Python CStandaloneBuilder.build_database方法代碼示例

# 需要導入模塊: from rpython.translator.c.genc import CStandaloneBuilder [as 別名]
# 或者: from rpython.translator.c.genc.CStandaloneBuilder import build_database [as 別名]
def test_custom_trace_function_no_collect():
    from rpython.rlib import rgc
    from rpython.translator.c.genc import CStandaloneBuilder

    S = lltype.GcStruct("MyStructure")
    class Glob:
        pass
    glob = Glob()
    def trace_func(gc, obj, callback, arg):
        glob.foo = (gc, obj)
    lambda_trace_func = lambda: trace_func
    def entrypoint(argv):
        lltype.malloc(S)
        rgc.register_custom_trace_hook(S, lambda_trace_func)
        return 0

    t = rtype(entrypoint, [s_list_of_strings])
    t.config.translation.gc = "minimark"
    cbuild = CStandaloneBuilder(t, entrypoint, t.config,
                                gcpolicy=FrameworkGcPolicy2)
    with py.test.raises(Exception) as f:
        cbuild.build_database()
    assert 'can cause the GC to be called' in str(f.value)
    assert 'trace_func' in str(f.value)
    assert 'MyStructure' in str(f.value)

# 需要導入模塊: from rpython.translator.c.genc import CStandaloneBuilder [as 別名]
# 或者: from rpython.translator.c.genc.CStandaloneBuilder import build_database [as 別名]
def test_no_collect_detection():
    from rpython.rlib import rgc
    from rpython.translator.c.genc import CStandaloneBuilder

    class A(object):
        def __init__(self, x):
            self.x = x

    @rgc.no_collect
    def g():
        return A(1).x

    assert g._dont_inline_
    assert g._gc_no_collect_

    def entrypoint(argv):
        return g() + 2

    t = rtype(entrypoint, [s_list_of_strings])
    t.config.translation.gc = "minimark"
    cbuild = CStandaloneBuilder(t, entrypoint, t.config,
                                gcpolicy=FrameworkGcPolicy2)
    with py.test.raises(Exception) as f:
        cbuild.build_database()
    expected = "'no_collect' function can trigger collection: <function g at "
    assert str(f.value).startswith(expected)

# 需要導入模塊: from rpython.translator.c.genc import CStandaloneBuilder [as 別名]
# 或者: from rpython.translator.c.genc.CStandaloneBuilder import build_database [as 別名]
def test_framework_simple():
    def g(x):
        return x + 1
    class A(object):
        pass
    def entrypoint(argv):
        a = A()
        a.b = g(1)
        return str(a.b)

    from rpython.rtyper.llinterp import LLInterpreter
    from rpython.translator.c.genc import CStandaloneBuilder

    t = rtype(entrypoint, [s_list_of_strings])
    t.config.translation.gc = "minimark"
    cbuild = CStandaloneBuilder(t, entrypoint, t.config,
                                gcpolicy=FrameworkGcPolicy2)
    db = cbuild.build_database()
    entrypointptr = cbuild.getentrypointptr()
    entrygraph = entrypointptr._obj.graph

    r_list_of_strings = t.rtyper.getrepr(s_list_of_strings)
    ll_argv = r_list_of_strings.convert_const([])

    llinterp = LLInterpreter(t.rtyper)

    # FIIIIISH
    setupgraph = db.gctransformer.frameworkgc_setup_ptr.value._obj.graph
    llinterp.eval_graph(setupgraph, [])

    res = llinterp.eval_graph(entrygraph, [ll_argv])

    assert ''.join(res.chars) == "2"

# 需要導入模塊: from rpython.translator.c.genc import CStandaloneBuilder [as 別名]
# 或者: from rpython.translator.c.genc.CStandaloneBuilder import build_database [as 別名]
def test_remove_duplicate_write_barrier():
    from rpython.translator.c.genc import CStandaloneBuilder
    from rpython.flowspace.model import summary

    class A(object):
        pass
    glob_a_1 = A()
    glob_a_2 = A()

    def f(a, cond):
        a.x = a
        a.z = a
        if cond:
            a.y = a
    def g():
        f(glob_a_1, 5)
        f(glob_a_2, 0)
    t = rtype(g, [])
    t.config.translation.gc = "minimark"
    cbuild = CStandaloneBuilder(t, g, t.config,
                                gcpolicy=FrameworkGcPolicy2)
    db = cbuild.build_database()

    ff = graphof(t, f)
    #ff.show()
    assert summary(ff)['direct_call'] == 1    # only one remember_young_pointer

# 需要導入模塊: from rpython.translator.c.genc import CStandaloneBuilder [as 別名]
# 或者: from rpython.translator.c.genc.CStandaloneBuilder import build_database [as 別名]
    def task_database_c(self):
        """ Create a database for further backend generation
        """
        translator = self.translator
        if translator.annotator is not None:
            translator.frozen = True

        standalone = self.standalone

        if standalone:
            from rpython.translator.c.genc import CStandaloneBuilder
            cbuilder = CStandaloneBuilder(self.translator, self.entry_point,
                                          config=self.config,
                      secondary_entrypoints=self.secondary_entrypoints)
        else:
            from rpython.translator.c.dlltool import CLibraryBuilder
            functions = [(self.entry_point, None)] + self.secondary_entrypoints
            cbuilder = CLibraryBuilder(self.translator, self.entry_point,
                                       functions=functions,
                                       name='libtesting',
                                       config=self.config)
        if not standalone:     # xxx more messy
            cbuilder.modulename = self.extmod_name
        database = cbuilder.build_database()
        self.log.info("database for generating C source was created")
        self.cbuilder = cbuilder
        self.database = database

# 需要導入模塊: from rpython.translator.c.genc import CStandaloneBuilder [as 別名]
# 或者: from rpython.translator.c.genc.CStandaloneBuilder import build_database [as 別名]
    def llinterpreter_for_transformed_graph(self, f, args_s):
        from rpython.rtyper.llinterp import LLInterpreter
        from rpython.translator.c.genc import CStandaloneBuilder

        t = rtype(f, args_s)
        # XXX we shouldn't need an actual gcpolicy here.
        cbuild = CStandaloneBuilder(t, f, t.config, gcpolicy=self.gcpolicy)
        cbuild.build_database()
        graph = cbuild.getentrypointptr()._obj.graph
        # arguments cannot be GC objects because nobody would put a
        # proper header on them
        for v in graph.getargs():
            if isinstance(v.concretetype, lltype.Ptr):
                assert v.concretetype.TO._gckind != 'gc', "fix the test!"
        llinterp = LLInterpreter(t.rtyper)
        if option.view:
            t.view()
        return llinterp, graph

# 需要導入模塊: from rpython.translator.c.genc import CStandaloneBuilder [as 別名]
# 或者: from rpython.translator.c.genc.CStandaloneBuilder import build_database [as 別名]
def test_no_collect():
    from rpython.rlib import rgc
    from rpython.translator.c.genc import CStandaloneBuilder

    @rgc.no_collect
    def g():
        return 1

    assert g._dont_inline_
    assert g._gc_no_collect_

    def entrypoint(argv):
        return g() + 2

    t = rtype(entrypoint, [s_list_of_strings])
    t.config.translation.gc = "minimark"
    cbuild = CStandaloneBuilder(t, entrypoint, t.config,
                                gcpolicy=FrameworkGcPolicy2)
    db = cbuild.build_database()

# 需要導入模塊: from rpython.translator.c.genc import CStandaloneBuilder [as 別名]
# 或者: from rpython.translator.c.genc.CStandaloneBuilder import build_database [as 別名]
    def setup_class(cls):
        cls.marker = lltype.malloc(rffi.CArray(lltype.Signed), 1,
                                   flavor='raw', zero=True)
        funcs0 = []
        funcs2 = []
        cleanups = []
        name_to_func = {}
        mixlevelstuff = []
        for fullname in dir(cls):
            if not fullname.startswith('define'):
                continue
            definefunc = getattr(cls, fullname)
            _, name = fullname.split('_', 1)
            func_fixup = definefunc.im_func(cls)
            cleanup = None
            if isinstance(func_fixup, tuple):
                func, cleanup, fixup = func_fixup
                mixlevelstuff.append(fixup)
            else:
                func = func_fixup
            func.func_name = "f_%s" % name
            if cleanup:
                cleanup.func_name = "clean_%s" % name

            nargs = len(inspect.getargspec(func)[0])
            name_to_func[name] = len(funcs0)
            if nargs == 2:
                funcs2.append(func)
                funcs0.append(None)
            elif nargs == 0:
                funcs0.append(func)
                funcs2.append(None)
            else:
                raise NotImplementedError(
                         "defined test functions should have 0/2 arguments")
            # used to let test cleanup static root pointing to runtime
            # allocated stuff
            cleanups.append(cleanup)

        def entrypoint(args):
            num = args[0]
            func = funcs0[num]
            if func:
                res = func()
            else:
                func = funcs2[num]
                res = func(args[1], args[2])
            cleanup = cleanups[num]
            if cleanup:
                cleanup()
            return res

        from rpython.translator.c.genc import CStandaloneBuilder

        s_args = SomePtr(lltype.Ptr(ARGS))
        t = rtype(entrypoint, [s_args], gcname=cls.gcname,
                  taggedpointers=cls.taggedpointers)

        for fixup in mixlevelstuff:
            if fixup:
                fixup(t)

        cbuild = CStandaloneBuilder(t, entrypoint, config=t.config,
                                    gcpolicy=cls.gcpolicy)
        cbuild.make_entrypoint_wrapper = False
        db = cbuild.build_database()
        entrypointptr = cbuild.getentrypointptr()
        entrygraph = entrypointptr._obj.graph
        if option.view:
            t.viewcg()

        cls.name_to_func = name_to_func
        cls.entrygraph = entrygraph
        cls.rtyper = t.rtyper
        cls.db = db