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-rw-r--r--sb-eval2.lisp54
1 files changed, 39 insertions, 15 deletions
diff --git a/sb-eval2.lisp b/sb-eval2.lisp
index 029c6a1..dd4de2c 100644
--- a/sb-eval2.lisp
+++ b/sb-eval2.lisp
@@ -381,8 +381,10 @@
(apply (the (or symbol function) (funcall (the eval-closure f) env))
(mapcar (lambda (x) (funcall (the eval-closure x) env)) args*)))))
-(declaim (ftype (function (list context) (values eval-closure &rest nil)) prepare-progn))
-(defun prepare-progn (forms context)
+(declaim (ftype (function (list context &optional symbol)
+ (values eval-closure &rest nil))
+ prepare-progn))
+(defun prepare-progn (forms context &optional (*mode* *mode*))
(let ((body* (mapcar (lambda (form) (prepare-form form context)) forms)))
(if (null body*)
(prepare-nil)
@@ -724,8 +726,10 @@
:format-control "Undefined variable: ~S"
:format-arguments (list var))))
-(declaim (ftype (function (* context) eval-closure) prepare-form))
-(defun prepare-form (form context)
+(defvar *mode* :not-compile-time)
+
+(declaim (ftype (function (* context &optional symbol) eval-closure) prepare-form))
+(defun prepare-form (form context &optional (mode *mode*) &aux (*mode* :execute))
;;(declare (optimize speed (safety 0) (space 1) (debug 0)))
;;(print form)
(values
@@ -737,7 +741,7 @@
(symbol
(let ((macro? (context-find-symbol-macro context form)))
(if macro?
- (prepare-form macro? context)
+ (prepare-form macro? context mode)
(prepare-ref form context))))
(cons
(case (first form)
@@ -810,16 +814,34 @@
(catch tag
(funcall body* env))))))
((declare)
- ;;FIXME
+ (warn "DECLARE in form context.")
(prepare-nil))
((eval-when)
(destructuring-bind ((&rest times) &body body) (rest form)
- (if (or (member :load-toplevel times)
- (member :execute times)
- (member 'load times)
- (member 'eval times))
- (prepare-progn body context)
- (prepare-nil))))
+ (cond ((member mode '(:not-compile-time :compile-time-too))
+ (let ((ct (or (member :compile-toplevel times)
+ (member 'cl:compile times)))
+ (lt (or (member :load-toplevel times)
+ (member 'cl:load times)))
+ (e (or (member :execute times)
+ (member 'cl:eval times))))
+ (cond ((and lt ct)
+ (prepare-progn body context :compile-time-too))
+ ((and lt e)
+ (prepare-progn body context mode))
+ (lt
+ (prepare-progn body context :not-compile-time))
+ (ct
+ (prepare-progn body context))
+ ((and e (eq mode :compile-time-too))
+ (prepare-progn body context))
+ (t
+ (prepare-nil)))))
+ ((or (member :execute times)
+ (member 'cl:eval times))
+ (prepare-progn body context))
+ (t
+ (prepare-nil)))))
((flet)
(destructuring-bind (bindings &rest exprs) (rest form)
(with-parsed-body (body specials) exprs
@@ -1014,7 +1036,7 @@
do (setf (symbol-value (cdr spec)) (pop values)))
(funcall body* new-env))))))))
((progn)
- (prepare-progn (rest form) context))
+ (prepare-progn (rest form) context mode))
((progv)
(destructuring-bind (vals vars &body body) (rest form)
(let ((vals* (prepare-form vals context))
@@ -1072,7 +1094,8 @@
(prepare-progn body
(context-add-specials
(context-add-symbol-macros context bindings)
- specials))))))
+ specials)
+ mode)))))
((macrolet)
(destructuring-bind (bindings &rest exprs) (rest form)
(with-parsed-body (body specials) exprs
@@ -1087,7 +1110,8 @@
(prepare-progn body
(context-add-specials
(context-add-macros context bindings)
- specials))))))
+ specials)
+ mode)))))
((go)
(let* ((go-tag (second form))
(catch-tag (context-find-go-tag context go-tag)))