Mercurial > cpython-lru_cache-weakref

annotate Python/pythonrun.c @ 1393:7d6a2d950f13 legacy-trunk

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* nismodule.c: database keys and values can contain null bytes. be more careful about these. * arraymodule.c: added 8 byte swap; added 'i' format character; added reverse() method; rename read/write to fromfile/tofile. * config.c: Set version to 0.9.9++. * rotormodule.c (r_rand): declare k1..k5 as unsigned longs so the shifts will have a well-defined effect independent of word size. * bltinmodule.c: renamed bagof() to filter().
author Guido van Rossum <guido@python.org>
date Wed, 03 Nov 1993 15:01:26 +0000
parents 7c3245c18677
children c914b10bf2ed
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1 /***********************************************************
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2 Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
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3 Amsterdam, The Netherlands.
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4
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5 All Rights Reserved
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6
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7 Permission to use, copy, modify, and distribute this software and its
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8 documentation for any purpose and without fee is hereby granted,
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9 provided that the above copyright notice appear in all copies and that
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10 both that copyright notice and this permission notice appear in
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11 supporting documentation, and that the names of Stichting Mathematisch
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12 Centrum or CWI not be used in advertising or publicity pertaining to
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13 distribution of the software without specific, written prior permission.
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14
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15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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22
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23 ******************************************************************/
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24
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25 /* Python interpreter top-level routines, including init/exit */
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26
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27 #include "allobjects.h"
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28
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29 #include "grammar.h"
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30 #include "node.h"
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31 #include "parsetok.h"
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32 #include "graminit.h"
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33 #include "errcode.h"
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34 #include "sysmodule.h"
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35 #include "compile.h"
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36 #include "eval.h"
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37 #include "ceval.h"
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38 #include "pythonrun.h"
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39 #include "import.h"
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40
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41 #ifdef unix
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42 #define HANDLE_SIGNALS
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43 #endif
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44
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45 #ifdef HANDLE_SIGNALS
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46 #include <signal.h>
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47 #include "sigtype.h"
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48 #endif
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49
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50 extern char *getpythonpath();
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51
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52 extern grammar gram; /* From graminit.c */
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53
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54 /* Forward */
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55 static object *run_err_node PROTO((int err, node *n, char *filename,
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56 object *globals, object *locals));
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57 static object *run_node PROTO((node *n, char *filename,
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58 object *globals, object *locals));
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59 static object *eval_node PROTO((node *n, char *filename,
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60 object *globals, object *locals));
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61 void initsigs PROTO(());
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62
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63 int debugging; /* Needed by parser.c */
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64 int verbose; /* Needed by import.c */
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65
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66 /* Initialize all */
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67
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68 void
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69 initall()
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70 {
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71 static int inited;
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72
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73 if (inited)
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74 return;
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75 inited = 1;
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76
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77 initimport();
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78
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79 /* Modules 'builtin' and 'sys' are initialized here,
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80 they are needed by random bits of the interpreter.
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81 All other modules are optional and are initialized
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82 when they are first imported. */
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83
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84 initbuiltin(); /* Also initializes builtin exceptions */
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85 initsys();
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86
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87 initcalls(); /* Configuration-dependent initializations */
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88
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89 setpythonpath(getpythonpath());
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90
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91 initsigs(); /* Signal handling stuff, including initintr() */
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92 }
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93
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94 /* Parse input from a file and execute it */
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95
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96 int
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97 run(fp, filename)
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98 FILE *fp;
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99 char *filename;
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100 {
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101 if (filename == NULL)
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102 filename = "???";
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103 if (isatty((int)fileno(fp)))
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104 return run_tty_loop(fp, filename);
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105 else
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106 return run_script(fp, filename);
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107 }
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108
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109 int
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110 run_tty_loop(fp, filename)
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111 FILE *fp;
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112 char *filename;
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113 {
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114 object *v;
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115 int ret;
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116 v = sysget("ps1");
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117 if (v == NULL) {
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118 sysset("ps1", v = newstringobject(">>> "));
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119 XDECREF(v);
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120 }
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121 v = sysget("ps2");
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122 if (v == NULL) {
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123 sysset("ps2", v = newstringobject("... "));
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124 XDECREF(v);
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125 }
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126 for (;;) {
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127 ret = run_tty_1(fp, filename);
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128 #ifdef REF_DEBUG
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129 fprintf(stderr, "[%ld refs]\n", ref_total);
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130 #endif
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131 if (ret == E_EOF)
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132 return 0;
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133 /*
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134 if (ret == E_NOMEM)
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135 return -1;
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136 */
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137 }
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138 }
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139
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140 int
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141 run_tty_1(fp, filename)
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142 FILE *fp;
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143 char *filename;
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144 {
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145 object *m, *d, *v, *w;
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146 node *n;
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147 char *ps1, *ps2;
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148 int err;
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149 v = sysget("ps1");
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150 w = sysget("ps2");
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151 if (v != NULL && is_stringobject(v)) {
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parents:
diff changeset
152 INCREF(v);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
153 ps1 = getstringvalue(v);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
154 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
155 else {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
156 v = NULL;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 ps1 = "";
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
158 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
159 if (w != NULL && is_stringobject(w)) {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
160 INCREF(w);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
161 ps2 = getstringvalue(w);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
162 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
163 else {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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164 w = NULL;
72aceed365d4 * Makefile adapted to changes below.
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165 ps2 = "";
72aceed365d4 * Makefile adapted to changes below.
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diff changeset
166 }
926
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
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diff changeset
167 BGN_SAVE
923
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168 err = parsefile(fp, filename, &gram, single_input, ps1, ps2, &n);
926
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169 END_SAVE
923
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170 XDECREF(v);
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Guido van Rossum <guido@python.org>
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171 XDECREF(w);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
172 if (err == E_EOF)
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173 return E_EOF;
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parents:
diff changeset
174 if (err != E_DONE) {
72aceed365d4 * Makefile adapted to changes below.
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175 err_input(err);
72aceed365d4 * Makefile adapted to changes below.
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176 print_error();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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177 return err;
72aceed365d4 * Makefile adapted to changes below.
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parents:
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178 }
72aceed365d4 * Makefile adapted to changes below.
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179 m = add_module("__main__");
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180 if (m == NULL)
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181 return -1;
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182 d = getmoduledict(m);
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183 v = run_node(n, filename, d, d);
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184 flushline();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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185 if (v == NULL) {
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186 print_error();
72aceed365d4 * Makefile adapted to changes below.
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187 return -1;
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188 }
72aceed365d4 * Makefile adapted to changes below.
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189 DECREF(v);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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190 return 0;
72aceed365d4 * Makefile adapted to changes below.
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191 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
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192
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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193 int
72aceed365d4 * Makefile adapted to changes below.
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194 run_script(fp, filename)
72aceed365d4 * Makefile adapted to changes below.
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195 FILE *fp;
72aceed365d4 * Makefile adapted to changes below.
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196 char *filename;
72aceed365d4 * Makefile adapted to changes below.
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197 {
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198 object *m, *d, *v;
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199 m = add_module("__main__");
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200 if (m == NULL)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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201 return -1;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
202 d = getmoduledict(m);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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203 v = run_file(fp, filename, file_input, d, d);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
204 flushline();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
205 if (v == NULL) {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
206 print_error();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
207 return -1;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
208 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
209 DECREF(v);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
210 return 0;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
211 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
212
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
213 int
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
214 run_command(command)
72aceed365d4 * Makefile adapted to changes below.
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diff changeset
215 char *command;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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216 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
217 object *m, *d, *v;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
218 m = add_module("__main__");
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
219 if (m == NULL)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
220 return -1;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
221 d = getmoduledict(m);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
222 v = run_string(command, file_input, d, d);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
223 flushline();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
224 if (v == NULL) {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
225 print_error();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
226 return -1;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
227 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
228 DECREF(v);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
229 return 0;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
230 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
231
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
232 void
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
233 print_error()
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
234 {
1073
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
235 object *exception, *v, *f;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
236 err_get(&exception, &v);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
237 if (exception == SystemExit) {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
238 if (v == NULL || v == None)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
239 goaway(0);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
240 if (is_intobject(v))
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
241 goaway((int)getintvalue(v));
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
242 else {
1073
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
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diff changeset
243 /* OK to use real stderr here */
923
72aceed365d4 * Makefile adapted to changes below.
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diff changeset
244 printobject(v, stderr, PRINT_RAW);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
245 fprintf(stderr, "\n");
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
246 goaway(1);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
247 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
248 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
249 sysset("last_type", exception);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
250 sysset("last_value", v);
1073
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
251 f = sysget("stderr");
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
252 if (f == NULL)
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
253 fprintf(stderr, "lost sys.stderr\n");
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
254 else {
1282
e0464e7115ca * pythonrun.c: Print exception type+arg *after* stack trace instead of
Guido van Rossum <guido@python.org>
parents: 1263
diff changeset
255 printtraceback(f);
1073
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
256 if (writeobject(exception, f, PRINT_RAW) != 0)
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
257 err_clear();
1073
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
258 if (v != NULL && v != None) {
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
259 writestring(": ", f);
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
260 if (writeobject(v, f, PRINT_RAW) != 0)
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
261 err_clear();
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
262 }
2c0432fcc270 Modified most (but not yet all) I/O to always go through sys.stdout or
Guido van Rossum <guido@python.org>
parents: 1015
diff changeset
263 writestring("\n", f);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
264 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
265 XDECREF(exception);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
266 XDECREF(v);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
267 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
268
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
269 object *
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
270 run_string(str, start, globals, locals)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
271 char *str;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
272 int start;
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
273 object *globals, *locals;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
274 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
275 node *n;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
276 int err;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
277 err = parse_string(str, start, &n);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
278 return run_err_node(err, n, "<string>", globals, locals);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
279 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
280
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
281 object *
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
282 run_file(fp, filename, start, globals, locals)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
283 FILE *fp;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
284 char *filename;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
285 int start;
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
286 object *globals, *locals;
923
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Guido van Rossum <guido@python.org>
parents:
diff changeset
287 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
288 node *n;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
289 int err;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
290 err = parse_file(fp, filename, start, &n);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
291 return run_err_node(err, n, filename, globals, locals);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
292 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
293
1319
cd397266dc1c * Makefile: added all: and default: targets.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
294 static object *
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
295 run_err_node(err, n, filename, globals, locals)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
296 int err;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
297 node *n;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
298 char *filename;
1263
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
299 object *globals, *locals;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
300 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
301 if (err != E_DONE) {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
302 err_input(err);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
303 return NULL;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
304 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
305 return run_node(n, filename, globals, locals);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
306 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
307
1319
cd397266dc1c * Makefile: added all: and default: targets.
Guido van Rossum <guido@python.org>
parents: 1289
diff changeset
308 static object *
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
309 run_node(n, filename, globals, locals)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
310 node *n;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
311 char *filename;
1263
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312 object *globals, *locals;
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313 {
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314 return eval_node(n, filename, globals, locals);
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315 }
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316
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317 static object *
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318 eval_node(n, filename, globals, locals)
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319 node *n;
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320 char *filename;
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321 object *globals;
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322 object *locals;
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323 {
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324 codeobject *co;
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325 object *v;
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326 co = compile(n, filename);
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327 freetree(n);
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328 if (co == NULL)
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329 return NULL;
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330 v = eval_code(co, globals, locals, (object *)NULL, (object *)NULL);
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331 DECREF(co);
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332 return v;
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333 }
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334
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335 object *
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336 compile_string(str, filename, start)
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337 char *str;
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338 char *filename;
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339 int start;
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340 {
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341 node *n;
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342 int err;
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343 codeobject *co;
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344 err = parse_string(str, start, &n);
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345 if (err != E_DONE) {
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346 err_input(err);
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347 return NULL;
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348 }
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349 co = compile(n, filename);
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350 freetree(n);
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351 return (object *)co;
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352 }
65a1e4e9cd54 * Fixed some subtleties with fastlocals. You can no longer access
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353
923
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354 /* Simplified interface to parsefile */
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355
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356 int
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357 parse_file(fp, filename, start, n_ret)
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358 FILE *fp;
72aceed365d4 * Makefile adapted to changes below.
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359 char *filename;
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360 int start;
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361 node **n_ret;
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362 {
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363 int ret;
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364 BGN_SAVE
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365 ret = parsefile(fp, filename, &gram, start,
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366 (char *)0, (char *)0, n_ret);
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367 END_SAVE
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368 return ret;
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369 }
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370
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371 /* Simplified interface to parsestring */
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372
72aceed365d4 * Makefile adapted to changes below.
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373 int
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374 parse_string(str, start, n_ret)
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375 char *str;
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376 int start;
72aceed365d4 * Makefile adapted to changes below.
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377 node **n_ret;
72aceed365d4 * Makefile adapted to changes below.
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378 {
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379 int err = parsestring(str, &gram, start, n_ret);
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Guido van Rossum <guido@python.org>
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380 /* Don't confuse early end of string with early end of input */
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381 if (err == E_EOF)
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382 err = E_SYNTAX;
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383 return err;
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384 }
72aceed365d4 * Makefile adapted to changes below.
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385
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Guido van Rossum <guido@python.org>
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386 /* Print fatal error message and abort */
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387
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388 void
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389 fatal(msg)
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390 char *msg;
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391 {
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392 fprintf(stderr, "Fatal error: %s\n", msg);
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393 abort();
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394 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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395
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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396 /* Clean up and exit */
72aceed365d4 * Makefile adapted to changes below.
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397
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398 #ifdef USE_THREAD
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399 extern int threads_started;
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400 #endif
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401
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402 static void
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403 cleanup()
923
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404 {
1015
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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diff changeset
405 object *exitfunc = sysget("exitfunc");
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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diff changeset
406
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
Guido van Rossum <guido@python.org>
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diff changeset
407 if (exitfunc) {
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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diff changeset
408 object *arg;
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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diff changeset
409 object *res;
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
Guido van Rossum <guido@python.org>
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diff changeset
410 sysset("exitfunc", (object *)NULL);
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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diff changeset
411 arg = newtupleobject(0);
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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diff changeset
412 if (arg == NULL)
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diff changeset
413 res = NULL;
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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diff changeset
414 else {
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
Guido van Rossum <guido@python.org>
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diff changeset
415 res = call_object(exitfunc, arg);
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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416 DECREF(arg);
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
Guido van Rossum <guido@python.org>
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diff changeset
417 }
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
Guido van Rossum <guido@python.org>
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418 if (res == NULL) {
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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419 fprintf(stderr, "Error in sys.exitfunc:\n");
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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420 print_error();
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
Guido van Rossum <guido@python.org>
parents: 961
diff changeset
421 }
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
Guido van Rossum <guido@python.org>
parents: 961
diff changeset
422 }
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
Guido van Rossum <guido@python.org>
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diff changeset
423
923
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Guido van Rossum <guido@python.org>
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424 flushline();
1079
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Guido van Rossum <guido@python.org>
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diff changeset
425 }
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
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426
1347
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects,
Sjoerd Mullender <sjoerd@acm.org>
parents: 1319
diff changeset
427 #ifdef COUNT_ALLOCS
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects,
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
428 extern void dump_counts PROTO((void));
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diff changeset
429 #endif
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects,
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
430
1079
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diff changeset
431 void
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
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diff changeset
432 goaway(sts)
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
parents: 1073
diff changeset
433 int sts;
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
parents: 1073
diff changeset
434 {
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
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diff changeset
435 cleanup();
926
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diff changeset
436
1347
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Sjoerd Mullender <sjoerd@acm.org>
parents: 1319
diff changeset
437 #ifdef COUNT_ALLOCS
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects,
Sjoerd Mullender <sjoerd@acm.org>
parents: 1319
diff changeset
438 dump_counts();
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects,
Sjoerd Mullender <sjoerd@acm.org>
parents: 1319
diff changeset
439 #endif
a22a350d3a5d * Extended X interface: pixmap objects, colormap objects visual objects,
Sjoerd Mullender <sjoerd@acm.org>
parents: 1319
diff changeset
440
926
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diff changeset
441 #ifdef USE_THREAD
c156d4960c2b * Makefile: cosmetics
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diff changeset
442
c156d4960c2b * Makefile: cosmetics
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diff changeset
443 /* Other threads may still be active, so skip most of the
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
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diff changeset
444 cleanup actions usually done (these are mostly for
c156d4960c2b * Makefile: cosmetics
Guido van Rossum <guido@python.org>
parents: 923
diff changeset
445 debugging anyway). */
c156d4960c2b * Makefile: cosmetics
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diff changeset
446
941
cd40e3eebb49 To ignore a call, cast it to (void), not to (void *)...
Guido van Rossum <guido@python.org>
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diff changeset
447 (void) save_thread();
926
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diff changeset
448 donecalls();
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 941
diff changeset
449 if (threads_started)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 941
diff changeset
450 _exit_prog(sts);
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 941
diff changeset
451 else
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 941
diff changeset
452 exit_prog(sts);
926
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parents: 923
diff changeset
453
c156d4960c2b * Makefile: cosmetics
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diff changeset
454 #else /* USE_THREAD */
923
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parents:
diff changeset
455
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
456 /* XXX Call doneimport() before donecalls(), since donecalls()
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
457 calls wdone(), and doneimport() may close windows */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
458 doneimport();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
459 donecalls();
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460
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Guido van Rossum <guido@python.org>
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461 err_clear();
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Guido van Rossum <guido@python.org>
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462
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463 #ifdef REF_DEBUG
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464 fprintf(stderr, "[%ld refs]\n", ref_total);
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465 #endif
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466
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467 #ifdef TRACE_REFS
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468 if (askyesno("Print left references?")) {
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469 printrefs(stderr);
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470 }
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Guido van Rossum <guido@python.org>
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471 #endif /* TRACE_REFS */
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472
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473 exit(sts);
926
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474 #endif /* USE_THREAD */
923
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475 /*NOTREACHED*/
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476 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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477
1079
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
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478 #ifdef HANDLE_SIGNALS
1319
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479 static SIGTYPE
1079
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
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480 sighandler(sig)
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
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481 int sig;
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Guido van Rossum <guido@python.org>
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482 {
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
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483 signal(sig, SIG_DFL); /* Don't catch recursive signals */
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Guido van Rossum <guido@python.org>
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484 cleanup(); /* Do essential clean-up */
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485 kill(getpid(), sig); /* Pretend the signal killed us */
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486 /*NOTREACHED*/
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
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487 }
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
Guido van Rossum <guido@python.org>
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488 #endif
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489
1319
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diff changeset
490 static void
1079
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diff changeset
491 initsigs()
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492 {
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493 initintr();
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494 #ifdef HANDLE_SIGNALS
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495 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
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496 signal(SIGHUP, sighandler);
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parents: 1073
diff changeset
497 if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
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498 signal(SIGTERM, sighandler);
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diff changeset
499 #endif
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500 }
e4c6a0dd5c2b * bltinmodule.c: added built-in function cmp(a, b)
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501
923
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502 #ifdef TRACE_REFS
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503 /* Ask a yes/no question */
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504
1015
f3d5e2c3b9a3 Add sys.exitfunc feature. Make askync non-static.
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diff changeset
505 int
923
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506 askyesno(prompt)
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507 char *prompt;
72aceed365d4 * Makefile adapted to changes below.
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508 {
72aceed365d4 * Makefile adapted to changes below.
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509 char buf[256];
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510
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511 printf("%s [ny] ", prompt);
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512 if (fgets(buf, sizeof buf, stdin) == NULL)
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513 return 0;
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514 return buf[0] == 'y' || buf[0] == 'Y';
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515 }
72aceed365d4 * Makefile adapted to changes below.
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516 #endif
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517
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518 #ifdef applec /* MPW (also usable for Think C 3.0) */
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519
72aceed365d4 * Makefile adapted to changes below.
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520 /* Check for file descriptor connected to interactive device.
72aceed365d4 * Makefile adapted to changes below.
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521 Pretend that stdin is always interactive, other files never. */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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522
72aceed365d4 * Makefile adapted to changes below.
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diff changeset
523 int
72aceed365d4 * Makefile adapted to changes below.
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diff changeset
524 isatty(fd)
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525 int fd;
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526 {
72aceed365d4 * Makefile adapted to changes below.
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527 return fd == fileno(stdin);
72aceed365d4 * Makefile adapted to changes below.
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528 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
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529
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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530 #endif