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_openFile (context_fileTable (), outfile, "w");
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 (void) fwrite (g_cppState.token_buffer, (size_t) 1,
141 cpplib_getWritten (&g_cppState), ofile);
144 cppReader_setWritten (&g_cppState, 0);
145 kind = cpplib_getToken (&g_cppState);
151 cppReader_finish (&g_cppState);
152 check (fileTable_closeFile (context_fileTable (), ofile));
154 /* Restore the original definition table. */
156 if (!context_getFlag (FLG_SINGLEINCLUDE))
158 cppReader_restoreHashtab ();
162 /* Undefine everything from this file! */
164 if (g_cppState.errors != 0) {
171 void cppAddIncludeDir (cstring dir)
174 ** Add the -I- code. This code provided by Robin Watts <Robin.Watts@wss.co.uk>
177 if (cstring_equalLit (dir, "-I-"))
179 struct cppOptions *opts = CPPOPTIONS (&g_cppState);
180 opts->ignore_srcdir = TRUE;
184 /* -I option (Add directory to include path) */
185 struct file_name_list *dirtmp = (struct file_name_list *) dmalloc (sizeof (*dirtmp));
187 DPRINTF (("Add include: %s", dir));
189 dirtmp->next = 0; /* New one goes on the end */
190 dirtmp->control_macro = 0;
191 dirtmp->c_system_include_path = FALSE;
193 /* This copy is necessary...but shouldn't be? */
195 dirtmp->fname = cstring_copy (dir);
198 dirtmp->got_name_map = FALSE;
199 cppReader_addIncludeChain (&g_cppState, dirtmp);
203 void cppDoDefine (cstring str)
205 cppBuffer *tbuf = g_cppState.buffer;
207 g_cppState.buffer = NULL;
208 cppReader_define (&g_cppState, cstring_toCharsSafe (str));
209 g_cppState.buffer = tbuf;
212 void cppDoUndefine (cstring str)
216 char *buf = cstring_toCharsSafe (str);
218 sym_length = cppReader_checkMacroName (&g_cppState, buf,
219 cstring_makeLiteralTemp ("macro"));
221 while ((hp = cpphash_lookup (buf, size_toInt (sym_length), -1)) != NULL)
223 /*@-exposetrans@*/ /*@-dependenttrans@*/
224 cppReader_deleteMacro (hp);
225 /*@=exposetrans@*/ /*@=dependenttrans@*/
229 void cppReader_saveDefinitions ()
231 if (!context_getFlag (FLG_SINGLEINCLUDE))
233 cppReader_saveHashtab ();