(funcall (compile (gensym "EVAL-TMPFUN-")
`(lambda ()
- ;; SPEED=0,DEBUG=1 => byte-compile
- (declare (optimize (speed 0) (debug 1)))
+ ;; The user can reasonably expect that the
+ ;; interpreter will be safe.
+ (declare (optimize (safety 3)))
- ;; Other than that, basically we care about
- ;; compilation speed, compilation speed, and
- ;; compilation speed. (There are cases where
- ;; the user wants something else, but we don't
- ;; know enough to guess that; and if he is
- ;; unhappy about our guessed emphasis, he
- ;; should explicitly compile his code, with
- ;; explicit declarations to tell us what to
- ;; emphasize.)
- (declare (optimize (space 1) (safety 1)))
- (declare (optimize (compilation-speed 3)))
+ ;; It's also good if the interpreter doesn't
+ ;; spend too long thinking about each input
+ ;; form, since if the user'd wanted the
+ ;; tradeoff to favor quality of compiled code
+ ;; over compilation speed, he'd've explicitly
+ ;; asked for compilation.
+ (declare (optimize (compilation-speed 2)))
+
+ ;; Other properties are relatively unimportant.
+ (declare (optimize (speed 1) (debug 1) (space 1)))
,expr))))
(t
exp))))
-;;; Given a function, return three values:
-;;; 1] A lambda expression that could be used to define the function,
-;;; or NIL if the definition isn't available.
-;;; 2] NIL if the function was definitely defined in a null lexical
-;;; environment, and T otherwise.
-;;; 3] Some object that \"names\" the function. Although this is
-;;; allowed to be any object, CMU CL always returns a valid
-;;; function name or a string.
-;;;
-;;; If interpreted, use the interpreter interface. Otherwise, see
-;;; whether it was compiled with COMPILE. If that fails, check for an
-;;; inline expansion.
(defun function-lambda-expression (fun)
- (declare (type function fun))
- (let* ((fun (%function-self fun))
- (name (%function-name fun))
- (code (sb!di::function-code-header fun))
- (info (sb!kernel:%code-debug-info code)))
- (if info
- (let ((source (first (sb!c::compiled-debug-info-source info))))
- (cond ((and (eq (sb!c::debug-source-from source) :lisp)
- (eq (sb!c::debug-source-info source) fun))
- (values (second (svref (sb!c::debug-source-name source) 0))
- nil name))
- ((stringp name)
- (values nil t name))
- (t
- (let ((exp (info :function :inline-expansion name)))
- (if exp
- (values exp nil name)
- (values nil t name))))))
- (values nil t name))))
+ "Return (VALUES DEFINING-LAMBDA-EXPRESSION CLOSURE-P NAME), where
+ DEFINING-LAMBDA-EXPRESSION is NIL if unknown, or a suitable argument
+ to COMPILE otherwise, CLOSURE-P is non-NIL if the function's definition
+ might have been enclosed in some non-null lexical environment, and
+ NAME is some name (for debugging only) or NIL if there is no name."
+ (declare (type function fun))
+ (let* ((fun (%function-self fun))
+ (name (%function-name fun))
+ (code (sb!di::function-code-header fun))
+ (info (sb!kernel:%code-debug-info code)))
+ (if info
+ (let ((source (first (sb!c::compiled-debug-info-source info))))
+ (cond ((and (eq (sb!c::debug-source-from source) :lisp)
+ (eq (sb!c::debug-source-info source) fun))
+ (values (second (svref (sb!c::debug-source-name source) 0))
+ nil name))
+ ((stringp name)
+ (values nil t name))
+ (t
+ (let ((exp (info :function :inline-expansion name)))
+ (if exp
+ (values exp nil name)
+ (values nil t name))))))
+ (values nil t name))))
\f
;;; miscellaneous full function definitions of things which are
;;; ordinarily handled magically by the compiler
projects / sbcl.git / blobdiff