/*******************************************************************************
* Copyright (c) 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.core.compiler.ast.nodes;
import org.eclipse.dltk.ast.ASTVisitor;
import org.eclipse.dltk.ast.expressions.Expression;
import org.eclipse.dltk.ast.references.Reference;
import org.eclipse.dltk.utils.CorePrinter;
import org.eclipse.php.internal.core.compiler.ast.visitor.ASTPrintVisitor;
/**
* Represents include, include_once, require and require_once expressions
*
* <pre>
* e.g.
*
* <pre>
* include('myFile.php'), include_once($myFile),
* require($myClass->getFileName()), require_once(A::FILE_NAME)
*/
public class Include extends Reference {
public static final int IT_REQUIRE = 0;
public static final int IT_REQUIRE_ONCE = 1;
public static final int IT_INCLUDE = 2;
public static final int IT_INCLUDE_ONCE = 3;
private final Expression expr;
private final int includeType;
public Include(int start, int end, Expression expr, int type) {
super(start, end);
assert expr != null;
this.expr = expr;
this.includeType = type;
}
public String getType() {
switch (getIncludeType()) {
case IT_REQUIRE:
return "require"; //$NON-NLS-1$
case IT_REQUIRE_ONCE:
return "require_once"; //$NON-NLS-1$
case IT_INCLUDE:
return "include"; //$NON-NLS-1$
case IT_INCLUDE_ONCE:
return "include_once"; //$NON-NLS-1$
default:
throw new IllegalArgumentException();
}
}
public void traverse(ASTVisitor visitor) throws Exception {
final boolean visit = visitor.visit(this);
if (visit) {
expr.traverse(visitor);
}
visitor.endvisit(this);
}
public int getKind() {
return ASTNodeKinds.INCLUDE;
}
public Expression getExpr() {
return expr;
}
public int getIncludeType() {
return includeType;
}
public String getStringRepresentation() {
return getType();
}
/**
* We don't print anything - we use {@link ASTPrintVisitor} instead
*/
public final void printNode(CorePrinter output) {
}
public String toString() {
return ASTPrintVisitor.toXMLString(this);
}
}