(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
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.")
(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 *current-path*)
(defvar *current-component*)
(defvar *delayed-ir1-transforms*)
+(defvar *handled-conditions*)
+(defvar *disabled-package-locks*)
(defvar *policy*)
(defvar *dynamic-counts-tn*)
(defvar *elsewhere*)
(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
convention (names like *FOO*) for special variables" symbol))
(values))
-;;; Hacky (duplicating machinery found elsewhere because this function
-;;; turns out to be on a critical path in the compiler) shorthand for
-;;; creating debug names from source names or other stems, e.g.
-;;;
-;;; (DEBUG-NAMIFY "FLET " SOURCE-NAME) -> "FLET FOO:BAR"
-;;; (DEBUG-NAMIFY "top level form " FORM) -> "top level form (QUUX :FOO)"
-;;;
-;;; If ALT is given it must be a string -- it is then used in place of
-;;; either HEAD or TAIL if either of them is EQ to SB-C::.ANONYMOUS.
-;;;
-(declaim (inline debug-namify))
-(defun debug-namify (head tail &optional alt)
- (declare (type (or null string) alt))
- (flet ((symbol-debug-name (symbol)
- ;; KLUDGE: (OAOOM warning) very much akin to OUTPUT-SYMBOL.
- (if (and alt (eq '.anonymous. symbol))
- alt
- (let ((package (symbol-package symbol))
- (name (symbol-name symbol)))
- (cond
- ((eq package *keyword-package*)
- (concatenate 'string ":" name))
- ((eq package *cl-package*)
- name)
- ((null package)
- (concatenate 'string "#:" name))
- (t
- (multiple-value-bind (symbol status)
- (find-symbol name package)
- (declare (ignore symbol))
- (concatenate 'string
- (package-name package)
- (if (eq status :external) ":" "::")
- name))))))))
- (cond ((and (stringp head) (stringp tail))
- (concatenate 'string head tail))
- ((and (stringp head) (symbolp tail))
- (concatenate 'string head (symbol-debug-name tail)))
- ((and (symbolp head) (stringp tail))
- (concatenate 'string (symbol-debug-name head) tail))
- (t
- (macrolet ((out (obj s)
- `(typecase ,obj
- (string (write-string ,obj ,s))
- (symbol (write-string (symbol-debug-name ,obj) ,s))
- (t (prin1 ,obj ,s)))))
- (with-standard-io-syntax
- (let ((*print-readably* nil)
- (*print-pretty* nil)
- (*package* *cl-package*)
- (*print-length* 3)
- (*print-level* 2))
- (with-output-to-string (s)
- (out head s)
- (out tail s)))))))))
+(defvar *debug-name-level* 6)
+
+(defun debug-name (type thing)
+ (labels ((walk (x level)
+ (if (> *debug-name-level* (incf level))
+ (typecase x
+ (cons
+ (cons (walk (car x) level) (walk (cdr x) level)))
+ ((or symbol number string)
+ x)
+ (t
+ (format nil "#<~S>" (type-of x))))
+ "#<...>")))
+ ;; FIXME: It might be nice to put markers in the tree instead of
+ ;; this #<...> business, so that they would evantually be printed
+ ;; without the quotes.
+ (let ((name (list type (walk thing 0))))
+ (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