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variables: accept dashes.

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* src/scan-gram.l ({id}): Also accept dashes after the initial
	letter.
	({directive}): Use {id}.
	* src/parse-gram.y: Comment and formatting changes.
	* doc/bison.texinfo (Symbols): Adjust the lexical definitions of
	symbols.
	* src/complain.h, src/complain.c (yacc_at): New.
	* src/symtab.c (symbol_new): Use yacc_at to report inappropriate
	symbol names.
	* src/output.c (token_definitions_output): Do not #define token
	names with dashes.
(cherry picked from commit 4f646c3794)

Conflicts:

	data/bison.m4
	src/parse-gram.y
This commit is contained in:
Akim Demaille
2009-04-20 12:24:23 +02:00
committed by Joel E. Denny
parent 379261b3fd
commit 663ce7bb3e
10 changed files with 86 additions and 34 deletions
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9
src/complain.h
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@@ -1,5 +1,5 @@
/* Declaration for error-reporting function for Bison.
Copyright (C) 2000, 2001, 2002, 2006 Free Software Foundation, Inc.
Copyright (C) 2000, 2001, 2002, 2006, 2009 Free Software Foundation, Inc.
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
@@ -39,6 +39,13 @@ void complain (char const *format, ...)
void complain_at (location loc, char const *format, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
/** An incompatibility with POSIX Yacc: mapped either to warn* or
complain* depending on yacc_flag. */
void yacc_at (location loc, char const *format, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
/** A fatal error, causing immediate exit. */
void fatal (char const *format, ...)