X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=token_t.h;h=9a68f81f19c90ed15ea78e2b519177d835eaa2d1;hb=a668609ba6566b9bfbb9641d5a52847d1ab508d6;hp=317cc3be584714e48d58ab23a80226b52f283a21;hpb=6ff85b6a89c74076dc516e3a38bc26bd80c37fa5;p=cparser diff --git a/token_t.h b/token_t.h index 317cc3b..9a68f81 100644 --- a/token_t.h +++ b/token_t.h @@ -1,3 +1,22 @@ +/* + * This file is part of cparser. + * Copyright (C) 2007-2009 Matthias Braun + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ #ifndef TOKEN_T_H #define TOKEN_T_H @@ -7,50 +26,90 @@ #include "symbol_table.h" #include "type.h" -typedef enum { +typedef enum token_kind_t { + T_NULL = 0, + T_EOF = '\x04', // EOT #define T(mode,x,str,val) T_##x val, #define TS(x,str,val) T_##x val, #include "tokens.inc" #undef TS #undef T + T_LAST_TOKEN +} token_kind_t; - T_EOF = -1, - T_ERROR = -2 -} token_type_t; - -typedef enum { +typedef enum preprocessor_token_kind_t { + TP_NULL = T_NULL, + TP_EOF = T_EOF, #define T(mode,x,str,val) TP_##x val, #define TS(x,str,val) TP_##x val, #include "tokens_preprocessor.inc" #undef TS #undef T -} preprocessor_token_type_t; + TP_LAST_TOKEN +} preprocessor_token_kind_t; typedef struct source_position_t source_position_t; struct source_position_t { const char *input_name; - unsigned linenr; + unsigned lineno; + unsigned colno : 31; + unsigned is_system_header : 1; }; /* position used for "builtin" declarations/types */ -extern source_position_t builtin_source_position; - -typedef struct { - int type; - union { - symbol_t *symbol; - long long intvalue; - long double floatvalue; - const char *string; - wide_string_t wide_string; - } v; - type_t *datatype; - source_position_t source_position; -} token_t; +extern const source_position_t builtin_source_position; + +typedef struct token_base_t token_base_t; +typedef struct string_literal_t string_literal_t; +typedef struct number_literal_t number_literal_t; +typedef union token_t token_t; + +struct token_base_t { + unsigned kind; + source_position_t source_position; + symbol_t *symbol; +}; + +enum string_encoding_t { + STRING_ENCODING_CHAR, + STRING_ENCODING_WIDE +}; +typedef enum string_encoding_t string_encoding_t; + +struct string_literal_t { + token_base_t base; + string_encoding_t encoding; + string_t string; +}; + +struct number_literal_t { + token_base_t base; + string_t number; + string_t suffix; +}; + +union token_t { + unsigned kind; + token_base_t base; + string_literal_t string; + number_literal_t number; +}; + +char const *get_string_encoding_prefix(string_encoding_t); void init_tokens(void); void exit_tokens(void); -void print_token_type(FILE *out, token_type_t token_type); +void print_token_kind(FILE *out, token_kind_t token_kind); void print_token(FILE *out, const token_t *token); +void print_pp_token_kind(FILE *out, int kind); +void print_pp_token(FILE *out, const token_t *token); + +/** + * returns true if pasting 2 preprocessing tokens next to each other + * without a space in between would generate (an)other preprocessing token(s) + */ +bool tokens_would_paste(preprocessor_token_kind_t token1, + preprocessor_token_kind_t token2); + #endif