/**
* Copyright (c) 2012-2016 André Bargull
* Alle Rechte vorbehalten / All Rights Reserved. Use is subject to license terms.
*
* <https://github.com/anba/es6draft>
*/
package com.github.anba.es6draft.ast;
import static com.github.anba.es6draft.semantics.StaticSemantics.ContainsExpression;
import static com.github.anba.es6draft.semantics.StaticSemantics.IsSimpleParameterList;
import java.util.Iterator;
import java.util.List;
/**
* <h1>14 ECMAScript Language: Functions and Classes</h1>
* <ul>
* <li>14.1 Function Definitions
* </ul>
*/
public final class FormalParameterList extends AstNode implements Iterable<FormalParameter> {
private final List<FormalParameter> formals;
private final boolean simpleParameterList;
private final boolean containsExpression;
public FormalParameterList(long beginPosition, long endPosition, List<FormalParameter> formals) {
super(beginPosition, endPosition);
this.formals = formals;
this.simpleParameterList = IsSimpleParameterList(formals);
this.containsExpression = ContainsExpression(formals);
}
/**
* Returns the list of formal parameters.
*
* @return the list of formal parameters
*/
public List<FormalParameter> getFormals() {
return formals;
}
/**
* Returns {@code true} for simple parameter lists.
*
* @return {@code true} if this parameter list contains only simple parameters
*/
public boolean isSimpleParameterList() {
return simpleParameterList;
}
/**
* Returns {@code true} for parameter lists with expressions.
*
* @return {@code true} if this parameter list contains expression nodes
*/
public boolean containsExpression() {
return containsExpression;
}
@Override
public Iterator<FormalParameter> iterator() {
return formals.iterator();
}
@Override
public <R, V> R accept(NodeVisitor<R, V> visitor, V value) {
return visitor.visit(this, value);
}
@Override
public <V> int accept(IntNodeVisitor<V> visitor, V value) {
return visitor.visit(this, value);
}
@Override
public <V> void accept(VoidNodeVisitor<V> visitor, V value) {
visitor.visit(this, value);
}
}