Exemple #1
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def HPyModule_Create(space, ctx, hpydef):
    modname = rffi.constcharp2str(hpydef.c_m_name)
    w_mod = Module(space, space.newtext(modname))
    #
    # add the functions defined in hpydef.c_legacy_methods
    if hpydef.c_legacy_methods:
        if space.config.objspace.hpy_cpyext_API:
            pymethods = rffi.cast(rffi.VOIDP, hpydef.c_legacy_methods)
            attach_legacy_methods(space, pymethods, w_mod, modname)
        else:
            raise oefmt(
                space.w_RuntimeError,
                "Module %s contains legacy methods, but _hpy_universal "
                "was compiled without cpyext support", modname)
    #
    # add the native HPy defines
    if hpydef.c_defines:
        p = hpydef.c_defines
        i = 0
        while p[i]:
            # hpy native methods
            hpymeth = p[i].c_meth
            name = rffi.constcharp2str(hpymeth.c_name)
            sig = rffi.cast(lltype.Signed, hpymeth.c_signature)
            doc = get_doc(hpymeth.c_doc)
            w_extfunc = interp_extfunc.W_ExtensionFunction(
                space, name, sig, doc, hpymeth.c_impl, w_mod)
            space.setattr(w_mod, space.newtext(w_extfunc.name), w_extfunc)
            i += 1
    return handles.new(space, w_mod)
Exemple #2
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def add_slot_defs(space, ctx, w_result, c_defines):
    p = c_defines
    i = 0
    HPyDef_Kind = llapi.cts.gettype('HPyDef_Kind')
    while p[i]:
        kind = rffi.cast(lltype.Signed, p[i].c_kind)
        if kind == HPyDef_Kind.HPyDef_Kind_Slot:
            hpyslot = llapi.cts.cast('_pypy_HPyDef_as_slot*', p[i]).c_slot
            fill_slot(space, w_result, hpyslot)
        elif kind == HPyDef_Kind.HPyDef_Kind_Meth:
            hpymeth = p[i].c_meth
            name = rffi.constcharp2str(hpymeth.c_name)
            sig = rffi.cast(lltype.Signed, hpymeth.c_signature)
            doc = get_doc(hpymeth.c_doc)
            w_extfunc = W_ExtensionMethod(space, name, sig, doc,
                                          hpymeth.c_impl, w_result)
            w_result.setdictvalue(space, rffi.constcharp2str(hpymeth.c_name),
                                  w_extfunc)
        elif kind == HPyDef_Kind.HPyDef_Kind_Member:
            hpymember = llapi.cts.cast('_pypy_HPyDef_as_member*',
                                       p[i]).c_member
            add_member(space, w_result, hpymember)
        elif kind == HPyDef_Kind.HPyDef_Kind_GetSet:
            hpygetset = llapi.cts.cast('_pypy_HPyDef_as_getset*',
                                       p[i]).c_getset
            add_getset(space, w_result, hpygetset)
        else:
            raise oefmt(space.w_ValueError, "Unspported HPyDef.kind: %d", kind)
        i += 1
Exemple #3
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def add_member(space, w_type, hpymember):
    name = rffi.constcharp2str(hpymember.c_name)
    kind = rffi.cast(lltype.Signed, hpymember.c_type)
    offset = rffi.cast(lltype.Signed, hpymember.c_offset)
    readonly = rffi.cast(lltype.Signed, hpymember.c_readonly)
    doc = rffi.constcharp2str(hpymember.c_doc) if hpymember.c_doc else None
    w_descr = W_HPyMemberDescriptor(w_type, kind, name, doc, offset, readonly)
    w_type.setdictvalue(space, name, w_descr)
Exemple #4
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def _maybe_utf8_to_w(space, utf8):
    # should this be a method of space?
    s = rffi.constcharp2str(utf8)
    try:
        length = rutf8.check_utf8(s, allow_surrogates=False)
    except rutf8.CheckError:
        raise  # XXX do something
    return space.newtext(s, length)
Exemple #5
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    def set_error(self, space, code):
        err = rffi.constcharp2str(XML_ErrorString(code))
        lineno = XML_GetCurrentLineNumber(self.itself)
        colno = XML_GetCurrentColumnNumber(self.itself)
        msg = "%s: line %d, column %d" % (err, lineno, colno)
        w_errorcls = space.fromcache(Cache).w_error
        w_error = space.call_function(w_errorcls, space.newtext(msg))
        space.setattr(w_error, space.newtext("code"), space.newint(code))
        space.setattr(w_error, space.newtext("offset"), space.newint(colno))
        space.setattr(w_error, space.newtext("lineno"), space.newint(lineno))

        self.w_error = w_error
        return OperationError(w_errorcls, w_error)
Exemple #6
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    def w_convert_interned(self, space, data):
        if not data:
            return space.w_None
        w_data = self.w_convert(space, rffi.constcharp2str(data))
        if not self.w_intern:
            return w_data

        try:
            return space.getitem(self.w_intern, w_data)
        except OperationError as e:
            if not e.match(space, space.w_KeyError):
                raise
        space.setitem(self.w_intern, w_data, w_data)
        return w_data
Exemple #7
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 def __init__(self, w_type, hpygetset):
     self.hpygetset = hpygetset
     self.w_type = w_type
     #
     name = rffi.constcharp2str(hpygetset.c_name)
     doc = fset = fget = fdel = None
     if hpygetset.c_doc:
         doc = rffi.constcharp2str(hpygetset.c_doc)
     if hpygetset.c_getter_impl:
         fget = getset_get
     if hpygetset.c_setter_impl:
         fset = getset_set
         # XXX: write a test to check that 'del' works
         #fdel = ...
     GetSetProperty.__init__(self,
                             fget,
                             fset,
                             fdel,
                             doc,
                             cls=None,
                             use_closure=True,
                             tag="hpy_getset",
                             name=name)
Exemple #8
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def UnknownEncodingHandlerData_callback(ll_userdata, name, info):
    id = rffi.cast(lltype.Signed, ll_userdata)
    userdata = global_storage.get_object(id)
    space = userdata.space
    parser = userdata.parser()

    name = rffi.constcharp2str(name)

    try:
        parser.UnknownEncodingHandler(space, name, info)
    except OperationError as e:
        if not parser._exc_info:
            parser._exc_info = e
        XML_StopParser(parser.itself, XML_FALSE)
        result = 0
    else:
        result = 1
    return rffi.cast(rffi.INT, result)
Exemple #9
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def HPyType_FromSpec(space, ctx, spec, params):
    dict_w = {}
    specname = rffi.constcharp2str(spec.c_name)
    dotpos = specname.rfind('.')
    if dotpos < 0:
        name = specname
        modname = None
    else:
        name = specname[dotpos + 1:]
        modname = specname[:dotpos]

    if modname is not None:
        dict_w['__module__'] = space.newtext(modname)

    bases_w = get_bases_from_params(space, ctx, params)
    basicsize = rffi.cast(lltype.Signed, spec.c_basicsize)

    w_result = _create_new_type(space, space.w_type, name, bases_w, dict_w,
                                basicsize)
    if spec.c_legacy_slots:
        attach_legacy_slots_to_type(space, w_result, spec.c_legacy_slots)
    if spec.c_defines:
        add_slot_defs(space, ctx, w_result, spec.c_defines)
    return handles.new(space, w_result)
Exemple #10
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def get_doc(c_doc):
    if not c_doc:
        return None
    return rffi.constcharp2str(c_doc)
Exemple #11
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 def ccharp2text(space, ptr):
     """
     Convert a C const char* into a W_UnicodeObject
     """
     s = rffi.constcharp2str(ptr)
     return space.newtext(s)
Exemple #12
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def ErrorString(space, code):
    """ErrorString(errno) -> string
Returns string error for given number."""
    return space.newtext(rffi.constcharp2str(XML_ErrorString(code)))
Exemple #13
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def get_expat_version(space):
    return space.newtext(rffi.constcharp2str(XML_ExpatVersion()))
Exemple #14
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def PyOS_string_to_double(space, s, endptr, w_overflow_exception):
    """Convert a string s to a double, raising a Python
    exception on failure.  The set of accepted strings corresponds to
    the set of strings accepted by Python's float() constructor,
    except that s must not have leading or trailing whitespace.
    The conversion is independent of the current locale.

    If endptr is NULL, convert the whole string.  Raise
    ValueError and return -1.0 if the string is not a valid
    representation of a floating-point number.

    If endptr is not NULL, convert as much of the string as
    possible and set *endptr to point to the first unconverted
    character.  If no initial segment of the string is the valid
    representation of a floating-point number, set *endptr to point
    to the beginning of the string, raise ValueError, and return
    -1.0.

    If s represents a value that is too large to store in a float
    (for example, "1e500" is such a string on many platforms) then
    if overflow_exception is NULL return Py_HUGE_VAL (with
    an appropriate sign) and don't set any exception.  Otherwise,
    overflow_exception must point to a Python exception object;
    raise that exception and return -1.0.  In both cases, set
    *endptr to point to the first character after the converted value.

    If any other error occurs during the conversion (for example an
    out-of-memory error), set the appropriate Python exception and
    return -1.0.
    """
    user_endptr = True
    try:
        if not endptr:
            endptr = lltype.malloc(rffi.CCHARPP.TO, 1, flavor='raw')
            user_endptr = False
        result = rdtoa.dg_strtod(s, endptr)
        endpos = (rffi.cast(rffi.LONG, endptr[0]) - rffi.cast(rffi.LONG, s))
        if endpos == 0 or (not user_endptr and not endptr[0][0] == '\0'):
            low = rffi.constcharp2str(s).lower()
            sz = 0
            if len(low) < 3:
                pass
            elif low[0] == '-':
                if low.startswith('-infinity'):
                    result = -rfloat.INFINITY
                    sz = len("-infinity")
                elif low.startswith("-inf"):
                    result = -rfloat.INFINITY
                    sz = 4
                elif low.startswith("-nan"):
                    result = -rfloat.NAN
                    sz = 4
            elif low[0] == '+':
                if low.startswith("+infinity"):
                    result = rfloat.INFINITY
                    sz = len("+infinity")
                elif low.startswith("+inf"):
                    result = rfloat.INFINITY
                    sz = 4
                elif low.startswith("+nan"):
                    result = rfloat.NAN
                    sz = 4
            elif low.startswith("infinity"):
                result = rfloat.INFINITY
                sz = len("infinity")
            elif low.startswith("inf"):
                result = rfloat.INFINITY
                sz = 3
            elif low.startswith("nan"):
                result = rfloat.NAN
                sz = 3
            # result is set to 0.0 for a parse_error in dtoa.c
            # if it changed, we must have sucessfully converted
            if result != 0.0:
                if endptr:
                    endptr[0] = rffi.cast(rffi.CCHARP, rffi.ptradd(s, sz))
                return result
            raise oefmt(space.w_ValueError, "invalid input at position %d",
                        endpos)
        err = rffi.cast(lltype.Signed, rposix._get_errno())
        if err == errno.ERANGE:
            rposix._set_errno(rffi.cast(rffi.INT, 0))
            if w_overflow_exception is None:
                if result > 0:
                    return rfloat.INFINITY
                else:
                    return -rfloat.INFINITY
            else:
                raise oefmt(w_overflow_exception, "value too large")
        return result
    finally:
        if not user_endptr:
            lltype.free(endptr, flavor='raw')
Exemple #15
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 def entry_point(argv):
     parser = interp_pyexpat.XML_ParserCreate("test")
     interp_pyexpat.XML_ParserFree(parser)
     res = interp_pyexpat.XML_ErrorString(3)
     os.write(1, rffi.constcharp2str(res))
     return 0