Mercurial > cpython-lru_cache-weakref

annotate Python/modsupport.c @ 14278:fb8fb53a2eff legacy-trunk

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Add a comment explaining the return value of PyOS_CheckStack().
author Fred Drake <fdrake@acm.org>
date Thu, 31 Aug 2000 05:38:39 +0000
parents 94f6ec87930a
children 6f6f965c5e2d
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1 /***********************************************************
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2 Copyright (c) 2000, BeOpen.com.
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3 Copyright (c) 1995-2000, Corporation for National Research Initiatives.
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4 Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
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5 All rights reserved.
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6
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7 See the file "Misc/COPYRIGHT" for information on usage and
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8 redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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9 ******************************************************************/
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10
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11 /* Module support implementation */
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12
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13 #include "Python.h"
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14 #ifdef HAVE_LIMITS_H
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15 #include <limits.h>
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16 #endif
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17
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18 #ifdef MPW /* MPW pushes 'extended' for float and double types with varargs */
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19 typedef extended va_double;
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20 #else
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21 typedef double va_double;
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22 #endif
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23
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24 /* Package context -- the full module name for package imports */
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25 char *_Py_PackageContext = NULL;
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26
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27 /* Py_InitModule4() parameters:
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28 - name is the module name
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29 - methods is the list of top-level functions
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30 - doc is the documentation string
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31 - passthrough is passed as self to functions defined in the module
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32 - api_version is the value of PYTHON_API_VERSION at the time the
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33 module was compiled
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34
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35 Return value is a borrowed reference to the module object; or NULL
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36 if an error occurred (in Python 1.4 and before, errors were fatal).
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37 Errors may still leak memory.
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38 */
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39
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40 static char api_version_warning[] =
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41 "WARNING: Python C API version mismatch for module %s:\n\
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42 This Python has API version %d, module %s has version %d.\n";
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43
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44 PyObject *
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45 Py_InitModule4(char *name, PyMethodDef *methods, char *doc,
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46 PyObject *passthrough, int module_api_version)
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47 {
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48 PyObject *m, *d, *v;
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49 PyMethodDef *ml;
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50 if (!Py_IsInitialized())
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51 Py_FatalError("Interpreter not initialized (version mismatch?)");
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52 if (module_api_version != PYTHON_API_VERSION)
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53 fprintf(stderr, api_version_warning,
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54 name, PYTHON_API_VERSION, name, module_api_version);
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55 if (_Py_PackageContext != NULL) {
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56 char *p = strrchr(_Py_PackageContext, '.');
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57 if (p != NULL && strcmp(name, p+1) == 0) {
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58 name = _Py_PackageContext;
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59 _Py_PackageContext = NULL;
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60 }
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61 }
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62 if ((m = PyImport_AddModule(name)) == NULL)
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63 return NULL;
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64 d = PyModule_GetDict(m);
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65 for (ml = methods; ml->ml_name != NULL; ml++) {
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66 v = PyCFunction_New(ml, passthrough);
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67 if (v == NULL)
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68 return NULL;
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69 if (PyDict_SetItemString(d, ml->ml_name, v) != 0)
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70 return NULL;
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71 Py_DECREF(v);
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72 }
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73 if (doc != NULL) {
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74 v = PyString_FromString(doc);
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75 if (v == NULL || PyDict_SetItemString(d, "__doc__", v) != 0)
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76 return NULL;
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77 Py_DECREF(v);
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78 }
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79 return m;
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80 }
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81
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82
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83 /* Helper for mkvalue() to scan the length of a format */
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84
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85 static int countformat(char *format, int endchar)
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86 {
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87 int count = 0;
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88 int level = 0;
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89 while (level > 0 || *format != endchar) {
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90 switch (*format) {
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91 case '\0':
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92 /* Premature end */
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93 PyErr_SetString(PyExc_SystemError,
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94 "unmatched paren in format");
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95 return -1;
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96 case '(':
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97 case '[':
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98 case '{':
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99 if (level == 0)
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100 count++;
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101 level++;
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102 break;
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103 case ')':
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104 case ']':
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105 case '}':
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106 level--;
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107 break;
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108 case '#':
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109 case '&':
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110 case ',':
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111 case ':':
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112 case ' ':
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113 case '\t':
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114 break;
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115 default:
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116 if (level == 0)
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117 count++;
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118 }
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119 format++;
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120 }
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121 return count;
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122 }
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123
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124
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125 /* Generic function to create a value -- the inverse of getargs() */
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126 /* After an original idea and first implementation by Steven Miale */
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127
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128 static PyObject *do_mktuple(char**, va_list *, int, int);
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129 static PyObject *do_mklist(char**, va_list *, int, int);
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130 static PyObject *do_mkdict(char**, va_list *, int, int);
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131 static PyObject *do_mkvalue(char**, va_list *);
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132
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133
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134 static PyObject *
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135 do_mkdict(char **p_format, va_list *p_va, int endchar, int n)
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136 {
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137 PyObject *d;
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138 int i;
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139 if (n < 0)
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140 return NULL;
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141 if ((d = PyDict_New()) == NULL)
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142 return NULL;
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143 for (i = 0; i < n; i+= 2) {
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144 PyObject *k, *v;
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145 int err;
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146 k = do_mkvalue(p_format, p_va);
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147 if (k == NULL) {
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148 Py_DECREF(d);
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149 return NULL;
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150 }
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151 v = do_mkvalue(p_format, p_va);
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152 if (v == NULL) {
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153 Py_DECREF(k);
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154 Py_DECREF(d);
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155 return NULL;
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156 }
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157 err = PyDict_SetItem(d, k, v);
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158 Py_DECREF(k);
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159 Py_DECREF(v);
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160 if (err < 0) {
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161 Py_DECREF(d);
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162 return NULL;
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163 }
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164 }
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165 if (d != NULL && **p_format != endchar) {
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166 Py_DECREF(d);
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167 d = NULL;
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168 PyErr_SetString(PyExc_SystemError,
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169 "Unmatched paren in format");
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170 }
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171 else if (endchar)
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172 ++*p_format;
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173 return d;
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174 }
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175
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176 static PyObject *
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177 do_mklist(char **p_format, va_list *p_va, int endchar, int n)
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178 {
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179 PyObject *v;
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180 int i;
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181 if (n < 0)
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182 return NULL;
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183 if ((v = PyList_New(n)) == NULL)
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184 return NULL;
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185 for (i = 0; i < n; i++) {
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186 PyObject *w = do_mkvalue(p_format, p_va);
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187 if (w == NULL) {
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188 Py_DECREF(v);
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diff changeset
189 return NULL;
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diff changeset
190 }
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191 PyList_SetItem(v, i, w);
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192 }
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193 if (v != NULL && **p_format != endchar) {
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194 Py_DECREF(v);
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195 v = NULL;
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196 PyErr_SetString(PyExc_SystemError,
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197 "Unmatched paren in format");
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198 }
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diff changeset
199 else if (endchar)
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200 ++*p_format;
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diff changeset
201 return v;
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202 }
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diff changeset
203
12520
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Fred Drake <fdrake@acm.org>
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diff changeset
204 static int
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
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diff changeset
205 _ustrlen(Py_UNICODE *u)
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
206 {
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
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diff changeset
207 int i = 0;
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diff changeset
208 Py_UNICODE *v = u;
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diff changeset
209 while (*v != 0) { i++; v++; }
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diff changeset
210 return i;
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
211 }
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212
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213 static PyObject *
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Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
214 do_mktuple(char **p_format, va_list *p_va, int endchar, int n)
817
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diff changeset
215 {
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216 PyObject *v;
817
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diff changeset
217 int i;
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diff changeset
218 if (n < 0)
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219 return NULL;
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220 if ((v = PyTuple_New(n)) == NULL)
817
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diff changeset
221 return NULL;
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diff changeset
222 for (i = 0; i < n; i++) {
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223 PyObject *w = do_mkvalue(p_format, p_va);
817
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diff changeset
224 if (w == NULL) {
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225 Py_DECREF(v);
817
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diff changeset
226 return NULL;
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diff changeset
227 }
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228 PyTuple_SetItem(v, i, w);
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diff changeset
229 }
aa633f0defa6 Merged with Steve Miale's version
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diff changeset
230 if (v != NULL && **p_format != endchar) {
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diff changeset
231 Py_DECREF(v);
817
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diff changeset
232 v = NULL;
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diff changeset
233 PyErr_SetString(PyExc_SystemError,
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diff changeset
234 "Unmatched paren in format");
817
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Guido van Rossum <guido@python.org>
parents: 816
diff changeset
235 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
236 else if (endchar)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
237 ++*p_format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
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diff changeset
238 return v;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
239 }
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diff changeset
240
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diff changeset
241 static PyObject *
13658
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Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
242 do_mkvalue(char **p_format, va_list *p_va)
860
39134c99c923 Added parameter decls to do_mkvalue for non-template machines
Guido van Rossum <guido@python.org>
parents: 817
diff changeset
243 {
2052
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diff changeset
244 for (;;) {
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diff changeset
245 switch (*(*p_format)++) {
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
246 case '(':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
247 return do_mktuple(p_format, p_va, ')',
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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parents: 1913
diff changeset
248 countformat(*p_format, ')'));
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
249
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
250 case '[':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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parents: 1913
diff changeset
251 return do_mklist(p_format, p_va, ']',
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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parents: 1913
diff changeset
252 countformat(*p_format, ']'));
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parents: 1913
diff changeset
253
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
254 case '{':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
255 return do_mkdict(p_format, p_va, '}',
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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parents: 1913
diff changeset
256 countformat(*p_format, '}'));
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diff changeset
257
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
258 case 'b':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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parents: 1913
diff changeset
259 case 'h':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
260 case 'i':
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diff changeset
261 return PyInt_FromLong((long)va_arg(*p_va, int));
13378
113d833eea7e Added support for H (unsigned short) specifier in PyArg_ParseTuple and
Jack Jansen <jack.jansen@cwi.nl>
parents: 13330
diff changeset
262
113d833eea7e Added support for H (unsigned short) specifier in PyArg_ParseTuple and
Jack Jansen <jack.jansen@cwi.nl>
parents: 13330
diff changeset
263 case 'H':
113d833eea7e Added support for H (unsigned short) specifier in PyArg_ParseTuple and
Jack Jansen <jack.jansen@cwi.nl>
parents: 13330
diff changeset
264 return PyInt_FromLong((long)va_arg(*p_va, unsigned int));
2052
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diff changeset
265
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
266 case 'l':
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267 return PyInt_FromLong((long)va_arg(*p_va, long));
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parents: 1913
diff changeset
268
9949
98e37347378b Change rare occurrences of #if HAVE_LONG_LONG to #ifdef.
Guido van Rossum <guido@python.org>
parents: 9722
diff changeset
269 #ifdef HAVE_LONG_LONG
8822
bd47ee068b83 Changes for BeOS, QNX and long long, by Chris Herborth.
Guido van Rossum <guido@python.org>
parents: 8640
diff changeset
270 case 'L':
9044
d437b6683e24 Patch by Mark Hammond to support 64-bit ints on MS platforms.
Guido van Rossum <guido@python.org>
parents: 8898
diff changeset
271 return PyLong_FromLongLong((LONG_LONG)va_arg(*p_va, LONG_LONG));
8822
bd47ee068b83 Changes for BeOS, QNX and long long, by Chris Herborth.
Guido van Rossum <guido@python.org>
parents: 8640
diff changeset
272 #endif
12520
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
273 case 'u':
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
274 {
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
275 PyObject *v;
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
276 Py_UNICODE *u = va_arg(*p_va, Py_UNICODE *);
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
277 int n;
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
278 if (**p_format == '#') {
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
279 ++*p_format;
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
280 n = va_arg(*p_va, int);
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
281 }
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
282 else
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
283 n = -1;
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
284 if (u == NULL) {
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
285 v = Py_None;
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
286 Py_INCREF(v);
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
287 }
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
288 else {
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
289 if (n < 0)
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
290 n = _ustrlen(u);
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
291 v = PyUnicode_FromUnicode(u, n);
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
292 }
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
293 return v;
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 9949
diff changeset
294 }
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
295 case 'f':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
296 case 'd':
5373
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
297 return PyFloat_FromDouble(
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
298 (double)va_arg(*p_va, va_double));
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
299
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
300 case 'c':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
301 {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
302 char p[1];
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
303 p[0] = va_arg(*p_va, int);
5373
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
304 return PyString_FromStringAndSize(p, 1);
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
305 }
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
306
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
307 case 's':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
308 case 'z':
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
309 {
5373
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
310 PyObject *v;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
311 char *str = va_arg(*p_va, char *);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
312 int n;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
313 if (**p_format == '#') {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
314 ++*p_format;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
315 n = va_arg(*p_va, int);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
316 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
317 else
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
318 n = -1;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
319 if (str == NULL) {
5373
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
320 v = Py_None;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
321 Py_INCREF(v);
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
322 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
323 else {
13096
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
324 if (n < 0) {
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
325 size_t m = strlen(str);
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
326 if (m > INT_MAX) {
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
327 PyErr_SetString(PyExc_OverflowError,
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
328 "string too long for Python string");
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
329 return NULL;
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
330 }
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
331 n = (int)m;
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12520
diff changeset
332 }
5373
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
333 v = PyString_FromStringAndSize(str, n);
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
334 }
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
335 return v;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
336 }
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
337
9720
24ca64134594 Add 'N' format character to Py_BuildValue -- like 'O' but doesn't INCREF.
Guido van Rossum <guido@python.org>
parents: 9044
diff changeset
338 case 'N':
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
339 case 'S':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
340 case 'O':
2202
9894e55468ec support "O&" taking an object constructor a void*
Guido van Rossum <guido@python.org>
parents: 2154
diff changeset
341 if (**p_format == '&') {
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13378
diff changeset
342 typedef PyObject *(*converter)(void *);
2202
9894e55468ec support "O&" taking an object constructor a void*
Guido van Rossum <guido@python.org>
parents: 2154
diff changeset
343 converter func = va_arg(*p_va, converter);
9894e55468ec support "O&" taking an object constructor a void*
Guido van Rossum <guido@python.org>
parents: 2154
diff changeset
344 void *arg = va_arg(*p_va, void *);
9894e55468ec support "O&" taking an object constructor a void*
Guido van Rossum <guido@python.org>
parents: 2154
diff changeset
345 ++*p_format;
9894e55468ec support "O&" taking an object constructor a void*
Guido van Rossum <guido@python.org>
parents: 2154
diff changeset
346 return (*func)(arg);
9894e55468ec support "O&" taking an object constructor a void*
Guido van Rossum <guido@python.org>
parents: 2154
diff changeset
347 }
9894e55468ec support "O&" taking an object constructor a void*
Guido van Rossum <guido@python.org>
parents: 2154
diff changeset
348 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
349 PyObject *v;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
350 v = va_arg(*p_va, PyObject *);
9722
3955f787e9a1 Oops, forgot a pair of {}'s. (Greg Couch)
Guido van Rossum <guido@python.org>
parents: 9720
diff changeset
351 if (v != NULL) {
9720
24ca64134594 Add 'N' format character to Py_BuildValue -- like 'O' but doesn't INCREF.
Guido van Rossum <guido@python.org>
parents: 9044
diff changeset
352 if (*(*p_format - 1) != 'N')
24ca64134594 Add 'N' format character to Py_BuildValue -- like 'O' but doesn't INCREF.
Guido van Rossum <guido@python.org>
parents: 9044
diff changeset
353 Py_INCREF(v);
9722
3955f787e9a1 Oops, forgot a pair of {}'s. (Greg Couch)
Guido van Rossum <guido@python.org>
parents: 9720
diff changeset
354 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
355 else if (!PyErr_Occurred())
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
356 /* If a NULL was passed
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
357 * because a call that should
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
358 * have constructed a value
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
359 * failed, that's OK, and we
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
360 * pass the error on; but if
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
361 * no error occurred it's not
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
362 * clear that the caller knew
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
363 * what she was doing. */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
364 PyErr_SetString(PyExc_SystemError,
8640
8e86a797e596 Two error messages still used the old name of the functio mkvalue() --
Guido van Rossum <guido@python.org>
parents: 6613
diff changeset
365 "NULL object passed to Py_BuildValue");
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
366 return v;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
367 }
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
368
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
369 case ':':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
370 case ',':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
371 case ' ':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
372 case '\t':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
373 break;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
374
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
375 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
376 PyErr_SetString(PyExc_SystemError,
8640
8e86a797e596 Two error messages still used the old name of the functio mkvalue() --
Guido van Rossum <guido@python.org>
parents: 6613
diff changeset
377 "bad format char passed to Py_BuildValue");
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
378 return NULL;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
379
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
380 }
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
381 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
382 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
383
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
384
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
385 PyObject *Py_BuildValue(char *format, ...)
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
386 {
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
387 va_list va;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
388 PyObject* retval;
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
389 va_start(va, format);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
390 retval = Py_VaBuildValue(format, va);
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
391 va_end(va);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
392 return retval;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
393 }
1252
c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents: 1211
diff changeset
394
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
395 PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
396 Py_VaBuildValue(char *format, va_list va)
1252
c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents: 1211
diff changeset
397 {
c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents: 1211
diff changeset
398 char *f = format;
c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents: 1211
diff changeset
399 int n = countformat(f, '\0');
2052
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
400 va_list lva;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
401
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
402 #ifdef VA_LIST_IS_ARRAY
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
403 memcpy(lva, va, sizeof(va_list));
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
404 #else
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
405 lva = va;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
406 #endif
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents: 1913
diff changeset
407
1252
c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents: 1211
diff changeset
408 if (n < 0)
c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents: 1211
diff changeset
409 return NULL;
c4cd0d9d8281 * Changed many files to use mkvalue() instead of newtupleobject().
Guido van Rossum <guido@python.org>
parents: 1211
diff changeset
410 if (n == 0) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 4503
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411 Py_INCREF(Py_None);
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412 return Py_None;
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413 }
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414 if (n == 1)
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415 return do_mkvalue(&f, &lva);
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416 return do_mktuple(&f, &lva, '\0', n);
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417 }
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418
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419
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420 PyObject *
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421 PyEval_CallFunction(PyObject *obj, char *format, ...)
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422 {
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423 va_list vargs;
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424 PyObject *args;
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425 PyObject *res;
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426
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427 va_start(vargs, format);
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428
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429 args = Py_VaBuildValue(format, vargs);
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430 va_end(vargs);
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431
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432 if (args == NULL)
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433 return NULL;
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434
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435 res = PyEval_CallObject(obj, args);
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436 Py_DECREF(args);
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437
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438 return res;
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439 }
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440
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441
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442 PyObject *
8898
492363d6bc94 # Fix strange type (methonname instead of methodname).
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443 PyEval_CallMethod(PyObject *obj, char *methodname, char *format, ...)
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444 {
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445 va_list vargs;
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446 PyObject *meth;
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447 PyObject *args;
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448 PyObject *res;
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449
8898
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450 meth = PyObject_GetAttrString(obj, methodname);
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diff changeset
451 if (meth == NULL)
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Guido van Rossum <guido@python.org>
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diff changeset
452 return NULL;
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Guido van Rossum <guido@python.org>
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diff changeset
453
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diff changeset
454 va_start(vargs, format);
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diff changeset
455
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456 args = Py_VaBuildValue(format, vargs);
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diff changeset
457 va_end(vargs);
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Guido van Rossum <guido@python.org>
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diff changeset
458
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
459 if (args == NULL) {
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460 Py_DECREF(meth);
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diff changeset
461 return NULL;
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
462 }
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
463
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464 res = PyEval_CallObject(meth, args);
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diff changeset
465 Py_DECREF(meth);
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diff changeset
466 Py_DECREF(args);
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diff changeset
467
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diff changeset
468 return res;
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parents: 1913
diff changeset
469 }