text: // Copyright 2018 The Amber 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.
  
  #ifndef SRC_VKSCRIPT_PARSER_H_
  #define SRC_VKSCRIPT_PARSER_H_
  
  #include <memory>
  #include <string>
  #include <utility>
  
  #include "amber/result.h"
  #include "src/parser.h"
  #include "src/script.h"
  #include "src/tokenizer.h"
  #include "src/vkscript/section_parser.h"
  
  namespace amber {
  namespace vkscript {
  
  /// Parser for the `VkScript` data format.
  class Parser : public amber::Parser {
   public:
    Parser();
    explicit Parser(Delegate* delegate);
    ~Parser() override;
  
    // amber::Parser
    Result Parse(const std::string& data) override;
  
    void SkipValidationForTest() { skip_validation_for_test_ = true; }
  
   private:
    bool skip_validation_for_test_ = false;
  
    std::string make_error(const Tokenizer& tokenizer, const std::string& err);
    Result GenerateDefaultPipeline(const SectionParser& section_parser);
    Result ProcessSection(const SectionParser::Section& section);
    Result ProcessShaderBlock(const SectionParser::Section& section);
    Result ProcessRequireBlock(const SectionParser::Section& section);
    Result ProcessIndicesBlock(const SectionParser::Section& section);
    Result ProcessVertexDataBlock(const SectionParser::Section& section);
    Result ProcessTestBlock(const SectionParser::Section& section);
  };
  
  }  // namespace vkscript
  }  // namespace amber
  
  #endif  // SRC_VKSCRIPT_PARSER_H_
  