/*** $Id: llex.h,v 1.58 2006/03/23 18:23:32 roberto Exp $** Lexical Analyzer** See Copyright Notice in lua.h*/#ifndef llex_h#define llex_h#include "lobject.h"#include "lzio.h"#define FIRST_RESERVED	257/* maximum length of a reserved word */#define TOKEN_LEN	(sizeof("function")/sizeof(char))/** WARNING: if you change the order of this enumeration,* grep "ORDER RESERVED"*/enum RESERVED {  /* terminal symbols denoted by reserved words */  TK_AND = FIRST_RESERVED, TK_BREAK,  TK_DO, TK_ELSE, TK_ELSEIF, TK_END, TK_FALSE, TK_FOR, TK_FUNCTION,  TK_IF, TK_IN, TK_LOCAL, TK_NIL, TK_NOT, TK_OR, TK_REPEAT,  TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL, TK_WHILE,  /* other terminal symbols */  TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE, TK_NUMBER,  TK_NAME, TK_STRING, TK_EOS};/* number of reserved words */#define NUM_RESERVED	(cast(int, TK_WHILE-FIRST_RESERVED+1))/* array with token `names' */LUAI_DATA const char *const luaX_tokens [];typedef union {  lua_Number r;  TString *ts;} SemInfo;  /* semantics information */typedef struct Token {  int token;  SemInfo seminfo;} Token;typedef struct LexState {  int current;  /* current character (charint) */  int linenumber;  /* input line counter */  int lastline;  /* line of last token `consumed' */  Token t;  /* current token */  Token lookahead;  /* look ahead token */  struct FuncState *fs;  /* `FuncState' is private to the parser */  struct lua_State *L;  ZIO *z;  /* input stream */  Mbuffer *buff;  /* buffer for tokens */  TString *source;  /* current source name */  char decpoint;  /* locale decimal point */} LexState;LUAI_FUNC void luaX_init (lua_State *L);LUAI_FUNC void luaX_setinput (lua_State *L, LexState *ls, ZIO *z,                              TString *source);LUAI_FUNC TString *luaX_newstring (LexState *ls, const char *str, size_t l);LUAI_FUNC void luaX_next (LexState *ls);LUAI_FUNC void luaX_lookahead (LexState *ls);LUAI_FUNC void luaX_lexerror (LexState *ls, const char *msg, int token);LUAI_FUNC void luaX_syntaxerror (LexState *ls, const char *s);LUAI_FUNC const char *luaX_token2str (LexState *ls, int token);#endif