X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e9955c83734d0a545d7822a1feb9c4a8038a62cb..3df374151b36bb8693842c09a1904aeffc358b93:/src/parse-gram.c diff --git a/src/parse-gram.c b/src/parse-gram.c index efb6d0b8..841054cf 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,9 +1,7 @@ -/* A Bison parser, made from parse-gram.y - by GNU bison 1.49b. */ +/* A Bison parser, made from parse-gram.y, by GNU bison 1.75b. */ -/* Skeleton output parser for Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software - Foundation, Inc. +/* 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 @@ -25,10 +23,8 @@ This special exception was added by the Free Software Foundation in version 1.24 of Bison. */ -/* This is the parser code that is written into each bison parser when - the %semantic_parser declaration is not specified in the grammar. - It was written by Richard Stallman by simplifying the original so - called ``semantic'' parser. */ +/* 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 @@ -38,10 +34,13 @@ USER NAME SPACE" below. */ /* Identify Bison output. */ -#define YYBISON 1 +#define YYBISON 1 + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" /* Pure parsers. */ -#define YYPURE 1 +#define YYPURE 1 /* Using locations. */ #define YYLSP_NEEDED 1 @@ -55,23 +54,141 @@ #define yychar gram_char #define yydebug gram_debug #define yynerrs gram_nerrs -#if YYLSP_NEEDED -# define yylloc gram_lloc +#define yylloc gram_lloc + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + GRAM_EOF = 0, + STRING = 258, + INT = 259, + PERCENT_TOKEN = 260, + PERCENT_NTERM = 261, + PERCENT_TYPE = 262, + PERCENT_DESTRUCTOR = 263, + PERCENT_PRINTER = 264, + PERCENT_UNION = 265, + PERCENT_LEFT = 266, + PERCENT_RIGHT = 267, + PERCENT_NONASSOC = 268, + PERCENT_PREC = 269, + 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, + COLON = 294, + COMMA = 295, + PIPE = 296, + ID = 297, + PERCENT_PERCENT = 298, + PROLOGUE = 299, + EPILOGUE = 300, + BRACED_CODE = 301 + }; #endif +#define GRAM_EOF 0 +#define STRING 258 +#define INT 259 +#define PERCENT_TOKEN 260 +#define PERCENT_NTERM 261 +#define PERCENT_TYPE 262 +#define PERCENT_DESTRUCTOR 263 +#define PERCENT_PRINTER 264 +#define PERCENT_UNION 265 +#define PERCENT_LEFT 266 +#define PERCENT_RIGHT 267 +#define PERCENT_NONASSOC 268 +#define PERCENT_PREC 269 +#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 COLON 294 +#define COMMA 295 +#define PIPE 296 +#define ID 297 +#define PERCENT_PERCENT 298 +#define PROLOGUE 299 +#define EPILOGUE 300 +#define BRACED_CODE 301 + + /* Copy the first part of user declarations. */ #line 31 "parse-gram.y" #include "system.h" +#include "complain.h" #include "muscle_tab.h" #include "files.h" #include "getargs.h" #include "output.h" +#include "symlist.h" #include "gram.h" #include "reader.h" #include "conflicts.h" +/* Produce verbose parse errors. */ +#define YYERROR_VERBOSE 1 +#define YYLLOC_DEFAULT(Current, Rhs, N) \ +do { \ + if (N) \ + { \ + Current.first_column = Rhs[1].first_column; \ + Current.first_line = Rhs[1].first_line; \ + Current.last_column = Rhs[N].last_column; \ + Current.last_line = Rhs[N].last_line; \ + } \ + else \ + { \ + Current = Rhs[0]; \ + } \ +} while (0) + /* Pass the control structure to YYPARSE and YYLEX. */ #define YYPARSE_PARAM gram_control #define YYLEX_PARAM gram_control @@ -79,24 +196,23 @@ correctly typed access to it. */ #define yycontrol ((gram_control_t *) gram_control) -/* Request detailed parse error messages, and pass them to - GRAM_ERROR. */ +/* Request detailed parse error messages, and pass them to GRAM_ERROR. + FIXME: depends on the undocumented availability of YYLLOC.t */ #undef yyerror #define yyerror(Msg) \ - gram_error (yycontrol, &yylloc, Msg) + gram_error (&yylloc, Msg) -/* When debugging our pure parser, we want to see values and locations - of the tokens. */ #define YYPRINT(File, Type, Value) \ - yyprint (File, &yylloc, Type, &Value) -static void yyprint (FILE *file, const yyltype *loc, - int type, const yystype *value); + yyprint (File, Type, &Value) +static void yyprint (FILE *file, int type, const yystype *value); symbol_class current_class = unknown_sym; -char *current_type = 0; +struniq_t current_type = 0; symbol_t *current_lhs; -associativity current_assoc; +location_t current_lhs_location; +assoc_t current_assoc; int current_prec = 0; +braced_code_t current_braced_code = action_braced_code; /* Enabling traces. */ @@ -109,18 +225,21 @@ int current_prec = 0; # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else -# define YYERROR_VERBOSE 1 +# define YYERROR_VERBOSE 0 #endif #ifndef YYSTYPE -#line 70 "parse-gram.y" -typedef union -{ +#line 89 "parse-gram.y" +typedef union { symbol_t *symbol; + symbol_list_t *list; int integer; char *string; - associativity assoc; + assoc_t assoc; + struniq_t struniq; } yystype; +/* Line 237 of /usr/local/share/bison/yacc.c. */ +#line 243 "parse-gram.c" # define YYSTYPE yystype # define YYSTYPE_IS_TRIVIAL 1 #endif @@ -140,8 +259,8 @@ typedef struct yyltype /* Copy the second part of user declarations. */ -/* Line 215 of /usr/local/share/bison/bison.simple. */ -#line 145 "parse-gram.c" +/* Line 257 of /usr/local/share/bison/yacc.c. */ +#line 264 "parse-gram.c" #if ! defined (yyoverflow) || YYERROR_VERBOSE @@ -184,9 +303,7 @@ union yyalloc { short yyss; YYSTYPE yyvs; -# if YYLSP_NEEDED - YYLTYPE yyls; -# endif + YYLTYPE yyls; }; /* The size of the maximum gap between one aligned stack and the next. */ @@ -194,15 +311,9 @@ union yyalloc /* The size of an array large to enough to hold all stacks, each with N elements. */ -# if YYLSP_NEEDED -# define YYSTACK_BYTES(N) \ +# define YYSTACK_BYTES(N) \ ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + 2 * YYSTACK_GAP_MAX) -# else -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (short) + sizeof (YYSTYPE)) \ - + YYSTACK_GAP_MAX) -# endif /* Copy COUNT objects from FROM to TO. The source and destination do not overlap. */ @@ -240,114 +351,29 @@ union yyalloc #endif -/* Tokens. */ -#ifndef YYTOKENTYPE -# if defined (__STDC__) || defined (__cplusplus) - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - GRAM_EOF = 0, - STRING = 258, - CHARACTER = 259, - INT = 260, - PERCENT_TOKEN = 261, - PERCENT_NTERM = 262, - PERCENT_TYPE = 263, - PERCENT_UNION = 264, - PERCENT_EXPECT = 265, - PERCENT_START = 266, - PERCENT_LEFT = 267, - PERCENT_RIGHT = 268, - PERCENT_NONASSOC = 269, - PERCENT_PREC = 270, - PERCENT_VERBOSE = 271, - PERCENT_ERROR_VERBOSE = 272, - PERCENT_OUTPUT = 273, - PERCENT_FILE_PREFIX = 274, - PERCENT_NAME_PREFIX = 275, - PERCENT_DEFINE = 276, - PERCENT_PURE_PARSER = 277, - PERCENT_DEFINES = 278, - PERCENT_YACC = 279, - PERCENT_DEBUG = 280, - PERCENT_LOCATIONS = 281, - PERCENT_NO_LINES = 282, - PERCENT_SKELETON = 283, - PERCENT_TOKEN_TABLE = 284, - TYPE = 285, - EQUAL = 286, - SEMICOLON = 287, - COLON = 288, - PIPE = 289, - ID = 290, - PERCENT_PERCENT = 291, - PROLOGUE = 292, - EPILOGUE = 293, - BRACED_CODE = 294 - }; -# endif - /* POSIX requires `int' for tokens in interfaces. */ -# define YYTOKENTYPE int -#endif /* !YYTOKENTYPE */ -#define GRAM_EOF 0 -#define STRING 258 -#define CHARACTER 259 -#define INT 260 -#define PERCENT_TOKEN 261 -#define PERCENT_NTERM 262 -#define PERCENT_TYPE 263 -#define PERCENT_UNION 264 -#define PERCENT_EXPECT 265 -#define PERCENT_START 266 -#define PERCENT_LEFT 267 -#define PERCENT_RIGHT 268 -#define PERCENT_NONASSOC 269 -#define PERCENT_PREC 270 -#define PERCENT_VERBOSE 271 -#define PERCENT_ERROR_VERBOSE 272 -#define PERCENT_OUTPUT 273 -#define PERCENT_FILE_PREFIX 274 -#define PERCENT_NAME_PREFIX 275 -#define PERCENT_DEFINE 276 -#define PERCENT_PURE_PARSER 277 -#define PERCENT_DEFINES 278 -#define PERCENT_YACC 279 -#define PERCENT_DEBUG 280 -#define PERCENT_LOCATIONS 281 -#define PERCENT_NO_LINES 282 -#define PERCENT_SKELETON 283 -#define PERCENT_TOKEN_TABLE 284 -#define TYPE 285 -#define EQUAL 286 -#define SEMICOLON 287 -#define COLON 288 -#define PIPE 289 -#define ID 290 -#define PERCENT_PERCENT 291 -#define PROLOGUE 292 -#define EPILOGUE 293 -#define BRACED_CODE 294 - - - +#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 3 -#define YYFLAG -32768 -#define YYLAST 110 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 125 /* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 40 +#define YYNTOKENS 47 /* YYNNTS -- Number of nonterminals. */ #define YYNNTS 28 /* YYNRULES -- Number of rules. */ -#define YYNRULES 69 +#define YYNRULES 76 /* YYNRULES -- Number of states. */ -#define YYNSTATES 94 +#define YYNSTATES 115 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 294 +#define YYMAXUTOK 301 #define YYTRANSLATE(X) \ ((unsigned)(X) <= YYMAXUTOK ? yytranslate[X] : YYUNDEFTOK) @@ -384,7 +410,8 @@ static const unsigned char yytranslate[] = 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 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 + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46 }; #if YYDEBUG @@ -392,48 +419,53 @@ static const unsigned char yytranslate[] = YYRHS. */ static const unsigned char yyprhs[] = { - 0, 0, 3, 4, 10, 11, 14, 16, 18, 20, - 24, 26, 28, 31, 35, 37, 41, 43, 47, 49, - 52, 54, 56, 58, 60, 61, 65, 68, 69, 73, - 74, 79, 83, 84, 89, 91, 93, 95, 96, 98, - 100, 103, 105, 108, 110, 112, 115, 118, 122, 124, - 127, 129, 132, 133, 139, 141, 145, 146, 149, 152, - 156, 158, 160, 162, 164, 166, 168, 169, 172, 173 + 0, 0, 3, 8, 9, 13, 15, 17, 19, 23, + 25, 27, 30, 34, 36, 41, 43, 47, 49, 53, + 58, 60, 63, 65, 67, 69, 71, 73, 76, 79, + 80, 85, 86, 91, 92, 96, 97, 101, 105, 109, + 111, 113, 115, 116, 118, 120, 123, 125, 127, 130, + 133, 137, 139, 142, 144, 147, 149, 152, 155, 156, + 162, 164, 168, 169, 172, 175, 179, 183, 187, 189, + 191, 193, 195, 197, 198, 201, 202 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const signed char yyrhs[] = +static const yysigned_char yyrhs[] = { - 41, 0, -1, -1, 42, 43, 36, 57, 66, -1, - -1, 43, 44, -1, 45, -1, 37, -1, 25, -1, - 21, 65, 65, -1, 23, -1, 17, -1, 10, 5, - -1, 19, 31, 65, -1, 26, -1, 20, 31, 65, - -1, 27, -1, 18, 31, 65, -1, 22, -1, 28, - 65, -1, 29, -1, 16, -1, 24, -1, 49, -1, - -1, 7, 46, 56, -1, 11, 62, -1, -1, 6, - 47, 56, -1, -1, 8, 30, 48, 53, -1, 9, - 39, 67, -1, -1, 51, 52, 50, 54, -1, 12, - -1, 13, -1, 14, -1, -1, 30, -1, 35, -1, - 53, 35, -1, 62, -1, 54, 62, -1, 30, -1, - 35, -1, 35, 5, -1, 35, 64, -1, 35, 5, - 64, -1, 55, -1, 56, 55, -1, 58, -1, 57, - 58, -1, -1, 35, 33, 59, 60, 32, -1, 61, - -1, 60, 34, 61, -1, -1, 61, 62, -1, 61, - 63, -1, 61, 15, 62, -1, 35, -1, 64, -1, - 4, -1, 39, -1, 3, -1, 3, -1, -1, 36, - 38, -1, -1, 32, -1 + 48, 0, -1, 49, 43, 63, 73, -1, -1, 49, + 50, 74, -1, 51, -1, 44, -1, 17, -1, 18, + 72, 72, -1, 19, -1, 20, -1, 21, 4, -1, + 22, 37, 72, -1, 23, -1, 24, 72, 40, 72, + -1, 25, -1, 26, 37, 72, -1, 27, -1, 28, + 37, 72, -1, 29, 72, 40, 72, -1, 30, -1, + 31, 72, -1, 33, -1, 34, -1, 35, -1, 57, + -1, 54, -1, 32, 69, -1, 10, 46, -1, -1, + 8, 52, 46, 60, -1, -1, 9, 53, 46, 60, + -1, -1, 6, 55, 62, -1, -1, 5, 56, 62, + -1, 7, 36, 60, -1, 58, 59, 60, -1, 11, + -1, 12, -1, 13, -1, -1, 36, -1, 69, -1, + 60, 69, -1, 36, -1, 42, -1, 42, 4, -1, + 42, 71, -1, 42, 4, 71, -1, 61, -1, 62, + 61, -1, 64, -1, 63, 64, -1, 65, -1, 51, + 38, -1, 1, 38, -1, -1, 42, 39, 66, 67, + 38, -1, 68, -1, 67, 41, 68, -1, -1, 68, + 69, -1, 68, 70, -1, 68, 14, 69, -1, 68, + 15, 4, -1, 68, 16, 36, -1, 42, -1, 71, + -1, 46, -1, 3, -1, 3, -1, -1, 43, 45, + -1, -1, 38, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const unsigned short yyrline[] = { - 0, 128, 128, 128, 136, 138, 141, 143, 144, 145, - 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, - 156, 157, 158, 161, 163, 163, 168, 172, 172, 177, - 177, 181, 189, 189, 196, 198, 199, 202, 204, 208, - 210, 214, 220, 229, 234, 239, 245, 251, 261, 264, - 268, 270, 273, 273, 278, 280, 283, 286, 288, 290, - 294, 296, 297, 300, 306, 315, 323, 328, 334, 336 + 0, 170, 170, 182, 184, 187, 189, 190, 191, 192, + 193, 194, 195, 196, 197, 199, 200, 201, 202, 203, + 205, 206, 207, 208, 209, 212, 214, 215, 219, 226, + 225, 236, 235, 248, 247, 253, 253, 258, 267, 282, + 284, 285, 288, 290, 295, 297, 301, 306, 311, 317, + 323, 333, 336, 345, 347, 353, 355, 360, 367, 366, + 371, 373, 376, 379, 381, 383, 385, 387, 391, 393, + 396, 402, 411, 419, 421, 428, 430 }; #endif @@ -442,159 +474,175 @@ static const unsigned short yyrline[] = First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { - "\"end of string\"", "error", "$undefined.", "STRING", "CHARACTER", "INT", - "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%union\"", "\"%expect\"", - "\"%start\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"", "\"%prec\"", - "\"%verbose\"", "\"%error-verbose\"", "\"%output\"", "\"%file-prefix\"", - "\"%name-prefix\"", "\"%define\"", "\"%pure-parser\"", "\"%defines\"", - "\"%yacc\"", "\"%debug\"", "\"%locations\"", "\"%no-lines\"", - "\"%skeleton\"", "\"%token-table\"", "TYPE", "\"=\"", "\";\"", "\":\"", - "\"|\"", "\"identifier\"", "\"%%\"", "PROLOGUE", "EPILOGUE", - "BRACED_CODE", "$axiom", "input", "@1", "directives", "directive", - "grammar_directives", "@2", "@3", "@4", "precedence_directives", "@5", - "precedence_directive", "type.opt", "nterms_to_type.1", - "terms_to_prec.1", "symbol_def", "symbol_defs.1", "gram", "rules", "@6", - "rhses.1", "rhs", "symbol", "action", "string_as_id", "string_content", - "epilogue.opt", "semi_colon_opt", 0 + "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"", + "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"", + "\"%printer\"", "\"%union\"", "\"%left\"", "\"%right\"", + "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"", + "\"%define\"", "\"%defines\"", "\"%error-verbose\"", "\"%expect\"", + "\"%file-prefix\"", "\"%glr-parser\"", "\"%lex-param\"", + "\"%locations\"", "\"%name-prefix\"", "\"%no-lines\"", "\"%output\"", + "\"%parse-param\"", "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", + "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", + "\";\"", "\":\"", "\",\"", "\"|\"", "\"identifier\"", "\"%%\"", + "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", "$accept", "input", + "declarations", "declaration", "grammar_declaration", "@1", "@2", + "symbol_declaration", "@3", "@4", "precedence_declaration", + "precedence_declarator", "type.opt", "symbols.1", "symbol_def", + "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules", + "@5", "rhses.1", "rhs", "symbol", "action", "string_as_id", + "string_content", "epilogue.opt", "semi_colon.opt", 0 }; #endif +# ifdef YYPRINT /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to token YYLEX-NUM. */ -static const short yytoknum[] = +static const unsigned short 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, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, - -1 + 295, 296, 297, 298, 299, 300, 301 }; +# endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const unsigned char yyr1[] = { - 0, 40, 42, 41, 43, 43, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 44, 45, 46, 45, 45, 47, 45, 48, - 45, 45, 50, 49, 51, 51, 51, 52, 52, 53, - 53, 54, 54, 55, 55, 55, 55, 55, 56, 56, - 57, 57, 59, 58, 60, 60, 61, 61, 61, 61, - 62, 62, 62, 63, 64, 65, 66, 66, 67, 67 + 0, 47, 48, 49, 49, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 51, 51, 51, 51, 52, + 51, 53, 51, 55, 54, 56, 54, 54, 57, 58, + 58, 58, 59, 59, 60, 60, 61, 61, 61, 61, + 61, 62, 62, 63, 63, 64, 64, 64, 66, 65, + 67, 67, 68, 68, 68, 68, 68, 68, 69, 69, + 70, 71, 72, 73, 73, 74, 74 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ static const unsigned char yyr2[] = { - 0, 2, 0, 5, 0, 2, 1, 1, 1, 3, - 1, 1, 2, 3, 1, 3, 1, 3, 1, 2, - 1, 1, 1, 1, 0, 3, 2, 0, 3, 0, - 4, 3, 0, 4, 1, 1, 1, 0, 1, 1, - 2, 1, 2, 1, 1, 2, 2, 3, 1, 2, - 1, 2, 0, 5, 1, 3, 0, 2, 2, 3, - 1, 1, 1, 1, 1, 1, 0, 2, 0, 1 + 0, 2, 4, 0, 3, 1, 1, 1, 3, 1, + 1, 2, 3, 1, 4, 1, 3, 1, 3, 4, + 1, 2, 1, 1, 1, 1, 1, 2, 2, 0, + 4, 0, 4, 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, 5, + 1, 3, 0, 2, 2, 3, 3, 3, 1, 1, + 1, 1, 1, 0, 2, 0, 1 }; /* 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 short yydefact[] = +static const unsigned char yydefact[] = { - 2, 0, 4, 0, 0, 27, 24, 0, 0, 0, - 0, 34, 35, 36, 21, 11, 0, 0, 0, 0, - 18, 10, 22, 8, 14, 16, 0, 20, 0, 7, - 5, 6, 23, 37, 0, 0, 29, 68, 12, 64, - 62, 60, 26, 61, 0, 0, 0, 65, 0, 19, - 0, 66, 50, 38, 32, 43, 44, 48, 28, 25, - 0, 69, 31, 17, 13, 15, 9, 52, 0, 51, - 3, 0, 45, 46, 49, 39, 30, 56, 67, 33, - 41, 47, 40, 0, 54, 42, 53, 56, 0, 63, - 57, 58, 55, 59 + 3, 0, 0, 1, 35, 33, 0, 29, 31, 0, + 39, 40, 41, 7, 0, 9, 10, 0, 0, 13, + 0, 15, 0, 17, 0, 0, 20, 0, 0, 22, + 23, 24, 0, 6, 75, 5, 26, 25, 42, 0, + 0, 0, 0, 0, 28, 72, 0, 11, 0, 0, + 0, 0, 0, 21, 71, 68, 27, 69, 0, 0, + 0, 0, 53, 55, 76, 4, 43, 0, 46, 47, + 51, 36, 34, 37, 44, 0, 0, 8, 12, 0, + 16, 18, 0, 57, 58, 56, 0, 54, 2, 38, + 48, 49, 52, 45, 30, 32, 14, 19, 62, 74, + 50, 0, 60, 59, 62, 0, 0, 0, 70, 63, + 64, 61, 65, 66, 67 }; -/* YYPGOTO[NTERM-NUM]. */ -static const short yydefgoto[] = +/* YYDEFGOTO[NTERM-NUM]. */ +static const yysigned_char yydefgoto[] = { - -1, 1, 2, 4, 30, 31, 35, 34, 60, 32, - 71, 33, 54, 76, 79, 57, 58, 51, 52, 77, - 83, 84, 90, 91, 43, 48, 70, 62 + -1, 1, 2, 34, 60, 42, 43, 36, 40, 39, + 37, 38, 67, 73, 70, 71, 61, 62, 63, 98, + 101, 102, 74, 110, 57, 46, 88, 65 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ -static const short yypact[] = +#define YYPACT_NINF -67 +static const yysigned_char yypact[] = { - -32768, 9,-32768,-32768, 73,-32768,-32768, -19, -24, 12, - 0,-32768,-32768,-32768,-32768,-32768, -5, -3, -1, 26, - -32768,-32768,-32768,-32768,-32768,-32768, 26,-32768, -4,-32768, - -32768,-32768,-32768, 2, -23, -23,-32768, 4,-32768,-32768, - -32768,-32768,-32768,-32768, 26, 26, 26,-32768, 26,-32768, - 1, -17,-32768,-32768,-32768,-32768, 5,-32768, -23, -23, - 3,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 6,-32768, - -32768, 0, 36,-32768,-32768,-32768, 7,-32768,-32768, 0, - -32768,-32768,-32768, -18, -2,-32768,-32768,-32768, 0,-32768, - -32768,-32768, -2,-32768 + -67, 7, 81, -67, -67, -67, -13, -67, -67, -16, + -67, -67, -67, -67, 32, -67, -67, 36, 20, -67, + 32, -67, 21, -67, 22, 32, -67, 32, -1, -67, + -67, -67, 43, -67, 24, -67, -67, -67, 28, -14, + -14, -1, 25, 26, -67, -67, 32, -67, 32, 30, + 32, 32, 33, -67, -67, -67, -67, -67, 38, 29, + 40, 4, -67, -67, -67, -67, -67, -1, -67, 16, + -67, -14, -14, -1, -67, -1, -1, -67, -67, 32, + -67, -67, 32, -67, -67, -67, 34, -67, -67, -1, + 77, -67, -67, -67, -1, -1, -67, -67, -67, -67, + -67, -20, 23, -67, -67, -1, 78, 45, -67, -67, + -67, 23, -67, -67, -67 }; /* YYPGOTO[NTERM-NUM]. */ -static const short yypgoto[] = +static const yysigned_char yypgoto[] = { - -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, - -32768,-32768,-32768,-32768,-32768, -38, 8,-32768, -11,-32768, - -32768, -46, -10,-32768, -50, -21,-32768,-32768 + -67, -67, -67, -67, 82, -67, -67, -67, -67, -67, + -67, -67, -67, -42, -29, 55, -67, 35, -67, -67, + -67, -7, -28, -67, -66, -19, -67, -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. */ -static const short yytable[] = + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, parse error. */ +#define YYTABLE_NINF -74 +static const yysigned_char yytable[] = { - 42, 39, 40, 39, 40, 49, 73, 55, 39, 3, - 72, 36, 56, 88, 86, 37, 87, 38, 50, 68, - 74, 74, 81, 63, 64, 65, 44, 66, 45, 47, - 46, 50, 53, 41, 67, 41, 61, 89, 75, 39, - 69, 92, 82, 59, 78, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 80, 0, 0, 0, 0, 0, 0, 0, 85, - 0, 0, 0, 0, 0, 0, 0, 0, 93, 5, - 6, 7, 8, 9, 10, 11, 12, 13, 0, 14, + 56, 49, 54, 91, -73, 58, 52, 3, 53, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 103, 54, + 90, 104, 68, 41, 100, 89, 54, 77, 69, 78, + 44, 80, 81, 94, 95, 45, 28, 105, 106, 107, + 47, 55, 92, 92, 58, 93, 59, 86, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 48, 50, 51, + 96, 93, 64, 97, 66, 55, 93, 93, 84, 108, + 79, 75, 76, 82, 109, 28, 83, 112, 85, 99, + 54, 114, 113, 109, 35, 59, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 72, 87, 111, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 0, 0, 0, 0, 0, 0, 28, - 29 + 25, 26, 27, 28, 29, 30, 31, 0, 0, 0, + 0, 0, 0, 0, 32, 33 }; -static const short yycheck[] = +static const yysigned_char yycheck[] = { - 10, 3, 4, 3, 4, 26, 56, 30, 3, 0, - 5, 30, 35, 15, 32, 39, 34, 5, 35, 36, - 58, 59, 72, 44, 45, 46, 31, 48, 31, 3, - 31, 35, 30, 35, 33, 35, 32, 39, 35, 3, - 51, 87, 35, 35, 38, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 71, -1, -1, -1, -1, -1, -1, -1, 79, - -1, -1, -1, -1, -1, -1, -1, -1, 88, 6, - 7, 8, 9, 10, 11, 12, 13, 14, -1, 16, - 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, - 27, 28, 29, -1, -1, -1, -1, -1, -1, 36, - 37 + 28, 20, 3, 69, 0, 1, 25, 0, 27, 5, + 6, 7, 8, 9, 10, 11, 12, 13, 38, 3, + 4, 41, 36, 36, 90, 67, 3, 46, 42, 48, + 46, 50, 51, 75, 76, 3, 32, 14, 15, 16, + 4, 42, 71, 72, 1, 73, 42, 43, 5, 6, + 7, 8, 9, 10, 11, 12, 13, 37, 37, 37, + 79, 89, 38, 82, 36, 42, 94, 95, 39, 46, + 40, 46, 46, 40, 102, 32, 38, 105, 38, 45, + 3, 36, 4, 111, 2, 42, 5, 6, 7, 8, + 9, 10, 11, 12, 13, 40, 61, 104, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, + -1, -1, -1, -1, 43, 44 }; -#if YYDEBUG /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const unsigned char yystos[] = { - 0, 41, 42, 0, 43, 6, 7, 8, 9, 10, - 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, - 22, 23, 24, 25, 26, 27, 28, 29, 36, 37, - 44, 45, 49, 51, 47, 46, 30, 39, 5, 3, - 4, 35, 62, 64, 31, 31, 31, 3, 65, 65, - 35, 57, 58, 30, 52, 30, 35, 55, 56, 56, - 48, 32, 67, 65, 65, 65, 65, 33, 36, 58, - 66, 50, 5, 64, 55, 35, 53, 59, 38, 54, - 62, 64, 35, 60, 61, 62, 32, 34, 15, 39, - 62, 63, 61, 62 + 0, 48, 49, 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, 43, 44, 50, 51, 54, 57, 58, 56, + 55, 36, 52, 53, 46, 3, 72, 4, 37, 72, + 37, 37, 72, 72, 3, 42, 69, 71, 1, 42, + 51, 63, 64, 65, 38, 74, 36, 59, 36, 42, + 61, 62, 62, 60, 69, 46, 46, 72, 72, 40, + 72, 72, 40, 38, 39, 38, 43, 64, 73, 60, + 4, 71, 61, 69, 60, 60, 72, 72, 66, 45, + 71, 67, 68, 38, 41, 14, 15, 16, 46, 69, + 70, 68, 69, 4, 36 }; -#endif #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) # define YYSIZE_T __SIZE_TYPE__ @@ -641,7 +689,7 @@ do \ } \ else \ { \ - yyerror ("syntax error: cannot back up"); \ + yyerror ("syntax error: cannot back up"); \ YYERROR; \ } \ while (0) @@ -662,23 +710,11 @@ while (0) /* YYLEX -- calling `yylex' with the right arguments. */ -#if YYPURE -# if YYLSP_NEEDED -# ifdef YYLEX_PARAM -# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) -# else -# define YYLEX yylex (&yylval, &yylloc) -# endif -# else /* !YYLSP_NEEDED */ -# ifdef YYLEX_PARAM -# define YYLEX yylex (&yylval, YYLEX_PARAM) -# else -# define YYLEX yylex (&yylval) -# endif -# endif /* !YYLSP_NEEDED */ -#else /* !YYPURE */ -# define YYLEX yylex () -#endif /* !YYPURE */ +#ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +#else +# define YYLEX yylex (&yylval, &yylloc) +#endif /* Enable debugging if requested. */ #if YYDEBUG @@ -693,11 +729,17 @@ 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. */ @@ -777,72 +819,128 @@ yystpcpy (yydest, yysrc) -/* 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. */ +#if YYDEBUG +/*-----------------------------. +| Print this symbol on YYOUT. | +`-----------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yysymprint (FILE *yyout, int yytype, YYSTYPE yyvalue, YYLTYPE yylocation) +#else +static void +yysymprint (yyout, yytype, yyvalue, yylocation) + FILE *yyout; + int yytype; + YYSTYPE yyvalue; + YYLTYPE yylocation; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvalue; + (void) yylocation; + + 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. | +`-----------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yydestruct (int yytype, YYSTYPE yyvalue, YYLTYPE yylocation) +#else +static void +yydestruct (yytype, yyvalue, yylocation) + int yytype; + YYSTYPE yyvalue; + YYLTYPE yylocation; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvalue; + (void) yylocation; + + switch (yytype) + { + default: + break; + } +} + + + +/* Prevent warnings from -Wmissing-prototypes. */ #ifdef YYPARSE_PARAM # if defined (__STDC__) || defined (__cplusplus) -# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM -# define YYPARSE_PARAM_DECL +int yyparse (void *YYPARSE_PARAM); # else -# define YYPARSE_PARAM_ARG YYPARSE_PARAM -# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; +int yyparse (); # 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 +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) int yyparse (void); -# endif +#else +int yyparse (); +#endif #endif -/* YY_DECL_VARIABLES -- depending whether we use a pure parser, - variables are global, or local to YYPARSE. */ - -#define YY_DECL_NON_LSP_VARIABLES \ -/* The lookahead symbol. */ \ -int yychar; \ - \ -/* The semantic value of the lookahead symbol. */ \ -YYSTYPE yylval; \ - \ -/* Number of parse errors so far. */ \ -int yynerrs; -#if YYLSP_NEEDED -# define YY_DECL_VARIABLES \ -YY_DECL_NON_LSP_VARIABLES \ - \ -/* Location data for the lookahead symbol. */ \ -YYLTYPE yylloc; -#else -# define YY_DECL_VARIABLES \ -YY_DECL_NON_LSP_VARIABLES -#endif -/* If nonreentrant, generate the variables here. */ -#if !YYPURE -YY_DECL_VARIABLES -#endif /* !YYPURE */ + +/*----------. +| yyparse. | +`----------*/ + +#ifdef YYPARSE_PARAM +# if defined (__STDC__) || defined (__cplusplus) +int yyparse (void *YYPARSE_PARAM) +# else +int yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +# endif +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) int -yyparse (YYPARSE_PARAM_ARG) - YYPARSE_PARAM_DECL +yyparse (void) +#else +int +yyparse () + +#endif +#endif { - /* If reentrant, generate the variables here. */ -#if YYPURE - YY_DECL_VARIABLES -#endif /* !YYPURE */ + /* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of parse errors so far. */ +int yynerrs; +/* Location data for the lookahead symbol. */ +YYLTYPE yylloc; register int yystate; register int yyn; @@ -870,27 +968,19 @@ yyparse (YYPARSE_PARAM_ARG) YYSTYPE *yyvs = yyvsa; register YYSTYPE *yyvsp; -#if YYLSP_NEEDED /* The location stack. */ YYLTYPE yylsa[YYINITDEPTH]; YYLTYPE *yyls = yylsa; YYLTYPE *yylsp; -#endif -#if YYLSP_NEEDED -# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) -#else -# define YYPOPSTACK (yyvsp--, yyssp--) -#endif +#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) YYSIZE_T yystacksize = YYINITDEPTH; /* The variables used to return semantic value and location from the action routines. */ YYSTYPE yyval; -#if YYLSP_NEEDED YYLTYPE yyloc; -#endif /* When reducing, the number of symbols on the RHS of the reduced rule. */ @@ -910,9 +1000,7 @@ yyparse (YYPARSE_PARAM_ARG) yyssp = yyss; yyvsp = yyvs; -#if YYLSP_NEEDED yylsp = yyls; -#endif goto yysetstate; /*------------------------------------------------------------. @@ -927,7 +1015,7 @@ yyparse (YYPARSE_PARAM_ARG) yysetstate: *yyssp = yystate; - if (yyssp >= yyss + yystacksize - 1) + if (yyss + yystacksize - 1 <= yyssp) { /* Get the current used size of the three stacks, in elements. */ YYSIZE_T yysize = yyssp - yyss + 1; @@ -939,25 +1027,18 @@ yyparse (YYPARSE_PARAM_ARG) memory. */ YYSTYPE *yyvs1 = yyvs; short *yyss1 = yyss; + YYLTYPE *yyls1 = yyls; /* Each stack pointer address is followed by the size of the - data in use in that stack, in bytes. */ -# if YYLSP_NEEDED - YYLTYPE *yyls1 = yyls; - /* This used to be a conditional around just the two extra args, - but that might be undefined if yyoverflow is a macro. */ + 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), &yyls1, yysize * sizeof (*yylsp), &yystacksize); yyls = yyls1; -# else - yyoverflow ("parser stack overflow", - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - &yystacksize); -# endif yyss = yyss1; yyvs = yyvs1; } @@ -966,10 +1047,10 @@ yyparse (YYPARSE_PARAM_ARG) goto yyoverflowlab; # else /* Extend the stack our own way. */ - if (yystacksize >= YYMAXDEPTH) + if (YYMAXDEPTH <= yystacksize) goto yyoverflowlab; yystacksize *= 2; - if (yystacksize > YYMAXDEPTH) + if (YYMAXDEPTH < yystacksize) yystacksize = YYMAXDEPTH; { @@ -980,9 +1061,7 @@ yyparse (YYPARSE_PARAM_ARG) goto yyoverflowlab; YYSTACK_RELOCATE (yyss); YYSTACK_RELOCATE (yyvs); -# if YYLSP_NEEDED YYSTACK_RELOCATE (yyls); -# endif # undef YYSTACK_RELOCATE if (yyss1 != yyssa) YYSTACK_FREE (yyss1); @@ -992,14 +1071,12 @@ yyparse (YYPARSE_PARAM_ARG) yyssp = yyss + yysize - 1; yyvsp = yyvs + yysize - 1; -#if YYLSP_NEEDED yylsp = yyls + yysize - 1; -#endif YYDPRINTF ((stderr, "Stack size increased to %lu\n", (unsigned long int) yystacksize)); - if (yyssp >= yyss + yystacksize - 1) + if (yyss + yystacksize - 1 <= yyssp) YYABORT; } @@ -1019,7 +1096,7 @@ yybackup: /* First try to decide what to do without reference to lookahead token. */ yyn = yypact[yystate]; - if (yyn == YYFLAG) + if (yyn == YYPACT_NINF) goto yydefault; /* Not known => get a lookahead token if don't already have one. */ @@ -1046,45 +1123,26 @@ yybackup: { yychar1 = YYTRANSLATE (yychar); -#if YYDEBUG - /* We have to keep this `#if YYDEBUG', since we use variables - which are defined only if `YYDEBUG' is set. */ - if (yydebug) - { - YYFPRINTF (stderr, "Next token is %d (%s", - yychar, yytname[yychar1]); - /* Give the individual parser a way to print the precise - meaning of a token, for further debugging info. */ -# ifdef YYPRINT - YYPRINT (stderr, yychar, yylval); -# endif - YYFPRINTF (stderr, ")\n"); - } -#endif + /* 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, yyloc)); + 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 || yyn > YYLAST || yycheck[yyn] != yychar1) + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1) goto yydefault; - yyn = yytable[yyn]; - - /* yyn is what to do for this token type in this state. - Negative => reduce, -yyn is rule number. - Positive => shift, yyn is new state. - New state is final state => don't bother to shift, - just return success. - 0, or most negative number => error. */ - - if (yyn < 0) + if (yyn <= 0) { - if (yyn == YYFLAG) + if (yyn == 0 || yyn == YYTABLE_NINF) goto yyerrlab; yyn = -yyn; goto yyreduce; } - else if (yyn == 0) - goto yyerrlab; if (yyn == YYFINAL) YYACCEPT; @@ -1098,9 +1156,7 @@ yybackup: yychar = YYEMPTY; *++yyvsp = yylval; -#if YYLSP_NEEDED *++yylsp = yylloc; -#endif /* Count tokens shifted since error; after three, turn off error status. */ @@ -1131,17 +1187,15 @@ yyreduce: /* If YYLEN is nonzero, implement the default value of the action: `$$ = $1'. - Otherwise, the following line sets YYVAL to the semantic value of - the lookahead token. This behavior is undocumented and Bison + 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 YYLSP_NEEDED /* Default location. */ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); -#endif #if YYDEBUG /* We have to keep this `#if YYDEBUG', since we use variables which @@ -1154,7 +1208,7 @@ yyreduce: yyn - 1, yyrline[yyn]); /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyn]; yyrhs[yyi] >= 0; yyi++) + for (yyi = yyprhs[yyn]; 0 <= yyrhs[yyi]; yyi++) YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); } @@ -1162,367 +1216,407 @@ yyreduce: switch (yyn) { case 2: -#line 128 "parse-gram.y" -{ LOCATION_RESET (yylloc); ; } +#line 172 "parse-gram.y" + { + yycontrol->errcode = 0; + } break; - case 3: -#line 130 "parse-gram.y" -{ - yycontrol->errcode = 0; - epilogue_set (yyvsp[0].string, yylsp[0].first_line); - ; } + case 6: +#line 189 "parse-gram.y" + { prologue_augment (yyvsp[0].string, yylsp[0]); } break; case 7: -#line 143 "parse-gram.y" -{ prologue_augment (yyvsp[0].string, yylsp[0].first_line); ; } +#line 190 "parse-gram.y" + { debug_flag = 1; } break; case 8: -#line 144 "parse-gram.y" -{ debug_flag = 1; ; } +#line 191 "parse-gram.y" + { muscle_insert (yyvsp[-1].string, yyvsp[0].string); } break; case 9: -#line 145 "parse-gram.y" -{ muscle_insert (yyvsp[-1].string, yyvsp[0].string); ; } +#line 192 "parse-gram.y" + { defines_flag = 1; } break; case 10: -#line 146 "parse-gram.y" -{ defines_flag = 1; ; } +#line 193 "parse-gram.y" + { error_verbose = 1; } break; case 11: -#line 147 "parse-gram.y" -{ error_verbose = 1; ; } +#line 194 "parse-gram.y" + { expected_conflicts = yyvsp[0].integer; } break; case 12: -#line 148 "parse-gram.y" -{ expected_conflicts = yyvsp[0].integer; ; } +#line 195 "parse-gram.y" + { spec_file_prefix = yyvsp[0].string; } break; case 13: -#line 149 "parse-gram.y" -{ spec_file_prefix = yyvsp[0].string; ; } +#line 196 "parse-gram.y" + { glr_parser = 1; } break; case 14: -#line 150 "parse-gram.y" -{ locations_flag = 1; ; } +#line 198 "parse-gram.y" + { muscle_pair_list_grow ("lex_param", yyvsp[-2].string, yyvsp[0].string); } break; case 15: -#line 151 "parse-gram.y" -{ spec_name_prefix = yyvsp[0].string; ; } +#line 199 "parse-gram.y" + { locations_flag = 1; } break; case 16: -#line 152 "parse-gram.y" -{ no_lines_flag = 1; ; } +#line 200 "parse-gram.y" + { spec_name_prefix = yyvsp[0].string; } break; case 17: -#line 153 "parse-gram.y" -{ spec_outfile = yyvsp[0].string; ; } +#line 201 "parse-gram.y" + { no_lines_flag = 1; } break; case 18: -#line 154 "parse-gram.y" -{ pure_parser = 1; ; } +#line 202 "parse-gram.y" + { spec_outfile = yyvsp[0].string; } break; case 19: -#line 155 "parse-gram.y" -{ skeleton = yyvsp[0].string; ; } +#line 204 "parse-gram.y" + { muscle_pair_list_grow ("parse_param", yyvsp[-2].string, yyvsp[0].string); } break; case 20: -#line 156 "parse-gram.y" -{ token_table_flag = 1; ; } +#line 205 "parse-gram.y" + { pure_parser = 1; } break; case 21: -#line 157 "parse-gram.y" -{ report_flag = 1; ; } +#line 206 "parse-gram.y" + { skeleton = yyvsp[0].string; } break; case 22: -#line 158 "parse-gram.y" -{ yacc_flag = 1; ; } +#line 207 "parse-gram.y" + { token_table_flag = 1; } break; - case 24: -#line 163 "parse-gram.y" -{ current_class = nterm_sym; ; } - break; - - case 25: -#line 164 "parse-gram.y" -{ - current_class = unknown_sym; - current_type = NULL; - ; } + case 23: +#line 208 "parse-gram.y" + { report_flag = 1; } break; - case 26: -#line 169 "parse-gram.y" -{ - grammar_start_symbol_set (yyvsp[0].symbol); - ; } + case 24: +#line 209 "parse-gram.y" + { yacc_flag = 1; } break; case 27: -#line 172 "parse-gram.y" -{ current_class = token_sym; ; } +#line 216 "parse-gram.y" + { + grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]); + } break; case 28: -#line 173 "parse-gram.y" -{ - current_class = unknown_sym; - current_type = NULL; - ; } +#line 220 "parse-gram.y" + { + typed = 1; + MUSCLE_INSERT_INT ("stype_line", yylsp[0].first_line); + muscle_insert ("stype", yyvsp[0].string); + } break; case 29: -#line 177 "parse-gram.y" -{ current_type = yyvsp[0].string; ; } +#line 226 "parse-gram.y" + { current_braced_code = destructor_braced_code; } break; case 30: -#line 178 "parse-gram.y" -{ - current_type = NULL; - ; } +#line 228 "parse-gram.y" + { + symbol_list_t *list; + for (list = yyvsp[0].list; list; list = list->next) + symbol_destructor_set (list->sym, yyvsp[-1].string, yylsp[-1]); + symbol_list_free (yyvsp[0].list); + current_braced_code = action_braced_code; + } break; case 31: -#line 182 "parse-gram.y" -{ - typed = 1; - MUSCLE_INSERT_INT ("stype_line", yylsp[-1].first_line); - muscle_insert ("stype", yyvsp[-1].string); - ; } +#line 236 "parse-gram.y" + { current_braced_code = printer_braced_code; } break; case 32: -#line 191 "parse-gram.y" -{ current_assoc = yyvsp[-1].assoc; ++current_prec; ; } +#line 238 "parse-gram.y" + { + symbol_list_t *list; + for (list = yyvsp[0].list; list; list = list->next) + symbol_printer_set (list->sym, yyvsp[-1].string, list->location); + symbol_list_free (yyvsp[0].list); + current_braced_code = action_braced_code; + } break; case 33: -#line 193 "parse-gram.y" -{ current_assoc = non_assoc; current_type = NULL; ; } +#line 248 "parse-gram.y" + { current_class = nterm_sym; } break; case 34: -#line 197 "parse-gram.y" -{ yyval.assoc = left_assoc; ; } +#line 249 "parse-gram.y" + { + current_class = unknown_sym; + current_type = NULL; + } break; case 35: -#line 198 "parse-gram.y" -{ yyval.assoc = right_assoc; ; } +#line 253 "parse-gram.y" + { current_class = token_sym; } break; case 36: -#line 199 "parse-gram.y" -{ yyval.assoc = non_assoc; ; } +#line 254 "parse-gram.y" + { + current_class = unknown_sym; + current_type = NULL; + } break; case 37: -#line 203 "parse-gram.y" -{ current_type = NULL;; } +#line 259 "parse-gram.y" + { + symbol_list_t *list; + for (list = yyvsp[0].list; list; list = list->next) + symbol_type_set (list->sym, yyvsp[-1].struniq, yylsp[-1]); + symbol_list_free (yyvsp[0].list); + } break; case 38: -#line 204 "parse-gram.y" -{ current_type = yyvsp[0].string; ; } +#line 269 "parse-gram.y" + { + symbol_list_t *list; + ++current_prec; + for (list = yyvsp[0].list; list; list = list->next) + { + symbol_type_set (list->sym, current_type, yylsp[-1]); + symbol_precedence_set (list->sym, current_prec, yyvsp[-2].assoc, yylsp[-2]); + } + symbol_list_free (yyvsp[0].list); + current_type = NULL; + } break; case 39: -#line 209 "parse-gram.y" -{ symbol_type_set (yyvsp[0].symbol, current_type); ; } +#line 283 "parse-gram.y" + { yyval.assoc = left_assoc; } break; case 40: -#line 210 "parse-gram.y" -{ symbol_type_set (yyvsp[0].symbol, current_type); ; } +#line 284 "parse-gram.y" + { yyval.assoc = right_assoc; } break; case 41: -#line 216 "parse-gram.y" -{ - symbol_type_set (yyvsp[0].symbol, current_type); - symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc); - ; } +#line 285 "parse-gram.y" + { yyval.assoc = non_assoc; } break; case 42: -#line 221 "parse-gram.y" -{ - symbol_type_set (yyvsp[0].symbol, current_type); - symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc); - ; } +#line 289 "parse-gram.y" + { current_type = NULL; } break; case 43: -#line 231 "parse-gram.y" -{ - current_type = yyvsp[0].string; - ; } +#line 290 "parse-gram.y" + { current_type = yyvsp[0].struniq; } break; case 44: -#line 235 "parse-gram.y" -{ - symbol_class_set (yyvsp[0].symbol, current_class); - symbol_type_set (yyvsp[0].symbol, current_type); - ; } +#line 296 "parse-gram.y" + { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); } break; case 45: -#line 240 "parse-gram.y" -{ - symbol_class_set (yyvsp[-1].symbol, current_class); - symbol_type_set (yyvsp[-1].symbol, current_type); - symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer); - ; } +#line 297 "parse-gram.y" + { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); } break; case 46: -#line 246 "parse-gram.y" -{ - symbol_class_set (yyvsp[-1].symbol, current_class); - symbol_type_set (yyvsp[-1].symbol, current_type); - symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol); - ; } +#line 303 "parse-gram.y" + { + current_type = yyvsp[0].struniq; + } break; case 47: -#line 252 "parse-gram.y" -{ - symbol_class_set (yyvsp[-2].symbol, current_class); - symbol_type_set (yyvsp[-2].symbol, current_type); - symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer); - symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol); - ; } +#line 307 "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 48: -#line 263 "parse-gram.y" -{ ;; } +#line 312 "parse-gram.y" + { + symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); + symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); + symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer, yylsp[0]); + } break; case 49: -#line 265 "parse-gram.y" -{ ;; } - break; - - case 52: -#line 274 "parse-gram.y" -{ current_lhs = yyvsp[-1].symbol; ; } +#line 318 "parse-gram.y" + { + symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); + symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); + symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol, yyloc); + } break; - case 53: -#line 275 "parse-gram.y" -{ ;; } + case 50: +#line 324 "parse-gram.y" + { + symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]); + symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]); + symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer, yylsp[-1]); + symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol, yyloc); + } break; - case 54: -#line 279 "parse-gram.y" -{ grammar_rule_end (); ; } + case 51: +#line 335 "parse-gram.y" + {;} break; - case 55: -#line 280 "parse-gram.y" -{ grammar_rule_end (); ; } + case 52: +#line 337 "parse-gram.y" + {;} break; case 56: -#line 285 "parse-gram.y" -{ grammar_rule_begin (current_lhs); ; } +#line 356 "parse-gram.y" + { + if (yacc_flag) + complain_at (yyloc, _("POSIX forbids declarations in the grammar")); + } break; case 57: -#line 287 "parse-gram.y" -{ grammar_current_rule_symbol_append (yyvsp[0].symbol); ; } +#line 361 "parse-gram.y" + { + yyerrok; + } break; case 58: -#line 289 "parse-gram.y" -{ grammar_current_rule_action_append (yyvsp[0].string, yylsp[0].first_line); ; } +#line 367 "parse-gram.y" + { current_lhs = yyvsp[-1].symbol; current_lhs_location = yylsp[-1]; } break; case 59: -#line 291 "parse-gram.y" -{ grammar_current_rule_prec_set (yyvsp[0].symbol); ; } +#line 368 "parse-gram.y" + {;} break; case 60: -#line 295 "parse-gram.y" -{ yyval.symbol = yyvsp[0].symbol; ; } +#line 372 "parse-gram.y" + { grammar_rule_end (yylsp[0]); } break; case 61: -#line 296 "parse-gram.y" -{ yyval.symbol = yyvsp[0].symbol; ; } +#line 373 "parse-gram.y" + { grammar_rule_end (yylsp[0]); } break; case 62: -#line 297 "parse-gram.y" -{ yyval.symbol = getsym (yyvsp[0].string); ; } +#line 378 "parse-gram.y" + { grammar_rule_begin (current_lhs, current_lhs_location); } break; case 63: -#line 302 "parse-gram.y" -{ yyval.string = yyvsp[0].string; ; } +#line 380 "parse-gram.y" + { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } break; case 64: -#line 308 "parse-gram.y" -{ - yyval.symbol = getsym (yyvsp[0].string); - symbol_class_set (yyval.symbol, token_sym); - ; } +#line 382 "parse-gram.y" + { grammar_current_rule_action_append (yyvsp[0].string, yylsp[0]); } break; case 65: -#line 317 "parse-gram.y" -{ - yyval.string = yyvsp[0].string + 1; - yyval.string[strlen (yyval.string) - 1] = '\0'; - ; } +#line 384 "parse-gram.y" + { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } break; case 66: -#line 325 "parse-gram.y" -{ - yyval.string = xstrdup (""); - ; } +#line 386 "parse-gram.y" + { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } break; case 67: -#line 329 "parse-gram.y" -{ - yyval.string = yyvsp[0].string; - ; } +#line 388 "parse-gram.y" + { grammar_current_rule_merge_set (yyvsp[0].struniq, yylsp[0]); } + break; + + case 68: +#line 392 "parse-gram.y" + { yyval.symbol = yyvsp[0].symbol; } + break; + + case 69: +#line 393 "parse-gram.y" + { yyval.symbol = yyvsp[0].symbol; } + break; + + case 70: +#line 398 "parse-gram.y" + { yyval.string = yyvsp[0].string; } + break; + + case 71: +#line 404 "parse-gram.y" + { + yyval.symbol = symbol_get (yyvsp[0].string, yylsp[0]); + symbol_class_set (yyval.symbol, token_sym, yylsp[0]); + } + break; + + case 72: +#line 413 "parse-gram.y" + { + yyval.string = yyvsp[0].string + 1; + yyval.string[strlen (yyval.string) - 1] = '\0'; + } + break; + + case 74: +#line 422 "parse-gram.y" + { + epilogue_augment (yyvsp[0].string, yylsp[0]); + scanner_last_string_free (); + } break; } -/* Line 1010 of /usr/local/share/bison/bison.simple. */ -#line 1520 "parse-gram.c" +/* Line 1056 of /usr/local/share/bison/yacc.c. */ +#line 1616 "parse-gram.c" yyvsp -= yylen; yyssp -= yylen; -#if YYLSP_NEEDED yylsp -= yylen; -#endif #if YYDEBUG if (yydebug) @@ -1536,9 +1630,7 @@ yyreduce: #endif *++yyvsp = yyval; -#if YYLSP_NEEDED *++yylsp = yyloc; -#endif /* Now `shift' the result of the reduction. Determine what state that goes to, based on the state we popped back to and the rule @@ -1547,7 +1639,7 @@ yyreduce: yyn = yyr1[yyn]; yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTOKENS]; @@ -1563,13 +1655,13 @@ yyerrlab: if (!yyerrstatus) { ++yynerrs; - #if YYERROR_VERBOSE yyn = yypact[yystate]; - if (yyn > YYFLAG && yyn < YYLAST) + if (YYPACT_NINF < yyn && yyn < YYLAST) { YYSIZE_T yysize = 0; + int yytype = YYTRANSLATE (yychar); char *yymsg; int yyx, yycount; @@ -1578,15 +1670,15 @@ yyerrlab: YYCHECK. */ for (yyx = yyn < 0 ? -yyn : 0; yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) - if (yycheck[yyx + yyn] == yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) yysize += yystrlen (yytname[yyx]) + 15, yycount++; yysize += yystrlen ("parse error, unexpected ") + 1; - yysize += yystrlen (yytname[YYTRANSLATE (yychar)]); + yysize += yystrlen (yytname[yytype]); yymsg = (char *) YYSTACK_ALLOC (yysize); if (yymsg != 0) { char *yyp = yystpcpy (yymsg, "parse error, unexpected "); - yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]); + yyp = yystpcpy (yyp, yytname[yytype]); if (yycount < 5) { @@ -1594,7 +1686,7 @@ yyerrlab: for (yyx = yyn < 0 ? -yyn : 0; yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) - if (yycheck[yyx + yyn] == yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) { const char *yyq = ! yycount ? ", expecting " : " or "; yyp = yystpcpy (yyp, yyq); @@ -1604,13 +1696,13 @@ yyerrlab: } yyerror (yymsg); YYSTACK_FREE (yymsg); - } - else - yyerror ("parse error; also virtual memory exhausted"); - } + } + else + yyerror ("parse error; also virtual memory exhausted"); + } else #endif /* YYERROR_VERBOSE */ - yyerror ("parse error"); + yyerror ("parse error"); } goto yyerrlab1; @@ -1626,9 +1718,26 @@ yyerrlab1: /* Return failure if at end of input. */ if (yychar == YYEOF) - YYABORT; + { + /* Pop the error token. */ + YYPOPSTACK; + /* Pop the rest of the stack. */ + while (yyss < yyssp) + { + YYDPRINTF ((stderr, "Error: popping ")); + YYDSYMPRINT ((stderr, + yystos[*yyssp], + *yyvsp, *yylsp)); + YYDPRINTF ((stderr, "\n")); + yydestruct (yystos[*yyssp], *yyvsp, *yylsp); + YYPOPSTACK; + } + YYABORT; + } + YYDPRINTF ((stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1])); + yydestruct (yychar1, yylval, yylloc); yychar = YYEMPTY; } @@ -1640,7 +1749,7 @@ yyerrlab1: for (;;) { yyn = yypact[yystate]; - if (yyn != YYFLAG) + if (yyn != YYPACT_NINF) { yyn += YYTERROR; if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) @@ -1655,31 +1764,15 @@ yyerrlab1: if (yyssp == yyss) YYABORT; -#if YYDEBUG - if (yydebug) - { - if (yystos[yystate] < YYNTOKENS) - { - YYFPRINTF (stderr, "Error: popping token %d (%s", - yytoknum[yystos[yystate]], yytname[yystos[yystate]]); -# ifdef YYPRINT - YYPRINT (stderr, yytoknum[yystos[yystate]], *yyvsp); -# endif - YYFPRINTF (stderr, ")\n"); - } - else - { - YYFPRINTF (stderr, "Error: popping nonterminal (%s)\n", - yytname[yystos[yystate]]); - } - } -#endif + YYDPRINTF ((stderr, "Error: popping ")); + YYDSYMPRINT ((stderr, + yystos[*yyssp], *yyvsp, *yylsp)); + YYDPRINTF ((stderr, "\n")); + yydestruct (yystos[yystate], *yyvsp, *yylsp); yyvsp--; yystate = *--yyssp; -#if YYLSP_NEEDED yylsp--; -#endif #if YYDEBUG if (yydebug) @@ -1699,9 +1792,7 @@ yyerrlab1: YYDPRINTF ((stderr, "Shifting error token, ")); *++yyvsp = yylval; -#if YYLSP_NEEDED *++yylsp = yylloc; -#endif yystate = yyn; goto yynewstate; @@ -1721,13 +1812,15 @@ yyabortlab: yyresult = 1; goto yyreturn; -/*---------------------------------------------. -| yyoverflowab -- parser overflow comes here. | -`---------------------------------------------*/ +#ifndef yyoverflow +/*----------------------------------------------. +| yyoverflowlab -- parser overflow comes here. | +`----------------------------------------------*/ yyoverflowlab: yyerror ("parser stack overflow"); yyresult = 2; /* Fall through. */ +#endif yyreturn: #ifndef yyoverflow @@ -1737,7 +1830,8 @@ yyreturn: return yyresult; } -#line 338 "parse-gram.y" + +#line 432 "parse-gram.y" /*------------------------------------------------------------------. | When debugging the parser, display tokens' locations and values. | @@ -1745,17 +1839,11 @@ yyreturn: static void yyprint (FILE *file, - const yyltype *loc, int type, const yystype *value) + int type, const yystype *value) { - fputs (" (", file); - LOCATION_PRINT (file, *loc); - fputs (")", file); + fputc (' ', file); switch (type) { - case CHARACTER: - fprintf (file, " = '%s'", value->string); - break; - case ID: fprintf (file, " = %s", value->symbol->tag); break; @@ -1769,7 +1857,7 @@ yyprint (FILE *file, break; case TYPE: - fprintf (file, " = <%s>", value->string); + fprintf (file, " = <%s>", value->struniq); break; case BRACED_CODE: @@ -1777,14 +1865,16 @@ yyprint (FILE *file, case EPILOGUE: fprintf (file, " = {{ %s }}", value->string); break; + + default: + fprintf (file, "unknown token type"); + break; } } void -gram_error (gram_control_t *control ATTRIBUTE_UNUSED, - yyltype *yylloc, const char *msg) +gram_error (location_t *yylloc, const char *msg) { - LOCATION_PRINT (stderr, *yylloc); - fprintf (stderr, ": %s\n", msg); + complain_at (*yylloc, "%s", msg); }