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# mode: error
# tag: warnings, werror
import cython
@cython.cfunc
@cython.locals(x=cython.int)
@cython.returns(cython.int)
def cdef_needs_gil(x):
return x + 1
@cython.cfunc
@cython.nogil
@cython.locals(x=cython.int)
@cython.returns(cython.int)
def cdef_nogil(x):
return x + 1
@cython.cfunc
@cython.nogil(True)
@cython.locals(x=cython.int)
@cython.returns(cython.int)
def cdef_nogil_true(x):
return x + 1
@cython.cfunc
@cython.nogil(False)
@cython.locals(x=cython.int)
@cython.returns(cython.int)
def cdef_nogil_false(x):
return x + 1
@cython.locals(x=cython.int)
def test_cdef_nogil(x):
cdef_nogil(x) # ok
cdef_nogil_false(x) # ok
cdef_nogil_true(x) # ok
with cython.nogil:
cdef_nogil_true(x) # ok
cdef_needs_gil(x) # not ok
cdef_nogil_false(x) # not ok
def test_nested_gil_nogil(x: cython.int):
arr: cython.int[5] = [1, 2, 3, 4, 5]
with cython.nogil:
with cython.nogil(False), cython.gil:
cdef_nogil(x) # ok
cdef_needs_gil(x) # ok
with cython.gil(True), cython.nogil:
cdef_nogil(x) # ok
cdef_needs_gil(x) # not ok
with cython.gil, cython.nogil, cython.wraparound(False):
cdef_nogil(x) # ok
cdef_needs_gil(x) # not ok
x += arr[-1] # not ok
@cython.nogil
def pyfunc(x): # invalid
return x + 1
@cython.exceptval(-1)
@cython.cfunc
def test_cdef_return_object_broken(x: object) -> object:
return x
@cython.ccall
@cython.cfunc
def test_contradicting_decorators1(x: object) -> object:
return x
@cython.cfunc
@cython.ccall
def test_contradicting_decorators2(x: object) -> object:
return x
@cython.cfunc
@cython.ufunc
def add_one(x: cython.double) -> cython.double:
return x+1
_ERRORS = """
30:0: Directive does not change previous value (nogil=False)
44:22: Calling gil-requiring function not allowed without gil
45:24: Calling gil-requiring function not allowed without gil
56:26: Calling gil-requiring function not allowed without gil
59:26: Calling gil-requiring function not allowed without gil
60:22: the result of using negative indices inside of code sections marked as 'wraparound=False' is undefined
63:0: Python functions cannot be declared 'nogil'
68:0: Exception clause not allowed for function returning Python object
74:0: cfunc and ccall directives cannot be combined
80:0: cfunc and ccall directives cannot be combined
86:0: Cannot apply @cfunc to @ufunc, please reverse the decorators.
# bugs:
74:0: 'test_contradicting_decorators1' redeclared
80:0: 'test_contradicting_decorators2' redeclared
"""
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