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from rpython.rlib.debug import debug_start, debug_stop, debug_print
from rpython.jit.metainterp.jitexc import JitException
class InvalidLoop(JitException):
"""Raised when the optimize*.py detect that the loop that
we are trying to build cannot possibly make sense as a
long-running loop (e.g. it cannot run 2 complete iterations)."""
def __init__(self, msg='?'):
debug_start("jit-abort")
debug_print(msg)
debug_stop("jit-abort")
self.msg = msg
class SpeculativeError(JitException):
"""Raised when speculative heap access would be ill-typed,
which should only occur when optimizing the unrolled loop."""
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