2 ** Splint - annotation-assisted static program checker
3 ** Copyright (C) 1994-2002 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 splint: info@splint.org
21 ** To report a bug: splint-bug@splint.org
22 ** For more information: http://www.splint.org
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 "splintMacros.nf"
53 # 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 cpplib_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 cpplib_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 (cpplib_fatalErrors (&g_cppState))
112 g_cppState.show_column = TRUE;
114 if (cppReader_startProcess (&g_cppState, opts->in_fname) == 0)
119 ofile = fileTable_createFile (context_fileTable (), outfile);
123 fileTable_noDelete (context_fileTable (), outfile);
125 llfatalerror (message ("Cannot create temporary file for "
126 "pre-processor output. Trying to "
127 "open: %s. Use -tmpdir to change "
128 "the directory for temporary files.",
136 llassert (g_cppState.token_buffer != NULL);
138 if (!opts->no_output)
140 DPRINTF (("Writing: %s", cstring_copyLength (g_cppState.token_buffer, cpplib_getWritten (&g_cppState))));
142 (void) fwrite (g_cppState.token_buffer, (size_t) 1,
143 cpplib_getWritten (&g_cppState), ofile);
146 cppReader_setWritten (&g_cppState, 0);
147 kind = cpplib_getToken (&g_cppState);
153 cppReader_finish (&g_cppState);
154 check (fileTable_closeFile (context_fileTable (), ofile));
156 /* Restore the original definition table. */
158 if (!context_getFlag (FLG_SINGLEINCLUDE))
160 cppReader_restoreHashtab ();
164 /* Undefine everything from this file! */
166 if (g_cppState.errors != 0) {
173 void cppAddIncludeDir (cstring dir)
176 ** Add the -I- code. This code provided by Robin Watts <Robin.Watts@wss.co.uk>
179 DPRINTF (("Adding include: %s", dir));
181 if (cstring_equalLit (dir, "-I-"))
183 struct cppOptions *opts = CPPOPTIONS (&g_cppState);
184 opts->ignore_srcdir = TRUE;
188 /* -I option (Add directory to include path) */
189 struct file_name_list *dirtmp = (struct file_name_list *) dmalloc (sizeof (*dirtmp));
191 llassert (cstring_firstChar (dir) == 'I');
192 dir = cstring_suffix (dir, 1);
194 DPRINTF (("Add include: %s", dir));
196 dirtmp->next = 0; /* New one goes on the end */
197 dirtmp->control_macro = 0;
198 dirtmp->c_system_include_path = FALSE;
200 /* This copy is necessary...but shouldn't be? */
202 dirtmp->fname = cstring_copy (dir);
205 dirtmp->got_name_map = FALSE;
206 cppReader_addIncludeChain (&g_cppState, dirtmp);
210 void cppDoDefine (cstring str)
212 cppBuffer *tbuf = g_cppState.buffer;
214 g_cppState.buffer = NULL;
215 cppReader_define (&g_cppState, cstring_toCharsSafe (str));
216 g_cppState.buffer = tbuf;
219 void cppDoUndefine (cstring str)
223 char *buf = cstring_toCharsSafe (str);
225 sym_length = cppReader_checkMacroName (&g_cppState, buf,
226 cstring_makeLiteralTemp ("macro"));
228 while ((hp = cpphash_lookup (buf, size_toInt (sym_length), -1)) != NULL)
230 /*@-exposetrans@*/ /*@-dependenttrans@*/
231 cppReader_deleteMacro (hp);
232 /*@=exposetrans@*/ /*@=dependenttrans@*/
236 void cppReader_saveDefinitions ()
238 if (!context_getFlag (FLG_SINGLEINCLUDE))
240 cppReader_saveHashtab ();