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Document how `%define "var" "value"' is not M4-friendly.

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* src/parse-gram.y (variable): In comments here.
This commit is contained in:
Joel E. Denny
2009-04-29 20:05:32 -04:00
parent 6789b8bd7b
commit ae618dcca5
3 changed files with 20 additions and 13 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
Document how `%define "var" "value"' is not M4-friendly.
* src/parse-gram.y (variable): In comments here.
2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
Add copyright updates missed during previous cherry pick.

26
src/parse-gram.c
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@@ -78,8 +78,8 @@
#line 1 "parse-gram.y"
/* Bison Grammar Parser -*- C -*-
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software
Foundation, Inc.
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free
Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
@@ -672,8 +672,8 @@ static const yytype_uint16 yyrline[] =
434, 435, 440, 442, 447, 448, 452, 453, 454, 455,
460, 465, 470, 476, 482, 493, 494, 503, 504, 510,
511, 512, 519, 519, 523, 524, 525, 530, 531, 533,
535, 537, 539, 549, 550, 555, 556, 565, 585, 587,
596, 601, 602, 607, 614, 616
535, 537, 539, 551, 552, 557, 558, 567, 587, 589,
598, 603, 604, 609, 616, 618
};
#endif
@@ -2544,21 +2544,21 @@ yyreduce:
case 94:
/* Line 1456 of yacc.c */
#line 550 "parse-gram.y"
#line 552 "parse-gram.y"
{ (yyval.uniqstr) = uniqstr_new ((yyvsp[(1) - (1)].chars)); }
break;
case 95:
/* Line 1456 of yacc.c */
#line 555 "parse-gram.y"
#line 557 "parse-gram.y"
{ (yyval.chars) = ""; }
break;
case 97:
/* Line 1456 of yacc.c */
#line 566 "parse-gram.y"
#line 568 "parse-gram.y"
{
code_props plain_code;
(yyvsp[(1) - (1)].code)[strlen ((yyvsp[(1) - (1)].code)) - 1] = '\n';
@@ -2572,14 +2572,14 @@ yyreduce:
case 98:
/* Line 1456 of yacc.c */
#line 586 "parse-gram.y"
#line 588 "parse-gram.y"
{ (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
break;
case 99:
/* Line 1456 of yacc.c */
#line 588 "parse-gram.y"
#line 590 "parse-gram.y"
{
(yyval.symbol) = symbol_get (char_name ((yyvsp[(1) - (1)].character)), (yylsp[(1) - (1)]));
symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
@@ -2590,14 +2590,14 @@ yyreduce:
case 100:
/* Line 1456 of yacc.c */
#line 596 "parse-gram.y"
#line 598 "parse-gram.y"
{ (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
break;
case 103:
/* Line 1456 of yacc.c */
#line 608 "parse-gram.y"
#line 610 "parse-gram.y"
{
(yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[(1) - (1)].chars)), (yylsp[(1) - (1)]));
symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
@@ -2607,7 +2607,7 @@ yyreduce:
case 105:
/* Line 1456 of yacc.c */
#line 617 "parse-gram.y"
#line 619 "parse-gram.y"
{
code_props plain_code;
code_props_plain_init (&plain_code, (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)]));
@@ -2840,7 +2840,7 @@ yyreturn:
/* Line 1676 of yacc.c */
#line 627 "parse-gram.y"
#line 629 "parse-gram.y"

2
src/parse-gram.y
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@@ -545,6 +545,8 @@ rhs:
| variable and content.opt. |
*---------------------------*/
/* The STRING form of variable is deprecated and is not M4-friendly.
For example, M4 fails for `%define "[" "value"'. */
variable:
ID
| STRING { $$ = uniqstr_new ($1); }