# 1 "./lua/llex.h"






#ifndef llex_h
#define llex_h 

#include <limits.h>

#include "lobject.h"
#include "lzio.h"






#define FIRST_RESERVED (UCHAR_MAX + 1)


#if !defined(LUA_ENV)
#define LUA_ENV "_ENV"
#endif






enum RESERVED {

  TK_AND = FIRST_RESERVED, TK_BREAK,
  TK_DO, TK_ELSE, TK_ELSEIF, TK_END, TK_FALSE, TK_FOR, TK_FUNCTION,
  TK_GOTO, TK_IF, TK_IN, TK_LOCAL, TK_NIL, TK_NOT, TK_OR, TK_REPEAT,
  TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL, TK_WHILE,

  TK_IDIV, TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE,
  TK_SHL, TK_SHR,
  TK_DBCOLON, TK_EOS,
  TK_FLT, TK_INT, TK_NAME, TK_STRING
};


#define NUM_RESERVED (cast_int(TK_WHILE-FIRST_RESERVED + 1))


typedef union {
  lua_Number r;
  lua_Integer i;
  TString *ts;
} SemInfo;


typedef struct Token {
  int token;
  SemInfo seminfo;
} Token;




typedef struct LexState {
  int current;
  int linenumber;
  int lastline;
  Token t;
  Token lookahead;
  struct FuncState *fs;
  struct lua_State *L;
  ZIO *z;
  Mbuffer *buff;
  Table *h;
  struct Dyndata *dyd;
  TString *source;
  TString *envn;
} LexState;


LUAI_FUNC void luaX_init (lua_State *L);
LUAI_FUNC void luaX_setinput (lua_State *L, LexState *ls, ZIO *z,
                              TString *source, int firstchar);
LUAI_FUNC TString *luaX_newstring (LexState *ls, const char *str, size_t l);
LUAI_FUNC void luaX_next (LexState *ls);
LUAI_FUNC int luaX_lookahead (LexState *ls);
LUAI_FUNC l_noret luaX_syntaxerror (LexState *ls, const char *s);
LUAI_FUNC const char *luaX_token2str (LexState *ls, int token);


#endif