Mercurial > cpython-lru_cache-weakref

annotate Python/modsupport.c @ 13956:8e8a8df0fe73 legacy-trunk

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The list comp patch checked for the second child node of the 'listmaker' node, without checking if the node actually had more than one child. It can have only one node, though: '[' test ']'. This fixes it.
author Thomas Wouters <thomas@python.org>
date Sun, 13 Aug 2000 17:05:17 +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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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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199 else if (endchar)
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200 ++*p_format;
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201 return v;
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202 }
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diff changeset
203
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204 static int
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
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diff changeset
205 _ustrlen(Py_UNICODE *u)
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
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diff changeset
206 {
b6b7bd20c845 Brian Hooper <brian_takashi@hotmail.com>:
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diff changeset
207 int i = 0;
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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>
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diff changeset
211 }
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212
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213 static PyObject *
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diff changeset
214 do_mktuple(char **p_format, va_list *p_va, int endchar, int n)
817
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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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222 for (i = 0; i < n; i++) {
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223 PyObject *w = do_mkvalue(p_format, p_va);
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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 }
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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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233 PyErr_SetString(PyExc_SystemError,
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diff changeset
234 "Unmatched paren in format");
817
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parents: 816
diff changeset
235 }
aa633f0defa6 Merged with Steve Miale's version
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diff changeset
236 else if (endchar)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
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diff changeset
237 ++*p_format;
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diff changeset
238 return v;
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parents: 816
diff changeset
239 }
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diff changeset
240
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241 static PyObject *
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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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diff changeset
248 countformat(*p_format, ')'));
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diff changeset
249
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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diff changeset
250 case '[':
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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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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diff changeset
252 countformat(*p_format, ']'));
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diff changeset
253
d7e91437f0a2 Lots of changes, most minor (fatal() instead of abort(), use of
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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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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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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>
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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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parents: 4503
diff changeset
297 return PyFloat_FromDouble(
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parents: 4503
diff changeset
298 (double)va_arg(*p_va, va_double));
2052
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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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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) {
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
320 v = Py_None;
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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
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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
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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
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Guido van Rossum <guido@python.org>
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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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451 if (meth == NULL)
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452 return NULL;
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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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diff changeset
458
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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;
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diff changeset
462 }
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diff changeset
463
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464 res = PyEval_CallObject(meth, args);
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465 Py_DECREF(meth);
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466 Py_DECREF(args);
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diff changeset
467
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468 return res;
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469 }