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// Copyright (c) 2016 Google 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 "build_module.h"
#include "ir_context.h"
#include "ir_loader.h"
#include "make_unique.h"
#include "table.h"
namespace spvtools {
namespace {
// Sets the module header for IrLoader. Meets the interface requirement of
// spvBinaryParse().
spv_result_t SetSpvHeader(void* builder, spv_endianness_t, uint32_t magic,
uint32_t version, uint32_t generator,
uint32_t id_bound, uint32_t reserved) {
reinterpret_cast<ir::IrLoader*>(builder)->SetModuleHeader(
magic, version, generator, id_bound, reserved);
return SPV_SUCCESS;
};
// Processes a parsed instruction for IrLoader. Meets the interface requirement
// of spvBinaryParse().
spv_result_t SetSpvInst(void* builder, const spv_parsed_instruction_t* inst) {
if (reinterpret_cast<ir::IrLoader*>(builder)->AddInstruction(inst)) {
return SPV_SUCCESS;
}
return SPV_ERROR_INVALID_BINARY;
};
} // namespace
std::unique_ptr<ir::IRContext> BuildModule(spv_target_env env,
MessageConsumer consumer,
const uint32_t* binary,
const size_t size) {
auto context = spvContextCreate(env);
libspirv::SetContextMessageConsumer(context, consumer);
auto irContext = MakeUnique<ir::IRContext>(env, consumer);
ir::IrLoader loader(consumer, irContext->module());
spv_result_t status = spvBinaryParse(context, &loader, binary, size,
SetSpvHeader, SetSpvInst, nullptr);
loader.EndModule();
spvContextDestroy(context);
return status == SPV_SUCCESS ? std::move(irContext) : nullptr;
}
std::unique_ptr<ir::IRContext> BuildModule(spv_target_env env,
MessageConsumer consumer,
const std::string& text,
uint32_t assemble_options) {
SpirvTools t(env);
t.SetMessageConsumer(consumer);
std::vector<uint32_t> binary;
if (!t.Assemble(text, &binary, assemble_options)) return nullptr;
return BuildModule(env, consumer, binary.data(), binary.size());
}
} // namespace spvtools
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