webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 2275 insertions, 0 deletions

diff --git a/Source/WebCore/xml/XPathGrammar.cpp b/Source/WebCore/xml/XPathGrammar.cpp
new file mode 100644
index 000000000..87bed8412
--- /dev/null
+++ b/Source/WebCore/xml/XPathGrammar.cpp
@@ -0,0 +1,2275 @@
+/* This file is generated using the following command:
+   bison -d -p xpathyy XPathGrammar.y -o XPathGrammar.cpp 
+ */
+
+/* A Bison parser, made by GNU Bison 2.3.  */
+
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+
+   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
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+   simplifying the original so-called "semantic" parser.  */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+   infringing on user name space.  This should be done even for local
+   variables, as they might otherwise be expanded by user macros.
+   There are some unavoidable exceptions within include files to
+   define necessary library symbols; they are noted "INFRINGES ON
+   USER NAME SPACE" below.  */
+
+/* Identify Bison output.  */
+#define YYBISON 1
+
+/* Bison version.  */
+#define YYBISON_VERSION "2.3"
+
+/* Skeleton name.  */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers.  */
+#define YYPURE 1
+
+/* Using locations.  */
+#define YYLSP_NEEDED 0
+
+/* Substitute the variable and function names.  */
+#define yyparse xpathyyparse
+#define yylex   xpathyylex
+#define yyerror xpathyyerror
+#define yylval  xpathyylval
+#define yychar  xpathyychar
+#define yydebug xpathyydebug
+#define yynerrs xpathyynerrs
+
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     MULOP = 258,
+     RELOP = 259,
+     EQOP = 260,
+     MINUS = 261,
+     PLUS = 262,
+     AND = 263,
+     OR = 264,
+     FUNCTIONNAME = 265,
+     LITERAL = 266,
+     NAMETEST = 267,
+     NUMBER = 268,
+     NODETYPE = 269,
+     VARIABLEREFERENCE = 270,
+     AXISNAME = 271,
+     COMMENT = 272,
+     DOTDOT = 273,
+     PI = 274,
+     NODE = 275,
+     SLASHSLASH = 276,
+     TEXT_ = 277,
+     XPATH_ERROR = 278
+   };
+#endif
+/* Tokens.  */
+#define MULOP 258
+#define RELOP 259
+#define EQOP 260
+#define MINUS 261
+#define PLUS 262
+#define AND 263
+#define OR 264
+#define FUNCTIONNAME 265
+#define LITERAL 266
+#define NAMETEST 267
+#define NUMBER 268
+#define NODETYPE 269
+#define VARIABLEREFERENCE 270
+#define AXISNAME 271
+#define COMMENT 272
+#define DOTDOT 273
+#define PI 274
+#define NODE 275
+#define SLASHSLASH 276
+#define TEXT_ 277
+#define XPATH_ERROR 278
+
+
+
+/* Copy the first part of user declarations.  */
+#line 28 "WebCore/xml/XPathGrammar.y"
+
+
+#include "config.h"
+
+#include "XPathFunctions.h"
+#include "XPathParser.h"
+#include "XPathPath.h"
+#include "XPathStep.h"
+#include "XPathVariableReference.h"
+
+
+#if COMPILER(MSVC)
+// See https://msdn.microsoft.com/en-us/library/1wea5zwe.aspx
+#pragma warning(disable: 4701)
+#endif
+
+#define YYMALLOC fastMalloc
+#define YYFREE fastFree
+
+#define YYENABLE_NLS 0
+#define YYLTYPE_IS_TRIVIAL 1
+#define YYDEBUG 0
+#define YYMAXDEPTH 10000
+
+using namespace WebCore;
+using namespace XPath;
+
+
+
+/* Enabling traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table.  */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+#line 60 "WebCore/xml/XPathGrammar.y"
+{ 
+    NumericOp::Opcode numericOpcode; 
+    EqTestOp::Opcode equalityTestOpcode;
+    StringImpl* string;
+    Step::Axis axis;
+    LocationPath* locationPath;
+    Step::NodeTest* nodeTest;
+    Vector<std::unique_ptr<Expression>>* expressionVector;
+    Step* step;
+    Expression* expression; 
+}
+/* Line 193 of yacc.c.  */
+#line 190 "./XPathGrammar.cpp"
+    YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+
+
+/* Copy the second part of user declarations.  */
+#line 104 "WebCore/xml/XPathGrammar.y"
+
+
+static int xpathyylex(YYSTYPE* yylval, Parser& parser) { return parser.lex(*yylval); }
+static void xpathyyerror(Parser&, const char*) { }
+
+
+
+/* Line 216 of yacc.c.  */
+#line 209 "./XPathGrammar.cpp"
+
+#ifdef short
+# undef short
+#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
+
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+#  define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+#  define YYSIZE_T size_t
+# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t
+# else
+#  define YYSIZE_T unsigned int
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+#  if ENABLE_NLS
+#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+#   define YY_(msgid) dgettext ("bison-runtime", msgid)
+#  endif
+# endif
+# ifndef YY_
+#  define YY_(msgid) msgid
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E.  */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
+#endif
+
+/* Identity function, used to suppress warnings about constant conditions.  */
+#ifndef lint
+# define YYID(n) (n)
+#else
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static int
+YYID (int i)
+#else
+static int
+YYID (i)
+    int i;
+#endif
+{
+  return i;
+}
+#endif
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# ifdef YYSTACK_USE_ALLOCA
+#  if YYSTACK_USE_ALLOCA
+#   ifdef __GNUC__
+#    define YYSTACK_ALLOC __builtin_alloca
+#   elif defined __BUILTIN_VA_ARG_INCR
+#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+#   elif defined _AIX
+#    define YYSTACK_ALLOC __alloca
+#   elif defined _MSC_VER
+#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+#    define alloca _alloca
+#   else
+#    define YYSTACK_ALLOC alloca
+#    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#     ifndef _STDLIB_H
+#      define _STDLIB_H 1
+#     endif
+#    endif
+#   endif
+#  endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+   /* Pacify GCC's `empty if-body' warning.  */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+    /* The OS might guarantee only one guard page at the bottom of the stack,
+       and a page size can be as small as 4096 bytes.  So we cannot safely
+       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
+       to allow for a few compiler-allocated temporary stack slots.  */
+#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+#  endif
+# else
+#  define YYSTACK_ALLOC YYMALLOC
+#  define YYSTACK_FREE YYFREE
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+#  endif
+#  if (defined __cplusplus && ! defined _STDLIB_H \
+       && ! ((defined YYMALLOC || defined malloc) \
+         && (defined YYFREE || defined free)))
+#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#   ifndef _STDLIB_H
+#    define _STDLIB_H 1
+#   endif
+#  endif
+#  ifndef YYMALLOC
+#   define YYMALLOC malloc
+#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifndef YYFREE
+#   define YYFREE free
+#   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
+
+#if (! defined yyoverflow \
+     && (! defined __cplusplus \
+     || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  yytype_int16 yyss;
+  YYSTYPE yyvs;
+  };
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# define YYSTACK_BYTES(N) \
+     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+      + YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if defined __GNUC__ && 1 < __GNUC__
+#   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];        \
+    }                    \
+      while (YYID (0))
+#  endif
+# endif
+
+/* Relocate STACK from its old location to the new one.  The
+   local variables YYSIZE and YYSTACKSIZE give the old and new number of
+   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)                    \
+    do                                    \
+      {                                    \
+    YYSIZE_T yynewbytes;                        \
+    YYCOPY (&yyptr->Stack, Stack, yysize);                \
+    Stack = &yyptr->Stack;                        \
+    yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+    yyptr += yynewbytes / sizeof (*yyptr);                \
+      }                                    \
+    while (YYID (0))
+
+#endif
+
+/* YYFINAL -- State number of the termination state.  */
+#define YYFINAL  52
+/* YYLAST -- Last index in YYTABLE.  */
+#define YYLAST   132
+
+/* YYNTOKENS -- Number of terminals.  */
+#define YYNTOKENS  33
+/* YYNNTS -- Number of nonterminals.  */
+#define YYNNTS  28
+/* YYNRULES -- Number of rules.  */
+#define YYNRULES  64
+/* YYNRULES -- Number of states.  */
+#define YYNSTATES  101
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
+#define YYUNDEFTOK  2
+#define YYMAXUTOK   278
+
+#define YYTRANSLATE(YYX)                        \
+  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
+static const yytype_uint8 yytranslate[] =
+{
+       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+      26,    27,     2,     2,    31,     2,    30,    24,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,    25,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,    28,     2,    29,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,    32,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
+       5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
+      15,    16,    17,    18,    19,    20,    21,    22,    23
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+   YYRHS.  */
+static const yytype_uint8 yyprhs[] =
+{
+       0,     0,     3,     5,     7,     9,    11,    13,    16,    19,
+      21,    25,    29,    32,    35,    39,    43,    45,    47,    49,
+      53,    57,    61,    65,    70,    71,    73,    75,    78,    82,
+      84,    86,    88,    90,    94,    96,    98,   100,   104,   109,
+     111,   115,   117,   119,   123,   125,   127,   131,   135,   137,
+     140,   142,   146,   148,   152,   154,   158,   160,   164,   166,
+     170,   174,   176,   180,   182
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS.  */
+static const yytype_int8 yyrhs[] =
+{
+      34,     0,    -1,    35,    -1,    54,    -1,    37,    -1,    38,
+      -1,    24,    -1,    24,    38,    -1,    45,    38,    -1,    39,
+      -1,    38,    24,    39,    -1,    38,    45,    39,    -1,    41,
+      42,    -1,    12,    42,    -1,    40,    41,    42,    -1,    40,
+      12,    42,    -1,    46,    -1,    16,    -1,    25,    -1,    20,
+      26,    27,    -1,    22,    26,    27,    -1,    17,    26,    27,
+      -1,    19,    26,    27,    -1,    19,    26,    11,    27,    -1,
+      -1,    43,    -1,    44,    -1,    43,    44,    -1,    28,    35,
+      29,    -1,    21,    -1,    30,    -1,    18,    -1,    15,    -1,
+      26,    35,    27,    -1,    11,    -1,    13,    -1,    48,    -1,
+      10,    26,    27,    -1,    10,    26,    49,    27,    -1,    50,
+      -1,    49,    31,    50,    -1,    35,    -1,    52,    -1,    51,
+      32,    52,    -1,    36,    -1,    53,    -1,    53,    24,    38,
+      -1,    53,    45,    38,    -1,    47,    -1,    47,    43,    -1,
+      55,    -1,    54,     9,    55,    -1,    56,    -1,    55,     8,
+      56,    -1,    57,    -1,    56,     5,    57,    -1,    58,    -1,
+      57,     4,    58,    -1,    59,    -1,    58,     7,    59,    -1,
+      58,     6,    59,    -1,    60,    -1,    59,     3,    60,    -1,
+      51,    -1,     6,    60,    -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
+static const yytype_uint16 yyrline[] =
+{
+       0,   114,   114,   121,   125,   131,   135,   140,   145,   153,
+     159,   165,   174,   184,   202,   213,   231,   235,   237,   244,
+     249,   254,   259,   264,   273,   277,   281,   287,   295,   302,
+     309,   314,   321,   327,   332,   338,   344,   348,   356,   367,
+     373,   381,   385,   387,   394,   399,   401,   407,   416,   418,
+     426,   428,   435,   437,   444,   446,   453,   455,   462,   464,
+     469,   476,   478,   485,   487
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
+static const char *const yytname[] =
+{
+  "$end", "error", "$undefined", "MULOP", "RELOP", "EQOP", "MINUS",
+  "PLUS", "AND", "OR", "FUNCTIONNAME", "LITERAL", "NAMETEST", "NUMBER",
+  "NODETYPE", "VARIABLEREFERENCE", "AXISNAME", "COMMENT", "DOTDOT", "PI",
+  "NODE", "SLASHSLASH", "TEXT", "XPATH_ERROR", "'/'", "'@'", "'('", "')'",
+  "'['", "']'", "'.'", "','", "'|'", "$accept", "Top", "Expr",
+  "LocationPath", "AbsoluteLocationPath", "RelativeLocationPath", "Step",
+  "AxisSpecifier", "NodeTest", "OptionalPredicateList", "PredicateList",
+  "Predicate", "DescendantOrSelf", "AbbreviatedStep", "PrimaryExpr",
+  "FunctionCall", "ArgumentList", "Argument", "UnionExpr", "PathExpr",
+  "FilterExpr", "OrExpr", "AndExpr", "EqualityExpr", "RelationalExpr",
+  "AdditiveExpr", "MultiplicativeExpr", "UnaryExpr", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+   token YYLEX-NUM.  */
+static const yytype_uint16 yytoknum[] =
+{
+       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
+     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
+     275,   276,   277,   278,    47,    64,    40,    41,    91,    93,
+      46,    44,   124
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+static const yytype_uint8 yyr1[] =
+{
+       0,    33,    34,    35,    36,    36,    37,    37,    37,    38,
+      38,    38,    39,    39,    39,    39,    39,    40,    40,    41,
+      41,    41,    41,    41,    42,    42,    43,    43,    44,    45,
+      46,    46,    47,    47,    47,    47,    47,    48,    48,    49,
+      49,    50,    51,    51,    52,    52,    52,    52,    53,    53,
+      54,    54,    55,    55,    56,    56,    57,    57,    58,    58,
+      58,    59,    59,    60,    60
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
+static const yytype_uint8 yyr2[] =
+{
+       0,     2,     1,     1,     1,     1,     1,     2,     2,     1,
+       3,     3,     2,     2,     3,     3,     1,     1,     1,     3,
+       3,     3,     3,     4,     0,     1,     1,     2,     3,     1,
+       1,     1,     1,     3,     1,     1,     1,     3,     4,     1,
+       3,     1,     1,     3,     1,     1,     3,     3,     1,     2,
+       1,     3,     1,     3,     1,     3,     1,     3,     1,     3,
+       3,     1,     3,     1,     2
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
+   means the default is an error.  */
+static const yytype_uint8 yydefact[] =
+{
+       0,     0,     0,    34,    24,    35,    32,    17,     0,    31,
+       0,     0,    29,     0,     6,    18,     0,    30,     0,     2,
+      44,     4,     5,     9,     0,    24,     0,    16,    48,    36,
+      63,    42,    45,     3,    50,    52,    54,    56,    58,    61,
+      64,     0,     0,    13,    25,    26,     0,     0,     0,     0,
+       7,     0,     1,     0,     0,    24,    24,    12,     8,    49,
+       0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+      37,    41,     0,    39,     0,    27,    21,     0,    22,    19,
+      20,    33,    10,    11,    15,    14,    43,    46,    47,    51,
+      53,    55,    57,    60,    59,    62,    38,     0,    28,    23,
+      40
+};
+
+/* YYDEFGOTO[NTERM-NUM].  */
+static const yytype_int8 yydefgoto[] =
+{
+      -1,    18,    71,    20,    21,    22,    23,    24,    25,    43,
+      44,    45,    26,    27,    28,    29,    72,    73,    30,    31,
+      32,    33,    34,    35,    36,    37,    38,    39
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+   STATE-NUM.  */
+#define YYPACT_NINF -37
+static const yytype_int8 yypact[] =
+{
+      81,    81,    -8,   -37,    -7,   -37,   -37,   -37,    14,   -37,
+      17,    20,   -37,    21,     8,   -37,    81,   -37,    48,   -37,
+     -37,   -37,   -17,   -37,    22,    -7,     8,   -37,    -7,   -37,
+      23,   -37,    -9,     1,    45,    49,    52,    10,    54,   -37,
+     -37,    59,    81,   -37,    -7,   -37,    31,    -5,    32,    33,
+     -17,    34,   -37,     8,     8,    -7,    -7,   -37,   -17,    -7,
+     102,     8,     8,    81,    81,    81,    81,    81,    81,    81,
+     -37,   -37,   -18,   -37,    35,   -37,   -37,    36,   -37,   -37,
+     -37,   -37,   -37,   -37,   -37,   -37,   -37,   -17,   -17,    45,
+      49,    52,    10,    54,    54,   -37,   -37,    81,   -37,   -37,
+     -37
+};
+
+/* YYPGOTO[NTERM-NUM].  */
+static const yytype_int8 yypgoto[] =
+{
+     -37,   -37,     3,   -37,   -37,   -12,   -22,   -37,    38,   -20,
+      60,   -36,   -21,   -37,   -37,   -37,   -37,   -24,   -37,    30,
+     -37,   -37,    19,    40,    43,    29,   -16,    -1
+};
+
+/* 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.
+   If YYTABLE_NINF, syntax error.  */
+#define YYTABLE_NINF -1
+static const yytype_uint8 yytable[] =
+{
+      40,    54,    50,    19,    12,    57,    77,    53,    75,    96,
+      63,    62,    12,    97,    58,    61,    67,    68,    41,    51,
+       4,    42,    78,    75,     7,     8,     9,    10,    11,    54,
+      13,    82,    83,    15,    55,    84,    85,    54,    17,     8,
+      46,    10,    11,    47,    13,    74,    48,    49,    52,    87,
+      88,    93,    94,    64,    65,    60,    66,    69,    76,    79,
+      80,    81,    56,    99,    98,     1,    54,    54,    95,     2,
+       3,     4,     5,   100,     6,     7,     8,     9,    10,    11,
+      12,    13,    89,    14,    15,    16,    70,     1,    59,    17,
+      86,     2,     3,     4,     5,    92,     6,     7,     8,     9,
+      10,    11,    12,    13,    90,    14,    15,    16,    91,     0,
+       0,    17,     2,     3,     4,     5,     0,     6,     7,     8,
+       9,    10,    11,    12,    13,     0,    14,    15,    16,     0,
+       0,     0,    17
+};
+
+static const yytype_int8 yycheck[] =
+{
+       1,    22,    14,     0,    21,    25,    11,    24,    44,    27,
+       9,    32,    21,    31,    26,    24,     6,     7,    26,    16,
+      12,    28,    27,    59,    16,    17,    18,    19,    20,    50,
+      22,    53,    54,    25,    12,    55,    56,    58,    30,    17,
+      26,    19,    20,    26,    22,    42,    26,    26,     0,    61,
+      62,    67,    68,     8,     5,    32,     4,     3,    27,    27,
+      27,    27,    24,    27,    29,     6,    87,    88,    69,    10,
+      11,    12,    13,    97,    15,    16,    17,    18,    19,    20,
+      21,    22,    63,    24,    25,    26,    27,     6,    28,    30,
+      60,    10,    11,    12,    13,    66,    15,    16,    17,    18,
+      19,    20,    21,    22,    64,    24,    25,    26,    65,    -1,
+      -1,    30,    10,    11,    12,    13,    -1,    15,    16,    17,
+      18,    19,    20,    21,    22,    -1,    24,    25,    26,    -1,
+      -1,    -1,    30
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+   symbol of state STATE-NUM.  */
+static const yytype_uint8 yystos[] =
+{
+       0,     6,    10,    11,    12,    13,    15,    16,    17,    18,
+      19,    20,    21,    22,    24,    25,    26,    30,    34,    35,
+      36,    37,    38,    39,    40,    41,    45,    46,    47,    48,
+      51,    52,    53,    54,    55,    56,    57,    58,    59,    60,
+      60,    26,    28,    42,    43,    44,    26,    26,    26,    26,
+      38,    35,     0,    24,    45,    12,    41,    42,    38,    43,
+      32,    24,    45,     9,     8,     5,     4,     6,     7,     3,
+      27,    35,    49,    50,    35,    44,    27,    11,    27,    27,
+      27,    27,    39,    39,    42,    42,    52,    38,    38,    55,
+      56,    57,    58,    59,    59,    60,    27,    31,    29,    27,
+      50
+};
+
+#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
+
+
+/* Like YYERROR except do call yyerror.  This remains here temporarily
+   to ease the transition to the new meaning of YYERROR, for GCC.
+   Once GCC version 2 has supplanted version 1, this can go.  */
+
+#define YYFAIL        goto yyerrlab
+
+#define YYRECOVERING()  (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value)                    \
+do                                \
+  if (yychar == YYEMPTY && yylen == 1)                \
+    {                                \
+      yychar = (Token);                        \
+      yylval = (Value);                        \
+      yytoken = YYTRANSLATE (yychar);                \
+      YYPOPSTACK (1);                        \
+      goto yybackup;                        \
+    }                                \
+  else                                \
+    {                                \
+      yyerror (parser, YY_("syntax error: cannot back up")); \
+      YYERROR;                            \
+    }                                \
+while (YYID (0))
+
+
+#define YYTERROR    1
+#define YYERRCODE    256
+
+
+/* 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).  */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#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))
+#endif
+
+
+/* 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.  */
+
+#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)
+# else
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+#endif
+
+
+/* YYLEX -- calling `yylex' with the right arguments.  */
+
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, YYLEX_PARAM)
+#else
+# define YYLEX yylex (&yylval, parser)
+#endif
+
+/* Enable debugging if requested.  */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args)            \
+do {                        \
+  if (yydebug)                    \
+    YYFPRINTF Args;                \
+} while (YYID (0))
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)              \
+do {                                      \
+  if (yydebug)                                  \
+    {                                      \
+      YYFPRINTF (stderr, "%s ", Title);                      \
+      yy_symbol_print (stderr,                          \
+          Type, Value, parser); \
+      YYFPRINTF (stderr, "\n");                          \
+    }                                      \
+} while (YYID (0))
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, Parser& parser)
+#else
+static void
+yy_symbol_value_print (yyoutput, yytype, yyvaluep, parser)
+    FILE *yyoutput;
+    int yytype;
+    YYSTYPE const * const yyvaluep;
+    Parser& parser;
+#endif
+{
+  if (!yyvaluep)
+    return;
+  YYUSE (parser);
+# ifdef YYPRINT
+  if (yytype < YYNTOKENS)
+    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# else
+  YYUSE (yyoutput);
+# endif
+  switch (yytype)
+    {
+      default:
+    break;
+    }
+}
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, Parser& parser)
+#else
+static void
+yy_symbol_print (yyoutput, yytype, yyvaluep, parser)
+    FILE *yyoutput;
+    int yytype;
+    YYSTYPE const * const yyvaluep;
+    Parser& parser;
+#endif
+{
+  if (yytype < YYNTOKENS)
+    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+  else
+    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+  yy_symbol_value_print (yyoutput, yytype, yyvaluep, parser);
+  YYFPRINTF (yyoutput, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included).                                                   |
+`------------------------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
+#else
+static void
+yy_stack_print (bottom, top)
+    yytype_int16 *bottom;
+    yytype_int16 *top;
+#endif
+{
+  YYFPRINTF (stderr, "Stack now");
+  for (; bottom <= top; ++bottom)
+    YYFPRINTF (stderr, " %d", *bottom);
+  YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top)                \
+do {                                \
+  if (yydebug)                            \
+    yy_stack_print ((Bottom), (Top));                \
+} while (YYID (0))
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced.  |
+`------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_reduce_print (YYSTYPE *yyvsp, int yyrule, Parser& parser)
+#else
+static void
+yy_reduce_print (yyvsp, yyrule, parser)
+    YYSTYPE *yyvsp;
+    int yyrule;
+    Parser& parser;
+#endif
+{
+  int yynrhs = yyr2[yyrule];
+  int yyi;
+  unsigned long int yylno = yyrline[yyrule];
+  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+         yyrule - 1, yylno);
+  /* The symbols being reduced.  */
+  for (yyi = 0; yyi < yynrhs; yyi++)
+    {
+      fprintf (stderr, "   $%d = ", yyi + 1);
+      yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
+               &(yyvsp[(yyi + 1) - (yynrhs)])
+                              , parser);
+      fprintf (stderr, "\n");
+    }
+}
+
+# define YY_REDUCE_PRINT(Rule)        \
+do {                    \
+  if (yydebug)                \
+    yy_reduce_print (yyvsp, Rule, parser); \
+} while (YYID (0))
+
+/* Nonzero means print parse trace.  It is left uninitialized so that
+   multiple parsers can coexist.  */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks.  */
+#ifndef    YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+   if the built-in stack extension method is used).
+
+   Do not make this value too large; the results are undefined if
+   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+   evaluated with infinite-precision integer arithmetic.  */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+#  if defined __GLIBC__ && defined _STRING_H
+#   define yystrlen strlen
+#  else
+/* Return the length of YYSTR.  */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static YYSIZE_T
+yystrlen (const char *yystr)
+#else
+static YYSIZE_T
+yystrlen (yystr)
+    const char *yystr;
+#endif
+{
+  YYSIZE_T yylen;
+  for (yylen = 0; yystr[yylen]; yylen++)
+    continue;
+  return yylen;
+}
+#  endif
+# endif
+
+# ifndef yystpcpy
+#  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+#   define yystpcpy stpcpy
+#  else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+   YYDEST.  */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+#else
+static char *
+yystpcpy (yydest, yysrc)
+    char *yydest;
+    const char *yysrc;
+#endif
+{
+  char *yyd = yydest;
+  const char *yys = yysrc;
+
+  while ((*yyd++ = *yys++) != '\0')
+    continue;
+
+  return yyd - 1;
+}
+#  endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+   quotes and backslashes, so that it's suitable for yyerror.  The
+   heuristic is that double-quoting is unnecessary unless the string
+   contains an apostrophe, a comma, or backslash (other than
+   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
+   null, do not copy; instead, return the length of what the result
+   would have been.  */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+  if (*yystr == '"')
+    {
+      YYSIZE_T yyn = 0;
+      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;
+      }
+    do_not_strip_quotes: ;
+    }
+
+  if (! yyres)
+    return yystrlen (yystr);
+
+  return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into YYRESULT an error message about the unexpected token
+   YYCHAR 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)
+{
+  int yyn = yypact[yystate];
+
+  if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+    return 0;
+  else
+    {
+      int yytype = YYTRANSLATE (yychar);
+      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+      YYSIZE_T yysize = yysize0;
+      YYSIZE_T yysize1;
+      int yysize_overflow = 0;
+      enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+      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.  */
+      int yyxbegin = yyn < 0 ? -yyn : 0;
+
+      /* Stay within bounds of both yycheck and yytname.  */
+      int yychecklim = YYLAST - yyn + 1;
+      int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+      int yycount = 1;
+
+      yyarg[0] = yytname[yytype];
+      yyfmt = yystpcpy (yyformat, yyunexpected);
+
+      for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+    if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+      {
+        if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+          {
+        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);
+      yysize_overflow |= (yysize1 < yysize);
+      yysize = yysize1;
+
+      if (yysize_overflow)
+    return YYSIZE_MAXIMUM;
+
+      if (yyresult)
+    {
+      /* Avoid sprintf, as that infringes on the user's name space.
+         Don't have undefined behavior even if the translation
+         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++;
+        }
+        }
+    }
+      return yysize;
+    }
+}
+#endif /* YYERROR_VERBOSE */
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol.  |
+`-----------------------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, Parser& parser)
+#else
+static void
+yydestruct (yymsg, yytype, yyvaluep, parser)
+    const char *yymsg;
+    int yytype;
+    YYSTYPE *yyvaluep;
+    Parser& parser;
+#endif
+{
+  YYUSE (yyvaluep);
+  YYUSE (parser);
+
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+  switch (yytype)
+    {
+      case 10: /* "FUNCTIONNAME" */
+#line 80 "WebCore/xml/XPathGrammar.y"
+    { if ((yyvaluep->string)) (yyvaluep->string)->deref(); };
+#line 1205 "./XPathGrammar.cpp"
+    break;
+      case 11: /* "LITERAL" */
+#line 80 "WebCore/xml/XPathGrammar.y"
+    { if ((yyvaluep->string)) (yyvaluep->string)->deref(); };
+#line 1210 "./XPathGrammar.cpp"
+    break;
+      case 12: /* "NAMETEST" */
+#line 80 "WebCore/xml/XPathGrammar.y"
+    { if ((yyvaluep->string)) (yyvaluep->string)->deref(); };
+#line 1215 "./XPathGrammar.cpp"
+    break;
+      case 13: /* "NUMBER" */
+#line 80 "WebCore/xml/XPathGrammar.y"
+    { if ((yyvaluep->string)) (yyvaluep->string)->deref(); };
+#line 1220 "./XPathGrammar.cpp"
+    break;
+      case 14: /* "NODETYPE" */
+#line 80 "WebCore/xml/XPathGrammar.y"
+    { if ((yyvaluep->string)) (yyvaluep->string)->deref(); };
+#line 1225 "./XPathGrammar.cpp"
+    break;
+      case 15: /* "VARIABLEREFERENCE" */
+#line 80 "WebCore/xml/XPathGrammar.y"
+    { if ((yyvaluep->string)) (yyvaluep->string)->deref(); };
+#line 1230 "./XPathGrammar.cpp"
+    break;
+      case 35: /* "Expr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1235 "./XPathGrammar.cpp"
+    break;
+      case 36: /* "LocationPath" */
+#line 88 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->locationPath); };
+#line 1240 "./XPathGrammar.cpp"
+    break;
+      case 37: /* "AbsoluteLocationPath" */
+#line 88 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->locationPath); };
+#line 1245 "./XPathGrammar.cpp"
+    break;
+      case 38: /* "RelativeLocationPath" */
+#line 88 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->locationPath); };
+#line 1250 "./XPathGrammar.cpp"
+    break;
+      case 39: /* "Step" */
+#line 97 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->step); };
+#line 1255 "./XPathGrammar.cpp"
+    break;
+      case 41: /* "NodeTest" */
+#line 91 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->nodeTest); };
+#line 1260 "./XPathGrammar.cpp"
+    break;
+      case 42: /* "OptionalPredicateList" */
+#line 94 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expressionVector); };
+#line 1265 "./XPathGrammar.cpp"
+    break;
+      case 43: /* "PredicateList" */
+#line 94 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expressionVector); };
+#line 1270 "./XPathGrammar.cpp"
+    break;
+      case 44: /* "Predicate" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1275 "./XPathGrammar.cpp"
+    break;
+      case 45: /* "DescendantOrSelf" */
+#line 97 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->step); };
+#line 1280 "./XPathGrammar.cpp"
+    break;
+      case 46: /* "AbbreviatedStep" */
+#line 97 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->step); };
+#line 1285 "./XPathGrammar.cpp"
+    break;
+      case 47: /* "PrimaryExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1290 "./XPathGrammar.cpp"
+    break;
+      case 48: /* "FunctionCall" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1295 "./XPathGrammar.cpp"
+    break;
+      case 49: /* "ArgumentList" */
+#line 94 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expressionVector); };
+#line 1300 "./XPathGrammar.cpp"
+    break;
+      case 50: /* "Argument" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1305 "./XPathGrammar.cpp"
+    break;
+      case 51: /* "UnionExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1310 "./XPathGrammar.cpp"
+    break;
+      case 52: /* "PathExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1315 "./XPathGrammar.cpp"
+    break;
+      case 53: /* "FilterExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1320 "./XPathGrammar.cpp"
+    break;
+      case 54: /* "OrExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1325 "./XPathGrammar.cpp"
+    break;
+      case 55: /* "AndExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1330 "./XPathGrammar.cpp"
+    break;
+      case 56: /* "EqualityExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1335 "./XPathGrammar.cpp"
+    break;
+      case 57: /* "RelationalExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1340 "./XPathGrammar.cpp"
+    break;
+      case 58: /* "AdditiveExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1345 "./XPathGrammar.cpp"
+    break;
+      case 59: /* "MultiplicativeExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1350 "./XPathGrammar.cpp"
+    break;
+      case 60: /* "UnaryExpr" */
+#line 100 "WebCore/xml/XPathGrammar.y"
+    { delete (yyvaluep->expression); };
+#line 1355 "./XPathGrammar.cpp"
+    break;
+
+      default:
+    break;
+    }
+}
+
+
+/* Prevent warnings from -Wmissing-prototypes.  */
+
+#ifdef YYPARSE_PARAM
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void *YYPARSE_PARAM);
+#else
+int yyparse ();
+#endif
+#else /* ! YYPARSE_PARAM */
+#if defined __STDC__ || defined __cplusplus
+int yyparse (Parser& parser);
+#else
+int yyparse ();
+#endif
+#endif /* ! YYPARSE_PARAM */
+
+
+
+
+
+
+/*----------.
+| yyparse.  |
+`----------*/
+
+#ifdef YYPARSE_PARAM
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void *YYPARSE_PARAM)
+#else
+int
+yyparse (YYPARSE_PARAM)
+    void *YYPARSE_PARAM;
+#endif
+#else /* ! YYPARSE_PARAM */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (Parser& parser)
+#else
+int
+yyparse (parser)
+    Parser& parser;
+#endif
+#endif
+{
+  /* The look-ahead symbol.  */
+int yychar;
+
+/* The semantic value of the look-ahead symbol.  */
+YYSTYPE yylval;
+
+/* Number of syntax errors so far.  */
+int yynerrs;
+
+  int yystate;
+  int yyn;
+  int yyresult;
+  /* Number of tokens to shift before error messages enabled.  */
+  int yyerrstatus;
+  /* Look-ahead token as an internal (translated) token number.  */
+  int yytoken = 0;
+#if YYERROR_VERBOSE
+  /* Buffer for error messages, and its allocated size.  */
+  char yymsgbuf[128];
+  char *yymsg = yymsgbuf;
+  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+  /* Three stacks and their tools:
+     `yyss': related to states,
+     `yyvs': related to semantic values,
+     `yyls': related to locations.
+
+     Refer to the stacks thru separate pointers, to allow yyoverflow
+     to reallocate them elsewhere.  */
+
+  /* The state stack.  */
+  yytype_int16 yyssa[YYINITDEPTH];
+  yytype_int16 *yyss = yyssa;
+  yytype_int16 *yyssp;
+
+  /* The semantic value stack.  */
+  YYSTYPE yyvsa[YYINITDEPTH];
+  YYSTYPE *yyvs = yyvsa;
+  YYSTYPE *yyvsp;
+
+
+
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
+
+  YYSIZE_T yystacksize = YYINITDEPTH;
+
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
+
+  /* The number of symbols on the RHS of the reduced rule.
+     Keep to zero when no symbol should be popped.  */
+  int yylen = 0;
+
+  YYDPRINTF ((stderr, "Starting parse\n"));
+
+  yystate = 0;
+  yyerrstatus = 0;
+  yynerrs = 0;
+  yychar = YYEMPTY;        /* Cause a token to be read.  */
+
+  /* Initialize stack pointers.
+     Waste one element of value and location stack
+     so that they stay on the same level as the state stack.
+     The wasted elements are never initialized.  */
+
+  yyssp = yyss;
+  yyvsp = yyvs;
+
+  goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate.  |
+`------------------------------------------------------------*/
+ yynewstate:
+  /* In all cases, when you get here, the value and location stacks
+     have just been pushed.  So pushing a state here evens the stacks.  */
+  yyssp++;
+
+ yysetstate:
+  *yyssp = yystate;
+
+  if (yyss + yystacksize - 1 <= yyssp)
+    {
+      /* Get the current used size of the three stacks, in elements.  */
+      YYSIZE_T yysize = yyssp - yyss + 1;
+
+#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;
+
+
+    /* 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),
+
+            &yystacksize);
+
+    yyss = yyss1;
+    yyvs = yyvs1;
+      }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+      goto yyexhaustedlab;
+# else
+      /* Extend the stack our own way.  */
+      if (YYMAXDEPTH <= yystacksize)
+    goto yyexhaustedlab;
+      yystacksize *= 2;
+      if (YYMAXDEPTH < yystacksize)
+    yystacksize = YYMAXDEPTH;
+
+      {
+    yytype_int16 *yyss1 = yyss;
+    union yyalloc *yyptr =
+      (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+    if (! yyptr)
+      goto yyexhaustedlab;
+    YYSTACK_RELOCATE (yyss);
+    YYSTACK_RELOCATE (yyvs);
+
+#  undef YYSTACK_RELOCATE
+    if (yyss1 != yyssa)
+      YYSTACK_FREE (yyss1);
+      }
+# endif
+#endif /* no yyoverflow */
+
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
+
+
+      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+          (unsigned long int) yystacksize));
+
+      if (yyss + yystacksize - 1 <= yyssp)
+    YYABORT;
+    }
+
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+  goto yybackup;
+
+/*-----------.
+| yybackup.  |
+`-----------*/
+yybackup:
+
+  /* Do appropriate processing given the current state.  Read a
+     look-ahead token if we need one and don't already have one.  */
+
+  /* First try to decide what to do without reference to look-ahead token.  */
+  yyn = yypact[yystate];
+  if (yyn == YYPACT_NINF)
+    goto yydefault;
+
+  /* Not known => get a look-ahead token if don't already have one.  */
+
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
+  if (yychar == YYEMPTY)
+    {
+      YYDPRINTF ((stderr, "Reading a token: "));
+      yychar = YYLEX;
+    }
+
+  if (yychar <= YYEOF)
+    {
+      yychar = yytoken = YYEOF;
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
+    }
+  else
+    {
+      yytoken = YYTRANSLATE (yychar);
+      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+    }
+
+  /* If the proper action on seeing token YYTOKEN is to reduce or to
+     detect an error, take that action.  */
+  yyn += yytoken;
+  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+    goto yydefault;
+  yyn = yytable[yyn];
+  if (yyn <= 0)
+    {
+      if (yyn == 0 || yyn == YYTABLE_NINF)
+    goto yyerrlab;
+      yyn = -yyn;
+      goto yyreduce;
+    }
+
+  if (yyn == YYFINAL)
+    YYACCEPT;
+
+  /* Count tokens shifted since error; after three, turn off error
+     status.  */
+  if (yyerrstatus)
+    yyerrstatus--;
+
+  /* Shift the look-ahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+
+  /* Discard the shifted token unless it is eof.  */
+  if (yychar != YYEOF)
+    yychar = YYEMPTY;
+
+  yystate = yyn;
+  *++yyvsp = yylval;
+
+  goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state.  |
+`-----------------------------------------------------------*/
+yydefault:
+  yyn = yydefact[yystate];
+  if (yyn == 0)
+    goto yyerrlab;
+  goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction.  |
+`-----------------------------*/
+yyreduce:
+  /* yyn is the number of a rule to reduce with.  */
+  yylen = yyr2[yyn];
+
+  /* If YYLEN is nonzero, implement the default value of the action:
+     `$$ = $1'.
+
+     Otherwise, the following line sets YYVAL to garbage.
+     This behavior is undocumented and Bison
+     users should not rely upon it.  Assigning to YYVAL
+     unconditionally makes the parser a bit smaller, and it avoids a
+     GCC warning that YYVAL may be used uninitialized.  */
+  yyval = yyvsp[1-yylen];
+
+
+  YY_REDUCE_PRINT (yyn);
+  switch (yyn)
+    {
+        case 2:
+#line 115 "WebCore/xml/XPathGrammar.y"
+    {
+        parser.setParseResult(std::unique_ptr<Expression>((yyvsp[(1) - (1)].expression)));
+    ;}
+    break;
+
+  case 4:
+#line 126 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.locationPath) = (yyvsp[(1) - (1)].locationPath);
+        (yyval.locationPath)->setAbsolute();
+    ;}
+    break;
+
+  case 6:
+#line 136 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.locationPath) = new LocationPath;
+    ;}
+    break;
+
+  case 7:
+#line 141 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.locationPath) = (yyvsp[(2) - (2)].locationPath);
+    ;}
+    break;
+
+  case 8:
+#line 146 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.locationPath) = (yyvsp[(2) - (2)].locationPath);
+        (yyval.locationPath)->prependStep(std::unique_ptr<Step>((yyvsp[(1) - (2)].step)));
+    ;}
+    break;
+
+  case 9:
+#line 154 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.locationPath) = new LocationPath;
+        (yyval.locationPath)->appendStep(std::unique_ptr<Step>((yyvsp[(1) - (1)].step)));
+    ;}
+    break;
+
+  case 10:
+#line 160 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.locationPath) = (yyvsp[(1) - (3)].locationPath);
+        (yyval.locationPath)->appendStep(std::unique_ptr<Step>((yyvsp[(3) - (3)].step)));
+    ;}
+    break;
+
+  case 11:
+#line 166 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.locationPath) = (yyvsp[(1) - (3)].locationPath);
+        (yyval.locationPath)->appendStep(std::unique_ptr<Step>((yyvsp[(2) - (3)].step)));
+        (yyval.locationPath)->appendStep(std::unique_ptr<Step>((yyvsp[(3) - (3)].step)));
+    ;}
+    break;
+
+  case 12:
+#line 175 "WebCore/xml/XPathGrammar.y"
+    {
+        std::unique_ptr<Step::NodeTest> nodeTest((yyvsp[(1) - (2)].nodeTest));
+        std::unique_ptr<Vector<std::unique_ptr<Expression>>> predicateList((yyvsp[(2) - (2)].expressionVector));
+        if (predicateList)
+            (yyval.step) = new Step(Step::ChildAxis, WTFMove(*nodeTest), WTFMove(*predicateList));
+        else
+            (yyval.step) = new Step(Step::ChildAxis, WTFMove(*nodeTest));
+    ;}
+    break;
+
+  case 13:
+#line 185 "WebCore/xml/XPathGrammar.y"
+    {
+        String nametest = adoptRef((yyvsp[(1) - (2)].string));
+        std::unique_ptr<Vector<std::unique_ptr<Expression>>> predicateList((yyvsp[(2) - (2)].expressionVector));
+
+        String localName;
+        String namespaceURI;
+        if (!parser.expandQualifiedName(nametest, localName, namespaceURI)) {
+            (yyval.step) = nullptr;
+            YYABORT;
+        }
+
+        if (predicateList)
+            (yyval.step) = new Step(Step::ChildAxis, Step::NodeTest(Step::NodeTest::NameTest, localName, namespaceURI), WTFMove(*predicateList));
+        else
+            (yyval.step) = new Step(Step::ChildAxis, Step::NodeTest(Step::NodeTest::NameTest, localName, namespaceURI));
+    ;}
+    break;
+
+  case 14:
+#line 203 "WebCore/xml/XPathGrammar.y"
+    {
+        std::unique_ptr<Step::NodeTest> nodeTest((yyvsp[(2) - (3)].nodeTest));
+        std::unique_ptr<Vector<std::unique_ptr<Expression>>> predicateList((yyvsp[(3) - (3)].expressionVector));
+
+        if (predicateList)
+            (yyval.step) = new Step((yyvsp[(1) - (3)].axis), WTFMove(*nodeTest), WTFMove(*predicateList));
+        else
+            (yyval.step) = new Step((yyvsp[(1) - (3)].axis), WTFMove(*nodeTest));
+    ;}
+    break;
+
+  case 15:
+#line 214 "WebCore/xml/XPathGrammar.y"
+    {
+        String nametest = adoptRef((yyvsp[(2) - (3)].string));
+        std::unique_ptr<Vector<std::unique_ptr<Expression>>> predicateList((yyvsp[(3) - (3)].expressionVector));
+
+        String localName;
+        String namespaceURI;
+        if (!parser.expandQualifiedName(nametest, localName, namespaceURI)) {
+            (yyval.step) = nullptr;
+            YYABORT;
+        }
+
+        if (predicateList)
+            (yyval.step) = new Step((yyvsp[(1) - (3)].axis), Step::NodeTest(Step::NodeTest::NameTest, localName, namespaceURI), WTFMove(*predicateList));
+        else
+            (yyval.step) = new Step((yyvsp[(1) - (3)].axis), Step::NodeTest(Step::NodeTest::NameTest, localName, namespaceURI));
+    ;}
+    break;
+
+  case 18:
+#line 238 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.axis) = Step::AttributeAxis;
+    ;}
+    break;
+
+  case 19:
+#line 245 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.nodeTest) = new Step::NodeTest(Step::NodeTest::AnyNodeTest);
+    ;}
+    break;
+
+  case 20:
+#line 250 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.nodeTest) = new Step::NodeTest(Step::NodeTest::TextNodeTest);
+    ;}
+    break;
+
+  case 21:
+#line 255 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.nodeTest) = new Step::NodeTest(Step::NodeTest::CommentNodeTest);
+    ;}
+    break;
+
+  case 22:
+#line 260 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.nodeTest) = new Step::NodeTest(Step::NodeTest::ProcessingInstructionNodeTest);
+    ;}
+    break;
+
+  case 23:
+#line 265 "WebCore/xml/XPathGrammar.y"
+    {
+        String literal = adoptRef((yyvsp[(3) - (4)].string));
+        (yyval.nodeTest) = new Step::NodeTest(Step::NodeTest::ProcessingInstructionNodeTest, literal.stripWhiteSpace());
+    ;}
+    break;
+
+  case 24:
+#line 273 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expressionVector) = nullptr;
+    ;}
+    break;
+
+  case 26:
+#line 282 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expressionVector) = new Vector<std::unique_ptr<Expression>>;
+        (yyval.expressionVector)->append(std::unique_ptr<Expression>((yyvsp[(1) - (1)].expression)));
+    ;}
+    break;
+
+  case 27:
+#line 288 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expressionVector) = (yyvsp[(1) - (2)].expressionVector);
+        (yyval.expressionVector)->append(std::unique_ptr<Expression>((yyvsp[(2) - (2)].expression)));
+    ;}
+    break;
+
+  case 28:
+#line 296 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = (yyvsp[(2) - (3)].expression);
+    ;}
+    break;
+
+  case 29:
+#line 303 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.step) = new Step(Step::DescendantOrSelfAxis, Step::NodeTest(Step::NodeTest::AnyNodeTest));
+    ;}
+    break;
+
+  case 30:
+#line 310 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.step) = new Step(Step::SelfAxis, Step::NodeTest(Step::NodeTest::AnyNodeTest));
+    ;}
+    break;
+
+  case 31:
+#line 315 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.step) = new Step(Step::ParentAxis, Step::NodeTest(Step::NodeTest::AnyNodeTest));
+    ;}
+    break;
+
+  case 32:
+#line 322 "WebCore/xml/XPathGrammar.y"
+    {
+        String name = adoptRef((yyvsp[(1) - (1)].string));
+        (yyval.expression) = new VariableReference(name);
+    ;}
+    break;
+
+  case 33:
+#line 328 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = (yyvsp[(2) - (3)].expression);
+    ;}
+    break;
+
+  case 34:
+#line 333 "WebCore/xml/XPathGrammar.y"
+    {
+        String literal = adoptRef((yyvsp[(1) - (1)].string));
+        (yyval.expression) = new StringExpression(WTFMove(literal));
+    ;}
+    break;
+
+  case 35:
+#line 339 "WebCore/xml/XPathGrammar.y"
+    {
+        String numeral = adoptRef((yyvsp[(1) - (1)].string));
+        (yyval.expression) = new Number(numeral.toDouble());
+    ;}
+    break;
+
+  case 37:
+#line 349 "WebCore/xml/XPathGrammar.y"
+    {
+        String name = adoptRef((yyvsp[(1) - (3)].string));
+        (yyval.expression) = XPath::Function::create(name).release();
+        if (!(yyval.expression))
+            YYABORT;
+    ;}
+    break;
+
+  case 38:
+#line 357 "WebCore/xml/XPathGrammar.y"
+    {
+        String name = adoptRef((yyvsp[(1) - (4)].string));
+        std::unique_ptr<Vector<std::unique_ptr<Expression>>> argumentList((yyvsp[(3) - (4)].expressionVector));
+        (yyval.expression) = XPath::Function::create(name, WTFMove(*argumentList)).release();
+        if (!(yyval.expression))
+            YYABORT;
+    ;}
+    break;
+
+  case 39:
+#line 368 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expressionVector) = new Vector<std::unique_ptr<Expression>>;
+        (yyval.expressionVector)->append(std::unique_ptr<Expression>((yyvsp[(1) - (1)].expression)));
+    ;}
+    break;
+
+  case 40:
+#line 374 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expressionVector) = (yyvsp[(1) - (3)].expressionVector);
+        (yyval.expressionVector)->append(std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 43:
+#line 388 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new Union(std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 44:
+#line 395 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = (yyvsp[(1) - (1)].locationPath);
+    ;}
+    break;
+
+  case 46:
+#line 402 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyvsp[(3) - (3)].locationPath)->setAbsolute();
+        (yyval.expression) = new Path(std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<LocationPath>((yyvsp[(3) - (3)].locationPath)));
+    ;}
+    break;
+
+  case 47:
+#line 408 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyvsp[(3) - (3)].locationPath)->prependStep(std::unique_ptr<Step>((yyvsp[(2) - (3)].step)));
+        (yyvsp[(3) - (3)].locationPath)->setAbsolute();
+        (yyval.expression) = new Path(std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<LocationPath>((yyvsp[(3) - (3)].locationPath)));
+    ;}
+    break;
+
+  case 49:
+#line 419 "WebCore/xml/XPathGrammar.y"
+    {
+        std::unique_ptr<Vector<std::unique_ptr<Expression>>> predicateList((yyvsp[(2) - (2)].expressionVector));
+        (yyval.expression) = new Filter(std::unique_ptr<Expression>((yyvsp[(1) - (2)].expression)), WTFMove(*predicateList));
+    ;}
+    break;
+
+  case 51:
+#line 429 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new LogicalOp(LogicalOp::OP_Or, std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 53:
+#line 438 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new LogicalOp(LogicalOp::OP_And, std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 55:
+#line 447 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new EqTestOp((yyvsp[(2) - (3)].equalityTestOpcode), std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 57:
+#line 456 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new EqTestOp((yyvsp[(2) - (3)].equalityTestOpcode), std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 59:
+#line 465 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new NumericOp(NumericOp::OP_Add, std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 60:
+#line 470 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new NumericOp(NumericOp::OP_Sub, std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 62:
+#line 479 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new NumericOp((yyvsp[(2) - (3)].numericOpcode), std::unique_ptr<Expression>((yyvsp[(1) - (3)].expression)), std::unique_ptr<Expression>((yyvsp[(3) - (3)].expression)));
+    ;}
+    break;
+
+  case 64:
+#line 488 "WebCore/xml/XPathGrammar.y"
+    {
+        (yyval.expression) = new Negative(std::unique_ptr<Expression>((yyvsp[(2) - (2)].expression)));
+    ;}
+    break;
+
+
+/* Line 1267 of yacc.c.  */
+#line 2049 "./XPathGrammar.cpp"
+      default: break;
+    }
+  YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+
+  *++yyvsp = yyval;
+
+
+  /* Now `shift' the result of the reduction.  Determine what state
+     that goes to, based on the state we popped back to and the rule
+     number reduced by.  */
+
+  yyn = yyr1[yyn];
+
+  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+    yystate = yytable[yystate];
+  else
+    yystate = yydefgoto[yyn - YYNTOKENS];
+
+  goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)
+    {
+      ++yynerrs;
+#if ! YYERROR_VERBOSE
+      yyerror (parser, YY_("syntax error"));
+#else
+      {
+    YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+    if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+      {
+        YYSIZE_T yyalloc = 2 * yysize;
+        if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+          yyalloc = YYSTACK_ALLOC_MAXIMUM;
+        if (yymsg != yymsgbuf)
+          YYSTACK_FREE (yymsg);
+        yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+        if (yymsg)
+          yymsg_alloc = yyalloc;
+        else
+          {
+        yymsg = yymsgbuf;
+        yymsg_alloc = sizeof yymsgbuf;
+          }
+      }
+
+    if (0 < yysize && yysize <= yymsg_alloc)
+      {
+        (void) yysyntax_error (yymsg, yystate, yychar);
+        yyerror (parser, yymsg);
+      }
+    else
+      {
+        yyerror (parser, YY_("syntax error"));
+        if (yysize != 0)
+          goto yyexhaustedlab;
+      }
+      }
+#endif
+    }
+
+
+
+  if (yyerrstatus == 3)
+    {
+      /* If just tried and failed to reuse look-ahead token after an
+     error, discard it.  */
+
+      if (yychar <= YYEOF)
+    {
+      /* Return failure if at end of input.  */
+      if (yychar == YYEOF)
+        YYABORT;
+    }
+      else
+    {
+      yydestruct ("Error: discarding",
+              yytoken, &yylval, parser);
+      yychar = YYEMPTY;
+    }
+    }
+
+  /* Else will try to reuse look-ahead token after shifting the error
+     token.  */
+  goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR.  |
+`---------------------------------------------------*/
+yyerrorlab:
+
+  /* Pacify compilers like GCC when the user code never invokes
+     YYERROR and the label yyerrorlab therefore never appears in user
+     code.  */
+#if COMPILER(CLANG)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunreachable-code"
+#endif
+  if (/*CONSTCOND*/ 0)
+     goto yyerrorlab;
+#if COMPILER(CLANG)
+#pragma clang diagnostic pop
+#endif
+
+  /* Do not reclaim the symbols of the rule which action triggered
+     this YYERROR.  */
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+  yystate = *yyssp;
+  goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR.  |
+`-------------------------------------------------------------*/
+yyerrlab1:
+  yyerrstatus = 3;    /* Each real token shifted decrements this.  */
+
+  for (;;)
+    {
+      yyn = yypact[yystate];
+      if (yyn != YYPACT_NINF)
+    {
+      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)
+    YYABORT;
+
+
+      yydestruct ("Error: popping",
+          yystos[yystate], yyvsp, parser);
+      YYPOPSTACK (1);
+      yystate = *yyssp;
+      YY_STACK_PRINT (yyss, yyssp);
+    }
+
+  if (yyn == YYFINAL)
+    YYACCEPT;
+
+  *++yyvsp = yylval;
+
+
+  /* Shift the error token.  */
+  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
+
+  yystate = yyn;
+  goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here.  |
+`-------------------------------------*/
+yyacceptlab:
+  yyresult = 0;
+  goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here.  |
+`-----------------------------------*/
+yyabortlab:
+  yyresult = 1;
+  goto yyreturn;
+
+#ifndef yyoverflow
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here.  |
+`-------------------------------------------------*/
+yyexhaustedlab:
+  yyerror (parser, YY_("memory exhausted"));
+  yyresult = 2;
+  /* Fall through.  */
+#endif
+
+yyreturn:
+  if (yychar != YYEOF && yychar != YYEMPTY)
+     yydestruct ("Cleanup: discarding lookahead",
+         yytoken, &yylval, parser);
+  /* Do not reclaim the symbols of the rule which action triggered
+     this YYABORT or YYACCEPT.  */
+  YYPOPSTACK (yylen);
+  YY_STACK_PRINT (yyss, yyssp);
+  while (yyssp != yyss)
+    {
+      yydestruct ("Cleanup: popping",
+          yystos[*yyssp], yyvsp, parser);
+      YYPOPSTACK (1);
+    }
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+  if (yymsg != yymsgbuf)
+    YYSTACK_FREE (yymsg);
+#endif
+  /* Make sure YYID is used.  */
+  return YYID (yyresult);
+}
+
+
+#line 493 "WebCore/xml/XPathGrammar.y"
+
+