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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 inline)
:use-module (system base syntax)
:use-module (system il ghil)
:use-module (srfi srfi-16)
:export (*inline-table* define-inline try-inline try-inline-with-env))
(define *inline-table* '())
(define-macro (define-inline sym . clauses)
(define (inline-args args)
(let lp ((in args) (out '()))
(cond ((null? in) `(list ,@(reverse out)))
((symbol? in) `(cons* ,@(reverse out) ,in))
((pair? (car in))
(lp (cdr in)
(cons `(or (try-inline ,(caar in) ,(inline-args (cdar in)))
(error "what" ',(car in)))
out)))
((symbol? (car in))
;; assume it's locally bound
(lp (cdr in) (cons (car in) out)))
((number? (car in))
(lp (cdr in) (cons `(make-ghil-quote #f #f ,(car in)) out)))
(else
(error "what what" (car in))))))
(define (consequent exp)
(cond
((pair? exp)
`(make-ghil-inline #f #f ',(car exp) ,(inline-args (cdr exp))))
((symbol? exp)
;; assume locally bound
exp)
((number? exp)
`(make-ghil-quote #f #f ,exp))
(else (error "bad consequent yall" exp))))
`(set! *inline-table*
(assq-set! *inline-table*
,sym
(case-lambda
,@(let lp ((in clauses) (out '()))
(if (null? in)
(reverse (cons '(else #f) out))
(lp (cddr in)
(cons `(,(car in)
,(consequent (cadr in))) out))))))))
(define (try-inline head-value args)
(and=> (assq-ref *inline-table* head-value)
(lambda (proc) (apply proc args))))
(define (ghil-env-ref env sym)
(assq-ref (ghil-env-table env) sym))
(define (try-inline-with-env env loc exp)
(let ((sym (car exp)))
(and (not (ghil-env-ref env sym))
(let loop ((e (ghil-env-parent env)))
(record-case e
((<ghil-mod> module table imports)
(and (not (assq-ref table sym))
(module-bound? module sym)
(try-inline (module-ref module sym) (cdr exp))))
((<ghil-env> mod parent table variables)
(and (not (assq-ref table sym))
(loop parent))))))))
(define-inline eq? (x y)
(eq? x y))
(define-inline eqv? (x y)
(eqv? x y))
(define-inline equal? (x y)
(equal? x y))
(define-inline = (x y)
(ee? x y))
(define-inline < (x y)
(lt? x y))
(define-inline > (x y)
(gt? x y))
(define-inline <= (x y)
(le? x y))
(define-inline >= (x y)
(ge? x y))
(define-inline zero? (x)
(ee? x 0))
(define-inline +
() 0
(x) x
(x y) (add x y)
(x y . rest) (add x (+ y . rest)))
(define-inline *
() 1
(x) x
(x y) (mul x y)
(x y . rest) (mul x (* y . rest)))
(define-inline -
(x) (sub 0 x)
(x y) (sub x y)
(x y . rest) (sub x (+ y . rest)))
(define-inline 1-
(x) (sub x 1))
(define-inline /
(x) (div 1 x)
(x y) (div x y)
(x y . rest) (div x (* y . rest)))
(define-inline quotient (x y)
(quo x y))
(define-inline remainder (x y)
(rem x y))
(define-inline modulo (x y)
(mod x y))
(define-inline not (x)
(not x))
(define-inline pair? (x)
(pair? x))
(define-inline cons (x y)
(cons x y))
(define-inline car (x) (car x))
(define-inline cdr (x) (cdr x))
(define-inline set-car! (x y) (set-car! x y))
(define-inline set-cdr! (x y) (set-cdr! x y))
(define-inline caar (x) (car (car x)))
(define-inline cadr (x) (car (cdr x)))
(define-inline cdar (x) (cdr (car x)))
(define-inline cddr (x) (cdr (cdr x)))
(define-inline caaar (x) (car (car (car x))))
(define-inline caadr (x) (car (car (cdr x))))
(define-inline cadar (x) (car (cdr (car x))))
(define-inline caddr (x) (car (cdr (cdr x))))
(define-inline cdaar (x) (cdr (car (car x))))
(define-inline cdadr (x) (cdr (car (cdr x))))
(define-inline cddar (x) (cdr (cdr (car x))))
(define-inline cdddr (x) (cdr (cdr (cdr x))))
(define-inline caaaar (x) (car (car (car (car x)))))
(define-inline caaadr (x) (car (car (car (cdr x)))))
(define-inline caadar (x) (car (car (cdr (car x)))))
(define-inline caaddr (x) (car (car (cdr (cdr x)))))
(define-inline cadaar (x) (car (cdr (car (car x)))))
(define-inline cadadr (x) (car (cdr (car (cdr x)))))
(define-inline caddar (x) (car (cdr (cdr (car x)))))
(define-inline cadddr (x) (car (cdr (cdr (cdr x)))))
(define-inline cdaaar (x) (cdr (car (car (car x)))))
(define-inline cdaadr (x) (cdr (car (car (cdr x)))))
(define-inline cdadar (x) (cdr (car (cdr (car x)))))
(define-inline cdaddr (x) (cdr (car (cdr (cdr x)))))
(define-inline cddaar (x) (cdr (cdr (car (car x)))))
(define-inline cddadr (x) (cdr (cdr (car (cdr x)))))
(define-inline cdddar (x) (cdr (cdr (cdr (car x)))))
(define-inline cddddr (x) (cdr (cdr (cdr (cdr x)))))
(define-inline null? (x)
(null? x))
(define-inline list? (x)
(list? x))
(define-inline apply (proc . args)
(apply proc . args))
(define-inline cons*
(x) x
(x y) (cons x y)
(x y . rest) (cons x (cons* y . rest)))
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