGET(STORE_SUBSCR) { | |
| 1805 PyObject *sub = TOP(); | |
| 1806 PyObject *container = SECOND(); | |
| 1807 PyObject *v = THIRD(); | |
| 1808 int err; | |
|
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1809 STACKADJ(-3); |
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1810 /* v[w] = u */ |
| 79693 | 1811 err = PyObject_SetItem(container, sub, v); |
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1812 Py_DECREF(v); |
| 79693 | 1813 Py_DECREF(container); |
| 1814 Py_DECREF(sub); | |
| 1815 if (err != 0) | |
| 1816 goto error; | |
| 1817 DISPATCH(); | |
| 1818 } | |
| 1819 | |
| 1820 TARGET(DELETE_SUBSCR) { | |
| 1821 PyObject *sub = TOP(); | |
| 1822 PyObject *container = SECOND(); | |
| 1823 int err; | |
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1824 STACKADJ(-2); |
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1825 /* del v[w] */ |
| 79693 | 1826 err = PyObject_DelItem(container, sub); |
| 1827 Py_DECREF(container); | |
| 1828 Py_DECREF(sub); | |
| 1829 if (err != 0) | |
| 1830 goto error; | |
| 1831 DISPATCH(); | |
| 1832 } | |
| 1833 | |
| 1834 TARGET(PRINT_EXPR) { | |
| 1835 PyObject *value = POP(); | |
| 1836 PyObject *hook = PySys_GetObject("displayhook"); | |
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1837 PyObject *res; |
| 79693 | 1838 if (hook == NULL) { |
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1839 PyErr_SetString(PyExc_RuntimeError, |
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1840 "lost sys.displayhook"); |
| 79693 | 1841 Py_DECREF(value); |
| 1842 goto error; | |
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1843 } |
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1844 res = PyObject_CallFunctionObjArgs(hook, value, NULL); |
| 79693 | 1845 Py_DECREF(value); |
| 1846 if (res == NULL) | |
| 1847 goto error; | |
| 1848 Py_DECREF(res); | |
| 1849 DISPATCH(); | |
| 1850 } | |
|
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1851 |
|
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1852 #ifdef CASE_TOO_BIG |
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1853 default: switch (opcode) { |
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1854 #endif |
| 79693 | 1855 TARGET(RAISE_VARARGS) { |
| 1856 PyObject *cause = NULL, *exc = NULL; | |
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1857 switch (oparg) { |
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1858 case 2: |
| 79693 | 1859 cause = POP(); /* cause */ |
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1860 case 1: |
| 79693 | 1861 exc = POP(); /* exc */ |
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1862 case 0: /* Fallthrough */ |
| 79693 | 1863 if (do_raise(exc, cause)) { |
| 1864 why = WHY_EXCEPTION; | |
| 1865 goto fast_block_end; | |
| 1866 } | |
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1867 break; |
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1868 default: |
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1869 PyErr_SetString(PyExc_SystemError, |
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1870 "bad RAISE_VARARGS oparg"); |
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1871 break; |
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1872 } |
| 79693 | 1873 goto error; |
| 1874 } | |
| 1875 | |
| 1876 TARGET(RETURN_VALUE) { | |
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1877 retval = POP(); |
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1878 why = WHY_RETURN; |
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1879 goto fast_block_end; |
| 79693 | 1880 } |
| 1881 | |
| 1882 TARGET(YIELD_FROM) { | |
| 1883 PyObject *v = POP(); | |
| 1884 PyObject *reciever = TOP(); | |
| 1885 int err; | |
| 1886 if (PyGen_CheckExact(reciever)) { | |
| 1887 retval = _PyGen_Send((PyGenObject *)reciever, v); | |
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1888 } else { |
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1889 _Py_IDENTIFIER(send); |
| 79693 | 1890 if (v == Py_None) |
| 1891 retval = Py_TYPE(reciever)->tp_iternext(reciever); | |
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1892 else |
| 79693 | 1893 retval = _PyObject_CallMethodId(reciever, &PyId_send, "O", v); |
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1894 } |
| 79693 | 1895 Py_DECREF(v); |
| 1896 if (retval == NULL) { | |
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1897 PyObject *val; |
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1898 err = _PyGen_FetchStopIterationValue(&val); |
| 79693 | 1899 if (err < 0) |
| 1900 goto error; | |
| 1901 Py_DECREF(reciever); | |
| 1902 SET_TOP(val); | |
| 1903 DISPATCH(); | |
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1904 } |
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1905 /* x remains on stack, retval is value to be yielded */ |
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1906 f->f_stacktop = stack_pointer; |
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1907 why = WHY_YIELD; |
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1908 /* and repeat... */ |
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1909 f->f_lasti--; |
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1910 goto fast_yield; |
| 79693 | 1911 } |
| 1912 | |
| 1913 TARGET(YIELD_VALUE) { | |
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1914 retval = POP(); |
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1915 f->f_stacktop = stack_pointer; |
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1916 why = WHY_YIELD; |
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1917 goto fast_yield; |
| 79693 | 1918 } |
| 1919 | |
| 1920 TARGET(POP_EXCEPT) { | |
| 1921 PyTryBlock *b = PyFrame_BlockPop(f); | |
| 1922 if (b->b_type != EXCEPT_HANDLER) { | |
| 1923 PyErr_SetString(PyExc_SystemError, | |
| 1924 "popped block is not an except handler"); | |
| 1925 goto error; | |
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1926 } |
| 79693 | 1927 UNWIND_EXCEPT_HANDLER(b); |
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1928 DISPATCH(); |
| 79693 | 1929 } |
| 1930 | |
| 1931 TARGET(POP_BLOCK) { | |
| 1932 PyTryBlock *b = PyFrame_BlockPop(f); | |
| 1933 UNWIND_BLOCK(b); | |
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1934 DISPATCH(); |
| 79693 | 1935 } |
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1936 |
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1937 PREDICTED(END_FINALLY); |
| 79693 | 1938 TARGET(END_FINALLY) { |
| 1939 PyObject *status = POP(); | |
| 1940 if (PyLong_Check(status)) { | |
| 1941 why = (enum why_code) PyLong_AS_LONG(status); | |
| 1942 assert(why != WHY_YIELD && why != WHY_EXCEPTION); | |
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1943 if (why == WHY_RETURN || |
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1944 why == WHY_CONTINUE) |
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1945 retval = POP(); |
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1946 if (why == WHY_SILENCED) { |
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1947 /* An exception was silenced by 'with', we must |
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1948 manually unwind the EXCEPT_HANDLER block which was |
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1949 created when the exception was caught, otherwise |
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1950 the stack will be in an inconsistent state. */ |
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1951 PyTryBlock *b = PyFrame_BlockPop(f); |
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1952 assert(b->b_type == EXCEPT_HANDLER); |
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1953 UNWIND_EXCEPT_HANDLER(b); |
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1954 why = WHY_NOT; |
| 79693 | 1955 Py_DECREF(status); |
| 1956 DISPATCH(); | |
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1957 } |
| 79693 | 1958 Py_DECREF(status); |
| 1959 goto fast_block_end; | |
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1960 } |
| 79693 | 1961 else if (PyExceptionClass_Check(status)) { |
| 1962 PyObject *exc = POP(); | |
| 1963 PyObject *tb = POP(); | |
| 1964 PyErr_Restore(status, exc, tb); | |
| 1965 why = WHY_EXCEPTION; | |
| 1966 goto fast_block_end; | |
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1967 } |
| 79693 | 1968 else if (status != Py_None) { |
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1969 PyErr_SetString(PyExc_SystemError, |
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1970 "'finally' pops bad exception"); |
| 79693 | 1971 Py_DECREF(status); |
| 1972 goto error; | |
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1973 } |
| 79693 | 1974 Py_DECREF(status); |
| 1975 DISPATCH(); | |
| 1976 } | |
| 1977 | |
| 1978 TARGET(LOAD_BUILD_CLASS) { | |
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1979 _Py_IDENTIFIER(__build_class__); |
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1980 |
| 79693 | 1981 PyObject *bc; |
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1982 if (PyDict_CheckExact(f->f_builtins)) { |
| 79693 | 1983 bc = _PyDict_GetItemId(f->f_builtins, &PyId___build_class__); |
| 1984 if (bc == NULL) { | |
|
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Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
changeset
|
1985 PyErr_SetString(PyExc_NameError, |
|
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Issue #14385: Support other types than dict for __builtins__
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parents:
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diff
changeset
|
1986 "__build_class__ not found"); |
| 79693 | 1987 goto error; |
|
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Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
1988 } |
| 79693 | 1989 Py_INCREF(bc); |
|
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parents:
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diff
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|
1990 } |
|
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parents:
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diff
changeset
|
1991 else { |
|
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Issue #14385: Support other types than dict for __builtins__
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parents:
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diff
changeset
|
1992 PyObject *build_class_str = _PyUnicode_FromId(&PyId___build_class__); |
|
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Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
changeset
|
1993 if (build_class_str == NULL) |
|
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Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
changeset
|
1994 break; |
| 79693 | 1995 bc = PyObject_GetItem(f->f_builtins, build_class_str); |
| 1996 if (bc == NULL) { | |
|
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Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
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|
1997 if (PyErr_ExceptionMatches(PyExc_KeyError)) |
|
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Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
changeset
|
1998 PyErr_SetString(PyExc_NameError, |
|
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parents:
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diff
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|
1999 "__build_class__ not found"); |
| 79693 | 2000 goto error; |
|
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Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
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|
2001 } |
|
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|
2002 } |
| 79693 | 2003 PUSH(bc); |
| 2004 DISPATCH(); | |
|
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c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75852
diff
changeset
|
2005 } |
|
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|
2006 |
| 79693 | 2007 TARGET(STORE_NAME) { |
| 2008 PyObject *name = GETITEM(names, oparg); | |
| 2009 PyObject *v = POP(); | |
| 2010 PyObject *ns = f->f_locals; | |
| 2011 int err; | |
| 2012 if (ns == NULL) { | |
| 2013 PyErr_Format(PyExc_SystemError, | |
| 2014 "no locals found when storing %R", name); | |
|
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|
2015 Py_DECREF(v); |
| 79693 | 2016 goto error; |
|
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|
2017 } |
| 79693 | 2018 if (PyDict_CheckExact(ns)) |
| 2019 err = PyDict_SetItem(ns, name, v); | |
| 2020 else | |
| 2021 err = PyObject_SetItem(ns, name, v); | |
| 2022 Py_DECREF(v); | |
| 2023 if (err != 0) | |
| 2024 goto error; | |
|
79650
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2025 DISPATCH(); |
|
75959
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Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
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diff
changeset
|
2026 } |
|
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|
2027 |
| 79693 | 2028 TARGET(DELETE_NAME) { |
| 2029 PyObject *name = GETITEM(names, oparg); | |
| 2030 PyObject *ns = f->f_locals; | |
| 2031 int err; | |
| 2032 if (ns == NULL) { | |
| 2033 PyErr_Format(PyExc_SystemError, | |
| 2034 "no locals when deleting %R", name); | |
| 2035 goto error; | |
|
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|
2036 } |
| 79693 | 2037 err = PyObject_DelItem(ns, name); |
| 2038 if (err != 0) { | |
| 2039 format_exc_check_arg(PyExc_NameError, | |
| 2040 NAME_ERROR_MSG, | |
| 2041 name); | |
| 2042 goto error; | |
|
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diff
changeset
|
2043 } |
| 79693 | 2044 DISPATCH(); |
| 2045 } | |
|
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changeset
|
2046 |
|
f197407bdba2
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parents:
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diff
changeset
|
2047 PREDICTED_WITH_ARG(UNPACK_SEQUENCE); |
| 79693 | 2048 TARGET(UNPACK_SEQUENCE) { |
| 2049 PyObject *seq = POP(), *item, **items; | |
| 2050 if (PyTuple_CheckExact(seq) && | |
| 2051 PyTuple_GET_SIZE(seq) == oparg) { | |
| 2052 items = ((PyTupleObject *)seq)->ob_item; | |
|
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59858
diff
changeset
|
2053 while (oparg--) { |
| 79693 | 2054 item = items[oparg]; |
| 2055 Py_INCREF(item); | |
| 2056 PUSH(item); | |
|
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|
2057 } |
| 79693 | 2058 } else if (PyList_CheckExact(seq) && |
| 2059 PyList_GET_SIZE(seq) == oparg) { | |
| 2060 items = ((PyListObject *)seq)->ob_item; | |
|
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changeset
|
2061 while (oparg--) { |
| 79693 | 2062 item = items[oparg]; |
| 2063 Py_INCREF(item); | |
| 2064 PUSH(item); | |
|
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diff
changeset
|
2065 } |
| 79693 | 2066 } else if (unpack_iterable(seq, oparg, -1, |
|
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|
2067 stack_pointer + oparg)) { |
|
61466
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
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diff
changeset
|
2068 STACKADJ(oparg); |
|
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diff
changeset
|
2069 } else { |
|
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diff
changeset
|
2070 /* unpack_iterable() raised an exception */ |
| 79693 | 2071 Py_DECREF(seq); |
| 2072 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2073 } |
| 79693 | 2074 Py_DECREF(seq); |
|
79650
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2075 DISPATCH(); |
| 79693 | 2076 } |
| 2077 | |
| 2078 TARGET(UNPACK_EX) { | |
|
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diff
changeset
|
2079 int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8); |
| 79693 | 2080 PyObject *seq = POP(); |
| 2081 | |
| 2082 if (unpack_iterable(seq, oparg & 0xFF, oparg >> 8, | |
|
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|
2083 stack_pointer + totalargs)) { |
|
f197407bdba2
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|
2084 stack_pointer += totalargs; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2085 } else { |
| 79693 | 2086 Py_DECREF(seq); |
| 2087 goto error; | |
|
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59858
diff
changeset
|
2088 } |
| 79693 | 2089 Py_DECREF(seq); |
| 2090 DISPATCH(); | |
|
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changeset
|
2091 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2092 |
| 79693 | 2093 TARGET(STORE_ATTR) { |
| 2094 PyObject *name = GETITEM(names, oparg); | |
| 2095 PyObject *owner = TOP(); | |
| 2096 PyObject *v = SECOND(); | |
| 2097 int err; | |
|
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diff
changeset
|
2098 STACKADJ(-2); |
| 79693 | 2099 err = PyObject_SetAttr(owner, name, v); |
|
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diff
changeset
|
2100 Py_DECREF(v); |
| 79693 | 2101 Py_DECREF(owner); |
| 2102 if (err != 0) | |
| 2103 goto error; | |
| 2104 DISPATCH(); | |
| 2105 } | |
| 2106 | |
| 2107 TARGET(DELETE_ATTR) { | |
| 2108 PyObject *name = GETITEM(names, oparg); | |
| 2109 PyObject *owner = POP(); | |
| 2110 int err; | |
| 2111 err = PyObject_SetAttr(owner, name, (PyObject *)NULL); | |
| 2112 Py_DECREF(owner); | |
| 2113 if (err != 0) | |
| 2114 goto error; | |
|
79650
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2115 DISPATCH(); |
|
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2116 } |
|
f197407bdba2
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parents:
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diff
changeset
|
2117 |
| 79693 | 2118 TARGET(STORE_GLOBAL) { |
| 2119 PyObject *name = GETITEM(names, oparg); | |
| 2120 PyObject *v = POP(); | |
| 2121 int err; | |
| 2122 err = PyDict_SetItem(f->f_globals, name, v); | |
|
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parents:
59858
diff
changeset
|
2123 Py_DECREF(v); |
| 79693 | 2124 if (err != 0) |
| 2125 goto error; | |
| 2126 DISPATCH(); | |
| 2127 } | |
| 2128 | |
| 2129 TARGET(DELETE_GLOBAL) { | |
| 2130 PyObject *name = GETITEM(names, oparg); | |
| 2131 int err; | |
| 2132 err = PyDict_DelItem(f->f_globals, name); | |
| 2133 if (err != 0) { | |
|
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diff
changeset
|
2134 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
|
2135 PyExc_NameError, NAME_ERROR_MSG, name); |
| 79693 | 2136 goto error; |
|
79650
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2137 } |
|
5a13f9b842b1
add some missing DISPATCH()
Benjamin Peterson <benjamin@python.org>
parents:
78458
diff
changeset
|
2138 DISPATCH(); |
| 79693 | 2139 } |
| 2140 | |
| 2141 TARGET(LOAD_NAME) { | |
| 2142 PyObject *name = GETITEM(names, oparg); | |
| 2143 PyObject *locals = f->f_locals; | |
| 2144 PyObject *v; | |
| 2145 if (locals == NULL) { | |
|
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parents:
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diff
changeset
|
2146 PyErr_Format(PyExc_SystemError, |
| 79693 | 2147 "no locals when loading %R", name); |
| 2148 goto error; | |
|
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parents:
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diff
changeset
|
2149 } |
| 79693 | 2150 if (PyDict_CheckExact(locals)) { |
| 2151 v = PyDict_GetItem(locals, name); | |
| 2152 Py_XINCREF(v); | |
|
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diff
changeset
|
2153 } |
|
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diff
changeset
|
2154 else { |
| 79693 | 2155 v = PyObject_GetItem(locals, name); |
| 2156 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
|
2157 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
|
2158 goto error; |
|
61467
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parents:
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diff
changeset
|
2159 PyErr_Clear(); |
|
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|
2160 } |
|
f197407bdba2
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parents:
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diff
changeset
|
2161 } |
| 79693 | 2162 if (v == NULL) { |
| 2163 v = PyDict_GetItem(f->f_globals, name); | |
| 2164 Py_XINCREF(v); | |
| 2165 if (v == NULL) { | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2166 if (PyDict_CheckExact(f->f_builtins)) { |
| 79693 | 2167 v = PyDict_GetItem(f->f_builtins, name); |
| 2168 if (v == NULL) { | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2169 format_exc_check_arg( |
|
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2170 PyExc_NameError, |
| 79693 | 2171 NAME_ERROR_MSG, name); |
| 2172 goto error; | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2173 } |
| 79693 | 2174 Py_INCREF(v); |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2175 } |
|
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2176 else { |
| 79693 | 2177 v = PyObject_GetItem(f->f_builtins, name); |
| 2178 if (v == NULL) { | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2179 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
|
2180 format_exc_check_arg( |
|
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2181 PyExc_NameError, |
| 79693 | 2182 NAME_ERROR_MSG, name); |
| 2183 goto error; | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2184 } |
|
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changeset
|
2185 } |
|
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changeset
|
2186 } |
|
f197407bdba2
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parents:
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diff
changeset
|
2187 } |
| 79693 | 2188 PUSH(v); |
|
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Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2189 DISPATCH(); |
| 79693 | 2190 } |
| 2191 | |
| 2192 TARGET(LOAD_GLOBAL) { | |
| 2193 PyObject *name = GETITEM(names, oparg); | |
| 2194 PyObject *v; | |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2195 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
|
2196 && PyDict_CheckExact(f->f_builtins)) { |
| 79693 | 2197 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
|
2198 (PyDictObject *)f->f_builtins, |
| 79693 | 2199 name); |
| 2200 if (v == NULL) { | |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2201 if (!PyErr_Occurred()) |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2202 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
|
2203 NAME_ERROR_MSG, name); |
| 79693 | 2204 goto error; |
|
76411
e3ab8aa0216c
Issue #14385: Support other types than dict for __builtins__
Victor Stinner <victor.stinner@gmail.com>
parents:
76072
diff
changeset
|
2205 } |
| 79693 | 2206 Py_INCREF(v); |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2207 } |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2208 else { |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2209 /* Slow-path if globals or builtins is not a dict */ |
| 79693 | 2210 v = PyObject_GetItem(f->f_globals, name); |
| 2211 if (v == NULL) { | |
| 2212 v = PyObject_GetItem(f->f_builtins, name); | |
| 2213 if (v == NULL) { | |
|
76485
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2214 if (PyErr_ExceptionMatches(PyExc_KeyError)) |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2215 format_exc_check_arg( |
|
6e5855854a2e
Implement PEP 412: Key-sharing dictionaries (closes #13903)
Benjamin Peterson <benjamin@python.org>
parents:
76419
diff
changeset
|
2216 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
|
2217 NAME_ERROR_MSG, name); |
| 79693 | 2218 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2219 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2220 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2221 } |
| 79693 | 2222 PUSH(v); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2223 DISPATCH(); |
| 79693 | 2224 } |
| 2225 | |
| 2226 TARGET(DELETE_FAST) { | |
| 2227 PyObject *v = GETLOCAL(oparg); | |
| 2228 if (v != NULL) { | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2229 SETLOCAL(oparg, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2230 DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2231 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2232 format_exc_check_arg( |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2233 PyExc_UnboundLocalError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2234 UNBOUNDLOCAL_ERROR_MSG, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2235 PyTuple_GetItem(co->co_varnames, oparg) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2236 ); |
| 79693 | 2237 goto error; |
| 2238 } | |
| 2239 | |
| 2240 TARGET(DELETE_DEREF) { | |
| 2241 PyObject *cell = freevars[oparg]; | |
| 2242 if (PyCell_GET(cell) != NULL) { | |
| 2243 PyCell_Set(cell, NULL); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2244 DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2245 } |
| 79693 | 2246 format_exc_unbound(co, oparg); |
| 2247 goto error; | |
| 2248 } | |
| 2249 | |
| 2250 TARGET(LOAD_CLOSURE) { | |
| 2251 PyObject *cell = freevars[oparg]; | |
| 2252 Py_INCREF(cell); | |
| 2253 PUSH(cell); | |
| 2254 DISPATCH(); | |
| 2255 } | |
| 2256 | |
|
83572
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2257 TARGET(LOAD_CLASSDEREF) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2258 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
|
2259 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
|
2260 assert(locals); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2261 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
|
2262 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
|
2263 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
|
2264 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
|
2265 if (PyDict_CheckExact(locals)) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2266 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
|
2267 Py_XINCREF(value); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2268 } |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2269 else { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2270 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
|
2271 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
|
2272 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
|
2273 goto error; |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2274 PyErr_Clear(); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2275 } |
|
83572
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 if (!value) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2278 PyObject *cell = freevars[oparg]; |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2279 value = PyCell_GET(cell); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2280 if (value == NULL) { |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2281 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
|
2282 goto error; |
|
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 Py_INCREF(value); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2285 } |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2286 PUSH(value); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2287 DISPATCH(); |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2288 } |
|
cf65c7a75f55
check local class namespace before reaching for cells (closes #17853)
Benjamin Peterson <benjamin@python.org>
parents:
83456
diff
changeset
|
2289 |
| 79693 | 2290 TARGET(LOAD_DEREF) { |
| 2291 PyObject *cell = freevars[oparg]; | |
| 2292 PyObject *value = PyCell_GET(cell); | |
| 2293 if (value == NULL) { | |
| 2294 format_exc_unbound(co, oparg); | |
| 2295 goto error; | |
| 2296 } | |
| 2297 Py_INCREF(value); | |
| 2298 PUSH(value); | |
| 2299 DISPATCH(); | |
| 2300 } | |
| 2301 | |
| 2302 TARGET(STORE_DEREF) { | |
| 2303 PyObject *v = POP(); | |
| 2304 PyObject *cell = freevars[oparg]; | |
| 2305 PyCell_Set(cell, v); | |
| 2306 Py_DECREF(v); | |
| 2307 DISPATCH(); | |
| 2308 } | |
| 2309 | |
| 2310 TARGET(BUILD_TUPLE) { | |
| 2311 PyObject *tup = PyTuple_New(oparg); | |
| 2312 if (tup == NULL) | |
| 2313 goto error; | |
| 2314 while (--oparg >= 0) { | |
| 2315 PyObject *item = POP(); | |
| 2316 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
|
2317 } |
| 79693 | 2318 PUSH(tup); |
| 2319 DISPATCH(); | |
| 2320 } | |
| 2321 | |
| 2322 TARGET(BUILD_LIST) { | |
| 2323 PyObject *list = PyList_New(oparg); | |
| 2324 if (list == NULL) | |
| 2325 goto error; | |
| 2326 while (--oparg >= 0) { | |
| 2327 PyObject *item = POP(); | |
| 2328 PyList_SET_ITEM(list, oparg, item); | |
| 2329 } | |
| 2330 PUSH(list); | |
| 2331 DISPATCH(); | |
| 2332 } | |
| 2333 | |
| 2334 TARGET(BUILD_SET) { | |
| 2335 PyObject *set = PySet_New(NULL); | |
| 2336 int err = 0; | |
| 2337 if (set == NULL) | |
| 2338 goto error; | |
| 2339 while (--oparg >= 0) { | |
| 2340 PyObject *item = POP(); | |
| 2341 if (err == 0) | |
| 2342 err = PySet_Add(set, item); | |
| 2343 Py_DECREF(item); | |
| 2344 } | |
| 2345 if (err != 0) { | |
| 2346 Py_DECREF(set); | |
| 2347 goto error; | |
| 2348 } | |
| 2349 PUSH(set); | |
| 2350 DISPATCH(); | |
| 2351 } | |
| 2352 | |
| 2353 TARGET(BUILD_MAP) { | |
| 2354 PyObject *map = _PyDict_NewPresized((Py_ssize_t)oparg); | |
| 2355 if (map == NULL) | |
| 2356 goto error; | |
| 2357 PUSH(map); | |
| 2358 DISPATCH(); | |
| 2359 } | |
| 2360 | |
| 2361 TARGET(STORE_MAP) { | |
| 2362 PyObject *key = TOP(); | |
| 2363 PyObject *value = SECOND(); | |
| 2364 PyObject *map = THIRD(); | |
| 2365 int err; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2366 STACKADJ(-2); |
| 79693 | 2367 assert(PyDict_CheckExact(map)); |
| 2368 err = PyDict_SetItem(map, key, value); | |
| 2369 Py_DECREF(value); | |
| 2370 Py_DECREF(key); | |
| 2371 if (err != 0) | |
| 2372 goto error; | |
| 2373 DISPATCH(); | |
| 2374 } | |
| 2375 | |
| 2376 TARGET(MAP_ADD) { | |
| 2377 PyObject *key = TOP(); | |
| 2378 PyObject *value = SECOND(); | |
| 2379 PyObject *map; | |
| 2380 int err; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2381 STACKADJ(-2); |
| 79693 | 2382 map = stack_pointer[-oparg]; /* dict */ |
| 2383 assert(PyDict_CheckExact(map)); | |
| 2384 err = PyDict_SetItem(map, key, value); /* v[w] = u */ | |
| 2385 Py_DECREF(value); | |
| 2386 Py_DECREF(key); | |
| 2387 if (err != 0) | |
| 2388 goto error; | |
| 2389 PREDICT(JUMP_ABSOLUTE); | |
| 2390 DISPATCH(); | |
| 2391 } | |
| 2392 | |
| 2393 TARGET(LOAD_ATTR) { | |
| 2394 PyObject *name = GETITEM(names, oparg); | |
| 2395 PyObject *owner = TOP(); | |
| 2396 PyObject *res = PyObject_GetAttr(owner, name); | |
| 2397 Py_DECREF(owner); | |
| 2398 SET_TOP(res); | |
| 2399 if (res == NULL) | |
| 2400 goto error; | |
| 2401 DISPATCH(); | |
| 2402 } | |
| 2403 | |
| 2404 TARGET(COMPARE_OP) { | |
| 2405 PyObject *right = POP(); | |
| 2406 PyObject *left = TOP(); | |
| 2407 PyObject *res = cmp_outcome(oparg, left, right); | |
| 2408 Py_DECREF(left); | |
| 2409 Py_DECREF(right); | |
| 2410 SET_TOP(res); | |
| 2411 if (res == NULL) | |
| 2412 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2413 PREDICT(POP_JUMP_IF_FALSE); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2414 PREDICT(POP_JUMP_IF_TRUE); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2415 DISPATCH(); |
| 79693 | 2416 } |
| 2417 | |
| 2418 TARGET(IMPORT_NAME) { | |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75852
diff
changeset
|
2419 _Py_IDENTIFIER(__import__); |
| 79693 | 2420 PyObject *name = GETITEM(names, oparg); |
| 2421 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
|
2422 PyObject *from, *level, *args, *res; |
| 79693 | 2423 if (func == NULL) { |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2424 PyErr_SetString(PyExc_ImportError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2425 "__import__ not found"); |
| 79693 | 2426 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2427 } |
| 79693 | 2428 Py_INCREF(func); |
| 2429 from = POP(); | |
| 2430 level = TOP(); | |
| 2431 if (PyLong_AsLong(level) != -1 || PyErr_Occurred()) | |
| 2432 args = PyTuple_Pack(5, | |
| 2433 name, | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2434 f->f_globals, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2435 f->f_locals == NULL ? |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2436 Py_None : f->f_locals, |
| 79693 | 2437 from, |
| 2438 level); | |
|
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
|
2439 else |
| 79693 | 2440 args = PyTuple_Pack(4, |
| 2441 name, | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2442 f->f_globals, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2443 f->f_locals == NULL ? |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2444 Py_None : f->f_locals, |
| 79693 | 2445 from); |
| 2446 Py_DECREF(level); | |
| 2447 Py_DECREF(from); | |
| 2448 if (args == NULL) { | |
| 2449 Py_DECREF(func); | |
| 2450 STACKADJ(-1); | |
| 2451 goto error; | |
|
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Antoine Pitrou <solipsis@pitrou.net>
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diff
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|
2452 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2453 READ_TIMESTAMP(intr0); |
|
79695
fb40d0ab0c77
move more variable declarations to the top of blocks
Benjamin Peterson <benjamin@python.org>
parents:
79694
diff
changeset
|
2454 res = PyEval_CallObject(func, args); |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2455 READ_TIMESTAMP(intr1); |
| 79693 | 2456 Py_DECREF(args); |
| 2457 Py_DECREF(func); | |
| 2458 SET_TOP(res); | |
| 2459 if (res == NULL) | |
| 2460 goto error; | |
| 2461 DISPATCH(); | |
|
75959
c67f3681e032
Issue #14383: Add _PyDict_GetItemId() and _PyDict_SetItemId() functions
Victor Stinner <victor.stinner@gmail.com>
parents:
75852
diff
changeset
|
2462 } |
|
61467
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diff
changeset
|
2463 |
| 79693 | 2464 TARGET(IMPORT_STAR) { |
| 2465 PyObject *from = POP(), *locals; | |
| 2466 int err; | |
|
61467
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diff
changeset
|
2467 PyFrame_FastToLocals(f); |
| 79693 | 2468 locals = f->f_locals; |
| 2469 if (locals == NULL) { | |
|
61467
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diff
changeset
|
2470 PyErr_SetString(PyExc_SystemError, |
|
f197407bdba2
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diff
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|
2471 "no locals found during 'import *'"); |
| 79693 | 2472 goto error; |
|
61467
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diff
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|
2473 } |
|
f197407bdba2
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diff
changeset
|
2474 READ_TIMESTAMP(intr0); |
| 79693 | 2475 err = import_all_from(locals, from); |
|
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diff
changeset
|
2476 READ_TIMESTAMP(intr1); |
|
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diff
changeset
|
2477 PyFrame_LocalsToFast(f, 0); |
| 79693 | 2478 Py_DECREF(from); |
| 2479 if (err != 0) | |
| 2480 goto error; | |
| 2481 DISPATCH(); | |
| 2482 } | |
| 2483 | |
| 2484 TARGET(IMPORT_FROM) { | |
| 2485 PyObject *name = GETITEM(names, oparg); | |
| 2486 PyObject *from = TOP(); | |
| 2487 PyObject *res; | |
|
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diff
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|
2488 READ_TIMESTAMP(intr0); |
| 79693 | 2489 res = import_from(from, name); |
|
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diff
changeset
|
2490 READ_TIMESTAMP(intr1); |
| 79693 | 2491 PUSH(res); |
| 2492 if (res == NULL) | |
| 2493 goto error; | |
| 2494 DISPATCH(); | |
| 2495 } | |
| 2496 | |
| 2497 TARGET(JUMP_FORWARD) { | |
|
61467
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diff
changeset
|
2498 JUMPBY(oparg); |
|
f197407bdba2
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diff
changeset
|
2499 FAST_DISPATCH(); |
| 79693 | 2500 } |
|
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|
2501 |
|
f197407bdba2
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diff
changeset
|
2502 PREDICTED_WITH_ARG(POP_JUMP_IF_FALSE); |
| 79693 | 2503 TARGET(POP_JUMP_IF_FALSE) { |
| 2504 PyObject *cond = POP(); | |
| 2505 int err; | |
| 2506 if (cond == Py_True) { | |
| 2507 Py_DECREF(cond); | |
|
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|
2508 FAST_DISPATCH(); |
|
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diff
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|
2509 } |
| 79693 | 2510 if (cond == Py_False) { |
| 2511 Py_DECREF(cond); | |
|
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|
2512 JUMPTO(oparg); |
|
f197407bdba2
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|
2513 FAST_DISPATCH(); |
|
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|
2514 } |
| 79693 | 2515 err = PyObject_IsTrue(cond); |
| 2516 Py_DECREF(cond); | |
|
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|
2517 if (err > 0) |
|
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|
2518 err = 0; |
|
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|
2519 else if (err == 0) |
|
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|
2520 JUMPTO(oparg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
2521 else |
| 79693 | 2522 goto error; |
|
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|
2523 DISPATCH(); |
| 79693 | 2524 } |
|
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|
2525 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2526 PREDICTED_WITH_ARG(POP_JUMP_IF_TRUE); |
| 79693 | 2527 TARGET(POP_JUMP_IF_TRUE) { |
| 2528 PyObject *cond = POP(); | |
| 2529 int err; | |
| 2530 if (cond == Py_False) { | |
| 2531 Py_DECREF(cond); | |
|
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|
2532 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2533 } |
| 79693 | 2534 if (cond == Py_True) { |
| 2535 Py_DECREF(cond); | |
|
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|
2536 JUMPTO(oparg); |
|
f197407bdba2
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|
2537 FAST_DISPATCH(); |
|
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diff
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|
2538 } |
| 79693 | 2539 err = PyObject_IsTrue(cond); |
| 2540 Py_DECREF(cond); | |
|
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|
2541 if (err > 0) { |
|
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|
2542 err = 0; |
|
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|
2543 JUMPTO(oparg); |
|
f197407bdba2
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|
2544 } |
|
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|
2545 else if (err == 0) |
|
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|
2546 ; |
|
f197407bdba2
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|
2547 else |
| 79693 | 2548 goto error; |
|
61467
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diff
changeset
|
2549 DISPATCH(); |
| 79693 | 2550 } |
| 2551 | |
| 2552 TARGET(JUMP_IF_FALSE_OR_POP) { | |
| 2553 PyObject *cond = TOP(); | |
| 2554 int err; | |
| 2555 if (cond == Py_True) { | |
|
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changeset
|
2556 STACKADJ(-1); |
| 79693 | 2557 Py_DECREF(cond); |
|
61467
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|
2558 FAST_DISPATCH(); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
2559 } |
| 79693 | 2560 if (cond == Py_False) { |
|
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|
2561 JUMPTO(oparg); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
2562 FAST_DISPATCH(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
2563 } |
| 79693 | 2564 err = PyObject_IsTrue(cond); |
|
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|
2565 if (err > 0) { |
|
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|
2566 STACKADJ(-1); |
| 79693 | 2567 Py_DECREF(cond); |
|
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|
2568 err = 0; |
|
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|
2569 } |
|
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Antoine Pitrou <solipsis@pitrou.net>
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|
2570 else if (err == 0) |
|
f197407bdba2
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|
2571 JUMPTO(oparg); |
|
f197407bdba2
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|
2572 else |
| 79693 | 2573 goto error; |
|
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changeset
|
2574 DISPATCH(); |
| 79693 | 2575 } |
| 2576 | |
| 2577 TARGET(JUMP_IF_TRUE_OR_POP) { | |
| 2578 PyObject *cond = TOP(); | |
| 2579 int err; | |
| 2580 if (cond == Py_False) { | |
|
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|
2581 STACKADJ(-1); |
| 79693 | 2582 Py_DECREF(cond); |
|
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|
2583 FAST_DISPATCH(); |
|
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|
2584 } |
| 79693 | 2585 if (cond == Py_True) { |
|
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|
2586 JUMPTO(oparg); |
|
f197407bdba2
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|
2587 FAST_DISPATCH(); |
|
f197407bdba2
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|
2588 } |
| 79693 | 2589 err = PyObject_IsTrue(cond); |
|
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|
2590 if (err > 0) { |
|
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|
2591 err = 0; |
|
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|
2592 JUMPTO(oparg); |
|
f197407bdba2
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|
2593 } |
|
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|
2594 else if (err == 0) { |
|
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|
2595 STACKADJ(-1); |
| 79693 | 2596 Py_DECREF(cond); |
|
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|
2597 } |
|
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|
2598 else |
| 79693 | 2599 goto error; |
|
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|
2600 DISPATCH(); |
| 79693 | 2601 } |
|
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|
2602 |
|
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changeset
|
2603 PREDICTED_WITH_ARG(JUMP_ABSOLUTE); |
| 79693 | 2604 TARGET(JUMP_ABSOLUTE) { |
|
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|
2605 JUMPTO(oparg); |
|
43815
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Guido van Rossum <guido@python.org>
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|
2606 #if FAST_LOOPS |
|
61467
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|
2607 /* Enabling this path speeds-up all while and for-loops by bypassing |
|
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|
2608 the per-loop checks for signals. By default, this should be turned-off |
|
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|
2609 because it prevents detection of a control-break in tight loops like |
|
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|
2610 "while 1: pass". Compile with this option turned-on when you need |
|
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|
2611 the speed-up and do not need break checking inside tight loops (ones |
|
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|
2612 that contain only instructions ending with FAST_DISPATCH). |
|
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|
2613 */ |
|
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|
2614 FAST_DISPATCH(); |
|
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|
2615 #else |
|
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|
2616 DISPATCH(); |
|
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|
2617 #endif |
| 79693 | 2618 } |
| 2619 | |
| 2620 TARGET(GET_ITER) { | |
|
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|
2621 /* before: [obj]; after [getiter(obj)] */ |
| 79693 | 2622 PyObject *iterable = TOP(); |
| 2623 PyObject *iter = PyObject_GetIter(iterable); | |
| 2624 Py_DECREF(iterable); | |
| 2625 SET_TOP(iter); | |
| 2626 if (iter == NULL) | |
| 2627 goto error; | |
| 2628 PREDICT(FOR_ITER); | |
| 2629 DISPATCH(); | |
| 2630 } | |
|
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|
2631 |
|
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|
2632 PREDICTED_WITH_ARG(FOR_ITER); |
| 79693 | 2633 TARGET(FOR_ITER) { |
|
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2634 /* before: [iter]; after: [iter, iter()] *or* [] */ |
| 79693 | 2635 PyObject *iter = TOP(); |
| 2636 PyObject *next = (*iter->ob_type->tp_iternext)(iter); | |
| 2637 if (next != NULL) { | |
| 2638 PUSH(next); | |
|
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|
2639 PREDICT(STORE_FAST); |
|
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|
2640 PREDICT(UNPACK_SEQUENCE); |
|
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|
2641 DISPATCH(); |
|
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2642 } |
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2643 if (PyErr_Occurred()) { |
| 79693 | 2644 if (!PyErr_ExceptionMatches(PyExc_StopIteration)) |
| 2645 goto error; | |
|
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|
2646 PyErr_Clear(); |
|
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2647 } |
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|
2648 /* iterator ended normally */ |
| 79693 | 2649 STACKADJ(-1); |
| 2650 Py_DECREF(iter); | |
|
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|
2651 JUMPBY(oparg); |
|
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|
2652 DISPATCH(); |
| 79693 | 2653 } |
| 2654 | |
| 2655 TARGET(BREAK_LOOP) { | |
|
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|
2656 why = WHY_BREAK; |
|
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|
2657 goto fast_block_end; |
| 79693 | 2658 } |
| 2659 | |
| 2660 TARGET(CONTINUE_LOOP) { | |
|
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2661 retval = PyLong_FromLong(oparg); |
| 79693 | 2662 if (retval == NULL) |
| 2663 goto error; | |
|
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2664 why = WHY_CONTINUE; |
|
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2665 goto fast_block_end; |
| 79693 | 2666 } |
|
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2667 |
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2668 TARGET_WITH_IMPL(SETUP_LOOP, _setup_finally) |
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2669 TARGET_WITH_IMPL(SETUP_EXCEPT, _setup_finally) |
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2670 TARGET(SETUP_FINALLY) |
| 79693 | 2671 _setup_finally: { |
|
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2672 /* NOTE: If you add any new block-setup opcodes that |
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2673 are not try/except/finally handlers, you may need |
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2674 to update the PyGen_NeedsFinalizing() function. |
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2675 */ |
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2676 |
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2677 PyFrame_BlockSetup(f, opcode, INSTR_OFFSET() + oparg, |
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2678 STACK_LEVEL()); |
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2679 DISPATCH(); |
| 79693 | 2680 } |
| 2681 | |
| 2682 TARGET(SETUP_WITH) { | |
|
74578
7d96679c5d46
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Benjamin Peterson <benjamin@python.org>
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|
2683 _Py_IDENTIFIER(__exit__); |
|
7d96679c5d46
use the static identifier api for looking up special methods
Benjamin Peterson <benjamin@python.org>
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|
2684 _Py_IDENTIFIER(__enter__); |
| 79693 | 2685 PyObject *mgr = TOP(); |
| 2686 PyObject *exit = special_lookup(mgr, &PyId___exit__), *enter; | |
| 2687 PyObject *res; | |
| 2688 if (exit == NULL) | |
| 2689 goto error; | |
| 2690 SET_TOP(exit); | |
| 2691 enter = special_lookup(mgr, &PyId___enter__); | |
| 2692 Py_DECREF(mgr); | |
| 2693 if (enter == NULL) | |
| 2694 goto error; | |
| 2695 res = PyObject_CallFunctionObjArgs(enter, NULL); | |
| 2696 Py_DECREF(enter); | |
| 2697 if (res == NULL) | |
| 2698 goto error; | |
|
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2699 /* Setup the finally block before pushing the result |
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2700 of __enter__ on the stack. */ |
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2701 PyFrame_BlockSetup(f, SETUP_FINALLY, INSTR_OFFSET() + oparg, |
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2702 STACK_LEVEL()); |
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2703 |
| 79693 | 2704 PUSH(res); |
|
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2705 DISPATCH(); |
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2706 } |
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2707 |
| 79693 | 2708 TARGET(WITH_CLEANUP) { |
|
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2709 /* At the top of the stack are 1-3 values indicating |
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2710 how/why we entered the finally clause: |
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2711 - TOP = None |
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2712 - (TOP, SECOND) = (WHY_{RETURN,CONTINUE}), retval |
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2713 - TOP = WHY_*; no retval below it |
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2714 - (TOP, SECOND, THIRD) = exc_info() |
|
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2715 (FOURTH, FITH, SIXTH) = previous exception for EXCEPT_HANDLER |
|
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2716 Below them is EXIT, the context.__exit__ bound method. |
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2717 In the last case, we must call |
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2718 EXIT(TOP, SECOND, THIRD) |
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2719 otherwise we must call |
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2720 EXIT(None, None, None) |
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2721 |
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2722 In the first two cases, we remove EXIT from the |
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2723 stack, leaving the rest in the same order. In the |
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2724 third case, we shift the bottom 3 values of the |
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2725 stack down, and replace the empty spot with NULL. |
|
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2726 |
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2727 In addition, if the stack represents an exception, |
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2728 *and* the function call returns a 'true' value, we |
|
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2729 push WHY_SILENCED onto the stack. END_FINALLY will |
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2730 then not re-raise the exception. (But non-local |
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2731 gotos should still be resumed.) |
|
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2732 */ |
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2733 |
|
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|
2734 PyObject *exit_func; |
| 79693 | 2735 PyObject *exc = TOP(), *val = Py_None, *tb = Py_None, *res; |
| 2736 int err; | |
| 2737 if (exc == Py_None) { | |
|
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2738 (void)POP(); |
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2739 exit_func = TOP(); |
| 79693 | 2740 SET_TOP(exc); |
|
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|
2741 } |
| 79693 | 2742 else if (PyLong_Check(exc)) { |
| 2743 STACKADJ(-1); | |
| 2744 switch (PyLong_AsLong(exc)) { | |
|
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2745 case WHY_RETURN: |
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2746 case WHY_CONTINUE: |
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2747 /* Retval in TOP. */ |
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2748 exit_func = SECOND(); |
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2749 SET_SECOND(TOP()); |
| 79693 | 2750 SET_TOP(exc); |
|
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2751 break; |
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2752 default: |
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2753 exit_func = TOP(); |
| 79693 | 2754 SET_TOP(exc); |
|
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2755 break; |
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2756 } |
| 79693 | 2757 exc = Py_None; |
|
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2758 } |
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2759 else { |
| 79693 | 2760 PyObject *tp2, *exc2, *tb2; |
|
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|
2761 PyTryBlock *block; |
| 79693 | 2762 val = SECOND(); |
| 2763 tb = THIRD(); | |
| 2764 tp2 = FOURTH(); | |
| 2765 exc2 = PEEK(5); | |
| 2766 tb2 = PEEK(6); | |
|
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|
2767 exit_func = PEEK(7); |
| 79693 | 2768 SET_VALUE(7, tb2); |
| 2769 SET_VALUE(6, exc2); | |
| 2770 SET_VALUE(5, tp2); | |
|
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2771 /* UNWIND_EXCEPT_HANDLER will pop this off. */ |
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2772 SET_FOURTH(NULL); |
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2773 /* We just shifted the stack down, so we have |
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2774 to tell the except handler block that the |
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2775 values are lower than it expects. */ |
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2776 block = &f->f_blockstack[f->f_iblock - 1]; |
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2777 assert(block->b_type == EXCEPT_HANDLER); |
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2778 block->b_level--; |
|
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2779 } |
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2780 /* XXX Not the fastest way to call it... */ |
| 79693 | 2781 res = PyObject_CallFunctionObjArgs(exit_func, exc, val, tb, NULL); |
|
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2782 Py_DECREF(exit_func); |
| 79693 | 2783 if (res == NULL) |
| 2784 goto error; | |
| 2785 | |
| 2786 if (exc != Py_None) | |
| 2787 err = PyObject_IsTrue(res); | |
|
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2788 else |
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|
2789 err = 0; |
| 79693 | 2790 Py_DECREF(res); |
|
61467
f197407bdba2
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diff
changeset
|
2791 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2792 if (err < 0) |
| 79693 | 2793 goto error; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2794 else if (err > 0) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2795 err = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2796 /* There was an exception and a True return */ |
|
61466
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
61186
diff
changeset
|
2797 PUSH(PyLong_FromLong((long) WHY_SILENCED)); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2798 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2799 PREDICT(END_FINALLY); |
| 79693 | 2800 DISPATCH(); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
2801 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2802 |
| 79693 | 2803 TARGET(CALL_FUNCTION) { |
| 2804 PyObject **sp, *res; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2805 PCALL(PCALL_ALL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2806 sp = stack_pointer; |
|
32301
41c59d80bbc5
Patch #510695: Add TSC profiling for the VM.
Martin v. Löwis <martin@v.loewis.de>
parents:
32247
diff
changeset
|
2807 #ifdef WITH_TSC |
| 79693 | 2808 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
|
2809 #else |
| 79693 | 2810 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
|
2811 #endif |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2812 stack_pointer = sp; |
| 79693 | 2813 PUSH(res); |
| 2814 if (res == NULL) | |
| 2815 goto error; | |
| 2816 DISPATCH(); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2817 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2818 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2819 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
|
2820 TARGET_WITH_IMPL(CALL_FUNCTION_KW, _call_function_var_kw) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2821 TARGET(CALL_FUNCTION_VAR_KW) |
| 79693 | 2822 _call_function_var_kw: { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2823 int na = oparg & 0xff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2824 int nk = (oparg>>8) & 0xff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
2825 int flags = (opcode - CALL_FUNCTION) & 3; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
2826 int n = na + 2 * nk; |
| 79693 | 2827 PyObject **pfunc, *func, **sp, *res; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2828 PCALL(PCALL_ALL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2829 if (flags & CALL_FLAG_VAR) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2830 n++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2831 if (flags & CALL_FLAG_KW) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
2832 n++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2833 pfunc = stack_pointer - n - 1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2834 func = *pfunc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2835 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
2836 if (PyMethod_Check(func) |
|
62462
0e4637ea20d0
Merged revisions 82181 via svnmerge from
Stefan Krah <stefan@bytereef.org>
parents:
61467
diff
changeset
|
2837 && PyMethod_GET_SELF(func) != NULL) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2838 PyObject *self = PyMethod_GET_SELF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2839 Py_INCREF(self); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2840 func = PyMethod_GET_FUNCTION(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2841 Py_INCREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2842 Py_DECREF(*pfunc); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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59858
diff
changeset
|
2843 *pfunc = self; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2844 na++; |
|
68102
e2f96bd29252
Issue #8914: fix various warnings from the Clang static analyzer v254.
Brett Cannon <bcannon@gmail.com>
parents:
68086
diff
changeset
|
2845 /* n++; */ |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2846 } else |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2847 Py_INCREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2848 sp = stack_pointer; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2849 READ_TIMESTAMP(intr0); |
| 79693 | 2850 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
|
2851 READ_TIMESTAMP(intr1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2852 stack_pointer = sp; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2853 Py_DECREF(func); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2854 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2855 while (stack_pointer > pfunc) { |
| 79693 | 2856 PyObject *o = POP(); |
| 2857 Py_DECREF(o); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2858 } |
| 79693 | 2859 PUSH(res); |
| 2860 if (res == NULL) | |
| 2861 goto error; | |
| 2862 DISPATCH(); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2863 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2864 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2865 TARGET_WITH_IMPL(MAKE_CLOSURE, _make_function) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2866 TARGET(MAKE_FUNCTION) |
| 79693 | 2867 _make_function: { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2868 int posdefaults = oparg & 0xff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2869 int kwdefaults = (oparg>>8) & 0xff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2870 int num_annotations = (oparg >> 16) & 0x7fff; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2871 |
| 79693 | 2872 PyObject *qualname = POP(); /* qualname */ |
| 2873 PyObject *code = POP(); /* code object */ | |
| 2874 PyObject *func = PyFunction_NewWithQualName(code, f->f_globals, qualname); | |
| 2875 Py_DECREF(code); | |
| 2876 Py_DECREF(qualname); | |
| 2877 | |
| 2878 if (func == NULL) | |
| 2879 goto error; | |
| 2880 | |
| 2881 if (opcode == MAKE_CLOSURE) { | |
| 2882 PyObject *closure = POP(); | |
| 2883 if (PyFunction_SetClosure(func, closure) != 0) { | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2884 /* Can't happen unless bytecode is corrupt. */ |
| 79693 | 2885 Py_DECREF(func); |
| 2886 Py_DECREF(closure); | |
| 2887 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2888 } |
| 79693 | 2889 Py_DECREF(closure); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2890 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2891 |
| 79693 | 2892 if (num_annotations > 0) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2893 Py_ssize_t name_ix; |
| 79693 | 2894 PyObject *names = POP(); /* names of args with annotations */ |
| 2895 PyObject *anns = PyDict_New(); | |
| 2896 if (anns == NULL) { | |
| 2897 Py_DECREF(func); | |
| 2898 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2899 } |
| 79693 | 2900 name_ix = PyTuple_Size(names); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2901 assert(num_annotations == name_ix+1); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2902 while (name_ix > 0) { |
| 79693 | 2903 PyObject *name, *value; |
| 2904 int err; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2905 --name_ix; |
| 79693 | 2906 name = PyTuple_GET_ITEM(names, name_ix); |
| 2907 value = POP(); | |
| 2908 err = PyDict_SetItem(anns, name, value); | |
| 2909 Py_DECREF(value); | |
| 2910 if (err != 0) { | |
| 2911 Py_DECREF(anns); | |
| 2912 Py_DECREF(func); | |
| 2913 goto error; | |
| 2914 } | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2915 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2916 |
| 79693 | 2917 if (PyFunction_SetAnnotations(func, anns) != 0) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2918 /* Can't happen unless |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2919 PyFunction_SetAnnotations changes. */ |
| 79693 | 2920 Py_DECREF(anns); |
| 2921 Py_DECREF(func); | |
| 2922 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2923 } |
| 79693 | 2924 Py_DECREF(anns); |
| 2925 Py_DECREF(names); | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2926 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2927 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2928 /* XXX Maybe this should be a separate opcode? */ |
| 79693 | 2929 if (kwdefaults > 0) { |
| 2930 PyObject *defs = PyDict_New(); | |
| 2931 if (defs == NULL) { | |
| 2932 Py_DECREF(func); | |
| 2933 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2934 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2935 while (--kwdefaults >= 0) { |
| 79693 | 2936 PyObject *v = POP(); /* default value */ |
| 2937 PyObject *key = POP(); /* kw only arg name */ | |
| 2938 int err = PyDict_SetItem(defs, key, v); | |
| 2939 Py_DECREF(v); | |
| 2940 Py_DECREF(key); | |
| 2941 if (err != 0) { | |
| 2942 Py_DECREF(defs); | |
| 2943 Py_DECREF(func); | |
| 2944 goto error; | |
| 2945 } | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2946 } |
| 79693 | 2947 if (PyFunction_SetKwDefaults(func, defs) != 0) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2948 /* Can't happen unless |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2949 PyFunction_SetKwDefaults changes. */ |
| 79693 | 2950 Py_DECREF(func); |
| 2951 Py_DECREF(defs); | |
| 2952 goto error; | |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
2953 } |
| 79693 | 2954 Py_DECREF(defs); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
2955 } |
|
82133
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2956 if (posdefaults > 0) { |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2957 PyObject *defs = PyTuple_New(posdefaults); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2958 if (defs == NULL) { |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2959 Py_DECREF(func); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2960 goto error; |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2961 } |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2962 while (--posdefaults >= 0) |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2963 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
|
2964 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
|
2965 /* Can't happen unless |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2966 PyFunction_SetDefaults changes. */ |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
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|
2967 Py_DECREF(defs); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
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|
2968 Py_DECREF(func); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
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|
2969 goto error; |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2970 } |
|
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evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
81677
diff
changeset
|
2971 Py_DECREF(defs); |
|
d296cf1600a8
evaluate positional defaults before keyword-only defaults (closes #16967)
Benjamin Peterson <benjamin@python.org>
parents:
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diff
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|
2972 } |
| 79693 | 2973 PUSH(func); |
| 2974 DISPATCH(); | |
|
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|
2975 } |
|
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|
2976 |
| 79693 | 2977 TARGET(BUILD_SLICE) { |
| 2978 PyObject *start, *stop, *step, *slice; | |
|
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|
2979 if (oparg == 3) |
| 79693 | 2980 step = POP(); |
|
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|
2981 else |
| 79693 | 2982 step = NULL; |
| 2983 stop = POP(); | |
| 2984 start = TOP(); | |
| 2985 slice = PySlice_New(start, stop, step); | |
| 2986 Py_DECREF(start); | |
| 2987 Py_DECREF(stop); | |
| 2988 Py_XDECREF(step); | |
| 2989 SET_TOP(slice); | |
| 2990 if (slice == NULL) | |
| 2991 goto error; | |
| 2992 DISPATCH(); | |
| 2993 } | |
| 2994 | |
| 2995 TARGET(EXTENDED_ARG) { | |
|
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|
2996 opcode = NEXTOP(); |
|
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|
2997 oparg = oparg<<16 | NEXTARG(); |
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|
2998 goto dispatch_opcode; |
| 79693 | 2999 } |
|
3839
22e29b1747e1
Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents:
3694
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|
3000 |
|
63959
e54baebbd6ff
Issue #9203: Computed gotos are now enabled by default on supported
Antoine Pitrou <solipsis@pitrou.net>
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|
3001 #if USE_COMPUTED_GOTOS |
|
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|
3002 _unknown_opcode: |
|
51031
d86e23318b41
Issue #4753: By enabling a configure option named '--with-computed-gotos'
Antoine Pitrou <solipsis@pitrou.net>
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|
3003 #endif |
|
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|
3004 default: |
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|
3005 fprintf(stderr, |
|
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|
3006 "XXX lineno: %d, opcode: %d\n", |
|
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|
3007 PyFrame_GetLineNumber(f), |
|
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|
3008 opcode); |
|
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|
3009 PyErr_SetString(PyExc_SystemError, "unknown opcode"); |
| 79693 | 3010 goto error; |
|
944
222f04f55083
Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents:
926
diff
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|
3011 |
|
222f04f55083
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Guido van Rossum <guido@python.org>
parents:
926
diff
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|
3012 #ifdef CASE_TOO_BIG |
|
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|
3013 } |
|
944
222f04f55083
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Guido van Rossum <guido@python.org>
parents:
926
diff
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|
3014 #endif |
|
222f04f55083
Changes so that user-defined classes can implement operations invoked
Guido van Rossum <guido@python.org>
parents:
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|
3015 |
|
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|
3016 } /* switch */ |
|
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|
3017 |
| 79693 | 3018 /* This should never be reached. Every opcode should end with DISPATCH() |
| 3019 or goto error. */ | |
| 3020 assert(0); | |
| 3021 | |
| 3022 error: | |
|
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|
3023 READ_TIMESTAMP(inst1); |
|
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|
3024 |
| 79693 | 3025 assert(why == WHY_NOT); |
| 3026 why = WHY_EXCEPTION; | |
| 3027 | |
| 3028 /* Double-check exception status. */ | |
| 3029 if (!PyErr_Occurred()) | |
| 3030 PyErr_SetString(PyExc_SystemError, | |
| 3031 "error return without exception set"); | |
| 3032 | |
| 3033 /* Log traceback info. */ | |
| 3034 PyTraceBack_Here(f); | |
| 3035 | |
|
81677
cd87afe18ff8
revert #16672 for incorrect semantics
Benjamin Peterson <benjamin@python.org>
parents:
81015
diff
changeset
|
3036 if (tstate->c_tracefunc != NULL) |
| 79693 | 3037 call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj, f); |
| 3038 | |
| 3039 fast_block_end: | |
| 3040 assert(why != WHY_NOT); | |
|
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|
3041 |
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|
3042 /* Unwind stacks if a (pseudo) exception occurred */ |
|
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|
3043 while (why != WHY_NOT && f->f_iblock > 0) { |
|
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|
3044 /* Peek at the current block. */ |
|
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|
3045 PyTryBlock *b = &f->f_blockstack[f->f_iblock - 1]; |
|
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3046 |
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|
3047 assert(why != WHY_YIELD); |
|
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|
3048 if (b->b_type == SETUP_LOOP && why == WHY_CONTINUE) { |
|
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|
3049 why = WHY_NOT; |
|
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|
3050 JUMPTO(PyLong_AS_LONG(retval)); |
|
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|
3051 Py_DECREF(retval); |
|
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|
3052 break; |
|
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|
3053 } |
|
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|
3054 /* Now we have to pop the block. */ |
|
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|
3055 f->f_iblock--; |
|
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|
3056 |
|
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|
3057 if (b->b_type == EXCEPT_HANDLER) { |
|
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|
3058 UNWIND_EXCEPT_HANDLER(b); |
|
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|
3059 continue; |
|
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|
3060 } |
|
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|
3061 UNWIND_BLOCK(b); |
|
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|
3062 if (b->b_type == SETUP_LOOP && why == WHY_BREAK) { |
|
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|
3063 why = WHY_NOT; |
|
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|
3064 JUMPTO(b->b_handler); |
|
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|
3065 break; |
|
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|
3066 } |
|
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|
3067 if (why == WHY_EXCEPTION && (b->b_type == SETUP_EXCEPT |
|
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|
3068 || b->b_type == SETUP_FINALLY)) { |
|
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|
3069 PyObject *exc, *val, *tb; |
|
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|
3070 int handler = b->b_handler; |
|
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|
3071 /* Beware, this invalidates all b->b_* fields */ |
|
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|
3072 PyFrame_BlockSetup(f, EXCEPT_HANDLER, -1, STACK_LEVEL()); |
|
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|
3073 PUSH(tstate->exc_traceback); |
|
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|
3074 PUSH(tstate->exc_value); |
|
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|
3075 if (tstate->exc_type != NULL) { |
|
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|
3076 PUSH(tstate->exc_type); |
|
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|
3077 } |
|
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|
3078 else { |
|
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|
3079 Py_INCREF(Py_None); |
|
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|
3080 PUSH(Py_None); |
|
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|
3081 } |
|
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|
3082 PyErr_Fetch(&exc, &val, &tb); |
|
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|
3083 /* Make the raw exception data |
|
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|
3084 available to the handler, |
|
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|
3085 so a program can emulate the |
|
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|
3086 Python main loop. */ |
|
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|
3087 PyErr_NormalizeException( |
|
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3088 &exc, &val, &tb); |
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|
3089 PyException_SetTraceback(val, tb); |
|
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|
3090 Py_INCREF(exc); |
|
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3091 tstate->exc_type = exc; |
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|
3092 Py_INCREF(val); |
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3093 tstate->exc_value = val; |
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3094 tstate->exc_traceback = tb; |
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3095 if (tb == NULL) |
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3096 tb = Py_None; |
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|
3097 Py_INCREF(tb); |
|
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3098 PUSH(tb); |
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|
3099 PUSH(val); |
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|
3100 PUSH(exc); |
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3101 why = WHY_NOT; |
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3102 JUMPTO(handler); |
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3103 break; |
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3104 } |
|
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3105 if (b->b_type == SETUP_FINALLY) { |
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3106 if (why & (WHY_RETURN | WHY_CONTINUE)) |
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3107 PUSH(retval); |
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3108 PUSH(PyLong_FromLong((long)why)); |
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3109 why = WHY_NOT; |
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3110 JUMPTO(b->b_handler); |
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3111 break; |
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3112 } |
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3113 } /* unwind stack */ |
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3114 |
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3115 /* End the loop if we still have an error (or return) */ |
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3116 |
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3117 if (why != WHY_NOT) |
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3118 break; |
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3119 READ_TIMESTAMP(loop1); |
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3120 |
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3121 } /* main loop */ |
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3122 |
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3123 assert(why != WHY_YIELD); |
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3124 /* Pop remaining stack entries. */ |
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3125 while (!EMPTY()) { |
| 79693 | 3126 PyObject *o = POP(); |
| 3127 Py_XDECREF(o); | |
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3128 } |
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3129 |
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3130 if (why != WHY_RETURN) |
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3131 retval = NULL; |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
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3132 |
|
31462
d5c047807c69
SF patch #864059: optimize eval_frame
Raymond Hettinger <python@rcn.com>
parents:
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3133 fast_yield: |
|
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419871c62bb3
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Benjamin Peterson <benjamin@python.org>
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3134 if (co->co_flags & CO_GENERATOR && (why == WHY_YIELD || why == WHY_RETURN)) { |
|
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3135 /* The purpose of this block is to put aside the generator's exception |
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3136 state and restore that of the calling frame. If the current |
|
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3137 exception state is from the caller, we clear the exception values |
|
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3138 on the generator frame, so they are not swapped back in latter. The |
|
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3139 origin of the current exception state is determined by checking for |
|
419871c62bb3
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3140 except handler blocks, which we must be in iff a new exception |
|
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3141 state came into existence in this frame. (An uncaught exception |
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3142 would have why == WHY_EXCEPTION, and we wouldn't be here). */ |
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3143 int i; |
|
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3144 for (i = 0; i < f->f_iblock; i++) |
|
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3145 if (f->f_blockstack[i].b_type == EXCEPT_HANDLER) |
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3146 break; |
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3147 if (i == f->f_iblock) |
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3148 /* We did not create this exception. */ |
|
71159
95784a617d05
convert generator exc state functions into static functions
Benjamin Peterson <benjamin@python.org>
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3149 restore_and_clear_exc_state(tstate, f); |
|
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3150 else |
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3151 swap_exc_state(tstate, f); |
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3152 } |
|
71151
cc7ae81cfe91
restore a generator's caller's exception state both on yield and (last) return
Benjamin Peterson <benjamin@python.org>
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3153 |
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3154 if (tstate->use_tracing) { |
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3155 if (tstate->c_tracefunc) { |
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3156 if (why == WHY_RETURN || why == WHY_YIELD) { |
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3157 if (call_trace(tstate->c_tracefunc, |
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3158 tstate->c_traceobj, f, |
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3159 PyTrace_RETURN, retval)) { |
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3160 Py_XDECREF(retval); |
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3161 retval = NULL; |
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3162 why = WHY_EXCEPTION; |
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3163 } |
|
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3164 } |
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3165 else if (why == WHY_EXCEPTION) { |
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3166 call_trace_protected(tstate->c_tracefunc, |
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3167 tstate->c_traceobj, f, |
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3168 PyTrace_RETURN, NULL); |
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3169 } |
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3170 } |
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3171 if (tstate->c_profilefunc) { |
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3172 if (why == WHY_EXCEPTION) |
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3173 call_trace_protected(tstate->c_profilefunc, |
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3174 tstate->c_profileobj, f, |
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3175 PyTrace_RETURN, NULL); |
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3176 else if (call_trace(tstate->c_profilefunc, |
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3177 tstate->c_profileobj, f, |
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3178 PyTrace_RETURN, retval)) { |
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3179 Py_XDECREF(retval); |
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|
3180 retval = NULL; |
|
68102
e2f96bd29252
Issue #8914: fix various warnings from the Clang static analyzer v254.
Brett Cannon <bcannon@gmail.com>
parents:
68086
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|
3181 /* why = WHY_EXCEPTION; */ |
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3182 } |
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3183 } |
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3184 } |
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3185 |
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3186 /* pop frame */ |
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3187 exit_eval_frame: |
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3188 Py_LeaveRecursiveCall(); |
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3189 tstate->frame = f->f_back; |
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3190 |
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3191 return retval; |
|
173
4656452436e1
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Guido van Rossum <guido@python.org>
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3192 } |
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4656452436e1
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3193 |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
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3194 static void |
|
70940
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3195 format_missing(const char *kind, PyCodeObject *co, PyObject *names) |
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3196 { |
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3197 int err; |
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3198 Py_ssize_t len = PyList_GET_SIZE(names); |
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3199 PyObject *name_str, *comma, *tail, *tmp; |
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3200 |
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3201 assert(PyList_CheckExact(names)); |
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3202 assert(len >= 1); |
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3203 /* Deal with the joys of natural language. */ |
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3204 switch (len) { |
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3205 case 1: |
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3206 name_str = PyList_GET_ITEM(names, 0); |
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3207 Py_INCREF(name_str); |
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3208 break; |
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3209 case 2: |
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3210 name_str = PyUnicode_FromFormat("%U and %U", |
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3211 PyList_GET_ITEM(names, len - 2), |
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3212 PyList_GET_ITEM(names, len - 1)); |
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3213 break; |
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3214 default: |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3215 tail = PyUnicode_FromFormat(", %U, and %U", |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3216 PyList_GET_ITEM(names, len - 2), |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3217 PyList_GET_ITEM(names, len - 1)); |
|
77283
2285a82504dc
check return for error
Benjamin Peterson <benjamin@python.org>
parents:
76942
diff
changeset
|
3218 if (tail == NULL) |
|
2285a82504dc
check return for error
Benjamin Peterson <benjamin@python.org>
parents:
76942
diff
changeset
|
3219 return; |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3220 /* Chop off the last two objects in the list. This shouldn't actually |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3221 fail, but we can't be too careful. */ |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3222 err = PyList_SetSlice(names, len - 2, len, NULL); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3223 if (err == -1) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3224 Py_DECREF(tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3225 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3226 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3227 /* Stitch everything up into a nice comma-separated list. */ |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3228 comma = PyUnicode_FromString(", "); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3229 if (comma == NULL) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3230 Py_DECREF(tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3231 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3232 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3233 tmp = PyUnicode_Join(comma, names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3234 Py_DECREF(comma); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3235 if (tmp == NULL) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3236 Py_DECREF(tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3237 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3238 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3239 name_str = PyUnicode_Concat(tmp, tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3240 Py_DECREF(tmp); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3241 Py_DECREF(tail); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3242 break; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3243 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3244 if (name_str == NULL) |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3245 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3246 PyErr_Format(PyExc_TypeError, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3247 "%U() missing %i required %s argument%s: %U", |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3248 co->co_name, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3249 len, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3250 kind, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3251 len == 1 ? "" : "s", |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3252 name_str); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3253 Py_DECREF(name_str); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3254 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3255 |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3256 static void |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3257 missing_arguments(PyCodeObject *co, int missing, int defcount, |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3258 PyObject **fastlocals) |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3259 { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3260 int i, j = 0; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3261 int start, end; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3262 int positional = defcount != -1; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3263 const char *kind = positional ? "positional" : "keyword-only"; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3264 PyObject *missing_names; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3265 |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3266 /* Compute the names of the arguments that are missing. */ |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3267 missing_names = PyList_New(missing); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3268 if (missing_names == NULL) |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3269 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3270 if (positional) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3271 start = 0; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3272 end = co->co_argcount - defcount; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3273 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3274 else { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3275 start = co->co_argcount; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3276 end = start + co->co_kwonlyargcount; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3277 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3278 for (i = start; i < end; i++) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3279 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
|
3280 PyObject *raw = PyTuple_GET_ITEM(co->co_varnames, i); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3281 PyObject *name = PyObject_Repr(raw); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3282 if (name == NULL) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3283 Py_DECREF(missing_names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3284 return; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3285 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3286 PyList_SET_ITEM(missing_names, j++, name); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3287 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3288 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3289 assert(j == missing); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3290 format_missing(kind, co, missing_names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3291 Py_DECREF(missing_names); |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3292 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3293 |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3294 static void |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3295 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
|
3296 { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3297 int plural; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3298 int kwonly_given = 0; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3299 int i; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3300 PyObject *sig, *kwonly_sig; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3301 |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3302 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
|
3303 /* Count missing keyword-only args. */ |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3304 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
|
3305 if (GETLOCAL(i) != NULL) |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3306 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
|
3307 if (defcount) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3308 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
|
3309 plural = 1; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3310 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
|
3311 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3312 else { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3313 plural = co->co_argcount != 1; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3314 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
|
3315 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3316 if (sig == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3317 return; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3318 if (kwonly_given) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3319 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
|
3320 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
|
3321 kwonly_given != 1 ? "s" : ""); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3322 if (kwonly_sig == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3323 Py_DECREF(sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3324 return; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3325 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3326 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3327 else { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3328 /* This will not fail. */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3329 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
|
3330 assert(kwonly_sig != NULL); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3331 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3332 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3333 "%U() 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
|
3334 co->co_name, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3335 sig, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3336 plural ? "s" : "", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3337 given, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3338 kwonly_sig, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3339 given == 1 && !kwonly_given ? "was" : "were"); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3340 Py_DECREF(sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3341 Py_DECREF(kwonly_sig); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3342 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3343 |
|
36695
b6d2f6fd3e11
PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents:
36580
diff
changeset
|
3344 /* 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
|
3345 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
|
3346 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
|
3347 |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18611
diff
changeset
|
3348 PyObject * |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
diff
changeset
|
3349 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
|
3350 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
|
3351 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
|
3352 { |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
diff
changeset
|
3353 PyCodeObject* co = (PyCodeObject*)_co; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3354 register PyFrameObject *f; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3355 register PyObject *retval = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3356 register PyObject **fastlocals, **freevars; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3357 PyThreadState *tstate = PyThreadState_GET(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3358 PyObject *x, *u; |
|
61466
cab14be0ada1
Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
61186
diff
changeset
|
3359 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
|
3360 int i; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3361 int n = argcount; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3362 PyObject *kwdict = NULL; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3363 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3364 if (globals == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3365 PyErr_SetString(PyExc_SystemError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3366 "PyEval_EvalCodeEx: NULL globals"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3367 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3368 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3369 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3370 assert(tstate != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3371 assert(globals != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3372 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
|
3373 if (f == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3374 return NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3375 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3376 fastlocals = f->f_localsplus; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3377 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
|
3378 |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3379 /* Parse arguments. */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3380 if (co->co_flags & CO_VARKEYWORDS) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3381 kwdict = PyDict_New(); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3382 if (kwdict == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3383 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3384 i = total_args; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3385 if (co->co_flags & CO_VARARGS) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3386 i++; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3387 SETLOCAL(i, kwdict); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3388 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3389 if (argcount > co->co_argcount) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3390 n = co->co_argcount; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3391 for (i = 0; i < n; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3392 x = args[i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3393 Py_INCREF(x); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3394 SETLOCAL(i, x); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3395 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3396 if (co->co_flags & CO_VARARGS) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3397 u = PyTuple_New(argcount - n); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3398 if (u == NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3399 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3400 SETLOCAL(total_args, u); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3401 for (i = n; i < argcount; i++) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3402 x = args[i]; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3403 Py_INCREF(x); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3404 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
|
3405 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3406 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3407 for (i = 0; i < kwcount; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3408 PyObject **co_varnames; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3409 PyObject *keyword = kws[2*i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3410 PyObject *value = kws[2*i + 1]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3411 int j; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3412 if (keyword == NULL || !PyUnicode_Check(keyword)) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3413 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3414 "%U() keywords must be strings", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3415 co->co_name); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3416 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3417 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3418 /* 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
|
3419 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
|
3420 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
|
3421 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
|
3422 PyObject *nm = co_varnames[j]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3423 if (nm == keyword) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3424 goto kw_found; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3425 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3426 /* Slow fallback, just in case */ |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3427 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
|
3428 PyObject *nm = co_varnames[j]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3429 int cmp = PyObject_RichCompareBool( |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3430 keyword, nm, Py_EQ); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3431 if (cmp > 0) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3432 goto kw_found; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3433 else if (cmp < 0) |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3434 goto fail; |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3435 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3436 if (j >= total_args && kwdict == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3437 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3438 "%U() got an unexpected " |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3439 "keyword argument '%S'", |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3440 co->co_name, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3441 keyword); |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3442 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3443 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3444 PyDict_SetItem(kwdict, keyword, value); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3445 continue; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3446 kw_found: |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3447 if (GETLOCAL(j) != NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3448 PyErr_Format(PyExc_TypeError, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3449 "%U() got multiple " |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3450 "values for argument '%S'", |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3451 co->co_name, |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3452 keyword); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3453 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3454 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3455 Py_INCREF(value); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3456 SETLOCAL(j, value); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3457 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3458 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
|
3459 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
|
3460 goto fail; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3461 } |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3462 if (argcount < co->co_argcount) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3463 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
|
3464 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
|
3465 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
|
3466 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
|
3467 missing++; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3468 if (missing) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3469 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
|
3470 goto fail; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3471 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3472 if (n > m) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3473 i = n - m; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3474 else |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3475 i = 0; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3476 for (; i < defcount; i++) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3477 if (GETLOCAL(m+i) == NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3478 PyObject *def = defs[i]; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3479 Py_INCREF(def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3480 SETLOCAL(m+i, def); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3481 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3482 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3483 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3484 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
|
3485 int missing = 0; |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3486 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
|
3487 PyObject *name; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3488 if (GETLOCAL(i) != NULL) |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3489 continue; |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3490 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
|
3491 if (kwdefs != NULL) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3492 PyObject *def = PyDict_GetItem(kwdefs, name); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3493 if (def) { |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3494 Py_INCREF(def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3495 SETLOCAL(i, def); |
|
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3496 continue; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3497 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3498 } |
|
70940
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3499 missing++; |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3500 } |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3501 if (missing) { |
|
52744a5a9260
give the names of missing positional or keyword-only arguments (closes #12356)
Benjamin Peterson <benjamin@python.org>
parents:
70652
diff
changeset
|
3502 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
|
3503 goto fail; |
|
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 } |
|
70652
44d46d74ef4f
greatly improve argument parsing error messages (closes #12265)
Benjamin Peterson <benjamin@python.org>
parents:
69833
diff
changeset
|
3506 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3507 /* 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
|
3508 vars into frame. */ |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3509 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
|
3510 PyObject *c; |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3511 int arg; |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3512 /* 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
|
3513 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
|
3514 (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
|
3515 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
|
3516 /* 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
|
3517 SETLOCAL(arg, NULL); |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83455
diff
changeset
|
3518 } |
|
2b4b289c1abb
when arguments are cells clear the locals slot (backport of #17927)
Benjamin Peterson <benjamin@python.org>
parents:
83455
diff
changeset
|
3519 else { |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3520 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
|
3521 } |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3522 if (c == NULL) |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3523 goto fail; |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3524 SETLOCAL(co->co_nlocals + i, c); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3525 } |
|
70987
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3526 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
|
3527 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
|
3528 Py_INCREF(o); |
|
c5b0585624ef
map cells to arg slots at code creation time (closes #12399)
Benjamin Peterson <benjamin@python.org>
parents:
70940
diff
changeset
|
3529 freevars[PyTuple_GET_SIZE(co->co_cellvars) + i] = o; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3530 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3531 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3532 if (co->co_flags & CO_GENERATOR) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3533 /* Don't need to keep the reference to f_back, it will be set |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3534 * when the generator is resumed. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3535 Py_XDECREF(f->f_back); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3536 f->f_back = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3537 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3538 PCALL(PCALL_GENERATOR); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3539 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3540 /* Create a new generator that owns the ready to run frame |
|
f197407bdba2
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|
3541 * and return that as the value. */ |
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3542 return PyGen_New(f); |
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3543 } |
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3544 |
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|
3545 retval = PyEval_EvalFrameEx(f,0); |
|
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3546 |
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3547 fail: /* Jump here from prelude on failure */ |
|
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3548 |
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61467
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3549 /* decref'ing the frame can cause __del__ methods to get invoked, |
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3550 which can call back into Python. While we're done with the |
|
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3551 current Python frame (f), the associated C stack is still in use, |
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3552 so recursion_depth must be boosted for the duration. |
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3553 */ |
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3554 assert(tstate != NULL); |
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3555 ++tstate->recursion_depth; |
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3556 Py_DECREF(f); |
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3557 --tstate->recursion_depth; |
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3558 return retval; |
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3559 } |
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3560 |
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3561 |
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3562 static PyObject * |
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3563 special_lookup(PyObject *o, _Py_Identifier *id) |
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3564 { |
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3565 PyObject *res; |
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3566 res = _PyObject_LookupSpecial(o, id); |
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3567 if (res == NULL && !PyErr_Occurred()) { |
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3568 PyErr_SetObject(PyExc_AttributeError, id->object); |
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3569 return NULL; |
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3570 } |
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3571 return res; |
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3572 } |
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3573 |
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3574 |
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3575 /* These 3 functions deal with the exception state of generators. */ |
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3576 |
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3577 static void |
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3578 save_exc_state(PyThreadState *tstate, PyFrameObject *f) |
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3579 { |
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3580 PyObject *type, *value, *traceback; |
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3581 Py_XINCREF(tstate->exc_type); |
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3582 Py_XINCREF(tstate->exc_value); |
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3583 Py_XINCREF(tstate->exc_traceback); |
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3584 type = f->f_exc_type; |
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3585 value = f->f_exc_value; |
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3586 traceback = f->f_exc_traceback; |
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3587 f->f_exc_type = tstate->exc_type; |
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3588 f->f_exc_value = tstate->exc_value; |
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3589 f->f_exc_traceback = tstate->exc_traceback; |
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3590 Py_XDECREF(type); |
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3591 Py_XDECREF(value); |
|
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3592 Py_XDECREF(traceback); |
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3593 } |
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3594 |
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3595 static void |
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3596 swap_exc_state(PyThreadState *tstate, PyFrameObject *f) |
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3597 { |
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3598 PyObject *tmp; |
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3599 tmp = tstate->exc_type; |
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3600 tstate->exc_type = f->f_exc_type; |
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3601 f->f_exc_type = tmp; |
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3602 tmp = tstate->exc_value; |
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3603 tstate->exc_value = f->f_exc_value; |
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3604 f->f_exc_value = tmp; |
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3605 tmp = tstate->exc_traceback; |
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3606 tstate->exc_traceback = f->f_exc_traceback; |
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3607 f->f_exc_traceback = tmp; |
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3608 } |
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3609 |
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3610 static void |
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3611 restore_and_clear_exc_state(PyThreadState *tstate, PyFrameObject *f) |
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3612 { |
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3613 PyObject *type, *value, *tb; |
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3614 type = tstate->exc_type; |
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3615 value = tstate->exc_value; |
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3616 tb = tstate->exc_traceback; |
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3617 tstate->exc_type = f->f_exc_type; |
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3618 tstate->exc_value = f->f_exc_value; |
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3619 tstate->exc_traceback = f->f_exc_traceback; |
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3620 f->f_exc_type = NULL; |
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3621 f->f_exc_value = NULL; |
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3622 f->f_exc_traceback = NULL; |
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3623 Py_XDECREF(type); |
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3624 Py_XDECREF(value); |
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3625 Py_XDECREF(tb); |
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3626 } |
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3627 |
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3628 |
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3629 /* Logic for the raise statement (too complicated for inlining). |
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3630 This *consumes* a reference count to each of its arguments. */ |
| 79693 | 3631 static int |
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|
3632 do_raise(PyObject *exc, PyObject *cause) |
|
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3633 { |
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3634 PyObject *type = NULL, *value = NULL; |
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3635 |
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3636 if (exc == NULL) { |
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3637 /* Reraise */ |
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3638 PyThreadState *tstate = PyThreadState_GET(); |
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3639 PyObject *tb; |
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3640 type = tstate->exc_type; |
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3641 value = tstate->exc_value; |
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3642 tb = tstate->exc_traceback; |
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3643 if (type == Py_None) { |
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3644 PyErr_SetString(PyExc_RuntimeError, |
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3645 "No active exception to reraise"); |
| 79693 | 3646 return 0; |
| 3647 } | |
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3648 Py_XINCREF(type); |
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3649 Py_XINCREF(value); |
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3650 Py_XINCREF(tb); |
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3651 PyErr_Restore(type, value, tb); |
| 79693 | 3652 return 1; |
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3653 } |
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3654 |
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3655 /* We support the following forms of raise: |
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3656 raise |
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3657 raise <instance> |
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|
3658 raise <type> */ |
|
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3659 |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3660 if (PyExceptionClass_Check(exc)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3661 type = exc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3662 value = PyObject_CallObject(exc, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3663 if (value == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3664 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
|
3665 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
|
3666 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
|
3667 "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
|
3668 "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
|
3669 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
|
3670 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
|
3671 } |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3672 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3673 else if (PyExceptionInstance_Check(exc)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3674 value = exc; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3675 type = PyExceptionInstance_Class(exc); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3676 Py_INCREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3677 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3678 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3679 /* 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
|
3680 anyway, just not what you specified :-) */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3681 Py_DECREF(exc); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3682 PyErr_SetString(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3683 "exceptions must derive from BaseException"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3684 goto raise_error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3685 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3686 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3687 if (cause) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3688 PyObject *fixed_cause; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3689 if (PyExceptionClass_Check(cause)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3690 fixed_cause = PyObject_CallObject(cause, NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3691 if (fixed_cause == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3692 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
|
3693 Py_DECREF(cause); |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3694 } |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3695 else if (PyExceptionInstance_Check(cause)) { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3696 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
|
3697 } |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3698 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
|
3699 Py_DECREF(cause); |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3700 fixed_cause = NULL; |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3701 } |
|
76942
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3702 else { |
|
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3703 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
|
3704 "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
|
3705 "BaseException"); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3706 goto raise_error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3707 } |
|
76942
b0eb7d2a9542
PEP 415: Implement suppression of __context__ display with an exception attribute
Benjamin Peterson <benjamin@python.org>
parents:
76567
diff
changeset
|
3708 PyException_SetCause(value, fixed_cause); |
|
61467
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 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3711 PyErr_SetObject(type, value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3712 /* PyErr_SetObject incref's its arguments */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3713 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3714 Py_XDECREF(type); |
| 79693 | 3715 return 0; |
|
43102
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3716 |
|
981ecc526703
Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents:
43100
diff
changeset
|
3717 raise_error: |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3718 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3719 Py_XDECREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3720 Py_XDECREF(cause); |
| 79693 | 3721 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
|
3722 } |
|
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
|
3723 |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3724 /* 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:
41558
diff
changeset
|
3725 sp). Return 1 for success, 0 if error. |
|
48574
d3d586019aff
Merged revisions 65240-65242 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
48516
diff
changeset
|
3726 |
|
41699
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3727 If argcntafter == -1, do a simple unpack. If it is >= 0, do an unpack |
|
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3728 with a variable target. |
|
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3729 */ |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3730 |
|
6157
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3731 static int |
|
41699
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3732 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
|
3733 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3734 int i = 0, j = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3735 Py_ssize_t ll = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3736 PyObject *it; /* iter(v) */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3737 PyObject *w; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3738 PyObject *l = NULL; /* variable list */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3739 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3740 assert(v != NULL); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3741 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3742 it = PyObject_GetIter(v); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3743 if (it == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3744 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3745 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3746 for (; i < argcnt; i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3747 w = PyIter_Next(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3748 if (w == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3749 /* Iterator done, via error or exhaustion. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3750 if (!PyErr_Occurred()) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3751 PyErr_Format(PyExc_ValueError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3752 "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
|
3753 i, i == 1 ? "" : "s"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3754 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3755 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3756 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3757 *--sp = w; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3758 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3759 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3760 if (argcntafter == -1) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3761 /* 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
|
3762 w = PyIter_Next(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3763 if (w == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3764 if (PyErr_Occurred()) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3765 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3766 Py_DECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3767 return 1; |
|
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 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
|
3770 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
|
3771 "(expected %d)", argcnt); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3772 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3773 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3774 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3775 l = PySequence_List(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3776 if (l == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3777 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3778 *--sp = l; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3779 i++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3780 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3781 ll = PyList_GET_SIZE(l); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3782 if (ll < argcntafter) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
3783 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
|
3784 argcnt + ll); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3785 goto Error; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3786 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3787 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3788 /* 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
|
3789 for (j = argcntafter; j > 0; j--, i++) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3790 *--sp = PyList_GET_ITEM(l, ll - j); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3791 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3792 /* Resize the list. */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3793 Py_SIZE(l) = ll - argcntafter; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3794 Py_DECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3795 return 1; |
|
41699
e16c8e5c5ca4
Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents:
41558
diff
changeset
|
3796 |
|
18195
36e825660a24
Teach the UNPACK_SEQUENCE opcode how to tease an iterable object into
Tim Peters <tim.peters@gmail.com>
parents:
18194
diff
changeset
|
3797 Error: |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3798 for (; i > 0; i--, sp++) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3799 Py_DECREF(*sp); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3800 Py_XDECREF(it); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3801 return 0; |
|
6157
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3802 } |
|
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3803 |
|
647e60fb3bac
eval_code2(): collapsed the implementations of UNPACK_TUPLE and
Barry Warsaw <barry@python.org>
parents:
6147
diff
changeset
|
3804 |
| 567 | 3805 #ifdef LLTRACE |
| 86 | 3806 static int |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
3807 prtrace(PyObject *v, char *str) |
| 69 | 3808 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3809 printf("%s ", str); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3810 if (PyObject_Print(v, stdout, 0) != 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3811 PyErr_Clear(); /* Don't know what else to do */ |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3812 printf("\n"); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3813 return 1; |
| 69 | 3814 } |
| 86 | 3815 #endif |
| 69 | 3816 |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3817 static void |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
18293
diff
changeset
|
3818 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
|
3819 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3820 PyObject *type, *value, *traceback, *arg; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3821 int err; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3822 PyErr_Fetch(&type, &value, &traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3823 if (value == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3824 value = Py_None; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3825 Py_INCREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3826 } |
|
83455
d18df4c90515
#17413: make sure settrace funcs get passed exception instances for 'value'.
R David Murray <rdmurray@bitdance.com>
parents:
78458
diff
changeset
|
3827 PyErr_NormalizeException(&type, &value, &traceback); |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3828 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
|
3829 if (arg == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3830 PyErr_Restore(type, value, traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3831 return; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3832 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
3833 err = call_trace(func, self, f, PyTrace_EXCEPTION, arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3834 Py_DECREF(arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3835 if (err == 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3836 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
|
3837 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3838 Py_XDECREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3839 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3840 Py_XDECREF(traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3841 } |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3842 } |
|
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3843 |
|
43840
73c8e27eb9ce
Correction for issue1265 (pdb bug with "with" statement).
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
43815
diff
changeset
|
3844 static int |
|
20257
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3845 call_trace_protected(Py_tracefunc func, PyObject *obj, PyFrameObject *frame, |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3846 int what, PyObject *arg) |
|
20257
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3847 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3848 PyObject *type, *value, *traceback; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3849 int err; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
3850 PyErr_Fetch(&type, &value, &traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3851 err = call_trace(func, obj, frame, what, arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3852 if (err == 0) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3853 { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3854 PyErr_Restore(type, value, traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3855 return 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3856 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
3857 else { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff
changeset
|
3858 Py_XDECREF(type); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3859 Py_XDECREF(value); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3860 Py_XDECREF(traceback); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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changeset
|
3861 return -1; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
3862 } |
|
20257
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3863 } |
|
e3f63a95455f
Fix bug in profiler modifications detected only in debug builds.
Fred Drake <fdrake@acm.org>
parents:
20247
diff
changeset
|
3864 |
|
708
8bcb50f436fa
New trace implementation; and profile (in a similat vein).
Guido van Rossum <guido@python.org>
parents:
688
diff
changeset
|
3865 static int |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
parents:
18293
diff
changeset
|
3866 call_trace(Py_tracefunc func, PyObject *obj, PyFrameObject *frame, |
|
61467
f197407bdba2
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changeset
|
3867 int what, PyObject *arg) |
| 567 | 3868 { |
|
61467
f197407bdba2
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changeset
|
3869 register PyThreadState *tstate = frame->f_tstate; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3870 int result; |
|
f197407bdba2
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diff
changeset
|
3871 if (tstate->tracing) |
|
f197407bdba2
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changeset
|
3872 return 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3873 tstate->tracing++; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3874 tstate->use_tracing = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3875 result = func(obj, frame, what, arg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3876 tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
3877 || (tstate->c_profilefunc != NULL)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
3878 tstate->tracing--; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
3879 return result; |
| 567 | 3880 } |
| 3881 | |
|
28556
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents:
28304
diff
changeset
|
3882 PyObject * |
|
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents:
28304
diff
changeset
|
3883 _PyEval_CallTracing(PyObject *func, PyObject *args) |
|
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
parents:
28304
diff
changeset
|
3884 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
3885 PyFrameObject *frame = PyEval_GetFrame(); |
|
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|
3886 PyThreadState *tstate = frame->f_tstate; |
|
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|
3887 int save_tracing = tstate->tracing; |
|
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|
3888 int save_use_tracing = tstate->use_tracing; |
|
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|
3889 PyObject *result; |
|
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3890 |
|
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|
3891 tstate->tracing = 0; |
|
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|
3892 tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
|
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3893 || (tstate->c_profilefunc != NULL)); |
|
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|
3894 result = PyObject_Call(func, args, NULL); |
|
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|
3895 tstate->tracing = save_tracing; |
|
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|
3896 tstate->use_tracing = save_use_tracing; |
|
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|
3897 return result; |
|
28556
78395e5b4782
- New function sys.call_tracing() allows pdb to debug code
Guido van Rossum <guido@python.org>
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|
3898 } |
|
78395e5b4782
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|
3899 |
|
55372
79718ee03986
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|
3900 /* 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>
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|
3901 static int |
|
31872
9f5fe6b23e59
Since the fast_yield branch target was introduced, it appears that most
Tim Peters <tim.peters@gmail.com>
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|
3902 maybe_call_line_trace(Py_tracefunc func, PyObject *obj, |
|
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3903 PyFrameObject *frame, int *instr_lb, int *instr_ub, |
|
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3904 int *instr_prev) |
| 24844 | 3905 { |
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|
3906 int result = 0; |
|
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3907 int line = frame->f_lineno; |
|
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3908 |
|
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3909 /* If the last instruction executed isn't in the current |
|
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|
3910 instruction window, reset the window. |
|
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|
3911 */ |
|
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3912 if (frame->f_lasti < *instr_lb || frame->f_lasti >= *instr_ub) { |
|
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|
3913 PyAddrPair bounds; |
|
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3914 line = _PyCode_CheckLineNumber(frame->f_code, frame->f_lasti, |
|
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3915 &bounds); |
|
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3916 *instr_lb = bounds.ap_lower; |
|
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3917 *instr_ub = bounds.ap_upper; |
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3918 } |
|
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3919 /* If the last instruction falls at the start of a line or if |
|
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3920 it represents a jump backwards, update the frame's line |
|
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3921 number and call the trace function. */ |
|
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3922 if (frame->f_lasti == *instr_lb || frame->f_lasti < *instr_prev) { |
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3923 frame->f_lineno = line; |
|
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|
3924 result = call_trace(func, obj, frame, PyTrace_LINE, Py_None); |
|
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|
3925 } |
|
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3926 *instr_prev = frame->f_lasti; |
|
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|
3927 return result; |
| 24844 | 3928 } |
| 3929 | |
|
18326
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
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|
3930 void |
|
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
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|
3931 PyEval_SetProfile(Py_tracefunc func, PyObject *arg) |
|
18136
4cb34314bd97
Instead of initializing & interning the strings passed to the profile
Fred Drake <fdrake@acm.org>
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|
3932 { |
|
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|
3933 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
3934 PyObject *temp = tstate->c_profileobj; |
|
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|
3935 Py_XINCREF(arg); |
|
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|
3936 tstate->c_profilefunc = NULL; |
|
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3937 tstate->c_profileobj = NULL; |
|
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|
3938 /* Must make sure that tracing is not ignored if 'temp' is freed */ |
|
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3939 tstate->use_tracing = tstate->c_tracefunc != NULL; |
|
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|
3940 Py_XDECREF(temp); |
|
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3941 tstate->c_profilefunc = func; |
|
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|
3942 tstate->c_profileobj = arg; |
|
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|
3943 /* Flag that tracing or profiling is turned on */ |
|
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|
3944 tstate->use_tracing = (func != NULL) || (tstate->c_tracefunc != NULL); |
|
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Revise the interface to the profiling and tracing support for the
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|
3945 } |
|
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|
3946 |
|
e427afb5637f
Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
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|
3947 void |
|
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Revise the interface to the profiling and tracing support for the
Fred Drake <fdrake@acm.org>
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|
3948 PyEval_SetTrace(Py_tracefunc func, PyObject *arg) |
|
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Revise the interface to the profiling and tracing support for the
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|
3949 { |
|
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3950 PyThreadState *tstate = PyThreadState_GET(); |
|
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3951 PyObject *temp = tstate->c_traceobj; |
|
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|
3952 _Py_TracingPossible += (func != NULL) - (tstate->c_tracefunc != NULL); |
|
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|
3953 Py_XINCREF(arg); |
|
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|
3954 tstate->c_tracefunc = NULL; |
|
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|
3955 tstate->c_traceobj = NULL; |
|
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|
3956 /* Must make sure that profiling is not ignored if 'temp' is freed */ |
|
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|
3957 tstate->use_tracing = tstate->c_profilefunc != NULL; |
|
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|
3958 Py_XDECREF(temp); |
|
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|
3959 tstate->c_tracefunc = func; |
|
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|
3960 tstate->c_traceobj = arg; |
|
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|
3961 /* Flag that tracing or profiling is turned on */ |
|
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|
3962 tstate->use_tracing = ((func != NULL) |
|
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|
3963 || (tstate->c_profilefunc != NULL)); |
|
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|
3964 } |
|
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Fred Drake <fdrake@acm.org>
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|
3965 |
| 5368 | 3966 PyObject * |
|
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Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
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|
3967 PyEval_GetBuiltins(void) |
|
2098
b7be0382f9ee
__builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
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|
3968 { |
|
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3969 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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3970 if (current_frame == NULL) |
|
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3971 return PyThreadState_GET()->interp->builtins; |
|
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|
3972 else |
|
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|
3973 return current_frame->f_builtins; |
|
2098
b7be0382f9ee
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|
3974 } |
|
b7be0382f9ee
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|
3975 |
| 5368 | 3976 PyObject * |
|
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|
3977 PyEval_GetLocals(void) |
|
1263
65a1e4e9cd54
* Fixed some subtleties with fastlocals. You can no longer access
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|
3978 { |
|
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|
3979 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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|
3980 if (current_frame == NULL) |
|
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|
3981 return NULL; |
|
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|
3982 PyFrame_FastToLocals(current_frame); |
|
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|
3983 return current_frame->f_locals; |
|
1263
65a1e4e9cd54
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Guido van Rossum <guido@python.org>
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|
3984 } |
|
65a1e4e9cd54
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|
3985 |
| 5368 | 3986 PyObject * |
|
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|
3987 PyEval_GetGlobals(void) |
| 69 | 3988 { |
|
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3989 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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|
3990 if (current_frame == NULL) |
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|
3991 return NULL; |
|
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3992 else |
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|
3993 return current_frame->f_globals; |
| 69 | 3994 } |
| 3995 | |
|
27978
4b99a701defe
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Guido van Rossum <guido@python.org>
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|
3996 PyFrameObject * |
|
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|
3997 PyEval_GetFrame(void) |
|
1846
5243fb187d36
call_object: print message before abort()
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|
3998 { |
|
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|
3999 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
4000 return _PyThreadState_GetFrame(tstate); |
|
1846
5243fb187d36
call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents:
1425
diff
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|
4001 } |
|
5243fb187d36
call_object: print message before abort()
Guido van Rossum <guido@python.org>
parents:
1425
diff
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|
4002 |
|
2098
b7be0382f9ee
__builtins__ mods (and sys_checkinterval for ceval.c)
Guido van Rossum <guido@python.org>
parents:
2088
diff
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|
4003 int |
|
18611
fdb36a0c7e6e
Part way to allowing "from __future__ import generators" to communicate
Tim Peters <tim.peters@gmail.com>
parents:
18513
diff
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|
4004 PyEval_MergeCompilerFlags(PyCompilerFlags *cf) |
|
17124
a8301d4ed2b1
If a code object is compiled with nested scopes, define the CO_NESTED flag.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17114
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|
4005 { |
|
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|
4006 PyFrameObject *current_frame = PyEval_GetFrame(); |
|
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4007 int result = cf->cf_flags != 0; |
|
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|
4008 |
|
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|
4009 if (current_frame != NULL) { |
|
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|
4010 const int codeflags = current_frame->f_code->co_flags; |
|
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|
4011 const int compilerflags = codeflags & PyCF_MASK; |
|
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|
4012 if (compilerflags) { |
|
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|
4013 result = 1; |
|
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|
4014 cf->cf_flags |= compilerflags; |
|
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|
4015 } |
|
22468
eebae4f60d05
Disable the parser hacks that enabled the "yield" keyword using a future
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents:
22398
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|
4016 #if 0 /* future keyword */ |
|
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4017 if (codeflags & CO_GENERATOR_ALLOWED) { |
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4018 result = 1; |
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4019 cf->cf_flags |= CO_GENERATOR_ALLOWED; |
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4020 } |
|
22468
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents:
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|
4021 #endif |
|
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4022 } |
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4023 return result; |
|
17124
a8301d4ed2b1
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17114
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|
4024 } |
|
a8301d4ed2b1
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Jeremy Hylton <jeremy@alum.mit.edu>
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|
4025 |
| 86 | 4026 |
|
2844
0261bf5b3819
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Guido van Rossum <guido@python.org>
parents:
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4027 /* External interface to call any callable object. |
|
60130
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4028 The arg must be a tuple or NULL. The kw must be a dict or NULL. */ |
|
2844
0261bf5b3819
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Guido van Rossum <guido@python.org>
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4029 |
| 5368 | 4030 PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
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|
4031 PyEval_CallObjectWithKeywords(PyObject *func, PyObject *arg, PyObject *kw) |
|
2844
0261bf5b3819
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Guido van Rossum <guido@python.org>
parents:
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4032 { |
|
61467
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4033 PyObject *result; |
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4034 |
|
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4035 if (arg == NULL) { |
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4036 arg = PyTuple_New(0); |
|
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4037 if (arg == NULL) |
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4038 return NULL; |
|
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4039 } |
|
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4040 else if (!PyTuple_Check(arg)) { |
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|
4041 PyErr_SetString(PyExc_TypeError, |
|
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|
4042 "argument list must be a tuple"); |
|
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|
4043 return NULL; |
|
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|
4044 } |
|
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4045 else |
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|
4046 Py_INCREF(arg); |
|
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|
4047 |
|
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4048 if (kw != NULL && !PyDict_Check(kw)) { |
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|
4049 PyErr_SetString(PyExc_TypeError, |
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|
4050 "keyword list must be a dictionary"); |
|
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|
4051 Py_DECREF(arg); |
|
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4052 return NULL; |
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4053 } |
|
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4054 |
|
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4055 result = PyObject_Call(func, arg, kw); |
|
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|
4056 Py_DECREF(arg); |
|
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|
4057 return result; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
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|
4058 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
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|
4059 |
|
35999
9541369b0dca
Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
35745
diff
changeset
|
4060 const char * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18611
diff
changeset
|
4061 PyEval_GetFuncName(PyObject *func) |
|
17406
c9e07bc303a2
Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
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|
4062 { |
|
61467
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|
4063 if (PyMethod_Check(func)) |
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4064 return PyEval_GetFuncName(PyMethod_GET_FUNCTION(func)); |
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4065 else if (PyFunction_Check(func)) |
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4066 return _PyUnicode_AsString(((PyFunctionObject*)func)->func_name); |
|
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4067 else if (PyCFunction_Check(func)) |
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4068 return ((PyCFunctionObject*)func)->m_ml->ml_name; |
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|
4069 else |
|
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|
4070 return func->ob_type->tp_name; |
|
17406
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
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|
4071 } |
|
c9e07bc303a2
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
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|
4072 |
|
35999
9541369b0dca
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
35745
diff
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|
4073 const char * |
|
18933
09df3254b49d
Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents:
18611
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|
4074 PyEval_GetFuncDesc(PyObject *func) |
|
17406
c9e07bc303a2
Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
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|
4075 { |
|
61467
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|
4076 if (PyMethod_Check(func)) |
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|
4077 return "()"; |
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4078 else if (PyFunction_Check(func)) |
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|
4079 return "()"; |
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4080 else if (PyCFunction_Check(func)) |
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|
4081 return "()"; |
|
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|
4082 else |
|
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|
4083 return " object"; |
|
17406
c9e07bc303a2
Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
diff
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|
4084 } |
|
c9e07bc303a2
Fix exception handling for non-PyFunction objects, SF bug 414743.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
17125
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|
4085 |
|
26141
6ce9228a3da2
Make private functions static so we don't pollute the namespace
Neal Norwitz <nnorwitz@gmail.com>
parents:
26110
diff
changeset
|
4086 static void |
|
24870
df2326a4894d
Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
24868
diff
changeset
|
4087 err_args(PyObject *func, int flags, int nargs) |
|
df2326a4894d
Inline fast_cfunction() in new call_function().
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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|
4088 { |
|
61467
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4089 if (flags & METH_NOARGS) |
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4090 PyErr_Format(PyExc_TypeError, |
|
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4091 "%.200s() takes no arguments (%d given)", |
|
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|
4092 ((PyCFunctionObject *)func)->m_ml->ml_name, |
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|
4093 nargs); |
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4094 else |
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|
4095 PyErr_Format(PyExc_TypeError, |
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|
4096 "%.200s() takes exactly one argument (%d given)", |
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|
4097 ((PyCFunctionObject *)func)->m_ml->ml_name, |
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|
4098 nargs); |
|
24870
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|
4099 } |
|
df2326a4894d
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|
4100 |
|
35609
23dda92de993
clean-up tracing of C functions. In particular, don't call the trace func
Armin Rigo <arigo@tunes.org>
parents:
35345
diff
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|
4101 #define C_TRACE(x, call) \ |
|
32409
77913be294b9
Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
parents:
32398
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|
4102 if (tstate->use_tracing && tstate->c_profilefunc) { \ |
|
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|
4103 if (call_trace(tstate->c_profilefunc, \ |
|
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4104 tstate->c_profileobj, \ |
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4105 tstate->frame, PyTrace_C_CALL, \ |
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|
4106 func)) { \ |
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|
4107 x = NULL; \ |
|
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4108 } \ |
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4109 else { \ |
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4110 x = call; \ |
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4111 if (tstate->c_profilefunc != NULL) { \ |
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4112 if (x == NULL) { \ |
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4113 call_trace_protected(tstate->c_profilefunc, \ |
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4114 tstate->c_profileobj, \ |
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4115 tstate->frame, PyTrace_C_EXCEPTION, \ |
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4116 func); \ |
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4117 /* XXX should pass (type, value, tb) */ \ |
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4118 } else { \ |
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4119 if (call_trace(tstate->c_profilefunc, \ |
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4120 tstate->c_profileobj, \ |
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4121 tstate->frame, PyTrace_C_RETURN, \ |
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4122 func)) { \ |
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4123 Py_DECREF(x); \ |
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4124 x = NULL; \ |
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4125 } \ |
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4126 } \ |
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4127 } \ |
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4128 } \ |
|
32409
77913be294b9
Massive performance improvement for C extension and builtin tracing code
Nicholas Bastin <nick.bastin@gmail.com>
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4129 } else { \ |
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61467
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4130 x = call; \ |
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4131 } |
|
31796
1c117dbb2def
Enable the profiling of C functions (builtins and extensions)
Nicholas Bastin <nick.bastin@gmail.com>
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4132 |
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4133 static PyObject * |
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Martin v. Löwis <martin@v.loewis.de>
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4134 call_function(PyObject ***pp_stack, int oparg |
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4135 #ifdef WITH_TSC |
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4136 , uint64* pintr0, uint64* pintr1 |
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4137 #endif |
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4138 ) |
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4139 { |
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4140 int na = oparg & 0xff; |
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4141 int nk = (oparg>>8) & 0xff; |
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4142 int n = na + 2 * nk; |
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4143 PyObject **pfunc = (*pp_stack) - n - 1; |
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4144 PyObject *func = *pfunc; |
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4145 PyObject *x, *w; |
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4146 |
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4147 /* Always dispatch PyCFunction first, because these are |
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4148 presumed to be the most frequent callable object. |
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4149 */ |
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4150 if (PyCFunction_Check(func) && nk == 0) { |
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4151 int flags = PyCFunction_GET_FLAGS(func); |
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4152 PyThreadState *tstate = PyThreadState_GET(); |
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4153 |
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4154 PCALL(PCALL_CFUNCTION); |
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4155 if (flags & (METH_NOARGS | METH_O)) { |
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4156 PyCFunction meth = PyCFunction_GET_FUNCTION(func); |
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4157 PyObject *self = PyCFunction_GET_SELF(func); |
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4158 if (flags & METH_NOARGS && na == 0) { |
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4159 C_TRACE(x, (*meth)(self,NULL)); |
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4160 } |
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4161 else if (flags & METH_O && na == 1) { |
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4162 PyObject *arg = EXT_POP(*pp_stack); |
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4163 C_TRACE(x, (*meth)(self,arg)); |
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4164 Py_DECREF(arg); |
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4165 } |
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4166 else { |
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4167 err_args(func, flags, na); |
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4168 x = NULL; |
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4169 } |
|
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4170 } |
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4171 else { |
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4172 PyObject *callargs; |
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4173 callargs = load_args(pp_stack, na); |
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4174 READ_TIMESTAMP(*pintr0); |
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4175 C_TRACE(x, PyCFunction_Call(func,callargs,NULL)); |
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4176 READ_TIMESTAMP(*pintr1); |
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4177 Py_XDECREF(callargs); |
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4178 } |
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4179 } else { |
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4180 if (PyMethod_Check(func) && PyMethod_GET_SELF(func) != NULL) { |
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4181 /* optimize access to bound methods */ |
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4182 PyObject *self = PyMethod_GET_SELF(func); |
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4183 PCALL(PCALL_METHOD); |
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4184 PCALL(PCALL_BOUND_METHOD); |
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4185 Py_INCREF(self); |
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4186 func = PyMethod_GET_FUNCTION(func); |
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4187 Py_INCREF(func); |
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4188 Py_DECREF(*pfunc); |
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4189 *pfunc = self; |
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4190 na++; |
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4191 n++; |
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4192 } else |
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4193 Py_INCREF(func); |
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4194 READ_TIMESTAMP(*pintr0); |
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4195 if (PyFunction_Check(func)) |
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4196 x = fast_function(func, pp_stack, n, na, nk); |
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4197 else |
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4198 x = do_call(func, pp_stack, na, nk); |
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4199 READ_TIMESTAMP(*pintr1); |
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4200 Py_DECREF(func); |
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4201 } |
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4202 |
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4203 /* Clear the stack of the function object. Also removes |
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4204 the arguments in case they weren't consumed already |
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4205 (fast_function() and err_args() leave them on the stack). |
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4206 */ |
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4207 while ((*pp_stack) > pfunc) { |
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4208 w = EXT_POP(*pp_stack); |
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4209 Py_DECREF(w); |
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4210 PCALL(PCALL_POP); |
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4211 } |
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4212 return x; |
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4213 } |
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4214 |
|
24870
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4215 /* The fast_function() function optimize calls for which no argument |
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|
4216 tuple is necessary; the objects are passed directly from the stack. |
|
27712
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
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diff
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|
4217 For the simplest case -- a function that takes only positional |
|
16856c9514e0
Small function call optimization and special build option for call stats.
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|
4218 arguments and is called with only positional arguments -- it |
|
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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|
4219 inlines the most primitive frame setup code from |
|
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
27295
diff
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|
4220 PyEval_EvalCodeEx(), which vastly reduces the checks that must be |
|
16856c9514e0
Small function call optimization and special build option for call stats.
Jeremy Hylton <jeremy@alum.mit.edu>
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|
4221 done before evaluating the frame. |
|
15711
2481b5fe86d6
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|
4222 */ |
|
2481b5fe86d6
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|
4223 |
|
2481b5fe86d6
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diff
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|
4224 static PyObject * |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
diff
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|
4225 fast_function(PyObject *func, PyObject ***pp_stack, int n, int na, int nk) |
|
15711
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|
4226 { |
|
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4227 PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); |
|
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|
4228 PyObject *globals = PyFunction_GET_GLOBALS(func); |
|
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4229 PyObject *argdefs = PyFunction_GET_DEFAULTS(func); |
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4230 PyObject *kwdefs = PyFunction_GET_KW_DEFAULTS(func); |
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|
4231 PyObject **d = NULL; |
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4232 int nd = 0; |
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4233 |
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|
4234 PCALL(PCALL_FUNCTION); |
|
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|
4235 PCALL(PCALL_FAST_FUNCTION); |
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4236 if (argdefs == NULL && co->co_argcount == n && |
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4237 co->co_kwonlyargcount == 0 && nk==0 && |
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4238 co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { |
|
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|
4239 PyFrameObject *f; |
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4240 PyObject *retval = NULL; |
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|
4241 PyThreadState *tstate = PyThreadState_GET(); |
|
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4242 PyObject **fastlocals, **stack; |
|
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|
4243 int i; |
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4244 |
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|
4245 PCALL(PCALL_FASTER_FUNCTION); |
|
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|
4246 assert(globals != NULL); |
|
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4247 /* XXX Perhaps we should create a specialized |
|
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|
4248 PyFrame_New() that doesn't take locals, but does |
|
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4249 take builtins without sanity checking them. |
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4250 */ |
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|
4251 assert(tstate != NULL); |
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4252 f = PyFrame_New(tstate, co, globals, NULL); |
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|
4253 if (f == NULL) |
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4254 return NULL; |
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|
4255 |
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4256 fastlocals = f->f_localsplus; |
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4257 stack = (*pp_stack) - n; |
|
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4258 |
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|
4259 for (i = 0; i < n; i++) { |
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|
4260 Py_INCREF(*stack); |
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|
4261 fastlocals[i] = *stack++; |
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4262 } |
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|
4263 retval = PyEval_EvalFrameEx(f,0); |
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|
4264 ++tstate->recursion_depth; |
|
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|
4265 Py_DECREF(f); |
|
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|
4266 --tstate->recursion_depth; |
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4267 return retval; |
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4268 } |
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|
4269 if (argdefs != NULL) { |
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|
4270 d = &PyTuple_GET_ITEM(argdefs, 0); |
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|
4271 nd = Py_SIZE(argdefs); |
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4272 } |
|
66664
62b61abd02b8
Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents:
66556
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|
4273 return PyEval_EvalCodeEx((PyObject*)co, globals, |
|
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|
4274 (PyObject *)NULL, (*pp_stack)-n, na, |
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4275 (*pp_stack)-2*nk, nk, d, nd, kwdefs, |
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|
4276 PyFunction_GET_CLOSURE(func)); |
|
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|
4277 } |
|
2481b5fe86d6
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Jeremy Hylton <jeremy@alum.mit.edu>
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|
4278 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
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|
4279 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
|
4280 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
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|
4281 PyObject *func) |
|
15711
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Jeremy Hylton <jeremy@alum.mit.edu>
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|
4282 { |
|
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|
4283 PyObject *kwdict = NULL; |
|
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|
4284 if (orig_kwdict == NULL) |
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|
4285 kwdict = PyDict_New(); |
|
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4286 else { |
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|
4287 kwdict = PyDict_Copy(orig_kwdict); |
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|
4288 Py_DECREF(orig_kwdict); |
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4289 } |
|
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|
4290 if (kwdict == NULL) |
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|
4291 return NULL; |
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|
4292 while (--nk >= 0) { |
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|
4293 int err; |
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|
4294 PyObject *value = EXT_POP(*pp_stack); |
|
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|
4295 PyObject *key = EXT_POP(*pp_stack); |
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4296 if (PyDict_GetItem(kwdict, key) != NULL) { |
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4297 PyErr_Format(PyExc_TypeError, |
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4298 "%.200s%s got multiple values " |
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|
4299 "for keyword argument '%U'", |
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4300 PyEval_GetFuncName(func), |
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4301 PyEval_GetFuncDesc(func), |
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4302 key); |
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4303 Py_DECREF(key); |
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|
4304 Py_DECREF(value); |
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|
4305 Py_DECREF(kwdict); |
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4306 return NULL; |
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4307 } |
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4308 err = PyDict_SetItem(kwdict, key, value); |
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|
4309 Py_DECREF(key); |
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|
4310 Py_DECREF(value); |
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4311 if (err) { |
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4312 Py_DECREF(kwdict); |
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4313 return NULL; |
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4314 } |
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4315 } |
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4316 return kwdict; |
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4317 } |
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4318 |
|
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4319 static PyObject * |
|
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4320 update_star_args(int nstack, int nstar, PyObject *stararg, |
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4321 PyObject ***pp_stack) |
|
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4322 { |
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4323 PyObject *callargs, *w; |
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changeset
|
4324 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4325 callargs = PyTuple_New(nstack + nstar); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4326 if (callargs == NULL) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4327 return NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4328 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4329 if (nstar) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4330 int i; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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|
4331 for (i = 0; i < nstar; i++) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4332 PyObject *a = PyTuple_GET_ITEM(stararg, i); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4333 Py_INCREF(a); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4334 PyTuple_SET_ITEM(callargs, nstack + i, a); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4335 } |
|
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|
4336 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4337 while (--nstack >= 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4338 w = EXT_POP(*pp_stack); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4339 PyTuple_SET_ITEM(callargs, nstack, w); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4340 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4341 return callargs; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4342 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4343 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4344 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4345 load_args(PyObject ***pp_stack, int na) |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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diff
changeset
|
4346 { |
|
61467
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|
4347 PyObject *args = PyTuple_New(na); |
|
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|
4348 PyObject *w; |
|
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|
4349 |
|
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|
4350 if (args == NULL) |
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|
4351 return NULL; |
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|
4352 while (--na >= 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4353 w = EXT_POP(*pp_stack); |
|
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|
4354 PyTuple_SET_ITEM(args, na, w); |
|
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|
4355 } |
|
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|
4356 return args; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4357 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4358 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4359 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4360 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
|
4361 { |
|
61467
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|
4362 PyObject *callargs = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4363 PyObject *kwdict = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4364 PyObject *result = NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4365 |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4366 if (nk > 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4367 kwdict = update_keyword_args(NULL, nk, pp_stack, func); |
|
f197407bdba2
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|
4368 if (kwdict == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4369 goto call_fail; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4370 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4371 callargs = load_args(pp_stack, na); |
|
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|
4372 if (callargs == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4373 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
|
4374 #ifdef CALL_PROFILE |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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|
4375 /* 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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|
4376 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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|
4377 exposing the call stats machinery outside ceval.c |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4378 */ |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4379 if (PyFunction_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4380 PCALL(PCALL_FUNCTION); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4381 else if (PyMethod_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4382 PCALL(PCALL_METHOD); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4383 else if (PyType_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4384 PCALL(PCALL_TYPE); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4385 else if (PyCFunction_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4386 PCALL(PCALL_CFUNCTION); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4387 else |
|
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|
4388 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
|
4389 #endif |
|
61467
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|
4390 if (PyCFunction_Check(func)) { |
|
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|
4391 PyThreadState *tstate = PyThreadState_GET(); |
|
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|
4392 C_TRACE(result, PyCFunction_Call(func, callargs, kwdict)); |
|
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|
4393 } |
|
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|
4394 else |
|
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|
4395 result = PyObject_Call(func, callargs, kwdict); |
| 43411 | 4396 call_fail: |
|
61467
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|
4397 Py_XDECREF(callargs); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4398 Py_XDECREF(kwdict); |
|
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|
4399 return result; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4400 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4401 |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4402 static PyObject * |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4403 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
|
4404 { |
|
61467
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|
4405 int nstar = 0; |
|
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|
4406 PyObject *callargs = NULL; |
|
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|
4407 PyObject *stararg = NULL; |
|
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|
4408 PyObject *kwdict = NULL; |
|
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|
4409 PyObject *result = NULL; |
|
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|
4410 |
|
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|
4411 if (flags & CALL_FLAG_KW) { |
|
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|
4412 kwdict = EXT_POP(*pp_stack); |
|
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|
4413 if (!PyDict_Check(kwdict)) { |
|
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|
4414 PyObject *d; |
|
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|
4415 d = PyDict_New(); |
|
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|
4416 if (d == NULL) |
|
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|
4417 goto ext_call_fail; |
|
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|
4418 if (PyDict_Update(d, kwdict) != 0) { |
|
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|
4419 Py_DECREF(d); |
|
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|
4420 /* PyDict_Update raises attribute |
|
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|
4421 * error (percolated from an attempt |
|
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|
4422 * to get 'keys' attribute) instead of |
|
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|
4423 * a type error if its second argument |
|
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|
4424 * is not a mapping. |
|
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|
4425 */ |
|
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|
4426 if (PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
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changeset
|
4427 PyErr_Format(PyExc_TypeError, |
|
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|
4428 "%.200s%.200s argument after ** " |
|
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|
4429 "must be a mapping, not %.200s", |
|
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|
4430 PyEval_GetFuncName(func), |
|
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|
4431 PyEval_GetFuncDesc(func), |
|
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|
4432 kwdict->ob_type->tp_name); |
|
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diff
changeset
|
4433 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4434 goto ext_call_fail; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4435 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4436 Py_DECREF(kwdict); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4437 kwdict = d; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4438 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4439 } |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4440 if (flags & CALL_FLAG_VAR) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4441 stararg = EXT_POP(*pp_stack); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
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diff
changeset
|
4442 if (!PyTuple_Check(stararg)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4443 PyObject *t = NULL; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4444 t = PySequence_Tuple(stararg); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4445 if (t == NULL) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4446 if (PyErr_ExceptionMatches(PyExc_TypeError)) { |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4447 PyErr_Format(PyExc_TypeError, |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4448 "%.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
|
4449 "must be a sequence, not %.200s", |
|
61467
f197407bdba2
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diff
changeset
|
4450 PyEval_GetFuncName(func), |
|
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Recorded merge of revisions 81032 via svnmerge from
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diff
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|
4451 PyEval_GetFuncDesc(func), |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4452 stararg->ob_type->tp_name); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4453 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4454 goto ext_call_fail; |
|
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diff
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|
4455 } |
|
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|
4456 Py_DECREF(stararg); |
|
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|
4457 stararg = t; |
|
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|
4458 } |
|
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|
4459 nstar = PyTuple_GET_SIZE(stararg); |
|
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|
4460 } |
|
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|
4461 if (nk > 0) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4462 kwdict = update_keyword_args(kwdict, nk, pp_stack, func); |
|
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|
4463 if (kwdict == NULL) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4464 goto ext_call_fail; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4465 } |
|
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|
4466 callargs = update_star_args(na, nstar, stararg, pp_stack); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4467 if (callargs == NULL) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4468 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
|
4469 #ifdef CALL_PROFILE |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4470 /* At this point, we have to look at the type of func to |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4471 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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|
4472 exposing the call stats machinery outside ceval.c |
|
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|
4473 */ |
|
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|
4474 if (PyFunction_Check(func)) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4475 PCALL(PCALL_FUNCTION); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4476 else if (PyMethod_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4477 PCALL(PCALL_METHOD); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4478 else if (PyType_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4479 PCALL(PCALL_TYPE); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4480 else if (PyCFunction_Check(func)) |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4481 PCALL(PCALL_CFUNCTION); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4482 else |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4483 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
|
4484 #endif |
|
61467
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|
4485 if (PyCFunction_Check(func)) { |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4486 PyThreadState *tstate = PyThreadState_GET(); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4487 C_TRACE(result, PyCFunction_Call(func, callargs, kwdict)); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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|
4488 } |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4489 else |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4490 result = PyObject_Call(func, callargs, kwdict); |
|
43410
b06b191b7cfa
Merged revisions 58203-58210 via svnmerge from
Thomas Wouters <thomas@python.org>
parents:
43188
diff
changeset
|
4491 ext_call_fail: |
|
61467
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Recorded merge of revisions 81032 via svnmerge from
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|
4492 Py_XDECREF(callargs); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4493 Py_XDECREF(kwdict); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4494 Py_XDECREF(stararg); |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4495 return result; |
|
15711
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4496 } |
|
2481b5fe86d6
Revised implementation of CALL_FUNCTION and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
15364
diff
changeset
|
4497 |
|
36882
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36877
diff
changeset
|
4498 /* Extract a slice index from a PyInt or PyLong or an object with the |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36877
diff
changeset
|
4499 nb_index slot defined, and store in *pi. |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36877
diff
changeset
|
4500 Silently reduce values larger than PY_SSIZE_T_MAX to PY_SSIZE_T_MAX, |
|
6a9c7165b17b
Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents:
36877
diff
changeset
|
4501 and silently boost values less than -PY_SSIZE_T_MAX-1 to -PY_SSIZE_T_MAX-1. |
|
36558
d3685f9b7b71
Remove size constraints in SLICE opcodes.
Martin v. Löwis <martin@v.loewis.de>
parents:
36501
diff
changeset
|
4502 Return 0 on error, 1 on success. |
|
21440
30efe46f8e3c
_PyEval_SliceIndex(): Repaired the comments, and added XXX comments
Tim Peters <tim.peters@gmail.com>
parents:
21398
diff
changeset
|
4503 */ |
|
21441
05ad7a69d933
_PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents:
21440
diff
changeset
|
4504 /* Note: If v is NULL, return success without storing into *pi. This |
|
05ad7a69d933
_PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents:
21440
diff
changeset
|
4505 is because_PyEval_SliceIndex() is called by apply_slice(), which can be |
|
05ad7a69d933
_PyEval_SliceIndex(): explain why a NULL argument is allowed (thanks
Tim Peters <tim.peters@gmail.com>
parents:
21440
diff
changeset
|
4506 called by the SLICE opcode with v and/or w equal to NULL. |
|
21440
30efe46f8e3c
_PyEval_SliceIndex(): Repaired the comments, and added XXX comments
Tim Peters <tim.peters@gmail.com>
parents:
21398
diff
changeset
|
4507 */ |
| 12614 | 4508 int |
|
36501
7fdc639bc5b4
Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents:
36475
diff
changeset
|
4509 _PyEval_SliceIndex(PyObject *v, Py_ssize_t *pi) |
| 69 | 4510 { |
|
61467
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|
4511 if (v != NULL) { |
|
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|
4512 Py_ssize_t x; |
|
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|
4513 if (PyIndex_Check(v)) { |
|
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|
4514 x = PyNumber_AsSsize_t(v, NULL); |
|
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|
4515 if (x == -1 && PyErr_Occurred()) |
|
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|
4516 return 0; |
|
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|
4517 } |
|
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|
4518 else { |
|
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|
4519 PyErr_SetString(PyExc_TypeError, |
|
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|
4520 "slice indices must be integers or " |
|
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|
4521 "None or have an __index__ method"); |
|
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|
4522 return 0; |
|
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|
4523 } |
|
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|
4524 *pi = x; |
|
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|
4525 } |
|
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|
4526 return 1; |
| 69 | 4527 } |
| 4528 | |
|
42132
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Guido van Rossum <guido@python.org>
parents:
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changeset
|
4529 #define CANNOT_CATCH_MSG "catching classes that do not inherit from "\ |
|
61467
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|
4530 "BaseException is not allowed" |
|
40942
4b9d0dac79cc
You can no longer catch non-BaseException objects; TypeError is raised if such
Brett Cannon <bcannon@gmail.com>
parents:
40937
diff
changeset
|
4531 |
| 5368 | 4532 static PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
13620
diff
changeset
|
4533 cmp_outcome(int op, register PyObject *v, register PyObject *w) |
| 69 | 4534 { |
|
61467
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|
4535 int res = 0; |
|
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|
4536 switch (op) { |
|
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|
4537 case PyCmp_IS: |
|
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|
4538 res = (v == w); |
|
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|
4539 break; |
|
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changeset
|
4540 case PyCmp_IS_NOT: |
|
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|
4541 res = (v != w); |
|
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|
4542 break; |
|
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|
4543 case PyCmp_IN: |
|
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|
4544 res = PySequence_Contains(w, v); |
|
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changeset
|
4545 if (res < 0) |
|
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|
4546 return NULL; |
|
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|
4547 break; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4548 case PyCmp_NOT_IN: |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4549 res = PySequence_Contains(w, v); |
|
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|
4550 if (res < 0) |
|
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|
4551 return NULL; |
|
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|
4552 res = !res; |
|
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|
4553 break; |
|
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|
4554 case PyCmp_EXC_MATCH: |
|
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|
4555 if (PyTuple_Check(w)) { |
|
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|
4556 Py_ssize_t i, length; |
|
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|
4557 length = PyTuple_Size(w); |
|
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|
4558 for (i = 0; i < length; i += 1) { |
|
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|
4559 PyObject *exc = PyTuple_GET_ITEM(w, i); |
|
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|
4560 if (!PyExceptionClass_Check(exc)) { |
|
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|
4561 PyErr_SetString(PyExc_TypeError, |
|
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|
4562 CANNOT_CATCH_MSG); |
|
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|
4563 return NULL; |
|
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|
4564 } |
|
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|
4565 } |
|
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|
4566 } |
|
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|
4567 else { |
|
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|
4568 if (!PyExceptionClass_Check(w)) { |
|
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|
4569 PyErr_SetString(PyExc_TypeError, |
|
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|
4570 CANNOT_CATCH_MSG); |
|
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|
4571 return NULL; |
|
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|
4572 } |
|
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|
4573 } |
|
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|
4574 res = PyErr_GivenExceptionMatches(v, w); |
|
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|
4575 break; |
|
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4576 default: |
|
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|
4577 return PyObject_RichCompare(v, w, op); |
|
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4578 } |
|
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|
4579 v = res ? Py_True : Py_False; |
|
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|
4580 Py_INCREF(v); |
|
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|
4581 return v; |
| 69 | 4582 } |
| 4583 | |
|
14038
18385172fac0
Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents:
13930
diff
changeset
|
4584 static PyObject * |
|
18385172fac0
Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents:
13930
diff
changeset
|
4585 import_from(PyObject *v, PyObject *name) |
|
72
5e8a0b40a4bd
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Guido van Rossum <guido@python.org>
parents:
69
diff
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|
4586 { |
|
61467
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|
4587 PyObject *x; |
|
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|
4588 |
|
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|
4589 x = PyObject_GetAttr(v, name); |
|
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|
4590 if (x == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) { |
|
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|
4591 PyErr_Format(PyExc_ImportError, "cannot import name %S", name); |
|
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|
4592 } |
|
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|
4593 return x; |
|
14038
18385172fac0
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Thomas Wouters <thomas@python.org>
parents:
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diff
changeset
|
4594 } |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
diff
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|
4595 |
|
14038
18385172fac0
Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents:
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diff
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|
4596 static int |
|
18385172fac0
Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents:
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diff
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|
4597 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:
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diff
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|
4598 { |
|
72926
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
72925
diff
changeset
|
4599 _Py_IDENTIFIER(__all__); |
|
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
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diff
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|
4600 _Py_IDENTIFIER(__dict__); |
|
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
72925
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|
4601 PyObject *all = _PyObject_GetAttrId(v, &PyId___all__); |
|
61467
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|
4602 PyObject *dict, *name, *value; |
|
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|
4603 int skip_leading_underscores = 0; |
|
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|
4604 int pos, err; |
|
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|
4605 |
|
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|
4606 if (all == NULL) { |
|
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|
4607 if (!PyErr_ExceptionMatches(PyExc_AttributeError)) |
|
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|
4608 return -1; /* Unexpected error */ |
|
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|
4609 PyErr_Clear(); |
|
72926
db4aa878cea2
Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents:
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|
4610 dict = _PyObject_GetAttrId(v, &PyId___dict__); |
|
61467
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|
4611 if (dict == NULL) { |
|
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|
4612 if (!PyErr_ExceptionMatches(PyExc_AttributeError)) |
|
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|
4613 return -1; |
|
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|
4614 PyErr_SetString(PyExc_ImportError, |
|
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|
4615 "from-import-* object has no __dict__ and no __all__"); |
|
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|
4616 return -1; |
|
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|
4617 } |
|
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|
4618 all = PyMapping_Keys(dict); |
|
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|
4619 Py_DECREF(dict); |
|
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|
4620 if (all == NULL) |
|
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|
4621 return -1; |
|
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|
4622 skip_leading_underscores = 1; |
|
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|
4623 } |
|
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|
4624 |
|
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|
4625 for (pos = 0, err = 0; ; pos++) { |
|
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|
4626 name = PySequence_GetItem(all, pos); |
|
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|
4627 if (name == NULL) { |
|
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|
4628 if (!PyErr_ExceptionMatches(PyExc_IndexError)) |
|
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|
4629 err = -1; |
|
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|
4630 else |
|
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|
4631 PyErr_Clear(); |
|
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4632 break; |
|
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|
4633 } |
|
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|
4634 if (skip_leading_underscores && |
|
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|
4635 PyUnicode_Check(name) && |
| 72475 | 4636 PyUnicode_READY(name) != -1 && |
| 4637 PyUnicode_READ_CHAR(name, 0) == '_') | |
|
61467
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|
4638 { |
|
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|
4639 Py_DECREF(name); |
|
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|
4640 continue; |
|
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|
4641 } |
|
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|
4642 value = PyObject_GetAttr(v, name); |
|
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|
4643 if (value == NULL) |
|
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|
4644 err = -1; |
|
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|
4645 else if (PyDict_CheckExact(locals)) |
|
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|
4646 err = PyDict_SetItem(locals, name, value); |
|
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|
4647 else |
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|
4648 err = PyObject_SetItem(locals, name, value); |
|
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|
4649 Py_DECREF(name); |
|
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|
4650 Py_XDECREF(value); |
|
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|
4651 if (err != 0) |
|
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4652 break; |
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4653 } |
|
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|
4654 Py_DECREF(all); |
|
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|
4655 return err; |
|
72
5e8a0b40a4bd
Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
4656 } |
|
5e8a0b40a4bd
Free parse tree after compiling.
Guido van Rossum <guido@python.org>
parents:
69
diff
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|
4657 |
|
15948
3bc2440427d3
Rich comparisons fall-out:
Guido van Rossum <guido@python.org>
parents:
15899
diff
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|
4658 static void |
| 42860 | 4659 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
|
4660 { |
|
61467
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4661 const char *obj_str; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4662 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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parents:
59858
diff
changeset
|
4663 if (!obj) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4664 return; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4665 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4666 obj_str = _PyUnicode_AsString(obj); |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4667 if (!obj_str) |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4668 return; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
59858
diff
changeset
|
4669 |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents:
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diff
changeset
|
4670 PyErr_Format(exc, format_str, obj_str); |
|
14268
cd8b815cb196
Better error message with UnboundLocalError
Paul Prescod <prescod@prescod.net>
parents:
14238
diff
changeset
|
4671 } |
|
5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4672 |
|
64620
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4673 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
|
4674 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
|
4675 { |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4676 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
|
4677 /* 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
|
4678 if (PyErr_Occurred()) |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4679 return; |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4680 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:
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diff
changeset
|
4681 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
|
4682 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
|
4683 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
|
4684 PyExc_UnboundLocalError, |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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diff
changeset
|
4685 UNBOUNDLOCAL_ERROR_MSG, |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
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diff
changeset
|
4686 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
|
4687 } else { |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4688 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
|
4689 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
|
4690 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
|
4691 UNBOUNDFREE_ERROR_MSG, name); |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4692 } |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4693 } |
|
25cc226dc9bd
#4617: Previously it was illegal to delete a name from the local
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents:
64439
diff
changeset
|
4694 |
|
72605
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4695 static PyObject * |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4696 unicode_concatenate(PyObject *v, PyObject *w, |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4697 PyFrameObject *f, unsigned char *next_instr) |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4698 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4699 PyObject *res; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4700 if (Py_REFCNT(v) == 2) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4701 /* In the common case, there are 2 references to the value |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4702 * stored in 'variable' when the += is performed: one on the |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4703 * value stack (in 'v') and one still stored in the |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4704 * '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
|
4705 * the refcnt to 1. |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4706 */ |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4707 switch (*next_instr) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4708 case STORE_FAST: |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4709 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4710 int oparg = PEEKARG(); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4711 PyObject **fastlocals = f->f_localsplus; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4712 if (GETLOCAL(oparg) == v) |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4713 SETLOCAL(oparg, NULL); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4714 break; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4715 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4716 case STORE_DEREF: |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4717 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4718 PyObject **freevars = (f->f_localsplus + |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4719 f->f_code->co_nlocals); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4720 PyObject *c = freevars[PEEKARG()]; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4721 if (PyCell_GET(c) == v) |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4722 PyCell_Set(c, NULL); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4723 break; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4724 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4725 case STORE_NAME: |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4726 { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4727 PyObject *names = f->f_code->co_names; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4728 PyObject *name = GETITEM(names, PEEKARG()); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4729 PyObject *locals = f->f_locals; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4730 if (PyDict_CheckExact(locals) && |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4731 PyDict_GetItem(locals, name) == v) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4732 if (PyDict_DelItem(locals, name) != 0) { |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4733 PyErr_Clear(); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4734 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4735 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4736 break; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4737 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4738 } |
|
07d27d865e2c
ceval.c: restore str+=str optimization
Victor Stinner <victor.stinner@haypocalc.com>
parents:
72558
diff
changeset
|
4739 } |
|
07d27d865e2c
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parents:
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diff
changeset
|
4740 res = v; |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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parents:
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diff
changeset
|
4741 PyUnicode_Append(&res, w); |
|
07d27d865e2c
ceval.c: restore str+=str optimization
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parents:
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diff
changeset
|
4742 return res; |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
parents:
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diff
changeset
|
4743 } |
|
07d27d865e2c
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Victor Stinner <victor.stinner@haypocalc.com>
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diff
changeset
|
4744 |
|
5049
946b2b2a7622
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Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
4745 #ifdef DYNAMIC_EXECUTION_PROFILE |
|
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diff
changeset
|
4746 |
|
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
|
4747 static PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents:
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diff
changeset
|
4748 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
|
4749 { |
|
61467
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Antoine Pitrou <solipsis@pitrou.net>
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|
4750 int i; |
|
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Recorded merge of revisions 81032 via svnmerge from
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changeset
|
4751 PyObject *l = PyList_New(256); |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4752 if (l == NULL) return NULL; |
|
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Recorded merge of revisions 81032 via svnmerge from
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|
4753 for (i = 0; i < 256; i++) { |
|
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changeset
|
4754 PyObject *x = PyLong_FromLong(a[i]); |
|
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|
4755 if (x == NULL) { |
|
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changeset
|
4756 Py_DECREF(l); |
|
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|
4757 return NULL; |
|
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|
4758 } |
|
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changeset
|
4759 PyList_SetItem(l, i, x); |
|
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|
4760 } |
|
f197407bdba2
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changeset
|
4761 for (i = 0; i < 256; i++) |
|
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changeset
|
4762 a[i] = 0; |
|
f197407bdba2
Recorded merge of revisions 81032 via svnmerge from
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diff
changeset
|
4763 return l; |
|
5049
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4764 } |
|
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4765 |
|
946b2b2a7622
Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
diff
changeset
|
4766 PyObject * |
|
13658
f79434ee41fa
Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
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13620
diff
changeset
|
4767 _Py_GetDXProfile(PyObject *self, PyObject *args) |
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Guido van Rossum <guido@python.org>
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4768 { |
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Guido van Rossum <guido@python.org>
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4769 #ifndef DXPAIRS |
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4770 return getarray(dxp); |
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Guido van Rossum <guido@python.org>
parents:
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4771 #else |
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4772 int i; |
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4773 PyObject *l = PyList_New(257); |
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4774 if (l == NULL) return NULL; |
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4775 for (i = 0; i < 257; i++) { |
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4776 PyObject *x = getarray(dxpairs[i]); |
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4777 if (x == NULL) { |
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4778 Py_DECREF(l); |
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4779 return NULL; |
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4780 } |
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4781 PyList_SetItem(l, i, x); |
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4782 } |
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4783 return l; |
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Guido van Rossum <guido@python.org>
parents:
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4784 #endif |
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Patches for (two forms of) optional dynamic execution profiling --
Guido van Rossum <guido@python.org>
parents:
5048
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4785 } |
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Guido van Rossum <guido@python.org>
parents:
5048
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4786 |
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Guido van Rossum <guido@python.org>
parents:
5048
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4787 #endif |