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#ifndef LEXER_H
#define LEXER_H
#include "token.h"
#define LEXER_VALID (lexer->c != '\0' && lexer->i < strlen(lexer->content))
/* the lexer struct */
typedef struct LEXER_STRUC {
/* current character in content */
char c;
/* index of c */
unsigned int i;
/* source being read */
char* content;
} lexer_t;
/* create lexer from source code */
extern lexer_t* lexer_init (char* content);
/* destroy the lexer */
extern void lexer_destroy (lexer_t* lexer);
/* move lexer forward one char */
extern void lexer_next (lexer_t* lexer);
/* skip useless characters */
extern void lexer_pass (lexer_t* lexer);
/* create tokens */
extern token_t* lexer_get_next_token (lexer_t* lexer);
/* create token and move 1 char */
extern token_t* lexer_next_token (lexer_t* lexer, int token_type);
/* create string from lexer->c */
extern char* lexer_get_c_as_string (lexer_t* lexer);
/*
int fskip: skip first char?
int lskip: skip last char?
*/
extern token_t* lexer_collect (lexer_t* lexer, int (*end_char)(char), int fskip, int lskip, int type);
/* run lexer from source */
lexer_t* lexer_run(lexer_t*);
#endif
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