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Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in

Browse Source 
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001929.html>.

(YYLTYPE, struct yyltype): Do not define unless
locations are requested.
(union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
locations are requested.
This commit is contained in:
Paul Eggert
2002-12-13 09:33:23 +00:00
parent d0f3fe233d
commit 1915f1331e
1 changed files with 3 additions and 2 deletions
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5
data/yacc.c
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@@ -197,7 +197,7 @@ b4_syncline([@oline@], [@ofile@])],
# define YYSTYPE_IS_TRIVIAL 1 # define YYSTYPE_IS_TRIVIAL 1
#endif #endif
#ifndef YYLTYPE ]b4_location_if([#ifndef YYLTYPE
typedef struct yyltype typedef struct yyltype
{ {
int first_line; int first_line;
@@ -208,6 +208,7 @@ typedef struct yyltype
# define YYLTYPE ]b4_location_type[ # define YYLTYPE ]b4_location_type[
# define YYLTYPE_IS_TRIVIAL 1 # define YYLTYPE_IS_TRIVIAL 1
#endif #endif
])[
/* Copy the second part of user declarations. */ /* Copy the second part of user declarations. */
]b4_post_prologue ]b4_post_prologue
@@ -249,7 +250,7 @@ b4_syncline([@oline@], [@ofile@])[
#if (! defined (yyoverflow) \ #if (! defined (yyoverflow) \
&& (! defined (__cplusplus) \ && (! defined (__cplusplus) \
|| (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) || (]b4_location_if([YYLTYPE_IS_TRIVIAL && ])[YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */ /* A type that is properly aligned for any stack member. */
union yyalloc union yyalloc