mirror of
https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm.git
synced 2024-12-23 00:24:11 -08:00
Add very first draft of annotation support
This commit is contained in:
Alexey Andreev
parent
3cb39b9507
commit
fd689d2efa
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@ -17,6 +17,8 @@ package org.teavm.classlib.impl;
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import java.util.ServiceLoader;
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import org.teavm.classlib.impl.unicode.CLDRReader;
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import org.teavm.classlib.java.lang.reflect.AnnotationClassTransformer;
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import org.teavm.classlib.java.lang.reflect.AnnotationDependencyListener;
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import org.teavm.model.MethodReference;
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import org.teavm.platform.PlatformClass;
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import org.teavm.vm.spi.TeaVMHost;
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@ -38,5 +40,8 @@ public class JCLPlugin implements TeaVMPlugin {
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host.add(javacSupport);
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host.registerService(CLDRReader.class, new CLDRReader(host.getProperties(), host.getClassLoader()));
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host.add(new AnnotationDependencyListener());
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host.add(new AnnotationClassTransformer());
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}
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}
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@ -0,0 +1,133 @@
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/*
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* Copyright 2015 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.classlib.java.lang.reflect;
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import java.lang.annotation.Annotation;
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import java.lang.annotation.Retention;
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import java.util.ArrayList;
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import java.util.List;
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import org.teavm.diagnostics.Diagnostics;
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import org.teavm.model.AccessLevel;
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import org.teavm.model.AnnotationReader;
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import org.teavm.model.AnnotationValue;
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import org.teavm.model.ClassHolder;
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import org.teavm.model.ClassHolderTransformer;
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import org.teavm.model.ClassReader;
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import org.teavm.model.ClassReaderSource;
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import org.teavm.model.ElementModifier;
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import org.teavm.model.MethodHolder;
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import org.teavm.model.MethodReader;
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import org.teavm.model.MethodReference;
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import org.teavm.model.ValueType;
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import org.teavm.model.emit.ProgramEmitter;
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import org.teavm.model.emit.ValueEmitter;
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/**
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*
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* @author Alexey Andreev
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*/
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public class AnnotationClassTransformer implements ClassHolderTransformer {
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@Override
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public void transformClass(ClassHolder cls, ClassReaderSource innerSource, Diagnostics diagnostics) {
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MethodHolder readerMethod = new MethodHolder("$$_readAnnotations_$$", ValueType.parse(Annotation[].class));
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readerMethod.setLevel(AccessLevel.PUBLIC);
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readerMethod.getModifiers().add(ElementModifier.STATIC);
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ProgramEmitter pe = ProgramEmitter.create(readerMethod);
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List<AnnotationReader> annotations = new ArrayList<>();
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for (AnnotationReader annot : cls.getAnnotations().all()) {
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ClassReader annotType = innerSource.get(annot.getType());
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if (annotType == null) {
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continue;
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}
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AnnotationReader retention = annotType.getAnnotations().get(Retention.class.getName());
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String retentionPolicy = retention.getValue("value").getEnumValue().getFieldName();
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if (retentionPolicy.equals("RUNTIME")) {
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annotations.add(annot);
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}
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}
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ValueEmitter array = pe.constructArray(Annotation.class, annotations.size());
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for (int i = 0; i < annotations.size(); ++i) {
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array.setElement(i, generateAnnotationInstance(innerSource, pe, annotations.get(i)));
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}
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array.returnValue();
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}
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private ValueEmitter generateAnnotationInstance(ClassReaderSource classSource, ProgramEmitter pe,
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AnnotationReader annotation) {
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ClassReader annotationClass = classSource.get(annotation.getType());
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if (annotationClass == null) {
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return pe.constantNull();
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}
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String className = annotation.getType() + "$$_impl";
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List<ValueType> ctorSignature = new ArrayList<>();
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List<ValueEmitter> params = new ArrayList<>();
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for (MethodReader methodDecl : annotationClass.getMethods()) {
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ctorSignature.add(methodDecl.getResultType());
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AnnotationValue value = annotation.getValue(className);
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params.add(value != null ? generateAnnotationValue(classSource, pe, methodDecl.getResultType(), value) :
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pe.constantNull());
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}
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ctorSignature.add(ValueType.VOID);
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MethodReference ctor = new MethodReference(className, "<init>", ctorSignature.toArray(
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new ValueType[ctorSignature.size()]));
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return pe.construct(ctor, params.toArray(new ValueEmitter[params.size()]));
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}
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private ValueEmitter generateAnnotationValue(ClassReaderSource classSource, ProgramEmitter pe, ValueType type,
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AnnotationValue value) {
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switch (value.getType()) {
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case AnnotationValue.BOOLEAN:
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return pe.constant(value.getBoolean() ? 1 : 0);
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case AnnotationValue.BYTE:
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return pe.constant(value.getByte());
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case AnnotationValue.SHORT:
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return pe.constant(value.getShort());
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case AnnotationValue.INT:
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return pe.constant(value.getInt());
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case AnnotationValue.LONG:
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return pe.constant(value.getLong());
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case AnnotationValue.FLOAT:
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return pe.constant(value.getFloat());
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case AnnotationValue.DOUBLE:
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return pe.constant(value.getDouble());
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case AnnotationValue.STRING:
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return pe.constant(value.getString());
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case AnnotationValue.LIST: {
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List<AnnotationValue> list = value.getList();
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ValueType itemType = ((ValueType.Array)type).getItemType();
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ValueEmitter array = pe.constructArray(itemType, list.size());
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for (int i = 0; i < list.size(); ++i) {
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array.setElement(i, generateAnnotationValue(classSource, pe, itemType, list.get(i)));
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}
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return array;
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}
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case AnnotationValue.ENUM:
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return pe.getField(value.getEnumValue(), type);
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case AnnotationValue.CLASS:
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return pe.constant(value.getJavaClass());
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case AnnotationValue.ANNOTATION:
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return generateAnnotationInstance(classSource, pe, value.getAnnotation());
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default:
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throw new IllegalArgumentException("Unknown annotation value type: " + value.getType());
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}
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}
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}
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@ -15,8 +15,6 @@
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*/
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package org.teavm.classlib.java.lang.reflect;
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import java.lang.annotation.Annotation;
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import java.lang.annotation.Retention;
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import java.util.ArrayList;
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import java.util.List;
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import org.teavm.dependency.DependencyAgent;
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@ -25,7 +23,6 @@ import org.teavm.dependency.FieldDependency;
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import org.teavm.dependency.MethodDependency;
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import org.teavm.model.AccessLevel;
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import org.teavm.model.AnnotationReader;
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import org.teavm.model.AnnotationValue;
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import org.teavm.model.CallLocation;
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import org.teavm.model.ClassHolder;
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import org.teavm.model.ClassReader;
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@ -56,92 +53,11 @@ public class AnnotationDependencyListener implements DependencyListener {
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return;
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}
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MethodHolder readerMethod = new MethodHolder("$$_readAnnotations_$$", ValueType.parse(Annotation[].class));
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readerMethod.setLevel(AccessLevel.PUBLIC);
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readerMethod.getModifiers().add(ElementModifier.STATIC);
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ProgramEmitter pe = ProgramEmitter.create(readerMethod);
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List<AnnotationReader> annotations = new ArrayList<>();
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for (AnnotationReader annot : cls.getAnnotations().all()) {
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ClassReader annotType = agent.getClassSource().get(annot.getType());
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if (annotType == null) {
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continue;
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}
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AnnotationReader retention = annotType.getAnnotations().get(Retention.class.getName());
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String retentionPolicy = retention.getValue("value").getEnumValue().getFieldName();
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if (retentionPolicy.equals("RUNTIME")) {
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annotations.add(annot);
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}
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if (cls.hasModifier(ElementModifier.ANNOTATION)) {
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getAnnotationImplementor(agent, className);
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}
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ValueEmitter array = pe.constructArray(Annotation.class, annotations.size());
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for (int i = 0; i < annotations.size(); ++i) {
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array.setElement(i, generateAnnotationInstance(agent, pe, annotations.get(i)));
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}
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array.returnValue();
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}
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private ValueEmitter generateAnnotationInstance(DependencyAgent agent, ProgramEmitter pe,
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AnnotationReader annotation) {
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ClassReader annotationClass = agent.getClassSource().get(annotation.getType());
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if (annotationClass == null) {
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return pe.constantNull();
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}
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String className = getAnnotationImplementor(agent, annotation.getType());
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List<ValueType> ctorSignature = new ArrayList<>();
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List<ValueEmitter> params = new ArrayList<>();
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for (MethodReader methodDecl : annotationClass.getMethods()) {
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ctorSignature.add(methodDecl.getResultType());
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AnnotationValue value = annotation.getValue(className);
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params.add(value != null ? generateAnnotationValue(agent, pe, methodDecl.getResultType(), value) :
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pe.constantNull());
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}
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ctorSignature.add(ValueType.VOID);
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MethodReference ctor = new MethodReference(className, "<init>", ctorSignature.toArray(
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new ValueType[ctorSignature.size()]));
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return pe.construct(ctor, params.toArray(new ValueEmitter[params.size()]));
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}
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private ValueEmitter generateAnnotationValue(DependencyAgent agent, ProgramEmitter pe, ValueType type,
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AnnotationValue value) {
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switch (value.getType()) {
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case AnnotationValue.BOOLEAN:
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return pe.constant(value.getBoolean() ? 1 : 0);
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case AnnotationValue.BYTE:
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return pe.constant(value.getByte());
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case AnnotationValue.SHORT:
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return pe.constant(value.getShort());
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case AnnotationValue.INT:
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return pe.constant(value.getInt());
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case AnnotationValue.LONG:
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return pe.constant(value.getLong());
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case AnnotationValue.FLOAT:
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return pe.constant(value.getFloat());
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case AnnotationValue.DOUBLE:
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return pe.constant(value.getDouble());
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case AnnotationValue.STRING:
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return pe.constant(value.getString());
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case AnnotationValue.LIST: {
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List<AnnotationValue> list = value.getList();
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ValueType itemType = ((ValueType.Array)type).getItemType();
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ValueEmitter array = pe.constructArray(itemType, list.size());
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for (int i = 0; i < list.size(); ++i) {
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array.setElement(i, generateAnnotationValue(agent, pe, itemType, list.get(i)));
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}
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return array;
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}
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case AnnotationValue.ENUM:
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return pe.getField(value.getEnumValue(), type);
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case AnnotationValue.CLASS:
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return pe.constant(value.getJavaClass());
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case AnnotationValue.ANNOTATION:
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return generateAnnotationInstance(agent, pe, value.getAnnotation());
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default:
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throw new IllegalArgumentException("Unknown annotation value type: " + value.getType());
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for (AnnotationReader annotation : cls.getAnnotations().all()) {
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agent.linkClass(annotation.getType(), location);
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}
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}
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@ -205,6 +121,17 @@ public class AnnotationDependencyListener implements DependencyListener {
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@Override
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public void methodAchieved(DependencyAgent agent, MethodDependency method, CallLocation location) {
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ValueType type = method.getMethod().getResultType();
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while (type instanceof ValueType.Array) {
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type = ((ValueType.Array)type).getItemType();
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}
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if (type instanceof ValueType.Object) {
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String className = ((ValueType.Object)type).getClassName();
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ClassReader cls = agent.getClassSource().get(className);
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if (cls != null && cls.hasModifier(ElementModifier.ANNOTATION)) {
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agent.linkClass(className, location);
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}
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}
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}
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@Override
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@ -15,6 +15,7 @@
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*/
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package org.teavm.platform;
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import java.lang.annotation.Annotation;
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import org.teavm.dependency.PluggableDependency;
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import org.teavm.javascript.spi.GeneratedBy;
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import org.teavm.javascript.spi.InjectedBy;
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@ -105,6 +106,10 @@ public final class Platform {
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@PluggableDependency(PlatformGenerator.class)
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public static native Enum<?>[] getEnumConstants(PlatformClass cls);
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@GeneratedBy(PlatformGenerator.class)
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@PluggableDependency(PlatformGenerator.class)
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public static native Annotation[] getAnnotations(PlatformClass cls);
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@GeneratedBy(PlatformGenerator.class)
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@PluggableDependency(PlatformGenerator.class)
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public static native void startThread(PlatformRunnable runnable);
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@ -0,0 +1,59 @@
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/*
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* Copyright 2015 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.platform.plugin;
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import java.lang.annotation.Annotation;
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import org.teavm.dependency.DependencyAgent;
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import org.teavm.dependency.DependencyListener;
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import org.teavm.dependency.DependencyNode;
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import org.teavm.dependency.FieldDependency;
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import org.teavm.dependency.MethodDependency;
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import org.teavm.model.CallLocation;
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import org.teavm.model.ElementModifier;
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import org.teavm.platform.Platform;
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/**
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*
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* @author Alexey Andreev
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*/
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public class AnnotationDependencySupport implements DependencyListener {
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private DependencyNode allAnnotations;
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@Override
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public void started(DependencyAgent agent) {
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allAnnotations = agent.createNode();
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}
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@Override
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public void classAchieved(DependencyAgent agent, String className, CallLocation location) {
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}
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@Override
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public void methodAchieved(DependencyAgent agent, MethodDependency method, CallLocation location) {
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if (method.getMethod().getName().equals("$$_readAnnotations_$$") &&
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method.getMethod().hasModifier(ElementModifier.STATIC)) {
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method.getResult().getArrayItem().connect(allAnnotations);
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} else if (method.getReference().getClassName().equals(Platform.class.getName()) &&
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method.getReference().getName().equals("getAnnotations")) {
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method.getResult().propagate(agent.getType("[" + Annotation.class.getName()));
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allAnnotations.connect(method.getResult().getArrayItem());
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}
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}
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@Override
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public void fieldAchieved(DependencyAgent agent, FieldDependency field, CallLocation location) {
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}
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}
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@ -16,6 +16,7 @@
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package org.teavm.platform.plugin;
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import java.io.IOException;
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import java.lang.annotation.Annotation;
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import org.teavm.codegen.SourceWriter;
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import org.teavm.dependency.DependencyAgent;
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import org.teavm.dependency.DependencyPlugin;
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@ -24,7 +25,12 @@ import org.teavm.javascript.spi.Generator;
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import org.teavm.javascript.spi.GeneratorContext;
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import org.teavm.javascript.spi.Injector;
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import org.teavm.javascript.spi.InjectorContext;
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import org.teavm.model.*;
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import org.teavm.model.CallLocation;
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import org.teavm.model.ClassReader;
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import org.teavm.model.MethodDescriptor;
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import org.teavm.model.MethodReader;
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import org.teavm.model.MethodReference;
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import org.teavm.model.ValueType;
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import org.teavm.platform.Platform;
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import org.teavm.platform.PlatformClass;
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import org.teavm.platform.PlatformRunnable;
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@ -54,6 +60,8 @@ public class PlatformGenerator implements Generator, Injector, DependencyPlugin
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case "getCurrentThread":
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method.getResult().propagate(agent.getType("java.lang.Thread"));
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break;
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case "getAnnotations":
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method.getResult();
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}
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}
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@ -92,6 +100,9 @@ public class PlatformGenerator implements Generator, Injector, DependencyPlugin
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case "getEnumConstants":
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generateEnumConstants(context, writer);
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break;
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case "getAnnotations":
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generateAnnotations(context, writer);
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break;
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}
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}
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@ -196,4 +207,30 @@ public class PlatformGenerator implements Generator, Injector, DependencyPlugin
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writer.append("return ").append(selfName).append("(").append(context.getParameterName(1))
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.append(");").softNewLine();
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}
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private void generateAnnotations(GeneratorContext context, SourceWriter writer) throws IOException {
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writer.append("var c").ws().append("=").ws().append("'$$annotations$$';").softNewLine();
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for (String clsName : context.getClassSource().getClassNames()) {
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ClassReader cls = context.getClassSource().get(clsName);
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MethodReader method = cls.getMethod(new MethodDescriptor("$$_readAnnotations_$$",
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ValueType.parse(Annotation[].class)));
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if (method != null) {
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writer.appendClass(clsName).append("[c]").ws().append("=").ws();
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writer.appendMethodBody(method.getReference());
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writer.append(";").softNewLine();
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}
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}
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String selfName = writer.getNaming().getFullNameFor(new MethodReference(Platform.class, "getAnnotations",
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PlatformClass.class, Annotation[].class));
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writer.append(selfName).ws().append("=").ws().append("function(cls)").ws().append("{").softNewLine().indent();
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writer.append("if").ws().append("(!cls.hasOwnProperty(c))").ws().append("{").indent().softNewLine();
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writer.append("return null;").softNewLine();
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writer.outdent().append("}").softNewLine();
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writer.append("return cls[c]();").softNewLine();
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writer.outdent().append("};").softNewLine();
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|
||||
writer.append("return ").append(selfName).append("(").append(context.getParameterName(1))
|
||||
.append(");").softNewLine();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -33,6 +33,7 @@ public class PlatformPlugin implements TeaVMPlugin {
|
|||
host.add(new NewInstanceDependencySupport());
|
||||
host.add(new ClassLookupDependencySupport());
|
||||
host.add(new EnumDependencySupport());
|
||||
host.add(new AnnotationDependencySupport());
|
||||
host.add(new PlatformDependencyListener());
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user