X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=token_t.h;h=20c64ad06c10a77b916e3050952cffecefab04b5;hb=d7384b0b065dd6195ac6649c4d48a06905bc8fe7;hp=848c3adeea95e74a2e1734f17c9295505da74943;hpb=9d26a49e94a6cd2a4ad0d35faa6d7b0b628866d9;p=cparser diff --git a/token_t.h b/token_t.h index 848c3ad..20c64ad 100644 --- a/token_t.h +++ b/token_t.h @@ -1,6 +1,6 @@ /* * This file is part of cparser. - * Copyright (C) 2007-2008 Matthias Braun + * 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 @@ -26,58 +26,76 @@ #include "symbol_table.h" #include "type.h" -typedef enum token_type_t { - T_ERROR = -1, +typedef enum token_kind_tag_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, +#define T(mode,x,str,val) x val, #include "tokens.inc" -#undef TS #undef T T_LAST_TOKEN -} token_type_t; +} token_kind_tag_t; +typedef unsigned short token_kind_t; -typedef enum preprocessor_token_type_t { - TP_NULL = T_NULL, - TP_EOF = T_EOF, - TP_ERROR = T_ERROR, -#define T(mode,x,str,val) TP_##x val, -#define TS(x,str,val) TP_##x val, +typedef enum pp_token_kind_tag_t { + TP_NULL = 0, +#define T(token) TP_##token, #include "tokens_preprocessor.inc" -#undef TS #undef T TP_LAST_TOKEN -} preprocessor_token_type_t; +} pp_token_kind_tag_t; +typedef unsigned short pp_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; }; +extern symbol_t *token_symbols[]; + /* position used for "builtin" declarations/types */ extern const source_position_t builtin_source_position; -typedef struct { - int type; - union { - symbol_t *symbol; - long long intvalue; - long double floatvalue; - string_t string; - wide_string_t wide_string; - } v; - type_t *datatype; - source_position_t source_position; -} token_t; +typedef struct token_base_t token_base_t; +typedef struct literal_t literal_t; +typedef struct macro_parameter_t macro_parameter_t; +typedef union token_t token_t; + +struct token_base_t { + token_kind_t kind; + source_position_t source_position; + symbol_t *symbol; +}; + +struct literal_t { + token_base_t base; + string_t string; +}; + +struct macro_parameter_t { + token_base_t base; + pp_definition_t *def; +}; + +union token_t { + unsigned kind; + token_base_t base; + literal_t literal; + macro_parameter_t macro_parameter; +}; + +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_type(FILE *out, preprocessor_token_type_t type); -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(token_kind_t token1, token_kind_t token2); #endif