/**
 * 该类用于表示声明的类
 */
package minijava.symboltable;

import minijava.typecheck.PrintError;

public class MClass extends MLocalVarType {
	public MClasses all_classes; // 所有类的列表
	public boolean isDeclared = false; // 是否已声明，用于检查符号表
	public String extend_class_name = null; // 所继承的类
	public MMethodList methods;

	public MClass(String v_name, MClasses all, int m_line, int m_column) {
		super(m_line, m_column);
		name = v_name;
		all_classes = all;
		methods = new MMethodList();
	}
	
	public String insertVar(MVariable var) {
		String var_name = var.getName();
		if (vars.findVar(var_name)!=-1) {
			return "Variable double declaration " + "\"" + var_name + "\"";
		}
		vars.insertVar(var);
		return null;
	}
	
	public String insertMethod(MMethod method) {
		String method_name = method.getName();
		if (vars.findVar(method_name)!=-1) {
			return "Method name \'" + method_name + "\' is the same of some variable.";
		}
		if (methods.findMethod(method_name)!=-1) {
			return "Method double declaration " + "\"" + method_name + "\".";
		}
		methods.addMethod(method);
		return null;
	}
}