X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0c15323de7250aea9aaef638dd7390cf24ad9ce8..d1a1114f7f257f89887ea5825ba0d896dfaa747b:/src/parse-gram.c diff --git a/src/parse-gram.c b/src/parse-gram.c index 3b29bbfa..3db6ae54 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,69 +1,88 @@ -/* A Bison parser, made from parse-gram.y - by GNU bison 1.35. */ +/* A Bison parser, made from parse-gram.y, by GNU bison 1.49c. */ -#define YYBISON 1 /* Identify Bison output. */ +/* Skeleton parser for Yacc-like parsing with Bison, + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software Foundation, Inc. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* As a special exception, when this file is copied by Bison into a + Bison output file, you may use that output file without restriction. + This special exception was added by the Free Software Foundation + in version 1.24 of Bison. */ + +/* Written by Richard Stallman by simplifying the original so called + ``semantic'' parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Pure parsers. */ +#define YYPURE 1 + +/* Using locations. */ +#define YYLSP_NEEDED 1 + +/* If NAME_PREFIX is specified substitute the variables and functions + names. */ #define yyparse gram_parse -#define yylex gram_lex +#define yylex gram_lex #define yyerror gram_error -#define yylval gram_lval -#define yychar gram_char +#define yylval gram_lval +#define yychar gram_char #define yydebug gram_debug #define yynerrs gram_nerrs -#define YYLSP_NEEDED 1 - -# define GRAM_EOF 0 -# define STRING 257 -# define CHARACTER 258 -# define INT 259 -# define PERCENT_TOKEN 260 -# define PERCENT_NTERM 261 -# define PERCENT_TYPE 262 -# define PERCENT_UNION 263 -# define PERCENT_EXPECT 264 -# define PERCENT_START 265 -# define PERCENT_LEFT 266 -# define PERCENT_RIGHT 267 -# define PERCENT_NONASSOC 268 -# define PERCENT_PREC 269 -# define PERCENT_VERBOSE 270 -# define PERCENT_ERROR_VERBOSE 271 -# define PERCENT_OUTPUT 272 -# define PERCENT_FILE_PREFIX 273 -# define PERCENT_NAME_PREFIX 274 -# define PERCENT_DEFINE 275 -# define PERCENT_PURE_PARSER 276 -# define PERCENT_DEFINES 277 -# define PERCENT_YACC 278 -# define PERCENT_DEBUG 279 -# define PERCENT_LOCATIONS 280 -# define PERCENT_NO_LINES 281 -# define PERCENT_SKELETON 282 -# define PERCENT_TOKEN_TABLE 283 -# define TYPE 284 -# define EQUAL 285 -# define SEMICOLON 286 -# define COLON 287 -# define PIPE 288 -# define ID 289 -# define PERCENT_PERCENT 290 -# define PROLOGUE 291 -# define EPILOGUE 292 -# define BRACED_CODE 293 +#define yylloc gram_lloc +/* 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 @@ -72,34 +91,150 @@ 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 location_t *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; 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; + + +/* 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_DESTRUCTOR = 264, + PERCENT_PRINTER = 265, + PERCENT_UNION = 266, + PERCENT_LEFT = 267, + PERCENT_RIGHT = 268, + PERCENT_NONASSOC = 269, + PERCENT_EXPECT = 270, + PERCENT_START = 271, + PERCENT_PREC = 272, + PERCENT_DPREC = 273, + PERCENT_MERGE = 274, + PERCENT_VERBOSE = 275, + PERCENT_ERROR_VERBOSE = 276, + PERCENT_OUTPUT = 277, + PERCENT_FILE_PREFIX = 278, + PERCENT_NAME_PREFIX = 279, + PERCENT_DEFINE = 280, + PERCENT_PURE_PARSER = 281, + PERCENT_GLR_PARSER = 282, + PERCENT_DEFINES = 283, + PERCENT_YACC = 284, + PERCENT_DEBUG = 285, + PERCENT_LOCATIONS = 286, + PERCENT_NO_LINES = 287, + PERCENT_SKELETON = 288, + PERCENT_TOKEN_TABLE = 289, + TYPE = 290, + EQUAL = 291, + SEMICOLON = 292, + COLON = 293, + PIPE = 294, + ID = 295, + PERCENT_PERCENT = 296, + PROLOGUE = 297, + EPILOGUE = 298, + BRACED_CODE = 299 + }; +# 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_DESTRUCTOR 264 +#define PERCENT_PRINTER 265 +#define PERCENT_UNION 266 +#define PERCENT_LEFT 267 +#define PERCENT_RIGHT 268 +#define PERCENT_NONASSOC 269 +#define PERCENT_EXPECT 270 +#define PERCENT_START 271 +#define PERCENT_PREC 272 +#define PERCENT_DPREC 273 +#define PERCENT_MERGE 274 +#define PERCENT_VERBOSE 275 +#define PERCENT_ERROR_VERBOSE 276 +#define PERCENT_OUTPUT 277 +#define PERCENT_FILE_PREFIX 278 +#define PERCENT_NAME_PREFIX 279 +#define PERCENT_DEFINE 280 +#define PERCENT_PURE_PARSER 281 +#define PERCENT_GLR_PARSER 282 +#define PERCENT_DEFINES 283 +#define PERCENT_YACC 284 +#define PERCENT_DEBUG 285 +#define PERCENT_LOCATIONS 286 +#define PERCENT_NO_LINES 287 +#define PERCENT_SKELETON 288 +#define PERCENT_TOKEN_TABLE 289 +#define TYPE 290 +#define EQUAL 291 +#define SEMICOLON 292 +#define COLON 293 +#define PIPE 294 +#define ID 295 +#define PERCENT_PERCENT 296 +#define PROLOGUE 297 +#define EPILOGUE 298 +#define BRACED_CODE 299 + + + + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 1 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif -#line 73 "parse-gram.y" #ifndef YYSTYPE -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; } yystype; +/* Line 188 of /usr/local/share/bison/yacc.c. */ +#line 238 "parse-gram.c" # define YYSTYPE yystype # define YYSTYPE_IS_TRIVIAL 1 #endif @@ -109,282 +244,20 @@ typedef struct yyltype { int first_line; int first_column; - int last_line; int last_column; } yyltype; - # define YYLTYPE yyltype # define YYLTYPE_IS_TRIVIAL 1 #endif -#ifndef YYDEBUG -# define YYDEBUG 1 -#endif - - - -#define YYFINAL 94 -#define YYFLAG -32768 -#define YYNTBASE 41 - -/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */ -#define YYTRANSLATE(x) ((unsigned)(x) <= 293 ? yytranslate[x] : 68) - -/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */ -static const char yytranslate[] = -{ - 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 4, 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, 40 -}; - -#if YYDEBUG -static const short yyprhs[] = -{ - 0, 0, 1, 7, 8, 11, 13, 15, 17, 21, - 23, 25, 28, 32, 34, 38, 40, 44, 46, 49, - 51, 53, 55, 57, 58, 62, 65, 66, 70, 71, - 76, 80, 81, 86, 88, 90, 92, 93, 95, 97, - 100, 102, 105, 107, 109, 112, 115, 119, 121, 124, - 126, 129, 130, 136, 138, 142, 143, 146, 149, 153, - 155, 157, 159, 161, 163, 165, 166, 169, 170 -}; -static const short yyrhs[] = -{ - -1, 42, 43, 37, 57, 66, 0, 0, 43, 44, - 0, 45, 0, 38, 0, 26, 0, 22, 65, 65, - 0, 24, 0, 18, 0, 11, 6, 0, 20, 32, - 65, 0, 27, 0, 21, 32, 65, 0, 28, 0, - 19, 32, 65, 0, 23, 0, 29, 65, 0, 30, - 0, 17, 0, 25, 0, 49, 0, 0, 8, 46, - 56, 0, 12, 62, 0, 0, 7, 47, 56, 0, - 0, 9, 31, 48, 53, 0, 10, 40, 67, 0, - 0, 51, 52, 50, 54, 0, 13, 0, 14, 0, - 15, 0, 0, 31, 0, 36, 0, 53, 36, 0, - 62, 0, 54, 62, 0, 31, 0, 36, 0, 36, - 6, 0, 36, 64, 0, 36, 6, 64, 0, 55, - 0, 56, 55, 0, 58, 0, 57, 58, 0, 0, - 36, 34, 59, 60, 33, 0, 61, 0, 60, 35, - 61, 0, 0, 61, 62, 0, 61, 63, 0, 61, - 16, 62, 0, 36, 0, 64, 0, 5, 0, 40, - 0, 4, 0, 4, 0, 0, 37, 39, 0, 0, - 33, 0 -}; - -#endif - -#if YYDEBUG -/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const short yyrline[] = -{ - 0, 132, 132, 140, 142, 145, 147, 151, 152, 153, - 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, - 164, 165, 168, 170, 170, 175, 179, 179, 184, 184, - 188, 196, 196, 203, 205, 206, 209, 211, 215, 217, - 221, 227, 236, 241, 246, 252, 258, 268, 271, 275, - 277, 280, 280, 285, 287, 290, 293, 295, 297, 301, - 303, 304, 307, 313, 322, 330, 335, 341, 343 -}; -#endif - - -#if (YYDEBUG) || defined YYERROR_VERBOSE - -/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */ -static const char *const yytname[] = -{ - "$", "error", "$undefined.", "\"end of string\"", "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", "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 -}; -#endif - -/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const short yyr1[] = -{ - 0, 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 -}; - -/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -static const short yyr2[] = -{ - 0, 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 -}; - -/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE - doesn't specify something else to do. Zero means the default is an - error. */ -static const short yydefact[] = -{ - 1, 3, 0, 26, 23, 0, 0, 0, 0, 33, - 34, 35, 20, 10, 0, 0, 0, 0, 17, 9, - 21, 7, 13, 15, 0, 19, 0, 6, 4, 5, - 22, 36, 0, 0, 28, 67, 11, 63, 61, 59, - 25, 60, 0, 0, 0, 64, 0, 18, 0, 65, - 49, 37, 31, 42, 43, 47, 27, 24, 0, 68, - 30, 16, 12, 14, 8, 51, 0, 50, 2, 0, - 44, 45, 48, 38, 29, 55, 66, 32, 40, 46, - 39, 0, 53, 41, 52, 55, 0, 62, 56, 57, - 54, 58, 0, 0, 0 -}; - -static const short yydefgoto[] = -{ - 92, 1, 2, 28, 29, 33, 32, 58, 30, 69, - 31, 52, 74, 77, 55, 56, 49, 50, 75, 81, - 82, 88, 89, 41, 46, 68, 60 -}; - -static const short yypact[] = -{ - -32768,-32768, 72,-32768,-32768, -22, -29, 8, -1,-32768, - -32768,-32768,-32768,-32768, -16, -14, -11, 22,-32768,-32768, - -32768,-32768,-32768,-32768, 22,-32768, -6,-32768,-32768,-32768, - -32768, 0, -24, -24,-32768, 1,-32768,-32768,-32768,-32768, - -32768,-32768, 22, 22, 22,-32768, 22,-32768, -2, -17, - -32768,-32768,-32768,-32768, 4,-32768, -24, -24, 2,-32768, - -32768,-32768,-32768,-32768,-32768,-32768, 3,-32768,-32768, -1, - 32,-32768,-32768,-32768, 5,-32768,-32768, -1,-32768,-32768, - -32768, -18, -3,-32768,-32768,-32768, -1,-32768,-32768,-32768, - -3,-32768, 39, 40,-32768 -}; - -static const short yypgoto[] = -{ - -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, - -32768,-32768,-32768,-32768, -28, 10,-32768, -5,-32768,-32768, - -40, -8,-32768, -48, -19,-32768,-32768 -}; - - -#define YYLAST 110 - - -static const short yytable[] = -{ - 40, 37, 38, 37, 38, 47, 71, 53, 37, 34, - 70, 35, 54, 86, 36, 84, 42, 85, 43, 48, - 66, 44, 79, 61, 62, 63, 45, 64, 72, 72, - 48, 51, 65, 39, 59, 39, 37, 87, 73, 93, - 94, 80, 76, 57, 67, 90, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 78, 0, 0, 0, 0, 0, 0, 0, 83, - 0, 0, 0, 0, 0, 0, 0, 0, 91, 3, - 4, 5, 6, 7, 8, 9, 10, 11, 0, 12, - 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, - 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, - 27 -}; - -static const short yycheck[] = -{ - 8, 4, 5, 4, 5, 24, 54, 31, 4, 31, - 6, 40, 36, 16, 6, 33, 32, 35, 32, 36, - 37, 32, 70, 42, 43, 44, 4, 46, 56, 57, - 36, 31, 34, 36, 33, 36, 4, 40, 36, 0, - 0, 36, 39, 33, 49, 85, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 69, -1, -1, -1, -1, -1, -1, -1, 77, - -1, -1, -1, -1, -1, -1, -1, -1, 86, 7, - 8, 9, 10, 11, 12, 13, 14, 15, -1, 17, - 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, - 28, 29, 30, -1, -1, -1, -1, -1, -1, 37, - 38 -}; -#define YYPURE 1 - -/* -*-C-*- Note some compilers choke on comments on `#line' lines. */ -#line 3 "/usr/share/bison/bison.simple" +/* Copy the second part of user declarations. */ -/* Skeleton output parser for bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software - Foundation, Inc. +/* Line 208 of /usr/local/share/bison/yacc.c. */ +#line 259 "parse-gram.c" - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* As a special exception, when this file is copied by Bison into a - Bison output file, you may use that output file without restriction. - This special exception was added by the Free Software Foundation - in version 1.24 of Bison. */ - -/* 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 hairy parser - used when %semantic_parser is specified. */ - -/* All symbols defined below should begin with yy or YY, to avoid - infringing on user name space. This should be done even for local - variables, as they might otherwise be expanded by user macros. - There are some unavoidable exceptions within include files to - define necessary library symbols; they are noted "INFRINGES ON - USER NAME SPACE" below. */ - -#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE) +#if ! defined (yyoverflow) || YYERROR_VERBOSE /* The parser invokes alloca or malloc; define the necessary symbols. */ @@ -413,7 +286,7 @@ static const short yycheck[] = # define YYSTACK_ALLOC malloc # define YYSTACK_FREE free # endif -#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */ +#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ #if (! defined (yyoverflow) \ @@ -425,9 +298,7 @@ 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. */ @@ -435,15 +306,9 @@ 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. */ @@ -457,7 +322,7 @@ union yyalloc { \ register YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ - (To)[yyi] = (From)[yyi]; \ + (To)[yyi] = (From)[yyi]; \ } \ while (0) # endif @@ -481,6 +346,285 @@ union yyalloc #endif +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 3 +#define YYLAST 127 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 45 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 28 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 75 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 108 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 299 + +#define YYTRANSLATE(X) \ + ((unsigned)(X) <= YYMAXUTOK ? yytranslate[X] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const unsigned char yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const unsigned char yyprhs[] = +{ + 0, 0, 3, 8, 9, 13, 15, 17, 19, 23, + 25, 27, 30, 34, 36, 40, 42, 46, 48, 50, + 53, 55, 57, 59, 61, 63, 66, 69, 70, 75, + 76, 81, 82, 86, 87, 91, 95, 99, 101, 103, + 105, 106, 108, 110, 113, 115, 117, 120, 123, 127, + 129, 132, 134, 137, 139, 142, 145, 146, 152, 154, + 158, 159, 162, 165, 169, 173, 177, 179, 181, 183, + 185, 187, 189, 190, 193, 194 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const signed char yyrhs[] = +{ + 46, 0, -1, 47, 41, 61, 71, -1, -1, 47, + 48, 72, -1, 49, -1, 42, -1, 30, -1, 25, + 70, 70, -1, 28, -1, 21, -1, 15, 5, -1, + 23, 36, 70, -1, 31, -1, 24, 36, 70, -1, + 32, -1, 22, 36, 70, -1, 26, -1, 27, -1, + 33, 70, -1, 34, -1, 20, -1, 29, -1, 55, + -1, 52, -1, 16, 67, -1, 11, 44, -1, -1, + 9, 50, 44, 58, -1, -1, 10, 51, 44, 58, + -1, -1, 7, 53, 60, -1, -1, 6, 54, 60, + -1, 8, 35, 58, -1, 56, 57, 58, -1, 12, + -1, 13, -1, 14, -1, -1, 35, -1, 67, -1, + 58, 67, -1, 35, -1, 40, -1, 40, 5, -1, + 40, 69, -1, 40, 5, 69, -1, 59, -1, 60, + 59, -1, 62, -1, 61, 62, -1, 63, -1, 49, + 37, -1, 1, 37, -1, -1, 40, 38, 64, 65, + 37, -1, 66, -1, 65, 39, 66, -1, -1, 66, + 67, -1, 66, 68, -1, 66, 17, 67, -1, 66, + 18, 5, -1, 66, 19, 35, -1, 40, -1, 69, + -1, 4, -1, 44, -1, 3, -1, 3, -1, -1, + 41, 43, -1, -1, 37, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const unsigned short yyrline[] = +{ + 0, 162, 162, 175, 177, 180, 182, 183, 184, 185, + 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, + 196, 197, 198, 201, 203, 204, 208, 215, 214, 225, + 224, 237, 236, 242, 242, 247, 256, 271, 273, 274, + 277, 279, 284, 286, 290, 295, 300, 306, 312, 322, + 325, 334, 336, 342, 344, 349, 356, 355, 360, 362, + 365, 368, 370, 372, 374, 376, 380, 382, 383, 386, + 392, 401, 409, 414, 420, 422 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE +/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "\"end of file\"", "error", "$undefined", "\"string\"", "\"character\"", + "\"integer\"", "\"%token\"", "\"%nterm\"", "\"%type\"", + "\"%destructor\"", "\"%printer\"", "\"%union\"", "\"%left\"", + "\"%right\"", "\"%nonassoc\"", "\"%expect\"", "\"%start\"", "\"%prec\"", + "\"%dprec\"", "\"%merge\"", "\"%verbose\"", "\"%error-verbose\"", + "\"%output\"", "\"%file-prefix\"", "\"%name-prefix\"", "\"%define\"", + "\"%pure-parser\"", "\"%glr-parser\"", "\"%defines\"", "\"%yacc\"", + "\"%debug\"", "\"%locations\"", "\"%no-lines\"", "\"%skeleton\"", + "\"%token-table\"", "\"type\"", "\"=\"", "\";\"", "\":\"", "\"|\"", + "\"identifier\"", "\"%%\"", "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", + "$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 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, + 295, 296, 297, 298, 299 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const unsigned char yyr1[] = +{ + 0, 45, 46, 47, 47, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 49, 49, 49, 49, 50, 49, 51, + 49, 53, 52, 54, 52, 52, 55, 56, 56, 56, + 57, 57, 58, 58, 59, 59, 59, 59, 59, 60, + 60, 61, 61, 62, 62, 62, 64, 63, 65, 65, + 66, 66, 66, 66, 66, 66, 67, 67, 67, 68, + 69, 70, 71, 71, 72, 72 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const unsigned char yyr2[] = +{ + 0, 2, 4, 0, 3, 1, 1, 1, 3, 1, + 1, 2, 3, 1, 3, 1, 3, 1, 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, 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 unsigned char yydefact[] = +{ + 3, 0, 0, 1, 33, 31, 0, 27, 29, 0, + 37, 38, 39, 0, 0, 21, 10, 0, 0, 0, + 0, 17, 18, 9, 22, 7, 13, 15, 0, 20, + 0, 6, 74, 5, 24, 23, 40, 0, 0, 0, + 0, 0, 26, 11, 70, 68, 66, 25, 67, 0, + 0, 0, 71, 0, 19, 0, 0, 0, 0, 51, + 53, 75, 4, 41, 0, 44, 45, 49, 34, 32, + 35, 42, 0, 0, 16, 12, 14, 8, 55, 56, + 54, 0, 52, 2, 36, 46, 47, 50, 43, 28, + 30, 60, 73, 48, 0, 58, 57, 60, 0, 0, + 0, 69, 61, 62, 59, 63, 64, 65 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const signed char yydefgoto[] = +{ + -1, 1, 2, 32, 57, 40, 41, 34, 38, 37, + 35, 36, 64, 70, 67, 68, 58, 59, 60, 91, + 94, 95, 71, 103, 48, 53, 83, 62 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -61 +static const signed char yypact[] = +{ + -61, 35, 85, -61, -61, -61, 2, -61, -61, -5, + -61, -61, -61, 31, 0, -61, -61, 18, 21, 22, + 59, -61, -61, -61, -61, -61, -61, -61, 59, -61, + 37, -61, 26, -61, -61, -61, 29, -19, -19, 0, + 23, 24, -61, -61, -61, -61, -61, -61, -61, 59, + 59, 59, -61, 59, -61, 28, 33, 32, 1, -61, + -61, -61, -61, -61, 0, -61, 17, -61, -19, -19, + 0, -61, 0, 0, -61, -61, -61, -61, -61, -61, + -61, 30, -61, -61, 0, 63, -61, -61, -61, 0, + 0, -61, -61, -61, -8, 15, -61, -61, 0, 67, + 39, -61, -61, -61, 15, -61, -61, -61 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const signed char yypgoto[] = +{ + -61, -61, -61, -61, 76, -61, -61, -61, -61, -61, + -61, -61, -61, -12, -45, 41, -61, 25, -61, -61, + -61, -17, -14, -61, -60, -23, -61, -61 +}; + +/* 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. */ +#define YYTABLE_NINF -62 +static const signed char yytable[] = +{ + 47, -72, 55, 44, 45, 54, 86, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 65, 14, 44, 45, + 44, 66, 85, 87, 87, 93, 74, 75, 76, 96, + 77, 97, 98, 99, 100, 3, 43, 39, 55, 42, + 46, 56, 81, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 84, 14, 49, 46, 88, 50, 51, 101, + 89, 90, 52, 61, 63, 78, 44, 72, 73, 80, + 88, 79, 106, 92, 107, 88, 88, 56, 33, 69, + 104, 102, 0, 82, 105, 0, 0, 0, 0, 0, + 102, 4, 5, 6, 7, 8, 9, 10, 11, 12, + 13, 14, 0, 0, 0, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 0, 0, 0, 0, 0, 0, 30, 31 +}; + +static const signed char yycheck[] = +{ + 14, 0, 1, 3, 4, 28, 66, 6, 7, 8, + 9, 10, 11, 12, 13, 14, 35, 16, 3, 4, + 3, 40, 5, 68, 69, 85, 49, 50, 51, 37, + 53, 39, 17, 18, 19, 0, 5, 35, 1, 44, + 40, 40, 41, 6, 7, 8, 9, 10, 11, 12, + 13, 14, 64, 16, 36, 40, 70, 36, 36, 44, + 72, 73, 3, 37, 35, 37, 3, 44, 44, 37, + 84, 38, 5, 43, 35, 89, 90, 40, 2, 38, + 97, 95, -1, 58, 98, -1, -1, -1, -1, -1, + 104, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, -1, -1, -1, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + -1, -1, -1, -1, -1, -1, 41, 42 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const unsigned char yystos[] = +{ + 0, 46, 47, 0, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 41, 42, 48, 49, 52, 55, 56, 54, 53, 35, + 50, 51, 44, 5, 3, 4, 40, 67, 69, 36, + 36, 36, 3, 70, 70, 1, 40, 49, 61, 62, + 63, 37, 72, 35, 57, 35, 40, 59, 60, 60, + 58, 67, 44, 44, 70, 70, 70, 70, 37, 38, + 37, 41, 62, 71, 58, 5, 69, 59, 67, 58, + 58, 64, 43, 69, 65, 66, 37, 39, 17, 18, + 19, 44, 67, 68, 66, 67, 5, 35 +}; #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) # define YYSIZE_T __SIZE_TYPE__ @@ -502,14 +646,19 @@ union yyalloc #define yyclearin (yychar = YYEMPTY) #define YYEMPTY -2 #define YYEOF 0 + #define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab +#define YYABORT goto yyabortlab #define YYERROR goto yyerrlab1 + /* Like YYERROR except do call yyerror. This remains here temporarily to ease the transition to the new meaning of YYERROR, for GCC. Once GCC version 2 has supplanted version 1, this can go. */ + #define YYFAIL goto yyerrlab + #define YYRECOVERING() (!!yyerrstatus) + #define YYBACKUP(Token, Value) \ do \ if (yychar == YYEMPTY && yylen == 1) \ @@ -530,41 +679,24 @@ while (0) #define YYTERROR 1 #define YYERRCODE 256 - /* YYLLOC_DEFAULT -- Compute the default location (before the actions - are run). - - When YYLLOC_DEFAULT is run, CURRENT is set the location of the - first token. By default, to implement support for ranges, extend - its range to the last symbol. */ + are run). */ #ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - 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. */ -#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 @@ -579,11 +711,17 @@ 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. */ @@ -605,8 +743,10 @@ int yydebug; #ifndef YYMAXDEPTH # define YYMAXDEPTH 10000 #endif + -#ifdef YYERROR_VERBOSE + +#if YYERROR_VERBOSE # ifndef yystrlen # if defined (__GLIBC__) && defined (_STRING_H) @@ -656,10 +796,149 @@ yystpcpy (yydest, yysrc) } # endif # endif -#endif + +#endif /* !YYERROR_VERBOSE */ + -#line 315 "/usr/share/bison/bison.simple" +#if YYDEBUG +/*-----------------------------. +| Print this symbol on YYOUT. | +`-----------------------------*/ + +static void +#if defined (__STDC__) || defined (__cplusplus) +yysymprint (FILE* yyout, int yytype, YYSTYPE yyvalue, YYLTYPE yylocation) +#else +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. */ + + +/*----------------------------------------------------------. +| yyreport_parse_error -- report a parse error in YYSTATE. | +`----------------------------------------------------------*/ + +static void +#if defined (__STDC__) || defined (__cplusplus) +yyreport_parse_error (int yystate, int yychar, YYSTYPE yyvalue, YYLTYPE yylloc) +#else +yyreport_parse_error (yystate, yychar, yyvalue, yylloc) + int yystate; + int yychar; + YYSTYPE yyvalue; + YYLTYPE yylloc; +#endif +{ +#if YYERROR_VERBOSE + int yyn = yypact[yystate]; + + if (YYPACT_NINF < yyn && yyn < YYLAST) + { + YYSIZE_T yysize = 0; + int yytype = YYTRANSLATE (yychar); + char *yymsg; + int yyx, yycount; + + yycount = 0; + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + yysize += yystrlen (yytname[yyx]) + 15, yycount++; + yysize += yystrlen ("parse error, unexpected ") + 1; + yysize += yystrlen (yytname[yytype]); + yymsg = (char *) YYSTACK_ALLOC (yysize); + if (yymsg != 0) + { + char *yyp = yystpcpy (yymsg, "parse error, unexpected "); + yyp = yystpcpy (yyp, yytname[yytype]); + + if (yycount < 5) + { + yycount = 0; + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); + yyx++) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + const char *yyq = ! yycount ? ", expecting " : " or "; + yyp = yystpcpy (yyp, yyq); + yyp = yystpcpy (yyp, yytname[yyx]); + yycount++; + } + } + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("parse error; also virtual memory exhausted"); + } + else +#endif /* YYERROR_VERBOSE */ + yyerror ("parse error"); + + /* Pacify ``unused variable'' warnings. */ + (void) yystate; + (void) yychar; + (void) yyvalue; + (void) yylloc; +} + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +#if defined (__STDC__) || defined (__cplusplus) +yydestruct (int yytype, YYSTYPE yyvalue, YYLTYPE yylocation) +#else +yydestruct (yytype, yyvalue, yylocation) + int yytype; + YYSTYPE yyvalue; + YYLTYPE yylocation; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvalue; + (void) yylocation; + + switch (yytype) + { + default: + break; + } +} + + /* The user can define YYPARSE_PARAM as the name of an argument to be passed into yyparse. The argument should have type void *. @@ -689,45 +968,23 @@ int yyparse (void); # 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 */ int yyparse (YYPARSE_PARAM_ARG) YYPARSE_PARAM_DECL { - /* 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; @@ -745,7 +1002,7 @@ yyparse (YYPARSE_PARAM_ARG) Refer to the stacks thru separate pointers, to allow yyoverflow to reallocate them elsewhere. */ - /* The state stack. */ + /* The state stack. */ short yyssa[YYINITDEPTH]; short *yyss = yyssa; register short *yyssp; @@ -755,31 +1012,22 @@ 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. */ + rule. */ int yylen; YYDPRINTF ((stderr, "Starting parse\n")); @@ -796,9 +1044,7 @@ yyparse (YYPARSE_PARAM_ARG) yyssp = yyss; yyvsp = yyvs; -#if YYLSP_NEEDED yylsp = yyls; -#endif goto yysetstate; /*------------------------------------------------------------. @@ -825,25 +1071,18 @@ 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; } @@ -866,10 +1105,8 @@ yyparse (YYPARSE_PARAM_ARG) goto yyoverflowlab; YYSTACK_RELOCATE (yyss); YYSTACK_RELOCATE (yyvs); -# if YYLSP_NEEDED YYSTACK_RELOCATE (yyls); -# endif -# undef YYSTACK_RELOCATE +# undef YYSTACK_RELOCATE if (yyss1 != yyssa) YYSTACK_FREE (yyss1); } @@ -878,9 +1115,7 @@ 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)); @@ -893,7 +1128,6 @@ yyparse (YYPARSE_PARAM_ARG) goto yybackup; - /*-----------. | yybackup. | `-----------*/ @@ -906,7 +1140,7 @@ 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. */ @@ -920,12 +1154,12 @@ yybackup: yychar = YYLEX; } - /* Convert token to internal form (in yychar1) for indexing tables with */ + /* Convert token to internal form (in yychar1) for indexing tables with. */ - if (yychar <= 0) /* This means end of input. */ + if (yychar <= 0) /* This means end of input. */ { yychar1 = 0; - yychar = YYEOF; /* Don't call YYLEX any more */ + yychar = YYEOF; /* Don't call YYLEX any more. */ YYDPRINTF ((stderr, "Now at end of input.\n")); } @@ -933,25 +1167,15 @@ 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")); } yyn += yychar1; - if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1) goto yydefault; yyn = yytable[yyn]; @@ -965,7 +1189,7 @@ yybackup: if (yyn < 0) { - if (yyn == YYFLAG) + if (yyn == YYTABLE_NINF) goto yyerrlab; yyn = -yyn; goto yyreduce; @@ -985,9 +1209,7 @@ yybackup: yychar = YYEMPTY; *++yyvsp = yylval; -#if YYLSP_NEEDED *++yylsp = yylloc; -#endif /* Count tokens shifted since error; after three, turn off error status. */ @@ -1018,19 +1240,15 @@ 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 - /* Similarly for the default location. Let the user run additional - commands if for instance locations are ranges. */ - yyloc = yylsp[1-yylen]; + /* Default location. */ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); -#endif #if YYDEBUG /* We have to keep this `#if YYDEBUG', since we use variables which @@ -1040,320 +1258,420 @@ yyreduce: int yyi; YYFPRINTF (stderr, "Reducing via rule %d (line %d), ", - yyn, yyrline[yyn]); + yyn - 1, yyrline[yyn]); /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++) + for (yyi = yyprhs[yyn]; yyrhs[yyi] >= 0; yyi++) YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); } #endif - - switch (yyn) { - -case 1: -#line 132 "parse-gram.y" -{ LOCATION_RESET (yylloc); } - break; -case 2: -#line 134 "parse-gram.y" -{ + switch (yyn) + { + case 2: +#line 164 "parse-gram.y" + { yycontrol->errcode = 0; epilogue_set (yyvsp[0].string, yylsp[0]); } break; -case 6: -#line 148 "parse-gram.y" -{ - prologue_augment (yyvsp[0].string, yylsp[0]); - } + + case 6: +#line 182 "parse-gram.y" + { prologue_augment (yyvsp[0].string, yylsp[0]); } + break; + + case 7: +#line 183 "parse-gram.y" + { debug_flag = 1; } + break; + + case 8: +#line 184 "parse-gram.y" + { muscle_insert (yyvsp[-1].string, yyvsp[0].string); } + break; + + case 9: +#line 185 "parse-gram.y" + { defines_flag = 1; } break; -case 7: -#line 151 "parse-gram.y" -{ debug_flag = 1; } + + case 10: +#line 186 "parse-gram.y" + { error_verbose = 1; } break; -case 8: -#line 152 "parse-gram.y" -{ muscle_insert (yyvsp[-1].string, yyvsp[0].string); } + + case 11: +#line 187 "parse-gram.y" + { expected_conflicts = yyvsp[0].integer; } break; -case 9: -#line 153 "parse-gram.y" -{ defines_flag = 1; } + + case 12: +#line 188 "parse-gram.y" + { spec_file_prefix = yyvsp[0].string; } break; -case 10: -#line 154 "parse-gram.y" -{ error_verbose = 1; } + + case 13: +#line 189 "parse-gram.y" + { locations_flag = 1; } break; -case 11: -#line 155 "parse-gram.y" -{ expected_conflicts = yyvsp[0].integer; } + + case 14: +#line 190 "parse-gram.y" + { spec_name_prefix = yyvsp[0].string; } break; -case 12: -#line 156 "parse-gram.y" -{ spec_file_prefix = yyvsp[0].string; } + + case 15: +#line 191 "parse-gram.y" + { no_lines_flag = 1; } break; -case 13: -#line 157 "parse-gram.y" -{ locations_flag = 1; } + + case 16: +#line 192 "parse-gram.y" + { spec_outfile = yyvsp[0].string; } break; -case 14: -#line 158 "parse-gram.y" -{ spec_name_prefix = yyvsp[0].string; } + + case 17: +#line 193 "parse-gram.y" + { pure_parser = 1; } break; -case 15: -#line 159 "parse-gram.y" -{ no_lines_flag = 1; } + + case 18: +#line 194 "parse-gram.y" + { glr_parser = 1; } break; -case 16: -#line 160 "parse-gram.y" -{ spec_outfile = yyvsp[0].string; } + + case 19: +#line 195 "parse-gram.y" + { skeleton = yyvsp[0].string; } break; -case 17: -#line 161 "parse-gram.y" -{ pure_parser = 1; } + + case 20: +#line 196 "parse-gram.y" + { token_table_flag = 1; } break; -case 18: -#line 162 "parse-gram.y" -{ skeleton = yyvsp[0].string; } + + case 21: +#line 197 "parse-gram.y" + { report_flag = 1; } break; -case 19: -#line 163 "parse-gram.y" -{ token_table_flag = 1; } + + case 22: +#line 198 "parse-gram.y" + { yacc_flag = 1; } break; -case 20: -#line 164 "parse-gram.y" -{ report_flag = 1; } + + case 25: +#line 205 "parse-gram.y" + { + grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]); + } break; -case 21: -#line 165 "parse-gram.y" -{ yacc_flag = 1; } + + case 26: +#line 209 "parse-gram.y" + { + typed = 1; + MUSCLE_INSERT_INT ("stype_line", yylsp[0].first_line); + muscle_insert ("stype", yyvsp[0].string); + } break; -case 23: -#line 170 "parse-gram.y" -{ current_class = nterm_sym; } + + case 27: +#line 215 "parse-gram.y" + { current_braced_code = destructor_braced_code; } break; -case 24: -#line 171 "parse-gram.y" -{ - current_class = unknown_sym; - current_type = NULL; + + case 28: +#line 217 "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 25: -#line 176 "parse-gram.y" -{ - grammar_start_symbol_set (yyvsp[0].symbol); + + case 29: +#line 225 "parse-gram.y" + { current_braced_code = printer_braced_code; } + break; + + case 30: +#line 227 "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 26: -#line 179 "parse-gram.y" -{ current_class = token_sym; } + + case 31: +#line 237 "parse-gram.y" + { current_class = nterm_sym; } break; -case 27: -#line 180 "parse-gram.y" -{ + + case 32: +#line 238 "parse-gram.y" + { current_class = unknown_sym; current_type = NULL; } break; -case 28: -#line 184 "parse-gram.y" -{current_type = yyvsp[0].string; } + + case 33: +#line 242 "parse-gram.y" + { current_class = token_sym; } break; -case 29: -#line 185 "parse-gram.y" -{ + + case 34: +#line 243 "parse-gram.y" + { + current_class = unknown_sym; current_type = NULL; } break; -case 30: -#line 189 "parse-gram.y" -{ - typed = 1; - MUSCLE_INSERT_INT ("stype_line", yylsp[-1].first_line); - muscle_insert ("stype", yyvsp[-1].string); + + case 35: +#line 248 "parse-gram.y" + { + symbol_list_t *list; + for (list = yyvsp[0].list; list; list = list->next) + symbol_type_set (list->sym, yyvsp[-1].string, yylsp[-1]); + symbol_list_free (yyvsp[0].list); } break; -case 31: -#line 198 "parse-gram.y" -{ current_assoc = yyvsp[-1].assoc; ++current_prec; } + + case 36: +#line 258 "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 37: +#line 272 "parse-gram.y" + { yyval.assoc = left_assoc; } break; -case 32: -#line 200 "parse-gram.y" -{ current_assoc = non_assoc; current_type = NULL; } + + case 38: +#line 273 "parse-gram.y" + { yyval.assoc = right_assoc; } break; -case 33: -#line 204 "parse-gram.y" -{ yyval.assoc = left_assoc; } + + case 39: +#line 274 "parse-gram.y" + { yyval.assoc = non_assoc; } break; -case 34: -#line 205 "parse-gram.y" -{ yyval.assoc = right_assoc; } + + case 40: +#line 278 "parse-gram.y" + { current_type = NULL;} break; -case 35: -#line 206 "parse-gram.y" -{ yyval.assoc = non_assoc; } + + case 41: +#line 279 "parse-gram.y" + { current_type = yyvsp[0].string; } break; -case 36: -#line 210 "parse-gram.y" -{ current_type = NULL;} + + case 42: +#line 285 "parse-gram.y" + { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); } break; -case 37: -#line 211 "parse-gram.y" -{ current_type = yyvsp[0].string; } + + case 43: +#line 286 "parse-gram.y" + { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); } break; -case 38: -#line 216 "parse-gram.y" -{ symbol_type_set (yyvsp[0].symbol, current_type); } + + case 44: +#line 292 "parse-gram.y" + { + current_type = yyvsp[0].string; + } break; -case 39: -#line 217 "parse-gram.y" -{ symbol_type_set (yyvsp[0].symbol, current_type); } + + case 45: +#line 296 "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 40: -#line 223 "parse-gram.y" -{ - symbol_type_set (yyvsp[0].symbol, current_type); - symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc); + + case 46: +#line 301 "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 41: -#line 228 "parse-gram.y" -{ - symbol_type_set (yyvsp[0].symbol, current_type); - symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc); + + case 47: +#line 307 "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 42: -#line 238 "parse-gram.y" -{ - current_type = yyvsp[0].string; - } + + case 48: +#line 313 "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 43: -#line 242 "parse-gram.y" -{ - symbol_class_set (yyvsp[0].symbol, current_class); - symbol_type_set (yyvsp[0].symbol, current_type); - } + + case 49: +#line 324 "parse-gram.y" + {;} break; -case 44: -#line 247 "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); - } + + case 50: +#line 326 "parse-gram.y" + {;} break; -case 45: -#line 253 "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); + + case 54: +#line 345 "parse-gram.y" + { + if (yacc_flag) + complain_at (yyloc, _("POSIX forbids declarations in the grammar")); } break; -case 46: -#line 259 "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); + + case 55: +#line 350 "parse-gram.y" + { + yyerrok; } break; -case 47: -#line 270 "parse-gram.y" -{;} + + case 56: +#line 356 "parse-gram.y" + { current_lhs = yyvsp[-1].symbol; current_lhs_location = yylsp[-1]; } break; -case 48: -#line 272 "parse-gram.y" -{;} + + case 57: +#line 357 "parse-gram.y" + {;} break; -case 51: -#line 281 "parse-gram.y" -{ current_lhs = yyvsp[-1].symbol; } + + case 58: +#line 361 "parse-gram.y" + { grammar_rule_end (yylsp[0]); } break; -case 52: -#line 282 "parse-gram.y" -{;} + + case 59: +#line 362 "parse-gram.y" + { grammar_rule_end (yylsp[0]); } break; -case 53: -#line 286 "parse-gram.y" -{ grammar_rule_end (); } + + case 60: +#line 367 "parse-gram.y" + { grammar_rule_begin (current_lhs, current_lhs_location); } break; -case 54: -#line 287 "parse-gram.y" -{ grammar_rule_end (); } + + case 61: +#line 369 "parse-gram.y" + { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } break; -case 55: -#line 292 "parse-gram.y" -{ grammar_rule_begin (current_lhs); } + + case 62: +#line 371 "parse-gram.y" + { grammar_current_rule_action_append (yyvsp[0].string, yylsp[0]); } break; -case 56: -#line 294 "parse-gram.y" -{ grammar_current_rule_symbol_append (yyvsp[0].symbol); } + + case 63: +#line 373 "parse-gram.y" + { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } break; -case 57: -#line 296 "parse-gram.y" -{ grammar_current_rule_action_append (yyvsp[0].string, yylsp[0].first_line); } + + case 64: +#line 375 "parse-gram.y" + { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } break; -case 58: -#line 298 "parse-gram.y" -{ grammar_current_rule_prec_set (yyvsp[0].symbol); } + + case 65: +#line 377 "parse-gram.y" + { grammar_current_rule_merge_set (yyvsp[0].string, yylsp[0]); } break; -case 59: -#line 302 "parse-gram.y" -{ yyval.symbol = yyvsp[0].symbol; } + + case 66: +#line 381 "parse-gram.y" + { yyval.symbol = yyvsp[0].symbol; } break; -case 60: -#line 303 "parse-gram.y" -{ yyval.symbol = yyvsp[0].symbol; } + + case 67: +#line 382 "parse-gram.y" + { yyval.symbol = yyvsp[0].symbol; } break; -case 61: -#line 304 "parse-gram.y" -{ yyval.symbol = getsym (yyvsp[0].string); } + + case 68: +#line 383 "parse-gram.y" + { yyval.symbol = symbol_get (yyvsp[0].string, yylsp[0]); } break; -case 62: -#line 309 "parse-gram.y" -{ yyval.string = yyvsp[0].string; } + + case 69: +#line 388 "parse-gram.y" + { yyval.string = yyvsp[0].string; } break; -case 63: -#line 315 "parse-gram.y" -{ - yyval.symbol = getsym (yyvsp[0].string); - symbol_class_set (yyval.symbol, token_sym); + + case 70: +#line 394 "parse-gram.y" + { + yyval.symbol = symbol_get (yyvsp[0].string, yylsp[0]); + symbol_class_set (yyval.symbol, token_sym, yylsp[0]); } break; -case 64: -#line 324 "parse-gram.y" -{ + + case 71: +#line 403 "parse-gram.y" + { yyval.string = yyvsp[0].string + 1; yyval.string[strlen (yyval.string) - 1] = '\0'; } break; -case 65: -#line 332 "parse-gram.y" -{ + + case 72: +#line 411 "parse-gram.y" + { yyval.string = xstrdup (""); } break; -case 66: -#line 336 "parse-gram.y" -{ + + case 73: +#line 415 "parse-gram.y" + { yyval.string = yyvsp[0].string; } break; -} -#line 705 "/usr/share/bison/bison.simple" + } + +/* Line 1081 of /usr/local/share/bison/yacc.c. */ +#line 1671 "parse-gram.c" yyvsp -= yylen; yyssp -= yylen; -#if YYLSP_NEEDED yylsp -= yylen; -#endif #if YYDEBUG if (yydebug) @@ -1367,9 +1685,7 @@ case 66: #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 @@ -1377,11 +1693,11 @@ case 66: yyn = yyr1[yyn]; - yystate = yypgoto[yyn - YYNTBASE] + *yyssp; - if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else - yystate = yydefgoto[yyn - YYNTBASE]; + yystate = yydefgoto[yyn - YYNTOKENS]; goto yynewstate; @@ -1394,145 +1710,89 @@ yyerrlab: if (!yyerrstatus) { ++yynerrs; - -#ifdef YYERROR_VERBOSE - yyn = yypact[yystate]; - - if (yyn > YYFLAG && yyn < YYLAST) - { - YYSIZE_T yysize = 0; - char *yymsg; - int yyx, yycount; - - yycount = 0; - /* Start YYX at -YYN if negative to avoid negative indexes in - YYCHECK. */ - for (yyx = yyn < 0 ? -yyn : 0; - yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) - if (yycheck[yyx + yyn] == yyx) - yysize += yystrlen (yytname[yyx]) + 15, yycount++; - yysize += yystrlen ("parse error, unexpected ") + 1; - yysize += yystrlen (yytname[YYTRANSLATE (yychar)]); - yymsg = (char *) YYSTACK_ALLOC (yysize); - if (yymsg != 0) - { - char *yyp = yystpcpy (yymsg, "parse error, unexpected "); - yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]); - - if (yycount < 5) - { - yycount = 0; - for (yyx = yyn < 0 ? -yyn : 0; - yyx < (int) (sizeof (yytname) / sizeof (char *)); - yyx++) - if (yycheck[yyx + yyn] == yyx) - { - const char *yyq = ! yycount ? ", expecting " : " or "; - yyp = yystpcpy (yyp, yyq); - yyp = yystpcpy (yyp, yytname[yyx]); - yycount++; - } - } - yyerror (yymsg); - YYSTACK_FREE (yymsg); - } - else - yyerror ("parse error; also virtual memory exhausted"); - } - else -#endif /* defined (YYERROR_VERBOSE) */ - yyerror ("parse error"); + yyreport_parse_error (yystate, yychar, yylval, yylloc); } goto yyerrlab1; -/*--------------------------------------------------. -| yyerrlab1 -- error raised explicitly by an action | -`--------------------------------------------------*/ +/*----------------------------------------------------. +| yyerrlab1 -- error raised explicitly by an action. | +`----------------------------------------------------*/ yyerrlab1: if (yyerrstatus == 3) { /* If just tried and failed to reuse lookahead token after an error, discard it. */ - /* return failure if at end of input */ + /* Return failure if at end of input. */ if (yychar == YYEOF) - YYABORT; + { + /* Pop the error token. */ + YYPOPSTACK; + /* Pop the rest of the stack. */ + while (yyssp > yyss) + { + 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; } /* Else will try to reuse lookahead token after shifting the error token. */ - yyerrstatus = 3; /* Each real token shifted decrements this */ + yyerrstatus = 3; /* Each real token shifted decrements this. */ - goto yyerrhandle; - - -/*-------------------------------------------------------------------. -| yyerrdefault -- current state does not do anything special for the | -| error token. | -`-------------------------------------------------------------------*/ -yyerrdefault: -#if 0 - /* This is wrong; only states that explicitly want error tokens - should shift them. */ + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } - /* If its default is to accept any token, ok. Otherwise pop it. */ - yyn = yydefact[yystate]; - if (yyn) - goto yydefault; -#endif + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + YYDPRINTF ((stderr, "Error: popping ")); + YYDSYMPRINT ((stderr, + yystos[*yyssp], *yyvsp, *yylsp)); + YYDPRINTF ((stderr, "\n")); -/*---------------------------------------------------------------. -| yyerrpop -- pop the current state because it cannot handle the | -| error token | -`---------------------------------------------------------------*/ -yyerrpop: - if (yyssp == yyss) - YYABORT; - yyvsp--; - yystate = *--yyssp; -#if YYLSP_NEEDED - yylsp--; -#endif + yydestruct (yystos[yystate], *yyvsp, *yylsp); + yyvsp--; + yystate = *--yyssp; + yylsp--; #if YYDEBUG - if (yydebug) - { - short *yyssp1 = yyss - 1; - YYFPRINTF (stderr, "Error: state stack now"); - while (yyssp1 != yyssp) - YYFPRINTF (stderr, " %d", *++yyssp1); - YYFPRINTF (stderr, "\n"); - } + if (yydebug) + { + short *yyssp1 = yyss - 1; + YYFPRINTF (stderr, "Error: state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (stderr, " %d", *++yyssp1); + YYFPRINTF (stderr, "\n"); + } #endif - -/*--------------. -| yyerrhandle. | -`--------------*/ -yyerrhandle: - yyn = yypact[yystate]; - if (yyn == YYFLAG) - goto yyerrdefault; - - yyn += YYTERROR; - if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) - goto yyerrdefault; - - yyn = yytable[yyn]; - if (yyn < 0) - { - if (yyn == YYFLAG) - goto yyerrpop; - yyn = -yyn; - goto yyreduce; } - else if (yyn == 0) - goto yyerrpop; if (yyn == YYFINAL) YYACCEPT; @@ -1540,9 +1800,7 @@ yyerrhandle: YYDPRINTF ((stderr, "Shifting error token, ")); *++yyvsp = yylval; -#if YYLSP_NEEDED *++yylsp = yylloc; -#endif yystate = yyn; goto yynewstate; @@ -1562,13 +1820,15 @@ 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 @@ -1577,7 +1837,9 @@ yyreturn: #endif return yyresult; } -#line 345 "parse-gram.y" + + +#line 424 "parse-gram.y" /*------------------------------------------------------------------. | When debugging the parser, display tokens' locations and values. | @@ -1585,11 +1847,9 @@ yyreturn: static void yyprint (FILE *file, - const location_t *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: @@ -1621,9 +1881,8 @@ yyprint (FILE *file, } void -gram_error (gram_control_t *control ATTRIBUTE_UNUSED, - location_t *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); } +