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Simplify y.tab.c when location tracking is disabled.

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* data/yacc.c: Do not check YYLTYPE_IS_TRIVIAL if location
tracking is not enabled.  Instead, unconditionally define
YY_LOCATION_PRINT as a no-op for backward compatibility.
(cherry picked from commit fcd32abd3a)
This commit is contained in:
Jonathan Nieder
2009-12-15 22:07:46 -06:00
committed by Joel E. Denny
parent 06caf0e144
commit 874ac415b9
2 changed files with 14 additions and 1 deletions
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7
ChangeLog
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@@ -1,3 +1,10 @@
2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
Simplify y.tab.c when location tracking is disabled.
* data/yacc.c: Do not check YYLTYPE_IS_TRIVIAL if location
tracking is not enabled. Instead, unconditionally define
YY_LOCATION_PRINT as a no-op for backward compatibility.
2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change) 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
Avoid warnings from gcc -Wundef y.tab.c. Avoid warnings from gcc -Wundef y.tab.c.

8
data/yacc.c
View File

@@ -730,7 +730,7 @@ while (YYID (0))
while (YYID (0)) while (YYID (0))
#endif #endif
]b4_locations_if([[
/* YY_LOCATION_PRINT -- Print the location on the stream. /* YY_LOCATION_PRINT -- Print the location on the stream.
This macro was not mandated originally: define only if we know This macro was not mandated originally: define only if we know
we won't break user code: when these are the locations we know. */ we won't break user code: when these are the locations we know. */
@@ -745,7 +745,13 @@ while (YYID (0))
# define YY_LOCATION_PRINT(File, Loc) ((void) 0) # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
# endif # endif
#endif #endif
]], [[
/* This macro is provided for backward compatibility. */
#ifndef YY_LOCATION_PRINT
# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
#endif
]])[
/* YYLEX -- calling `yylex' with the right arguments. */ /* YYLEX -- calling `yylex' with the right arguments. */