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IDEA-184560 Java decompiler doesn't use stored parameter names

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This commit is contained in:
Egor Ushakov
2018-01-10 16:28:43 +03:00
parent 023bb2462a
commit 8b9687ed20
15 changed files with 279 additions and 7 deletions
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25
src/org/jetbrains/java/decompiler/main/ClassWriter.java
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@@ -1,5 +1,5 @@
/*
* 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.
* Copyright 2000-2018 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;
@@ -697,6 +697,15 @@ public class ClassWriter {
}
}
List<StructMethodParametersAttribute.Entry> methodParameters = null;
if (DecompilerContext.getOption(IFernflowerPreferences.USE_METHOD_PARAMETERS)) {
StructMethodParametersAttribute attr =
(StructMethodParametersAttribute)mt.getAttribute(StructGeneralAttribute.ATTRIBUTE_METHOD_PARAMETERS);
if (attr != null) {
methodParameters = attr.getEntries();
}
}
int index = isEnum && init ? 3 : thisVar ? 1 : 0;
int start = isEnum && init ? 2 : 0;
for (int i = start; i < md.params.length; i++) {
@@ -707,7 +716,10 @@ public class ClassWriter {
appendParameterAnnotations(buffer, mt, paramCount);
if (methodWrapper.varproc.getVarFinal(new VarVersionPair(index, 0)) == VarTypeProcessor.VAR_EXPLICIT_FINAL) {
if (methodParameters != null && paramCount < methodParameters.size()) {
appendModifiers(buffer, methodParameters.get(paramCount).myAccessFlags, CodeConstants.ACC_FINAL, isInterface, 0);
}
else if (methodWrapper.varproc.getVarFinal(new VarVersionPair(index, 0)) == VarTypeProcessor.VAR_EXPLICIT_FINAL) {
buffer.append("final ");
}
@@ -741,7 +753,14 @@ public class ClassWriter {
}
buffer.append(' ');
String parameterName = methodWrapper.varproc.getVarName(new VarVersionPair(index, 0));
String parameterName;
if (methodParameters != null && paramCount < methodParameters.size()) {
parameterName = methodParameters.get(paramCount).myName;
}
else {
parameterName = methodWrapper.varproc.getVarName(new VarVersionPair(index, 0));
}
buffer.append(parameterName == null ? "param" + index : parameterName); // null iff decompiled with errors
paramCount++;