(in-package "SB!C")
;;; ANSI limits on compilation
-(defconstant sb!xc:call-arguments-limit most-positive-fixnum
+(def!constant sb!xc:call-arguments-limit most-positive-fixnum
#!+sb-doc
"The exclusive upper bound on the number of arguments which may be passed
to a function, including &REST args.")
-(defconstant sb!xc:lambda-parameters-limit most-positive-fixnum
+(def!constant sb!xc:lambda-parameters-limit 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.")
-(defconstant sb!xc:multiple-values-limit most-positive-fixnum
+(def!constant sb!xc:multiple-values-limit most-positive-fixnum
#!+sb-doc
"The exclusive upper bound on the number of multiple VALUES that you can
return.")
(defvar *lexenv*)
(declaim (type lexenv *lexenv*))
-;;; *FREE-VARIABLES* translates from the names of variables referenced
-;;; globally to the LEAF structures for them. *FREE-FUNCTIONS* is like
-;;; *FREE-VARIABLES*, only it deals with function names.
-(defvar *free-variables*)
-(defvar *free-functions*)
-(declaim (type hash-table *free-variables* *free-functions*))
+;;; *FREE-VARS* translates from the names of variables referenced
+;;; globally to the LEAF structures for them. *FREE-FUNS* is like
+;;; *FREE-VARS*, only it deals with function names.
+(defvar *free-vars*)
+(defvar *free-funs*)
+(declaim (type hash-table *free-vars* *free-funs*))
;;; We use the same CONSTANT structure to represent all equal anonymous
;;; constants. This hashtable translates from constants to the LEAFs that
(defvar *current-path*)
(defvar *current-component*)
(defvar *delayed-ir1-transforms*)
+(defvar *handled-conditions*)
(defvar *policy*)
(defvar *dynamic-counts-tn*)
(defvar *elsewhere*)
(defvar *event-info*)
(defvar *event-note-threshold*)
(defvar *failure-p*)
-(defvar *fixups*)
+(defvar *fixup-notes*)
(defvar *in-pack*)
(defvar *info-environment*)
(defvar *lexenv*)
(defvar *trace-table*)
(defvar *undefined-warnings*)
(defvar *warnings-p*)
+
+;;; This lock is seized in the compiler, and related areas: the
+;;; compiler is not presently thread-safe
+(defvar *big-compiler-lock*
+ (sb!thread:make-mutex :name "big compiler lock"))
+
+;;; unique ID for the next object created (to let us track object
+;;; identity even across GC, useful for understanding weird compiler
+;;; bugs where something is supposed to be unique but is instead
+;;; exists as duplicate objects)
+#!+sb-show
+(progn
+ (defvar *object-id-counter* 0)
+ (defun new-object-id ()
+ (prog1
+ *object-id-counter*
+ (incf *object-id-counter*))))
\f
;;;; miscellaneous utilities
;; (FOO 14)))
;; 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~@
+ ;; 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))
(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)))))))))
projects / sbcl.git / blobdiff