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new experimental syntax using reserved word 'undef'

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Roberto Ierusalimschy
2018-03-07 12:55:38 -03:00
parent 464658b16a
commit 4a1612ff9b
11 changed files with 113 additions and 43 deletions
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4
llex.h
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@@ -1,5 +1,5 @@
/*
** $Id: llex.h,v 1.79 2016/05/02 14:02:12 roberto Exp roberto $
** $Id: llex.h,v 1.80 2018/01/28 15:13:26 roberto Exp roberto $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/
@@ -28,7 +28,7 @@ enum RESERVED {
TK_AND = FIRST_RESERVED, TK_BREAK,
TK_DO, TK_ELSE, TK_ELSEIF, TK_END, TK_FALSE, TK_FOR, TK_FUNCTION,
TK_GOTO, TK_IF, TK_IN, TK_LOCAL, TK_NIL, TK_NOT, TK_OR, TK_REPEAT,
TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL, TK_WHILE,
TK_RETURN, TK_THEN, TK_TRUE, TK_UNDEF, TK_UNTIL, TK_WHILE,
/* other terminal symbols */
TK_IDIV, TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE,
TK_SHL, TK_SHR,