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Treat %error-verbose as %define error_verbose.

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This allows to pass -Derror_verbose on the command line.  Better yet, it
allows to pass -Derror_verbose=$(ERROR_VERBOSE), with ERROR_VERBOSE being
defined as false or true.

	* data/bison.m4 (b4_percent_define_if_define): Instead of relying
	on b4_percent_define_ifdef, for does not check the defined value,
	but only whether the symbol is defined, rely on
	b4_percent_define_flag_if, so that a value of "false" is processed
	as a false.
	If not defined, define the flag to "false".
	(b4_error_verbose_if): New.
	* data/glr.c, data/lalr1.cc, data/yacc.c: Use it instead of
	b4_error_verbose_flag.
	* src/getargs.h, src/getargs.c (error_verbose_flag): Remove.
	* src/output.c (prepare): Don't output it.
	* src/parse-gram.y (%error-verbose): Treat as %define error_verbose.
This commit is contained in:
Akim Demaille
2009-04-03 00:18:47 +02:00
parent 92822affc5
commit b3a2272a73
8 changed files with 40 additions and 37 deletions
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6
data/yacc.c
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@@ -2,10 +2,10 @@
# Yacc compatible skeleton for Bison
# Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
# 2007, 2008 Free Software Foundation, Inc.
# 2007, 2008, 2009 Free Software Foundation, Inc.
m4_pushdef([b4_copyright_years],
[1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008])
[1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009])
# 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
@@ -200,7 +200,7 @@ m4_if(b4_prefix, [yy], [],
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE ]b4_error_verbose_flag[
# define YYERROR_VERBOSE ]b4_error_verbose_if([1], [0])[
#endif
/* Enabling the token table. */