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/*
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* Copyright (c) 2011, 2016, 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.compiler.nodes.graphbuilderconf;
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import java.util.Arrays;
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import org.graalvm.compiler.core.common.type.StampPair;
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import jdk.vm.ci.meta.JavaType;
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import jdk.vm.ci.meta.ResolvedJavaType;
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public class GraphBuilderConfiguration {
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public static class Plugins {
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private final InvocationPlugins invocationPlugins;
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private NodePlugin[] nodePlugins;
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private ParameterPlugin[] parameterPlugins;
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private TypePlugin[] typePlugins;
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private InlineInvokePlugin[] inlineInvokePlugins;
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private LoopExplosionPlugin loopExplosionPlugin;
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private ClassInitializationPlugin classInitializationPlugin;
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private ProfilingPlugin profilingPlugin;
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/**
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* Creates a copy of a given set of plugins. The {@link InvocationPlugins} in
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* {@code copyFrom} become the {@linkplain InvocationPlugins#getParent() default}
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* {@linkplain #getInvocationPlugins() invocation plugins} in this object.
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*/
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public Plugins(Plugins copyFrom) {
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this.invocationPlugins = new InvocationPlugins(copyFrom.invocationPlugins);
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this.nodePlugins = copyFrom.nodePlugins;
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this.parameterPlugins = copyFrom.parameterPlugins;
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this.typePlugins = copyFrom.typePlugins;
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this.inlineInvokePlugins = copyFrom.inlineInvokePlugins;
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this.loopExplosionPlugin = copyFrom.loopExplosionPlugin;
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this.classInitializationPlugin = copyFrom.classInitializationPlugin;
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this.profilingPlugin = copyFrom.profilingPlugin;
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}
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/**
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* Creates a new set of plugins.
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*
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* @param invocationPlugins the {@linkplain #getInvocationPlugins() invocation plugins} in
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* this object
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*/
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public Plugins(InvocationPlugins invocationPlugins) {
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this.invocationPlugins = invocationPlugins;
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this.nodePlugins = new NodePlugin[0];
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this.parameterPlugins = new ParameterPlugin[0];
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this.typePlugins = new TypePlugin[0];
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this.inlineInvokePlugins = new InlineInvokePlugin[0];
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}
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public InvocationPlugins getInvocationPlugins() {
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return invocationPlugins;
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}
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public NodePlugin[] getNodePlugins() {
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return nodePlugins;
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}
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public void appendNodePlugin(NodePlugin plugin) {
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nodePlugins = Arrays.copyOf(nodePlugins, nodePlugins.length + 1);
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nodePlugins[nodePlugins.length - 1] = plugin;
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}
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public void prependNodePlugin(NodePlugin plugin) {
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NodePlugin[] newPlugins = new NodePlugin[nodePlugins.length + 1];
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System.arraycopy(nodePlugins, 0, newPlugins, 1, nodePlugins.length);
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newPlugins[0] = plugin;
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nodePlugins = newPlugins;
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}
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public void clearNodePlugin() {
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nodePlugins = new NodePlugin[0];
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}
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public ParameterPlugin[] getParameterPlugins() {
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return parameterPlugins;
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}
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public void appendParameterPlugin(ParameterPlugin plugin) {
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parameterPlugins = Arrays.copyOf(parameterPlugins, parameterPlugins.length + 1);
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parameterPlugins[parameterPlugins.length - 1] = plugin;
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}
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public void prependParameterPlugin(ParameterPlugin plugin) {
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ParameterPlugin[] newPlugins = new ParameterPlugin[parameterPlugins.length + 1];
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System.arraycopy(parameterPlugins, 0, newPlugins, 1, parameterPlugins.length);
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newPlugins[0] = plugin;
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parameterPlugins = newPlugins;
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}
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public TypePlugin[] getTypePlugins() {
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return typePlugins;
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}
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public void appendTypePlugin(TypePlugin plugin) {
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typePlugins = Arrays.copyOf(typePlugins, typePlugins.length + 1);
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typePlugins[typePlugins.length - 1] = plugin;
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}
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public void prependTypePlugin(TypePlugin plugin) {
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TypePlugin[] newPlugins = new TypePlugin[typePlugins.length + 1];
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System.arraycopy(typePlugins, 0, newPlugins, 1, typePlugins.length);
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newPlugins[0] = plugin;
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typePlugins = newPlugins;
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}
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public void clearParameterPlugin() {
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parameterPlugins = new ParameterPlugin[0];
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}
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public InlineInvokePlugin[] getInlineInvokePlugins() {
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return inlineInvokePlugins;
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}
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public void appendInlineInvokePlugin(InlineInvokePlugin plugin) {
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inlineInvokePlugins = Arrays.copyOf(inlineInvokePlugins, inlineInvokePlugins.length + 1);
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inlineInvokePlugins[inlineInvokePlugins.length - 1] = plugin;
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}
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public void prependInlineInvokePlugin(InlineInvokePlugin plugin) {
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InlineInvokePlugin[] newPlugins = new InlineInvokePlugin[inlineInvokePlugins.length + 1];
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System.arraycopy(inlineInvokePlugins, 0, newPlugins, 1, inlineInvokePlugins.length);
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newPlugins[0] = plugin;
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inlineInvokePlugins = newPlugins;
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}
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public void clearInlineInvokePlugins() {
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inlineInvokePlugins = new InlineInvokePlugin[0];
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}
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public LoopExplosionPlugin getLoopExplosionPlugin() {
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return loopExplosionPlugin;
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}
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public void setLoopExplosionPlugin(LoopExplosionPlugin plugin) {
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this.loopExplosionPlugin = plugin;
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}
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public ClassInitializationPlugin getClassInitializationPlugin() {
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return classInitializationPlugin;
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}
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public void setClassInitializationPlugin(ClassInitializationPlugin plugin) {
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this.classInitializationPlugin = plugin;
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}
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public ProfilingPlugin getProfilingPlugin() {
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return profilingPlugin;
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}
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public void setProfilingPlugin(ProfilingPlugin plugin) {
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this.profilingPlugin = plugin;
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}
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public StampPair getOverridingStamp(GraphBuilderTool b, JavaType type, boolean nonNull) {
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for (TypePlugin plugin : getTypePlugins()) {
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StampPair stamp = plugin.interceptType(b, type, nonNull);
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if (stamp != null) {
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return stamp;
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}
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}
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return null;
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}
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}
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private static final ResolvedJavaType[] EMPTY = new ResolvedJavaType[]{};
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private final boolean eagerResolving;
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private final BytecodeExceptionMode bytecodeExceptionMode;
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private final boolean omitAssertions;
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private final ResolvedJavaType[] skippedExceptionTypes;
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private final boolean insertFullInfopoints;
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private final boolean trackNodeSourcePosition;
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private final Plugins plugins;
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public enum BytecodeExceptionMode {
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/**
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* This mode always explicitly checks for exceptions.
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*/
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CheckAll,
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/**
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* This mode omits all explicit exception edges.
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*/
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OmitAll,
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/**
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* This mode omits exception edges at invokes, but not for implicit null checks or bounds
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* checks.
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*/
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ExplicitOnly,
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/**
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* This mode uses profiling information to decide whether to use explicit exception edges.
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*/
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Profile
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}
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protected GraphBuilderConfiguration(boolean eagerResolving, BytecodeExceptionMode bytecodeExceptionMode, boolean omitAssertions, boolean insertFullInfopoints,
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boolean trackNodeSourcePosition, ResolvedJavaType[] skippedExceptionTypes,
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Plugins plugins) {
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this.eagerResolving = eagerResolving;
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this.bytecodeExceptionMode = bytecodeExceptionMode;
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this.omitAssertions = omitAssertions;
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this.insertFullInfopoints = insertFullInfopoints;
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this.trackNodeSourcePosition = trackNodeSourcePosition;
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this.skippedExceptionTypes = skippedExceptionTypes;
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this.plugins = plugins;
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}
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/**
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* Creates a copy of this configuration with all its plugins. The {@link InvocationPlugins} in
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* this configuration become the {@linkplain InvocationPlugins#getParent() parent} of the
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* {@link InvocationPlugins} in the copy.
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*/
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public GraphBuilderConfiguration copy() {
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Plugins newPlugins = new Plugins(plugins);
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GraphBuilderConfiguration result = new GraphBuilderConfiguration(eagerResolving, bytecodeExceptionMode, omitAssertions, insertFullInfopoints, trackNodeSourcePosition, skippedExceptionTypes,
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newPlugins);
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return result;
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}
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public GraphBuilderConfiguration withEagerResolving(boolean newEagerResolving) {
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return new GraphBuilderConfiguration(newEagerResolving, bytecodeExceptionMode, omitAssertions, insertFullInfopoints, trackNodeSourcePosition, skippedExceptionTypes, plugins);
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}
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public GraphBuilderConfiguration withSkippedExceptionTypes(ResolvedJavaType[] newSkippedExceptionTypes) {
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return new GraphBuilderConfiguration(eagerResolving, bytecodeExceptionMode, omitAssertions, insertFullInfopoints, trackNodeSourcePosition, newSkippedExceptionTypes, plugins);
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}
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public GraphBuilderConfiguration withBytecodeExceptionMode(BytecodeExceptionMode newBytecodeExceptionMode) {
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return new GraphBuilderConfiguration(eagerResolving, newBytecodeExceptionMode, omitAssertions, insertFullInfopoints, trackNodeSourcePosition, skippedExceptionTypes, plugins);
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}
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public GraphBuilderConfiguration withOmitAssertions(boolean newOmitAssertions) {
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return new GraphBuilderConfiguration(eagerResolving, bytecodeExceptionMode, newOmitAssertions, insertFullInfopoints, trackNodeSourcePosition, skippedExceptionTypes, plugins);
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}
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public GraphBuilderConfiguration withFullInfopoints(boolean newInsertFullInfopoints) {
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ResolvedJavaType[] newSkippedExceptionTypes = skippedExceptionTypes == EMPTY ? EMPTY : Arrays.copyOf(skippedExceptionTypes, skippedExceptionTypes.length);
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return new GraphBuilderConfiguration(eagerResolving, bytecodeExceptionMode, omitAssertions, newInsertFullInfopoints, trackNodeSourcePosition, newSkippedExceptionTypes, plugins);
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}
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public GraphBuilderConfiguration withNodeSourcePosition(boolean newTrackNodeSourcePosition) {
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ResolvedJavaType[] newSkippedExceptionTypes = skippedExceptionTypes == EMPTY ? EMPTY : Arrays.copyOf(skippedExceptionTypes, skippedExceptionTypes.length);
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return new GraphBuilderConfiguration(eagerResolving, bytecodeExceptionMode, omitAssertions, insertFullInfopoints, newTrackNodeSourcePosition, newSkippedExceptionTypes, plugins);
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}
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public ResolvedJavaType[] getSkippedExceptionTypes() {
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return skippedExceptionTypes;
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}
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public boolean eagerResolving() {
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return eagerResolving;
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}
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public BytecodeExceptionMode getBytecodeExceptionMode() {
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return bytecodeExceptionMode;
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}
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public boolean omitAssertions() {
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return omitAssertions;
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}
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public boolean trackNodeSourcePosition() {
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return trackNodeSourcePosition;
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}
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public boolean insertFullInfopoints() {
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return insertFullInfopoints;
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}
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public static GraphBuilderConfiguration getDefault(Plugins plugins) {
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return new GraphBuilderConfiguration(false, BytecodeExceptionMode.Profile, false, false, false, EMPTY, plugins);
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}
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public static GraphBuilderConfiguration getSnippetDefault(Plugins plugins) {
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return new GraphBuilderConfiguration(true, BytecodeExceptionMode.OmitAll, false, false, false, EMPTY, plugins);
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}
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/**
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* Returns {@code true} if it is an error for a class/field/method resolution to fail. The
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* default is the same result as returned by {@link #eagerResolving()}. However, it may be
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* overridden to allow failure even when {@link #eagerResolving} is {@code true}.
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*/
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public boolean unresolvedIsError() {
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return eagerResolving;
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}
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public Plugins getPlugins() {
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return plugins;
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}
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}
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