author | sundar |
Wed, 02 Nov 2016 10:49:15 +0530 | |
changeset 41831 | 2dd91b18195b |
parent 40681 | 87d3f0e6a51f |
child 43837 | 51a9f82cff03 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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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 jdk.tools.jlink.internal.plugins; |
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|
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import java.io.File; |
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import java.io.IOException; |
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import java.lang.invoke.MethodType; |
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import java.nio.file.Files; |
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import java.util.ArrayList; |
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import java.util.EnumSet; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.TreeMap; |
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import java.util.TreeSet; |
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import java.util.stream.Collectors; |
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import java.util.stream.Stream; |
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import jdk.internal.misc.SharedSecrets; |
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import jdk.internal.misc.JavaLangInvokeAccess; |
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import jdk.tools.jlink.plugin.ResourcePoolEntry; |
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import jdk.tools.jlink.plugin.PluginException; |
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import jdk.tools.jlink.plugin.ResourcePool; |
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import jdk.tools.jlink.plugin.ResourcePoolBuilder; |
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import jdk.tools.jlink.plugin.Plugin; |
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/** |
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* Plugin to generate java.lang.invoke classes. |
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*/ |
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public final class GenerateJLIClassesPlugin implements Plugin { |
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private static final String NAME = "generate-jli-classes"; |
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|
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private static final String DESCRIPTION = PluginsResourceBundle.getDescription(NAME); |
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private static final String DIRECT_HOLDER = "java/lang/invoke/DirectMethodHandle$Holder"; |
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private static final String DMH_INVOKE_VIRTUAL = "invokeVirtual"; |
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private static final String DMH_INVOKE_STATIC = "invokeStatic"; |
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private static final String DMH_INVOKE_SPECIAL = "invokeSpecial"; |
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private static final String DMH_NEW_INVOKE_SPECIAL = "newInvokeSpecial"; |
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private static final String DMH_INVOKE_INTERFACE = "invokeInterface"; |
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private static final String DMH_INVOKE_STATIC_INIT = "invokeStaticInit"; |
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private static final String DELEGATING_HOLDER = "java/lang/invoke/DelegatingMethodHandle$Holder"; |
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private static final String BASIC_FORMS_HOLDER = "java/lang/invoke/LambdaForm$Holder"; |
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private static final String INVOKERS_HOLDER = "java/lang/invoke/Invokers$Holder"; |
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|
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private static final JavaLangInvokeAccess JLIA |
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= SharedSecrets.getJavaLangInvokeAccess(); |
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Set<String> speciesTypes; |
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|
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Set<String> invokerTypes; |
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|
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Map<String, Set<String>> dmhMethods; |
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public GenerateJLIClassesPlugin() { |
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} |
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@Override |
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public String getName() { |
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return NAME; |
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} |
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@Override |
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public String getDescription() { |
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return DESCRIPTION; |
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} |
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@Override |
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public Set<State> getState() { |
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return EnumSet.of(State.AUTO_ENABLED, State.FUNCTIONAL); |
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} |
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@Override |
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public boolean hasArguments() { |
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return true; |
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} |
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@Override |
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public String getArgumentsDescription() { |
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return PluginsResourceBundle.getArgument(NAME); |
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} |
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/** |
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* @return the default Species forms to generate. |
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* |
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* This list was derived from running a small startup benchmark. |
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* A better long-term solution is to define and run a set of quick |
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* generators and extracting this list as a step in the build process. |
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*/ |
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public static Set<String> defaultSpecies() { |
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return Set.of("LL", "L3", "L4", "L5", "L6", "L7", "L7I", |
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"L7II", "L7IIL", "L8", "L9", "L10", "L10I", "L10II", "L10IIL", |
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"L11", "L12", "L13", "LI", "D", "L3I", "LIL", "LLI", "LLIL", |
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"LILL", "I", "LLILL"); |
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} |
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/** |
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* @return the default invoker forms to generate. |
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*/ |
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private static Set<String> defaultInvokers() { |
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return Set.of("LL_L", "LL_I", "LILL_I", "L6_L"); |
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} |
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126 |
|
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/** |
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* @return the list of default DirectMethodHandle methods to generate. |
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*/ |
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private static Map<String, Set<String>> defaultDMHMethods() { |
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return Map.of( |
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DMH_INVOKE_VIRTUAL, Set.of("L_L", "LL_L", "LLI_I", "L3_V"), |
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DMH_INVOKE_SPECIAL, Set.of("LL_I", "LL_L", "LLF_L", "LLD_L", "L3_L", |
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"L4_L", "L5_L", "L6_L", "L7_L", "L8_L", "LLI_I", "LLI_L", |
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"LLIL_I", "LLII_I", "LLII_L", "L3I_L", "L3I_I", "LLILI_I", |
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"LLIIL_L", "LLIILL_L", "LLIILL_I", "LLIIL_I", "LLILIL_I", |
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"LLILILL_I", "LLILII_I", "LLI3_I", "LLI3L_I", "LLI3LL_I", |
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"LLI3_L", "LLI4_I"), |
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DMH_INVOKE_STATIC, Set.of("LII_I", "LIL_I", "LILIL_I", "LILII_I", |
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"L_I", "L_L", "L_V", "LD_L", "LF_L", "LI_I", "LII_L", "LLI_L", |
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"LL_V", "LL_L", "L3_L", "L4_L", "L5_L", "L6_L", "L7_L", |
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"L8_L", "L9_L", "L10_L", "L10I_L", "L10II_L", "L10IIL_L", |
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"L11_L", "L12_L", "L13_L", "L14_L", "L14I_L", "L14II_L") |
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); |
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} |
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146 |
|
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// Map from DirectMethodHandle method type to internal ID |
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private static final Map<String, Integer> DMH_METHOD_TYPE_MAP = |
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Map.of( |
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DMH_INVOKE_VIRTUAL, 0, |
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DMH_INVOKE_STATIC, 1, |
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DMH_INVOKE_SPECIAL, 2, |
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DMH_NEW_INVOKE_SPECIAL, 3, |
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DMH_INVOKE_INTERFACE, 4, |
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DMH_INVOKE_STATIC_INIT, 5 |
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156 |
); |
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157 |
|
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158 |
@Override |
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public void configure(Map<String, String> config) { |
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String mainArgument = config.get(NAME); |
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161 |
|
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// Start with the default configuration |
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Set<String> defaultBMHSpecies = defaultSpecies(); |
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// Expand BMH species signatures |
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defaultBMHSpecies = defaultBMHSpecies.stream() |
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.map(type -> expandSignature(type)) |
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167 |
.collect(Collectors.toSet()); |
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168 |
|
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169 |
Set<String> defaultInvokerTypes = defaultInvokers(); |
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170 |
validateMethodTypes(defaultInvokerTypes); |
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171 |
|
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172 |
Map<String, Set<String>> defaultDmhMethods = defaultDMHMethods(); |
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173 |
for (Set<String> dmhMethodTypes : defaultDmhMethods.values()) { |
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174 |
validateMethodTypes(dmhMethodTypes); |
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175 |
} |
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176 |
|
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177 |
// Extend the default configuration with the contents in the supplied |
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178 |
// input file |
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179 |
if (mainArgument == null || !mainArgument.startsWith("@")) { |
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180 |
speciesTypes = defaultBMHSpecies; |
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181 |
invokerTypes = defaultInvokerTypes; |
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182 |
dmhMethods = defaultDmhMethods; |
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183 |
} else { |
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184 |
File file = new File(mainArgument.substring(1)); |
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185 |
if (file.exists()) { |
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186 |
// Use TreeSet/TreeMap to keep things sorted in a deterministic |
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187 |
// order to avoid scrambling the layout on small changes and to |
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188 |
// ease finding methods in the generated code |
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189 |
speciesTypes = new TreeSet<>(defaultBMHSpecies); |
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190 |
invokerTypes = new TreeSet<>(defaultInvokerTypes); |
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191 |
dmhMethods = new TreeMap<>(); |
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192 |
for (Map.Entry<String, Set<String>> entry : defaultDmhMethods.entrySet()) { |
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193 |
dmhMethods.put(entry.getKey(), new TreeSet<>(entry.getValue())); |
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194 |
} |
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195 |
fileLines(file) |
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196 |
.map(line -> line.split(" ")) |
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197 |
.forEach(parts -> { |
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198 |
switch (parts[0]) { |
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|
199 |
case "[BMH_RESOLVE]": |
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200 |
speciesTypes.add(expandSignature(parts[1])); |
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201 |
break; |
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|
202 |
case "[LF_RESOLVE]": |
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203 |
String methodType = parts[3]; |
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204 |
validateMethodType(methodType); |
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|
205 |
if (parts[1].contains("Invokers")) { |
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206 |
invokerTypes.add(methodType); |
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|
207 |
} else if (parts[1].contains("DirectMethodHandle")) { |
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208 |
String dmh = parts[2]; |
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|
209 |
// ignore getObject etc for now (generated |
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210 |
// by default) |
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211 |
if (DMH_METHOD_TYPE_MAP.containsKey(dmh)) { |
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212 |
addDMHMethodType(dmh, methodType); |
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213 |
} |
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214 |
} |
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215 |
break; |
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216 |
default: break; // ignore |
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|
217 |
} |
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218 |
}); |
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219 |
} |
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220 |
} |
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221 |
} |
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222 |
|
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223 |
private void addDMHMethodType(String dmh, String methodType) { |
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224 |
validateMethodType(methodType); |
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225 |
Set<String> methodTypes = dmhMethods.get(dmh); |
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226 |
if (methodTypes == null) { |
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methodTypes = new TreeSet<>(); |
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228 |
dmhMethods.put(dmh, methodTypes); |
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229 |
} |
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230 |
methodTypes.add(methodType); |
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231 |
} |
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232 |
|
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233 |
private Stream<String> fileLines(File file) { |
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234 |
try { |
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235 |
return Files.lines(file.toPath()); |
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236 |
} catch (IOException io) { |
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237 |
throw new PluginException("Couldn't read file"); |
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238 |
} |
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239 |
} |
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240 |
|
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241 |
private void validateMethodTypes(Set<String> dmhMethodTypes) { |
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242 |
for (String type : dmhMethodTypes) { |
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243 |
validateMethodType(type); |
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244 |
} |
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245 |
} |
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|
246 |
|
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247 |
private void validateMethodType(String type) { |
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248 |
String[] typeParts = type.split("_"); |
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|
249 |
// check return type (second part) |
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|
250 |
if (typeParts.length != 2 || typeParts[1].length() != 1 |
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|
251 |
|| "LJIFDV".indexOf(typeParts[1].charAt(0)) == -1) { |
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|
252 |
throw new PluginException( |
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|
253 |
"Method type signature must be of form [LJIFD]*_[LJIFDV]"); |
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|
254 |
} |
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|
255 |
// expand and check arguments (first part) |
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|
256 |
expandSignature(typeParts[0]); |
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|
257 |
} |
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|
258 |
|
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|
259 |
private static void requireBasicType(char c) { |
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|
260 |
if ("LIJFD".indexOf(c) < 0) { |
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|
261 |
throw new PluginException( |
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|
262 |
"Character " + c + " must correspond to a basic field type: LIJFD"); |
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|
263 |
} |
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|
264 |
} |
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|
265 |
|
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|
266 |
@Override |
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267 |
public ResourcePool transform(ResourcePool in, ResourcePoolBuilder out) { |
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268 |
// Copy all but DMH_ENTRY to out |
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|
269 |
in.transformAndCopy(entry -> { |
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|
270 |
// filter out placeholder entries |
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|
271 |
if (entry.path().equals(DIRECT_METHOD_HOLDER_ENTRY) || |
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|
272 |
entry.path().equals(DELEGATING_METHOD_HOLDER_ENTRY) || |
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|
273 |
entry.path().equals(INVOKERS_HOLDER_ENTRY) || |
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|
274 |
entry.path().equals(BASIC_FORMS_HOLDER_ENTRY)) { |
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|
275 |
return null; |
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|
276 |
} else { |
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|
277 |
return entry; |
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|
278 |
} |
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|
279 |
}, out); |
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|
280 |
speciesTypes.forEach(types -> generateBMHClass(types, out)); |
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|
281 |
generateHolderClasses(out); |
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282 |
return out.build(); |
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|
283 |
} |
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|
284 |
|
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|
285 |
@SuppressWarnings("unchecked") |
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286 |
private void generateBMHClass(String types, ResourcePoolBuilder out) { |
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|
287 |
try { |
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|
288 |
// Generate class |
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|
289 |
Map.Entry<String, byte[]> result = |
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|
290 |
JLIA.generateConcreteBMHClassBytes(types); |
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|
291 |
String className = result.getKey(); |
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|
292 |
byte[] bytes = result.getValue(); |
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|
293 |
|
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|
294 |
// Add class to pool |
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|
295 |
ResourcePoolEntry ndata = ResourcePoolEntry.create( |
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|
296 |
"/java.base/" + className + ".class", |
39151
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|
297 |
bytes); |
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|
298 |
out.add(ndata); |
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|
299 |
} catch (Exception ex) { |
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|
300 |
throw new PluginException(ex); |
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|
301 |
} |
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|
302 |
} |
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|
303 |
|
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|
304 |
private void generateHolderClasses(ResourcePoolBuilder out) { |
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|
305 |
int count = 0; |
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|
306 |
for (Set<String> entry : dmhMethods.values()) { |
40211
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|
307 |
count += entry.size(); |
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|
308 |
} |
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|
309 |
MethodType[] directMethodTypes = new MethodType[count]; |
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|
310 |
int[] dmhTypes = new int[count]; |
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|
311 |
int index = 0; |
40681
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|
312 |
for (Map.Entry<String, Set<String>> entry : dmhMethods.entrySet()) { |
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|
313 |
String dmhType = entry.getKey(); |
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changeset
|
314 |
for (String type : entry.getValue()) { |
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changeset
|
315 |
// The DMH type to actually ask for is retrieved by removing |
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changeset
|
316 |
// the first argument, which needs to be of Object.class |
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|
317 |
MethodType mt = asMethodType(type); |
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|
318 |
if (mt.parameterCount() < 1 || |
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changeset
|
319 |
mt.parameterType(0) != Object.class) { |
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changeset
|
320 |
throw new PluginException( |
e727ba540ee6
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changeset
|
321 |
"DMH type parameter must start with L"); |
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changeset
|
322 |
} |
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changeset
|
323 |
directMethodTypes[index] = mt.dropParameterTypes(0, 1); |
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|
324 |
dmhTypes[index] = DMH_METHOD_TYPE_MAP.get(dmhType); |
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changeset
|
325 |
index++; |
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changeset
|
326 |
} |
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changeset
|
327 |
} |
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changeset
|
328 |
MethodType[] invokerMethodTypes = new MethodType[this.invokerTypes.size()]; |
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changeset
|
329 |
int i = 0; |
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diff
changeset
|
330 |
for (String invokerType : invokerTypes) { |
40559
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changeset
|
331 |
// The invoker type to ask for is retrieved by removing the first |
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changeset
|
332 |
// and the last argument, which needs to be of Object.class |
40681
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diff
changeset
|
333 |
MethodType mt = asMethodType(invokerType); |
40559
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changeset
|
334 |
final int lastParam = mt.parameterCount() - 1; |
e727ba540ee6
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redestad
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changeset
|
335 |
if (mt.parameterCount() < 2 || |
e727ba540ee6
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changeset
|
336 |
mt.parameterType(0) != Object.class || |
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changeset
|
337 |
mt.parameterType(lastParam) != Object.class) { |
e727ba540ee6
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redestad
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diff
changeset
|
338 |
throw new PluginException( |
e727ba540ee6
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redestad
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diff
changeset
|
339 |
"Invoker type parameter must start and end with L"); |
e727ba540ee6
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redestad
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diff
changeset
|
340 |
} |
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changeset
|
341 |
mt = mt.dropParameterTypes(lastParam, lastParam + 1); |
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changeset
|
342 |
invokerMethodTypes[i] = mt.dropParameterTypes(0, 1); |
40681
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diff
changeset
|
343 |
i++; |
40543
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changeset
|
344 |
} |
40211
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8163369: Enable generating DMH classes at link time
redestad
parents:
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diff
changeset
|
345 |
try { |
40408
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
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40258
diff
changeset
|
346 |
byte[] bytes = JLIA.generateDirectMethodHandleHolderClassBytes( |
40543
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40419
diff
changeset
|
347 |
DIRECT_HOLDER, directMethodTypes, dmhTypes); |
40408
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redestad
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40258
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changeset
|
348 |
ResourcePoolEntry ndata = ResourcePoolEntry |
40543
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changeset
|
349 |
.create(DIRECT_METHOD_HOLDER_ENTRY, bytes); |
40408
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
350 |
out.add(ndata); |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
351 |
|
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
352 |
bytes = JLIA.generateDelegatingMethodHandleHolderClassBytes( |
40543
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
353 |
DELEGATING_HOLDER, directMethodTypes); |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
354 |
ndata = ResourcePoolEntry.create(DELEGATING_METHOD_HOLDER_ENTRY, bytes); |
40211
8b78c9b31244
8163369: Enable generating DMH classes at link time
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parents:
39834
diff
changeset
|
355 |
out.add(ndata); |
40419
20e2e4b25a40
8164451: Generate all zero and identity forms at link time
redestad
parents:
40408
diff
changeset
|
356 |
|
40543
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
357 |
bytes = JLIA.generateInvokersHolderClassBytes(INVOKERS_HOLDER, |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
358 |
invokerMethodTypes); |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
359 |
ndata = ResourcePoolEntry.create(INVOKERS_HOLDER_ENTRY, bytes); |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
360 |
out.add(ndata); |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
361 |
|
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
362 |
bytes = JLIA.generateBasicFormsClassBytes(BASIC_FORMS_HOLDER); |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
363 |
ndata = ResourcePoolEntry.create(BASIC_FORMS_HOLDER_ENTRY, bytes); |
40419
20e2e4b25a40
8164451: Generate all zero and identity forms at link time
redestad
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40408
diff
changeset
|
364 |
out.add(ndata); |
40211
8b78c9b31244
8163369: Enable generating DMH classes at link time
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diff
changeset
|
365 |
} catch (Exception ex) { |
8b78c9b31244
8163369: Enable generating DMH classes at link time
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parents:
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diff
changeset
|
366 |
throw new PluginException(ex); |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
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diff
changeset
|
367 |
} |
8b78c9b31244
8163369: Enable generating DMH classes at link time
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parents:
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diff
changeset
|
368 |
} |
40543
629f1f599595
8164569: Generate non-customized invoker forms at link time
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parents:
40419
diff
changeset
|
369 |
private static final String DIRECT_METHOD_HOLDER_ENTRY = |
629f1f599595
8164569: Generate non-customized invoker forms at link time
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|
370 |
"/java.base/" + DIRECT_HOLDER + ".class"; |
629f1f599595
8164569: Generate non-customized invoker forms at link time
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diff
changeset
|
371 |
private static final String DELEGATING_METHOD_HOLDER_ENTRY = |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
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diff
changeset
|
372 |
"/java.base/" + DELEGATING_HOLDER + ".class"; |
629f1f599595
8164569: Generate non-customized invoker forms at link time
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diff
changeset
|
373 |
private static final String BASIC_FORMS_HOLDER_ENTRY = |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
374 |
"/java.base/" + BASIC_FORMS_HOLDER + ".class"; |
629f1f599595
8164569: Generate non-customized invoker forms at link time
redestad
parents:
40419
diff
changeset
|
375 |
private static final String INVOKERS_HOLDER_ENTRY = |
629f1f599595
8164569: Generate non-customized invoker forms at link time
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parents:
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diff
changeset
|
376 |
"/java.base/" + INVOKERS_HOLDER + ".class"; |
40211
8b78c9b31244
8163369: Enable generating DMH classes at link time
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diff
changeset
|
377 |
|
36757
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
378 |
// Convert LL -> LL, L3 -> LLL |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
379 |
private static String expandSignature(String signature) { |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
380 |
StringBuilder sb = new StringBuilder(); |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
381 |
char last = 'X'; |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
382 |
int count = 0; |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
383 |
for (int i = 0; i < signature.length(); i++) { |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
384 |
char c = signature.charAt(i); |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
385 |
if (c >= '0' && c <= '9') { |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
386 |
count *= 10; |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
387 |
count += (c - '0'); |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
388 |
} else { |
40211
8b78c9b31244
8163369: Enable generating DMH classes at link time
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parents:
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diff
changeset
|
389 |
requireBasicType(c); |
36757
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
390 |
for (int j = 1; j < count; j++) { |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
391 |
sb.append(last); |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
392 |
} |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
393 |
sb.append(c); |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
394 |
last = c; |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
395 |
count = 0; |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
396 |
} |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
397 |
} |
40211
8b78c9b31244
8163369: Enable generating DMH classes at link time
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parents:
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diff
changeset
|
398 |
|
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
399 |
// ended with a number, e.g., "L2": append last char count - 1 times |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
400 |
if (count > 1) { |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
401 |
requireBasicType(last); |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
402 |
for (int j = 1; j < count; j++) { |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
403 |
sb.append(last); |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
404 |
} |
36757
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
405 |
} |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
406 |
return sb.toString(); |
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
407 |
} |
40211
8b78c9b31244
8163369: Enable generating DMH classes at link time
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parents:
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diff
changeset
|
408 |
|
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
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diff
changeset
|
409 |
private static MethodType asMethodType(String basicSignatureString) { |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
410 |
String[] parts = basicSignatureString.split("_"); |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
411 |
assert(parts.length == 2); |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
412 |
assert(parts[1].length() == 1); |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
413 |
String parameters = expandSignature(parts[0]); |
40408
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
414 |
Class<?> rtype = simpleType(parts[1].charAt(0)); |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
415 |
if (parameters.isEmpty()) { |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
416 |
return MethodType.methodType(rtype); |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
417 |
} else { |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
418 |
Class<?>[] ptypes = new Class<?>[parameters.length()]; |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
419 |
for (int i = 0; i < ptypes.length; i++) { |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
420 |
ptypes[i] = simpleType(parameters.charAt(i)); |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
421 |
} |
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
422 |
return MethodType.methodType(rtype, ptypes); |
40211
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
423 |
} |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
424 |
} |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
425 |
|
40408
cf7e826d4d63
8164044: Generate corresponding simple DelegatingMethodHandles when generating a DirectMethodHandle at link time
redestad
parents:
40258
diff
changeset
|
426 |
private static Class<?> simpleType(char c) { |
40211
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
427 |
switch (c) { |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
428 |
case 'F': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
429 |
return float.class; |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
430 |
case 'D': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
431 |
return double.class; |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
432 |
case 'I': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
433 |
return int.class; |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
434 |
case 'L': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
435 |
return Object.class; |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
436 |
case 'J': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
437 |
return long.class; |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
438 |
case 'V': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
439 |
return void.class; |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
440 |
case 'Z': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
441 |
case 'B': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
442 |
case 'S': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
443 |
case 'C': |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
444 |
throw new IllegalArgumentException("Not a valid primitive: " + c + |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
445 |
" (use I instead)"); |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
446 |
default: |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
447 |
throw new IllegalArgumentException("Not a primitive: " + c); |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
448 |
} |
8b78c9b31244
8163369: Enable generating DMH classes at link time
redestad
parents:
39834
diff
changeset
|
449 |
} |
36757
c859c6feee56
8152641: Plugin to generate BMH$Species classes ahead-of-time
redestad
parents:
diff
changeset
|
450 |
} |