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Diffstat (limited to 'src/glsl/glcpp/glcpp-parse.c')
| -rw-r--r-- | src/glsl/glcpp/glcpp-parse.c | 3957 |
1 files changed, 3957 insertions, 0 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.c b/src/glsl/glcpp/glcpp-parse.c new file mode 100644 index 00000000000..2f08ff8112d --- /dev/null +++ b/src/glsl/glcpp/glcpp-parse.c @@ -0,0 +1,3957 @@ + +/* A Bison parser, made by GNU Bison 2.4.1. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton 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 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.1" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 1 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 1 + + + +/* Copy the first part of user declarations. */ + +/* Line 189 of yacc.c */ +#line 1 "glcpp/glcpp-parse.y" + +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> +#include <inttypes.h> + +#include "glcpp.h" +#include "main/mtypes.h" + +#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str) +#define glcpp_printf(stream, fmt, args...) \ + stream = talloc_asprintf_append(stream, fmt, args) + +static void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error); + +static void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + token_list_t *replacements); + +static void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + string_list_t *parameters, + token_list_t *replacements); + +static string_list_t * +_string_list_create (void *ctx); + +static void +_string_list_append_item (string_list_t *list, const char *str); + +static int +_string_list_contains (string_list_t *list, const char *member, int *index); + +static int +_string_list_length (string_list_t *list); + +static argument_list_t * +_argument_list_create (void *ctx); + +static void +_argument_list_append (argument_list_t *list, token_list_t *argument); + +static int +_argument_list_length (argument_list_t *list); + +static token_list_t * +_argument_list_member_at (argument_list_t *list, int index); + +/* Note: This function talloc_steal()s the str pointer. */ +static token_t * +_token_create_str (void *ctx, int type, char *str); + +static token_t * +_token_create_ival (void *ctx, int type, int ival); + +static token_list_t * +_token_list_create (void *ctx); + +/* Note: This function adds a talloc_reference() to token. + * + * You may want to talloc_unlink any current reference if you no + * longer need it. */ +static void +_token_list_append (token_list_t *list, token_t *token); + +static void +_token_list_append_list (token_list_t *list, token_list_t *tail); + +static active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker); + +static active_list_t * +_active_list_pop (active_list_t *list); + +int +_active_list_contains (active_list_t *list, const char *identifier); + +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition); + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition); + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc); + +#define yylex glcpp_parser_lex + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser); + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list); + + + +/* Line 189 of yacc.c */ +#line 210 "glcpp/glcpp-parse.c" + +/* 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 1 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + COMMA_FINAL = 258, + DEFINED = 259, + ELIF_EXPANDED = 260, + HASH = 261, + HASH_DEFINE_FUNC = 262, + HASH_DEFINE_OBJ = 263, + HASH_ELIF = 264, + HASH_ELSE = 265, + HASH_ENDIF = 266, + HASH_IF = 267, + HASH_IFDEF = 268, + HASH_IFNDEF = 269, + HASH_UNDEF = 270, + IDENTIFIER = 271, + IF_EXPANDED = 272, + INTEGER = 273, + INTEGER_STRING = 274, + NEWLINE = 275, + OTHER = 276, + PLACEHOLDER = 277, + SPACE = 278, + PASTE = 279, + OR = 280, + AND = 281, + NOT_EQUAL = 282, + EQUAL = 283, + GREATER_OR_EQUAL = 284, + LESS_OR_EQUAL = 285, + RIGHT_SHIFT = 286, + LEFT_SHIFT = 287, + UNARY = 288 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED + +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + +#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 /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 264 of yacc.c */ +#line 297 "glcpp/glcpp-parse.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (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 +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; + YYLTYPE yyls_alloc; +}; + +/* 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 (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * 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 \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (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_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 2 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 673 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 56 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 16 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 98 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 157 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 288 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 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, 46, 2, 2, 2, 42, 29, 2, + 44, 45, 40, 38, 48, 39, 53, 41, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 54, + 32, 55, 33, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 49, 2, 50, 28, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 51, 27, 52, 47, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 30, 31, 34, 35, 36, 37, 43 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint16 yyprhs[] = +{ + 0, 0, 3, 4, 7, 9, 11, 13, 16, 20, + 24, 29, 36, 44, 48, 52, 57, 62, 66, 69, + 72, 75, 78, 80, 82, 86, 90, 94, 98, 102, + 106, 110, 114, 118, 122, 126, 130, 134, 138, 142, + 146, 150, 154, 157, 160, 163, 166, 170, 172, 176, + 178, 181, 184, 185, 187, 188, 190, 193, 198, 200, + 202, 205, 207, 210, 212, 214, 216, 218, 220, 222, + 224, 226, 228, 230, 232, 234, 236, 238, 240, 242, + 244, 246, 248, 250, 252, 254, 256, 258, 260, 262, + 264, 266, 268, 270, 272, 274, 276, 278, 280 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 57, 0, -1, -1, 57, 58, -1, 60, -1, 63, + -1, 59, -1, 6, 64, -1, 17, 61, 20, -1, + 5, 61, 20, -1, 8, 16, 65, 20, -1, 7, + 16, 44, 45, 65, 20, -1, 7, 16, 44, 62, + 45, 65, 20, -1, 15, 16, 20, -1, 12, 68, + 20, -1, 13, 16, 66, 20, -1, 14, 16, 66, + 20, -1, 9, 68, 20, -1, 9, 20, -1, 10, + 20, -1, 11, 20, -1, 6, 20, -1, 19, -1, + 18, -1, 61, 25, 61, -1, 61, 26, 61, -1, + 61, 27, 61, -1, 61, 28, 61, -1, 61, 29, + 61, -1, 61, 30, 61, -1, 61, 31, 61, -1, + 61, 34, 61, -1, 61, 35, 61, -1, 61, 33, + 61, -1, 61, 32, 61, -1, 61, 36, 61, -1, + 61, 37, 61, -1, 61, 39, 61, -1, 61, 38, + 61, -1, 61, 42, 61, -1, 61, 41, 61, -1, + 61, 40, 61, -1, 46, 61, -1, 47, 61, -1, + 39, 61, -1, 38, 61, -1, 44, 61, 45, -1, + 16, -1, 62, 48, 16, -1, 20, -1, 69, 20, + -1, 69, 20, -1, -1, 69, -1, -1, 69, -1, + 4, 16, -1, 4, 44, 16, 45, -1, 70, -1, + 67, -1, 68, 67, -1, 70, -1, 69, 70, -1, + 16, -1, 19, -1, 71, -1, 21, -1, 23, -1, + 49, -1, 50, -1, 44, -1, 45, -1, 51, -1, + 52, -1, 53, -1, 29, -1, 40, -1, 38, -1, + 39, -1, 47, -1, 46, -1, 41, -1, 42, -1, + 37, -1, 36, -1, 32, -1, 33, -1, 35, -1, + 34, -1, 31, -1, 30, -1, 28, -1, 27, -1, + 26, -1, 25, -1, 54, -1, 48, -1, 55, -1, + 24, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 166, 166, 168, 172, 175, 180, 181, 185, 188, + 194, 197, 200, 203, 211, 223, 228, 233, 245, 256, + 259, 262, 266, 275, 278, 281, 284, 287, 290, 293, + 296, 299, 302, 305, 308, 311, 314, 317, 320, 323, + 326, 329, 332, 335, 338, 341, 344, 350, 355, 363, + 364, 368, 374, 375, 378, 380, 387, 391, 395, 400, + 406, 414, 420, 428, 432, 436, 440, 444, 451, 452, + 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, + 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, + 473, 474, 475, 476, 477, 478, 479, 480, 481 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[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", "COMMA_FINAL", "DEFINED", + "ELIF_EXPANDED", "HASH", "HASH_DEFINE_FUNC", "HASH_DEFINE_OBJ", + "HASH_ELIF", "HASH_ELSE", "HASH_ENDIF", "HASH_IF", "HASH_IFDEF", + "HASH_IFNDEF", "HASH_UNDEF", "IDENTIFIER", "IF_EXPANDED", "INTEGER", + "INTEGER_STRING", "NEWLINE", "OTHER", "PLACEHOLDER", "SPACE", "PASTE", + "OR", "AND", "'|'", "'^'", "'&'", "NOT_EQUAL", "EQUAL", "'<'", "'>'", + "GREATER_OR_EQUAL", "LESS_OR_EQUAL", "RIGHT_SHIFT", "LEFT_SHIFT", "'+'", + "'-'", "'*'", "'/'", "'%'", "UNARY", "'('", "')'", "'!'", "'~'", "','", + "'['", "']'", "'{'", "'}'", "'.'", "';'", "'='", "$accept", "input", + "line", "expanded_line", "control_line", "expression", "identifier_list", + "text_line", "non_directive", "replacement_list", "junk", + "conditional_token", "conditional_tokens", "pp_tokens", + "preprocessing_token", "operator", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 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, 124, 94, 38, + 282, 283, 60, 62, 284, 285, 286, 287, 43, 45, + 42, 47, 37, 288, 40, 41, 33, 126, 44, 91, + 93, 123, 125, 46, 59, 61 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 56, 57, 57, 58, 58, 58, 58, 59, 59, + 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, + 60, 60, 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 62, 62, 63, + 63, 64, 65, 65, 66, 66, 67, 67, 67, 68, + 68, 69, 69, 70, 70, 70, 70, 70, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, 71 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 0, 2, 1, 1, 1, 2, 3, 3, + 4, 6, 7, 3, 3, 4, 4, 3, 2, 2, + 2, 2, 1, 1, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 2, 2, 2, 2, 3, 1, 3, 1, + 2, 2, 0, 1, 0, 1, 2, 4, 1, 1, + 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 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 yytype_uint8 yydefact[] = +{ + 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 63, 0, 64, 49, 66, 67, + 98, 94, 93, 92, 91, 75, 90, 89, 85, 86, + 88, 87, 84, 83, 77, 78, 76, 81, 82, 70, + 71, 80, 79, 96, 68, 69, 72, 73, 74, 95, + 97, 3, 6, 4, 5, 0, 61, 65, 23, 22, + 0, 0, 0, 0, 0, 0, 21, 7, 0, 0, + 52, 0, 18, 59, 0, 58, 19, 20, 0, 54, + 54, 0, 0, 50, 62, 45, 44, 0, 42, 43, + 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, + 0, 0, 53, 56, 0, 17, 60, 14, 0, 55, + 0, 13, 8, 46, 24, 25, 26, 27, 28, 29, + 30, 34, 33, 31, 32, 35, 36, 38, 37, 41, + 40, 39, 47, 52, 0, 10, 0, 15, 16, 0, + 52, 0, 57, 11, 0, 48, 12 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = +{ + -1, 1, 51, 52, 53, 65, 144, 54, 67, 111, + 118, 73, 74, 112, 56, 57 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -120 +static const yytype_int16 yypact[] = +{ + -120, 108, -120, -17, 356, -9, 9, 160, -15, 6, + 316, 17, 18, 29, -120, -17, -120, -120, -120, -120, + -120, -120, -120, -120, -120, -120, -120, -120, -120, -120, + -120, -120, -120, -120, -120, -120, -120, -120, -120, -120, + -120, -120, -120, -120, -120, -120, -120, -120, -120, -120, + -120, -120, -120, -120, -120, 396, -120, -120, -120, -120, + -17, -17, -17, -17, -17, 512, -120, -120, 436, 2, + 476, -8, -120, -120, 212, -120, -120, -120, 264, 476, + 476, 39, 535, -120, -120, -120, -120, 553, -120, -120, + -120, -17, -17, -17, -17, -17, -17, -17, -17, -17, + -17, -17, -17, -17, -17, -17, -17, -17, -17, -120, + -10, 40, 476, -120, 49, -120, -120, -120, 46, 476, + 48, -120, -120, -120, 573, 589, 604, 618, 631, -23, + -23, 1, 1, 1, 1, 16, 16, 22, 22, -120, + -120, -120, -120, 476, -1, -120, 24, -120, -120, 50, + 476, 56, -120, -120, 53, -120, -120 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -120, -120, -120, -120, -120, -11, -120, -120, -120, -119, + -6, -46, 65, 19, -7, -120 +}; + +/* 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 -1 +static const yytype_uint8 yytable[] = +{ + 75, 58, 59, 75, 82, 76, 142, 69, 113, 98, + 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, + 55, 60, 61, 68, 149, 70, 77, 62, 116, 63, + 64, 154, 116, 79, 80, 143, 114, 102, 103, 104, + 105, 106, 107, 108, 150, 81, 110, 151, 84, 85, + 86, 87, 88, 89, 104, 105, 106, 107, 108, 121, + 145, 84, 106, 107, 108, 146, 147, 75, 148, 152, + 153, 75, 155, 156, 120, 78, 0, 0, 0, 0, + 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, + 134, 135, 136, 137, 138, 139, 140, 141, 119, 119, + 0, 0, 0, 0, 0, 84, 0, 0, 2, 0, + 0, 0, 84, 3, 4, 5, 6, 7, 8, 9, + 10, 11, 12, 13, 14, 15, 0, 16, 17, 18, + 0, 19, 20, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 0, 39, 40, 41, 42, 43, 44, 45, 46, + 47, 48, 49, 50, 71, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 14, 0, 0, 16, + 72, 18, 0, 19, 20, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 0, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 71, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, + 0, 16, 115, 18, 0, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 0, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 71, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 14, 0, 0, 16, 117, 18, 0, 19, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 0, 39, 40, + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, + 71, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 14, 0, 0, 16, 0, 18, 0, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 0, + 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 14, 0, 0, 16, 66, 18, 0, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 0, + 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 14, 0, 0, 16, 83, 18, 0, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 0, + 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 14, 0, 0, 16, 109, 18, 0, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 0, + 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 14, 0, 0, 16, 0, 18, 0, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 0, + 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 90, 0, 0, 0, 0, 91, 92, 93, + 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 122, 0, 0, 0, 0, + 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, + 101, 102, 103, 104, 105, 106, 107, 108, 91, 92, + 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, + 103, 104, 105, 106, 107, 108, 0, 0, 123, 92, + 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, + 103, 104, 105, 106, 107, 108, 93, 94, 95, 96, + 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, + 107, 108, 94, 95, 96, 97, 98, 99, 100, 101, + 102, 103, 104, 105, 106, 107, 108, 95, 96, 97, + 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, + 108, 96, 97, 98, 99, 100, 101, 102, 103, 104, + 105, 106, 107, 108 +}; + +static const yytype_int16 yycheck[] = +{ + 7, 18, 19, 10, 15, 20, 16, 16, 16, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, + 1, 38, 39, 4, 143, 16, 20, 44, 74, 46, + 47, 150, 78, 16, 16, 45, 44, 36, 37, 38, + 39, 40, 41, 42, 45, 16, 44, 48, 55, 60, + 61, 62, 63, 64, 38, 39, 40, 41, 42, 20, + 20, 68, 40, 41, 42, 16, 20, 74, 20, 45, + 20, 78, 16, 20, 80, 10, -1, -1, -1, -1, + 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, + 101, 102, 103, 104, 105, 106, 107, 108, 79, 80, + -1, -1, -1, -1, -1, 112, -1, -1, 0, -1, + -1, -1, 119, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, -1, 19, 20, 21, + -1, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, + 42, -1, 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 4, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 16, -1, -1, 19, + 20, 21, -1, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, -1, 44, 45, 46, 47, 48, 49, + 50, 51, 52, 53, 54, 55, 4, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 16, -1, + -1, 19, 20, 21, -1, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, -1, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 4, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 16, -1, -1, 19, 20, 21, -1, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, -1, 44, 45, + 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 16, -1, -1, 19, -1, 21, -1, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, -1, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 16, -1, -1, 19, 20, 21, -1, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, -1, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 16, -1, -1, 19, 20, 21, -1, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, -1, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 16, -1, -1, 19, 20, 21, -1, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, -1, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 16, -1, -1, 19, -1, 21, -1, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, -1, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 20, -1, -1, -1, -1, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 20, -1, -1, -1, -1, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, + 37, 38, 39, 40, 41, 42, -1, -1, 45, 26, + 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, + 37, 38, 39, 40, 41, 42, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, + 42, 30, 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 57, 0, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, 19, 20, 21, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 58, 59, 60, 63, 69, 70, 71, 18, 19, + 38, 39, 44, 46, 47, 61, 20, 64, 69, 16, + 16, 4, 20, 67, 68, 70, 20, 20, 68, 16, + 16, 16, 61, 20, 70, 61, 61, 61, 61, 61, + 20, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, 20, + 44, 65, 69, 16, 44, 20, 67, 20, 66, 69, + 66, 20, 20, 45, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 16, 45, 62, 20, 16, 20, 20, 65, + 45, 48, 45, 20, 65, 16, 20 +}; + +#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 (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (&yylloc, parser, YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +#else +# define YYLEX yylex (&yylval, &yylloc, parser) +#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 (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, Location, parser); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; + glcpp_parser_t *parser; +#endif +{ + if (!yyvaluep) + return; + YYUSE (yylocationp); + YYUSE (parser); +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, parser) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; + glcpp_parser_t *parser; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); + yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule, glcpp_parser_t *parser) +#else +static void +yy_reduce_print (yyvsp, yylsp, yyrule, parser) + YYSTYPE *yyvsp; + YYLTYPE *yylsp; + int yyrule; + glcpp_parser_t *parser; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , &(yylsp[(yyi + 1) - (yynrhs)]) , parser); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, yylsp, Rule, parser); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, 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 + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#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. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# 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. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* 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 + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp, glcpp_parser_t *parser) +#else +static void +yydestruct (yymsg, yytype, yyvaluep, yylocationp, parser) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; + glcpp_parser_t *parser; +#endif +{ + YYUSE (yyvaluep); + YYUSE (yylocationp); + YYUSE (parser); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + 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 (glcpp_parser_t *parser); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + + + + +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (glcpp_parser_t *parser) +#else +int +yyparse (parser) + glcpp_parser_t *parser; +#endif +#endif +{ +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Location data for the lookahead symbol. */ +YYLTYPE yylloc; + + /* Number of syntax errors so far. */ + int yynerrs; + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The 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 reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls; + YYLTYPE *yylsp; + + /* The locations where the error started and ended. */ + YYLTYPE yyerror_range[2]; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + YYLTYPE yyloc; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yyls = yylsa; + yystacksize = YYINITDEPTH; + + 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; + yylsp = yyls; + +#if YYLTYPE_IS_TRIVIAL + /* Initialize the default location before parsing starts. */ + yylloc.first_line = yylloc.last_line = 1; + yylloc.first_column = yylloc.last_column = 1; +#endif + + 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 reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + YYLTYPE *yyls1 = yyls; + + /* 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 (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), + &yystacksize); + + yyls = yyls1; + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); + YYSTACK_RELOCATE (yyls_alloc, yyls); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + yylsp = yyls + 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)); + + if (yystate == YYFINAL) + YYACCEPT; + + 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. */ + + /* 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); + YY_SYMBOL_PRINT ("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; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + *++yylsp = yylloc; + 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]; + + /* Default location. */ + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 4: + +/* Line 1455 of yacc.c */ +#line 172 "glcpp/glcpp-parse.y" + { + glcpp_print(parser->output, "\n"); + ;} + break; + + case 5: + +/* Line 1455 of yacc.c */ +#line 175 "glcpp/glcpp-parse.y" + { + _glcpp_parser_print_expanded_token_list (parser, (yyvsp[(1) - (1)].token_list)); + glcpp_print(parser->output, "\n"); + talloc_free ((yyvsp[(1) - (1)].token_list)); + ;} + break; + + case 8: + +/* Line 1455 of yacc.c */ +#line 185 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), (yyvsp[(2) - (3)].ival)); + ;} + break; + + case 9: + +/* Line 1455 of yacc.c */ +#line 188 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), "elif", (yyvsp[(2) - (3)].ival)); + ;} + break; + + case 10: + +/* Line 1455 of yacc.c */ +#line 194 "glcpp/glcpp-parse.y" + { + _define_object_macro (parser, & (yylsp[(2) - (4)]), (yyvsp[(2) - (4)].str), (yyvsp[(3) - (4)].token_list)); + ;} + break; + + case 11: + +/* Line 1455 of yacc.c */ +#line 197 "glcpp/glcpp-parse.y" + { + _define_function_macro (parser, & (yylsp[(2) - (6)]), (yyvsp[(2) - (6)].str), NULL, (yyvsp[(5) - (6)].token_list)); + ;} + break; + + case 12: + +/* Line 1455 of yacc.c */ +#line 200 "glcpp/glcpp-parse.y" + { + _define_function_macro (parser, & (yylsp[(2) - (7)]), (yyvsp[(2) - (7)].str), (yyvsp[(4) - (7)].string_list), (yyvsp[(6) - (7)].token_list)); + ;} + break; + + case 13: + +/* Line 1455 of yacc.c */ +#line 203 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (3)].str)); + if (macro) { + hash_table_remove (parser->defines, (yyvsp[(2) - (3)].str)); + talloc_free (macro); + } + talloc_free ((yyvsp[(2) - (3)].str)); + ;} + break; + + case 14: + +/* Line 1455 of yacc.c */ +#line 211 "glcpp/glcpp-parse.y" + { + token_list_t *expanded; + token_t *token; + + expanded = _token_list_create (parser); + token = _token_create_ival (parser, IF_EXPANDED, IF_EXPANDED); + _token_list_append (expanded, token); + talloc_unlink (parser, token); + _glcpp_parser_expand_token_list (parser, (yyvsp[(2) - (3)].token_list)); + _token_list_append_list (expanded, (yyvsp[(2) - (3)].token_list)); + glcpp_parser_lex_from (parser, expanded); + ;} + break; + + case 15: + +/* Line 1455 of yacc.c */ +#line 223 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str)); + talloc_free ((yyvsp[(2) - (4)].str)); + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro != NULL); + ;} + break; + + case 16: + +/* Line 1455 of yacc.c */ +#line 228 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str)); + talloc_free ((yyvsp[(2) - (4)].str)); + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro == NULL); + ;} + break; + + case 17: + +/* Line 1455 of yacc.c */ +#line 233 "glcpp/glcpp-parse.y" + { + token_list_t *expanded; + token_t *token; + + expanded = _token_list_create (parser); + token = _token_create_ival (parser, ELIF_EXPANDED, ELIF_EXPANDED); + _token_list_append (expanded, token); + talloc_unlink (parser, token); + _glcpp_parser_expand_token_list (parser, (yyvsp[(2) - (3)].token_list)); + _token_list_append_list (expanded, (yyvsp[(2) - (3)].token_list)); + glcpp_parser_lex_from (parser, expanded); + ;} + break; + + case 18: + +/* Line 1455 of yacc.c */ +#line 245 "glcpp/glcpp-parse.y" + { + /* #elif without an expression results in a warning if the + * condition doesn't matter (we just handled #if 1 or such) + * but an error otherwise. */ + if (parser->skip_stack != NULL && parser->skip_stack->type == SKIP_NO_SKIP) { + parser->skip_stack->type = SKIP_TO_ENDIF; + glcpp_warning(& (yylsp[(1) - (2)]), parser, "ignoring illegal #elif without expression"); + } else { + glcpp_error(& (yylsp[(1) - (2)]), parser, "#elif needs an expression"); + } + ;} + break; + + case 19: + +/* Line 1455 of yacc.c */ +#line 256 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), "else", 1); + ;} + break; + + case 20: + +/* Line 1455 of yacc.c */ +#line 259 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_pop (parser, & (yylsp[(1) - (2)])); + ;} + break; + + case 22: + +/* Line 1455 of yacc.c */ +#line 266 "glcpp/glcpp-parse.y" + { + if (strlen ((yyvsp[(1) - (1)].str)) >= 3 && strncmp ((yyvsp[(1) - (1)].str), "0x", 2) == 0) { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str) + 2, NULL, 16); + } else if ((yyvsp[(1) - (1)].str)[0] == '0') { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 8); + } else { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 10); + } + ;} + break; + + case 23: + +/* Line 1455 of yacc.c */ +#line 275 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (1)].ival); + ;} + break; + + case 24: + +/* Line 1455 of yacc.c */ +#line 278 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) || (yyvsp[(3) - (3)].ival); + ;} + break; + + case 25: + +/* Line 1455 of yacc.c */ +#line 281 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) && (yyvsp[(3) - (3)].ival); + ;} + break; + + case 26: + +/* Line 1455 of yacc.c */ +#line 284 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) | (yyvsp[(3) - (3)].ival); + ;} + break; + + case 27: + +/* Line 1455 of yacc.c */ +#line 287 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) ^ (yyvsp[(3) - (3)].ival); + ;} + break; + + case 28: + +/* Line 1455 of yacc.c */ +#line 290 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) & (yyvsp[(3) - (3)].ival); + ;} + break; + + case 29: + +/* Line 1455 of yacc.c */ +#line 293 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) != (yyvsp[(3) - (3)].ival); + ;} + break; + + case 30: + +/* Line 1455 of yacc.c */ +#line 296 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) == (yyvsp[(3) - (3)].ival); + ;} + break; + + case 31: + +/* Line 1455 of yacc.c */ +#line 299 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) >= (yyvsp[(3) - (3)].ival); + ;} + break; + + case 32: + +/* Line 1455 of yacc.c */ +#line 302 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) <= (yyvsp[(3) - (3)].ival); + ;} + break; + + case 33: + +/* Line 1455 of yacc.c */ +#line 305 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) > (yyvsp[(3) - (3)].ival); + ;} + break; + + case 34: + +/* Line 1455 of yacc.c */ +#line 308 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) < (yyvsp[(3) - (3)].ival); + ;} + break; + + case 35: + +/* Line 1455 of yacc.c */ +#line 311 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) >> (yyvsp[(3) - (3)].ival); + ;} + break; + + case 36: + +/* Line 1455 of yacc.c */ +#line 314 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) << (yyvsp[(3) - (3)].ival); + ;} + break; + + case 37: + +/* Line 1455 of yacc.c */ +#line 317 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) - (yyvsp[(3) - (3)].ival); + ;} + break; + + case 38: + +/* Line 1455 of yacc.c */ +#line 320 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) + (yyvsp[(3) - (3)].ival); + ;} + break; + + case 39: + +/* Line 1455 of yacc.c */ +#line 323 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) % (yyvsp[(3) - (3)].ival); + ;} + break; + + case 40: + +/* Line 1455 of yacc.c */ +#line 326 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) / (yyvsp[(3) - (3)].ival); + ;} + break; + + case 41: + +/* Line 1455 of yacc.c */ +#line 329 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) * (yyvsp[(3) - (3)].ival); + ;} + break; + + case 42: + +/* Line 1455 of yacc.c */ +#line 332 "glcpp/glcpp-parse.y" + { + (yyval.ival) = ! (yyvsp[(2) - (2)].ival); + ;} + break; + + case 43: + +/* Line 1455 of yacc.c */ +#line 335 "glcpp/glcpp-parse.y" + { + (yyval.ival) = ~ (yyvsp[(2) - (2)].ival); + ;} + break; + + case 44: + +/* Line 1455 of yacc.c */ +#line 338 "glcpp/glcpp-parse.y" + { + (yyval.ival) = - (yyvsp[(2) - (2)].ival); + ;} + break; + + case 45: + +/* Line 1455 of yacc.c */ +#line 341 "glcpp/glcpp-parse.y" + { + (yyval.ival) = + (yyvsp[(2) - (2)].ival); + ;} + break; + + case 46: + +/* Line 1455 of yacc.c */ +#line 344 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(2) - (3)].ival); + ;} + break; + + case 47: + +/* Line 1455 of yacc.c */ +#line 350 "glcpp/glcpp-parse.y" + { + (yyval.string_list) = _string_list_create (parser); + _string_list_append_item ((yyval.string_list), (yyvsp[(1) - (1)].str)); + talloc_steal ((yyval.string_list), (yyvsp[(1) - (1)].str)); + ;} + break; + + case 48: + +/* Line 1455 of yacc.c */ +#line 355 "glcpp/glcpp-parse.y" + { + (yyval.string_list) = (yyvsp[(1) - (3)].string_list); + _string_list_append_item ((yyval.string_list), (yyvsp[(3) - (3)].str)); + talloc_steal ((yyval.string_list), (yyvsp[(3) - (3)].str)); + ;} + break; + + case 49: + +/* Line 1455 of yacc.c */ +#line 363 "glcpp/glcpp-parse.y" + { (yyval.token_list) = NULL; ;} + break; + + case 51: + +/* Line 1455 of yacc.c */ +#line 368 "glcpp/glcpp-parse.y" + { + yyerror (& (yylsp[(1) - (2)]), parser, "Invalid tokens after #"); + ;} + break; + + case 52: + +/* Line 1455 of yacc.c */ +#line 374 "glcpp/glcpp-parse.y" + { (yyval.token_list) = NULL; ;} + break; + + case 55: + +/* Line 1455 of yacc.c */ +#line 380 "glcpp/glcpp-parse.y" + { + glcpp_warning(&(yylsp[(1) - (1)]), parser, "extra tokens at end of directive"); + ;} + break; + + case 56: + +/* Line 1455 of yacc.c */ +#line 387 "glcpp/glcpp-parse.y" + { + int v = hash_table_find (parser->defines, (yyvsp[(2) - (2)].str)) ? 1 : 0; + (yyval.token) = _token_create_ival (parser, INTEGER, v); + ;} + break; + + case 57: + +/* Line 1455 of yacc.c */ +#line 391 "glcpp/glcpp-parse.y" + { + int v = hash_table_find (parser->defines, (yyvsp[(3) - (4)].str)) ? 1 : 0; + (yyval.token) = _token_create_ival (parser, INTEGER, v); + ;} + break; + + case 59: + +/* Line 1455 of yacc.c */ +#line 400 "glcpp/glcpp-parse.y" + { + parser->space_tokens = 1; + (yyval.token_list) = _token_list_create (parser); + _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token)); + talloc_unlink (parser, (yyvsp[(1) - (1)].token)); + ;} + break; + + case 60: + +/* Line 1455 of yacc.c */ +#line 406 "glcpp/glcpp-parse.y" + { + (yyval.token_list) = (yyvsp[(1) - (2)].token_list); + _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token)); + talloc_unlink (parser, (yyvsp[(2) - (2)].token)); + ;} + break; + + case 61: + +/* Line 1455 of yacc.c */ +#line 414 "glcpp/glcpp-parse.y" + { + parser->space_tokens = 1; + (yyval.token_list) = _token_list_create (parser); + _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token)); + talloc_unlink (parser, (yyvsp[(1) - (1)].token)); + ;} + break; + + case 62: + +/* Line 1455 of yacc.c */ +#line 420 "glcpp/glcpp-parse.y" + { + (yyval.token_list) = (yyvsp[(1) - (2)].token_list); + _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token)); + talloc_unlink (parser, (yyvsp[(2) - (2)].token)); + ;} + break; + + case 63: + +/* Line 1455 of yacc.c */ +#line 428 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, IDENTIFIER, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 64: + +/* Line 1455 of yacc.c */ +#line 432 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, INTEGER_STRING, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 65: + +/* Line 1455 of yacc.c */ +#line 436 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_ival (parser, (yyvsp[(1) - (1)].ival), (yyvsp[(1) - (1)].ival)); + (yyval.token)->location = yylloc; + ;} + break; + + case 66: + +/* Line 1455 of yacc.c */ +#line 440 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, OTHER, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 67: + +/* Line 1455 of yacc.c */ +#line 444 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_ival (parser, SPACE, SPACE); + (yyval.token)->location = yylloc; + ;} + break; + + case 68: + +/* Line 1455 of yacc.c */ +#line 451 "glcpp/glcpp-parse.y" + { (yyval.ival) = '['; ;} + break; + + case 69: + +/* Line 1455 of yacc.c */ +#line 452 "glcpp/glcpp-parse.y" + { (yyval.ival) = ']'; ;} + break; + + case 70: + +/* Line 1455 of yacc.c */ +#line 453 "glcpp/glcpp-parse.y" + { (yyval.ival) = '('; ;} + break; + + case 71: + +/* Line 1455 of yacc.c */ +#line 454 "glcpp/glcpp-parse.y" + { (yyval.ival) = ')'; ;} + break; + + case 72: + +/* Line 1455 of yacc.c */ +#line 455 "glcpp/glcpp-parse.y" + { (yyval.ival) = '{'; ;} + break; + + case 73: + +/* Line 1455 of yacc.c */ +#line 456 "glcpp/glcpp-parse.y" + { (yyval.ival) = '}'; ;} + break; + + case 74: + +/* Line 1455 of yacc.c */ +#line 457 "glcpp/glcpp-parse.y" + { (yyval.ival) = '.'; ;} + break; + + case 75: + +/* Line 1455 of yacc.c */ +#line 458 "glcpp/glcpp-parse.y" + { (yyval.ival) = '&'; ;} + break; + + case 76: + +/* Line 1455 of yacc.c */ +#line 459 "glcpp/glcpp-parse.y" + { (yyval.ival) = '*'; ;} + break; + + case 77: + +/* Line 1455 of yacc.c */ +#line 460 "glcpp/glcpp-parse.y" + { (yyval.ival) = '+'; ;} + break; + + case 78: + +/* Line 1455 of yacc.c */ +#line 461 "glcpp/glcpp-parse.y" + { (yyval.ival) = '-'; ;} + break; + + case 79: + +/* Line 1455 of yacc.c */ +#line 462 "glcpp/glcpp-parse.y" + { (yyval.ival) = '~'; ;} + break; + + case 80: + +/* Line 1455 of yacc.c */ +#line 463 "glcpp/glcpp-parse.y" + { (yyval.ival) = '!'; ;} + break; + + case 81: + +/* Line 1455 of yacc.c */ +#line 464 "glcpp/glcpp-parse.y" + { (yyval.ival) = '/'; ;} + break; + + case 82: + +/* Line 1455 of yacc.c */ +#line 465 "glcpp/glcpp-parse.y" + { (yyval.ival) = '%'; ;} + break; + + case 83: + +/* Line 1455 of yacc.c */ +#line 466 "glcpp/glcpp-parse.y" + { (yyval.ival) = LEFT_SHIFT; ;} + break; + + case 84: + +/* Line 1455 of yacc.c */ +#line 467 "glcpp/glcpp-parse.y" + { (yyval.ival) = RIGHT_SHIFT; ;} + break; + + case 85: + +/* Line 1455 of yacc.c */ +#line 468 "glcpp/glcpp-parse.y" + { (yyval.ival) = '<'; ;} + break; + + case 86: + +/* Line 1455 of yacc.c */ +#line 469 "glcpp/glcpp-parse.y" + { (yyval.ival) = '>'; ;} + break; + + case 87: + +/* Line 1455 of yacc.c */ +#line 470 "glcpp/glcpp-parse.y" + { (yyval.ival) = LESS_OR_EQUAL; ;} + break; + + case 88: + +/* Line 1455 of yacc.c */ +#line 471 "glcpp/glcpp-parse.y" + { (yyval.ival) = GREATER_OR_EQUAL; ;} + break; + + case 89: + +/* Line 1455 of yacc.c */ +#line 472 "glcpp/glcpp-parse.y" + { (yyval.ival) = EQUAL; ;} + break; + + case 90: + +/* Line 1455 of yacc.c */ +#line 473 "glcpp/glcpp-parse.y" + { (yyval.ival) = NOT_EQUAL; ;} + break; + + case 91: + +/* Line 1455 of yacc.c */ +#line 474 "glcpp/glcpp-parse.y" + { (yyval.ival) = '^'; ;} + break; + + case 92: + +/* Line 1455 of yacc.c */ +#line 475 "glcpp/glcpp-parse.y" + { (yyval.ival) = '|'; ;} + break; + + case 93: + +/* Line 1455 of yacc.c */ +#line 476 "glcpp/glcpp-parse.y" + { (yyval.ival) = AND; ;} + break; + + case 94: + +/* Line 1455 of yacc.c */ +#line 477 "glcpp/glcpp-parse.y" + { (yyval.ival) = OR; ;} + break; + + case 95: + +/* Line 1455 of yacc.c */ +#line 478 "glcpp/glcpp-parse.y" + { (yyval.ival) = ';'; ;} + break; + + case 96: + +/* Line 1455 of yacc.c */ +#line 479 "glcpp/glcpp-parse.y" + { (yyval.ival) = ','; ;} + break; + + case 97: + +/* Line 1455 of yacc.c */ +#line 480 "glcpp/glcpp-parse.y" + { (yyval.ival) = '='; ;} + break; + + case 98: + +/* Line 1455 of yacc.c */ +#line 481 "glcpp/glcpp-parse.y" + { (yyval.ival) = PASTE; ;} + break; + + + +/* Line 1455 of yacc.c */ +#line 2570 "glcpp/glcpp-parse.c" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + *++yylsp = yyloc; + + /* 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 + yyerror (&yylloc, parser, YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (&yylloc, parser, yymsg); + } + else + { + yyerror (&yylloc, parser, YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + yyerror_range[0] = yylloc; + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval, &yylloc, parser); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + yyerror_range[0] = yylsp[1-yylen]; + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + 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; + + yyerror_range[0] = *yylsp; + yydestruct ("Error: popping", + yystos[yystate], yyvsp, yylsp, parser); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + yyerror_range[1] = yylloc; + /* Using YYLLOC is tempting, but would change the location of + the lookahead. YYLOC is available though. */ + YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2); + *++yylsp = yyloc; + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (&yylloc, parser, YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval, &yylloc, parser); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, yylsp, parser); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + +/* Line 1675 of yacc.c */ +#line 484 "glcpp/glcpp-parse.y" + + +string_list_t * +_string_list_create (void *ctx) +{ + string_list_t *list; + + list = xtalloc (ctx, string_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_string_list_append_item (string_list_t *list, const char *str) +{ + string_node_t *node; + + node = xtalloc (list, string_node_t); + node->str = xtalloc_strdup (node, str); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_string_list_contains (string_list_t *list, const char *member, int *index) +{ + string_node_t *node; + int i; + + if (list == NULL) + return 0; + + for (i = 0, node = list->head; node; i++, node = node->next) { + if (strcmp (node->str, member) == 0) { + if (index) + *index = i; + return 1; + } + } + + return 0; +} + +int +_string_list_length (string_list_t *list) +{ + int length = 0; + string_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +argument_list_t * +_argument_list_create (void *ctx) +{ + argument_list_t *list; + + list = xtalloc (ctx, argument_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_argument_list_append (argument_list_t *list, token_list_t *argument) +{ + argument_node_t *node; + + node = xtalloc (list, argument_node_t); + node->argument = argument; + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_argument_list_length (argument_list_t *list) +{ + int length = 0; + argument_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +token_list_t * +_argument_list_member_at (argument_list_t *list, int index) +{ + argument_node_t *node; + int i; + + if (list == NULL) + return NULL; + + node = list->head; + for (i = 0; i < index; i++) { + node = node->next; + if (node == NULL) + break; + } + + if (node) + return node->argument; + + return NULL; +} + +/* Note: This function talloc_steal()s the str pointer. */ +token_t * +_token_create_str (void *ctx, int type, char *str) +{ + token_t *token; + + token = xtalloc (ctx, token_t); + token->type = type; + token->value.str = talloc_steal (token, str); + + return token; +} + +token_t * +_token_create_ival (void *ctx, int type, int ival) +{ + token_t *token; + + token = xtalloc (ctx, token_t); + token->type = type; + token->value.ival = ival; + + return token; +} + +token_list_t * +_token_list_create (void *ctx) +{ + token_list_t *list; + + list = xtalloc (ctx, token_list_t); + list->head = NULL; + list->tail = NULL; + list->non_space_tail = NULL; + + return list; +} + +void +_token_list_append (token_list_t *list, token_t *token) +{ + token_node_t *node; + + node = xtalloc (list, token_node_t); + node->token = xtalloc_reference (list, token); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; + if (token->type != SPACE) + list->non_space_tail = node; +} + +void +_token_list_append_list (token_list_t *list, token_list_t *tail) +{ + if (tail == NULL || tail->head == NULL) + return; + + if (list->head == NULL) { + list->head = tail->head; + } else { + list->tail->next = tail->head; + } + + list->tail = tail->tail; + list->non_space_tail = tail->non_space_tail; +} + +static token_list_t * +_token_list_copy (void *ctx, token_list_t *other) +{ + token_list_t *copy; + token_node_t *node; + + if (other == NULL) + return NULL; + + copy = _token_list_create (ctx); + for (node = other->head; node; node = node->next) + _token_list_append (copy, node->token); + + return copy; +} + +static void +_token_list_trim_trailing_space (token_list_t *list) +{ + token_node_t *tail, *next; + + if (list->non_space_tail) { + tail = list->non_space_tail->next; + list->non_space_tail->next = NULL; + list->tail = list->non_space_tail; + + while (tail) { + next = tail->next; + talloc_free (tail); + tail = next; + } + } +} + +static void +_token_print (char **out, token_t *token) +{ + if (token->type < 256) { + glcpp_printf (*out, "%c", token->type); + return; + } + + switch (token->type) { + case INTEGER: + glcpp_printf (*out, "%" PRIxMAX, token->value.ival); + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + glcpp_print (*out, token->value.str); + break; + case SPACE: + glcpp_print (*out, " "); + break; + case LEFT_SHIFT: + glcpp_print (*out, "<<"); + break; + case RIGHT_SHIFT: + glcpp_print (*out, ">>"); + break; + case LESS_OR_EQUAL: + glcpp_print (*out, "<="); + break; + case GREATER_OR_EQUAL: + glcpp_print (*out, ">="); + break; + case EQUAL: + glcpp_print (*out, "=="); + break; + case NOT_EQUAL: + glcpp_print (*out, "!="); + break; + case AND: + glcpp_print (*out, "&&"); + break; + case OR: + glcpp_print (*out, "||"); + break; + case PASTE: + glcpp_print (*out, "##"); + break; + case COMMA_FINAL: + glcpp_print (*out, ","); + break; + case PLACEHOLDER: + /* Nothing to print. */ + break; + default: + assert(!"Error: Don't know how to print token."); + break; + } +} + +/* Return a new token (talloc()ed off of 'token') formed by pasting + * 'token' and 'other'. Note that this function may return 'token' or + * 'other' directly rather than allocating anything new. + * + * Caution: Only very cursory error-checking is performed to see if + * the final result is a valid single token. */ +static token_t * +_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other) +{ + token_t *combined = NULL; + + /* Pasting a placeholder onto anything makes no change. */ + if (other->type == PLACEHOLDER) + return token; + + /* When 'token' is a placeholder, just return 'other'. */ + if (token->type == PLACEHOLDER) + return other; + + /* A very few single-character punctuators can be combined + * with another to form a multi-character punctuator. */ + switch (token->type) { + case '<': + if (other->type == '<') + combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL); + break; + case '>': + if (other->type == '>') + combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL); + break; + case '=': + if (other->type == '=') + combined = _token_create_ival (token, EQUAL, EQUAL); + break; + case '!': + if (other->type == '=') + combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL); + break; + case '&': + if (other->type == '&') + combined = _token_create_ival (token, AND, AND); + break; + case '|': + if (other->type == '|') + combined = _token_create_ival (token, OR, OR); + break; + } + + if (combined != NULL) { + /* Inherit the location from the first token */ + combined->location = token->location; + return combined; + } + + /* Two string-valued tokens can usually just be mashed + * together. + * + * XXX: This isn't actually legitimate. Several things here + * should result in a diagnostic since the result cannot be a + * valid, single pre-processing token. For example, pasting + * "123" and "abc" is not legal, but we don't catch that + * here. */ + if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) && + (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING)) + { + char *str; + + str = xtalloc_asprintf (token, "%s%s", + token->value.str, other->value.str); + combined = _token_create_str (token, token->type, str); + combined->location = token->location; + return combined; + } + + glcpp_error (&token->location, parser, ""); + glcpp_print (parser->info_log, "Pasting \""); + _token_print (&parser->info_log, token); + glcpp_print (parser->info_log, "\" and \""); + _token_print (&parser->info_log, other); + glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n"); + + return token; +} + +static void +_token_list_print (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + if (list == NULL) + return; + + for (node = list->head; node; node = node->next) + _token_print (&parser->output, node->token); +} + +void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error) +{ + glcpp_error(locp, parser, "%s", error); +} + +glcpp_parser_t * +glcpp_parser_create (const struct gl_extensions *extensions) +{ + glcpp_parser_t *parser; + token_t *tok; + token_list_t *list; + + parser = xtalloc (NULL, glcpp_parser_t); + + glcpp_lex_init_extra (parser, &parser->scanner); + parser->defines = hash_table_ctor (32, hash_table_string_hash, + hash_table_string_compare); + parser->active = NULL; + parser->lexing_if = 0; + parser->space_tokens = 1; + parser->newline_as_space = 0; + parser->in_control_line = 0; + parser->paren_count = 0; + + parser->skip_stack = NULL; + + parser->lex_from_list = NULL; + parser->lex_from_node = NULL; + + parser->output = talloc_strdup(parser, ""); + parser->info_log = talloc_strdup(parser, ""); + parser->error = 0; + + /* Add pre-defined macros. */ + tok = _token_create_ival (parser, INTEGER, 1); + + list = _token_list_create(parser); + _token_list_append(list, tok); + _define_object_macro(parser, NULL, "GL_ARB_draw_buffers", list); + + list = _token_list_create(parser); + _token_list_append(list, tok); + _define_object_macro(parser, NULL, "GL_ARB_texture_rectangle", list); + + if ((extensions != NULL) && extensions->EXT_texture_array) { + list = _token_list_create(parser); + _token_list_append(list, tok); + _define_object_macro(parser, NULL, + "GL_EXT_texture_array", list); + } + + talloc_unlink(parser, tok); + + return parser; +} + +int +glcpp_parser_parse (glcpp_parser_t *parser) +{ + return yyparse (parser); +} + +void +glcpp_parser_destroy (glcpp_parser_t *parser) +{ + if (parser->skip_stack) + glcpp_error (&parser->skip_stack->loc, parser, "Unterminated #if\n"); + glcpp_lex_destroy (parser->scanner); + hash_table_dtor (parser->defines); + talloc_free (parser); +} + +typedef enum function_status +{ + FUNCTION_STATUS_SUCCESS, + FUNCTION_NOT_A_FUNCTION, + FUNCTION_UNBALANCED_PARENTHESES +} function_status_t; + +/* Find a set of function-like macro arguments by looking for a + * balanced set of parentheses. + * + * When called, 'node' should be the opening-parenthesis token, (or + * perhaps preceeding SPACE tokens). Upon successful return *last will + * be the last consumed node, (corresponding to the closing right + * parenthesis). + * + * Return values: + * + * FUNCTION_STATUS_SUCCESS: + * + * Successfully parsed a set of function arguments. + * + * FUNCTION_NOT_A_FUNCTION: + * + * Macro name not followed by a '('. This is not an error, but + * simply that the macro name should be treated as a non-macro. + * + * FUNCTION_UNBALANCED_PARENTHESES + * + * Macro name is not followed by a balanced set of parentheses. + */ +static function_status_t +_arguments_parse (argument_list_t *arguments, + token_node_t *node, + token_node_t **last) +{ + token_list_t *argument; + int paren_count; + + node = node->next; + + /* Ignore whitespace before first parenthesis. */ + while (node && node->token->type == SPACE) + node = node->next; + + if (node == NULL || node->token->type != '(') + return FUNCTION_NOT_A_FUNCTION; + + node = node->next; + + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + + for (paren_count = 1; node; node = node->next) { + if (node->token->type == '(') + { + paren_count++; + } + else if (node->token->type == ')') + { + paren_count--; + if (paren_count == 0) + break; + } + + if (node->token->type == ',' && + paren_count == 1) + { + _token_list_trim_trailing_space (argument); + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + } + else { + if (argument->head == NULL) { + /* Don't treat initial whitespace as + * part of the arguement. */ + if (node->token->type == SPACE) + continue; + } + _token_list_append (argument, node->token); + } + } + + if (paren_count) + return FUNCTION_UNBALANCED_PARENTHESES; + + *last = node; + + return FUNCTION_STATUS_SUCCESS; +} + +static token_list_t * +_token_list_create_with_one_space (void *ctx) +{ + token_list_t *list; + token_t *space; + + list = _token_list_create (ctx); + space = _token_create_ival (list, SPACE, SPACE); + _token_list_append (list, space); + + return list; +} + +/* This is a helper function that's essentially part of the + * implementation of _glcpp_parser_expand_node. It shouldn't be called + * except for by that function. + * + * Returns NULL if node is a simple token with no expansion, (that is, + * although 'node' corresponds to an identifier defined as a + * function-like macro, it is not followed with a parenthesized + * argument list). + * + * Compute the complete expansion of node (which is a function-like + * macro) and subsequent nodes which are arguments. + * + * Returns the token list that results from the expansion and sets + * *last to the last node in the list that was consumed by the + * expansion. Specifically, *last will be set as follows: as the + * token of the closing right parenthesis. + */ +static token_list_t * +_glcpp_parser_expand_function (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) + +{ + macro_t *macro; + const char *identifier; + argument_list_t *arguments; + function_status_t status; + token_list_t *substituted; + int parameter_index; + + identifier = node->token->value.str; + + macro = hash_table_find (parser->defines, identifier); + + assert (macro->is_function); + + arguments = _argument_list_create (parser); + status = _arguments_parse (arguments, node, last); + + switch (status) { + case FUNCTION_STATUS_SUCCESS: + break; + case FUNCTION_NOT_A_FUNCTION: + return NULL; + case FUNCTION_UNBALANCED_PARENTHESES: + glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier); + return NULL; + } + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) { + talloc_free (arguments); + return _token_list_create_with_one_space (parser); + } + + if (! ((_argument_list_length (arguments) == + _string_list_length (macro->parameters)) || + (_string_list_length (macro->parameters) == 0 && + _argument_list_length (arguments) == 1 && + arguments->head->argument->head == NULL))) + { + glcpp_error (&node->token->location, parser, + "Error: macro %s invoked with %d arguments (expected %d)\n", + identifier, + _argument_list_length (arguments), + _string_list_length (macro->parameters)); + return NULL; + } + + /* Perform argument substitution on the replacement list. */ + substituted = _token_list_create (arguments); + + for (node = macro->replacements->head; node; node = node->next) + { + if (node->token->type == IDENTIFIER && + _string_list_contains (macro->parameters, + node->token->value.str, + ¶meter_index)) + { + token_list_t *argument; + argument = _argument_list_member_at (arguments, + parameter_index); + /* Before substituting, we expand the argument + * tokens, or append a placeholder token for + * an empty argument. */ + if (argument->head) { + token_list_t *expanded_argument; + expanded_argument = _token_list_copy (parser, + argument); + _glcpp_parser_expand_token_list (parser, + expanded_argument); + _token_list_append_list (substituted, + expanded_argument); + } else { + token_t *new_token; + + new_token = _token_create_ival (substituted, + PLACEHOLDER, + PLACEHOLDER); + _token_list_append (substituted, new_token); + } + } else { + _token_list_append (substituted, node->token); + } + } + + /* After argument substitution, and before further expansion + * below, implement token pasting. */ + + _token_list_trim_trailing_space (substituted); + + node = substituted->head; + while (node) + { + token_node_t *next_non_space; + + /* Look ahead for a PASTE token, skipping space. */ + next_non_space = node->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) + break; + + if (next_non_space->token->type != PASTE) { + node = next_non_space; + continue; + } + + /* Now find the next non-space token after the PASTE. */ + next_non_space = next_non_space->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) { + yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n"); + return NULL; + } + + node->token = _token_paste (parser, node->token, next_non_space->token); + node->next = next_non_space->next; + if (next_non_space == substituted->tail) + substituted->tail = node; + + node = node->next; + } + + substituted->non_space_tail = substituted->tail; + + return substituted; +} + +/* Compute the complete expansion of node, (and subsequent nodes after + * 'node' in the case that 'node' is a function-like macro and + * subsequent nodes are arguments). + * + * Returns NULL if node is a simple token with no expansion. + * + * Otherwise, returns the token list that results from the expansion + * and sets *last to the last node in the list that was consumed by + * the expansion. Specifically, *last will be set as follows: + * + * As 'node' in the case of object-like macro expansion. + * + * As the token of the closing right parenthesis in the case of + * function-like macro expansion. + */ +static token_list_t * +_glcpp_parser_expand_node (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) +{ + token_t *token = node->token; + const char *identifier; + macro_t *macro; + + /* We only expand identifiers */ + if (token->type != IDENTIFIER) { + /* We change any COMMA into a COMMA_FINAL to prevent + * it being mistaken for an argument separator + * later. */ + if (token->type == ',') { + token->type = COMMA_FINAL; + token->value.ival = COMMA_FINAL; + } + + return NULL; + } + + /* Look up this identifier in the hash table. */ + identifier = token->value.str; + macro = hash_table_find (parser->defines, identifier); + + /* Not a macro, so no expansion needed. */ + if (macro == NULL) + return NULL; + + /* Finally, don't expand this macro if we're already actively + * expanding it, (to avoid infinite recursion). */ + if (_active_list_contains (parser->active, identifier)) { + /* We change the token type here from IDENTIFIER to + * OTHER to prevent any future expansion of this + * unexpanded token. */ + char *str; + token_list_t *expansion; + token_t *final; + + str = xtalloc_strdup (parser, token->value.str); + final = _token_create_str (parser, OTHER, str); + expansion = _token_list_create (parser); + _token_list_append (expansion, final); + *last = node; + return expansion; + } + + if (! macro->is_function) + { + *last = node; + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) + return _token_list_create_with_one_space (parser); + + return _token_list_copy (parser, macro->replacements); + } + + return _glcpp_parser_expand_function (parser, node, last); +} + +/* Push a new identifier onto the active list, returning the new list. + * + * Here, 'marker' is the token node that appears in the list after the + * expansion of 'identifier'. That is, when the list iterator begins + * examinging 'marker', then it is time to pop this node from the + * active stack. + */ +active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker) +{ + active_list_t *node; + + node = xtalloc (list, active_list_t); + node->identifier = xtalloc_strdup (node, identifier); + node->marker = marker; + node->next = list; + + return node; +} + +active_list_t * +_active_list_pop (active_list_t *list) +{ + active_list_t *node = list; + + if (node == NULL) + return NULL; + + node = list->next; + talloc_free (list); + + return node; +} + +int +_active_list_contains (active_list_t *list, const char *identifier) +{ + active_list_t *node; + + if (list == NULL) + return 0; + + for (node = list; node; node = node->next) + if (strcmp (node->identifier, identifier) == 0) + return 1; + + return 0; +} + +/* Walk over the token list replacing nodes with their expansion. + * Whenever nodes are expanded the walking will walk over the new + * nodes, continuing to expand as necessary. The results are placed in + * 'list' itself; + */ +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + token_node_t *node_prev; + token_node_t *node, *last = NULL; + token_list_t *expansion; + + if (list == NULL) + return; + + _token_list_trim_trailing_space (list); + + node_prev = NULL; + node = list->head; + + while (node) { + + while (parser->active && parser->active->marker == node) + parser->active = _active_list_pop (parser->active); + + /* Find the expansion for node, which will replace all + * nodes from node to last, inclusive. */ + expansion = _glcpp_parser_expand_node (parser, node, &last); + if (expansion) { + token_node_t *n; + + for (n = node; n != last->next; n = n->next) + while (parser->active && + parser->active->marker == n) + { + parser->active = _active_list_pop (parser->active); + } + + parser->active = _active_list_push (parser->active, + node->token->value.str, + last->next); + + /* Splice expansion into list, supporting a + * simple deletion if the expansion is + * empty. */ + if (expansion->head) { + if (node_prev) + node_prev->next = expansion->head; + else + list->head = expansion->head; + expansion->tail->next = last->next; + if (last == list->tail) + list->tail = expansion->tail; + } else { + if (node_prev) + node_prev->next = last->next; + else + list->head = last->next; + if (last == list->tail) + list->tail = NULL; + } + } else { + node_prev = node; + } + node = node_prev ? node_prev->next : list->head; + } + + while (parser->active) + parser->active = _active_list_pop (parser->active); + + list->non_space_tail = list->tail; +} + +void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + if (list == NULL) + return; + + _glcpp_parser_expand_token_list (parser, list); + + _token_list_trim_trailing_space (list); + + _token_list_print (parser, list); +} + +static void +_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc, + const char *identifier) +{ + /* According to the GLSL specification, macro names starting with "__" + * or "GL_" are reserved for future use. So, don't allow them. + */ + if (strncmp(identifier, "__", 2) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n"); + } + if (strncmp(identifier, "GL_", 3) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n"); + } +} + +void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + token_list_t *replacements) +{ + macro_t *macro; + + if (loc != NULL) + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = xtalloc (parser, macro_t); + + macro->is_function = 0; + macro->parameters = NULL; + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + hash_table_insert (parser->defines, macro, identifier); +} + +void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + string_list_t *parameters, + token_list_t *replacements) +{ + macro_t *macro; + + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = xtalloc (parser, macro_t); + + macro->is_function = 1; + macro->parameters = talloc_steal (macro, parameters); + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + hash_table_insert (parser->defines, macro, identifier); +} + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser) +{ + token_node_t *node; + int ret; + + if (parser->lex_from_list == NULL) { + ret = glcpp_lex (yylval, yylloc, parser->scanner); + + /* XXX: This ugly block of code exists for the sole + * purpose of converting a NEWLINE token into a SPACE + * token, but only in the case where we have seen a + * function-like macro name, but have not yet seen its + * closing parenthesis. + * + * There's perhaps a more compact way to do this with + * mid-rule actions in the grammar. + * + * I'm definitely not pleased with the complexity of + * this code here. + */ + if (parser->newline_as_space) + { + if (ret == '(') { + parser->paren_count++; + } else if (ret == ')') { + parser->paren_count--; + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } else if (ret == NEWLINE) { + ret = SPACE; + } else if (ret != SPACE) { + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } + } + else if (parser->in_control_line) + { + if (ret == NEWLINE) + parser->in_control_line = 0; + } + else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC || + ret == HASH_UNDEF || ret == HASH_IF || + ret == HASH_IFDEF || ret == HASH_IFNDEF || + ret == HASH_ELIF || ret == HASH_ELSE || + ret == HASH_ENDIF || ret == HASH) + { + parser->in_control_line = 1; + } + else if (ret == IDENTIFIER) + { + macro_t *macro; + macro = hash_table_find (parser->defines, + yylval->str); + if (macro && macro->is_function) { + parser->newline_as_space = 1; + parser->paren_count = 0; + } + } + + return ret; + } + + node = parser->lex_from_node; + + if (node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + return NEWLINE; + } + + *yylval = node->token->value; + ret = node->token->type; + + parser->lex_from_node = node->next; + + return ret; +} + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + assert (parser->lex_from_list == NULL); + + /* Copy list, eliminating any space tokens. */ + parser->lex_from_list = _token_list_create (parser); + + for (node = list->head; node; node = node->next) { + if (node->token->type == SPACE) + continue; + _token_list_append (parser->lex_from_list, node->token); + } + + talloc_free (list); + + parser->lex_from_node = parser->lex_from_list->head; + + /* It's possible the list consisted of nothing but whitespace. */ + if (parser->lex_from_node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + } +} + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition) +{ + skip_type_t current = SKIP_NO_SKIP; + skip_node_t *node; + + if (parser->skip_stack) + current = parser->skip_stack->type; + + node = xtalloc (parser, skip_node_t); + node->loc = *loc; + + if (current == SKIP_NO_SKIP) { + if (condition) + node->type = SKIP_NO_SKIP; + else + node->type = SKIP_TO_ELSE; + } else { + node->type = SKIP_TO_ENDIF; + } + + node->next = parser->skip_stack; + parser->skip_stack = node; +} + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition) +{ + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "%s without #if\n", type); + return; + } + + if (parser->skip_stack->type == SKIP_TO_ELSE) { + if (condition) + parser->skip_stack->type = SKIP_NO_SKIP; + } else { + parser->skip_stack->type = SKIP_TO_ENDIF; + } +} + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc) +{ + skip_node_t *node; + + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "#endif without #if\n"); + return; + } + + node = parser->skip_stack; + parser->skip_stack = node->next; + talloc_free (node); +} + |