#ifndef __HF__LEXER_H__
#define __HF__LEXER_H__

#include "location.h"
#include "result.h"

enum hf__token_type {
  HF__TOKEN_TYPE__NUMBER,
  HF__TOKEN_TYPE__CHAR,
  HF__TOKEN_TYPE__WORD,

  HF__TOKEN_TYPE__PERIOD_STRING,

  HF__TOKEN_TYPE__COLON,
  HF__TOKEN_TYPE__SEMICOLON,

  HF__TOKEN_TYPE__DASH_COMMENT,
  HF__TOKEN_TYPE__BACKSLASH_COMMENT,
  HF__TOKEN_TYPE__PAREN_COMMENT,
};

struct hf__token {
  enum hf__token_type type;
  struct hf__location location;
};

extern void hf__lex(const char *const src, const size_t src_len,
                    struct hf__token **tokens, size_t *const len,
                    size_t *const cap);

#endif