to optimize code which uses those definitions? Setting this true
gives non-ANSI, early-CMU-CL behavior. It can be useful for improving
the efficiency of stable code.")
+
+;;; *ALLOW-DEBUG-CATCH-TAG* controls whether we should allow the
+;;; insertion a (CATCH ...) around code to allow the debugger RETURN
+;;; command to function.
+(defvar *allow-debug-catch-tag* t)
\f
;;;; namespace management utilities
(push node-block (block-pred block))
(add-continuation-use node cont)
(unless (eq (continuation-asserted-type cont) *wild-type*)
- (let ((new (values-type-union (continuation-asserted-type cont)
- (or (lexenv-find cont type-restrictions)
- *wild-type*))))
- (when (type/= new (continuation-asserted-type cont))
- (setf (continuation-asserted-type cont) new)
+ (let* ((restriction (or (lexenv-find cont type-restrictions)
+ *wild-type*))
+ (wrestriction (or (lexenv-find cont weakend-type-restrictions)
+ *wild-type*))
+ (newatype (values-type-union (continuation-asserted-type cont)
+ restriction))
+ (newctype (values-type-union (continuation-type-to-check cont)
+ wrestriction)))
+ (when (or (type/= newatype (continuation-asserted-type cont))
+ (type/= newctype (continuation-type-to-check cont)))
+ (setf (continuation-asserted-type cont) newatype)
+ (setf (continuation-type-to-check cont) newctype)
(reoptimize-continuation cont))))))
\f
;;;; exported functions
opname
:debug-name (debug-namify
"LAMBDA CAR ~S"
- opname)))))))))
+ opname)
+ :allow-debug-catch-tag t))))))))
(values))
;; Generate a reference to a manifest constant, creating a new leaf
;; or the cross-compiler which encountered the problem?"
#+sb-xc-host "(in cross-compiler macroexpansion of ~S)"
form))))
- (handler-bind (;; When cross-compiling, we can get style warnings
- ;; about e.g. undefined functions. An unhandled
- ;; CL:STYLE-WARNING (as opposed to a
- ;; SB!C::COMPILER-NOTE) would cause FAILURE-P to be
- ;; set on the return from #'SB!XC:COMPILE-FILE, which
- ;; would falsely indicate an error sufficiently
- ;; serious that we should stop the build process. To
- ;; avoid this, we translate CL:STYLE-WARNING
- ;; conditions from the host Common Lisp into
- ;; cross-compiler SB!C::COMPILER-NOTE calls. (It
- ;; might be cleaner to just make Python use
- ;; CL:STYLE-WARNING internally, so that the
- ;; significance of any host Common Lisp
- ;; CL:STYLE-WARNINGs is understood automatically. But
- ;; for now I'm not motivated to do this. -- WHN
- ;; 19990412)
- (style-warning (lambda (c)
- (compiler-note "~@<~A~:@_~A~:@_~A~:>"
- (wherestring) hint c)
- (muffle-warning-or-die)))
- ;; KLUDGE: CMU CL in its wisdom (version 2.4.6 for
+ (handler-bind ((style-warning (lambda (c)
+ (compiler-style-warn
+ "~@<~A~:@_~A~@:_~A~:>"
+ (wherestring) hint c)
+ (muffle-warning-or-die)))
+ ;; KLUDGE: CMU CL in its wisdom (version 2.4.6 for
;; Debian Linux, anyway) raises a CL:WARNING
;; condition (not a CL:STYLE-WARNING) for undefined
;; symbols when converting interpreted functions,
;; and this code does so, by crudely suppressing all
;; warnings in cross-compilation macroexpansion. --
;; WHN 19990412
- #+cmu
+ #+(and cmu sb-xc-host)
(warning (lambda (c)
(compiler-note
"~@<~A~:@_~
(wherestring)
c)
(muffle-warning-or-die)))
+ #-(and cmu sb-xc-host)
+ (warning (lambda (c)
+ (compiler-warn "~@<~A~:@_~A~@:_~A~:>"
+ (wherestring) hint c)
+ (muffle-warning-or-die)))
(error (lambda (c)
(compiler-error "~@<~A~:@_~A~@:_~A~:>"
(wherestring) hint c))))
(let ((node (make-combination fun-cont)))
(setf (continuation-dest fun-cont) node)
(assert-continuation-type fun-cont
- (specifier-type '(or function symbol)))
+ (specifier-type '(or function symbol))
+ (lexenv-policy *lexenv*))
(setf (continuation-%externally-checkable-type fun-cont) nil)
(collect ((arg-conts))
(let ((this-start fun-cont))
;;; declarations that constrain the type of lexically apparent
;;; functions.
(defun process-ftype-decl (spec res names fvars)
- (declare (list spec names fvars) (type lexenv res))
+ (declare (type type-specifier spec)
+ (type list names fvars)
+ (type lexenv res))
(let ((type (compiler-specifier-type spec)))
(collect ((res nil cons))
(dolist (name names)
(make-lambda-var :%source-name name)))))
;;; Make the default keyword for a &KEY arg, checking that the keyword
-;;; isn't already used by one of the VARS. We also check that the
-;;; keyword isn't the magical :ALLOW-OTHER-KEYS.
+;;; isn't already used by one of the VARS.
(declaim (ftype (function (symbol list t) keyword) make-keyword-for-arg))
(defun make-keyword-for-arg (symbol vars keywordify)
(let ((key (if (and keywordify (not (keywordp symbol)))
(keywordicate symbol)
symbol)))
- (when (eq key :allow-other-keys)
- (compiler-error "No &KEY arg can be called :ALLOW-OTHER-KEYS."))
(dolist (var vars)
(let ((info (lambda-var-arg-info var)))
(when (and info
(n-allowp (gensym "N-ALLOWP-"))
(n-losep (gensym "N-LOSEP-"))
(allowp (or (optional-dispatch-allowp res)
- (policy *lexenv* (zerop safety)))))
+ (policy *lexenv* (zerop safety))))
+ (found-allow-p nil))
(temps `(,n-index (1- ,n-count)) n-key n-value-temp)
(body `(declare (fixnum ,n-index) (ignorable ,n-key ,n-value-temp)))
(default (arg-info-default info))
(keyword (arg-info-key info))
(supplied-p (arg-info-supplied-p info))
- (n-value (gensym "N-VALUE-")))
- (temps `(,n-value ,default))
- (cond (supplied-p
- (let ((n-supplied (gensym "N-SUPPLIED-")))
- (temps n-supplied)
- (arg-vals n-value n-supplied)
- (tests `((eq ,n-key ',keyword)
- (setq ,n-supplied t)
- (setq ,n-value ,n-value-temp)))))
- (t
- (arg-vals n-value)
- (tests `((eq ,n-key ',keyword)
- (setq ,n-value ,n-value-temp)))))))
+ (n-value (gensym "N-VALUE-"))
+ (clause (cond (supplied-p
+ (let ((n-supplied (gensym "N-SUPPLIED-")))
+ (temps n-supplied)
+ (arg-vals n-value n-supplied)
+ `((eq ,n-key ',keyword)
+ (setq ,n-supplied t)
+ (setq ,n-value ,n-value-temp))))
+ (t
+ (arg-vals n-value)
+ `((eq ,n-key ',keyword)
+ (setq ,n-value ,n-value-temp))))))
+ (when (and (not allowp) (eq keyword :allow-other-keys))
+ (setq found-allow-p t)
+ (setq clause
+ (append clause `((setq ,n-allowp ,n-value-temp)))))
+
+ (temps `(,n-value ,default))
+ (tests clause)))
(unless allowp
(temps n-allowp n-losep)
- (tests `((eq ,n-key :allow-other-keys)
- (setq ,n-allowp ,n-value-temp)))
+ (unless found-allow-p
+ (tests `((eq ,n-key :allow-other-keys)
+ (setq ,n-allowp ,n-value-temp))))
(tests `(t
(setq ,n-losep ,n-key))))
res))
;;; Convert a LAMBDA form into a LAMBDA leaf or an OPTIONAL-DISPATCH leaf.
-(defun ir1-convert-lambda (form &key (source-name '.anonymous.) debug-name)
+(defun ir1-convert-lambda (form &key (source-name '.anonymous.)
+ debug-name
+ allow-debug-catch-tag)
(unless (consp form)
(compiler-error "A ~S was found when expecting a lambda expression:~% ~S"
"The lambda expression has a missing or non-list lambda list:~% ~S"
form))
- (multiple-value-bind (vars keyp allow-other-keys aux-vars aux-vals)
- (make-lambda-vars (cadr form))
- (multiple-value-bind (forms decls) (parse-body (cddr form))
- (let* ((result-cont (make-continuation))
- (*lexenv* (process-decls decls
- (append aux-vars vars)
- nil result-cont))
- (res (if (or (find-if #'lambda-var-arg-info vars) keyp)
- (ir1-convert-hairy-lambda forms vars keyp
- allow-other-keys
- aux-vars aux-vals result-cont
- :source-name source-name
- :debug-name debug-name)
- (ir1-convert-lambda-body forms vars
- :aux-vars aux-vars
- :aux-vals aux-vals
- :result result-cont
- :source-name source-name
- :debug-name debug-name))))
- (setf (functional-inline-expansion res) form)
- (setf (functional-arg-documentation res) (cadr form))
- res))))
+ (let ((*allow-debug-catch-tag* (and *allow-debug-catch-tag* allow-debug-catch-tag)))
+ (multiple-value-bind (vars keyp allow-other-keys aux-vars aux-vals)
+ (make-lambda-vars (cadr form))
+ (multiple-value-bind (forms decls) (parse-body (cddr form))
+ (let* ((result-cont (make-continuation))
+ (*lexenv* (process-decls decls
+ (append aux-vars vars)
+ nil result-cont))
+ (forms (if (and *allow-debug-catch-tag*
+ (policy *lexenv* (> debug (max speed space))))
+ `((catch (make-symbol "SB-DEBUG-CATCH-TAG")
+ ,@forms))
+ forms))
+ (res (if (or (find-if #'lambda-var-arg-info vars) keyp)
+ (ir1-convert-hairy-lambda forms vars keyp
+ allow-other-keys
+ aux-vars aux-vals result-cont
+ :source-name source-name
+ :debug-name debug-name)
+ (ir1-convert-lambda-body forms vars
+ :aux-vars aux-vars
+ :aux-vals aux-vals
+ :result result-cont
+ :source-name source-name
+ :debug-name debug-name))))
+ (setf (functional-inline-expansion res) form)
+ (setf (functional-arg-documentation res) (cadr form))
+ res)))))
\f
;;;; defining global functions