93 lines
1.5 KiB
C
93 lines
1.5 KiB
C
# 1 "./lua/llex.h"
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#ifndef llex_h
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#define llex_h
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#include <limits.h>
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#include "lobject.h"
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#include "lzio.h"
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#define FIRST_RESERVED (UCHAR_MAX + 1)
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#if !defined(LUA_ENV)
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#define LUA_ENV "_ENV"
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#endif
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enum RESERVED {
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TK_AND = FIRST_RESERVED, TK_BREAK,
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TK_DO, TK_ELSE, TK_ELSEIF, TK_END, TK_FALSE, TK_FOR, TK_FUNCTION,
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TK_GOTO, TK_IF, TK_IN, TK_LOCAL, TK_NIL, TK_NOT, TK_OR, TK_REPEAT,
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TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL, TK_WHILE,
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TK_IDIV, TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE,
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TK_SHL, TK_SHR,
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TK_DBCOLON, TK_EOS,
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TK_FLT, TK_INT, TK_NAME, TK_STRING
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};
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#define NUM_RESERVED (cast_int(TK_WHILE-FIRST_RESERVED + 1))
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typedef union {
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lua_Number r;
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lua_Integer i;
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TString *ts;
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} SemInfo;
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typedef struct Token {
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int token;
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SemInfo seminfo;
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} Token;
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typedef struct LexState {
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int current;
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int linenumber;
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int lastline;
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Token t;
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Token lookahead;
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struct FuncState *fs;
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struct lua_State *L;
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ZIO *z;
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Mbuffer *buff;
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Table *h;
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struct Dyndata *dyd;
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TString *source;
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TString *envn;
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} LexState;
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LUAI_FUNC void luaX_init (lua_State *L);
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LUAI_FUNC void luaX_setinput (lua_State *L, LexState *ls, ZIO *z,
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TString *source, int firstchar);
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LUAI_FUNC TString *luaX_newstring (LexState *ls, const char *str, size_t l);
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LUAI_FUNC void luaX_next (LexState *ls);
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LUAI_FUNC int luaX_lookahead (LexState *ls);
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LUAI_FUNC l_noret luaX_syntaxerror (LexState *ls, const char *s);
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LUAI_FUNC const char *luaX_token2str (LexState *ls, int token);
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#endif
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