X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/676385e29c4aedfc05d20daf1ef20cd4ccc84856..0ced3098fd97e1483b4ac938bdce99bfc7942539:/src/parse-gram.c diff --git a/src/parse-gram.c b/src/parse-gram.c index ed1685b8..c2f4f27f 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,9 +1,7 @@ -/* A Bison parser, made from parse-gram.y - by GNU bison 1.49b. */ +/* A Bison parser, made by GNU Bison 1.875c. */ -/* Skeleton output parser for Bison, - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software - Foundation, Inc. +/* Skeleton parser for Yacc-like parsing with Bison, + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 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 @@ -25,10 +23,8 @@ This special exception was added by the Free Software Foundation in version 1.24 of Bison. */ -/* This is the parser code that is written into each bison parser when - the %semantic_parser declaration is not specified in the grammar. - It was written by Richard Stallman by simplifying the original so - called ``semantic'' parser. */ +/* Written by Richard Stallman by simplifying the original so called + ``semantic'' parser. */ /* All symbols defined below should begin with yy or YY, to avoid infringing on user name space. This should be done even for local @@ -38,10 +34,13 @@ USER NAME SPACE" below. */ /* Identify Bison output. */ -#define YYBISON 1 +#define YYBISON 1 + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" /* Pure parsers. */ -#define YYPURE 1 +#define YYPURE 1 /* Using locations. */ #define YYLSP_NEEDED 1 @@ -57,161 +56,151 @@ #define yynerrs gram_nerrs #define yylloc gram_lloc -/* Copy the first part of user declarations. */ -#line 31 "parse-gram.y" - -#include "system.h" -#include "muscle_tab.h" -#include "files.h" -#include "getargs.h" -#include "output.h" -#include "symlist.h" -#include "gram.h" -#include "reader.h" -#include "conflicts.h" - -/* Produce verbose parse errors. */ -#define YYERROR_VERBOSE 1 -#define YYLLOC_DEFAULT(Current, Rhs, N) \ -do { \ - if (N) \ - { \ - Current.first_column = Rhs[1].first_column; \ - Current.first_line = Rhs[1].first_line; \ - Current.last_column = Rhs[N].last_column; \ - Current.last_line = Rhs[N].last_line; \ - } \ - else \ - { \ - Current = Rhs[0]; \ - } \ -} while (0) - -/* Pass the control structure to YYPARSE and YYLEX. */ -#define YYPARSE_PARAM gram_control -#define YYLEX_PARAM gram_control -/* YYPARSE receives GRAM_CONTROL as a void *. Provide a - correctly typed access to it. */ -#define yycontrol ((gram_control_t *) gram_control) - -/* Request detailed parse error messages, and pass them to - GRAM_ERROR. */ -#undef yyerror -#define yyerror(Msg) \ - gram_error (yycontrol, &yylloc, Msg) - -#define YYPRINT(File, Type, 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; -location_t current_lhs_location; -associativity current_assoc; -int current_prec = 0; -braced_code_t current_braced_code = action_braced_code; - - /* Tokens. */ #ifndef YYTOKENTYPE -# if defined (__STDC__) || defined (__cplusplus) +# define YYTOKENTYPE /* Put the tokens into the symbol table, so that GDB and other debuggers know about them. */ enum yytokentype { GRAM_EOF = 0, STRING = 258, - 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, + 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_DEFAULT_PREC = 273, + PERCENT_DEFINE = 274, + PERCENT_DEFINES = 275, PERCENT_ERROR_VERBOSE = 276, - PERCENT_OUTPUT = 277, + PERCENT_EXPECT = 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 + PERCENT_GLR_PARSER = 279, + PERCENT_INITIAL_ACTION = 280, + PERCENT_LEX_PARAM = 281, + PERCENT_LOCATIONS = 282, + PERCENT_NAME_PREFIX = 283, + PERCENT_NO_DEFAULT_PREC = 284, + PERCENT_NO_LINES = 285, + PERCENT_NONDETERMINISTIC_PARSER = 286, + PERCENT_OUTPUT = 287, + PERCENT_PARSE_PARAM = 288, + PERCENT_PURE_PARSER = 289, + PERCENT_SKELETON = 290, + PERCENT_START = 291, + PERCENT_TOKEN_TABLE = 292, + PERCENT_VERBOSE = 293, + PERCENT_YACC = 294, + TYPE = 295, + EQUAL = 296, + SEMICOLON = 297, + PIPE = 298, + ID = 299, + ID_COLON = 300, + PERCENT_PERCENT = 301, + PROLOGUE = 302, + EPILOGUE = 303, + BRACED_CODE = 304 }; -# endif - /* POSIX requires `int' for tokens in interfaces. */ -# define YYTOKENTYPE int -#endif /* !YYTOKENTYPE */ +#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_EXPECT 270 -#define PERCENT_START 271 -#define PERCENT_PREC 272 -#define PERCENT_DPREC 273 -#define PERCENT_MERGE 274 -#define PERCENT_VERBOSE 275 +#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_DEFAULT_PREC 273 +#define PERCENT_DEFINE 274 +#define PERCENT_DEFINES 275 #define PERCENT_ERROR_VERBOSE 276 -#define PERCENT_OUTPUT 277 +#define PERCENT_EXPECT 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 +#define PERCENT_GLR_PARSER 279 +#define PERCENT_INITIAL_ACTION 280 +#define PERCENT_LEX_PARAM 281 +#define PERCENT_LOCATIONS 282 +#define PERCENT_NAME_PREFIX 283 +#define PERCENT_NO_DEFAULT_PREC 284 +#define PERCENT_NO_LINES 285 +#define PERCENT_NONDETERMINISTIC_PARSER 286 +#define PERCENT_OUTPUT 287 +#define PERCENT_PARSE_PARAM 288 +#define PERCENT_PURE_PARSER 289 +#define PERCENT_SKELETON 290 +#define PERCENT_START 291 +#define PERCENT_TOKEN_TABLE 292 +#define PERCENT_VERBOSE 293 +#define PERCENT_YACC 294 +#define TYPE 295 +#define EQUAL 296 +#define SEMICOLON 297 +#define PIPE 298 +#define ID 299 +#define ID_COLON 300 +#define PERCENT_PERCENT 301 +#define PROLOGUE 302 +#define EPILOGUE 303 +#define BRACED_CODE 304 + + +/* Copy the first part of user declarations. */ +#line 32 "parse-gram.y" + +#include "system.h" + +#include "complain.h" +#include "conflicts.h" +#include "files.h" +#include "getargs.h" +#include "gram.h" +#include "muscle_tab.h" +#include "output.h" +#include "reader.h" +#include "symlist.h" + +#define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N) +static YYLTYPE lloc_default (YYLTYPE const *, int); + +/* 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) \ + 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; +uniqstr current_type = 0; +symbol *current_lhs; +location current_lhs_location; +assoc current_assoc; +int current_prec = 0; /* Enabling traces. */ @@ -224,56 +213,67 @@ braced_code_t current_braced_code = action_braced_code; # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else -# define YYERROR_VERBOSE 0 +# define YYERROR_VERBOSE 1 #endif -#ifndef YYSTYPE -#line 88 "parse-gram.y" -typedef union { - symbol_t *symbol; - symbol_list_t *list; +#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) +#line 80 "parse-gram.y" +typedef union YYSTYPE { + symbol *symbol; + symbol_list *list; int integer; - char *string; - associativity assoc; -} yystype; -/* Line 272 of /home/cs/hilfingr/work/grammars/glr2/install/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 231 "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 292 of /home/cs/hilfingr/work/grammars/glr2/install/share/bison/yacc.c. */ -#line 262 "parse-gram.c" +/* Line 214 of yacc.c. */ +#line 255 "parse-gram.c" #if ! defined (yyoverflow) || YYERROR_VERBOSE +# ifndef YYFREE +# define YYFREE free +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# endif + /* The parser invokes alloca or malloc; define the necessary symbols. */ -# if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# endif # else -# ifndef YYSTACK_USE_ALLOCA -# if defined (alloca) || defined (_ALLOCA_H) -# define YYSTACK_ALLOC alloca -# else -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# endif +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca # endif # endif # endif @@ -286,15 +286,16 @@ typedef struct yyltype # include /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # endif -# define YYSTACK_ALLOC malloc -# define YYSTACK_FREE free +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE # endif #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ #if (! defined (yyoverflow) \ && (! defined (__cplusplus) \ - || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \ + && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union yyalloc @@ -305,18 +306,18 @@ 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. */ # ifndef YYCOPY -# if 1 < __GNUC__ +# if defined (__GNUC__) && 1 < __GNUC__ # define YYCOPY(To, From, Count) \ __builtin_memcpy (To, From, (Count) * sizeof (*(From))) # else @@ -325,7 +326,7 @@ union yyalloc { \ register YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ - (To)[yyi] = (From)[yyi]; \ + (To)[yyi] = (From)[yyi]; \ } \ while (0) # endif @@ -342,33 +343,39 @@ 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) #endif +#if defined (__STDC__) || defined (__cplusplus) + typedef signed char yysigned_char; +#else + typedef short yysigned_char; +#endif + /* YYFINAL -- State number of the termination state. */ #define YYFINAL 3 -#define YYFLAG -32768 -#define YYLAST 125 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 156 /* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 45 +#define YYNTOKENS 50 /* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 28 +#define YYNNTS 25 /* YYNRULES -- Number of rules. */ -#define YYNRULES 74 +#define YYNRULES 78 /* YYNRULES -- Number of states. */ #define YYNSTATES 106 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 -#define YYMAXUTOK 299 +#define YYMAXUTOK 304 -#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[] = @@ -402,7 +409,8 @@ static const unsigned char yytranslate[] = 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, - 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49 }; #if YYDEBUG @@ -410,52 +418,52 @@ 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, 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, 143, 149, 151, 155, - 156, 159, 162, 166, 170, 174, 176, 178, 180, 182, - 184, 186, 187, 190, 191 + 0, 0, 3, 8, 9, 12, 14, 16, 18, 22, + 24, 26, 29, 33, 35, 37, 39, 41, 45, 47, + 49, 53, 55, 57, 60, 62, 64, 66, 68, 70, + 72, 75, 77, 80, 83, 85, 87, 88, 92, 93, + 97, 101, 105, 107, 109, 111, 112, 114, 116, 119, + 121, 123, 126, 129, 133, 135, 138, 140, 143, 145, + 148, 151, 152, 156, 158, 162, 165, 166, 169, 172, + 176, 180, 184, 186, 188, 190, 192, 194, 195 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const signed char yyrhs[] = +static const yysigned_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, 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 + 51, 0, -1, 52, 46, 64, 74, -1, -1, 52, + 53, -1, 54, -1, 47, -1, 17, -1, 19, 73, + 73, -1, 20, -1, 21, -1, 22, 4, -1, 23, + 41, 73, -1, 24, -1, 25, -1, 26, -1, 27, + -1, 28, 41, 73, -1, 30, -1, 31, -1, 32, + 41, 73, -1, 33, -1, 34, -1, 35, 73, -1, + 37, -1, 38, -1, 39, -1, 42, -1, 58, -1, + 55, -1, 36, 70, -1, 10, -1, 8, 61, -1, + 9, 61, -1, 18, -1, 29, -1, -1, 6, 56, + 63, -1, -1, 5, 57, 63, -1, 7, 40, 61, + -1, 59, 60, 61, -1, 11, -1, 12, -1, 13, + -1, -1, 40, -1, 70, -1, 61, 70, -1, 40, + -1, 44, -1, 44, 4, -1, 44, 72, -1, 44, + 4, 72, -1, 62, -1, 63, 62, -1, 65, -1, + 64, 65, -1, 66, -1, 54, 42, -1, 1, 42, + -1, -1, 45, 67, 68, -1, 69, -1, 68, 43, + 69, -1, 68, 42, -1, -1, 69, 70, -1, 69, + 71, -1, 69, 14, 70, -1, 69, 15, 4, -1, + 69, 16, 40, -1, 44, -1, 72, -1, 49, -1, + 3, -1, 3, -1, -1, 46, 48, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const unsigned short yyrline[] = { - 0, 158, 158, 171, 173, 176, 178, 179, 180, 181, - 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, - 192, 193, 194, 197, 199, 200, 204, 211, 210, 221, - 220, 233, 232, 238, 238, 243, 252, 267, 269, 270, - 273, 275, 280, 282, 286, 291, 296, 302, 308, 318, - 321, 330, 332, 338, 340, 344, 343, 348, 350, 353, - 356, 358, 360, 362, 364, 368, 370, 371, 374, 380, - 389, 397, 402, 408, 410 + 0, 172, 172, 180, 182, 186, 187, 188, 189, 190, + 191, 192, 193, 194, 199, 203, 204, 205, 206, 207, + 208, 209, 210, 211, 212, 213, 214, 215, 219, 220, + 221, 225, 231, 238, 245, 249, 256, 256, 261, 261, + 266, 276, 291, 292, 293, 297, 298, 304, 305, 310, + 314, 319, 325, 331, 342, 343, 352, 353, 359, 360, + 365, 372, 372, 376, 377, 378, 383, 384, 386, 388, + 390, 392, 397, 398, 402, 408, 417, 424, 426 }; #endif @@ -464,165 +472,178 @@ static const unsigned short yyrline[] = First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { - "\"end of string\"", "error", "$undefined.", "STRING", "CHARACTER", "INT", - "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"", - "\"%printer\"", "\"%union\"", "\"%left\"", "\"%right\"", - "\"%nonassoc\"", "\"%expect\"", "\"%start\"", "\"%prec\"", "\"%dprec\"", - "\"%merge\"", "\"%verbose\"", "\"%error-verbose\"", "\"%output\"", - "\"%file-prefix\"", "\"%name-prefix\"", "\"%define\"", - "\"%pure-parser\"", "\"%glr-parser\"", "\"%defines\"", "\"%yacc\"", - "\"%debug\"", "\"%locations\"", "\"%no-lines\"", "\"%skeleton\"", - "\"%token-table\"", "TYPE", "\"=\"", "\";\"", "\":\"", "\"|\"", - "\"identifier\"", "\"%%\"", "PROLOGUE", "EPILOGUE", "BRACED_CODE", - "$axiom", "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", "$undefined", "\"string\"", "\"integer\"", + "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"", + "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"", + "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"", + "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"", + "\"%expect\"", "\"%file-prefix\"", "\"%glr-parser\"", + "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"", + "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"", + "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"", + "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"", + "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"", + "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"", + "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations", + "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2", + "precedence_declaration", "precedence_declarator", "type.opt", + "symbols.1", "symbol_def", "symbol_defs.1", "grammar", + "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs", + "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0 }; #endif +# ifdef YYPRINT /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to token YYLEX-NUM. */ -static const short yytoknum[] = +static const unsigned short yytoknum[] = { 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, - 295, 296, 297, 298, 299, -1 + 295, 296, 297, 298, 299, 300, 301, 302, 303, 304 }; +# endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const unsigned char yyr1[] = { - 0, 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, 64, 63, 65, 65, 66, - 66, 66, 66, 66, 66, 67, 67, 67, 68, 69, - 70, 71, 71, 72, 72 + 0, 50, 51, 52, 52, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, 54, 54, + 54, 54, 54, 54, 54, 54, 56, 55, 57, 55, + 55, 58, 59, 59, 59, 60, 60, 61, 61, 62, + 62, 62, 62, 62, 63, 63, 64, 64, 65, 65, + 65, 67, 66, 68, 68, 68, 69, 69, 69, 69, + 69, 69, 70, 70, 71, 72, 73, 74, 74 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ static const unsigned char yyr2[] = { - 0, 2, 4, 0, 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, 0, 5, 1, 3, 0, - 2, 2, 3, 3, 3, 1, 1, 1, 1, 1, - 1, 0, 2, 0, 1 + 0, 2, 4, 0, 2, 1, 1, 1, 3, 1, + 1, 2, 3, 1, 1, 1, 1, 3, 1, 1, + 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, + 2, 1, 2, 2, 1, 1, 0, 3, 0, 3, + 3, 3, 1, 1, 1, 0, 1, 1, 2, 1, + 1, 2, 2, 3, 1, 2, 1, 2, 1, 2, + 2, 0, 3, 1, 3, 2, 0, 2, 2, 3, + 3, 3, 1, 1, 1, 1, 1, 0, 2 }; /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state STATE-NUM when YYTABLE doesn't specify something else to do. Zero means the default is an error. */ -static const short yydefact[] = +static const unsigned char yydefact[] = { - 3, 0, 0, 0, 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, 73, 5, 24, 23, 40, 0, 0, 0, - 0, 0, 26, 11, 69, 67, 65, 25, 66, 0, - 0, 0, 70, 0, 19, 0, 0, 71, 51, 53, - 74, 4, 41, 0, 44, 45, 49, 34, 32, 35, - 42, 0, 0, 16, 12, 14, 8, 55, 54, 0, - 52, 2, 36, 46, 47, 50, 43, 28, 30, 59, - 72, 48, 0, 57, 56, 59, 0, 0, 0, 68, - 60, 61, 58, 62, 63, 64 + 3, 0, 0, 1, 38, 36, 0, 0, 0, 31, + 42, 43, 44, 7, 34, 0, 9, 10, 0, 0, + 13, 14, 15, 16, 0, 35, 18, 19, 0, 21, + 22, 0, 0, 24, 25, 26, 27, 0, 6, 4, + 5, 29, 28, 45, 0, 0, 0, 75, 72, 32, + 47, 73, 33, 76, 0, 11, 0, 0, 0, 23, + 30, 0, 61, 0, 0, 56, 58, 46, 0, 49, + 50, 54, 39, 37, 40, 48, 8, 12, 17, 20, + 60, 66, 59, 0, 57, 2, 41, 51, 52, 55, + 62, 63, 78, 53, 65, 66, 0, 0, 0, 74, + 67, 68, 64, 69, 70, 71 }; -/* YYPGOTO[NTERM-NUM]. */ -static const short yydefgoto[] = +/* YYDEFGOTO[NTERM-NUM]. */ +static const yysigned_char yydefgoto[] = { - -1, 1, 2, 32, 56, 40, 41, 34, 38, 37, - 35, 36, 63, 69, 66, 67, 57, 58, 59, 89, - 92, 93, 70, 101, 48, 53, 81, 61 + -1, 1, 2, 39, 63, 41, 45, 44, 42, 43, + 68, 49, 71, 72, 64, 65, 66, 81, 90, 91, + 50, 101, 51, 54, 85 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ -static const short yypact[] = +#define YYPACT_NINF -67 +static const yysigned_char yypact[] = { - -32768, 7, 83,-32768,-32768,-32768, -23,-32768,-32768, 3, - -32768,-32768,-32768, 43, 0,-32768,-32768, 13, 14, 15, - 51,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 51,-32768, - 23,-32768, 19,-32768,-32768,-32768, 22, -29, -29, 0, - 17, 18,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 51, - 51, 51,-32768, 51,-32768, 20, 27, 12,-32768,-32768, - -32768,-32768,-32768, 0,-32768, 5,-32768, -29, -29, 0, - -32768, 0, 0,-32768,-32768,-32768,-32768,-32768,-32768, 28, - -32768,-32768, 0, 56,-32768,-32768,-32768, 0, 0,-32768, - -32768,-32768, 4, -2,-32768,-32768, 0, 55, 35,-32768, - -32768,-32768, -2,-32768,-32768,-32768 + -67, 8, 109, -67, -67, -67, -30, 0, 0, -67, + -67, -67, -67, -67, -67, 13, -67, -67, 20, -16, + -67, -67, -67, -67, -15, -67, -67, -67, -5, -67, + -67, 13, 0, -67, -67, -67, -67, 68, -67, -67, + -67, -67, -67, -3, -35, -35, 0, -67, -67, 0, + -67, -67, 0, -67, 13, -67, 13, 13, 13, -67, + -67, -4, -67, 4, 22, -67, -67, -67, 0, -67, + 3, -67, -35, -35, 0, -67, -67, -67, -67, -67, + -67, -67, -67, 1, -67, -67, 0, 38, -67, -67, + -31, -1, -67, -67, -67, -67, 0, 41, 7, -67, + -67, -67, -1, -67, -67, -67 }; /* YYPGOTO[NTERM-NUM]. */ -static const short yypgoto[] = +static const yysigned_char yypgoto[] = { - -32768,-32768,-32768,-32768, 70,-32768,-32768,-32768,-32768,-32768, - -32768,-32768,-32768, -58, -22, 37,-32768, 21,-32768,-32768, - -32768, -19, -14,-32768, -56, 16,-32768,-32768 + -67, -67, -67, -67, 48, -67, -67, -67, -67, -67, + -67, -7, -54, 10, -67, -12, -67, -67, -67, -42, + -32, -67, -66, 31, -67 }; /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If positive, shift that token. If negative, reduce the rule which - number is the opposite. If zero, do what YYDEFACT says. */ -static const short yytable[] = + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -78 +static const yysigned_char yytable[] = { - 47, 44, 45, 44, 45, 82, 64, 3, 44, 84, - 83, 65, 39, 87, 88, 96, 97, 98, 4, 5, - 6, 7, 8, 9, 10, 11, 12, 91, 14, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 46, 14, - 46, 94, 99, 95, 54, 85, 85, 42, 43, 49, - 50, 51, 55, 79, 52, 86, 60, 62, 77, 44, - 104, 71, 72, 55, 78, 73, 74, 75, 86, 76, - 105, 90, 33, 86, 86, 68, 102, 0, 80, 100, - 0, 0, 103, 0, 0, 0, 0, 0, 100, 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 + 60, 52, 47, 47, 88, 69, 47, 87, 3, 70, + 46, 94, 95, 96, 97, 98, 53, 75, 89, 89, + 75, 93, -77, 61, 55, 56, 57, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 58, 67, 80, 74, + 14, 47, 75, 48, 48, 104, 82, 105, 99, 92, + 40, 25, 84, 102, 75, 73, 0, 0, 32, 100, + 0, 86, 59, 0, 103, 0, 0, 62, 83, 61, + 100, 0, 0, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 0, 0, 0, 76, 14, 77, 78, 79, + 0, 0, 0, 0, 0, 0, 0, 25, 0, 0, + 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, + 0, 0, 0, 62, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 0, 0, 0, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, 35, 0, + 0, 36, 0, 0, 0, 37, 38 }; -static const short yycheck[] = +static const yysigned_char yycheck[] = { - 14, 3, 4, 3, 4, 63, 35, 0, 3, 65, - 5, 40, 35, 71, 72, 17, 18, 19, 6, 7, - 8, 9, 10, 11, 12, 13, 14, 83, 16, 6, - 7, 8, 9, 10, 11, 12, 13, 14, 40, 16, - 40, 37, 44, 39, 28, 67, 68, 44, 5, 36, - 36, 36, 40, 41, 3, 69, 37, 35, 38, 3, - 5, 44, 44, 40, 37, 49, 50, 51, 82, 53, - 35, 43, 2, 87, 88, 38, 95, -1, 57, 93, - -1, -1, 96, -1, -1, -1, -1, -1, 102, 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 + 32, 8, 3, 3, 70, 40, 3, 4, 0, 44, + 40, 42, 43, 14, 15, 16, 3, 49, 72, 73, + 52, 87, 0, 1, 4, 41, 41, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 41, 40, 42, 46, + 18, 3, 74, 44, 44, 4, 42, 40, 49, 48, + 2, 29, 64, 95, 86, 45, -1, -1, 36, 91, + -1, 68, 31, -1, 96, -1, -1, 45, 46, 1, + 102, -1, -1, 5, 6, 7, 8, 9, 10, 11, + 12, 13, -1, -1, -1, 54, 18, 56, 57, 58, + -1, -1, -1, -1, -1, -1, -1, 29, -1, -1, + -1, -1, -1, -1, 36, -1, -1, -1, -1, -1, + -1, -1, -1, 45, 5, 6, 7, 8, 9, 10, + 11, 12, 13, -1, -1, -1, 17, 18, 19, 20, + 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, -1, + -1, 42, -1, -1, -1, 46, 47 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const unsigned char yystos[] = { - 0, 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, 40, 49, 61, 62, 63, - 37, 72, 35, 57, 35, 40, 59, 60, 60, 58, - 67, 44, 44, 70, 70, 70, 70, 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 + 0, 51, 52, 0, 5, 6, 7, 8, 9, 10, + 11, 12, 13, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 42, 46, 47, 53, + 54, 55, 58, 59, 57, 56, 40, 3, 44, 61, + 70, 72, 61, 3, 73, 4, 41, 41, 41, 73, + 70, 1, 45, 54, 64, 65, 66, 40, 60, 40, + 44, 62, 63, 63, 61, 70, 73, 73, 73, 73, + 42, 67, 42, 46, 65, 74, 61, 4, 72, 62, + 68, 69, 48, 72, 42, 43, 14, 15, 16, 49, + 70, 71, 69, 70, 4, 40 }; #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) @@ -643,12 +664,13 @@ 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 goto yyerrorlab + /* Like YYERROR except do call yyerror. This remains here temporarily to ease the transition to the new meaning of YYERROR, for GCC. @@ -664,13 +686,13 @@ 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) @@ -682,19 +704,19 @@ while (0) are run). */ #ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - Current.first_line = Rhs[1].first_line; \ - Current.first_column = Rhs[1].first_column; \ - Current.last_line = Rhs[N].last_line; \ - Current.last_column = Rhs[N].last_column; +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + ((Current).first_line = (Rhs)[1].first_line, \ + (Current).first_column = (Rhs)[1].first_column, \ + (Current).last_line = (Rhs)[N].last_line, \ + (Current).last_column = (Rhs)[N].last_column) #endif /* YYLEX -- calling `yylex' with the right arguments. */ #ifdef YYLEX_PARAM -# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) #else -# define YYLEX yylex (&yylval, &yylloc) +# define YYLEX yylex (&yylval, &yylloc) #endif /* Enable debugging if requested. */ @@ -710,19 +732,93 @@ 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 (included). | +`------------------------------------------------------------------*/ + +#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 @@ -735,7 +831,7 @@ int yydebug; SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ -#if YYMAXDEPTH == 0 +#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0 # undef YYMAXDEPTH #endif @@ -800,49 +896,116 @@ yystpcpy (yydest, yysrc) -/* The user can define YYPARSE_PARAM as the name of an argument to be passed - into yyparse. The argument should have type void *. - It should actually point to an object. - Grammar actions can access the variable by casting it - to the proper pointer type. */ +#if YYDEBUG +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) +#else +static void +yysymprint (yyoutput, yytype, yyvaluep, yylocationp) + FILE *yyoutput; + int yytype; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + (void) yylocationp; + + if (yytype < YYNTOKENS) + { + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); +# ifdef YYPRINT + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + } + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + switch (yytype) + { + default: + break; + } + YYFPRINTF (yyoutput, ")"); +} + +#endif /* ! YYDEBUG */ +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yydestruct (int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) +#else +static void +yydestruct (yytype, yyvaluep, yylocationp) + int yytype; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + (void) yylocationp; + + switch (yytype) + { + + default: + break; + } +} + + +/* Prevent warnings from -Wmissing-prototypes. */ #ifdef YYPARSE_PARAM # if defined (__STDC__) || defined (__cplusplus) -# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM -# define YYPARSE_PARAM_DECL +int yyparse (void *YYPARSE_PARAM); # else -# define YYPARSE_PARAM_ARG YYPARSE_PARAM -# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; +int yyparse (); # endif -#else /* !YYPARSE_PARAM */ -# define YYPARSE_PARAM_ARG -# define YYPARSE_PARAM_DECL -#endif /* !YYPARSE_PARAM */ - -/* Prevent warning if -Wstrict-prototypes. */ -#ifdef __GNUC__ -# ifdef YYPARSE_PARAM -int yyparse (void *); -# else +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) int yyparse (void); -# endif +#else +int yyparse (); #endif +#endif /* ! YYPARSE_PARAM */ + + -#if defined (__STDC__) || defined (__cplusplus) -static void yydestruct (int yytype, - YYSTYPE yyvalue, YYLTYPE yylocation); -# if YYDEBUG -static void yysymprint (FILE* out, int yytype, - YYSTYPE yyvalue, YYLTYPE yylocation); -# endif -#endif +/*----------. +| yyparse. | +`----------*/ +#ifdef YYPARSE_PARAM +# if defined (__STDC__) || defined (__cplusplus) +int yyparse (void *YYPARSE_PARAM) +# else +int yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +# endif +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) +int +yyparse (void) +#else int -yyparse (YYPARSE_PARAM_ARG) - YYPARSE_PARAM_DECL +yyparse () + +#endif +#endif { /* The lookahead symbol. */ int yychar; @@ -850,7 +1013,7 @@ 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; @@ -861,7 +1024,7 @@ 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, @@ -885,6 +1048,7 @@ YYLTYPE yylloc; YYLTYPE yylsa[YYINITDEPTH]; YYLTYPE *yyls = yylsa; YYLTYPE *yylsp; + YYLTYPE *yylerrsp; #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) @@ -914,6 +1078,18 @@ YYLTYPE yylloc; yyssp = yyss; yyvsp = yyvs; yylsp = yyls; + + /* User initialization code. */ + #line 70 "parse-gram.y" +{ + /* Bison's grammar can initial empty locations, hence a default + location is needed. */ + (*yylsp).start.file = (*yylsp).end.file = current_file; + (*yylsp).start.line = (*yylsp).end.line = 1; + (*yylsp).start.column = (*yylsp).end.column = 0; +} +/* Line 818 of yacc.c. */ +#line 1093 "parse-gram.c" goto yysetstate; /*------------------------------------------------------------. @@ -928,7 +1104,7 @@ YYLTYPE yylloc; yysetstate: *yyssp = yystate; - if (yyssp >= yyss + yystacksize - 1) + if (yyss + yystacksize - 1 <= yyssp) { /* Get the current used size of the three stacks, in elements. */ YYSIZE_T yysize = yyssp - yyss + 1; @@ -960,10 +1136,10 @@ YYLTYPE yylloc; goto yyoverflowlab; # else /* Extend the stack our own way. */ - if (yystacksize >= YYMAXDEPTH) + if (YYMAXDEPTH <= yystacksize) goto yyoverflowlab; yystacksize *= 2; - if (yystacksize > YYMAXDEPTH) + if (YYMAXDEPTH < yystacksize) yystacksize = YYMAXDEPTH; { @@ -989,7 +1165,7 @@ YYLTYPE yylloc; YYDPRINTF ((stderr, "Stack size increased to %lu\n", (unsigned long int) yystacksize)); - if (yyssp >= yyss + yystacksize - 1) + if (yyss + yystacksize - 1 <= yyssp) YYABORT; } @@ -1009,69 +1185,48 @@ 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. */ - /* 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); } - yyn += yychar1; - if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) goto yydefault; - yyn = yytable[yyn]; - - /* yyn is what to do for this token type in this state. - Negative => reduce, -yyn is rule number. - Positive => shift, yyn is new state. - New state is final state => don't bother to shift, - just return success. - 0, or most negative number => error. */ - - if (yyn < 0) + if (yyn <= 0) { - if (yyn == YYFLAG) + if (yyn == 0 || yyn == YYTABLE_NINF) goto yyerrlab; yyn = -yyn; goto yyreduce; } - else if (yyn == 0) - goto yyerrlab; if (yyn == YYFINAL) YYACCEPT; /* 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) @@ -1109,215 +1264,218 @@ 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]; /* 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]; yyrhs[yyi] >= 0; yyi++) - YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); - YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); - } -#endif + YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen); + YY_REDUCE_PRINT (yyn); switch (yyn) { - case 2: -#line 160 "parse-gram.y" - { - yycontrol->errcode = 0; - epilogue_set (yyvsp[0].string, yylsp[0]); - } - break; - - case 6: -#line 178 "parse-gram.y" - { prologue_augment (yyvsp[0].string, yylsp[0]); } + case 6: +#line 187 "parse-gram.y" + { prologue_augment (yyvsp[0].chars, yylsp[0]); } break; case 7: -#line 179 "parse-gram.y" - { debug_flag = 1; } +#line 188 "parse-gram.y" + { debug_flag = true; } break; case 8: -#line 180 "parse-gram.y" - { muscle_insert (yyvsp[-1].string, yyvsp[0].string); } +#line 189 "parse-gram.y" + { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); } break; case 9: -#line 181 "parse-gram.y" - { defines_flag = 1; } +#line 190 "parse-gram.y" + { defines_flag = true; } break; case 10: -#line 182 "parse-gram.y" - { error_verbose = 1; } +#line 191 "parse-gram.y" + { error_verbose = true; } break; case 11: -#line 183 "parse-gram.y" +#line 192 "parse-gram.y" { expected_conflicts = yyvsp[0].integer; } break; case 12: -#line 184 "parse-gram.y" - { spec_file_prefix = yyvsp[0].string; } +#line 193 "parse-gram.y" + { spec_file_prefix = yyvsp[0].chars; } break; case 13: -#line 185 "parse-gram.y" - { locations_flag = 1; } +#line 195 "parse-gram.y" + { + nondeterministic_parser = true; + glr_parser = true; + } break; case 14: -#line 186 "parse-gram.y" - { spec_name_prefix = yyvsp[0].string; } +#line 200 "parse-gram.y" + { + muscle_code_grow ("initial_action", yyvsp[0].chars, yylsp[0]); + } break; case 15: -#line 187 "parse-gram.y" - { no_lines_flag = 1; } +#line 203 "parse-gram.y" + { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); } break; case 16: -#line 188 "parse-gram.y" - { spec_outfile = yyvsp[0].string; } +#line 204 "parse-gram.y" + { locations_flag = true; } break; case 17: -#line 189 "parse-gram.y" - { pure_parser = 1; } +#line 205 "parse-gram.y" + { spec_name_prefix = yyvsp[0].chars; } break; case 18: -#line 190 "parse-gram.y" - { glr_parser = 1; } +#line 206 "parse-gram.y" + { no_lines_flag = true; } break; case 19: -#line 191 "parse-gram.y" - { skeleton = yyvsp[0].string; } +#line 207 "parse-gram.y" + { nondeterministic_parser = true; } break; case 20: -#line 192 "parse-gram.y" - { token_table_flag = 1; } +#line 208 "parse-gram.y" + { spec_outfile = yyvsp[0].chars; } break; case 21: -#line 193 "parse-gram.y" - { report_flag = 1; } +#line 209 "parse-gram.y" + { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); } break; case 22: -#line 194 "parse-gram.y" - { yacc_flag = 1; } +#line 210 "parse-gram.y" + { pure_parser = true; } + break; + + case 23: +#line 211 "parse-gram.y" + { skeleton = yyvsp[0].chars; } + break; + + case 24: +#line 212 "parse-gram.y" + { token_table_flag = true; } break; case 25: -#line 201 "parse-gram.y" +#line 213 "parse-gram.y" + { report_flag = report_states; } + break; + + case 26: +#line 214 "parse-gram.y" + { yacc_flag = true; } + break; + + case 30: +#line 222 "parse-gram.y" { grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]); } break; - case 26: -#line 205 "parse-gram.y" + case 31: +#line 226 "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 27: -#line 211 "parse-gram.y" - { current_braced_code = destructor_braced_code; } + case 32: +#line 232 "parse-gram.y" + { + symbol_list *list; + for (list = yyvsp[0].list; list; list = list->next) + symbol_destructor_set (list->sym, yyvsp[-1].chars, yylsp[-1]); + symbol_list_free (yyvsp[0].list); + } break; - case 28: -#line 213 "parse-gram.y" + case 33: +#line 239 "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_printer_set (list->sym, yyvsp[-1].chars, list->location); symbol_list_free (yyvsp[0].list); - current_braced_code = action_braced_code; } break; - case 29: -#line 221 "parse-gram.y" - { current_braced_code = printer_braced_code; } + case 34: +#line 246 "parse-gram.y" + { + default_prec = true; + } break; - case 30: -#line 223 "parse-gram.y" + case 35: +#line 250 "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; + default_prec = false; } break; - case 31: -#line 233 "parse-gram.y" + case 36: +#line 256 "parse-gram.y" { current_class = nterm_sym; } break; - case 32: -#line 234 "parse-gram.y" + case 37: +#line 257 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; } break; - case 33: -#line 238 "parse-gram.y" + case 38: +#line 261 "parse-gram.y" { current_class = token_sym; } break; - case 34: -#line 239 "parse-gram.y" + case 39: +#line 262 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; } break; - case 35: -#line 244 "parse-gram.y" + case 40: +#line 267 "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 36: -#line 254 "parse-gram.y" + case 41: +#line 277 "parse-gram.y" { - symbol_list_t *list; + symbol_list *list; ++current_prec; for (list = yyvsp[0].list; list; list = list->next) { @@ -1329,58 +1487,58 @@ yyreduce: } break; - case 37: -#line 268 "parse-gram.y" + case 42: +#line 291 "parse-gram.y" { yyval.assoc = left_assoc; } break; - case 38: -#line 269 "parse-gram.y" + case 43: +#line 292 "parse-gram.y" { yyval.assoc = right_assoc; } break; - case 39: -#line 270 "parse-gram.y" + case 44: +#line 293 "parse-gram.y" { yyval.assoc = non_assoc; } break; - case 40: -#line 274 "parse-gram.y" - { current_type = NULL;} + case 45: +#line 297 "parse-gram.y" + { current_type = NULL; } break; - case 41: -#line 275 "parse-gram.y" - { current_type = yyvsp[0].string; } + case 46: +#line 298 "parse-gram.y" + { current_type = yyvsp[0].uniqstr; } break; - case 42: -#line 281 "parse-gram.y" + case 47: +#line 304 "parse-gram.y" { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); } break; - case 43: -#line 282 "parse-gram.y" + case 48: +#line 305 "parse-gram.y" { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); } break; - case 44: -#line 288 "parse-gram.y" + case 49: +#line 311 "parse-gram.y" { - current_type = yyvsp[0].string; + current_type = yyvsp[0].uniqstr; } break; - case 45: -#line 292 "parse-gram.y" + case 50: +#line 315 "parse-gram.y" { symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]); symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]); } break; - case 46: -#line 297 "parse-gram.y" + case 51: +#line 320 "parse-gram.y" { symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); @@ -1388,155 +1546,135 @@ yyreduce: } break; - case 47: -#line 303 "parse-gram.y" + case 52: +#line 326 "parse-gram.y" { symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); - symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol); + symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol, yyloc); } break; - case 48: -#line 309 "parse-gram.y" + case 53: +#line 332 "parse-gram.y" { symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]); symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]); symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer, yylsp[-1]); - symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol); + symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol, yyloc); } break; - case 49: -#line 320 "parse-gram.y" - {;} - break; - - case 50: -#line 322 "parse-gram.y" - {;} + case 59: +#line 361 "parse-gram.y" + { + if (yacc_flag) + complain_at (yyloc, _("POSIX forbids declarations in the grammar")); + } break; - case 55: -#line 344 "parse-gram.y" - { current_lhs = yyvsp[-1].symbol; current_lhs_location = yylsp[-1]; } + case 60: +#line 366 "parse-gram.y" + { + yyerrok; + } break; - case 56: -#line 345 "parse-gram.y" - {;} + case 61: +#line 372 "parse-gram.y" + { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; } break; - case 57: -#line 349 "parse-gram.y" + case 63: +#line 376 "parse-gram.y" { grammar_rule_end (yylsp[0]); } break; - case 58: -#line 350 "parse-gram.y" + case 64: +#line 377 "parse-gram.y" { grammar_rule_end (yylsp[0]); } break; - case 59: -#line 355 "parse-gram.y" + case 66: +#line 383 "parse-gram.y" { grammar_rule_begin (current_lhs, current_lhs_location); } break; - case 60: -#line 357 "parse-gram.y" + case 67: +#line 385 "parse-gram.y" { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } break; - case 61: -#line 359 "parse-gram.y" - { grammar_current_rule_action_append (yyvsp[0].string, yylsp[0]); } + case 68: +#line 387 "parse-gram.y" + { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); } break; - case 62: -#line 361 "parse-gram.y" + case 69: +#line 389 "parse-gram.y" { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } break; - case 63: -#line 363 "parse-gram.y" + case 70: +#line 391 "parse-gram.y" { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } break; - case 64: -#line 365 "parse-gram.y" - { grammar_current_rule_merge_set (yyvsp[0].string, yylsp[0]); } + case 71: +#line 393 "parse-gram.y" + { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); } break; - case 65: -#line 369 "parse-gram.y" + case 72: +#line 397 "parse-gram.y" { yyval.symbol = yyvsp[0].symbol; } break; - case 66: -#line 370 "parse-gram.y" + case 73: +#line 398 "parse-gram.y" { yyval.symbol = yyvsp[0].symbol; } break; - case 67: -#line 371 "parse-gram.y" - { yyval.symbol = getsym (yyvsp[0].string, yylsp[0]); } - break; - - case 68: -#line 376 "parse-gram.y" - { yyval.string = yyvsp[0].string; } + case 74: +#line 403 "parse-gram.y" + { yyval.chars = yyvsp[0].chars; } break; - case 69: -#line 382 "parse-gram.y" + case 75: +#line 409 "parse-gram.y" { - yyval.symbol = getsym (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 70: -#line 391 "parse-gram.y" + case 76: +#line 418 "parse-gram.y" { - yyval.string = yyvsp[0].string + 1; - yyval.string[strlen (yyval.string) - 1] = '\0'; + yyval.chars = yyvsp[0].chars + 1; + yyval.chars[strlen (yyval.chars) - 1] = '\0'; } break; - case 71: -#line 399 "parse-gram.y" - { - yyval.string = xstrdup (""); - } - break; - - case 72: -#line 403 "parse-gram.y" + case 78: +#line 427 "parse-gram.y" { - yyval.string = yyvsp[0].string; + muscle_code_grow ("epilogue", yyvsp[0].chars, yylsp[0]); + scanner_last_string_free (); } break; } -/* Line 1040 of /home/cs/hilfingr/work/grammars/glr2/install/share/bison/yacc.c. */ -#line 1525 "parse-gram.c" +/* Line 1010 of yacc.c. */ +#line 1672 "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; @@ -1548,7 +1686,7 @@ yyreduce: yyn = yyr1[yyn]; yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTOKENS]; @@ -1564,101 +1702,134 @@ yyerrlab: if (!yyerrstatus) { ++yynerrs; - #if YYERROR_VERBOSE yyn = yypact[yystate]; - if (yyn > YYFLAG && yyn < YYLAST) + if (YYPACT_NINF < yyn && yyn < YYLAST) { YYSIZE_T yysize = 0; + int yytype = YYTRANSLATE (yychar); + 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++) - if (yycheck[yyx + yyn] == yyx) - yysize += yystrlen (yytname[yyx]) + 15, yycount++; - yysize += yystrlen ("parse error, unexpected ") + 1; - yysize += yystrlen (yytname[YYTRANSLATE (yychar)]); + 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 (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 "); - yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]); + 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++) - if (yycheck[yyx + yyn] == 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"); - } + } + else + 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 error, discard it. */ - /* Return failure if at end of input. */ - if (yychar == YYEOF) + if (yychar <= YYEOF) { - /* Pop the error token. */ - YYPOPSTACK; - /* Pop the rest of the stack. */ - while (yyssp > yyss) - { - YYDPRINTF ((stderr, "Error: popping ")); - YYDSYMPRINT ((stderr, - yystos[*yyssp], - *yyvsp, *yylsp)); - YYDPRINTF ((stderr, "\n")); - yydestruct (yystos[*yyssp], *yyvsp, *yylsp); - YYPOPSTACK; - } - YYABORT; + /* If at end of input, pop the error token, + then the rest of the stack, then return failure. */ + if (yychar == YYEOF) + for (;;) + { + YYPOPSTACK; + if (yyssp == yyss) + YYABORT; + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + yydestruct (yystos[*yyssp], yyvsp, yylsp); + } } - - YYDPRINTF ((stderr, "Discarding token %d (%s).\n", - yychar, yytname[yychar1])); - yydestruct (yychar1, yylval, yylloc); - yychar = YYEMPTY; + else + { + YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); + yydestruct (yytoken, &yylval, &yylloc); + yychar = YYEMPTY; + *++yylerrsp = yylloc; + } } /* Else will try to reuse lookahead token after shifting the error token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + +#ifdef __GNUC__ + /* Pacify GCC when the user code never invokes YYERROR and the label + yyerrorlab therefore never appears in user code. */ + if (0) + goto yyerrorlab; +#endif + + yyvsp -= yylen; + yyssp -= yylen; + yystate = *yyssp; + yylerrsp = yylsp; + *++yylerrsp = yyloc; + yylsp -= yylen; + goto yyerrlab1; + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: yyerrstatus = 3; /* Each real token shifted decrements this. */ for (;;) { yyn = yypact[yystate]; - if (yyn != YYFLAG) + if (yyn != YYPACT_NINF) { yyn += YYTERROR; if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) @@ -1673,26 +1844,11 @@ yyerrlab1: if (yyssp == yyss) YYABORT; - YYDPRINTF ((stderr, "Error: popping ")); - YYDSYMPRINT ((stderr, - yystos[*yyssp], *yyvsp, *yylsp)); - YYDPRINTF ((stderr, "\n")); - - 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 + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + yydestruct (yystos[yystate], yyvsp, yylsp); + YYPOPSTACK; + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); } if (yyn == YYFINAL) @@ -1701,7 +1857,8 @@ yyerrlab1: YYDPRINTF ((stderr, "Shifting error token, ")); *++yyvsp = yylval; - *++yylsp = yylloc; + YYLLOC_DEFAULT (yyloc, yylsp, yylerrsp - yylsp); + *++yylsp = yyloc; yystate = yyn; goto yynewstate; @@ -1740,67 +1897,91 @@ yyreturn: } -/*-----------------------------------------------. -| Release the memory associated to this symbol. | -`-----------------------------------------------*/ +#line 433 "parse-gram.y" -static void -yydestruct (int yytype, - YYSTYPE yyvalue, YYLTYPE yylocation) + + +/* 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) { - switch (yytype) - { - default: - break; - } + 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; } -#if YYDEBUG -/*-----------------------------. -| Print this symbol on YYOUT. | -`-----------------------------*/ +/* Add a lex-param or a parse-param (depending on TYPE) with + declaration DECL and location LOC. */ static void -yysymprint (FILE* yyout, int yytype, - YYSTYPE yyvalue, YYLTYPE yylocation) +add_param (char const *type, char *decl, location loc) { - if (yytype < YYNTOKENS) - { - YYFPRINTF (yyout, "token %s (", yytname[yytype]); -# ifdef YYPRINT - YYPRINT (yyout, yytoknum[yytype], yyvalue); -# endif - } + 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 - YYFPRINTF (yyout, "nterm %s (", yytname[yytype]); - - switch (yytype) { - default: - break; + 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); } - YYFPRINTF (yyout, ")"); -} -#endif /* YYDEBUG. */ -#line 412 "parse-gram.y" + scanner_last_string_free (); +} -/*------------------------------------------------------------------. -| When debugging the parser, display tokens' locations and values. | -`------------------------------------------------------------------*/ +/*----------------------------------------------------. +| When debugging the parser, display tokens' values. | +`----------------------------------------------------*/ static void -yyprint (FILE *file, - int type, const yystype *value) +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; @@ -1810,26 +1991,39 @@ 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 (gram_control_t *control ATTRIBUTE_UNUSED, - 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) { - LOCATION_PRINT (stderr, *yylloc); - fprintf (stderr, ": %s\n", msg); + return yytname[type]; }