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/* A Bison parser, made by GNU Bison 1.875c. */ /* Skeleton parser for Yacc-like parsing with Bison, Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 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 the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* As a special exception, when this file is copied by Bison into a Bison output file, you may use that output file without restriction. This special exception was added by the Free Software Foundation in version 1.24 of Bison. */ /* Written by Richard Stallman by simplifying the original so called ``semantic'' parser. */ /* All symbols defined below should begin with yy or YY, to avoid infringing on user name space. This should be done even for local variables, as they might otherwise be expanded by user macros. There are some unavoidable exceptions within include files to define necessary library symbols; they are noted "INFRINGES ON USER NAME SPACE" below. */ /* Identify Bison output. */ #define YYBISON 1 /* Skeleton name. */ #define YYSKELETON_NAME "yacc.c" /* Pure parsers. */ #define YYPURE 0 /* Using locations. */ #define YYLSP_NEEDED 0 /* Tokens. */ #ifndef YYTOKENTYPE # define YYTOKENTYPE /* Put the tokens into the symbol table, so that GDB and other debuggers know about them. */ enum yytokentype { INT = 258, FLOAT = 259, STRING = 260, FIELDNAME = 261, NAME = 262, TYPENAME = 263, NAME_OR_INT = 264, STRUCT = 265, CLASS = 266, SIZEOF = 267, COLONCOLON = 268, ERROR = 269, VARIABLE = 270, THIS = 271, TRUEKEYWORD = 272, FALSEKEYWORD = 273, ABOVE_COMMA = 274, ASSIGN = 275, NOT = 276, OR = 277, XOR = 278, ANDAND = 279, NOTEQUAL = 280, GEQ = 281, LEQ = 282, MOD = 283, DIV = 284, RSH = 285, LSH = 286, DECREMENT = 287, INCREMENT = 288, UNARY = 289, ARROW = 290, BLOCKNAME = 291 }; #endif #define INT 258 #define FLOAT 259 #define STRING 260 #define FIELDNAME 261 #define NAME 262 #define TYPENAME 263 #define NAME_OR_INT 264 #define STRUCT 265 #define CLASS 266 #define SIZEOF 267 #define COLONCOLON 268 #define ERROR 269 #define VARIABLE 270 #define THIS 271 #define TRUEKEYWORD 272 #define FALSEKEYWORD 273 #define ABOVE_COMMA 274 #define ASSIGN 275 #define NOT 276 #define OR 277 #define XOR 278 #define ANDAND 279 #define NOTEQUAL 280 #define GEQ 281 #define LEQ 282 #define MOD 283 #define DIV 284 #define RSH 285 #define LSH 286 #define DECREMENT 287 #define INCREMENT 288 #define UNARY 289 #define ARROW 290 #define BLOCKNAME 291 /* Copy the first part of user declarations. */ #line 45 "p-exp.y" #include "defs.h" #include "gdb_string.h" #include <ctype.h> #include "expression.h" #include "value.h" #include "parser-defs.h" #include "language.h" #include "p-lang.h" #include "bfd.h" /* Required by objfiles.h. */ #include "symfile.h" /* Required by objfiles.h. */ #include "objfiles.h" /* For have_full_symbols and have_partial_symbols */ #include "block.h" #define parse_type builtin_type (parse_gdbarch) /* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc), as well as gratuitiously global symbol names, so we can have multiple yacc generated parsers in gdb. Note that these are only the variables produced by yacc. If other parser generators (bison, byacc, etc) produce additional global names that conflict at link time, then those parser generators need to be fixed instead of adding those names to this list. */ #define yymaxdepth pascal_maxdepth #define yyparse pascal_parse #define yylex pascal_lex #define yyerror pascal_error #define yylval pascal_lval #define yychar pascal_char #define yydebug pascal_debug #define yypact pascal_pact #define yyr1 pascal_r1 #define yyr2 pascal_r2 #define yydef pascal_def #define yychk pascal_chk #define yypgo pascal_pgo #define yyact pascal_act #define yyexca pascal_exca #define yyerrflag pascal_errflag #define yynerrs pascal_nerrs #define yyps pascal_ps #define yypv pascal_pv #define yys pascal_s #define yy_yys pascal_yys #define yystate pascal_state #define yytmp pascal_tmp #define yyv pascal_v #define yy_yyv pascal_yyv #define yyval pascal_val #define yylloc pascal_lloc #define yyreds pascal_reds /* With YYDEBUG defined */ #define yytoks pascal_toks /* With YYDEBUG defined */ #define yyname pascal_name /* With YYDEBUG defined */ #define yyrule pascal_rule /* With YYDEBUG defined */ #define yylhs pascal_yylhs #define yylen pascal_yylen #define yydefred pascal_yydefred #define yydgoto pascal_yydgoto #define yysindex pascal_yysindex #define yyrindex pascal_yyrindex #define yygindex pascal_yygindex #define yytable pascal_yytable #define yycheck pascal_yycheck #ifndef YYDEBUG #define YYDEBUG 1 /* Default to yydebug support */ #endif #define YYFPRINTF parser_fprintf int yyparse (void); static int yylex (void); void yyerror (char *); static char * uptok (char *, int); /* Enabling traces. */ #ifndef YYDEBUG # define YYDEBUG 0 #endif /* Enabling verbose error messages. */ #ifdef YYERROR_VERBOSE # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else # define YYERROR_VERBOSE 0 #endif #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) #line 131 "p-exp.y" typedef union YYSTYPE { LONGEST lval; struct { LONGEST val; struct type *type; } typed_val_int; struct { DOUBLEST dval; struct type *type; } typed_val_float; struct symbol *sym; struct type *tval; struct stoken sval; struct ttype tsym; struct symtoken ssym; int voidval; struct block *bval; enum exp_opcode opcode; struct internalvar *ivar; struct type **tvec; int *ivec; } YYSTYPE; /* Line 191 of yacc.c. */ #line 253 "p-exp.c.tmp" # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 # define YYSTYPE_IS_TRIVIAL 1 #endif /* Copy the second part of user declarations. */ #line 155 "p-exp.y" /* YYSTYPE gets defined by %union */ static int parse_number (char *, int, int, YYSTYPE *); static struct type *current_type; static int leftdiv_is_integer; static void push_current_type (void); static void pop_current_type (void); static int search_field; /* Line 214 of yacc.c. */ #line 276 "p-exp.c.tmp" #if ! defined (yyoverflow) || YYERROR_VERBOSE # ifndef YYFREE # define YYFREE xfree # endif # ifndef YYMALLOC # define YYMALLOC xmalloc # endif /* The parser invokes alloca or xmalloc; define the necessary symbols. */ # ifdef YYSTACK_USE_ALLOCA # if YYSTACK_USE_ALLOCA # define YYSTACK_ALLOC alloca # endif # else # if defined (alloca) || defined (_ALLOCA_H) # define YYSTACK_ALLOC alloca # else # ifdef __GNUC__ # define YYSTACK_ALLOC __builtin_alloca # endif # endif # endif # ifdef YYSTACK_ALLOC /* Pacify GCC's `empty if-body' warning. */ # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) # else # if defined (__STDC__) || defined (__cplusplus) # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # endif # define YYSTACK_ALLOC YYMALLOC # define YYSTACK_FREE YYFREE # endif #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ #if (! defined (yyoverflow) \ && (! defined (__cplusplus) \ || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union yyalloc { short yyss; YYSTYPE yyvs; }; /* The size of the maximum gap between one aligned stack and the next. */ # 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)) \ + YYSTACK_GAP_MAXIMUM) /* Copy COUNT objects from FROM to TO. The source and destination do not overlap. */ # ifndef YYCOPY # if defined (__GNUC__) && 1 < __GNUC__ # define YYCOPY(To, From, Count) \ __builtin_memcpy (To, From, (Count) * sizeof (*(From))) # else # define YYCOPY(To, From, Count) \ do \ { \ register YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ (To)[yyi] = (From)[yyi]; \ } \ while (0) # endif # endif /* Relocate STACK from its old location to the new one. The local variables YYSIZE and YYSTACKSIZE give the old and new number of elements in the stack, and YYPTR gives the new location of the stack. Advance YYPTR to a properly aligned location for the next stack. */ # define YYSTACK_RELOCATE(Stack) \ do \ { \ YYSIZE_T yynewbytes; \ YYCOPY (&yyptr->Stack, Stack, yysize); \ Stack = &yyptr->Stack; \ 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 /* YYLAST -- Last index in YYTABLE. */ #define YYLAST 358 /* YYNTOKENS -- Number of terminals. */ #define YYNTOKENS 52 /* YYNNTS -- Number of nonterminals. */ #define YYNNTS 20 /* YYNRULES -- Number of rules. */ #define YYNRULES 73 /* YYNRULES -- Number of states. */ #define YYNSTATES 122 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 #define YYMAXUTOK 291 #define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ static const unsigned char yytranslate[] = { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 46, 50, 39, 37, 19, 38, 44, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 28, 26, 29, 2, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 45, 2, 51, 48, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 27, 30, 31, 32, 33, 34, 35, 41, 42, 43, 47, 49 }; #if YYDEBUG /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in YYRHS. */ static const unsigned char yyprhs[] = { 0, 0, 3, 4, 7, 9, 11, 13, 15, 19, 22, 25, 28, 31, 36, 41, 42, 47, 48, 54, 55, 61, 62, 64, 68, 73, 77, 81, 82, 87, 91, 95, 99, 103, 107, 111, 115, 119, 123, 127, 131, 135, 139, 143, 147, 151, 153, 155, 157, 159, 161, 163, 165, 170, 172, 174, 176, 180, 184, 188, 190, 193, 195, 197, 199, 202, 204, 207, 210, 212, 214, 216, 218, 220 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const yysigned_char yyrhs[] = { 53, 0, -1, -1, 54, 55, -1, 57, -1, 56, -1, 68, -1, 58, -1, 57, 19, 58, -1, 58, 48, -1, 36, 58, -1, 38, 58, -1, 22, 58, -1, 42, 46, 58, 50, -1, 41, 46, 58, 50, -1, -1, 58, 44, 59, 6, -1, -1, 58, 45, 60, 57, 51, -1, -1, 58, 46, 61, 62, 50, -1, -1, 58, -1, 62, 19, 58, -1, 68, 46, 58, 50, -1, 46, 57, 50, -1, 58, 39, 58, -1, -1, 58, 40, 63, 58, -1, 58, 33, 58, -1, 58, 32, 58, -1, 58, 37, 58, -1, 58, 38, 58, -1, 58, 35, 58, -1, 58, 34, 58, -1, 58, 26, 58, -1, 58, 27, 58, -1, 58, 31, 58, -1, 58, 30, 58, -1, 58, 28, 58, -1, 58, 29, 58, -1, 58, 25, 58, -1, 58, 24, 58, -1, 58, 23, 58, -1, 58, 21, 58, -1, 17, -1, 18, -1, 3, -1, 9, -1, 4, -1, 65, -1, 15, -1, 12, 46, 68, 50, -1, 5, -1, 16, -1, 49, -1, 64, 13, 70, -1, 64, 13, 70, -1, 69, 13, 70, -1, 66, -1, 13, 70, -1, 71, -1, 69, -1, 67, -1, 48, 69, -1, 8, -1, 10, 70, -1, 11, 70, -1, 7, -1, 49, -1, 8, -1, 9, -1, 7, -1, 49, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const unsigned short yyrline[] = { 0, 235, 235, 235, 243, 244, 247, 254, 255, 260, 266, 272, 276, 280, 284, 288, 288, 303, 301, 331, 328, 343, 344, 346, 350, 365, 371, 375, 375, 395, 399, 403, 407, 411, 415, 419, 425, 431, 437, 443, 449, 455, 459, 463, 467, 471, 478, 485, 493, 505, 513, 516, 520, 528, 553, 580, 597, 607, 622, 637, 638, 666, 735, 746, 750, 752, 754, 757, 765, 766, 767, 768, 771, 772 }; #endif #if YYDEBUG || YYERROR_VERBOSE /* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { "$end", "error", "$undefined", "INT", "FLOAT", "STRING", "FIELDNAME", "NAME", "TYPENAME", "NAME_OR_INT", "STRUCT", "CLASS", "SIZEOF", "COLONCOLON", "ERROR", "VARIABLE", "THIS", "TRUEKEYWORD", "FALSEKEYWORD", "','", "ABOVE_COMMA", "ASSIGN", "NOT", "OR", "XOR", "ANDAND", "'='", "NOTEQUAL", "'<'", "'>'", "GEQ", "LEQ", "MOD", "DIV", "RSH", "LSH", "'@'", "'+'", "'-'", "'*'", "'/'", "DECREMENT", "INCREMENT", "UNARY", "'.'", "'['", "'('", "ARROW", "'^'", "BLOCKNAME", "')'", "']'", "$accept", "start", "@1", "normal_start", "type_exp", "exp1", "exp", "@2", "@3", "@4", "arglist", "@5", "block", "variable", "qualified_name", "ptype", "type", "typebase", "name", "name_not_typename", 0 }; #endif # ifdef YYPRINT /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to token YYLEX-NUM. */ static const unsigned short yytoknum[] = { 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 44, 274, 275, 276, 277, 278, 279, 61, 280, 60, 62, 281, 282, 283, 284, 285, 286, 64, 43, 45, 42, 47, 287, 288, 289, 46, 91, 40, 290, 94, 291, 41, 93 }; # endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const unsigned char yyr1[] = { 0, 52, 54, 53, 55, 55, 56, 57, 57, 58, 58, 58, 58, 58, 58, 59, 58, 60, 58, 61, 58, 62, 62, 62, 58, 58, 58, 63, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 64, 64, 65, 66, 65, 65, 65, 67, 68, 69, 69, 69, 69, 70, 70, 70, 70, 71, 71 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ static const unsigned char yyr2[] = { 0, 2, 0, 2, 1, 1, 1, 1, 3, 2, 2, 2, 2, 4, 4, 0, 4, 0, 5, 0, 5, 0, 1, 3, 4, 3, 3, 0, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 3, 3, 3, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 1, 1 }; /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state STATE-NUM when YYTABLE doesn't specify something else to do. Zero means the default is an error. */ static const unsigned char yydefact[] = { 2, 0, 0, 1, 47, 49, 53, 72, 65, 48, 0, 0, 0, 0, 51, 54, 45, 46, 0, 0, 0, 0, 0, 0, 0, 73, 3, 5, 4, 7, 0, 50, 59, 63, 6, 62, 61, 68, 70, 71, 69, 66, 67, 0, 60, 12, 0, 10, 11, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 27, 15, 17, 19, 9, 0, 0, 0, 0, 62, 0, 0, 25, 8, 44, 43, 42, 41, 35, 36, 39, 40, 38, 37, 30, 29, 34, 33, 31, 32, 26, 0, 0, 0, 21, 57, 0, 58, 52, 14, 13, 28, 16, 0, 22, 0, 24, 18, 0, 20, 23 }; /* YYDEFGOTO[NTERM-NUM]. */ static const yysigned_char yydefgoto[] = { -1, 1, 2, 26, 27, 28, 29, 103, 104, 105, 116, 102, 30, 31, 32, 33, 46, 35, 41, 36 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ #define YYPACT_NINF -40 static const short yypact[] = { -40, 6, 87, -40, -40, -40, -40, -40, -40, -40, 4, 4, -39, 4, -40, -40, -40, -40, 87, 87, 87, -37, -36, 87, 8, 2, -40, -40, -2, 200, 11, -40, -40, -40, -26, 15, -40, -40, -40, -40, -40, -40, -40, 8, -40, 32, -26, 32, 32, 87, 87, 7, -40, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, -40, -40, -40, -40, -40, 4, 87, 4, -29, -40, 116, 144, -40, 200, 200, 225, 249, 272, 293, 293, 310, 310, 310, 310, 27, 27, 27, 27, 67, 67, 32, 87, 17, 87, 87, 20, 172, -40, -40, -40, -40, 32, -40, 3, 200, 10, -40, -40, 87, -40, 200 }; /* YYPGOTO[NTERM-NUM]. */ static const yysigned_char yypgoto[] = { -40, -40, -40, -40, -40, -19, -18, -40, -40, -40, -40, -40, -40, -40, -40, -40, 12, -16, -8, -40 }; /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If positive, shift that token. If negative, reduce the rule which number is the opposite. If zero, do what YYDEFACT says. If YYTABLE_NINF, syntax error. */ #define YYTABLE_NINF -57 static const yysigned_char yytable[] = { 45, 47, 48, 42, 51, 44, 3, 43, 52, 49, 50, 37, 38, 39, 34, -55, 8, 53, 10, 11, 77, 109, 53, 113, 76, 0, 53, 80, 78, 119, 0, 81, 82, -56, 0, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 40, 118, 79, 24, 83, 0, 107, 120, 0, 0, 0, 68, 69, 70, 71, 106, 0, 108, 72, 73, 74, 0, 75, 72, 73, 74, 0, 75, 0, 0, 0, 112, 114, 0, 115, 0, 0, 4, 5, 6, 0, 7, 8, 9, 10, 11, 12, 13, 121, 14, 15, 16, 17, 70, 71, 0, 18, 0, 72, 73, 74, 0, 75, 0, 0, 0, 0, 0, 0, 0, 19, 0, 20, 0, 0, 21, 22, 0, 0, 0, 23, 0, 24, 25, 54, 0, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75, 54, 110, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75, 54, 111, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75, 54, 117, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75, 60, 61, 62, 63, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75, 64, 65, 66, 67, 0, 68, 69, 70, 71, 0, 0, 0, 72, 73, 74, 0, 75 }; static const yysigned_char yycheck[] = { 18, 19, 20, 11, 23, 13, 0, 46, 24, 46, 46, 7, 8, 9, 2, 13, 8, 19, 10, 11, 46, 50, 19, 6, 13, -1, 19, 43, 13, 19, -1, 49, 50, 13, -1, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 49, 51, 43, 48, 50, -1, 77, 50, -1, -1, -1, 37, 38, 39, 40, 76, -1, 78, 44, 45, 46, -1, 48, 44, 45, 46, -1, 48, -1, -1, -1, 102, 104, -1, 105, -1, -1, 3, 4, 5, -1, 7, 8, 9, 10, 11, 12, 13, 119, 15, 16, 17, 18, 39, 40, -1, 22, -1, 44, 45, 46, -1, 48, -1, -1, -1, -1, -1, -1, -1, 36, -1, 38, -1, -1, 41, 42, -1, -1, -1, 46, -1, 48, 49, 21, -1, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48, 21, 50, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48, 21, 50, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48, 21, 50, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48, 28, 29, 30, 31, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48, 32, 33, 34, 35, -1, 37, 38, 39, 40, -1, -1, -1, 44, 45, 46, -1, 48 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const unsigned char yystos[] = { 0, 53, 54, 0, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 22, 36, 38, 41, 42, 46, 48, 49, 55, 56, 57, 58, 64, 65, 66, 67, 68, 69, 71, 7, 8, 9, 49, 70, 70, 46, 70, 58, 68, 58, 58, 46, 46, 57, 69, 19, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 44, 45, 46, 48, 13, 46, 13, 68, 69, 58, 58, 50, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 63, 59, 60, 61, 70, 58, 70, 50, 50, 50, 58, 6, 57, 58, 62, 50, 51, 19, 50, 58 }; #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) # define YYSIZE_T __SIZE_TYPE__ #endif #if ! defined (YYSIZE_T) && defined (size_t) # define YYSIZE_T size_t #endif #if ! defined (YYSIZE_T) # if defined (__STDC__) || defined (__cplusplus) # include <stddef.h> /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # endif #endif #if ! defined (YYSIZE_T) # define YYSIZE_T unsigned int #endif #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) #define YYEMPTY (-2) #define YYEOF 0 #define YYACCEPT goto yyacceptlab #define YYABORT goto yyabortlab #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. Once GCC version 2 has supplanted version 1, this can go. */ #define YYFAIL goto yyerrlab #define YYRECOVERING() (!!yyerrstatus) #define YYBACKUP(Token, Value) \ do \ if (yychar == YYEMPTY && yylen == 1) \ { \ yychar = (Token); \ yylval = (Value); \ yytoken = YYTRANSLATE (yychar); \ YYPOPSTACK; \ goto yybackup; \ } \ else \ { \ yyerror ("syntax error: cannot back up");\ YYERROR; \ } \ while (0) #define YYTERROR 1 #define YYERRCODE 256 /* YYLLOC_DEFAULT -- Compute the default location (before the actions 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) #endif /* YYLEX -- calling `yylex' with the right arguments. */ #ifdef YYLEX_PARAM # define YYLEX yylex (YYLEX_PARAM) #else # define YYLEX yylex () #endif /* Enable debugging if requested. */ #if YYDEBUG # ifndef YYFPRINTF # include <stdio.h> /* INFRINGES ON USER NAME SPACE */ # define YYFPRINTF fprintf # endif # define YYDPRINTF(Args) \ 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); \ 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 #endif /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only if the built-in stack extension method is used). Do not make this value too large; the results are undefined if SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ #if defined (YYMAXDEPTH) && YYMAXDEPTH == 0 # undef YYMAXDEPTH #endif #ifndef YYMAXDEPTH # define YYMAXDEPTH 10000 #endif #if YYERROR_VERBOSE # ifndef yystrlen # if defined (__GLIBC__) && defined (_STRING_H) # define yystrlen strlen # else /* Return the length of YYSTR. */ static YYSIZE_T # if defined (__STDC__) || defined (__cplusplus) yystrlen (const char *yystr) # else yystrlen (yystr) const char *yystr; # endif { register const char *yys = yystr; while (*yys++ != '\0') continue; return yys - yystr - 1; } # endif # endif # ifndef yystpcpy # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) # define yystpcpy stpcpy # else /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in YYDEST. */ static char * # if defined (__STDC__) || defined (__cplusplus) yystpcpy (char *yydest, const char *yysrc) # else yystpcpy (yydest, yysrc) char *yydest; const char *yysrc; # endif { register char *yyd = yydest; register const char *yys = yysrc; while ((*yyd++ = *yys++) != '\0') continue; return yyd - 1; } # endif # endif #endif /* !YYERROR_VERBOSE */ #if YYDEBUG /*--------------------------------. | Print this symbol on YYOUTPUT. | `--------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) static void yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep) #else static void yysymprint (yyoutput, yytype, yyvaluep) FILE *yyoutput; int yytype; YYSTYPE *yyvaluep; #endif { /* Pacify ``unused variable'' warnings. */ (void) yyvaluep; 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) #else static void yydestruct (yytype, yyvaluep) int yytype; YYSTYPE *yyvaluep; #endif { /* Pacify ``unused variable'' warnings. */ (void) yyvaluep; switch (yytype) { default: break; } } /* Prevent warnings from -Wmissing-prototypes. */ #ifdef YYPARSE_PARAM # if defined (__STDC__) || defined (__cplusplus) int yyparse (void *YYPARSE_PARAM); # else int yyparse (); # endif #else /* ! YYPARSE_PARAM */ #if defined (__STDC__) || defined (__cplusplus) int yyparse (void); #else int yyparse (); #endif #endif /* ! YYPARSE_PARAM */ /* The lookahead symbol. */ int yychar; /* The semantic value of the lookahead symbol. */ YYSTYPE yylval; /* Number of syntax errors so far. */ int yynerrs; /*----------. | 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 () #endif #endif { register int yystate; register int yyn; int yyresult; /* Number of tokens to shift before error messages enabled. */ int yyerrstatus; /* Lookahead token as an internal (translated) token number. */ int yytoken = 0; /* Three stacks and their tools: `yyss': related to states, `yyvs': related to semantic values, `yyls': related to locations. Refer to the stacks thru separate pointers, to allow yyoverflow to xreallocate them elsewhere. */ /* The state stack. */ short yyssa[YYINITDEPTH]; short *yyss = yyssa; register short *yyssp; /* The semantic value stack. */ YYSTYPE yyvsa[YYINITDEPTH]; YYSTYPE *yyvs = yyvsa; register YYSTYPE *yyvsp; #define YYPOPSTACK (yyvsp--, yyssp--) YYSIZE_T yystacksize = YYINITDEPTH; /* The variables used to return semantic value and location from the action routines. */ YYSTYPE yyval; /* When reducing, the number of symbols on the RHS of the reduced rule. */ int yylen; YYDPRINTF ((stderr, "Starting parse\n")); yystate = 0; yyerrstatus = 0; yynerrs = 0; yychar = YYEMPTY; /* Cause a token to be read. */ /* Initialize stack pointers. Waste one element of value and location stack so that they stay on the same level as the state stack. The wasted elements are never initialized. */ yyssp = yyss; yyvsp = yyvs; goto yysetstate; /*------------------------------------------------------------. | yynewstate -- Push a new state, which is found in yystate. | `------------------------------------------------------------*/ yynewstate: /* In all cases, when you get here, the value and location stacks have just been pushed. so pushing a state here evens the stacks. */ yyssp++; yysetstate: *yyssp = yystate; if (yyss + yystacksize - 1 <= yyssp) { /* Get the current used size of the three stacks, in elements. */ YYSIZE_T yysize = yyssp - yyss + 1; #ifdef yyoverflow { /* Give user a chance to xreallocate the stack. Use copies of these so that the &'s don't force the real ones into memory. */ YYSTYPE *yyvs1 = yyvs; short *yyss1 = yyss; /* Each stack pointer address is followed by the size of the data in use in that stack, in bytes. This used to be a conditional around just the two extra args, but that might be undefined if yyoverflow is a macro. */ yyoverflow ("parser stack overflow", &yyss1, yysize * sizeof (*yyssp), &yyvs1, yysize * sizeof (*yyvsp), &yystacksize); yyss = yyss1; yyvs = yyvs1; } #else /* no yyoverflow */ # ifndef YYSTACK_RELOCATE goto yyoverflowlab; # else /* Extend the stack our own way. */ if (YYMAXDEPTH <= yystacksize) goto yyoverflowlab; yystacksize *= 2; if (YYMAXDEPTH < yystacksize) yystacksize = YYMAXDEPTH; { short *yyss1 = yyss; union yyalloc *yyptr = (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); if (! yyptr) goto yyoverflowlab; YYSTACK_RELOCATE (yyss); YYSTACK_RELOCATE (yyvs); # undef YYSTACK_RELOCATE if (yyss1 != yyssa) YYSTACK_FREE (yyss1); } # endif #endif /* no yyoverflow */ yyssp = yyss + yysize - 1; yyvsp = yyvs + yysize - 1; YYDPRINTF ((stderr, "Stack size increased to %lu\n", (unsigned long int) yystacksize)); if (yyss + yystacksize - 1 <= yyssp) YYABORT; } YYDPRINTF ((stderr, "Entering state %d\n", yystate)); goto yybackup; /*-----------. | yybackup. | `-----------*/ yybackup: /* Do appropriate processing given the current state. */ /* Read a lookahead token if we need one and don't already have one. */ /* yyresume: */ /* First try to decide what to do without reference to lookahead token. */ yyn = yypact[yystate]; 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 lookahead symbol. */ if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); yychar = YYLEX; } if (yychar <= YYEOF) { yychar = yytoken = YYEOF; YYDPRINTF ((stderr, "Now at end of input.\n")); } else { yytoken = YYTRANSLATE (yychar); YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc); } /* 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]; if (yyn <= 0) { if (yyn == 0 || yyn == YYTABLE_NINF) goto yyerrlab; yyn = -yyn; goto yyreduce; } if (yyn == YYFINAL) YYACCEPT; /* Shift the lookahead token. */ YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken])); /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) yychar = YYEMPTY; *++yyvsp = yylval; /* Count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; yystate = yyn; goto yynewstate; /*-----------------------------------------------------------. | yydefault -- do the default action for the current state. | `-----------------------------------------------------------*/ yydefault: yyn = yydefact[yystate]; if (yyn == 0) goto yyerrlab; goto yyreduce; /*-----------------------------. | yyreduce -- Do a reduction. | `-----------------------------*/ yyreduce: /* yyn is the number of a rule to reduce with. */ yylen = yyr2[yyn]; /* If YYLEN is nonzero, implement the default value of the action: `$$ = $1'. 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]; YY_REDUCE_PRINT (yyn); switch (yyn) { case 2: #line 235 "p-exp.y" { current_type = NULL; search_field = 0; leftdiv_is_integer = 0; } break; case 3: #line 239 "p-exp.y" {} break; case 6: #line 248 "p-exp.y" { write_exp_elt_opcode(OP_TYPE); write_exp_elt_type(yyvsp[0].tval); write_exp_elt_opcode(OP_TYPE); current_type = yyvsp[0].tval; } break; case 8: #line 256 "p-exp.y" { write_exp_elt_opcode (BINOP_COMMA); } break; case 9: #line 261 "p-exp.y" { write_exp_elt_opcode (UNOP_IND); if (current_type) current_type = TYPE_TARGET_TYPE (current_type); } break; case 10: #line 267 "p-exp.y" { write_exp_elt_opcode (UNOP_ADDR); if (current_type) current_type = TYPE_POINTER_TYPE (current_type); } break; case 11: #line 273 "p-exp.y" { write_exp_elt_opcode (UNOP_NEG); } break; case 12: #line 277 "p-exp.y" { write_exp_elt_opcode (UNOP_LOGICAL_NOT); } break; case 13: #line 281 "p-exp.y" { write_exp_elt_opcode (UNOP_PREINCREMENT); } break; case 14: #line 285 "p-exp.y" { write_exp_elt_opcode (UNOP_PREDECREMENT); } break; case 15: #line 288 "p-exp.y" { search_field = 1; } break; case 16: #line 291 "p-exp.y" { write_exp_elt_opcode (STRUCTOP_STRUCT); write_exp_string (yyvsp[0].sval); write_exp_elt_opcode (STRUCTOP_STRUCT); search_field = 0; if (current_type) { while (TYPE_CODE (current_type) == TYPE_CODE_PTR) current_type = TYPE_TARGET_TYPE (current_type); current_type = lookup_struct_elt_type ( current_type, yyvsp[0].sval.ptr, 0); }; } break; case 17: #line 303 "p-exp.y" { char *arrayname; int arrayfieldindex; arrayfieldindex = is_pascal_string_type ( current_type, NULL, NULL, NULL, NULL, &arrayname); if (arrayfieldindex) { struct stoken stringsval; stringsval.ptr = alloca (strlen (arrayname) + 1); stringsval.length = strlen (arrayname); strcpy (stringsval.ptr, arrayname); current_type = TYPE_FIELD_TYPE (current_type, arrayfieldindex - 1); write_exp_elt_opcode (STRUCTOP_STRUCT); write_exp_string (stringsval); write_exp_elt_opcode (STRUCTOP_STRUCT); } push_current_type (); } break; case 18: #line 322 "p-exp.y" { pop_current_type (); write_exp_elt_opcode (BINOP_SUBSCRIPT); if (current_type) current_type = TYPE_TARGET_TYPE (current_type); } break; case 19: #line 331 "p-exp.y" { push_current_type (); start_arglist (); } break; case 20: #line 334 "p-exp.y" { write_exp_elt_opcode (OP_FUNCALL); write_exp_elt_longcst ((LONGEST) end_arglist ()); write_exp_elt_opcode (OP_FUNCALL); pop_current_type (); if (current_type) current_type = TYPE_TARGET_TYPE (current_type); } break; case 22: #line 345 "p-exp.y" { arglist_len = 1; } break; case 23: #line 347 "p-exp.y" { arglist_len++; } break; case 24: #line 351 "p-exp.y" { if (current_type) { /* Allow automatic dereference of classes. */ if ((TYPE_CODE (current_type) == TYPE_CODE_PTR) && (TYPE_CODE (TYPE_TARGET_TYPE (current_type)) == TYPE_CODE_CLASS) && (TYPE_CODE (yyvsp[-3].tval) == TYPE_CODE_CLASS)) write_exp_elt_opcode (UNOP_IND); } write_exp_elt_opcode (UNOP_CAST); write_exp_elt_type (yyvsp[-3].tval); write_exp_elt_opcode (UNOP_CAST); current_type = yyvsp[-3].tval; } break; case 25: #line 366 "p-exp.y" { } break; case 26: #line 372 "p-exp.y" { write_exp_elt_opcode (BINOP_MUL); } break; case 27: #line 375 "p-exp.y" { if (current_type && is_integral_type (current_type)) leftdiv_is_integer = 1; } break; case 28: #line 380 "p-exp.y" { if (leftdiv_is_integer && current_type && is_integral_type (current_type)) { write_exp_elt_opcode (UNOP_CAST); write_exp_elt_type (parse_type->builtin_long_double); current_type = parse_type->builtin_long_double; write_exp_elt_opcode (UNOP_CAST); leftdiv_is_integer = 0; } write_exp_elt_opcode (BINOP_DIV); } break; case 29: #line 396 "p-exp.y" { write_exp_elt_opcode (BINOP_INTDIV); } break; case 30: #line 400 "p-exp.y" { write_exp_elt_opcode (BINOP_REM); } break; case 31: #line 404 "p-exp.y" { write_exp_elt_opcode (BINOP_ADD); } break; case 32: #line 408 "p-exp.y" { write_exp_elt_opcode (BINOP_SUB); } break; case 33: #line 412 "p-exp.y" { write_exp_elt_opcode (BINOP_LSH); } break; case 34: #line 416 "p-exp.y" { write_exp_elt_opcode (BINOP_RSH); } break; case 35: #line 420 "p-exp.y" { write_exp_elt_opcode (BINOP_EQUAL); current_type = parse_type->builtin_bool; } break; case 36: #line 426 "p-exp.y" { write_exp_elt_opcode (BINOP_NOTEQUAL); current_type = parse_type->builtin_bool; } break; case 37: #line 432 "p-exp.y" { write_exp_elt_opcode (BINOP_LEQ); current_type = parse_type->builtin_bool; } break; case 38: #line 438 "p-exp.y" { write_exp_elt_opcode (BINOP_GEQ); current_type = parse_type->builtin_bool; } break; case 39: #line 444 "p-exp.y" { write_exp_elt_opcode (BINOP_LESS); current_type = parse_type->builtin_bool; } break; case 40: #line 450 "p-exp.y" { write_exp_elt_opcode (BINOP_GTR); current_type = parse_type->builtin_bool; } break; case 41: #line 456 "p-exp.y" { write_exp_elt_opcode (BINOP_BITWISE_AND); } break; case 42: #line 460 "p-exp.y" { write_exp_elt_opcode (BINOP_BITWISE_XOR); } break; case 43: #line 464 "p-exp.y" { write_exp_elt_opcode (BINOP_BITWISE_IOR); } break; case 44: #line 468 "p-exp.y" { write_exp_elt_opcode (BINOP_ASSIGN); } break; case 45: #line 472 "p-exp.y" { write_exp_elt_opcode (OP_BOOL); write_exp_elt_longcst ((LONGEST) yyvsp[0].lval); current_type = parse_type->builtin_bool; write_exp_elt_opcode (OP_BOOL); } break; case 46: #line 479 "p-exp.y" { write_exp_elt_opcode (OP_BOOL); write_exp_elt_longcst ((LONGEST) yyvsp[0].lval); current_type = parse_type->builtin_bool; write_exp_elt_opcode (OP_BOOL); } break; case 47: #line 486 "p-exp.y" { write_exp_elt_opcode (OP_LONG); write_exp_elt_type (yyvsp[0].typed_val_int.type); current_type = yyvsp[0].typed_val_int.type; write_exp_elt_longcst ((LONGEST)(yyvsp[0].typed_val_int.val)); write_exp_elt_opcode (OP_LONG); } break; case 48: #line 494 "p-exp.y" { YYSTYPE val; parse_number (yyvsp[0].ssym.stoken.ptr, yyvsp[0].ssym.stoken.length, 0, &val); write_exp_elt_opcode (OP_LONG); write_exp_elt_type (val.typed_val_int.type); current_type = val.typed_val_int.type; write_exp_elt_longcst ((LONGEST)val.typed_val_int.val); write_exp_elt_opcode (OP_LONG); } break; case 49: #line 506 "p-exp.y" { write_exp_elt_opcode (OP_DOUBLE); write_exp_elt_type (yyvsp[0].typed_val_float.type); current_type = yyvsp[0].typed_val_float.type; write_exp_elt_dblcst (yyvsp[0].typed_val_float.dval); write_exp_elt_opcode (OP_DOUBLE); } break; case 52: #line 521 "p-exp.y" { write_exp_elt_opcode (OP_LONG); write_exp_elt_type (parse_type->builtin_int); CHECK_TYPEDEF (yyvsp[-1].tval); write_exp_elt_longcst ((LONGEST) TYPE_LENGTH (yyvsp[-1].tval)); write_exp_elt_opcode (OP_LONG); } break; case 53: #line 529 "p-exp.y" { /* C strings are converted into array constants with an explicit null byte added at the end. Thus the array upper bound is the string length. There is no such thing in C as a completely empty string. */ char *sp = yyvsp[0].sval.ptr; int count = yyvsp[0].sval.length; while (count-- > 0) { write_exp_elt_opcode (OP_LONG); write_exp_elt_type (parse_type->builtin_char); write_exp_elt_longcst ((LONGEST)(*sp++)); write_exp_elt_opcode (OP_LONG); } write_exp_elt_opcode (OP_LONG); write_exp_elt_type (parse_type->builtin_char); write_exp_elt_longcst ((LONGEST)'\0'); write_exp_elt_opcode (OP_LONG); write_exp_elt_opcode (OP_ARRAY); write_exp_elt_longcst ((LONGEST) 0); write_exp_elt_longcst ((LONGEST) (yyvsp[0].sval.length)); write_exp_elt_opcode (OP_ARRAY); } break; case 54: #line 554 "p-exp.y" { struct value * this_val; struct type * this_type; write_exp_elt_opcode (OP_THIS); write_exp_elt_opcode (OP_THIS); /* we need type of this */ this_val = value_of_this (0); if (this_val) this_type = value_type (this_val); else this_type = NULL; if (this_type) { if (TYPE_CODE (this_type) == TYPE_CODE_PTR) { this_type = TYPE_TARGET_TYPE (this_type); write_exp_elt_opcode (UNOP_IND); } } current_type = this_type; } break; case 55: #line 581 "p-exp.y" { if (yyvsp[0].ssym.sym != 0) yyval.bval = SYMBOL_BLOCK_VALUE (yyvsp[0].ssym.sym); else { struct symtab *tem = lookup_symtab (copy_name (yyvsp[0].ssym.stoken)); if (tem) yyval.bval = BLOCKVECTOR_BLOCK (BLOCKVECTOR (tem), STATIC_BLOCK); else error ("No file or function \"%s\".", copy_name (yyvsp[0].ssym.stoken)); } } break; case 56: #line 598 "p-exp.y" { struct symbol *tem = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval, VAR_DOMAIN, (int *) NULL); if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK) error ("No function \"%s\" in specified context.", copy_name (yyvsp[0].sval)); yyval.bval = SYMBOL_BLOCK_VALUE (tem); } break; case 57: #line 608 "p-exp.y" { struct symbol *sym; sym = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval, VAR_DOMAIN, (int *) NULL); if (sym == 0) error ("No symbol \"%s\" in specified context.", copy_name (yyvsp[0].sval)); write_exp_elt_opcode (OP_VAR_VALUE); /* block_found is set by lookup_symbol. */ write_exp_elt_block (block_found); write_exp_elt_sym (sym); write_exp_elt_opcode (OP_VAR_VALUE); } break; case 58: #line 623 "p-exp.y" { struct type *type = yyvsp[-2].tval; if (TYPE_CODE (type) != TYPE_CODE_STRUCT && TYPE_CODE (type) != TYPE_CODE_UNION) error ("`%s' is not defined as an aggregate type.", TYPE_NAME (type)); write_exp_elt_opcode (OP_SCOPE); write_exp_elt_type (type); write_exp_string (yyvsp[0].sval); write_exp_elt_opcode (OP_SCOPE); } break; case 60: #line 639 "p-exp.y" { char *name = copy_name (yyvsp[0].sval); struct symbol *sym; struct minimal_symbol *msymbol; sym = lookup_symbol (name, (const struct block *) NULL, VAR_DOMAIN, (int *) NULL); if (sym) { write_exp_elt_opcode (OP_VAR_VALUE); write_exp_elt_block (NULL); write_exp_elt_sym (sym); write_exp_elt_opcode (OP_VAR_VALUE); break; } msymbol = lookup_minimal_symbol (name, NULL, NULL); if (msymbol != NULL) write_exp_msymbol (msymbol); else if (!have_full_symbols () && !have_partial_symbols ()) error ("No symbol table is loaded. Use the \"file\" command."); else error ("No symbol \"%s\" in current context.", name); } break; case 61: #line 667 "p-exp.y" { struct symbol *sym = yyvsp[0].ssym.sym; if (sym) { if (symbol_read_needs_frame (sym)) { if (innermost_block == 0 || contained_in (block_found, innermost_block)) innermost_block = block_found; } write_exp_elt_opcode (OP_VAR_VALUE); /* We want to use the selected frame, not another more inner frame which happens to be in the same block. */ write_exp_elt_block (NULL); write_exp_elt_sym (sym); write_exp_elt_opcode (OP_VAR_VALUE); current_type = sym->type; } else if (yyvsp[0].ssym.is_a_field_of_this) { struct value * this_val; struct type * this_type; /* Object pascal: it hangs off of `this'. Must not inadvertently convert from a method call to data ref. */ if (innermost_block == 0 || contained_in (block_found, innermost_block)) innermost_block = block_found; write_exp_elt_opcode (OP_THIS); write_exp_elt_opcode (OP_THIS); write_exp_elt_opcode (STRUCTOP_PTR); write_exp_string (yyvsp[0].ssym.stoken); write_exp_elt_opcode (STRUCTOP_PTR); /* we need type of this */ this_val = value_of_this (0); if (this_val) this_type = value_type (this_val); else this_type = NULL; if (this_type) current_type = lookup_struct_elt_type ( this_type, copy_name (yyvsp[0].ssym.stoken), 0); else current_type = NULL; } else { struct minimal_symbol *msymbol; char *arg = copy_name (yyvsp[0].ssym.stoken); msymbol = lookup_minimal_symbol (arg, NULL, NULL); if (msymbol != NULL) write_exp_msymbol (msymbol); else if (!have_full_symbols () && !have_partial_symbols ()) error ("No symbol table is loaded. Use the \"file\" command."); else error ("No symbol \"%s\" in current context.", copy_name (yyvsp[0].ssym.stoken)); } } break; case 64: #line 751 "p-exp.y" { yyval.tval = lookup_pointer_type (yyvsp[0].tval); } break; case 65: #line 753 "p-exp.y" { yyval.tval = yyvsp[0].tsym.type; } break; case 66: #line 755 "p-exp.y" { yyval.tval = lookup_struct (copy_name (yyvsp[0].sval), expression_context_block); } break; case 67: #line 758 "p-exp.y" { yyval.tval = lookup_struct (copy_name (yyvsp[0].sval), expression_context_block); } break; case 68: #line 765 "p-exp.y" { yyval.sval = yyvsp[0].ssym.stoken; } break; case 69: #line 766 "p-exp.y" { yyval.sval = yyvsp[0].ssym.stoken; } break; case 70: #line 767 "p-exp.y" { yyval.sval = yyvsp[0].tsym.stoken; } break; case 71: #line 768 "p-exp.y" { yyval.sval = yyvsp[0].ssym.stoken; } break; } /* Line 1000 of yacc.c. */ #line 1905 "p-exp.c.tmp" yyvsp -= yylen; yyssp -= yylen; YY_STACK_PRINT (yyss, yyssp); *++yyvsp = yyval; /* Now `shift' the result of the reduction. Determine what state that goes to, based on the state we popped back to and the rule number reduced by. */ yyn = yyr1[yyn]; yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTOKENS]; goto yynewstate; /*------------------------------------. | yyerrlab -- here on detecting error | `------------------------------------*/ yyerrlab: /* If not already recovering from an error, report this error. */ if (!yyerrstatus) { ++yynerrs; #if YYERROR_VERBOSE yyn = yypact[yystate]; if (YYPACT_NINF < yyn && yyn < YYLAST) { YYSIZE_T yysize = 0; int yytype = YYTRANSLATE (yychar); const char* yyprefix; char *yymsg; int yyx; /* Start YYX at -YYN if negative to avoid negative indexes in YYCHECK. */ 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, "syntax error, unexpected "); yyp = yystpcpy (yyp, yytname[yytype]); if (yycount < 5) { yyprefix = ", expecting "; for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) { yyp = yystpcpy (yyp, yyprefix); yyp = yystpcpy (yyp, yytname[yyx]); yyprefix = " or "; } } yyerror (yymsg); YYSTACK_FREE (yymsg); } else yyerror ("syntax error; also virtual memory exhausted"); } else #endif /* YYERROR_VERBOSE */ yyerror ("syntax error"); } if (yyerrstatus == 3) { /* If just tried and failed to reuse lookahead token after an error, discard it. */ if (yychar <= YYEOF) { /* 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); } } else { YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); yydestruct (yytoken, &yylval); yychar = YYEMPTY; } } /* 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; 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 != YYPACT_NINF) { yyn += YYTERROR; if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) { yyn = yytable[yyn]; if (0 < yyn) break; } } /* Pop the current state because it cannot handle the error token. */ if (yyssp == yyss) YYABORT; YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); yydestruct (yystos[yystate], yyvsp); YYPOPSTACK; yystate = *yyssp; YY_STACK_PRINT (yyss, yyssp); } if (yyn == YYFINAL) YYACCEPT; YYDPRINTF ((stderr, "Shifting error token, ")); *++yyvsp = yylval; yystate = yyn; goto yynewstate; /*-------------------------------------. | yyacceptlab -- YYACCEPT comes here. | `-------------------------------------*/ yyacceptlab: yyresult = 0; goto yyreturn; /*-----------------------------------. | yyabortlab -- YYABORT comes here. | `-----------------------------------*/ yyabortlab: yyresult = 1; goto yyreturn; #ifndef yyoverflow /*----------------------------------------------. | yyoverflowlab -- parser overflow comes here. | `----------------------------------------------*/ yyoverflowlab: yyerror ("parser stack overflow"); yyresult = 2; /* Fall through. */ #endif yyreturn: #ifndef yyoverflow if (yyss != yyssa) YYSTACK_FREE (yyss); #endif return yyresult; } #line 782 "p-exp.y" /* Take care of parsing a number (anything that starts with a digit). Set yylval and return the token type; update lexptr. LEN is the number of characters in it. */ /*** Needs some error checking for the float case ***/ static int parse_number (p, len, parsed_float, putithere) char *p; int len; int parsed_float; YYSTYPE *putithere; { /* FIXME: Shouldn't these be unsigned? We don't deal with negative values here, and we do kind of silly things like cast to unsigned. */ LONGEST n = 0; LONGEST prevn = 0; ULONGEST un; int i = 0; int c; int base = input_radix; int unsigned_p = 0; /* Number of "L" suffixes encountered. */ int long_p = 0; /* We have found a "L" or "U" suffix. */ int found_suffix = 0; ULONGEST high_bit; struct type *signed_type; struct type *unsigned_type; if (parsed_float) { /* It's a float since it contains a point or an exponent. */ char c; int num = 0; /* number of tokens scanned by scanf */ char saved_char = p[len]; p[len] = 0; /* null-terminate the token */ num = sscanf (p, "%" DOUBLEST_SCAN_FORMAT "%c", &putithere->typed_val_float.dval, &c); p[len] = saved_char; /* restore the input stream */ if (num != 1) /* check scanf found ONLY a float ... */ return ERROR; /* See if it has `f' or `l' suffix (float or long double). */ c = tolower (p[len - 1]); if (c == 'f') putithere->typed_val_float.type = parse_type->builtin_float; else if (c == 'l') putithere->typed_val_float.type = parse_type->builtin_long_double; else if (isdigit (c) || c == '.') putithere->typed_val_float.type = parse_type->builtin_double; else return ERROR; return FLOAT; } /* Handle base-switching prefixes 0x, 0t, 0d, 0 */ if (p[0] == '0') switch (p[1]) { case 'x': case 'X': if (len >= 3) { p += 2; base = 16; len -= 2; } break; case 't': case 'T': case 'd': case 'D': if (len >= 3) { p += 2; base = 10; len -= 2; } break; default: base = 8; break; } while (len-- > 0) { c = *p++; if (c >= 'A' && c <= 'Z') c += 'a' - 'A'; if (c != 'l' && c != 'u') n *= base; if (c >= '0' && c <= '9') { if (found_suffix) return ERROR; n += i = c - '0'; } else { if (base > 10 && c >= 'a' && c <= 'f') { if (found_suffix) return ERROR; n += i = c - 'a' + 10; } else if (c == 'l') { ++long_p; found_suffix = 1; } else if (c == 'u') { unsigned_p = 1; found_suffix = 1; } else return ERROR; /* Char not a digit */ } if (i >= base) return ERROR; /* Invalid digit in this base */ /* Portably test for overflow (only works for nonzero values, so make a second check for zero). FIXME: Can't we just make n and prevn unsigned and avoid this? */ if (c != 'l' && c != 'u' && (prevn >= n) && n != 0) unsigned_p = 1; /* Try something unsigned */ /* Portably test for unsigned overflow. FIXME: This check is wrong; for example it doesn't find overflow on 0x123456789 when LONGEST is 32 bits. */ if (c != 'l' && c != 'u' && n != 0) { if ((unsigned_p && (ULONGEST) prevn >= (ULONGEST) n)) error ("Numeric constant too large."); } prevn = n; } /* An integer constant is an int, a long, or a long long. An L suffix forces it to be long; an LL suffix forces it to be long long. If not forced to a larger size, it gets the first type of the above that it fits in. To figure out whether it fits, we shift it right and see whether anything remains. Note that we can't shift sizeof (LONGEST) * HOST_CHAR_BIT bits or more in one operation, because many compilers will warn about such a shift (which always produces a zero result). Sometimes gdbarch_int_bit or gdbarch_long_bit will be that big, sometimes not. To deal with the case where it is we just always shift the value more than once, with fewer bits each time. */ un = (ULONGEST)n >> 2; if (long_p == 0 && (un >> (gdbarch_int_bit (parse_gdbarch) - 2)) == 0) { high_bit = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch) - 1); /* A large decimal (not hex or octal) constant (between INT_MAX and UINT_MAX) is a long or unsigned long, according to ANSI, never an unsigned int, but this code treats it as unsigned int. This probably should be fixed. GCC gives a warning on such constants. */ unsigned_type = parse_type->builtin_unsigned_int; signed_type = parse_type->builtin_int; } else if (long_p <= 1 && (un >> (gdbarch_long_bit (parse_gdbarch) - 2)) == 0) { high_bit = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch) - 1); unsigned_type = parse_type->builtin_unsigned_long; signed_type = parse_type->builtin_long; } else { int shift; if (sizeof (ULONGEST) * HOST_CHAR_BIT < gdbarch_long_long_bit (parse_gdbarch)) /* A long long does not fit in a LONGEST. */ shift = (sizeof (ULONGEST) * HOST_CHAR_BIT - 1); else shift = (gdbarch_long_long_bit (parse_gdbarch) - 1); high_bit = (ULONGEST) 1 << shift; unsigned_type = parse_type->builtin_unsigned_long_long; signed_type = parse_type->builtin_long_long; } putithere->typed_val_int.val = n; /* If the high bit of the worked out type is set then this number has to be unsigned. */ if (unsigned_p || (n & high_bit)) { putithere->typed_val_int.type = unsigned_type; } else { putithere->typed_val_int.type = signed_type; } return INT; } struct type_push { struct type *stored; struct type_push *next; }; static struct type_push *tp_top = NULL; static void push_current_type (void) { struct type_push *tpnew; tpnew = (struct type_push *) xmalloc (sizeof (struct type_push)); tpnew->next = tp_top; tpnew->stored = current_type; current_type = NULL; tp_top = tpnew; } static void pop_current_type (void) { struct type_push *tp = tp_top; if (tp) { current_type = tp->stored; tp_top = tp->next; xfree (tp); } } struct token { char *operator; int token; enum exp_opcode opcode; }; static const struct token tokentab3[] = { {"shr", RSH, BINOP_END}, {"shl", LSH, BINOP_END}, {"and", ANDAND, BINOP_END}, {"div", DIV, BINOP_END}, {"not", NOT, BINOP_END}, {"mod", MOD, BINOP_END}, {"inc", INCREMENT, BINOP_END}, {"dec", DECREMENT, BINOP_END}, {"xor", XOR, BINOP_END} }; static const struct token tokentab2[] = { {"or", OR, BINOP_END}, {"<>", NOTEQUAL, BINOP_END}, {"<=", LEQ, BINOP_END}, {">=", GEQ, BINOP_END}, {":=", ASSIGN, BINOP_END}, {"::", COLONCOLON, BINOP_END} }; /* Allocate uppercased var */ /* make an uppercased copy of tokstart */ static char * uptok (tokstart, namelen) char *tokstart; int namelen; { int i; char *uptokstart = (char *)xmalloc(namelen+1); for (i = 0;i <= namelen;i++) { if ((tokstart[i]>='a' && tokstart[i]<='z')) uptokstart[i] = tokstart[i]-('a'-'A'); else uptokstart[i] = tokstart[i]; } uptokstart[namelen]='\0'; return uptokstart; } /* Read one token, getting characters through lexptr. */ static int yylex () { int c; int namelen; unsigned int i; char *tokstart; char *uptokstart; char *tokptr; char *p; int explen, tempbufindex; static char *tempbuf; static int tempbufsize; retry: prev_lexptr = lexptr; tokstart = lexptr; explen = strlen (lexptr); /* See if it is a special token of length 3. */ if (explen > 2) for (i = 0; i < sizeof (tokentab3) / sizeof (tokentab3[0]); i++) if (strncasecmp (tokstart, tokentab3[i].operator, 3) == 0 && (!isalpha (tokentab3[i].operator[0]) || explen == 3 || (!isalpha (tokstart[3]) && !isdigit (tokstart[3]) && tokstart[3] != '_'))) { lexptr += 3; yylval.opcode = tokentab3[i].opcode; return tokentab3[i].token; } /* See if it is a special token of length 2. */ if (explen > 1) for (i = 0; i < sizeof (tokentab2) / sizeof (tokentab2[0]); i++) if (strncasecmp (tokstart, tokentab2[i].operator, 2) == 0 && (!isalpha (tokentab2[i].operator[0]) || explen == 2 || (!isalpha (tokstart[2]) && !isdigit (tokstart[2]) && tokstart[2] != '_'))) { lexptr += 2; yylval.opcode = tokentab2[i].opcode; return tokentab2[i].token; } switch (c = *tokstart) { case 0: return 0; case ' ': case '\t': case '\n': lexptr++; goto retry; case '\'': /* We either have a character constant ('0' or '\177' for example) or we have a quoted symbol reference ('foo(int,int)' in object pascal for example). */ lexptr++; c = *lexptr++; if (c == '\\') c = parse_escape (&lexptr); else if (c == '\'') error ("Empty character constant."); yylval.typed_val_int.val = c; yylval.typed_val_int.type = parse_type->builtin_char; c = *lexptr++; if (c != '\'') { namelen = skip_quoted (tokstart) - tokstart; if (namelen > 2) { lexptr = tokstart + namelen; if (lexptr[-1] != '\'') error ("Unmatched single quote."); namelen -= 2; tokstart++; uptokstart = uptok(tokstart,namelen); goto tryname; } error ("Invalid character constant."); } return INT; case '(': paren_depth++; lexptr++; return c; case ')': if (paren_depth == 0) return 0; paren_depth--; lexptr++; return c; case ',': if (comma_terminates && paren_depth == 0) return 0; lexptr++; return c; case '.': /* Might be a floating point number. */ if (lexptr[1] < '0' || lexptr[1] > '9') goto symbol; /* Nope, must be a symbol. */ /* FALL THRU into number case. */ case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': { /* It's a number. */ int got_dot = 0, got_e = 0, toktype; char *p = tokstart; int hex = input_radix > 10; if (c == '0' && (p[1] == 'x' || p[1] == 'X')) { p += 2; hex = 1; } else if (c == '0' && (p[1]=='t' || p[1]=='T' || p[1]=='d' || p[1]=='D')) { p += 2; hex = 0; } for (;; ++p) { /* This test includes !hex because 'e' is a valid hex digit and thus does not indicate a floating point number when the radix is hex. */ if (!hex && !got_e && (*p == 'e' || *p == 'E')) got_dot = got_e = 1; /* This test does not include !hex, because a '.' always indicates a decimal floating point number regardless of the radix. */ else if (!got_dot && *p == '.') got_dot = 1; else if (got_e && (p[-1] == 'e' || p[-1] == 'E') && (*p == '-' || *p == '+')) /* This is the sign of the exponent, not the end of the number. */ continue; /* We will take any letters or digits. parse_number will complain if past the radix, or if L or U are not final. */ else if ((*p < '0' || *p > '9') && ((*p < 'a' || *p > 'z') && (*p < 'A' || *p > 'Z'))) break; } toktype = parse_number (tokstart, p - tokstart, got_dot|got_e, &yylval); if (toktype == ERROR) { char *err_copy = (char *) alloca (p - tokstart + 1); memcpy (err_copy, tokstart, p - tokstart); err_copy[p - tokstart] = 0; error ("Invalid number \"%s\".", err_copy); } lexptr = p; return toktype; } case '+': case '-': case '*': case '/': case '|': case '&': case '^': case '~': case '!': case '@': case '<': case '>': case '[': case ']': case '?': case ':': case '=': case '{': case '}': symbol: lexptr++; return c; case '"': /* Build the gdb internal form of the input string in tempbuf, translating any standard C escape forms seen. Note that the buffer is null byte terminated *only* for the convenience of debugging gdb itself and printing the buffer contents when the buffer contains no embedded nulls. Gdb does not depend upon the buffer being null byte terminated, it uses the length string instead. This allows gdb to handle C strings (as well as strings in other languages) with embedded null bytes */ tokptr = ++tokstart; tempbufindex = 0; do { /* Grow the static temp buffer if necessary, including allocating the first one on demand. */ if (tempbufindex + 1 >= tempbufsize) { tempbuf = (char *) xrealloc (tempbuf, tempbufsize += 64); } switch (*tokptr) { case '\0': case '"': /* Do nothing, loop will terminate. */ break; case '\\': tokptr++; c = parse_escape (&tokptr); if (c == -1) { continue; } tempbuf[tempbufindex++] = c; break; default: tempbuf[tempbufindex++] = *tokptr++; break; } } while ((*tokptr != '"') && (*tokptr != '\0')); if (*tokptr++ != '"') { error ("Unterminated string in expression."); } tempbuf[tempbufindex] = '\0'; /* See note above */ yylval.sval.ptr = tempbuf; yylval.sval.length = tempbufindex; lexptr = tokptr; return (STRING); } if (!(c == '_' || c == '$' || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))) /* We must have come across a bad character (e.g. ';'). */ error ("Invalid character '%c' in expression.", c); /* It's a name. See how long it is. */ namelen = 0; for (c = tokstart[namelen]; (c == '_' || c == '$' || (c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '<');) { /* Template parameter lists are part of the name. FIXME: This mishandles `print $a<4&&$a>3'. */ if (c == '<') { int i = namelen; int nesting_level = 1; while (tokstart[++i]) { if (tokstart[i] == '<') nesting_level++; else if (tokstart[i] == '>') { if (--nesting_level == 0) break; } } if (tokstart[i] == '>') namelen = i; else break; } /* do NOT uppercase internals because of registers !!! */ c = tokstart[++namelen]; } uptokstart = uptok(tokstart,namelen); /* The token "if" terminates the expression and is NOT removed from the input stream. */ if (namelen == 2 && uptokstart[0] == 'I' && uptokstart[1] == 'F') { xfree (uptokstart); return 0; } lexptr += namelen; tryname: /* Catch specific keywords. Should be done with a data structure. */ switch (namelen) { case 6: if (strcmp (uptokstart, "OBJECT") == 0) { xfree (uptokstart); return CLASS; } if (strcmp (uptokstart, "RECORD") == 0) { xfree (uptokstart); return STRUCT; } if (strcmp (uptokstart, "SIZEOF") == 0) { xfree (uptokstart); return SIZEOF; } break; case 5: if (strcmp (uptokstart, "CLASS") == 0) { xfree (uptokstart); return CLASS; } if (strcmp (uptokstart, "FALSE") == 0) { yylval.lval = 0; xfree (uptokstart); return FALSEKEYWORD; } break; case 4: if (strcmp (uptokstart, "TRUE") == 0) { yylval.lval = 1; xfree (uptokstart); return TRUEKEYWORD; } if (strcmp (uptokstart, "SELF") == 0) { /* here we search for 'this' like inserted in FPC stabs debug info */ static const char this_name[] = "this"; if (lookup_symbol (this_name, expression_context_block, VAR_DOMAIN, (int *) NULL)) { xfree (uptokstart); return THIS; } } break; default: break; } yylval.sval.ptr = tokstart; yylval.sval.length = namelen; if (*tokstart == '$') { /* $ is the normal prefix for pascal hexadecimal values but this conflicts with the GDB use for debugger variables so in expression to enter hexadecimal values we still need to use C syntax with 0xff */ write_dollar_variable (yylval.sval); xfree (uptokstart); return VARIABLE; } /* Use token-type BLOCKNAME for symbols that happen to be defined as functions or symtabs. If this is not so, then ... Use token-type TYPENAME for symbols that happen to be defined currently as names of types; NAME for other symbols. The caller is not constrained to care about the distinction. */ { char *tmp = copy_name (yylval.sval); struct symbol *sym; int is_a_field_of_this = 0; int is_a_field = 0; int hextype; if (search_field && current_type) is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL); if (is_a_field) sym = NULL; else sym = lookup_symbol (tmp, expression_context_block, VAR_DOMAIN, &is_a_field_of_this); /* second chance uppercased (as Free Pascal does). */ if (!sym && !is_a_field_of_this && !is_a_field) { for (i = 0; i <= namelen; i++) { if ((tmp[i] >= 'a' && tmp[i] <= 'z')) tmp[i] -= ('a'-'A'); } if (search_field && current_type) is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL); if (is_a_field) sym = NULL; else sym = lookup_symbol (tmp, expression_context_block, VAR_DOMAIN, &is_a_field_of_this); if (sym || is_a_field_of_this || is_a_field) for (i = 0; i <= namelen; i++) { if ((tokstart[i] >= 'a' && tokstart[i] <= 'z')) tokstart[i] -= ('a'-'A'); } } /* Third chance Capitalized (as GPC does). */ if (!sym && !is_a_field_of_this && !is_a_field) { for (i = 0; i <= namelen; i++) { if (i == 0) { if ((tmp[i] >= 'a' && tmp[i] <= 'z')) tmp[i] -= ('a'-'A'); } else if ((tmp[i] >= 'A' && tmp[i] <= 'Z')) tmp[i] -= ('A'-'a'); } if (search_field && current_type) is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL); if (is_a_field) sym = NULL; else sym = lookup_symbol (tmp, expression_context_block, VAR_DOMAIN, &is_a_field_of_this); if (sym || is_a_field_of_this || is_a_field) for (i = 0; i <= namelen; i++) { if (i == 0) { if ((tokstart[i] >= 'a' && tokstart[i] <= 'z')) tokstart[i] -= ('a'-'A'); } else if ((tokstart[i] >= 'A' && tokstart[i] <= 'Z')) tokstart[i] -= ('A'-'a'); } } if (is_a_field) { tempbuf = (char *) xrealloc (tempbuf, namelen + 1); strncpy (tempbuf, tokstart, namelen); tempbuf [namelen] = 0; yylval.sval.ptr = tempbuf; yylval.sval.length = namelen; xfree (uptokstart); return FIELDNAME; } /* Call lookup_symtab, not lookup_partial_symtab, in case there are no psymtabs (coff, xcoff, or some future change to blow away the psymtabs once once symbols are read). */ if ((sym && SYMBOL_CLASS (sym) == LOC_BLOCK) || lookup_symtab (tmp)) { yylval.ssym.sym = sym; yylval.ssym.is_a_field_of_this = is_a_field_of_this; xfree (uptokstart); return BLOCKNAME; } if (sym && SYMBOL_CLASS (sym) == LOC_TYPEDEF) { #if 1 /* Despite the following flaw, we need to keep this code enabled. Because we can get called from check_stub_method, if we don't handle nested types then it screws many operations in any program which uses nested types. */ /* In "A::x", if x is a member function of A and there happens to be a type (nested or not, since the stabs don't make that distinction) named x, then this code incorrectly thinks we are dealing with nested types rather than a member function. */ char *p; char *namestart; struct symbol *best_sym; /* Look ahead to detect nested types. This probably should be done in the grammar, but trying seemed to introduce a lot of shift/reduce and reduce/reduce conflicts. It's possible that it could be done, though. Or perhaps a non-grammar, but less ad hoc, approach would work well. */ /* Since we do not currently have any way of distinguishing a nested type from a non-nested one (the stabs don't tell us whether a type is nested), we just ignore the containing type. */ p = lexptr; best_sym = sym; while (1) { /* Skip whitespace. */ while (*p == ' ' || *p == '\t' || *p == '\n') ++p; if (*p == ':' && p[1] == ':') { /* Skip the `::'. */ p += 2; /* Skip whitespace. */ while (*p == ' ' || *p == '\t' || *p == '\n') ++p; namestart = p; while (*p == '_' || *p == '$' || (*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'z') || (*p >= 'A' && *p <= 'Z')) ++p; if (p != namestart) { struct symbol *cur_sym; /* As big as the whole rest of the expression, which is at least big enough. */ char *ncopy = alloca (strlen (tmp)+strlen (namestart)+3); char *tmp1; tmp1 = ncopy; memcpy (tmp1, tmp, strlen (tmp)); tmp1 += strlen (tmp); memcpy (tmp1, "::", 2); tmp1 += 2; memcpy (tmp1, namestart, p - namestart); tmp1[p - namestart] = '\0'; cur_sym = lookup_symbol (ncopy, expression_context_block, VAR_DOMAIN, (int *) NULL); if (cur_sym) { if (SYMBOL_CLASS (cur_sym) == LOC_TYPEDEF) { best_sym = cur_sym; lexptr = p; } else break; } else break; } else break; } else break; } yylval.tsym.type = SYMBOL_TYPE (best_sym); #else /* not 0 */ yylval.tsym.type = SYMBOL_TYPE (sym); #endif /* not 0 */ xfree (uptokstart); return TYPENAME; } yylval.tsym.type = language_lookup_primitive_type_by_name (parse_language, parse_gdbarch, tmp); if (yylval.tsym.type != NULL) { xfree (uptokstart); return TYPENAME; } /* Input names that aren't symbols but ARE valid hex numbers, when the input radix permits them, can be names or numbers depending on the parse. Note we support radixes > 16 here. */ if (!sym && ((tokstart[0] >= 'a' && tokstart[0] < 'a' + input_radix - 10) || (tokstart[0] >= 'A' && tokstart[0] < 'A' + input_radix - 10))) { YYSTYPE newlval; /* Its value is ignored. */ hextype = parse_number (tokstart, namelen, 0, &newlval); if (hextype == INT) { yylval.ssym.sym = sym; yylval.ssym.is_a_field_of_this = is_a_field_of_this; xfree (uptokstart); return NAME_OR_INT; } } xfree(uptokstart); /* Any other kind of symbol */ yylval.ssym.sym = sym; yylval.ssym.is_a_field_of_this = is_a_field_of_this; return NAME; } } void yyerror (msg) char *msg; { if (prev_lexptr) lexptr = prev_lexptr; error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr); }
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