| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.ast; |
| |
| import org.eclipse.jdt.internal.compiler.ASTVisitor; |
| import org.eclipse.jdt.internal.compiler.codegen.CodeStream; |
| import org.eclipse.jdt.internal.compiler.lookup.Binding; |
| import org.eclipse.jdt.internal.compiler.lookup.BlockScope; |
| import org.eclipse.jdt.internal.compiler.lookup.ClassScope; |
| import org.eclipse.jdt.internal.compiler.lookup.Scope; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeVariableBinding; |
| |
| public class TypeParameter extends AbstractVariableDeclaration { |
| |
| public TypeVariableBinding binding; |
| public TypeReference[] bounds; |
| |
| /** |
| * @see org.eclipse.jdt.internal.compiler.ast.AbstractVariableDeclaration#getKind() |
| */ |
| public int getKind() { |
| return TYPE_PARAMETER; |
| } |
| |
| public void checkBounds(Scope scope) { |
| |
| if (this.type != null) { |
| this.type.checkBounds(scope); |
| } |
| if (this.bounds != null) { |
| for (int i = 0, length = this.bounds.length; i < length; i++) { |
| this.bounds[i].checkBounds(scope); |
| } |
| } |
| } |
| |
| public void resolve(ClassScope scope) { |
| // detect variable/type name collisions |
| if (this.binding != null) { |
| Scope outerScope = scope.parent; |
| Binding existingType = outerScope.getBinding(this.name, Binding.TYPE, this, false); |
| if (existingType != null && this.binding != existingType && existingType.isValidBinding()) { |
| scope.problemReporter().typeHiding(this, existingType); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.compiler.ast.AstNode#print(int, java.lang.StringBuffer) |
| */ |
| public StringBuffer printStatement(int indent, StringBuffer output) { |
| output.append(this.name); |
| if (this.type != null) { |
| output.append(" extends "); //$NON-NLS-1$ |
| this.type.print(0, output); |
| } |
| if (this.bounds != null){ |
| for (int i = 0; i < this.bounds.length; i++) { |
| output.append(" & "); //$NON-NLS-1$ |
| this.bounds[i].print(0, output); |
| } |
| } |
| return output; |
| } |
| |
| public void generateCode(BlockScope currentScope, CodeStream codeStream) { |
| // nothing to do |
| } |
| |
| public void traverse(ASTVisitor visitor, BlockScope scope) { |
| if (visitor.visit(this, scope)) { |
| if (type != null) { |
| type.traverse(visitor, scope); |
| } |
| if (bounds != null) { |
| int boundsLength = this.bounds.length; |
| for (int i = 0; i < boundsLength; i++) { |
| this.bounds[i].traverse(visitor, scope); |
| } |
| } |
| } |
| visitor.endVisit(this, scope); |
| } |
| |
| public void traverse(ASTVisitor visitor, ClassScope scope) { |
| if (visitor.visit(this, scope)) { |
| if (type != null) { |
| type.traverse(visitor, scope); |
| } |
| if (bounds != null) { |
| int boundsLength = this.bounds.length; |
| for (int i = 0; i < boundsLength; i++) { |
| this.bounds[i].traverse(visitor, scope); |
| } |
| } |
| } |
| visitor.endVisit(this, scope); |
| } |
| } |