;;; shared by the special-case top level MACROLET processing code, and
;;; further split so that the special-case MACROLET processing code in
;;; EVAL can likewise make use of it.
-(defmacro macrolet-definitionize-fun (context lexenv)
- (flet ((make-error-form (control &rest args)
+(defun macrolet-definitionize-fun (context lexenv)
+ (flet ((fail (control &rest args)
(ecase context
- (:compile `(compiler-error ,control ,@args))
- (:eval `(error 'simple-program-error
- :format-control ,control
- :format-arguments (list ,@args))))))
- `(lambda (definition)
+ (:compile (apply #'compiler-error control args))
+ (:eval (error 'simple-program-error
+ :format-control control
+ :format-arguments args)))))
+ (lambda (definition)
(unless (list-of-length-at-least-p definition 2)
- ,(make-error-form
- "The list ~S is too short to be a legal local macro definition."
- 'definition))
+ (fail "The list ~S is too short to be a legal local macro definition."
+ definition))
(destructuring-bind (name arglist &body body) definition
- (unless (symbolp name)
- ,(make-error-form "The local macro name ~S is not a symbol." 'name))
- (unless (listp arglist)
- ,(make-error-form
- "The local macro argument list ~S is not a list."
- 'arglist))
- (with-unique-names (whole environment)
- (multiple-value-bind (body local-decls)
- (parse-defmacro arglist whole body name 'macrolet
- :environment environment)
- `(,name macro .
- ,(compile-in-lexenv
- nil
- `(lambda (,whole ,environment)
- ,@local-decls
- (block ,name ,body))
- ,lexenv))))))))
-
-(defun funcall-in-macrolet-lexenv (definitions fun)
+ (unless (symbolp name)
+ (fail "The local macro name ~S is not a symbol." name))
+ (unless (listp arglist)
+ (fail "The local macro argument list ~S is not a list."
+ arglist))
+ (with-unique-names (whole environment)
+ (multiple-value-bind (body local-decls)
+ (parse-defmacro arglist whole body name 'macrolet
+ :environment environment)
+ `(,name macro .
+ ,(compile-in-lexenv
+ nil
+ `(lambda (,whole ,environment)
+ ,@local-decls
+ ,body)
+ lexenv))))))))
+
+(defun funcall-in-macrolet-lexenv (definitions fun context)
(%funcall-in-foomacrolet-lexenv
- (macrolet-definitionize-fun :compile (make-restricted-lexenv *lexenv*))
+ (macrolet-definitionize-fun context (make-restricted-lexenv *lexenv*))
:funs
definitions
fun))
definitions
(lambda (&key funs)
(declare (ignore funs))
- (ir1-translate-locally body start cont))))
+ (ir1-translate-locally body start cont))
+ :compile))
-(defmacro symbol-macrolet-definitionize-fun (context)
- (flet ((make-error-form (control &rest args)
+(defun symbol-macrolet-definitionize-fun (context)
+ (flet ((fail (control &rest args)
(ecase context
- (:compile `(compiler-error ,control ,@args))
- (:eval `(error 'simple-program-error
- :format-control ,control
- :format-arguments (list ,@args))))))
- `(lambda (definition)
+ (:compile (apply #'compiler-error control args))
+ (:eval (error 'simple-program-error
+ :format-control control
+ :format-arguments args)))))
+ (lambda (definition)
(unless (proper-list-of-length-p definition 2)
- ,(make-error-form "malformed symbol/expansion pair: ~S" 'definition))
- (destructuring-bind (name expansion) definition
- (unless (symbolp name)
- ,(make-error-form
- "The local symbol macro name ~S is not a symbol."
- 'name))
- (let ((kind (info :variable :kind name)))
- (when (member kind '(:special :constant))
- ,(make-error-form
- "Attempt to bind a ~(~A~) variable with SYMBOL-MACROLET: ~S"
- 'kind 'name)))
- `(,name . (MACRO . ,expansion))))))1
-
-(defun funcall-in-symbol-macrolet-lexenv (definitions fun)
+ (fail "malformed symbol/expansion pair: ~S" definition))
+ (destructuring-bind (name expansion) definition
+ (unless (symbolp name)
+ (fail "The local symbol macro name ~S is not a symbol." name))
+ (let ((kind (info :variable :kind name)))
+ (when (member kind '(:special :constant))
+ (fail "Attempt to bind a ~(~A~) variable with SYMBOL-MACROLET: ~S"
+ kind name)))
+ `(,name . (MACRO . ,expansion))))))
+
+(defun funcall-in-symbol-macrolet-lexenv (definitions fun context)
(%funcall-in-foomacrolet-lexenv
- (symbol-macrolet-definitionize-fun :compile)
+ (symbol-macrolet-definitionize-fun context)
:vars
definitions
fun))
(funcall-in-symbol-macrolet-lexenv
macrobindings
(lambda (&key vars)
- (ir1-translate-locally body start cont :vars vars))))
+ (ir1-translate-locally body start cont :vars vars))
+ :compile))
\f
;;;; %PRIMITIVE
;;;;
(values (vars) (vals))))
-(def-ir1-translator let ((bindings &body body)
- start cont)
+(def-ir1-translator let ((bindings &body body) start cont)
#!+sb-doc
"LET ({(Var [Value]) | Var}*) Declaration* Form*
During evaluation of the Forms, bind the Vars to the result of evaluating the
evaluated."
(if (null bindings)
(ir1-translate-locally body start cont)
- (multiple-value-bind (forms decls) (parse-body body nil)
+ (multiple-value-bind (forms decls)
+ (parse-body body :doc-string-allowed nil)
(multiple-value-bind (vars values) (extract-let-vars bindings 'let)
- (let ((fun-cont (make-continuation)))
- (let* ((*lexenv* (process-decls decls vars nil cont))
- (fun (ir1-convert-lambda-body
- forms vars
- :debug-name (debug-namify "LET ~S" bindings))))
- (reference-leaf start fun-cont fun))
+ (let* ((fun-cont (make-continuation))
+ (cont (processing-decls (decls vars nil cont)
+ (let ((fun (ir1-convert-lambda-body
+ forms vars
+ :debug-name (debug-namify "LET ~S"
+ bindings))))
+ (reference-leaf start fun-cont fun))
+ cont)))
(ir1-convert-combination-args fun-cont cont values))))))
(def-ir1-translator let* ((bindings &body body)
"LET* ({(Var [Value]) | Var}*) Declaration* Form*
Similar to LET, but the variables are bound sequentially, allowing each Value
form to reference any of the previous Vars."
- (multiple-value-bind (forms decls) (parse-body body nil)
+ (multiple-value-bind (forms decls)
+ (parse-body body :doc-string-allowed nil)
(multiple-value-bind (vars values) (extract-let-vars bindings 'let*)
- (let ((*lexenv* (process-decls decls vars nil cont)))
- (ir1-convert-aux-bindings start cont forms vars values)))))
+ (processing-decls (decls vars nil cont)
+ (ir1-convert-aux-bindings start cont forms vars values)))))
;;; logic shared between IR1 translators for LOCALLY, MACROLET,
;;; and SYMBOL-MACROLET
;;; forms before we hit the IR1 transform level.
(defun ir1-translate-locally (body start cont &key vars funs)
(declare (type list body) (type continuation start cont))
- (multiple-value-bind (forms decls) (parse-body body nil)
- (let ((*lexenv* (process-decls decls vars funs cont)))
+ (multiple-value-bind (forms decls) (parse-body body :doc-string-allowed nil)
+ (processing-decls (decls vars funs cont)
(ir1-convert-progn-body start cont forms))))
(def-ir1-translator locally ((&body body) start cont)
Evaluate the Body-Forms with some local function definitions. The bindings
do not enclose the definitions; any use of Name in the Forms will refer to
the lexically apparent function definition in the enclosing environment."
- (multiple-value-bind (forms decls) (parse-body body nil)
+ (multiple-value-bind (forms decls)
+ (parse-body body :doc-string-allowed nil)
(multiple-value-bind (names defs)
(extract-flet-vars definitions 'flet)
- (let* ((fvars (mapcar (lambda (n d)
- (ir1-convert-lambda d
- :source-name n
- :debug-name (debug-namify
- "FLET ~S" n)
- :allow-debug-catch-tag t))
- names defs))
- (*lexenv* (make-lexenv
- :default (process-decls decls nil fvars cont)
- :funs (pairlis names fvars))))
- (ir1-convert-progn-body start cont forms)))))
+ (let ((fvars (mapcar (lambda (n d)
+ (ir1-convert-lambda d
+ :source-name n
+ :debug-name (debug-namify
+ "FLET ~S" n)
+ :allow-debug-catch-tag t))
+ names defs)))
+ (processing-decls (decls nil fvars cont)
+ (let ((*lexenv* (make-lexenv :funs (pairlis names fvars))))
+ (ir1-convert-progn-body start cont forms)))))))
(def-ir1-translator labels ((definitions &body body) start cont)
#!+sb-doc
Evaluate the Body-Forms with some local function definitions. The bindings
enclose the new definitions, so the defined functions can call themselves or
each other."
- (multiple-value-bind (forms decls) (parse-body body nil)
+ (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
+ (let* ( ;; dummy LABELS functions, to be used as placeholders
;; during construction of real LABELS functions
(placeholder-funs (mapcar (lambda (name)
(make-functional
(setf (cdr placeholder-cons) real-fun))
;; Voila.
- (let ((*lexenv* (make-lexenv
- :default (process-decls decls nil real-funs cont)
- ;; 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 cont forms))))))
+ (processing-decls (decls nil real-funs cont)
+ (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 cont forms)))))))
\f
;;;; the THE special operator, and friends
;;; Assert that FORM evaluates to the specified type (which may be a
;;; VALUES type). TYPE may be a type specifier or (as a hack) a CTYPE.
-;;;
-;;; FIXME: In a version of CMU CL that I used at Cadabra ca. 20000101,
-;;; this didn't seem to expand into an assertion, at least for ALIEN
-;;; values. Check that SBCL doesn't have this problem.
(def-ir1-translator the ((type value) start cont)
(the-in-policy type value (lexenv-policy *lexenv*) start cont))
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