/**
* 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 java.util.EnumSet;
import java.util.Set;
import com.github.anba.es6draft.ast.scope.BlockScope;
/**
* <h1>13 ECMAScript Language: Statements and Declarations</h1><br>
* <h2>13.7 Iteration Statements</h2>
* <ul>
* <li>13.7.4 The for Statement
* </ul>
*/
public final class ForStatement extends IterationStatement implements ScopedNode {
private final BlockScope scope;
private final Node head;
private final Expression test;
private final Expression step;
private Statement statement;
public ForStatement(long beginPosition, long endPosition, BlockScope scope,
EnumSet<Abrupt> abrupt, Set<String> labelSet, Node head, Expression test,
Expression step, Statement statement) {
super(beginPosition, endPosition, abrupt, labelSet);
this.scope = scope;
this.head = head;
this.test = test;
this.step = step;
this.statement = statement;
}
@Override
public BlockScope getScope() {
return scope;
}
/**
* Returns the <code>for</code>-statement's head node. The head node is one of the following types:
* <ul>
* <li>{@link VariableStatement}: {@code for (var decl; ...)}
* <li>{@link LexicalDeclaration}: {@code for (let/const decl; ...)}
* <li>{@link Expression}: {@code for (expr; ...)}
* <li>or {@code null} if not present
* </ul>
*
* @return the head node or {@code null} if not present
*/
public Node getHead() {
return head;
}
/**
* Returns the <code>for</code>-statement's test expression node.
*
* @return the expression node or {@code null} if not present
*/
public Expression getTest() {
return test;
}
/**
* Returns the <code>for</code>-statement's step expression node.
*
* @return the expression node or {@code null} if not present
*/
public Expression getStep() {
return step;
}
/**
* Returns the <code>for</code>-statement's statement node.
*
* @return the statement node
*/
@Override
public Statement getStatement() {
return statement;
}
/**
* Sets the <code>for</code>-statement's statement node.
*
* @param statement
* the new statement node
*/
@Override
public void setStatement(Statement statement) {
this.statement = statement;
}
@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);
}
}