feat! breaking changes on necti sources.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 0 insertions, 1204 deletions

diff --git a/dev/CompilerKit/src/Backend/AssemblerAMD64.cc b/dev/CompilerKit/src/Backend/AssemblerAMD64.cc
deleted file mode 100644
index 8c7e21c..0000000
--- a/dev/CompilerKit/src/Backend/AssemblerAMD64.cc
+++ /dev/null
@@ -1,1204 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025 Amlal El Mahrouss, Licensed under the Apache 2.0 license
-
-======================================== */
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-/// @file AssemblerAMD64.cc
-/// @author Amlal El Mahrouss
-/// @brief AMD64 Assembler.
-/// REMINDER: when dealing with an undefined symbol use (string
-/// size):LinkerFindSymbol:(string) so that ld will look for it.
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-/// bugs: 0
-
-/// feature request: 1
-/// Encode registers in mov, add, xor...
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-#ifndef __ASM_NEED_AMD64__
-#define __ASM_NEED_AMD64__ 1
-#endif
-
-#define kAssemblerPragmaSymStr "%%"
-#define kAssemblerPragmaSym '%'
-
-#include <CompilerKit/AE.h>
-#include <CompilerKit/Frontend.h>
-#include <CompilerKit/PEF.h>
-#include <CompilerKit/impl/X64.h>
-#include <algorithm>
-#include <cstdlib>
-#include <filesystem>
-#include <fstream>
-#include <iostream>
-#include <vector>
-
-/////////////////////
-
-// ANSI ESCAPE CODES
-
-/////////////////////
-
-#define kBlank "\e[0;30m"
-#define kRed "\e[0;31m"
-#define kWhite "\e[0;97m"
-#define kYellow "\e[0;33m"
-
-static char kOutputArch = CompilerKit::kPefArchAMD64;
-
-static constexpr auto kIPAlignement = 0x1U;
-static auto           kCounter      = 0x1UL;
-
-static std::uintptr_t                                      kOrigin = kPefBaseOrigin;
-static std::vector<std::pair<std::string, std::uintptr_t>> kOriginLabel;
-
-/// @brief keep it simple by default.
-static std::int32_t kRegisterBitWidth = 16U;
-
-static std::vector<i64_byte_t> kAppBytes;
-
-static CompilerKit::AERecordHeader kCurrentRecord{
-    .fName = "", .fKind = CompilerKit::kPefCode, .fSize = 0, .fOffset = 0};
-
-static std::vector<CompilerKit::AERecordHeader> kRecords;
-static std::vector<std::string>                 kDefinedSymbols;
-static std::vector<std::string>                 kUndefinedSymbols;
-
-static const std::string kUndefinedSymbol = ":UndefinedSymbol:";
-
-// \brief forward decl.
-static bool asm_read_attributes(std::string line);
-
-#include <CompilerKit/utils/AsmUtils.h>
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-// @brief AMD64 assembler entrypoint, the program/module starts here.
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-NECTI_MODULE(AssemblerMainAMD64) {
-  //////////////// CPU OPCODES BEGIN ////////////////
-
-  CompilerKit::install_signal(SIGSEGV, Detail::drvi_crash_handler);
-
-  std::string opcodes_jump[kJumpLimit] = {"ja",  "jae",  "jb",  "jbe",  "jc",  "je",   "jg",  "jge",
-                                          "jl",  "jle",  "jna", "jnae", "jnb", "jnbe", "jnc", "jne",
-                                          "jng", "jnge", "jnl", "jnle", "jno", "jnp",  "jns", "jnz",
-                                          "jo",  "jp",   "jpe", "jpo",  "js",  "jz"};
-
-  for (i64_hword_t i = 0; i < kJumpLimit; i++) {
-    CpuOpcodeAMD64 code{.fName   = opcodes_jump[i],
-                        .fOpcode = static_cast<i64_hword_t>(kAsmJumpOpcode + i)};
-    kOpcodesAMD64.push_back(code);
-  }
-
-  CpuOpcodeAMD64 code{.fName = "jcxz", .fOpcode = 0xE3};
-  kOpcodesAMD64.push_back(code);
-
-  for (i64_hword_t i = kJumpLimitStandard; i < kJumpLimitStandardLimit; i++) {
-    CpuOpcodeAMD64 code{.fName = "jmp", .fOpcode = i};
-    kOpcodesAMD64.push_back(code);
-  }
-
-  CpuOpcodeAMD64 lahf{.fName = "lahf", .fOpcode = 0x9F};
-  kOpcodesAMD64.push_back(lahf);
-
-  CpuOpcodeAMD64 lds{.fName = "lds", .fOpcode = 0xC5};
-  kOpcodesAMD64.push_back(lds);
-
-  CpuOpcodeAMD64 lea{.fName = "lea", .fOpcode = 0x8D};
-  kOpcodesAMD64.push_back(lea);
-
-  CpuOpcodeAMD64 nop{.fName = "nop", .fOpcode = 0x90};
-  kOpcodesAMD64.push_back(nop);
-
-  //////////////// CPU OPCODES END ////////////////
-
-  for (size_t i = 1; i < argc; ++i) {
-    if (argv[i][0] == '-') {
-      if (strcmp(argv[i], "--amd64:ver") == 0 || strcmp(argv[i], "--amd64:v") == 0) {
-        kStdOut << "AssemblerAMD64: AMD64 Assembler Driver.\nAssemblerAMD64: "
-                   "v1.10\nAssemblerAMD64: Copyright "
-                   "(c) Amlal El Mahrouss\n";
-        return 0;
-      } else if (strcmp(argv[i], "--amd64:h") == 0) {
-        kStdOut << "AssemblerAMD64: AMD64 Assembler Driver.\nAssemblerAMD64: Copyright (c) 2024 "
-                   "Amlal El Mahrouss\n";
-        kStdOut << "--version: Print program version.\n";
-        kStdOut << "--verbose: Print verbose output.\n";
-        kStdOut << "--binary: Output as flat binary.\n";
-
-        return 0;
-      } else if (strcmp(argv[i], "--amd64:binary") == 0) {
-        kOutputAsBinary = true;
-        continue;
-      } else if (strcmp(argv[i], "--amd64:verbose") == 0) {
-        kVerbose = true;
-        continue;
-      }
-
-      kStdOut << "AssemblerAMD64: ignore " << argv[i] << "\n";
-      continue;
-    }
-
-    if (!std::filesystem::exists(argv[i])) {
-      kStdOut << "AssemblerAMD64: can't open: " << argv[i] << std::endl;
-      goto asm_fail_exit;
-    }
-
-    std::string object_output(argv[i]);
-    std::string asm_input(argv[i]);
-
-    for (auto& ext : kAsmFileExts) {
-      if (object_output.ends_with(ext)) {
-        object_output.erase(object_output.find(ext), std::strlen(ext));
-        break;
-      }
-    }
-
-    object_output += kOutputAsBinary ? kBinaryFileExt : kObjectFileExt;
-
-    std::ifstream file_ptr(argv[i]);
-    std::ofstream file_ptr_out(object_output, std::ofstream::binary);
-
-    kStdOut << "AssemblerAMD64: Assembling: " << argv[i] << "\n";
-
-    if (file_ptr_out.bad()) {
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: error: " << strerror(errno) << "\n";
-      }
-
-      return 1;
-    }
-
-    std::string line;
-
-    CompilerKit::AEHeader hdr{0};
-
-    memset(hdr.fPad, kAENullType, kAEPad);
-
-    hdr.fMagic[0] = kAEMag0;
-    hdr.fMagic[1] = kAEMag1;
-    hdr.fSize     = sizeof(CompilerKit::AEHeader);
-    hdr.fArch     = kOutputArch;
-
-    /////////////////////////////////////////////////////////////////////////////////////////
-
-    // COMPILATION LOOP
-
-    /////////////////////////////////////////////////////////////////////////////////////////
-
-    CompilerKit::EncoderAMD64 asm64;
-
-    if (kVerbose) {
-      kStdOut << "Compiling: " + asm_input << "\n";
-      kStdOut << "From: " + line << "\n";
-    }
-
-    while (std::getline(file_ptr, line)) {
-      if (auto ln = asm64.CheckLine(line, argv[i]); !ln.empty()) {
-        Detail::print_error(ln, argv[i]);
-        continue;
-      }
-
-      try {
-        asm_read_attributes(line);
-        asm64.WriteLine(line, argv[i]);
-      } catch (const std::exception& e) {
-        if (kVerbose) {
-          std::string what = e.what();
-          Detail::print_warning("exit because of: " + what, "CompilerKit");
-        }
-
-        try {
-          std::filesystem::remove(object_output);
-        } catch (...) {
-        }
-
-        goto asm_fail_exit;
-      }
-    }
-
-    if (!kOutputAsBinary) {
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Writing object file...\n";
-      }
-
-      // this is the final step, write everything to the file.
-
-      auto pos = file_ptr_out.tellp();
-
-      hdr.fCount = kRecords.size() + kUndefinedSymbols.size();
-
-      file_ptr_out << hdr;
-
-      if (kRecords.empty()) {
-        kStdErr << "AssemblerAMD64: At least one record is needed to write an object "
-                   "file.\nAssemblerAMD64: Make one using `public_segment .code64 foo_bar`.\n";
-
-        std::filesystem::remove(object_output);
-        return 1;
-      }
-
-      kRecords[kRecords.size() - 1].fSize = kAppBytes.size();
-
-      std::size_t record_count = 0UL;
-
-      for (auto& rec : kRecords) {
-        if (kVerbose) kStdOut << "AssemblerAMD64: Wrote record " << rec.fName << " to file...\n";
-
-        rec.fFlags |= CompilerKit::kKindRelocationAtRuntime;
-        rec.fOffset = record_count;
-        ++record_count;
-
-        file_ptr_out << rec;
-      }
-
-      // increment once again, so that we won't lie about the kUndefinedSymbols.
-      ++record_count;
-
-      for (auto& sym : kUndefinedSymbols) {
-        CompilerKit::AERecordHeader _record_hdr{0};
-
-        if (kVerbose) kStdOut << "AssemblerAMD64: Wrote symbol " << sym << " to file...\n";
-
-        _record_hdr.fKind   = kAENullType;
-        _record_hdr.fSize   = sym.size();
-        _record_hdr.fOffset = record_count;
-
-        ++record_count;
-
-        memset(_record_hdr.fPad, kAENullType, kAEPad);
-        memcpy(_record_hdr.fName, sym.c_str(), sym.size());
-
-        file_ptr_out << _record_hdr;
-
-        ++kCounter;
-      }
-
-      auto pos_end = file_ptr_out.tellp();
-
-      file_ptr_out.seekp(pos);
-
-      hdr.fStartCode = pos_end;
-      hdr.fCodeSize  = kAppBytes.size();
-
-      file_ptr_out << hdr;
-
-      file_ptr_out.seekp(pos_end);
-    } else {
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Write raw binary...\n";
-      }
-    }
-
-    // byte from byte, we write this.
-    for (auto& byte : kAppBytes) {
-      if (byte == 0) continue;
-
-      if (byte == 0xFF) {
-        byte = 0;
-      }
-
-      file_ptr_out << reinterpret_cast<const char*>(&byte)[0];
-    }
-
-    if (kVerbose) kStdOut << "AssemblerAMD64: Wrote file with program in it.\n";
-
-    file_ptr_out.flush();
-    file_ptr_out.close();
-
-    if (kVerbose) kStdOut << "AssemblerAMD64: Exit succeeded.\n";
-
-    return 0;
-  }
-
-asm_fail_exit:
-
-  if (kVerbose) kStdOut << "AssemblerAMD64: Exit failed.\n";
-
-  return 1;
-}
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-// @brief Check for attributes
-// returns true if any was found.
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-static bool asm_read_attributes(std::string line) {
-  // extern_segment is the opposite of public_segment, it signals to the ld
-  // that we need this symbol.
-  if (CompilerKit::find_word(line, "extern_segment")) {
-    if (kOutputAsBinary) {
-      Detail::print_error("Invalid directive in flat binary mode.", "CompilerKit");
-      throw std::runtime_error("invalid_extern_segment_bin");
-    }
-
-    auto name = line.substr(line.find("extern_segment") + strlen("extern_segment") + 1);
-
-    if (name.size() == 0) {
-      Detail::print_error("Invalid extern_segment", "power-as");
-      throw std::runtime_error("invalid_extern_segment");
-    }
-
-    std::string result = std::to_string(name.size());
-    result += kUndefinedSymbol;
-
-    // mangle this
-    for (char& j : name) {
-      if (j == ' ' || j == ',') j = '$';
-    }
-
-    result += name;
-
-    if (name.find(kPefCode64) != std::string::npos) {
-      // data is treated as code.
-      kCurrentRecord.fKind = CompilerKit::kPefCode;
-    } else if (name.find(kPefData64) != std::string::npos) {
-      // no code will be executed from here.
-      kCurrentRecord.fKind = CompilerKit::kPefData;
-    } else if (name.find(kPefZero64) != std::string::npos) {
-      // this is a bss section.
-      kCurrentRecord.fKind = CompilerKit::kPefZero;
-    }
-
-    // this is a special case for the start stub.
-    // we want this so that ld can find it.
-
-    if (name == kPefStart) {
-      kCurrentRecord.fKind = CompilerKit::kPefCode;
-    }
-
-    // now we can tell the code size of the previous kCurrentRecord.
-
-    if (!kRecords.empty()) kRecords[kRecords.size() - 1].fSize = kAppBytes.size();
-
-    memset(kCurrentRecord.fName, 0, kAESymbolLen);
-    memcpy(kCurrentRecord.fName, result.c_str(), result.size());
-
-    ++kCounter;
-
-    memset(kCurrentRecord.fPad, kAENullType, kAEPad);
-
-    kRecords.emplace_back(kCurrentRecord);
-
-    return true;
-  }
-  // public_segment is a special keyword used by AssemblerAMD64 to tell the AE output stage to
-  // mark this section as a header. it currently supports .code64, .data64 and
-  // .zero64.
-  else if (CompilerKit::find_word(line, "public_segment")) {
-    if (kOutputAsBinary) {
-      Detail::print_error("Invalid directive in flat binary mode.", "CompilerKit");
-      throw std::runtime_error("invalid_public_segment_bin");
-    }
-
-    auto name = line.substr(line.find("public_segment") + strlen("public_segment") + 1);
-
-    std::string name_copy = name;
-
-    for (char& j : name) {
-      if (j == ' ') j = '$';
-    }
-
-    if (std::find(kDefinedSymbols.begin(), kDefinedSymbols.end(), name) != kDefinedSymbols.end()) {
-      Detail::print_error("Symbol already defined.", "CompilerKit");
-      throw std::runtime_error("invalid_public_segment_bin");
-    }
-
-    kDefinedSymbols.push_back(name);
-
-    if (name.find(".code64") != std::string::npos) {
-      // data is treated as code.
-
-      name_copy.erase(name_copy.find(".code64"), strlen(".code64"));
-      kCurrentRecord.fKind = CompilerKit::kPefCode;
-    } else if (name.find(".data64") != std::string::npos) {
-      // no code will be executed from here.
-
-      name_copy.erase(name_copy.find(".data64"), strlen(".data64"));
-      kCurrentRecord.fKind = CompilerKit::kPefData;
-    } else if (name.find(".zero64") != std::string::npos) {
-      // this is a bss section.
-
-      name_copy.erase(name_copy.find(".zero64"), strlen(".zero64"));
-      kCurrentRecord.fKind = CompilerKit::kPefZero;
-    }
-
-    // this is a special case for the start stub.
-    // we want this so that ld can find it.
-
-    if (name == kPefStart) {
-      kCurrentRecord.fKind = CompilerKit::kPefCode;
-    }
-
-    while (name_copy.find(" ") != std::string::npos) name_copy.erase(name_copy.find(" "), 1);
-
-    kOriginLabel.push_back(std::make_pair(name_copy, kOrigin));
-    ++kOrigin;
-
-    // now we can tell the code size of the previous kCurrentRecord.
-
-    if (!kRecords.empty()) kRecords[kRecords.size() - 1].fSize = kAppBytes.size();
-
-    memset(kCurrentRecord.fName, 0, kAESymbolLen);
-    memcpy(kCurrentRecord.fName, name.c_str(), name.size());
-
-    ++kCounter;
-
-    memset(kCurrentRecord.fPad, kAENullType, kAEPad);
-
-    kRecords.emplace_back(kCurrentRecord);
-
-    return true;
-  }
-
-  return false;
-}
-
-// \brief algorithms and helpers.
-
-namespace Detail::algorithm {
-// \brief authorize a brief set of characters.
-static inline bool is_not_valid(char c) {
-  if ((isalpha(c) || isdigit(c)) ||
-      ((c == ' ') || (c == '\t') || (c == ',') || (c == '(') || (c == ')') || (c == '"') ||
-       (c == '*') || (c == '\'') || (c == '[') || (c == ']') || (c == '+') || (c == '_') ||
-       (c == ':') || (c == '@') || (c == '.') || (c == '#') || (c == ';')))
-    return false;
-
-  return true;
-}
-
-bool is_valid_amd64(std::string str) {
-  return std::find_if(str.begin(), str.end(), is_not_valid) == str.end();
-}
-}  // namespace Detail::algorithm
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-// @brief Check for line (syntax check)
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-std::string CompilerKit::EncoderAMD64::CheckLine(std::string line, std::string file) {
-  std::string err_str;
-
-  if (line.empty() || CompilerKit::find_word(line, "extern_segment") ||
-      CompilerKit::find_word(line, "public_segment") ||
-      CompilerKit::find_word(line, kAssemblerPragmaSymStr) || CompilerKit::find_word(line, ";") ||
-      line[0] == kAssemblerPragmaSym) {
-    if (line.find(';') != std::string::npos) {
-      line.erase(line.find(';'));
-    } else {
-      // now check the line for validity
-      if (!Detail::algorithm::is_valid_amd64(line)) {
-        err_str = "Line contains non valid characters.\nhere -> ";
-        err_str += line;
-      }
-    }
-
-    return err_str;
-  }
-
-  // check for a valid instruction format.
-
-  if (line.find(',') != std::string::npos) {
-    if (line.find(',') + 1 == line.size()) {
-      err_str += "\nInstruction lacks right register, here -> ";
-      err_str += line.substr(line.find(','));
-
-      return err_str;
-    } else {
-      bool nothing_on_right = true;
-
-      if (line.find(',') + 1 > line.size()) {
-        err_str += "\nInstruction not complete, here -> ";
-        err_str += line;
-
-        return err_str;
-      }
-
-      auto substr = line.substr(line.find(',') + 1);
-
-      for (auto& ch : substr) {
-        if (ch != ' ' && ch != '\t') {
-          nothing_on_right = false;
-        }
-      }
-
-      // this means we found nothing after that ',' .
-      if (nothing_on_right) {
-        err_str += "\nInstruction not complete, here -> ";
-        err_str += line;
-
-        return err_str;
-      }
-    }
-  }
-  for (auto& opcodeAMD64 : kOpcodesAMD64) {
-    if (CompilerKit::find_word(line, opcodeAMD64.fName)) {
-      return err_str;
-    }
-  }
-
-  err_str += "\nUnrecognized instruction -> " + line;
-
-  return err_str;
-}
-
-bool CompilerKit::EncoderAMD64::WriteNumber(const std::size_t& pos, std::string& jump_label) {
-  if (!isdigit(jump_label[pos])) return false;
-
-  switch (jump_label[pos + 1]) {
-    case 'x': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 16); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid hex number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_hex");
-        }
-      }
-
-      CompilerKit::NumberCast64 num =
-          CompilerKit::NumberCast64(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 16));
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 16 number here: " << jump_label.substr(pos)
-                << "\n";
-      }
-
-      return true;
-    }
-    case 'b': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 2); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid binary number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_bin");
-        }
-      }
-
-      CompilerKit::NumberCast64 num =
-          CompilerKit::NumberCast64(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 2));
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 2 number here: " << jump_label.substr(pos) << "\n";
-      }
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      return true;
-    }
-    case 'o': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 7); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid octal number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_octal");
-        }
-      }
-
-      CompilerKit::NumberCast64 num =
-          CompilerKit::NumberCast64(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 7));
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 8 number here: " << jump_label.substr(pos) << "\n";
-      }
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      return true;
-    }
-    default: {
-      break;
-    }
-  }
-
-  /* check for errno and stuff like that */
-  if (auto res = strtol(jump_label.substr(pos).c_str(), nullptr, 10); !res) {
-    if (errno != 0) {
-      return false;
-    }
-  }
-
-  CompilerKit::NumberCast64 num =
-      CompilerKit::NumberCast64(strtol(jump_label.substr(pos).c_str(), nullptr, 10));
-
-  for (char& i : num.number) {
-    if (i == 0) i = 0xFF;
-
-    kAppBytes.push_back(i);
-  }
-
-  if (kVerbose) {
-    kStdOut << "AssemblerAMD64: Found a base 10 number here: " << jump_label.substr(pos) << "\n";
-  }
-
-  return true;
-}
-
-bool CompilerKit::EncoderAMD64::WriteNumber32(const std::size_t& pos, std::string& jump_label) {
-  if (!isdigit(jump_label[pos])) return false;
-
-  switch (jump_label[pos + 1]) {
-    case 'x': {
-      auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 16);
-      res += kOrigin;
-
-      if (errno != 0) {
-        return false;
-      }
-
-      CompilerKit::NumberCast32 num = CompilerKit::NumberCast32(res);
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 16 number here: " << jump_label.substr(pos)
-                << "\n";
-      }
-
-      return true;
-    }
-    case 'b': {
-      auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 2);
-      res += kOrigin;
-
-      if (errno != 0) {
-        return false;
-      }
-
-      CompilerKit::NumberCast32 num = CompilerKit::NumberCast32(res);
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 2 number here: " << jump_label.substr(pos) << "\n";
-      }
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      return true;
-    }
-    case 'o': {
-      auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 7);
-      res += kOrigin;
-
-      if (errno != 0) {
-        return false;
-      }
-
-      CompilerKit::NumberCast32 num = CompilerKit::NumberCast32(res);
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 8 number here: " << jump_label.substr(pos) << "\n";
-      }
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      return true;
-    }
-    default: {
-      break;
-    }
-  }
-
-  auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 10);
-  res += kOrigin;
-
-  if (errno != 0) {
-    return false;
-  }
-
-  CompilerKit::NumberCast32 num = CompilerKit::NumberCast32(res);
-
-  for (char& i : num.number) {
-    if (i == 0) i = 0xFF;
-
-    kAppBytes.push_back(i);
-  }
-
-  if (kVerbose) {
-    kStdOut << "AssemblerAMD64: Found a base 10 number here: " << jump_label.substr(pos) << "\n";
-  }
-
-  return true;
-}
-
-bool CompilerKit::EncoderAMD64::WriteNumber16(const std::size_t& pos, std::string& jump_label) {
-  if (!isdigit(jump_label[pos])) return false;
-
-  switch (jump_label[pos + 1]) {
-    case 'x': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 16); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid hex number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_hex");
-        }
-      }
-
-      CompilerKit::NumberCast16 num =
-          CompilerKit::NumberCast16(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 16));
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 16 number here: " << jump_label.substr(pos)
-                << "\n";
-      }
-
-      return true;
-    }
-    case 'b': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 2); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid binary number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_bin");
-        }
-      }
-
-      CompilerKit::NumberCast16 num =
-          CompilerKit::NumberCast16(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 2));
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 2 number here: " << jump_label.substr(pos) << "\n";
-      }
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      return true;
-    }
-    case 'o': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 7); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid octal number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_octal");
-        }
-      }
-
-      CompilerKit::NumberCast16 num =
-          CompilerKit::NumberCast16(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 7));
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 8 number here: " << jump_label.substr(pos) << "\n";
-      }
-
-      for (char& i : num.number) {
-        if (i == 0) i = 0xFF;
-
-        kAppBytes.push_back(i);
-      }
-
-      return true;
-    }
-    default: {
-      break;
-    }
-  }
-
-  /* check for errno and stuff like that */
-  if (auto res = strtol(jump_label.substr(pos).c_str(), nullptr, 10); !res) {
-    if (errno != 0) {
-      return false;
-    }
-  }
-
-  CompilerKit::NumberCast16 num =
-      CompilerKit::NumberCast16(strtol(jump_label.substr(pos).c_str(), nullptr, 10));
-
-  for (char& i : num.number) {
-    if (i == 0) i = 0xFF;
-
-    kAppBytes.push_back(i);
-  }
-
-  if (kVerbose) {
-    kStdOut << "AssemblerAMD64: Found a base 10 number here: " << jump_label.substr(pos) << "\n";
-  }
-
-  return true;
-}
-
-bool CompilerKit::EncoderAMD64::WriteNumber8(const std::size_t& pos, std::string& jump_label) {
-  if (!isdigit(jump_label[pos])) return false;
-
-  switch (jump_label[pos + 1]) {
-    case 'x': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 16); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid hex number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_hex");
-        }
-      }
-
-      CompilerKit::NumberCast8 num =
-          CompilerKit::NumberCast8(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 16));
-
-      kAppBytes.push_back(num.number);
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 16 number here: " << jump_label.substr(pos)
-                << "\n";
-      }
-
-      return true;
-    }
-    case 'b': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 2); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid binary number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_bin");
-        }
-      }
-
-      CompilerKit::NumberCast8 num =
-          CompilerKit::NumberCast8(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 2));
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 2 number here: " << jump_label.substr(pos) << "\n";
-      }
-
-      kAppBytes.push_back(num.number);
-
-      return true;
-    }
-    case 'o': {
-      if (auto res = strtol(jump_label.substr(pos + 2).c_str(), nullptr, 7); !res) {
-        if (errno != 0) {
-          Detail::print_error("invalid octal number: " + jump_label, "CompilerKit");
-          throw std::runtime_error("invalid_octal");
-        }
-      }
-
-      CompilerKit::NumberCast8 num =
-          CompilerKit::NumberCast8(strtol(jump_label.substr(pos + 2).c_str(), nullptr, 7));
-
-      if (kVerbose) {
-        kStdOut << "AssemblerAMD64: Found a base 8 number here: " << jump_label.substr(pos) << "\n";
-      }
-
-      kAppBytes.push_back(num.number);
-
-      return true;
-    }
-    default: {
-      break;
-    }
-  }
-
-  /* check for errno and stuff like that */
-  if (auto res = strtol(jump_label.substr(pos).c_str(), nullptr, 10); !res) {
-    if (errno != 0) {
-      return false;
-    }
-  }
-
-  CompilerKit::NumberCast8 num =
-      CompilerKit::NumberCast8(strtol(jump_label.substr(pos).c_str(), nullptr, 10));
-
-  kAppBytes.push_back(num.number);
-
-  if (kVerbose) {
-    kStdOut << "AssemblerAMD64: Found a base 10 number here: " << jump_label.substr(pos) << "\n";
-  }
-
-  return true;
-}
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-// @brief Read and write an instruction to the output array.
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-bool CompilerKit::EncoderAMD64::WriteLine(std::string line, std::string file) {
-  if (CompilerKit::find_word(line, "public_segment ")) return true;
-
-  struct RegMapAMD64 {
-    CompilerKit::STLString fName;
-    i64_byte_t             fModRM;
-  };
-
-  std::vector<RegMapAMD64> kRegisterList{
-      {.fName = "ax", .fModRM = 0x0}, {.fName = "cx", .fModRM = 1},
-      {.fName = "dx", .fModRM = 0x2}, {.fName = "bx", .fModRM = 3},
-      {.fName = "sp", .fModRM = 0x4}, {.fName = "bp", .fModRM = 5},
-      {.fName = "si", .fModRM = 0x6}, {.fName = "di", .fModRM = 7},
-  };
-
-  Bool foundInstruction = false;
-
-  for (auto& opcodeAMD64 : kOpcodesAMD64) {
-    // strict check here
-    if (CompilerKit::find_word(line, opcodeAMD64.fName) &&
-        Detail::algorithm::is_valid_amd64(line)) {
-      foundInstruction = true;
-      std::string name(opcodeAMD64.fName);
-
-      /// Move instruction handler.
-      if (line.find(name) != std::string::npos) {
-        if (name == "mov" || name == "xor") {
-          std::string substr = line.substr(line.find(name) + name.size());
-
-          uint64_t bits = kRegisterBitWidth;
-
-          if (substr.find(",") == std::string::npos) {
-            Detail::print_error("Syntax error: missing right operand.", "CompilerKit");
-            throw std::runtime_error("syntax_err");
-          }
-
-          bool onlyOneReg = true;
-
-          std::vector<RegMapAMD64> currentRegList;
-
-          for (auto& reg : kRegisterList) {
-            std::vector<char> regExt = {'e', 'r'};
-
-            for (auto& ext : regExt) {
-              std::string registerName;
-
-              if (bits > 16) registerName.push_back(ext);
-
-              registerName += reg.fName;
-
-              while (line.find(registerName) != std::string::npos) {
-                line.erase(line.find(registerName), registerName.size());
-
-                if (bits == 16) {
-                  if (registerName[0] == 'r') {
-                    Detail::print_error("invalid size for register, current bit width is: " +
-                                            std::to_string(kRegisterBitWidth),
-                                        file);
-                    throw std::runtime_error("invalid_reg_size");
-                  }
-                }
-
-                currentRegList.push_back({.fName = registerName, .fModRM = reg.fModRM});
-              }
-            }
-          }
-
-          if (currentRegList.size() > 1) onlyOneReg = false;
-
-          bool hasRBasedRegs = false;
-
-          if (!onlyOneReg) {
-            /// very tricky to understand.
-            /// but this checks for a r8 through r15 register.
-            if (currentRegList[0].fName[0] == 'r' || currentRegList[1].fName[0] == 'r') {
-              if (isdigit(currentRegList[0].fName[1]) && isdigit(currentRegList[1].fName[1])) {
-                kAppBytes.emplace_back(0x4d);
-                hasRBasedRegs = true;
-              } else if (isdigit(currentRegList[0].fName[1]) ||
-                         isdigit(currentRegList[1].fName[1])) {
-                kAppBytes.emplace_back(0x4c);
-                hasRBasedRegs = true;
-              }
-            }
-          }
-
-          if (name == "mov") {
-            if (bits == 64 || bits == 32) {
-              if (!hasRBasedRegs && bits >= 32) {
-                kAppBytes.emplace_back(opcodeAMD64.fOpcode);
-              }
-
-              if (!onlyOneReg) kAppBytes.emplace_back(0x89);
-            } else if (bits == 16) {
-              if (hasRBasedRegs) {
-                Detail::print_error("Invalid combination of operands and registers.",
-                                    "CompilerKit");
-                throw std::runtime_error("comb_op_reg");
-              } else {
-                kAppBytes.emplace_back(0x66);
-                kAppBytes.emplace_back(0x89);
-              }
-            }
-          } else {
-            if (!hasRBasedRegs && bits >= 32) {
-              kAppBytes.emplace_back(opcodeAMD64.fOpcode);
-            }
-
-            kAppBytes.emplace_back(0x31);
-          }
-
-          if (onlyOneReg) {
-            auto num = GetNumber32(line, ",");
-
-            for (auto& num_idx : num.number) {
-              if (num_idx == 0) num_idx = 0xFF;
-            }
-
-            auto modrm = (0x3 << 6 | currentRegList[0].fModRM);
-
-            kAppBytes.emplace_back(0xC7);  // prefixed before placing the modrm and then the number.
-            kAppBytes.emplace_back(modrm);
-
-            if (name != "xor") {
-              kAppBytes.emplace_back(num.number[0]);
-              kAppBytes.emplace_back(num.number[1]);
-              kAppBytes.emplace_back(num.number[2]);
-              kAppBytes.emplace_back(num.number[3]);
-            }
-
-            break;
-          }
-
-          if (currentRegList[1].fName[0] == 'r' && currentRegList[0].fName[0] == 'e') {
-            Detail::print_error("Invalid combination of operands and registers.", "CompilerKit");
-            throw std::runtime_error("comb_op_reg");
-          }
-
-          if (currentRegList[0].fName[0] == 'r' && currentRegList[1].fName[0] == 'e') {
-            Detail::print_error("Invalid combination of operands and registers.", "CompilerKit");
-            throw std::runtime_error("comb_op_reg");
-          }
-
-          if (bits == 16) {
-            if (currentRegList[0].fName[0] == 'r' || currentRegList[0].fName[0] == 'e') {
-              Detail::print_error("Invalid combination of operands and registers.", "CompilerKit");
-              throw std::runtime_error("comb_op_reg");
-            }
-
-            if (currentRegList[1].fName[0] == 'r' || currentRegList[1].fName[0] == 'e') {
-              Detail::print_error("Invalid combination of operands and registers.", "CompilerKit");
-              throw std::runtime_error("comb_op_reg");
-            }
-          } else {
-            if (currentRegList[0].fName[0] != 'r' || currentRegList[0].fName[0] == 'e') {
-              Detail::print_error("Invalid combination of operands and registers.", "CompilerKit");
-              throw std::runtime_error("comb_op_reg");
-            }
-
-            if (currentRegList[1].fName[0] != 'r' || currentRegList[1].fName[0] == 'e') {
-              Detail::print_error("Invalid combination of operands and registers.", "CompilerKit");
-              throw std::runtime_error("comb_op_reg");
-            }
-          }
-
-          /// encode register using the modrm encoding.
-
-          auto modrm = (0x3 << 6 | currentRegList[1].fModRM << 3 | currentRegList[0].fModRM);
-
-          kAppBytes.emplace_back(modrm);
-
-          break;
-        }
-      }
-
-      if (name == "int" || name == "into" || name == "intd") {
-        kAppBytes.emplace_back(opcodeAMD64.fOpcode);
-        this->WriteNumber8(line.find(name) + name.size() + 1, line);
-
-        break;
-      } else if (name == "jmp" || name == "call") {
-        kAppBytes.emplace_back(opcodeAMD64.fOpcode);
-
-        if (!this->WriteNumber32(line.find(name) + name.size() + 1, line)) {
-          throw std::runtime_error("BUG: WriteNumber32");
-        }
-
-        break;
-      } else if (name == "syscall") {
-        kAppBytes.emplace_back(opcodeAMD64.fOpcode);
-        kAppBytes.emplace_back(0x05);
-
-        break;
-      } else {
-        kAppBytes.emplace_back(opcodeAMD64.fOpcode);
-
-        break;
-      }
-    }
-  }
-
-  if (line[0] == kAssemblerPragmaSym) {
-    if (foundInstruction) {
-      Detail::print_error("Syntax error: " + line, file);
-      throw std::runtime_error("syntax_err");
-    }
-
-    if (line.find("bits 64") != std::string::npos) {
-      kRegisterBitWidth = 64U;
-    } else if (line.find("bits 32") != std::string::npos) {
-      kRegisterBitWidth = 32U;
-    } else if (line.find("bits 16") != std::string::npos) {
-      kRegisterBitWidth = 16U;
-    } else if (line.find("org") != std::string::npos) {
-      size_t base[] = {10, 16, 2, 7};
-
-      for (size_t i = 0; i < 4; i++) {
-        if (kOrigin = strtol((line.substr(line.find("org") + strlen("org") + 1)).c_str(), nullptr,
-                             base[i]);
-            kOrigin) {
-          if (errno != 0) {
-            continue;
-          } else {
-            if (kVerbose) {
-              kStdOut << "AssemblerAMD64: Origin Set: " << kOrigin << std::endl;
-            }
-
-            break;
-          }
-        }
-      }
-    }
-  }
-  /// write a dword
-  else if (line.find(".dword") != std::string::npos) {
-    this->WriteNumber32(line.find(".dword") + strlen(".dword") + 1, line);
-  }
-  /// write a long
-  else if (line.find(".long") != std::string::npos) {
-    this->WriteNumber(line.find(".long") + strlen(".long") + 1, line);
-  }
-  /// write a 16-bit number
-  else if (line.find(".word") != std::string::npos) {
-    this->WriteNumber16(line.find(".word") + strlen(".word") + 1, line);
-  }
-
-  kOrigin += kIPAlignement;
-
-  return true;
-}
-
-// Last rev 13-1-24