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Marius Vollmer 2004-01-03 21:56:35 +00:00
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2004-01-03 Marius Vollmer <mvo@zagadka.de>
* dynwind.h, scm_dynwind.c (scm_t_frame_flags, scm_t_wind_flags,
scm_begin_frame, scm_end_frame, scm_on_unwind, scm_on_rewind):
New.
(scm_dowinds, scm_i_dowinds): scm_dowinds has been renamed to
scm_i_dowinds and extended to handle frames and to invoke a 'turn'
function when the outermost wind point has been reached. The
latter is used to copy a continuation stack at the right time.
scm_dowinds remains available.
(SCM_GUARDSP, SCM_BEFORE_GUARD, SCM_AFTER_GUARD, SCM_GUARD_DATA,
tc16_guard, guards_print): Removed.
(scm_internal_dynamic_wind): Reimplemented using frames.
* continuations.c (copy_stack): New, do only the stack copying
part of copy_stack_and_call.
(copy_stack_and_call): Copy the stack after unwinding and before
rewinding.
(scm_dynthrow): Do not call scm_dowinds, this is now done by
copy_stack_and_call.
2004-01-04 Kevin Ryde <user42@zip.com.au>
* numbers.c (scm_less_p): Don't convert frac to float for compares,
can give results due to rounding.
can give bad results due to rounding.
2003-12-26 Marius Vollmer <mvo@zagadka.de>