--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.verifier/src/org/graalvm/compiler/replacements/verifier/PluginGenerator.java Wed May 30 11:36:46 2018 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,213 +0,0 @@
-/*
- * Copyright (c) 2015, 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 org.graalvm.compiler.replacements.verifier;
-
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.function.Function;
-
-import javax.annotation.processing.ProcessingEnvironment;
-import javax.lang.model.element.Element;
-import javax.lang.model.element.ElementKind;
-import javax.lang.model.element.PackageElement;
-import javax.lang.model.element.TypeElement;
-import javax.lang.model.element.VariableElement;
-import javax.lang.model.type.ArrayType;
-import javax.lang.model.type.DeclaredType;
-import javax.lang.model.type.TypeMirror;
-import javax.lang.model.type.TypeVariable;
-import javax.lang.model.type.WildcardType;
-import javax.tools.Diagnostic;
-import javax.tools.JavaFileObject;
-
-public class PluginGenerator {
-
- private final Map<Element, List<GeneratedPlugin>> plugins;
-
- public PluginGenerator() {
- this.plugins = new HashMap<>();
- }
-
- public void addPlugin(GeneratedPlugin plugin) {
- Element topLevel = getTopLevelClass(plugin.intrinsicMethod);
- List<GeneratedPlugin> list = plugins.get(topLevel);
- if (list == null) {
- list = new ArrayList<>();
- plugins.put(topLevel, list);
- }
- list.add(plugin);
- }
-
- public void generateAll(ProcessingEnvironment env) {
- for (Entry<Element, List<GeneratedPlugin>> entry : plugins.entrySet()) {
- disambiguateNames(entry.getValue());
- createPluginFactory(env, entry.getKey(), entry.getValue());
- }
- }
-
- private static Element getTopLevelClass(Element element) {
- Element prev = element;
- Element enclosing = element.getEnclosingElement();
- while (enclosing != null && enclosing.getKind() != ElementKind.PACKAGE) {
- prev = enclosing;
- enclosing = enclosing.getEnclosingElement();
- }
- return prev;
- }
-
- private static void disambiguateWith(List<GeneratedPlugin> plugins, Function<GeneratedPlugin, String> genName) {
- plugins.sort(Comparator.comparing(GeneratedPlugin::getPluginName));
-
- GeneratedPlugin current = plugins.get(0);
- String currentName = current.getPluginName();
-
- for (int i = 1; i < plugins.size(); i++) {
- GeneratedPlugin next = plugins.get(i);
- if (currentName.equals(next.getPluginName())) {
- if (current != null) {
- current.setPluginName(genName.apply(current));
- current = null;
- }
- next.setPluginName(genName.apply(next));
- } else {
- current = next;
- currentName = current.getPluginName();
- }
- }
- }
-
- private static void appendSimpleTypeName(StringBuilder ret, TypeMirror type) {
- switch (type.getKind()) {
- case DECLARED:
- DeclaredType declared = (DeclaredType) type;
- TypeElement element = (TypeElement) declared.asElement();
- ret.append(element.getSimpleName());
- break;
- case TYPEVAR:
- appendSimpleTypeName(ret, ((TypeVariable) type).getUpperBound());
- break;
- case WILDCARD:
- appendSimpleTypeName(ret, ((WildcardType) type).getExtendsBound());
- break;
- case ARRAY:
- appendSimpleTypeName(ret, ((ArrayType) type).getComponentType());
- ret.append("Array");
- break;
- default:
- ret.append(type);
- }
- }
-
- private static void disambiguateNames(List<GeneratedPlugin> plugins) {
- // if we have more than one method with the same name, disambiguate with the argument types
- disambiguateWith(plugins, plugin -> {
- StringBuilder ret = new StringBuilder(plugin.getPluginName());
- for (VariableElement param : plugin.intrinsicMethod.getParameters()) {
- ret.append('_');
- appendSimpleTypeName(ret, param.asType());
- }
- return ret.toString();
- });
-
- // since we're using simple names for argument types, we could still have a collision
- disambiguateWith(plugins, new Function<GeneratedPlugin, String>() {
-
- private int idx = 0;
-
- @Override
- public String apply(GeneratedPlugin plugin) {
- return plugin.getPluginName() + "_" + (idx++);
- }
- });
- }
-
- private static void createPluginFactory(ProcessingEnvironment env, Element topLevelClass, List<GeneratedPlugin> plugins) {
- PackageElement pkg = (PackageElement) topLevelClass.getEnclosingElement();
-
- String genClassName = "PluginFactory_" + topLevelClass.getSimpleName();
-
- try {
- JavaFileObject factory = env.getFiler().createSourceFile(pkg.getQualifiedName() + "." + genClassName, topLevelClass);
- try (PrintWriter out = new PrintWriter(factory.openWriter())) {
- out.printf("// CheckStyle: stop header check\n");
- out.printf("// CheckStyle: stop line length check\n");
- out.printf("// GENERATED CONTENT - DO NOT EDIT\n");
- out.printf("// GENERATORS: %s, %s\n", VerifierAnnotationProcessor.class.getName(), PluginGenerator.class.getName());
- out.printf("package %s;\n", pkg.getQualifiedName());
- out.printf("\n");
- createImports(out, plugins);
- out.printf("\n");
- out.printf("@ServiceProvider(NodeIntrinsicPluginFactory.class)\n");
- out.printf("public class %s implements NodeIntrinsicPluginFactory {\n", genClassName);
- for (GeneratedPlugin plugin : plugins) {
- out.printf("\n");
- plugin.generate(env, out);
- }
- out.printf("\n");
- createPluginFactoryMethod(out, plugins);
- out.printf("}\n");
- }
- } catch (IOException e) {
- env.getMessager().printMessage(Diagnostic.Kind.ERROR, e.getMessage());
- }
- }
-
- protected static void createImports(PrintWriter out, List<GeneratedPlugin> plugins) {
- out.printf("import jdk.vm.ci.meta.ResolvedJavaMethod;\n");
- out.printf("import org.graalvm.compiler.serviceprovider.ServiceProvider;\n");
- out.printf("\n");
- out.printf("import org.graalvm.compiler.nodes.ValueNode;\n");
- out.printf("import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;\n");
- out.printf("import org.graalvm.compiler.nodes.graphbuilderconf.GeneratedInvocationPlugin;\n");
- out.printf("import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;\n");
- out.printf("import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;\n");
- out.printf("import org.graalvm.compiler.nodes.graphbuilderconf.NodeIntrinsicPluginFactory;\n");
-
- HashSet<String> extra = new HashSet<>();
- for (GeneratedPlugin plugin : plugins) {
- plugin.extraImports(extra);
- }
- if (!extra.isEmpty()) {
- out.printf("\n");
- for (String i : extra) {
- out.printf("import %s;\n", i);
- }
- }
- }
-
- private static void createPluginFactoryMethod(PrintWriter out, List<GeneratedPlugin> plugins) {
- out.printf(" @Override\n");
- out.printf(" public void registerPlugins(InvocationPlugins plugins, InjectionProvider injection) {\n");
- for (GeneratedPlugin plugin : plugins) {
- plugin.register(out);
- }
- out.printf(" }\n");
- }
-}