JOB_STACKFRAME_HANDLING stackframes in context will look as follows:
job_RunState.l -> size in bytes of below stackframe JOB_STACKFRAME_HANDLING raw integer stack offset of HANDLERS frame size in bytes of above stackframe ... size in bytes of below stackframe JOB_STACKFRAME_HANDLERS event0 function0 event1 function1 ... size in bytes of above stackframe ... size in bytes of below stackframe JOB_STACKFRAME_NORMAL local_variable_N ... local_variable_1 job_RunState.v -> local_variable_0 compiledFunction for this frame. programCounter for this frame. size in bytes of above stackframe
While a handler is being invoked, CommonLisp specifies that all handlers in that set must be de-activated in order to prevent recursive errors and such. Muq implements this by pushing a HANDLING stackframe which points to the inactivated HANDLERS stackframe.
getStackframe[ HANDLING frame result looks like:
:owner object :kind :handling :stack-depth fixnum
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