| /******************************************************************************* |
| * Copyright (c) 2014, 2017 GK Software AG. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Stephan Herrmann - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.lookup; |
| |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| |
| /** |
| * Encodes a synthetic <factory> method used for resolving a diamond constructor. |
| */ |
| public class SyntheticFactoryMethodBinding extends MethodBinding { |
| |
| private MethodBinding staticFactoryFor; |
| private LookupEnvironment environment; |
| private ReferenceBinding enclosingType; |
| |
| public SyntheticFactoryMethodBinding(MethodBinding method, LookupEnvironment environment, ReferenceBinding enclosingType) { |
| super(method.modifiers | ClassFileConstants.AccStatic, TypeConstants.SYNTHETIC_STATIC_FACTORY, |
| null, null, null, method.declaringClass); |
| this.environment = environment; |
| this.staticFactoryFor = method; |
| this.enclosingType = enclosingType; |
| } |
| |
| public MethodBinding getConstructor() { |
| return this.staticFactoryFor; |
| } |
| |
| /** Apply the given type arguments on the (declaring class of the) actual constructor being represented by this factory method and |
| if method type arguments is not empty materialize the parameterized generic constructor |
| * @param targetType |
| */ |
| public ParameterizedMethodBinding applyTypeArgumentsOnConstructor(TypeBinding[] typeArguments, TypeBinding[] constructorTypeArguments, boolean inferredWithUncheckedConversion, TypeBinding targetType) { |
| ReferenceBinding parameterizedType = typeArguments == null |
| ? this.environment.createRawType(this.declaringClass, this.enclosingType) |
| : this.environment.createParameterizedType(this.declaringClass, typeArguments, this.enclosingType); |
| for (MethodBinding parameterizedMethod : parameterizedType.methods()) { |
| if (parameterizedMethod.original() == this.staticFactoryFor) |
| return (constructorTypeArguments.length > 0 || inferredWithUncheckedConversion) |
| ? this.environment.createParameterizedGenericMethod(parameterizedMethod, constructorTypeArguments, inferredWithUncheckedConversion, false, targetType) |
| : (ParameterizedMethodBinding) parameterizedMethod; |
| if (parameterizedMethod instanceof ProblemMethodBinding) { |
| MethodBinding closestMatch = ((ProblemMethodBinding)parameterizedMethod).closestMatch; |
| if (closestMatch instanceof ParameterizedMethodBinding && closestMatch.original() == this.staticFactoryFor) |
| return (ParameterizedMethodBinding) closestMatch; |
| } |
| } |
| throw new IllegalArgumentException("Type doesn't have its own method?"); //$NON-NLS-1$ |
| } |
| } |