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7f2935c7 | 1 | /* CPP main program, using CPP Library. |
40ea76de | 2 | Copyright (C) 1995, 1997-1999, 2000 Free Software Foundation, Inc. |
7f2935c7 PB |
3 | Written by Per Bothner, 1994-95. |
4 | ||
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 | |
8 | later version. | |
9 | ||
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. | |
14 | ||
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 | |
940d9d63 | 17 | Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
7f2935c7 PB |
18 | |
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! */ | |
22 | ||
84ee6fd4 | 23 | #include "config.h" |
b04cd507 | 24 | #include "system.h" |
b04cd507 | 25 | #include "cpplib.h" |
ab87f8c8 | 26 | #include "intl.h" |
7f2935c7 | 27 | |
bcc5cac9 | 28 | const char *progname; |
1802bb1c | 29 | |
7f2935c7 PB |
30 | cpp_reader parse_in; |
31 | cpp_options options; | |
32 | ||
7f2935c7 | 33 | \f |
bcc5cac9 | 34 | extern int main PARAMS ((int, char **)); |
7f2935c7 PB |
35 | int |
36 | main (argc, argv) | |
37 | int argc; | |
38 | char **argv; | |
39 | { | |
40 | char *p; | |
0f41302f | 41 | int argi = 1; /* Next argument to handle. */ |
7f2935c7 | 42 | struct cpp_options *opts = &options; |
2c826217 | 43 | enum cpp_token kind; |
7f2935c7 PB |
44 | |
45 | p = argv[0] + strlen (argv[0]); | |
46 | while (p != argv[0] && p[-1] != '/') --p; | |
47 | progname = p; | |
48 | ||
d9b53430 | 49 | #ifdef HAVE_LC_MESSAGES |
ab87f8c8 | 50 | setlocale (LC_MESSAGES, ""); |
d9b53430 | 51 | #endif |
735396d9 KG |
52 | (void) bindtextdomain (PACKAGE, localedir); |
53 | (void) textdomain (PACKAGE); | |
ab87f8c8 | 54 | |
59de0311 | 55 | cpp_reader_init (&parse_in); |
c50bca08 | 56 | parse_in.opts = opts; |
7f2935c7 | 57 | |
59de0311 | 58 | cpp_options_init (opts); |
7f2935c7 PB |
59 | |
60 | argi += cpp_handle_options (&parse_in, argc - argi , argv + argi); | |
6c8e6d0c PB |
61 | if (argi < argc && ! CPP_FATAL_ERRORS (&parse_in)) |
62 | cpp_fatal (&parse_in, "Invalid option `%s'", argv[argi]); | |
59de0311 | 63 | if (CPP_FATAL_ERRORS (&parse_in)) |
bcc5cac9 | 64 | return (FATAL_EXIT_CODE); |
59de0311 | 65 | |
7f2935c7 PB |
66 | parse_in.show_column = 1; |
67 | ||
59de0311 | 68 | if (! cpp_start_read (&parse_in, opts->in_fname)) |
bcc5cac9 | 69 | return (FATAL_EXIT_CODE); |
7f2935c7 PB |
70 | |
71 | /* Now that we know the input file is valid, open the output. */ | |
72 | ||
73 | if (!opts->out_fname || !strcmp (opts->out_fname, "")) | |
74 | opts->out_fname = "stdout"; | |
75 | else if (! freopen (opts->out_fname, "w", stdout)) | |
c1212d2f ZW |
76 | { |
77 | cpp_notice_from_errno (&parse_in, opts->out_fname); | |
78 | return (FATAL_EXIT_CODE); | |
79 | } | |
7f2935c7 | 80 | |
5d83f44b | 81 | if (! opts->no_output) |
7f2935c7 | 82 | { |
5d83f44b | 83 | do |
7f2935c7 | 84 | { |
5d83f44b ZW |
85 | kind = cpp_get_token (&parse_in); |
86 | if (CPP_WRITTEN (&parse_in) >= BUFSIZ || kind == CPP_EOF) | |
2c826217 ZW |
87 | { |
88 | size_t rem, count = CPP_WRITTEN (&parse_in); | |
89 | ||
90 | rem = fwrite (parse_in.token_buffer, 1, count, stdout); | |
91 | if (rem < count) | |
92 | /* Write error. */ | |
c1212d2f | 93 | cpp_notice_from_errno (&parse_in, opts->out_fname); |
2c826217 | 94 | |
5d83f44b ZW |
95 | CPP_SET_WRITTEN (&parse_in, 0); |
96 | } | |
97 | } | |
98 | while (kind != CPP_EOF); | |
99 | } | |
100 | else | |
101 | { | |
102 | do | |
103 | { | |
104 | cpp_scan_buffer (&parse_in); | |
105 | kind = cpp_get_token (&parse_in); | |
7f2935c7 | 106 | } |
5d83f44b ZW |
107 | while (kind != CPP_EOF); |
108 | CPP_SET_WRITTEN (&parse_in, 0); | |
7f2935c7 PB |
109 | } |
110 | ||
111 | cpp_finish (&parse_in); | |
2c826217 ZW |
112 | if (fwrite (parse_in.token_buffer, 1, CPP_WRITTEN (&parse_in), stdout) |
113 | < CPP_WRITTEN (&parse_in)) | |
c1212d2f | 114 | cpp_notice_from_errno (&parse_in, opts->out_fname); |
7f2935c7 | 115 | |
a9ae4483 ZW |
116 | cpp_cleanup (&parse_in); |
117 | ||
7f2935c7 | 118 | if (parse_in.errors) |
bcc5cac9 KG |
119 | return (FATAL_EXIT_CODE); |
120 | return (SUCCESS_EXIT_CODE); | |
7f2935c7 | 121 | } |