(compiler-style-warn "duplicate definitions in ~S" definitions))
(let* ((processed-definitions (mapcar definitionize-fun definitions))
(*lexenv* (make-lexenv definitionize-keyword processed-definitions)))
+ ;; I wonder how much of an compiler performance penalty this
+ ;; non-constant keyword is.
(funcall fun definitionize-keyword processed-definitions)))
;;; Tweak LEXENV to include the DEFINITIONS from a MACROLET, then
(destructuring-bind (name arglist &body body) definition
(unless (symbolp name)
(fail "The local macro name ~S is not a symbol." name))
+ (when (fboundp name)
+ (with-single-package-locked-error
+ (:symbol name "binding ~A as a local macro")))
(unless (listp arglist)
(fail "The local macro argument list ~S is not a list."
arglist))
(destructuring-bind (name expansion) definition
(unless (symbolp name)
(fail "The local symbol macro name ~S is not a symbol." name))
+ (when (or (boundp name) (eq (info :variable :kind name) :macro))
+ (with-single-package-locked-error
+ (:symbol name "binding ~A as a local symbol-macro")))
(let ((kind (info :variable :kind name)))
(when (member kind '(:special :constant))
(fail "Attempt to bind a ~(~A~) variable with SYMBOL-MACROLET: ~S"
kind name)))
+ ;; A magical cons that MACROEXPAND-1 understands.
`(,name . (MACRO . ,expansion))))))
(defun funcall-in-symbol-macrolet-lexenv (definitions fun context)
(vars var)
(names name)
(vals (second spec)))))))
-
+ (dolist (name (names))
+ (when (eq (info :variable :kind name) :macro)
+ (with-single-package-locked-error
+ (:symbol name "lexically binding symbol-macro ~A"))))
(values (vars) (vals))))
(def-ir1-translator let ((bindings &body body) start next result)
((next result)
(processing-decls (decls vars nil next result)
(let ((fun (ir1-convert-lambda-body
- forms vars
- :debug-name (debug-namify "LET "
- bindings))))
+ forms
+ vars
+ :debug-name (debug-namify "LET S"
+ bindings))))
(reference-leaf start ctran fun-lvar fun))
(values next result))))
(ir1-convert-combination-args fun-lvar ctran next result values))))))
(parse-body body :doc-string-allowed nil)
(multiple-value-bind (vars values) (extract-let-vars bindings 'let*)
(processing-decls (decls vars nil start next)
- (ir1-convert-aux-bindings start next result forms vars values)))))
+ (ir1-convert-aux-bindings start
+ next
+ result
+ forms
+ vars
+ values)))))
;;; logic shared between IR1 translators for LOCALLY, MACROLET,
;;; and SYMBOL-MACROLET
(let ((name (first def)))
(check-fun-name name)
+ (when (fboundp name)
+ (with-single-package-locked-error
+ (:symbol name "binding ~A as a local function")))
(names name)
(multiple-value-bind (forms decls) (parse-body (cddr def))
(defs `(lambda ,(second def)
(multiple-value-bind (forms decls)
(parse-body body :doc-string-allowed nil)
(multiple-value-bind (names defs)
- (extract-flet-vars definitions 'flet)
+ (extract-flet-vars definitions 'flet)
(let ((fvars (mapcar (lambda (n d)
(ir1-convert-lambda d
:source-name n
names defs)))
(processing-decls (decls nil fvars next result)
(let ((*lexenv* (make-lexenv :funs (pairlis names fvars))))
- (ir1-convert-progn-body start next result forms)))))))
+ (ir1-convert-progn-body start
+ next
+ result
+ forms)))))))
(def-ir1-translator labels ((definitions &body body) start next result)
#!+sb-doc
each other."
(multiple-value-bind (forms decls) (parse-body body :doc-string-allowed nil)
(multiple-value-bind (names defs)
- (extract-flet-vars definitions 'labels)
- (let* ( ;; dummy LABELS functions, to be used as placeholders
+ (extract-flet-vars definitions 'labels)
+ (let* (;; dummy LABELS functions, to be used as placeholders
;; during construction of real LABELS functions
- (placeholder-funs (mapcar (lambda (name)
- (make-functional
- :%source-name name
- :%debug-name (debug-namify
- "LABELS placeholder "
- name)))
- names))
- ;; (like PAIRLIS but guaranteed to preserve ordering:)
- (placeholder-fenv (mapcar #'cons names placeholder-funs))
+ (placeholder-funs (mapcar (lambda (name)
+ (make-functional
+ :%source-name name
+ :%debug-name (debug-namify
+ "LABELS placeholder "
+ name)))
+ names))
+ ;; (like PAIRLIS but guaranteed to preserve ordering:)
+ (placeholder-fenv (mapcar #'cons names placeholder-funs))
;; the real LABELS functions, compiled in a LEXENV which
;; includes the dummy LABELS functions
- (real-funs
- (let ((*lexenv* (make-lexenv :funs placeholder-fenv)))
- (mapcar (lambda (name def)
- (ir1-convert-lambda def
- :source-name name
- :debug-name (debug-namify
- "LABELS " name)
- :allow-debug-catch-tag t))
- names defs))))
-
+ (real-funs
+ (let ((*lexenv* (make-lexenv :funs placeholder-fenv)))
+ (mapcar (lambda (name def)
+ (ir1-convert-lambda def
+ :source-name name
+ :debug-name (debug-namify
+ "LABELS " name)
+ :allow-debug-catch-tag t))
+ names defs))))
+
;; Modify all the references to the dummy function leaves so
;; that they point to the real function leaves.
- (loop for real-fun in real-funs and
- placeholder-cons in placeholder-fenv do
- (substitute-leaf real-fun (cdr placeholder-cons))
- (setf (cdr placeholder-cons) real-fun))
-
+ (loop for real-fun in real-funs and
+ placeholder-cons in placeholder-fenv do
+ (substitute-leaf real-fun (cdr placeholder-cons))
+ (setf (cdr placeholder-cons) real-fun))
+
;; Voila.
- (processing-decls (decls nil real-funs next result)
+ (processing-decls (decls nil real-funs next result)
(let ((*lexenv* (make-lexenv
;; Use a proper FENV here (not the
;; placeholder used earlier) so that if the
;; lexical environment is used for inline
;; expansion we'll get the right functions.
:funs (pairlis names real-funs))))
- (ir1-convert-progn-body start next result forms)))))))
+ (ir1-convert-progn-body start
+ next
+ result
+ forms)))))))
+
\f
;;;; the THE special operator, and friends
(with-unique-names (exit-block)
`(block ,exit-block
(%within-cleanup
- :catch
- (%catch (%escape-fun ,exit-block) ,tag)
- ,@body)))))
+ :catch (%catch (%escape-fun ,exit-block) ,tag)
+ ,@body)))))
(def-ir1-translator unwind-protect
((protected &body cleanup) start next result)
projects / sbcl.git / blobdiff