|  | // 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/assignment_statement.h" | 
|  |  | 
|  | namespace tint { | 
|  | namespace ast { | 
|  |  | 
|  | AssignmentStatement::AssignmentStatement() : Statement() {} | 
|  |  | 
|  | AssignmentStatement::AssignmentStatement(Expression* lhs, Expression* rhs) | 
|  | : Statement(), lhs_(lhs), rhs_(rhs) {} | 
|  |  | 
|  | AssignmentStatement::AssignmentStatement(const Source& source, | 
|  | Expression* lhs, | 
|  | Expression* rhs) | 
|  | : Statement(source), lhs_(lhs), rhs_(rhs) {} | 
|  |  | 
|  | AssignmentStatement::AssignmentStatement(AssignmentStatement&&) = default; | 
|  |  | 
|  | AssignmentStatement::~AssignmentStatement() = default; | 
|  |  | 
|  | bool AssignmentStatement::IsAssign() const { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | bool AssignmentStatement::IsValid() const { | 
|  | if (lhs_ == nullptr || !lhs_->IsValid()) | 
|  | return false; | 
|  | if (rhs_ == nullptr || !rhs_->IsValid()) | 
|  | return false; | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | void AssignmentStatement::to_str(std::ostream& out, size_t indent) const { | 
|  | make_indent(out, indent); | 
|  | out << "Assignment{" << std::endl; | 
|  | lhs_->to_str(out, indent + 2); | 
|  | rhs_->to_str(out, indent + 2); | 
|  | make_indent(out, indent); | 
|  | out << "}" << std::endl; | 
|  | } | 
|  |  | 
|  | }  // namespace ast | 
|  | }  // namespace tint |