mirror of
https://git.code.sf.net/p/quake/quakeforge
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138 lines
2.8 KiB
C
138 lines
2.8 KiB
C
/*
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debug.c
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debug info support
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Copyright (C) 2001 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2001/7/14
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include <ctype.h>
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#include "QF/pr_comp.h"
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#include "debug.h"
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#include "diagnostic.h"
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#include "expr.h"
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#include "qfcc.h"
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#include "strpool.h"
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#include "value.h"
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int lineno_base;
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static srcline_t *free_srclines;
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void
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push_source_file (void)
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{
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srcline_t *srcline;
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ALLOC (16, srcline_t, srclines, srcline);
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srcline->source_file = pr.source_file;
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srcline->source_line = pr.source_line;
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srcline->next = pr.srcline_stack;
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pr.srcline_stack = srcline;
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}
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void
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pop_source_file (void)
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{
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srcline_t *tmp;
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if (!pr.srcline_stack) {
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notice (0, "unbalanced #includes. bug in preprocessor?");
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return;
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}
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tmp = pr.srcline_stack;
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pr.srcline_stack = tmp->next;
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tmp->next = free_srclines;
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free_srclines = tmp;
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}
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void
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line_info (char *text)
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{
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char *p;
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char *s;
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const char *str;
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int line;
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int flags;
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p = text;
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line = strtol (p, &s, 10);
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p = s;
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while (isspace ((unsigned char)*p))
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p++;
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if (!*p)
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error (0, "Unexpected end of file");
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str = make_string (p, &s); // grab the filename
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p = s;
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while (isspace ((unsigned char) *p))
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p++;
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flags = strtol (p, &s, 10);
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switch (flags) {
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case 1:
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push_source_file ();
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break;
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case 2:
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pop_source_file ();
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break;
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}
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while (*p && *p != '\n') // ignore rest
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p++;
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pr.source_line = line - 1;
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pr.source_file = ReuseString (strip_path (str));
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}
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pr_lineno_t *
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new_lineno (void)
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{
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if (pr.num_linenos == pr.linenos_size) {
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pr.linenos_size += 1024;
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pr.linenos = realloc (pr.linenos,
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pr.linenos_size * sizeof (pr_lineno_t));
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}
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memset (&pr.linenos[pr.num_linenos], 0, sizeof (pr_lineno_t));
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return &pr.linenos[pr.num_linenos++];
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}
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ddef_t *
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new_local (void)
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{
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if (pr.num_locals == pr.locals_size) {
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pr.locals_size += 1024;
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pr.locals = realloc (pr.locals, pr.locals_size * sizeof (ddef_t));
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}
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memset (&pr.locals[pr.num_locals], 0, sizeof (ddef_t));
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return &pr.locals[pr.num_locals++];
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}
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