X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=token_t.h;h=fefcafe92c621dee733fd2bbf42a53d639573928;hb=refs%2Fheads%2Falias;hp=be48841cafae76aea7271e879effb6c9afea3c15;hpb=fbad4d6c6c4f43d7ae379d1ff48c1c1c21768edf;p=cparser diff --git a/token_t.h b/token_t.h index be48841..fefcafe 100644 --- a/token_t.h +++ b/token_t.h @@ -1,33 +1,86 @@ +/* + * This file is part of cparser. + * Copyright (C) 2012 Matthias Braun + */ #ifndef TOKEN_T_H #define TOKEN_T_H +#include #include + +#include "string_rep.h" #include "symbol.h" -#include "symbol_table.h" -typedef enum { -#define T(x,str,val) T_##x val, -#define TS(x,str,val) T_##x val, +typedef enum token_kind_tag_t { + T_NULL = 0, +#define T(mode,x,str,val) x val, #include "tokens.inc" -#undef TS #undef T + T_LAST_TOKEN +} token_kind_tag_t; +typedef unsigned short token_kind_t; + +typedef enum pp_token_kind_tag_t { + TP_NULL = 0, +#define T(token) TP_##token, +#include "tokens_preprocessor.inc" +#undef T + TP_LAST_TOKEN +} pp_token_kind_tag_t; +typedef unsigned short pp_token_kind_t; + +typedef struct position_t position_t; +struct position_t { + const char *input_name; + unsigned lineno; + unsigned colno : 31; + unsigned is_system_header : 1; +}; + +extern symbol_t *token_symbols[]; + +/* position used for "builtin" declarations/types */ +extern const position_t builtin_position; - T_EOF = -1, - T_ERROR = -2 -} token_type_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; -typedef struct { - int type; - union { - symbol_t *symbol; - int intvalue; - const char *string; - } v; -} token_t; +struct token_base_t { + token_kind_t kind; + position_t pos; + 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); +/** + * 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