|  | // 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/validator_impl.h" | 
|  |  | 
|  | namespace tint { | 
|  |  | 
|  | ValidatorImpl::ValidatorImpl() = default; | 
|  |  | 
|  | ValidatorImpl::~ValidatorImpl() = default; | 
|  |  | 
|  | void ValidatorImpl::set_error(const Source& src, const std::string& msg) { | 
|  | error_ = | 
|  | std::to_string(src.line) + ":" + std::to_string(src.column) + ": " + msg; | 
|  | } | 
|  |  | 
|  | bool ValidatorImpl::Validate(const ast::Module& module) { | 
|  | if (!CheckImports(module)) | 
|  | return false; | 
|  | return true; | 
|  | } | 
|  |  | 
|  | bool ValidatorImpl::CheckImports(const ast::Module& module) { | 
|  | for (const auto& import : module.imports()) { | 
|  | if (import->path() != "GLSL.std.450") { | 
|  | set_error(import->source(), "v-0001: unknown import: " + import->path()); | 
|  | return false; | 
|  | } | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | }  // namespace tint |