Extract commonly used Parser code to new Parser component

src/Parser/Parsing/TokenPos.cpp

@@ -0,0 +1,17 @@
+#include "TokenPos.h"
+
+const std::string TokenPos::EMPTY_FILENAME;
+
+TokenPos::TokenPos()
+    : m_filename(EMPTY_FILENAME),
+      m_line(1),
+      m_column(1)
+{
+}
+
+TokenPos::TokenPos(const std::string& filename, const int line, const int column)
+    : m_filename(filename),
+      m_line(line),
+      m_column(column)
+{
+}