def test_null_fnptr():
from rpython.flowspace.model import SpaceOperation, Constant
from rpython.rtyper.lltypesystem.lltype import Void, FuncType, nullptr
from rpython.translator.translator import TranslationContext
t = TranslationContext()
fnptr = nullptr(FuncType([], Void))
op = SpaceOperation('direct_call', [Constant(fnptr)], None)
analyzer = BoolGraphAnalyzer(t)
assert not analyzer.analyze(op)
def test_null_fnptr():
from rpython.flowspace.model import SpaceOperation, Constant
from rpython.rtyper.lltypesystem.lltype import Void, FuncType, nullptr
from rpython.translator.translator import TranslationContext
t = TranslationContext()
fnptr = nullptr(FuncType([], Void))
op = SpaceOperation('direct_call', [Constant(fnptr)], None)
analyzer = BoolGraphAnalyzer(t)
assert not analyzer.analyze(op)
def test_delayed_fnptr():
from rpython.flowspace.model import SpaceOperation
from rpython.rtyper.annlowlevel import MixLevelHelperAnnotator
from rpython.translator.translator import TranslationContext
t = TranslationContext()
t.buildannotator()
t.buildrtyper()
annhelper = MixLevelHelperAnnotator(t.rtyper)
def f():
pass
c_f = annhelper.constfunc(f, [], None)
op = SpaceOperation('direct_call', [c_f], None)
analyzer = BoolGraphAnalyzer(t)
assert analyzer.analyze(op)
def test_delayed_fnptr():
from rpython.flowspace.model import SpaceOperation
from rpython.rtyper.annlowlevel import MixLevelHelperAnnotator
from rpython.translator.translator import TranslationContext
t = TranslationContext()
t.buildannotator()
t.buildrtyper()
annhelper = MixLevelHelperAnnotator(t.rtyper)
def f():
pass
c_f = annhelper.constfunc(f, [], None)
op = SpaceOperation('direct_call', [c_f], None)
analyzer = BoolGraphAnalyzer(t)
assert analyzer.analyze(op)
