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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/zucchini/disassembler.h"
#include "base/check_op.h"
namespace zucchini {
/******** EmptyReferenceReader ********/
std::optional<Reference> EmptyReferenceReader::GetNext() {
return std::nullopt;
}
/******** EmptyReferenceWriter ********/
void EmptyReferenceWriter::PutNext(Reference /* reference */) {}
/******** ReferenceGroup ********/
std::unique_ptr<ReferenceReader> ReferenceGroup::GetReader(
offset_t lower,
offset_t upper,
Disassembler* disasm) const {
DCHECK_LE(lower, upper);
DCHECK_LE(upper, disasm->size());
return (disasm->*reader_factory_)(lower, upper);
}
std::unique_ptr<ReferenceReader> ReferenceGroup::GetReader(
Disassembler* disasm) const {
return (disasm->*reader_factory_)(0, static_cast<offset_t>(disasm->size()));
}
std::unique_ptr<ReferenceWriter> ReferenceGroup::GetWriter(
MutableBufferView image,
Disassembler* disasm) const {
DCHECK_EQ(image.begin(), disasm->image().begin());
DCHECK_EQ(image.size(), disasm->size());
return (disasm->*writer_factory_)(image);
}
std::unique_ptr<ReferenceMixer> ReferenceGroup::GetMixer(
ConstBufferView old_image,
ConstBufferView new_image,
Disassembler* disasm) const {
if (mixer_factory_)
return (disasm->*mixer_factory_)(old_image, new_image);
return nullptr;
}
/******** Disassembler ********/
Disassembler::Disassembler(int num_equivalence_iterations)
: num_equivalence_iterations_(num_equivalence_iterations) {}
Disassembler::~Disassembler() = default;
} // namespace zucchini
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