org.sonar.javascript.tree.impl.expression.PrefixExpressionTreeImpl Maven / Gradle / Ivy
/*
* SonarQube JavaScript Plugin
* Copyright (C) 2011-2018 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.javascript.tree.impl.expression;
import com.google.common.base.Preconditions;
import com.google.common.collect.Iterators;
import java.util.Iterator;
import org.sonar.javascript.tree.impl.JavaScriptTree;
import org.sonar.javascript.tree.impl.lexical.InternalSyntaxToken;
import org.sonar.javascript.tree.symbols.type.TypableTree;
import org.sonar.plugins.javascript.api.symbols.Type;
import org.sonar.plugins.javascript.api.symbols.TypeSet;
import org.sonar.plugins.javascript.api.tree.Tree;
import org.sonar.plugins.javascript.api.tree.expression.ExpressionTree;
import org.sonar.plugins.javascript.api.tree.expression.UnaryExpressionTree;
import org.sonar.plugins.javascript.api.tree.lexical.SyntaxToken;
import org.sonar.plugins.javascript.api.visitors.DoubleDispatchVisitor;
public class PrefixExpressionTreeImpl extends JavaScriptTree implements UnaryExpressionTree, TypableTree {
private final Kind kind;
private final InternalSyntaxToken operator;
private final ExpressionTree expression;
private TypeSet types = TypeSet.emptyTypeSet();
public PrefixExpressionTreeImpl(Kind kind, InternalSyntaxToken operator, ExpressionTree expression) {
this.kind = Preconditions.checkNotNull(kind);
this.operator = operator;
this.expression = Preconditions.checkNotNull(expression);
}
@Override
public Kind getKind() {
return kind;
}
@Override
public SyntaxToken operatorToken() {
return operator;
}
@Override
public ExpressionTree expression() {
return expression;
}
@Override
public Iterator childrenIterator() {
return Iterators.forArray(operator, expression);
}
@Override
public void accept(DoubleDispatchVisitor visitor) {
visitor.visitUnaryExpression(this);
}
@Override
public TypeSet types() {
return types.immutableCopy();
}
@Override
public void add(Type type) {
this.types.add(type);
}
}