| // Copyright 2020 The Tint Authors. | 
 | // | 
 | // 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. | 
 |  | 
 | #include "src/ast/unary_op_expression.h" | 
 |  | 
 | namespace tint { | 
 | namespace ast { | 
 |  | 
 | UnaryOpExpression::UnaryOpExpression() : Expression() {} | 
 |  | 
 | UnaryOpExpression::UnaryOpExpression(UnaryOp op, | 
 |                                      std::unique_ptr<Expression> expr) | 
 |     : Expression(), op_(op), expr_(std::move(expr)) {} | 
 |  | 
 | UnaryOpExpression::UnaryOpExpression(const Source& source, | 
 |                                      UnaryOp op, | 
 |                                      std::unique_ptr<Expression> expr) | 
 |     : Expression(source), op_(op), expr_(std::move(expr)) {} | 
 |  | 
 | UnaryOpExpression::UnaryOpExpression(UnaryOpExpression&&) = default; | 
 |  | 
 | UnaryOpExpression::~UnaryOpExpression() = default; | 
 |  | 
 | bool UnaryOpExpression::IsUnaryOp() const { | 
 |   return true; | 
 | } | 
 |  | 
 | bool UnaryOpExpression::IsValid() const { | 
 |   return expr_ != nullptr && expr_->IsValid(); | 
 | } | 
 |  | 
 | void UnaryOpExpression::to_str(std::ostream& out, size_t indent) const { | 
 |   make_indent(out, indent); | 
 |   out << "UnaryOp{" << std::endl; | 
 |   make_indent(out, indent + 2); | 
 |   out << op_ << std::endl; | 
 |   expr_->to_str(out, indent + 2); | 
 |   make_indent(out, indent); | 
 |   out << "}" << std::endl; | 
 | } | 
 |  | 
 | }  // namespace ast | 
 | }  // namespace tint |