(in-package "SB!C")
-#!-sb-fluid (declaim (inline internal-make-lexenv)) ; only called in one place
-
;;; The LEXENV represents the lexical environment used for IR1 conversion.
;;; (This is also what shows up as an ENVIRONMENT value in macroexpansion.)
#!-sb-fluid (declaim (inline internal-make-lexenv)) ; only called in one place
(def!struct (lexenv
- (:constructor make-null-lexenv ())
- (:constructor make-null-interactive-lexenv
- (&aux (policy (list '(safety . 3)
- '(compilation-speed . 2)
- '(debug . 2)
- '(speed . 1)
- '(space . 1)
- '(inhibit-warnings . 1)))))
+ (:print-function print-lexenv)
+ (:constructor make-null-lexenv ())
(:constructor internal-make-lexenv
(funs vars blocks tags
type-restrictions
- weakend-type-restrictions
- lambda cleanup policy)))
+ lambda cleanup handled-conditions
+ disabled-package-locks policy)))
;; an alist of (NAME . WHAT), where WHAT is either a FUNCTIONAL (a
;; local function), a DEFINED-FUN, representing an
;; INLINE/NOTINLINE declaration, or a list (MACRO . <function>) (a
(vars nil :type list)
;; BLOCKS and TAGS are alists from block and go-tag names to 2-lists
;; of the form (<entry> <continuation>), where <continuation> is the
- ;; continuation to exit to, and <entry> is the corresponding ENTRY node.
+ ;; continuation to exit to, and <entry> is the corresponding ENTRY
+ ;; node.
(blocks nil :type list)
(tags nil :type list)
;; an alist (THING . CTYPE) which is used to keep track of
;; "pervasive" type declarations. When THING is a leaf, this is for
;; type declarations that pertain to the type in a syntactic extent
- ;; which does not correspond to a binding of the affected name. When
- ;; THING is a continuation, this is used to track the innermost THE
- ;; type declaration.
+ ;; which does not correspond to a binding of the affected name.
(type-restrictions nil :type list)
- (weakend-type-restrictions nil :type list)
;; the lexically enclosing lambda, if any
;;
;; FIXME: This should be :TYPE (OR CLAMBDA NULL), but it was too hard
;; to get CLAMBDA defined in time for the cross-compiler.
(lambda nil)
- ;; the lexically enclosing cleanup, or NIL if none enclosing within Lambda
+ ;; the lexically enclosing cleanup, or NIL if none enclosing within LAMBDA
(cleanup nil)
+ ;; condition types we handle with a handler around the compiler
+ (handled-conditions *handled-conditions*)
+ ;; lexically disabled package locks (list of symbols)
+ (disabled-package-locks *disabled-package-locks*)
;; the current OPTIMIZE policy
(policy *policy* :type policy))
(null (make-null-lexenv))
(lexenv x)))
+(defun null-lexenv-p (lexenv)
+ (equalp (coerce-to-lexenv lexenv) (make-null-lexenv)))
+
+(defun print-lexenv (lexenv stream level)
+ (if (null-lexenv-p lexenv)
+ (print-unreadable-object (lexenv stream)
+ (write-string "NULL-LEXENV" stream))
+ (default-structure-print lexenv stream level)))
+
(defun maybe-inline-syntactic-closure (lambda lexenv)
(declare (type list lambda) (type lexenv lexenv))
(aver (eql (first lambda) 'lambda))