maint: fix an erroneous include

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index dd02aece4c5df7ac8bafc109d20e8cdf8c0153b6..97efe894bc9fc9f976d9e90f8823aefa43d34bec 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -18,7 +18,10 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-m4_include(b4_pkgdatadir/[c.m4])
+# If we are loaded by glr.cc, do not override c++.m4 definitions by
+# those of c.m4.
+m4_if(b4_skeleton, ["glr.c"],
+      [m4_include(b4_pkgdatadir/[c.m4])])
 
 ## ---------------- ##
 ## Default values.  ##
@@ -467,34 +470,13 @@ static const ]b4_int_type_for([b4_stos])[ yystos[] =
   ]b4_stos[
 };
 
-\f
 /* Error token number */
 #define YYTERROR 1
 
-/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
-   If N is 0, then set CURRENT to the empty location which ends
-   the previous symbol: RHS[0] (always defined).  */
-
 ]b4_locations_if([[
-#define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)
 #ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N)                                \
-    do                                                                  \
-      if (YYID (N))                                                     \
-        {                                                               \
-          (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
-          (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
-          (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
-          (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
-        }                                                               \
-      else                                                              \
-        {                                                               \
-          (Current).first_line   = (Current).last_line   =              \
-            YYRHSLOC (Rhs, 0).last_line;                                \
-          (Current).first_column = (Current).last_column =              \
-            YYRHSLOC (Rhs, 0).last_column;                              \
-        }                                                               \
-    while (YYID (0))
+]b4_yylloc_default_define[
+# define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)
 
 /* YY_LOCATION_PRINT -- Print the location on the stream.
    This macro was not mandated originally: define only if we know
@@ -515,7 +497,6 @@ static const ]b4_int_type_for([b4_stos])[ yystos[] =
 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 #endif
 
-
 /* YYLEX -- calling `yylex' with the right arguments.  */
 #define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[
 
@@ -2321,12 +2302,10 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 #endif
 ])
 m4_ifdef([b4_initial_action], [
-m4_pushdef([b4_at_dollar],     [yylloc])dnl
-m4_pushdef([b4_dollar_dollar], [yylval])dnl
-  /* User initialization code.  */
-  b4_user_initial_action
-m4_popdef([b4_dollar_dollar])dnl
-m4_popdef([b4_at_dollar])])dnl
+b4_dollar_pushdef([yylval], [], [yylloc])dnl
+/* User initialization code.  */
+b4_user_initial_action
+b4_dollar_popdef])[]dnl
 [
   if (! yyinitGLRStack (yystackp, YYINITDEPTH))
     goto yyexhaustedlab;
@@ -2620,9 +2599,7 @@ yypdumpstack (yyGLRStack* yystackp)
   YYFPRINTF (stderr, "\n");
 }
 #endif
-]
-
-b4_epilogue
+]b4_epilogue[]dnl
 dnl
 dnl glr.cc produces its own header.
 dnl
@@ -2635,5 +2612,5 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C],
 ]b4_cpp_guard_open([b4_spec_defines_file])[
 ]b4_shared_declarations[
 ]b4_cpp_guard_close([b4_spec_defines_file])[
-]])])
+]])])dnl
 m4_divert_pop(0)