/*******************************************************************************
* Copyright (c) 2000, 2007 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.aspectj.org.eclipse.jdt.internal.compiler.ast;
import org.aspectj.org.eclipse.jdt.internal.compiler.ASTVisitor;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.CodeStream;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.BlockScope;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ClassScope;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Scope;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeVariableBinding;
public class TypeParameter extends AbstractVariableDeclaration {
public TypeVariableBinding binding;
public TypeReference[] bounds;
/**
* @see org.aspectj.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);
}
}
}
private void internalResolve(Scope scope, boolean staticContext) {
// detect variable/type name collisions
if (this.binding != null) {
Binding existingType = scope.parent.getBinding(this.name, Binding.TYPE, this, false/*do not resolve hidden field*/);
if (existingType != null
&& this.binding != existingType
&& existingType.isValidBinding()
&& (existingType.kind() != Binding.TYPE_PARAMETER || !staticContext)) {
scope.problemReporter().typeHiding(this, existingType);
}
}
}
public void resolve(BlockScope scope) {
internalResolve(scope, scope.methodScope().isStatic);
}
public void resolve(ClassScope scope) {
internalResolve(scope, scope.enclosingSourceType().isStatic());
}
/* (non-Javadoc)
* @see org.aspectj.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);
}
}