2 ** LCLint - annotation-assisted static program checker
3 ** Copyright (C) 1994-2001 University of Virginia,
4 ** Massachusetts Institute of Technology
6 ** This program is free software; you can redistribute it and/or modify it
7 ** under the terms of the GNU General Public License as published by the
8 ** Free Software Foundation; either version 2 of the License, or (at your
9 ** option) any later version.
11 ** This program is distributed in the hope that it will be useful, but
12 ** WITHOUT ANY WARRANTY; without even the implied warranty of
13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 ** General Public License for more details.
16 ** The GNU General Public License is available from http://www.gnu.org/ or
17 ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18 ** MA 02111-1307, USA.
20 ** For information on lclint: lclint-request@cs.virginia.edu
21 ** To report a bug: lclint-bug@cs.virginia.edu
22 ** For more information: http://lclint.cs.virginia.edu
27 /* CPP main program, using CPP Library.
28 Copyright (C) 1995 Free Software Foundation, Inc.
29 Written by Per Bothner, 1994-95.
31 This program is free software; you can redistribute it and/or modify it
32 under the terms of the GNU General Public License as published by the
33 Free Software Foundation; either version 2, or (at your option) any
36 This program is distributed in the hope that it will be useful,
37 but WITHOUT ANY WARRANTY; without even the implied warranty of
38 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
39 GNU General Public License for more details.
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
45 In other words, you are welcome to use, share and improve this program.
46 You are forbidden to forbid anyone else to use, share and improve
47 what you give them. Help stamp out software-hoarding! */
49 # include "lclintMacros.nf"
54 # include "cpperror.h"
61 extern /*@external@*/ /*@observer@*/ char *getenv (const char *);
70 /* More 'friendly' abort that prints the line and file.
71 config.h can #define abort fancy_abort if you like that sort of thing. */
76 fatal ("Internal gcc abort.");
80 void cppReader_initMod ()
82 struct cppOptions *opts = (struct cppOptions *) dmalloc (sizeof (*opts));
84 cppReader_init (&g_cppState);
85 llassert (g_cppState.opts == NULL);
86 g_cppState.opts = opts;
88 cppOptions_init (opts);
89 /*@-compdef@*/ /* g_cppState is not yet innitialized */
92 void cppReader_initialize ()
94 cppReader_initializeReader (&g_cppState);
97 int cppProcess (/*@dependent@*/ cstring infile,
98 /*@dependent@*/ cstring outfile)
101 struct cppOptions *opts = CPPOPTIONS (&g_cppState);
103 opts->out_fname = outfile;
104 opts->in_fname = infile;
105 opts->out_fname = outfile;
107 if (cppFatalErrors (&g_cppState))
112 g_cppState.show_column = TRUE;
114 if (cppReader_startProcess (&g_cppState, opts->in_fname) == 0)
119 ofile = fopen (cstring_toCharsSafe (outfile), "w");
123 fileTable_noDelete (context_fileTable (), outfile);
124 llfatalerror (message ("Cannot create temporary file for "
125 "pre-processor output. Trying to "
126 "open: %s. Use -tmpdir to change "
127 "the directory for temporary files.",
135 llassert (g_cppState.token_buffer != NULL);
137 if (!opts->no_output)
139 (void) fwrite (g_cppState.token_buffer, (size_t) 1,
140 cppReader_getWritten (&g_cppState), ofile);
143 cppReader_setWritten (&g_cppState, 0);
144 kind = cppGetToken (&g_cppState);
150 cppReader_finish (&g_cppState);
151 check (fclose (ofile) == 0);
153 /* Restore the original definition table. */
155 if (!context_getFlag (FLG_SINGLEINCLUDE))
157 cppReader_restoreHashtab ();
161 /* Undefine everything from this file! */
163 if (g_cppState.errors != 0) {
170 void cppAddIncludeDir (cstring dir)
172 /* -I option (Add directory to include path) */
173 struct file_name_list *dirtmp = (struct file_name_list *) dmalloc (sizeof (*dirtmp));
175 DPRINTF (("Add include: %s", dir));
177 dirtmp->next = 0; /* New one goes on the end */
178 dirtmp->control_macro = 0;
179 dirtmp->c_system_include_path = FALSE;
181 /* This copy is necessary...but shouldn't be? */
183 dirtmp->fname = cstring_copy (dir);
186 dirtmp->got_name_map = FALSE;
187 cppReader_addIncludeChain (&g_cppState, dirtmp);
190 void cppDoDefine (cstring str)
192 cppBuffer *tbuf = g_cppState.buffer;
194 g_cppState.buffer = NULL;
195 cppReader_define (&g_cppState, cstring_toCharsSafe (str));
196 g_cppState.buffer = tbuf;
199 void cppDoUndefine (cstring str)
203 char *buf = cstring_toCharsSafe (str);
205 sym_length = cppReader_checkMacroName (&g_cppState, buf,
206 cstring_makeLiteralTemp ("macro"));
208 while ((hp = cppReader_lookup (buf, sym_length, -1)) != NULL)
210 /*@-exposetrans@*/ /*@-dependenttrans@*/
211 cppReader_deleteMacro (hp);
212 /*@=exposetrans@*/ /*@=dependenttrans@*/
216 void cppReader_saveDefinitions ()
218 if (!context_getFlag (FLG_SINGLEINCLUDE))
220 cppReader_saveHashtab ();