polymake_oscarnumber: disable gc free callbacks during exit

Project.toml

@@ -1,7 +1,7 @@
 name = "Polymake"
 uuid = "d720cf60-89b5-51f5-aff5-213f193123e7"
 repo = "https://github.com/oscar-system/Polymake.jl.git"
-version = "0.11.3"
+version = "0.11.4"
 
 [deps]
 BinaryWrappers = "f01c122e-0ea1-4f85-ad8f-907073ad7a9f"
@@ -35,4 +35,4 @@ julia = "^1.6"
 lib4ti2_jll = "^1.6.10"
 libpolymake_julia_jll = "~0.10.3"
 polymake_jll = "^400.900.0"
-polymake_oscarnumber_jll = "~0.2.2"
+polymake_oscarnumber_jll = "~0.2.5"

src/Polymake.jl

@@ -281,7 +281,12 @@ function __init__()
     if isdefined(Main, :IJulia) && Main.IJulia.inited
         prepare_jupyter_kernel_for_visualization()
     end
-
+    # this will disable callbacks for oscarnumber gc free calls
+    # to avoid some crashes during exit
+    # the data will be cleaned anyway once the iddict is cleared
+    Base.atexit() do
+        Polymake.oscarnumber_prepare_cleanup()
+    end
 end
 
 include("setup_apps.jl")

src/perlobj.jl

@@ -19,6 +19,12 @@ function bigobject(fname::String, name::String; kwargsdata...)
     return obj
 end
 
+function bigobject_eltype(obj::BigObject)
+   res = call_function(:User, :get_bigobject_elemtype, obj)
+   res isa CxxWrap.StdString && !isempty(res) || error("could not determine element type of BigObject")
+   return String(res)
+end
+
 # polymake can either just give a reference or do a full copy.
 # but even that full copy will contain references to the same data
 # objects in memory, but this is fine since most of them are immutable anyway.

src/polymake/julia.rules

@@ -99,3 +99,13 @@ function set_shell_scalar($,$) {
    no strict 'refs';
    ${"Polymake::User::$varname"} = $obj;
 }
+
+sub get_bigobject_elemtype($) {
+   my $params = $_[0]->type->params;
+   return "" unless defined($params) && @$params > 0;
+   if ($params->[0]->name =~ /^Min|Max$/) {
+      return $params->[1]->name;
+   } else {
+      return $params->[0]->name;
+   }
+}

test/perlobj.jl

@@ -95,7 +95,9 @@
 
         @test (@pm tropical.Polytope{Max}(POINTS=points_int)) isa Polymake.BigObject
 
-        @test (@pm tropical.Polytope{Max}(POINTS=points_int)) isa Polymake.BigObject
+        tp = @pm tropical.Polytope{Max}(POINTS=points_int)
+        @test Polymake.bigobject_eltype(tp) == "Rational"
+
         @test (@pm tropical.Polytope{Max, Rational}(POINTS=points_int)) isa Polymake.BigObject
         @test (@pm tropical.Polytope{Max, QuadraticExtension}(POINTS=points_int)) isa Polymake.BigObject
 
@@ -108,10 +110,12 @@
         @test P.VERTICES isa Polymake.Matrix{Float64}
         P = @pm polytope.Polytope{Float}(POINTS=[1 0.5 0; 1 0 1])
         @test P.VERTICES isa Polymake.Matrix{Float64}
+        @test Polymake.bigobject_eltype(P) == "Float"
         P = @pm polytope.Polytope(POINTS=[1 0.5 0; 1 0 1])
         @test P.VERTICES isa Polymake.Matrix{Polymake.Rational}
         P = @pm polytope.Polytope{Rational}(POINTS=[1 0.5 0; 1 0 1])
         @test P.VERTICES isa Polymake.Matrix{Polymake.Rational}
+        @test Polymake.bigobject_eltype(P) == "Rational"
     end
 
     @testset verbose=true "PolymakeException" begin
@@ -141,6 +145,7 @@
         i = Polymake.polytope.icosahedron()
         @test i.VERTICES[1, :] == [1, 0, Polymake.QuadraticExtension{Polymake.Rational}(1//4, 1//4, 5), 1//2]
         @test i.VOLUME == Polymake.QuadraticExtension{Polymake.Rational}(5//4, 5//12, 5)
+        @test Polymake.bigobject_eltype(i) == "QuadraticExtension"
     end
 
     @testset verbose=true "attachments" begin