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0e021770cc
Rewrite to simplify the logic. (language_argmatch): Likewise. * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim Java is supported. * src/complain.c (program_name): Remove decl; no longer needed. * src/main.c (program_name): Remove; now belongs to getargs. 2006-12-18 Paolo Bonzini <bonzini@gnu.org> * NEWS: Document %language. * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4. * data/c-skel.m4, data/c++-skel.m4: New files. * data/glr.c: Complain on push parsers. * doc/bison.texinfo (C++ Parser Interface): Prefer %language over %skeleton. (Directives): Document %language and %skeleton. (Command line): Document -L. * examples/extexi: Rewrite %require directive. * examples/calc++/Makefile.am: Pass VERSION to extexi. * src/files.c (compute_exts_from_gc): Look in language structure for .y extension. (compute_file_name_parts): Check whether .tab should be added. * src/getargs.c (valid_languages, skeleton_prio, language_prio): (language, skeleton_arg, language_argmatch): New. (long_options): Add --language. (getargs): Use skeleton_arg, add -L/--language. * src/getargs.h: Include location.h. (struct bison_language, language, skeleton_arg, language_argmatch): New. * src/output.c (prepare): Pick default skeleton from struct language. Don't dispatch C skeletons here. * src/parse-gram.y (PERCENT_LANGUAGE): New. (prologue_declaration): Add "%language" rule, use skeleton_arg. * src/scan-gram.l ("%language"): New rule. * tests/calc.at: Test %skeleton and %language. * tests/local.at (AT_SKEL_CC_IF): Look for %language. (AT_GLR_IF): Look for %skeleton "glr.cc". (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite. (AT_YACC_IF): Reject %language. 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
m4_divert(-1) -*- Autoconf -*-
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# C++ skeleton dispatching for Bison.
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# Copyright (C) 2006 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (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. See the
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# 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 the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301 USA
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b4_glr_if( [m4_define([b4_used_skeleton], [b4_pkgdatadir/[glr.cc]])])
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b4_nondeterministic_if([m4_define([b4_used_skeleton], [b4_pkgdatadir/[glr.cc]])])
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b4_push_if([m4_fatal([%push-parser is not supported by C++])])
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m4_define_default([b4_used_skeleton], [b4_pkgdatadir/[lalr1.cc]])
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m4_define_default([b4_skeleton], ["b4_basename(b4_used_skeleton)"])
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m4_include(b4_used_skeleton)
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