java-decompiler: post-import cleanup (classes moved)
This commit is contained in:
Roman Shevchenko
352
src/org/jetbrains/java/decompiler/struct/StructClass.java
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352
src/org/jetbrains/java/decompiler/struct/StructClass.java
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/*
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* Fernflower - The Analytical Java Decompiler
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* http://www.reversed-java.com
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*
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* (C) 2008 - 2010, Stiver
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*
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* This software is NEITHER public domain NOR free software
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* as per GNU License. See license.txt for more details.
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*
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* This software is distributed WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE.
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*/
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package org.jetbrains.java.decompiler.struct;
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import java.io.DataOutputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import org.jetbrains.java.decompiler.code.CodeConstants;
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import org.jetbrains.java.decompiler.struct.attr.StructGeneralAttribute;
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import org.jetbrains.java.decompiler.struct.consts.ConstantPool;
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import org.jetbrains.java.decompiler.struct.consts.PrimitiveConstant;
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import org.jetbrains.java.decompiler.struct.lazy.LazyLoader;
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import org.jetbrains.java.decompiler.util.DataInputFullStream;
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import org.jetbrains.java.decompiler.util.InterpreterUtil;
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import org.jetbrains.java.decompiler.util.VBStyleCollection;
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/*
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ClassFile {
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u4 magic;
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u2 minor_version;
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u2 major_version;
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u2 constant_pool_count;
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cp_info constant_pool[constant_pool_count-1];
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u2 access_flags;
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u2 this_class;
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u2 super_class;
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u2 interfaces_count;
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u2 interfaces[interfaces_count];
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u2 fields_count;
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field_info fields[fields_count];
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u2 methods_count;
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method_info methods[methods_count];
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u2 attributes_count;
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attribute_info attributes[attributes_count];
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}
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*/
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public class StructClass {
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// *****************************************************************************
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// public fields
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// *****************************************************************************
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public int minor_version;
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public int major_version;
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public int access_flags;
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public int this_class;
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public int super_class;
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public PrimitiveConstant thisClass;
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public PrimitiveConstant superClass;
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public String qualifiedName;
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// *****************************************************************************
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// private fields
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// *****************************************************************************
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private ConstantPool pool;
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private int[] interfaces;
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private String[] interfaceNames;
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private VBStyleCollection<StructField, String> fields = new VBStyleCollection<StructField, String>();
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private VBStyleCollection<StructMethod, String> methods = new VBStyleCollection<StructMethod, String>();
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private VBStyleCollection<StructGeneralAttribute, String> attributes = new VBStyleCollection<StructGeneralAttribute, String>();
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private boolean own = true;
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private LazyLoader loader;
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// *****************************************************************************
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// constructors
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// *****************************************************************************
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public StructClass(String filename, boolean own, LazyLoader loader) throws FileNotFoundException, IOException {
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this(new FileInputStream(filename), own, loader);
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}
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public StructClass(InputStream inStream, boolean own, LazyLoader loader) throws FileNotFoundException, IOException {
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this(new DataInputFullStream(inStream), own, loader);
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}
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public StructClass(DataInputFullStream inStream, boolean own, LazyLoader loader) throws FileNotFoundException, IOException {
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this.own = own;
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this.loader = loader;
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initStruct(inStream);
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}
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// *****************************************************************************
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// public methods
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// *****************************************************************************
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public boolean hasField(String name, String descriptor) {
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return getField(name, descriptor) != null;
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}
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public StructField getField(String name, String descriptor) {
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return fields.getWithKey(InterpreterUtil.makeUniqueKey(name, descriptor));
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}
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public StructMethod getMethod(String key) {
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return methods.getWithKey(key);
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}
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public StructMethod getMethod(String name, String descriptor) {
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return methods.getWithKey(InterpreterUtil.makeUniqueKey(name, descriptor));
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}
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public void writeToFile(File file) throws IOException {
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DataOutputStream out = new DataOutputStream(new FileOutputStream(file));
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writeToOutputStream(out);
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out.close();
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}
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public void writeToOutputStream(DataOutputStream out) throws IOException {
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out.writeInt(0xCAFEBABE);
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out.writeShort(minor_version);
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out.writeShort(major_version);
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getPool().writeToOutputStream(out);
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out.writeShort(access_flags);
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out.writeShort(this_class);
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out.writeShort(super_class);
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out.writeShort(interfaces.length);
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for(int i=0;i<interfaces.length;i++) {
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out.writeShort(interfaces[i]);
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}
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out.writeShort(fields.size());
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for(int i=0;i<fields.size();i++) {
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fields.get(i).writeToStream(out);
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}
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out.writeShort(methods.size());
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for(int i=0;i<methods.size();i++) {
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methods.get(i).writeToStream(out);
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}
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out.writeShort(attributes.size());
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for(StructGeneralAttribute attr: attributes) {
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attr.writeToStream(out);
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}
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}
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public String getInterface(int i) {
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return interfaceNames[i];
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}
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public void releaseResources() {
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if(loader != null) {
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pool = null;
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}
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}
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// *****************************************************************************
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// private methods
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// *****************************************************************************
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private void initStruct(DataInputFullStream in) throws IOException {
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in.skip(4);
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this.minor_version = in.readUnsignedShort();
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this.major_version = in.readUnsignedShort();
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pool = new ConstantPool(in);
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this.access_flags = in.readUnsignedShort();
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this_class = in.readUnsignedShort();
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thisClass = pool.getPrimitiveConstant(this_class);
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qualifiedName = thisClass.getString();
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super_class = in.readUnsignedShort();
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superClass = pool.getPrimitiveConstant(super_class);
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// interfaces
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int length = in.readUnsignedShort();
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int[] arrInterfaces = new int[length];
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String[] arrInterfaceNames = new String[length];
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for (int i = 0; i < length; i++) {
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arrInterfaces[i] = in.readUnsignedShort();
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arrInterfaceNames[i] = pool.getPrimitiveConstant(arrInterfaces[i]).getString();
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}
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this.interfaces = arrInterfaces;
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this.interfaceNames = arrInterfaceNames;
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// fields
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VBStyleCollection<StructField, String> lstFields = new VBStyleCollection<StructField, String>();
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length = in.readUnsignedShort();
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for (int i = 0; i < length; i++) {
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StructField field = new StructField();
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field.access_flags = in.readUnsignedShort();
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field.name_index = in.readUnsignedShort();
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field.descriptor_index = in.readUnsignedShort();
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field.initStrings(pool, this_class);
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field.setAttributes(readAttributes(in));
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lstFields.addWithKey(field, InterpreterUtil.makeUniqueKey(field.getName(), field.getDescriptor()));
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}
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this.fields = lstFields;
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// methods
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length = in.readUnsignedShort();
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for (int i = 0; i < length; i++) {
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StructMethod meth = new StructMethod(in, own, this);
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//if(qualifiedName.endsWith("JUnitStatusLine") && !meth.getName().equals("onProcessStarted") && !meth.getName().startsWith("access")) {
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//if(!meth.getName().equals("run")) {
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// continue;
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//}
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methods.addWithKey(meth, InterpreterUtil.makeUniqueKey(meth.getName(), meth.getDescriptor()));
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}
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// attributes
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this.attributes = readAttributes(in);
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// release memory
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if(loader != null) {
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pool = null;
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}
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}
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private VBStyleCollection<StructGeneralAttribute, String> readAttributes(DataInputFullStream in) throws IOException {
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VBStyleCollection<StructGeneralAttribute, String> lstAttribute = new VBStyleCollection<StructGeneralAttribute, String>();
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int length = in.readUnsignedShort();
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for (int i = 0; i < length; i++) {
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int attr_nameindex = in.readUnsignedShort();
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String attrname = pool.getPrimitiveConstant(attr_nameindex).getString();
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StructGeneralAttribute attr = StructGeneralAttribute.getMatchingAttributeInstance(attr_nameindex, attrname);
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if(attr != null) {
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byte[] arr = new byte[in.readInt()];
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in.readFull(arr);
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attr.setInfo(arr);
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attr.initContent(pool);
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lstAttribute.addWithKey(attr, attr.getName());
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} else {
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in.skip(in.readInt());
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}
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}
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return lstAttribute;
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}
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// *****************************************************************************
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// getter and setter methods
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// *****************************************************************************
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public ConstantPool getPool() {
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if(pool == null && loader != null) {
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pool = loader.loadPool(qualifiedName);
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}
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return pool;
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}
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public int[] getInterfaces() {
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return interfaces;
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}
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public String[] getInterfaceNames() {
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return interfaceNames;
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}
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public VBStyleCollection<StructMethod, String> getMethods() {
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return methods;
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}
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public VBStyleCollection<StructField, String> getFields() {
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return fields;
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}
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public VBStyleCollection<StructGeneralAttribute, String> getAttributes() {
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return attributes;
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}
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public boolean isOwn() {
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return own;
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}
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public LazyLoader getLoader() {
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return loader;
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}
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public boolean isVersionGE_1_5() {
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return (major_version > 48 || (major_version == 48 && minor_version > 0)); // FIXME: check second condition
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}
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public boolean isVersionGE_1_7() {
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return (major_version >= 51);
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}
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public int getBytecodeVersion() {
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switch(major_version) {
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case 52:
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return CodeConstants.BYTECODE_JAVA_8;
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case 51:
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return CodeConstants.BYTECODE_JAVA_7;
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case 50:
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return CodeConstants.BYTECODE_JAVA_6;
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case 49:
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return CodeConstants.BYTECODE_JAVA_5;
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}
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return CodeConstants.BYTECODE_JAVA_LE_4;
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}
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}
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