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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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23
src/complain.c
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@@ -1,6 +1,6 @@
/* Declaration for error-reporting function for Bison.
Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006
Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006, 2009
Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
@@ -120,6 +120,27 @@ complain (const char *message, ...)
}
/*--------------------------------------------------------------.
| An incompatibility with POSIX Yacc: mapped either to warn* or |
| complain* depending on yacc_flag. |
`--------------------------------------------------------------*/
void
yacc_at (location loc, const char *message, ...)
{
if (yacc_flag)
{
ERROR_MESSAGE (&loc, NULL, message);
complaint_issued = true;
}
else if (warnings_flag & warnings_yacc)
{
set_warning_issued ();
ERROR_MESSAGE (&loc, _("warning"), message);
}
}
/*-------------------------------------------------.
| A severe error has occurred, we cannot proceed. |
`-------------------------------------------------*/