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"
53 # include "cpperror.h"
60 extern /*@external@*/ /*@observer@*/ char *getenv (const char *);
69 /* More 'friendly' abort that prints the line and file.
70 config.h can #define abort fancy_abort if you like that sort of thing. */
75 fatal ("Internal gcc abort.");
79 void cppReader_initMod ()
81 struct cppOptions *opts = (struct cppOptions *) dmalloc (sizeof (*opts));
83 cppReader_init (&g_cppState);
84 llassert (g_cppState.opts == NULL);
85 g_cppState.opts = opts;
87 cppOptions_init (opts);
88 /*@-compdef@*/ /* g_cppState is not yet innitialized */
91 void cppReader_initialize ()
93 cppReader_initializeReader (&g_cppState);
96 int cppProcess (/*@dependent@*/ cstring infile,
97 /*@dependent@*/ cstring outfile)
100 struct cppOptions *opts = CPPOPTIONS (&g_cppState);
102 opts->out_fname = outfile;
103 opts->in_fname = infile;
104 opts->out_fname = outfile;
106 if (cppFatalErrors (&g_cppState))
111 g_cppState.show_column = TRUE;
113 if (cppReader_startProcess (&g_cppState, opts->in_fname) == 0)
118 ofile = fopen (cstring_toCharsSafe (outfile), "w");
122 fileTable_noDelete (context_fileTable (), outfile);
123 llfatalerror (message ("Cannot create temporary file for "
124 "pre-processor output. Trying to "
125 "open: %s. Use -tmpdir to change "
126 "the directory for temporary files.",
134 llassert (g_cppState.token_buffer != NULL);
136 if (!opts->no_output)
138 (void) fwrite (g_cppState.token_buffer, (size_t) 1,
139 cppReader_getWritten (&g_cppState), ofile);
142 cppReader_setWritten (&g_cppState, 0);
143 kind = cppGetToken (&g_cppState);
149 cppReader_finish (&g_cppState);
150 check (fclose (ofile) == 0);
152 /* Restore the original definition table. */
154 if (!context_getFlag (FLG_SINGLEINCLUDE))
156 cppReader_restoreHashtab ();
160 /* Undefine everything from this file! */
162 if (g_cppState.errors != 0) {
169 void cppAddIncludeDir (cstring dir)
172 ** Add the -I- code. This code provided by Robin Watts <Robin.Watts@wss.co.uk>
175 if (cstring_equalLit (dir, "-I-"))
177 struct cppOptions *opts = CPPOPTIONS (&g_cppState);
178 opts->ignore_srcdir = TRUE;
182 /* -I option (Add directory to include path) */
183 struct file_name_list *dirtmp = (struct file_name_list *) dmalloc (sizeof (*dirtmp));
185 DPRINTF (("Add include: %s", dir));
187 dirtmp->next = 0; /* New one goes on the end */
188 dirtmp->control_macro = 0;
189 dirtmp->c_system_include_path = FALSE;
191 /* This copy is necessary...but shouldn't be? */
193 dirtmp->fname = cstring_copy (dir);
196 dirtmp->got_name_map = FALSE;
197 cppReader_addIncludeChain (&g_cppState, dirtmp);
201 void cppDoDefine (cstring str)
203 cppBuffer *tbuf = g_cppState.buffer;
205 g_cppState.buffer = NULL;
206 cppReader_define (&g_cppState, cstring_toCharsSafe (str));
207 g_cppState.buffer = tbuf;
210 void cppDoUndefine (cstring str)
214 char *buf = cstring_toCharsSafe (str);
216 sym_length = cppReader_checkMacroName (&g_cppState, buf,
217 cstring_makeLiteralTemp ("macro"));
219 while ((hp = cppReader_lookup (buf, sym_length, -1)) != NULL)
221 /*@-exposetrans@*/ /*@-dependenttrans@*/
222 cppReader_deleteMacro (hp);
223 /*@=exposetrans@*/ /*@=dependenttrans@*/
227 void cppReader_saveDefinitions ()
229 if (!context_getFlag (FLG_SINGLEINCLUDE))
231 cppReader_saveHashtab ();