logic: indexer and name resolving fixes

* made header and excluded filepaths of filemanager canonical
* implemented solving Attributed- and InjectedClassNameType
* handled clang returning null objects in NameResolvers

src/lib/utility/file/FileManager.cpp

@@ -27,8 +27,8 @@ void FileManager::setPaths(
 	std::vector<std::string> sourceExtensions
 ){
 	m_sourcePaths = sourcePaths;
-	m_headerPaths = headerPaths;
-	m_excludePaths = excludePaths;
+	m_headerPaths = makeCanonical(headerPaths);
+	m_excludePaths = makeCanonical(excludePaths);
 	m_sourceExtensions = sourceExtensions;
 }
 
@@ -159,6 +159,16 @@ const FileInfo FileManager::getFileInfo(const FilePath& filePath) const
 	return it->second;
 }
 
+std::vector<FilePath> FileManager::makeCanonical(const std::vector<FilePath>& filePaths)
+{
+	std::vector<FilePath> ret;
+	for (const FilePath filePath: filePaths)
+	{
+		ret.push_back(filePath.canonical());
+	}
+	return ret;
+}
+
 bool FileManager::isExcluded(const FilePath& filePath) const
 {
 	for (FilePath path : m_excludePaths)

src/lib/utility/file/FileManager.h

@@ -34,6 +34,7 @@ public:
 	virtual const FileInfo getFileInfo(const FilePath& filePath) const;
 
 private:
+	std::vector<FilePath> makeCanonical(const std::vector<FilePath>& filePaths);
 	bool isExcluded(const FilePath& filePath) const;
 
 	std::map<FilePath, FileInfo> m_files;