/**
* 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;
/**
* <h1>15 ECMAScript Language: Scripts and Modules</h1><br>
* <h2>15.2 Modules</h2>
* <ul>
* <li>15.2.2 Imports
* </ul>
*/
public final class ImportDeclaration extends ModuleItem {
private final Type type;
private final ImportClause importClause;
private final String moduleSpecifier;
/**
* The import declaration type.
*/
public enum Type {
/**
* Import type: {@code import <thing> from module}
*/
ImportFrom,
/**
* Import type: {@code import module}
*/
ImportModule
}
public ImportDeclaration(long beginPosition, long endPosition, ImportClause importClause,
String moduleSpecifier) {
super(beginPosition, endPosition);
this.type = Type.ImportFrom;
this.importClause = importClause;
this.moduleSpecifier = moduleSpecifier;
}
public ImportDeclaration(long beginPosition, long endPosition, String moduleSpecifier) {
super(beginPosition, endPosition);
this.type = Type.ImportModule;
this.importClause = null;
this.moduleSpecifier = moduleSpecifier;
}
/**
* Returns the import declaration type.
*
* @return the import type
*/
public Type getType() {
return type;
}
/**
* Returns the optional import clause of this import declaration.
*
* @return the import clause or {@code null}
*/
public ImportClause getImportClause() {
return importClause;
}
/**
* Returns the module specifier of this import declaration.
*
* @return the module specifier
*/
public String getModuleSpecifier() {
return moduleSpecifier;
}
@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);
}
}