org.jetbrains.kotlin.name.SpecialNames Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.name;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class SpecialNames {
public static final Name NO_NAME_PROVIDED = Name.special("");
public static final Name ROOT_PACKAGE = Name.special("");
public static final Name DEFAULT_NAME_FOR_COMPANION_OBJECT = Name.identifier("Companion");
// This name is used as a key for the case when something has no name _due to a syntactic error_
// Example: fun (x: Int) = 5
// There's no name for this function in the PSI
// The name contains a GUID to avoid clashes, if a clash happens, it's not a big deal: the code does not compile anyway
public static final Name SAFE_IDENTIFIER_FOR_NO_NAME = Name.identifier("no_name_in_PSI_3d19d79d_1ba9_4cd0_b7f5_b46aa3cd5d40");
@NotNull
public static Name safeIdentifier(@Nullable Name name) {
return name != null && !name.isSpecial() ? name : SAFE_IDENTIFIER_FOR_NO_NAME;
}
public static boolean isSafeIdentifier(@NotNull Name name) {
return !name.asString().isEmpty() && !name.isSpecial();
}
private SpecialNames() {}
}