| // 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/block_statement.h" | 
 |  | 
 | #include "src/ast/clone_context.h" | 
 | #include "src/ast/module.h" | 
 |  | 
 | TINT_INSTANTIATE_CLASS_ID(tint::ast::BlockStatement); | 
 |  | 
 | namespace tint { | 
 | namespace ast { | 
 |  | 
 | BlockStatement::BlockStatement() : Base() {} | 
 |  | 
 | BlockStatement::BlockStatement(const Source& source) : Base(source) {} | 
 |  | 
 | BlockStatement::BlockStatement(BlockStatement&&) = default; | 
 |  | 
 | BlockStatement::~BlockStatement() = default; | 
 |  | 
 | BlockStatement* BlockStatement::Clone(CloneContext* ctx) const { | 
 |   auto* cloned = ctx->mod->create<BlockStatement>(ctx->Clone(source())); | 
 |   cloned->statements_ = ctx->Clone(statements_); | 
 |   return cloned; | 
 | } | 
 |  | 
 | bool BlockStatement::IsValid() const { | 
 |   for (auto* stmt : *this) { | 
 |     if (stmt == nullptr || !stmt->IsValid()) { | 
 |       return false; | 
 |     } | 
 |   } | 
 |   return true; | 
 | } | 
 |  | 
 | void BlockStatement::to_str(std::ostream& out, size_t indent) const { | 
 |   make_indent(out, indent); | 
 |   out << "Block{" << std::endl; | 
 |  | 
 |   for (auto* stmt : *this) { | 
 |     stmt->to_str(out, indent + 2); | 
 |   } | 
 |  | 
 |   make_indent(out, indent); | 
 |   out << "}" << std::endl; | 
 | } | 
 |  | 
 | }  // namespace ast | 
 | }  // namespace tint |