Add warning for relative source paths in cppia

Author: tobil4sk

hxcpp-debug-server/hxcpp/debug/jsonrpc/Server.hx

@@ -235,11 +235,21 @@ class Server {
 	}
 
 	private function generateFilePathMaps() {
+		#if scriptable
+		var isUpdate = path2file.keys().hasNext();
+		#end
 		var fullPathes = Debugger.getFilesFullPath();
 		var files = Debugger.getFiles();
 		for (i in 0...files.length) {
 			var file = files[i];
 			var path = fullPathes[i];
+
+			#if scriptable
+			if (isUpdate && !path2file.exists(path2Key(path)) && !haxe.io.Path.isAbsolute(path)) {
+				log("Warning: cppia script was loaded containing relative source file paths. Make sure the script is compiled with -D cppia.absolute-source-paths");
+			}
+			#end
+
 			path2file[path2Key(path)] = file;
 			file2path[path2Key(file)] = path;
 		}