Author: Wim Lavrijsen <wlavrij...@lbl.gov>
Branch: cppyy-packaging
Changeset: r94857:05fdf73d5e42
Date: 2018-07-12 20:47 -0700
http://bitbucket.org/pypy/pypy/changeset/05fdf73d5e42/
Log: improved overload selection
diff --git a/pypy/module/_cppyy/interp_cppyy.py
b/pypy/module/_cppyy/interp_cppyy.py
--- a/pypy/module/_cppyy/interp_cppyy.py
+++ b/pypy/module/_cppyy/interp_cppyy.py
@@ -41,6 +41,7 @@
'void**' : 100,
'float' : 30,
'double' : 10,
+ 'bool' : 1,
'const string&' : 1, } # solves a specific string ctor overload
from rpython.rlib.listsort import make_timsort_class
@@ -414,8 +415,10 @@
def priority(self):
total_arg_priority = 0
- for p in [priority.get(arg_type, 0) for arg_type, arg_dflt in
self.arg_defs]:
- total_arg_priority += p
+ for arg_type, arg_dflt in self.arg_defs:
+ total_arg_priority += priority.get(arg_type, 0)
+ if '&&' in arg_type:
+ total_arg_priority += 100
return total_arg_priority
@rgc.must_be_light_finalizer
@@ -435,7 +438,7 @@
class CPPSetItem(CPPMethod):
"""Method dispatcher specific to Python's __setitem__ mapped onto C++'s
- operator[](int). The former function takes an extra argument to assign to
+ operator[](T). The former function takes an extra argument to assign to
the return type of the latter."""
_attrs_ = []
@@ -586,6 +589,14 @@
sig += '\n'+self.functions[i].prototype()
return self.space.newtext(sig)
+ @unwrap_spec(signature='text')
+ def mp_overload(self, signature):
+ sig = '(%s)' % signature
+ for f in self.functions:
+ if f.signature(False) == sig:
+ return type(self)(self.space, self.scope, [f])
+ raise oefmt(self.space.w_LookupError, "signature \"%s\" not found" %
signature)
+
# allow user to determine ffi use rules per overload
def fget_useffi(self, space):
return space.newbool(bool(self.flags & OVERLOAD_FLAGS_USE_FFI))
@@ -609,10 +620,11 @@
W_CPPOverload.typedef = TypeDef(
'CPPOverload',
- __get__ = interp2app(W_CPPOverload.descr_get),
- __call__ = interp2app(W_CPPOverload.call_args),
- __useffi__ = GetSetProperty(W_CPPOverload.fget_useffi,
W_CPPOverload.fset_useffi),
- __doc__ = GetSetProperty(W_CPPOverload.fget_doc)
+ __get__ = interp2app(W_CPPOverload.descr_get),
+ __call__ = interp2app(W_CPPOverload.call_args),
+ __useffi__ = GetSetProperty(W_CPPOverload.fget_useffi,
W_CPPOverload.fset_useffi),
+ __overload__ = interp2app(W_CPPOverload.mp_overload),
+ __doc__ = GetSetProperty(W_CPPOverload.fget_doc)
)
@@ -641,10 +653,11 @@
W_CPPStaticOverload.typedef = TypeDef(
'CPPStaticOverload',
- __get__ = interp2app(W_CPPStaticOverload.descr_get),
- __call__ = interp2app(W_CPPStaticOverload.call_args),
- __useffi__ = GetSetProperty(W_CPPStaticOverload.fget_useffi,
W_CPPStaticOverload.fset_useffi),
- __doc__ = GetSetProperty(W_CPPStaticOverload.fget_doc)
+ __get__ = interp2app(W_CPPStaticOverload.descr_get),
+ __call__ = interp2app(W_CPPStaticOverload.call_args),
+ __useffi__ = GetSetProperty(W_CPPStaticOverload.fget_useffi,
W_CPPStaticOverload.fset_useffi),
+ __overload__ = interp2app(W_CPPStaticOverload.mp_overload),
+ __doc__ = GetSetProperty(W_CPPStaticOverload.fget_doc)
)
@@ -670,9 +683,10 @@
W_CPPConstructorOverload.typedef = TypeDef(
'CPPConstructorOverload',
- __get__ = interp2app(W_CPPConstructorOverload.descr_get),
- __call__ = interp2app(W_CPPConstructorOverload.call_args),
- __doc__ = GetSetProperty(W_CPPConstructorOverload.fget_doc)
+ __get__ = interp2app(W_CPPConstructorOverload.descr_get),
+ __call__ = interp2app(W_CPPConstructorOverload.call_args),
+ __overload__ = interp2app(W_CPPConstructorOverload.mp_overload),
+ __doc__ = GetSetProperty(W_CPPConstructorOverload.fget_doc)
)
class W_CPPAbstractCtorOverload(W_CPPOverload):
@@ -852,11 +866,12 @@
W_CPPTemplateOverload.typedef = TypeDef(
'CPPTemplateOverload',
- __get__ = interp2app(W_CPPTemplateOverload.descr_get),
- __getitem__ = interp2app(W_CPPTemplateOverload.getitem),
- __call__ = interp2app(W_CPPTemplateOverload.call_args),
- __useffi__ = GetSetProperty(W_CPPTemplateOverload.fget_useffi,
W_CPPTemplateOverload.fset_useffi),
- __doc__ = GetSetProperty(W_CPPTemplateOverload.fget_doc)
+ __get__ = interp2app(W_CPPTemplateOverload.descr_get),
+ __getitem__ = interp2app(W_CPPTemplateOverload.getitem),
+ __call__ = interp2app(W_CPPTemplateOverload.call_args),
+ __useffi__ = GetSetProperty(W_CPPTemplateOverload.fget_useffi,
W_CPPTemplateOverload.fset_useffi),
+ __overload__ = interp2app(W_CPPTemplateOverload.mp_overload),
+ __doc__ = GetSetProperty(W_CPPTemplateOverload.fget_doc)
)
class W_CPPTemplateStaticOverload(W_CPPStaticOverload, TemplateOverloadMixin):
@@ -910,11 +925,12 @@
W_CPPTemplateStaticOverload.typedef = TypeDef(
'CPPTemplateStaticOverload',
- __get__ = interp2app(W_CPPTemplateStaticOverload.descr_get),
- __getitem__ = interp2app(W_CPPTemplateStaticOverload.getitem),
- __call__ = interp2app(W_CPPTemplateStaticOverload.call_args),
- __useffi__ = GetSetProperty(W_CPPTemplateStaticOverload.fget_useffi,
W_CPPTemplateStaticOverload.fset_useffi),
- __doc__ = GetSetProperty(W_CPPTemplateStaticOverload.fget_doc)
+ __get__ = interp2app(W_CPPTemplateStaticOverload.descr_get),
+ __getitem__ = interp2app(W_CPPTemplateStaticOverload.getitem),
+ __call__ = interp2app(W_CPPTemplateStaticOverload.call_args),
+ __useffi__ = GetSetProperty(W_CPPTemplateStaticOverload.fget_useffi,
W_CPPTemplateStaticOverload.fset_useffi),
+ __overload__ = interp2app(W_CPPTemplateStaticOverload.mp_overload),
+ __doc__ = GetSetProperty(W_CPPTemplateStaticOverload.fget_doc)
)
diff --git a/pypy/module/_cppyy/test/test_overloads.py
b/pypy/module/_cppyy/test/test_overloads.py
--- a/pypy/module/_cppyy/test/test_overloads.py
+++ b/pypy/module/_cppyy/test/test_overloads.py
@@ -58,15 +58,19 @@
c = c_overload()
raises(TypeError, c.__dispatch__, 'get_int', 12)
raises(LookupError, c.__dispatch__, 'get_int', 'does_not_exist')
- assert c.__dispatch__('get_int', 'a_overload*')(a_overload()) == 42
- assert c.__dispatch__('get_int', 'b_overload*')(b_overload()) == 13
+ assert c.__dispatch__('get_int', 'a_overload*')(a_overload())
== 42
+ assert c_overload.get_int.__overload__('a_overload*')(c, a_overload())
== 42
+ assert c.__dispatch__('get_int', 'b_overload*')(b_overload())
== 13
+ assert c_overload.get_int.__overload__('b_overload*')(c, b_overload())
== 13
assert c_overload().__dispatch__('get_int',
'a_overload*')(a_overload()) == 42
# TODO: #assert c_overload.__dispatch__('get_int', 'b_overload*')(c,
b_overload()) == 13
d = d_overload()
- assert d.__dispatch__('get_int', 'a_overload*')(a_overload()) == 42
- assert d.__dispatch__('get_int', 'b_overload*')(b_overload()) == 13
+ assert d.__dispatch__('get_int', 'a_overload*')(a_overload())
== 42
+ assert d_overload.get_int.__overload__('a_overload*')(d, a_overload())
== 42
+ assert d.__dispatch__('get_int', 'b_overload*')(b_overload())
== 13
+ assert d_overload.get_int.__overload__('b_overload*')(d, b_overload())
== 13
nb = ns_a_overload.b_overload()
raises(TypeError, nb.f, c_overload())
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