trolldbois
commented
3 years ago All 3 issues are due to python version. The code is python 3.8 and later.
Closed FloSim82 closed 2 years ago
trolldbois
commented
3 years ago All 3 issues are due to python version. The code is python 3.8 and later.
FloSim82
commented
3 years ago Thanks for your answer, indeed it works with python 3.8. I did not find any information concerning this requirement, can you ideally please some info in your home page? Thanks
FloSim82
commented
3 years ago One more question, once again related to Ubuntu distributions. I took the basic "t.c"' example found in https://pypi.org/project/ctypeslib2/.
1- launch clang2py on Ubuntu 16.04
~$ clang2py t.c --debug
returns nothing, whereas it should return an output. Is it normal?
2- launch clang2py on Ubuntu 18.04
~$ clang2py t.c --debug
returns the following, which is not the same exact expected output. Is it normal?
# -*- coding: utf-8 -*-
#
# TARGET arch is: []
# WORD_SIZE is: 8
# POINTER_SIZE is: 8
# LONGDOUBLE_SIZE is: 16
#
import ctypes
class AsDictMixin:
@classmethod
def as_dict(cls, self):
result = {}
if not isinstance(self, AsDictMixin):
# not a structure, assume it's already a python object
return self
if not hasattr(cls, "_fields_"):
return result
# sys.version_info >= (3, 5)
# for (field, *_) in cls._fields_: # noqa
for field_tuple in cls._fields_: # noqa
field = field_tuple[0]
if field.startswith('PADDING_'):
continue
value = getattr(self, field)
type_ = type(value)
if hasattr(value, "_length_") and hasattr(value, "_type_"):
# array
if not hasattr(type_, "as_dict"):
value = [v for v in value]
else:
type_ = type_._type_
value = [type_.as_dict(v) for v in value]
elif hasattr(value, "contents") and hasattr(value, "_type_"):
# pointer
try:
if not hasattr(type_, "as_dict"):
value = value.contents
else:
type_ = type_._type_
value = type_.as_dict(value.contents)
except ValueError:
# nullptr
value = None
elif isinstance(value, AsDictMixin):
# other structure
value = type_.as_dict(value)
result[field] = value
return result
class Structure(ctypes.Structure, AsDictMixin):
def __init__(self, *args, **kwds):
# We don't want to use positional arguments fill PADDING_* fields
args = dict(zip(self.__class__._field_names_(), args))
args.update(kwds)
super(Structure, self).__init__(**args)
@classmethod
def _field_names_(cls):
if hasattr(cls, '_fields_'):
return (f[0] for f in cls._fields_ if not f[0].startswith('PADDING'))
else:
return ()
@classmethod
def get_type(cls, field):
for f in cls._fields_:
if f[0] == field:
return f[1]
return None
@classmethod
def bind(cls, bound_fields):
fields = {}
for name, type_ in cls._fields_:
if hasattr(type_, "restype"):
if name in bound_fields:
if bound_fields[name] is None:
fields[name] = type_()
else:
# use a closure to capture the callback from the loop scope
fields[name] = (
type_((lambda callback: lambda *args: callback(*args))(
bound_fields[name]))
)
del bound_fields[name]
else:
# default callback implementation (does nothing)
try:
default_ = type_(0).restype().value
except TypeError:
default_ = None
fields[name] = type_((
lambda default_: lambda *args: default_)(default_))
else:
# not a callback function, use default initialization
if name in bound_fields:
fields[name] = bound_fields[name]
del bound_fields[name]
else:
fields[name] = type_()
if len(bound_fields) != 0:
raise ValueError(
"Cannot bind the following unknown callback(s) {}.{}".format(
cls.__name__, bound_fields.keys()
))
return cls(**fields)
class Union(ctypes.Union, AsDictMixin):
pass
class struct_my_bitfield(Structure):
pass
struct_my_bitfield._pack_ = 1 # source:False
struct_my_bitfield._fields_ = [
('a', ctypes.c_int64, 3),
('b', ctypes.c_int64, 4),
('c', ctypes.c_int64, 3),
('d', ctypes.c_int64, 3),
('f', ctypes.c_int64, 2),
('PADDING_0', ctypes.c_uint64, 49),
]
__all__ = \
['struct_my_bitfield']Thanks.
FloSim82
commented
3 years ago 1- launch clang2py on Ubuntu 16.04
~$clang2py t.c --debugreturns nothing, whereas it should return an output. Is it normal?
I was able to have an output under Ubuntu 16.04 after installing LLVM 12 :) I also installed LLVM 13 on Ubuntu 18.04 machine. Hence, we have the same output on both (the "more complete one than on your doc", see above).
Now : I have DEBUG:cursorhandler:cursor.type:INVALID 'errors' leading to an empty output when parsing all files from a same directory (works with some files from here, but when adding other files I have this issue).
I think I'm not far from the solution, but do you know how could I resolve this issue? Do you need the complete log, or all H files?
Thank you
FloSim82
commented
3 years ago After some more analysis, it appears that the following #define is making the issue happen (that leads to an empty output, as a reminder) :
void log_print(const char * module, int options, int severity, const char * color, int output, const char * fmt, ...);
#define log_print_def(fmt, ...) log_print(NULL, 0, DEBUG_INFO, NULL, LOG_DEF_PRINT, fmt, ##__VA_ARGS__)
For info, in debug logs:
DEBUG:clangparser:/usr/include/dt-sdk/lib_logs.h:158: Found a MACRO_DEFINITION|log_print_def|log_print_def
DEBUG:handler:get_unique_name: name "log_print_def"
DEBUG:utils:MACRO_DEFINITION: displayname:'log_print_def'
DEBUG:handler:get_unique_name: name "log_print_def"
DEBUG:handler:get_unique_name: name "log_print_def"
DEBUG:utils:_literal_handling: displayname:'log_print_def'
DEBUG:cursorhandler:literal has 23 tokens.[ log_print_def ( fmt , ... ) log_print ( NULL , 0 , DEBUG_INFO , NULL , LOG_DEF_PRINT , fmt , ## __VA_ARGS__ ) ]
DEBUG:cursorhandler:cursor.type:INVALID
DEBUG:cursorhandler:token:log_print_def tk.kd: IDENTIFIER tk.cursor.kd:MACRO_DEFINITION cursor.kd:MACRO_DEFINITION
Do you know why this happen? Thanks again, and I apologize for my previous messages.
FloSim82
commented
2 years ago @trolldbois hello, any idea for this issue with this variadic arguments function ?
FloSim82
commented
2 years ago Hi, still anybody has a clue to avoid this issue?
FloSim82
commented
2 years ago Hello, I would like to know if maintenance is still ongoing on this library, because I still have the issue with #define based on a variadic function? Thanks
trolldbois
commented
2 years ago @FloSim82 Would you be able to open an issue, just for that, with a simple poc and the specific versions of python, clang and python clang package you are using ? Does not seem to be a problem in my tests.
FloSim82
commented
2 years ago Thanks for your answer. For the moment, after cleaning the libs and resintalling from scratch, I don't have any error anymore. If encountering again the variadic macro issue, I'll report a new bug.
FloSim82
commented
2 years ago Issue #106 has bee n reported for the latest issue, thanks again
Hello, i'm facing different issues when trying to use ctypeslib2 instead of ctypeslib. I listed them all above, and I'm sorry to use one ticket but I don't know if they are related...
1- Python2 installation issue
First, what I did is :
But I'm facing this issue :
2- Python2 Import issue
I tried on a Ubuntu 18.04 machine and it installed successfully the 2.3.2 version. But when I try to import
ctypeslibin python2 console, I see this issue :3- Python3 Import issue
Thus, I also tried with python3, it installed successfully the 2.3.2 version. But when I try to import
ctypeslibin python3 console, or when launching clang2py, I see this issue :Any ideas? Thanks!