100 lines
2.0 KiB
C
100 lines
2.0 KiB
C
/*
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* make_commands.c
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*
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* Header: mk_cmds.c,v 1.6 89/01/25 07:47:26 raeburn Exp
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*
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* Copyright 1987, 1988 by MIT Student Information Processing Board
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*
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* For copyright information, see copyright.h.
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*/
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#include "copyright.h"
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#include <stdio.h>
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#include <sys/param.h>
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#include <sys/file.h>
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#include <strings.h>
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#include "ss_internal.h"
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static const char copyright[] =
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"Copyright 1987 by MIT Student Information Processing Board";
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extern pointer malloc PROTOTYPE((unsigned));
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extern char *last_token;
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extern FILE *output_file;
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extern FILE *yyin, *yyout;
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extern int yylineno;
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static void
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usage(void)
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{
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fprintf(stderr, "usage: mk_cmds cmdtbl.ct\n");
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exit(1);
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}
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int
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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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char c_file[MAXPATHLEN];
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int result;
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char *path, *p;
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if (argc != 2)
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usage();
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path = malloc(strlen(argv[1])+4); /* extra space to add ".ct" */
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strcpy(path, argv[1]);
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p = rindex(path, '/');
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if (p == (char *)NULL)
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p = path;
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else
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p++;
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p = rindex(p, '.');
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if (p == (char *)NULL || strcmp(p, ".ct"))
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strcat(path, ".ct");
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yyin = fopen(path, "r");
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if (!yyin) {
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perror(path);
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exit(1);
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}
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p = rindex(path, '.');
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*p = '\0';
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strcpy(c_file, path);
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strcat(c_file, ".c");
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*p = '.';
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output_file = fopen(c_file, "w+");
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if (!output_file) {
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perror(c_file);
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exit(1);
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}
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fputs("/* ", output_file);
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fputs(c_file, output_file);
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fputs(" - automatically generated from ", output_file);
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fputs(path, output_file);
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fputs(" */\n", output_file);
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fputs("#include <ss/ss.h>\n\n", output_file);
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fputs("#ifndef __STDC__\n#define const\n#endif\n\n", output_file);
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/* parse it */
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result = yyparse();
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/* put file descriptors back where they belong */
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fclose(yyin); /* bye bye input file */
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fclose(output_file); /* bye bye output file */
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return result;
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}
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int
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yyerror(s)
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char *s;
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{
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fputs(s, stderr);
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fprintf(stderr, "\nLine %d; last token was '%s'\n",
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yylineno, last_token);
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return 0;
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}
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