Fork of the Fernflower decompiler
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
fernflower/src/org/jetbrains/java/decompiler/struct/consts/LinkConstant.java

75 lines
2.5 KiB

// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package org.jetbrains.java.decompiler.struct.consts;
public class LinkConstant extends PooledConstant {
public int index1, index2;
public String classname;
public String elementname;
public String descriptor;
public LinkConstant(int type, String classname, String elementname, String descriptor) {
super(type);
this.classname = classname;
this.elementname = elementname;
this.descriptor = descriptor;
initConstant();
}
public LinkConstant(int type, int index1, int index2) {
super(type);
this.index1 = index1;
this.index2 = index2;
}
private void initConstant() {
if (type == CONSTANT_Methodref ||
type == CONSTANT_InterfaceMethodref ||
type == CONSTANT_InvokeDynamic ||
(type == CONSTANT_MethodHandle && index1 != CONSTANT_MethodHandle_REF_getField && index1 != CONSTANT_MethodHandle_REF_putField)) {
int parenth = descriptor.indexOf(')');
if (descriptor.length() < 2 || parenth < 0 || descriptor.charAt(0) != '(') {
throw new IllegalArgumentException("Invalid descriptor: " + descriptor +
"; type = " + type + "; classname = " + classname + "; elementname = " + elementname);
}
}
}
@Override
public void resolveConstant(ConstantPool pool) {
if (type == CONSTANT_NameAndType) {
elementname = pool.getPrimitiveConstant(index1).getString();
descriptor = pool.getPrimitiveConstant(index2).getString();
}
else if (type == CONSTANT_MethodHandle) {
LinkConstant ref_info = pool.getLinkConstant(index2);
classname = ref_info.classname;
elementname = ref_info.elementname;
descriptor = ref_info.descriptor;
}
else {
if (type != CONSTANT_InvokeDynamic) {
classname = pool.getPrimitiveConstant(index1).getString();
}
LinkConstant nametype = pool.getLinkConstant(index2);
elementname = nametype.elementname;
descriptor = nametype.descriptor;
}
initConstant();
}
@Override
public boolean equals(Object o) {
if (o == this) return true;
if (!(o instanceof LinkConstant)) return false;
LinkConstant cn = (LinkConstant)o;
return this.type == cn.type &&
this.elementname.equals(cn.elementname) &&
this.descriptor.equals(cn.descriptor) &&
(this.type != CONSTANT_NameAndType || this.classname.equals(cn.classname));
}
}