public PrimaryExpression(Symbol s){
		if(Symbol.Id.IDENTIFIER_NAME == s.getCode()){
			if(it.isExist(s.getValue())){
				this.identifer = it.getIdentifier(s.getValue());
			} else {
				this.identifer = new Identifier(s.getValue(),-1,current_block);
				it.addIdentifier(this.identifer);
			}
			this.place = this.identifer.getNewName();
		}
		else{
			this.literal = s;
			this.place = s.getValue();
		}
	}