rta: add `live_methods_to_tree` to provide human-readable infos on methods

[nit.git] / src / rapid_type_analysis.nit

diff --git a/src/rapid_type_analysis.nit b/src/rapid_type_analysis.nit
index db88025..00cb5b7 100644 (file)
--- a/src/rapid_type_analysis.nit
+++ b/src/rapid_type_analysis.nit
@@ -28,6 +28,9 @@ import modelbuilder
 import typing
 import auto_super_init
 
+import csv # for live_types_to_csv
+import ordered_tree # for live_methods_to_tree
+
 redef class ModelBuilder
        fun do_rapid_type_analysis(mainmodule: MModule): RapidTypeAnalysis
        do
@@ -60,7 +63,7 @@ class RapidTypeAnalysis
        var live_classes = new HashSet[MClass]
 
        # The pool of types used to perform type checks (isa and as).
-       var live_cast_types = new HashSet[MClassType]
+       var live_cast_types = new HashSet[MType]
 
        # The pool of undesolved types used to perform type checks (isa and as).
        # They are globally resolved at the end of the analaysis
@@ -75,6 +78,57 @@ class RapidTypeAnalysis
        # Live call-to-super.
        var live_super_sends = new HashSet[MMethodDef]
 
+       # Return a ready-to-save CSV document objet that agregates informations about live types.
+       # Each discovered type is listed in a line, with its status: resolution, liveness, cast-liveness.
+       # Note: types are listed in an alphanumeric order to improve human reading.
+       fun live_types_to_csv: CSVDocument
+       do
+               # Gather all kind of type
+               var typeset = new HashSet[MType]
+               typeset.add_all(live_types)
+               typeset.add_all(live_open_types)
+               typeset.add_all(live_cast_types)
+               typeset.add_all(live_open_cast_types)
+               var types = typeset.to_a
+               (new CachedAlphaComparator).sort(types)
+               var res = new CSVDocument
+               res.header = ["Type", "Resolution", "Liveness", "Cast-liveness"]
+               for t in types do
+                       var reso
+                       if t.need_anchor then reso = "OPEN " else reso = "CLOSED"
+                       var live
+                       if t isa MClassType and (live_types.has(t) or live_open_types.has(t)) then live = "LIVE" else live = "DEAD"
+                       var cast
+                       if live_cast_types.has(t) or live_open_cast_types.has(t) then cast = "CAST LIVE" else cast = "CAST DEAD"
+                       res.add_line(t, reso, live, cast)
+               end
+               return res
+       end
+
+       # Return a ready-to-save OrderedTree object that agregates infomration about live methods.
+       # Note: methods are listed in an alphanumeric order to improve human reading.
+       fun live_methods_to_tree: OrderedTree[Object]
+       do
+               var tree = new OrderedTree[Object]
+               for x in live_methods do
+                       var xn = x.full_name
+                       tree.add(null, xn)
+                       for z in x.mpropdefs do
+                               var zn = z.to_s
+                               if live_methoddefs.has(z) then
+                                       tree.add(xn, zn)
+                                       if live_super_sends.has(z) then
+                                               tree.add(zn, zn + "(super)")
+                                       end
+                               else if live_super_sends.has(z) then
+                                       tree.add(xn, zn + "(super)")
+                               end
+                       end
+               end
+               tree.sort_with(alpha_comparator)
+               return tree
+       end
+
        # Methods that are are still candidate to the try_send
        private var totry_methods = new HashSet[MMethod]
 
@@ -158,7 +212,7 @@ class RapidTypeAnalysis
                                var auto_super_inits = npropdef.auto_super_inits
                                if auto_super_inits != null then
                                        for auto_super_init in auto_super_inits do
-                                               v.add_monomorphic_send(v.receiver, auto_super_init)
+                                               v.add_callsite(auto_super_init)
                                        end
                                end
                        else if npropdef isa AInternMethPropdef or
@@ -207,8 +261,6 @@ class RapidTypeAnalysis
                        for t in live_types do
                                if not ot.can_resolve_for(t, t, mainmodule) then continue
                                var rt = ot.anchor_to(mainmodule, t)
-                               if rt isa MNullableType then rt = rt.mtype
-                               assert rt isa MClassType
                                live_cast_types.add(rt)
                                #print "  {ot}/{t} -> {rt}"
                        end
@@ -261,11 +313,9 @@ class RapidTypeAnalysis
 
        fun add_cast(mtype: MType)
        do
-               if mtype isa MNullableType then mtype = mtype.mtype
                if mtype.need_anchor then
                        live_open_cast_types.add(mtype)
                else
-                       assert mtype isa MClassType
                        live_cast_types.add(mtype)
                end
        end