public override void SetBreakpoints()

in src/csharp/MonoDebugSession.cs [523:590]
56 lines of code
16 McCabe index (conditional complexity)

		public override void SetBreakpoints(Response response, dynamic args)
		{
			string path = null;
			if (args.source != null) {
				string p = (string)args.source.path;
				if (p != null && p.Trim().Length > 0) {
					path = p;
				}
			}
			if (path == null) {
				SendErrorResponse(response, 3010, "setBreakpoints: property 'source' is empty or misformed", null, false, true);
				return;
			}
			path = ConvertClientPathToDebugger(path);

			if (!HasMonoExtension(path)) {
				// we only support breakpoints in files mono can handle
				SendResponse(response, new SetBreakpointsResponseBody());
				return;
			}

			var clientLines = args.lines.ToObject<int[]>();
			HashSet<int> lin = new HashSet<int>();
			for (int i = 0; i < clientLines.Length; i++) {
				lin.Add(ConvertClientLineToDebugger(clientLines[i]));
			}

			// find all breakpoints for the given path and remember their id and line number
			var bpts = new List<Tuple<int, int>>();
			foreach (var be in _breakpoints) {
				var bp = be.Value as Mono.Debugging.Client.Breakpoint;
				if (bp != null && bp.FileName == path) {
					bpts.Add(new Tuple<int,int>((int)be.Key, (int)bp.Line));
				}
			}

			HashSet<int> lin2 = new HashSet<int>();
			foreach (var bpt in bpts) {
				if (lin.Contains(bpt.Item2)) {
					lin2.Add(bpt.Item2);
				}
				else {
					// Program.Log("cleared bpt #{0} for line {1}", bpt.Item1, bpt.Item2);

					BreakEvent b;
					if (_breakpoints.TryGetValue(bpt.Item1, out b)) {
						_breakpoints.Remove(bpt.Item1);
						_session.Breakpoints.Remove(b);
					}
				}
			}

			for (int i = 0; i < clientLines.Length; i++) {
				var l = ConvertClientLineToDebugger(clientLines[i]);
				if (!lin2.Contains(l)) {
					var id = _nextBreakpointId++;
					_breakpoints.Add(id, _session.Breakpoints.Add(path, l));
					// Program.Log("added bpt #{0} for line {1}", id, l);
				}
			}

			var breakpoints = new List<Breakpoint>();
			foreach (var l in clientLines) {
				breakpoints.Add(new Breakpoint(true, l));
			}

			SendResponse(response, new SetBreakpointsResponseBody(breakpoints));
		}