1 files changed, 75 insertions, 0 deletions
diff --git a/lua/llex.h b/lua/llex.h
new file mode 100644
index 000000000..37a6bc588
--- /dev/null
+++ b/lua/llex.h
@@ -0,0 +1,75 @@
+/*
+** $Id: llex.h,v 1.1 2004/03/16 21:58:30 niemeyer 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_NAME, TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE, TK_NUMBER,
+  TK_STRING, TK_EOS
+};
+
+/* number of reserved words */
+#define NUM_RESERVED	(cast(int, TK_WHILE-FIRST_RESERVED+1))
+
+
+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 */
+  int nestlevel;  /* level of nested non-terminals */
+} LexState;
+
+
+void luaX_init (lua_State *L);
+void luaX_setinput (lua_State *L, LexState *LS, ZIO *z, TString *source);
+int luaX_lex (LexState *LS, SemInfo *seminfo);
+void luaX_checklimit (LexState *ls, int val, int limit, const char *msg);
+void luaX_syntaxerror (LexState *ls, const char *s);
+void luaX_errorline (LexState *ls, const char *s, const char *token, int line);
+const char *luaX_token2str (LexState *ls, int token);
+
+
+#endif