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Diffstat (limited to 'ext/syck/gram.c')
-rw-r--r-- | ext/syck/gram.c | 1494 |
1 files changed, 1494 insertions, 0 deletions
diff --git a/ext/syck/gram.c b/ext/syck/gram.c new file mode 100644 index 0000000000..5ea28ce621 --- /dev/null +++ b/ext/syck/gram.c @@ -0,0 +1,1494 @@ +/* A Bison parser, made from gram.y, by GNU bison 1.75. */ + +/* Skeleton parser for Yacc-like parsing with Bison, + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* As a special exception, when this file is copied by Bison into a + Bison output file, you may use that output file without restriction. + This special exception was added by the Free Software Foundation + in version 1.24 of Bison. */ + +/* 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 + +/* Pure parsers. */ +#define YYPURE 1 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + ANCHOR = 258, + ALIAS = 259, + TRANSFER = 260, + ITRANSFER = 261, + WORD = 262, + PLAIN = 263, + BLOCK = 264, + DOCSEP = 265, + IOPEN = 266, + INDENT = 267, + IEND = 268 + }; +#endif +#define ANCHOR 258 +#define ALIAS 259 +#define TRANSFER 260 +#define ITRANSFER 261 +#define WORD 262 +#define PLAIN 263 +#define BLOCK 264 +#define DOCSEP 265 +#define IOPEN 266 +#define INDENT 267 +#define IEND 268 + + + + +/* Copy the first part of user declarations. */ +#line 14 "gram.y" + + +#include "syck.h" + +#define YYPARSE_PARAM parser +#define YYLEX_PARAM parser + + + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 1 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +#ifndef YYSTYPE +#line 23 "gram.y" +typedef union { + SYMID nodeId; + SyckNode *nodeData; + char *name; +} yystype; +/* Line 193 of /usr/local/share/bison/yacc.c. */ +#line 114 "y.tab.c" +# define YYSTYPE yystype +# define YYSTYPE_IS_TRIVIAL 1 +#endif + +#ifndef YYLTYPE +typedef struct yyltype +{ + int first_line; + int first_column; + int last_line; + int last_column; +} yyltype; +# define YYLTYPE yyltype +# define YYLTYPE_IS_TRIVIAL 1 +#endif + +/* Copy the second part of user declarations. */ + + +/* Line 213 of /usr/local/share/bison/yacc.c. */ +#line 135 "y.tab.c" + +#if ! defined (yyoverflow) || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# else +# ifndef YYSTACK_USE_ALLOCA +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# else +# if defined (__STDC__) || defined (__cplusplus) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +# define YYSTACK_ALLOC malloc +# define YYSTACK_FREE free +# endif +#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ + + +#if (! defined (yyoverflow) \ + && (! defined (__cplusplus) \ + || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + short yyss; + YYSTYPE yyvs; + }; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAX (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 (short) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAX) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + register YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (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_MAX; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif + +#if defined (__STDC__) || defined (__cplusplus) + typedef signed char yysigned_char; +#else + typedef short yysigned_char; +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 32 +#define YYLAST 132 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 23 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 21 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 46 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 73 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 268 + +#define YYTRANSLATE(X) \ + ((unsigned)(X) <= YYMAXUTOK ? yytranslate[X] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const unsigned char 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, + 2, 2, 2, 16, 21, 14, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 15, 2, + 2, 2, 2, 22, 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, 17, 2, 18, 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, 19, 2, 20, 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 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const unsigned char yyprhs[] = +{ + 0, 0, 3, 5, 8, 9, 11, 13, 16, 18, + 22, 24, 25, 27, 30, 32, 34, 37, 40, 42, + 44, 47, 49, 51, 53, 55, 57, 61, 64, 66, + 70, 73, 77, 80, 82, 86, 90, 94, 96, 102, + 104, 108, 111, 115, 119, 122, 124 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yysigned_char yyrhs[] = +{ + 24, 0, -1, 31, -1, 10, 25, -1, -1, 30, + -1, 31, -1, 3, 25, -1, 4, -1, 27, 25, + 28, -1, 25, -1, -1, 11, -1, 27, 12, -1, + 13, -1, 12, -1, 5, 30, -1, 6, 30, -1, + 7, -1, 8, -1, 5, 31, -1, 9, -1, 32, + -1, 35, -1, 37, -1, 42, -1, 27, 34, 28, + -1, 14, 26, -1, 33, -1, 34, 29, 33, -1, + 34, 29, -1, 17, 36, 18, -1, 17, 18, -1, + 25, -1, 36, 21, 25, -1, 27, 40, 28, -1, + 30, 15, 26, -1, 38, -1, 22, 25, 29, 15, + 26, -1, 39, -1, 40, 29, 39, -1, 40, 29, + -1, 25, 15, 26, -1, 19, 43, 20, -1, 19, + 20, -1, 41, -1, 43, 21, 41, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const unsigned short yyrline[] = +{ + 0, 44, 44, 48, 52, 58, 59, 60, 69, 77, + 83, 84, 102, 103, 106, 109, 117, 122, 130, 143, + 150, 155, 156, 157, 158, 159, 165, 171, 177, 181, + 186, 195, 199, 205, 209, 219, 225, 240, 241, 249, + 250, 255, 264, 272, 276, 282, 283 +}; +#endif + +#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[] = +{ + "$end", "error", "$undefined", "ANCHOR", "ALIAS", "TRANSFER", "ITRANSFER", + "WORD", "PLAIN", "BLOCK", "DOCSEP", "IOPEN", "INDENT", "IEND", "'-'", + "':'", "'+'", "'['", "']'", "'{'", "'}'", "','", "'?'", "$accept", + "doc", "atom", "atom_or_empty", "indent_open", "indent_end", + "indent_sep", "word_rep", "struct_rep", "implicit_seq", "basic_seq", + "in_implicit_seq", "inline_seq", "in_inline_seq", "implicit_map", + "basic_mapping", "complex_mapping", "in_implicit_map", "basic_mapping2", + "inline_map", "in_inline_map", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const unsigned short yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 45, 58, 43, 91, 93, 123, + 125, 44, 63 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const unsigned char yyr1[] = +{ + 0, 23, 24, 24, 24, 25, 25, 25, 25, 25, + 26, 26, 27, 27, 28, 29, 30, 30, 30, 30, + 31, 31, 31, 31, 31, 31, 32, 33, 34, 34, + 34, 35, 35, 36, 36, 37, 38, 39, 39, 40, + 40, 40, 41, 42, 42, 43, 43 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const unsigned char yyr2[] = +{ + 0, 2, 1, 2, 0, 1, 1, 2, 1, 3, + 1, 0, 1, 2, 1, 1, 2, 2, 1, 1, + 2, 1, 1, 1, 1, 1, 3, 2, 1, 3, + 2, 3, 2, 1, 3, 3, 3, 1, 5, 1, + 3, 2, 3, 3, 2, 1, 3 +}; + +/* 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 unsigned char yydefact[] = +{ + 4, 0, 21, 0, 12, 0, 0, 0, 0, 2, + 22, 23, 24, 25, 20, 0, 8, 0, 0, 18, + 19, 3, 0, 5, 6, 32, 33, 0, 44, 0, + 45, 0, 1, 0, 13, 11, 0, 0, 28, 0, + 37, 39, 0, 7, 16, 17, 0, 5, 31, 0, + 11, 43, 0, 10, 27, 0, 11, 15, 14, 26, + 30, 35, 41, 9, 34, 42, 46, 0, 36, 29, + 40, 11, 38 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yysigned_char yydefgoto[] = +{ + -1, 7, 53, 54, 22, 59, 60, 23, 24, 10, + 38, 39, 11, 27, 12, 40, 41, 42, 30, 13, + 31 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -49 +static const yysigned_char yypact[] = +{ + 7, 113, -49, 97, -49, 80, 52, 15, 68, -49, + -49, -49, -49, -49, -49, 97, -49, 104, 88, -49, + -49, -49, 24, -49, -49, -49, -49, 19, -49, 4, + -49, 28, -49, 88, -49, 97, 97, 6, -49, 32, + -49, -49, 32, -49, -49, -49, 26, 6, -49, 97, + 97, -49, 97, -49, -49, 30, 97, -49, -49, -49, + 39, -49, 59, -49, -49, -49, -49, 47, -49, -49, + -49, 97, -49 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yysigned_char yypgoto[] = +{ + -49, -49, -2, -48, 5, -35, 37, -8, 51, -49, + 10, -49, -49, -49, -49, -49, 16, -49, 25, -49, + -49 +}; + +/* 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, parse error. */ +#define YYTABLE_NINF -1 +static const unsigned char yytable[] = +{ + 37, 21, 65, 26, 29, 8, 8, 61, 68, 44, + 45, 63, 1, 43, 47, 32, 2, 3, 4, 50, + 46, 56, 8, 72, 5, 44, 6, 15, 16, 17, + 18, 19, 20, 2, 55, 4, 34, 48, 35, 58, + 49, 5, 57, 6, 57, 58, 36, 64, 51, 52, + 29, 9, 14, 35, 37, 15, 16, 17, 18, 19, + 20, 2, 71, 4, 33, 18, 19, 20, 14, 5, + 69, 6, 28, 33, 18, 19, 20, 66, 70, 62, + 34, 36, 35, 15, 16, 17, 18, 19, 20, 2, + 36, 4, 67, 33, 18, 19, 20, 5, 25, 6, + 15, 16, 17, 18, 19, 20, 2, 0, 4, 17, + 18, 19, 20, 2, 5, 4, 6, 0, 1, 0, + 0, 5, 2, 6, 4, 0, 0, 0, 0, 0, + 5, 0, 6 +}; + +static const yysigned_char yycheck[] = +{ + 8, 3, 50, 5, 6, 0, 1, 42, 56, 17, + 18, 46, 5, 15, 22, 0, 9, 10, 11, 15, + 22, 15, 17, 71, 17, 33, 19, 3, 4, 5, + 6, 7, 8, 9, 36, 11, 12, 18, 14, 13, + 21, 17, 12, 19, 12, 13, 22, 49, 20, 21, + 52, 0, 1, 14, 62, 3, 4, 5, 6, 7, + 8, 9, 15, 11, 5, 6, 7, 8, 17, 17, + 60, 19, 20, 5, 6, 7, 8, 52, 62, 42, + 12, 22, 14, 3, 4, 5, 6, 7, 8, 9, + 22, 11, 55, 5, 6, 7, 8, 17, 18, 19, + 3, 4, 5, 6, 7, 8, 9, -1, 11, 5, + 6, 7, 8, 9, 17, 11, 19, -1, 5, -1, + -1, 17, 9, 19, 11, -1, -1, -1, -1, -1, + 17, -1, 19 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const unsigned char yystos[] = +{ + 0, 5, 9, 10, 11, 17, 19, 24, 27, 31, + 32, 35, 37, 42, 31, 3, 4, 5, 6, 7, + 8, 25, 27, 30, 31, 18, 25, 36, 20, 25, + 41, 43, 0, 5, 12, 14, 22, 30, 33, 34, + 38, 39, 40, 25, 30, 30, 25, 30, 18, 21, + 15, 20, 21, 25, 26, 25, 15, 12, 13, 28, + 29, 28, 29, 28, 25, 26, 41, 29, 26, 33, + 39, 15, 26 +}; + +#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) +# define YYSIZE_T __SIZE_TYPE__ +#endif +#if ! defined (YYSIZE_T) && defined (size_t) +# define YYSIZE_T size_t +#endif +#if ! defined (YYSIZE_T) +# if defined (__STDC__) || defined (__cplusplus) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +#endif +#if ! defined (YYSIZE_T) +# define YYSIZE_T unsigned int +#endif + +#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 yyerrlab1 + +/* 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); \ + yychar1 = YYTRANSLATE (yychar); \ + YYPOPSTACK; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror ("syntax error: cannot back up"); \ + YYERROR; \ + } \ +while (0) + +#define YYTERROR 1 +#define YYERRCODE 256 + +/* YYLLOC_DEFAULT -- Compute the default location (before the actions + are run). */ + +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + Current.first_line = Rhs[1].first_line; \ + Current.first_column = Rhs[1].first_column; \ + Current.last_line = Rhs[N].last_line; \ + Current.last_column = Rhs[N].last_column; +#endif + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, YYLEX_PARAM) +#else +# define YYLEX yylex (&yylval) +#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 (0) +# define YYDSYMPRINT(Args) \ +do { \ + if (yydebug) \ + yysymprint Args; \ +} while (0) +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YYDSYMPRINT(Args) +#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 + SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#if YYMAXDEPTH == 0 +# undef YYMAXDEPTH +#endif + +#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. */ +static YYSIZE_T +# if defined (__STDC__) || defined (__cplusplus) +yystrlen (const char *yystr) +# else +yystrlen (yystr) + const char *yystr; +# endif +{ + register const char *yys = yystr; + + while (*yys++ != '\0') + continue; + + return yys - yystr - 1; +} +# 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. */ +static char * +# if defined (__STDC__) || defined (__cplusplus) +yystpcpy (char *yydest, const char *yysrc) +# else +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +# endif +{ + register char *yyd = yydest; + register const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +#endif /* !YYERROR_VERBOSE */ + + + +#if YYDEBUG +/*-----------------------------. +| Print this symbol on YYOUT. | +`-----------------------------*/ + +static void +#if defined (__STDC__) || defined (__cplusplus) +yysymprint (FILE* yyout, int yytype, YYSTYPE yyvalue) +#else +yysymprint (yyout, yytype, yyvalue) + FILE* yyout; + int yytype; + YYSTYPE yyvalue; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvalue; + + if (yytype < YYNTOKENS) + { + YYFPRINTF (yyout, "token %s (", yytname[yytype]); +# ifdef YYPRINT + YYPRINT (yyout, yytoknum[yytype], yyvalue); +# endif + } + else + YYFPRINTF (yyout, "nterm %s (", yytname[yytype]); + + switch (yytype) + { + default: + break; + } + YYFPRINTF (yyout, ")"); +} +#endif /* YYDEBUG. */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +#if defined (__STDC__) || defined (__cplusplus) +yydestruct (int yytype, YYSTYPE yyvalue) +#else +yydestruct (yytype, yyvalue) + int yytype; + YYSTYPE yyvalue; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvalue; + + switch (yytype) + { + default: + break; + } +} + + + +/* 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. + Grammar actions can access the variable by casting it + to the proper pointer type. */ + +#ifdef YYPARSE_PARAM +# if defined (__STDC__) || defined (__cplusplus) +# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM +# define YYPARSE_PARAM_DECL +# else +# define YYPARSE_PARAM_ARG YYPARSE_PARAM +# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; +# endif +#else /* !YYPARSE_PARAM */ +# define YYPARSE_PARAM_ARG +# define YYPARSE_PARAM_DECL +#endif /* !YYPARSE_PARAM */ + +/* Prevent warning if -Wstrict-prototypes. */ +#ifdef __GNUC__ +# ifdef YYPARSE_PARAM +int yyparse (void *); +# else +int yyparse (void); +# endif +#endif + + + + +int +yyparse (YYPARSE_PARAM_ARG) + YYPARSE_PARAM_DECL +{ + /* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of parse errors so far. */ +int yynerrs; + + register int yystate; + register int yyn; + int yyresult; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + /* Lookahead token as an internal (translated) token number. */ + int yychar1 = 0; + + /* 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. */ + short yyssa[YYINITDEPTH]; + short *yyss = yyssa; + register short *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + register YYSTYPE *yyvsp; + + + +#define YYPOPSTACK (yyvsp--, yyssp--) + + YYSIZE_T yystacksize = YYINITDEPTH; + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + /* When reducing, the number of symbols on the RHS of the reduced + rule. */ + int yylen; + + 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 (yyssp >= yyss + yystacksize - 1) + { + /* 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; + short *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 ("parser stack overflow", + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyoverflowlab; +# else + /* Extend the stack our own way. */ + if (yystacksize >= YYMAXDEPTH) + goto yyoverflowlab; + yystacksize *= 2; + if (yystacksize > YYMAXDEPTH) + yystacksize = YYMAXDEPTH; + + { + short *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyoverflowlab; + 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 (yyssp >= yyss + yystacksize - 1) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + +/* Do appropriate processing given the current state. */ +/* Read a lookahead token if we need one and don't already have one. */ +/* yyresume: */ + + /* First try to decide what to do without reference to lookahead token. */ + + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* yychar is either YYEMPTY or YYEOF + or a valid token in external form. */ + + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + /* Convert token to internal form (in yychar1) for indexing tables with. */ + + if (yychar <= 0) /* This means end of input. */ + { + yychar1 = 0; + yychar = YYEOF; /* Don't call YYLEX any more. */ + + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yychar1 = YYTRANSLATE (yychar); + + /* We have to keep this `#if YYDEBUG', since we use variables + which are defined only if `YYDEBUG' is set. */ + YYDPRINTF ((stderr, "Next token is ")); + YYDSYMPRINT ((stderr, yychar1, yylval)); + YYDPRINTF ((stderr, "\n")); + } + + /* If the proper action on seeing token YYCHAR1 is to reduce or to + detect an error, take that action. */ + yyn += yychar1; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + if (yyn == YYFINAL) + YYACCEPT; + + /* Shift the lookahead token. */ + YYDPRINTF ((stderr, "Shifting token %d (%s), ", + yychar, yytname[yychar1])); + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; + + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + yystate = yyn; + 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]; + + + +#if YYDEBUG + /* We have to keep this `#if YYDEBUG', since we use variables which + are defined only if `YYDEBUG' is set. */ + if (yydebug) + { + int yyi; + + 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 (stderr, "%s ", yytname[yyrhs[yyi]]); + YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); + } +#endif + switch (yyn) + { + case 2: +#line 45 "gram.y" + { + ((SyckParser *)parser)->root = syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ); + } + break; + + case 3: +#line 49 "gram.y" + { + ((SyckParser *)parser)->root = syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ); + } + break; + + case 4: +#line 53 "gram.y" + { + ((SyckParser *)parser)->eof = 1; + } + break; + + case 7: +#line 61 "gram.y" + { + /* + * _Anchors_: The language binding must keep a separate symbol table + * for anchors. The actual ID in the symbol table is returned to the + * higher nodes, though. + */ + yyval.nodeData = syck_hdlr_add_anchor( (SyckParser *)parser, yyvsp[-1].name, yyvsp[0].nodeData ); + } + break; + + case 8: +#line 70 "gram.y" + { + /* + * _Aliases_: The anchor symbol table is scanned for the anchor name. + * The anchor's ID in the language's symbol table is returned. + */ + yyval.nodeData = syck_hdlr_add_alias( (SyckParser *)parser, yyvsp[0].name ); + } + break; + + case 9: +#line 78 "gram.y" + { + yyval.nodeData = yyvsp[-1].nodeData; + } + break; + + case 11: +#line 85 "gram.y" + { + SyckNode *n = syck_new_str( "" ); + if ( ((SyckParser *)parser)->taguri_expansion == 1 ) + { + syck_taguri( n, "yaml.org,2002", "null", 4 ); + } + else + { + n->type_id = syck_strndup( "null", 4 ); + } + yyval.nodeData = n; + } + break; + + case 16: +#line 118 "gram.y" + { + syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion ); + yyval.nodeData = yyvsp[0].nodeData; + } + break; + + case 17: +#line 123 "gram.y" + { + if ( ((SyckParser *)parser)->implicit_typing == 1 ) + { + try_tag_implicit( yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion ); + } + yyval.nodeData = yyvsp[0].nodeData; + } + break; + + case 18: +#line 131 "gram.y" + { + SyckNode *n = yyvsp[0].nodeData; + if ( ((SyckParser *)parser)->taguri_expansion == 1 ) + { + syck_taguri( n, "yaml.org,2002", "str", 3 ); + } + else + { + n->type_id = syck_strndup( "str", 3 ); + } + yyval.nodeData = n; + } + break; + + case 20: +#line 151 "gram.y" + { + syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion ); + yyval.nodeData = yyvsp[0].nodeData; + } + break; + + case 26: +#line 166 "gram.y" + { + yyval.nodeData = yyvsp[-1].nodeData; + } + break; + + case 27: +#line 172 "gram.y" + { + yyval.nodeId = syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ); + } + break; + + case 28: +#line 178 "gram.y" + { + yyval.nodeData = syck_new_seq( yyvsp[0].nodeId ); + } + break; + + case 29: +#line 182 "gram.y" + { + syck_seq_add( yyvsp[-2].nodeData, yyvsp[0].nodeId ); + yyval.nodeData = yyvsp[-2].nodeData; + } + break; + + case 30: +#line 187 "gram.y" + { + yyval.nodeData = yyvsp[-1].nodeData; + } + break; + + case 31: +#line 196 "gram.y" + { + yyval.nodeData = yyvsp[-1].nodeData; + } + break; + + case 32: +#line 200 "gram.y" + { + yyval.nodeData = syck_alloc_seq(); + } + break; + + case 33: +#line 206 "gram.y" + { + yyval.nodeData = syck_new_seq( syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ) ); + } + break; + + case 34: +#line 210 "gram.y" + { + syck_seq_add( yyvsp[-2].nodeData, syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ) ); + yyval.nodeData = yyvsp[-2].nodeData; + } + break; + + case 35: +#line 220 "gram.y" + { + yyval.nodeData = yyvsp[-1].nodeData; + } + break; + + case 36: +#line 226 "gram.y" + { + yyval.nodeData = syck_new_map( + syck_hdlr_add_node( (SyckParser *)parser, yyvsp[-2].nodeData ), + syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ) ); + } + break; + + case 38: +#line 242 "gram.y" + { + yyval.nodeData = syck_new_map( + syck_hdlr_add_node( (SyckParser *)parser, yyvsp[-3].nodeData ), + syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ) ); + } + break; + + case 40: +#line 251 "gram.y" + { + syck_map_update( yyvsp[-2].nodeData, yyvsp[0].nodeData ); + yyval.nodeData = yyvsp[-2].nodeData; + } + break; + + case 41: +#line 256 "gram.y" + { + yyval.nodeData = yyvsp[-1].nodeData; + } + break; + + case 42: +#line 265 "gram.y" + { + yyval.nodeData = syck_new_map( + syck_hdlr_add_node( (SyckParser *)parser, yyvsp[-2].nodeData ), + syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ) ); + } + break; + + case 43: +#line 273 "gram.y" + { + yyval.nodeData = yyvsp[-1].nodeData; + } + break; + + case 44: +#line 277 "gram.y" + { + yyval.nodeData = syck_alloc_map(); + } + break; + + case 46: +#line 284 "gram.y" + { + syck_map_update( yyvsp[-2].nodeData, yyvsp[0].nodeData ); + yyval.nodeData = yyvsp[-2].nodeData; + } + break; + + + } + +/* Line 1016 of /usr/local/share/bison/yacc.c. */ +#line 1273 "y.tab.c" + + yyvsp -= yylen; + yyssp -= yylen; + + +#if YYDEBUG + if (yydebug) + { + short *yyssp1 = yyss - 1; + YYFPRINTF (stderr, "state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (stderr, " %d", *++yyssp1); + YYFPRINTF (stderr, "\n"); + } +#endif + + *++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 + yyn = yypact[yystate]; + + if (YYPACT_NINF < yyn && yyn < YYLAST) + { + YYSIZE_T yysize = 0; + int yytype = YYTRANSLATE (yychar); + char *yymsg; + int yyx, yycount; + + yycount = 0; + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + yysize += yystrlen (yytname[yyx]) + 15, yycount++; + yysize += yystrlen ("parse error, unexpected ") + 1; + yysize += yystrlen (yytname[yytype]); + yymsg = (char *) YYSTACK_ALLOC (yysize); + if (yymsg != 0) + { + char *yyp = yystpcpy (yymsg, "parse error, unexpected "); + yyp = yystpcpy (yyp, yytname[yytype]); + + if (yycount < 5) + { + yycount = 0; + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); + yyx++) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + const char *yyq = ! yycount ? ", expecting " : " or "; + yyp = yystpcpy (yyp, yyq); + yyp = yystpcpy (yyp, yytname[yyx]); + yycount++; + } + } + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("parse error; also virtual memory exhausted"); + } + else +#endif /* YYERROR_VERBOSE */ + yyerror ("parse error"); + } + goto yyerrlab1; + + +/*----------------------------------------------------. +| yyerrlab1 -- error raised explicitly by an action. | +`----------------------------------------------------*/ +yyerrlab1: + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + /* Return failure if at end of input. */ + if (yychar == YYEOF) + { + /* Pop the error token. */ + YYPOPSTACK; + /* Pop the rest of the stack. */ + while (yyssp > yyss) + { + YYDPRINTF ((stderr, "Error: popping ")); + YYDSYMPRINT ((stderr, + yystos[*yyssp], + *yyvsp)); + YYDPRINTF ((stderr, "\n")); + yydestruct (yystos[*yyssp], *yyvsp); + YYPOPSTACK; + } + YYABORT; + } + + YYDPRINTF ((stderr, "Discarding token %d (%s).\n", + yychar, yytname[yychar1])); + yydestruct (yychar1, yylval); + yychar = YYEMPTY; + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + + 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; + + YYDPRINTF ((stderr, "Error: popping ")); + YYDSYMPRINT ((stderr, + yystos[*yyssp], *yyvsp)); + YYDPRINTF ((stderr, "\n")); + + yydestruct (yystos[yystate], *yyvsp); + yyvsp--; + yystate = *--yyssp; + + +#if YYDEBUG + if (yydebug) + { + short *yyssp1 = yyss - 1; + YYFPRINTF (stderr, "Error: state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (stderr, " %d", *++yyssp1); + YYFPRINTF (stderr, "\n"); + } +#endif + } + + if (yyn == YYFINAL) + YYACCEPT; + + YYDPRINTF ((stderr, "Shifting error token, ")); + + *++yyvsp = yylval; + + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#ifndef yyoverflow +/*----------------------------------------------. +| yyoverflowlab -- parser overflow comes here. | +`----------------------------------------------*/ +yyoverflowlab: + yyerror ("parser stack overflow"); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + return yyresult; +} + + +#line 290 "gram.y" + + + |