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Better backtraces from C, especially for optimized closures

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* libguile/frames.h:
* libguile/frames.c (scm_frame_call_representation): New interface;
  dispatches to Scheme.

* libguile/backtrace.c (display_application): Use
  scm_frame_call_representation.  This should be monotonically better,
  given that scm_frame_arguments (which was previously called) also
  dispatched to Scheme and actually ended up calling
  frame-call-representation.
This commit is contained in:
Andy Wingo 2014-04-16 14:33:20 +02:00
parent d856931d8d
commit 4819276185
3 changed files with 24 additions and 9 deletions
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libguile/frames.h
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@ -181,6 +181,7 @@ SCM_INTERNAL int scm_c_frame_previous (enum scm_vm_frame_kind kind,
SCM_API SCM scm_frame_p (SCM obj);
SCM_API SCM scm_frame_procedure (SCM frame);
SCM_API SCM scm_frame_call_representation (SCM frame);
SCM_API SCM scm_frame_arguments (SCM frame);
SCM_API SCM scm_frame_source (SCM frame);
SCM_API SCM scm_frame_num_locals (SCM frame);