X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8e4900ef405e04a30ca46cbcabafe4bfe3c0bf79..0ced3098fd97e1483b4ac938bdce99bfc7942539:/src/parse-gram.c diff --git a/src/parse-gram.c b/src/parse-gram.c index f7125743..c2f4f27f 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,7 +1,7 @@ -/* A Bison parser, made by GNU Bison 1.875. */ +/* A Bison parser, made by GNU Bison 1.875c. */ /* Skeleton parser for Yacc-like parsing with Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 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 @@ -78,34 +78,38 @@ PERCENT_DPREC = 270, PERCENT_MERGE = 271, PERCENT_DEBUG = 272, - PERCENT_DEFINE = 273, - PERCENT_DEFINES = 274, - PERCENT_ERROR_VERBOSE = 275, - PERCENT_EXPECT = 276, - PERCENT_FILE_PREFIX = 277, - PERCENT_GLR_PARSER = 278, - PERCENT_LEX_PARAM = 279, - PERCENT_LOCATIONS = 280, - PERCENT_NAME_PREFIX = 281, - PERCENT_NO_LINES = 282, - PERCENT_OUTPUT = 283, - PERCENT_PARSE_PARAM = 284, - PERCENT_PURE_PARSER = 285, - PERCENT_SKELETON = 286, - PERCENT_START = 287, - PERCENT_TOKEN_TABLE = 288, - PERCENT_VERBOSE = 289, - PERCENT_YACC = 290, - TYPE = 291, - EQUAL = 292, - SEMICOLON = 293, - PIPE = 294, - ID = 295, - ID_COLON = 296, - PERCENT_PERCENT = 297, - PROLOGUE = 298, - EPILOGUE = 299, - BRACED_CODE = 300 + PERCENT_DEFAULT_PREC = 273, + PERCENT_DEFINE = 274, + PERCENT_DEFINES = 275, + PERCENT_ERROR_VERBOSE = 276, + PERCENT_EXPECT = 277, + PERCENT_FILE_PREFIX = 278, + PERCENT_GLR_PARSER = 279, + PERCENT_INITIAL_ACTION = 280, + PERCENT_LEX_PARAM = 281, + PERCENT_LOCATIONS = 282, + PERCENT_NAME_PREFIX = 283, + PERCENT_NO_DEFAULT_PREC = 284, + PERCENT_NO_LINES = 285, + PERCENT_NONDETERMINISTIC_PARSER = 286, + PERCENT_OUTPUT = 287, + PERCENT_PARSE_PARAM = 288, + PERCENT_PURE_PARSER = 289, + PERCENT_SKELETON = 290, + PERCENT_START = 291, + PERCENT_TOKEN_TABLE = 292, + PERCENT_VERBOSE = 293, + PERCENT_YACC = 294, + TYPE = 295, + EQUAL = 296, + SEMICOLON = 297, + PIPE = 298, + ID = 299, + ID_COLON = 300, + PERCENT_PERCENT = 301, + PROLOGUE = 302, + EPILOGUE = 303, + BRACED_CODE = 304 }; #endif #define GRAM_EOF 0 @@ -124,40 +128,44 @@ #define PERCENT_DPREC 270 #define PERCENT_MERGE 271 #define PERCENT_DEBUG 272 -#define PERCENT_DEFINE 273 -#define PERCENT_DEFINES 274 -#define PERCENT_ERROR_VERBOSE 275 -#define PERCENT_EXPECT 276 -#define PERCENT_FILE_PREFIX 277 -#define PERCENT_GLR_PARSER 278 -#define PERCENT_LEX_PARAM 279 -#define PERCENT_LOCATIONS 280 -#define PERCENT_NAME_PREFIX 281 -#define PERCENT_NO_LINES 282 -#define PERCENT_OUTPUT 283 -#define PERCENT_PARSE_PARAM 284 -#define PERCENT_PURE_PARSER 285 -#define PERCENT_SKELETON 286 -#define PERCENT_START 287 -#define PERCENT_TOKEN_TABLE 288 -#define PERCENT_VERBOSE 289 -#define PERCENT_YACC 290 -#define TYPE 291 -#define EQUAL 292 -#define SEMICOLON 293 -#define PIPE 294 -#define ID 295 -#define ID_COLON 296 -#define PERCENT_PERCENT 297 -#define PROLOGUE 298 -#define EPILOGUE 299 -#define BRACED_CODE 300 +#define PERCENT_DEFAULT_PREC 273 +#define PERCENT_DEFINE 274 +#define PERCENT_DEFINES 275 +#define PERCENT_ERROR_VERBOSE 276 +#define PERCENT_EXPECT 277 +#define PERCENT_FILE_PREFIX 278 +#define PERCENT_GLR_PARSER 279 +#define PERCENT_INITIAL_ACTION 280 +#define PERCENT_LEX_PARAM 281 +#define PERCENT_LOCATIONS 282 +#define PERCENT_NAME_PREFIX 283 +#define PERCENT_NO_DEFAULT_PREC 284 +#define PERCENT_NO_LINES 285 +#define PERCENT_NONDETERMINISTIC_PARSER 286 +#define PERCENT_OUTPUT 287 +#define PERCENT_PARSE_PARAM 288 +#define PERCENT_PURE_PARSER 289 +#define PERCENT_SKELETON 290 +#define PERCENT_START 291 +#define PERCENT_TOKEN_TABLE 292 +#define PERCENT_VERBOSE 293 +#define PERCENT_YACC 294 +#define TYPE 295 +#define EQUAL 296 +#define SEMICOLON 297 +#define PIPE 298 +#define ID 299 +#define ID_COLON 300 +#define PERCENT_PERCENT 301 +#define PROLOGUE 302 +#define EPILOGUE 303 +#define BRACED_CODE 304 /* Copy the first part of user declarations. */ -#line 31 "parse-gram.y" +#line 32 "parse-gram.y" #include "system.h" @@ -171,9 +179,6 @@ #include "reader.h" #include "symlist.h" -/* Produce verbose syntax errors. */ -#define YYERROR_VERBOSE 1 - #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N) static YYLTYPE lloc_default (YYLTYPE const *, int); @@ -208,11 +213,11 @@ int current_prec = 0; # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else -# define YYERROR_VERBOSE 0 +# define YYERROR_VERBOSE 1 #endif #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) -#line 74 "parse-gram.y" +#line 80 "parse-gram.y" typedef union YYSTYPE { symbol *symbol; symbol_list *list; @@ -222,7 +227,7 @@ typedef union YYSTYPE { uniqstr uniqstr; } YYSTYPE; /* Line 191 of yacc.c. */ -#line 225 "parse-gram.c" +#line 231 "parse-gram.c" # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 # define YYSTYPE_IS_TRIVIAL 1 @@ -246,22 +251,29 @@ typedef struct YYLTYPE /* Line 214 of yacc.c. */ -#line 249 "parse-gram.c" +#line 255 "parse-gram.c" #if ! defined (yyoverflow) || YYERROR_VERBOSE +# ifndef YYFREE +# define YYFREE free +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# endif + /* The parser invokes alloca or malloc; define the necessary symbols. */ -# if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# endif # else -# ifndef YYSTACK_USE_ALLOCA -# if defined (alloca) || defined (_ALLOCA_H) -# define YYSTACK_ALLOC alloca -# else -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# endif +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca # endif # endif # endif @@ -274,15 +286,16 @@ typedef struct YYLTYPE # include /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # endif -# define YYSTACK_ALLOC malloc -# define YYSTACK_FREE free +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE # endif #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ #if (! defined (yyoverflow) \ && (! defined (__cplusplus) \ - || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \ + && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union yyalloc @@ -304,7 +317,7 @@ union yyalloc /* Copy COUNT objects from FROM to TO. The source and destination do not overlap. */ # ifndef YYCOPY -# if 1 < __GNUC__ +# if defined (__GNUC__) && 1 < __GNUC__ # define YYCOPY(To, From, Count) \ __builtin_memcpy (To, From, (Count) * sizeof (*(From))) # else @@ -346,20 +359,20 @@ union yyalloc /* YYFINAL -- State number of the termination state. */ #define YYFINAL 3 /* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 157 +#define YYLAST 156 /* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 46 +#define YYNTOKENS 50 /* YYNNTS -- Number of nonterminals. */ #define YYNNTS 25 /* YYNRULES -- Number of rules. */ -#define YYNRULES 74 +#define YYNRULES 78 /* YYNRULES -- Number of states. */ -#define YYNSTATES 101 +#define YYNSTATES 106 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 300 +#define YYMAXUTOK 304 #define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) @@ -397,7 +410,7 @@ static const unsigned char yytranslate[] = 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, - 45 + 45, 46, 47, 48, 49 }; #if YYDEBUG @@ -406,50 +419,51 @@ static const unsigned char yytranslate[] = static const unsigned char yyprhs[] = { 0, 0, 3, 8, 9, 12, 14, 16, 18, 22, - 24, 26, 29, 33, 35, 37, 39, 43, 45, 49, - 51, 53, 56, 58, 60, 62, 64, 66, 68, 71, - 73, 76, 79, 80, 84, 85, 89, 93, 97, 99, - 101, 103, 104, 106, 108, 111, 113, 115, 118, 121, - 125, 127, 130, 132, 135, 137, 139, 142, 144, 145, - 149, 151, 155, 156, 159, 162, 166, 170, 174, 176, - 178, 180, 182, 184, 185 + 24, 26, 29, 33, 35, 37, 39, 41, 45, 47, + 49, 53, 55, 57, 60, 62, 64, 66, 68, 70, + 72, 75, 77, 80, 83, 85, 87, 88, 92, 93, + 97, 101, 105, 107, 109, 111, 112, 114, 116, 119, + 121, 123, 126, 129, 133, 135, 138, 140, 143, 145, + 148, 151, 152, 156, 158, 162, 165, 166, 169, 172, + 176, 180, 184, 186, 188, 190, 192, 194, 195 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const yysigned_char yyrhs[] = { - 47, 0, -1, 48, 42, 60, 70, -1, -1, 48, - 49, -1, 50, -1, 43, -1, 17, -1, 18, 69, - 69, -1, 19, -1, 20, -1, 21, 4, -1, 22, - 37, 69, -1, 23, -1, 24, -1, 25, -1, 26, - 37, 69, -1, 27, -1, 28, 37, 69, -1, 29, - -1, 30, -1, 31, 69, -1, 33, -1, 34, -1, - 35, -1, 38, -1, 54, -1, 51, -1, 32, 66, - -1, 10, -1, 8, 57, -1, 9, 57, -1, -1, - 6, 52, 59, -1, -1, 5, 53, 59, -1, 7, - 36, 57, -1, 55, 56, 57, -1, 11, -1, 12, - -1, 13, -1, -1, 36, -1, 66, -1, 57, 66, - -1, 36, -1, 40, -1, 40, 4, -1, 40, 68, - -1, 40, 4, 68, -1, 58, -1, 59, 58, -1, - 61, -1, 60, 61, -1, 62, -1, 50, -1, 1, - 38, -1, 38, -1, -1, 41, 63, 64, -1, 65, - -1, 64, 39, 65, -1, -1, 65, 66, -1, 65, - 67, -1, 65, 14, 66, -1, 65, 15, 4, -1, - 65, 16, 36, -1, 40, -1, 68, -1, 45, -1, - 3, -1, 3, -1, -1, 42, 44, -1 + 51, 0, -1, 52, 46, 64, 74, -1, -1, 52, + 53, -1, 54, -1, 47, -1, 17, -1, 19, 73, + 73, -1, 20, -1, 21, -1, 22, 4, -1, 23, + 41, 73, -1, 24, -1, 25, -1, 26, -1, 27, + -1, 28, 41, 73, -1, 30, -1, 31, -1, 32, + 41, 73, -1, 33, -1, 34, -1, 35, 73, -1, + 37, -1, 38, -1, 39, -1, 42, -1, 58, -1, + 55, -1, 36, 70, -1, 10, -1, 8, 61, -1, + 9, 61, -1, 18, -1, 29, -1, -1, 6, 56, + 63, -1, -1, 5, 57, 63, -1, 7, 40, 61, + -1, 59, 60, 61, -1, 11, -1, 12, -1, 13, + -1, -1, 40, -1, 70, -1, 61, 70, -1, 40, + -1, 44, -1, 44, 4, -1, 44, 72, -1, 44, + 4, 72, -1, 62, -1, 63, 62, -1, 65, -1, + 64, 65, -1, 66, -1, 54, 42, -1, 1, 42, + -1, -1, 45, 67, 68, -1, 69, -1, 68, 43, + 69, -1, 68, 42, -1, -1, 69, 70, -1, 69, + 71, -1, 69, 14, 70, -1, 69, 15, 4, -1, + 69, 16, 40, -1, 44, -1, 72, -1, 49, -1, + 3, -1, 3, -1, -1, 46, 48, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const unsigned short yyrline[] = { - 0, 160, 160, 168, 170, 174, 175, 176, 177, 178, - 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, - 189, 190, 191, 192, 193, 194, 198, 199, 200, 204, - 210, 217, 227, 227, 232, 232, 237, 247, 262, 263, - 264, 268, 269, 275, 276, 281, 285, 290, 296, 302, - 313, 314, 323, 324, 330, 331, 336, 340, 344, 344, - 348, 349, 354, 355, 357, 359, 361, 363, 368, 369, - 373, 379, 388, 395, 397 + 0, 172, 172, 180, 182, 186, 187, 188, 189, 190, + 191, 192, 193, 194, 199, 203, 204, 205, 206, 207, + 208, 209, 210, 211, 212, 213, 214, 215, 219, 220, + 221, 225, 231, 238, 245, 249, 256, 256, 261, 261, + 266, 276, 291, 292, 293, 297, 298, 304, 305, 310, + 314, 319, 325, 331, 342, 343, 352, 353, 359, 360, + 365, 372, 372, 376, 377, 378, 383, 384, 386, 388, + 390, 392, 397, 398, 402, 408, 417, 424, 426 }; #endif @@ -458,22 +472,23 @@ static const unsigned short yyrline[] = First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { - "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"", - "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"", - "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"", - "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"", - "\"%define\"", "\"%defines\"", "\"%error-verbose\"", "\"%expect\"", - "\"%file-prefix\"", "\"%glr-parser\"", "\"%lex-param {...}\"", - "\"%locations\"", "\"%name-prefix\"", "\"%no-lines\"", "\"%output\"", - "\"%parse-param {...}\"", "\"%pure-parser\"", "\"%skeleton\"", - "\"%start\"", "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", - "\"type\"", "\"=\"", "\";\"", "\"|\"", "\"identifier\"", - "\"identifier:\"", "\"%%\"", "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", - "$accept", "input", "declarations", "declaration", - "grammar_declaration", "symbol_declaration", "@1", "@2", - "precedence_declaration", "precedence_declarator", "type.opt", - "symbols.1", "symbol_def", "symbol_defs.1", "grammar", - "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs", + "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"", + "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"", + "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"", + "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"", + "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"", + "\"%expect\"", "\"%file-prefix\"", "\"%glr-parser\"", + "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"", + "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"", + "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"", + "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"", + "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"", + "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"", + "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations", + "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2", + "precedence_declaration", "precedence_declarator", "type.opt", + "symbols.1", "symbol_def", "symbol_defs.1", "grammar", + "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs", "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0 }; #endif @@ -487,34 +502,34 @@ static const unsigned short yytoknum[] = 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, - 295, 296, 297, 298, 299, 300 + 295, 296, 297, 298, 299, 300, 301, 302, 303, 304 }; # endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const unsigned char yyr1[] = { - 0, 46, 47, 48, 48, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 50, 50, 50, 50, - 50, 50, 52, 51, 53, 51, 51, 54, 55, 55, - 55, 56, 56, 57, 57, 58, 58, 58, 58, 58, - 59, 59, 60, 60, 61, 61, 61, 61, 63, 62, - 64, 64, 65, 65, 65, 65, 65, 65, 66, 66, - 67, 68, 69, 70, 70 + 0, 50, 51, 52, 52, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, 54, 54, + 54, 54, 54, 54, 54, 54, 56, 55, 57, 55, + 55, 58, 59, 59, 59, 60, 60, 61, 61, 62, + 62, 62, 62, 62, 63, 63, 64, 64, 65, 65, + 65, 67, 66, 68, 68, 68, 69, 69, 69, 69, + 69, 69, 70, 70, 71, 72, 73, 74, 74 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ static const unsigned char yyr2[] = { 0, 2, 4, 0, 2, 1, 1, 1, 3, 1, - 1, 2, 3, 1, 1, 1, 3, 1, 3, 1, - 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, - 2, 2, 0, 3, 0, 3, 3, 3, 1, 1, - 1, 0, 1, 1, 2, 1, 1, 2, 2, 3, - 1, 2, 1, 2, 1, 1, 2, 1, 0, 3, - 1, 3, 0, 2, 2, 3, 3, 3, 1, 1, - 1, 1, 1, 0, 2 + 1, 2, 3, 1, 1, 1, 1, 3, 1, 1, + 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, + 2, 1, 2, 2, 1, 1, 0, 3, 0, 3, + 3, 3, 1, 1, 1, 0, 1, 1, 2, 1, + 1, 2, 2, 3, 1, 2, 1, 2, 1, 2, + 2, 0, 3, 1, 3, 2, 0, 2, 2, 3, + 3, 3, 1, 1, 1, 1, 1, 0, 2 }; /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state @@ -522,113 +537,113 @@ static const unsigned char yyr2[] = means the default is an error. */ static const unsigned char yydefact[] = { - 3, 0, 0, 1, 34, 32, 0, 0, 0, 29, - 38, 39, 40, 7, 0, 9, 10, 0, 0, 13, - 14, 15, 0, 17, 0, 19, 20, 0, 0, 22, - 23, 24, 25, 0, 6, 4, 5, 27, 26, 41, - 0, 0, 0, 71, 68, 30, 43, 69, 31, 72, - 0, 11, 0, 0, 0, 21, 28, 0, 57, 58, - 55, 0, 52, 54, 42, 0, 45, 46, 50, 35, - 33, 36, 44, 8, 12, 16, 18, 56, 62, 0, - 53, 2, 37, 47, 48, 51, 59, 60, 74, 49, - 62, 0, 0, 0, 70, 63, 64, 61, 65, 66, - 67 + 3, 0, 0, 1, 38, 36, 0, 0, 0, 31, + 42, 43, 44, 7, 34, 0, 9, 10, 0, 0, + 13, 14, 15, 16, 0, 35, 18, 19, 0, 21, + 22, 0, 0, 24, 25, 26, 27, 0, 6, 4, + 5, 29, 28, 45, 0, 0, 0, 75, 72, 32, + 47, 73, 33, 76, 0, 11, 0, 0, 0, 23, + 30, 0, 61, 0, 0, 56, 58, 46, 0, 49, + 50, 54, 39, 37, 40, 48, 8, 12, 17, 20, + 60, 66, 59, 0, 57, 2, 41, 51, 52, 55, + 62, 63, 78, 53, 65, 66, 0, 0, 0, 74, + 67, 68, 64, 69, 70, 71 }; /* YYDEFGOTO[NTERM-NUM]. */ static const yysigned_char yydefgoto[] = { - -1, 1, 2, 35, 60, 37, 41, 40, 38, 39, - 65, 45, 68, 69, 61, 62, 63, 78, 86, 87, - 46, 96, 47, 50, 81 + -1, 1, 2, 39, 63, 41, 45, 44, 42, 43, + 68, 49, 71, 72, 64, 65, 66, 81, 90, 91, + 50, 101, 51, 54, 85 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ -#define YYPACT_NINF -65 +#define YYPACT_NINF -67 static const yysigned_char yypact[] = { - -65, 5, 114, -65, -65, -65, -24, 1, 1, -65, - -65, -65, -65, -65, 10, -65, -65, 11, -23, -65, - -65, -65, -21, -65, -15, -65, -65, 10, 1, -65, - -65, -65, -65, 77, -65, -65, -65, -65, -65, -13, - -34, -34, 1, -65, -65, 1, -65, -65, 1, -65, - 10, -65, 10, 10, 10, -65, -65, -17, -65, -65, - -65, 39, -65, -65, -65, 1, -65, 4, -65, -34, - -34, 1, -65, -65, -65, -65, -65, -65, -65, -20, - -65, -65, 1, 22, -65, -65, -12, 15, -65, -65, - -65, 1, 24, -10, -65, -65, -65, 15, -65, -65, - -65 + -67, 8, 109, -67, -67, -67, -30, 0, 0, -67, + -67, -67, -67, -67, -67, 13, -67, -67, 20, -16, + -67, -67, -67, -67, -15, -67, -67, -67, -5, -67, + -67, 13, 0, -67, -67, -67, -67, 68, -67, -67, + -67, -67, -67, -3, -35, -35, 0, -67, -67, 0, + -67, -67, 0, -67, 13, -67, 13, 13, 13, -67, + -67, -4, -67, 4, 22, -67, -67, -67, 0, -67, + 3, -67, -35, -35, 0, -67, -67, -67, -67, -67, + -67, -67, -67, 1, -67, -67, 0, 38, -67, -67, + -31, -1, -67, -67, -67, -67, 0, 41, 7, -67, + -67, -67, -1, -67, -67, -67 }; /* YYPGOTO[NTERM-NUM]. */ static const yysigned_char yypgoto[] = { - -65, -65, -65, -65, 30, -65, -65, -65, -65, -65, - -65, -7, -60, -8, -65, -19, -65, -65, -65, -37, - -28, -65, -64, -16, -65 + -67, -67, -67, -67, 48, -67, -67, -67, -67, -67, + -67, -7, -54, 10, -67, -12, -67, -67, -67, -42, + -32, -67, -66, 31, -67 }; /* 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 -74 +#define YYTABLE_NINF -78 static const yysigned_char yytable[] = { - 56, 48, 66, 84, 43, 3, 67, 43, 83, 85, - 85, 55, 42, 49, 52, 51, 53, 72, 43, 89, - 72, 77, 54, 64, 88, 43, 100, 90, 99, 91, - 92, 93, 36, 70, 73, 71, 74, 75, 76, -73, - 57, 44, 80, 72, 4, 5, 6, 7, 8, 9, - 10, 11, 12, 97, 72, 44, 0, 0, 82, 95, - 94, 0, 0, 98, 0, 0, 0, 0, 0, 95, - 0, 28, 0, 0, 0, 0, 0, 58, 57, 0, - 59, 79, 4, 5, 6, 7, 8, 9, 10, 11, - 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, - 0, 0, 0, 0, 0, 58, 0, 0, 59, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, - 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, - 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 0, 0, 32, 0, 0, 0, 33, 34 + 60, 52, 47, 47, 88, 69, 47, 87, 3, 70, + 46, 94, 95, 96, 97, 98, 53, 75, 89, 89, + 75, 93, -77, 61, 55, 56, 57, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 58, 67, 80, 74, + 14, 47, 75, 48, 48, 104, 82, 105, 99, 92, + 40, 25, 84, 102, 75, 73, 0, 0, 32, 100, + 0, 86, 59, 0, 103, 0, 0, 62, 83, 61, + 100, 0, 0, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 0, 0, 0, 76, 14, 77, 78, 79, + 0, 0, 0, 0, 0, 0, 0, 25, 0, 0, + 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, + 0, 0, 0, 62, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 0, 0, 0, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, 35, 0, + 0, 36, 0, 0, 0, 37, 38 }; static const yysigned_char yycheck[] = { - 28, 8, 36, 67, 3, 0, 40, 3, 4, 69, - 70, 27, 36, 3, 37, 4, 37, 45, 3, 83, - 48, 38, 37, 36, 44, 3, 36, 39, 4, 14, - 15, 16, 2, 41, 50, 42, 52, 53, 54, 0, - 1, 40, 61, 71, 5, 6, 7, 8, 9, 10, - 11, 12, 13, 90, 82, 40, -1, -1, 65, 87, - 45, -1, -1, 91, -1, -1, -1, -1, -1, 97, - -1, 32, -1, -1, -1, -1, -1, 38, 1, -1, - 41, 42, 5, 6, 7, 8, 9, 10, 11, 12, - 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 32, - -1, -1, -1, -1, -1, 38, -1, -1, 41, 5, - 6, 7, 8, 9, 10, 11, 12, 13, -1, -1, - -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, - 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, - -1, -1, 38, -1, -1, -1, 42, 43 + 32, 8, 3, 3, 70, 40, 3, 4, 0, 44, + 40, 42, 43, 14, 15, 16, 3, 49, 72, 73, + 52, 87, 0, 1, 4, 41, 41, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 41, 40, 42, 46, + 18, 3, 74, 44, 44, 4, 42, 40, 49, 48, + 2, 29, 64, 95, 86, 45, -1, -1, 36, 91, + -1, 68, 31, -1, 96, -1, -1, 45, 46, 1, + 102, -1, -1, 5, 6, 7, 8, 9, 10, 11, + 12, 13, -1, -1, -1, 54, 18, 56, 57, 58, + -1, -1, -1, -1, -1, -1, -1, 29, -1, -1, + -1, -1, -1, -1, 36, -1, -1, -1, -1, -1, + -1, -1, -1, 45, 5, 6, 7, 8, 9, 10, + 11, 12, 13, -1, -1, -1, 17, 18, 19, 20, + 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, -1, + -1, 42, -1, -1, -1, 46, 47 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const unsigned char yystos[] = { - 0, 47, 48, 0, 5, 6, 7, 8, 9, 10, + 0, 51, 52, 0, 5, 6, 7, 8, 9, 10, 11, 12, 13, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 38, 42, 43, 49, 50, 51, 54, 55, - 53, 52, 36, 3, 40, 57, 66, 68, 57, 3, - 69, 4, 37, 37, 37, 69, 66, 1, 38, 41, - 50, 60, 61, 62, 36, 56, 36, 40, 58, 59, - 59, 57, 66, 69, 69, 69, 69, 38, 63, 42, - 61, 70, 57, 4, 68, 58, 64, 65, 44, 68, - 39, 14, 15, 16, 45, 66, 67, 65, 66, 4, - 36 + 34, 35, 36, 37, 38, 39, 42, 46, 47, 53, + 54, 55, 58, 59, 57, 56, 40, 3, 44, 61, + 70, 72, 61, 3, 73, 4, 41, 41, 41, 73, + 70, 1, 45, 54, 64, 65, 66, 40, 60, 40, + 44, 62, 63, 63, 61, 70, 73, 73, 73, 73, + 42, 67, 42, 46, 65, 74, 61, 4, 72, 62, + 68, 69, 48, 72, 42, 43, 14, 15, 16, 49, + 70, 71, 69, 70, 4, 40 }; #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) @@ -654,7 +669,8 @@ static const unsigned char yystos[] = #define YYACCEPT goto yyacceptlab #define YYABORT goto yyabortlab -#define YYERROR goto yyerrlab1 +#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. @@ -688,11 +704,11 @@ while (0) 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; +# 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. */ @@ -736,7 +752,7 @@ do { \ /*------------------------------------------------------------------. | yy_stack_print -- Print the state stack from its BOTTOM up to its | -| TOP (cinluded). | +| TOP (included). | `------------------------------------------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) @@ -776,9 +792,9 @@ yy_reduce_print (yyrule) #endif { int yyi; - unsigned int yylineno = yyrline[yyrule]; + unsigned int yylno = yyrline[yyrule]; YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", - yyrule - 1, yylineno); + yyrule - 1, yylno); /* Print the symbols being reduced, and their result. */ for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]); @@ -815,7 +831,7 @@ int yydebug; SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ -#if YYMAXDEPTH == 0 +#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0 # undef YYMAXDEPTH #endif @@ -1062,6 +1078,18 @@ YYLTYPE yylloc; yyssp = yyss; yyvsp = yyvs; yylsp = yyls; + + /* User initialization code. */ + #line 70 "parse-gram.y" +{ + /* Bison's grammar can initial empty locations, hence a default + location is needed. */ + (*yylsp).start.file = (*yylsp).end.file = current_file; + (*yylsp).start.line = (*yylsp).end.line = 1; + (*yylsp).start.column = (*yylsp).end.column = 0; +} +/* Line 818 of yacc.c. */ +#line 1093 "parse-gram.c" goto yysetstate; /*------------------------------------------------------------. @@ -1244,123 +1272,138 @@ yyreduce: yyval = yyvsp[1-yylen]; /* Default location. */ - YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); + YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen); YY_REDUCE_PRINT (yyn); switch (yyn) { case 6: -#line 175 "parse-gram.y" +#line 187 "parse-gram.y" { prologue_augment (yyvsp[0].chars, yylsp[0]); } break; case 7: -#line 176 "parse-gram.y" - { debug_flag = 1; } +#line 188 "parse-gram.y" + { debug_flag = true; } break; case 8: -#line 177 "parse-gram.y" +#line 189 "parse-gram.y" { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); } break; case 9: -#line 178 "parse-gram.y" - { defines_flag = 1; } +#line 190 "parse-gram.y" + { defines_flag = true; } break; case 10: -#line 179 "parse-gram.y" - { error_verbose = 1; } +#line 191 "parse-gram.y" + { error_verbose = true; } break; case 11: -#line 180 "parse-gram.y" +#line 192 "parse-gram.y" { expected_conflicts = yyvsp[0].integer; } break; case 12: -#line 181 "parse-gram.y" +#line 193 "parse-gram.y" { spec_file_prefix = yyvsp[0].chars; } break; case 13: -#line 182 "parse-gram.y" - { glr_parser = 1; } +#line 195 "parse-gram.y" + { + nondeterministic_parser = true; + glr_parser = true; + } break; case 14: -#line 183 "parse-gram.y" - { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); } +#line 200 "parse-gram.y" + { + muscle_code_grow ("initial_action", yyvsp[0].chars, yylsp[0]); + } break; case 15: -#line 184 "parse-gram.y" - { locations_flag = 1; } +#line 203 "parse-gram.y" + { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); } break; case 16: -#line 185 "parse-gram.y" - { spec_name_prefix = yyvsp[0].chars; } +#line 204 "parse-gram.y" + { locations_flag = true; } break; case 17: -#line 186 "parse-gram.y" - { no_lines_flag = 1; } +#line 205 "parse-gram.y" + { spec_name_prefix = yyvsp[0].chars; } break; case 18: -#line 187 "parse-gram.y" - { spec_outfile = yyvsp[0].chars; } +#line 206 "parse-gram.y" + { no_lines_flag = true; } break; case 19: -#line 188 "parse-gram.y" - { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); } +#line 207 "parse-gram.y" + { nondeterministic_parser = true; } break; case 20: -#line 189 "parse-gram.y" - { pure_parser = 1; } +#line 208 "parse-gram.y" + { spec_outfile = yyvsp[0].chars; } break; case 21: -#line 190 "parse-gram.y" - { skeleton = yyvsp[0].chars; } +#line 209 "parse-gram.y" + { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); } break; case 22: -#line 191 "parse-gram.y" - { token_table_flag = 1; } +#line 210 "parse-gram.y" + { pure_parser = true; } break; case 23: -#line 192 "parse-gram.y" - { report_flag = report_states; } +#line 211 "parse-gram.y" + { skeleton = yyvsp[0].chars; } break; case 24: -#line 193 "parse-gram.y" - { yacc_flag = 1; } +#line 212 "parse-gram.y" + { token_table_flag = true; } + break; + + case 25: +#line 213 "parse-gram.y" + { report_flag = report_states; } + break; + + case 26: +#line 214 "parse-gram.y" + { yacc_flag = true; } break; - case 28: -#line 201 "parse-gram.y" + case 30: +#line 222 "parse-gram.y" { grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]); } break; - case 29: -#line 205 "parse-gram.y" + case 31: +#line 226 "parse-gram.y" { - typed = 1; + typed = true; MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line); muscle_insert ("stype", yyvsp[0].chars); } break; - case 30: -#line 211 "parse-gram.y" + case 32: +#line 232 "parse-gram.y" { symbol_list *list; for (list = yyvsp[0].list; list; list = list->next) @@ -1369,8 +1412,8 @@ yyreduce: } break; - case 31: -#line 218 "parse-gram.y" + case 33: +#line 239 "parse-gram.y" { symbol_list *list; for (list = yyvsp[0].list; list; list = list->next) @@ -1379,34 +1422,48 @@ yyreduce: } break; - case 32: -#line 227 "parse-gram.y" + case 34: +#line 246 "parse-gram.y" + { + default_prec = true; + } + break; + + case 35: +#line 250 "parse-gram.y" + { + default_prec = false; + } + break; + + case 36: +#line 256 "parse-gram.y" { current_class = nterm_sym; } break; - case 33: -#line 228 "parse-gram.y" + case 37: +#line 257 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; } break; - case 34: -#line 232 "parse-gram.y" + case 38: +#line 261 "parse-gram.y" { current_class = token_sym; } break; - case 35: -#line 233 "parse-gram.y" + case 39: +#line 262 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; } break; - case 36: -#line 238 "parse-gram.y" + case 40: +#line 267 "parse-gram.y" { symbol_list *list; for (list = yyvsp[0].list; list; list = list->next) @@ -1415,8 +1472,8 @@ yyreduce: } break; - case 37: -#line 248 "parse-gram.y" + case 41: +#line 277 "parse-gram.y" { symbol_list *list; ++current_prec; @@ -1430,58 +1487,58 @@ yyreduce: } break; - case 38: -#line 262 "parse-gram.y" + case 42: +#line 291 "parse-gram.y" { yyval.assoc = left_assoc; } break; - case 39: -#line 263 "parse-gram.y" + case 43: +#line 292 "parse-gram.y" { yyval.assoc = right_assoc; } break; - case 40: -#line 264 "parse-gram.y" + case 44: +#line 293 "parse-gram.y" { yyval.assoc = non_assoc; } break; - case 41: -#line 268 "parse-gram.y" + case 45: +#line 297 "parse-gram.y" { current_type = NULL; } break; - case 42: -#line 269 "parse-gram.y" + case 46: +#line 298 "parse-gram.y" { current_type = yyvsp[0].uniqstr; } break; - case 43: -#line 275 "parse-gram.y" + case 47: +#line 304 "parse-gram.y" { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); } break; - case 44: -#line 276 "parse-gram.y" + case 48: +#line 305 "parse-gram.y" { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); } break; - case 45: -#line 282 "parse-gram.y" + case 49: +#line 311 "parse-gram.y" { current_type = yyvsp[0].uniqstr; } break; - case 46: -#line 286 "parse-gram.y" + case 50: +#line 315 "parse-gram.y" { symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]); symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]); } break; - case 47: -#line 291 "parse-gram.y" + case 51: +#line 320 "parse-gram.y" { symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); @@ -1489,8 +1546,8 @@ yyreduce: } break; - case 48: -#line 297 "parse-gram.y" + case 52: +#line 326 "parse-gram.y" { symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); @@ -1498,8 +1555,8 @@ yyreduce: } break; - case 49: -#line 303 "parse-gram.y" + case 53: +#line 332 "parse-gram.y" { symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]); symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]); @@ -1508,101 +1565,101 @@ yyreduce: } break; - case 55: -#line 332 "parse-gram.y" + case 59: +#line 361 "parse-gram.y" { if (yacc_flag) complain_at (yyloc, _("POSIX forbids declarations in the grammar")); } break; - case 56: -#line 337 "parse-gram.y" + case 60: +#line 366 "parse-gram.y" { yyerrok; } break; - case 58: -#line 344 "parse-gram.y" + case 61: +#line 372 "parse-gram.y" { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; } break; - case 60: -#line 348 "parse-gram.y" + case 63: +#line 376 "parse-gram.y" { grammar_rule_end (yylsp[0]); } break; - case 61: -#line 349 "parse-gram.y" + case 64: +#line 377 "parse-gram.y" { grammar_rule_end (yylsp[0]); } break; - case 62: -#line 354 "parse-gram.y" + case 66: +#line 383 "parse-gram.y" { grammar_rule_begin (current_lhs, current_lhs_location); } break; - case 63: -#line 356 "parse-gram.y" + case 67: +#line 385 "parse-gram.y" { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } break; - case 64: -#line 358 "parse-gram.y" + case 68: +#line 387 "parse-gram.y" { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); } break; - case 65: -#line 360 "parse-gram.y" + case 69: +#line 389 "parse-gram.y" { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } break; - case 66: -#line 362 "parse-gram.y" + case 70: +#line 391 "parse-gram.y" { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } break; - case 67: -#line 364 "parse-gram.y" + case 71: +#line 393 "parse-gram.y" { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); } break; - case 68: -#line 368 "parse-gram.y" + case 72: +#line 397 "parse-gram.y" { yyval.symbol = yyvsp[0].symbol; } break; - case 69: -#line 369 "parse-gram.y" + case 73: +#line 398 "parse-gram.y" { yyval.symbol = yyvsp[0].symbol; } break; - case 70: -#line 374 "parse-gram.y" + case 74: +#line 403 "parse-gram.y" { yyval.chars = yyvsp[0].chars; } break; - case 71: -#line 380 "parse-gram.y" + case 75: +#line 409 "parse-gram.y" { yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]); symbol_class_set (yyval.symbol, token_sym, yylsp[0]); } break; - case 72: -#line 389 "parse-gram.y" + case 76: +#line 418 "parse-gram.y" { yyval.chars = yyvsp[0].chars + 1; yyval.chars[strlen (yyval.chars) - 1] = '\0'; } break; - case 74: -#line 398 "parse-gram.y" + case 78: +#line 427 "parse-gram.y" { - epilogue_augment (yyvsp[0].chars, yylsp[0]); + muscle_code_grow ("epilogue", yyvsp[0].chars, yylsp[0]); scanner_last_string_free (); } break; @@ -1610,8 +1667,8 @@ yyreduce: } -/* Line 991 of yacc.c. */ -#line 1614 "parse-gram.c" +/* Line 1010 of yacc.c. */ +#line 1672 "parse-gram.c" yyvsp -= yylen; yyssp -= yylen; @@ -1652,18 +1709,33 @@ yyerrlab: { YYSIZE_T yysize = 0; int yytype = YYTRANSLATE (yychar); + const char* yyprefix; char *yymsg; - int yyx, yycount; + int yyx; - 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++) + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 0; + + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - yysize += yystrlen (yytname[yyx]) + 15, yycount++; - yysize += yystrlen ("syntax error, unexpected ") + 1; - yysize += yystrlen (yytname[yytype]); + { + yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]); + yycount += 1; + if (yycount == 5) + { + yysize = 0; + break; + } + } + yysize += (sizeof ("syntax error, unexpected ") + + yystrlen (yytname[yytype])); yymsg = (char *) YYSTACK_ALLOC (yysize); if (yymsg != 0) { @@ -1672,16 +1744,13 @@ yyerrlab: if (yycount < 5) { - yycount = 0; - for (yyx = yyn < 0 ? -yyn : 0; - yyx < (int) (sizeof (yytname) / sizeof (char *)); - yyx++) + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) { - const char *yyq = ! yycount ? ", expecting " : " or "; - yyp = yystpcpy (yyp, yyq); + yyp = yystpcpy (yyp, yyprefix); yyp = yystpcpy (yyp, yytname[yyx]); - yycount++; + yyprefix = " or "; } } yyerror (yymsg); @@ -1702,52 +1771,59 @@ yyerrlab: /* If just tried and failed to reuse lookahead token after an error, discard it. */ - /* Return failure if at end of input. */ - if (yychar == YYEOF) + if (yychar <= YYEOF) { - /* Pop the error token. */ - YYPOPSTACK; - /* Pop the rest of the stack. */ - while (yyss < yyssp) - { - YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); - yydestruct (yystos[*yyssp], yyvsp, yylsp); - YYPOPSTACK; - } - YYABORT; + /* If at end of input, pop the error token, + then the rest of the stack, then return failure. */ + if (yychar == YYEOF) + for (;;) + { + YYPOPSTACK; + if (yyssp == yyss) + YYABORT; + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + yydestruct (yystos[*yyssp], yyvsp, yylsp); + } } - - YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); - yydestruct (yytoken, &yylval, &yylloc); - yychar = YYEMPTY; - *++yylerrsp = yylloc; + else + { + YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); + yydestruct (yytoken, &yylval, &yylloc); + yychar = YYEMPTY; + *++yylerrsp = yylloc; + } } /* Else will try to reuse lookahead token after shifting the error token. */ - goto yyerrlab2; + goto yyerrlab1; -/*----------------------------------------------------. -| yyerrlab1 -- error raised explicitly by an action. | -`----------------------------------------------------*/ -yyerrlab1: +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: - /* Suppress GCC warning that yyerrlab1 is unused when no action - invokes YYERROR. */ -#if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__) - __attribute__ ((__unused__)) +#ifdef __GNUC__ + /* Pacify GCC when the user code never invokes YYERROR and the label + yyerrorlab therefore never appears in user code. */ + if (0) + goto yyerrorlab; #endif + yyvsp -= yylen; + yyssp -= yylen; + yystate = *yyssp; yylerrsp = yylsp; *++yylerrsp = yyloc; - goto yyerrlab2; + yylsp -= yylen; + goto yyerrlab1; -/*---------------------------------------------------------------. -| yyerrlab2 -- pop states until the error token can be shifted. | -`---------------------------------------------------------------*/ -yyerrlab2: +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: yyerrstatus = 3; /* Each real token shifted decrements this. */ for (;;) @@ -1770,9 +1846,8 @@ yyerrlab2: YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); yydestruct (yystos[yystate], yyvsp, yylsp); - yyvsp--; - yystate = *--yyssp; - yylsp--; + YYPOPSTACK; + yystate = *yyssp; YY_STACK_PRINT (yyss, yyssp); } @@ -1782,7 +1857,7 @@ yyerrlab2: YYDPRINTF ((stderr, "Shifting error token, ")); *++yyvsp = yylval; - YYLLOC_DEFAULT (yyloc, yylsp, (yylerrsp - yylsp)); + YYLLOC_DEFAULT (yyloc, yylsp, yylerrsp - yylsp); *++yylsp = yyloc; yystate = yyn; @@ -1822,7 +1897,7 @@ yyreturn: } -#line 404 "parse-gram.y" +#line 433 "parse-gram.y" @@ -1835,8 +1910,8 @@ static YYLTYPE lloc_default (YYLTYPE const *rhs, int n) { int i; - YYLTYPE r; - r.start = r.end = rhs[n].end; + YYLTYPE loc; + loc.start = loc.end = rhs[n].end; /* Ignore empty nonterminals the start of the the right-hand side. Do not bother to ignore them at the end of the right-hand side, @@ -1844,11 +1919,11 @@ lloc_default (YYLTYPE const *rhs, int n) for (i = 1; i <= n; i++) if (! equal_boundaries (rhs[i].start, rhs[i].end)) { - r.start = rhs[i].start; + loc.start = rhs[i].start; break; } - return r; + return loc; }