|  | // 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, Expression* expr) | 
|  | : Expression(), op_(op), expr_(expr) {} | 
|  |  | 
|  | UnaryOpExpression::UnaryOpExpression(const Source& source, | 
|  | UnaryOp op, | 
|  | Expression* expr) | 
|  | : Expression(source), op_(op), expr_(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[" << result_type_str() << "]{" << 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 |