X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4502eadc2fbdd6efe2e4702cb3993cac83a59615..c826013fb38c98861ef0fc5d4dc3fb3fb4f555be:/src/files.c
diff --git a/src/files.c b/src/files.c
index 934e1143..71d3b042 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, 2000-2010 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"
@@ -35,9 +33,6 @@
#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
@@ -50,9 +45,14 @@ 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;
+/* All computed output file names. */
+static char **file_names = NULL;
+static int file_names_count = 0;
+
uniqstr grammar_file = NULL;
uniqstr current_file = NULL;
@@ -72,7 +72,7 @@ uniqstr current_file = NULL;
empty string (meaning the current directory); otherwise it is
`dir/'. */
-static char *all_but_ext;
+char *all_but_ext;
static char *all_but_tab_ext;
char *dir_prefix;
@@ -136,25 +136,24 @@ 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)
{
- src_extension = xstrdup (ext);
- header_extension = xstrdup (ext);
- tr (src_extension, 'y', 'c');
- tr (src_extension, 'Y', 'C');
- tr (header_extension, 'y', 'h');
- tr (header_extension, 'Y', 'H');
+ if (strcmp (ext, ".y") == 0)
+ {
+ src_extension = xstrdup (language->src_extension);
+ header_extension = xstrdup (language->header_extension);
+ }
+ else
+ {
+ src_extension = xstrdup (ext);
+ header_extension = xstrdup (ext);
+ tr (src_extension, 'y', 'c');
+ tr (src_extension, 'Y', 'C');
+ tr (header_extension, 'y', 'h');
+ tr (header_extension, 'Y', 'H');
+ }
}
/* Compute extensions from the given c source file extension. */
@@ -259,7 +258,9 @@ 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)
@@ -277,7 +278,10 @@ compute_file_name_parts (void)
xstrndup (base, (strlen (base) - (ext ? strlen (ext) : 0)));
}
- all_but_ext = concat2 (all_but_tab_ext, TAB_EXT);
+ if (language->add_tab)
+ all_but_ext = concat2 (all_but_tab_ext, TAB_EXT);
+ else
+ all_but_ext = xstrdup (all_but_tab_ext);
/* Compute the extensions from the grammar file name. */
if (ext && !yacc_flag)
@@ -292,11 +296,6 @@ compute_file_name_parts (void)
void
compute_output_file_names (void)
{
- char const *name[4];
- int i;
- int j;
- int names = 0;
-
compute_file_name_parts ();
/* If not yet done. */
@@ -305,7 +304,7 @@ compute_output_file_names (void)
if (!header_extension)
header_extension = xstrdup (".h");
- name[names++] = parser_file_name =
+ parser_file_name =
(spec_outfile
? xstrdup (spec_outfile)
: concat2 (all_but_ext, src_extension));
@@ -314,39 +313,82 @@ compute_output_file_names (void)
{
if (! spec_defines_file)
spec_defines_file = concat2 (all_but_ext, header_extension);
- name[names++] = spec_defines_file;
}
if (graph_flag)
{
if (! spec_graph_file)
spec_graph_file = concat2 (all_but_tab_ext, ".dot");
- name[names++] = spec_graph_file;
+ output_file_name_check (&spec_graph_file);
}
- if (report_flag)
+ if (xml_flag)
{
- spec_verbose_file = concat2 (all_but_tab_ext, OUTPUT_EXT);
- name[names++] = spec_verbose_file;
+ if (! spec_xml_file)
+ spec_xml_file = concat2 (all_but_tab_ext, ".xml");
+ output_file_name_check (&spec_xml_file);
}
- for (j = 0; j < names; j++)
- for (i = 0; i < j; i++)
- if (strcmp (name[i], name[j]) == 0)
- warn (_("conflicting outputs to file %s"), quote (name[i]));
+ if (report_flag)
+ {
+ if (!spec_verbose_file)
+ spec_verbose_file = concat2 (all_but_tab_ext, OUTPUT_EXT);
+ output_file_name_check (&spec_verbose_file);
+ }
- free (all_but_ext);
free (all_but_tab_ext);
free (src_extension);
free (header_extension);
}
+void
+output_file_name_check (char **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
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);
+ {
+ int i;
+ for (i = 0; i < file_names_count; i++)
+ free (file_names[i]);
+ }
+ free (file_names);
}