decomp.hpp

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#pragma once
#include <spdlog/spdlog.h>
#include <cstdint>
#include <linuxpe>
#include <optional>
#include <set>
#include <tuple>
#include <vector>
 
#include <decomp/routine.hpp>
#include <recomp/symbol_table.hpp>
 
#include <coff/archive.hpp>
#include <coff/image.hpp>
 
namespace theo::decomp {
 
using sym_data_t = std::tuple<coff::image_t*, coff::symbol_t*, std::uint32_t>;
 
class decomp_t {
 public:
  explicit decomp_t(std::vector<std::uint8_t>& lib,
                    recomp::symbol_table_t* syms);
 
  std::vector<routine_t> rtns();
 
  std::vector<std::uint8_t> lib();
 
  std::vector<std::vector<std::uint8_t>> objs();
 
  recomp::symbol_table_t* syms();
 
  std::map<coff::section_header_t*, std::size_t>& scn_hash_tbl();
 
  std::optional<recomp::symbol_table_t*> decompose(std::string& entry_sym);
 
 private:
  std::uint32_t ext_used_syms(const std::string&& entry_sym);
 
  std::optional<sym_data_t> get_symbol(const std::string_view& name);
 
  std::uint32_t next_sym(coff::image_t* img,
                         coff::section_header_t* hdr,
                         coff::symbol_t* s);
 
  const std::vector<std::uint8_t> m_lib;
  std::vector<std::vector<std::uint8_t>> m_objs;
  std::vector<routine_t> m_rtns;
  std::set<sym_data_t> m_used_syms;
  std::set<coff::image_t*> m_processed_objs;
  std::map<coff::section_header_t*, std::size_t> m_scn_hash_tbl;
  std::map<std::size_t, std::vector<sym_data_t>> m_lookup_tbl;
  recomp::symbol_table_t* m_syms;
};
}  // namespace theo::decomp