feat! Breaking API changes of NeCTI's LibCompiler and LibDebugger.

what:

- They've now become CompilerKit and DebuggerKit.
- Expanding XCoff for NeBoot PowerPC backend.

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

1 files changed, 892 insertions, 0 deletions

diff --git a/dev/CompilerKit/src/Frontend/CPlusPlusCompilerAMD64.cc b/dev/CompilerKit/src/Frontend/CPlusPlusCompilerAMD64.cc
new file mode 100644
index 0000000..c38378a
--- /dev/null
+++ b/dev/CompilerKit/src/Frontend/CPlusPlusCompilerAMD64.cc
@@ -0,0 +1,892 @@
+/*
+ *	========================================================
+ *
+ *	C++ Compiler Driver
+ * 	Copyright (C) 2024-2025 Amlal El Mahrouss, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+/// BUGS: 0
+
+#define kPrintF printf
+
+#define kExitOK (EXIT_SUCCESS)
+#define kExitNO (EXIT_FAILURE)
+
+#include <CompilerKit/detail/X64.h>
+#include <CompilerKit/Frontend.h>
+#include <CompilerKit/PEF.h>
+#include <CompilerKit/UUID.h>
+#include <CompilerKit/utils/CompilerUtils.h>
+
+/* NeKernel C++ Compiler Driver */
+/* This is part of the CompilerKit. */
+/* (c) Amlal El Mahrouss 2024-2025 */
+
+/// @author EL Mahrouss Amlal (amlal@nekernel.org)
+/// @file CPlusPlusCompilerAMD64.cxx
+/// @brief Optimized C++ Compiler Driver.
+/// @todo Throw error for scoped inside scoped variables when they get referenced outside.
+/// @todo Add class/struct/enum support.
+
+///////////////////////
+
+// ANSI ESCAPE CODES //
+
+///////////////////////
+
+#define kBlank "\e[0;30m"
+#define kRed "\e[0;31m"
+#define kWhite "\e[0;97m"
+
+/////////////////////////////////////
+
+// INTERNALS OF THE C++ COMPILER
+
+/////////////////////////////////////
+
+/// @internal
+namespace Detail {
+std::filesystem::path expand_home(const std::filesystem::path& p) {
+  if (!p.empty() && p.string()[0] == '~') {
+    const char* home = std::getenv("HOME");  // For Unix-like systems
+
+    if (!home) {
+      home = std::getenv("USERPROFILE");  // For Windows
+    }
+
+    if (home) {
+      return std::filesystem::path(home) / p.relative_path().string().substr(1);
+    } else {
+      throw std::runtime_error("Home directory not found in environment variables");
+    }
+  }
+  return p;
+}
+
+struct CompilerRegisterMap final {
+  CompilerKit::STLString fName;
+  CompilerKit::STLString fReg;
+};
+
+/// \brief Offset based struct/class
+struct CompilerStructMap final {
+  CompilerKit::STLString                                 fName;
+  CompilerKit::STLString                                 fReg;
+  std::vector<std::pair<UInt32, CompilerKit::STLString>> fOffsets;
+};
+
+/// \brief Compiler state structure.
+struct CompilerState final {
+  std::vector<CompilerRegisterMap> fStackMapVector;
+  std::vector<CompilerStructMap>   fStructMapVector;
+  CompilerKit::STLString           fLastFile;
+  CompilerKit::STLString           fLastError;
+};
+}  // namespace Detail
+
+static Detail::CompilerState kState;
+
+static Int32 kOnClassScope = 0;
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+// Target architecture.
+static Int32 kMachine = CompilerKit::AssemblyFactory::kArchAMD64;
+
+/////////////////////////////////////////
+
+// ARGUMENTS REGISTERS (R8, R15)
+
+/////////////////////////////////////////
+
+static std::vector<CompilerKit::CompilerKeyword> kKeywords;
+
+/////////////////////////////////////////
+
+// COMPILER PARSING UTILITIES/STATES.
+
+/////////////////////////////////////////
+
+static CompilerKit::AssemblyFactory kFactory;
+static Boolean                      kInStruct    = false;
+static Boolean                      kOnWhileLoop = false;
+static Boolean                      kOnForLoop   = false;
+static Boolean                      kInBraces    = false;
+static size_t                       kBracesCount = 0UL;
+
+/* @brief C++ compiler backend for the NeKernel C++ driver */
+class CompilerFrontendCPlusPlusAMD64 final LC_COMPILER_FRONTEND {
+ public:
+  explicit CompilerFrontendCPlusPlusAMD64()  = default;
+  ~CompilerFrontendCPlusPlusAMD64() override = default;
+
+  LIBCOMPILER_COPY_DEFAULT(CompilerFrontendCPlusPlusAMD64);
+
+  CompilerKit::SyntaxLeafList::SyntaxLeaf Compile(const CompilerKit::STLString text,
+                                                  CompilerKit::STLString       file) override;
+
+  const char* Language() override;
+};
+
+/// @internal compiler variables
+
+static CompilerFrontendCPlusPlusAMD64* kCompilerFrontend = nullptr;
+
+static std::vector<CompilerKit::STLString> kRegisterMap;
+
+static std::vector<CompilerKit::STLString> kRegisterList = {
+    "rbx", "rsi", "r10", "r11", "r12", "r13", "r14", "r15", "xmm12", "xmm13", "xmm14", "xmm15",
+};
+
+/// @brief The PEF calling convention (caller must save rax, rbp)
+/// @note callee must return via **rax**.
+static std::vector<CompilerKit::STLString> kRegisterConventionCallList = {
+    "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
+};
+
+static std::size_t kFunctionEmbedLevel = 0UL;
+
+/// detail namespaces
+
+const char* CompilerFrontendCPlusPlusAMD64::Language() {
+  return "AMD64 C++";
+}
+
+static std::uintptr_t                                                 kOrigin = kPefBaseOrigin;
+static std::vector<std::pair<CompilerKit::STLString, std::uintptr_t>> kOriginMap;
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+/// @name Compile
+/// @brief Generate assembly from a C++ source.
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+CompilerKit::SyntaxLeafList::SyntaxLeaf CompilerFrontendCPlusPlusAMD64::Compile(
+    CompilerKit::STLString text, CompilerKit::STLString file) {
+  CompilerKit::SyntaxLeafList::SyntaxLeaf syntax_tree;
+
+  if (text.length() < 1) return syntax_tree;
+
+  std::size_t                                                       index = 0UL;
+  std::vector<std::pair<CompilerKit::CompilerKeyword, std::size_t>> keywords_list;
+
+  for (auto& keyword : kKeywords) {
+    if (text.find(keyword.keyword_name) != std::string::npos) {
+      switch (keyword.keyword_kind) {
+        case CompilerKit::kKeywordKindCommentInline: {
+          break;
+        }
+        default:
+          break;
+      }
+
+      std::size_t pos = text.find(keyword.keyword_name);
+      if (pos == std::string::npos) continue;
+
+      // Safe guard: can't go before start of string
+      if (pos > 0 && text[pos - 1] == '+' &&
+          keyword.keyword_kind == CompilerKit::kKeywordKindVariableAssign)
+        continue;
+
+      if (pos > 0 && text[pos - 1] == '-' &&
+          keyword.keyword_kind == CompilerKit::kKeywordKindVariableAssign)
+        continue;
+
+      // Safe guard: don't go out of range
+      if ((pos + keyword.keyword_name.size()) < text.size() &&
+          text[pos + keyword.keyword_name.size()] == '=' &&
+          keyword.keyword_kind == CompilerKit::kKeywordKindVariableAssign)
+        continue;
+
+      keywords_list.emplace_back(std::make_pair(keyword, index));
+      ++index;
+    }
+  }
+
+  for (auto& keyword : keywords_list) {
+    if (text.find(keyword.first.keyword_name) == CompilerKit::STLString::npos) continue;
+
+    switch (keyword.first.keyword_kind) {
+      case CompilerKit::KeywordKind::kKeywordKindClass: {
+        ++kOnClassScope;
+        break;
+      }
+      case CompilerKit::KeywordKind::kKeywordKindIf: {
+        std::size_t keywordPos = text.find(keyword.first.keyword_name);
+        std::size_t openParen  = text.find("(", keywordPos);
+        std::size_t closeParen = text.find(")", openParen);
+
+        if (keywordPos == CompilerKit::STLString::npos ||
+            openParen == CompilerKit::STLString::npos ||
+            closeParen == CompilerKit::STLString::npos || closeParen <= openParen) {
+          Detail::print_error("Malformed if expression: " + text, file);
+          break;
+        }
+
+        auto expr = text.substr(openParen + 1, closeParen - openParen - 1);
+
+        if (expr.find(">=") != CompilerKit::STLString::npos) {
+          auto left = text.substr(
+              text.find(keyword.first.keyword_name) + keyword.first.keyword_name.size() + 2,
+              expr.find("<=") + strlen("<="));
+          auto right = text.substr(expr.find(">=") + strlen(">="), text.find(")") - 1);
+
+          size_t i = right.size() - 1;
+
+          if (i < 1) break;
+
+          try {
+            while (!std::isalnum(right[i])) {
+              right.erase(i, 1);
+              --i;
+            }
+
+            right.erase(0, i);
+          } catch (...) {
+            right.erase(0, i);
+          }
+
+          i = left.size() - 1;
+          try {
+            while (!std::isalnum(left[i])) {
+              left.erase(i, 1);
+              --i;
+            }
+
+            left.erase(0, i);
+          } catch (...) {
+            left.erase(0, i);
+          }
+
+          if (!isdigit(left[0]) || !isdigit(right[0])) {
+            auto indexRight = 0UL;
+
+            auto& valueOfVar = !isdigit(left[0]) ? left : right;
+
+            if (!valueOfVar.empty()) {
+              for (auto pairRight : kRegisterMap) {
+                ++indexRight;
+
+                CompilerKit::STLString instr = "mov ";
+
+                if (pairRight != valueOfVar) {
+                  auto& valueOfVarOpposite = isdigit(left[0]) ? left : right;
+
+                  syntax_tree.fUserValue +=
+                      instr + kRegisterList[indexRight + 1] + ", " + valueOfVarOpposite + "\n";
+                  syntax_tree.fUserValue += "cmp " + kRegisterList[kRegisterMap.size() - 1] + "," +
+                                            kRegisterList[indexRight + 1] + "\n";
+
+                  goto lc_done_iterarting_on_if;
+                }
+
+                auto& valueOfVarOpposite = isdigit(left[0]) ? left : right;
+
+                syntax_tree.fUserValue +=
+                    instr + kRegisterList[indexRight + 1] + ", " + valueOfVarOpposite + "\n";
+                syntax_tree.fUserValue += "cmp " + kRegisterList[kRegisterMap.size() - 1] + ", " +
+                                          kRegisterList[indexRight + 1] + "\n";
+
+                break;
+              }
+            }
+          }
+
+        lc_done_iterarting_on_if:
+
+          CompilerKit::STLString symbol_name_fn = text;
+
+          symbol_name_fn.erase(symbol_name_fn.find(keyword.first.keyword_name));
+
+          for (auto& ch : symbol_name_fn) {
+            if (ch == ' ') ch = '_';
+          }
+
+          syntax_tree.fUserValue +=
+              "jge __OFFSET_ON_TRUE_LC\nsegment .code64 __OFFSET_ON_TRUE_LC:\n";
+        }
+
+        break;
+      }
+      case CompilerKit::KeywordKind::kKeywordKindFunctionStart: {
+        for (auto& ch : text) {
+          if (isdigit(ch)) {
+            goto dont_accept;
+          }
+        }
+
+        goto accept;
+
+      dont_accept:
+        break;
+
+      accept:
+        CompilerKit::STLString symbol_name_fn      = text;
+        size_t                 indexFnName = 0;
+
+        // this one is for the type.
+        for (auto& ch : text) {
+          ++indexFnName;
+
+          if (ch == '\t') break;
+          if (ch == ' ') break;
+        }
+
+        symbol_name_fn = text.substr(indexFnName);
+
+        if (text.find("return ") != CompilerKit::STLString::npos) {
+          text.erase(0, text.find("return "));
+          break;
+        }
+
+        if (text.ends_with(";") && text.find("return") == CompilerKit::STLString::npos)
+          goto lc_write_assembly;
+        else if (text.size() <= indexFnName)
+          Detail::print_error("Invalid function name: " + symbol_name_fn, file);
+
+        indexFnName = 0;
+
+        for (auto& ch : symbol_name_fn) {
+          if (ch == ' ' || ch == '\t') {
+            if (symbol_name_fn[indexFnName - 1] != ')')
+              Detail::print_error("Invalid function name: " + symbol_name_fn, file);
+          }
+
+          ++indexFnName;
+        }
+
+        if (symbol_name_fn.find("(") != CompilerKit::STLString::npos) {
+          symbol_name_fn.erase(symbol_name_fn.find("("));
+        }
+
+        syntax_tree.fUserValue = "public_segment .code64 __LIBCOMPILER_" + symbol_name_fn + "\n";
+        ++kFunctionEmbedLevel;
+
+        kOriginMap.push_back({"__LIBCOMPILER_" + symbol_name_fn, kOrigin});
+
+        break;
+
+      lc_write_assembly:
+        auto it =
+            std::find_if(kOriginMap.begin(), kOriginMap.end(),
+                         [&symbol_name_fn](std::pair<CompilerKit::STLString, std::uintptr_t> pair) -> bool {
+                           return symbol_name_fn == pair.first;
+                         });
+
+        if (it != kOriginMap.end()) {
+          std::stringstream ss;
+          ss << std::hex << it->second;
+
+          syntax_tree.fUserValue = "jmp " + ss.str() + "\n";
+          kOrigin += 1UL;
+        }
+      }
+      case CompilerKit::KeywordKind::kKeywordKindFunctionEnd: {
+        if (kOnClassScope) --kOnClassScope;
+
+        if (text.ends_with(";")) break;
+
+        --kFunctionEmbedLevel;
+
+        if (kRegisterMap.size() > kRegisterList.size()) {
+          --kFunctionEmbedLevel;
+        }
+
+        if (kFunctionEmbedLevel < 1) kRegisterMap.clear();
+
+        break;
+      }
+      case CompilerKit::KeywordKind::kKeywordKindEndInstr:
+      case CompilerKit::KeywordKind::kKeywordKindVariableInc:
+      case CompilerKit::KeywordKind::kKeywordKindVariableDec:
+      case CompilerKit::KeywordKind::kKeywordKindVariableAssign: {
+        CompilerKit::STLString valueOfVar = "";
+
+        if (keyword.first.keyword_kind == CompilerKit::KeywordKind::kKeywordKindVariableInc) {
+          valueOfVar = text.substr(text.find("+=") + 2);
+        } else if (keyword.first.keyword_kind ==
+                   CompilerKit::KeywordKind::kKeywordKindVariableDec) {
+          valueOfVar = text.substr(text.find("-=") + 2);
+        } else if (keyword.first.keyword_kind ==
+                   CompilerKit::KeywordKind::kKeywordKindVariableAssign) {
+          valueOfVar = text.substr(text.find("=") + 1);
+        } else if (keyword.first.keyword_kind == CompilerKit::KeywordKind::kKeywordKindEndInstr) {
+          break;
+        }
+
+        while (valueOfVar.find(";") != CompilerKit::STLString::npos &&
+               keyword.first.keyword_kind != CompilerKit::KeywordKind::kKeywordKindEndInstr) {
+          valueOfVar.erase(valueOfVar.find(";"));
+        }
+
+        CompilerKit::STLString varName = text;
+
+        if (keyword.first.keyword_kind == CompilerKit::KeywordKind::kKeywordKindVariableInc) {
+          varName.erase(varName.find("+="));
+        } else if (keyword.first.keyword_kind ==
+                   CompilerKit::KeywordKind::kKeywordKindVariableDec) {
+          varName.erase(varName.find("-="));
+        } else if (keyword.first.keyword_kind ==
+                   CompilerKit::KeywordKind::kKeywordKindVariableAssign) {
+          varName.erase(varName.find("="));
+        } else if (keyword.first.keyword_kind == CompilerKit::KeywordKind::kKeywordKindEndInstr) {
+          varName.erase(varName.find(";"));
+        }
+
+        static Boolean typeFound = false;
+
+        for (auto& keyword : kKeywords) {
+          if (keyword.keyword_kind == CompilerKit::kKeywordKindType) {
+            if (text.find(keyword.keyword_name) != CompilerKit::STLString::npos) {
+              if (text[text.find(keyword.keyword_name)] == ' ') {
+                typeFound = false;
+                continue;
+              }
+
+              typeFound = true;
+            }
+          }
+        }
+
+        CompilerKit::STLString instr = "mov ";
+
+        std::vector<CompilerKit::STLString> newVars;
+
+        if (typeFound &&
+            keyword.first.keyword_kind != CompilerKit::KeywordKind::kKeywordKindVariableInc &&
+            keyword.first.keyword_kind != CompilerKit::KeywordKind::kKeywordKindVariableDec) {
+          if (kRegisterMap.size() > kRegisterList.size()) {
+            ++kFunctionEmbedLevel;
+          }
+
+          while (varName.find(" ") != CompilerKit::STLString::npos) {
+            varName.erase(varName.find(" "), 1);
+          }
+
+          while (varName.find("\t") != CompilerKit::STLString::npos) {
+            varName.erase(varName.find("\t"), 1);
+          }
+
+          for (size_t i = 0; !isalnum(valueOfVar[i]); i++) {
+            if (i > valueOfVar.size()) break;
+
+            valueOfVar.erase(i, 1);
+          }
+
+          constexpr auto kTrueVal  = "true";
+          constexpr auto kFalseVal = "false";
+
+          if (valueOfVar == kTrueVal) {
+            valueOfVar = "1";
+          } else if (valueOfVar == kFalseVal) {
+            valueOfVar = "0";
+          }
+
+          std::size_t indexRight = 0UL;
+
+          for (auto pairRight : kRegisterMap) {
+            ++indexRight;
+
+            if (pairRight != valueOfVar) {
+              if (valueOfVar[0] == '\"') {
+                syntax_tree.fUserValue = "segment .data64 __LIBCOMPILER_LOCAL_VAR_" + varName +
+                                         ": db " + valueOfVar + ", 0\n\n";
+                syntax_tree.fUserValue += instr + kRegisterList[kRegisterMap.size() - 1] + ", " +
+                                          "__LIBCOMPILER_LOCAL_VAR_" + varName + "\n";
+                kOrigin += 1UL;
+              } else {
+                syntax_tree.fUserValue =
+                    instr + kRegisterList[kRegisterMap.size() - 1] + ", " + valueOfVar + "\n";
+                kOrigin += 1UL;
+              }
+
+              goto done;
+            }
+          }
+
+          if (((int) indexRight - 1) < 0) {
+            if (valueOfVar[0] == '\"') {
+              syntax_tree.fUserValue = "segment .data64 __LIBCOMPILER_LOCAL_VAR_" + varName +
+                                       ": db " + valueOfVar + ", 0\n";
+              syntax_tree.fUserValue += instr + kRegisterList[kRegisterMap.size()] + ", " +
+                                        "__LIBCOMPILER_LOCAL_VAR_" + varName + "\n";
+              kOrigin += 1UL;
+            } else {
+              syntax_tree.fUserValue =
+                  instr + kRegisterList[kRegisterMap.size()] + ", " + valueOfVar + "\n";
+              kOrigin += 1UL;
+            }
+
+            goto done;
+          }
+
+          if (valueOfVar[0] != '\"' && valueOfVar[0] != '\'' && !isdigit(valueOfVar[0])) {
+            for (auto pair : kRegisterMap) {
+              if (pair == valueOfVar) goto done;
+            }
+
+            Detail::print_error("Variable not declared: " + varName, file);
+            break;
+          }
+
+        done:
+          for (auto& keyword : kKeywords) {
+            if (keyword.keyword_kind == CompilerKit::kKeywordKindType &&
+                varName.find(keyword.keyword_name) != CompilerKit::STLString::npos) {
+              varName.erase(varName.find(keyword.keyword_name), keyword.keyword_name.size());
+              break;
+            }
+          }
+
+          newVars.push_back(varName);
+
+          break;
+        }
+
+        kRegisterMap.insert(kRegisterMap.end(), newVars.begin(), newVars.end());
+
+        if (keyword.second > 0 &&
+                kKeywords[keyword.second - 1].keyword_kind == CompilerKit::kKeywordKindType ||
+            kKeywords[keyword.second - 1].keyword_kind == CompilerKit::kKeywordKindTypePtr) {
+          syntax_tree.fUserValue = "\n";
+          continue;
+        }
+
+        if (keyword.first.keyword_kind == CompilerKit::KeywordKind::kKeywordKindEndInstr) {
+          syntax_tree.fUserValue = "\n";
+          continue;
+        }
+
+        if (keyword.first.keyword_kind == CompilerKit::KeywordKind::kKeywordKindVariableInc) {
+          instr = "add ";
+        } else if (keyword.first.keyword_kind ==
+                   CompilerKit::KeywordKind::kKeywordKindVariableDec) {
+          instr = "sub ";
+        }
+
+        CompilerKit::STLString varErrCpy = varName;
+
+        while (varName.find(" ") != CompilerKit::STLString::npos) {
+          varName.erase(varName.find(" "), 1);
+        }
+
+        while (varName.find("\t") != CompilerKit::STLString::npos) {
+          varName.erase(varName.find("\t"), 1);
+        }
+
+        std::size_t indxReg = 0UL;
+
+        for (size_t i = 0; !isalnum(valueOfVar[i]); i++) {
+          if (i > valueOfVar.size()) break;
+
+          valueOfVar.erase(i, 1);
+        }
+
+        while (valueOfVar.find(" ") != CompilerKit::STLString::npos) {
+          valueOfVar.erase(valueOfVar.find(" "), 1);
+        }
+
+        while (valueOfVar.find("\t") != CompilerKit::STLString::npos) {
+          valueOfVar.erase(valueOfVar.find("\t"), 1);
+        }
+
+        constexpr auto kTrueVal  = "true";
+        constexpr auto kFalseVal = "false";
+
+        /// interpet boolean values, since we're on C++
+
+        if (valueOfVar == kTrueVal) {
+          valueOfVar = "1";
+        } else if (valueOfVar == kFalseVal) {
+          valueOfVar = "0";
+        }
+
+        for (auto pair : kRegisterMap) {
+          ++indxReg;
+
+          if (pair != varName) continue;
+
+          std::size_t indexRight = 0ul;
+
+          for (auto pairRight : kRegisterMap) {
+            ++indexRight;
+
+            if (pairRight != varName) {
+              syntax_tree.fUserValue =
+                  instr + kRegisterList[kRegisterMap.size()] + ", " + valueOfVar + "\n";
+              kOrigin += 1UL;
+              continue;
+            }
+
+            syntax_tree.fUserValue =
+                instr + kRegisterList[indexRight - 1] + ", " + valueOfVar + "\n";
+            kOrigin += 1UL;
+            break;
+          }
+
+          newVars.push_back(varName);
+          break;
+        }
+
+        if (syntax_tree.fUserValue.empty()) {
+          Detail::print_error("Variable not declared: " + varName, file);
+        }
+
+        kRegisterMap.insert(kRegisterMap.end(), newVars.begin(), newVars.end());
+
+        break;
+      }
+      case CompilerKit::KeywordKind::kKeywordKindReturn: {
+        try {
+          auto                   pos     = text.find("return") + strlen("return") + 1;
+          CompilerKit::STLString subText = text.substr(pos);
+          subText                        = subText.erase(subText.find(";"));
+          size_t indxReg                 = 0UL;
+
+          if (subText[0] != '\"' && subText[0] != '\'') {
+            if (!isdigit(subText[0])) {
+              for (auto pair : kRegisterMap) {
+                ++indxReg;
+
+                if (pair != subText) continue;
+
+                syntax_tree.fUserValue = "mov rax, " + kRegisterList[indxReg - 1] + "\nret\n";
+                kOrigin += 1UL;
+
+                break;
+              }
+            } else {
+              syntax_tree.fUserValue = "mov rax, " + subText + "\nret\n";
+              kOrigin += 1UL;
+
+              break;
+            }
+          } else {
+            syntax_tree.fUserValue = "__LIBCOMPILER_LOCAL_RETURN_STRING: db " + subText +
+                                     ", 0\nmov rcx, __LIBCOMPILER_LOCAL_RETURN_STRING\n";
+            syntax_tree.fUserValue += "mov rax, rcx\nret\n";
+            kOrigin += 1UL;
+
+            break;
+          }
+
+          if (syntax_tree.fUserValue.empty()) {
+            if (subText.find("(") != CompilerKit::STLString::npos) {
+              subText.erase(subText.find("("));
+
+              auto it = std::find_if(
+                  kOriginMap.begin(), kOriginMap.end(),
+                  [&subText](std::pair<CompilerKit::STLString, std::uintptr_t> pair) -> bool {
+                    return pair.first.find(subText) != CompilerKit::STLString::npos;
+                  });
+
+              if (it == kOriginMap.end())
+                Detail::print_error("Invalid return value: " + subText, file);
+
+              std::stringstream ss;
+              ss << it->second;
+
+              syntax_tree.fUserValue = "jmp " + ss.str() + "\nret\n";
+              kOrigin += 1UL;
+              break;
+            }
+          }
+
+          break;
+        } catch (...) {
+          syntax_tree.fUserValue = "ret\n";
+          kOrigin += 1UL;
+        }
+      }
+      default: {
+        continue;
+      }
+    }
+  }
+
+  return syntax_tree;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * @brief C++ assembler class.
+ */
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+class AssemblyCPlusPlusInterfaceAMD64 final LC_ASSEMBLY_INTERFACE {
+ public:
+  explicit AssemblyCPlusPlusInterfaceAMD64()  = default;
+  ~AssemblyCPlusPlusInterfaceAMD64() override = default;
+
+  LIBCOMPILER_COPY_DEFAULT(AssemblyCPlusPlusInterfaceAMD64);
+
+  UInt32 Arch() noexcept override { return CompilerKit::AssemblyFactory::kArchAMD64; }
+
+  Int32 CompileToFormat(CompilerKit::STLString src, Int32 arch) override {
+    if (kCompilerFrontend == nullptr) return kExitNO;
+
+    CompilerKit::STLString dest = src;
+    dest += ".pp.masm";
+
+    std::ofstream out_fp(dest);
+    std::ifstream src_fp = std::ifstream(src + ".pp");
+
+    CompilerKit::STLString line_source;
+
+    out_fp << "#bits 64\n";
+    out_fp << "#org " << kOrigin << "\n\n";
+
+    while (std::getline(src_fp, line_source)) {
+      out_fp << kCompilerFrontend->Compile(line_source, src).fUserValue;
+    }
+
+    return kExitOK;
+  }
+};
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+#define kExtListCxx \
+  { ".cpp", ".cxx", ".cc", ".c++", ".cp" }
+
+LIBCOMPILER_MODULE(CompilerCPlusPlusAMD64) {
+  Boolean skip = false;
+
+  kKeywords.emplace_back("if", CompilerKit::kKeywordKindIf);
+  kKeywords.emplace_back("else", CompilerKit::kKeywordKindElse);
+  kKeywords.emplace_back("else if", CompilerKit::kKeywordKindElseIf);
+
+  kKeywords.emplace_back("class", CompilerKit::kKeywordKindClass);
+  kKeywords.emplace_back("struct", CompilerKit::kKeywordKindClass);
+  kKeywords.emplace_back("namespace", CompilerKit::kKeywordKindNamespace);
+  kKeywords.emplace_back("typedef", CompilerKit::kKeywordKindTypedef);
+  kKeywords.emplace_back("using", CompilerKit::kKeywordKindTypedef);
+  kKeywords.emplace_back("{", CompilerKit::kKeywordKindBodyStart);
+  kKeywords.emplace_back("}", CompilerKit::kKeywordKindBodyEnd);
+  kKeywords.emplace_back("auto", CompilerKit::kKeywordKindVariable);
+  kKeywords.emplace_back("int", CompilerKit::kKeywordKindType);
+  kKeywords.emplace_back("bool", CompilerKit::kKeywordKindType);
+  kKeywords.emplace_back("unsigned", CompilerKit::kKeywordKindType);
+  kKeywords.emplace_back("short", CompilerKit::kKeywordKindType);
+  kKeywords.emplace_back("char", CompilerKit::kKeywordKindType);
+  kKeywords.emplace_back("long", CompilerKit::kKeywordKindType);
+  kKeywords.emplace_back("float", CompilerKit::kKeywordKindType);
+  kKeywords.emplace_back("double", CompilerKit::kKeywordKindType);
+  kKeywords.emplace_back("void", CompilerKit::kKeywordKindType);
+
+  kKeywords.emplace_back("auto*", CompilerKit::kKeywordKindVariablePtr);
+  kKeywords.emplace_back("int*", CompilerKit::kKeywordKindTypePtr);
+  kKeywords.emplace_back("bool*", CompilerKit::kKeywordKindTypePtr);
+  kKeywords.emplace_back("unsigned*", CompilerKit::kKeywordKindTypePtr);
+  kKeywords.emplace_back("short*", CompilerKit::kKeywordKindTypePtr);
+  kKeywords.emplace_back("char*", CompilerKit::kKeywordKindTypePtr);
+  kKeywords.emplace_back("long*", CompilerKit::kKeywordKindTypePtr);
+  kKeywords.emplace_back("float*", CompilerKit::kKeywordKindTypePtr);
+  kKeywords.emplace_back("double*", CompilerKit::kKeywordKindTypePtr);
+  kKeywords.emplace_back("void*", CompilerKit::kKeywordKindTypePtr);
+
+  kKeywords.emplace_back("(", CompilerKit::kKeywordKindFunctionStart);
+  kKeywords.emplace_back(")", CompilerKit::kKeywordKindFunctionEnd);
+  kKeywords.emplace_back("=", CompilerKit::kKeywordKindVariableAssign);
+  kKeywords.emplace_back("+=", CompilerKit::kKeywordKindVariableInc);
+  kKeywords.emplace_back("-=", CompilerKit::kKeywordKindVariableDec);
+  kKeywords.emplace_back("const", CompilerKit::kKeywordKindConstant);
+  kKeywords.emplace_back("*", CompilerKit::kKeywordKindPtr);
+  kKeywords.emplace_back("->", CompilerKit::kKeywordKindPtrAccess);
+  kKeywords.emplace_back(".", CompilerKit::kKeywordKindAccess);
+  kKeywords.emplace_back(",", CompilerKit::kKeywordKindArgSeparator);
+  kKeywords.emplace_back(";", CompilerKit::kKeywordKindEndInstr);
+  kKeywords.emplace_back(":", CompilerKit::kKeywordKindSpecifier);
+  kKeywords.emplace_back("public:", CompilerKit::kKeywordKindSpecifier);
+  kKeywords.emplace_back("private:", CompilerKit::kKeywordKindSpecifier);
+  kKeywords.emplace_back("protected:", CompilerKit::kKeywordKindSpecifier);
+  kKeywords.emplace_back("final", CompilerKit::kKeywordKindSpecifier);
+  kKeywords.emplace_back("return", CompilerKit::kKeywordKindReturn);
+  kKeywords.emplace_back("/*", CompilerKit::kKeywordKindCommentMultiLineStart);
+  kKeywords.emplace_back("*/", CompilerKit::kKeywordKindCommentMultiLineEnd);
+  kKeywords.emplace_back("//", CompilerKit::kKeywordKindCommentInline);
+  kKeywords.emplace_back("==", CompilerKit::kKeywordKindEq);
+  kKeywords.emplace_back("!=", CompilerKit::kKeywordKindNotEq);
+  kKeywords.emplace_back(">=", CompilerKit::kKeywordKindGreaterEq);
+  kKeywords.emplace_back("<=", CompilerKit::kKeywordKindLessEq);
+
+  kErrorLimit = 0;
+
+  kCompilerFrontend = new CompilerFrontendCPlusPlusAMD64();
+  kFactory.Mount(new AssemblyCPlusPlusInterfaceAMD64());
+
+  CompilerKit::install_signal(SIGSEGV, Detail::drvi_crash_handler);
+
+  for (auto index = 1UL; index < argc; ++index) {
+    if (!argv[index]) break;
+
+    if (argv[index][0] == '-') {
+      if (skip) {
+        skip = false;
+        continue;
+      }
+
+      if (strcmp(argv[index], "-cxx-verbose") == 0) {
+        kVerbose = true;
+
+        continue;
+      }
+
+      if (strcmp(argv[index], "-cxx-dialect") == 0) {
+        if (kCompilerFrontend) std::cout << kCompilerFrontend->Language() << "\n";
+
+        return LIBCOMPILER_SUCCESS;
+      }
+
+      if (strcmp(argv[index], "-cxx-max-err") == 0) {
+        try {
+          kErrorLimit = std::strtol(argv[index + 1], nullptr, 10);
+        }
+        // catch anything here
+        catch (...) {
+          kErrorLimit = 0;
+        }
+
+        skip = true;
+
+        continue;
+      }
+
+      CompilerKit::STLString err = "Unknown option: ";
+      err += argv[index];
+
+      Detail::print_error(err, "cxxdrv");
+
+      continue;
+    }
+
+    CompilerKit::STLString argv_i = argv[index];
+
+    std::vector<CompilerKit::STLString> exts = kExtListCxx;
+
+    for (CompilerKit::STLString ext : exts) {
+      if (argv_i.ends_with(ext)) {
+        if (kFactory.Compile(argv_i, kMachine) != kExitOK) {
+          return LIBCOMPILER_INVALID_DATA;
+        }
+
+        break;
+      }
+    }
+  }
+
+  kFactory.Unmount();
+
+  return LIBCOMPILER_SUCCESS;
+}
+
+//
+// Last rev 23-5-25
+//