build: generalize etc/prefix-gnulib-mk

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index 3357e60fd43c370db208a3ffb2c0290180a937a8..1866a66acef45b0da5ca52568a3f913f9866233a 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -1,11 +1,11 @@
                                                              -*- C -*-
 # Yacc compatible skeleton for Bison
 
                                                              -*- C -*-
 # Yacc compatible skeleton for Bison
 

-# Copyright (C) 1984, 1989-1990, 2000-2011 Free Software Foundation,
+# Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation,

 # Inc.
 
 m4_pushdef([b4_copyright_years],
 # Inc.
 
 m4_pushdef([b4_copyright_years],

-           [1984, 1989-1990, 2000-2011])
+           [1984, 1989-1990, 2000-2012])

 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by


@@ -31,8 +31,8 @@ m4_case(b4_percent_define_get([[api.push-pull]]),
         [push], [m4_define([b4_pull_flag], [[0]])])
 
 # Handle BISON_USE_PUSH_FOR_PULL for the test suite.  So that push parsing
         [push], [m4_define([b4_pull_flag], [[0]])])
 
 # Handle BISON_USE_PUSH_FOR_PULL for the test suite.  So that push parsing

-# tests function as written, don't let BISON_USE_PUSH_FOR_PULL modify Bison's
-# behavior at all when push parsing is already requested.
+# tests function as written, do not let BISON_USE_PUSH_FOR_PULL modify the
+# behavior of Bison at all when push parsing is already requested.

 b4_define_flag_if([use_push_for_pull])
 b4_use_push_for_pull_if([
   b4_push_if([m4_define([b4_use_push_for_pull_flag], [[0]])],
 b4_define_flag_if([use_push_for_pull])
 b4_use_push_for_pull_if([
   b4_push_if([m4_define([b4_use_push_for_pull_flag], [[0]])],


@@ -76,8 +76,8 @@ m4_define([b4_pure_flag],
 # Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
 m4_define([b4_yacc_pure_if],
 [b4_pure_if([m4_ifset([b4_parse_param],
 # Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
 m4_define([b4_yacc_pure_if],
 [b4_pure_if([m4_ifset([b4_parse_param],

-                     [$1], [$2])],
-           [$2])])
+                      [$1], [$2])],
+            [$2])])

 
 
 # b4_yyerror_args
 
 
 # b4_yyerror_args


@@ -117,7 +117,7 @@ m4_define([b4_int_type],
 
        m4_eval([0 <= $1]),                [1], [unsigned int],
 
 
        m4_eval([0 <= $1]),                [1], [unsigned int],
 

-                                              [int])])
+                                               [int])])

 
 
 ## ----------------- ##
 
 
 ## ----------------- ##


@@ -235,7 +235,7 @@ m4_define([b4_declare_parser_state_variables], [b4_pure_if([[
 m4_changecom()
 m4_divert_push(0)dnl
 @output(b4_parser_file_name@)@
 m4_changecom()
 m4_divert_push(0)dnl
 @output(b4_parser_file_name@)@

-b4_copyright([Implementation for Bison's Yacc-like parsers in C])[
+b4_copyright([Bison implementation for Yacc-like parsers in C])[

 
 /* C LALR(1) parser skeleton written by Richard Stallman, by
    simplifying the original so-called "semantic" parser.  */
 
 /* C LALR(1) parser skeleton written by Richard Stallman, by
    simplifying the original so-called "semantic" parser.  */


@@ -464,7 +464,7 @@ b4_push_if([], [b4_lac_if([], [[
 #  endif
 #  if (defined __cplusplus && ! defined EXIT_SUCCESS \
        && ! ((defined YYMALLOC || defined malloc) \
 #  endif
 #  if (defined __cplusplus && ! defined EXIT_SUCCESS \
        && ! ((defined YYMALLOC || defined malloc) \

-            && (defined YYFREE || defined free)))
+             && (defined YYFREE || defined free)))

 #   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
 #   ifndef EXIT_SUCCESS
 #    define EXIT_SUCCESS 0
 #   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
 #   ifndef EXIT_SUCCESS
 #    define EXIT_SUCCESS 0


@@ -489,8 +489,8 @@ void free (void *); /* INFRINGES ON USER NAME SPACE */
 
 #if (! defined yyoverflow \
      && (! defined __cplusplus \
 
 #if (! defined yyoverflow \
      && (! defined __cplusplus \

-        || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
-            && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+         || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
+             && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))

 
 /* A type that is properly aligned for any stack member.  */
 union yyalloc
 
 /* A type that is properly aligned for any stack member.  */
 union yyalloc


@@ -520,15 +520,15 @@ union yyalloc
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */

-# define YYSTACK_RELOCATE(Stack_alloc, Stack)                          \
-    do                                                                 \
-      {                                                                        \
-       YYSIZE_T yynewbytes;                                            \
-       YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
-       Stack = &yyptr->Stack_alloc;                                    \
-       yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
-       yyptr += yynewbytes / sizeof (*yyptr);                          \
-      }                                                                        \
+# define YYSTACK_RELOCATE(Stack_alloc, Stack)                           \
+    do                                                                  \
+      {                                                                 \
+        YYSIZE_T yynewbytes;                                            \
+        YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
+        Stack = &yyptr->Stack_alloc;                                    \
+        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+        yyptr += yynewbytes / sizeof (*yyptr);                          \
+      }                                                                 \

     while (YYID (0))
 
 #endif
     while (YYID (0))
 
 #endif


@@ -541,13 +541,13 @@ union yyalloc
 #   define YYCOPY(To, From, Count) \
       __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
 #  else
 #   define YYCOPY(To, From, Count) \
       __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
 #  else

-#   define YYCOPY(To, From, Count)             \
-      do                                       \
-       {                                       \
-         YYSIZE_T yyi;                         \
-         for (yyi = 0; yyi < (Count); yyi++)   \
-           (To)[yyi] = (From)[yyi];            \
-       }                                       \
+#   define YYCOPY(To, From, Count)              \
+      do                                        \
+        {                                       \
+          YYSIZE_T yyi;                         \
+          for (yyi = 0; yyi < (Count); yyi++)   \
+            (To)[yyi] = (From)[yyi];            \
+        }                                       \

       while (YYID (0))
 #  endif
 # endif
       while (YYID (0))
 #  endif
 # endif


@@ -572,7 +572,7 @@ union yyalloc
 #define YYUNDEFTOK  ]b4_undef_token_number[
 #define YYMAXUTOK   ]b4_user_token_number_max[
 
 #define YYUNDEFTOK  ]b4_undef_token_number[
 #define YYMAXUTOK   ]b4_user_token_number_max[
 

-#define YYTRANSLATE(YYX)                                               \
+#define YYTRANSLATE(YYX)                                                \

   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
 
 /* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
 
 /* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM


@@ -617,14 +617,14 @@ static const ]b4_int_type_for([b4_toknum])[ yytoknum[] =
 
 ]b4_parser_tables_define[
 
 
 ]b4_parser_tables_define[
 

-#define yyerrok                (yyerrstatus = 0)
-#define yyclearin      (yychar = YYEMPTY)
-#define YYEMPTY                (-2)
-#define YYEOF          0
+#define yyerrok         (yyerrstatus = 0)
+#define yyclearin       (yychar = YYEMPTY)
+#define YYEMPTY         (-2)
+#define YYEOF           0

 
 

-#define YYACCEPT       goto yyacceptlab
-#define YYABORT                goto yyabortlab
-#define YYERROR                goto yyerrorlab
+#define YYACCEPT        goto yyacceptlab
+#define YYABORT         goto yyabortlab
+#define YYERROR         goto yyerrorlab

 
 
 /* Like YYERROR except do call yyerror.  This remains here temporarily
 
 
 /* Like YYERROR except do call yyerror.  This remains here temporarily


@@ -634,7 +634,7 @@ static const ]b4_int_type_for([b4_toknum])[ yytoknum[] =
    in Bison 2.4.2's NEWS entry, where a plan to phase it out is
    discussed.  */
 
    in Bison 2.4.2's NEWS entry, where a plan to phase it out is
    discussed.  */
 

-#define YYFAIL         goto yyerrlab
+#define YYFAIL          goto yyerrlab

 #if defined YYFAIL
   /* This is here to suppress warnings from the GCC cpp's
      -Wunused-macros.  Normally we don't worry about that warning, but
 #if defined YYFAIL
   /* This is here to suppress warnings from the GCC cpp's
      -Wunused-macros.  Normally we don't worry about that warning, but


@@ -644,26 +644,26 @@ static const ]b4_int_type_for([b4_toknum])[ yytoknum[] =
 
 #define YYRECOVERING()  (!!yyerrstatus)
 
 
 #define YYRECOVERING()  (!!yyerrstatus)
 

-#define YYBACKUP(Token, Value)                                 \
-do                                                             \
-  if (yychar == YYEMPTY && yylen == 1)                         \
-    {                                                          \
-      yychar = (Token);                                                \
-      yylval = (Value);                                                \
-      YYPOPSTACK (1);                                          \]b4_lac_if([[
-      YY_LAC_DISCARD ("YYBACKUP");                             \]])[
-      goto yybackup;                                           \
-    }                                                          \
-  else                                                         \
-    {                                                          \
+#define YYBACKUP(Token, Value)                                  \
+do                                                              \
+  if (yychar == YYEMPTY && yylen == 1)                          \
+    {                                                           \
+      yychar = (Token);                                         \
+      yylval = (Value);                                         \
+      YYPOPSTACK (1);                                           \]b4_lac_if([[
+      YY_LAC_DISCARD ("YYBACKUP");                              \]])[
+      goto yybackup;                                            \
+    }                                                           \
+  else                                                          \
+    {                                                           \

       yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \
       yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \

-      YYERROR;                                                 \
-    }                                                          \
+      YYERROR;                                                  \
+    }                                                           \

 while (YYID (0))
 
 
 while (YYID (0))
 
 

-#define YYTERROR       1
-#define YYERRCODE      256
+#define YYTERROR        1
+#define YYERRCODE       256

 
 
 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
 
 
 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].


@@ -672,22 +672,22 @@ while (YYID (0))
 
 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
 #ifndef YYLLOC_DEFAULT
 
 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
 #ifndef YYLLOC_DEFAULT

-# define YYLLOC_DEFAULT(Current, Rhs, N)                               \
-    do                                                                 \
+# define YYLLOC_DEFAULT(Current, Rhs, N)                                \
+    do                                                                  \

       if (YYID (N))                                                    \
       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;                              \
-       }                                                               \
+        {                                                               \
+          (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))
 #endif]b4_locations_if([[
 
     while (YYID (0))
 #endif]b4_locations_if([[
 


@@ -698,10 +698,10 @@ while (YYID (0))
 
 #ifndef YY_LOCATION_PRINT
 # if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
 
 #ifndef YY_LOCATION_PRINT
 # if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL

-#  define YY_LOCATION_PRINT(File, Loc)                 \
-     fprintf (File, "%d.%d-%d.%d",                     \
-             (Loc).first_line, (Loc).first_column,     \
-             (Loc).last_line,  (Loc).last_column)
+#  define YY_LOCATION_PRINT(File, Loc)                  \
+     fprintf (File, "%d.%d-%d.%d",                      \
+              (Loc).first_line, (Loc).first_column,     \
+              (Loc).last_line,  (Loc).last_column)

 # else
 #  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 # endif
 # else
 #  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 # endif


@@ -731,21 +731,21 @@ while (YYID (0))
 #  define YYFPRINTF fprintf
 # endif
 
 #  define YYFPRINTF fprintf
 # endif
 

-# define YYDPRINTF(Args)                       \
-do {                                           \
-  if (yydebug)                                 \
-    YYFPRINTF Args;                            \
+# define YYDPRINTF(Args)                        \
+do {                                            \
+  if (yydebug)                                  \
+    YYFPRINTF Args;                             \

 } while (YYID (0))
 
 } while (YYID (0))
 

-# define YY_SYMBOL_PRINT(Title, Type, Value, Location)                   \
-do {                                                                     \
-  if (yydebug)                                                           \
-    {                                                                    \
-      YYFPRINTF (stderr, "%s ", Title);                                          \
-      yy_symbol_print (stderr,                                           \
-                 Type, Value]b4_locations_if([, Location])[]b4_user_args[); \
-      YYFPRINTF (stderr, "\n");                                                  \
-    }                                                                    \
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)                    \
+do {                                                                      \
+  if (yydebug)                                                            \
+    {                                                                     \
+      YYFPRINTF (stderr, "%s ", Title);                                   \
+      yy_symbol_print (stderr,                                            \
+                  Type, Value]b4_locations_if([, Location])[]b4_user_args[); \
+      YYFPRINTF (stderr, "\n");                                           \
+    }                                                                     \

 } while (YYID (0))
 
 ]b4_yy_symbol_print_generate([b4_c_function_def])[
 } while (YYID (0))
 
 ]b4_yy_symbol_print_generate([b4_c_function_def])[


@@ -756,8 +756,8 @@ do {                                                                          \
 `------------------------------------------------------------------*/
 
 ]b4_c_function_def([yy_stack_print], [static void],
 `------------------------------------------------------------------*/
 
 ]b4_c_function_def([yy_stack_print], [static void],

-                  [[yytype_int16 *yybottom], [yybottom]],
-                  [[yytype_int16 *yytop],    [yytop]])[
+                   [[yytype_int16 *yybottom], [yybottom]],
+                   [[yytype_int16 *yytop],    [yytop]])[

 {
   YYFPRINTF (stderr, "Stack now");
   for (; yybottom <= yytop; yybottom++)
 {
   YYFPRINTF (stderr, "Stack now");
   for (; yybottom <= yytop; yybottom++)


@@ -768,10 +768,10 @@ do {                                                                        \
   YYFPRINTF (stderr, "\n");
 }
 
   YYFPRINTF (stderr, "\n");
 }
 

-# define YY_STACK_PRINT(Bottom, Top)                           \
-do {                                                           \
-  if (yydebug)                                                 \
-    yy_stack_print ((Bottom), (Top));                          \
+# define YY_STACK_PRINT(Bottom, Top)                            \
+do {                                                            \
+  if (yydebug)                                                  \
+    yy_stack_print ((Bottom), (Top));                           \

 } while (YYID (0))
 
 
 } while (YYID (0))
 
 


@@ -804,9 +804,9 @@ do {                                                                \
     }
 }
 
     }
 }
 

-# define YY_REDUCE_PRINT(Rule)         \
-do {                                   \
-  if (yydebug)                         \
+# define YY_REDUCE_PRINT(Rule)          \
+do {                                    \
+  if (yydebug)                          \

     yy_reduce_print (yyssp, yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \
 } while (YYID (0))
 
     yy_reduce_print (yyssp, yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \
 } while (YYID (0))
 


@@ -822,7 +822,7 @@ int yydebug;
 
 
 /* YYINITDEPTH -- initial size of the parser's stacks.  */
 
 
 /* YYINITDEPTH -- initial size of the parser's stacks.  */

-#ifndef        YYINITDEPTH
+#ifndef YYINITDEPTH

 # define YYINITDEPTH ]b4_stack_depth_init[
 #endif
 
 # define YYINITDEPTH ]b4_stack_depth_init[
 #endif
 


@@ -1068,7 +1068,7 @@ yy_lac (yytype_int16 *yyesa, yytype_int16 **yyes,
               }
             *++yyesp = yystate;
           }
               }
             *++yyesp = yystate;
           }

-        YYDPRINTF ((stderr, " G%d", *yyesp));
+        YYDPRINTF ((stderr, " G%d", yystate));

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


@@ -1129,27 +1129,27 @@ yytnamerr (char *yyres, const char *yystr)
       char const *yyp = yystr;
 
       for (;;)
       char const *yyp = yystr;
 
       for (;;)

-       switch (*++yyp)
-         {
-         case '\'':
-         case ',':
-           goto do_not_strip_quotes;
-
-         case '\\':
-           if (*++yyp != '\\')
-             goto do_not_strip_quotes;
-           /* Fall through.  */
-         default:
-           if (yyres)
-             yyres[yyn] = *yyp;
-           yyn++;
-           break;
-
-         case '"':
-           if (yyres)
-             yyres[yyn] = '\0';
-           return yyn;
-         }
+        switch (*++yyp)
+          {
+          case '\'':
+          case ',':
+            goto do_not_strip_quotes;
+
+          case '\\':
+            if (*++yyp != '\\')
+              goto do_not_strip_quotes;
+            /* Fall through.  */
+          default:
+            if (yyres)
+              yyres[yyn] = *yyp;
+            yyn++;
+            break;
+
+          case '"':
+            if (yyres)
+              yyres[yyn] = '\0';
+            return yyn;
+          }

     do_not_strip_quotes: ;
     }
 
     do_not_strip_quotes: ;
     }
 


@@ -1552,26 +1552,26 @@ m4_ifdef([b4_at_dollar_used], [[  yylsp[0] = yylloc;
 
 #ifdef yyoverflow
       {
 
 #ifdef yyoverflow
       {

-       /* Give user a chance to reallocate the stack.  Use copies of
-          these so that the &'s don't force the real ones into
-          memory.  */
-       YYSTYPE *yyvs1 = yyvs;
-       yytype_int16 *yyss1 = yyss;]b4_locations_if([
-       YYLTYPE *yyls1 = yyls;])[
-
-       /* Each stack pointer address is followed by the size of the
-          data in use in that stack, in bytes.  This used to be a
-          conditional around just the two extra args, but that might
-          be undefined if yyoverflow is a macro.  */
-       yyoverflow (YY_("memory exhausted"),
-                   &yyss1, yysize * sizeof (*yyssp),
-                   &yyvs1, yysize * sizeof (*yyvsp),]b4_locations_if([
-                   &yyls1, yysize * sizeof (*yylsp),])[
-                   &yystacksize);
+        /* Give user a chance to reallocate the stack.  Use copies of
+           these so that the &'s don't force the real ones into
+           memory.  */
+        YYSTYPE *yyvs1 = yyvs;
+        yytype_int16 *yyss1 = yyss;]b4_locations_if([
+        YYLTYPE *yyls1 = yyls;])[
+
+        /* Each stack pointer address is followed by the size of the
+           data in use in that stack, in bytes.  This used to be a
+           conditional around just the two extra args, but that might
+           be undefined if yyoverflow is a macro.  */
+        yyoverflow (YY_("memory exhausted"),
+                    &yyss1, yysize * sizeof (*yyssp),
+                    &yyvs1, yysize * sizeof (*yyvsp),]b4_locations_if([
+                    &yyls1, yysize * sizeof (*yylsp),])[
+                    &yystacksize);

 ]b4_locations_if([
 ]b4_locations_if([

-       yyls = yyls1;])[
-       yyss = yyss1;
-       yyvs = yyvs1;
+        yyls = yyls1;])[
+        yyss = yyss1;
+        yyvs = yyvs1;

       }
 #else /* no yyoverflow */
 # ifndef YYSTACK_RELOCATE
       }
 #else /* no yyoverflow */
 # ifndef YYSTACK_RELOCATE


@@ -1579,23 +1579,23 @@ m4_ifdef([b4_at_dollar_used], [[  yylsp[0] = yylloc;
 # else
       /* Extend the stack our own way.  */
       if (YYMAXDEPTH <= yystacksize)
 # else
       /* Extend the stack our own way.  */
       if (YYMAXDEPTH <= yystacksize)

-       goto yyexhaustedlab;
+        goto yyexhaustedlab;

       yystacksize *= 2;
       if (YYMAXDEPTH < yystacksize)
       yystacksize *= 2;
       if (YYMAXDEPTH < yystacksize)

-       yystacksize = YYMAXDEPTH;
+        yystacksize = YYMAXDEPTH;

 
       {
 
       {

-       yytype_int16 *yyss1 = yyss;
-       union yyalloc *yyptr =
-         (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
-       if (! yyptr)
-         goto yyexhaustedlab;
-       YYSTACK_RELOCATE (yyss_alloc, yyss);
-       YYSTACK_RELOCATE (yyvs_alloc, yyvs);]b4_locations_if([
-       YYSTACK_RELOCATE (yyls_alloc, yyls);])[
+        yytype_int16 *yyss1 = yyss;
+        union yyalloc *yyptr =
+          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+        if (! yyptr)
+          goto yyexhaustedlab;
+        YYSTACK_RELOCATE (yyss_alloc, yyss);
+        YYSTACK_RELOCATE (yyvs_alloc, yyvs);]b4_locations_if([
+        YYSTACK_RELOCATE (yyls_alloc, yyls);])[

 #  undef YYSTACK_RELOCATE
 #  undef YYSTACK_RELOCATE

-       if (yyss1 != yyssa)
-         YYSTACK_FREE (yyss1);
+        if (yyss1 != yyssa)
+          YYSTACK_FREE (yyss1);

       }
 # endif
 #endif /* no yyoverflow */
       }
 # endif
 #endif /* no yyoverflow */


@@ -1605,10 +1605,10 @@ m4_ifdef([b4_at_dollar_used], [[  yylsp[0] = yylloc;
       yylsp = yyls + yysize - 1;])[
 
       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
       yylsp = yyls + yysize - 1;])[
 
       YYDPRINTF ((stderr, "Stack size increased to %lu\n",

-                 (unsigned long int) yystacksize));
+                  (unsigned long int) yystacksize));

 
       if (yyss + yystacksize - 1 <= yyssp)
 
       if (yyss + yystacksize - 1 <= yyssp)

-       YYABORT;
+        YYABORT;

     }
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
     }
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));


@@ -1844,20 +1844,20 @@ yyerrlab:
   if (yyerrstatus == 3)
     {
       /* If just tried and failed to reuse lookahead token after an
   if (yyerrstatus == 3)
     {
       /* If just tried and failed to reuse lookahead token after an

-        error, discard it.  */
+         error, discard it.  */

 
       if (yychar <= YYEOF)
 
       if (yychar <= YYEOF)

-       {
-         /* Return failure if at end of input.  */
-         if (yychar == YYEOF)
-           YYABORT;
-       }
+        {
+          /* Return failure if at end of input.  */
+          if (yychar == YYEOF)
+            YYABORT;
+        }

       else
       else

-       {
-         yydestruct ("Error: discarding",
-                     yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
-         yychar = YYEMPTY;
-       }
+        {
+          yydestruct ("Error: discarding",
+                      yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
+          yychar = YYEMPTY;
+        }

     }
 
   /* Else will try to reuse lookahead token after shifting the error
     }
 
   /* Else will try to reuse lookahead token after shifting the error


@@ -1890,29 +1890,29 @@ yyerrorlab:
 | yyerrlab1 -- common code for both syntax error and YYERROR.  |
 `-------------------------------------------------------------*/
 yyerrlab1:
 | yyerrlab1 -- common code for both syntax error and YYERROR.  |
 `-------------------------------------------------------------*/
 yyerrlab1:

-  yyerrstatus = 3;     /* Each real token shifted decrements this.  */
+  yyerrstatus = 3;      /* Each real token shifted decrements this.  */

 
   for (;;)
     {
       yyn = yypact[yystate];
       if (!yypact_value_is_default (yyn))
 
   for (;;)
     {
       yyn = yypact[yystate];
       if (!yypact_value_is_default (yyn))

-       {
-         yyn += YYTERROR;
-         if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
-           {
-             yyn = yytable[yyn];
-             if (0 < yyn)
-               break;
-           }
-       }
+        {
+          yyn += YYTERROR;
+          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+            {
+              yyn = yytable[yyn];
+              if (0 < yyn)
+                break;
+            }
+        }

 
       /* Pop the current state because it cannot handle the error token.  */
       if (yyssp == yyss)
 
       /* Pop the current state because it cannot handle the error token.  */
       if (yyssp == yyss)

-       YYABORT;
+        YYABORT;

 
 ]b4_locations_if([[      yyerror_range[1] = *yylsp;]])[
       yydestruct ("Error: popping",
 
 ]b4_locations_if([[      yyerror_range[1] = *yylsp;]])[
       yydestruct ("Error: popping",

-                 yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
+                  yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);

       YYPOPSTACK (1);
       yystate = *yyssp;
       YY_STACK_PRINT (yyss, yyssp);
       YYPOPSTACK (1);
       yystate = *yyssp;
       YY_STACK_PRINT (yyss, yyssp);


@@ -1977,7 +1977,7 @@ yyreturn:
   while (yyssp != yyss)
     {
       yydestruct ("Cleanup: popping",
   while (yyssp != yyss)
     {
       yydestruct ("Cleanup: popping",

-                 yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
+                  yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);

       YYPOPSTACK (1);
     }
 #ifndef yyoverflow
       YYPOPSTACK (1);
     }
 #ifndef yyoverflow


@@ -2000,7 +2000,7 @@ yypushreturn:]])[
 ]b4_epilogue[]dnl
 b4_defines_if(
 [@output(b4_spec_defines_file@)@
 ]b4_epilogue[]dnl
 b4_defines_if(
 [@output(b4_spec_defines_file@)@

-b4_copyright([Interface for Bison's Yacc-like parsers in C])dnl
+b4_copyright([Bison interface for Yacc-like parsers in C])dnl

 
 b4_percent_code_get([[requires]])[]dnl
 
 
 b4_percent_code_get([[requires]])[]dnl