pypy/module/cpyext/test/test_translate.py::test_llhelper

monkeypatch = <_pytest.monkeypatch.MonkeyPatch object at 0x7ffa91d55190>

    def test_llhelper(monkeypatch):
        """Show how to get function pointers used in type slots"""
        FT = lltype.FuncType([], lltype.Signed)
        FTPTR = lltype.Ptr(FT)
    
        def make_wrapper(self, space):
            def wrapper():
                return self.callable(space)
            return wrapper
        monkeypatch.setattr(pypy.module.cpyext.api.ApiFunction, '_make_wrapper', make_wrapper)
    
        @specialize.memo()
        def get_tp_function(space, typedef):
            @slot_function([], lltype.Signed, error=-1)
            def slot_tp_function(space):
                return typedef.value
    
            api_func = slot_tp_function.api_func
            return lambda: llhelper(api_func.functype, api_func.get_wrapper(space))
    
        class Space:
            _cache = {}
            @specialize.memo()
            def fromcache(self, key):
                try:
                    return self._cache[key]
                except KeyError:
                    result = self._cache[key] = self.build(key)
                    return result
            def _freeze_(self):
                return True
        class TypeDef:
            def __init__(self, value):
                self.value = value
            def _freeze_(self):
                return True
        class W_Type:
            def __init__(self, typedef):
                self.instancetypedef = typedef
            def _freeze(self):
                try:
                    del self.funcptr
                except AttributeError:
                    pass
                return False
    
        w_type1 = W_Type(TypeDef(123))
        w_type2 = W_Type(TypeDef(456))
        space = Space()
    
        def run(x):
            if x:
                w_type = w_type1
            else:
                w_type = w_type2
            typedef = w_type.instancetypedef
            w_type.funcptr = get_tp_function(space, typedef)()
            return w_type.funcptr()
    
>       fn = compile(run, [bool])

module/cpyext/test/test_translate.py:68: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
../rpython/translator/c/test/test_genc.py:106: in compile
    policy=annotatorpolicy, thread=thread, **kwds)
../rpython/translator/interactive.py:25: in __init__
    graph = self.context.buildflowgraph(entry_point)
../rpython/translator/translator.py:55: in buildflowgraph
    graph = build_flow(func)
../rpython/flowspace/objspace.py:49: in build_flow
    ctx.build_flow()
../rpython/flowspace/flowcontext.py:405: in build_flow
    self.record_block(block)
../rpython/flowspace/flowcontext.py:413: in record_block
    next_offset = self.handle_bytecode(next_offset)
../rpython/flowspace/flowcontext.py:492: in handle_bytecode
    offset = getattr(self, methodname)(oparg)
../rpython/flowspace/flowcontext.py:999: in CALL_FUNCTION
    self.call_function(oparg)
../rpython/flowspace/flowcontext.py:973: in call_function
    self.pushvalue(hlop.eval(self))
../rpython/flowspace/operation.py:675: in eval
    return sc(ctx, *args_w)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

_ = <rpython.flowspace.flowcontext.FlowContext object at 0x7ffa91d55c50>
args = ()

    @register_flow_sc(locals)
    def sc_locals(_, *args):
        raise Exception(
>           "A function calling locals() is not RPython.  "
            "Note that if you're translating code outside the PyPy "
            "repository, a likely cause is that py.test's --assert=rewrite "
            "mode is getting in the way.  You should copy the file "
            "pytest.ini from the root of the PyPy repository into your "
            "own project.")
E       Exception: A function calling locals() is not RPython.  Note that if you're translating code outside the PyPy repository, a likely cause is that py.test's --assert=rewrite mode is getting in the way.  You should copy the file pytest.ini from the root of the PyPy repository into your own project.

../rpython/flowspace/specialcase.py:36: Exception
 (somefailed=True in module/cpyext/test/test_translate.py)

builder: own-linux-x86-64 build #10810

test: pypy/module/cpyext/test/test_translate/py/test_llhelper