cxx: Improved performance of CxxAstVisitor, CxxNameResolver and CxxName types

* use unique_ptr for CxxName handling
* create CxxNameResolver from other
* improved string handling in CxxName types
* only traverse decls within projects
* use macro in ast visitor to call into each component instead of virtual calls
* improved CxxName caching performance
* refactored CxxNameResolver classes to use less locals

src/lib/data/name/NameElement.cpp

@@ -100,3 +100,8 @@ const NameElement::Signature& NameElement::getSignature()
 {
 	return m_signature;
 }
+
+void NameElement::setSignature(std::wstring prefix, std::wstring postfix)
+{
+	m_signature = Signature(std::move(prefix), std::move(postfix));
+}

src/lib/data/name/NameElement.h

@@ -24,8 +24,8 @@ public:
 		std::wstring getParameterString() const;
 
 	private:
-		const std::wstring m_prefix;
-		const std::wstring m_postfix;
+		std::wstring m_prefix;
+		std::wstring m_postfix;
 	};
 
 	NameElement(std::wstring name);
@@ -35,12 +35,14 @@ public:
 	const std::wstring& getName() const;
 	std::wstring getNameWithSignature() const;
 	std::wstring getNameWithSignatureParameters() const;
+
 	bool hasSignature() const;
 	const Signature& getSignature();
+	void setSignature(std::wstring prefix, std::wstring postfix);
 
 private:
 	const std::wstring m_name;
-	const Signature m_signature;
+	Signature m_signature;
 };
 
 #endif // NAME_ELEMENT_H

src/lib/utility/OrderedCache.h

@@ -30,7 +30,7 @@ OrderedCache<KeyType, ValType>::OrderedCache(std::function<ValType(const KeyType
 template <typename KeyType, typename ValType>
 ValType OrderedCache<KeyType, ValType>::getValue(const KeyType& key)
 {
-	typename std::map<KeyType, ValType>::const_iterator it = m_map.find(key);
+	auto it = m_map.find(key);
 	if (it != m_map.end())
 	{
 		++m_hitCount;
@@ -38,7 +38,7 @@ ValType OrderedCache<KeyType, ValType>::getValue(const KeyType& key)
 	}
 	++m_missCount;
 	ValType val = m_calculator(key);
-	m_map.insert(std::pair<KeyType, ValType>(key, val));
+	m_map.emplace(key, val);
 	return val;
 }
 

src/lib/utility/UnorderedCache.h

@@ -30,7 +30,7 @@ UnorderedCache<KeyType, ValType, Hasher>::UnorderedCache(std::function<ValType(c
 template <typename KeyType, typename ValType, typename Hasher>
 ValType UnorderedCache<KeyType, ValType, Hasher>::getValue(const KeyType& key)
 {
-	typename std::unordered_map<KeyType, ValType, Hasher>::const_iterator it = m_map.find(key);
+	auto it = m_map.find(key);
 	if (it != m_map.end())
 	{
 		++m_hitCount;
@@ -38,7 +38,7 @@ ValType UnorderedCache<KeyType, ValType, Hasher>::getValue(const KeyType& key)
 	}
 	++m_missCount;
 	ValType val = m_calculator(key);
-	m_map.insert(std::pair<KeyType, ValType>(key, val));
+	m_map.emplace(key, val);
 	return val;
 }