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guile/module/system/il/macros.scm
2001-04-07 11:54:36 +00:00

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;;; GHIL macros
;; Copyright (C) 2001 Free Software Foundation, Inc.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
(define-module (system il macros)
:use-module (ice-9 match))
(define (make-label) (gensym ":L"))
(define (make-sym) (gensym "_"))
;;;
;;; Syntax
;;;
;; (@and X Y...) =>
;;
;; (@if X (@and Y...) #f)
(define @and
(match-lambda*
(() #t)
((x) x)
((x . rest) `(@if ,x (@and ,@rest) #f))))
;; (@or X Y...) =>
;;
;; (@let ((@_ X)) (@if @_ @_ (@or Y...)))
(define @or
(match-lambda*
(() #f)
((x) x)
((x . rest)
(let ((sym (make-sym)))
`(@let ((,sym ,x)) (@if ,sym ,sym (@or ,@rest)))))))
;; (@cond (TEST BODY...) ...) =>
;;
;; (@if TEST
;; (@begin BODY...)
;; (@cond ...))
(define (@cond . clauses)
(cond ((null? clauses) (error "missing clauses"))
((pair? (car clauses))
(let ((c (car clauses)) (l (cdr clauses)))
(let ((rest (if (null? l) '(@void) `(@cond ,@l))))
(cond ((eq? (car c) '@else) `(@begin (@void) ,@(cdr c)))
((null? (cdr c)) `(@or ,(car c) ,rest))
(else `(@if ,(car c) (@begin ,@(cdr c)) ,rest))))))
(else (error "bad clause:" (car clauses)))))
(define (@let* binds . body)
(if (null? binds)
`(@begin ,@body)
`(@let (,(car binds)) (@let* ,(cdr binds) ,@body))))
;;;
;;; R5RS Procedures
;;;
;; 6. Standard procedures
;;; 6.1 Equivalence predicates
(define (@eq? x y) `(@@ eq? ,x ,y))
(define (@eqv? x y) `(@@ eqv? ,x ,y))
(define (@equal? x y) `(@@ equal? ,x ,y))
;;; 6.2 Numbers
(define (@number? x) `((@ Core::number?) ,x))
(define (@complex? x) `((@ Core::complex?) ,x))
(define (@real? x) `((@ Core::real?) ,x))
(define (@rational? x) `((@ Core::rational?) ,x))
(define (@integer? x) `((@ Core::integer?) ,x))
(define (@exact? x) `((@ Core::exact?) ,x))
(define (@inexact? x) `((@ Core::inexact?) ,x))
(define (@= x y) `(@@ ee? ,x ,y))
(define (@< x y) `(@@ lt? ,x ,y))
(define (@> x y) `(@@ gt? ,x ,y))
(define (@<= x y) `(@@ le? ,x ,y))
(define (@>= x y) `(@@ ge? ,x ,y))
(define @+
(match-lambda*
(() 0)
((x) x)
((x y) `(@@ add ,x ,y))
((x y . rest) `(@@ add ,x (@+ ,y ,@rest)))))
(define @*
(match-lambda*
(() 1)
((x) x)
((x y) `(@@ mul ,x ,y))
((x y . rest) `(@@ mul ,x (@* ,y ,@rest)))))
(define @-
(match-lambda*
((x) `(@@ sub 0 ,x))
((x y) `(@@ sub ,x ,y))
((x y . rest) `(@@ sub ,x (@+ ,y ,@rest)))))
(define @/
(match-lambda*
((x) `(@@ div 1 ,x))
((x y) `(@@ div ,x ,y))
((x y . rest) `(@@ div ,x (@* ,y ,@rest)))))
(define (@quotient x y) `(@@ quo ,x ,y))
(define (@remainder x y) `(@@ rem ,x ,y))
(define (@modulo x y) `(@@ mod ,x ,y))
;;; numerator
;;; denominator
;;;
;;; floor
;;; ceiling
;;; truncate
;;; round
;;;
;;; exp
;;; log
;;; sin
;;; cos
;;; tan
;;; asin
;;; acos
;;; atan
;;;
;;; sqrt
;;; expt
;;;
;;; make-rectangular
;;; make-polar
;;; real-part
;;; imag-part
;;; magnitude
;;; angle
;;;
;;; exact->inexact
;;; inexact->exact
;;;
;;; number->string
;;; string->number
;;; 6.3 Other data types
;;;; 6.3.1 Booleans
(define (@not x) `(@@ not ,x))
(define (@boolean? x) `((@ Core::boolean?) ,x))
;;;; 6.3.2 Pairs and lists
(define (@pair? x) `(@@ pair? ,x))
(define (@cons x y) `(@@ cons ,x ,y))
(define (@car x) `(@@ car ,x))
(define (@cdr x) `(@@ cdr ,x))
(define (@set-car! x) `(@@ set-car! ,x))
(define (@set-cdr! x) `(@@ set-cdr! ,x))
(define (@caar x) `(@@ car (@@ car ,x)))
(define (@cadr x) `(@@ car (@@ cdr ,x)))
(define (@cdar x) `(@@ cdr (@@ car ,x)))
(define (@cddr x) `(@@ cdr (@@ cdr ,x)))
(define (@caaar x) `(@@ car (@@ car (@@ car ,x))))
(define (@caadr x) `(@@ car (@@ car (@@ cdr ,x))))
(define (@cadar x) `(@@ car (@@ cdr (@@ car ,x))))
(define (@caddr x) `(@@ car (@@ cdr (@@ cdr ,x))))
(define (@cdaar x) `(@@ cdr (@@ car (@@ car ,x))))
(define (@cdadr x) `(@@ cdr (@@ car (@@ cdr ,x))))
(define (@cddar x) `(@@ cdr (@@ cdr (@@ car ,x))))
(define (@cdddr x) `(@@ cdr (@@ cdr (@@ cdr ,x))))
(define (@caaaar x) `(@@ car (@@ car (@@ car (@@ car ,x)))))
(define (@caaadr x) `(@@ car (@@ car (@@ car (@@ cdr ,x)))))
(define (@caadar x) `(@@ car (@@ car (@@ cdr (@@ car ,x)))))
(define (@caaddr x) `(@@ car (@@ car (@@ cdr (@@ cdr ,x)))))
(define (@cadaar x) `(@@ car (@@ cdr (@@ car (@@ car ,x)))))
(define (@cadadr x) `(@@ car (@@ cdr (@@ car (@@ cdr ,x)))))
(define (@caddar x) `(@@ car (@@ cdr (@@ cdr (@@ car ,x)))))
(define (@cadddr x) `(@@ car (@@ cdr (@@ cdr (@@ cdr ,x)))))
(define (@cdaaar x) `(@@ cdr (@@ car (@@ car (@@ car ,x)))))
(define (@cdaadr x) `(@@ cdr (@@ car (@@ car (@@ cdr ,x)))))
(define (@cdadar x) `(@@ cdr (@@ car (@@ cdr (@@ car ,x)))))
(define (@cdaddr x) `(@@ cdr (@@ car (@@ cdr (@@ cdr ,x)))))
(define (@cddaar x) `(@@ cdr (@@ cdr (@@ car (@@ car ,x)))))
(define (@cddadr x) `(@@ cdr (@@ cdr (@@ car (@@ cdr ,x)))))
(define (@cdddar x) `(@@ cdr (@@ cdr (@@ cdr (@@ car ,x)))))
(define (@cddddr x) `(@@ cdr (@@ cdr (@@ cdr (@@ cdr ,x)))))
(define (@null? x) `(@@ null? ,x))
(define (@list? x) `(@@ list? ,x))
(define (@list . args) `(@@ list ,@args))
;;; length
;;; append
;;; reverse
(define (@memq x l) `((@ Core::memq) ,x ,l))
(define (@memv x l) `((@ Core::memv) ,x ,l))
(define (@member x l) `((@ Core::member) ,x ,l))
(define (@assq x l) `((@ Core::assq) ,x ,l))
(define (@assv x l) `((@ Core::assv) ,x ,l))
(define (@assber x l) `((@ Core::assber) ,x ,l))
;;;; 6.3.3 Symbols
;;; symbol?
;;; symbol->string
;;; string->symbol
;;;; 6.3.4 Characters
;;; char?
;;; char=?
;;; char<?
;;; char>?
;;; char<=?
;;; char>=?
;;; char->integer
;;; integer->char
;;;; 6.3.5 Strings
;;; string?
;;; make-string
;;; string-length
;;; string-ref
;;; string-set!
;;;; 6.3.6 Vectors
;;; vector?
;;; make-vector
;;; vector-length
;;; vector-ref
;;; vector-set!
;;;; 6.4 Control features
(define (@procedure? x) `((@ Core::procedure?) ,x))
(define (@apply proc . args) `(@@ apply ,proc ,@args))
;;; (define (@force promise) `(@@ force promise))
;;; (define (@call/cc proc) `(@@ call/cc proc))
;;; values
;;; call-with-values
;;; dynamic-wind
;;; 6.5 Eval
;;; 6.6 Input and output
;;;; 6.6.1 Ports
;;; input-port?
;;; output-port?
;;; current-input-port
;;; current-output-port
;;;
;;; open-input-file
;;; open-output-file
;;; close-input-port
;;; close-output-port
;;;; 6.6.2 Input
;;; read
;;; read-char
;;; peek-char
;;; eof-object?
;;; char-ready?
;;;; 6.6.3 Output
;;; write
;;; display
;;; newline
;;; write-char
;;;; 6.6.4 System interface
;;;
;;; Non-R5RS Procedures
;;;
(define @cons*
(match-lambda*
((x) x)
((x y) `(@cons ,x ,y))
((x y . rest) `(@cons ,x (@cons* ,y ,@rest)))))