0.8.18.34:
[sbcl.git] / src / compiler / ir1tran-lambda.lisp
index 88d3429..75c81ea 100644 (file)
                                          :aux-vars (rest aux-vars)
                                          :aux-vals (rest aux-vals)
                                          :debug-name (debug-namify
-                                                      "&AUX bindings ~S"
+                                                      "&AUX bindings " 
                                                       aux-vars))))
        (reference-leaf start ctran fun-lvar fun)
        (ir1-convert-combination-args fun-lvar ctran next result
                                      (rest svars))))))
   (values))
 
-;;; FIXME: this is the interface of the CMUCL WITH-DYNAMIC-EXTENT
-;;; macro.  It is slightly confusing, in that START and BODY-START are
-;;; already-existing CTRANs (and FIXME: probably deserve a ONCE-ONLY),
-;;; whereas NEXT is a variable naming a CTRAN in the body.  -- CSR,
-;;; 2004-03-30.
-(defmacro with-dynamic-extent ((start body-start next kind) &body body)
-  (declare (ignore kind))
-  (with-unique-names (cleanup next-ctran)
-    `(progn
-      (ctran-starts-block ,body-start)
-      (let ((,cleanup (make-cleanup :kind :dynamic-extent))
-           (,next-ctran (make-ctran))
-           (,next (make-ctran)))
-       (ir1-convert ,start ,next-ctran nil '(%dynamic-extent-start))
-       (setf (cleanup-mess-up ,cleanup) (ctran-use ,next-ctran))
-       (let ((*lexenv* (make-lexenv :cleanup ,cleanup)))
-         (ir1-convert ,next-ctran ,next nil '(%cleanup-point))
-         (locally ,@body))))))
-
 ;;; Create a lambda node out of some code, returning the result. The
 ;;; bindings are specified by the list of VAR structures VARS. We deal
 ;;; with adding the names to the LEXENV-VARS for the conversion. The
                   :%source-name source-name
                   :%debug-name debug-name))
         (result-ctran (make-ctran))
-         (result-lvar (make-lvar))
-        (dx-rest nil))
+         (result-lvar (make-lvar)))
 
     (awhen (lexenv-lambda *lexenv*)
       (push lambda (lambda-children it))
                (t
                  (when note-lexical-bindings
                    (note-lexical-binding (leaf-source-name var)))
-                (new-venv (cons (leaf-source-name var) var)))))
-       (let ((info (lambda-var-arg-info var)))
-         (when (and info
-                    (eq (arg-info-kind info) :rest)
-                    (leaf-dynamic-extent var))
-           (setq dx-rest t))))
+                (new-venv (cons (leaf-source-name var) var))))))
 
       (let ((*lexenv* (make-lexenv :vars (new-venv)
                                   :lambda lambda
             (ctran-starts-block prebind-ctran)
             (link-node-to-previous-ctran bind prebind-ctran)
             (use-ctran bind postbind-ctran)
-           (if dx-rest
-               (with-dynamic-extent (postbind-ctran result-ctran dx :rest)
-                 (ir1-convert-special-bindings dx result-ctran result-lvar
-                                               body aux-vars aux-vals
-                                               (svars)))
-               (ir1-convert-special-bindings postbind-ctran result-ctran
-                                             result-lvar body
-                                             aux-vars aux-vals (svars)))))))
+           (ir1-convert-special-bindings postbind-ctran result-ctran
+                                          result-lvar body
+                                          aux-vars aux-vals (svars))))))
 
     (link-blocks (component-head *current-component*) (node-block bind))
     (push lambda (component-new-functionals *current-component*))
                                                        ,@(default-vals))))
                                          arg-vars
                                          :debug-name
-                                         (debug-namify "&OPTIONAL processor ~D"
-                                                       (random 100))
+                                         (debug-namify "&OPTIONAL processor "
+                                                      (gensym))
                                          :note-lexical-bindings nil))))
     (mapc (lambda (var arg-var)
            (when (cdr (leaf-refs arg-var))
                                 :type (leaf-type var)
                                 :where-from (leaf-where-from var))))
 
-    (let* ((n-context (gensym "N-CONTEXT-"))
+    (let* ((*allow-instrumenting* nil)
+           (n-context (gensym "N-CONTEXT-"))
           (context-temp (make-lambda-var :%source-name n-context))
           (n-count (gensym "N-COUNT-"))
           (count-temp (make-lambda-var :%source-name n-count
 
       (when rest
        (arg-vals `(%listify-rest-args
-                   ,n-context ,n-count ,(leaf-dynamic-extent rest))))
+                   ,n-context ,n-count)))
       (when morep
        (arg-vals n-context)
        (arg-vals n-count))
                 (tests `((eq ,n-key :allow-other-keys)
                          (setq ,n-allowp ,n-value-temp))))
              (tests `(t
-                      (setq ,n-losep ,n-key))))
+                      (setq ,n-losep (list ,n-key)))))
 
            (body
             `(when (oddp ,n-count)
 
            (unless allowp
              (body `(when (and ,n-losep (not ,n-allowp))
-                      (%unknown-key-arg-error ,n-losep)))))))
+                      (%unknown-key-arg-error (car ,n-losep))))))))
 
       (let ((ep (ir1-convert-lambda-body
                 `((let ,(temps)
                     (%funcall ,(optional-dispatch-main-entry res)
                               ,@(arg-vals))))
                 (arg-vars)
-                :debug-name (debug-namify "~S processing" '&more)
+                :debug-name "&MORE processing"
                  :note-lexical-bindings nil)))
        (setf (optional-dispatch-more-entry res)
               (register-entry-point ep res)))))
                        body (main-vars)
                        :aux-vars (append (bind-vars) aux-vars)
                        :aux-vals (append (bind-vals) aux-vals)
-                       :debug-name (debug-namify "varargs entry for ~A"
-                                                 (as-debug-name source-name
-                                                                debug-name))))
+                       :debug-name (debug-namify
+                                    "varargs entry for " source-name debug-name)))
           (last-entry (convert-optional-entry main-entry default-vars
                                               (main-vals) ())))
       (setf (optional-dispatch-main-entry res)
                         :aux-vars aux-vars
                         :aux-vals aux-vals
                         :debug-name (debug-namify
-                                     "hairy arg processor for ~A"
-                                     (as-debug-name source-name
-                                                    debug-name)))))
+                                     "hairy arg processor for "
+                                     source-name
+                                     debug-name))))
                (setf (optional-dispatch-main-entry res) fun)
                (register-entry-point fun res)
                (push (if supplied-p-p
                                      &key
                                      (source-name '.anonymous.)
                                      (debug-name (debug-namify
-                                                  "OPTIONAL-DISPATCH ~S"
+                                                  "OPTIONAL-DISPATCH "
                                                   vars)))
   (declare (list body vars aux-vars aux-vals))
   (let ((res (make-optional-dispatch :arglist vars
 
 ;;; Convert a LAMBDA form into a LAMBDA leaf or an OPTIONAL-DISPATCH leaf.
 (defun ir1-convert-lambda (form &key (source-name '.anonymous.)
-                           debug-name
-                           allow-debug-catch-tag)
+                           debug-name)
 
   (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))
 
-  (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))
-       (binding* (((*lexenv* result-type)
-                    (process-decls decls (append aux-vars vars) nil))
-                   (forms (if (and *allow-debug-catch-tag*
-                                   (policy *lexenv* (>= insert-debug-catch 2)))
-                              `((catch (make-symbol "SB-DEBUG-CATCH-TAG")
-                                  ,@forms))
-                              forms))
-                   (forms (if (eq result-type *wild-type*)
-                              forms
-                              `((the ,result-type (progn ,@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
-                                                      :source-name source-name
-                                                      :debug-name debug-name)
-                            (ir1-convert-lambda-body forms vars
-                                                     :aux-vars aux-vars
-                                                     :aux-vals aux-vals
-                                                     :source-name source-name
-                                                     :debug-name debug-name))))
-         (setf (functional-inline-expansion res) form)
-         (setf (functional-arg-documentation res) (cadr form))
-         res)))))
+  (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))
+      (binding* (((*lexenv* result-type)
+                  (process-decls decls (append aux-vars vars) nil))
+                 (forms (if (and *allow-instrumenting*
+                                 (policy *lexenv* (>= insert-debug-catch 2)))
+                            `((catch (locally (declare (optimize (insert-step-conditions 0)))
+                                       (make-symbol "SB-DEBUG-CATCH-TAG"))
+                                ,@forms))
+                            forms))
+                 (forms (if (eq result-type *wild-type*)
+                            forms
+                            `((the ,result-type (progn ,@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
+                                                    :source-name source-name
+                                                    :debug-name debug-name)
+                          (ir1-convert-lambda-body forms vars
+                                                   :aux-vars aux-vars
+                                                   :aux-vals aux-vals
+                                                   :source-name source-name
+                                                   :debug-name debug-name))))
+        (setf (functional-inline-expansion res) form)
+        (setf (functional-arg-documentation res) (cadr form))
+        res))))
 
 ;;; helper for LAMBDA-like things, to massage them into a form
 ;;; suitable for IR1-CONVERT-LAMBDA.
 ;;; 2003-01-25
 (defun ir1-convert-lambdalike (thing &rest args
                               &key (source-name '.anonymous.)
-                              debug-name allow-debug-catch-tag)
-  (declare (ignorable source-name debug-name allow-debug-catch-tag))
+                              debug-name)
+  (declare (ignorable source-name debug-name))
   (ecase (car thing)
     ((lambda) (apply #'ir1-convert-lambda thing args))
     ((instance-lambda)
 ;;; reflect the state at the definition site.
 (defun ir1-convert-inline-lambda (fun &key
                                      (source-name '.anonymous.)
-                                     debug-name
-                                     allow-debug-catch-tag)
-  (declare (ignore allow-debug-catch-tag))
+                                     debug-name)
   (destructuring-bind (decls macros symbol-macros &rest body)
                      (if (eq (car fun) 'lambda-with-lexenv)
                          (cdr fun)
                     :policy (lexenv-policy *lexenv*))))
       (ir1-convert-lambda `(lambda ,@body)
                          :source-name source-name
-                         :debug-name debug-name
-                         :allow-debug-catch-tag nil))))
+                         :debug-name debug-name))))
 
 ;;; Get a DEFINED-FUN object for a function we are about to define. If
 ;;; the function has been forward referenced, then substitute for the
 ;;;
 ;;; The INLINE-EXPANSION is a LAMBDA-WITH-LEXENV, or NIL if there is
 ;;; no inline expansion.
-(defun %compiler-defun (name lambda-with-lexenv)
+(defun %compiler-defun (name lambda-with-lexenv compile-toplevel)
 
   (let ((defined-fun nil)) ; will be set below if we're in the compiler
 
-    (when (boundp '*lexenv*) ; when in the compiler
+    (when compile-toplevel
+      ;; better be in the compiler
+      (aver (boundp '*lexenv*)) 
       (when sb!xc:*compile-print*
        (compiler-mumble "~&; recognizing DEFUN ~S~%" name))
       (remhash name *free-funs*)
-      (setf defined-fun (get-defined-fun name)))
+      (setf defined-fun (get-defined-fun name))
 
-    (become-defined-fun-name name)
+      (aver (fasl-output-p *compile-object*))
+      (if (member name *fun-names-in-this-file* :test #'equal)
+         (warn 'duplicate-definition :name name)
+         (push name *fun-names-in-this-file*)))
 
+    (become-defined-fun-name name)
+    
     (cond (lambda-with-lexenv
           (setf (info :function :inline-expansion-designator name)
                 lambda-with-lexenv)