X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0991e29b75f192570b6fac1ba23657ab4f3509ee..0ce615753edfd7d1f8f1fe8670d4354b3d59d049:/data/yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index eed13f7f..c02ecf2d 100644
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -2,10 +2,10 @@
 # Yacc compatible skeleton for Bison
 
 # Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-# 2007, 2008 Free Software Foundation, Inc.
+# 2007, 2008, 2009 Free Software Foundation, Inc.
 
 m4_pushdef([b4_copyright_years],
-[1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008])
+[1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009])
 
 # 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
@@ -192,7 +192,7 @@ m4_if(b4_prefix, [yy], [],
 
 /* Enabling traces.  */
 #ifndef YYDEBUG
-# define YYDEBUG ]b4_debug_flag[
+# define YYDEBUG ]b4_debug_if([1], [0])[
 #endif
 
 /* Enabling verbose error messages.  */
@@ -200,7 +200,7 @@ m4_if(b4_prefix, [yy], [],
 # undef YYERROR_VERBOSE
 # define YYERROR_VERBOSE 1
 #else
-# define YYERROR_VERBOSE ]b4_error_verbose_flag[
+# define YYERROR_VERBOSE ]b4_error_verbose_if([1], [0])[
 #endif
 
 /* Enabling the token table.  */
@@ -501,11 +501,8 @@ static const ]b4_int_type_for([b4_translate])[ yytranslate[] =
 };
 
 #if YYDEBUG
-/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
-static const ]b4_int_type_for([b4_rline])[ yyrline[] =
-{
-  ]b4_rline[
-};
+]b4_integral_parser_table_define([rline], [b4_rline],
+     [YYRLINE[YYN] -- Source line where rule number YYN was defined.])[
 #endif
 
 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
@@ -530,7 +527,7 @@ static const ]b4_int_type_for([b4_toknum])[ yytoknum[] =
 
 #define YYTABLE_NINF ]b4_table_ninf[
 
-]b4_tables_define[
+]b4_parser_tables_define[
 
 #define yyerrok		(yyerrstatus = 0)
 #define yyclearin	(yychar = YYEMPTY)
@@ -825,14 +822,14 @@ yytnamerr (char *yyres, const char *yystr)
 # endif
 
 /* Copy into YYRESULT an error message about the unexpected token
-   YYCHAR while in state YYSTATE.  Return the number of bytes copied,
+   YYTOKEN while in state YYSTATE.  Return the number of bytes copied,
    including the terminating null byte.  If YYRESULT is null, do not
    copy anything; just return the number of bytes that would be
    copied.  As a special case, return 0 if an ordinary "syntax error"
    message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
    size calculation.  */
 static YYSIZE_T
-yysyntax_error (char *yyresult, int yystate, int yychar)
+yysyntax_error (char *yyresult, int yystate, int yytoken)
 {
   int yyn = yypact[yystate];
 
@@ -840,34 +837,15 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
     return 0;
   else
     {
-      int yytype = YYTRANSLATE (yychar);
-      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytoken]);
       YYSIZE_T yysize = yysize0;
       YYSIZE_T yysize1;
       int yysize_overflow = 0;
       enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+      /* Internationalized format string. */
+      const char *yyformat = 0;
+      /* Arguments of yyformat. */
       char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
-      int yyx;
-
-# if 0
-      /* This is so xgettext sees the translatable formats that are
-	 constructed on the fly.  */
-      YY_("syntax error, unexpected %s");
-      YY_("syntax error, unexpected %s, expecting %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s or %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
-# endif
-      char *yyfmt;
-      char const *yyf;
-      static char const yyunexpected[] = "syntax error, unexpected %s";
-      static char const yyexpecting[] = ", expecting %s";
-      static char const yyor[] = " or %s";
-      char yyformat[sizeof yyunexpected
-		    + sizeof yyexpecting - 1
-		    + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
-		       * (sizeof yyor - 1))];
-      char const *yyprefix = yyexpecting;
 
       /* Start YYX at -YYN if negative to avoid negative indexes in
 	 YYCHECK.  */
@@ -876,10 +854,12 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
       /* Stay within bounds of both yycheck and yytname.  */
       int yychecklim = YYLAST - yyn + 1;
       int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
-      int yycount = 1;
+      /* Number of reported tokens (one for the "unexpected", one per
+         "expected"). */
+      int yycount = 0;
+      int yyx;
 
-      yyarg[0] = yytname[yytype];
-      yyfmt = yystpcpy (yyformat, yyunexpected);
+      yyarg[yycount++] = yytname[yytoken];
 
       for (yyx = yyxbegin; yyx < yyxend; ++yyx)
 	if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
@@ -888,19 +868,29 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
 	      {
 		yycount = 1;
 		yysize = yysize0;
-		yyformat[sizeof yyunexpected - 1] = '\0';
 		break;
 	      }
 	    yyarg[yycount++] = yytname[yyx];
 	    yysize1 = yysize + yytnamerr (0, yytname[yyx]);
 	    yysize_overflow |= (yysize1 < yysize);
 	    yysize = yysize1;
-	    yyfmt = yystpcpy (yyfmt, yyprefix);
-	    yyprefix = yyor;
 	  }
 
-      yyf = YY_(yyformat);
-      yysize1 = yysize + yystrlen (yyf);
+        switch (yycount)
+        {
+#define YYCASE_(N, S)                           \
+          case N:                               \
+            yyformat = S;                       \
+          break
+          YYCASE_(1, YY_("syntax error, unexpected %s"));
+          YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
+          YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
+          YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
+          YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
+#undef YYCASE_
+        }
+
+      yysize1 = yysize + yystrlen (yyformat);
       yysize_overflow |= (yysize1 < yysize);
       yysize = yysize1;
 
@@ -914,19 +904,17 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
 	     produced a string with the wrong number of "%s"s.  */
 	  char *yyp = yyresult;
 	  int yyi = 0;
-	  while ((*yyp = *yyf) != '\0')
-	    {
-	      if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
-		{
-		  yyp += yytnamerr (yyp, yyarg[yyi++]);
-		  yyf += 2;
-		}
-	      else
-		{
-		  yyp++;
-		  yyf++;
-		}
-	    }
+	  while ((*yyp = *yyformat) != '\0')
+            if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
+              {
+                yyp += yytnamerr (yyp, yyarg[yyi++]);
+                yyformat += 2;
+              }
+            else
+              {
+                yyp++;
+                yyformat++;
+              }
 	}
       return yysize;
     }
@@ -1428,7 +1416,7 @@ yyerrlab:
       yyerror (]b4_yyerror_args[YY_("syntax error"));
 #else
       {
-	YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+	YYSIZE_T yysize = yysyntax_error (0, yystate, yytoken);
 	if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
 	  {
 	    YYSIZE_T yyalloc = 2 * yysize;
@@ -1448,7 +1436,7 @@ yyerrlab:
 
 	if (0 < yysize && yysize <= yymsg_alloc)
 	  {
-	    (void) yysyntax_error (yymsg, yystate, yychar);
+	    (void) yysyntax_error (yymsg, yystate, yytoken);
 	    yyerror (]b4_yyerror_args[yymsg);
 	  }
 	else
@@ -1608,8 +1596,7 @@ yypushreturn:
   return YYID (yyresult);
 }
 
-
-]b4_epilogue
+]b4_epilogue[]dnl
 b4_defines_if(
 [@output(b4_spec_defines_file@)@
 b4_copyright([Interface for Bison's Yacc-like parsers in C])dnl'