X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b7575ffe6f9ca88b6a3f45a499f6e3e76757b862..e9f87b5b7df2e328d2e4196d276c0d96594c906b:/src/bison.simple?ds=sidebyside

diff --git a/src/bison.simple b/src/bison.simple
index c7b56562..207395fc 100644
--- a/src/bison.simple
+++ b/src/bison.simple
@@ -1,7 +1,8 @@
+%%{section} %%{body} %%".c" %%{yacc}
 /* -*- C -*- */
 
-/* A Bison parser, made from %%filename
-   by GNU bison %%version.  */
+/* A Bison parser, made from %%{filename}
+   by GNU bison %%{version}.  */
 
 /* Skeleton output parser for bison,
    Copyright 1984, 1989, 1990, 2000, 2001 Free Software Foundation, Inc.
@@ -35,32 +36,43 @@
 #define YYBISON	1
 
 /* Pure parsers.  */
-#define YYPURE	%%pure
+#define YYPURE	%%{pure}
 
 /* Using locations.  */
-#define YYLSP_NEEDED %%locations-flag
+#define YYLSP_NEEDED %%{locations-flag}
+
+/* If NAME_PREFIX is specified substitute the variables and functions
+   names.  */
+#define yyparse %%{prefix}parse
+#define yylex   %%{prefix}lex
+#define yyerror %%{prefix}error
+#define yylval  %%{prefix}lval
+#define yychar  %%{prefix}char
+#define yydebug %%{prefix}debug
+#define yynerrs %%{prefix}nerrs
+#if YYLSP_NEEDED
+# define yylloc %%{prefix}lloc
+#endif
+
+
+/* Copy the user declarations.  */
+%%{prologue}
 
 /* Enabling traces.  */
 #ifndef YYDEBUG
-# define YYDEBUG %%debug
+# define YYDEBUG %%{debug}
 #endif
 
 /* Enabling verbose error messages.  */
-#undef YYERROR_VERBOSE
-#define YYERROR_VERBOSE %%error-verbose
-
-/* If name_prefix is specify substitute the variables and functions
-   names.  */
-#define yyparse %%prefix##parse
-#define yylex   %%prefix##lex
-#define yyerror %%prefix##error
-#define yylval  %%prefix##lval
-#define yychar  %%prefix##char
-#define yydebug %%prefix##debug
-#define yynerrs %%prefix##nerrs
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE %%{error-verbose}
+#endif
 
 #ifndef YYSTYPE
-typedef %%stype yystype;
+typedef %%{stype} yystype;
 # define YYSTYPE yystype
 #endif
 
@@ -72,15 +84,11 @@ typedef struct yyltype
   int last_line;
   int last_column;
 } yyltype;
-# define YYLTYPE %%ltype
+# define YYLTYPE %%{ltype}
 #endif
 
-/* Copy the user declarations.  */
-%%prologue
-
-#line %%line "%%skeleton"
-
-#include <stdio.h>
+/* Line %%{skeleton-line} of %%{skeleton}.  */
+#line %%{line} "%%{parser-file-name}"
 
 /* All symbols defined below should begin with yy or YY, to avoid
    infringing on user name space.  This should be done even for local
@@ -89,32 +97,28 @@ typedef struct yyltype
    define necessary library symbols; they are noted "INFRINGES ON
    USER NAME SPACE" below.  */
 
-#if ! defined (yyoverflow) || YYERROR_VERBOSE
+#ifdef __cplusplus
+# define YYSTD(x) std::x
+#else
+# define YYSTD(x) x
+#endif
+
+#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
 
 /* The parser invokes alloca or malloc; define the necessary symbols.  */
 
 # if YYSTACK_USE_ALLOCA
 #  define YYSTACK_ALLOC alloca
-#  define YYSIZE_T size_t
+#  define YYSIZE_T YYSTD (size_t)
 # else
 #  ifndef YYSTACK_USE_ALLOCA
 #   if defined (alloca) || defined (_ALLOCA_H)
 #    define YYSTACK_ALLOC alloca
-#    define YYSIZE_T size_t
+#    define YYSIZE_T YYSTD (size_t)
 #   else
-#    if defined (__GNUC__) || defined (_AIX) || defined (__hpux)
+#    ifdef __GNUC__
 #     define YYSTACK_ALLOC __builtin_alloca
 #    endif
-#    ifndef __GNUC__
-#     ifdef _AIX
- #     pragma alloca
-#     endif
-#     if defined (__sgi) || defined (__sparc__) || defined (__sparc) || defined (__sun)
-#      include <alloca.h> /* INFRINGES ON USER NAME SPACE */
-#      define YYSTACK_ALLOC alloca
-#      define YYSIZE_T size_t
-#     endif
-#    endif
 #   endif
 #  endif
 # endif
@@ -126,16 +130,14 @@ typedef struct yyltype
 #  ifdef __cplusplus
 #   include <cstdlib> /* INFRINGES ON USER NAME SPACE */
 #   define YYSIZE_T std::size_t
-#   define YYSTACK_ALLOC std::malloc
-#   define YYSTACK_FREE std::free
 #  else
 #   ifdef __STDC__
 #    include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
 #    define YYSIZE_T size_t
 #   endif
-#   define YYSTACK_ALLOC malloc
-#   define YYSTACK_FREE free
 #  endif
+#  define YYSTACK_ALLOC YYSTD (malloc)
+#  define YYSTACK_FREE YYSTD (free)
 # endif
 
 /* A type that is properly aligned for any stack member.  */
@@ -183,70 +185,78 @@ union yyalloc
 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
 
 /* Tokens.  */
-%%tokendef
-
-#define YYFINAL		%%final
-#define YYFLAG		%%flag
-#define YYNTBASE	%%ntbase
-#define YYLAST		%%last
-
-#define YYNTOKENS	%%ntokens
-#define YYNNTS		%%nnts
-#define YYNRULES	%%nrules
-#define YYNSTATES	%%nstates
-#define YYMAXUTOK	%%maxtok
-
-/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX.  */
-#define YYTRANSLATE(x) ((unsigned)(x) <= %%maxtok ? yytranslate[x] : %%nsym)
-
-/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX.  */
+%%{tokendef}
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL  %%{final}
+#define YYFLAG	 %%{flag}
+#define YYLAST   %%{last}
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS  %%{ntokens}
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS  %%{nnts}
+/* YYNRULES -- Number of rules. */
+#define YYNRULES  %%{nrules}
+/* YYNRULES -- Number of states. */
+#define YYNSTATES  %%{nstates}
+#define YYMAXUTOK  %%{maxtok}
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
+#define YYTRANSLATE(x) ((unsigned)(x) <= %%{maxtok} ? yytranslate[x] : %%{nsym})
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
 static const char yytranslate[] =
 {
-  %%translate
+  %%{translate}
 };
 
 #if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+   YYRHS.  */
 static const short yyprhs[] =
 {
-  %%prhs
+  %%{prhs}
 };
 
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
 static const short yyrhs[] =
 {
-  %%rhs
+  %%{rhs}
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const short yyrline[] =
 {
-  %%rline
+  %%{rline}
 };
 #endif
 
-#if YYDEBUG || YYERROR_VERBOSE
-/* YYTNME[TOKEN_NUM] -- String name of the token TOKEN_NUM.  */
+#if (YYDEBUG) || YYERROR_VERBOSE
+/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals. */
 static const char *const yytname[] =
 {
-  %%tname
+  %%{tname}
 };
 #endif
 
 /* YYTOKNUM[YYN] -- Index in YYTNAME corresponding to YYLEX.  */
 static const short yytoknum[] =
 {
-  %%toknum
+  %%{toknum}
 };
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const short yyr1[] =
 {
-  %%r1
+  %%{r1}
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const short yyr2[] =
 {
-  %%r2
+  %%{r2}
 };
 
 /* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
@@ -254,32 +264,39 @@ static const short yyr2[] =
    error.  */
 static const short yydefact[] =
 {
-  %%defact
+  %%{defact}
 };
 
+/* YYPGOTO[NTERM-NUM]. */
 static const short yydefgoto[] =
 {
-  %%defgoto
+  %%{defgoto}
 };
 
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+   STATE-NUM.  */
 static const short yypact[] =
 {
-  %%pact
+  %%{pact}
 };
 
+/* YYPGOTO[NTERM-NUM].  */
 static const short yypgoto[] =
 {
-  %%pgoto
+  %%{pgoto}
 };
 
+/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
+   positive, shift that token.  If negative, reduce the rule which
+   number is the opposite.  If zero, do what YYDEFACT says.  */
 static const short yytable[] =
 {
-  %%table
+  %%{table}
 };
 
 static const short yycheck[] =
 {
-  %%check
+  %%{check}
 };
 
 
@@ -326,14 +343,14 @@ do								\
   if (yychar == YYEMPTY && yylen == 1)				\
     {								\
       yychar = (Token);						\
-      yylval = (Value);					\
+      yylval = (Value);						\
       yychar1 = YYTRANSLATE (yychar);				\
       YYPOPSTACK;						\
       goto yybackup;						\
     }								\
   else								\
     { 								\
-      yyerror ("syntax error: cannot back up");		\
+      yyerror ("syntax error: cannot back up");			\
       YYERROR;							\
     }								\
 while (0)
@@ -379,14 +396,11 @@ while (0)
 
 # ifndef YYFPRINTF
 #  ifdef __cplusplus
-#   include <cstdio.h> /* INFRINGES ON USER NAME SPACE */
-#   define YYFPRINTF std::fprintf
-#   define YYSTDERR std::stderr
+#   include <cstdio>  /* INFRINGES ON USER NAME SPACE */
 #  else
 #   include <stdio.h> /* INFRINGES ON USER NAME SPACE */
-#   define YYFPRINTF fprintf
-#   define YYSTDERR stderr
 #  endif
+#  define YYFPRINTF YYSTD (fprintf)
 # endif
 
 # define YYDPRINTF(Args)			\
@@ -405,7 +419,7 @@ int yydebug;
 
 /* YYINITDEPTH -- initial size of the parser's stacks.  */
 #ifndef	YYINITDEPTH
-# define YYINITDEPTH %%initdepth
+# define YYINITDEPTH %%{initdepth}
 #endif
 
 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
@@ -420,7 +434,7 @@ int yydebug;
 #endif
 
 #ifndef YYMAXDEPTH
-# define YYMAXDEPTH %%maxdepth
+# define YYMAXDEPTH %%{maxdepth}
 #endif
 
 
@@ -507,8 +521,6 @@ yystpcpy (yydest, yysrc)
 
 
 
-#line %%line "%%skeleton"
-
 /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    into yyparse.  The argument should have type void *.
    It should actually point to an object.
@@ -628,7 +640,7 @@ yyparse (YYPARSE_PARAM_ARG)
      rule.  */
   int yylen;
 
-  YYDPRINTF ((YYSTDERR, "Starting parse\n"));
+  YYDPRINTF ((stderr, "Starting parse\n"));
 
   yystate = 0;
   yyerrstatus = 0;
@@ -724,14 +736,14 @@ yyparse (YYPARSE_PARAM_ARG)
       yylsp = yyls + yysize - 1;
 #endif
 
-      YYDPRINTF ((YYSTDERR, "Stack size increased to %lu\n",
+      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
 		  (unsigned long int) yystacksize));
 
       if (yyssp >= yyss + yystacksize - 1)
 	YYABORT;
     }
 
-  YYDPRINTF ((YYSTDERR, "Entering state %d\n", yystate));
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
   goto yybackup;
 
@@ -757,7 +769,7 @@ yybackup:
 
   if (yychar == YYEMPTY)
     {
-      YYDPRINTF ((YYSTDERR, "Reading a token: "));
+      YYDPRINTF ((stderr, "Reading a token: "));
       yychar = YYLEX;
     }
 
@@ -768,7 +780,7 @@ yybackup:
       yychar1 = 0;
       yychar = YYEOF;		/* Don't call YYLEX any more.  */
 
-      YYDPRINTF ((YYSTDERR, "Now at end of input.\n"));
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
     }
   else
     {
@@ -779,14 +791,14 @@ yybackup:
 	which are defined only if `YYDEBUG' is set.  */
       if (yydebug)
 	{
-	  YYFPRINTF (YYSTDERR, "Next token is %d (%s",
+	  YYFPRINTF (stderr, "Next token is %d (%s",
 		     yychar, yytname[yychar1]);
 	  /* Give the individual parser a way to print the precise
 	     meaning of a token, for further debugging info.  */
 # ifdef YYPRINT
-	  YYPRINT (YYSTDERR, yychar, yylval);
+	  YYPRINT (stderr, yychar, yylval);
 # endif
-	  YYFPRINTF (YYSTDERR, ")\n");
+	  YYFPRINTF (stderr, ")\n");
 	}
 #endif
     }
@@ -818,7 +830,7 @@ yybackup:
     YYACCEPT;
 
   /* Shift the lookahead token.  */
-  YYDPRINTF ((YYSTDERR, "Shifting token %d (%s), ",
+  YYDPRINTF ((stderr, "Shifting token %d (%s), ",
 	      yychar, yytname[yychar1]));
 
   /* Discard the token being shifted unless it is eof.  */
@@ -880,20 +892,22 @@ yyreduce:
     {
       int yyi;
 
-      YYFPRINTF (YYSTDERR, "Reducing via rule %d (line %d), ",
-		 yyn, yyrline[yyn]);
+      YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
+		 yyn - 1, yyrline[yyn]);
 
       /* Print the symbols being reduced, and their result.  */
-      for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
-	YYFPRINTF (YYSTDERR, "%s ", yytname[yyrhs[yyi]]);
-      YYFPRINTF (YYSTDERR, " -> %s\n", yytname[yyr1[yyn]]);
+      for (yyi = yyprhs[yyn]; yyrhs[yyi] >= 0; yyi++)
+	YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
+      YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
     }
 #endif
   switch (yyn)
     {
-      %%action
+      %%{actions}
     }
-#line %%line "%%skeleton"
+
+/* Line %%{skeleton-line} of %%{skeleton}.  */
+#line %%{line} "%%{parser-file-name}"
 
   yyvsp -= yylen;
   yyssp -= yylen;
@@ -905,10 +919,10 @@ yyreduce:
   if (yydebug)
     {
       short *yyssp1 = yyss - 1;
-      YYFPRINTF (YYSTDERR, "state stack now");
+      YYFPRINTF (stderr, "state stack now");
       while (yyssp1 != yyssp)
-	YYFPRINTF (YYSTDERR, " %d", *++yyssp1);
-      YYFPRINTF (YYSTDERR, "\n");
+	YYFPRINTF (stderr, " %d", *++yyssp1);
+      YYFPRINTF (stderr, "\n");
     }
 #endif
 
@@ -923,11 +937,11 @@ yyreduce:
 
   yyn = yyr1[yyn];
 
-  yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
+  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
   if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
     yystate = yytable[yystate];
   else
-    yystate = yydefgoto[yyn - YYNTBASE];
+    yystate = yydefgoto[yyn - YYNTOKENS];
 
   goto yynewstate;
 
@@ -1004,7 +1018,7 @@ yyerrlab1:
       /* Return failure if at end of input.  */
       if (yychar == YYEOF)
 	YYABORT;
-      YYDPRINTF ((YYSTDERR, "Discarding token %d (%s).\n",
+      YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
 		  yychar, yytname[yychar1]));
       yychar = YYEMPTY;
     }
@@ -1050,10 +1064,10 @@ yyerrpop:
   if (yydebug)
     {
       short *yyssp1 = yyss - 1;
-      YYFPRINTF (YYSTDERR, "Error: state stack now");
+      YYFPRINTF (stderr, "Error: state stack now");
       while (yyssp1 != yyssp)
-	YYFPRINTF (YYSTDERR, " %d", *++yyssp1);
-      YYFPRINTF (YYSTDERR, "\n");
+	YYFPRINTF (stderr, " %d", *++yyssp1);
+      YYFPRINTF (stderr, "\n");
     }
 #endif
 
@@ -1083,7 +1097,7 @@ yyerrhandle:
   if (yyn == YYFINAL)
     YYACCEPT;
 
-  YYDPRINTF ((YYSTDERR, "Shifting error token, "));
+  YYDPRINTF ((stderr, "Shifting error token, "));
 
   *++yyvsp = yylval;
 #if YYLSP_NEEDED
@@ -1124,4 +1138,4 @@ yyreturn:
   return yyresult;
 }
 
-%%epilogue
+%%{epilogue}