feat: reintroduce PowerPC, ARM, and Open64x0 C compiler frontends.

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

3 files changed, 3873 insertions, 0 deletions

diff --git a/dev/LibCompiler/src/Frontend/CCompiler64x0.cc b/dev/LibCompiler/src/Frontend/CCompiler64x0.cc
new file mode 100644
index 0000000..295de89
--- /dev/null
+++ b/dev/LibCompiler/src/Frontend/CCompiler64x0.cc
@@ -0,0 +1,1286 @@
+/*
+ *	========================================================
+ *
+ *	cc
+ * 	Copyright (C) 2024-2025 Amlal El Mahrouss, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+/// BUGS: 0
+/// TODO: none
+
+#include <LibCompiler/Backend/64x0.h>
+#include <LibCompiler/Frontend.h>
+#include <LibCompiler/UUID.h>
+#include <LibCompiler/Util/CompilerUtils.h>
+#include <cstdio>
+#include <fstream>
+#include <iostream>
+#include <memory>
+#include <random>
+#include <string>
+#include <utility>
+#include <vector>
+
+/* C driver */
+/* This is part of the LibCompiler. */
+/* (c) Amlal El Mahrouss */
+
+/// @author EL Mahrouss Amlal (amlel)
+/// @file 64x0-cc.cxx
+/// @brief 64x0 C Compiler.
+
+/// TODO: support structures, else if, else, . and  ->
+
+/////////////////////
+
+// ANSI ESCAPE CODES
+
+/////////////////////
+
+#define kExitOK (0)
+
+#define kBlank "\e[0;30m"
+#define kRed "\e[0;31m"
+#define kWhite "\e[0;97m"
+
+/////////////////////////////////////
+
+// INTERNAL STUFF OF THE C COMPILER
+
+/////////////////////////////////////
+
+namespace Detail {
+// \brief Register map structure, used to keep track of each variable's registers.
+struct CompilerRegisterMap final {
+  std::string fName;
+  std::string fReg;
+};
+
+// \brief Map for C structs
+// \author amlel
+struct CompilerStructMap final {
+  // 'my_foo'
+  std::string fName;
+
+  // if instance: stores a valid register.
+  std::string fReg;
+
+  // offset count
+  std::size_t fOffsetsCnt;
+
+  // offset array.
+  std::vector<std::pair<Int32, std::string>> fOffsets;
+};
+
+struct CompilerState final {
+  std::vector<LibCompiler::SyntaxLeafList> fSyntaxTreeList;
+  std::vector<CompilerRegisterMap>         kStackFrame;
+  std::vector<CompilerStructMap>           kStructMap;
+  LibCompiler::SyntaxLeafList*             fSyntaxTree{nullptr};
+  std::unique_ptr<std::ofstream>           fOutputAssembly;
+  std::string                              fLastFile;
+  std::string                              fLastError;
+  bool                                     fVerbose;
+};
+}  // namespace Detail
+
+static Detail::CompilerState kState;
+static std::string           kIfFunction = "";
+
+namespace Detail {
+/// @brief prints an error into stdout.
+/// @param reason the reason of the error.
+/// @param file where does it originate from?
+void print_error(std::string reason, std::string file) noexcept;
+
+struct CompilerType final {
+  std::string fName;
+  std::string fValue;
+};
+}  // namespace Detail
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+// Target architecture.
+static int kMachine = 0;
+
+/////////////////////////////////////////
+
+// REGISTERS ACCORDING TO USED ASSEMBLER
+
+/////////////////////////////////////////
+
+static size_t      kRegisterCnt     = kAsmRegisterLimit;
+static size_t      kStartUsable     = 2;
+static size_t      kUsableLimit     = 15;
+static size_t      kRegisterCounter = kStartUsable;
+static std::string kRegisterPrefix  = kAsmRegisterPrefix;
+
+/////////////////////////////////////////
+
+// COMPILER PARSING UTILITIES/STATES.
+
+/////////////////////////////////////////
+
+static std::vector<std::string>     kFileList;
+static LibCompiler::AssemblyFactory kFactory;
+static bool                         kInStruct    = false;
+static bool                         kOnWhileLoop = false;
+static bool                         kOnForLoop   = false;
+static bool                         kInBraces    = false;
+static bool                         kIfFound     = false;
+static size_t                       kBracesCount = 0UL;
+
+/* @brief C compiler backend for C */
+class CompilerFrontend64x0 final : public LibCompiler::CompilerFrontendInterface {
+ public:
+  explicit CompilerFrontend64x0()  = default;
+  ~CompilerFrontend64x0() override = default;
+
+  LIBCOMPILER_COPY_DEFAULT(CompilerFrontend64x0);
+
+  std::string Check(const char* text, const char* file);
+  LibCompiler::SyntaxLeafList::SyntaxLeaf        Compile(std::string text, std::string file) override;
+
+  const char* Language() override { return "64k C"; }
+};
+
+static CompilerFrontend64x0*             kCompilerFrontend = nullptr;
+static std::vector<Detail::CompilerType> kCompilerVariables;
+static std::vector<std::string>          kCompilerFunctions;
+static std::vector<Detail::CompilerType> kCompilerTypes;
+
+namespace Detail {
+union number_cast final {
+ public:
+  number_cast(UInt64 _Raw) : _Raw(_Raw) {}
+
+ public:
+  char   _Num[8];
+  UInt64 _Raw;
+};
+
+union double_cast final {
+ public:
+  double_cast(float _Raw) : _Raw(_Raw) {}
+
+ public:
+  char _Sign;
+  char _Lh[8];
+  char _Rh[23];
+
+  float _Raw;
+};
+}  // namespace Detail
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+// @name Compile
+// @brief Generate MASM from a C assignement.
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+LibCompiler::SyntaxLeafList::SyntaxLeaf CompilerFrontend64x0::Compile(std::string text_, std::string file) {
+  std::string text = text_;
+
+  bool typeFound = false;
+  bool fnFound   = false;
+
+  // setup generator.
+  std::random_device rd;
+
+  auto seed_data = std::array<int, std::mt19937::state_size>{};
+  std::generate(std::begin(seed_data), std::end(seed_data), std::ref(rd));
+  std::seed_seq seq(std::begin(seed_data), std::end(seed_data));
+  std::mt19937  generator(seq);
+
+  // start parsing
+  for (size_t text_index = 0; text_index < text.size(); ++text_index) {
+    auto syntaxLeaf = LibCompiler::SyntaxLeafList::SyntaxLeaf();
+
+    auto        gen = uuids::uuid_random_generator{generator};
+    uuids::uuid out = gen();
+
+    Detail::number_cast time_off = (UInt64) out.as_bytes().data();
+
+    if (!typeFound) {
+      auto        substr = text.substr(text_index);
+      std::string match_type;
+
+      for (size_t y = 0; y < substr.size(); ++y) {
+        if (substr[y] == ' ') {
+          while (match_type.find(' ') != std::string::npos) {
+            match_type.erase(match_type.find(' '));
+          }
+
+          for (auto& clType : kCompilerTypes) {
+            if (clType.fName == match_type) {
+              match_type.clear();
+
+              std::string buf;
+
+              buf += clType.fValue;
+              buf += ' ';
+
+              if (substr.find('=') != std::string::npos) {
+                break;
+              }
+
+              if (text.find('(') != std::string::npos) {
+                syntaxLeaf.fUserValue = buf;
+
+                kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+              }
+
+              typeFound = true;
+              break;
+            }
+          }
+
+          break;
+        }
+
+        match_type += substr[y];
+      }
+    }
+
+    if (text[text_index] == '{') {
+      if (kInStruct) {
+        continue;
+      }
+
+      kInBraces = true;
+      ++kBracesCount;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+    }
+
+    // return keyword handler
+    if (text[text_index] == 'r') {
+      std::string return_keyword;
+      return_keyword += "return";
+
+      std::size_t index = 0UL;
+
+      std::string value;
+
+      for (size_t return_index = text_index; return_index < text.size(); ++return_index) {
+        if (text[return_index] != return_keyword[index]) {
+          for (size_t value_index = return_index; value_index < text.size(); ++value_index) {
+            if (text[value_index] == ';') break;
+
+            value += text[value_index];
+          }
+
+          break;
+        }
+
+        ++index;
+      }
+
+      if (index == return_keyword.size()) {
+        if (!value.empty()) {
+          if (value.find('(') != std::string::npos) {
+            value.erase(value.find('('));
+          }
+
+          if (!isdigit(value[value.find('(') + 2])) {
+            std::string tmp        = value;
+            bool        reg_to_reg = false;
+
+            value.clear();
+
+            value += " extern_segment";
+            value += tmp;
+          }
+
+          syntaxLeaf.fUserValue = "\tldw r19, ";
+
+          // make it pretty.
+          if (value.find('\t') != std::string::npos) value.erase(value.find('\t'), 1);
+
+          syntaxLeaf.fUserValue += value + "\n";
+        }
+
+        syntaxLeaf.fUserValue += "\tjlr";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+        break;
+      }
+    }
+
+    if (text[text_index] == 'i' && text[text_index + 1] == 'f') {
+      auto expr = text.substr(text_index + 2);
+      text.erase(text_index, 2);
+
+      if (expr.find("{") != std::string::npos) {
+        expr.erase(expr.find("{"));
+      }
+
+      if (expr.find("(") != std::string::npos) expr.erase(expr.find("("));
+
+      if (expr.find(")") != std::string::npos) expr.erase(expr.find(")"));
+
+      kIfFunction = "__LIBCOMPILER_IF_PROC_";
+      kIfFunction += std::to_string(time_off._Raw);
+
+      syntaxLeaf.fUserValue = "\tlda r12, extern_segment ";
+      syntaxLeaf.fUserValue += kIfFunction +
+                               "\n\t#r12 = Code to jump on, r11 right cond, r10 left cond.\n\tbeq "
+                               "r10, r11, r12\ndword public_segment .code64 " +
+                               kIfFunction + "\n";
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+      kIfFound = true;
+    }
+
+    // Parse expressions and instructions here.
+    // what does this mean?
+    // we encounter an assignment, or we reached the end of an expression.
+    if (text[text_index] == '=' || text[text_index] == ';') {
+      if (fnFound) continue;
+      if (kIfFound) continue;
+
+      if (text[text_index] == ';' && kInStruct) continue;
+
+      if (text.find("typedef ") != std::string::npos) continue;
+
+      if (text[text_index] == '=' && kInStruct) {
+        Detail::print_error("assignement of value in struct " + text, file);
+        continue;
+      }
+
+      if (text[text_index] == ';' && kInStruct) {
+        bool        space_found_ = false;
+        std::string sym;
+
+        for (auto& ch : text) {
+          if (ch == ' ') {
+            space_found_ = true;
+          }
+
+          if (ch == ';') break;
+
+          if (space_found_) sym.push_back(ch);
+        }
+
+        kState.kStructMap[kState.kStructMap.size() - 1].fOffsets.push_back(
+            std::make_pair(kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt + 4, sym));
+
+        kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt =
+            kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt + 4;
+
+        continue;
+      }
+
+      if (text[text_index] == '=' && kInStruct) {
+        continue;
+      }
+
+      if (text[text_index + 1] == '=' || text[text_index - 1] == '!' ||
+          text[text_index - 1] == '<' || text[text_index - 1] == '>') {
+        continue;
+      }
+
+      std::string substr;
+
+      if (text.find('=') != std::string::npos && kInBraces && !kIfFound) {
+        if (text.find("*") != std::string::npos) {
+          if (text.find("=") > text.find("*"))
+            substr += "\tlda ";
+          else
+            substr += "\tldw ";
+        } else {
+          substr += "\tldw ";
+        }
+      } else if (text.find('=') != std::string::npos && !kInBraces) {
+        substr += "stw public_segment .data64 ";
+      }
+
+      int first_encountered = 0;
+
+      std::string str_name;
+
+      for (size_t text_index_2 = 0; text_index_2 < text.size(); ++text_index_2) {
+        if (text[text_index_2] == '\"') {
+          ++text_index_2;
+
+          // want to add this, so that the parser recognizes that this is a
+          // string.
+          substr += '"';
+
+          for (; text_index_2 < text.size(); ++text_index_2) {
+            if (text[text_index_2] == '\"') break;
+
+            substr += text[text_index_2];
+          }
+        }
+
+        if (text[text_index_2] == '{' || text[text_index_2] == '}') continue;
+
+        if (text[text_index_2] == ';') {
+          break;
+        }
+
+        if (text[text_index_2] == ' ' || text[text_index_2] == '\t') {
+          if (first_encountered != 2) {
+            if (text[text_index] != '=' &&
+                substr.find("public_segment .data64") == std::string::npos && !kInStruct)
+              substr += "public_segment .data64 ";
+          }
+
+          ++first_encountered;
+
+          continue;
+        }
+
+        if (text[text_index_2] == '=') {
+          if (!kInBraces) {
+            substr.replace(substr.find("public_segment .data64"), strlen("public_segment .data64"),
+                           "public_segment .zero64 ");
+          }
+
+          substr += ",";
+          continue;
+        }
+
+        substr += text[text_index_2];
+      }
+
+      for (auto& clType : kCompilerTypes) {
+        if (substr.find(clType.fName) != std::string::npos) {
+          if (substr.find(clType.fName) > substr.find('"')) continue;
+
+          substr.erase(substr.find(clType.fName), clType.fName.size());
+        } else if (substr.find(clType.fValue) != std::string::npos) {
+          if (substr.find(clType.fValue) > substr.find('"')) continue;
+
+          if (clType.fName == "const") continue;
+
+          substr.erase(substr.find(clType.fValue), clType.fValue.size());
+        }
+      }
+
+      if (substr.find("extern") != std::string::npos) {
+        substr.replace(substr.find("extern"), strlen("extern"), "extern_segment ");
+
+        if (substr.find("public_segment .data64") != std::string::npos)
+          substr.erase(substr.find("public_segment .data64"), strlen("public_segment .data64"));
+      }
+
+      auto var_to_find = std::find_if(
+          kCompilerVariables.cbegin(), kCompilerVariables.cend(),
+          [&](Detail::CompilerType type) { return type.fName.find(substr) != std::string::npos; });
+
+      if (kRegisterCounter == 5 || kRegisterCounter == 6) ++kRegisterCounter;
+
+      std::string reg = kAsmRegisterPrefix;
+      reg += std::to_string(kRegisterCounter);
+
+      if (var_to_find == kCompilerVariables.cend()) {
+        ++kRegisterCounter;
+
+        kState.kStackFrame.push_back({.fName = substr, .fReg = reg});
+        kCompilerVariables.push_back({.fName = substr});
+      }
+
+      syntaxLeaf.fUserValue += substr;
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+      if (text[text_index] == '=') break;
+    }
+
+    // function handler.
+
+    if (text[text_index] == '(' && !fnFound && !kIfFound) {
+      std::string substr;
+      std::string args_buffer;
+      std::string args;
+
+      bool type_crossed = false;
+
+      for (size_t idx = text.find('(') + 1; idx < text.size(); ++idx) {
+        if (text[idx] == ',') continue;
+
+        if (text[idx] == ' ') continue;
+
+        if (text[idx] == ')') break;
+      }
+
+      for (char substr_first_index : text) {
+        if (substr_first_index != ',')
+          args_buffer += substr_first_index;
+        else
+          args_buffer += '$';
+
+        if (substr_first_index == ';') {
+          args_buffer = args_buffer.erase(0, args_buffer.find('('));
+          args_buffer = args_buffer.erase(args_buffer.find(';'), 1);
+          args_buffer = args_buffer.erase(args_buffer.find(')'), 1);
+          args_buffer = args_buffer.erase(args_buffer.find('('), 1);
+
+          if (!args_buffer.empty()) args += "\tldw r6, ";
+
+          std::string register_type;
+          std::size_t index = 7UL;
+
+          while (args_buffer.find("$") != std::string::npos) {
+            register_type = kRegisterPrefix;
+            register_type += std::to_string(index);
+
+            ++index;
+
+            args_buffer.replace(args_buffer.find('$'), 1, "\n\tldw " + register_type + ",");
+          }
+
+          args += args_buffer;
+          args += "\n\tlda r19, ";
+        }
+      }
+
+      for (char _text_i : text) {
+        if (_text_i == '\t' || _text_i == ' ') {
+          if (!type_crossed) {
+            substr.clear();
+            type_crossed = true;
+          }
+
+          continue;
+        }
+
+        if (_text_i == '(') break;
+
+        substr += _text_i;
+      }
+
+      if (kInBraces) {
+        syntaxLeaf.fUserValue = args;
+        syntaxLeaf.fUserValue += substr;
+        syntaxLeaf.fUserValue += "\n\tjrl\n";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+        fnFound = true;
+      } else {
+        syntaxLeaf.fUserValue.clear();
+
+        syntaxLeaf.fUserValue += "public_segment .code64 ";
+
+        syntaxLeaf.fUserValue += substr;
+        syntaxLeaf.fUserValue += "\n";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+        fnFound = true;
+      }
+
+      kCompilerFunctions.push_back(text);
+    }
+
+    if (text[text_index] == '-' && text[text_index + 1] == '-') {
+      text = text.replace(text.find("--"), strlen("--"), "");
+
+      for (int _text_i = 0; _text_i < text.size(); ++_text_i) {
+        if (text[_text_i] == '\t' || text[_text_i] == ' ') text.erase(_text_i, 1);
+      }
+
+      syntaxLeaf.fUserValue += "sub ";
+      syntaxLeaf.fUserValue += text;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+      break;
+    }
+
+    if (text[text_index] == '}') {
+      kRegisterCounter = kStartUsable;
+
+      --kBracesCount;
+
+      if (kBracesCount < 1) {
+        kInBraces    = false;
+        kBracesCount = 0;
+      }
+
+      if (kIfFound) kIfFound = false;
+
+      if (kInStruct) kInStruct = false;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+    }
+
+    syntaxLeaf.fUserValue.clear();
+  }
+
+  auto syntaxLeaf       = LibCompiler::SyntaxLeafList::SyntaxLeaf();
+  syntaxLeaf.fUserValue = "\n";
+  kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+  return syntaxLeaf;
+}
+
+static bool        kShouldHaveBraces = false;
+static std::string kFnName;
+
+std::string CompilerFrontend64x0::Check(const char* text, const char* file) {
+  std::string err_str;
+  std::string ln = text;
+
+  if (ln.empty()) {
+    return err_str;
+  }
+
+  bool non_ascii_found = false;
+
+  for (int i = 0; i < ln.size(); ++i) {
+    if (isalnum(ln[i])) {
+      non_ascii_found = true;
+      break;
+    }
+  }
+
+  if (kShouldHaveBraces && ln.find('{') != std::string::npos) {
+    kShouldHaveBraces = false;
+  }
+
+  if (!non_ascii_found) return err_str;
+
+  size_t string_index = 1UL;
+
+  if (ln.find('\'') != std::string::npos) {
+    string_index = ln.find('\'') + 1;
+
+    for (; string_index < ln.size(); ++string_index) {
+      if (ln[string_index] == '\'') {
+        if (ln[string_index + 1] != ';') {
+          ln.erase(string_index, 1);
+        }
+
+        return err_str;
+      }
+    }
+  } else if (ln.find('"') != std::string::npos) {
+    string_index = ln.find('"') + 1;
+
+    for (; string_index < ln.size(); ++string_index) {
+      if (ln[string_index] == '"') {
+        if (ln[string_index + 1] != ';') {
+          ln.erase(string_index, 1);
+        } else {
+          break;
+        }
+      }
+    }
+  } else if (ln.find('"') == std::string::npos && ln.find('\'') == std::string::npos) {
+    std::vector<std::string> forbidden_words;
+
+    forbidden_words.push_back("\\");
+    forbidden_words.push_back("?");
+    forbidden_words.push_back("@");
+    forbidden_words.push_back("~");
+    forbidden_words.push_back("::");
+    forbidden_words.push_back("--*");
+    forbidden_words.push_back("*/");
+
+    // add them to avoid stupid mistakes.
+    forbidden_words.push_back("namespace");
+    forbidden_words.push_back("class");
+    forbidden_words.push_back("extern \"C\"");
+
+    for (auto& forbidden : forbidden_words) {
+      if (ln.find(forbidden) != std::string::npos) {
+        err_str += "\nForbidden character detected: ";
+        err_str += forbidden;
+
+        return err_str;
+      }
+    }
+  }
+
+  struct CompilerVariableRange final {
+    std::string fBegin;
+    std::string fEnd;
+  };
+
+  const std::vector<CompilerVariableRange> variables_list = {
+      {.fBegin = "static ", .fEnd = "="}, {.fBegin = "=", .fEnd = ";"},
+      {.fBegin = "if(", .fEnd = "="},     {.fBegin = "if (", .fEnd = "="},
+      {.fBegin = "if(", .fEnd = "<"},     {.fBegin = "if (", .fEnd = "<"},
+      {.fBegin = "if(", .fEnd = ">"},     {.fBegin = "if (", .fEnd = ">"},
+      {.fBegin = "if(", .fEnd = ")"},     {.fBegin = "if (", .fEnd = ")"},
+
+      {.fBegin = "else(", .fEnd = "="},   {.fBegin = "else (", .fEnd = "="},
+      {.fBegin = "else(", .fEnd = "<"},   {.fBegin = "else (", .fEnd = "<"},
+      {.fBegin = "else(", .fEnd = ">"},   {.fBegin = "else (", .fEnd = ">"},
+      {.fBegin = "else(", .fEnd = ")"},   {.fBegin = "else (", .fEnd = ")"},
+  };
+
+  for (auto& variable : variables_list) {
+    if (ln.find(variable.fBegin) != std::string::npos) {
+      string_index = ln.find(variable.fBegin) + variable.fBegin.size();
+
+      while (ln[string_index] == ' ') ++string_index;
+
+      std::string keyword;
+
+      for (; string_index < ln.size(); ++string_index) {
+        if (ln[string_index] == variable.fEnd[0]) {
+          std::string varname = "";
+
+          for (size_t index_keyword = ln.find(' '); ln[index_keyword] != variable.fBegin[0];
+               ++index_keyword) {
+            if (ln[index_keyword] == ' ') {
+              continue;
+            }
+
+            if (isdigit(ln[index_keyword])) {
+              goto cc_next_loop;
+            }
+
+            varname += ln[index_keyword];
+          }
+
+          if (varname.find(' ') != std::string::npos) {
+            varname.erase(0, varname.find(' '));
+
+            if (variable.fBegin == "extern") {
+              varname.erase(0, varname.find(' '));
+            }
+          }
+
+          if (kRegisterCounter == 5 || kRegisterCounter == 6) ++kRegisterCounter;
+
+          std::string reg = kAsmRegisterPrefix;
+          reg += std::to_string(kRegisterCounter);
+
+          kCompilerVariables.push_back({.fValue = varname});
+          goto cc_check_done;
+        }
+
+        keyword.push_back(ln[string_index]);
+      }
+
+      goto cc_next_loop;
+
+    cc_check_done:
+
+      // skip digit value.
+      if (isdigit(keyword[0]) || keyword[0] == '"') {
+        goto cc_next_loop;
+      }
+
+      while (keyword.find(' ') != std::string::npos) keyword.erase(keyword.find(' '), 1);
+
+      for (auto& var : kCompilerVariables) {
+        if (var.fValue.find(keyword) != std::string::npos) {
+          err_str.clear();
+          goto cc_next;
+        }
+      }
+
+      for (auto& fn : kCompilerFunctions) {
+        if (fn.find(keyword[0]) != std::string::npos) {
+          auto where_begin   = fn.find(keyword[0]);
+          auto keyword_begin = 0UL;
+          auto failed        = false;
+
+          for (; where_begin < keyword.size(); ++where_begin) {
+            if (fn[where_begin] == '(' && keyword[keyword_begin] == '(') break;
+
+            if (fn[where_begin] != keyword[keyword_begin]) {
+              failed = true;
+              break;
+            }
+
+            ++keyword_begin;
+          }
+
+          if (!failed) {
+            err_str.clear();
+            goto cc_next;
+          } else {
+            continue;
+          }
+        }
+      }
+
+    cc_error_value:
+      if (keyword.find("->") != std::string::npos) return err_str;
+
+      if (keyword.find(".") != std::string::npos) return err_str;
+
+      if (isalnum(keyword[0])) err_str += "\nUndefined value: " + keyword;
+
+      return err_str;
+    }
+
+  cc_next_loop:
+    continue;
+  }
+
+cc_next:
+
+  // extern does not declare anything, it extern_segments a variable.
+  // so that's why it's not declare upper.
+  if (LibCompiler::find_word(ln, "extern")) {
+    auto substr = ln.substr(ln.find("extern") + strlen("extern"));
+    kCompilerVariables.push_back({.fValue = substr});
+  }
+
+  if (kShouldHaveBraces && ln.find('{') == std::string::npos) {
+    err_str += "Missing '{' for function ";
+    err_str += kFnName;
+    err_str += "\n";
+
+    kShouldHaveBraces = false;
+    kFnName.clear();
+  } else if (kShouldHaveBraces && ln.find('{') != std::string::npos) {
+    kShouldHaveBraces = false;
+    kFnName.clear();
+  }
+
+  bool type_not_found = true;
+
+  if (ln.find('\'') != std::string::npos) {
+    ln.replace(ln.find('\''), 3, "0");
+  }
+
+  auto first = ln.find('"');
+  if (first != std::string::npos) {
+    auto second             = 0UL;
+    bool found_second_quote = false;
+
+    for (size_t i = first + 1; i < ln.size(); ++i) {
+      if (ln[i] == '\"') {
+        found_second_quote = true;
+        second             = i;
+
+        break;
+      }
+    }
+
+    if (!found_second_quote) {
+      err_str += "Missing terminating \".";
+      err_str += " here -> " + ln.substr(ln.find('"'), second);
+    }
+  }
+
+  if (ln.find(')') != std::string::npos && ln.find(';') == std::string::npos) {
+    if (ln.find('{') == std::string::npos) {
+      kFnName           = ln;
+      kShouldHaveBraces = true;
+
+      goto skip_braces_check;
+    } else if (ln.find('{') != std::string::npos) {
+      kShouldHaveBraces = false;
+    }
+  }
+
+skip_braces_check:
+
+  for (auto& key : kCompilerTypes) {
+    if (LibCompiler::find_word(ln, key.fName)) {
+      if (isdigit(ln[ln.find(key.fName) + key.fName.size() + 1])) {
+        err_str += "\nNumber cannot be set for ";
+        err_str += key.fName;
+        err_str += "'s name. here -> ";
+        err_str += ln;
+      }
+
+      if (ln.find(key.fName) == 0 || ln[ln.find(key.fName) - 1] == ' ' ||
+          ln[ln.find(key.fName) - 1] == '\t') {
+        type_not_found = false;
+
+        if (ln[ln.find(key.fName) + key.fName.size()] != ' ') {
+          type_not_found = true;
+
+          if (ln[ln.find(key.fName) + key.fName.size()] == '\t') type_not_found = false;
+
+          goto next;
+        } else if (ln[ln.find(key.fName) + key.fName.size()] != '\t') {
+          type_not_found = true;
+
+          if (ln[ln.find(key.fName) + key.fName.size()] == ' ') type_not_found = false;
+        }
+      }
+
+    next:
+
+      if (ln.find(';') == std::string::npos) {
+        if (ln.find('(') != std::string::npos) {
+          if (ln.find('=') == std::string::npos) continue;
+        }
+
+        err_str += "\nMissing ';', here -> ";
+        err_str += ln;
+      } else {
+        continue;
+      }
+
+      if (ln.find('=') != std::string::npos) {
+        if (ln.find('(') != std::string::npos) {
+          if (ln.find(')') == std::string::npos) {
+            err_str += "\nMissing ')', after '(' here -> ";
+            err_str += ln.substr(ln.find('('));
+          }
+        }
+      }
+    }
+  }
+
+  if (kInBraces && ln.find("struct") != std::string::npos &&
+      ln.find("union") != std::string::npos && ln.find("enum") != std::string::npos &&
+      ln.find('=') != std::string::npos) {
+    if (ln.find(';') == std::string::npos) {
+      err_str += "\nMissing ';' after struct/union/enum declaration, here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (ln.find(';') != std::string::npos && ln.find("for") == std::string::npos) {
+    if (ln.find(';') + 1 != ln.size()) {
+      for (int i = 0; i < ln.substr(ln.find(';') + 1).size(); ++i) {
+        if ((ln.substr(ln.find(';') + 1)[i] != ' ') || (ln.substr(ln.find(';') + 1)[i] != '\t')) {
+          if (auto err = this->Check(ln.substr(ln.find(';') + 1).c_str(), file); !err.empty()) {
+            err_str += "\nUnexpected text after ';' -> ";
+            err_str += ln.substr(ln.find(';'));
+            err_str += err;
+          }
+        }
+      }
+    }
+  }
+
+  if (ln.find('(') != std::string::npos) {
+    if (ln.find(';') == std::string::npos && !LibCompiler::find_word(ln, "|") &&
+        !LibCompiler::find_word(ln, "||") && !LibCompiler::find_word(ln, "&") &&
+        !LibCompiler::find_word(ln, "&&") && !LibCompiler::find_word(ln, "~")) {
+      bool              found_func = false;
+      size_t            i          = ln.find('(');
+      std::vector<char> opens;
+      std::vector<char> closes;
+
+      for (; i < ln.size(); ++i) {
+        if (ln[i] == ')') {
+          closes.push_back(1);
+        }
+
+        if (ln[i] == '(') {
+          opens.push_back(1);
+        }
+      }
+
+      if (closes.size() != opens.size()) err_str += "Unterminated (), here -> " + ln;
+
+      bool space_found = false;
+
+      for (int i = 0; i < ln.size(); ++i) {
+        if (ln[i] == ')' && !space_found) {
+          space_found = true;
+          continue;
+        }
+
+        if (space_found) {
+          if (ln[i] == ' ' && isalnum(ln[i + 1])) {
+            err_str += "\nBad function format here -> ";
+            err_str += ln;
+          }
+        }
+      }
+    }
+
+    if (ln.find('(') < 1) {
+      err_str += "\nMissing identifier before '(' here -> ";
+      err_str += ln;
+    } else {
+      if (type_not_found && ln.find(';') == std::string::npos &&
+          ln.find("if") == std::string::npos && ln.find("|") == std::string::npos &&
+          ln.find("&") == std::string::npos && ln.find("(") == std::string::npos &&
+          ln.find(")") == std::string::npos) {
+        err_str += "\n Missing ';' or type, here -> ";
+        err_str += ln;
+      }
+    }
+
+    if (ln.find(')') == std::string::npos) {
+      err_str += "\nMissing ')', after '(' here -> ";
+      err_str += ln.substr(ln.find('('));
+    }
+  } else {
+    if (ln.find("for") != std::string::npos || ln.find("while") != std::string::npos) {
+      err_str += "\nMissing '(', after \"for\", here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (ln.find('}') != std::string::npos && !kInBraces) {
+    if (!kInStruct && ln.find(';') == std::string::npos) {
+      err_str += "\nMismatched '}', here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (!ln.empty()) {
+    if (ln.find(';') == std::string::npos && ln.find('{') == std::string::npos &&
+        ln.find('}') == std::string::npos && ln.find(')') == std::string::npos &&
+        ln.find('(') == std::string::npos && ln.find(',') == std::string::npos) {
+      if (ln.size() <= 2) return err_str;
+
+      err_str += "\nMissing ';', here -> ";
+      err_str += ln;
+    }
+  }
+
+  return err_str;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * @brief C To Assembly mount-point.
+ */
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+class AssemblyCCInterface final LC_ASSEMBLY_INTERFACE {
+ public:
+  explicit AssemblyCCInterface()  = default;
+  ~AssemblyCCInterface() override = default;
+
+  LIBCOMPILER_COPY_DEFAULT(AssemblyCCInterface);
+
+  UInt32 Arch() noexcept override { return LibCompiler::AssemblyFactory::kArch64x0; }
+
+  Int32 CompileToFormat(std::string src, Int32 arch) override {
+    if (kCompilerFrontend == nullptr) return 1;
+
+    /* @brief copy contents wihtout extension */
+    std::string   src_file = src.data();
+    std::ifstream src_fp   = std::ifstream(src_file, std::ios::in);
+    std::string   dest;
+
+    for (auto& ch : src_file) {
+      if (ch == '.') {
+        break;
+      }
+
+      dest += ch;
+    }
+
+    /* According to PEF ABI. */
+    std::vector<const char*> exts = kAsmFileExts;
+    dest += exts[4];
+
+    kState.fOutputAssembly = std::make_unique<std::ofstream>(dest);
+
+    auto fmt = LibCompiler::current_date();
+
+    (*kState.fOutputAssembly) << "# Path: " << src_file << "\n";
+    (*kState.fOutputAssembly) << "# Language: 64x0 Assembly (Generated from ANSI C)\n";
+    (*kState.fOutputAssembly) << "# Date: " << fmt << "\n\n";
+
+    LibCompiler::SyntaxLeafList syntax;
+
+    kState.fSyntaxTreeList.push_back(syntax);
+    kState.fSyntaxTree = &kState.fSyntaxTreeList[kState.fSyntaxTreeList.size() - 1];
+
+    std::string line_src;
+
+    while (std::getline(src_fp, line_src)) {
+      if (auto err = kCompilerFrontend->Check(line_src.c_str(), src.data()); err.empty()) {
+        kCompilerFrontend->Compile(line_src, src.data());
+      } else {
+        Detail::print_error(err, src.data());
+      }
+    }
+
+    if (kAcceptableErrors > 0) return 1;
+
+    std::vector<std::string> keywords = {"ldw", "stw", "lda", "sta", "add", "sub", "mv"};
+
+    ///
+    /// Replace, optimize, fix assembly output.
+    ///
+
+    for (auto& leaf : kState.fSyntaxTree->fLeafList) {
+      std::vector<std::string> access_keywords = {"->", "."};
+
+      for (auto& access_ident : access_keywords) {
+        if (LibCompiler::find_word(leaf.fUserValue, access_ident)) {
+          for (auto& struc : kState.kStructMap) {
+            /// TODO:
+          }
+        }
+      }
+
+      for (auto& keyword : keywords) {
+        if (LibCompiler::find_word(leaf.fUserValue, keyword)) {
+          std::size_t cnt = 0UL;
+
+          for (auto& reg : kState.kStackFrame) {
+            std::string needle;
+
+            for (size_t i = 0; i < reg.fName.size(); i++) {
+              if (reg.fName[i] == ' ') {
+                ++i;
+
+                for (; i < reg.fName.size(); i++) {
+                  if (reg.fName[i] == ',') {
+                    break;
+                  }
+
+                  if (reg.fName[i] == ' ') continue;
+
+                  needle += reg.fName[i];
+                }
+
+                break;
+              }
+            }
+
+            if (LibCompiler::find_word(leaf.fUserValue, needle)) {
+              if (leaf.fUserValue.find("extern_segment " + needle) != std::string::npos) {
+                std::string range = "extern_segment " + needle;
+                leaf.fUserValue.replace(leaf.fUserValue.find("extern_segment " + needle),
+                                        range.size(), needle);
+              }
+
+              if (leaf.fUserValue.find("ldw r6") != std::string::npos) {
+                std::string::difference_type countComma =
+                    std::count(leaf.fUserValue.begin(), leaf.fUserValue.end(), ',');
+
+                if (countComma == 1) {
+                  leaf.fUserValue.replace(leaf.fUserValue.find("ldw"), strlen("ldw"), "mv");
+                }
+              }
+
+              leaf.fUserValue.replace(leaf.fUserValue.find(needle), needle.size(), reg.fReg);
+
+              ++cnt;
+            }
+          }
+
+          if (cnt > 1 && keyword != "mv" && keyword != "add" && keyword != "sub") {
+            leaf.fUserValue.replace(leaf.fUserValue.find(keyword), keyword.size(), "mv");
+          }
+        }
+      }
+    }
+
+    for (auto& leaf : kState.fSyntaxTree->fLeafList) {
+      (*kState.fOutputAssembly) << leaf.fUserValue;
+    }
+
+    kState.fSyntaxTree = nullptr;
+
+    kState.fOutputAssembly->flush();
+    kState.fOutputAssembly.reset();
+
+    return kExitOK;
+  }
+};
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+#include <LibCompiler/Version.h>
+
+#define kPrintF printf
+#define kSplashCxx() kPrintF(kWhite "NE C Driver, %s, (c) Amlal El Mahrouss\n", kDistVersion)
+
+static void cc_print_help() {
+  kSplashCxx();
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+#define kExt ".c"
+
+LIBCOMPILER_MODULE(CompilerCLang64x0) {
+  ::signal(SIGSEGV, Detail::drvi_crash_handler);
+
+  kCompilerTypes.push_back({.fName = "void", .fValue = "void"});
+  kCompilerTypes.push_back({.fName = "char", .fValue = "byte"});
+  kCompilerTypes.push_back({.fName = "short", .fValue = "hword"});
+  kCompilerTypes.push_back({.fName = "int", .fValue = "dword"});
+  kCompilerTypes.push_back({.fName = "long", .fValue = "qword"});
+  kCompilerTypes.push_back({.fName = "*", .fValue = "offset"});
+
+  bool skip = false;
+
+  kFactory.Mount(new AssemblyCCInterface());
+  kMachine          = LibCompiler::AssemblyFactory::kArch64x0;
+  kCompilerFrontend = new CompilerFrontend64x0();
+
+  for (auto index = 1UL; index < argc; ++index) {
+    if (skip) {
+      skip = false;
+      continue;
+    }
+
+    if (argv[index][0] == '-') {
+      if (strcmp(argv[index], "--v") == 0 || strcmp(argv[index], "--version") == 0) {
+        kSplashCxx();
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "--verbose") == 0) {
+        kState.fVerbose = true;
+
+        continue;
+      }
+
+      if (strcmp(argv[index], "--h") == 0 || strcmp(argv[index], "--help") == 0) {
+        cc_print_help();
+
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "--dialect") == 0) {
+        if (kCompilerFrontend) std::cout << kCompilerFrontend->Language() << "\n";
+
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "--fmax-exceptions") == 0) {
+        try {
+          kErrorLimit = std::strtol(argv[index + 1], nullptr, 10);
+        }
+        // catch anything here
+        catch (...) {
+          kErrorLimit = 0;
+        }
+
+        skip = true;
+
+        continue;
+      }
+
+      std::string err = "Unknown command: ";
+      err += argv[index];
+
+      Detail::print_error(err, "cc");
+
+      continue;
+    }
+
+    kFileList.emplace_back(argv[index]);
+
+    std::string srcFile = argv[index];
+
+    if (strstr(argv[index], kExt) == nullptr) {
+      if (kState.fVerbose) {
+        Detail::print_error(srcFile + " is not a valid C source.\n", "cc");
+      }
+
+      return 1;
+    }
+
+    if (kFactory.Compile(srcFile, kMachine) != kExitOK) return 1;
+  }
+
+  return kExitOK;
+}
+
+// Last rev 8-1-24
diff --git a/dev/LibCompiler/src/Frontend/CCompilerARM64.cc b/dev/LibCompiler/src/Frontend/CCompilerARM64.cc
new file mode 100644
index 0000000..a169e52
--- /dev/null
+++ b/dev/LibCompiler/src/Frontend/CCompilerARM64.cc
@@ -0,0 +1,1284 @@
+/*
+ *	========================================================
+ *
+ *	cc
+ * 	Copyright (C) 2024-2025 Amlal El Mahrouss, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+/// BUGS: 0
+/// TODO: none
+
+#include <LibCompiler/Backend/Aarch64.h>
+#include <LibCompiler/Frontend.h>
+#include <LibCompiler/UUID.h>
+#include <LibCompiler/Util/CompilerUtils.h>
+#include <cstdio>
+#include <fstream>
+#include <iostream>
+#include <memory>
+#include <random>
+#include <string>
+#include <utility>
+#include <vector>
+
+/* C driver */
+/* This is part of the LibCompiler. */
+/* (c) Amlal El Mahrouss */
+
+/// @author EL Mahrouss Amlal (amlel)
+/// @file ARM64-cc.cxx
+/// @brief ARM64 C Compiler.
+
+/// TODO: support structures, else if, else, . and  ->
+
+/////////////////////
+
+// ANSI ESCAPE CODES
+
+/////////////////////
+
+#define kExitOK (0)
+
+#define kBlank "\e[0;30m"
+#define kRed "\e[0;31m"
+#define kWhite "\e[0;97m"
+
+/////////////////////////////////////
+
+// INTERNAL STUFF OF THE C COMPILER
+
+/////////////////////////////////////
+
+namespace Detail {
+// \brief Register map structure, used to keep track of each variable's registers.
+struct CompilerRegisterMap final {
+  std::string fName;
+  std::string fReg;
+};
+
+// \brief Map for C structs
+// \author amlel
+struct CompilerStructMap final {
+  // 'my_foo'
+  std::string fName;
+
+  // if instance: stores a valid register.
+  std::string fReg;
+
+  // offset count
+  std::size_t fOffsetsCnt;
+
+  // offset array.
+  std::vector<std::pair<Int32, std::string>> fOffsets;
+};
+
+struct CompilerState final {
+  std::vector<LibCompiler::SyntaxLeafList> fSyntaxTreeList;
+  std::vector<CompilerRegisterMap>         kStackFrame;
+  std::vector<CompilerStructMap>           kStructMap;
+  LibCompiler::SyntaxLeafList*             fSyntaxTree{nullptr};
+  std::unique_ptr<std::ofstream>           fOutputAssembly;
+  std::string                              fLastFile;
+  std::string                              fLastError;
+  bool                                     fVerbose;
+};
+}  // namespace Detail
+
+static Detail::CompilerState kState;
+static std::string           kIfFunction = "";
+
+namespace Detail {
+/// @brief prints an error into stdout.
+/// @param reason the reason of the error.
+/// @param file where does it originate from?
+void print_error(std::string reason, std::string file) noexcept;
+
+struct CompilerType final {
+  std::string fName;
+  std::string fValue;
+};
+}  // namespace Detail
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+// Target architecture.
+static int kMachine = 0;
+
+/////////////////////////////////////////
+
+// REGISTERS ACCORDING TO USED ASSEMBLER
+
+/////////////////////////////////////////
+
+static size_t      kRegisterCnt     = kAsmRegisterLimit;
+static size_t      kStartUsable     = 8;
+static size_t      kUsableLimit     = 15;
+static size_t      kRegisterCounter = kStartUsable;
+static std::string kRegisterPrefix  = kAsmRegisterPrefix;
+
+/////////////////////////////////////////
+
+// COMPILER PARSING UTILITIES/STATES.
+
+/////////////////////////////////////////
+
+static std::vector<std::string>     kFileList;
+static LibCompiler::AssemblyFactory kFactory;
+static bool                         kInStruct    = false;
+static bool                         kOnWhileLoop = false;
+static bool                         kOnForLoop   = false;
+static bool                         kInBraces    = false;
+static bool                         kIfFound     = false;
+static size_t                       kBracesCount = 0UL;
+
+/* @brief C compiler backend for C */
+class CompilerFrontendARM64 final : public LibCompiler::CompilerFrontendInterface {
+ public:
+  explicit CompilerFrontendARM64()  = default;
+  ~CompilerFrontendARM64() override = default;
+
+  LIBCOMPILER_COPY_DEFAULT(CompilerFrontendARM64);
+
+  std::string Check(const char* text, const char* file);
+  LibCompiler::SyntaxLeafList::SyntaxLeaf        Compile(std::string text, std::string file) override;
+
+  const char* Language() override { return "64k C"; }
+};
+
+static CompilerFrontendARM64*            kCompilerFrontend = nullptr;
+static std::vector<Detail::CompilerType> kCompilerVariables;
+static std::vector<std::string>          kCompilerFunctions;
+static std::vector<Detail::CompilerType> kCompilerTypes;
+
+namespace Detail {
+union number_cast final {
+ public:
+  number_cast(UInt64 _Raw) : _Raw(_Raw) {}
+
+ public:
+  char   _Num[8];
+  UInt64 _Raw;
+};
+
+union double_cast final {
+ public:
+  double_cast(float _Raw) : _Raw(_Raw) {}
+
+ public:
+  char _Sign;
+  char _Lh[8];
+  char _Rh[23];
+
+  float _Raw;
+};
+}  // namespace Detail
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+// @name Compile
+// @brief Generate MASM from a C assignement.
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+LibCompiler::SyntaxLeafList::SyntaxLeaf CompilerFrontendARM64::Compile(std::string text, std::string file) {
+  bool typeFound = false;
+  bool fnFound   = false;
+
+  // setup generator.
+  std::random_device rd;
+
+  auto seed_data = std::array<int, std::mt19937::state_size>{};
+  std::generate(std::begin(seed_data), std::end(seed_data), std::ref(rd));
+  std::seed_seq seq(std::begin(seed_data), std::end(seed_data));
+  std::mt19937  generator(seq);
+
+  // start parsing
+  for (size_t text_index = 0; text_index < text.size(); ++text_index) {
+    auto syntaxLeaf = LibCompiler::SyntaxLeafList::SyntaxLeaf();
+
+    auto        gen = uuids::uuid_random_generator{generator};
+    uuids::uuid out = gen();
+
+    Detail::number_cast time_off = (UInt64) out.as_bytes().data();
+
+    if (!typeFound) {
+      auto        substr = text.substr(text_index);
+      std::string match_type;
+
+      for (size_t y = 0; y < substr.size(); ++y) {
+        if (substr[y] == ' ') {
+          while (match_type.find(' ') != std::string::npos) {
+            match_type.erase(match_type.find(' '));
+          }
+
+          for (auto& clType : kCompilerTypes) {
+            if (clType.fName == match_type) {
+              match_type.clear();
+
+              std::string buf;
+
+              buf += clType.fValue;
+              buf += ' ';
+
+              if (substr.find('=') != std::string::npos) {
+                break;
+              }
+
+              if (text.find('(') != std::string::npos) {
+                syntaxLeaf.fUserValue = buf;
+
+                kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+              }
+
+              typeFound = true;
+              break;
+            }
+          }
+
+          break;
+        }
+
+        match_type += substr[y];
+      }
+    }
+
+    if (text[text_index] == '{') {
+      if (kInStruct) {
+        continue;
+      }
+
+      kInBraces = true;
+      ++kBracesCount;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+    }
+
+    // return keyword handler
+    if (text[text_index] == 'r') {
+      std::string return_keyword;
+      return_keyword += "return";
+
+      std::size_t index = 0UL;
+
+      std::string value;
+
+      for (size_t return_index = text_index; return_index < text.size(); ++return_index) {
+        if (text[return_index] != return_keyword[index]) {
+          for (size_t value_index = return_index; value_index < text.size(); ++value_index) {
+            if (text[value_index] == ';') break;
+
+            value += text[value_index];
+          }
+
+          break;
+        }
+
+        ++index;
+      }
+
+      if (index == return_keyword.size()) {
+        if (!value.empty()) {
+          if (value.find('(') != std::string::npos) {
+            value.erase(value.find('('));
+          }
+
+          if (!isdigit(value[value.find('(') + 2])) {
+            std::string tmp        = value;
+            bool        reg_to_reg = false;
+
+            value.clear();
+
+            value += " extern_segment";
+            value += tmp;
+          }
+
+          syntaxLeaf.fUserValue = "\tldw r19, ";
+
+          // make it pretty.
+          if (value.find('\t') != std::string::npos) value.erase(value.find('\t'), 1);
+
+          syntaxLeaf.fUserValue += value + "\n";
+        }
+
+        syntaxLeaf.fUserValue += "\tjlr";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+        break;
+      }
+    }
+
+    if (text[text_index] == 'i' && text[text_index + 1] == 'f') {
+      auto expr = text.substr(text_index + 2);
+      text.erase(text_index, 2);
+
+      if (expr.find("{") != std::string::npos) {
+        expr.erase(expr.find("{"));
+      }
+
+      if (expr.find("(") != std::string::npos) expr.erase(expr.find("("));
+
+      if (expr.find(")") != std::string::npos) expr.erase(expr.find(")"));
+
+      kIfFunction = "__LIBCOMPILER_IF_PROC_";
+      kIfFunction += std::to_string(time_off._Raw);
+
+      syntaxLeaf.fUserValue = "\tlda r12, extern_segment ";
+      syntaxLeaf.fUserValue += kIfFunction +
+                               "\n\t#r12 = Code to jump on, r11 right cond, r10 left cond.\n\tbeq "
+                               "r10, r11, r12\ndword public_segment .code64 " +
+                               kIfFunction + "\n";
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+      kIfFound = true;
+    }
+
+    // Parse expressions and instructions here.
+    // what does this mean?
+    // we encounter an assignment, or we reached the end of an expression.
+    if (text[text_index] == '=' || text[text_index] == ';') {
+      if (fnFound) continue;
+      if (kIfFound) continue;
+
+      if (text[text_index] == ';' && kInStruct) continue;
+
+      if (text.find("typedef ") != std::string::npos) continue;
+
+      if (text[text_index] == '=' && kInStruct) {
+        Detail::print_error("assignement of value in struct " + text, file);
+        continue;
+      }
+
+      if (text[text_index] == ';' && kInStruct) {
+        bool        space_found_ = false;
+        std::string sym;
+
+        for (auto& ch : text) {
+          if (ch == ' ') {
+            space_found_ = true;
+          }
+
+          if (ch == ';') break;
+
+          if (space_found_) sym.push_back(ch);
+        }
+
+        kState.kStructMap[kState.kStructMap.size() - 1].fOffsets.push_back(
+            std::make_pair(kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt + 4, sym));
+
+        kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt =
+            kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt + 4;
+
+        continue;
+      }
+
+      if (text[text_index] == '=' && kInStruct) {
+        continue;
+      }
+
+      if (text[text_index + 1] == '=' || text[text_index - 1] == '!' ||
+          text[text_index - 1] == '<' || text[text_index - 1] == '>') {
+        continue;
+      }
+
+      std::string substr;
+
+      if (text.find('=') != std::string::npos && kInBraces && !kIfFound) {
+        if (text.find("*") != std::string::npos) {
+          if (text.find("=") > text.find("*"))
+            substr += "\tlda ";
+          else
+            substr += "\tldw ";
+        } else {
+          substr += "\tldw ";
+        }
+      } else if (text.find('=') != std::string::npos && !kInBraces) {
+        substr += "stw public_segment .data64 ";
+      }
+
+      int first_encountered = 0;
+
+      std::string str_name;
+
+      for (size_t text_index_2 = 0; text_index_2 < text.size(); ++text_index_2) {
+        if (text[text_index_2] == '\"') {
+          ++text_index_2;
+
+          // want to add this, so that the parser recognizes that this is a
+          // string.
+          substr += '"';
+
+          for (; text_index_2 < text.size(); ++text_index_2) {
+            if (text[text_index_2] == '\"') break;
+
+            substr += text[text_index_2];
+          }
+        }
+
+        if (text[text_index_2] == '{' || text[text_index_2] == '}') continue;
+
+        if (text[text_index_2] == ';') {
+          break;
+        }
+
+        if (text[text_index_2] == ' ' || text[text_index_2] == '\t') {
+          if (first_encountered != 2) {
+            if (text[text_index] != '=' &&
+                substr.find("public_segment .data64") == std::string::npos && !kInStruct)
+              substr += "public_segment .data64 ";
+          }
+
+          ++first_encountered;
+
+          continue;
+        }
+
+        if (text[text_index_2] == '=') {
+          if (!kInBraces) {
+            substr.replace(substr.find("public_segment .data64"), strlen("public_segment .data64"),
+                           "public_segment .zero64 ");
+          }
+
+          substr += ",";
+          continue;
+        }
+
+        substr += text[text_index_2];
+      }
+
+      for (auto& clType : kCompilerTypes) {
+        if (substr.find(clType.fName) != std::string::npos) {
+          if (substr.find(clType.fName) > substr.find('"')) continue;
+
+          substr.erase(substr.find(clType.fName), clType.fName.size());
+        } else if (substr.find(clType.fValue) != std::string::npos) {
+          if (substr.find(clType.fValue) > substr.find('"')) continue;
+
+          if (clType.fName == "const") continue;
+
+          substr.erase(substr.find(clType.fValue), clType.fValue.size());
+        }
+      }
+
+      if (substr.find("extern") != std::string::npos) {
+        substr.replace(substr.find("extern"), strlen("extern"), "extern_segment ");
+
+        if (substr.find("public_segment .data64") != std::string::npos)
+          substr.erase(substr.find("public_segment .data64"), strlen("public_segment .data64"));
+      }
+
+      auto var_to_find = std::find_if(
+          kCompilerVariables.cbegin(), kCompilerVariables.cend(),
+          [&](Detail::CompilerType type) { return type.fName.find(substr) != std::string::npos; });
+
+      if (kRegisterCounter == 5 || kRegisterCounter == 6) ++kRegisterCounter;
+
+      std::string reg = kAsmRegisterPrefix;
+      reg += std::to_string(kRegisterCounter);
+
+      if (var_to_find == kCompilerVariables.cend()) {
+        ++kRegisterCounter;
+
+        kState.kStackFrame.push_back({.fName = substr, .fReg = reg});
+        kCompilerVariables.push_back({.fName = substr});
+      }
+
+      syntaxLeaf.fUserValue += substr;
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+      if (text[text_index] == '=') break;
+    }
+
+    // function handler.
+
+    if (text[text_index] == '(' && !fnFound && !kIfFound) {
+      std::string substr;
+      std::string args_buffer;
+      std::string args;
+
+      bool type_crossed = false;
+
+      for (size_t idx = text.find('(') + 1; idx < text.size(); ++idx) {
+        if (text[idx] == ',') continue;
+
+        if (text[idx] == ' ') continue;
+
+        if (text[idx] == ')') break;
+      }
+
+      for (char substr_first_index : text) {
+        if (substr_first_index != ',')
+          args_buffer += substr_first_index;
+        else
+          args_buffer += '$';
+
+        if (substr_first_index == ';') {
+          args_buffer = args_buffer.erase(0, args_buffer.find('('));
+          args_buffer = args_buffer.erase(args_buffer.find(';'), 1);
+          args_buffer = args_buffer.erase(args_buffer.find(')'), 1);
+          args_buffer = args_buffer.erase(args_buffer.find('('), 1);
+
+          if (!args_buffer.empty()) args += "\tldw r6, ";
+
+          std::string register_type;
+          std::size_t index = 7UL;
+
+          while (args_buffer.find("$") != std::string::npos) {
+            register_type = kRegisterPrefix;
+            register_type += std::to_string(index);
+
+            ++index;
+
+            args_buffer.replace(args_buffer.find('$'), 1, "\n\tldw " + register_type + ",");
+          }
+
+          args += args_buffer;
+          args += "\n\tlda r19, ";
+        }
+      }
+
+      for (char _text_i : text) {
+        if (_text_i == '\t' || _text_i == ' ') {
+          if (!type_crossed) {
+            substr.clear();
+            type_crossed = true;
+          }
+
+          continue;
+        }
+
+        if (_text_i == '(') break;
+
+        substr += _text_i;
+      }
+
+      if (kInBraces) {
+        syntaxLeaf.fUserValue = args;
+        syntaxLeaf.fUserValue += substr;
+        syntaxLeaf.fUserValue += "\n\tjrl\n";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+        fnFound = true;
+      } else {
+        syntaxLeaf.fUserValue.clear();
+
+        syntaxLeaf.fUserValue += "public_segment .code64 ";
+
+        syntaxLeaf.fUserValue += substr;
+        syntaxLeaf.fUserValue += "\n";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+        fnFound = true;
+      }
+
+      kCompilerFunctions.push_back(text);
+    }
+
+    if (text[text_index] == '-' && text[text_index + 1] == '-') {
+      text = text.replace(text.find("--"), strlen("--"), "");
+
+      for (int _text_i = 0; _text_i < text.size(); ++_text_i) {
+        if (text[_text_i] == '\t' || text[_text_i] == ' ') text.erase(_text_i, 1);
+      }
+
+      syntaxLeaf.fUserValue += "sub ";
+      syntaxLeaf.fUserValue += text;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+      break;
+    }
+
+    if (text[text_index] == '}') {
+      kRegisterCounter = kStartUsable;
+
+      --kBracesCount;
+
+      if (kBracesCount < 1) {
+        kInBraces    = false;
+        kBracesCount = 0;
+      }
+
+      if (kIfFound) kIfFound = false;
+
+      if (kInStruct) kInStruct = false;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+    }
+
+    syntaxLeaf.fUserValue.clear();
+  }
+
+  auto syntaxLeaf       = LibCompiler::SyntaxLeafList::SyntaxLeaf();
+  syntaxLeaf.fUserValue = "\n";
+  kState.fSyntaxTree->fLeafList.push_back(syntaxLeaf);
+
+  return syntaxLeaf;
+}
+
+static bool        kShouldHaveBraces = false;
+static std::string kFnName;
+
+std::string CompilerFrontendARM64::Check(const char* text, const char* file) {
+  std::string err_str;
+  std::string ln = text;
+
+  if (ln.empty()) {
+    return err_str;
+  }
+
+  bool non_ascii_found = false;
+
+  for (int i = 0; i < ln.size(); ++i) {
+    if (isalnum(ln[i])) {
+      non_ascii_found = true;
+      break;
+    }
+  }
+
+  if (kShouldHaveBraces && ln.find('{') != std::string::npos) {
+    kShouldHaveBraces = false;
+  }
+
+  if (!non_ascii_found) return err_str;
+
+  size_t string_index = 1UL;
+
+  if (ln.find('\'') != std::string::npos) {
+    string_index = ln.find('\'') + 1;
+
+    for (; string_index < ln.size(); ++string_index) {
+      if (ln[string_index] == '\'') {
+        if (ln[string_index + 1] != ';') {
+          ln.erase(string_index, 1);
+        }
+
+        return err_str;
+      }
+    }
+  } else if (ln.find('"') != std::string::npos) {
+    string_index = ln.find('"') + 1;
+
+    for (; string_index < ln.size(); ++string_index) {
+      if (ln[string_index] == '"') {
+        if (ln[string_index + 1] != ';') {
+          ln.erase(string_index, 1);
+        } else {
+          break;
+        }
+      }
+    }
+  } else if (ln.find('"') == std::string::npos && ln.find('\'') == std::string::npos) {
+    std::vector<std::string> forbidden_words;
+
+    forbidden_words.push_back("\\");
+    forbidden_words.push_back("?");
+    forbidden_words.push_back("@");
+    forbidden_words.push_back("~");
+    forbidden_words.push_back("::");
+    forbidden_words.push_back("--*");
+    forbidden_words.push_back("*/");
+
+    // add them to avoid stupid mistakes.
+    forbidden_words.push_back("namespace");
+    forbidden_words.push_back("class");
+    forbidden_words.push_back("extern \"C\"");
+
+    for (auto& forbidden : forbidden_words) {
+      if (ln.find(forbidden) != std::string::npos) {
+        err_str += "\nForbidden character detected: ";
+        err_str += forbidden;
+
+        return err_str;
+      }
+    }
+  }
+
+  struct CompilerVariableRange final {
+    std::string fBegin;
+    std::string fEnd;
+  };
+
+  const std::vector<CompilerVariableRange> variables_list = {
+      {.fBegin = "static ", .fEnd = "="}, {.fBegin = "=", .fEnd = ";"},
+      {.fBegin = "if(", .fEnd = "="},     {.fBegin = "if (", .fEnd = "="},
+      {.fBegin = "if(", .fEnd = "<"},     {.fBegin = "if (", .fEnd = "<"},
+      {.fBegin = "if(", .fEnd = ">"},     {.fBegin = "if (", .fEnd = ">"},
+      {.fBegin = "if(", .fEnd = ")"},     {.fBegin = "if (", .fEnd = ")"},
+
+      {.fBegin = "else(", .fEnd = "="},   {.fBegin = "else (", .fEnd = "="},
+      {.fBegin = "else(", .fEnd = "<"},   {.fBegin = "else (", .fEnd = "<"},
+      {.fBegin = "else(", .fEnd = ">"},   {.fBegin = "else (", .fEnd = ">"},
+      {.fBegin = "else(", .fEnd = ")"},   {.fBegin = "else (", .fEnd = ")"},
+  };
+
+  for (auto& variable : variables_list) {
+    if (ln.find(variable.fBegin) != std::string::npos) {
+      string_index = ln.find(variable.fBegin) + variable.fBegin.size();
+
+      while (ln[string_index] == ' ') ++string_index;
+
+      std::string keyword;
+
+      for (; string_index < ln.size(); ++string_index) {
+        if (ln[string_index] == variable.fEnd[0]) {
+          std::string varname = "";
+
+          for (size_t index_keyword = ln.find(' '); ln[index_keyword] != variable.fBegin[0];
+               ++index_keyword) {
+            if (ln[index_keyword] == ' ') {
+              continue;
+            }
+
+            if (isdigit(ln[index_keyword])) {
+              goto cc_next_loop;
+            }
+
+            varname += ln[index_keyword];
+          }
+
+          if (varname.find(' ') != std::string::npos) {
+            varname.erase(0, varname.find(' '));
+
+            if (variable.fBegin == "extern") {
+              varname.erase(0, varname.find(' '));
+            }
+          }
+
+          if (kRegisterCounter == 5 || kRegisterCounter == 6) ++kRegisterCounter;
+
+          std::string reg = kAsmRegisterPrefix;
+          reg += std::to_string(kRegisterCounter);
+
+          kCompilerVariables.push_back({.fValue = varname});
+          goto cc_check_done;
+        }
+
+        keyword.push_back(ln[string_index]);
+      }
+
+      goto cc_next_loop;
+
+    cc_check_done:
+
+      // skip digit value.
+      if (isdigit(keyword[0]) || keyword[0] == '"') {
+        goto cc_next_loop;
+      }
+
+      while (keyword.find(' ') != std::string::npos) keyword.erase(keyword.find(' '), 1);
+
+      for (auto& var : kCompilerVariables) {
+        if (var.fValue.find(keyword) != std::string::npos) {
+          err_str.clear();
+          goto cc_next;
+        }
+      }
+
+      for (auto& fn : kCompilerFunctions) {
+        if (fn.find(keyword[0]) != std::string::npos) {
+          auto where_begin   = fn.find(keyword[0]);
+          auto keyword_begin = 0UL;
+          auto failed        = false;
+
+          for (; where_begin < keyword.size(); ++where_begin) {
+            if (fn[where_begin] == '(' && keyword[keyword_begin] == '(') break;
+
+            if (fn[where_begin] != keyword[keyword_begin]) {
+              failed = true;
+              break;
+            }
+
+            ++keyword_begin;
+          }
+
+          if (!failed) {
+            err_str.clear();
+            goto cc_next;
+          } else {
+            continue;
+          }
+        }
+      }
+
+    cc_error_value:
+      if (keyword.find("->") != std::string::npos) return err_str;
+
+      if (keyword.find(".") != std::string::npos) return err_str;
+
+      if (isalnum(keyword[0])) err_str += "\nUndefined value: " + keyword;
+
+      return err_str;
+    }
+
+  cc_next_loop:
+    continue;
+  }
+
+cc_next:
+
+  // extern does not declare anything, it extern_segments a variable.
+  // so that's why it's not declare upper.
+  if (LibCompiler::find_word(ln, "extern")) {
+    auto substr = ln.substr(ln.find("extern") + strlen("extern"));
+    kCompilerVariables.push_back({.fValue = substr});
+  }
+
+  if (kShouldHaveBraces && ln.find('{') == std::string::npos) {
+    err_str += "Missing '{' for function ";
+    err_str += kFnName;
+    err_str += "\n";
+
+    kShouldHaveBraces = false;
+    kFnName.clear();
+  } else if (kShouldHaveBraces && ln.find('{') != std::string::npos) {
+    kShouldHaveBraces = false;
+    kFnName.clear();
+  }
+
+  bool type_not_found = true;
+
+  if (ln.find('\'') != std::string::npos) {
+    ln.replace(ln.find('\''), 3, "0");
+  }
+
+  auto first = ln.find('"');
+  if (first != std::string::npos) {
+    auto second             = 0UL;
+    bool found_second_quote = false;
+
+    for (size_t i = first + 1; i < ln.size(); ++i) {
+      if (ln[i] == '\"') {
+        found_second_quote = true;
+        second             = i;
+
+        break;
+      }
+    }
+
+    if (!found_second_quote) {
+      err_str += "Missing terminating \".";
+      err_str += " here -> " + ln.substr(ln.find('"'), second);
+    }
+  }
+
+  if (ln.find(')') != std::string::npos && ln.find(';') == std::string::npos) {
+    if (ln.find('{') == std::string::npos) {
+      kFnName           = ln;
+      kShouldHaveBraces = true;
+
+      goto skip_braces_check;
+    } else if (ln.find('{') != std::string::npos) {
+      kShouldHaveBraces = false;
+    }
+  }
+
+skip_braces_check:
+
+  for (auto& key : kCompilerTypes) {
+    if (LibCompiler::find_word(ln, key.fName)) {
+      if (isdigit(ln[ln.find(key.fName) + key.fName.size() + 1])) {
+        err_str += "\nNumber cannot be set for ";
+        err_str += key.fName;
+        err_str += "'s name. here -> ";
+        err_str += ln;
+      }
+
+      if (ln.find(key.fName) == 0 || ln[ln.find(key.fName) - 1] == ' ' ||
+          ln[ln.find(key.fName) - 1] == '\t') {
+        type_not_found = false;
+
+        if (ln[ln.find(key.fName) + key.fName.size()] != ' ') {
+          type_not_found = true;
+
+          if (ln[ln.find(key.fName) + key.fName.size()] == '\t') type_not_found = false;
+
+          goto next;
+        } else if (ln[ln.find(key.fName) + key.fName.size()] != '\t') {
+          type_not_found = true;
+
+          if (ln[ln.find(key.fName) + key.fName.size()] == ' ') type_not_found = false;
+        }
+      }
+
+    next:
+
+      if (ln.find(';') == std::string::npos) {
+        if (ln.find('(') != std::string::npos) {
+          if (ln.find('=') == std::string::npos) continue;
+        }
+
+        err_str += "\nMissing ';', here -> ";
+        err_str += ln;
+      } else {
+        continue;
+      }
+
+      if (ln.find('=') != std::string::npos) {
+        if (ln.find('(') != std::string::npos) {
+          if (ln.find(')') == std::string::npos) {
+            err_str += "\nMissing ')', after '(' here -> ";
+            err_str += ln.substr(ln.find('('));
+          }
+        }
+      }
+    }
+  }
+
+  if (kInBraces && ln.find("struct") != std::string::npos &&
+      ln.find("union") != std::string::npos && ln.find("enum") != std::string::npos &&
+      ln.find('=') != std::string::npos) {
+    if (ln.find(';') == std::string::npos) {
+      err_str += "\nMissing ';' after struct/union/enum declaration, here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (ln.find(';') != std::string::npos && ln.find("for") == std::string::npos) {
+    if (ln.find(';') + 1 != ln.size()) {
+      for (int i = 0; i < ln.substr(ln.find(';') + 1).size(); ++i) {
+        if ((ln.substr(ln.find(';') + 1)[i] != ' ') || (ln.substr(ln.find(';') + 1)[i] != '\t')) {
+          if (auto err = this->Check(ln.substr(ln.find(';') + 1).c_str(), file); !err.empty()) {
+            err_str += "\nUnexpected text after ';' -> ";
+            err_str += ln.substr(ln.find(';'));
+            err_str += err;
+          }
+        }
+      }
+    }
+  }
+
+  if (ln.find('(') != std::string::npos) {
+    if (ln.find(';') == std::string::npos && !LibCompiler::find_word(ln, "|") &&
+        !LibCompiler::find_word(ln, "||") && !LibCompiler::find_word(ln, "&") &&
+        !LibCompiler::find_word(ln, "&&") && !LibCompiler::find_word(ln, "~")) {
+      bool              found_func = false;
+      size_t            i          = ln.find('(');
+      std::vector<char> opens;
+      std::vector<char> closes;
+
+      for (; i < ln.size(); ++i) {
+        if (ln[i] == ')') {
+          closes.push_back(1);
+        }
+
+        if (ln[i] == '(') {
+          opens.push_back(1);
+        }
+      }
+
+      if (closes.size() != opens.size()) err_str += "Unterminated (), here -> " + ln;
+
+      bool space_found = false;
+
+      for (int i = 0; i < ln.size(); ++i) {
+        if (ln[i] == ')' && !space_found) {
+          space_found = true;
+          continue;
+        }
+
+        if (space_found) {
+          if (ln[i] == ' ' && isalnum(ln[i + 1])) {
+            err_str += "\nBad function format here -> ";
+            err_str += ln;
+          }
+        }
+      }
+    }
+
+    if (ln.find('(') < 1) {
+      err_str += "\nMissing identifier before '(' here -> ";
+      err_str += ln;
+    } else {
+      if (type_not_found && ln.find(';') == std::string::npos &&
+          ln.find("if") == std::string::npos && ln.find("|") == std::string::npos &&
+          ln.find("&") == std::string::npos && ln.find("(") == std::string::npos &&
+          ln.find(")") == std::string::npos) {
+        err_str += "\n Missing ';' or type, here -> ";
+        err_str += ln;
+      }
+    }
+
+    if (ln.find(')') == std::string::npos) {
+      err_str += "\nMissing ')', after '(' here -> ";
+      err_str += ln.substr(ln.find('('));
+    }
+  } else {
+    if (ln.find("for") != std::string::npos || ln.find("while") != std::string::npos) {
+      err_str += "\nMissing '(', after \"for\", here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (ln.find('}') != std::string::npos && !kInBraces) {
+    if (!kInStruct && ln.find(';') == std::string::npos) {
+      err_str += "\nMismatched '}', here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (!ln.empty()) {
+    if (ln.find(';') == std::string::npos && ln.find('{') == std::string::npos &&
+        ln.find('}') == std::string::npos && ln.find(')') == std::string::npos &&
+        ln.find('(') == std::string::npos && ln.find(',') == std::string::npos) {
+      if (ln.size() <= 2) return err_str;
+
+      err_str += "\nMissing ';', here -> ";
+      err_str += ln;
+    }
+  }
+
+  return err_str;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * @brief C To Assembly mount-point.
+ */
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+class AssemblyCCInterface final LC_ASSEMBLY_INTERFACE {
+ public:
+  explicit AssemblyCCInterface()  = default;
+  ~AssemblyCCInterface() override = default;
+
+  LIBCOMPILER_COPY_DEFAULT(AssemblyCCInterface);
+
+  UInt32 Arch() noexcept override { return LibCompiler::AssemblyFactory::kArchAARCH64; }
+
+  Int32 CompileToFormat(std::string src, Int32 arch) override {
+    if (kCompilerFrontend == nullptr) return 1;
+
+    /* @brief copy contents wihtout extension */
+    std::string   src_file = src.data();
+    std::ifstream src_fp   = std::ifstream(src_file, std::ios::in);
+    std::string   dest;
+
+    for (auto& ch : src_file) {
+      if (ch == '.') {
+        break;
+      }
+
+      dest += ch;
+    }
+
+    /* According to PEF ABI. */
+    std::vector<const char*> exts = kAsmFileExts;
+    dest += exts[4];
+
+    kState.fOutputAssembly = std::make_unique<std::ofstream>(dest);
+
+    auto fmt = LibCompiler::current_date();
+
+    (*kState.fOutputAssembly) << "# Path: " << src_file << "\n";
+    (*kState.fOutputAssembly) << "# Language: ARM64 Assembly (Generated from ANSI C)\n";
+    (*kState.fOutputAssembly) << "# Date: " << fmt << "\n\n";
+
+    LibCompiler::SyntaxLeafList syntax;
+
+    kState.fSyntaxTreeList.push_back(syntax);
+    kState.fSyntaxTree = &kState.fSyntaxTreeList[kState.fSyntaxTreeList.size() - 1];
+
+    std::string line_src;
+
+    while (std::getline(src_fp, line_src)) {
+      if (auto err = kCompilerFrontend->Check(line_src.c_str(), src.data()); err.empty()) {
+        kCompilerFrontend->Compile(line_src, src.data());
+      } else {
+        Detail::print_error(err, src.data());
+      }
+    }
+
+    if (kAcceptableErrors > 0) return 1;
+
+    std::vector<std::string> keywords = {"ldw", "stw", "lda", "sta", "add", "sub", "mv"};
+
+    ///
+    /// Replace, optimize, fix assembly output.
+    ///
+
+    for (auto& leaf : kState.fSyntaxTree->fLeafList) {
+      std::vector<std::string> access_keywords = {"->", "."};
+
+      for (auto& access_ident : access_keywords) {
+        if (LibCompiler::find_word(leaf.fUserValue, access_ident)) {
+          for (auto& struc : kState.kStructMap) {
+            /// TODO:
+          }
+        }
+      }
+
+      for (auto& keyword : keywords) {
+        if (LibCompiler::find_word(leaf.fUserValue, keyword)) {
+          std::size_t cnt = 0UL;
+
+          for (auto& reg : kState.kStackFrame) {
+            std::string needle;
+
+            for (size_t i = 0; i < reg.fName.size(); i++) {
+              if (reg.fName[i] == ' ') {
+                ++i;
+
+                for (; i < reg.fName.size(); i++) {
+                  if (reg.fName[i] == ',') {
+                    break;
+                  }
+
+                  if (reg.fName[i] == ' ') continue;
+
+                  needle += reg.fName[i];
+                }
+
+                break;
+              }
+            }
+
+            if (LibCompiler::find_word(leaf.fUserValue, needle)) {
+              if (leaf.fUserValue.find("extern_segment " + needle) != std::string::npos) {
+                std::string range = "extern_segment " + needle;
+                leaf.fUserValue.replace(leaf.fUserValue.find("extern_segment " + needle),
+                                        range.size(), needle);
+              }
+
+              if (leaf.fUserValue.find("ldw r6") != std::string::npos) {
+                std::string::difference_type countComma =
+                    std::count(leaf.fUserValue.begin(), leaf.fUserValue.end(), ',');
+
+                if (countComma == 1) {
+                  leaf.fUserValue.replace(leaf.fUserValue.find("ldw"), strlen("ldw"), "mv");
+                }
+              }
+
+              leaf.fUserValue.replace(leaf.fUserValue.find(needle), needle.size(), reg.fReg);
+
+              ++cnt;
+            }
+          }
+
+          if (cnt > 1 && keyword != "mv" && keyword != "add" && keyword != "sub") {
+            leaf.fUserValue.replace(leaf.fUserValue.find(keyword), keyword.size(), "mv");
+          }
+        }
+      }
+    }
+
+    for (auto& leaf : kState.fSyntaxTree->fLeafList) {
+      (*kState.fOutputAssembly) << leaf.fUserValue;
+    }
+
+    kState.fSyntaxTree = nullptr;
+
+    kState.fOutputAssembly->flush();
+    kState.fOutputAssembly.reset();
+
+    return kExitOK;
+  }
+};
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+#include <LibCompiler/Version.h>
+
+#define kPrintF printf
+#define kSplashCxx() kPrintF(kWhite "NE C Driver, %s, (c) Amlal El Mahrouss\n", kDistVersion)
+
+static void cc_print_help() {
+  kSplashCxx();
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+#define kCExtension ".c"
+
+LIBCOMPILER_MODULE(CompilerCLangARM64) {
+  ::signal(SIGSEGV, Detail::drvi_crash_handler);
+
+  kCompilerTypes.push_back({.fName = "void", .fValue = "void"});
+  kCompilerTypes.push_back({.fName = "char", .fValue = "byte"});
+  kCompilerTypes.push_back({.fName = "short", .fValue = "hword"});
+  kCompilerTypes.push_back({.fName = "int", .fValue = "dword"});
+  kCompilerTypes.push_back({.fName = "long", .fValue = "qword"});
+  kCompilerTypes.push_back({.fName = "*", .fValue = "offset"});
+
+  bool skip = false;
+
+  kFactory.Mount(new AssemblyCCInterface());
+  kMachine          = LibCompiler::AssemblyFactory::kArchAARCH64;
+  kCompilerFrontend = new CompilerFrontendARM64();
+
+  for (auto index = 1UL; index < argc; ++index) {
+    if (skip) {
+      skip = false;
+      continue;
+    }
+
+    if (argv[index][0] == '-') {
+      if (strcmp(argv[index], "--v") == 0 || strcmp(argv[index], "--version") == 0) {
+        kSplashCxx();
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "--verbose") == 0) {
+        kState.fVerbose = true;
+
+        continue;
+      }
+
+      if (strcmp(argv[index], "--h") == 0 || strcmp(argv[index], "--help") == 0) {
+        cc_print_help();
+
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "--dialect") == 0) {
+        if (kCompilerFrontend) std::cout << kCompilerFrontend->Language() << "\n";
+
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "--fmax-exceptions") == 0) {
+        try {
+          kErrorLimit = std::strtol(argv[index + 1], nullptr, 10);
+        }
+        // catch anything here
+        catch (...) {
+          kErrorLimit = 0;
+        }
+
+        skip = true;
+
+        continue;
+      }
+
+      std::string err = "Unknown command: ";
+      err += argv[index];
+
+      Detail::print_error(err, "cc");
+
+      continue;
+    }
+
+    kFileList.emplace_back(argv[index]);
+
+    std::string srcFile = argv[index];
+
+    if (strstr(argv[index], kCExtension) == nullptr) {
+      if (kState.fVerbose) {
+        Detail::print_error(srcFile + " is not a valid C source.\n", "cc");
+      }
+
+      return 1;
+    }
+
+    if (kFactory.Compile(srcFile, kMachine) != kExitOK) return 1;
+  }
+
+  return kExitOK;
+}
+
+// Last rev 8-1-24
diff --git a/dev/LibCompiler/src/Frontend/CCompilerPower64.cc b/dev/LibCompiler/src/Frontend/CCompilerPower64.cc
new file mode 100644
index 0000000..cd50dfa
--- /dev/null
+++ b/dev/LibCompiler/src/Frontend/CCompilerPower64.cc
@@ -0,0 +1,1303 @@
+/*
+ *	========================================================
+ *
+ *	CompilerPower64
+ * 	Copyright (C) 2024-2025 Amlal El Mahrouss, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#include <LibCompiler/Backend/PowerPC.h>
+#include <LibCompiler/Frontend.h>
+#include <LibCompiler/UUID.h>
+#include <LibCompiler/Util/CompilerUtils.h>
+#include <cstdio>
+#include <fstream>
+#include <iostream>
+#include <memory>
+#include <random>
+#include <string>
+#include <utility>
+#include <vector>
+
+#define kExitOK 0
+
+/// @author EL Mahrouss Amlal (amlal@nekernel.org)
+/// @file cc.cxx
+/// @brief POWER64 C Compiler.
+
+/////////////////////
+
+/// ANSI ESCAPE CODES
+
+/////////////////////
+
+#define kBlank "\e[0;30m"
+#define kRed "\e[0;31m"
+#define kWhite "\e[0;97m"
+
+/////////////////////////////////////
+
+/// INTERNAL STRUCTURES OF THE C COMPILER
+
+/////////////////////////////////////
+
+namespace Detail {
+// \brief name to register struct.
+struct CompilerRegisterMap final {
+  std::string fName;
+  std::string fReg;
+};
+
+// \brief Map for C structs
+// \author amlel
+struct CompilerStructMap final {
+  /// 'struct::my_foo'
+  std::string fName;
+
+  /// if instance: stores a valid register.
+  std::string fReg;
+
+  /// offset count
+  std::size_t fOffsetsCnt;
+
+  /// offset array.
+  std::vector<std::pair<Int32, std::string>> fOffsets;
+};
+
+struct CompilerState final {
+  std::vector<LibCompiler::SyntaxLeafList> fSyntaxTreeList;
+  std::vector<CompilerRegisterMap>         kStackFrame;
+  std::vector<CompilerStructMap>           kStructMap;
+  LibCompiler::SyntaxLeafList*             fSyntaxTree{nullptr};
+  std::unique_ptr<std::ofstream>           fOutputAssembly;
+  std::string                              fLastFile;
+  std::string                              fLastError;
+  bool                                     fVerbose;
+};
+}  // namespace Detail
+
+static Detail::CompilerState kState;
+static std::string           kIfFunction = "";
+
+namespace Detail {
+/// @brief prints an error into stdout.
+/// @param reason the reason of the error.
+/// @param file where does it originate from?
+void print_error(std::string reason, std::string file) noexcept;
+
+struct CompilerType final {
+  std::string fName;
+  std::string fValue;
+};
+}  // namespace Detail
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+// Target architecture.
+static int kMachine = 0;
+
+/////////////////////////////////////////
+
+// REGISTERS ACCORDING TO USED ASSEMBLER
+
+/////////////////////////////////////////
+
+static size_t      kRegisterCnt     = kAsmRegisterLimit;
+static size_t      kStartUsable     = 2;
+static size_t      kUsableLimit     = 15;
+static size_t      kRegisterCounter = kStartUsable;
+static std::string kRegisterPrefix  = kAsmRegisterPrefix;
+
+/////////////////////////////////////////
+
+// COMPILER PARSING UTILITIES/STATES.
+
+/////////////////////////////////////////
+
+static std::vector<std::string>     kFileList;
+static LibCompiler::AssemblyFactory kFactory;
+static bool                         kInStruct    = false;
+static bool                         kOnWhileLoop = false;
+static bool                         kOnForLoop   = false;
+static bool                         kInBraces    = false;
+static bool                         kIfFound     = false;
+static size_t                       kBracesCount = 0UL;
+
+/* @brief C compiler backend for C */
+class CompilerFrontendPower64 final : public LibCompiler::CompilerFrontendInterface {
+ public:
+  explicit CompilerFrontendPower64()  = default;
+  ~CompilerFrontendPower64() override = default;
+
+  LIBCOMPILER_COPY_DEFAULT(CompilerFrontendPower64);
+
+  std::string Check(const char* text, const char* file);
+  LibCompiler::SyntaxLeafList::SyntaxLeaf        Compile(std::string text, std::string file) override;
+
+  const char* Language() override { return "POWER C"; }
+};
+
+static CompilerFrontendPower64*          kCompilerFrontend = nullptr;
+static std::vector<Detail::CompilerType> kCompilerVariables;
+static std::vector<std::string>          kCompilerFunctions;
+static std::vector<Detail::CompilerType> kCompilerTypes;
+
+namespace Detail {
+union number_cast final {
+ public:
+  number_cast(UInt64 _Raw) : _Raw(_Raw) {}
+
+ public:
+  char   _Num[8];
+  UInt64 _Raw;
+};
+
+union double_cast final {
+ public:
+  double_cast(float _Raw) : _Raw(_Raw) {}
+
+ public:
+  char _Sign;
+  char _Lh[8];
+  char _Rh[23];
+
+  float _Raw;
+};
+}  // namespace Detail
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+// @name Compile
+// @brief Generate MASM from a C assignement.
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+LibCompiler::SyntaxLeafList::SyntaxLeaf CompilerFrontendPower64::Compile(std::string text_, std::string file) {
+  std::string text = text_;
+
+  bool typeFound = false;
+  bool fnFound   = false;
+
+  // setup generator.
+  std::random_device rd;
+
+  auto seed_data = std::array<int, std::mt19937::state_size>{};
+  std::generate(std::begin(seed_data), std::end(seed_data), std::ref(rd));
+  std::seed_seq seq(std::begin(seed_data), std::end(seed_data));
+  std::mt19937  generator(seq);
+
+  // start parsing
+  for (size_t text_index = 0; text_index < text.size(); ++text_index) {
+    auto syntax_leaf = LibCompiler::SyntaxLeafList::SyntaxLeaf();
+
+    auto        gen = uuids::uuid_random_generator{generator};
+    uuids::uuid out = gen();
+
+    Detail::number_cast time_off = (UInt64) out.as_bytes().data();
+
+    if (!typeFound) {
+      auto        substr = text.substr(text_index);
+      std::string match_type;
+
+      for (size_t y = 0; y < substr.size(); ++y) {
+        if (substr[y] == ' ') {
+          while (match_type.find(' ') != std::string::npos) {
+            match_type.erase(match_type.find(' '));
+          }
+
+          for (auto& clType : kCompilerTypes) {
+            if (clType.fName == match_type) {
+              match_type.clear();
+
+              std::string buf;
+
+              buf += clType.fValue;
+              buf += ' ';
+
+              if (substr.find('=') != std::string::npos) {
+                break;
+              }
+
+              if (text.find('(') != std::string::npos) {
+                syntax_leaf.fUserValue = buf;
+
+                kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+              }
+
+              typeFound = true;
+              break;
+            }
+          }
+
+          break;
+        }
+
+        match_type += substr[y];
+      }
+    }
+
+    if (text[text_index] == '{') {
+      if (kInStruct) {
+        continue;
+      }
+
+      kInBraces = true;
+      ++kBracesCount;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+    }
+
+    // return keyword handler
+    if (text[text_index] == 'r') {
+      std::string return_keyword;
+      return_keyword += "return";
+
+      std::size_t index = 0UL;
+
+      std::string value;
+
+      for (size_t return_index = text_index; return_index < text.size(); ++return_index) {
+        if (text[return_index] != return_keyword[index]) {
+          for (size_t value_index = return_index; value_index < text.size(); ++value_index) {
+            if (text[value_index] == ';') break;
+
+            value += text[value_index];
+          }
+
+          break;
+        }
+
+        ++index;
+      }
+
+      if (index == return_keyword.size()) {
+        if (!value.empty()) {
+          if (value.find('(') != std::string::npos) {
+            value.erase(value.find('('));
+          }
+
+          if (!isdigit(value[value.find('(') + 2])) {
+            std::string tmp        = value;
+            bool        reg_to_reg = false;
+
+            value.clear();
+
+            value += " extern_segment";
+            value += tmp;
+          }
+
+          syntax_leaf.fUserValue = "\tmr r31, ";
+
+          // make it pretty.
+          while (value.find('\t') != std::string::npos) value.erase(value.find('\t'), 1);
+
+          while (value.find(' ') != std::string::npos) value.erase(value.find(' '), 1);
+
+          while (value.find("extern_segment") != std::string::npos)
+            value.erase(value.find("extern_segment"), strlen("extern_segment"));
+
+          bool found = false;
+
+          for (auto& reg : kState.kStackFrame) {
+            if (value.find(reg.fName) != std::string::npos) {
+              found = true;
+              syntax_leaf.fUserValue += reg.fReg;
+              break;
+            }
+          }
+
+          if (!found) syntax_leaf.fUserValue += "r0";
+        }
+
+        syntax_leaf.fUserValue += "\n\tblr";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+
+        break;
+      }
+    }
+
+    if (text[text_index] == 'i' && text[text_index + 1] == 'f') {
+      auto expr = text.substr(text_index + 2);
+      text.erase(text_index, 2);
+
+      if (expr.find("{") != std::string::npos) {
+        expr.erase(expr.find("{"));
+      }
+
+      if (expr.find("(") != std::string::npos) expr.erase(expr.find("("));
+
+      if (expr.find(")") != std::string::npos) expr.erase(expr.find(")"));
+
+      kIfFunction = "__LIBCOMPILER_IF_PROC_";
+      kIfFunction += std::to_string(time_off._Raw);
+
+      syntax_leaf.fUserValue =
+          "\tcmpw "
+          "r10, r11";
+
+      syntax_leaf.fUserValue += "\n\tbeq extern_segment " + kIfFunction +
+                                " \ndword public_segment .code64 " + kIfFunction + "\n";
+
+      kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+
+      kIfFound = true;
+    }
+
+    // Parse expressions and instructions here.
+    // what does this mean?
+    // we encounter an assignment, or we reached the end of an expression.
+    if (text[text_index] == '=' || text[text_index] == ';') {
+      if (fnFound) continue;
+      if (kIfFound) continue;
+
+      if (text[text_index] == ';' && kInStruct) continue;
+
+      if (text.find("typedef ") != std::string::npos) continue;
+
+      if (text[text_index] == '=' && kInStruct) {
+        Detail::print_error("assignement of value inside a struct " + text, file);
+        continue;
+      }
+
+      if (text[text_index] == ';' && kInStruct) {
+        bool        space_found_ = false;
+        std::string sym;
+
+        for (auto& ch : text) {
+          if (ch == ' ') {
+            space_found_ = true;
+          }
+
+          if (ch == ';') break;
+
+          if (space_found_) sym.push_back(ch);
+        }
+
+        kState.kStructMap[kState.kStructMap.size() - 1].fOffsets.push_back(
+            std::make_pair(kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt + 4, sym));
+
+        kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt =
+            kState.kStructMap[kState.kStructMap.size() - 1].fOffsetsCnt + 4;
+
+        continue;
+      }
+
+      if (text[text_index] == '=' && kInStruct) {
+        continue;
+      }
+
+      if (text[text_index + 1] == '=' || text[text_index - 1] == '!' ||
+          text[text_index - 1] == '<' || text[text_index - 1] == '>') {
+        continue;
+      }
+
+      std::string substr;
+
+      if (text.find('=') != std::string::npos && kInBraces && !kIfFound) {
+        if (text.find("*") != std::string::npos) {
+          if (text.find("=") > text.find("*"))
+            substr += "\tli ";
+          else
+            substr += "\tli ";
+        } else {
+          substr += "\tli ";
+        }
+      } else if (text.find('=') != std::string::npos && !kInBraces) {
+        substr += "stw public_segment .data64 ";
+      }
+
+      int first_encountered = 0;
+
+      std::string str_name;
+
+      for (size_t text_index_2 = 0; text_index_2 < text.size(); ++text_index_2) {
+        if (text[text_index_2] == '\"') {
+          ++text_index_2;
+
+          // want to add this, so that the parser recognizes that this is a
+          // string.
+          substr += '"';
+
+          for (; text_index_2 < text.size(); ++text_index_2) {
+            if (text[text_index_2] == '\"') break;
+
+            substr += text[text_index_2];
+          }
+        }
+
+        if (text[text_index_2] == '{' || text[text_index_2] == '}') continue;
+
+        if (text[text_index_2] == ';') {
+          break;
+        }
+
+        if (text[text_index_2] == ' ' || text[text_index_2] == '\t') {
+          if (first_encountered != 2) {
+            if (text[text_index] != '=' &&
+                substr.find("public_segment .data64") == std::string::npos && !kInStruct)
+              substr += "public_segment .data64 ";
+          }
+
+          ++first_encountered;
+
+          continue;
+        }
+
+        if (text[text_index_2] == '=') {
+          if (!kInBraces) {
+            substr.replace(substr.find("public_segment .data64"), strlen("public_segment .data64"),
+                           "public_segment .zero64 ");
+          }
+
+          substr += ",";
+          continue;
+        }
+
+        substr += text[text_index_2];
+      }
+
+      for (auto& clType : kCompilerTypes) {
+        if (substr.find(clType.fName) != std::string::npos) {
+          if (substr.find(clType.fName) > substr.find('"')) continue;
+
+          substr.erase(substr.find(clType.fName), clType.fName.size());
+        } else if (substr.find(clType.fValue) != std::string::npos) {
+          if (substr.find(clType.fValue) > substr.find('"')) continue;
+
+          if (clType.fName == "const") continue;
+
+          substr.erase(substr.find(clType.fValue), clType.fValue.size());
+        }
+      }
+
+      if (substr.find("extern") != std::string::npos) {
+        substr.replace(substr.find("extern"), strlen("extern"), "extern_segment ");
+
+        if (substr.find("public_segment .data64") != std::string::npos)
+          substr.erase(substr.find("public_segment .data64"), strlen("public_segment .data64"));
+      }
+
+      auto var_to_find = std::find_if(
+          kCompilerVariables.cbegin(), kCompilerVariables.cend(),
+          [&](Detail::CompilerType type) { return type.fName.find(substr) != std::string::npos; });
+
+      kCompilerVariables.push_back({.fName = substr});
+
+      if (text[text_index] == ';') break;
+
+      std::string reg = kAsmRegisterPrefix;
+
+      ++kRegisterCounter;
+      reg += std::to_string(kRegisterCounter);
+
+      auto newSubstr = substr.substr(substr.find(" "));
+
+      std::string symbol;
+
+      for (size_t start = 0; start < newSubstr.size(); ++start) {
+        if (newSubstr[start] == ',') break;
+
+        if (newSubstr[start] == ' ') continue;
+
+        symbol += (newSubstr[start]);
+      }
+
+      kState.kStackFrame.push_back({.fName = symbol, .fReg = reg});
+
+      syntax_leaf.fUserValue += "\n\tli " + reg + substr.substr(substr.find(','));
+      kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+    }
+
+    // function handler.
+
+    if (text[text_index] == '(' && !fnFound && !kIfFound) {
+      std::string substr;
+      std::string args_buffer;
+      std::string args;
+
+      bool type_crossed = false;
+
+      for (size_t idx = text.find('(') + 1; idx < text.size(); ++idx) {
+        if (text[idx] == ',') continue;
+
+        if (text[idx] == ' ') continue;
+
+        if (text[idx] == ')') break;
+      }
+
+      for (char substr_first_index : text) {
+        if (substr_first_index != ',')
+          args_buffer += substr_first_index;
+        else
+          args_buffer += '$';
+
+        if (substr_first_index == ';') {
+          args_buffer = args_buffer.erase(0, args_buffer.find('('));
+          args_buffer = args_buffer.erase(args_buffer.find(';'), 1);
+          args_buffer = args_buffer.erase(args_buffer.find(')'), 1);
+          args_buffer = args_buffer.erase(args_buffer.find('('), 1);
+
+          if (!args_buffer.empty()) args += "\tldw r6, ";
+
+          std::string register_type;
+          std::size_t index = 7UL;
+
+          while (args_buffer.find("$") != std::string::npos) {
+            register_type = kRegisterPrefix;
+            register_type += std::to_string(index);
+
+            ++index;
+
+            args_buffer.replace(args_buffer.find('$'), 1, "\n\tldw " + register_type + ",");
+          }
+
+          args += args_buffer;
+          args += "\n\tli r31, ";
+        }
+      }
+
+      for (char _text_i : text) {
+        if (_text_i == '\t' || _text_i == ' ') {
+          if (!type_crossed) {
+            substr.clear();
+            type_crossed = true;
+          }
+
+          continue;
+        }
+
+        if (_text_i == '(') break;
+
+        substr += _text_i;
+      }
+
+      if (kInBraces) {
+        syntax_leaf.fUserValue = args;
+        syntax_leaf.fUserValue += substr;
+
+        syntax_leaf.fUserValue += "\n\tblr\n";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+
+        fnFound = true;
+      } else {
+        syntax_leaf.fUserValue.clear();
+
+        syntax_leaf.fUserValue += "public_segment .code64 ";
+
+        syntax_leaf.fUserValue += substr;
+        syntax_leaf.fUserValue += "\n";
+
+        kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+
+        fnFound = true;
+      }
+
+      kCompilerFunctions.push_back(text);
+    }
+
+    if (text[text_index] == '-' && text[text_index + 1] == '-') {
+      text = text.replace(text.find("--"), strlen("--"), "");
+
+      for (int _text_i = 0; _text_i < text.size(); ++_text_i) {
+        if (text[_text_i] == '\t' || text[_text_i] == ' ') text.erase(_text_i, 1);
+      }
+
+      syntax_leaf.fUserValue += "dec ";
+      syntax_leaf.fUserValue += text;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+      break;
+    }
+
+    if (text[text_index] == '}') {
+      kRegisterCounter = kStartUsable;
+
+      --kBracesCount;
+
+      if (kBracesCount < 1) {
+        kInBraces    = false;
+        kBracesCount = 0;
+      }
+
+      if (kIfFound) kIfFound = false;
+
+      if (kInStruct) kInStruct = false;
+
+      kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+    }
+
+    syntax_leaf.fUserValue.clear();
+  }
+
+  auto syntax_leaf       = LibCompiler::SyntaxLeafList::SyntaxLeaf();
+  syntax_leaf.fUserValue = "\n";
+  kState.fSyntaxTree->fLeafList.push_back(syntax_leaf);
+
+  return syntax_leaf;
+}
+
+static bool        kShouldHaveBraces = false;
+static std::string kFnName;
+
+std::string CompilerFrontendPower64::Check(const char* text, const char* file) {
+  std::string err_str;
+  std::string ln = text;
+
+  if (ln.empty()) {
+    return err_str;
+  }
+
+  bool non_ascii_found = false;
+
+  for (int i = 0; i < ln.size(); ++i) {
+    if (isalnum(ln[i])) {
+      non_ascii_found = true;
+      break;
+    }
+  }
+
+  if (kShouldHaveBraces && ln.find('{') != std::string::npos) {
+    kShouldHaveBraces = false;
+  }
+
+  if (!non_ascii_found) return err_str;
+
+  size_t string_index = 1UL;
+
+  if (ln.find('\'') != std::string::npos) {
+    string_index = ln.find('\'') + 1;
+
+    for (; string_index < ln.size(); ++string_index) {
+      if (ln[string_index] == '\'') {
+        if (ln[string_index + 1] != ';') {
+          ln.erase(string_index, 1);
+        }
+
+        return err_str;
+      }
+    }
+  } else if (ln.find('"') != std::string::npos) {
+    string_index = ln.find('"') + 1;
+
+    for (; string_index < ln.size(); ++string_index) {
+      if (ln[string_index] == '"') {
+        if (ln[string_index + 1] != ';') {
+          ln.erase(string_index, 1);
+        } else {
+          break;
+        }
+      }
+    }
+  } else if (ln.find('"') == std::string::npos && ln.find('\'') == std::string::npos) {
+    std::vector<std::string> forbidden_words;
+
+    forbidden_words.push_back("\\");
+    forbidden_words.push_back("?");
+    forbidden_words.push_back("@");
+    forbidden_words.push_back("~");
+    forbidden_words.push_back("::");
+    forbidden_words.push_back("--*");
+    forbidden_words.push_back("*/");
+
+    // add them to avoid stupid mistakes.
+    forbidden_words.push_back("namespace");
+    forbidden_words.push_back("class");
+    forbidden_words.push_back("extern \"C\"");
+
+    for (auto& forbidden : forbidden_words) {
+      if (ln.find(forbidden) != std::string::npos) {
+        err_str += "\nForbidden character detected: ";
+        err_str += forbidden;
+
+        return err_str;
+      }
+    }
+  }
+
+  struct CompilerVariableRange final {
+    std::string fBegin;
+    std::string fEnd;
+  };
+
+  const std::vector<CompilerVariableRange> variables_list = {
+      {.fBegin = "static ", .fEnd = "="}, {.fBegin = "=", .fEnd = ";"},
+      {.fBegin = "if(", .fEnd = "="},     {.fBegin = "if (", .fEnd = "="},
+      {.fBegin = "if(", .fEnd = "<"},     {.fBegin = "if (", .fEnd = "<"},
+      {.fBegin = "if(", .fEnd = ">"},     {.fBegin = "if (", .fEnd = ">"},
+      {.fBegin = "if(", .fEnd = ")"},     {.fBegin = "if (", .fEnd = ")"},
+
+      {.fBegin = "else(", .fEnd = "="},   {.fBegin = "else (", .fEnd = "="},
+      {.fBegin = "else(", .fEnd = "<"},   {.fBegin = "else (", .fEnd = "<"},
+      {.fBegin = "else(", .fEnd = ">"},   {.fBegin = "else (", .fEnd = ">"},
+      {.fBegin = "else(", .fEnd = ")"},   {.fBegin = "else (", .fEnd = ")"},
+  };
+
+  for (auto& variable : variables_list) {
+    if (ln.find(variable.fBegin) != std::string::npos) {
+      string_index = ln.find(variable.fBegin) + variable.fBegin.size();
+
+      while (ln[string_index] == ' ') ++string_index;
+
+      std::string keyword;
+
+      for (; string_index < ln.size(); ++string_index) {
+        if (ln[string_index] == variable.fEnd[0]) {
+          std::string varname = "";
+
+          for (size_t index_keyword = ln.find(' '); ln[index_keyword] != variable.fBegin[0];
+               ++index_keyword) {
+            if (ln[index_keyword] == ' ') {
+              continue;
+            }
+
+            if (isdigit(ln[index_keyword])) {
+              goto cc_next_loop;
+            }
+
+            varname += ln[index_keyword];
+          }
+
+          if (varname.find(' ') != std::string::npos) {
+            varname.erase(0, varname.find(' '));
+
+            if (variable.fBegin == "extern") {
+              varname.erase(0, varname.find(' '));
+            }
+          }
+
+          if (kRegisterCounter == 5 || kRegisterCounter == 6) ++kRegisterCounter;
+
+          std::string reg = kAsmRegisterPrefix;
+          reg += std::to_string(kRegisterCounter);
+
+          kCompilerVariables.push_back({.fValue = varname});
+          goto cc_check_done;
+        }
+
+        keyword.push_back(ln[string_index]);
+      }
+
+      goto cc_next_loop;
+
+    cc_check_done:
+
+      // skip digit value.
+      if (isdigit(keyword[0]) || keyword[0] == '"') {
+        goto cc_next_loop;
+      }
+
+      while (keyword.find(' ') != std::string::npos) keyword.erase(keyword.find(' '), 1);
+
+      for (auto& var : kCompilerVariables) {
+        if (var.fValue.find(keyword) != std::string::npos) {
+          err_str.clear();
+          goto cc_next;
+        }
+      }
+
+      for (auto& fn : kCompilerFunctions) {
+        if (fn.find(keyword[0]) != std::string::npos) {
+          auto where_begin   = fn.find(keyword[0]);
+          auto keyword_begin = 0UL;
+          auto failed        = false;
+
+          for (; where_begin < keyword.size(); ++where_begin) {
+            if (fn[where_begin] == '(' && keyword[keyword_begin] == '(') break;
+
+            if (fn[where_begin] != keyword[keyword_begin]) {
+              failed = true;
+              break;
+            }
+
+            ++keyword_begin;
+          }
+
+          if (!failed) {
+            err_str.clear();
+            goto cc_next;
+          } else {
+            continue;
+          }
+        }
+      }
+
+    cc_error_value:
+      if (keyword.find("->") != std::string::npos) return err_str;
+
+      if (keyword.find(".") != std::string::npos) return err_str;
+
+      if (isalnum(keyword[0])) err_str += "\nUndefined value: " + keyword;
+
+      return err_str;
+    }
+
+  cc_next_loop:
+    continue;
+  }
+
+cc_next:
+
+  // extern does not declare anything, it extern_segments a variable.
+  // so that's why it's not declare upper.
+  if (LibCompiler::find_word(ln, "extern")) {
+    auto substr = ln.substr(ln.find("extern") + strlen("extern"));
+    kCompilerVariables.push_back({.fValue = substr});
+  }
+
+  if (kShouldHaveBraces && ln.find('{') == std::string::npos) {
+    err_str += "Missing '{' for function ";
+    err_str += kFnName;
+    err_str += "\n";
+
+    kShouldHaveBraces = false;
+    kFnName.clear();
+  } else if (kShouldHaveBraces && ln.find('{') != std::string::npos) {
+    kShouldHaveBraces = false;
+    kFnName.clear();
+  }
+
+  bool type_not_found = true;
+
+  if (ln.find('\'') != std::string::npos) {
+    ln.replace(ln.find('\''), 3, "0");
+  }
+
+  auto first = ln.find('"');
+  if (first != std::string::npos) {
+    auto second             = 0UL;
+    bool found_second_quote = false;
+
+    for (size_t i = first + 1; i < ln.size(); ++i) {
+      if (ln[i] == '\"') {
+        found_second_quote = true;
+        second             = i;
+
+        break;
+      }
+    }
+
+    if (!found_second_quote) {
+      err_str += "Missing terminating \".";
+      err_str += " here -> " + ln.substr(ln.find('"'), second);
+    }
+  }
+
+  if (ln.find(')') != std::string::npos && ln.find(';') == std::string::npos) {
+    if (ln.find('{') == std::string::npos) {
+      kFnName           = ln;
+      kShouldHaveBraces = true;
+
+      goto skip_braces_check;
+    } else if (ln.find('{') != std::string::npos) {
+      kShouldHaveBraces = false;
+    }
+  }
+
+skip_braces_check:
+
+  for (auto& key : kCompilerTypes) {
+    if (LibCompiler::find_word(ln, key.fName)) {
+      if (isdigit(ln[ln.find(key.fName) + key.fName.size() + 1])) {
+        err_str += "\nNumber cannot be set for ";
+        err_str += key.fName;
+        err_str += "'s name. here -> ";
+        err_str += ln;
+      }
+
+      if (ln.find(key.fName) == 0 || ln[ln.find(key.fName) - 1] == ' ' ||
+          ln[ln.find(key.fName) - 1] == '\t') {
+        type_not_found = false;
+
+        if (ln[ln.find(key.fName) + key.fName.size()] != ' ') {
+          type_not_found = true;
+
+          if (ln[ln.find(key.fName) + key.fName.size()] == '\t') type_not_found = false;
+
+          goto next;
+        } else if (ln[ln.find(key.fName) + key.fName.size()] != '\t') {
+          type_not_found = true;
+
+          if (ln[ln.find(key.fName) + key.fName.size()] == ' ') type_not_found = false;
+        }
+      }
+
+    next:
+
+      if (ln.find(';') == std::string::npos) {
+        if (ln.find('(') != std::string::npos) {
+          if (ln.find('=') == std::string::npos) continue;
+        }
+
+        err_str += "\nMissing ';', here -> ";
+        err_str += ln;
+      } else {
+        continue;
+      }
+
+      if (ln.find('=') != std::string::npos) {
+        if (ln.find('(') != std::string::npos) {
+          if (ln.find(')') == std::string::npos) {
+            err_str += "\nMissing ')', after '(' here -> ";
+            err_str += ln.substr(ln.find('('));
+          }
+        }
+      }
+    }
+  }
+
+  if (kInBraces && ln.find("struct") != std::string::npos &&
+      ln.find("union") != std::string::npos && ln.find("enum") != std::string::npos &&
+      ln.find('=') != std::string::npos) {
+    if (ln.find(';') == std::string::npos) {
+      err_str += "\nMissing ';' after struct/union/enum declaration, here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (ln.find(';') != std::string::npos && ln.find("for") == std::string::npos) {
+    if (ln.find(';') + 1 != ln.size()) {
+      for (int i = 0; i < ln.substr(ln.find(';') + 1).size(); ++i) {
+        if ((ln.substr(ln.find(';') + 1)[i] != ' ') || (ln.substr(ln.find(';') + 1)[i] != '\t')) {
+          if (auto err = this->Check(ln.substr(ln.find(';') + 1).c_str(), file); !err.empty()) {
+            err_str += "\nUnexpected text after ';' -> ";
+            err_str += ln.substr(ln.find(';'));
+            err_str += err;
+          }
+        }
+      }
+    }
+  }
+
+  if (ln.find('(') != std::string::npos) {
+    if (ln.find(';') == std::string::npos && !LibCompiler::find_word(ln, "|") &&
+        !LibCompiler::find_word(ln, "||") && !LibCompiler::find_word(ln, "&") &&
+        !LibCompiler::find_word(ln, "&&") && !LibCompiler::find_word(ln, "~")) {
+      bool              found_func = false;
+      size_t            i          = ln.find('(');
+      std::vector<char> opens;
+      std::vector<char> closes;
+
+      for (; i < ln.size(); ++i) {
+        if (ln[i] == ')') {
+          closes.push_back(1);
+        }
+
+        if (ln[i] == '(') {
+          opens.push_back(1);
+        }
+      }
+
+      if (closes.size() != opens.size()) err_str += "Unterminated (), here -> " + ln;
+
+      bool space_found = false;
+
+      for (int i = 0; i < ln.size(); ++i) {
+        if (ln[i] == ')' && !space_found) {
+          space_found = true;
+          continue;
+        }
+
+        if (space_found) {
+          if (ln[i] == ' ' && isalnum(ln[i + 1])) {
+            err_str += "\nBad function format here -> ";
+            err_str += ln;
+          }
+        }
+      }
+    }
+
+    if (ln.find('(') < 1) {
+      err_str += "\nMissing identifier before '(' here -> ";
+      err_str += ln;
+    } else {
+      if (type_not_found && ln.find(';') == std::string::npos &&
+          ln.find("if") == std::string::npos && ln.find("|") == std::string::npos &&
+          ln.find("&") == std::string::npos && ln.find("(") == std::string::npos &&
+          ln.find(")") == std::string::npos) {
+        err_str += "\n Missing ';' or type, here -> ";
+        err_str += ln;
+      }
+    }
+
+    if (ln.find(')') == std::string::npos) {
+      err_str += "\nMissing ')', after '(' here -> ";
+      err_str += ln.substr(ln.find('('));
+    }
+  } else {
+    if (ln.find("for") != std::string::npos || ln.find("while") != std::string::npos) {
+      err_str += "\nMissing '(', after \"for\", here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (ln.find('}') != std::string::npos && !kInBraces) {
+    if (!kInStruct && ln.find(';') == std::string::npos) {
+      err_str += "\nMismatched '}', here -> ";
+      err_str += ln;
+    }
+  }
+
+  if (!ln.empty()) {
+    if (ln.find(';') == std::string::npos && ln.find('{') == std::string::npos &&
+        ln.find('}') == std::string::npos && ln.find(')') == std::string::npos &&
+        ln.find('(') == std::string::npos && ln.find(',') == std::string::npos) {
+      if (ln.size() <= 2) return err_str;
+
+      err_str += "\nMissing ';', here -> ";
+      err_str += ln;
+    }
+  }
+
+  return err_str;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * @brief C To Assembly mount-point.
+ */
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+class AssemblyMountpointCLang final LC_ASSEMBLY_INTERFACE {
+ public:
+  explicit AssemblyMountpointCLang()  = default;
+  ~AssemblyMountpointCLang() override = default;
+
+  LIBCOMPILER_COPY_DEFAULT(AssemblyMountpointCLang);
+
+  UInt32 Arch() noexcept override { return LibCompiler::AssemblyFactory::kArchPowerPC; }
+
+  Int32 CompileToFormat(std::string src, Int32 arch) override {
+    if (kCompilerFrontend == nullptr) return 1;
+
+    /* @brief copy contents wihtout extension */
+    std::string   src_file = src.data();
+    std::ifstream src_fp   = std::ifstream(src_file, std::ios::in);
+    std::string   dest;
+
+    for (auto& ch : src_file) {
+      if (ch == '.') {
+        break;
+      }
+
+      dest += ch;
+    }
+
+    /* According to PEF ABI. */
+    std::vector<const char*> exts = kAsmFileExts;
+    dest += exts[4];
+
+    kState.fOutputAssembly = std::make_unique<std::ofstream>(dest);
+
+    auto fmt = LibCompiler::current_date();
+
+    (*kState.fOutputAssembly) << "# Path: " << src_file << "\n";
+    (*kState.fOutputAssembly) << "# Language: POWER Assembly (Generated from C)\n";
+    (*kState.fOutputAssembly) << "# Date: " << fmt << "\n\n";
+
+    LibCompiler::SyntaxLeafList syntax;
+
+    kState.fSyntaxTreeList.push_back(syntax);
+    kState.fSyntaxTree = &kState.fSyntaxTreeList[kState.fSyntaxTreeList.size() - 1];
+
+    std::string line_src;
+
+    while (std::getline(src_fp, line_src)) {
+      if (auto err = kCompilerFrontend->Check(line_src.c_str(), src.data()); err.empty()) {
+        kCompilerFrontend->Compile(line_src, src.data());
+      } else {
+        Detail::print_error(err, src.data());
+      }
+    }
+
+    if (kAcceptableErrors > 0) return 1;
+
+    std::vector<std::string> keywords = {"ld", "stw", "add", "sub", "or"};
+
+    ///
+    /// Replace, optimize, fix assembly output.
+    ///
+
+    for (auto& leaf : kState.fSyntaxTree->fLeafList) {
+      std::vector<std::string> access_keywords = {"->", "."};
+
+      for (auto& access_ident : access_keywords) {
+        if (LibCompiler::find_word(leaf.fUserValue, access_ident)) {
+          for (auto& struc : kState.kStructMap) {
+            /// TODO:
+          }
+        }
+      }
+
+      for (auto& keyword : keywords) {
+        if (LibCompiler::find_word(leaf.fUserValue, keyword)) {
+          std::size_t cnt = 0UL;
+
+          for (auto& reg : kState.kStackFrame) {
+            std::string needle;
+
+            for (size_t i = 0; i < reg.fName.size(); i++) {
+              if (reg.fName[i] == ' ') {
+                ++i;
+
+                for (; i < reg.fName.size(); i++) {
+                  if (reg.fName[i] == ',') {
+                    break;
+                  }
+
+                  if (reg.fName[i] == ' ') continue;
+
+                  needle += reg.fName[i];
+                }
+
+                break;
+              }
+            }
+
+            if (LibCompiler::find_word(leaf.fUserValue, needle)) {
+              if (leaf.fUserValue.find("extern_segment ") != std::string::npos) {
+                std::string range = "extern_segment ";
+                leaf.fUserValue.replace(leaf.fUserValue.find(range), range.size(), "");
+              }
+
+              if (leaf.fUserValue.find("ldw r6") != std::string::npos) {
+                std::string::difference_type countComma =
+                    std::count(leaf.fUserValue.begin(), leaf.fUserValue.end(), ',');
+
+                if (countComma == 1) {
+                  leaf.fUserValue.replace(leaf.fUserValue.find("ldw"), strlen("ldw"), "mr");
+                }
+              }
+
+              leaf.fUserValue.replace(leaf.fUserValue.find(needle), needle.size(), reg.fReg);
+
+              ++cnt;
+            }
+          }
+
+          if (cnt > 1 && keyword != "mr" && keyword != "add" && keyword != "dec") {
+            leaf.fUserValue.replace(leaf.fUserValue.find(keyword), keyword.size(), "mr");
+          }
+        }
+      }
+    }
+
+    for (auto& leaf : kState.fSyntaxTree->fLeafList) {
+      (*kState.fOutputAssembly) << leaf.fUserValue;
+    }
+
+    kState.fSyntaxTree = nullptr;
+
+    kState.fOutputAssembly->flush();
+    kState.fOutputAssembly.reset();
+
+    return kExitOK;
+  }
+};
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+#include <LibCompiler/Version.h>
+
+#define kPrintF printf
+#define kSplashCxx() kPrintF(kWhite "cc, %s, (c) Amlal El Mahrouss\n", kDistVersion)
+
+static void cc_print_help() {
+  kSplashCxx();
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+#define kExt ".c"
+
+LIBCOMPILER_MODULE(CompilerCLangPowerPC) {
+  ::signal(SIGSEGV, Detail::drvi_crash_handler);
+
+  kCompilerTypes.push_back({.fName = "void", .fValue = "void"});
+  kCompilerTypes.push_back({.fName = "char", .fValue = "byte"});
+  kCompilerTypes.push_back({.fName = "short", .fValue = "hword"});
+  kCompilerTypes.push_back({.fName = "int", .fValue = "dword"});
+  kCompilerTypes.push_back({.fName = "long", .fValue = "qword"});
+  kCompilerTypes.push_back({.fName = "*", .fValue = "offset"});
+
+  bool skip = false;
+
+  kFactory.Mount(new AssemblyMountpointCLang());
+  kMachine          = LibCompiler::AssemblyFactory::kArchPowerPC;
+  kCompilerFrontend = new CompilerFrontendPower64();
+
+  for (auto index = 1UL; index < argc; ++index) {
+    if (skip) {
+      skip = false;
+      continue;
+    }
+
+    if (argv[index][0] == '-') {
+      if (strcmp(argv[index], "-v") == 0 || strcmp(argv[index], "-version") == 0) {
+        kSplashCxx();
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "-verbose") == 0) {
+        kState.fVerbose = true;
+
+        continue;
+      }
+
+      if (strcmp(argv[index], "-h") == 0 || strcmp(argv[index], "-help") == 0) {
+        cc_print_help();
+
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "-dialect") == 0) {
+        if (kCompilerFrontend) std::cout << kCompilerFrontend->Language() << "\n";
+
+        return kExitOK;
+      }
+
+      if (strcmp(argv[index], "-fmax-exceptions") == 0) {
+        try {
+          kErrorLimit = std::strtol(argv[index + 1], nullptr, 10);
+        }
+        // catch anything here
+        catch (...) {
+          kErrorLimit = 0;
+        }
+
+        skip = true;
+
+        continue;
+      }
+
+      std::string err = "Unknown command: ";
+      err += argv[index];
+
+      Detail::print_error(err, "cc");
+
+      continue;
+    }
+
+    kFileList.emplace_back(argv[index]);
+
+    std::string srcFile = argv[index];
+
+    if (strstr(argv[index], kExt) == nullptr) {
+      if (kState.fVerbose) {
+        Detail::print_error(srcFile + " is not a valid C source.\n", "cc");
+      }
+
+      return 1;
+    }
+
+    if (kFactory.Compile(srcFile, kMachine) != kExitOK) return 1;
+  }
+
+  return kExitOK;
+}
+
+// Last rev 8-1-24