cffi unistd

[Vladislav Volkov]

user@user-pc  ~/Projects/python-MIL-STD-1553B/cffi/lin/abi  master ● ?  python3 ./abi-test.py   
Traceback (most recent call last):

  File "/home/user/.local/lib/python3.5/site-packages/cffi/cparser.py", line 276, in _parse

    ast = _get_parser().parse(fullcsource)

  File "/home/user/.local/lib/python3.5/site-packages/pycparser/c_parser.py", line 152, in parse

    debug=debuglevel)

  File "/home/user/.local/lib/python3.5/site-packages/pycparser/ply/yacc.py", line 331, in parse

    return self.parseopt_notrack(input, lexer, debug, tracking, tokenfunc)

  File "/home/user/.local/lib/python3.5/site-packages/pycparser/ply/yacc.py", line 1199, in parseopt_notrack

    tok = call_errorfunc(self.errorfunc, errtoken, self)

  File "/home/user/.local/lib/python3.5/site-packages/pycparser/ply/yacc.py", line 193, in call_errorfunc

    r = errorfunc(token)

  File "/home/user/.local/lib/python3.5/site-packages/pycparser/c_parser.py", line 1761, in p_error

    column=self.clex.find_tok_column(p)))

  File "/home/user/.local/lib/python3.5/site-packages/pycparser/plyparser.py", line 66, in _parse_error

    raise ParseError("%s: %s" % (coord, msg))

pycparser.plyparser.ParseError: /usr/include/unistd.h:290:52: before: __attribute__

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "./abi-test.py", line 7, in <module>

    ffi.cdef(fin.read())

  File "/home/user/.local/lib/python3.5/site-packages/cffi/api.py", line 107, in cdef

    self._cdef(csource, override=override, packed=packed)

  File "/home/user/.local/lib/python3.5/site-packages/cffi/api.py", line 121, in _cdef

    self._parser.parse(csource, override=override, **options)

  File "/home/user/.local/lib/python3.5/site-packages/cffi/cparser.py", line 315, in parse

    self._internal_parse(csource)

  File "/home/user/.local/lib/python3.5/site-packages/cffi/cparser.py", line 320, in _internal_parse

    ast, macros, csource = self._parse(csource)

  File "/home/user/.local/lib/python3.5/site-packages/cffi/cparser.py", line 278, in _parse

    self.convert_pycparser_error(e, csource)

  File "/home/user/.local/lib/python3.5/site-packages/cffi/cparser.py", line 307, in convert_pycparser_error

    raise CDefError(msg)

cffi.error.CDefError: parse error

/usr/include/unistd.h:290:52: before: __attribute__

[Armin Rigo]

Hi,

It seems you have attached "ltmk.h", but your api-build.py tries to
open "_ltmk.h". I think they are different files, because I get an
earlier error with ltmk.h (which makes sense, because #ifdef is not
supported in cdef).


A bientôt,

Armin.

[Vladislav Volkov]

Hi

Thanks for answer, but here _ltmk.h = 'gcc -E ltmk.h > _ltmk.h' 

Vladislav

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[Armin Rigo]

Hi,

On 28 November 2017 at 09:07, Vladislav Volkov <zloyv...@gmail.com> wrote:
> Thanks for answer, but here _ltmk.h = 'gcc -E ltmk.h > _ltmk.h'

Then it's no surprize it doesn't work. cdef() is not meant to parse
random .h files, but knows only a subset of what you usually put in a
.h file. I would recommend to try simplifying more the "ltmk.h" file,
by hand, until you're left only with type and function declarations
and #define NAME INTEGER_VALUE.


A bientôt,

Armin.