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			123 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/***********************************************************
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Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
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Netherlands.
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                        All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its 
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documentation for any purpose and without fee is hereby granted, 
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in 
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Python interpreter main program */
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#include "allobjects.h"
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extern int debugging; /* Needed by parser.c */
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extern int verbose; /* Needed by import.c */
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/* Interface to getopt(): */
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extern int optind;
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extern char *optarg;
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extern int getopt PROTO((int, char **, char *));
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main(argc, argv)
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	int argc;
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	char **argv;
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{
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	int c;
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	int sts;
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	char *command = NULL;
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	char *filename = NULL;
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	FILE *fp = stdin;
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	initargs(&argc, &argv); /* Defined in config*.c */
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	while ((c = getopt(argc, argv, "c:dv")) != EOF) {
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		if (c == 'c') {
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			/* -c is the last option; following arguments
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			   that look like options are left for the
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			   the command to interpret. */
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			command = malloc(strlen(optarg) + 2);
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			/* Ignore malloc errors this early... */
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			strcpy(command, optarg);
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			strcat(command, "\n");
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			break;
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		}
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		switch (c) {
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		case 'd':
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			debugging++;
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			break;
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		case 'v':
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			verbose++;
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			break;
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		/* This space reserved for other options */
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		default:
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			fprintf(stderr,
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				"usage: %s [-c cmd | file | -] [arg] ...\n",
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				argv[0]);
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			exit(2);
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			/*NOTREACHED*/
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		}
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	}
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	if (command == NULL && optind < argc && strcmp(argv[optind], "-") != 0)
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		filename = argv[optind];
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	if (filename != NULL) {
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		if ((fp = fopen(filename, "r")) == NULL) {
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			fprintf(stderr, "%s: can't open file '%s'\n",
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				argv[0], filename);
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			exit(2);
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		}
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	}
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	initall();
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	if (command != NULL) {
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		/* Backup optind and force sys.argv[0] = '-c' */
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		optind--;
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		argv[optind] = "-c";
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	}
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	setpythonargv(argc-optind, argv+optind);
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	if (command) {
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		sts = run_command(command) != 0;
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	}
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	else {
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		if (filename == NULL && isatty((int)fileno(fp))) {
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			char *startup = getenv("PYTHONSTARTUP");
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			if (startup != NULL && startup[0] != '\0') {
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				FILE *fp = fopen(startup, "r");
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				if (fp != NULL) {
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					(void) run_script(fp, startup);
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					err_clear();
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				}
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			}
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		}
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		sts = run(fp, filename == NULL ? "<stdin>" : filename) != 0;
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	}
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	goaway(sts);
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	/*NOTREACHED*/
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}
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