#ifndef LEXER_H
#define LEXER_H
#include <ctype.h> //isspace
#include <program.h>
#include <queue.h>

struct Translation_Data;
struct Source;

enum Keyword
{
	KW_MACHINE,
	KW_STATE,
	KW_FROM,
	KW_TO,
	KW_ON,
	KW_ID,
	KW_STRING,
	KW_NOP,
	KW_EOF,
	KW_OPEN_SQUARE,
	KW_CLOSE_SQUARE,
	KW_PIPE,
	KW_SEMI_COLUMN,
	KW_STARTING,
};
struct token
{
	size_t size;
	enum Keyword type;
	char *data;
	size_t row;
	size_t column;
};

void lex(struct Queue *token_destination,struct Source *src,struct Translation_Data *translation_data);
struct token* lex_step(struct Source *src,struct Translation_Data *translation_data);
struct token* get_token(char *data,size_t size,enum Keyword type,size_t row,size_t column);
void skip_white_space(struct Source *src);



void delete_token(struct token *token);
/*:X*/
static char check_and_move_if_on_word(char *word,size_t word_size,struct Source *src,char needs_space_after);

#endif