Python GcForwardReference.become示例

示例#1

文件： rstr.py 项目： alkorzt/pypy

                from pypy.rpython.lltypesystem.rstr import string_repr
                vchunk = inputconst(string_repr, thing)
            i = inputconst(Signed, i)
            hop.genop('setarrayitem', [vtemp, i, vchunk])

        hop.exception_cannot_occur()   # to ignore the ZeroDivisionError of '%'
        return hop.gendirectcall(cls.ll_join_strs, size, vtemp)
    do_stringformat = classmethod(do_stringformat)

TEMP = GcArray(Ptr(STR))

# ____________________________________________________________

STR.become(GcStruct('rpy_string', ('hash',  Signed),
                    ('chars', Array(Char, hints={'immutable': True})),
                    adtmeths={'malloc' : staticAdtMethod(mallocstr),
                              'empty'  : staticAdtMethod(emptystrfun),
                              'copy_contents' : staticAdtMethod(copy_string_contents),
                              'gethash': LLHelpers.ll_strhash}))
UNICODE.become(GcStruct('rpy_unicode', ('hash', Signed),
                        ('chars', Array(UniChar, hints={'immutable': True})),
                        adtmeths={'malloc' : staticAdtMethod(mallocunicode),
                                  'empty'  : staticAdtMethod(emptyunicodefun),
                                  'copy_contents' : staticAdtMethod(copy_unicode_contents),
                                  'gethash': LLHelpers.ll_strhash}
                        ))


# TODO: make the public interface of the rstr module cleaner
ll_strconcat = LLHelpers.ll_strconcat
ll_join = LLHelpers.ll_join
ll_str2unicode = LLHelpers.ll_str2unicode

示例#2

mallocstr = new_malloc(STR)
mallocunicode = new_malloc(UNICODE)


def emptystrfun():
    return emptystr


def emptyunicodefun():
    return emptyunicode


STR.become(
    GcStruct('rpy_string', ('hash', Signed),
             ('chars', Array(Char, hints={'immutable': True})),
             adtmeths={
                 'malloc': staticAdtMethod(mallocstr),
                 'empty': staticAdtMethod(emptystrfun)
             }))
UNICODE.become(
    GcStruct('rpy_unicode', ('hash', Signed),
             ('chars', Array(UniChar, hints={'immutable': True})),
             adtmeths={
                 'malloc': staticAdtMethod(mallocunicode),
                 'empty': staticAdtMethod(emptyunicodefun)
             }))
SIGNED_ARRAY = GcArray(Signed)
CONST_STR_CACHE = WeakValueDictionary()
CONST_UNICODE_CACHE = WeakValueDictionary()

示例#3

        return hop.gendirectcall(cls.ll_join_strs, size, vtemp)

    do_stringformat = classmethod(do_stringformat)


TEMP = GcArray(Ptr(STR))

# ____________________________________________________________

STR.become(
    GcStruct(
        "rpy_string",
        ("hash", Signed),
        ("chars", Array(Char, hints={"immutable": True})),
        adtmeths={
            "malloc": staticAdtMethod(mallocstr),
            "empty": staticAdtMethod(emptystrfun),
            "copy_contents": staticAdtMethod(copy_string_contents),
            "gethash": LLHelpers.ll_strhash,
        },
    )
)
UNICODE.become(
    GcStruct(
        "rpy_unicode",
        ("hash", Signed),
        ("chars", Array(UniChar, hints={"immutable": True})),
        adtmeths={
            "malloc": staticAdtMethod(mallocunicode),
            "empty": staticAdtMethod(emptyunicodefun),
            "copy_contents": staticAdtMethod(copy_unicode_contents),

示例#4

文件： rstr.py 项目： nipengadmaster/pypy

        hop.exception_cannot_occur()  # to ignore the ZeroDivisionError of '%'
        return hop.gendirectcall(cls.ll_join_strs, size, vtemp)

    do_stringformat = classmethod(do_stringformat)


TEMP = GcArray(Ptr(STR))

# ____________________________________________________________

STR.become(
    GcStruct('rpy_string', ('hash', Signed),
             ('chars', Array(Char, hints={'immutable': True})),
             adtmeths={
                 'malloc': staticAdtMethod(mallocstr),
                 'empty': staticAdtMethod(emptystrfun),
                 'copy_contents': staticAdtMethod(copy_string_contents),
                 'gethash': LLHelpers.ll_strhash
             }))
UNICODE.become(
    GcStruct('rpy_unicode', ('hash', Signed),
             ('chars', Array(UniChar, hints={'immutable': True})),
             adtmeths={
                 'malloc': staticAdtMethod(mallocunicode),
                 'empty': staticAdtMethod(emptyunicodefun),
                 'copy_contents': staticAdtMethod(copy_unicode_contents),
                 'gethash': LLHelpers.ll_strhash
             }))

# TODO: make the public interface of the rstr module cleaner

示例#5

文件： rstr.py 项目： antoine1fr/pygirl

            r.hash = 0
        return r
    mallocstr._annspecialcase_ = 'specialize:semierased'
    return mallocstr

mallocstr = new_malloc(STR)
mallocunicode = new_malloc(UNICODE)

def emptystrfun():
    return emptystr

def emptyunicodefun():
    return emptyunicode

STR.become(GcStruct('rpy_string', ('hash',  Signed),
                    ('chars', Array(Char, hints={'immutable': True})),
                    adtmeths={'malloc' : staticAdtMethod(mallocstr),
                              'empty'  : staticAdtMethod(emptystrfun)}))
UNICODE.become(GcStruct('rpy_unicode', ('hash', Signed),
                        ('chars', Array(UniChar, hints={'immutable': True})),
                        adtmeths={'malloc' : staticAdtMethod(mallocunicode),
                                  'empty'  : staticAdtMethod(emptyunicodefun)}
                        ))
SIGNED_ARRAY = GcArray(Signed)
CONST_STR_CACHE = WeakValueDictionary()
CONST_UNICODE_CACHE = WeakValueDictionary()

class BaseLLStringRepr(Repr):
    def convert_const(self, value):
        if value is None:
            return nullptr(self.lowleveltype.TO)
        #value = getattr(value, '__self__', value)  # for bound string methods