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/*
* Copyright 2016 Miroslav Janíček
*
* 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 net.sandius.rembulan.parser.ast;
import net.sandius.rembulan.util.Check;
import java.util.List;
public abstract class CallExpr extends MultiExpr {
protected final List args;
protected CallExpr(Attributes attr, List args) {
super(attr);
this.args = Check.notNull(args);
}
public List args() {
return args;
}
public static class FunctionCallExpr extends CallExpr {
private final Expr fn;
public FunctionCallExpr(Attributes attr, Expr fn, List args) {
super(attr, args);
this.fn = Check.notNull(fn);
}
public Expr fn() {
return fn;
}
public FunctionCallExpr update(Expr fn, List args) {
if (this.fn.equals(fn) && this.args.equals(args)) {
return this;
}
else {
return new FunctionCallExpr(attributes(), fn, args);
}
}
@Override
public Expr accept(Transformer tf) {
return tf.transform(this);
}
}
public static class MethodCallExpr extends CallExpr {
private final Expr target;
private final Name methodName;
public MethodCallExpr(Attributes attr, Expr target, Name methodName, List args) {
super(attr, args);
this.target = Check.notNull(target);
this.methodName = Check.notNull(methodName);
}
public Expr target() {
return target;
}
public Name methodName() {
return methodName;
}
public MethodCallExpr update(Expr target, Name methodName, List args) {
if (this.target.equals(target) && this.methodName.equals(methodName) && this.args.equals(args)) {
return this;
}
else {
return new MethodCallExpr(attributes(), target, methodName, args);
}
}
@Override
public Expr accept(Transformer tf) {
return tf.transform(this);
}
}
}