mirror of
https://github.com/UberGames/rpgxEF.git
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a39565b783
... not quite content with where the project files lie but it is ok for now. ... compiling works fine so far (only tested mingw32 right now)
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/*
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** $Id: llex.h,v 1.65 2010/04/05 16:35:37 roberto Exp $
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** Lexical Analyzer
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** See Copyright Notice in lua.h
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*/
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#ifndef llex_h
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#define llex_h
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#include "lobject.h"
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#include "lzio.h"
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#define FIRST_RESERVED 257
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/* maximum length of a reserved word */
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#define TOKEN_LEN (sizeof("function")/sizeof(char))
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/*
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* WARNING: if you change the order of this enumeration,
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* grep "ORDER RESERVED"
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*/
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enum RESERVED {
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/* terminal symbols denoted by reserved words */
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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_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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/* other terminal symbols */
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TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE, TK_EOS,
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TK_NUMBER, TK_NAME, TK_STRING
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};
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/* number of reserved words */
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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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TString *ts;
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} SemInfo; /* semantics information */
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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; /* current character (charint) */
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int linenumber; /* input line counter */
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int lastline; /* line of last token `consumed' */
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Token t; /* current token */
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Token lookahead; /* look ahead token */
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struct FuncState *fs; /* `FuncState' is private to the parser */
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struct lua_State *L;
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ZIO *z; /* input stream */
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Mbuffer *buff; /* buffer for tokens */
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struct Varlist *varl; /* list of all active local variables */
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TString *source; /* current source name */
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TString *envn; /* environment variable name */
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char decpoint; /* locale decimal point */
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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);
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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 void 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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