(in-package "SB!IMPL")
;;; general case of EVAL (except in that it can't handle toplevel
-;;; EVAL-WHEN magic properly): Delegate to the byte compiler.
+;;; EVAL-WHEN magic properly): Delegate to #'COMPILE.
(defun %eval (expr)
(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))))
(eval (first i))
(return (eval (first i))))))
-;;; Pick off a few easy cases, and the various top-level EVAL-WHEN
+;;; Pick off a few easy cases, and the various top level EVAL-WHEN
;;; magical cases, and call %EVAL for the rest.
(defun eval (original-exp)
#!+sb-doc
(set (first args) (eval (second args)))))
(let ((symbol (first name)))
(case (info :variable :kind symbol)
- ;; FIXME: I took out the *TOP-LEVEL-AUTO-DECLARE*
- ;; test here, and removed the *TOP-LEVEL-AUTO-DECLARE*
+ ;; FIXME: I took out the *TOPLEVEL-AUTO-DECLARE*
+ ;; test here, and removed the *TOPLEVEL-AUTO-DECLARE*
;; variable; the code should now act as though that
;; variable is NIL. This should be tested..
(:special)
((progn)
(eval-progn-body (rest exp)))
((eval-when)
- ;; FIXME: DESTRUCTURING-BIND returns
- ;; DEFMACRO-LL-ARG-COUNT-ERROR instead of PROGRAM-ERROR
- ;; when there's something wrong with the syntax here (e.g.
- ;; missing SITUATIONS). This could be fixed by
- ;; hand-crafting clauses to catch and report each
- ;; possibility, but it would probably be cleaner to write
- ;; a new macro DESTRUCTURING-BIND-PROGRAM-SYNTAX which
- ;; does DESTRUCTURING-BIND and promotes any mismatch to
+ ;; FIXME: DESTRUCTURING-BIND returns ARG-COUNT-ERROR
+ ;; instead of PROGRAM-ERROR when there's something wrong
+ ;; with the syntax here (e.g. missing SITUATIONS). This
+ ;; could be fixed by hand-crafting clauses to catch and
+ ;; report each possibility, but it would probably be
+ ;; cleaner to write a new macro
+ ;; DESTRUCTURING-BIND-PROGRAM-SYNTAX which does
+ ;; DESTRUCTURING-BIND and promotes any mismatch to
;; PROGRAM-ERROR, then to use it here and in (probably
;; dozens of) other places where the same problem arises.
(destructuring-bind (eval-when situations &rest body) exp
(%eval original-exp))))))
(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))))
\f
;;; miscellaneous full function definitions of things which are
;;; ordinarily handled magically by the compiler
projects / sbcl.git / blobdiff