| /* |
| * Copyright (c) 2010-2020 BSI Business Systems Integration AG. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * BSI Business Systems Integration AG - initial API and implementation |
| */ |
| package org.eclipse.scout.sdk.core.model.ecj; |
| |
| import static java.util.Collections.emptyList; |
| |
| import java.util.List; |
| |
| import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration; |
| import org.eclipse.jdt.internal.compiler.ast.Argument; |
| import org.eclipse.jdt.internal.compiler.lookup.AnnotationBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; |
| import org.eclipse.scout.sdk.core.model.api.IMethodParameter; |
| import org.eclipse.scout.sdk.core.model.api.ISourceRange; |
| import org.eclipse.scout.sdk.core.model.api.internal.MethodParameterImplementor; |
| import org.eclipse.scout.sdk.core.model.spi.AbstractJavaEnvironment; |
| import org.eclipse.scout.sdk.core.model.spi.CompilationUnitSpi; |
| import org.eclipse.scout.sdk.core.model.spi.JavaElementSpi; |
| import org.eclipse.scout.sdk.core.model.spi.MethodParameterSpi; |
| import org.eclipse.scout.sdk.core.model.spi.MethodSpi; |
| import org.eclipse.scout.sdk.core.model.spi.TypeSpi; |
| import org.eclipse.scout.sdk.core.util.Ensure; |
| import org.eclipse.scout.sdk.core.util.FinalValue; |
| |
| /** |
| * |
| */ |
| public class BindingMethodParameterWithEcj extends AbstractJavaElementWithEcj<IMethodParameter> implements MethodParameterSpi { |
| private final BindingMethodWithEcj m_declaringMethod; |
| private final TypeBinding m_binding; |
| private final int m_index; |
| private final int m_flags; |
| private final char[] m_name; |
| private final FinalValue<TypeSpi> m_dataType; |
| private final FinalValue<ISourceRange> m_source; |
| private final FinalValue<String> m_nameAsString; |
| private final FinalValue<List<BindingAnnotationWithEcj>> m_annotations; |
| |
| protected BindingMethodParameterWithEcj(AbstractJavaEnvironment env, BindingMethodWithEcj declaringMethod, TypeBinding binding, char[] name, int flags, int index) { |
| super(env); |
| m_index = index; |
| m_flags = flags; |
| m_name = Ensure.notNull(name); |
| m_binding = Ensure.notNull(binding); |
| m_declaringMethod = Ensure.notNull(declaringMethod); |
| m_dataType = new FinalValue<>(); |
| m_source = new FinalValue<>(); |
| m_nameAsString = new FinalValue<>(); |
| m_annotations = new FinalValue<>(); |
| } |
| |
| @Override |
| public JavaElementSpi internalFindNewElement() { |
| MethodSpi newMethod = (MethodSpi) getDeclaringMethod().internalFindNewElement(); |
| if (newMethod != null && newMethod.getParameters().size() > m_index) { |
| return newMethod.getParameters().get(m_index); |
| } |
| return null; |
| } |
| |
| @Override |
| protected IMethodParameter internalCreateApi() { |
| return new MethodParameterImplementor(this); |
| } |
| |
| public TypeBinding getInternalBinding() { |
| return m_binding; |
| } |
| |
| @Override |
| public String getElementName() { |
| return m_nameAsString.computeIfAbsentAndGet(() -> new String(m_name)); |
| } |
| |
| @Override |
| public TypeSpi getDataType() { |
| return m_dataType.computeIfAbsentAndGet(() -> SpiWithEcjUtils.bindingToType(javaEnvWithEcj(), m_binding)); |
| } |
| |
| @Override |
| public int getIndex() { |
| return m_index; |
| } |
| |
| @Override |
| public int getFlags() { |
| return m_flags; |
| } |
| |
| @Override |
| public BindingMethodWithEcj getDeclaringMethod() { |
| return m_declaringMethod; |
| } |
| |
| @Override |
| public List<BindingAnnotationWithEcj> getAnnotations() { |
| return m_annotations.computeIfAbsentAndGet(this::computeAnnotations); |
| } |
| |
| private List<BindingAnnotationWithEcj> computeAnnotations() { |
| AnnotationBinding[][] annotations; |
| synchronized (javaEnvWithEcj().lock()) { |
| annotations = m_declaringMethod.getInternalBinding().getParameterAnnotations(); |
| } |
| if (annotations == null || m_index >= annotations.length) { |
| return emptyList(); |
| } |
| return SpiWithEcjUtils.createBindingAnnotations(this, annotations[m_index]); |
| } |
| |
| @Override |
| public ISourceRange getSource() { |
| return m_source.computeIfAbsentAndGet(() -> { |
| AbstractMethodDeclaration declMethod = SpiWithEcjUtils.sourceMethodOf(m_declaringMethod); |
| if (declMethod != null) { |
| CompilationUnitSpi cu = m_declaringMethod.getDeclaringType().getCompilationUnit(); |
| Argument decl = declMethod.arguments[m_index]; |
| return javaEnvWithEcj().getSource(cu, decl.declarationSourceStart, decl.declarationSourceEnd); |
| } |
| return null; |
| }); |
| } |
| } |