/*
* Copyright 2003-2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.codehaus.groovy.ast;
/**
* This class is used to describe generic type signatures
* for ClassNodes.
* @author Jochen Theodorou
* @see ClassNode
*/
public class GenericsType extends ASTNode {
/**
* Andys observations:
* - this is used to represent either a type variable with bounds (T extends I) or type parameter value (<String>). In the former I think
* just the name and bounds are used, whilst in the latter the type is used. If the name is used then it is a placeholder.
* but why does the first constructor take a set of parameters that wouldn't seem to make sense together?
*
*/
// FIXASC (groovychange) five from private to protected and first two non-final
protected ClassNode[] upperBounds;
protected ClassNode lowerBound;
protected ClassNode type;
protected String name;
protected boolean placeholder;
private boolean resolved;
private boolean wildcard;
public GenericsType(ClassNode type, ClassNode[] upperBounds, ClassNode lowerBound) {
this.type = type;
this.name = type.getName();
this.upperBounds = upperBounds;
this.lowerBound = lowerBound;
placeholder = false;
resolved = false;
}
// FIXASC (groovychange)
public GenericsType() {}
// end
public GenericsType(ClassNode basicType) {
this(basicType,null,null);
}
public ClassNode getType() {
return type;
}
public void setType(ClassNode type) {
this.type = type;
}
public String toString() {
String ret = name;
if (upperBounds!=null) {
ret += " extends ";
for (int i = 0; i < upperBounds.length; i++) {
ret += upperBounds[i].toString();
if (i+1<upperBounds.length) ret += " & ";
}
} else if (lowerBound!=null) {
ret += " super "+lowerBound;
}
return ret;
}
public ClassNode[] getUpperBounds() {
return upperBounds;
}
public String getName(){
return name;
}
public boolean isPlaceholder() {
return placeholder;
}
public void setPlaceholder(boolean placeholder) {
this.placeholder = placeholder;
}
public boolean isResolved() {
return resolved || placeholder;
}
public void setResolved(boolean res) {
resolved = res;
}
public void setName(String name) {
this.name = name;
}
public boolean isWildcard() {
return wildcard;
}
public void setWildcard(boolean wildcard) {
this.wildcard = wildcard;
}
public ClassNode getLowerBound() {
return lowerBound;
}
// FIXASC (groovychange)
public void setUpperBounds(ClassNode[] bounds) {
this.upperBounds = bounds;
}
public void setLowerBound(ClassNode bound) {
this.lowerBound = bound;
}
// end
}