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/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.translation.representation.entry;
import com.google.common.base.Preconditions;
import com.strobel.assembler.metadata.MethodDefinition;
import cuchaz.enigma.translation.Translator;
import cuchaz.enigma.translation.mapping.EntryMapping;
import cuchaz.enigma.translation.representation.AccessFlags;
import cuchaz.enigma.translation.representation.MethodDescriptor;
import cuchaz.enigma.translation.representation.Signature;
import javax.annotation.Nullable;
public class MethodDefEntry extends MethodEntry implements DefEntry<ClassEntry> {
private final AccessFlags access;
private final Signature signature;
public MethodDefEntry(ClassEntry owner, String name, MethodDescriptor descriptor, Signature signature, AccessFlags access) {
super(owner, name, descriptor);
Preconditions.checkNotNull(access, "Method access cannot be null");
Preconditions.checkNotNull(signature, "Method signature cannot be null");
this.access = access;
this.signature = signature;
}
public static MethodDefEntry parse(ClassEntry owner, int access, String name, String desc, String signature) {
return new MethodDefEntry(owner, name, new MethodDescriptor(desc), Signature.createSignature(signature), new AccessFlags(access));
}
public static MethodDefEntry parse(MethodDefinition definition) {
ClassEntry classEntry = ClassEntry.parse(definition.getDeclaringType());
MethodDescriptor descriptor = new MethodDescriptor(definition.getErasedSignature());
Signature signature = Signature.createSignature(definition.getSignature());
AccessFlags access = new AccessFlags(definition.getModifiers());
return new MethodDefEntry(classEntry, definition.getName(), descriptor, signature, access);
}
@Override
public AccessFlags getAccess() {
return access;
}
public Signature getSignature() {
return signature;
}
@Override
public MethodDefEntry translate(Translator translator, @Nullable EntryMapping mapping) {
MethodDescriptor translatedDesc = translator.translate(descriptor);
Signature translatedSignature = translator.translate(signature);
String translatedName = mapping != null ? mapping.getTargetName() : name;
AccessFlags translatedAccess = mapping != null ? mapping.getAccessModifier().transform(access) : access;
return new MethodDefEntry(parent, translatedName, translatedDesc, translatedSignature, translatedAccess);
}
@Override
public MethodDefEntry withName(String name) {
return new MethodDefEntry(parent, name, descriptor, signature, access);
}
@Override
public MethodDefEntry withParent(ClassEntry parent) {
return new MethodDefEntry(new ClassEntry(parent.getFullName()), name, descriptor, signature, access);
}
public int getArgumentIndex(ClassDefEntry ownerEntry, int localVariableIndex) {
int argumentIndex = localVariableIndex;
// Enum constructors have an implicit "name" and "ordinal" parameter as well as "this"
if (ownerEntry.getAccess().isEnum() && getName().startsWith("<")) {
argumentIndex -= 2;
}
// If we're not static, "this" is bound to index 0
if (!getAccess().isStatic()) {
argumentIndex -= 1;
}
return argumentIndex;
}
}
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