1. 17 Sep, 2015 1 commit
  2. 16 Sep, 2015 4 commits
    • Kevin Modzelewski's avatar
      Merge pull request #920 from kmod/heaptype · 60bab2ea
      Kevin Modzelewski authored
      Match cpython's HEAPTYPE flag
      60bab2ea
    • Kevin Modzelewski's avatar
      Add CPython's test_pickle.py · 95017841
      Kevin Modzelewski authored
      95017841
    • Kevin Modzelewski's avatar
      Improve pickling of builtins · 5a04076c
      Kevin Modzelewski authored
      5a04076c
    • Kevin Modzelewski's avatar
      Match cpython's HEAPTYPE flag · 3b40ed33
      Kevin Modzelewski authored
      It's supposed to mean "whether this type is heap allocated", but
      it gets used as "is this a builtin/extension type".  We heap-allocate
      our builtin types so we were setting HEAPTYPE, but this keeps on
      causing issues.  I don't think anything actually uses HEAPTYPE to mean
      it's on the stack or heap, so let's just set them all to be HEAPTYPE=0.
      
      For better or worse, I ended up implementing this by changing the builtin
      types from BoxedHeapClasses to BoxedClasses, which seems to make sense.
      This had the effect of changing the existence of the tp_as_foo structs,
      which get automatically created for HeapClasses but not for non-heap classes.
      So most of the changes in this commit are trying to make sure that we
      have those when CPython has them.
      3b40ed33
  3. 14 Sep, 2015 2 commits
    • Kevin Modzelewski's avatar
      Merge pull request #913 from kmod/sqlalchemy · 28a969c2
      Kevin Modzelewski authored
      Get more of the sqlalchemy tests working
      28a969c2
    • Kevin Modzelewski's avatar
      dict: the gc can resurrect objects after dealloc · 83379f19
      Kevin Modzelewski authored
      so object's can be resurrected even with a non-resurrecting
      tp_dealloc.  The only thing that can happen at that point is
      that the gc_visit function will get called.
      
      This shows up in the new sqlalchemy tests: they use a subclass
      of dict (defaultdict), which defines a custom tp_dealloc.  We call that,
      which ends up calling dict_cls->tp_dealloc, which calls ~DenseMap
      on the internal DenseMap.  The GC will accidentally keep the object
      alive (via a stack reference or something similar), and call its
      visit function on the next GC.  But ~DenseMap does not leave the map
      in a consistent state, so iterating over it will end up producing
      garbage values.  To solve this, add a new function that does
      all the same memory-freeing, but does a tiny bit of extra work to keep
      the DenseMap in a valid state for future gc_visit calls.
      83379f19
  4. 11 Sep, 2015 5 commits
  5. 10 Sep, 2015 5 commits
  6. 09 Sep, 2015 4 commits
    • Kevin Modzelewski's avatar
      Merge pull request #908 from undingen/fix_set_cmp · 9df41bb5
      Kevin Modzelewski authored
      Fix set comparisons
      9df41bb5
    • Marius Wachtler's avatar
      Fix set comparisons · b91071cd
      Marius Wachtler authored
      b91071cd
    • Kevin Modzelewski's avatar
      Merge pull request #905 from kmod/change_numdefaults · 54a9559e
      Kevin Modzelewski authored
      Allow changing the number of default arguments
      54a9559e
    • Kevin Modzelewski's avatar
      Allow changing the number of default arguments · df2808da
      Kevin Modzelewski authored
      We already supported changing the values, but not the number
      of them.  The main trickiness here is
      - We had been assuming that the number of defaults was immutable,
        so I had to find the places that we used it and add invalidation.
      - We assumed that all functions based on the same source function would
        have the same number of defaults.
      
      For the first one, I found all the places that looked at the defaults array,
      which should hopefully be all the places that need invalidation.
      
      One tricky part is that we will embed the num_defaults data into code produced
      by the LLVM tier, and we currently don't have any mechanism for invalidating
      those functions.  This commit side-steps around that since the only functions that
      we can inline are the builtins, and those you aren't allowed to change the defaults
      anyway.  So I added a "can_change_defaults" flag.
      
      For the second part, I moved "num_defaults" from the CLFunction (our "code" object)
      to the BoxedFunction (our "function" object), and then changed the users to pull
      it from there.
      df2808da
  7. 08 Sep, 2015 11 commits
  8. 07 Sep, 2015 2 commits
  9. 04 Sep, 2015 6 commits