X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/56f8d560888c22e2788244066478a3e92334f633..6d58c632025cb6928a90e4176577982bfb9c3981:/data/glr.c

diff --git a/data/glr.c b/data/glr.c
index 8b3c34c9..9038c747 100644
--- a/data/glr.c
+++ b/data/glr.c
@@ -172,8 +172,9 @@ m4_define([b4_rhs_location],
 # b4_shared_declarations
 # ----------------------
 # Declaration that might either go into the header (if --defines)
-# or open coded in the parser body.
-m4_define([b4_shared_declarations],
+# or open coded in the parser body.  glr.cc has its own definition.
+m4_if(b4_skeleton, ["glr.c"],
+[m4_define([b4_shared_declarations],
 [b4_declare_yydebug[
 ]b4_percent_code_get([[requires]])[
 ]b4_token_enums[
@@ -181,7 +182,7 @@ m4_define([b4_shared_declarations],
 ]b4_function_declare(b4_prefix[parse], [int], b4_parse_param)[
 ]b4_percent_code_get([[provides]])[]dnl
 ])
-
+])
 
 ## -------------- ##
 ## Output files.  ##
@@ -231,11 +232,11 @@ b4_percent_code_get([[top]])[
 #endif
 
 /* Default (constant) value used for initialization for null
-   right-hand sides.  Unlike the standard yacc.c template,
-   here we set the default value of $$ to a zeroed-out value.
-   Since the default value is undefined, this behavior is
-   technically correct.  */
-static YYSTYPE yyval_default;
+   right-hand sides.  Unlike the standard yacc.c template, here we set
+   the default value of $$ to a zeroed-out value.  Since the default
+   value is undefined, this behavior is technically correct.  */
+static YYSTYPE yyval_default;]b4_locations_if([[
+static YYLTYPE yyloc_default][]b4_yyloc_default;])[
 
 /* Copy the second part of user declarations.  */
 ]b4_user_post_prologue
@@ -249,19 +250,19 @@ b4_percent_code_get[]dnl
 # if defined YYENABLE_NLS && YYENABLE_NLS
 #  if ENABLE_NLS
 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
-#   define YY_(msgid) dgettext ("bison-runtime", msgid)
+#   define YY_(Msgid) dgettext ("bison-runtime", Msgid)
 #  endif
 # endif
 # ifndef YY_
-#  define YY_(msgid) msgid
+#  define YY_(Msgid) Msgid
 # endif
 #endif
 
 /* Suppress unused-variable warnings by "using" E.  */
 #ifdef __GNUC__
-# define YYUSE(e) ((void) (e))
+# define YYUSE(E) ((void) (E))
 #else
-# define YYUSE(e) /* empty */
+# define YYUSE(E) /* empty */
 #endif
 
 #ifndef YYFREE
@@ -287,8 +288,9 @@ b4_percent_code_get[]dnl
 #ifndef YYSETJMP
 # include <setjmp.h>
 # define YYJMP_BUF jmp_buf
-# define YYSETJMP(env) setjmp (env)
-# define YYLONGJMP(env, val) longjmp (env, val)
+# define YYSETJMP(Env) setjmp (Env)
+// Pacify clang.
+# define YYLONGJMP(Env, Val) (longjmp (Env, Val), YYASSERT (0))
 #endif
 
 /*-----------------.
@@ -311,7 +313,7 @@ b4_percent_code_get[]dnl
 #endif])[
 
 #ifndef YYASSERT
-# define YYASSERT(condition) ((void) ((condition) || (abort (), 0)))
+# define YYASSERT(Condition) ((void) ((Condition) || (abort (), 0)))
 #endif
 
 /* YYFINAL -- State number of the termination state.  */
@@ -405,33 +407,15 @@ dnl We probably ought to introduce a type for confl.
 {
   ]b4_conflicting_rules[
 };
-
+
 /* Error token number */
 #define YYTERROR 1
 
 ]b4_locations_if([[
-#ifndef YYLLOC_DEFAULT
 ]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
-   we won't break user code: when these are the locations we know.  */
-
-# define YY_LOCATION_PRINT(File, Loc)                   \
-    fprintf (File, "%d.%d-%d.%d",                       \
-             (Loc).first_line, (Loc).first_column,      \
-             (Loc).last_line,  (Loc).last_column)
-#endif
-]],[
-#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) ((void) 0)
-#endif
-])[
-
-#ifndef YY_LOCATION_PRINT
-# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
-#endif
+]])[
+]b4_yy_location_print_define[
 
 /* YYLEX -- calling `yylex' with the right arguments.  */
 #define YYLEX ]b4_function_call([yylex], [int], b4_lex_param)[
@@ -855,7 +839,7 @@ yyuserMerge (int yyn, YYSTYPE* yy0, YYSTYPE* yy1)
 
   switch (yyn)
     {
-      ]b4_mergers[
+]b4_mergers[
       default: break;
     }
 }
@@ -912,8 +896,8 @@ yylhsNonterm (yyRuleNum yyrule)
   return yyr1[yyrule];
 }
 
-#define yypact_value_is_default(yystate) \
-  ]b4_table_value_equals([[pact]], [[yystate]], [b4_pact_ninf])[
+#define yypact_value_is_default(Yystate) \
+  ]b4_table_value_equals([[pact]], [[Yystate]], [b4_pact_ninf])[
 
 /** True iff LR state YYSTATE has only a default reduction (regardless
  *  of token).  */
@@ -930,8 +914,8 @@ yydefaultAction (yyStateNum yystate)
   return yydefact[yystate];
 }
 
-#define yytable_value_is_error(yytable_value) \
-  ]b4_table_value_equals([[table]], [[yytable_value]], [b4_table_ninf])[
+#define yytable_value_is_error(Yytable_value) \
+  ]b4_table_value_equals([[table]], [[Yytable_value]], [b4_table_ninf])[
 
 /** Set *YYACTION to the action to take in YYSTATE on seeing YYTOKEN.
  *  Result R means
@@ -2276,14 +2260,9 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yychar = YYEMPTY;
-  yylval = yyval_default;
-]b4_locations_if([
-#if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL
-  yylloc.first_line   = yylloc.last_line   = ]b4_location_initial_line[;
-  yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[;
-#endif
-])
-m4_ifdef([b4_initial_action], [
+  yylval = yyval_default;]b4_locations_if([
+  yylloc = yyloc_default;])[
+]m4_ifdef([b4_initial_action], [
 b4_dollar_pushdef([yylval], [], [yylloc])dnl
   /* User initialization code.  */
   b4_user_initial_action
@@ -2593,5 +2572,5 @@ 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)