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#ifndef LEX_H
#define LEX_H
#include <stdio.h>
enum TOKEN_TYPE {
TOKEN_COMMA = 1,
TOKEN_DOT, /* starts an assembler directive */
TOKEN_LABEL, /* label declaration */
TOKEN_IDENT, /* identifier (not label decl) or instruction */
TOKEN_KEYWORD, /* keyword used to tell the assembler special information */
TOKEN_STRING, /* string literal */
TOKEN_NUMERIC, /* numeric literal, incl literal chars */
TOKEN_REGISTER, /* $0, $H, $1 */
TOKEN_EOL, /* end of line */
TOKEN_EOF, /* end of file */
};
struct token {
enum TOKEN_TYPE type;
/* line and column of the source file this token occurs at. 1-based. */
size_t line;
size_t column;
size_t span;
char *s_val;
int i_val;
};
struct token* lex(const char *filename_local, FILE *fin, size_t *len);
void lex_free(struct token *ts, size_t t_count);
#endif /* LEX_H */
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