com.google.api.generator.engine.ast.ScopeNode Maven / Gradle / Ivy
// Copyright 2020 Google LLC
//
// 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 com.google.api.generator.engine.ast;
public class ScopeNode implements AstNode {
private enum ScopeKind {
LOCAL, // Placeholder for local scopes.
PRIVATE,
PROTECTED,
PUBLIC;
}
private final ScopeKind scopeKind;
private ScopeNode(ScopeKind scopeKind) {
this.scopeKind = scopeKind;
}
public static final ScopeNode PRIVATE = new ScopeNode(ScopeKind.PRIVATE);
public static final ScopeNode PROTECTED = new ScopeNode(ScopeKind.PROTECTED);
public static final ScopeNode PUBLIC = new ScopeNode(ScopeKind.PUBLIC);
public static final ScopeNode LOCAL = new ScopeNode(ScopeKind.LOCAL);
@Override
public String toString() {
switch (scopeKind) {
case PRIVATE:
return "private";
case PROTECTED:
return "protected";
case PUBLIC:
return "public";
case LOCAL:
default:
return "";
}
}
@Override
public void accept(AstNodeVisitor visitor) {
visitor.visit(this);
}
@Override
public boolean equals(Object o) {
if (!(o instanceof ScopeNode)) {
return false;
}
ScopeNode scope = (ScopeNode) o;
return scopeKind.equals(scope.scopeKind);
}
@Override
public int hashCode() {
return 17 * scopeKind.hashCode();
}
}