findBreakByCoord mb_file (line, col) arr
| not (inRange (bounds arr) line) = Nothing
| otherwise =
- listToMaybe (sortBy rightmost contains)
+ listToMaybe (sortBy rightmost contains) `mplus`
+ listToMaybe (sortBy leftmost_smallest after_here)
where
ticks = arr ! line
| Just f <- mb_file = GHC.srcSpanFile span == f
| otherwise = True
+ after_here = [ tick | tick@(nm,span) <- ticks,
+ GHC.srcSpanStartLine span == line,
+ GHC.srcSpanStartCol span >= col ]
+
leftmost_smallest (_,a) (_,b) = a `compare` b
leftmost_largest (_,a) (_,b) = (GHC.srcSpanStart a `compare` GHC.srcSpanStart b)