Ejemplo n.º 1
0
def get_converter(space, name, default):
    # The matching of the name to a converter should follow:
    #   1) full, exact match
    #       1a) const-removed match
    #   2) match of decorated, unqualified type
    #   3) accept ref as pointer (for the stubs, const& can be
    #       by value, but that does not work for the ffi path)
    #   4) generalized cases (covers basically all user classes)
    #   5) void converter, which fails on use

    name = capi.c_resolve_name(space, name)

    #   1) full, exact match
    try:
        return _converters[name](space, default)
    except KeyError:
        pass

    #   1a) const-removed match
    try:
        return _converters[helper.remove_const(name)](space, default)
    except KeyError:
        pass

    #   2) match of decorated, unqualified type
    compound = helper.compound(name)
    clean_name = capi.c_resolve_name(space, helper.clean_type(name))
    try:
        # array_index may be negative to indicate no size or no size found
        array_size = helper.array_size(name)
        return _a_converters[clean_name + compound](space, array_size)
    except KeyError:
        pass

    #   3) TODO: accept ref as pointer

    #   4) generalized cases (covers basically all user classes)
    from pypy.module.cppyy import interp_cppyy
    cppclass = interp_cppyy.scope_byname(space, clean_name)
    if cppclass:
        # type check for the benefit of the annotator
        from pypy.module.cppyy.interp_cppyy import W_CPPClass
        cppclass = space.interp_w(W_CPPClass, cppclass, can_be_None=False)
        if compound == "*":
            return InstancePtrConverter(space, cppclass)
        elif compound == "&":
            return InstanceRefConverter(space, cppclass)
        elif compound == "**":
            return InstancePtrPtrConverter(space, cppclass)
        elif compound == "":
            return InstanceConverter(space, cppclass)
    elif capi.c_is_enum(space, clean_name):
        return _converters['unsigned'](space, default)

    #   5) void converter, which fails on use
    #
    # return a void converter here, so that the class can be build even
    # when some types are unknown; this overload will simply fail on use
    return VoidConverter(space, name)
Ejemplo n.º 2
0
def get_converter(space, name, default):
    # The matching of the name to a converter should follow:
    #   1) full, exact match
    #       1a) const-removed match
    #   2) match of decorated, unqualified type
    #   3) accept ref as pointer (for the stubs, const& can be
    #       by value, but that does not work for the ffi path)
    #   4) generalized cases (covers basically all user classes)
    #   5) void converter, which fails on use

    name = capi.c_resolve_name(space, name)

    #   1) full, exact match
    try:
        return _converters[name](space, default)
    except KeyError:
        pass

    #   1a) const-removed match
    try:
        return _converters[helper.remove_const(name)](space, default)
    except KeyError:
        pass

    #   2) match of decorated, unqualified type
    compound = helper.compound(name)
    clean_name = capi.c_resolve_name(space, helper.clean_type(name))
    try:
        # array_index may be negative to indicate no size or no size found
        array_size = helper.array_size(name)
        return _a_converters[clean_name+compound](space, array_size)
    except KeyError:
        pass

    #   3) TODO: accept ref as pointer

    #   4) generalized cases (covers basically all user classes)
    from pypy.module.cppyy import interp_cppyy
    cppclass = interp_cppyy.scope_byname(space, clean_name)
    if cppclass:
        # type check for the benefit of the annotator
        from pypy.module.cppyy.interp_cppyy import W_CPPClass
        cppclass = space.interp_w(W_CPPClass, cppclass, can_be_None=False)
        if compound == "*":
            return InstancePtrConverter(space, cppclass)
        elif compound == "&":
            return InstanceRefConverter(space, cppclass)
        elif compound == "**":
            return InstancePtrPtrConverter(space, cppclass)
        elif compound == "":
            return InstanceConverter(space, cppclass)
    elif capi.c_is_enum(space, clean_name):
        return _converters['unsigned'](space, default)

    #   5) void converter, which fails on use
    #
    # return a void converter here, so that the class can be build even
    # when some types are unknown; this overload will simply fail on use
    return VoidConverter(space, name)
Ejemplo n.º 3
0
def get_executor(space, name):
    # Matching of 'name' to an executor factory goes through up to four levels:
    #   1) full, qualified match
    #   2) drop '&': by-ref is pretty much the same as by-value, python-wise
    #   3) types/classes, either by ref/ptr or by value
    #   4) additional special cases
    #
    # If all fails, a default is used, which can be ignored at least until use.

    name = capi.c_resolve_name(space, name)

    #   1) full, qualified match
    try:
        return _executors[name](space, None)
    except KeyError:
        pass

    compound = helper.compound(name)
    clean_name = capi.c_resolve_name(space, helper.clean_type(name))

    #   1a) clean lookup
    try:
        return _executors[clean_name + compound](space, None)
    except KeyError:
        pass

    #   2) drop '&': by-ref is pretty much the same as by-value, python-wise
    if compound and compound[len(compound) - 1] == '&':
        # TODO: this does not actually work with Reflex (?)
        try:
            return _executors[clean_name](space, None)
        except KeyError:
            pass

    #   3) types/classes, either by ref/ptr or by value
    from pypy.module.cppyy import interp_cppyy
    cppclass = interp_cppyy.scope_byname(space, clean_name)
    if cppclass:
        # type check for the benefit of the annotator
        from pypy.module.cppyy.interp_cppyy import W_CPPClass
        cppclass = space.interp_w(W_CPPClass, cppclass, can_be_None=False)
        if compound == '':
            return InstanceExecutor(space, cppclass)
        elif compound == '*' or compound == '&':
            return InstancePtrExecutor(space, cppclass)
        elif compound == '**' or compound == '*&':
            return InstancePtrPtrExecutor(space, cppclass)
    elif capi.c_is_enum(space, clean_name):
        return _executors['unsigned int'](space, None)

    # 4) additional special cases
    if compound == '*':
        return _executors['void*'](
            space, None)  # allow at least passing of the pointer

    # currently used until proper lazy instantiation available in interp_cppyy
    return FunctionExecutor(space, None)
Ejemplo n.º 4
0
def get_executor(space, name):
    # Matching of 'name' to an executor factory goes through up to four levels:
    #   1) full, qualified match
    #   2) drop '&': by-ref is pretty much the same as by-value, python-wise
    #   3) types/classes, either by ref/ptr or by value
    #   4) additional special cases
    #
    # If all fails, a default is used, which can be ignored at least until use.

    name = capi.c_resolve_name(space, name)

    #   1) full, qualified match
    try:
        return _executors[name](space, None)
    except KeyError:
        pass

    compound = helper.compound(name)
    clean_name = capi.c_resolve_name(space, helper.clean_type(name))

    #   1a) clean lookup
    try:
        return _executors[clean_name+compound](space, None)
    except KeyError:
        pass

    #   2) drop '&': by-ref is pretty much the same as by-value, python-wise
    if compound and compound[len(compound)-1] == '&':
        # TODO: this does not actually work with Reflex (?)
        try:
            return _executors[clean_name](space, None)
        except KeyError:
            pass

    #   3) types/classes, either by ref/ptr or by value
    from pypy.module.cppyy import interp_cppyy
    cppclass = interp_cppyy.scope_byname(space, clean_name)
    if cppclass:
        # type check for the benefit of the annotator
        from pypy.module.cppyy.interp_cppyy import W_CPPClass
        cppclass = space.interp_w(W_CPPClass, cppclass, can_be_None=False)
        if compound == '':
            return InstanceExecutor(space, cppclass)
        elif compound == '*' or compound == '&':
            return InstancePtrExecutor(space, cppclass)
        elif compound == '**' or compound == '*&':
            return InstancePtrPtrExecutor(space, cppclass)
    elif capi.c_is_enum(space, clean_name):
        return _executors['unsigned int'](space, None)

    # 4) additional special cases
    if compound == '*':
        return _executors['void*'](space, None)  # allow at least passing of the pointer

    # currently used until proper lazy instantiation available in interp_cppyy
    return FunctionExecutor(space, None)
Ejemplo n.º 5
0
def test_compound():
    assert helper.compound("int*") == "*"
    assert helper.compound("int* const *&") == "**&"
    assert helper.compound("std::vector<int>*") == "*"
    assert helper.compound("unsigned long int[5]") == "[]"
    assert helper.array_size("unsigned long int[5]") == 5
Ejemplo n.º 6
0
def test_compound():
    assert helper.compound("int*") == "*"
    assert helper.compound("int* const *&") == "**&"
    assert helper.compound("std::vector<int>*") == "*"
    assert helper.compound("unsigned long int[5]") == "[]"
    assert helper.array_size("unsigned long int[5]") == 5