X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0e021770cc023c6a2e7ae132a3aab55bc7cbc058..d0d3313d10a28aa6fe77f158d61b84424aa9b3ce:/src/files.c
diff --git a/src/files.c b/src/files.c
index d90c4664..f698c7e9 100644
--- a/src/files.c
+++ b/src/files.c
@@ -1,24 +1,22 @@
/* Open and close files for Bison.
- Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1984, 1986, 1989, 1992, 2000-2012 Free Software
+ Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
- Bison 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, or (at your option)
- any later version.
+ 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 3 of the License, or
+ (at your option) any later version.
- Bison 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.
+ 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.
You should have received a copy of the GNU General Public License
- along with Bison; see the file COPYING. If not, write to the Free
- Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see . */
#include
#include "system.h"
@@ -27,6 +25,7 @@
#include
#include
#include
+#include
#include
#include
@@ -35,9 +34,6 @@
#include "getargs.h"
#include "gram.h"
-struct obstack pre_prologue_obstack;
-struct obstack post_prologue_obstack;
-
/* Initializing some values below (such SPEC_NAME_PREFIX to `yy') is
tempting, but don't do that: for the time being our handling of the
%directive vs --option leaves precedence to the options by deciding
@@ -50,6 +46,7 @@ char const *spec_file_prefix = NULL; /* for -b. */
char const *spec_name_prefix = NULL; /* for -p. */
char *spec_verbose_file = NULL; /* for --verbose. */
char *spec_graph_file = NULL; /* for -g. */
+char *spec_xml_file = NULL; /* for -x. */
char *spec_defines_file = NULL; /* for --defines. */
char *parser_file_name;
@@ -113,7 +110,8 @@ xfopen (const char *name, const char *mode)
ptr = fopen_safer (name, mode);
if (!ptr)
- error (EXIT_FAILURE, get_errno (), _("cannot open file `%s'"), name);
+ error (EXIT_FAILURE, get_errno (),
+ _("%s: cannot open"), quotearg_colon (name));
return ptr;
}
@@ -129,7 +127,7 @@ xfclose (FILE *ptr)
return;
if (ferror (ptr))
- error (EXIT_FAILURE, 0, _("I/O error"));
+ error (EXIT_FAILURE, 0, _("input/output error"));
if (fclose (ptr) != 0)
error (EXIT_FAILURE, get_errno (), _("cannot close file"));
@@ -140,15 +138,6 @@ xfclose (FILE *ptr)
| Compute ALL_BUT_EXT, ALL_BUT_TAB_EXT and output files extensions. |
`------------------------------------------------------------------*/
-/* In the string S, replace all characters FROM by TO. */
-static void
-tr (char *s, char from, char to)
-{
- for (; *s; s++)
- if (*s == from)
- *s = to;
-}
-
/* Compute extensions from the grammar file extension. */
static void
compute_exts_from_gf (const char *ext)
@@ -218,7 +207,7 @@ file_name_split (const char *file_name,
*base = last_component (file_name);
/* Look for the extension, i.e., look for the last dot. */
- *ext = strrchr (*base, '.');
+ *ext = mbsrchr (*base, '.');
*tab = NULL;
/* If there is an extension, check if there is a `.tab' part right
@@ -271,7 +260,9 @@ compute_file_name_parts (void)
if (spec_file_prefix)
{
/* If --file-prefix=foo was specified, ALL_BUT_TAB_EXT = `foo'. */
- dir_prefix = xstrndup (grammar_file, base - grammar_file);
+ dir_prefix =
+ xstrndup (spec_file_prefix,
+ last_component (spec_file_prefix) - spec_file_prefix);
all_but_tab_ext = xstrdup (spec_file_prefix);
}
else if (yacc_flag)
@@ -330,13 +321,21 @@ compute_output_file_names (void)
{
if (! spec_graph_file)
spec_graph_file = concat2 (all_but_tab_ext, ".dot");
- output_file_name_check (spec_graph_file);
+ output_file_name_check (&spec_graph_file);
+ }
+
+ if (xml_flag)
+ {
+ if (! spec_xml_file)
+ spec_xml_file = concat2 (all_but_tab_ext, ".xml");
+ output_file_name_check (&spec_xml_file);
}
if (report_flag)
{
- spec_verbose_file = concat2 (all_but_tab_ext, OUTPUT_EXT);
- output_file_name_check (spec_verbose_file);
+ if (!spec_verbose_file)
+ spec_verbose_file = concat2 (all_but_tab_ext, OUTPUT_EXT);
+ output_file_name_check (&spec_verbose_file);
}
free (all_but_tab_ext);
@@ -345,16 +344,37 @@ compute_output_file_names (void)
}
void
-output_file_name_check (char const *file_name)
+output_file_name_check (char **file_name)
{
- {
- int i;
- for (i = 0; i < file_names_count; i++)
- if (0 == strcmp (file_names[i], file_name))
- warn (_("conflicting outputs to file %s"), quote (file_name));
- }
- file_names = xnrealloc (file_names, ++file_names_count, sizeof *file_names);
- file_names[file_names_count-1] = xstrdup (file_name);
+ bool conflict = false;
+ if (0 == strcmp (*file_name, grammar_file))
+ {
+ complain (_("refusing to overwrite the input file %s"),
+ quote (*file_name));
+ conflict = true;
+ }
+ else
+ {
+ int i;
+ for (i = 0; i < file_names_count; i++)
+ if (0 == strcmp (file_names[i], *file_name))
+ {
+ warn (_("conflicting outputs to file %s"),
+ quote (*file_name));
+ conflict = true;
+ }
+ }
+ if (conflict)
+ {
+ free (*file_name);
+ *file_name = strdup ("/dev/null");
+ }
+ else
+ {
+ file_names = xnrealloc (file_names, ++file_names_count,
+ sizeof *file_names);
+ file_names[file_names_count-1] = xstrdup (*file_name);
+ }
}
void
@@ -363,6 +383,7 @@ output_file_names_free (void)
free (all_but_ext);
free (spec_verbose_file);
free (spec_graph_file);
+ free (spec_xml_file);
free (spec_defines_file);
free (parser_file_name);
free (dir_prefix);