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mes: un-defmacro optargs. WIP

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Jan Nieuwenhuizen 2018-01-06 09:29:11 +01:00
parent d4f311c1df
commit a8e8f0a1e3
2 changed files with 12 additions and 17 deletions
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3
module/mes/optargs.mes
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@ -26,9 +26,6 @@
(mes-use-module (mes scm))
(define-macro (defmacro name args . body)
`(define-macro ,(cons name args) ,@body))
(define-macro (set-procedure-property! proc key value)
proc)

26
module/mes/optargs.scm
View file

@ -85,14 +85,12 @@
;; bound to whatever may have been left of rest-arg.
;;
(defmacro let-optional (REST-ARG BINDINGS . BODY)
(define-macro (let-optional REST-ARG BINDINGS . BODY)
(let-optional-template REST-ARG BINDINGS BODY 'let))
(defmacro let-optional* (REST-ARG BINDINGS . BODY)
(define-macro (let-optional* REST-ARG BINDINGS . BODY)
(let-optional-template REST-ARG BINDINGS BODY 'let*))
;; let-keywords rest-arg allow-other-keys? (binding ...) . body
;; let-keywords* rest-arg allow-other-keys? (binding ...) . body
;; macros used to bind keyword arguments
@ -108,10 +106,10 @@
;;
(defmacro let-keywords (REST-ARG ALLOW-OTHER-KEYS? BINDINGS . BODY)
(define-macro (let-keywords REST-ARG ALLOW-OTHER-KEYS? BINDINGS . BODY)
(let-keywords-template REST-ARG ALLOW-OTHER-KEYS? BINDINGS BODY 'let))
(defmacro let-keywords* (REST-ARG ALLOW-OTHER-KEYS? BINDINGS . BODY)
(define-macro (let-keywords* REST-ARG ALLOW-OTHER-KEYS? BINDINGS . BODY)
(let-keywords-template REST-ARG ALLOW-OTHER-KEYS? BINDINGS BODY 'let*))
@ -233,7 +231,7 @@
;; Lisp dialects.
(defmacro lambda* (ARGLIST . BODY)
(define-macro (lambda* ARGLIST . BODY)
(parse-arglist
ARGLIST
(lambda (non-optional-args optionals keys aok? rest-arg)
@ -378,10 +376,10 @@
;; Of course, define*[-public] also supports #:rest and #:allow-other-keys
;; in the same way as lambda*.
(defmacro define* (ARGLIST . BODY)
(define-macro (define* ARGLIST . BODY)
(define*-guts 'define ARGLIST BODY))
(defmacro define*-public (ARGLIST . BODY)
(define-macro (define*-public ARGLIST . BODY)
(define*-guts 'define-public ARGLIST BODY))
;; The guts of define* and define*-public.
@ -412,13 +410,13 @@
;; semantics. Here is an example of a macro with an optional argument:
;; (defmacro* transmorgify (a #:optional b)
(defmacro defmacro* (NAME ARGLIST . BODY)
`(define-macro ,NAME #f (lambda* ,ARGLIST ,@BODY)))
(define-macro (define-macro* NAME+ARGLIST . BODY)
`(define-macro ,(car NAME+ARGLIST) #f (lambda* ,(cdr NAME+ARGLIST) ,@BODY)))
(defmacro defmacro*-public (NAME ARGLIST . BODY)
(define-macro (define-macro*-public NAME+ARGLIST . BODY)
`(begin
(defmacro* ,NAME ,ARGLIST ,@BODY)
(export-syntax ,NAME)))
(define-macro* ,NAME+ARGLIST ,@BODY)
(export-syntax ,(car NAME+ARGLIST))))
;;; Support for optional & keyword args with the interpreter.
(define *uninitialized* (list 'uninitialized))