lispdoc - results for catch |
(catch tag &body body) | Function: CATCH tag form* Evaluate TAG and instantiate it as a catcher while the body forms are evaluated in an implicit PROGN. If a THROW is done to TAG within the dynamic scope of the body, then control will be transferred to the end of the body and the thrown values will be returned.
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Example:(defun run-prolog (procedure cont) "Run a 0-ary prolog procedure with a given continuation." (prolog-compile-symbols) (setf (fill-pointer *trail*) 0) (setf *var-counter* 0) (catch 'top-level-prove (funcall procedure cont))) | Mentioned in: CLtL2 - 29.3.3. Handling Conditions CLtL2 - 29.3.9. Comparison of Restarts and Catch/Throw CLtL2 - 3. Scope and Extent CLtL2 - 7. Control Structure CLtL2 - 7.10.2. Rules Governing the Passing of Multiple Values CLtL2 - 7.11. Dynamic Non-Local Exits CLtL2 - 7.7. Blocks and Exits CLtL2 - A.3.1. Basic Restrictions HyperSpec - Special Operator CATCH PCL - unwinding the stack Successful Lisp - chapter09 |
hunchentoot:*catch-errors-p* | Variable: Whether Hunchentoot should catch and log errors (or rather invoke the debugger).
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| By Bill Moorier |
