/*
* Decompiler.java
*
* Copyright (c) 2013 Mike Strobel
*
* This source code is based on Mono.Cecil from Jb Evain, Copyright (c) Jb Evain;
* and ILSpy/ICSharpCode from SharpDevelop, Copyright (c) AlphaSierraPapa.
*
* This source code is subject to terms and conditions of the Apache License, Version 2.0.
* A copy of the license can be found in the License.html file at the root of this distribution.
* By using this source code in any fashion, you are agreeing to be bound by the terms of the
* Apache License, Version 2.0.
*
* You must not remove this notice, or any other, from this software.
*/
package com.strobel.decompiler;
import com.strobel.assembler.metadata.ClasspathTypeLoader;
import com.strobel.assembler.metadata.IMetadataResolver;
import com.strobel.assembler.metadata.ITypeLoader;
import com.strobel.assembler.metadata.MetadataParser;
import com.strobel.assembler.metadata.MetadataSystem;
import com.strobel.assembler.metadata.TypeDefinition;
import com.strobel.assembler.metadata.TypeReference;
import com.strobel.core.VerifyArgument;
import com.strobel.decompiler.languages.java.JavaFormattingOptions;
public final class Decompiler {
public static void decompile(final String internalName, final ITextOutput output) {
decompile(internalName, output, new DecompilerSettings());
}
public static void decompile(final String internalName, final ITextOutput output, final DecompilerSettings settings) {
VerifyArgument.notNull(internalName, "internalName");
VerifyArgument.notNull(settings, "settings");
final ITypeLoader typeLoader = settings.getTypeLoader() != null ? settings.getTypeLoader() : new ClasspathTypeLoader();
final MetadataSystem metadataSystem = new MetadataSystem(typeLoader);
final TypeReference type;
if (internalName.length() == 1) {
//
// Hack to get around classes whose descriptors clash with primitive types.
//
final MetadataParser parser = new MetadataParser(IMetadataResolver.EMPTY);
final TypeReference reference = parser.parseTypeDescriptor(internalName);
type = metadataSystem.resolve(reference);
}
else {
type = metadataSystem.lookupType(internalName);
}
final TypeDefinition resolvedType;
if (type == null || (resolvedType = type.resolve()) == null) {
output.writeLine("!!! ERROR: Failed to load class %s.", internalName);
return;
}
final DecompilationOptions options = new DecompilationOptions();
options.setSettings(settings);
options.setFullDecompilation(true);
if (settings.getFormattingOptions() == null) {
settings.setFormattingOptions(JavaFormattingOptions.createDefault());
}
settings.getLanguage().decompileType(resolvedType, output, options);
}
}