#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 {
+typedef struct position_t position_t;
+struct position_t {
const char *input_name;
unsigned lineno;
- unsigned colno;
+ 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;
+extern const position_t builtin_position;
+
+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;
+ position_t pos;
+ symbol_t *symbol;
+};
+
+struct literal_t {
+ token_base_t base;
+ string_t string;
+};
-typedef struct {
- int type;
- symbol_t *symbol; /**< contains identifier. Contains number suffix for numbers */
- string_t literal; /**< string value/literal value */
- source_position_t source_position;
-} token_t;
+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);
-symbol_t *get_token_symbol(const token_t *token);
-
-void print_pp_token_type(FILE *out, int 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