Merge remote-tracking branch 'origin/maint'

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index 509ee123f5997afca57ae67bf0df578cb5de605a..e2363a2083bf184202dfc53ad1737eced8d11e23 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/>.
 
 
 # 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.  ##
 
 ## ---------------- ##
 ## Default values.  ##


@@ -49,7 +52,7 @@ m4_ifndef([b4_pure_flag],
 # This is not shared with yacc.c in c.m4 because  GLR relies on ISO C
 # formal argument declarations.
 m4_define([b4_user_formals],
 # This is not shared with yacc.c in c.m4 because  GLR relies on ISO C
 # formal argument declarations.
 m4_define([b4_user_formals],

-[m4_ifset([b4_parse_param], [, b4_c_ansi_formals(b4_parse_param)])])
+[m4_ifset([b4_parse_param], [, b4_formals(b4_parse_param)])])

 
 
 # b4_lex_param
 
 
 # b4_lex_param


@@ -68,7 +71,7 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param)))
 # a trailing comma.
 m4_define([b4_yyerror_args],
 [b4_pure_if([b4_locations_if([yylocp, ])])dnl
 # a trailing comma.
 m4_define([b4_yyerror_args],
 [b4_pure_if([b4_locations_if([yylocp, ])])dnl

-m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
+m4_ifset([b4_parse_param], [b4_args(b4_parse_param), ])])

 
 
 # b4_lyyerror_args
 
 
 # b4_lyyerror_args


@@ -76,7 +79,7 @@ m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
 # Same as above, but on the lookahead, hence &yylloc instead of yylocp.
 m4_define([b4_lyyerror_args],
 [b4_pure_if([b4_locations_if([&yylloc, ])])dnl
 # Same as above, but on the lookahead, hence &yylloc instead of yylocp.
 m4_define([b4_lyyerror_args],
 [b4_pure_if([b4_locations_if([&yylloc, ])])dnl

-m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
+m4_ifset([b4_parse_param], [b4_args(b4_parse_param), ])])

 
 
 # b4_pure_args
 
 
 # b4_pure_args


@@ -162,6 +165,24 @@ m4_define([b4_rhs_location],
 [(b4_rhs_data([$1], [$2]).yyloc)])
 
 
 [(b4_rhs_data([$1], [$2]).yyloc)])
 
 

+## -------------- ##
+## Declarations.  ##
+## -------------- ##
+
+# b4_shared_declarations
+# ----------------------
+# Declaration that might either go into the header (if --defines)
+# 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[
+]b4_declare_yylstype[
+]b4_function_declare(b4_prefix[parse], [int], b4_parse_param)[
+]b4_percent_code_get([[provides]])[]dnl
+])
+])

 
 ## -------------- ##
 ## Output files.  ##
 
 ## -------------- ##
 ## Output files.  ##


@@ -178,66 +199,29 @@ b4_copyright([Skeleton implementation for Bison GLR parsers in C],
 
 ]b4_identification
 
 
 ]b4_identification
 

-b4_percent_code_get([[top]])[]dnl
-m4_if(b4_prefix, [yy], [],
-[/* Substitute the variable and function names.  */
-#define yyparse b4_prefix[]parse
-#define yylex   b4_prefix[]lex
-#define yyerror b4_prefix[]error
-#define yylval  b4_prefix[]lval
-#define yychar  b4_prefix[]char
-#define yydebug b4_prefix[]debug
-#define yynerrs b4_prefix[]nerrs
-#define yylloc  b4_prefix[]lloc])[
-
-/* Copy the first part of user declarations.  */
-]b4_user_pre_prologue
-
-b4_null_define
-
-dnl # b4_shared_declarations
-dnl # ----------------------
-dnl # Declaration that might either go into the header (if --defines)
-dnl # or open coded in the parser body.
-m4_define([b4_shared_declarations],
-[b4_percent_code_get([[requires]])[]dnl
-
-b4_token_enums(b4_tokens)
-
-[#ifndef YYSTYPE
-]m4_ifdef([b4_stype],
-[[typedef union ]b4_union_name[
-{
-]b4_user_stype[
-} YYSTYPE;
-# define YYSTYPE_IS_TRIVIAL 1]],
-[m4_if(b4_tag_seen_flag, 0,
-[[typedef int YYSTYPE;
-# define YYSTYPE_IS_TRIVIAL 1]])])[
-#endif
-]b4_locations_if([[
-#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
-typedef struct YYLTYPE
-{
-  int first_line;
-  int first_column;
-  int last_line;
-  int last_column;
-} YYLTYPE;
-# define YYLTYPE_IS_DECLARED 1
-# define YYLTYPE_IS_TRIVIAL 1
-#endif
-]])[
-]b4_percent_code_get([[provides]])[]dnl
-])
-
-b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
-              [b4_shared_declarations])[
-
-/* Enabling traces.  */
-#ifndef YYDEBUG
-# define YYDEBUG ]b4_parse_trace_if([1], [0])[
-#endif
+b4_percent_code_get([[top]])[
+]m4_if(b4_api_prefix, [yy], [],
+[[/* Substitute the type names.  */
+#define YYSTYPE ]b4_api_PREFIX[STYPE]b4_locations_if([[
+#define YYLTYPE ]b4_api_PREFIX[LTYPE]])])[
+]m4_if(b4_prefix, [yy], [],
+[[/* Substitute the variable and function names.  */
+#define yyparse ]b4_prefix[parse
+#define yylex   ]b4_prefix[lex
+#define yyerror ]b4_prefix[error
+#define yylval  ]b4_prefix[lval
+#define yychar  ]b4_prefix[char
+#define yydebug ]b4_prefix[debug
+#define yynerrs ]b4_prefix[nerrs]b4_locations_if([[
+#define yylloc  ]b4_prefix[lloc]])])[
+
+/* First part of user declarations.  */
+]b4_user_pre_prologue[
+
+]b4_null_define[
+
+]b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
+               [b4_shared_declarations])[

 
 /* Enabling verbose error messages.  */
 #ifdef YYERROR_VERBOSE
 
 /* Enabling verbose error messages.  */
 #ifdef YYERROR_VERBOSE


@@ -247,11 +231,6 @@ b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
 # define YYERROR_VERBOSE ]b4_error_verbose_if([1], [0])[
 #endif
 
 # define YYERROR_VERBOSE ]b4_error_verbose_if([1], [0])[
 #endif
 

-/* Enabling the token table.  */
-#ifndef YYTOKEN_TABLE
-# define YYTOKEN_TABLE ]b4_token_table[
-#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 $$ to a zeroed-out value.
 /* Default (constant) value used for initialization for null
    right-hand sides.  Unlike the standard yacc.c template,
    here we set the default value of $$ to a zeroed-out value.


@@ -271,29 +250,19 @@ b4_percent_code_get[]dnl
 # if defined YYENABLE_NLS && YYENABLE_NLS
 #  if ENABLE_NLS
 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
 # 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_
 #  endif
 # endif
 # ifndef YY_

-#  define YY_(msgid) msgid
+#  define YY_(Msgid) Msgid

 # endif
 #endif
 
 /* Suppress unused-variable warnings by "using" E.  */
 # endif
 #endif
 
 /* Suppress unused-variable warnings by "using" E.  */

-#if ! defined lint || defined __GNUC__
-# define YYUSE(e) ((void) (e))
+#ifdef __GNUC__
+# define YYUSE(E) ((void) (E))

 #else
 #else

-# define YYUSE(e) /* empty */
-#endif
-
-/* Identity function, used to suppress warnings about constant conditions.  */
-#ifndef lint
-# define YYID(n) (n)
-#else
-]b4_c_function_def([YYID], [static int], [[int i], [i]])[
-{
-  return i;
-}
+# define YYUSE(E) /* empty */

 #endif
 
 #ifndef YYFREE
 #endif
 
 #ifndef YYFREE


@@ -319,8 +288,9 @@ b4_percent_code_get[]dnl
 #ifndef YYSETJMP
 # include <setjmp.h>
 # define YYJMP_BUF jmp_buf
 #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
 
 /*-----------------.
 #endif
 
 /*-----------------.


@@ -343,7 +313,7 @@ b4_percent_code_get[]dnl
 #endif])[
 
 #ifndef YYASSERT
 #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.  */
 #endif
 
 /* YYFINAL -- State number of the termination state.  */


@@ -378,7 +348,7 @@ static const ]b4_int_type_for([b4_translate])[ yytranslate[] =
   ]b4_translate[
 };
 
   ]b4_translate[
 };
 

-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG

 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const ]b4_int_type_for([b4_rline])[ yyrline[] =
 {
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const ]b4_int_type_for([b4_rline])[ yyrline[] =
 {


@@ -386,7 +356,7 @@ static const ]b4_int_type_for([b4_rline])[ yyrline[] =
 };
 #endif
 
 };
 #endif
 

-#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+#if ]b4_api_PREFIX[DEBUG || YYERROR_VERBOSE || ]b4_token_table_flag[

 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
 static const char *const yytname[] =
 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
 static const char *const yytname[] =


@@ -437,37 +407,14 @@ dnl We probably ought to introduce a type for confl.
 {
   ]b4_conflicting_rules[
 };
 {
   ]b4_conflicting_rules[
 };

-\f
-/* Prevent warning if -Wmissing-prototypes.  */
-]b4_c_ansi_function_decl([yyparse], [int], b4_parse_param)[

 
 /* Error token number */
 #define YYTERROR 1
 
 
 /* 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([[
 ]b4_locations_if([[

-#define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)

 #ifndef YYLLOC_DEFAULT
 #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
 
 /* YY_LOCATION_PRINT -- Print the location on the stream.
    This macro was not mandated originally: define only if we know


@@ -488,9 +435,8 @@ dnl We probably ought to introduce a type for confl.
 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 #endif
 
 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 #endif
 

-

 /* YYLEX -- calling `yylex' with the right arguments.  */
 /* YYLEX -- calling `yylex' with the right arguments.  */

-#define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[
+#define YYLEX ]b4_function_call([yylex], [int], b4_lex_param)[

 
 ]b4_pure_if(
 [
 
 ]b4_pure_if(
 [


@@ -523,9 +469,9 @@ typedef enum { yyok, yyaccept, yyabort, yyerr } YYRESULTTAG;
     YYRESULTTAG yychk_flag = YYE;               \
     if (yychk_flag != yyok)                     \
       return yychk_flag;                        \
     YYRESULTTAG yychk_flag = YYE;               \
     if (yychk_flag != yyok)                     \
       return yychk_flag;                        \

-  } while (YYID (0))
+  } while (0)

 
 

-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG

 
 # ifndef YYFPRINTF
 #  define YYFPRINTF fprintf
 
 # ifndef YYFPRINTF
 #  define YYFPRINTF fprintf


@@ -535,30 +481,30 @@ typedef enum { yyok, yyaccept, yyabort, yyerr } YYRESULTTAG;
   do {                                          \
     if (yydebug)                                \
       YYFPRINTF Args;                           \
   do {                                          \
     if (yydebug)                                \
       YYFPRINTF Args;                           \

-  } while (YYID (0))
+  } while (0)

 
 

-]b4_yy_symbol_print_generate([b4_c_ansi_function_def])[
+]b4_yy_symbol_print_define[

 
 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)                  \
   do {                                                                  \
     if (yydebug)                                                        \
       {                                                                 \
         YYFPRINTF (stderr, "%s ", Title);                               \
 
 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)                  \
   do {                                                                  \
     if (yydebug)                                                        \
       {                                                                 \
         YYFPRINTF (stderr, "%s ", Title);                               \

-      yy_symbol_print (stderr, Type, Value]b4_locuser_args([Location])[);        \
+        yy_symbol_print (stderr, Type, Value]b4_locuser_args([Location])[);        \

         YYFPRINTF (stderr, "\n");                                       \
       }                                                                 \
         YYFPRINTF (stderr, "\n");                                       \
       }                                                                 \

-  } while (YYID (0))
+  } while (0)

 
 /* Nonzero means print parse trace.  It is left uninitialized so that
    multiple parsers can coexist.  */
 int yydebug;
 
 
 /* Nonzero means print parse trace.  It is left uninitialized so that
    multiple parsers can coexist.  */
 int yydebug;
 

-#else /* !YYDEBUG */
+#else /* !]b4_api_PREFIX[DEBUG */

 
 # define YYDPRINTF(Args)
 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
 
 
 # define YYDPRINTF(Args)
 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
 

-#endif /* !YYDEBUG */
+#endif /* !]b4_api_PREFIX[DEBUG */

 
 /* YYINITDEPTH -- initial size of the parser's stacks.  */
 #ifndef YYINITDEPTH
 
 /* YYINITDEPTH -- initial size of the parser's stacks.  */
 #ifndef YYINITDEPTH


@@ -592,13 +538,13 @@ int yydebug;
   do {                                                  \
     if (Yystack->yyspaceLeft < YYHEADROOM)              \
       yyexpandGLRStack (Yystack);                       \
   do {                                                  \
     if (Yystack->yyspaceLeft < YYHEADROOM)              \
       yyexpandGLRStack (Yystack);                       \

-  } while (YYID (0))
+  } while (0)

 #else
 # define YY_RESERVE_GLRSTACK(Yystack)                   \
   do {                                                  \
     if (Yystack->yyspaceLeft < YYHEADROOM)              \
       yyMemoryExhausted (Yystack);                      \
 #else
 # define YY_RESERVE_GLRSTACK(Yystack)                   \
   do {                                                  \
     if (Yystack->yyspaceLeft < YYHEADROOM)              \
       yyMemoryExhausted (Yystack);                      \

-  } while (YYID (0))
+  } while (0)

 #endif
 
 
 #endif
 
 


@@ -791,7 +737,7 @@ yyMemoryExhausted (yyGLRStack* yystackp)
   YYLONGJMP (yystackp->yyexception_buffer, 2);
 }
 
   YYLONGJMP (yystackp->yyexception_buffer, 2);
 }
 

-#if YYDEBUG || YYERROR_VERBOSE
+#if ]b4_api_PREFIX[DEBUG || YYERROR_VERBOSE

 /** A printable representation of TOKEN.  */
 static inline const char*
 yytokenName (yySymbol yytoken)
 /** A printable representation of TOKEN.  */
 static inline const char*
 yytokenName (yySymbol yytoken)


@@ -810,12 +756,11 @@ static void yyfillin (yyGLRStackItem *, int, int) __attribute__ ((__unused__));
 static void
 yyfillin (yyGLRStackItem *yyvsp, int yylow0, int yylow1)
 {
 static void
 yyfillin (yyGLRStackItem *yyvsp, int yylow0, int yylow1)
 {

-  yyGLRState* s;

   int i;
   int i;

-  s = yyvsp[yylow0].yystate.yypred;
+  yyGLRState *s = yyvsp[yylow0].yystate.yypred;

   for (i = yylow0-1; i >= yylow1; i -= 1)
     {
   for (i = yylow0-1; i >= yylow1; i -= 1)
     {

-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG

       yyvsp[i].yystate.yylrState = s->yylrState;
 #endif
       yyvsp[i].yystate.yyresolved = s->yyresolved;
       yyvsp[i].yystate.yylrState = s->yylrState;
 #endif
       yyvsp[i].yystate.yyresolved = s->yyresolved;


@@ -851,7 +796,7 @@ yyfill (yyGLRStackItem *yyvsp, int *yylow, int yylow1, yybool yynormal)
  *  value ($$), and yylocp points to place for location information
  *  (@@$).  Returns yyok for normal return, yyaccept for YYACCEPT,
  *  yyerr for YYERROR, yyabort for YYABORT.  */
  *  value ($$), and yylocp points to place for location information
  *  (@@$).  Returns yyok for normal return, yyaccept for YYACCEPT,
  *  yyerr for YYERROR, yyabort for YYABORT.  */

-/*ARGSUSED*/ static YYRESULTTAG
+static YYRESULTTAG

 yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp,
               yyGLRStack* yystackp,
               YYSTYPE* yyvalp]b4_locuser_formals[)
 yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp,
               yyGLRStack* yystackp,
               YYSTYPE* yyvalp]b4_locuser_formals[)


@@ -902,9 +847,9 @@ yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp,
 # undef yyclearin
 # undef YYRECOVERING
 }
 # undef yyclearin
 # undef YYRECOVERING
 }

-\f

 
 

-/*ARGSUSED*/ static void
+
+static void

 yyuserMerge (int yyn, YYSTYPE* yy0, YYSTYPE* yy1)
 {
   YYUSE (yy0);
 yyuserMerge (int yyn, YYSTYPE* yy0, YYSTYPE* yy1)
 {
   YYUSE (yy0);


@@ -912,14 +857,14 @@ yyuserMerge (int yyn, YYSTYPE* yy0, YYSTYPE* yy1)
 
   switch (yyn)
     {
 
   switch (yyn)
     {

-      ]b4_mergers[
+]b4_mergers[

       default: break;
     }
 }
 
                               /* Bison grammar-table manipulation.  */
 
       default: break;
     }
 }
 
                               /* Bison grammar-table manipulation.  */
 

-]b4_yydestruct_generate([b4_c_ansi_function_def])[
+]b4_yydestruct_define[

 
 /** Number of symbols composing the right hand side of rule #RULE.  */
 static inline int
 
 /** Number of symbols composing the right hand side of rule #RULE.  */
 static inline int


@@ -936,7 +881,7 @@ yydestroyGLRState (char const *yymsg, yyGLRState *yys]b4_user_formals[)
                 &yys->yysemantics.yysval]b4_locuser_args([&yys->yyloc])[);
   else
     {
                 &yys->yysemantics.yysval]b4_locuser_args([&yys->yyloc])[);
   else
     {

-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG

       if (yydebug)
         {
           if (yys->yysemantics.yyfirstVal)
       if (yydebug)
         {
           if (yys->yysemantics.yyfirstVal)


@@ -969,8 +914,8 @@ yylhsNonterm (yyRuleNum yyrule)
   return yyr1[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).  */
 
 /** True iff LR state YYSTATE has only a default reduction (regardless
  *  of token).  */


@@ -987,8 +932,8 @@ yydefaultAction (yyStateNum yystate)
   return yydefact[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
 
 /** Set *YYACTION to the action to take in YYSTATE on seeing YYTOKEN.
  *  Result R means


@@ -1147,9 +1092,9 @@ yyexpandGLRStack (yyGLRStack* yystackp)
 {
   yyGLRStackItem* yynewItems;
   yyGLRStackItem* yyp0, *yyp1;
 {
   yyGLRStackItem* yynewItems;
   yyGLRStackItem* yyp0, *yyp1;

-  size_t yysize, yynewSize;
+  size_t yynewSize;

   size_t yyn;
   size_t yyn;

-  yysize = yystackp->yynextFree - yystackp->yyitems;
+  size_t yysize = yystackp->yynextFree - yystackp->yyitems;

   if (YYMAXDEPTH - YYHEADROOM < yysize)
     yyMemoryExhausted (yystackp);
   yynewSize = 2*yysize;
   if (YYMAXDEPTH - YYHEADROOM < yysize)
     yyMemoryExhausted (yystackp);
   yynewSize = 2*yysize;


@@ -1172,7 +1117,7 @@ yyexpandGLRStack (yyGLRStack* yystackp)
               YYRELOC (yyp0, yyp1, yys0->yypred, yystate);
           if (! yys0->yyresolved && yys0->yysemantics.yyfirstVal != YY_NULL)
             yys1->yysemantics.yyfirstVal =
               YYRELOC (yyp0, yyp1, yys0->yypred, yystate);
           if (! yys0->yyresolved && yys0->yysemantics.yyfirstVal != YY_NULL)
             yys1->yysemantics.yyfirstVal =

-              YYRELOC(yyp0, yyp1, yys0->yysemantics.yyfirstVal, yyoption);
+              YYRELOC (yyp0, yyp1, yys0->yysemantics.yyfirstVal, yyoption);

         }
       else
         {
         }
       else
         {


@@ -1317,20 +1262,20 @@ yyglrShiftDefer (yyGLRStack* yystackp, size_t yyk, yyStateNum yylrState,
   yyaddDeferredAction (yystackp, yyk, yynewState, yyrhs, yyrule);
 }
 
   yyaddDeferredAction (yystackp, yyk, yynewState, yyrhs, yyrule);
 }
 

-#if !YYDEBUG
+#if !]b4_api_PREFIX[DEBUG

 # define YY_REDUCE_PRINT(Args)
 #else
 # define YY_REDUCE_PRINT(Args)          \
 do {                                    \
   if (yydebug)                          \
     yy_reduce_print Args;               \
 # define YY_REDUCE_PRINT(Args)
 #else
 # define YY_REDUCE_PRINT(Args)          \
 do {                                    \
   if (yydebug)                          \
     yy_reduce_print Args;               \

-} while (YYID (0))
+} while (0)

 
 /*----------------------------------------------------------------------.
 | Report that stack #YYK of *YYSTACKP is going to be reduced by YYRULE. |
 `----------------------------------------------------------------------*/
 
 
 /*----------------------------------------------------------------------.
 | Report that stack #YYK of *YYSTACKP is going to be reduced by YYRULE. |
 `----------------------------------------------------------------------*/
 

-/*ARGSUSED*/ static inline void
+static inline void

 yy_reduce_print (int yynormal, yyGLRStackItem* yyvsp, size_t yyk,
                  yyRuleNum yyrule]b4_user_formals[)
 {
 yy_reduce_print (int yynormal, yyGLRStackItem* yyvsp, size_t yyk,
                  yyRuleNum yyrule]b4_user_formals[)
 {


@@ -1464,8 +1409,8 @@ yyglrReduce (yyGLRStack* yystackp, size_t yyk, yyRuleNum yyrule,
       for (yyi = 0; yyi < yystackp->yytops.yysize; yyi += 1)
         if (yyi != yyk && yystackp->yytops.yystates[yyi] != YY_NULL)
           {
       for (yyi = 0; yyi < yystackp->yytops.yysize; yyi += 1)
         if (yyi != yyk && yystackp->yytops.yystates[yyi] != YY_NULL)
           {

-            yyGLRState* yyp, *yysplit = yystackp->yysplitPoint;
-            yyp = yystackp->yytops.yystates[yyi];
+            yyGLRState *yysplit = yystackp->yysplitPoint;
+            yyGLRState *yyp = yystackp->yytops.yystates[yyi];

             while (yyp != yys && yyp != yysplit && yyp->yyposn >= yyposn)
               {
                 if (yyp->yylrState == yynewLRState && yyp->yypred == yys)
             while (yyp != yys && yyp != yysplit && yyp->yyposn >= yyposn)
               {
                 if (yyp->yylrState == yynewLRState && yyp->yypred == yys)


@@ -1578,11 +1523,9 @@ yymergeOptionSets (yySemanticOption* yyy0, yySemanticOption* yyy1)
         }
       else
         {
         }
       else
         {

-          yySemanticOption** yyz0p;
-          yySemanticOption* yyz1;
-          yyz0p = &yys0->yysemantics.yyfirstVal;
-          yyz1 = yys1->yysemantics.yyfirstVal;
-          while (YYID (yytrue))
+          yySemanticOption** yyz0p = &yys0->yysemantics.yyfirstVal;
+          yySemanticOption* yyz1 = yys1->yysemantics.yyfirstVal;
+          while (yytrue)

             {
               if (yyz1 == *yyz0p || yyz1 == YY_NULL)
                 break;
             {
               if (yyz1 == *yyz0p || yyz1 == YY_NULL)
                 break;


@@ -1663,14 +1606,9 @@ yyresolveAction (yySemanticOption* yyopt, yyGLRStack* yystackp,
                  YYSTYPE* yyvalp]b4_locuser_formals[)
 {
   yyGLRStackItem yyrhsVals[YYMAXRHS + YYMAXLEFT + 1];
                  YYSTYPE* yyvalp]b4_locuser_formals[)
 {
   yyGLRStackItem yyrhsVals[YYMAXRHS + YYMAXLEFT + 1];

-  int yynrhs;
-  int yychar_current;
-  YYSTYPE yylval_current;]b4_locations_if([
-  YYLTYPE yylloc_current;])[
-  YYRESULTTAG yyflag;
-
-  yynrhs = yyrhsLength (yyopt->yyrule);
-  yyflag = yyresolveStates (yyopt->yystate, yynrhs, yystackp]b4_user_args[);
+  int yynrhs = yyrhsLength (yyopt->yyrule);
+  YYRESULTTAG yyflag =
+    yyresolveStates (yyopt->yystate, yynrhs, yystackp]b4_user_args[);

   if (yyflag != yyok)
     {
       yyGLRState *yys;
   if (yyflag != yyok)
     {
       yyGLRState *yys;


@@ -1683,22 +1621,24 @@ yyresolveAction (yySemanticOption* yyopt, yyGLRStack* yystackp,
   if (yynrhs == 0)
     /* Set default location.  */
     yyrhsVals[YYMAXRHS + YYMAXLEFT - 1].yystate.yyloc = yyopt->yystate->yyloc;]])[
   if (yynrhs == 0)
     /* Set default location.  */
     yyrhsVals[YYMAXRHS + YYMAXLEFT - 1].yystate.yyloc = yyopt->yystate->yyloc;]])[

-  yychar_current = yychar;
-  yylval_current = yylval;]b4_locations_if([
-  yylloc_current = yylloc;])[
-  yychar = yyopt->yyrawchar;
-  yylval = yyopt->yyval;]b4_locations_if([
-  yylloc = yyopt->yyloc;])[
-  yyflag = yyuserAction (yyopt->yyrule, yynrhs,
+  {
+    int yychar_current = yychar;
+    YYSTYPE yylval_current = yylval;]b4_locations_if([
+    YYLTYPE yylloc_current = yylloc;])[
+    yychar = yyopt->yyrawchar;
+    yylval = yyopt->yyval;]b4_locations_if([
+    yylloc = yyopt->yyloc;])[
+    yyflag = yyuserAction (yyopt->yyrule, yynrhs,

                            yyrhsVals + YYMAXRHS + YYMAXLEFT - 1,
                            yyrhsVals + YYMAXRHS + YYMAXLEFT - 1,

-                         yystackp, yyvalp]b4_locuser_args[);
-  yychar = yychar_current;
-  yylval = yylval_current;]b4_locations_if([
-  yylloc = yylloc_current;])[
+                           yystackp, yyvalp]b4_locuser_args[);
+    yychar = yychar_current;
+    yylval = yylval_current;]b4_locations_if([
+    yylloc = yylloc_current;])[
+  }

   return yyflag;
 }
 
   return yyflag;
 }
 

-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG

 static void
 yyreportTree (yySemanticOption* yyx, int yyindent)
 {
 static void
 yyreportTree (yySemanticOption* yyx, int yyindent)
 {


@@ -1746,14 +1686,14 @@ yyreportTree (yySemanticOption* yyx, int yyindent)
 }
 #endif
 
 }
 #endif
 

-/*ARGSUSED*/ static YYRESULTTAG
+static YYRESULTTAG

 yyreportAmbiguity (yySemanticOption* yyx0,
                    yySemanticOption* yyx1]b4_pure_formals[)
 {
   YYUSE (yyx0);
   YYUSE (yyx1);
 
 yyreportAmbiguity (yySemanticOption* yyx0,
                    yySemanticOption* yyx1]b4_pure_formals[)
 {
   YYUSE (yyx0);
   YYUSE (yyx1);
 

-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG

   YYFPRINTF (stderr, "Ambiguity detected.\n");
   YYFPRINTF (stderr, "Option 1,\n");
   yyreportTree (yyx0, 2);
   YYFPRINTF (stderr, "Ambiguity detected.\n");
   YYFPRINTF (stderr, "Option 1,\n");
   yyreportTree (yyx0, 2);


@@ -1778,13 +1718,9 @@ yyresolveLocations (yyGLRState* yys1, int yyn1,
       yyresolveLocations (yys1->yypred, yyn1 - 1, yystackp]b4_user_args[);
       if (!yys1->yyresolved)
         {
       yyresolveLocations (yys1->yypred, yyn1 - 1, yystackp]b4_user_args[);
       if (!yys1->yyresolved)
         {

-          yySemanticOption *yyoption;

           yyGLRStackItem yyrhsloc[1 + YYMAXRHS];
           int yynrhs;
           yyGLRStackItem yyrhsloc[1 + YYMAXRHS];
           int yynrhs;

-          int yychar_current;
-          YYSTYPE yylval_current;
-          YYLTYPE yylloc_current;
-          yyoption = yys1->yysemantics.yyfirstVal;
+          yySemanticOption *yyoption = yys1->yysemantics.yyfirstVal;

           YYASSERT (yyoption != YY_NULL);
           yynrhs = yyrhsLength (yyoption->yyrule);
           if (yynrhs > 0)
           YYASSERT (yyoption != YY_NULL);
           yynrhs = yyrhsLength (yyoption->yyrule);
           if (yynrhs > 0)


@@ -1810,16 +1746,18 @@ yyresolveLocations (yyGLRState* yys1, int yyn1,
               yyGLRState *yyprevious = yyoption->yystate;
               yyrhsloc[0].yystate.yyloc = yyprevious->yyloc;
             }
               yyGLRState *yyprevious = yyoption->yystate;
               yyrhsloc[0].yystate.yyloc = yyprevious->yyloc;
             }

-          yychar_current = yychar;
-          yylval_current = yylval;
-          yylloc_current = yylloc;
-          yychar = yyoption->yyrawchar;
-          yylval = yyoption->yyval;
-          yylloc = yyoption->yyloc;
-          YYLLOC_DEFAULT ((yys1->yyloc), yyrhsloc, yynrhs);
-          yychar = yychar_current;
-          yylval = yylval_current;
-          yylloc = yylloc_current;
+          {
+            int yychar_current = yychar;
+            YYSTYPE yylval_current = yylval;
+            YYLTYPE yylloc_current = yylloc;
+            yychar = yyoption->yyrawchar;
+            yylval = yyoption->yyval;
+            yylloc = yyoption->yyloc;
+            YYLLOC_DEFAULT ((yys1->yyloc), yyrhsloc, yynrhs);
+            yychar = yychar_current;
+            yylval = yylval_current;
+            yylloc = yylloc_current;
+          }

         }
     }
 }]])[
         }
     }
 }]])[


@@ -2079,7 +2017,7 @@ yyprocessOneStack (yyGLRStack* yystackp, size_t yyk,
   return yyok;
 }
 
   return yyok;
 }
 

-/*ARGSUSED*/ static void
+static void

 yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 {
   if (yystackp->yyerrState != 0)
 yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 {
   if (yystackp->yyerrState != 0)


@@ -2211,7 +2149,7 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 /* Recover from a syntax error on *YYSTACKP, assuming that *YYSTACKP->YYTOKENP,
    yylval, and yylloc are the syntactic category, semantic value, and location
    of the lookahead.  */
 /* Recover from a syntax error on *YYSTACKP, assuming that *YYSTACKP->YYTOKENP,
    yylval, and yylloc are the syntactic category, semantic value, and location
    of the lookahead.  */

-/*ARGSUSED*/ static void
+static void

 yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 {
   size_t yyk;
 yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 {
   size_t yyk;


@@ -2220,7 +2158,7 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
   if (yystackp->yyerrState == 3)
     /* We just shifted the error token and (perhaps) took some
        reductions.  Skip tokens until we can proceed.  */
   if (yystackp->yyerrState == 3)
     /* We just shifted the error token and (perhaps) took some
        reductions.  Skip tokens until we can proceed.  */

-    while (YYID (yytrue))
+    while (yytrue)

       {
         yySymbol yytoken;
         if (yychar == YYEOF)
       {
         yySymbol yytoken;
         if (yychar == YYEOF)


@@ -2324,13 +2262,13 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
     default:                                                                 \
       goto yybuglab;                                                         \
     }                                                                        \
     default:                                                                 \
       goto yybuglab;                                                         \
     }                                                                        \

-  } while (YYID (0))
+  } while (0)

 
 /*----------.
 | yyparse.  |
 `----------*/
 
 
 /*----------.
 | yyparse.  |
 `----------*/
 

-]b4_c_ansi_function_def([yyparse], [int], b4_parse_param)[
+]b4_function_define([yyparse], [int], b4_parse_param)[

 {
   int yyresult;
   yyGLRStack yystack;
 {
   int yyresult;
   yyGLRStack yystack;


@@ -2342,18 +2280,16 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
   yychar = YYEMPTY;
   yylval = yyval_default;
 ]b4_locations_if([
   yychar = YYEMPTY;
   yylval = yyval_default;
 ]b4_locations_if([

-#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+#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], [
   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], [

-m4_pushdef([b4_at_dollar],     [yylloc])dnl
-m4_pushdef([b4_dollar_dollar], [yylval])dnl
+b4_dollar_pushdef([yylval], [], [yylloc])dnl

   /* User initialization code.  */
   b4_user_initial_action
   /* User initialization code.  */
   b4_user_initial_action

-m4_popdef([b4_dollar_dollar])dnl
-m4_popdef([b4_at_dollar])])dnl
+b4_dollar_popdef])[]dnl

 [
   if (! yyinitGLRStack (yystackp, YYINITDEPTH))
     goto yyexhaustedlab;
 [
   if (! yyinitGLRStack (yystackp, YYINITDEPTH))
     goto yyexhaustedlab;


@@ -2367,13 +2303,13 @@ m4_popdef([b4_at_dollar])])dnl
   yyglrShift (&yystack, 0, 0, 0, &yylval]b4_locations_if([, &yylloc])[);
   yyposn = 0;
 
   yyglrShift (&yystack, 0, 0, 0, &yylval]b4_locations_if([, &yylloc])[);
   yyposn = 0;
 

-  while (YYID (yytrue))
+  while (yytrue)

     {
       /* For efficiency, we have two loops, the first of which is
          specialized to deterministic operation (single stack, no
          potential ambiguity).  */
       /* Standard mode */
     {
       /* For efficiency, we have two loops, the first of which is
          specialized to deterministic operation (single stack, no
          potential ambiguity).  */
       /* Standard mode */

-      while (YYID (yytrue))
+      while (yytrue)

         {
           yyRuleNum yyrule;
           int yyaction;
         {
           yyRuleNum yyrule;
           int yyaction;


@@ -2437,7 +2373,7 @@ m4_popdef([b4_at_dollar])])dnl
             }
         }
 
             }
         }
 

-      while (YYID (yytrue))
+      while (yytrue)

         {
           yySymbol yytoken_to_shift;
           size_t yys;
         {
           yySymbol yytoken_to_shift;
           size_t yys;


@@ -2569,12 +2505,11 @@ m4_popdef([b4_at_dollar])])dnl
       yyfreeGLRStack (&yystack);
     }
 
       yyfreeGLRStack (&yystack);
     }
 

-  /* Make sure YYID is used.  */
-  return YYID (yyresult);
+  return yyresult;

 }
 
 /* DEBUGGING ONLY */
 }
 
 /* DEBUGGING ONLY */

-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG

 static void yypstack (yyGLRStack* yystackp, size_t yyk)
   __attribute__ ((__unused__));
 static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__));
 static void yypstack (yyGLRStack* yystackp, size_t yyk)
   __attribute__ ((__unused__));
 static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__));


@@ -2655,15 +2590,10 @@ m4_if(b4_skeleton, ["glr.c"],
 [b4_defines_if(
 [@output(b4_spec_defines_file@)@
 b4_copyright([Skeleton interface for Bison GLR parsers in C],
 [b4_defines_if(
 [@output(b4_spec_defines_file@)@
 b4_copyright([Skeleton interface for Bison GLR parsers in C],

-             [2002-2012])
-
-b4_shared_declarations
+             [2002-2012])[

 
 

-b4_pure_if([],
-[[extern YYSTYPE ]b4_prefix[lval;]])
-
-b4_locations_if([b4_pure_if([],
-[extern YYLTYPE ]b4_prefix[lloc;])
-])
-])])[]dnl
+]b4_cpp_guard_open([b4_spec_defines_file])[
+]b4_shared_declarations[
+]b4_cpp_guard_close([b4_spec_defines_file])[
+]])])dnl

 m4_divert_pop(0)
 m4_divert_pop(0)