text: // Copyright (c) 2015-2016 The Khronos Group Inc.
  //
  // 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 "source/table.h"
  
  #include <utility>
  
  spv_context spvContextCreate(spv_target_env env) {
    switch (env) {
      case SPV_ENV_UNIVERSAL_1_0:
      case SPV_ENV_VULKAN_1_0:
      case SPV_ENV_UNIVERSAL_1_1:
      case SPV_ENV_OPENCL_1_2:
      case SPV_ENV_OPENCL_EMBEDDED_1_2:
      case SPV_ENV_OPENCL_2_0:
      case SPV_ENV_OPENCL_EMBEDDED_2_0:
      case SPV_ENV_OPENCL_2_1:
      case SPV_ENV_OPENCL_EMBEDDED_2_1:
      case SPV_ENV_OPENCL_2_2:
      case SPV_ENV_OPENCL_EMBEDDED_2_2:
      case SPV_ENV_OPENGL_4_0:
      case SPV_ENV_OPENGL_4_1:
      case SPV_ENV_OPENGL_4_2:
      case SPV_ENV_OPENGL_4_3:
      case SPV_ENV_OPENGL_4_5:
      case SPV_ENV_UNIVERSAL_1_2:
      case SPV_ENV_UNIVERSAL_1_3:
      case SPV_ENV_VULKAN_1_1:
      case SPV_ENV_VULKAN_1_1_SPIRV_1_4:
      case SPV_ENV_UNIVERSAL_1_4:
      case SPV_ENV_UNIVERSAL_1_5:
      case SPV_ENV_VULKAN_1_2:
        break;
      default:
        return nullptr;
    }
  
    spv_opcode_table opcode_table;
    spv_operand_table operand_table;
    spv_ext_inst_table ext_inst_table;
  
    spvOpcodeTableGet(&opcode_table, env);
    spvOperandTableGet(&operand_table, env);
    spvExtInstTableGet(&ext_inst_table, env);
  
    return new spv_context_t{env, opcode_table, operand_table, ext_inst_table,
                             nullptr /* a null default consumer */};
  }
  
  void spvContextDestroy(spv_context context) { delete context; }
  
  void spvtools::SetContextMessageConsumer(spv_context context,
                                           spvtools::MessageConsumer consumer) {
    context->consumer = std::move(consumer);
  }
  