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/*
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* Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.graalvm.graphio;
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import java.io.Closeable;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.nio.Buffer;
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import java.nio.ByteBuffer;
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import java.nio.channels.WritableByteChannel;
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import java.nio.charset.Charset;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.LinkedHashMap;
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import java.util.LinkedList;
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import java.util.Map;
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import java.util.Objects;
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abstract class GraphProtocol<Graph, Node, NodeClass, Edges, Block, ResolvedJavaMethod, ResolvedJavaField, Signature, NodeSourcePosition, Location> implements Closeable {
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private static final Charset UTF8 = Charset.forName("UTF-8");
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private static final int CONSTANT_POOL_MAX_SIZE = 8000;
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private static final int BEGIN_GROUP = 0x00;
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private static final int BEGIN_GRAPH = 0x01;
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private static final int CLOSE_GROUP = 0x02;
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private static final int POOL_NEW = 0x00;
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private static final int POOL_STRING = 0x01;
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private static final int POOL_ENUM = 0x02;
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private static final int POOL_CLASS = 0x03;
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private static final int POOL_METHOD = 0x04;
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private static final int POOL_NULL = 0x05;
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private static final int POOL_NODE_CLASS = 0x06;
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private static final int POOL_FIELD = 0x07;
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private static final int POOL_SIGNATURE = 0x08;
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private static final int POOL_NODE_SOURCE_POSITION = 0x09;
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private static final int POOL_NODE = 0x0a;
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private static final int PROPERTY_POOL = 0x00;
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private static final int PROPERTY_INT = 0x01;
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private static final int PROPERTY_LONG = 0x02;
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private static final int PROPERTY_DOUBLE = 0x03;
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private static final int PROPERTY_FLOAT = 0x04;
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private static final int PROPERTY_TRUE = 0x05;
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private static final int PROPERTY_FALSE = 0x06;
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private static final int PROPERTY_ARRAY = 0x07;
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private static final int PROPERTY_SUBGRAPH = 0x08;
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private static final int KLASS = 0x00;
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private static final int ENUM_KLASS = 0x01;
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private static final byte[] MAGIC_BYTES = {'B', 'I', 'G', 'V'};
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private static final int MAJOR_VERSION = 6;
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private static final int MINOR_VERSION = 1;
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private final ConstantPool constantPool;
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private final ByteBuffer buffer;
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private final WritableByteChannel channel;
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private final boolean embedded;
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final int versionMajor;
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final int versionMinor;
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private boolean printing;
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/**
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* See {@code org.graalvm.compiler.serviceprovider.BufferUtil}.
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*/
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private static Buffer asBaseBuffer(Buffer obj) {
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return obj;
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}
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GraphProtocol(WritableByteChannel channel, int major, int minor, boolean embedded) throws IOException {
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if (major > MAJOR_VERSION || (major == MAJOR_VERSION && minor > MINOR_VERSION)) {
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throw new IllegalArgumentException("Unrecognized version " + major + "." + minor);
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}
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this.versionMajor = major;
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this.versionMinor = minor;
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this.constantPool = new ConstantPool();
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this.buffer = ByteBuffer.allocateDirect(256 * 1024);
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this.channel = channel;
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this.embedded = embedded;
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if (!embedded) {
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writeVersion();
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flushEmbedded();
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}
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}
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GraphProtocol(GraphProtocol<?, ?, ?, ?, ?, ?, ?, ?, ?, ?> parent) {
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this.versionMajor = parent.versionMajor;
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this.versionMinor = parent.versionMinor;
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this.constantPool = parent.constantPool;
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this.buffer = parent.buffer;
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this.channel = parent.channel;
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this.embedded = parent.embedded;
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}
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@SuppressWarnings("all")
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public final void print(Graph graph, Map<? extends Object, ? extends Object> properties, int id, String format, Object... args) throws IOException {
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printing = true;
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try {
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writeByte(BEGIN_GRAPH);
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if (versionMajor >= 3) {
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writeInt(id);
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writeString(format);
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writeInt(args.length);
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for (Object a : args) {
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writePropertyObject(graph, a);
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}
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} else {
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writePoolObject(formatTitle(graph, id, format, args));
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}
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writeGraph(graph, properties);
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flushEmbedded();
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flush();
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} finally {
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printing = false;
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}
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}
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public final void beginGroup(Graph noGraph, String name, String shortName, ResolvedJavaMethod method, int bci, Map<? extends Object, ? extends Object> properties) throws IOException {
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printing = true;
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try {
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writeByte(BEGIN_GROUP);
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writePoolObject(name);
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writePoolObject(shortName);
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writePoolObject(method);
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writeInt(bci);
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writeProperties(noGraph, properties);
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flushEmbedded();
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} finally {
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printing = false;
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}
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}
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public final void endGroup() throws IOException {
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printing = true;
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try {
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writeByte(CLOSE_GROUP);
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flushEmbedded();
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} finally {
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printing = false;
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}
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}
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final int write(ByteBuffer src) throws IOException {
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if (printing) {
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throw new IllegalStateException("Trying to write during graph print.");
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}
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constantPool.reset();
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return writeBytesRaw(src);
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}
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final boolean isOpen() {
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return channel.isOpen();
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}
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@Override
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public final void close() {
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try {
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flush();
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channel.close();
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} catch (IOException ex) {
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throw new Error(ex);
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}
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}
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protected abstract Graph findGraph(Graph current, Object obj);
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protected abstract ResolvedJavaMethod findMethod(Object obj);
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/**
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* Attempts to recognize the provided object as a node. Used to encode it with
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* {@link #POOL_NODE} pool type.
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*
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* @param obj any object
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* @return <code>null</code> if it is not a node object, non-null otherwise
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*/
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protected abstract Node findNode(Object obj);
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/**
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* Determines whether the provided object is node class or not.
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*
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* @param obj object to check
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* @return {@code null} if {@code obj} does not represent a NodeClass otherwise the NodeClass
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* represented by {@code obj}
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*/
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protected abstract NodeClass findNodeClass(Object obj);
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/**
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* Returns the NodeClass for a given Node {@code obj}.
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*
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* @param obj instance of node
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* @return non-{@code null} instance of the node's class object
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*/
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protected abstract NodeClass findClassForNode(Node obj);
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/**
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* Find a Java class. The returned object must be acceptable by
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* {@link #findJavaTypeName(java.lang.Object)} and return valid name for the class.
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*
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* @param clazz node class object
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* @return object representing the class, for example {@link Class}
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*/
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protected abstract Object findJavaClass(NodeClass clazz);
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protected abstract Object findEnumClass(Object enumValue);
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protected abstract String findNameTemplate(NodeClass clazz);
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protected abstract Edges findClassEdges(NodeClass nodeClass, boolean dumpInputs);
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protected abstract int findNodeId(Node n);
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protected abstract void findExtraNodes(Node node, Collection<? super Node> extraNodes);
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protected abstract boolean hasPredecessor(Node node);
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protected abstract int findNodesCount(Graph info);
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protected abstract Iterable<? extends Node> findNodes(Graph info);
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protected abstract void findNodeProperties(Node node, Map<String, Object> props, Graph info);
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protected abstract Collection<? extends Node> findBlockNodes(Graph info, Block block);
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protected abstract int findBlockId(Block sux);
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protected abstract Collection<? extends Block> findBlocks(Graph graph);
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protected abstract Collection<? extends Block> findBlockSuccessors(Block block);
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protected abstract String formatTitle(Graph graph, int id, String format, Object... args);
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protected abstract int findSize(Edges edges);
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protected abstract boolean isDirect(Edges edges, int i);
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protected abstract String findName(Edges edges, int i);
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protected abstract Object findType(Edges edges, int i);
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protected abstract Collection<? extends Node> findNodes(Graph graph, Node node, Edges edges, int i);
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protected abstract int findEnumOrdinal(Object obj);
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protected abstract String[] findEnumTypeValues(Object clazz);
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protected abstract String findJavaTypeName(Object obj);
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protected abstract byte[] findMethodCode(ResolvedJavaMethod method);
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protected abstract int findMethodModifiers(ResolvedJavaMethod method);
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protected abstract Signature findMethodSignature(ResolvedJavaMethod method);
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protected abstract String findMethodName(ResolvedJavaMethod method);
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protected abstract Object findMethodDeclaringClass(ResolvedJavaMethod method);
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protected abstract int findFieldModifiers(ResolvedJavaField field);
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protected abstract String findFieldTypeName(ResolvedJavaField field);
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protected abstract String findFieldName(ResolvedJavaField field);
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protected abstract Object findFieldDeclaringClass(ResolvedJavaField field);
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protected abstract ResolvedJavaField findJavaField(Object object);
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protected abstract Signature findSignature(Object object);
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protected abstract int findSignatureParameterCount(Signature signature);
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protected abstract String findSignatureParameterTypeName(Signature signature, int index);
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protected abstract String findSignatureReturnTypeName(Signature signature);
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protected abstract NodeSourcePosition findNodeSourcePosition(Object object);
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protected abstract ResolvedJavaMethod findNodeSourcePositionMethod(NodeSourcePosition pos);
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protected abstract NodeSourcePosition findNodeSourcePositionCaller(NodeSourcePosition pos);
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protected abstract int findNodeSourcePositionBCI(NodeSourcePosition pos);
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protected abstract Iterable<Location> findLocation(ResolvedJavaMethod method, int bci, NodeSourcePosition pos);
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protected abstract String findLocationFile(Location loc) throws IOException;
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protected abstract int findLocationLine(Location loc);
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protected abstract URI findLocationURI(Location loc) throws URISyntaxException;
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protected abstract String findLocationLanguage(Location loc);
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protected abstract int findLocationStart(Location loc);
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protected abstract int findLocationEnd(Location loc);
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private void writeVersion() throws IOException {
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writeBytesRaw(MAGIC_BYTES);
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writeByte(versionMajor);
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writeByte(versionMinor);
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}
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private void flushEmbedded() throws IOException {
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if (embedded) {
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flush();
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constantPool.reset();
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}
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}
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private void flush() throws IOException {
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55509
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asBaseBuffer(buffer).flip();
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/*
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* Try not to let interrupted threads abort the write. There's still a race here but an
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* interrupt that's been pending for a long time shouldn't stop this writing.
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*/
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boolean interrupted = Thread.interrupted();
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try {
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channel.write(buffer);
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} finally {
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if (interrupted) {
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Thread.currentThread().interrupt();
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}
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}
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buffer.compact();
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}
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private void ensureAvailable(int i) throws IOException {
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assert buffer.capacity() >= i : "Can not make " + i + " bytes available, buffer is too small";
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while (buffer.remaining() < i) {
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flush();
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}
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}
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private void writeByte(int b) throws IOException {
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ensureAvailable(1);
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buffer.put((byte) b);
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}
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private void writeInt(int b) throws IOException {
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ensureAvailable(4);
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buffer.putInt(b);
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}
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private void writeLong(long b) throws IOException {
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ensureAvailable(8);
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buffer.putLong(b);
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}
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private void writeDouble(double b) throws IOException {
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|
378 |
ensureAvailable(8);
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|
379 |
buffer.putDouble(b);
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}
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private void writeFloat(float b) throws IOException {
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|
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ensureAvailable(4);
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|
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buffer.putFloat(b);
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}
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private void writeShort(char b) throws IOException {
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|
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ensureAvailable(2);
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buffer.putChar(b);
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}
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private void writeString(String str) throws IOException {
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byte[] bytes = str.getBytes(UTF8);
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|
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writeBytes(bytes);
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|
395 |
}
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|
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private void writeBytes(byte[] b) throws IOException {
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|
398 |
if (b == null) {
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|
399 |
writeInt(-1);
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|
400 |
} else {
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|
401 |
writeInt(b.length);
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|
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writeBytesRaw(b);
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|
403 |
}
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|
404 |
}
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|
405 |
|
|
406 |
private void writeBytesRaw(byte[] b) throws IOException {
|
|
407 |
int bytesWritten = 0;
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|
408 |
while (bytesWritten < b.length) {
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|
409 |
int toWrite = Math.min(b.length - bytesWritten, buffer.capacity());
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|
410 |
ensureAvailable(toWrite);
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|
411 |
buffer.put(b, bytesWritten, toWrite);
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|
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bytesWritten += toWrite;
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|
413 |
}
|
|
414 |
}
|
|
415 |
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54084
|
416 |
private int writeBytesRaw(ByteBuffer b) throws IOException {
|
|
417 |
int limit = b.limit();
|
|
418 |
int written = 0;
|
|
419 |
while (b.position() < limit) {
|
|
420 |
int toWrite = Math.min(limit - b.position(), buffer.capacity());
|
|
421 |
ensureAvailable(toWrite);
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55509
|
422 |
asBaseBuffer(b).limit(b.position() + toWrite);
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54084
|
423 |
try {
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|
424 |
buffer.put(b);
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|
425 |
written += toWrite;
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|
426 |
} finally {
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55509
|
427 |
asBaseBuffer(b).limit(limit);
|
54084
|
428 |
}
|
|
429 |
}
|
|
430 |
return written;
|
|
431 |
}
|
|
432 |
|
46762
|
433 |
private void writeInts(int[] b) throws IOException {
|
|
434 |
if (b == null) {
|
|
435 |
writeInt(-1);
|
|
436 |
} else {
|
|
437 |
writeInt(b.length);
|
|
438 |
int sizeInBytes = b.length * 4;
|
|
439 |
ensureAvailable(sizeInBytes);
|
|
440 |
buffer.asIntBuffer().put(b);
|
55509
|
441 |
asBaseBuffer(buffer).position(buffer.position() + sizeInBytes);
|
46762
|
442 |
}
|
|
443 |
}
|
|
444 |
|
|
445 |
private void writeDoubles(double[] b) throws IOException {
|
|
446 |
if (b == null) {
|
|
447 |
writeInt(-1);
|
|
448 |
} else {
|
|
449 |
writeInt(b.length);
|
|
450 |
int sizeInBytes = b.length * 8;
|
|
451 |
ensureAvailable(sizeInBytes);
|
|
452 |
buffer.asDoubleBuffer().put(b);
|
55509
|
453 |
asBaseBuffer(buffer).position(buffer.position() + sizeInBytes);
|
46762
|
454 |
}
|
|
455 |
}
|
|
456 |
|
47798
|
457 |
private void writePoolObject(Object obj) throws IOException {
|
|
458 |
Object object = obj;
|
46762
|
459 |
if (object == null) {
|
|
460 |
writeByte(POOL_NULL);
|
|
461 |
return;
|
|
462 |
}
|
|
463 |
Character id = constantPool.get(object);
|
|
464 |
if (id == null) {
|
|
465 |
addPoolEntry(object);
|
|
466 |
} else {
|
49873
|
467 |
int type = findPoolType(object, null);
|
|
468 |
writeByte(type);
|
|
469 |
writeShort(id.charValue());
|
|
470 |
}
|
|
471 |
}
|
|
472 |
|
|
473 |
private int findPoolType(Object obj, Object[] found) throws IOException {
|
|
474 |
Object object = obj;
|
|
475 |
if (object == null) {
|
|
476 |
return POOL_NULL;
|
|
477 |
}
|
|
478 |
if (isFound(findJavaField(object), found)) {
|
|
479 |
return POOL_FIELD;
|
|
480 |
} else if (isFound(findSignature(object), found)) {
|
|
481 |
return POOL_SIGNATURE;
|
|
482 |
} else if (versionMajor >= 4 && isFound(findNodeSourcePosition(object), found)) {
|
|
483 |
return POOL_NODE_SOURCE_POSITION;
|
|
484 |
} else {
|
|
485 |
final Node node = findNode(object);
|
|
486 |
if (versionMajor == 4 && node != null) {
|
|
487 |
object = classForNode(node);
|
|
488 |
}
|
|
489 |
if (isFound(findNodeClass(object), found)) {
|
|
490 |
return POOL_NODE_CLASS;
|
|
491 |
} else if (versionMajor >= 5 && isFound(node, found)) {
|
|
492 |
return POOL_NODE;
|
|
493 |
} else if (isFound(findMethod(object), found)) {
|
|
494 |
return POOL_METHOD;
|
|
495 |
} else if (object instanceof Enum<?>) {
|
|
496 |
if (found != null) {
|
|
497 |
found[0] = ((Enum<?>) object).ordinal();
|
47798
|
498 |
}
|
49873
|
499 |
return POOL_ENUM;
|
|
500 |
} else {
|
|
501 |
int val = findEnumOrdinal(object);
|
|
502 |
if (val >= 0) {
|
|
503 |
if (found != null) {
|
|
504 |
found[0] = val;
|
|
505 |
}
|
|
506 |
return POOL_ENUM;
|
|
507 |
} else if (object instanceof Class<?>) {
|
|
508 |
if (found != null) {
|
|
509 |
found[0] = ((Class<?>) object).getName();
|
|
510 |
}
|
|
511 |
return POOL_CLASS;
|
|
512 |
} else if (isFound(findJavaTypeName(object), found)) {
|
|
513 |
return POOL_CLASS;
|
46762
|
514 |
} else {
|
49873
|
515 |
return POOL_STRING;
|
46762
|
516 |
}
|
|
517 |
}
|
|
518 |
}
|
|
519 |
}
|
|
520 |
|
|
521 |
private void writeGraph(Graph graph, Map<? extends Object, ? extends Object> properties) throws IOException {
|
|
522 |
writeProperties(graph, properties);
|
|
523 |
writeNodes(graph);
|
|
524 |
writeBlocks(findBlocks(graph), graph);
|
|
525 |
}
|
|
526 |
|
|
527 |
private void writeNodes(Graph info) throws IOException {
|
|
528 |
Map<String, Object> props = new HashMap<>();
|
|
529 |
|
|
530 |
final int size = findNodesCount(info);
|
|
531 |
writeInt(size);
|
|
532 |
int cnt = 0;
|
|
533 |
for (Node node : findNodes(info)) {
|
47798
|
534 |
NodeClass nodeClass = classForNode(node);
|
46762
|
535 |
findNodeProperties(node, props, info);
|
|
536 |
|
|
537 |
writeInt(findNodeId(node));
|
|
538 |
writePoolObject(nodeClass);
|
|
539 |
writeByte(hasPredecessor(node) ? 1 : 0);
|
|
540 |
writeProperties(info, props);
|
|
541 |
writeEdges(info, node, true);
|
|
542 |
writeEdges(info, node, false);
|
|
543 |
|
|
544 |
props.clear();
|
|
545 |
cnt++;
|
|
546 |
}
|
|
547 |
if (size != cnt) {
|
|
548 |
throw new IOException("Expecting " + size + " nodes, but found " + cnt);
|
|
549 |
}
|
|
550 |
}
|
|
551 |
|
|
552 |
private void writeEdges(Graph graph, Node node, boolean dumpInputs) throws IOException {
|
47798
|
553 |
NodeClass clazz = classForNode(node);
|
46762
|
554 |
Edges edges = findClassEdges(clazz, dumpInputs);
|
|
555 |
int size = findSize(edges);
|
|
556 |
for (int i = 0; i < size; i++) {
|
|
557 |
Collection<? extends Node> list = findNodes(graph, node, edges, i);
|
|
558 |
if (isDirect(edges, i)) {
|
|
559 |
if (list != null && list.size() != 1) {
|
|
560 |
throw new IOException("Edge " + i + " in " + edges + " is direct, but list isn't singleton: " + list);
|
|
561 |
}
|
|
562 |
Node n = null;
|
|
563 |
if (list != null && !list.isEmpty()) {
|
|
564 |
n = list.iterator().next();
|
|
565 |
}
|
|
566 |
writeNodeRef(n);
|
|
567 |
} else {
|
|
568 |
if (list == null) {
|
|
569 |
writeShort((char) 0);
|
|
570 |
} else {
|
|
571 |
int listSize = list.size();
|
|
572 |
assert listSize == ((char) listSize);
|
|
573 |
writeShort((char) listSize);
|
|
574 |
for (Node edge : list) {
|
|
575 |
writeNodeRef(edge);
|
|
576 |
}
|
|
577 |
}
|
|
578 |
}
|
|
579 |
}
|
|
580 |
}
|
|
581 |
|
47798
|
582 |
private NodeClass classForNode(Node node) throws IOException {
|
|
583 |
NodeClass clazz = findClassForNode(node);
|
|
584 |
if (clazz == null) {
|
|
585 |
throw new IOException("No class for " + node);
|
|
586 |
}
|
|
587 |
return clazz;
|
|
588 |
}
|
|
589 |
|
46762
|
590 |
private void writeNodeRef(Node node) throws IOException {
|
|
591 |
writeInt(findNodeId(node));
|
|
592 |
}
|
|
593 |
|
|
594 |
private void writeBlocks(Collection<? extends Block> blocks, Graph info) throws IOException {
|
|
595 |
if (blocks != null) {
|
|
596 |
for (Block block : blocks) {
|
|
597 |
Collection<? extends Node> nodes = findBlockNodes(info, block);
|
|
598 |
if (nodes == null) {
|
|
599 |
writeInt(0);
|
|
600 |
return;
|
|
601 |
}
|
|
602 |
}
|
|
603 |
writeInt(blocks.size());
|
|
604 |
for (Block block : blocks) {
|
|
605 |
Collection<? extends Node> nodes = findBlockNodes(info, block);
|
|
606 |
writeInt(findBlockId(block));
|
|
607 |
writeInt(nodes.size());
|
|
608 |
for (Node node : nodes) {
|
|
609 |
writeInt(findNodeId(node));
|
|
610 |
}
|
|
611 |
final Collection<? extends Block> successors = findBlockSuccessors(block);
|
|
612 |
writeInt(successors.size());
|
|
613 |
for (Block sux : successors) {
|
|
614 |
writeInt(findBlockId(sux));
|
|
615 |
}
|
|
616 |
}
|
|
617 |
} else {
|
|
618 |
writeInt(0);
|
|
619 |
}
|
|
620 |
}
|
|
621 |
|
|
622 |
private void writeEdgesInfo(NodeClass nodeClass, boolean dumpInputs) throws IOException {
|
|
623 |
Edges edges = findClassEdges(nodeClass, dumpInputs);
|
|
624 |
int size = findSize(edges);
|
|
625 |
writeShort((char) size);
|
|
626 |
for (int i = 0; i < size; i++) {
|
|
627 |
writeByte(isDirect(edges, i) ? 0 : 1);
|
|
628 |
writePoolObject(findName(edges, i));
|
|
629 |
if (dumpInputs) {
|
|
630 |
writePoolObject(findType(edges, i));
|
|
631 |
}
|
|
632 |
}
|
|
633 |
}
|
|
634 |
|
49873
|
635 |
@SuppressWarnings("unchecked")
|
47798
|
636 |
private void addPoolEntry(Object obj) throws IOException {
|
|
637 |
Object object = obj;
|
46762
|
638 |
char index = constantPool.add(object);
|
|
639 |
writeByte(POOL_NEW);
|
|
640 |
writeShort(index);
|
49873
|
641 |
|
|
642 |
Object[] found = {null};
|
|
643 |
int type = findPoolType(object, found);
|
|
644 |
writeByte(type);
|
|
645 |
switch (type) {
|
|
646 |
case POOL_FIELD: {
|
|
647 |
ResolvedJavaField field = (ResolvedJavaField) found[0];
|
54601
|
648 |
Objects.requireNonNull(field);
|
49873
|
649 |
writePoolObject(findFieldDeclaringClass(field));
|
|
650 |
writePoolObject(findFieldName(field));
|
|
651 |
writePoolObject(findFieldTypeName(field));
|
|
652 |
writeInt(findFieldModifiers(field));
|
|
653 |
break;
|
|
654 |
}
|
|
655 |
case POOL_SIGNATURE: {
|
|
656 |
Signature signature = (Signature) found[0];
|
|
657 |
int args = findSignatureParameterCount(signature);
|
|
658 |
writeShort((char) args);
|
|
659 |
for (int i = 0; i < args; i++) {
|
|
660 |
writePoolObject(findSignatureParameterTypeName(signature, i));
|
|
661 |
}
|
|
662 |
writePoolObject(findSignatureReturnTypeName(signature));
|
|
663 |
break;
|
46762
|
664 |
}
|
49873
|
665 |
case POOL_NODE_SOURCE_POSITION: {
|
|
666 |
NodeSourcePosition pos = (NodeSourcePosition) found[0];
|
54601
|
667 |
Objects.requireNonNull(pos);
|
49873
|
668 |
ResolvedJavaMethod method = findNodeSourcePositionMethod(pos);
|
|
669 |
writePoolObject(method);
|
|
670 |
final int bci = findNodeSourcePositionBCI(pos);
|
|
671 |
writeInt(bci);
|
|
672 |
Iterator<Location> ste = findLocation(method, bci, pos).iterator();
|
|
673 |
if (versionMajor >= 6) {
|
|
674 |
while (ste.hasNext()) {
|
|
675 |
Location loc = ste.next();
|
|
676 |
URI uri;
|
|
677 |
try {
|
|
678 |
uri = findLocationURI(loc);
|
|
679 |
} catch (URISyntaxException ex) {
|
|
680 |
throw new IOException(ex);
|
|
681 |
}
|
|
682 |
if (uri == null) {
|
50330
|
683 |
continue;
|
49873
|
684 |
}
|
|
685 |
String l = findLocationLanguage(loc);
|
|
686 |
if (l == null) {
|
|
687 |
continue;
|
|
688 |
}
|
|
689 |
writePoolObject(uri.toString());
|
|
690 |
writeString(l);
|
|
691 |
writeInt(findLocationLine(loc));
|
|
692 |
writeInt(findLocationStart(loc));
|
|
693 |
writeInt(findLocationEnd(loc));
|
|
694 |
}
|
|
695 |
writePoolObject(null);
|
|
696 |
} else {
|
|
697 |
Location first = ste.hasNext() ? ste.next() : null;
|
|
698 |
String fileName = first != null ? findLocationFile(first) : null;
|
|
699 |
if (fileName != null) {
|
|
700 |
writePoolObject(fileName);
|
|
701 |
writeInt(findLocationLine(first));
|
|
702 |
} else {
|
|
703 |
writePoolObject(null);
|
|
704 |
}
|
|
705 |
}
|
|
706 |
writePoolObject(findNodeSourcePositionCaller(pos));
|
|
707 |
break;
|
46762
|
708 |
}
|
49873
|
709 |
case POOL_NODE: {
|
|
710 |
Node node = (Node) found[0];
|
54601
|
711 |
Objects.requireNonNull(node);
|
49873
|
712 |
writeInt(findNodeId(node));
|
|
713 |
writePoolObject(classForNode(node));
|
|
714 |
break;
|
47798
|
715 |
}
|
49873
|
716 |
case POOL_NODE_CLASS: {
|
|
717 |
NodeClass nodeClass = (NodeClass) found[0];
|
46762
|
718 |
final Object clazz = findJavaClass(nodeClass);
|
|
719 |
if (versionMajor >= 3) {
|
|
720 |
writePoolObject(clazz);
|
|
721 |
writeString(findNameTemplate(nodeClass));
|
|
722 |
} else {
|
|
723 |
writeString(((Class<?>) clazz).getSimpleName());
|
|
724 |
String nameTemplate = findNameTemplate(nodeClass);
|
|
725 |
writeString(nameTemplate);
|
|
726 |
}
|
|
727 |
writeEdgesInfo(nodeClass, true);
|
|
728 |
writeEdgesInfo(nodeClass, false);
|
49873
|
729 |
break;
|
46762
|
730 |
}
|
49873
|
731 |
case POOL_CLASS: {
|
|
732 |
String typeName = (String) found[0];
|
54601
|
733 |
Objects.requireNonNull(typeName);
|
49873
|
734 |
writeString(typeName);
|
|
735 |
String[] enumValueNames = findEnumTypeValues(object);
|
|
736 |
if (enumValueNames != null) {
|
|
737 |
writeByte(ENUM_KLASS);
|
|
738 |
writeInt(enumValueNames.length);
|
|
739 |
for (String o : enumValueNames) {
|
|
740 |
writePoolObject(o);
|
47798
|
741 |
}
|
|
742 |
} else {
|
49873
|
743 |
writeByte(KLASS);
|
|
744 |
}
|
|
745 |
break;
|
|
746 |
}
|
|
747 |
case POOL_METHOD: {
|
|
748 |
ResolvedJavaMethod method = (ResolvedJavaMethod) found[0];
|
54601
|
749 |
Objects.requireNonNull(method);
|
49873
|
750 |
writePoolObject(findMethodDeclaringClass(method));
|
|
751 |
writePoolObject(findMethodName(method));
|
|
752 |
final Signature methodSignature = findMethodSignature(method);
|
|
753 |
if (findSignature(methodSignature) == null) {
|
|
754 |
throw new IOException("Should be recognized as signature: " + methodSignature + " for " + method);
|
47798
|
755 |
}
|
49873
|
756 |
writePoolObject(methodSignature);
|
|
757 |
writeInt(findMethodModifiers(method));
|
|
758 |
writeBytes(findMethodCode(method));
|
|
759 |
break;
|
46762
|
760 |
}
|
49873
|
761 |
case POOL_ENUM: {
|
|
762 |
int enumOrdinal = (int) found[0];
|
|
763 |
writePoolObject(findEnumClass(object));
|
|
764 |
writeInt(enumOrdinal);
|
|
765 |
break;
|
|
766 |
}
|
|
767 |
case POOL_STRING: {
|
|
768 |
writeString(object.toString());
|
|
769 |
break;
|
|
770 |
}
|
|
771 |
default:
|
|
772 |
throw new IllegalStateException();
|
46762
|
773 |
}
|
|
774 |
}
|
|
775 |
|
|
776 |
private void writePropertyObject(Graph graph, Object obj) throws IOException {
|
|
777 |
if (obj instanceof Integer) {
|
|
778 |
writeByte(PROPERTY_INT);
|
|
779 |
writeInt(((Integer) obj).intValue());
|
|
780 |
} else if (obj instanceof Long) {
|
|
781 |
writeByte(PROPERTY_LONG);
|
|
782 |
writeLong(((Long) obj).longValue());
|
|
783 |
} else if (obj instanceof Double) {
|
|
784 |
writeByte(PROPERTY_DOUBLE);
|
|
785 |
writeDouble(((Double) obj).doubleValue());
|
|
786 |
} else if (obj instanceof Float) {
|
|
787 |
writeByte(PROPERTY_FLOAT);
|
|
788 |
writeFloat(((Float) obj).floatValue());
|
|
789 |
} else if (obj instanceof Boolean) {
|
|
790 |
if (((Boolean) obj).booleanValue()) {
|
|
791 |
writeByte(PROPERTY_TRUE);
|
|
792 |
} else {
|
|
793 |
writeByte(PROPERTY_FALSE);
|
|
794 |
}
|
|
795 |
} else if (obj != null && obj.getClass().isArray()) {
|
|
796 |
Class<?> componentType = obj.getClass().getComponentType();
|
|
797 |
if (componentType.isPrimitive()) {
|
|
798 |
if (componentType == Double.TYPE) {
|
|
799 |
writeByte(PROPERTY_ARRAY);
|
|
800 |
writeByte(PROPERTY_DOUBLE);
|
|
801 |
writeDoubles((double[]) obj);
|
|
802 |
} else if (componentType == Integer.TYPE) {
|
|
803 |
writeByte(PROPERTY_ARRAY);
|
|
804 |
writeByte(PROPERTY_INT);
|
|
805 |
writeInts((int[]) obj);
|
|
806 |
} else {
|
|
807 |
writeByte(PROPERTY_POOL);
|
|
808 |
writePoolObject(obj);
|
|
809 |
}
|
|
810 |
} else {
|
|
811 |
writeByte(PROPERTY_ARRAY);
|
|
812 |
writeByte(PROPERTY_POOL);
|
|
813 |
Object[] array = (Object[]) obj;
|
|
814 |
writeInt(array.length);
|
|
815 |
for (Object o : array) {
|
|
816 |
writePoolObject(o);
|
|
817 |
}
|
|
818 |
}
|
|
819 |
} else {
|
|
820 |
Graph g = findGraph(graph, obj);
|
|
821 |
if (g == null) {
|
|
822 |
writeByte(PROPERTY_POOL);
|
|
823 |
writePoolObject(obj);
|
|
824 |
} else {
|
|
825 |
writeByte(PROPERTY_SUBGRAPH);
|
|
826 |
writeGraph(g, null);
|
|
827 |
}
|
|
828 |
}
|
|
829 |
}
|
|
830 |
|
|
831 |
private void writeProperties(Graph graph, Map<? extends Object, ? extends Object> props) throws IOException {
|
|
832 |
if (props == null) {
|
|
833 |
writeShort((char) 0);
|
|
834 |
return;
|
|
835 |
}
|
|
836 |
final int size = props.size();
|
|
837 |
// properties
|
|
838 |
writeShort((char) size);
|
|
839 |
int cnt = 0;
|
|
840 |
for (Map.Entry<? extends Object, ? extends Object> entry : props.entrySet()) {
|
|
841 |
String key = entry.getKey().toString();
|
|
842 |
writePoolObject(key);
|
|
843 |
writePropertyObject(graph, entry.getValue());
|
|
844 |
cnt++;
|
|
845 |
}
|
|
846 |
if (size != cnt) {
|
|
847 |
throw new IOException("Expecting " + size + " properties, but found only " + cnt);
|
|
848 |
}
|
|
849 |
}
|
|
850 |
|
49873
|
851 |
private static boolean isFound(Object obj, Object[] found) {
|
|
852 |
if (obj == null) {
|
|
853 |
return false;
|
|
854 |
}
|
|
855 |
if (found != null) {
|
|
856 |
found[0] = obj;
|
|
857 |
}
|
|
858 |
return true;
|
|
859 |
}
|
|
860 |
|
46762
|
861 |
private static final class ConstantPool extends LinkedHashMap<Object, Character> {
|
|
862 |
|
|
863 |
private final LinkedList<Character> availableIds;
|
|
864 |
private char nextId;
|
|
865 |
private static final long serialVersionUID = -2676889957907285681L;
|
|
866 |
|
|
867 |
ConstantPool() {
|
|
868 |
super(50, 0.65f);
|
|
869 |
availableIds = new LinkedList<>();
|
|
870 |
}
|
|
871 |
|
|
872 |
@Override
|
|
873 |
protected boolean removeEldestEntry(java.util.Map.Entry<Object, Character> eldest) {
|
|
874 |
if (size() > CONSTANT_POOL_MAX_SIZE) {
|
|
875 |
availableIds.addFirst(eldest.getValue());
|
|
876 |
return true;
|
|
877 |
}
|
|
878 |
return false;
|
|
879 |
}
|
|
880 |
|
|
881 |
private Character nextAvailableId() {
|
|
882 |
if (!availableIds.isEmpty()) {
|
|
883 |
return availableIds.removeFirst();
|
|
884 |
}
|
|
885 |
return nextId++;
|
|
886 |
}
|
|
887 |
|
|
888 |
public char add(Object obj) {
|
|
889 |
Character id = nextAvailableId();
|
|
890 |
put(obj, id);
|
|
891 |
return id;
|
|
892 |
}
|
54084
|
893 |
|
|
894 |
void reset() {
|
|
895 |
clear();
|
|
896 |
availableIds.clear();
|
|
897 |
nextId = 0;
|
|
898 |
}
|
46762
|
899 |
}
|
|
900 |
|
|
901 |
}
|