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error if given an unrewindable partial continuation

Browse source 
* libguile/vm-engine.c (vm_error_continuation_not_rewindable):
* libguile/vm-i-system.c (partial-cont-call):
* libguile/vm.h (SCM_VM_CONT_PARTIAL_P):
  (SCM_VM_CONT_REWINDABLE_P): Fix a bug in which we weren't checking if
  a partial continuation was actually rewindable.
This commit is contained in:
Andy Wingo 2010-02-25 00:18:07 +01:00
parent 35ac785286
commit b3950ad6d8
3 changed files with 11 additions and 2 deletions
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5
libguile/vm-engine.c
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@ -233,6 +233,11 @@ VM_NAME (SCM vm, SCM program, SCM *argv, int nargs)
finish_args = SCM_EOL;
goto vm_error;
vm_error_continuation_not_rewindable:
err_msg = scm_from_locale_string ("Unrewindable partial continuation");
finish_args = scm_cons (finish_args, SCM_EOL);
goto vm_error;
vm_error_bad_wide_string_length:
err_msg = scm_from_locale_string ("VM: Bad wide string length: ~S");
goto vm_error;