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#ifndef PP_H
#define PP_H
#include "util.h"
#include "syntax.h"
/* TODO */
typedef struct MACRO_STRUC {
char* id;
char* val;
} macro_t;
/*
preprocessor struct
TODO: keep track of macros
*/
typedef struct PP_STRUC {
/* original source */
char* src;
/* pre-processed source */
char* psrc;
/* what the preprocessor is looking at right now */
enum PP_STATE {
PP_STATE_REG, /* regular */
PP_STATE_STR, /* string */
PP_STATE_COM, /* comment */
PP_STATE_ESC, /* escaped character in string */
/* PP_STATE_MCO, */ /* macro */
} state;
} pp_t;
/* creates a new preprocessor from some source code */
pp_t* pp_init(char*);
/* destroys the preprocessor **but not the pre-processed source** */
void pp_destroy(pp_t*);
/* copy over the current character from src to psrc */
void pp_cpy_char(pp_t*);
void pp_do_reg(pp_t*);
void pp_do_str(pp_t*);
void pp_do_com(pp_t*);
/* run the preprocessor */
void pp_run(pp_t*);
#endif
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