feat(mcp): Finalize C/C++ AST tools with robust testing and bug fixes

tests/assets/gencpp_samples/base_component.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <string>
+#include <memory>
+#include <vector>
+
+namespace gencpp {
+namespace core {
+
+/**
+ * @brief Base class for all components in the system.
+ */
+template <typename T>
+class BaseComponent {
+public:
+    virtual ~BaseComponent() = default;
+
+    virtual void Initialize() = 0;
+    virtual void Shutdown() = 0;
+
+    virtual const std::string& GetName() const = 0;
+
+    struct Config {
+        std::string name;
+        int priority;
+        bool enabled;
+
+        class Metadata {
+        public:
+            std::string author;
+            std::string version;
+        };
+        Metadata metadata;
+    };
+
+protected:
+    BaseComponent(const Config& config) : m_config(config) {}
+    Config m_config;
+};
+
+} // namespace core
+} // namespace gencpp

tests/assets/gencpp_samples/complex_template.h

@@ -0,0 +1,54 @@
+#pragma once
+
+#include <tuple>
+#include <utility>
+
+namespace gencpp {
+namespace util {
+
+/**
+ * @brief A complex template class demonstrating variadic templates.
+ */
+template <typename... Args>
+class MultiBuffer {
+public:
+    void SetData(Args... args) {
+        m_data = std::make_tuple(args...);
+    }
+
+    template <size_t I>
+    auto Get() const -> const typename std::tuple_element<I, std::tuple<Args...>>::type& {
+        return std::get<I>(m_data);
+    }
+
+private:
+    std::tuple<Args...> m_data;
+};
+
+/**
+ * @brief Template specialization example.
+ */
+template <typename T>
+struct TypeTraits {
+    static constexpr bool IsPointer = false;
+};
+
+template <typename T>
+struct TypeTraits<T*> {
+    static constexpr bool IsPointer = true;
+};
+
+/**
+ * @brief Nested template class.
+ */
+template <typename Outer>
+struct Container {
+    template <typename Inner>
+    struct Wrapper {
+        Inner value;
+        Outer context;
+    };
+};
+
+} // namespace util
+} // namespace gencpp

tests/assets/gencpp_samples/component_registry.cpp

@@ -0,0 +1,26 @@
+#include "component_registry.h"
+#include <iostream>
+
+namespace gencpp {
+namespace registry {
+
+ComponentRegistry& ComponentRegistry::Instance() {
+    static ComponentRegistry instance;
+    return instance;
+}
+
+void ComponentRegistry::Register(const std::string& type, ComponentCreator creator) {
+    std::cout << "Registering component type: " << type << std::endl;
+    m_creators[type] = creator;
+}
+
+std::unique_ptr<core::BaseComponent<void*>> ComponentRegistry::Create(const std::string& type) {
+    auto it = m_creators.find(type);
+    if (it != m_creators.end()) {
+        return it->second();
+    }
+    return nullptr;
+}
+
+} // namespace registry
+} // namespace gencpp

tests/assets/gencpp_samples/component_registry.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "base_component.h"
+#include <map>
+#include <string>
+#include <functional>
+
+namespace gencpp {
+namespace registry {
+
+class ComponentRegistry {
+public:
+    using ComponentCreator = std::function<std::unique_ptr<core::BaseComponent<void*>>()>;
+
+    static ComponentRegistry& Instance();
+
+    void Register(const std::string& type, ComponentCreator creator);
+    std::unique_ptr<core::BaseComponent<void*>> Create(const std::string& type);
+
+    class Iterator {
+    public:
+        using MapIterator = std::map<std::string, ComponentCreator>::iterator;
+        
+        Iterator(MapIterator it) : m_it(it) {}
+        
+        bool operator!=(const Iterator& other) const { return m_it != other.m_it; }
+        void operator++() { ++m_it; }
+        const std::string& GetType() const { return m_it->first; }
+
+    private:
+        MapIterator m_it;
+    };
+
+    Iterator Begin() { return Iterator(m_creators.begin()); }
+    Iterator End() { return Iterator(m_creators.end()); }
+
+private:
+    ComponentRegistry() = default;
+    std::map<std::string, ComponentCreator> m_creators;
+};
+
+} // namespace registry
+} // namespace gencpp

tests/assets/gencpp_samples/verify_samples.py

@@ -0,0 +1,20 @@
+import os
+
+def verify_files():
+ files = [
+  "base_component.h",
+  "component_registry.h",
+  "component_registry.cpp",
+  "complex_template.h"
+ ]
+ base_path = "tests/assets/gencpp_samples"
+ for f in files:
+  p = os.path.join(base_path, f)
+  if os.path.exists(p):
+   print(f"Verified: {f}")
+  else:
+   print(f"Missing: {f}")
+   exit(1)
+
+if __name__ == "__main__":
+ verify_files()