Added handling of comment decorators (skip, note) in sequence diagram comments (#194)

src/common/clang_utils.h

@@ -282,8 +282,15 @@ clang::QualType dereference(clang::QualType type);
 std::pair<clang::QualType, std::deque<common::model::context>>
 consume_type_context(clang::QualType type);
 
-std::optional<std::string> get_expression_comment(
-    const clang::SourceManager &sm, const clang::ASTContext &context,
-    const clang::Stmt *stmt);
+/**
+ * @brief Extract a comment before or next to a statement
+ *
+ * @param sm clang::SourceManager reference
+ * @param context clang::ASTContext reference
+ * @param stmt Pointer to the current clang::Stmt
+ * @return Pointer to a clang::RawComment* or nullptr
+ */
+clang::RawComment *get_expression_raw_comment(const clang::SourceManager &sm,
+    const clang::ASTContext &context, const clang::Stmt *stmt);
 
 } // namespace clanguml::common