Add capstone disassembler

src/analyzer/disassembler.cpp

@@ -0,0 +1,60 @@
+#include "std_include.hpp"
+
+#include "disassembler.hpp"
+
+disassembler::disassembler()
+{
+    const auto res = cs_open(CS_ARCH_X86, CS_MODE_64, &this->handle_);
+    if (res != CS_ERR_OK)
+    {
+        throw std::runtime_error("Failed to initialize capstone");
+    }
+}
+
+disassembler::~disassembler()
+{
+    this->release();
+}
+
+disassembler::disassembler(disassembler&& obj) noexcept
+{
+    this->operator=(std::move(obj));
+}
+
+disassembler& disassembler::operator=(disassembler&& obj) noexcept
+{
+    if (this != &obj)
+    {
+        this->release();
+        this->handle_ = obj.handle_;
+        obj.handle_ = 0;
+    }
+
+    return *this;
+}
+
+void disassembler::release()
+{
+    if (this->handle_)
+    {
+        cs_close(&this->handle_);
+        this->handle_ = 0;
+    }
+}
+
+instructions disassembler::disassemble(const std::span<const uint8_t> data, const size_t count) const
+{
+    cs_insn* insts{};
+    const auto inst_count = cs_disasm(this->handle_, data.data(), data.size(), count, 0, &insts);
+    return instructions{std::span(insts, inst_count)};
+}
+
+void instructions::release()
+{
+    if (!this->instructions_.empty())
+    {
+        cs_free(this->instructions_.data(), this->instructions_.size());
+    }
+
+    this->instructions_ = {};
+}