X-Git-Url: http://nitlanguage.org

diff --git a/src/rapid_type_analysis.nit b/src/rapid_type_analysis.nit
index 5da1494..cea654b 100644
--- a/src/rapid_type_analysis.nit
+++ b/src/rapid_type_analysis.nit
@@ -132,7 +132,7 @@ class RapidTypeAnalysis
 		var types = typeset.to_a
 		(new CachedAlphaComparator).sort(types)
 		var res = new CsvDocument
-		res.format = new CsvFormat('"', ';', "\n")
+		res.separator = ';'
 		res.header = ["Type", "Resolution", "Liveness", "Cast-liveness"]
 		for t in types do
 			var reso
@@ -254,6 +254,8 @@ class RapidTypeAnalysis
 				add_cast(paramtype)
 			end
 
+			if mmethoddef.is_abstract then continue
+
 			var npropdef = modelbuilder.mpropdef2node(mmethoddef)
 
 			if npropdef isa AClassdef then
@@ -319,7 +321,9 @@ class RapidTypeAnalysis
 				if not check_depth(rt) then continue
 				#print "{ot}/{t} -> {rt}"
 				live_types.add(rt)
-				todo_types.add(rt)
+				# unshift means a deep-first visit.
+				# So that the `check_depth` limit is reached sooner.
+				todo_types.unshift(rt)
 			end
 		end
 		#print "MType {live_types.length}: {live_types.join(", ")}"