src/code/describe-policy.lisp

   1 ;;;; DESCRIBE-COMPILER-POLICY
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; This software is derived from the CMU CL system, which was
   7 ;;;; written at Carnegie Mellon University and released into the
   8 ;;;; public domain. The software is in the public domain and is
   9 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
  10 ;;;; files for more information.
  11
  12 (in-package "SB-C")
  13 \f
  14 (defun describe-compiler-policy (&optional spec)
  15   "Print all global optimization settings, augmented by SPEC."
  16   (let ((policy (process-optimize-decl (cons 'optimize spec) *policy*)))
  17     (fresh-line)
  18     (format t "  Basic qualities:~%")
  19     (dovector (quality +policy-primary-qualities+)
  20       (format t "~S = ~D~%" quality (policy-quality policy quality)))
  21     (format t "  Dependent qualities:~%")
  22     (loop for info across **policy-dependent-qualities**
  23        for quality = (policy-dependent-quality-name info)
  24        for values-documentation = (policy-dependent-quality-values-documentation info)
  25        for explicit-value = (policy-quality policy quality)
  26        do (if (= explicit-value 1)
  27               (let* ((getter (policy-dependent-quality-getter info))
  28                      (value (funcall getter policy))
  29                      (documentation (elt values-documentation value)))
  30                 (format t "~S = ~D -> ~D (~A)~%"
  31                         quality explicit-value value documentation))
  32               (let ((documentation (elt values-documentation explicit-value)))
  33                 (format t "~S = ~D (~A)~%"
  34                         quality explicit-value documentation)))))
  35
  36   (values))