1 /* CPP main program, using CPP Library.
2 * Copyright (C) 1995 Free Software Foundation, Inc.
3 * Written by Per Bothner, 1994-95.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2, or (at your option) any
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
19 * In other words, you are welcome to use, share and improve this program.
20 * You are forbidden to forbid anyone else to use, share and improve
21 * what you give them. Help stamp out software-hoarding! */
36 main(int argc, char **argv)
40 int argi = 1; /* Next argument to handle. */
41 struct cpp_options *opts = &options;
45 p = argv[0] + strlen(argv[0]);
47 while (p != argv[0] && p[-1] != '/')
49 while (p != argv[0] && p[-1] != '/' && p[-1] != '\\')
54 init_parse_file(&parse_in);
57 init_parse_options(opts);
59 argi += cpp_handle_options(&parse_in, argc - argi, argv + argi);
61 cpp_fatal("Invalid option `%s'", argv[argi]);
62 parse_in.show_column = 1;
64 i = push_parse_file(&parse_in, opts->in_fname);
65 if (i != SUCCESS_EXIT_CODE)
68 /* Now that we know the input file is valid, open the output. */
70 if (!opts->out_fname || !strcmp(opts->out_fname, ""))
71 opts->out_fname = "stdout";
72 else if (!freopen(opts->out_fname, "w", stdout))
73 cpp_pfatal_with_name(&parse_in, opts->out_fname);
78 kind = cpp_get_token(&parse_in);
80 fprintf(stderr, "%03d: kind=%d len=%d out=%d text=%d\n", i,
81 kind, CPP_WRITTEN(&parse_in), !opts->no_output, got_text);
118 fprintf(stderr, "'");
119 fwrite(parse_in.token_buffer, 1, CPP_WRITTEN(&parse_in), stderr);
120 fprintf(stderr, "'\n");
122 if (!opts->no_output)
124 fwrite(parse_in.token_buffer, 1, CPP_WRITTEN(&parse_in), stdout);
127 parse_in.limit = parse_in.token_buffer;
132 cpp_finish(&parse_in);
135 exit(FATAL_EXIT_CODE);
136 exit(SUCCESS_EXIT_CODE);