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/*
** Splint - annotation-assisted static program checker
** Copyright (C) 1994-2003 University of Virginia,
** Massachusetts Institute of Technology
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation; either version 2 of the License, or (at your
** option) any later version.
**
** This program is distributed in the hope that it will be useful, but
** WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
**
** The GNU General Public License is available from http://www.gnu.org/ or
** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
** MA 02111-1307, USA.
**
** For information on splint: info@splint.org
** To report a bug: splint-bug@splint.org
** For more information: http://www.splint.org
*/
/*
** rcfiles.c
*/
# include "splintMacros.nf"
# include "basic.h"
# include "rcfiles.h"
static void rcfiles_loadFile (FILE *p_rcfile, cstringList *p_passThroughArgs)
/*@modifies *p_passThroughArgs, p_rcfile@*/
/*@ensures closed p_rcfile@*/ ;
bool rcfiles_read (cstring fname, cstringList *passThroughArgs, bool report)
{
bool res = FALSE;
if (fileTable_exists (context_fileTable (), fname))
{
if (report)
{
voptgenerror
(FLG_WARNRC,
message ("Multiple attempts to read options file: %s", fname),
g_currentloc);
}
}
else
{
FILE *innerf = fileTable_openReadFile (context_fileTable (), fname);
if (innerf != NULL)
{
fileloc fc = g_currentloc;
g_currentloc = fileloc_createRc (fname);
displayScan (message ("reading options from %q",
fileloc_outputFilename (g_currentloc)));
rcfiles_loadFile (innerf, passThroughArgs);
fileloc_reallyFree (g_currentloc);
g_currentloc = fc;
res = TRUE;
}
else
{
if (report)
{
voptgenerror
(FLG_WARNRC,
message ("Cannot open options file: %s", fname),
g_currentloc);
}
}
}
return res;
}
static void rcfiles_loadFile (/*:open:*/ FILE *rcfile, cstringList *passThroughArgs)
/*@modifies rcfile@*/
/*@ensures closed rcfile@*/
{
char *s = mstring_create (MAX_LINE_LENGTH);
char *os = s;
cstringList args = cstringList_new ();
DPRINTF (("Loading rc file..."));
s = os;
while (reader_readLine (rcfile, s, MAX_LINE_LENGTH) != NULL)
{
char c;
DPRINTF (("Line: %s", s));
DPRINTF (("args: %s", cstringList_unparse (args)));
while (*s == ' ' || *s == '\t')
{
s++;
incColumn ();
}
while (*s != '\0')
{
char *thisflag;
bool escaped = FALSE;
bool quoted = FALSE;
c = *s;
/* comment characters */
if (c == '#' || c == ';' || c == '\n')
{
/*@innerbreak@*/
break;
}
thisflag = s;
while ((c = *s) != '\0')
{ /* remember to handle spaces and quotes in -D and -U ... */
if (escaped)
{
escaped = FALSE;
}
else if (quoted)
{
if (c == '\\')
{
escaped = TRUE;
}
else if (c == '\"')
{
quoted = FALSE;
}
else
{
;
}
}
else if (c == '\"')
{
quoted = TRUE;
}
else
{
if (c == ' ' || c == '\t' || c == '\n')
{
/*@innerbreak@*/ break;
}
}
s++;
incColumn ();
}
DPRINTF (("Nulling: %c", *s));
*s = '\0';
if (mstring_isEmpty (thisflag))
{
llfatalerror (message ("Missing flag: %s",
cstring_fromChars (os)));
}
else
{
args = cstringList_add (args, cstring_fromCharsNew (thisflag));
DPRINTF (("args: %s", cstringList_unparse (args)));
}
*s = c;
DPRINTF (("Pass through: %s", cstringList_unparse (*passThroughArgs)));
while ((c == ' ') || (c == '\t'))
{
c = *(++s);
incColumn ();
}
}
s = os;
}
sfree (os);
DPRINTF (("args: %s", cstringList_unparse (args)));
flags_processFlags (FALSE,
fileIdList_undefined,
fileIdList_undefined,
fileIdList_undefined,
fileIdList_undefined,
passThroughArgs,
cstringList_size (args),
/*@-nullstate@*/ /*@-type@*/ /* exposes cstring type */
cstringList_getElements (args)
/*@=nullstate@*/ /*@=type@*/
);
cstringList_free (args);
check (fileTable_closeFile (context_fileTable (), rcfile));
}
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