def is_immutable( type_ ):
"""returns True, if type_ represents Python immutable type"""
return declarations.is_fundamental( type_ ) \
or declarations.is_enum( type_ ) \
or declarations.is_std_string( type_ ) \
or declarations.is_std_wstring( type_ ) \
or declarations.smart_pointer_traits.is_smart_pointer( type_ )
def wrap_one_call_policy(fn):
rt = fn.return_type
if fn.return_type.decl_string == "char const *":
return # use default for strings
if fn.return_type.decl_string == "char *":
return # use default for strings
elif fn.return_type.decl_string == "void *":
return # use default for void pointers
elif fn.return_type.decl_string == "::GLvoid const *":
return # use default for void pointers
parent_ref = declarations.reference_t(declarations.declarated_t(fn.parent))
if declarations.is_reference(rt):
# Need type without reference for next type checks
nonref_rt = rt.base
if declarations.is_arithmetic(nonref_rt) or declarations.is_enum(
nonref_rt):
# returning const& double can cause compile trouble if return_internal_reference is used
if declarations.is_const(nonref_rt):
fn.call_policies = return_value_policy(copy_const_reference)
return
# int& might need to be copy_non_const_reference...
else:
fn.call_policies = return_value_policy(
copy_non_const_reference)
return
# Const string references should be copied to python strings
if declarations.is_std_string(nonref_rt) and declarations.is_const(
nonref_rt):
fn.call_policies = return_value_policy(copy_const_reference)
return
# Returning reference to this same class looks like return_self() [does this always work?]
if declarations.is_same(parent_ref, rt):
fn.call_policies = return_self()
return
elif declarations.is_pointer(rt):
# Clone methods
if re.search(r'^clone', fn.name):
fn.call_policies = return_value_policy(reference_existing_object)
return
else:
return
# Everything else probably returns an internal reference
fn.call_policies = return_internal_reference()
return
def wrap_one_call_policy(fn):
rt = fn.return_type
if fn.return_type.decl_string == "char const *":
return # use default for strings
if fn.return_type.decl_string == "char *":
return # use default for strings
elif fn.return_type.decl_string == "void *":
return # use default for void pointers
elif fn.return_type.decl_string == "::GLvoid const *":
return # use default for void pointers
parent_ref = declarations.reference_t(declarations.declarated_t(fn.parent))
if declarations.is_reference(rt):
# Need type without reference for next type checks
nonref_rt = rt.base
if declarations.is_arithmetic(nonref_rt) or declarations.is_enum(nonref_rt):
# returning const& double can cause compile trouble if return_internal_reference is used
if declarations.is_const(nonref_rt):
fn.call_policies = return_value_policy(copy_const_reference)
return
# int& might need to be copy_non_const_reference...
else:
fn.call_policies = return_value_policy(copy_non_const_reference)
return
# Const string references should be copied to python strings
if declarations.is_std_string(nonref_rt) and declarations.is_const(nonref_rt):
fn.call_policies = return_value_policy(copy_const_reference)
return
# Returning reference to this same class looks like return_self() [does this always work?]
if declarations.is_same(parent_ref, rt):
fn.call_policies = return_self()
return
elif declarations.is_pointer(rt):
# Clone methods
if re.search(r'^clone', fn.name):
fn.call_policies = return_value_policy(reference_existing_object)
return
else:
return
# Everything else probably returns an internal reference
fn.call_policies = return_internal_reference()
return
def is_vector_of_strings(decl):
if not declarations.vector_traits.is_my_case(decl):
return False
return declarations.is_std_string(
declarations.vector_traits.element_type(decl))
# Find out the file location within the sources tree
this_module_dir_path = os.path.abspath(
os.path.dirname(sys.modules[__name__].__file__))
# Find out the c++ parser
generator_path, generator_name = utils.find_xml_generator()
# Configure the xml generator
xml_generator_config = parser.xml_generator_configuration_t(
xml_generator_path=generator_path, xml_generator=generator_name)
# The c++ file we want to parse
filename = "example.hpp"
filename = this_module_dir_path + "/" + filename
decls = parser.parse([filename], xml_generator_config)
global_namespace = declarations.get_global_namespace(decls)
ns = global_namespace.namespace("ns")
# Use the free_functions method to find our function
func = ns.free_function(name="myFunction")
# There are two arguments:
print(len(func.arguments))
# We can loop over them and print some information:
for arg in func.arguments:
print(arg.name, str(arg.decl_type),
declarations.is_std_string(arg.decl_type),
declarations.is_reference(arg.decl_type))
def is_vector_of_strings(decl):
if not declarations.vector_traits.is_my_case(decl):
return False
return declarations.is_std_string(declarations.vector_traits.element_type(decl))
# Find out the c++ parser
generator_path, generator_name = utils.find_xml_generator()
# Configure the xml generator
xml_generator_config = parser.xml_generator_configuration_t(
xml_generator_path=generator_path,
xml_generator=generator_name)
# The c++ file we want to parse
filename = "example.hpp"
filename = this_module_dir_path + "/" + filename
decls = parser.parse([filename], xml_generator_config)
global_namespace = declarations.get_global_namespace(decls)
ns = global_namespace.namespace("ns")
# Use the free_functions method to find our function
func = ns.free_function(name="myFunction")
# There are two arguments:
print(len(func.arguments))
# We can loop over them and print some information:
for arg in func.arguments:
print(
arg.name,
str(arg.decl_type),
declarations.is_std_string(arg.decl_type),
declarations.is_reference(arg.decl_type))
