Mercurial > cpython-lru_cache-weakref

annotate Python/pythonmain.c @ 944:222f04f55083 legacy-trunk

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Changes so that user-defined classes can implement operations invoked by special syntax: you can now define your own numbers, sequences and mappings.
author Guido van Rossum <guido@python.org>
date Wed, 12 Aug 1992 15:35:34 +0000
parents c156d4960c2b
children 96acb35bb92b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /***********************************************************
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0cd197947d81 Copyright for 1992 added
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2 Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
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3 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 main program */
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26
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27 #include "allobjects.h"
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28
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29 extern int debugging; /* Needed by parser.c */
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30 extern int verbose; /* Needed by import.c */
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32 /* Interface to getopt(): */
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33 extern int optind;
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34 extern char *optarg;
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35 extern int getopt PROTO((int, char **, char *));
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36
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37 main(argc, argv)
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38 int argc;
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39 char **argv;
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40 {
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41 int c;
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42 int sts;
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43 char *command = NULL;
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44 char *filename = NULL;
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45 FILE *fp = stdin;
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46
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47 initargs(&argc, &argv); /* Defined in config*.c */
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48
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49 while ((c = getopt(argc, argv, "c:dv")) != EOF) {
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50 if (c == 'c') {
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51 /* -c is the last option; following arguments
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52 that look like options are left for the
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53 the command to interpret. */
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54 command = malloc(strlen(optarg) + 2);
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55 /* Ignore malloc errors this early... */
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56 strcpy(command, optarg);
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57 strcat(command, "\n");
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58 break;
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59 }
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60
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61 switch (c) {
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62
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63 case 'd':
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64 debugging++;
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65 break;
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66
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67 case 'v':
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68 verbose++;
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69 break;
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71 /* This space reserved for other options */
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73 default:
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74 fprintf(stderr,
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75 "usage: %s [-c cmd | file | -] [arg] ...\n",
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76 argv[0]);
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77 exit(2);
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78 /*NOTREACHED*/
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79
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80 }
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81 }
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83 if (command == NULL && optind < argc && strcmp(argv[optind], "-") != 0)
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84 filename = argv[optind];
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86 if (filename != NULL) {
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87 if ((fp = fopen(filename, "r")) == NULL) {
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88 fprintf(stderr, "%s: can't open file '%s'\n",
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89 argv[0], filename);
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90 exit(2);
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91 }
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92 }
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93
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94 initall();
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95
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96 if (command != NULL) {
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97 /* Backup optind and force sys.argv[0] = '-c' */
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98 optind--;
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99 argv[optind] = "-c";
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100 }
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101
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102 setpythonargv(argc-optind, argv+optind);
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103
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104 if (command) {
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105 sts = run_command(command) != 0;
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106 }
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107 else {
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108 sts = run(fp, filename == NULL ? "<stdin>" : filename) != 0;
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109 }
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110
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111 goaway(sts);
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112 /*NOTREACHED*/
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113 }