1 files changed, 63 insertions, 0 deletions
diff --git a/include/CompilerKit/AST.inl b/include/CompilerKit/AST.inl
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+++ b/include/CompilerKit/AST.inl
@@ -0,0 +1,63 @@
+/* ========================================
+
+  Copyright (C) 2025 Amlal El Mahrouss, Licensed under the Apache 2.0 license
+
+======================================== */
+
+namespace CompilerKit {
+/// find the perfect matching word in a haystack.
+/// \param haystack base string
+/// \param needle the string we search for.
+/// \return if we found it or not.
+inline bool find_word(STLString haystack, STLString needle) noexcept {
+  auto index = haystack.find(needle);
+
+  // check for needle validity.
+  if (index == STLString::npos) return false;
+
+  // declare lambda
+  auto not_part_of_word = [&](int index) {
+    if (std::isspace(haystack[index]) || std::ispunct(haystack[index])) return true;
+
+    if (index <= 0 || index >= haystack.size()) return true;
+
+    return false;
+  };
+
+  return not_part_of_word(index - 1) && not_part_of_word(index + needle.size());
+}
+
+/// find a word within strict conditions and returns a range of it.
+/// \param haystack
+/// \param needle
+/// \return position of needle.
+inline SizeType find_word_range(STLString haystack, STLString needle) noexcept {
+  auto index = haystack.find(needle);
+
+  // check for needle validity.
+  if (index == STLString::npos) return false;
+
+  if (!isalnum((haystack[index + needle.size() + 1])) &&
+      !isdigit(haystack[index + needle.size() + 1]) &&
+      !isalnum((haystack[index - needle.size() - 1])) &&
+      !isdigit(haystack[index - needle.size() - 1])) {
+    return index;
+  }
+
+  return STLString::npos;
+}
+
+/// =========================================================== ///
+//! @brief What language are we dealing with?
+/// =========================================================== ///
+inline const char* CompilerFrontendInterface::Language() {
+  return kInvalidFrontend;
+}
+
+/// =========================================================== ///
+/// @brief Checks if language is a valid frontend.
+/// =========================================================== ///
+inline bool CompilerFrontendInterface::IsValid() {
+  return strcmp(this->Language(), kInvalidFrontend) > 0;
+}
+}  // namespace CompilerKit
+\ No newline at end of file