cython

1
# ticket: t203
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cdef int get_bound(int m):
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    print u"get_bound(%s)"%m
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    return m
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def for_from_range(a, b):
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    """
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    >>> for_from_range(5, 10)
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    range(5)
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    at 0
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    at 1
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    at 2
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    at 3
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    at 4
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    range(5, 10)
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    at 5
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    at 6
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    at 7
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    at 8
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    at 9
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    range(5, 10, 2)
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    at 5
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    at 7
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    at 9
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    9
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    >>> for_from_range(-5, -10)
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    range(-5)
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    range(-5, -10)
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    range(-5, -10, 2)
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    100
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    """
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    cdef int i = 100
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    print u"range(%s)" % a
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    for i in range(a):
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        print u"at", i
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    print u"range(%s, %s)" % (a, b)
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    for i in range(a, b):
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        print u"at", i
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    print u"range(%s, %s, %s)" % (a, b, 2)
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    for i in range(a, b, 2):
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        print u"at", i
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    return i
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def for_from_bound_reassignment(int bound, int fake_bound):
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    """
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    >>> for_from_bound_reassignment(5, 1)
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    at 0
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    at 1
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    at 2
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    at 3
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    at 4
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    5
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    """
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    cdef int i = 100
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    for i from 0 <= i < bound:
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        print u"at", i
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        bound = fake_bound
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    return i
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def for_from_step_reassignment(int bound, int step, int fake_step):
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    """
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    >>> for_from_step_reassignment(15, 5, 2)
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    at 0
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    at 5
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    at 10
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    15
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    """
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    cdef int i = 100
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    for i from 0 <= i < bound by step:
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        print u"at", i
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        step = fake_step
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    return i
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def for_from_target_reassignment(int bound, int factor):
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    """
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    >>> for_from_target_reassignment(10, 2)
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    at 0
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    at 1
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    at 3
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    at 7
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    15
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    """
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    cdef int i = 100
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    for i from 0 <= i < bound:
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        print u"at", i
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        i *= factor
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    return i
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def for_from_py_target_reassignment(int bound, int factor):
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    """
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    >>> for_from_py_target_reassignment(10, 2)
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    at 0
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    at 1
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    at 3
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    at 7
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    15
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    """
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    cdef object i
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    for i from 0 <= i < bound:
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        print u"at", i
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        i *= factor
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    return i
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def for_from_py_global_target_reassignment(int bound, int factor):
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    """
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    >>> for_from_py_global_target_reassignment(10, 2)
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    at 0
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    at 1
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    at 3
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    at 7
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    15
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    """
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    global g_var
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    for g_var from 0 <= g_var < bound:
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        print u"at", g_var
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        g_var *= factor
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    return g_var
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def for_in_target_reassignment(int bound, int factor):
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    """
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    >>> for_in_target_reassignment(10, 2)
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    at 0
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    at 1
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    at 2
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    at 3
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    at 4
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    at 5
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    at 6
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    at 7
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    at 8
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    at 9
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    18
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    """
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    cdef int i = 100
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    for i in range(bound):
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        print u"at", i
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        i *= factor
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    return i
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def test_func(int n):
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    """
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    >>> test_func(5)
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    get_bound(5)
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    at 0
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    at 1
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    at 2
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    at 3
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    at 4
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    5
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    """
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    cdef int i = 100
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    for i from 0 <= i < get_bound(n):
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        print u"at", i
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    return i
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