ConstantInfo.java

package com.coderising.jvm.constant;

public abstract class ConstantInfo {
	public static final int UTF8_INFO = 1;
	public static final int FLOAT_INFO = 4;
	public static final int CLASS_INFO = 7;
	public static final int STRING_INFO = 8;
	public static final int FIELD_INFO = 9;
	public static final int METHOD_INFO = 10;
	public static final int NAME_AND_TYPE_INFO = 12;
	protected ConstantPool constantPool;
	
	public ConstantInfo(){
		
	}
	
	public ConstantInfo(ConstantPool pool) {
		this.constantPool = pool;
	}
	public abstract int getType();
	
	public ConstantPool getConstantPool() {
		return constantPool;
	}
	public ConstantInfo getConstantInfo(int index){
		return this.constantPool.getConstantInfo(index);
	}
	
	public abstract void accept(Visitor visitor);
	
	public static interface Visitor {
		void visitClassInfo(ClassInfo classInfo);
		void visitFieldRefInfo(FieldRefInfo fieldRefInfo);
		void visitMethodRefInfo(MethodRefInfo methodRefInfo);
		void visitNameAndTypeInfo(NameAndTypeInfo nameAndTypeInfo);
		void visitNullConstantInfo(NullConstantInfo nullConstantInfo);
		void visitStringInfo(StringInfo stringInfo);
		void visitUTF8Info(UTF8Info utf8Info);
	}
	
}