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annotate Python/marshal.c @ 81826:02c4ecc87f74

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Issue #16971: Fix a refleak in the charmap decoder.
author Serhiy Storchaka <storchaka@gmail.com>
date Tue, 29 Jan 2013 12:16:57 +0200
parents 461e84fc8c60
children b48e1cd2d3be
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* Write Python objects to files and read them back.
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3 This is intended for writing and reading compiled Python code only;
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4 a true persistent storage facility would be much harder, since
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5 it would have to take circular links and sharing into account. */
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6
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7 #define PY_SSIZE_T_CLEAN
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8
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9 #include "Python.h"
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10 #include "longintrepr.h"
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11 #include "code.h"
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12 #include "marshal.h"
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13
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14 #define ABS(x) ((x) < 0 ? -(x) : (x))
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15
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16 /* High water mark to determine when the marshalled object is dangerously deep
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17 * and risks coring the interpreter. When the object stack gets this deep,
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18 * raise an exception instead of continuing.
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19 * On Windows debug builds, reduce this value.
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20 */
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21 #if defined(MS_WINDOWS) && defined(_DEBUG)
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22 #define MAX_MARSHAL_STACK_DEPTH 1500
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23 #else
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24 #define MAX_MARSHAL_STACK_DEPTH 2000
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25 #endif
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26
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27 #define TYPE_NULL '0'
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28 #define TYPE_NONE 'N'
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29 #define TYPE_FALSE 'F'
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30 #define TYPE_TRUE 'T'
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31 #define TYPE_STOPITER 'S'
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32 #define TYPE_ELLIPSIS '.'
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33 #define TYPE_INT 'i'
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34 /* TYPE_INT64 is deprecated. It is not
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35 generated anymore, and support for reading it
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36 will be removed in Python 3.4. */
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37 #define TYPE_INT64 'I'
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38 #define TYPE_FLOAT 'f'
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39 #define TYPE_BINARY_FLOAT 'g'
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40 #define TYPE_COMPLEX 'x'
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41 #define TYPE_BINARY_COMPLEX 'y'
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42 #define TYPE_LONG 'l'
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43 #define TYPE_STRING 's'
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44 #define TYPE_TUPLE '('
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45 #define TYPE_LIST '['
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46 #define TYPE_DICT '{'
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47 #define TYPE_CODE 'c'
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48 #define TYPE_UNICODE 'u'
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49 #define TYPE_UNKNOWN '?'
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50 #define TYPE_SET '<'
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51 #define TYPE_FROZENSET '>'
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52
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53 #define WFERR_OK 0
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54 #define WFERR_UNMARSHALLABLE 1
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55 #define WFERR_NESTEDTOODEEP 2
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56 #define WFERR_NOMEMORY 3
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57
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58 typedef struct {
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59 FILE *fp;
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60 int error; /* see WFERR_* values */
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61 int depth;
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62 /* If fp == NULL, the following are valid: */
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63 PyObject *readable; /* Stream-like object being read from */
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64 PyObject *str;
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65 PyObject *current_filename;
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66 char *ptr;
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67 char *end;
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68 int version;
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69 } WFILE;
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70
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71 #define w_byte(c, p) if (((p)->fp)) putc((c), (p)->fp); \
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72 else if ((p)->ptr != (p)->end) *(p)->ptr++ = (c); \
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73 else w_more(c, p)
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74
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75 static void
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76 w_more(int c, WFILE *p)
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77 {
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78 Py_ssize_t size, newsize;
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79 if (p->str == NULL)
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80 return; /* An error already occurred */
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81 size = PyBytes_Size(p->str);
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82 newsize = size + size + 1024;
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83 if (newsize > 32*1024*1024) {
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84 newsize = size + (size >> 3); /* 12.5% overallocation */
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85 }
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86 if (_PyBytes_Resize(&p->str, newsize) != 0) {
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87 p->ptr = p->end = NULL;
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88 }
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89 else {
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90 p->ptr = PyBytes_AS_STRING((PyBytesObject *)p->str) + size;
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91 p->end =
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92 PyBytes_AS_STRING((PyBytesObject *)p->str) + newsize;
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93 *p->ptr++ = Py_SAFE_DOWNCAST(c, int, char);
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94 }
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95 }
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96
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97 static void
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98 w_string(char *s, int n, WFILE *p)
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99 {
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100 if (p->fp != NULL) {
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101 fwrite(s, 1, n, p->fp);
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102 }
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103 else {
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104 while (--n >= 0) {
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105 w_byte(*s, p);
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106 s++;
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107 }
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108 }
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109 }
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110
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111 static void
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112 w_short(int x, WFILE *p)
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113 {
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114 w_byte((char)( x & 0xff), p);
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115 w_byte((char)((x>> 8) & 0xff), p);
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116 }
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118 static void
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119 w_long(long x, WFILE *p)
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120 {
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121 w_byte((char)( x & 0xff), p);
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122 w_byte((char)((x>> 8) & 0xff), p);
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123 w_byte((char)((x>>16) & 0xff), p);
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124 w_byte((char)((x>>24) & 0xff), p);
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125 }
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126
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127 /* We assume that Python longs are stored internally in base some power of
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128 2**15; for the sake of portability we'll always read and write them in base
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129 exactly 2**15. */
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130
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131 #define PyLong_MARSHAL_SHIFT 15
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132 #define PyLong_MARSHAL_BASE ((short)1 << PyLong_MARSHAL_SHIFT)
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133 #define PyLong_MARSHAL_MASK (PyLong_MARSHAL_BASE - 1)
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134 #if PyLong_SHIFT % PyLong_MARSHAL_SHIFT != 0
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135 #error "PyLong_SHIFT must be a multiple of PyLong_MARSHAL_SHIFT"
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136 #endif
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137 #define PyLong_MARSHAL_RATIO (PyLong_SHIFT / PyLong_MARSHAL_SHIFT)
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138
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139 static void
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140 w_PyLong(const PyLongObject *ob, WFILE *p)
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141 {
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142 Py_ssize_t i, j, n, l;
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143 digit d;
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144
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145 w_byte(TYPE_LONG, p);
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146 if (Py_SIZE(ob) == 0) {
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147 w_long((long)0, p);
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148 return;
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149 }
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150
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151 /* set l to number of base PyLong_MARSHAL_BASE digits */
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152 n = ABS(Py_SIZE(ob));
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153 l = (n-1) * PyLong_MARSHAL_RATIO;
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154 d = ob->ob_digit[n-1];
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155 assert(d != 0); /* a PyLong is always normalized */
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156 do {
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157 d >>= PyLong_MARSHAL_SHIFT;
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158 l++;
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159 } while (d != 0);
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160 w_long((long)(Py_SIZE(ob) > 0 ? l : -l), p);
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161
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162 for (i=0; i < n-1; i++) {
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163 d = ob->ob_digit[i];
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164 for (j=0; j < PyLong_MARSHAL_RATIO; j++) {
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165 w_short(d & PyLong_MARSHAL_MASK, p);
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166 d >>= PyLong_MARSHAL_SHIFT;
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167 }
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168 assert (d == 0);
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169 }
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170 d = ob->ob_digit[n-1];
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171 do {
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172 w_short(d & PyLong_MARSHAL_MASK, p);
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173 d >>= PyLong_MARSHAL_SHIFT;
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174 } while (d != 0);
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175 }
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176
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177 static void
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178 w_object(PyObject *v, WFILE *p)
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179 {
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180 Py_ssize_t i, n;
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181
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182 p->depth++;
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183
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184 if (p->depth > MAX_MARSHAL_STACK_DEPTH) {
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185 p->error = WFERR_NESTEDTOODEEP;
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186 }
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187 else if (v == NULL) {
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188 w_byte(TYPE_NULL, p);
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189 }
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190 else if (v == Py_None) {
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191 w_byte(TYPE_NONE, p);
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192 }
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193 else if (v == PyExc_StopIteration) {
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194 w_byte(TYPE_STOPITER, p);
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195 }
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196 else if (v == Py_Ellipsis) {
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197 w_byte(TYPE_ELLIPSIS, p);
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198 }
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199 else if (v == Py_False) {
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200 w_byte(TYPE_FALSE, p);
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201 }
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202 else if (v == Py_True) {
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203 w_byte(TYPE_TRUE, p);
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204 }
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205 else if (PyLong_CheckExact(v)) {
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206 long x = PyLong_AsLong(v);
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207 if ((x == -1) && PyErr_Occurred()) {
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208 PyLongObject *ob = (PyLongObject *)v;
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209 PyErr_Clear();
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210 w_PyLong(ob, p);
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211 }
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212 else {
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213 #if SIZEOF_LONG > 4
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214 long y = Py_ARITHMETIC_RIGHT_SHIFT(long, x, 31);
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215 if (y && y != -1) {
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216 /* Too large for TYPE_INT */
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217 w_PyLong((PyLongObject*)v, p);
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218 }
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219 else
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220 #endif
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221 {
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222 w_byte(TYPE_INT, p);
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223 w_long(x, p);
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224 }
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225 }
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226 }
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227 else if (PyFloat_CheckExact(v)) {
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228 if (p->version > 1) {
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229 unsigned char buf[8];
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230 if (_PyFloat_Pack8(PyFloat_AsDouble(v),
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231 buf, 1) < 0) {
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232 p->error = WFERR_UNMARSHALLABLE;
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233 return;
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234 }
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235 w_byte(TYPE_BINARY_FLOAT, p);
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236 w_string((char*)buf, 8, p);
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237 }
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238 else {
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239 char *buf = PyOS_double_to_string(PyFloat_AS_DOUBLE(v),
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240 'g', 17, 0, NULL);
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241 if (!buf) {
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242 p->error = WFERR_NOMEMORY;
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243 return;
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244 }
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245 n = strlen(buf);
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246 w_byte(TYPE_FLOAT, p);
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247 w_byte((int)n, p);
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248 w_string(buf, (int)n, p);
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249 PyMem_Free(buf);
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250 }
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251 }
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252 else if (PyComplex_CheckExact(v)) {
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253 if (p->version > 1) {
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254 unsigned char buf[8];
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255 if (_PyFloat_Pack8(PyComplex_RealAsDouble(v),
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256 buf, 1) < 0) {
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257 p->error = WFERR_UNMARSHALLABLE;
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258 return;
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259 }
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260 w_byte(TYPE_BINARY_COMPLEX, p);
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261 w_string((char*)buf, 8, p);
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262 if (_PyFloat_Pack8(PyComplex_ImagAsDouble(v),
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263 buf, 1) < 0) {
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264 p->error = WFERR_UNMARSHALLABLE;
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265 return;
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266 }
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267 w_string((char*)buf, 8, p);
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268 }
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269 else {
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270 char *buf;
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271 w_byte(TYPE_COMPLEX, p);
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272 buf = PyOS_double_to_string(PyComplex_RealAsDouble(v),
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273 'g', 17, 0, NULL);
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274 if (!buf) {
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275 p->error = WFERR_NOMEMORY;
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276 return;
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277 }
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278 n = strlen(buf);
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279 w_byte((int)n, p);
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280 w_string(buf, (int)n, p);
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281 PyMem_Free(buf);
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282 buf = PyOS_double_to_string(PyComplex_ImagAsDouble(v),
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283 'g', 17, 0, NULL);
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284 if (!buf) {
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285 p->error = WFERR_NOMEMORY;
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286 return;
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287 }
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288 n = strlen(buf);
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289 w_byte((int)n, p);
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290 w_string(buf, (int)n, p);
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291 PyMem_Free(buf);
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292 }
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293 }
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294 else if (PyBytes_CheckExact(v)) {
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295 w_byte(TYPE_STRING, p);
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296 n = PyBytes_GET_SIZE(v);
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297 if (n > INT_MAX) {
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298 /* huge strings are not supported */
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299 p->depth--;
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300 p->error = WFERR_UNMARSHALLABLE;
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301 return;
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302 }
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303 w_long((long)n, p);
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304 w_string(PyBytes_AS_STRING(v), (int)n, p);
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305 }
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306 else if (PyUnicode_CheckExact(v)) {
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307 PyObject *utf8;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
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308 utf8 = PyUnicode_AsEncodedString(v, "utf8", "surrogatepass");
61467
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309 if (utf8 == NULL) {
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310 p->depth--;
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311 p->error = WFERR_UNMARSHALLABLE;
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312 return;
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313 }
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314 w_byte(TYPE_UNICODE, p);
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315 n = PyBytes_GET_SIZE(utf8);
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316 if (n > INT_MAX) {
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317 p->depth--;
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318 p->error = WFERR_UNMARSHALLABLE;
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319 return;
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320 }
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321 w_long((long)n, p);
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322 w_string(PyBytes_AS_STRING(utf8), (int)n, p);
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323 Py_DECREF(utf8);
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324 }
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325 else if (PyTuple_CheckExact(v)) {
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326 w_byte(TYPE_TUPLE, p);
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327 n = PyTuple_Size(v);
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328 w_long((long)n, p);
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329 for (i = 0; i < n; i++) {
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330 w_object(PyTuple_GET_ITEM(v, i), p);
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331 }
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332 }
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333 else if (PyList_CheckExact(v)) {
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334 w_byte(TYPE_LIST, p);
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335 n = PyList_GET_SIZE(v);
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336 w_long((long)n, p);
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337 for (i = 0; i < n; i++) {
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338 w_object(PyList_GET_ITEM(v, i), p);
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339 }
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340 }
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341 else if (PyDict_CheckExact(v)) {
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342 Py_ssize_t pos;
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343 PyObject *key, *value;
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344 w_byte(TYPE_DICT, p);
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345 /* This one is NULL object terminated! */
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346 pos = 0;
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347 while (PyDict_Next(v, &pos, &key, &value)) {
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348 w_object(key, p);
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349 w_object(value, p);
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350 }
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351 w_object((PyObject *)NULL, p);
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352 }
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353 else if (PyAnySet_CheckExact(v)) {
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354 PyObject *value, *it;
34394
b480abaf1f6f SF 1098985: set objects cannot be marshalled
Raymond Hettinger <python@rcn.com>
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355
61467
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356 if (PyObject_TypeCheck(v, &PySet_Type))
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357 w_byte(TYPE_SET, p);
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358 else
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359 w_byte(TYPE_FROZENSET, p);
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360 n = PyObject_Size(v);
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361 if (n == -1) {
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362 p->depth--;
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363 p->error = WFERR_UNMARSHALLABLE;
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364 return;
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365 }
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366 w_long((long)n, p);
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367 it = PyObject_GetIter(v);
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368 if (it == NULL) {
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369 p->depth--;
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370 p->error = WFERR_UNMARSHALLABLE;
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371 return;
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372 }
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373 while ((value = PyIter_Next(it)) != NULL) {
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374 w_object(value, p);
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375 Py_DECREF(value);
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376 }
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377 Py_DECREF(it);
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378 if (PyErr_Occurred()) {
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379 p->depth--;
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380 p->error = WFERR_UNMARSHALLABLE;
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381 return;
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382 }
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383 }
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384 else if (PyCode_Check(v)) {
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385 PyCodeObject *co = (PyCodeObject *)v;
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386 w_byte(TYPE_CODE, p);
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387 w_long(co->co_argcount, p);
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388 w_long(co->co_kwonlyargcount, p);
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389 w_long(co->co_nlocals, p);
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390 w_long(co->co_stacksize, p);
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391 w_long(co->co_flags, p);
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392 w_object(co->co_code, p);
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393 w_object(co->co_consts, p);
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394 w_object(co->co_names, p);
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395 w_object(co->co_varnames, p);
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396 w_object(co->co_freevars, p);
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397 w_object(co->co_cellvars, p);
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398 w_object(co->co_filename, p);
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399 w_object(co->co_name, p);
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400 w_long(co->co_firstlineno, p);
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401 w_object(co->co_lnotab, p);
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402 }
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403 else if (PyObject_CheckBuffer(v)) {
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404 /* Write unknown buffer-style objects as a string */
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405 char *s;
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406 Py_buffer view;
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407 if (PyObject_GetBuffer(v, &view, PyBUF_SIMPLE) != 0) {
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408 w_byte(TYPE_UNKNOWN, p);
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409 p->depth--;
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410 p->error = WFERR_UNMARSHALLABLE;
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411 return;
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412 }
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413 w_byte(TYPE_STRING, p);
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414 n = view.len;
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415 s = view.buf;
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416 if (n > INT_MAX) {
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417 p->depth--;
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418 p->error = WFERR_UNMARSHALLABLE;
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419 return;
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420 }
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421 w_long((long)n, p);
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422 w_string(s, (int)n, p);
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423 PyBuffer_Release(&view);
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424 }
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425 else {
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426 w_byte(TYPE_UNKNOWN, p);
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427 p->error = WFERR_UNMARSHALLABLE;
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428 }
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429 p->depth--;
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430 }
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431
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432 /* version currently has no effect for writing longs. */
267
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433 void
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434 PyMarshal_WriteLongToFile(long x, FILE *fp, int version)
267
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435 {
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436 WFILE wf;
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437 wf.fp = fp;
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438 wf.error = WFERR_OK;
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439 wf.depth = 0;
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440 wf.version = version;
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441 w_long(x, &wf);
267
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442 }
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443
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444 void
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445 PyMarshal_WriteObjectToFile(PyObject *x, FILE *fp, int version)
267
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446 {
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447 WFILE wf;
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448 wf.fp = fp;
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449 wf.error = WFERR_OK;
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450 wf.depth = 0;
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451 wf.version = version;
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452 w_object(x, &wf);
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453 }
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454
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455 typedef WFILE RFILE; /* Same struct with different invariants */
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456
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457 #define rs_byte(p) (((p)->ptr < (p)->end) ? (unsigned char)*(p)->ptr++ : EOF)
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4dd1af0ddef0 various tuple related optimizations; remove unused b/w compat code from ceval.c
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458
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459 static int
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f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
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460 r_string(char *s, int n, RFILE *p)
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461 {
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462 char *ptr;
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463 int read, left;
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464
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465 if (!p->readable) {
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466 if (p->fp != NULL)
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467 /* The result fits into int because it must be <=n. */
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468 read = (int) fread(s, 1, n, p->fp);
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469 else {
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470 left = (int)(p->end - p->ptr);
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471 read = (left < n) ? left : n;
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472 memcpy(s, p->ptr, read);
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473 p->ptr += read;
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474 }
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475 }
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476 else {
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477 _Py_IDENTIFIER(read);
72835
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478
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479 PyObject *data = _PyObject_CallMethodId(p->readable, &PyId_read, "i", n);
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480 read = 0;
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481 if (data != NULL) {
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482 if (!PyBytes_Check(data)) {
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483 PyErr_Format(PyExc_TypeError,
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484 "f.read() returned not bytes but %.100s",
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485 data->ob_type->tp_name);
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486 }
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487 else {
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488 read = PyBytes_GET_SIZE(data);
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489 if (read > 0) {
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490 ptr = PyBytes_AS_STRING(data);
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491 memcpy(s, ptr, read);
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492 }
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493 }
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494 Py_DECREF(data);
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495 }
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496 }
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497 if (!PyErr_Occurred() && (read < n)) {
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498 PyErr_SetString(PyExc_EOFError, "EOF read where not expected");
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499 }
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500 return read;
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501 }
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502
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503
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504 static int
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505 r_byte(RFILE *p)
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506 {
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507 int c = EOF;
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508 unsigned char ch;
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509 int n;
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510
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511 if (!p->readable)
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512 c = p->fp ? getc(p->fp) : rs_byte(p);
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513 else {
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514 n = r_string((char *) &ch, 1, p);
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515 if (n > 0)
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516 c = ch;
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517 }
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518 return c;
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519 }
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diff changeset
520
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
521 static int
13658
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Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
522 r_short(RFILE *p)
267
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diff changeset
523 {
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diff changeset
524 register short x;
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parents: 68257
diff changeset
525 unsigned char buffer[2];
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
526
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
527 r_string((char *) buffer, 2, p);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
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parents: 68257
diff changeset
528 x = buffer[0];
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
529 x |= buffer[1] << 8;
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diff changeset
530 /* Sign-extension, in case short greater than 16 bits */
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diff changeset
531 x |= -(x & 0x8000);
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diff changeset
532 return x;
267
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parents:
diff changeset
533 }
457661e47c7b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
534
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
535 static long
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
536 r_long(RFILE *p)
267
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parents:
diff changeset
537 {
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diff changeset
538 register long x;
71131
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Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
539 unsigned char buffer[4];
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
540
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
541 r_string((char *) buffer, 4, p);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
542 x = buffer[0];
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
543 x |= (long)buffer[1] << 8;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
544 x |= (long)buffer[2] << 16;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
545 x |= (long)buffer[3] << 24;
4656
186c2ad4abf3 Better way to handle 64-bit ints, keeping gcc -Wall happy.
Guido van Rossum <guido@python.org>
parents: 4592
diff changeset
546 #if SIZEOF_LONG > 4
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547 /* Sign extension for 64-bit machines */
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diff changeset
548 x |= -(x & 0x80000000L);
4656
186c2ad4abf3 Better way to handle 64-bit ints, keeping gcc -Wall happy.
Guido van Rossum <guido@python.org>
parents: 4592
diff changeset
549 #endif
61467
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550 return x;
4592
3bf9e2beaf8c Tentative changes to make this work better on 64-bit machines.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
551 }
3bf9e2beaf8c Tentative changes to make this work better on 64-bit machines.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
552
19547
7e628f60245e marshal.c r_long64: When reading a TYPE_INT64 value on a box with 32-bit
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
553 /* r_long64 deals with the TYPE_INT64 code. On a machine with
7e628f60245e marshal.c r_long64: When reading a TYPE_INT64 value on a box with 32-bit
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
554 sizeof(long) > 4, it returns a Python int object, else a Python long
7e628f60245e marshal.c r_long64: When reading a TYPE_INT64 value on a box with 32-bit
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
555 object. Note that w_long64 writes out TYPE_INT if 32 bits is enough,
7e628f60245e marshal.c r_long64: When reading a TYPE_INT64 value on a box with 32-bit
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
556 so there's no inefficiency here in returning a PyLong on 32-bit boxes
7e628f60245e marshal.c r_long64: When reading a TYPE_INT64 value on a box with 32-bit
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
557 for everything written via TYPE_INT64 (i.e., if an int is written via
7e628f60245e marshal.c r_long64: When reading a TYPE_INT64 value on a box with 32-bit
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
558 TYPE_INT64, it *needs* more than 32 bits).
7e628f60245e marshal.c r_long64: When reading a TYPE_INT64 value on a box with 32-bit
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
559 */
7e628f60245e marshal.c r_long64: When reading a TYPE_INT64 value on a box with 32-bit
Tim Peters <tim.peters@gmail.com>
parents: 19343
diff changeset
560 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
561 r_long64(RFILE *p)
4592
3bf9e2beaf8c Tentative changes to make this work better on 64-bit machines.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
562 {
71554
9e293f617544 Fix style in code added by edba722f3b02
Éric Araujo <merwok@netwok.org>
parents: 71134
diff changeset
563 PyObject *result = NULL;
61467
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diff changeset
564 long lo4 = r_long(p);
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diff changeset
565 long hi4 = r_long(p);
71131
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Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
566
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
567 if (!PyErr_Occurred()) {
4656
186c2ad4abf3 Better way to handle 64-bit ints, keeping gcc -Wall happy.
Guido van Rossum <guido@python.org>
parents: 4592
diff changeset
568 #if SIZEOF_LONG > 4
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
569 long x = (hi4 << 32) | (lo4 & 0xFFFFFFFFL);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
570 result = PyLong_FromLong(x);
4656
186c2ad4abf3 Better way to handle 64-bit ints, keeping gcc -Wall happy.
Guido van Rossum <guido@python.org>
parents: 4592
diff changeset
571 #else
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
572 unsigned char buf[8];
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
573 int one = 1;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
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parents: 68257
diff changeset
574 int is_little_endian = (int)*(char*)&one;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
575 if (is_little_endian) {
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
576 memcpy(buf, &lo4, 4);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
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parents: 68257
diff changeset
577 memcpy(buf+4, &hi4, 4);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
578 }
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
579 else {
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
580 memcpy(buf, &hi4, 4);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
581 memcpy(buf+4, &lo4, 4);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
582 }
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
583 result = _PyLong_FromByteArray(buf, 8, is_little_endian, 1);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
584 #endif
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585 }
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diff changeset
586 return result;
267
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587 }
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Guido van Rossum <guido@python.org>
parents:
diff changeset
588
5373
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Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
589 static PyObject *
52215
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Mark Dickinson <dickinsm@gmail.com>
parents: 52171
diff changeset
590 r_PyLong(RFILE *p)
bb5de24a343f Issue #4258: Make it possible to use 30-bit digits for PyLongs:
Mark Dickinson <dickinsm@gmail.com>
parents: 52171
diff changeset
591 {
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592 PyLongObject *ob;
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593 int size, i, j, md, shorts_in_top_digit;
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diff changeset
594 long n;
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diff changeset
595 digit d;
52215
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Mark Dickinson <dickinsm@gmail.com>
parents: 52171
diff changeset
596
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597 n = r_long(p);
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diff changeset
598 if (PyErr_Occurred())
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
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diff changeset
599 return NULL;
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600 if (n == 0)
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601 return (PyObject *)_PyLong_New(0);
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diff changeset
602 if (n < -INT_MAX || n > INT_MAX) {
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diff changeset
603 PyErr_SetString(PyExc_ValueError,
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diff changeset
604 "bad marshal data (long size out of range)");
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diff changeset
605 return NULL;
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diff changeset
606 }
52215
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Mark Dickinson <dickinsm@gmail.com>
parents: 52171
diff changeset
607
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608 size = 1 + (ABS(n) - 1) / PyLong_MARSHAL_RATIO;
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diff changeset
609 shorts_in_top_digit = 1 + (ABS(n) - 1) % PyLong_MARSHAL_RATIO;
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diff changeset
610 ob = _PyLong_New(size);
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diff changeset
611 if (ob == NULL)
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diff changeset
612 return NULL;
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613 Py_SIZE(ob) = n > 0 ? size : -size;
52215
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parents: 52171
diff changeset
614
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615 for (i = 0; i < size-1; i++) {
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616 d = 0;
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617 for (j=0; j < PyLong_MARSHAL_RATIO; j++) {
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618 md = r_short(p);
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619 if (PyErr_Occurred())
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620 break;
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621 if (md < 0 || md > PyLong_MARSHAL_BASE)
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622 goto bad_digit;
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623 d += (digit)md << j*PyLong_MARSHAL_SHIFT;
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624 }
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625 ob->ob_digit[i] = d;
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626 }
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627 d = 0;
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diff changeset
628 for (j=0; j < shorts_in_top_digit; j++) {
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diff changeset
629 md = r_short(p);
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630 if (PyErr_Occurred())
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631 break;
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632 if (md < 0 || md > PyLong_MARSHAL_BASE)
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diff changeset
633 goto bad_digit;
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634 /* topmost marshal digit should be nonzero */
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635 if (md == 0 && j == shorts_in_top_digit - 1) {
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636 Py_DECREF(ob);
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637 PyErr_SetString(PyExc_ValueError,
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638 "bad marshal data (unnormalized long data)");
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639 return NULL;
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640 }
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641 d += (digit)md << j*PyLong_MARSHAL_SHIFT;
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642 }
71131
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diff changeset
643 if (PyErr_Occurred()) {
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diff changeset
644 Py_DECREF(ob);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
645 return NULL;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
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parents: 68257
diff changeset
646 }
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647 /* top digit should be nonzero, else the resulting PyLong won't be
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648 normalized */
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649 ob->ob_digit[size-1] = d;
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650 return (PyObject *)ob;
52215
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Mark Dickinson <dickinsm@gmail.com>
parents: 52171
diff changeset
651 bad_digit:
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652 Py_DECREF(ob);
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653 PyErr_SetString(PyExc_ValueError,
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654 "bad marshal data (digit out of range in long)");
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655 return NULL;
52215
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Mark Dickinson <dickinsm@gmail.com>
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diff changeset
656 }
bb5de24a343f Issue #4258: Make it possible to use 30-bit digits for PyLongs:
Mark Dickinson <dickinsm@gmail.com>
parents: 52171
diff changeset
657
bb5de24a343f Issue #4258: Make it possible to use 30-bit digits for PyLongs:
Mark Dickinson <dickinsm@gmail.com>
parents: 52171
diff changeset
658
bb5de24a343f Issue #4258: Make it possible to use 30-bit digits for PyLongs:
Mark Dickinson <dickinsm@gmail.com>
parents: 52171
diff changeset
659 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
660 r_object(RFILE *p)
267
457661e47c7b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
661 {
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662 /* NULL is a valid return value, it does not necessarily means that
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663 an exception is set. */
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664 PyObject *v, *v2;
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665 long i, n;
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666 int type = r_byte(p);
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667 PyObject *retval;
41824
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Guido van Rossum <guido@python.org>
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668
61467
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669 p->depth++;
41824
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Guido van Rossum <guido@python.org>
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diff changeset
670
61467
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671 if (p->depth > MAX_MARSHAL_STACK_DEPTH) {
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672 p->depth--;
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673 PyErr_SetString(PyExc_ValueError, "recursion limit exceeded");
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674 return NULL;
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675 }
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Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
676
61467
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677 switch (type) {
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Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
678
61467
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679 case EOF:
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680 PyErr_SetString(PyExc_EOFError,
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diff changeset
681 "EOF read where object expected");
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682 retval = NULL;
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683 break;
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parents: 16257
diff changeset
684
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685 case TYPE_NULL:
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686 retval = NULL;
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687 break;
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parents: 16257
diff changeset
688
61467
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diff changeset
689 case TYPE_NONE:
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diff changeset
690 Py_INCREF(Py_None);
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diff changeset
691 retval = Py_None;
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692 break;
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parents: 16257
diff changeset
693
61467
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diff changeset
694 case TYPE_STOPITER:
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diff changeset
695 Py_INCREF(PyExc_StopIteration);
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diff changeset
696 retval = PyExc_StopIteration;
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diff changeset
697 break;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 17707
diff changeset
698
61467
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diff changeset
699 case TYPE_ELLIPSIS:
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700 Py_INCREF(Py_Ellipsis);
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701 retval = Py_Ellipsis;
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702 break;
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diff changeset
703
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704 case TYPE_FALSE:
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705 Py_INCREF(Py_False);
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706 retval = Py_False;
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707 break;
22785
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Guido van Rossum <guido@python.org>
parents: 22705
diff changeset
708
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709 case TYPE_TRUE:
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710 Py_INCREF(Py_True);
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diff changeset
711 retval = Py_True;
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712 break;
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parents: 22705
diff changeset
713
61467
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714 case TYPE_INT:
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
715 n = r_long(p);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
716 retval = PyErr_Occurred() ? NULL : PyLong_FromLong(n);
61467
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717 break;
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diff changeset
718
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719 case TYPE_INT64:
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720 retval = r_long64(p);
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721 break;
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parents: 16257
diff changeset
722
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diff changeset
723 case TYPE_LONG:
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724 retval = r_PyLong(p);
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725 break;
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parents: 16257
diff changeset
726
61467
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727 case TYPE_FLOAT:
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728 {
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729 char buf[256];
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diff changeset
730 double dx;
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diff changeset
731 retval = NULL;
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732 n = r_byte(p);
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733 if (n == EOF || r_string(buf, (int)n, p) != n) {
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734 PyErr_SetString(PyExc_EOFError,
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diff changeset
735 "EOF read where object expected");
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736 break;
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737 }
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738 buf[n] = '\0';
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739 dx = PyOS_string_to_double(buf, NULL, NULL);
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740 if (dx == -1.0 && PyErr_Occurred())
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diff changeset
741 break;
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742 retval = PyFloat_FromDouble(dx);
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743 break;
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744 }
16311
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Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
745
61467
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746 case TYPE_BINARY_FLOAT:
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747 {
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diff changeset
748 unsigned char buf[8];
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diff changeset
749 double x;
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750 if (r_string((char*)buf, 8, p) != 8) {
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751 PyErr_SetString(PyExc_EOFError,
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diff changeset
752 "EOF read where object expected");
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753 retval = NULL;
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754 break;
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755 }
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756 x = _PyFloat_Unpack8(buf, 1);
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757 if (x == -1.0 && PyErr_Occurred()) {
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758 retval = NULL;
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759 break;
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760 }
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761 retval = PyFloat_FromDouble(x);
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762 break;
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763 }
35008
44e3f21f0525 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 34413
diff changeset
764
61467
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765 case TYPE_COMPLEX:
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766 {
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767 char buf[256];
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768 Py_complex c;
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769 retval = NULL;
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770 n = r_byte(p);
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771 if (n == EOF || r_string(buf, (int)n, p) != n) {
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772 PyErr_SetString(PyExc_EOFError,
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773 "EOF read where object expected");
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774 break;
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775 }
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776 buf[n] = '\0';
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777 c.real = PyOS_string_to_double(buf, NULL, NULL);
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778 if (c.real == -1.0 && PyErr_Occurred())
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diff changeset
779 break;
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diff changeset
780 n = r_byte(p);
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diff changeset
781 if (n == EOF || r_string(buf, (int)n, p) != n) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
782 PyErr_SetString(PyExc_EOFError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
783 "EOF read where object expected");
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diff changeset
784 break;
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diff changeset
785 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
786 buf[n] = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
787 c.imag = PyOS_string_to_double(buf, NULL, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
788 if (c.imag == -1.0 && PyErr_Occurred())
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789 break;
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790 retval = PyComplex_FromCComplex(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
791 break;
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diff changeset
792 }
35008
44e3f21f0525 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 34413
diff changeset
793
61467
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diff changeset
794 case TYPE_BINARY_COMPLEX:
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diff changeset
795 {
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diff changeset
796 unsigned char buf[8];
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diff changeset
797 Py_complex c;
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diff changeset
798 if (r_string((char*)buf, 8, p) != 8) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
799 PyErr_SetString(PyExc_EOFError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
800 "EOF read where object expected");
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diff changeset
801 retval = NULL;
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diff changeset
802 break;
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diff changeset
803 }
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diff changeset
804 c.real = _PyFloat_Unpack8(buf, 1);
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diff changeset
805 if (c.real == -1.0 && PyErr_Occurred()) {
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diff changeset
806 retval = NULL;
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diff changeset
807 break;
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diff changeset
808 }
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diff changeset
809 if (r_string((char*)buf, 8, p) != 8) {
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diff changeset
810 PyErr_SetString(PyExc_EOFError,
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diff changeset
811 "EOF read where object expected");
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parents: 56297
diff changeset
812 retval = NULL;
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diff changeset
813 break;
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diff changeset
814 }
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diff changeset
815 c.imag = _PyFloat_Unpack8(buf, 1);
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parents: 56297
diff changeset
816 if (c.imag == -1.0 && PyErr_Occurred()) {
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diff changeset
817 retval = NULL;
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diff changeset
818 break;
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diff changeset
819 }
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diff changeset
820 retval = PyComplex_FromCComplex(c);
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diff changeset
821 break;
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diff changeset
822 }
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
823
61467
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diff changeset
824 case TYPE_STRING:
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diff changeset
825 n = r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
826 if (PyErr_Occurred()) {
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
827 retval = NULL;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
828 break;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
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parents: 68257
diff changeset
829 }
61467
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830 if (n < 0 || n > INT_MAX) {
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diff changeset
831 PyErr_SetString(PyExc_ValueError, "bad marshal data (string size out of range)");
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diff changeset
832 retval = NULL;
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833 break;
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diff changeset
834 }
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diff changeset
835 v = PyBytes_FromStringAndSize((char *)NULL, n);
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diff changeset
836 if (v == NULL) {
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diff changeset
837 retval = NULL;
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diff changeset
838 break;
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diff changeset
839 }
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840 if (r_string(PyBytes_AS_STRING(v), (int)n, p) != n) {
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diff changeset
841 Py_DECREF(v);
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diff changeset
842 PyErr_SetString(PyExc_EOFError,
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diff changeset
843 "EOF read where object expected");
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diff changeset
844 retval = NULL;
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845 break;
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846 }
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diff changeset
847 retval = v;
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diff changeset
848 break;
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
849
61467
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diff changeset
850 case TYPE_UNICODE:
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851 {
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diff changeset
852 char *buffer;
11976
513354d87a85 Marc-Andre Lemburg: support marshalling Unicode objects (code 'u').
Guido van Rossum <guido@python.org>
parents: 9300
diff changeset
853
61467
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diff changeset
854 n = r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
855 if (PyErr_Occurred()) {
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
856 retval = NULL;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
857 break;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
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parents: 68257
diff changeset
858 }
61467
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859 if (n < 0 || n > INT_MAX) {
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860 PyErr_SetString(PyExc_ValueError, "bad marshal data (unicode size out of range)");
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861 retval = NULL;
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862 break;
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863 }
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diff changeset
864 buffer = PyMem_NEW(char, n);
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diff changeset
865 if (buffer == NULL) {
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diff changeset
866 retval = PyErr_NoMemory();
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867 break;
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868 }
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diff changeset
869 if (r_string(buffer, (int)n, p) != n) {
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diff changeset
870 PyMem_DEL(buffer);
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diff changeset
871 PyErr_SetString(PyExc_EOFError,
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diff changeset
872 "EOF read where object expected");
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diff changeset
873 retval = NULL;
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874 break;
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875 }
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diff changeset
876 v = PyUnicode_DecodeUTF8(buffer, n, "surrogatepass");
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diff changeset
877 PyMem_DEL(buffer);
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diff changeset
878 retval = v;
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diff changeset
879 break;
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diff changeset
880 }
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
881
61467
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diff changeset
882 case TYPE_TUPLE:
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diff changeset
883 n = r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
884 if (PyErr_Occurred()) {
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
885 retval = NULL;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
886 break;
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parents: 68257
diff changeset
887 }
61467
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888 if (n < 0 || n > INT_MAX) {
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889 PyErr_SetString(PyExc_ValueError, "bad marshal data (tuple size out of range)");
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890 retval = NULL;
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891 break;
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892 }
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893 v = PyTuple_New((int)n);
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894 if (v == NULL) {
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diff changeset
895 retval = NULL;
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896 break;
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897 }
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diff changeset
898 for (i = 0; i < n; i++) {
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diff changeset
899 v2 = r_object(p);
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900 if ( v2 == NULL ) {
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901 if (!PyErr_Occurred())
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902 PyErr_SetString(PyExc_TypeError,
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903 "NULL object in marshal data for tuple");
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diff changeset
904 Py_DECREF(v);
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905 v = NULL;
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906 break;
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907 }
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diff changeset
908 PyTuple_SET_ITEM(v, (int)i, v2);
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909 }
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diff changeset
910 retval = v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
911 break;
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
912
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
913 case TYPE_LIST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
914 n = r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
915 if (PyErr_Occurred()) {
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
916 retval = NULL;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
917 break;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
918 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
919 if (n < 0 || n > INT_MAX) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
920 PyErr_SetString(PyExc_ValueError, "bad marshal data (list size out of range)");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
921 retval = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
922 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
923 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
924 v = PyList_New((int)n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
925 if (v == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
926 retval = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
927 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
928 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
929 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
930 v2 = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
931 if ( v2 == NULL ) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
932 if (!PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
933 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
934 "NULL object in marshal data for list");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
935 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
936 v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
937 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
938 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
939 PyList_SET_ITEM(v, (int)i, v2);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
940 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
941 retval = v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
942 break;
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
943
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
944 case TYPE_DICT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
945 v = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
946 if (v == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
947 retval = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
948 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
949 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
950 for (;;) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
951 PyObject *key, *val;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
952 key = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
953 if (key == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
954 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
955 val = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
956 if (val != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
957 PyDict_SetItem(v, key, val);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
958 Py_DECREF(key);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
959 Py_XDECREF(val);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
960 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
961 if (PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
962 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
963 v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
964 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
965 retval = v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
966 break;
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
967
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
968 case TYPE_SET:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
969 case TYPE_FROZENSET:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
970 n = r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
971 if (PyErr_Occurred()) {
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
972 retval = NULL;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
973 break;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
974 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
975 if (n < 0 || n > INT_MAX) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
976 PyErr_SetString(PyExc_ValueError, "bad marshal data (set size out of range)");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
977 retval = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
978 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
979 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
980 v = (type == TYPE_SET) ? PySet_New(NULL) : PyFrozenSet_New(NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
981 if (v == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
982 retval = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
983 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
984 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
985 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
986 v2 = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
987 if ( v2 == NULL ) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
988 if (!PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
989 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
990 "NULL object in marshal data for set");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
991 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
992 v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
993 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
994 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
995 if (PySet_Add(v, v2) == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
996 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
997 Py_DECREF(v2);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
998 v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
999 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1000 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1001 Py_DECREF(v2);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1002 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1003 retval = v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1004 break;
34394
b480abaf1f6f SF 1098985: set objects cannot be marshalled
Raymond Hettinger <python@rcn.com>
parents: 34205
diff changeset
1005
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1006 case TYPE_CODE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1007 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1008 int argcount;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1009 int kwonlyargcount;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1010 int nlocals;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1011 int stacksize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1012 int flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1013 PyObject *code = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1014 PyObject *consts = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1015 PyObject *names = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1016 PyObject *varnames = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1017 PyObject *freevars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1018 PyObject *cellvars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1019 PyObject *filename = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1020 PyObject *name = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1021 int firstlineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1022 PyObject *lnotab = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1023
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1024 v = NULL;
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1025
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1026 /* XXX ignore long->int overflows for now */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1027 argcount = (int)r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1028 if (PyErr_Occurred())
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1029 goto code_error;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1030 kwonlyargcount = (int)r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1031 if (PyErr_Occurred())
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1032 goto code_error;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1033 nlocals = (int)r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1034 if (PyErr_Occurred())
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1035 goto code_error;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1036 stacksize = (int)r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1037 if (PyErr_Occurred())
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1038 goto code_error;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1039 flags = (int)r_long(p);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1040 if (PyErr_Occurred())
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1041 goto code_error;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1042 code = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1043 if (code == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1044 goto code_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1045 consts = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1046 if (consts == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1047 goto code_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1048 names = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1049 if (names == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1050 goto code_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1051 varnames = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1052 if (varnames == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1053 goto code_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1054 freevars = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1055 if (freevars == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1056 goto code_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1057 cellvars = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1058 if (cellvars == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1059 goto code_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1060 filename = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1061 if (filename == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1062 goto code_error;
70435
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1063 if (PyUnicode_CheckExact(filename)) {
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1064 if (p->current_filename != NULL) {
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1065 if (!PyUnicode_Compare(filename, p->current_filename)) {
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1066 Py_DECREF(filename);
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1067 Py_INCREF(p->current_filename);
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1068 filename = p->current_filename;
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1069 }
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1070 }
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1071 else {
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1072 p->current_filename = filename;
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1073 }
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1074 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1075 name = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1076 if (name == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1077 goto code_error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1078 firstlineno = (int)r_long(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1079 lnotab = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1080 if (lnotab == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1081 goto code_error;
35008
44e3f21f0525 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 34413
diff changeset
1082
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1083 v = (PyObject *) PyCode_New(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1084 argcount, kwonlyargcount,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1085 nlocals, stacksize, flags,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1086 code, consts, names, varnames,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1087 freevars, cellvars, filename, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1088 firstlineno, lnotab);
35008
44e3f21f0525 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 34413
diff changeset
1089
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1090 code_error:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1091 Py_XDECREF(code);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1092 Py_XDECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1093 Py_XDECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1094 Py_XDECREF(varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1095 Py_XDECREF(freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1096 Py_XDECREF(cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1097 Py_XDECREF(filename);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1098 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1099 Py_XDECREF(lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1100 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1101 retval = v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1102 break;
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1103
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1104 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1105 /* Bogus data got written, which isn't ideal.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1106 This will let you keep working and recover. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1107 PyErr_SetString(PyExc_ValueError, "bad marshal data (unknown type code)");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1108 retval = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1109 break;
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1110
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1111 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1112 p->depth--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1113 return retval;
267
457661e47c7b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1114 }
457661e47c7b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1115
32343
54b257e55f99 Make private function static
Neal Norwitz <nnorwitz@gmail.com>
parents: 32305
diff changeset
1116 static PyObject *
31824
331de8b9d1ed Marshal clean-up (SF patch #873224)
Armin Rigo <arigo@tunes.org>
parents: 30311
diff changeset
1117 read_object(RFILE *p)
331de8b9d1ed Marshal clean-up (SF patch #873224)
Armin Rigo <arigo@tunes.org>
parents: 30311
diff changeset
1118 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1119 PyObject *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1120 if (PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1121 fprintf(stderr, "XXX readobject called with exception set\n");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1122 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1123 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1124 v = r_object(p);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1125 if (v == NULL && !PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1126 PyErr_SetString(PyExc_TypeError, "NULL object in marshal data for object");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1127 return v;
31824
331de8b9d1ed Marshal clean-up (SF patch #873224)
Armin Rigo <arigo@tunes.org>
parents: 30311
diff changeset
1128 }
331de8b9d1ed Marshal clean-up (SF patch #873224)
Armin Rigo <arigo@tunes.org>
parents: 30311
diff changeset
1129
20552
65dd6157f999 SF patch #470393 (Jim Ahlstrom): Add missing marshal function
Guido van Rossum <guido@python.org>
parents: 19605
diff changeset
1130 int
65dd6157f999 SF patch #470393 (Jim Ahlstrom): Add missing marshal function
Guido van Rossum <guido@python.org>
parents: 19605
diff changeset
1131 PyMarshal_ReadShortFromFile(FILE *fp)
65dd6157f999 SF patch #470393 (Jim Ahlstrom): Add missing marshal function
Guido van Rossum <guido@python.org>
parents: 19605
diff changeset
1132 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1133 RFILE rf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1134 assert(fp);
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1135 rf.readable = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1136 rf.fp = fp;
70435
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1137 rf.current_filename = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1138 rf.end = rf.ptr = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1139 return r_short(&rf);
20552
65dd6157f999 SF patch #470393 (Jim Ahlstrom): Add missing marshal function
Guido van Rossum <guido@python.org>
parents: 19605
diff changeset
1140 }
65dd6157f999 SF patch #470393 (Jim Ahlstrom): Add missing marshal function
Guido van Rossum <guido@python.org>
parents: 19605
diff changeset
1141
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1142 long
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
1143 PyMarshal_ReadLongFromFile(FILE *fp)
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1144 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1145 RFILE rf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1146 rf.fp = fp;
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1147 rf.readable = NULL;
70435
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1148 rf.current_filename = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1149 rf.ptr = rf.end = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1150 return r_long(&rf);
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1151 }
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1152
15979
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1153 #ifdef HAVE_FSTAT
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1154 /* Return size of file in bytes; < 0 if unknown. */
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1155 static off_t
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1156 getfilesize(FILE *fp)
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1157 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1158 struct stat st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1159 if (fstat(fileno(fp), &st) != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1160 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1161 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1162 return st.st_size;
15979
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1163 }
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1164 #endif
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1165
15979
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1166 /* If we can get the size of the file up-front, and it's reasonably small,
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1167 * read it in one gulp and delegate to ...FromString() instead. Much quicker
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1168 * than reading a byte at a time from file; speeds .pyc imports.
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1169 * CAUTION: since this may read the entire remainder of the file, don't
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1170 * call it unless you know you're done with the file.
15979
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1171 */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
1172 PyObject *
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1173 PyMarshal_ReadLastObjectFromFile(FILE *fp)
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1174 {
60825
92a633a30acb Merged revisions 80325 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56594
diff changeset
1175 /* REASONABLE_FILE_LIMIT is by defn something big enough for Tkinter.pyc. */
15979
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1176 #define REASONABLE_FILE_LIMIT (1L << 18)
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1177 #ifdef HAVE_FSTAT
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1178 off_t filesize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1179 filesize = getfilesize(fp);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60825
diff changeset
1180 if (filesize > 0 && filesize <= REASONABLE_FILE_LIMIT) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60825
diff changeset
1181 char* pBuf = (char *)PyMem_MALLOC(filesize);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1182 if (pBuf != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1183 PyObject* v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1184 size_t n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1185 /* filesize must fit into an int, because it
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1186 is smaller than REASONABLE_FILE_LIMIT */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1187 n = fread(pBuf, 1, (int)filesize, fp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1188 v = PyMarshal_ReadObjectFromString(pBuf, n);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60825
diff changeset
1189 PyMem_FREE(pBuf);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1190 return v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1191 }
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1192
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1193 }
15979
a36a4932e399 Variant of SF patch 103252: Startup optimize: read *.pyc as string, not with getc().
Tim Peters <tim.peters@gmail.com>
parents: 15408
diff changeset
1194 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1195 /* We don't have fstat, or we do but the file is larger than
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1196 * REASONABLE_FILE_LIMIT or malloc failed -- read a byte at a time.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1197 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1198 return PyMarshal_ReadObjectFromFile(fp);
16311
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1199
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1200 #undef REASONABLE_FILE_LIMIT
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1201 }
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1202
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1203 PyObject *
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1204 PyMarshal_ReadObjectFromFile(FILE *fp)
8c41f3861aad It's unclear whether PyMarshal_XXX() are part of the public or private API.
Tim Peters <tim.peters@gmail.com>
parents: 16257
diff changeset
1205 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1206 RFILE rf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1207 PyObject *result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1208 rf.fp = fp;
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1209 rf.readable = NULL;
70435
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1210 rf.current_filename = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1211 rf.depth = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1212 rf.ptr = rf.end = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1213 result = r_object(&rf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1214 return result;
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1215 }
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1216
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
1217 PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
1218 PyMarshal_ReadObjectFromString(char *str, Py_ssize_t len)
1270
14369a5e6167 Support for frozen scripts; added -i option.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1219 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1220 RFILE rf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1221 PyObject *result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1222 rf.fp = NULL;
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1223 rf.readable = NULL;
70435
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1224 rf.current_filename = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1225 rf.ptr = str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1226 rf.end = str + len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1227 rf.depth = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1228 result = r_object(&rf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1229 return result;
1270
14369a5e6167 Support for frozen scripts; added -i option.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1230 }
14369a5e6167 Support for frozen scripts; added -i option.
Guido van Rossum <guido@python.org>
parents: 1257
diff changeset
1231
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
1232 PyObject *
32422
3df36e2e5ddc Patch #923098: Share interned strings in marshal.
Martin v. Löwis <martin@v.loewis.de>
parents: 32343
diff changeset
1233 PyMarshal_WriteObjectToString(PyObject *x, int version)
4039
23f280ab5409 Added *PyMarshal_WriteObjectToString() (moved the relevant code there
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
1234 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1235 WFILE wf;
41653
52533370f1ad Make test_marshal pass. Not my best work. :-(
Guido van Rossum <guido@python.org>
parents: 41595
diff changeset
1236
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1237 wf.fp = NULL;
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1238 wf.readable = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1239 wf.str = PyBytes_FromStringAndSize((char *)NULL, 50);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1240 if (wf.str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1241 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1242 wf.ptr = PyBytes_AS_STRING((PyBytesObject *)wf.str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1243 wf.end = wf.ptr + PyBytes_Size(wf.str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1244 wf.error = WFERR_OK;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1245 wf.depth = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1246 wf.version = version;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1247 w_object(x, &wf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1248 if (wf.str != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1249 char *base = PyBytes_AS_STRING((PyBytesObject *)wf.str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1250 if (wf.ptr - base > PY_SSIZE_T_MAX) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1251 Py_DECREF(wf.str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1252 PyErr_SetString(PyExc_OverflowError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1253 "too much marshal data for a string");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1254 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1255 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1256 if (_PyBytes_Resize(&wf.str, (Py_ssize_t)(wf.ptr - base)) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1257 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1258 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1259 if (wf.error != WFERR_OK) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1260 Py_XDECREF(wf.str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1261 if (wf.error == WFERR_NOMEMORY)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1262 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1263 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1264 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1265 (wf.error==WFERR_UNMARSHALLABLE)?"unmarshallable object"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1266 :"object too deeply nested to marshal");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1267 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1268 }
75371
61661842f225 Simplify code in marshal.c.
Antoine Pitrou <solipsis@pitrou.net>
parents: 75370
diff changeset
1269 return wf.str;
4039
23f280ab5409 Added *PyMarshal_WriteObjectToString() (moved the relevant code there
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
1270 }
23f280ab5409 Added *PyMarshal_WriteObjectToString() (moved the relevant code there
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
1271
279
9c924f9c3b16 Add marshalling for dictionaries.
Guido van Rossum <guido@python.org>
parents: 272
diff changeset
1272 /* And an interface for Python programs... */
267
457661e47c7b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1273
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
1274 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
1275 marshal_dump(PyObject *self, PyObject *args)
267
457661e47c7b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1276 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1277 /* XXX Quick hack -- need to do this differently */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1278 PyObject *x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1279 PyObject *f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1280 int version = Py_MARSHAL_VERSION;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1281 PyObject *s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1282 PyObject *res;
72925
7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents: 72835
diff changeset
1283 _Py_IDENTIFIER(write);
72835
5e33219492bc Add API for static strings, primarily good for identifiers.
Martin v. Löwis <martin@v.loewis.de>
parents: 72475
diff changeset
1284
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1285 if (!PyArg_ParseTuple(args, "OO|i:dump", &x, &f, &version))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1286 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1287 s = PyMarshal_WriteObjectToString(x, version);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1288 if (s == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1289 return NULL;
72835
5e33219492bc Add API for static strings, primarily good for identifiers.
Martin v. Löwis <martin@v.loewis.de>
parents: 72475
diff changeset
1290 res = _PyObject_CallMethodId(f, &PyId_write, "O", s);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1291 Py_DECREF(s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1292 return res;
267
457661e47c7b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1293 }
457661e47c7b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1294
54035
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1295 PyDoc_STRVAR(dump_doc,
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1296 "dump(value, file[, version])\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1297 \n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1298 Write the value on the open file. The value must be a supported type.\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1299 The file must be an open file object such as sys.stdout or returned by\n\
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1300 open() or os.popen(). It must be opened in binary mode ('wb' or 'w+b').\n\
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diff changeset
1301 \n\
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1302 If the value has (or contains an object that has) an unsupported type, a\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1303 ValueError exception is raised — but garbage data will also be written\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1304 to the file. The object will not be properly read back by load()\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1305 \n\
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1306 The version argument indicates the data format that dump should use.");
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1307
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
1308 static PyObject *
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 36866
diff changeset
1309 marshal_load(PyObject *self, PyObject *f)
267
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Guido van Rossum <guido@python.org>
parents:
diff changeset
1310 {
61467
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parents: 56297
diff changeset
1311 PyObject *data, *result;
72925
7109f31300fb Rename _Py_identifier to _Py_IDENTIFIER.
Martin v. Löwis <martin@v.loewis.de>
parents: 72835
diff changeset
1312 _Py_IDENTIFIER(read);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1313 RFILE rf;
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1314
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1315 /*
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1316 * Make a call to the read method, but read zero bytes.
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1317 * This is to ensure that the object passed in at least
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1318 * has a read method which returns bytes.
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1319 */
72835
5e33219492bc Add API for static strings, primarily good for identifiers.
Martin v. Löwis <martin@v.loewis.de>
parents: 72475
diff changeset
1320 data = _PyObject_CallMethodId(f, &PyId_read, "i", 0);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1321 if (data == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1322 return NULL;
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1323 if (!PyBytes_Check(data)) {
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1324 PyErr_Format(PyExc_TypeError,
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1325 "f.read() returned not bytes but %.100s",
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1326 data->ob_type->tp_name);
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1327 result = NULL;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1328 }
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parents: 56297
diff changeset
1329 else {
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1330 rf.depth = 0;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1331 rf.fp = NULL;
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1332 rf.readable = f;
71136
42193f3ffc94 Correct uninitialized data problem in marshal code.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 71135
diff changeset
1333 rf.current_filename = NULL;
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1334 result = read_object(&rf);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1335 }
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parents: 56297
diff changeset
1336 Py_DECREF(data);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1337 return result;
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1338 }
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1339
54035
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1340 PyDoc_STRVAR(load_doc,
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1341 "load(file)\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1342 \n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1343 Read one value from the open file and return it. If no valid value is\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1344 read (e.g. because the data has a different Python version’s\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1345 incompatible marshal format), raise EOFError, ValueError or TypeError.\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1346 The file must be an open file object opened in binary mode ('rb' or\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1347 'r+b').\n\
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1348 \n\
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1349 Note: If an object containing an unsupported type was marshalled with\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1350 dump(), load() will substitute None for the unmarshallable type.");
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1351
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parents: 53965
diff changeset
1352
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
1353 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
1354 marshal_dumps(PyObject *self, PyObject *args)
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1355 {
61467
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diff changeset
1356 PyObject *x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
1357 int version = Py_MARSHAL_VERSION;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
1358 if (!PyArg_ParseTuple(args, "O|i:dumps", &x, &version))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1359 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1360 return PyMarshal_WriteObjectToString(x, version);
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1361 }
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1362
54035
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diff changeset
1363 PyDoc_STRVAR(dumps_doc,
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R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1364 "dumps(value[, version])\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1365 \n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1366 Return the string that would be written to a file by dump(value, file).\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1367 The value must be a supported type. Raise a ValueError exception if\n\
19e959626109 Merged revisions 72597 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 53965
diff changeset
1368 value has (or contains an object that has) an unsupported type.\n\
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parents: 53965
diff changeset
1369 \n\
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parents: 53965
diff changeset
1370 The version argument indicates the data format that dumps should use.");
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parents: 53965
diff changeset
1371
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parents: 53965
diff changeset
1372
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
1373 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13447
diff changeset
1374 marshal_loads(PyObject *self, PyObject *args)
1191
38f0054f44a7 Added separate main program for the Mac: macmain.c
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
1375 {
61467
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parents: 56297
diff changeset
1376 RFILE rf;
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parents: 56297
diff changeset
1377 Py_buffer p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
1378 char *s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
1379 Py_ssize_t n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
1380 PyObject* result;
75374
4966907d3661 Issue #14177: marshal.loads() now raises TypeError when given an unicode string.
Antoine Pitrou <solipsis@pitrou.net>
parents: 75369
diff changeset
1381 if (!PyArg_ParseTuple(args, "y*:loads", &p))
61467
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parents: 56297
diff changeset
1382 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
1383 s = p.buf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
1384 n = p.len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56297
diff changeset
1385 rf.fp = NULL;
71131
edba722f3b02 Closes #12291: Fixed bug which was found when doing multiple loads from one stream.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 68257
diff changeset
1386 rf.readable = NULL;
70435
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190)
Benjamin Peterson <benjamin@python.org>
parents: 70434
diff changeset
1387 rf.current_filename = NULL;
61467
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diff changeset
1388 rf.ptr = s;
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parents: 56297
diff changeset
1389 rf.end = s + n;
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parents: 56297
diff changeset
1390 rf.depth = 0;
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parents: 56297
diff changeset
1391 result = read_object(&rf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56297
diff changeset
1392 PyBuffer_Release(&p);
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diff changeset
1393 return result;
267
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Guido van Rossum <guido@python.org>
parents:
diff changeset
1394 }
457661e47c7b Initial revision
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parents:
diff changeset
1395
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diff changeset
1396 PyDoc_STRVAR(loads_doc,
75374
4966907d3661 Issue #14177: marshal.loads() now raises TypeError when given an unicode string.
Antoine Pitrou <solipsis@pitrou.net>
parents: 75369
diff changeset
1397 "loads(bytes)\n\
54035
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diff changeset
1398 \n\
75374
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Antoine Pitrou <solipsis@pitrou.net>
parents: 75369
diff changeset
1399 Convert the bytes object to a value. If no valid value is found, raise\n\
4966907d3661 Issue #14177: marshal.loads() now raises TypeError when given an unicode string.
Antoine Pitrou <solipsis@pitrou.net>
parents: 75369
diff changeset
1400 EOFError, ValueError or TypeError. Extra characters in the input are\n\
54035
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diff changeset
1401 ignored.");
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diff changeset
1402
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parents: 5197
diff changeset
1403 static PyMethodDef marshal_methods[] = {
61467
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diff changeset
1404 {"dump", marshal_dump, METH_VARARGS, dump_doc},
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diff changeset
1405 {"load", marshal_load, METH_O, load_doc},
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parents: 56297
diff changeset
1406 {"dumps", marshal_dumps, METH_VARARGS, dumps_doc},
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parents: 56297
diff changeset
1407 {"loads", marshal_loads, METH_VARARGS, loads_doc},
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parents: 56297
diff changeset
1408 {NULL, NULL} /* sentinel */
267
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parents:
diff changeset
1409 };
457661e47c7b Initial revision
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parents:
diff changeset
1410
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diff changeset
1411
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diff changeset
1412 PyDoc_STRVAR(module_doc,
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parents: 53965
diff changeset
1413 "This module contains functions that can read and write Python values in\n\
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parents: 53965
diff changeset
1414 a binary format. The format is specific to Python, but independent of\n\
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diff changeset
1415 machine architecture issues.\n\
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diff changeset
1416 \n\
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parents: 53965
diff changeset
1417 Not all Python object types are supported; in general, only objects\n\
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parents: 53965
diff changeset
1418 whose value is independent from a particular invocation of Python can be\n\
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parents: 53965
diff changeset
1419 written and read by this module. The following types are supported:\n\
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diff changeset
1420 None, integers, floating point numbers, strings, bytes, bytearrays,\n\
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diff changeset
1421 tuples, lists, sets, dictionaries, and code objects, where it\n\
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parents: 53965
diff changeset
1422 should be understood that tuples, lists and dictionaries are only\n\
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parents: 53965
diff changeset
1423 supported as long as the values contained therein are themselves\n\
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parents: 53965
diff changeset
1424 supported; and recursive lists and dictionaries should not be written\n\
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diff changeset
1425 (they will cause infinite loops).\n\
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1426 \n\
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1427 Variables:\n\
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1428 \n\
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1429 version -- indicates the format that the module uses. Version 0 is the\n\
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1430 historical format, version 1 shares interned strings and version 2\n\
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1431 uses a binary format for floating point numbers.\n\
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1432 \n\
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1433 Functions:\n\
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1434 \n\
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1435 dump() -- write value to a file\n\
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1436 load() -- read value from a file\n\
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1437 dumps() -- write value to a string\n\
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1438 loads() -- read value from a string");
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1439
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1440
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1441
48370
bfaf14295794 Rename a variable to be more in line with the name of the module.
Brett Cannon <bcannon@gmail.com>
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1442 static struct PyModuleDef marshalmodule = {
61467
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1443 PyModuleDef_HEAD_INIT,
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1444 "marshal",
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1445 module_doc,
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1446 0,
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1447 marshal_methods,
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1448 NULL,
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1449 NULL,
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1450 NULL,
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1451 NULL
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
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1452 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47343
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1453
30311
f003e48f562d Bug #794140: cygwin builds do not embed
Jason Tishler <jason@tishler.net>
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diff changeset
1454 PyMODINIT_FUNC
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
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diff changeset
1455 PyMarshal_Init(void)
267
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1456 {
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1457 PyObject *mod = PyModule_Create(&marshalmodule);
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1458 if (mod == NULL)
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1459 return NULL;
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1460 PyModule_AddIntConstant(mod, "version", Py_MARSHAL_VERSION);
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1461 return mod;
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1462 }