SWAMPy

✎ CARVE FLESH

EDITING: commontypes.py

import sys
from . import model
from .error import FFIError

COMMON_TYPES = {}

try:
    # fetch "bool" and all simple Windows types
    from _cffi_backend import _get_common_types
    _get_common_types(COMMON_TYPES)
except ImportError:
    pass

COMMON_TYPES['FILE'] = model.unknown_type('FILE', '_IO_FILE')
COMMON_TYPES['bool'] = '_Bool'    # in case we got ImportError above

for _type in model.PrimitiveType.ALL_PRIMITIVE_TYPES:
    if _type.endswith('_t'):
        COMMON_TYPES[_type] = _type
del _type

_CACHE = {}

def resolve_common_type(parser, commontype):
    try:
        return _CACHE[commontype]
    except KeyError:
        cdecl = COMMON_TYPES.get(commontype, commontype)
        if not isinstance(cdecl, str):
            result, quals = cdecl, 0    # cdecl is already a BaseType
        elif cdecl in model.PrimitiveType.ALL_PRIMITIVE_TYPES:
            result, quals = model.PrimitiveType(cdecl), 0
        elif cdecl == 'set-unicode-needed':
            raise FFIError("The Windows type %r is only available after "
                           "you call ffi.set_unicode()" % (commontype,))
        else:
            if commontype == cdecl:
                raise FFIError(
                    "Unsupported type: %r.  Please look at "
        "http://cffi.readthedocs.io/en/latest/cdef.html#ffi-cdef-limitations "
                    "and file an issue if you think this type should really "
                    "be supported." % (commontype,))
            result, quals = parser.parse_type_and_quals(cdecl)   # recursive

assert isinstance(result, model.BaseTypeByIdentity)
        _CACHE[commontype] = result, quals
        return result, quals

# ____________________________________________________________
# extra types for Windows (most of them are in commontypes.c)

def win_common_types():
    return {
        "UNICODE_STRING": model.StructType(
            "_UNICODE_STRING",
            ["Length",
             "MaximumLength",
             "Buffer"],
            [model.PrimitiveType("unsigned short"),
             model.PrimitiveType("unsigned short"),
             model.PointerType(model.PrimitiveType("wchar_t"))],
            [-1, -1, -1]),
        "PUNICODE_STRING": "UNICODE_STRING *",
        "PCUNICODE_STRING": "const UNICODE_STRING *",

"TBYTE": "set-unicode-needed",
        "TCHAR": "set-unicode-needed",
        "LPCTSTR": "set-unicode-needed",
        "PCTSTR": "set-unicode-needed",
        "LPTSTR": "set-unicode-needed",
        "PTSTR": "set-unicode-needed",
        "PTBYTE": "set-unicode-needed",
        "PTCHAR": "set-unicode-needed",
        }

if sys.platform == 'win32':
    COMMON_TYPES.update(win_common_types())

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 __pycache__/	DIR	—	2024-10-01 13:53
📄 __init__.py	PY	479 B	2018-02-27 18:15	EDIT
📄 _cffi_errors.h	H	3.7 KB	2018-02-27 18:15	EDIT
📄 _cffi_include.h	H	11.9 KB	2018-02-27 18:15	EDIT
📄 _embedding.h	H	15.7 KB	2018-02-27 18:15	EDIT
📄 api.py	PY	39.7 KB	2023-10-14 23:41	EDIT
📄 backend_ctypes.py	PY	41.1 KB	2018-02-27 18:15	EDIT
📄 cffi_opcode.py	PY	5.6 KB	2018-02-27 18:15	EDIT
📄 commontypes.py	PY	2.6 KB	2018-02-27 18:15	EDIT
📄 cparser.py	PY	38.3 KB	2018-02-27 18:15	EDIT
📄 error.py	PY	666 B	2018-02-27 18:15	EDIT
📄 ffiplatform.py	PY	4 KB	2018-02-27 18:15	EDIT
📄 lock.py	PY	747 B	2018-02-27 18:15	EDIT
📄 model.py	PY	21 KB	2018-02-27 18:15	EDIT
📄 parse_c_type.h	H	5.8 KB	2018-02-27 18:15	EDIT
📄 recompiler.py	PY	61.9 KB	2018-02-27 18:15	EDIT
📄 setuptools_ext.py	PY	8 KB	2018-02-27 18:15	EDIT
📄 vengine_cpy.py	PY	40.5 KB	2018-02-27 18:15	EDIT
📄 vengine_gen.py	PY	26.1 KB	2018-02-27 18:15	EDIT
📄 verifier.py	PY	10.9 KB	2018-02-27 18:15	EDIT