201 lines
5.8 KiB
C
201 lines
5.8 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <fcntl.h>
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#if (defined(_WIN32) || defined(__IBMC__))
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#include <io.h>
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#else
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#include <unistd.h>
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#endif
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#include "cpp.h"
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#if defined MACOSX || defined AIX || !defined HAVE_GETOPT
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extern int stgetopt(int, char *const *, const char *);
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extern char *optarg;
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extern int optind;
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#else
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#include <getopt.h>
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#endif
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extern char rcsid[];
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int Pflag = 0; /* print no line information */
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int Iflag = 0; /* print includes */
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int Mflag = 0; /* print macor expansion */
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int Aflag = 0; /* translate character sets */
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int Xflag = 0; /* print pragma for include/import */
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int Vflag = 0; /* verbose flag */
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int Cflag = 0; /* do not remove any comments */
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int Dflag = 0; /* add parameter check to delete op */
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int Cplusplus = 0;
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extern void setup_kwtab(void);
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void
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setup(int argc, char **argv)
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{
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int c, fd, i, n;
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char *fp, *dp;
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Tokenrow tr;
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setup_kwtab();
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#if defined MACOSX || defined(AIX) || !defined HAVE_GETOPT
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while ((c = stgetopt(argc, argv, "NOPV:I:D:U:F:A:X:u:l:+")) != -1)
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#else
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while ((c = getopt(argc, argv, "NOPV:I:D:U:F:A:X:u:l:+")) != -1)
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#endif
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switch (c)
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{
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case 'N':
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for (i = 0; i < NINCLUDE; i++)
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if (includelist[i].always == 1)
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includelist[i].deleted = 1;
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break;
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case 'I':
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for (i = NINCLUDE - 2; i >= 0; i--)
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{
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if (includelist[i].file == NULL)
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{
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includelist[i].always = 1;
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includelist[i].file = optarg;
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break;
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}
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}
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if (i < 0)
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error(FATAL, "Too many -I directives");
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break;
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case 'D':
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case 'U':
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case 'A':
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setsource("<cmdarg>", -1, -1, optarg, 0);
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maketokenrow(3, &tr);
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gettokens(&tr, 1);
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doadefine(&tr, c);
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unsetsource();
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break;
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case 'P': /* Lineinfo */
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Pflag++;
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break;
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case 'V':
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for (n = 0; (c = optarg[n]) != '\0'; n++)
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switch (c)
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{
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case 'i':
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Iflag++;
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break;
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case 'm':
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Mflag = 1;
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break;
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case 'x':
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Mflag = 2;
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break;
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case 't':
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Vflag++;
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break;
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case 'v':
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fprintf(stderr, "%s %s\n", argv[0], rcsid);
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break;
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default:
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error(WARNING, "Unknown verbose option %c", c);
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}
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break;
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case 'X':
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for (n = 0; (c = optarg[n]) != '\0'; n++)
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switch (c)
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{
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case 'a':
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Aflag++;
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break;
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case 'i':
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Xflag++;
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break;
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case 'c':
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Cflag++;
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break;
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case 'd':
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Dflag++;
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break;
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case 'w':
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dp = &optarg[n + 1];
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n += (int)strlen(dp);
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while (isspace(*dp)) dp++;
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for (i = NINCLUDE - 1; i >= 0; i--)
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{
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if (wraplist[i].file == NULL)
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{
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wraplist[i].file = dp;
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break;
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}
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}
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if (i < 0)
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error(WARNING, "Too many -Xw directives");
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break;
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default:
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error(WARNING, "Unknown extension option %c", c);
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}
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break;
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case '+':
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Cplusplus++;
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break;
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case 'u': /* -undef fuer GCC (dummy) */
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case 'l': /* -lang-c++ fuer GCC (dummy) */
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break;
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default:
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break;
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}
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dp = ".";
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fp = "<stdin>";
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fd = 0;
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if (optind < argc)
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{
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if ((fp = strrchr(argv[optind], '/')) != NULL)
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{
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int len = (int)(fp - argv[optind]);
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dp = (char *) newstring((uchar *) argv[optind], len + 1, 0);
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dp[len] = '\0';
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}
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fp = (char *) newstring((uchar *) argv[optind], strlen(argv[optind]), 0);
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if ((fd = open(fp, O_RDONLY)) <= 0)
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error(FATAL, "Can't open input file %s", fp);
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}
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if (optind + 1 < argc)
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{
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int fdo = creat(argv[optind + 1], 0666);
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if (fdo < 0)
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error(FATAL, "Can't open output file %s", argv[optind + 1]);
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dup2(fdo, 1);
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}
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includelist[NINCLUDE - 1].always = 0;
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includelist[NINCLUDE - 1].file = dp;
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setsource(fp, -1, fd, NULL, 0);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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