/**
* 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.runtime.modules;
/**
* 15.2.1.18 Static Semantics: ResolveExport( modules, moduleName, exportName, circularitySet)
*
*/
public final class ModuleExport {
/**
* Singleton instance to represent ambiguous module exports.
*/
public static final ModuleExport AMBIGUOUS = new ModuleExport(null, null);
private final ModuleRecord module;
private final String bindingName;
public ModuleExport(ModuleRecord module, String bindingName) {
this.module = module;
this.bindingName = bindingName;
}
public ModuleExport(ModuleRecord module) {
this.module = module;
this.bindingName = null;
}
/**
* Returns the resolved module record.
*
* @return the module record
*/
public ModuleRecord getModule() {
return module;
}
/**
* Returns the resolved binding name.
*
* @return the binding name or {@code null} for namespace exports
*/
public String getBindingName() {
return bindingName;
}
/**
* Returns {@code true} if the module export exports a namespace object
*
* @return {@code true} for namespace exports
*/
public boolean isNameSpaceExport() {
return bindingName == null;
}
/**
* Returns {@code true} if the module export is ambiguous.
*
* @return {@code true} if the module export is ambiguous
*/
public boolean isAmbiguous() {
return this == AMBIGUOUS;
}
}