X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/5c16c6b13abde53223e256a351401570c2da3b5e..cbb0d2d11688c7e9be4db7eaccc5f4c64429da19:/src/parse-gram.c diff --git a/src/parse-gram.c b/src/parse-gram.c index e00242e6..c0f28974 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,7 +1,7 @@ -/* A Bison parser, made from parse-gram.y, by GNU bison 1.75a. */ +/* A Bison parser, made by GNU Bison 1.875b. */ /* Skeleton parser for Yacc-like parsing with Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -34,10 +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 @@ -61,31 +64,31 @@ 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_PREC = 270, - PERCENT_DPREC = 271, - PERCENT_MERGE = 272, - PERCENT_DEBUG = 273, - PERCENT_DEFINE = 274, - PERCENT_DEFINES = 275, - PERCENT_ERROR_VERBOSE = 276, - PERCENT_EXPECT = 277, - PERCENT_FILE_PREFIX = 278, - PERCENT_GLR_PARSER = 279, - PERCENT_LEX_PARAM = 280, - PERCENT_LOCATIONS = 281, - PERCENT_NAME_PREFIX = 282, - PERCENT_NO_LINES = 283, + 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_NONDETERMINISTIC_PARSER = 283, PERCENT_OUTPUT = 284, PERCENT_PARSE_PARAM = 285, PERCENT_PURE_PARSER = 286, @@ -97,43 +100,42 @@ TYPE = 292, EQUAL = 293, SEMICOLON = 294, - COLON = 295, - COMMA = 296, - PIPE = 297, - ID = 298, - PERCENT_PERCENT = 299, - PROLOGUE = 300, - EPILOGUE = 301, - BRACED_CODE = 302 + PIPE = 295, + ID = 296, + ID_COLON = 297, + PERCENT_PERCENT = 298, + PROLOGUE = 299, + EPILOGUE = 300, + BRACED_CODE = 301 }; #endif #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_PREC 270 -#define PERCENT_DPREC 271 -#define PERCENT_MERGE 272 -#define PERCENT_DEBUG 273 -#define PERCENT_DEFINE 274 -#define PERCENT_DEFINES 275 -#define PERCENT_ERROR_VERBOSE 276 -#define PERCENT_EXPECT 277 -#define PERCENT_FILE_PREFIX 278 -#define PERCENT_GLR_PARSER 279 -#define PERCENT_LEX_PARAM 280 -#define PERCENT_LOCATIONS 281 -#define PERCENT_NAME_PREFIX 282 -#define PERCENT_NO_LINES 283 +#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_NONDETERMINISTIC_PARSER 283 #define PERCENT_OUTPUT 284 #define PERCENT_PARSE_PARAM 285 #define PERCENT_PURE_PARSER 286 @@ -145,73 +147,57 @@ #define TYPE 292 #define EQUAL 293 #define SEMICOLON 294 -#define COLON 295 -#define COMMA 296 -#define PIPE 297 -#define ID 298 -#define PERCENT_PERCENT 299 -#define PROLOGUE 300 -#define EPILOGUE 301 -#define BRACED_CODE 302 +#define PIPE 295 +#define ID 296 +#define ID_COLON 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" +#line 32 "parse-gram.y" #include "system.h" + #include "complain.h" -#include "muscle_tab.h" +#include "conflicts.h" #include "files.h" #include "getargs.h" -#include "output.h" -#include "symlist.h" #include "gram.h" +#include "muscle_tab.h" +#include "output.h" #include "reader.h" -#include "conflicts.h" +#include "symlist.h" -/* Produce verbose parse errors. */ +/* Produce verbose syntax 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 -/* YYPARSE receives GRAM_CONTROL as a void *. Provide a - correctly typed access to it. */ -#define yycontrol ((gram_control_t *) gram_control) +#define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N) +static YYLTYPE lloc_default (YYLTYPE const *, int); -/* Request detailed parse error messages, and pass them to GRAM_ERROR. - FIXME: depends on the undocumented availability of YYLLOC.t */ +/* Request detailed syntax error messages, and pass them to GRAM_ERROR. + FIXME: depends on the undocumented availability of YYLLOC. */ #undef yyerror #define yyerror(Msg) \ gram_error (&yylloc, Msg) +static void gram_error (location const *, char const *); #define YYPRINT(File, Type, Value) \ - yyprint (File, Type, &Value) -static void yyprint (FILE *file, int type, const yystype *value); + print_token_value (File, Type, &Value) +static void print_token_value (FILE *, int, YYSTYPE const *); + +static void add_param (char const *, char *, location); symbol_class current_class = unknown_sym; -char *current_type = 0; -symbol_t *current_lhs; -location_t current_lhs_location; -assoc_t current_assoc; +uniqstr current_type = 0; +symbol *current_lhs; +location current_lhs_location; +assoc current_assoc; int current_prec = 0; -braced_code_t current_braced_code = action_braced_code; /* Enabling traces. */ @@ -227,53 +213,57 @@ braced_code_t current_braced_code = action_braced_code; # define YYERROR_VERBOSE 0 #endif -#ifndef YYSTYPE -#line 89 "parse-gram.y" -typedef union { - symbol_t *symbol; - symbol_list_t *list; +#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) +#line 75 "parse-gram.y" +typedef union YYSTYPE { + symbol *symbol; + symbol_list *list; int integer; - char *string; - assoc_t assoc; -} yystype; -/* Line 226 of /tmp/prefix/share/bison/yacc.c. */ -#line 241 "parse-gram.c" -# define YYSTYPE yystype + char *chars; + assoc assoc; + uniqstr uniqstr; +} YYSTYPE; +/* Line 191 of yacc.c. */ +#line 228 "parse-gram.c" +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 # define YYSTYPE_IS_TRIVIAL 1 #endif -#ifndef YYLTYPE -typedef struct yyltype +#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED) +typedef struct YYLTYPE { int first_line; int first_column; int last_line; int last_column; -} yyltype; -# define YYLTYPE yyltype +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 # define YYLTYPE_IS_TRIVIAL 1 #endif + /* Copy the second part of user declarations. */ -/* Line 246 of /tmp/prefix/share/bison/yacc.c. */ -#line 262 "parse-gram.c" +/* Line 214 of yacc.c. */ +#line 252 "parse-gram.c" #if ! defined (yyoverflow) || YYERROR_VERBOSE /* The parser invokes alloca or malloc; define the necessary symbols. */ -# if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# endif # else -# ifndef YYSTACK_USE_ALLOCA -# if defined (alloca) || defined (_ALLOCA_H) -# define YYSTACK_ALLOC alloca -# else -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# endif +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca # endif # endif # endif @@ -305,13 +295,13 @@ union yyalloc }; /* The size of the maximum gap between one aligned stack and the next. */ -# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1) +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) /* The size of an array large to enough to hold all stacks, each with N elements. */ # define YYSTACK_BYTES(N) \ ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ - + 2 * YYSTACK_GAP_MAX) + + 2 * YYSTACK_GAP_MAXIMUM) /* Copy COUNT objects from FROM to TO. The source and destination do not overlap. */ @@ -325,7 +315,7 @@ union yyalloc { \ register YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ - (To)[yyi] = (From)[yyi]; \ + (To)[yyi] = (From)[yyi]; \ } \ while (0) # endif @@ -342,7 +332,7 @@ union yyalloc YYSIZE_T yynewbytes; \ YYCOPY (&yyptr->Stack, Stack, yysize); \ Stack = &yyptr->Stack; \ - yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ while (0) @@ -358,23 +348,23 @@ union yyalloc /* YYFINAL -- State number of the termination state. */ #define YYFINAL 3 /* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 152 +#define YYLAST 148 /* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 48 +#define YYNTOKENS 47 /* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 28 +#define YYNNTS 25 /* YYNRULES -- Number of rules. */ -#define YYNRULES 77 +#define YYNRULES 75 /* YYNRULES -- Number of states. */ -#define YYNSTATES 116 +#define YYNSTATES 103 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 302 +#define YYMAXUTOK 301 -#define YYTRANSLATE(X) \ - ((unsigned)(X) <= YYMAXUTOK ? yytranslate[X] : YYUNDEFTOK) +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ static const unsigned char yytranslate[] = @@ -409,7 +399,7 @@ static const unsigned char yytranslate[] = 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, - 45, 46, 47 + 45, 46 }; #if YYDEBUG @@ -417,53 +407,52 @@ static const unsigned char yytranslate[] = YYRHS. */ static const unsigned char yyprhs[] = { - 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, 199, 200, 203, 204 + 0, 0, 3, 8, 9, 12, 14, 16, 18, 22, + 24, 26, 29, 33, 35, 37, 39, 43, 45, 47, + 51, 53, 55, 58, 60, 62, 64, 66, 68, 70, + 73, 75, 78, 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, + 150, 152, 156, 159, 160, 163, 166, 170, 174, 178, + 180, 182, 184, 186, 188, 189 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const yysigned_char yyrhs[] = { - 49, 0, -1, 50, 44, 64, 74, -1, -1, 50, - 51, 75, -1, 52, -1, 45, -1, 18, -1, 19, - 73, 73, -1, 20, -1, 21, -1, 22, 5, -1, - 23, 38, 73, -1, 24, -1, 25, 73, 41, 73, - -1, 26, -1, 27, 38, 73, -1, 28, -1, 29, - 38, 73, -1, 30, 73, 41, 73, -1, 31, -1, - 32, 73, -1, 34, -1, 35, -1, 36, -1, 58, - -1, 55, -1, 33, 70, -1, 11, 47, -1, -1, - 9, 53, 47, 61, -1, -1, 10, 54, 47, 61, - -1, -1, 7, 56, 63, -1, -1, 6, 57, 63, - -1, 8, 37, 61, -1, 59, 60, 61, -1, 12, - -1, 13, -1, 14, -1, -1, 37, -1, 70, -1, - 61, 70, -1, 37, -1, 43, -1, 43, 5, -1, - 43, 72, -1, 43, 5, 72, -1, 62, -1, 63, - 62, -1, 65, -1, 64, 65, -1, 66, -1, 52, - 39, -1, 1, 39, -1, -1, 43, 40, 67, 68, - 39, -1, 69, -1, 68, 42, 69, -1, -1, 69, - 70, -1, 69, 71, -1, 69, 15, 70, -1, 69, - 16, 5, -1, 69, 17, 37, -1, 43, -1, 72, - -1, 4, -1, 47, -1, 3, -1, 3, -1, -1, - 44, 46, -1, -1, 39, -1 + 48, 0, -1, 49, 43, 61, 71, -1, -1, 49, + 50, -1, 51, -1, 44, -1, 17, -1, 18, 70, + 70, -1, 19, -1, 20, -1, 21, 4, -1, 22, + 38, 70, -1, 23, -1, 24, -1, 25, -1, 26, + 38, 70, -1, 27, -1, 28, -1, 29, 38, 70, + -1, 30, -1, 31, -1, 32, 70, -1, 34, -1, + 35, -1, 36, -1, 39, -1, 55, -1, 52, -1, + 33, 67, -1, 10, -1, 8, 58, -1, 9, 58, + -1, -1, 6, 53, 60, -1, -1, 5, 54, 60, + -1, 7, 37, 58, -1, 56, 57, 58, -1, 11, + -1, 12, -1, 13, -1, -1, 37, -1, 67, -1, + 58, 67, -1, 37, -1, 41, -1, 41, 4, -1, + 41, 69, -1, 41, 4, 69, -1, 59, -1, 60, + 59, -1, 62, -1, 61, 62, -1, 63, -1, 51, + 39, -1, 1, 39, -1, -1, 42, 64, 65, -1, + 66, -1, 65, 40, 66, -1, 65, 39, -1, -1, + 66, 67, -1, 66, 68, -1, 66, 14, 67, -1, + 66, 15, 4, -1, 66, 16, 37, -1, 41, -1, + 69, -1, 46, -1, 3, -1, 3, -1, -1, 43, + 45, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const unsigned short yyrline[] = { - 0, 168, 168, 181, 183, 186, 188, 189, 190, 191, - 192, 193, 194, 195, 196, 198, 199, 200, 201, 202, - 204, 205, 206, 207, 208, 211, 213, 214, 218, 225, - 224, 235, 234, 247, 246, 252, 252, 257, 266, 281, - 283, 284, 287, 289, 294, 296, 300, 305, 310, 316, - 322, 332, 335, 344, 346, 352, 354, 359, 366, 365, - 370, 372, 375, 378, 380, 382, 384, 386, 390, 392, - 393, 396, 402, 411, 419, 424, 430, 432 + 0, 162, 162, 170, 172, 176, 177, 178, 179, 180, + 181, 182, 183, 184, 186, 187, 188, 189, 190, 191, + 192, 193, 194, 195, 196, 197, 198, 202, 203, 204, + 208, 214, 221, 231, 231, 236, 236, 241, 251, 266, + 267, 268, 272, 273, 279, 280, 285, 289, 294, 300, + 306, 317, 318, 327, 328, 334, 335, 340, 347, 347, + 351, 352, 353, 358, 359, 361, 363, 365, 367, 372, + 373, 377, 383, 392, 399, 401 }; #endif @@ -472,23 +461,23 @@ static const unsigned short yyrline[] = First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { - "\"end of file\"", "error", "$undefined", "\"string\"", "\"character\"", - "\"integer\"", "\"%token\"", "\"%nterm\"", "\"%type\"", - "\"%destructor\"", "\"%printer\"", "\"%union\"", "\"%left\"", - "\"%right\"", "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", - "\"%debug\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"", - "\"%expect\"", "\"%file-prefix\"", "\"%glr-parser\"", "\"%lex-param\"", - "\"%locations\"", "\"%name-prefix\"", "\"%no-lines\"", "\"%output\"", - "\"%parse-param\"", "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", - "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", - "\";\"", "\":\"", "\",\"", "\"|\"", "\"identifier\"", "\"%%\"", - "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", "$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 + "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"", + "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"", + "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"", + "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"", + "\"%define\"", "\"%defines\"", "\"%error-verbose\"", "\"%expect\"", + "\"%file-prefix\"", "\"%glr-parser\"", "\"%lex-param {...}\"", + "\"%locations\"", "\"%name-prefix\"", "\"%no-lines\"", + "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"", + "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"", + "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"", + "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"", + "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations", + "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2", + "precedence_declaration", "precedence_declarator", "type.opt", + "symbols.1", "symbol_def", "symbol_defs.1", "grammar", + "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs", + "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0 }; #endif @@ -501,34 +490,34 @@ static const unsigned short yytoknum[] = 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, - 295, 296, 297, 298, 299, 300, 301, 302 + 295, 296, 297, 298, 299, 300, 301 }; # endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const unsigned char yyr1[] = { - 0, 48, 49, 50, 50, 51, 51, 51, 51, 51, - 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, - 51, 51, 51, 51, 51, 52, 52, 52, 52, 53, - 52, 54, 52, 56, 55, 57, 55, 55, 58, 59, - 59, 59, 60, 60, 61, 61, 62, 62, 62, 62, - 62, 63, 63, 64, 64, 65, 65, 65, 67, 66, - 68, 68, 69, 69, 69, 69, 69, 69, 70, 70, - 70, 71, 72, 73, 74, 74, 75, 75 + 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, 50, 50, 51, 51, 51, + 51, 51, 51, 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, 65, 66, 66, 66, 66, 66, 66, 67, + 67, 68, 69, 70, 71, 71 }; /* 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, 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, + 0, 2, 4, 0, 2, 1, 1, 1, 3, 1, + 1, 2, 3, 1, 1, 1, 3, 1, 1, 3, + 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, + 1, 2, 2, 0, 3, 0, 3, 3, 3, 1, 1, 1, 0, 1, 1, 2, 1, 1, 2, 2, - 3, 1, 2, 1, 2, 1, 2, 2, 0, 5, - 1, 3, 0, 2, 2, 3, 3, 3, 1, 1, - 1, 1, 1, 1, 0, 2, 0, 1 + 3, 1, 2, 1, 2, 1, 2, 2, 0, 3, + 1, 3, 2, 0, 2, 2, 3, 3, 3, 1, + 1, 1, 1, 1, 0, 2 }; /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state @@ -536,26 +525,25 @@ static const unsigned char yyr2[] = means the default is an error. */ static const unsigned char yydefact[] = { - 3, 0, 0, 1, 35, 33, 0, 29, 31, 0, + 3, 0, 0, 1, 35, 33, 0, 0, 0, 30, 39, 40, 41, 7, 0, 9, 10, 0, 0, 13, - 0, 15, 0, 17, 0, 0, 20, 0, 0, 22, - 23, 24, 0, 6, 76, 5, 26, 25, 42, 0, - 0, 0, 0, 0, 28, 73, 0, 11, 0, 0, - 0, 0, 0, 21, 72, 70, 68, 27, 69, 0, - 0, 0, 0, 53, 55, 77, 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, - 75, 50, 0, 60, 59, 62, 0, 0, 0, 71, - 63, 64, 61, 65, 66, 67 + 14, 15, 0, 17, 18, 0, 20, 21, 0, 0, + 23, 24, 25, 26, 0, 6, 4, 5, 28, 27, + 42, 0, 0, 0, 72, 69, 31, 44, 70, 32, + 73, 0, 11, 0, 0, 0, 22, 29, 0, 58, + 0, 0, 53, 55, 43, 0, 46, 47, 51, 36, + 34, 37, 45, 8, 12, 16, 19, 57, 63, 56, + 0, 54, 2, 38, 48, 49, 52, 59, 60, 75, + 50, 62, 63, 0, 0, 0, 71, 64, 65, 61, + 66, 67, 68 }; /* YYDEFGOTO[NTERM-NUM]. */ static const yysigned_char yydefgoto[] = { - -1, 1, 2, 34, 61, 42, 43, 36, 40, 39, - 37, 38, 68, 74, 71, 72, 62, 63, 64, 99, - 102, 103, 75, 111, 58, 46, 89, 66 + -1, 1, 2, 36, 60, 38, 42, 41, 39, 40, + 65, 46, 68, 69, 61, 62, 63, 78, 87, 88, + 47, 98, 48, 51, 82 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing @@ -563,89 +551,85 @@ static const yysigned_char yydefgoto[] = #define YYPACT_NINF -64 static const yysigned_char yypact[] = { - -64, 9, 107, -64, -64, -64, -13, -64, -64, -9, - -64, -64, -64, -64, 27, -64, -64, 38, 3, -64, - 27, -64, 6, -64, 7, 27, -64, 27, -1, -64, - -64, -64, 79, -64, 10, -64, -64, -64, 13, -17, - -17, -1, 8, 11, -64, -64, 27, -64, 27, 15, - 27, 27, 16, -64, -64, -64, -64, -64, -64, 20, - 14, 21, 4, -64, -64, -64, -64, -64, -1, -64, - 18, -64, -17, -17, -1, -64, -1, -1, -64, -64, - 27, -64, -64, 27, -64, -64, -64, 17, -64, -64, - -1, 62, -64, -64, -64, -1, -1, -64, -64, -64, - -64, -64, -20, 36, -64, -64, -1, 61, 32, -64, - -64, -64, 36, -64, -64, -64 + -64, 32, 104, -64, -64, -64, -21, 16, 16, -64, + -64, -64, -64, -64, 30, -64, -64, 33, -4, -64, + -64, -64, 0, -64, -64, 1, -64, -64, 30, 16, + -64, -64, -64, -64, 66, -64, -64, -64, -64, -64, + 3, -15, -15, 16, -64, -64, 16, -64, -64, 16, + -64, 30, -64, 30, 30, 30, -64, -64, 4, -64, + 8, 2, -64, -64, -64, 16, -64, 21, -64, -15, + -15, 16, -64, -64, -64, -64, -64, -64, -64, -64, + 6, -64, -64, 16, 38, -64, -64, -34, 15, -64, + -64, -64, -64, 16, 48, 18, -64, -64, -64, 15, + -64, -64, -64 }; /* YYPGOTO[NTERM-NUM]. */ static const yysigned_char yypgoto[] = { - -64, -64, -64, -64, 68, -64, -64, -64, -64, -64, - -64, -64, -64, -43, -37, 31, -64, 12, -64, -64, - -64, -33, -28, -64, -63, -19, -64, -64 + -64, -64, -64, -64, 51, -64, -64, -64, -64, -64, + -64, -7, -42, 20, -64, -1, -64, -64, -64, -27, + -29, -64, -63, -5, -64 }; /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If positive, shift that token. If negative, reduce the rule which number is the opposite. If zero, do what YYDEFACT says. - If YYTABLE_NINF, parse error. */ + If YYTABLE_NINF, syntax error. */ #define YYTABLE_NINF -75 static const yysigned_char yytable[] = { - 57, 49, 54, 55, -74, 59, 52, 92, 53, 3, - 4, 5, 6, 7, 8, 9, 10, 11, 12, 104, - 69, 54, 105, 91, 41, 90, 70, 78, 101, 79, - 45, 81, 82, 95, 96, 93, 93, 28, 44, 54, - 55, 48, 56, 47, 50, 51, 94, 60, 87, 65, - 67, 106, 107, 108, 85, 76, 80, 83, 77, 84, - 86, 97, 94, 100, 98, 54, 114, 94, 94, 115, - 35, 73, 112, 0, 88, 110, 0, 0, 113, 56, - 59, 0, 0, 109, 110, 4, 5, 6, 7, 8, - 9, 10, 11, 12, 0, 0, 0, 0, 0, 0, + 57, 49, -74, 58, 85, 91, 92, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 43, 72, 44, 44, + 72, 90, 66, 56, 44, 84, 67, 86, 86, 93, + 94, 95, 3, 50, 53, 29, 71, 52, 54, 55, + 64, 44, 72, 77, 59, 80, 73, 79, 74, 75, + 76, 89, 101, 37, 72, 102, 45, 45, 83, 97, + 81, 96, 70, 0, 100, 99, 0, 58, 0, 0, + 97, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 28, 4, 5, 6, 7, 8, 9, 10, - 11, 12, 60, 0, 0, 13, 14, 15, 16, 17, - 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, - 28, 29, 30, 31, 0, 0, 0, 0, 0, 0, - 0, 32, 33 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 29, + 0, 0, 0, 0, 0, 0, 0, 0, 59, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, + 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 0, 0, 33, 0, 0, 0, 34, 35 }; static const yysigned_char yycheck[] = { - 28, 20, 3, 4, 0, 1, 25, 70, 27, 0, - 6, 7, 8, 9, 10, 11, 12, 13, 14, 39, - 37, 3, 42, 5, 37, 68, 43, 46, 91, 48, - 3, 50, 51, 76, 77, 72, 73, 33, 47, 3, - 4, 38, 43, 5, 38, 38, 74, 43, 44, 39, - 37, 15, 16, 17, 40, 47, 41, 41, 47, 39, - 39, 80, 90, 46, 83, 3, 5, 95, 96, 37, - 2, 40, 105, -1, 62, 103, -1, -1, 106, 43, - 1, -1, -1, 47, 112, 6, 7, 8, 9, 10, - 11, 12, 13, 14, -1, -1, -1, -1, -1, -1, + 29, 8, 0, 1, 67, 39, 40, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 37, 46, 3, 3, + 49, 84, 37, 28, 3, 4, 41, 69, 70, 14, + 15, 16, 0, 3, 38, 33, 43, 4, 38, 38, + 37, 3, 71, 39, 42, 43, 51, 39, 53, 54, + 55, 45, 4, 2, 83, 37, 41, 41, 65, 88, + 61, 46, 42, -1, 93, 92, -1, 1, -1, -1, + 99, 5, 6, 7, 8, 9, 10, 11, 12, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 33, 6, 7, 8, 9, 10, 11, 12, - 13, 14, 43, -1, -1, 18, 19, 20, 21, 22, - 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, - 33, 34, 35, 36, -1, -1, -1, -1, -1, -1, - -1, 44, 45 + -1, -1, -1, -1, -1, -1, -1, -1, -1, 33, + -1, -1, -1, -1, -1, -1, -1, -1, 42, 5, + 6, 7, 8, 9, 10, 11, 12, 13, -1, -1, + -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, -1, -1, 39, -1, -1, -1, 43, 44 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const unsigned char yystos[] = { - 0, 49, 50, 0, 6, 7, 8, 9, 10, 11, - 12, 13, 14, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, - 35, 36, 44, 45, 51, 52, 55, 58, 59, 57, - 56, 37, 53, 54, 47, 3, 73, 5, 38, 73, - 38, 38, 73, 73, 3, 4, 43, 70, 72, 1, - 43, 52, 64, 65, 66, 39, 75, 37, 60, 37, - 43, 62, 63, 63, 61, 70, 47, 47, 73, 73, - 41, 73, 73, 41, 39, 40, 39, 44, 65, 74, - 61, 5, 72, 62, 70, 61, 61, 73, 73, 67, - 46, 72, 68, 69, 39, 42, 15, 16, 17, 47, - 70, 71, 69, 70, 5, 37 + 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, 36, 39, 43, 44, 50, 51, 52, 55, + 56, 54, 53, 37, 3, 41, 58, 67, 69, 58, + 3, 70, 4, 38, 38, 38, 70, 67, 1, 42, + 51, 61, 62, 63, 37, 57, 37, 41, 59, 60, + 60, 58, 67, 70, 70, 70, 70, 39, 64, 39, + 43, 62, 71, 58, 4, 69, 59, 65, 66, 45, + 69, 39, 40, 14, 15, 16, 46, 67, 68, 66, + 67, 4, 37 }; #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) @@ -666,12 +650,19 @@ static const unsigned char yystos[] = #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) -#define YYEMPTY -2 +#define YYEMPTY (-2) #define YYEOF 0 #define YYACCEPT goto yyacceptlab #define YYABORT goto yyabortlab -#define YYERROR goto yyerrlab1 +#define YYERROR do \ + { \ + yylerrsp = yylsp; \ + *++yylerrsp = yyloc; \ + goto yyerrlab1; \ + } \ + while (0) + /* Like YYERROR except do call yyerror. This remains here temporarily to ease the transition to the new meaning of YYERROR, for GCC. @@ -687,13 +678,13 @@ do \ { \ yychar = (Token); \ yylval = (Value); \ - yychar1 = YYTRANSLATE (yychar); \ + yytoken = YYTRANSLATE (yychar); \ YYPOPSTACK; \ goto yybackup; \ } \ else \ { \ - yyerror ("syntax error: cannot back up"); \ + yyerror ("syntax error: cannot back up");\ YYERROR; \ } \ while (0) @@ -705,7 +696,7 @@ while (0) are run). */ #ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ +# 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; \ @@ -733,19 +724,93 @@ do { \ if (yydebug) \ YYFPRINTF Args; \ } while (0) + # define YYDSYMPRINT(Args) \ do { \ if (yydebug) \ yysymprint Args; \ } while (0) + +# define YYDSYMPRINTF(Title, Token, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yysymprint (stderr, \ + Token, Value, Location); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (cinluded). | +`------------------------------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yy_stack_print (short *bottom, short *top) +#else +static void +yy_stack_print (bottom, top) + short *bottom; + short *top; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (/* Nothing. */; bottom <= top; ++bottom) + YYFPRINTF (stderr, " %d", *bottom); + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yy_reduce_print (int yyrule) +#else +static void +yy_reduce_print (yyrule) + int yyrule; +#endif +{ + int yyi; + unsigned int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", + yyrule - 1, yylno); + /* Print the symbols being reduced, and their result. */ + for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) + YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]); + YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]); +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (Rule); \ +} 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) +# define YYDSYMPRINTF(Title, Token, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) #endif /* !YYDEBUG */ + /* YYINITDEPTH -- initial size of the parser's stacks. */ #ifndef YYINITDEPTH # define YYINITDEPTH 200 @@ -758,7 +823,7 @@ int yydebug; SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ -#if YYMAXDEPTH == 0 +#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0 # undef YYMAXDEPTH #endif @@ -824,72 +889,71 @@ yystpcpy (yydest, yysrc) #if YYDEBUG -/*-----------------------------. -| Print this symbol on YYOUT. | -`-----------------------------*/ +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) static void -yysymprint (FILE *yyout, int yytype, YYSTYPE yyvalue, YYLTYPE yylocation) +yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) #else static void -yysymprint (yyout, yytype, yyvalue, yylocation) - FILE *yyout; +yysymprint (yyoutput, yytype, yyvaluep, yylocationp) + FILE *yyoutput; int yytype; - YYSTYPE yyvalue; - YYLTYPE yylocation; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; #endif { /* Pacify ``unused variable'' warnings. */ - (void) yyvalue; - (void) yylocation; + (void) yyvaluep; + (void) yylocationp; if (yytype < YYNTOKENS) { - YYFPRINTF (yyout, "token %s (", yytname[yytype]); + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); # ifdef YYPRINT - YYPRINT (yyout, yytoknum[yytype], yyvalue); + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); # endif } else - YYFPRINTF (yyout, "nterm %s (", yytname[yytype]); + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); switch (yytype) { default: break; } - YYFPRINTF (yyout, ")"); + YYFPRINTF (yyoutput, ")"); } -#endif /* YYDEBUG. */ - +#endif /* ! YYDEBUG */ /*-----------------------------------------------. | Release the memory associated to this symbol. | `-----------------------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) static void -yydestruct (int yytype, YYSTYPE yyvalue, YYLTYPE yylocation) +yydestruct (int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) #else static void -yydestruct (yytype, yyvalue, yylocation) +yydestruct (yytype, yyvaluep, yylocationp) int yytype; - YYSTYPE yyvalue; - YYLTYPE yylocation; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; #endif { /* Pacify ``unused variable'' warnings. */ - (void) yyvalue; - (void) yylocation; + (void) yyvaluep; + (void) yylocationp; switch (yytype) { + default: break; } } - /* Prevent warnings from -Wmissing-prototypes. */ @@ -906,7 +970,7 @@ int yyparse (void); #else int yyparse (); #endif -#endif +#endif /* ! YYPARSE_PARAM */ @@ -941,7 +1005,7 @@ int yychar; /* The semantic value of the lookahead symbol. */ YYSTYPE yylval; -/* Number of parse errors so far. */ +/* Number of syntax errors so far. */ int yynerrs; /* Location data for the lookahead symbol. */ YYLTYPE yylloc; @@ -952,7 +1016,7 @@ YYLTYPE yylloc; /* Number of tokens to shift before error messages enabled. */ int yyerrstatus; /* Lookahead token as an internal (translated) token number. */ - int yychar1 = 0; + int yytoken = 0; /* Three stacks and their tools: `yyss': related to states, @@ -976,6 +1040,7 @@ YYLTYPE yylloc; YYLTYPE yylsa[YYINITDEPTH]; YYLTYPE *yyls = yylsa; YYLTYPE *yylsp; + YYLTYPE *yylerrsp; #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) @@ -1105,39 +1170,28 @@ yybackup: /* Not known => get a lookahead token if don't already have one. */ - /* yychar is either YYEMPTY or YYEOF - or a valid token in external form. */ - + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); yychar = YYLEX; } - /* Convert token to internal form (in yychar1) for indexing tables with. */ - - if (yychar <= 0) /* This means end of input. */ + if (yychar <= YYEOF) { - yychar1 = 0; - yychar = YYEOF; /* Don't call YYLEX any more. */ - + yychar = yytoken = YYEOF; YYDPRINTF ((stderr, "Now at end of input.\n")); } else { - yychar1 = YYTRANSLATE (yychar); - - /* We have to keep this `#if YYDEBUG', since we use variables - which are defined only if `YYDEBUG' is set. */ - YYDPRINTF ((stderr, "Next token is ")); - YYDSYMPRINT ((stderr, yychar1, yylval, yyloc)); - YYDPRINTF ((stderr, "\n")); + yytoken = YYTRANSLATE (yychar); + YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc); } - /* If the proper action on seeing token YYCHAR1 is to reduce or to + /* If the proper action on seeing token YYTOKEN is to reduce or to detect an error, take that action. */ - yyn += yychar1; - if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1) + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) goto yydefault; yyn = yytable[yyn]; if (yyn <= 0) @@ -1152,8 +1206,7 @@ yybackup: YYACCEPT; /* Shift the lookahead token. */ - YYDPRINTF ((stderr, "Shifting token %d (%s), ", - yychar, yytname[yychar1])); + YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken])); /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) @@ -1200,183 +1253,153 @@ yyreduce: /* Default location. */ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); - -#if YYDEBUG - /* We have to keep this `#if YYDEBUG', since we use variables which - are defined only if `YYDEBUG' is set. */ - if (yydebug) - { - int yyi; - - YYFPRINTF (stderr, "Reducing via rule %d (line %d), ", - yyn - 1, yyrline[yyn]); - - /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyn]; 0 <= yyrhs[yyi]; yyi++) - YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); - YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); - } -#endif + YY_REDUCE_PRINT (yyn); switch (yyn) { - case 2: -#line 170 "parse-gram.y" - { - yycontrol->errcode = 0; - epilogue_set (yyvsp[0].string, yylsp[0]); - } - break; - - case 6: -#line 188 "parse-gram.y" - { prologue_augment (yyvsp[0].string, yylsp[0]); } + case 6: +#line 177 "parse-gram.y" + { prologue_augment (yyvsp[0].chars, yylsp[0]); } break; case 7: -#line 189 "parse-gram.y" - { debug_flag = 1; } +#line 178 "parse-gram.y" + { debug_flag = true; } break; case 8: -#line 190 "parse-gram.y" - { muscle_insert (yyvsp[-1].string, yyvsp[0].string); } +#line 179 "parse-gram.y" + { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); } break; case 9: -#line 191 "parse-gram.y" - { defines_flag = 1; } +#line 180 "parse-gram.y" + { defines_flag = true; } break; case 10: -#line 192 "parse-gram.y" - { error_verbose = 1; } +#line 181 "parse-gram.y" + { error_verbose = true; } break; case 11: -#line 193 "parse-gram.y" +#line 182 "parse-gram.y" { expected_conflicts = yyvsp[0].integer; } break; case 12: -#line 194 "parse-gram.y" - { spec_file_prefix = yyvsp[0].string; } +#line 183 "parse-gram.y" + { spec_file_prefix = yyvsp[0].chars; } break; case 13: -#line 195 "parse-gram.y" - { glr_parser = 1; } +#line 184 "parse-gram.y" + { nondeterministic_parser = true; + glr_parser = true; } break; case 14: -#line 197 "parse-gram.y" - { muscle_pair_list_grow ("lex_param", yyvsp[-2].string, yyvsp[0].string); } +#line 186 "parse-gram.y" + { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); } break; case 15: -#line 198 "parse-gram.y" - { locations_flag = 1; } +#line 187 "parse-gram.y" + { locations_flag = true; } break; case 16: -#line 199 "parse-gram.y" - { spec_name_prefix = yyvsp[0].string; } +#line 188 "parse-gram.y" + { spec_name_prefix = yyvsp[0].chars; } break; case 17: -#line 200 "parse-gram.y" - { no_lines_flag = 1; } +#line 189 "parse-gram.y" + { no_lines_flag = true; } break; case 18: -#line 201 "parse-gram.y" - { spec_outfile = yyvsp[0].string; } +#line 190 "parse-gram.y" + { nondeterministic_parser = true; } break; case 19: -#line 203 "parse-gram.y" - { muscle_pair_list_grow ("parse_param", yyvsp[-2].string, yyvsp[0].string); } +#line 191 "parse-gram.y" + { spec_outfile = yyvsp[0].chars; } break; case 20: -#line 204 "parse-gram.y" - { pure_parser = 1; } +#line 192 "parse-gram.y" + { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); } break; case 21: -#line 205 "parse-gram.y" - { skeleton = yyvsp[0].string; } +#line 193 "parse-gram.y" + { pure_parser = true; } break; case 22: -#line 206 "parse-gram.y" - { token_table_flag = 1; } +#line 194 "parse-gram.y" + { skeleton = yyvsp[0].chars; } break; case 23: -#line 207 "parse-gram.y" - { report_flag = 1; } +#line 195 "parse-gram.y" + { token_table_flag = true; } break; case 24: -#line 208 "parse-gram.y" - { yacc_flag = 1; } +#line 196 "parse-gram.y" + { report_flag = report_states; } break; - case 27: -#line 215 "parse-gram.y" + case 25: +#line 197 "parse-gram.y" + { yacc_flag = true; } + break; + + case 29: +#line 205 "parse-gram.y" { grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]); } break; - case 28: -#line 219 "parse-gram.y" + case 30: +#line 209 "parse-gram.y" { - typed = 1; - MUSCLE_INSERT_INT ("stype_line", yylsp[0].first_line); - muscle_insert ("stype", yyvsp[0].string); + typed = true; + MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line); + muscle_insert ("stype", yyvsp[0].chars); } break; - case 29: -#line 225 "parse-gram.y" - { current_braced_code = destructor_braced_code; } - break; - - case 30: -#line 227 "parse-gram.y" + case 31: +#line 215 "parse-gram.y" { - symbol_list_t *list; + symbol_list *list; for (list = yyvsp[0].list; list; list = list->next) - symbol_destructor_set (list->sym, yyvsp[-1].string, yylsp[-1]); + symbol_destructor_set (list->sym, yyvsp[-1].chars, yylsp[-1]); symbol_list_free (yyvsp[0].list); - current_braced_code = action_braced_code; } break; - case 31: -#line 235 "parse-gram.y" - { current_braced_code = printer_braced_code; } - break; - case 32: -#line 237 "parse-gram.y" +#line 222 "parse-gram.y" { - symbol_list_t *list; + symbol_list *list; for (list = yyvsp[0].list; list; list = list->next) - symbol_printer_set (list->sym, yyvsp[-1].string, list->location); + symbol_printer_set (list->sym, yyvsp[-1].chars, list->location); symbol_list_free (yyvsp[0].list); - current_braced_code = action_braced_code; } break; case 33: -#line 247 "parse-gram.y" +#line 231 "parse-gram.y" { current_class = nterm_sym; } break; case 34: -#line 248 "parse-gram.y" +#line 232 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; @@ -1384,12 +1407,12 @@ yyreduce: break; case 35: -#line 252 "parse-gram.y" +#line 236 "parse-gram.y" { current_class = token_sym; } break; case 36: -#line 253 "parse-gram.y" +#line 237 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; @@ -1397,19 +1420,19 @@ yyreduce: break; case 37: -#line 258 "parse-gram.y" +#line 242 "parse-gram.y" { - symbol_list_t *list; + symbol_list *list; for (list = yyvsp[0].list; list; list = list->next) - symbol_type_set (list->sym, yyvsp[-1].string, yylsp[-1]); + symbol_type_set (list->sym, yyvsp[-1].uniqstr, yylsp[-1]); symbol_list_free (yyvsp[0].list); } break; case 38: -#line 268 "parse-gram.y" +#line 252 "parse-gram.y" { - symbol_list_t *list; + symbol_list *list; ++current_prec; for (list = yyvsp[0].list; list; list = list->next) { @@ -1422,49 +1445,49 @@ yyreduce: break; case 39: -#line 282 "parse-gram.y" +#line 266 "parse-gram.y" { yyval.assoc = left_assoc; } break; case 40: -#line 283 "parse-gram.y" +#line 267 "parse-gram.y" { yyval.assoc = right_assoc; } break; case 41: -#line 284 "parse-gram.y" +#line 268 "parse-gram.y" { yyval.assoc = non_assoc; } break; case 42: -#line 288 "parse-gram.y" - { current_type = NULL;} +#line 272 "parse-gram.y" + { current_type = NULL; } break; case 43: -#line 289 "parse-gram.y" - { current_type = yyvsp[0].string; } +#line 273 "parse-gram.y" + { current_type = yyvsp[0].uniqstr; } break; case 44: -#line 295 "parse-gram.y" +#line 279 "parse-gram.y" { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); } break; case 45: -#line 296 "parse-gram.y" +#line 280 "parse-gram.y" { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); } break; case 46: -#line 302 "parse-gram.y" +#line 286 "parse-gram.y" { - current_type = yyvsp[0].string; + current_type = yyvsp[0].uniqstr; } break; case 47: -#line 306 "parse-gram.y" +#line 290 "parse-gram.y" { symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]); symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]); @@ -1472,7 +1495,7 @@ yyreduce: break; case 48: -#line 311 "parse-gram.y" +#line 295 "parse-gram.y" { symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); @@ -1481,7 +1504,7 @@ yyreduce: break; case 49: -#line 317 "parse-gram.y" +#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]); @@ -1490,7 +1513,7 @@ yyreduce: break; case 50: -#line 323 "parse-gram.y" +#line 307 "parse-gram.y" { symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]); symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]); @@ -1499,18 +1522,8 @@ yyreduce: } break; - case 51: -#line 334 "parse-gram.y" - {;} - break; - - case 52: -#line 336 "parse-gram.y" - {;} - break; - case 56: -#line 355 "parse-gram.y" +#line 336 "parse-gram.y" { if (yacc_flag) complain_at (yyloc, _("POSIX forbids declarations in the grammar")); @@ -1518,132 +1531,107 @@ yyreduce: break; case 57: -#line 360 "parse-gram.y" +#line 341 "parse-gram.y" { yyerrok; } break; case 58: -#line 366 "parse-gram.y" - { current_lhs = yyvsp[-1].symbol; current_lhs_location = yylsp[-1]; } - break; - - case 59: -#line 367 "parse-gram.y" - {;} +#line 347 "parse-gram.y" + { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; } break; case 60: -#line 371 "parse-gram.y" +#line 351 "parse-gram.y" { grammar_rule_end (yylsp[0]); } break; case 61: -#line 372 "parse-gram.y" +#line 352 "parse-gram.y" { grammar_rule_end (yylsp[0]); } break; - case 62: -#line 377 "parse-gram.y" - { grammar_rule_begin (current_lhs, current_lhs_location); } - break; - case 63: -#line 379 "parse-gram.y" - { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } +#line 358 "parse-gram.y" + { grammar_rule_begin (current_lhs, current_lhs_location); } break; case 64: -#line 381 "parse-gram.y" - { grammar_current_rule_action_append (yyvsp[0].string, yylsp[0]); } +#line 360 "parse-gram.y" + { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } break; case 65: -#line 383 "parse-gram.y" - { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } +#line 362 "parse-gram.y" + { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); } break; case 66: -#line 385 "parse-gram.y" - { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } +#line 364 "parse-gram.y" + { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } break; case 67: -#line 387 "parse-gram.y" - { grammar_current_rule_merge_set (yyvsp[0].string, yylsp[0]); } +#line 366 "parse-gram.y" + { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } break; case 68: -#line 391 "parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } +#line 368 "parse-gram.y" + { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); } break; case 69: -#line 392 "parse-gram.y" +#line 372 "parse-gram.y" { yyval.symbol = yyvsp[0].symbol; } break; case 70: -#line 393 "parse-gram.y" - { yyval.symbol = symbol_get (yyvsp[0].string, yylsp[0]); } +#line 373 "parse-gram.y" + { yyval.symbol = yyvsp[0].symbol; } break; case 71: -#line 398 "parse-gram.y" - { yyval.string = yyvsp[0].string; } +#line 378 "parse-gram.y" + { yyval.chars = yyvsp[0].chars; } break; case 72: -#line 404 "parse-gram.y" +#line 384 "parse-gram.y" { - yyval.symbol = symbol_get (yyvsp[0].string, yylsp[0]); + yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]); symbol_class_set (yyval.symbol, token_sym, yylsp[0]); } break; case 73: -#line 413 "parse-gram.y" - { - yyval.string = yyvsp[0].string + 1; - yyval.string[strlen (yyval.string) - 1] = '\0'; - } - break; - - case 74: -#line 421 "parse-gram.y" +#line 393 "parse-gram.y" { - yyval.string = xstrdup (""); + yyval.chars = yyvsp[0].chars + 1; + yyval.chars[strlen (yyval.chars) - 1] = '\0'; } break; case 75: -#line 425 "parse-gram.y" +#line 402 "parse-gram.y" { - yyval.string = yyvsp[0].string; + epilogue_augment (yyvsp[0].chars, yylsp[0]); + scanner_last_string_free (); } break; } -/* Line 1045 of /tmp/prefix/share/bison/yacc.c. */ -#line 1632 "parse-gram.c" +/* Line 999 of yacc.c. */ +#line 1629 "parse-gram.c" yyvsp -= yylen; yyssp -= yylen; yylsp -= yylen; -#if YYDEBUG - if (yydebug) - { - short *yyssp1 = yyss - 1; - YYFPRINTF (stderr, "state stack now"); - while (yyssp1 != yyssp) - YYFPRINTF (stderr, " %d", *++yyssp1); - YYFPRINTF (stderr, "\n"); - } -#endif + YY_STACK_PRINT (yyss, yyssp); *++yyvsp = yyval; *++yylsp = yyloc; @@ -1678,55 +1666,63 @@ yyerrlab: { YYSIZE_T yysize = 0; int yytype = YYTRANSLATE (yychar); + const char* yyprefix; char *yymsg; - int yyx, yycount; + int yyx; - yycount = 0; /* Start YYX at -YYN if negative to avoid negative indexes in YYCHECK. */ - for (yyx = yyn < 0 ? -yyn : 0; - yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 0; + + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - yysize += yystrlen (yytname[yyx]) + 15, yycount++; - yysize += yystrlen ("parse error, unexpected ") + 1; - yysize += yystrlen (yytname[yytype]); + { + yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]); + yycount += 1; + if (yycount == 5) + { + yysize = 0; + break; + } + } + yysize += (sizeof ("syntax error, unexpected ") + + yystrlen (yytname[yytype])); yymsg = (char *) YYSTACK_ALLOC (yysize); if (yymsg != 0) { - char *yyp = yystpcpy (yymsg, "parse error, unexpected "); + char *yyp = yystpcpy (yymsg, "syntax 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++) + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) { - const char *yyq = ! yycount ? ", expecting " : " or "; - yyp = yystpcpy (yyp, yyq); + yyp = yystpcpy (yyp, yyprefix); yyp = yystpcpy (yyp, yytname[yyx]); - yycount++; + yyprefix = " or "; } } yyerror (yymsg); YYSTACK_FREE (yymsg); } else - yyerror ("parse error; also virtual memory exhausted"); + yyerror ("syntax error; also virtual memory exhausted"); } else #endif /* YYERROR_VERBOSE */ - yyerror ("parse error"); + yyerror ("syntax error"); } - goto yyerrlab1; + yylerrsp = yylsp; -/*----------------------------------------------------. -| yyerrlab1 -- error raised explicitly by an action. | -`----------------------------------------------------*/ -yyerrlab1: if (yyerrstatus == 3) { /* If just tried and failed to reuse lookahead token after an @@ -1740,26 +1736,28 @@ yyerrlab1: /* 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); + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + yydestruct (yystos[*yyssp], yyvsp, yylsp); YYPOPSTACK; } YYABORT; } - YYDPRINTF ((stderr, "Discarding token %d (%s).\n", - yychar, yytname[yychar1])); - yydestruct (yychar1, yylval, yylloc); + YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); + yydestruct (yytoken, &yylval, &yylloc); yychar = YYEMPTY; + *++yylerrsp = yylloc; } /* Else will try to reuse lookahead token after shifting the error token. */ + goto yyerrlab1; + +/*----------------------------------------------------. +| yyerrlab1 -- error raised explicitly by an action. | +`----------------------------------------------------*/ +yyerrlab1: yyerrstatus = 3; /* Each real token shifted decrements this. */ for (;;) @@ -1780,26 +1778,12 @@ yyerrlab1: if (yyssp == yyss) YYABORT; - YYDPRINTF ((stderr, "Error: popping ")); - YYDSYMPRINT ((stderr, - yystos[*yyssp], *yyvsp, *yylsp)); - YYDPRINTF ((stderr, "\n")); - - yydestruct (yystos[yystate], *yyvsp, *yylsp); + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + 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"); - } -#endif + YY_STACK_PRINT (yyss, yyssp); } if (yyn == YYFINAL) @@ -1808,7 +1792,8 @@ yyerrlab1: YYDPRINTF ((stderr, "Shifting error token, ")); *++yyvsp = yylval; - *++yylsp = yylloc; + YYLLOC_DEFAULT (yyloc, yylsp, (yylerrsp - yylsp)); + *++yylsp = yyloc; yystate = yyn; goto yynewstate; @@ -1847,23 +1832,91 @@ yyreturn: } -#line 434 "parse-gram.y" +#line 408 "parse-gram.y" -/*------------------------------------------------------------------. -| When debugging the parser, display tokens' locations and values. | -`------------------------------------------------------------------*/ + + +/* Return the location of the left-hand side of a rule whose + right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in + the right-hand side, and return an empty location equal to the end + boundary of RHS[0] if the right-hand side is empty. */ + +static YYLTYPE +lloc_default (YYLTYPE const *rhs, int n) +{ + int i; + YYLTYPE loc; + loc.start = loc.end = rhs[n].end; + + /* Ignore empty nonterminals the start of the the right-hand side. + Do not bother to ignore them at the end of the right-hand side, + since empty nonterminals have the same end as their predecessors. */ + for (i = 1; i <= n; i++) + if (! equal_boundaries (rhs[i].start, rhs[i].end)) + { + loc.start = rhs[i].start; + break; + } + + return loc; +} + + +/* Add a lex-param or a parse-param (depending on TYPE) with + declaration DECL and location LOC. */ static void -yyprint (FILE *file, - int type, const yystype *value) +add_param (char const *type, char *decl, location loc) +{ + static char const alphanum[] = + "0123456789" + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "_"; + char const *alpha = alphanum + 10; + char const *name_start = NULL; + char *p; + + for (p = decl; *p; p++) + if ((p == decl || ! strchr (alphanum, p[-1])) && strchr (alpha, p[0])) + name_start = p; + + /* Strip the surrounding '{' and '}'. */ + decl++; + p[-1] = '\0'; + + if (! name_start) + complain_at (loc, _("missing identifier in parameter declaration")); + else + { + char *name; + size_t name_len; + + for (name_len = 1; + name_start[name_len] && strchr (alphanum, name_start[name_len]); + name_len++) + continue; + + name = xmalloc (name_len + 1); + memcpy (name, name_start, name_len); + name[name_len] = '\0'; + muscle_pair_list_grow (type, decl, name); + free (name); + } + + scanner_last_string_free (); +} + +/*----------------------------------------------------. +| When debugging the parser, display tokens' values. | +`----------------------------------------------------*/ + +static void +print_token_value (FILE *file, int type, YYSTYPE const *value) { fputc (' ', file); switch (type) { - case CHARACTER: - fprintf (file, " = '%s'", value->string); - break; - case ID: fprintf (file, " = %s", value->symbol->tag); break; @@ -1873,24 +1926,39 @@ yyprint (FILE *file, break; case STRING: - fprintf (file, " = \"%s\"", value->string); + fprintf (file, " = \"%s\"", value->chars); break; case TYPE: - fprintf (file, " = <%s>", value->string); + fprintf (file, " = <%s>", value->uniqstr); break; case BRACED_CODE: + case PERCENT_DESTRUCTOR: + case PERCENT_LEX_PARAM: + case PERCENT_PARSE_PARAM: + case PERCENT_PRINTER: + case PERCENT_UNION: case PROLOGUE: case EPILOGUE: - fprintf (file, " = {{ %s }}", value->string); + fprintf (file, " = {{ %s }}", value->chars); + break; + + default: + fprintf (file, "unknown token type"); break; } } -void -gram_error (location_t *yylloc, const char *msg) +static void +gram_error (location const *loc, char const *msg) +{ + complain_at (*loc, "%s", msg); +} + +char const * +token_name (int type) { - complain_at (*yylloc, "%s", msg); + return yytname[type]; }