| /******************************************************************************* |
| * Copyright (c) 2013, 2014 IBM Corporation and others. |
| * |
| * 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: |
| * IBM Corporation - initial API and implementation |
| * Stephan Herrmann - Contribution for |
| * Bug 428811 - [1.8][compiler] Type witness unnecessarily required |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.internal.compiler.lookup; |
| |
| import org.eclipse.jdt.internal.compiler.ast.Expression; |
| import org.eclipse.jdt.internal.compiler.ast.LambdaExpression; |
| |
| public class PolyTypeBinding extends TypeBinding { |
| |
| Expression expression; |
| boolean vanillaCompatibilty = true; |
| |
| public PolyTypeBinding(Expression expression) { |
| this.expression = expression; |
| } |
| |
| @Override |
| public char[] constantPoolName() { |
| throw new UnsupportedOperationException(); // should never reach code generation |
| } |
| |
| @Override |
| public PackageBinding getPackage() { |
| throw new UnsupportedOperationException(); // nobody should be asking this question. |
| } |
| |
| @Override |
| public boolean isCompatibleWith(TypeBinding left, Scope scope) { |
| return this.vanillaCompatibilty ? this.expression.isCompatibleWith(left, scope) : this.expression.isBoxingCompatibleWith(left, scope); |
| } |
| |
| @Override |
| public boolean isPotentiallyCompatibleWith(TypeBinding targetType, Scope scope) { |
| return this.expression.isPotentiallyCompatibleWith(targetType, scope); |
| } |
| |
| @Override |
| public boolean isPolyType() { |
| return true; |
| } |
| |
| @Override |
| public boolean isFunctionalType() { |
| return this.expression.isFunctionalType(); |
| } |
| |
| @Override |
| public char[] qualifiedSourceName() { |
| return readableName(); |
| } |
| |
| @Override |
| public char[] sourceName() { |
| return readableName(); |
| } |
| |
| @Override |
| public char[] readableName() { |
| return this.expression.printExpression(0, new StringBuffer()).toString().toCharArray(); |
| } |
| |
| @Override |
| public char[] shortReadableName() { |
| return this.expression instanceof LambdaExpression ? |
| ((LambdaExpression) this.expression).printExpression(0, new StringBuffer(), true).toString().toCharArray() : readableName(); |
| } |
| |
| @Override |
| public boolean sIsMoreSpecific(TypeBinding s, TypeBinding t, Scope scope) { |
| return this.expression.sIsMoreSpecific(s, t, scope); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer buffer = new StringBuffer("PolyTypeBinding for: "); //$NON-NLS-1$ |
| return this.expression.printExpression(0, buffer).toString(); |
| } |
| |
| @Override |
| public int kind() { |
| return Binding.POLY_TYPE; |
| } |
| |
| public TypeBinding computeBoxingType() { |
| PolyTypeBinding type = new PolyTypeBinding(this.expression); |
| type.vanillaCompatibilty = !this.vanillaCompatibilty; |
| return type; |
| } |
| } |