com.google.gwt.dev.jjs.ast.JNewInstance Maven / Gradle / Ivy
/*
* Copyright 2007 Google Inc.
*
* 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 com.google.gwt.dev.jjs.ast;
import com.google.gwt.dev.jjs.SourceInfo;
/**
* A new instance expression.
*/
public class JNewInstance extends JMethodCall {
/**
* The enclosing type of this new operation, used to compute clinit.
*/
private final JDeclaredType enclosingType;
/**
* Initialize a new instance operation equivalent to another one. The new
* object has no arguments on initialization. This forces the caller to
* potentially deal with cloning objects if needed.
*/
public JNewInstance(JNewInstance other) {
super(other, null);
this.enclosingType = other.enclosingType;
}
public JNewInstance(SourceInfo info, JConstructor ctor, JDeclaredType enclosingType) {
super(info, null, ctor);
this.enclosingType = enclosingType;
setStaticDispatchOnly();
}
public JClassType getClassType() {
return getTarget().getEnclosingType();
}
public JDeclaredType getEnclosingType() {
return enclosingType;
}
@Override
public JConstructor getTarget() {
return (JConstructor) super.getTarget();
}
@Override
public JNonNullType getType() {
return getTarget().getNewType();
}
public boolean hasClinit() {
return getEnclosingType().checkClinitTo(getTarget().getEnclosingType());
}
@Override
public boolean hasSideEffects() {
if (hasClinit()) {
return true;
}
for (JExpression arg : getArgs()) {
if (arg.hasSideEffects()) {
return true;
}
}
return !getTarget().isEmpty();
}
@Override
public void traverse(JVisitor visitor, Context ctx) {
if (visitor.visit(this, ctx)) {
visitChildren(visitor);
}
visitor.endVisit(this, ctx);
}
}