Mercurial > vba-clojure
view src/lua/llex.h @ 386:d8cbbf2a3133
changed scratch ragisters from BC to DE.
author | Robert McIntyre <rlm@mit.edu> |
---|---|
date | Thu, 12 Apr 2012 06:27:03 -0500 |
parents | 27763b933818 |
children |
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1 /*2 ** $Id: llex.h,v 1.58.1.1 2007/12/27 13:02:25 roberto Exp $3 ** Lexical Analyzer4 ** See Copyright Notice in lua.h5 */7 #ifndef llex_h8 #define llex_h10 #include "lobject.h"11 #include "lzio.h"14 #define FIRST_RESERVED 25716 /* maximum length of a reserved word */17 #define TOKEN_LEN (sizeof("function")/sizeof(char))20 /*21 * WARNING: if you change the order of this enumeration,22 * grep "ORDER RESERVED"23 */24 enum RESERVED {25 /* terminal symbols denoted by reserved words */26 TK_AND = FIRST_RESERVED, TK_BREAK,27 TK_DO, TK_ELSE, TK_ELSEIF, TK_END, TK_FALSE, TK_FOR, TK_FUNCTION,28 TK_IF, TK_IN, TK_LOCAL, TK_NIL, TK_NOT, TK_OR, TK_REPEAT,29 TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL, TK_WHILE,30 /* other terminal symbols */31 TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE, TK_NUMBER,32 TK_NAME, TK_STRING, TK_EOS33 };35 /* number of reserved words */36 #define NUM_RESERVED (cast(int, TK_WHILE-FIRST_RESERVED+1))39 /* array with token `names' */40 LUAI_DATA const char *const luaX_tokens [];43 typedef union {44 lua_Number r;45 TString *ts;46 } SemInfo; /* semantics information */49 typedef struct Token {50 int token;51 SemInfo seminfo;52 } Token;55 typedef struct LexState {56 int current; /* current character (charint) */57 int linenumber; /* input line counter */58 int lastline; /* line of last token `consumed' */59 Token t; /* current token */60 Token lookahead; /* look ahead token */61 struct FuncState *fs; /* `FuncState' is private to the parser */62 struct lua_State *L;63 ZIO *z; /* input stream */64 Mbuffer *buff; /* buffer for tokens */65 TString *source; /* current source name */66 char decpoint; /* locale decimal point */67 } LexState;70 LUAI_FUNC void luaX_init (lua_State *L);71 LUAI_FUNC void luaX_setinput (lua_State *L, LexState *ls, ZIO *z,72 TString *source);73 LUAI_FUNC TString *luaX_newstring (LexState *ls, const char *str, size_t l);74 LUAI_FUNC void luaX_next (LexState *ls);75 LUAI_FUNC void luaX_lookahead (LexState *ls);76 LUAI_FUNC void luaX_lexerror (LexState *ls, const char *msg, int token);77 LUAI_FUNC void luaX_syntaxerror (LexState *ls, const char *s);78 LUAI_FUNC const char *luaX_token2str (LexState *ls, int token);81 #endif