(in-package "SB!C")
;;; ANSI limits on compilation
-(def!constant sb!xc:call-arguments-limit most-positive-fixnum
+(def!constant sb!xc:call-arguments-limit sb!xc:most-positive-fixnum
#!+sb-doc
"The exclusive upper bound on the number of arguments which may be passed
to a function, including &REST args.")
-(def!constant sb!xc:lambda-parameters-limit most-positive-fixnum
+(def!constant sb!xc:lambda-parameters-limit sb!xc:most-positive-fixnum
#!+sb-doc
- "The exclusive upper bound on the number of parameters which may be specifed
+ "The exclusive upper bound on the number of parameters which may be specified
in a given lambda list. This is actually the limit on required and &OPTIONAL
parameters. With &KEY and &AUX you can get more.")
-(def!constant sb!xc:multiple-values-limit most-positive-fixnum
+(def!constant sb!xc:multiple-values-limit sb!xc:most-positive-fixnum
#!+sb-doc
"The exclusive upper bound on the number of multiple VALUES that you can
return.")
-
-(defconstant-eqx sb!xc:lambda-list-keywords
- '(&allow-other-keys
- &aux
- &body
- &environment
- &key
- &more
- &optional
- &rest
- &whole)
- #'equal
- #!+sb-doc
- "symbols which are magical in a lambda list")
\f
;;;; cross-compiler-only versions of CL special variables, so that we
;;;; don't have weird interactions with the host compiler
(defvar *constants*)
(declaim (type hash-table *constants*))
+;;; *ALLOW-INSTRUMENTING* controls whether we should allow the
+;;; insertion of instrumenting code (like a (CATCH ...)) around code
+;;; to allow the debugger RETURN and STEP commands to function (we
+;;; disallow it for internal stuff).
+(defvar *allow-instrumenting*)
+
;;; miscellaneous forward declarations
(defvar *code-segment*)
#!+sb-dyncount (defvar *collect-dynamic-statistics*)
(defvar *compiler-style-warning-count*)
(defvar *compiler-note-count*)
(defvar *compiler-trace-output*)
-(defvar *constraint-number*)
+(defvar *constraint-universe*)
(defvar *count-vop-usages*)
(defvar *current-path*)
(defvar *current-component*)
(defvar *delayed-ir1-transforms*)
+(defvar *eval-tlf-index*)
+(defvar *handled-conditions*)
+(defvar *disabled-package-locks*)
(defvar *policy*)
(defvar *dynamic-counts-tn*)
(defvar *elsewhere*)
(defvar *fixup-notes*)
(defvar *in-pack*)
(defvar *info-environment*)
+#!+inline-constants
+(progn
+ (defvar *constant-segment*)
+ (defvar *constant-table*)
+ (defvar *constant-vector*))
(defvar *lexenv*)
(defvar *source-info*)
+(defvar *source-plist*)
+(defvar *source-namestring*)
(defvar *trace-table*)
(defvar *undefined-warnings*)
(defvar *warnings-p*)
+(defvar *lambda-conversions*)
+
+(defvar *stack-allocate-dynamic-extent* t
+ "If true (the default), the compiler respects DYNAMIC-EXTENT declarations
+and stack allocates otherwise inaccessible parts of the object whenever
+possible. Potentially long (over one page in size) vectors are, however, not
+stack allocated except in zero SAFETY code, as such a vector could overflow
+the stack without triggering overflow protection.")
+
+(!begin-collecting-cold-init-forms)
+;;; This lock is seized in the compiler, and related areas -- like the
+;;; classoid/layout/class system.
+(defglobal **world-lock** nil)
+(!cold-init-forms
+ (setf **world-lock** (sb!thread:make-mutex :name "World Lock")))
+(!defun-from-collected-cold-init-forms !world-lock-cold-init)
+
+(defmacro with-world-lock (() &body body)
+ `(sb!thread:with-recursive-lock (**world-lock**)
+ ,@body))
+
+(declaim (type fixnum *compiler-sset-counter*))
+(defvar *compiler-sset-counter* 0)
;;; unique ID for the next object created (to let us track object
;;; identity even across GC, useful for understanding weird compiler
(defvar *object-id-counter* 0)
(defun new-object-id ()
(prog1
- *object-id-counter*
+ *object-id-counter*
(incf *object-id-counter*))))
\f
;;;; miscellaneous utilities
;;; benefit of the compiler, but it's sometimes called from stuff like
;;; type-defining code which isn't logically part of the compiler.
(declaim (ftype (function ((or symbol cons) keyword) (values))
- note-name-defined))
+ note-name-defined))
(defun note-name-defined (name kind)
;; We do this BOUNDP check because this function can be called when
;; not in a compilation unit (as when loading top level forms).
(when (boundp '*undefined-warnings*)
(setq *undefined-warnings*
- (delete-if (lambda (x)
- (and (equal (undefined-warning-name x) name)
- (eq (undefined-warning-kind x) kind)))
- *undefined-warnings*)))
+ (delete-if (lambda (x)
+ (and (equal (undefined-warning-name x) name)
+ (eq (undefined-warning-kind x) kind)))
+ *undefined-warnings*)))
(values))
;;; to be called when a variable is lexically bound
;; and then we happen to compile bar.lisp before foo.lisp.
(when (looks-like-name-of-special-var-p symbol)
;; FIXME: should be COMPILER-STYLE-WARNING?
- (style-warn "using the lexical binding of the symbol ~S, not the~@
-dynamic binding, even though the symbol name follows the usual naming~@
-convention (names like *FOO*) for special variables" symbol))
+ (style-warn 'sb!kernel:asterisks-around-lexical-variable-name
+ :format-control
+ "using the lexical binding of the symbol ~
+ ~/sb-impl::print-symbol-with-prefix/, not the~@
+ dynamic binding"
+ :format-arguments (list symbol)))
(values))
-;;; shorthand for creating debug names from source names or other
-;;; stems, e.g.
-;;; (DEBUG-NAMIFY "FLET ~S" SOURCE-NAME)
-;;; (DEBUG-NAMIFY "top level form ~S" FORM)
-;;;
-;;; FIXME: This function seems to have a lot in common with
-;;; STRINGIFY-FORM, and perhaps there's some way to merge the two
-;;; functions.
-(declaim (ftype (sfunction (string &rest t) string) debug-namify))
-(defun debug-namify (format-string &rest format-arguments)
- (with-standard-io-syntax
- (let ((*print-readably* nil)
- (*package* *cl-package*)
- (*print-length* 3)
- (*print-level* 2))
- (apply #'format nil format-string format-arguments))))
+(def!struct (debug-name-marker (:make-load-form-fun dump-debug-name-marker)
+ (:print-function print-debug-name-marker)))
+
+(defvar *debug-name-level* 4)
+(defvar *debug-name-length* 12)
+(defvar *debug-name-punt*)
+(defvar *debug-name-sharp*)
+(defvar *debug-name-ellipsis*)
+
+(eval-when (#-sb-xc :compile-toplevel :load-toplevel :execute)
+ (defun dump-debug-name-marker (marker &optional env)
+ (declare (ignore env))
+ (cond ((eq marker *debug-name-sharp*)
+ `(if (boundp '*debug-name-sharp*)
+ *debug-name-sharp*
+ (make-debug-name-marker)))
+ ((eq marker *debug-name-ellipsis*)
+ `(if (boundp '*debug-name-ellipsis*)
+ *debug-name-ellipsis*
+ (make-debug-name-marker)))
+ (t
+ (warn "Dumping unknown debug-name marker.")
+ '(make-debug-name-marker)))))
+
+(defun print-debug-name-marker (marker stream level)
+ (declare (ignore level))
+ (cond ((eq marker *debug-name-sharp*)
+ (write-char #\# stream))
+ ((eq marker *debug-name-ellipsis*)
+ (write-string "..." stream))
+ (t
+ (write-string "???" stream))))
+
+(setf *debug-name-sharp* (make-debug-name-marker)
+ *debug-name-ellipsis* (make-debug-name-marker))
+
+(defun debug-name (type thing &optional context)
+ (let ((*debug-name-punt* nil))
+ (labels ((walk (x)
+ (typecase x
+ (cons
+ (if (plusp *debug-name-level*)
+ (let ((*debug-name-level* (1- *debug-name-level*)))
+ (do ((tail (cdr x) (cdr tail))
+ (name (cons (walk (car x)) nil)
+ (cons (walk (car tail)) name))
+ (n (1- *debug-name-length*) (1- n)))
+ ((or (not (consp tail))
+ (not (plusp n))
+ *debug-name-punt*)
+ (cond (*debug-name-punt*
+ (setf *debug-name-punt* nil)
+ (nreverse name))
+ ((atom tail)
+ (nconc (nreverse name) (walk tail)))
+ (t
+ (setf *debug-name-punt* t)
+ (nconc (nreverse name) (list *debug-name-ellipsis*)))))))
+ *debug-name-sharp*))
+ ((or symbol number string)
+ x)
+ (t
+ (type-of x)))))
+ (let ((name (list* type (walk thing) (when context (name-context)))))
+ (when (legal-fun-name-p name)
+ (bug "~S is a legal function name, and cannot be used as a ~
+ debug name." name))
+ name))))
projects / sbcl.git / blobdiff