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fernflower/src/org/jetbrains/java/decompiler/main/EnumProcessor.java

58 lines
2.6 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.main;
import org.jetbrains.java.decompiler.code.CodeConstants;
import org.jetbrains.java.decompiler.main.rels.ClassWrapper;
import org.jetbrains.java.decompiler.main.rels.MethodWrapper;
import org.jetbrains.java.decompiler.modules.decompiler.exps.Exprent;
import org.jetbrains.java.decompiler.modules.decompiler.exps.InvocationExprent;
import org.jetbrains.java.decompiler.modules.decompiler.stats.Statement;
import org.jetbrains.java.decompiler.modules.decompiler.stats.Statements;
import org.jetbrains.java.decompiler.struct.StructClass;
import org.jetbrains.java.decompiler.struct.StructField;
import org.jetbrains.java.decompiler.struct.StructMethod;
import org.jetbrains.java.decompiler.util.InterpreterUtil;
public class EnumProcessor {
public static void clearEnum(ClassWrapper wrapper) {
StructClass cl = wrapper.getClassStruct();
// hide values/valueOf methods and super() invocations
for (MethodWrapper method : wrapper.getMethods()) {
StructMethod mt = method.methodStruct;
String name = mt.getName();
String descriptor = mt.getDescriptor();
if ("values".equals(name)) {
if (descriptor.equals("()[L" + cl.qualifiedName + ";")) {
wrapper.getHiddenMembers().add(InterpreterUtil.makeUniqueKey(name, descriptor));
}
}
else if ("valueOf".equals(name)) {
if (descriptor.equals("(Ljava/lang/String;)L" + cl.qualifiedName + ";")) {
wrapper.getHiddenMembers().add(InterpreterUtil.makeUniqueKey(name, descriptor));
}
}
else if (CodeConstants.INIT_NAME.equals(name)) {
Statement firstData = Statements.findFirstData(method.root);
if (firstData != null && !firstData.getExprents().isEmpty()) {
Exprent exprent = firstData.getExprents().get(0);
if (exprent.type == Exprent.EXPRENT_INVOCATION) {
InvocationExprent invExpr = (InvocationExprent)exprent;
if (Statements.isInvocationInitConstructor(invExpr, method, wrapper, false)) {
firstData.getExprents().remove(0);
}
}
}
}
}
// hide synthetic fields of enum and it's constants
for (StructField fd : cl.getFields()) {
String descriptor = fd.getDescriptor();
if (fd.isSynthetic() && descriptor.equals("[L" + cl.qualifiedName + ";")) {
wrapper.getHiddenMembers().add(InterpreterUtil.makeUniqueKey(fd.getName(), descriptor));
}
}
}
}