Implemented all Lexer errors

Common/File.h

@@ -64,4 +64,39 @@ namespace LXC::Util
 
 		return contents;
 	}
+
+	// Struct to hold a position within a file //
+	struct FileLocation
+	{
+		unsigned short col;
+		unsigned short line;
+	};
+
+	// Finds the location of a given index within a file //
+	inline bool GetFileLocationAtIndex(FileLocation& location, const std::string& file, __int32 index)
+	{
+		// Returns false if outside the bounds //
+		if (index < 0 || index > file.length())
+			return false;
+
+		// Resets location //
+		location.line = 1;
+		location.col = 1;
+
+		// Finds the location //
+		__int32 localIndex = 0;
+		while (localIndex != index)
+		{
+			if (file[localIndex] == '\n')
+			{
+				location.line += 1;
+				location.col = 0;
+			}
+
+			location.col++;
+			localIndex++;
+		}
+
+		return true;
+	}
 }

Common/LXC.h

@@ -7,5 +7,5 @@
 // LXC util files //
 
 #include <Result.h>
-#include <FileRead.h>
+#include <File.h>
 #include <IO.h>