cl-debug-print

* cl-debug-print

A reader macro package for debug printing.

** Install

When install by Roswell,

#+begin_src
ros install masatoi/cl-debug-print
#+end_src

** Usage

#+BEGIN_SRC lisp
(ql:quickload :cl-debug-print)
(debug-print:use-debug-print)

;;; Debug print

(defun fact (n)
  (if (= #>n 0)
      1
      (* n #>(fact (1- n)))))

(fact 10)

;; N => 10
;; N => 9
;; N => 8
;; N => 7
;; N => 6
;; N => 5
;; N => 4
;; N => 3
;; N => 2
;; N => 1
;; N => 0
;; (FACT (1- N)) => 1
;; (FACT (1- N)) => 1
;; (FACT (1- N)) => 2
;; (FACT (1- N)) => 6
;; (FACT (1- N)) => 24
;; (FACT (1- N)) => 120
;; (FACT (1- N)) => 720
;; (FACT (1- N)) => 5040
;; (FACT (1- N)) => 40320
;; (FACT (1- N)) => 362880

;;; Debug push

(defun fact2 (n)
  (if (= n 0)
      1
      (* n #!(fact2 (1- n)))))

(fact2 10)
;; => 3628800

;;; Debug push results are stored to *dbg*

cl-debug-print:*dbg*
;; => (362880 40320 5040 720 120 24 6 2 1 1)

;;; Clearing debug push list

(cl-debug-print:clear-dbg)

cl-debug-print:*dbg*
;; => nil
#+END_SRC

*** Configure variables

#+begin_src lisp
;;; Setting destination stream (default value is *standard-output*)

(setf cl-debug-print:*destination* *error-output*)

;;; Setting for using DESCRIBE instead of mere value (default value is nil)

(setf cl-debug-print:*use-describe* t)

#>'sin

;; 'SIN => COMMON-LISP:SIN
;;   [symbol]
;;
;; SIN names a compiled function:
;;   Lambda-list: (NUMBER)
;;   Declared type: (FUNCTION (NUMBER)
;;                   (VALUES
;;                    (OR (SINGLE-FLOAT -1.0 1.0)
;;                        (DOUBLE-FLOAT -1.0d0 1.0d0)
;;                        (COMPLEX SINGLE-FLOAT) (COMPLEX DOUBLE-FLOAT))
;;                    &OPTIONAL))
;;   Derived type: (FUNCTION (T)
;;                  (VALUES
;;                   (OR (SINGLE-FLOAT -1.0 1.0)
;;                       (DOUBLE-FLOAT -1.0d0 1.0d0)
;;                       (COMPLEX DOUBLE-FLOAT) (COMPLEX SINGLE-FLOAT))
;;                   &OPTIONAL))
;;   Documentation:
;;     Return the sine of NUMBER.
;;   Known attributes: foldable, flushable, unsafely-flushable, movable, recursive
;;   Source file: SYS:SRC;CODE;IRRAT.LISP
#+end_src


cl-syntax

prove-asdf

prove

cl-debug-print-test

CL-Synax reader system for cl-debug-print

cl-debug-print

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cl-debug-print

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