0.7.3.2:
[sbcl.git] / src / compiler / main.lisp
index 37ae369..c44d601 100644 (file)
 (in-package "SB!C")
 
 ;;; FIXME: Doesn't this belong somewhere else, like early-c.lisp?
-(declaim (special *constants* *free-variables* *component-being-compiled*
+(declaim (special *constants* *free-vars* *component-being-compiled*
                  *code-vector* *next-location* *result-fixups*
-                 *free-functions* *source-paths*
-                 *seen-blocks* *seen-functions* *list-conflicts-table*
+                 *free-funs* *source-paths*
+                 *seen-blocks* *seen-funs* *list-conflicts-table*
                  *continuation-number* *continuation-numbers*
                  *number-continuations* *tn-id* *tn-ids* *id-tns*
                  *label-ids* *label-id* *id-labels*
 ;;; :BLOCK-COMPILE and :ENTRY-POINTS arguments that COMPILE-FILE was
 ;;; called with.
 ;;;
-;;; *BLOCK-COMPILE-ARGUMENT* holds the original value of the
-;;; :BLOCK-COMPILE argument, which overrides any internal
-;;; declarations.
+;;; *BLOCK-COMPILE-ARG* holds the original value of the :BLOCK-COMPILE
+;;; argument, which overrides any internal declarations.
 (defvar *block-compile*)
-(defvar *block-compile-argument*)
-(declaim (type (member nil t :specified)
-              *block-compile* *block-compile-argument*))
+(defvar *block-compile-arg*)
+(declaim (type (member nil t :specified) *block-compile* *block-compile-arg*))
 (defvar *entry-points*)
 (declaim (list *entry-points*))
 
     (declare (special *constraint-number* *delayed-ir1-transforms*))
     (loop
       (ir1-optimize-until-done component)
-      (when (or (component-new-funs component)
-               (component-reanalyze-funs component))
+      (when (or (component-new-functionals component)
+               (component-reanalyze-functionals component))
        (maybe-mumble "locall ")
        (locall-analyze-component component))
       (dfo-as-needed component)
       (flet ((want-reoptimization-p ()
               (or (component-reoptimize component)
                   (component-reanalyze component)
-                  (component-new-funs component)
-                  (component-reanalyze-funs component))))
+                  (component-new-functionals component)
+                  (component-reanalyze-functionals component))))
        (unless (and (want-reoptimization-p)
                     ;; We delay the generation of type checks until
                     ;; the type constraints have had time to
 ;;;; global data structures entirely when possible and consing up the
 ;;;; others from scratch instead of clearing and reusing them?
 
-;;; Clear the INFO in constants in the *FREE-VARIABLES*, etc. In
+;;; Clear the INFO in constants in the *FREE-VARS*, etc. In
 ;;; addition to allowing stuff to be reclaimed, this is required for
 ;;; correct assignment of constant offsets, since we need to assign a
 ;;; new offset for each component. We don't clear the FUNCTIONAL-INFO
             (declare (ignore k))
             (when (constant-p v)
               (setf (leaf-info v) nil)))
-          *free-variables*)
+          *free-vars*)
   (values))
 
 ;;; Blow away the REFS for all global variables, and let COMPONENT
                      x))
           (here-p (x)
             (eq (node-component x) component)))
-    (blast *free-variables*)
-    (blast *free-functions*)
+    (blast *free-vars*)
+    (blast *free-funs*)
     (blast *constants*))
   (values))
 
 (defun clear-stuff (&optional (debug-too t))
 
   ;; Clear global tables.
-  (when (boundp '*free-functions*)
-    (clrhash *free-functions*)
-    (clrhash *free-variables*)
+  (when (boundp '*free-funs*)
+    (clrhash *free-funs*)
+    (clrhash *free-vars*)
     (clrhash *constants*))
 
   ;; Clear debug counters and tables.
   (clrhash *seen-blocks*)
-  (clrhash *seen-functions*)
+  (clrhash *seen-funs*)
   (clrhash *list-conflicts-table*)
 
   (when debug-too
 \f
 ;;;; trace output
 
-;;; Print out some useful info about Component to Stream.
+;;; Print out some useful info about COMPONENT to STREAM.
 (defun describe-component (component *standard-output*)
   (declare (type component component))
   (format t "~|~%;;;; component: ~S~2%" (component-name component))
 ;;;; the error context and for recovering from errors.
 ;;;;
 ;;;; The interface we provide to this stuff is the stream-oid
-;;;; Source-Info structure. The bookkeeping is done as a side-effect
+;;;; SOURCE-INFO structure. The bookkeeping is done as a side effect
 ;;;; of getting the next source form.
 
 ;;; A FILE-INFO structure holds all the source information for a
 
 ;;; Compile FORM and arrange for it to be called at load-time. Return
 ;;; the dumper handle and our best guess at the type of the object.
-(defun compile-load-time-value
-       (form &optional
-            (name (let ((*print-level* 2) (*print-length* 3))
-                    (format nil "load time value of ~S"
-                            (if (and (listp form)
-                                     (eq (car form) 'make-value-cell))
-                                (second form)
-                                form)))))
-  (let ((lambda (compile-load-time-stuff form name t)))
+(defun compile-load-time-value (form)
+  (let ((lambda (compile-load-time-stuff form t)))
     (values
      (fasl-dump-load-time-value-lambda lambda *compile-object*)
      (let ((type (leaf-type lambda)))
 
 ;;; Compile the FORMS and arrange for them to be called (for effect,
 ;;; not value) at load time.
-(defun compile-make-load-form-init-forms (forms name)
-  (let ((lambda (compile-load-time-stuff `(progn ,@forms) name nil)))
+(defun compile-make-load-form-init-forms (forms)
+  (let ((lambda (compile-load-time-stuff `(progn ,@forms) nil)))
     (fasl-dump-toplevel-lambda-call lambda *compile-object*)))
 
 ;;; Do the actual work of COMPILE-LOAD-TIME-VALUE or
 ;;; COMPILE-MAKE-LOAD-FORM-INIT-FORMS.
-(defun compile-load-time-stuff (form name for-value)
+(defun compile-load-time-stuff (form for-value)
   (with-ir1-namespace
    (let* ((*lexenv* (make-null-lexenv))
          (lambda (ir1-toplevel form *current-path* for-value)))
                                          (node-component (lambda-bind x)))
                                         :toplevel)))
                              lambdas
-                             :start start)
+                             ;; this used to read ":start start", but
+                             ;; start can be greater than len, which
+                             ;; is an error according to ANSI - CSR,
+                             ;; 2002-04-25
+                             :start (min start len))
                 len)))
       (do* ((start 0 (1+ loser))
            (loser (loser start) (loser start)))
 ;;; Return (VALUES NIL WARNINGS-P FAILURE-P).
 (defun sub-compile-file (info)
   (declare (type source-info info))
-  (let* ((*block-compile* *block-compile-argument*)
+  (let* ((*block-compile* *block-compile-arg*)
         (*package* (sane-package))
         (*policy* *policy*)
         (*lexenv* (make-null-lexenv))
 
      ;; extensions
      (trace-file nil) 
-     ((:block-compile *block-compile-argument*) nil))
+     ((:block-compile *block-compile-arg*) nil))
 
   #!+sb-doc
   "Compile INPUT-FILE, producing a corresponding fasl file and returning
 ;;; deal with it.
 (defvar *constants-being-created* nil)
 (defvar *constants-created-since-last-init* nil)
-;;; FIXME: Shouldn't these^ variables be bound in LET forms?
+;;; FIXME: Shouldn't these^ variables be unbound outside LET forms?
 (defun emit-make-load-form (constant)
   (aver (fasl-output-p *compile-object*))
   (unless (or (fasl-constant-already-dumped-p constant *compile-object*)
                   (fasl-note-handle-for-constant
                    constant
                    (compile-load-time-value
-                    creation-form
-                    (format nil "creation form for ~A" name))
+                    creation-form)
                    *compile-object*)
                   nil)
               (compiler-error "circular references in creation form for ~S"
                       (loop for (name form) on (cdr info) by #'cddr
                         collect name into names
                         collect form into forms
-                        finally
-                        (compile-make-load-form-init-forms
-                         forms
-                         (format nil "init form~:[~;s~] for ~{~A~^, ~}"
-                                 (cdr forms) names)))
+                        finally (compile-make-load-form-init-forms forms))
                       nil)))
               (when circular-ref
                 (setf (cdr circular-ref)