// 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/tint/lang/spirv/reader/ast_parser/spirv_tools_helpers_test.h"

#include "gtest/gtest.h"
#include "spirv-tools/libspirv.hpp"
#include "src/tint/utils/text/string_stream.h"

namespace tint::spirv::reader::ast_parser::test {

std::vector<uint32_t> Assemble(const std::string& spirv_assembly) {
    // TODO(dneto): Use ScopedTrace?

    // (The target environment doesn't affect assembly.
    spvtools::SpirvTools tools(SPV_ENV_UNIVERSAL_1_0);
    StringStream errors;
    std::vector<uint32_t> result;
    tools.SetMessageConsumer([&errors](spv_message_level_t, const char*,
                                       const spv_position_t& position, const char* message) {
        errors << "assembly error:" << position.line << ":" << position.column << ": " << message;
    });

    const auto success =
        tools.Assemble(spirv_assembly, &result, SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
    EXPECT_TRUE(success) << errors.str();

    return result;
}

std::string Disassemble(const std::vector<uint32_t>& spirv_module) {
    spvtools::SpirvTools tools(SPV_ENV_UNIVERSAL_1_0);
    StringStream errors;
    tools.SetMessageConsumer([&errors](spv_message_level_t, const char*,
                                       const spv_position_t& position, const char* message) {
        errors << "disassmbly error:" << position.line << ":" << position.column << ": " << message;
    });

    std::string result;
    const auto success =
        tools.Disassemble(spirv_module, &result, SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES);
    EXPECT_TRUE(success) << errors.str();

    return result;
}

}  // namespace tint::spirv::reader::ast_parser::test