- added 'null' token to the ZScript parser which is needed for null pointers.

- removed function declaration parser from DECORATE because it is not needed anymore.
- fixed: comparison operators could not handle names.

src/scripting/zscript/zcc-parse.lemon

@@ -956,6 +956,13 @@ primary(X) ::= IDENTIFIER(A).
 	expr->Type = NULL;
 	X = expr;
 }
+primary(X) ::= NULL(T).
+{
+	NEW_AST_NODE(Expression, expr, T);
+	expr->Operation = PEX_Null;
+	expr->Type = NULL;
+	X = expr;
+}
 primary(X) ::= SUPER(T).
 {
 	NEW_AST_NODE(Expression, expr, T);

src/scripting/zscript/zcc_exprlist.h

@@ -3,6 +3,7 @@ xx(Nil,				)
 
 xx(ID,				)
 xx(Super,			)
+xx(Null,			)
 xx(Self,			)
 xx(ConstValue,		)
 xx(FuncCall,		)

src/scripting/zscript/zcc_parser.cpp

@@ -153,6 +153,7 @@ static void InitTokenMap()
 	TOKENDEF (TK_Out,			ZCC_OUT);
 	TOKENDEF (TK_Optional,		ZCC_OPTIONAL);
 	TOKENDEF (TK_Super,			ZCC_SUPER);
+	TOKENDEF (TK_Null,			ZCC_NULL);
 	TOKENDEF (TK_Self,			ZCC_SELF);
 	TOKENDEF ('~',				ZCC_TILDE);
 	TOKENDEF ('!',				ZCC_BANG);