X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/02d7cce6e21c97f4245f333eaab7e76b38fe373a..4654b0c0a8a355e7a8fcdf51b1a5eb6c485126f1:/src/files.c?ds=sidebyside diff --git a/src/files.c b/src/files.c index f3bb0f9c..07f761b4 100644 --- a/src/files.c +++ b/src/files.c @@ -1,42 +1,37 @@ /* Open and close files for Bison. - Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005 - Free Software Foundation, Inc. + Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, + 2005, 2006, 2007, 2008 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" #include +#include #include #include +#include #include #include "complain.h" -#include "dirname.h" #include "files.h" #include "getargs.h" #include "gram.h" -#include "stdio-safer.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 @@ -48,10 +43,15 @@ struct obstack post_prologue_obstack; char const *spec_outfile = NULL; /* for -o. */ char const *spec_file_prefix = NULL; /* for -b. */ char const *spec_name_prefix = NULL; /* for -p. */ -char const *spec_verbose_file = NULL; /* for --verbose. */ -char const *spec_graph_file = NULL; /* for -g. */ -char const *spec_defines_file = NULL; /* for --defines. */ -char const *parser_file_name; +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; @@ -72,14 +72,14 @@ uniqstr current_file = NULL; empty string (meaning the current directory); otherwise it is `dir/'. */ -static char const *all_but_ext; -static char const *all_but_tab_ext; -char const *dir_prefix; +char *all_but_ext; +static char *all_but_tab_ext; +char *dir_prefix; /* C source file extension (the parser source). */ -static char const *src_extension = NULL; +static char *src_extension = NULL; /* Header file extension (if option ``-d'' is specified). */ -static char const *header_extension = NULL; +static char *header_extension = NULL; /*-----------------------------------------------------------------. | Return a newly allocated string composed of the concatenation of | @@ -136,31 +136,33 @@ xfclose (FILE *ptr) | Compute ALL_BUT_EXT, ALL_BUT_TAB_EXT and output files extensions. | `------------------------------------------------------------------*/ -/* Replace all characters FROM by TO in the string IN. - and returns a new allocated string. */ -static char * -tr (const char *in, char from, char to) +/* In the string S, replace all characters FROM by TO. */ +static void +tr (char *s, char from, char to) { - char *temp; - char *out = xmalloc (strlen (in) + 1); - - for (temp = out; *in; in++, out++) - if (*in == from) - *out = to; - else - *out = *in; - *out = 0; - return (temp); + 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 = tr (ext, 'y', 'c'); - src_extension = tr (src_extension, 'Y', 'C'); - header_extension = tr (ext, 'y', 'h'); - header_extension = 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. */ @@ -171,8 +173,9 @@ compute_exts_from_src (const char *ext) so the extenions must be computed unconditionally from the file name given by this option. */ src_extension = xstrdup (ext); - header_extension = tr (ext, 'c', 'h'); - header_extension = tr (header_extension, 'C', 'H'); + header_extension = xstrdup (ext); + tr (header_extension, 'c', 'h'); + tr (header_extension, 'C', 'H'); } @@ -208,7 +211,7 @@ static void file_name_split (const char *file_name, const char **base, const char **tab, const char **ext) { - *base = base_name (file_name); + *base = last_component (file_name); /* Look for the extension, i.e., look for the last dot. */ *ext = strrchr (*base, '.'); @@ -264,25 +267,30 @@ 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) { /* If --yacc, then the output is `y.tab.c'. */ - dir_prefix = ""; - all_but_tab_ext = "y"; + dir_prefix = xstrdup (""); + all_but_tab_ext = xstrdup ("y"); } else { /* Otherwise, ALL_BUT_TAB_EXT is computed from the input grammar: `foo/bar.yy' => `bar'. */ - dir_prefix = ""; + dir_prefix = xstrdup (""); all_but_tab_ext = 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) @@ -297,44 +305,80 @@ 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. */ if (!src_extension) - src_extension = ".c"; + src_extension = xstrdup (".c"); if (!header_extension) - header_extension = ".h"; + header_extension = xstrdup (".h"); - name[names++] = parser_file_name = - spec_outfile ? spec_outfile : concat2 (all_but_ext, src_extension); + parser_file_name = + (spec_outfile + ? xstrdup (spec_outfile) + : concat2 (all_but_ext, src_extension)); if (defines_flag) { 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, ".vcg"); - name[names++] = spec_graph_file; + spec_graph_file = concat2 (all_but_tab_ext, ".dot"); + 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); - name[names++] = spec_verbose_file; + if (!spec_verbose_file) + spec_verbose_file = concat2 (all_but_tab_ext, OUTPUT_EXT); + output_file_name_check (spec_verbose_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])); + free (all_but_tab_ext); + free (src_extension); + free (header_extension); +} + +void +output_file_name_check (char const *file_name) +{ + if (0 == strcmp (file_name, grammar_file)) + fatal (_("refusing to overwrite the input file %s"), quote (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); +} + +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); }