Mercurial > hg > truffle
view graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderConfiguration.java @ 19111:0b15114268c8
Draft for LoadFieldPlugin.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 04 Feb 2015 01:26:51 +0100 |
parents | a143c9cafe16 |
children | c2019f6e821b |
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/* * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.java; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.nodes.*; public class GraphBuilderConfiguration { private static final ResolvedJavaType[] EMPTY = new ResolvedJavaType[]{}; private final boolean eagerResolving; private final boolean omitAllExceptionEdges; private final ResolvedJavaType[] skippedExceptionTypes; private final DebugInfoMode debugInfoMode; private final boolean doLivenessAnalysis; private final boolean inlineTrivial; private GraphBuilderPlugins.LoadFieldPlugin loadFieldPlugin; public static enum DebugInfoMode { SafePointsOnly, /** * This mode inserts {@link SimpleInfopointNode}s in places where no safepoints would be * inserted: inlining boundaries, and line number switches. * <p> * In this mode the infopoint only have a location (method and bytecode index) and no * values. * <p> * This is useful to have better program counter to bci mapping and has no influence on the * generated code. However it can increase the amount of metadata and does not allow access * to accessing values at runtime. */ Simple, /** * In this mode, {@link FullInfopointNode}s are generated in the same locations as in * {@link #Simple} mode but the infopoints have access to the runtime values. * <p> * This is relevant when code is to be generated for native, machine-code level debugging * but can have a limit the amount of optimization applied to the code. */ Full, } protected GraphBuilderConfiguration(boolean eagerResolving, boolean omitAllExceptionEdges, DebugInfoMode debugInfoMode, ResolvedJavaType[] skippedExceptionTypes, boolean doLivenessAnalysis, boolean inlineTrivial) { this.eagerResolving = eagerResolving; this.omitAllExceptionEdges = omitAllExceptionEdges; this.debugInfoMode = debugInfoMode; this.skippedExceptionTypes = skippedExceptionTypes; this.doLivenessAnalysis = doLivenessAnalysis; this.inlineTrivial = inlineTrivial; } public GraphBuilderConfiguration copy() { GraphBuilderConfiguration result = new GraphBuilderConfiguration(eagerResolving, omitAllExceptionEdges, debugInfoMode, skippedExceptionTypes, doLivenessAnalysis, inlineTrivial); result.loadFieldPlugin = loadFieldPlugin; return result; } public GraphBuilderConfiguration withSkippedExceptionTypes(ResolvedJavaType[] newSkippedExceptionTypes) { return new GraphBuilderConfiguration(eagerResolving, omitAllExceptionEdges, debugInfoMode, newSkippedExceptionTypes, doLivenessAnalysis, inlineTrivial); } public GraphBuilderConfiguration withOmitAllExceptionEdges(boolean newOmitAllExceptionEdges) { return new GraphBuilderConfiguration(eagerResolving, newOmitAllExceptionEdges, debugInfoMode, skippedExceptionTypes, doLivenessAnalysis, inlineTrivial); } public GraphBuilderConfiguration withDebugInfoMode(DebugInfoMode newDebugInfoMode) { ResolvedJavaType[] newSkippedExceptionTypes = skippedExceptionTypes == EMPTY ? EMPTY : Arrays.copyOf(skippedExceptionTypes, skippedExceptionTypes.length); return new GraphBuilderConfiguration(eagerResolving, omitAllExceptionEdges, newDebugInfoMode, newSkippedExceptionTypes, doLivenessAnalysis, inlineTrivial); } public GraphBuilderConfiguration withDoLivenessAnalysis(boolean newLivenessAnalysis) { return new GraphBuilderConfiguration(eagerResolving, omitAllExceptionEdges, debugInfoMode, skippedExceptionTypes, newLivenessAnalysis, inlineTrivial); } public GraphBuilderConfiguration withInlineTrivial(boolean newInlineTrivial) { return new GraphBuilderConfiguration(eagerResolving, omitAllExceptionEdges, debugInfoMode, skippedExceptionTypes, doLivenessAnalysis, newInlineTrivial); } public GraphBuilderPlugins.LoadFieldPlugin getLoadFieldPlugin() { return loadFieldPlugin; } public void setLoadFieldPlugin(GraphBuilderPlugins.LoadFieldPlugin loadFieldPlugin) { this.loadFieldPlugin = loadFieldPlugin; } public ResolvedJavaType[] getSkippedExceptionTypes() { return skippedExceptionTypes; } public boolean eagerResolving() { return eagerResolving; } public boolean omitAllExceptionEdges() { return omitAllExceptionEdges; } public boolean insertNonSafepointDebugInfo() { return debugInfoMode.ordinal() >= DebugInfoMode.Simple.ordinal(); } public boolean insertFullDebugInfo() { return debugInfoMode.ordinal() >= DebugInfoMode.Full.ordinal(); } public boolean doLivenessAnalysis() { return doLivenessAnalysis; } public static GraphBuilderConfiguration getDefault() { return new GraphBuilderConfiguration(false, false, DebugInfoMode.SafePointsOnly, EMPTY, GraalOptions.OptLivenessAnalysis.getValue(), false); } public static GraphBuilderConfiguration getEagerDefault() { return new GraphBuilderConfiguration(true, false, DebugInfoMode.SafePointsOnly, EMPTY, GraalOptions.OptLivenessAnalysis.getValue(), false); } public static GraphBuilderConfiguration getSnippetDefault() { return new GraphBuilderConfiguration(true, true, DebugInfoMode.SafePointsOnly, EMPTY, GraalOptions.OptLivenessAnalysis.getValue(), false); } public static GraphBuilderConfiguration getFullDebugDefault() { return new GraphBuilderConfiguration(true, false, DebugInfoMode.Full, EMPTY, GraalOptions.OptLivenessAnalysis.getValue(), false); } /** * Returns {@code true} if it is an error for a class/field/method resolution to fail. The * default is the same result as returned by {@link #eagerResolving()}. However, it may be * overridden to allow failure even when {@link #eagerResolving} is {@code true}. */ public boolean unresolvedIsError() { return eagerResolving; } public boolean shouldInlineTrivial() { return inlineTrivial; } }