com.google.javascript.rhino.jstype.AllType Maven / Gradle / Ivy
/*
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bob Jervis
* Google Inc.
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package com.google.javascript.rhino.jstype;
import static com.google.javascript.rhino.jstype.TernaryValue.UNKNOWN;
import com.google.javascript.rhino.ErrorReporter;
/**
* All type, representing all values.
*/
public final class AllType extends JSType {
AllType(JSTypeRegistry registry) {
super(registry);
this.eagerlyResolveToSelf();
}
@Override
JSTypeClass getTypeClass() {
return JSTypeClass.ALL;
}
@Override
public boolean isAllType() {
return true;
}
@Override
public boolean matchesStringContext() {
// Be lenient.
return true;
}
@Override
public boolean matchesObjectContext() {
// Be lenient.
return true;
}
@Override
public TernaryValue testForEquality(JSType that) {
return UNKNOWN;
}
@Override
void appendTo(TypeStringBuilder sb) {
sb.append("*");
}
@Override
public String getDisplayName() {
return "";
}
@Override
public boolean hasDisplayName() {
return true;
}
@Override
public T visit(Visitor visitor) {
return visitor.caseAllType();
}
@Override T visit(RelationshipVisitor visitor, JSType that) {
return visitor.caseAllType(that);
}
@Override
public BooleanLiteralSet getPossibleToBooleanOutcomes() {
return BooleanLiteralSet.BOTH;
}
@Override
final JSType resolveInternal(ErrorReporter reporter) {
throw new AssertionError();
}
@Override
int recursionUnsafeHashCode() {
return System.identityHashCode(this);
}
@Override
public boolean isNullable() {
return true;
}
@Override
public boolean isVoidable() {
return true;
}
}