Commit 50bab2d6 authored by Robert Bradshaw's avatar Robert Bradshaw

tp_new, etc. cleanup

parent 4a0ad3fb
......@@ -628,10 +628,8 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
"%s;"
% scope.parent_type.declaration_code("p"))
if base_type:
entry = scope.parent_scope.lookup_here(scope.parent_type.base_type.name)
if scope.parent_scope is base_type.scope.parent_scope and entry.visibility != 'extern':
tp_new = TypeSlots.InternalMethodSlot("tp_new").slot_code(base_type.scope)
else:
tp_new = TypeSlots.get_base_slot_function(scope, tp_slot)
if tp_new is None:
tp_new = "%s->tp_new" % base_type.typeptr_cname
code.putln(
"PyObject *o = %s(t, a, k);" % tp_new)
......@@ -691,10 +689,8 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
for entry in py_attrs:
code.put_xdecref("p->%s" % entry.cname, entry.type)
if base_type:
entry = scope.parent_scope.lookup_here(scope.parent_type.base_type.name)
if scope.parent_scope is base_type.scope.parent_scope and entry.visibility != 'extern':
tp_dealloc = TypeSlots.InternalMethodSlot("tp_dealloc").slot_code(base_type.scope)
else:
tp_dealloc = TypeSlots.get_base_slot_function(scope, tp_slot)
if tp_dealloc is None:
tp_dealloc = "%s->tp_dealloc" % base_type.typeptr_cname
code.putln(
"%s(o);" % tp_dealloc)
......@@ -747,10 +743,9 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
self.generate_self_cast(scope, code)
if base_type:
# want to call it explicitly if possible so inlining can be performed
parent_slot = tp_slot.slot_code(base_type.scope)
entry = scope.parent_scope.lookup_here(scope.parent_type.base_type.name)
if scope.parent_scope is base_type.scope.parent_scope and parent_slot != '0' and entry.visibility != 'extern':
code.putln("e = %s(o, v, a); if (e) return e;" % parent_slot)
static_call = TypeSlots.get_base_slot_function(scope, tp_slot)
if static_call:
code.putln("e = %s(o, v, a); if (e) return e;" % static_call)
else:
code.putln("if (%s->tp_traverse) {" % base_type.typeptr_cname)
code.putln(
......@@ -791,10 +786,9 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
code.putln("PyObject* tmp;")
if base_type:
# want to call it explicitly if possible so inlining can be performed
parent_slot = tp_slot.slot_code(base_type.scope)
entry = scope.parent_scope.lookup_here(scope.parent_type.base_type.name)
if scope.parent_scope is base_type.scope.parent_scope and parent_slot != '0' and entry.visibility != 'extern':
code.putln("%s(o);" % parent_slot)
static_call = TypeSlots.get_base_slot_function(scope, tp_slot)
if static_call:
code.putln("%s(o);" % static_call)
else:
code.putln("if (%s->tp_clear) {" % base_type.typeptr_cname)
code.putln("%s->tp_clear(o);" % base_type.typeptr_cname)
......
......@@ -398,6 +398,19 @@ def get_property_accessor_signature(name):
# property, else None.
return property_accessor_signatures.get(name)
def get_base_slot_function(scope, slot):
# Returns the function implementing this slot in the baseclass.
# This is useful for enabling the compiler to optimize calls
# that recursively climb the class hierarchy.
base_type = scope.parent_type.base_type
if scope.parent_scope is base_type.scope.parent_scope:
parent_slot = slot.slot_code(base_type.scope)
if parent_slot != '0':
entry = scope.parent_scope.lookup_here(scope.parent_type.base_type.name)
if entry.visibility != 'extern':
return parent_slot
return None
#------------------------------------------------------------------------------------------
#
# Signatures for generic Python functions and methods.
......
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