mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-05-01 20:30:28 +02:00
5d171d998c
* module/language/cps/reify-primitives.scm (primitive-module): Add cases for SRFI-4 primitives. These primitives are only treated as such for the purposes of Tree-IL primitive expansion; perhaps the right fix is elsewhere, but it's here for now.
174 lines
6.6 KiB
Scheme
174 lines
6.6 KiB
Scheme
;;; Continuation-passing style (CPS) intermediate language (IL)
|
|
|
|
;; Copyright (C) 2013, 2014, 2015 Free Software Foundation, Inc.
|
|
|
|
;;;; This library is free software; you can redistribute it and/or
|
|
;;;; modify it under the terms of the GNU Lesser General Public
|
|
;;;; License as published by the Free Software Foundation; either
|
|
;;;; version 3 of the License, or (at your option) any later version.
|
|
;;;;
|
|
;;;; This library 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
|
|
;;;; Lesser General Public License for more details.
|
|
;;;;
|
|
;;;; You should have received a copy of the GNU Lesser General Public
|
|
;;;; License along with this library; if not, write to the Free Software
|
|
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
;;; Commentary:
|
|
;;;
|
|
;;; A pass to reify lone $prim's that were never folded into a
|
|
;;; $primcall, and $primcall's to primitives that don't have a
|
|
;;; corresponding VM op.
|
|
;;;
|
|
;;; Code:
|
|
|
|
(define-module (language cps reify-primitives)
|
|
#:use-module (ice-9 match)
|
|
#:use-module (language cps)
|
|
#:use-module (language cps utils)
|
|
#:use-module (language cps with-cps)
|
|
#:use-module (language cps primitives)
|
|
#:use-module (language cps intmap)
|
|
#:use-module (language bytecode)
|
|
#:export (reify-primitives))
|
|
|
|
(define (module-box cps src module name public? bound? val-proc)
|
|
(with-cps cps
|
|
(letv box)
|
|
(let$ body (val-proc box))
|
|
(letk kbox ($kargs ('box) (box) ,body))
|
|
($ (with-cps-constants ((module module)
|
|
(name name)
|
|
(public? public?)
|
|
(bound? bound?))
|
|
(build-term ($continue kbox src
|
|
($primcall 'cached-module-box
|
|
(module name public? bound?))))))))
|
|
|
|
(define (primitive-module name)
|
|
(case name
|
|
((bytevector?
|
|
bytevector-length
|
|
|
|
bytevector-u8-ref bytevector-u8-set!
|
|
bytevector-s8-ref bytevector-s8-set!
|
|
|
|
bytevector-u16-ref bytevector-u16-set!
|
|
bytevector-u16-native-ref bytevector-u16-native-set!
|
|
bytevector-s16-ref bytevector-s16-set!
|
|
bytevector-s16-native-ref bytevector-s16-native-set!
|
|
|
|
bytevector-u32-ref bytevector-u32-set!
|
|
bytevector-u32-native-ref bytevector-u32-native-set!
|
|
bytevector-s32-ref bytevector-s32-set!
|
|
bytevector-s32-native-ref bytevector-s32-native-set!
|
|
|
|
bytevector-u64-ref bytevector-u64-set!
|
|
bytevector-u64-native-ref bytevector-u64-native-set!
|
|
bytevector-s64-ref bytevector-s64-set!
|
|
bytevector-s64-native-ref bytevector-s64-native-set!
|
|
|
|
bytevector-ieee-single-ref bytevector-ieee-single-set!
|
|
bytevector-ieee-single-native-ref bytevector-ieee-single-native-set!
|
|
bytevector-ieee-double-ref bytevector-ieee-double-set!
|
|
bytevector-ieee-double-native-ref bytevector-ieee-double-native-set!)
|
|
'(rnrs bytevectors))
|
|
((class-of) '(oop goops))
|
|
((u8vector-ref
|
|
u8vector-set! s8vector-ref s8vector-set!
|
|
u16vector-ref u16vector-set! s16vector-ref s16vector-set!
|
|
u32vector-ref u32vector-set! s32vector-ref s32vector-set!
|
|
u64vector-ref u64vector-set! s64vector-ref s64vector-set!
|
|
f32vector-ref f32vector-set! f64vector-ref f64vector-set!)
|
|
'(srfi srfi-4))
|
|
(else '(guile))))
|
|
|
|
(define (primitive-ref cps name k src)
|
|
(module-box cps src (primitive-module name) name #f #t
|
|
(lambda (cps box)
|
|
(with-cps cps
|
|
(build-term
|
|
($continue k src ($primcall 'box-ref (box))))))))
|
|
|
|
(define (builtin-ref cps idx k src)
|
|
(with-cps cps
|
|
($ (with-cps-constants ((idx idx))
|
|
(build-term
|
|
($continue k src ($primcall 'builtin-ref (idx))))))))
|
|
|
|
(define (reify-clause cps ktail)
|
|
(with-cps cps
|
|
(letv throw)
|
|
(let$ throw-body
|
|
(with-cps-constants ((wna 'wrong-number-of-args)
|
|
(false #f)
|
|
(str "Wrong number of arguments")
|
|
(eol '()))
|
|
(build-term
|
|
($continue ktail #f
|
|
($call throw (wna false str eol false))))))
|
|
(letk kthrow ($kargs ('throw) (throw) ,throw-body))
|
|
(let$ body (primitive-ref 'throw kthrow #f))
|
|
(letk kbody ($kargs () () ,body))
|
|
(letk kclause ($kclause ('() '() #f '() #f) kbody #f))
|
|
kclause))
|
|
|
|
;; A $kreceive continuation should have only one predecessor.
|
|
(define (uniquify-receive cps k)
|
|
(match (intmap-ref cps k)
|
|
(($ $kreceive ($ $arity req () rest () #f) kargs)
|
|
(with-cps cps
|
|
(letk k ($kreceive req rest kargs))
|
|
k))
|
|
(_
|
|
(with-cps cps k))))
|
|
|
|
(define (reify-primitives cps)
|
|
(define (visit-cont label cont cps)
|
|
(define (resolve-prim cps name k src)
|
|
(cond
|
|
((builtin-name->index name)
|
|
=> (lambda (idx) (builtin-ref cps idx k src)))
|
|
(else
|
|
(primitive-ref cps name k src))))
|
|
(match cont
|
|
(($ $kfun src meta self tail #f)
|
|
(with-cps cps
|
|
(let$ clause (reify-clause tail))
|
|
(setk label ($kfun src meta self tail clause))))
|
|
(($ $kargs names vars ($ $continue k src ($ $prim name)))
|
|
(with-cps cps
|
|
(let$ k (uniquify-receive k))
|
|
(let$ body (resolve-prim name k src))
|
|
(setk label ($kargs names vars ,body))))
|
|
(($ $kargs names vars
|
|
($ $continue k src ($ $primcall 'call-thunk/no-inline (proc))))
|
|
(with-cps cps
|
|
(setk label ($kargs names vars ($continue k src ($call proc ()))))))
|
|
(($ $kargs names vars ($ $continue k src ($ $primcall name args)))
|
|
(if (or (prim-instruction name) (branching-primitive? name))
|
|
;; Assume arities are correct.
|
|
cps
|
|
(with-cps cps
|
|
(letv proc)
|
|
(let$ k (uniquify-receive k))
|
|
(letk kproc ($kargs ('proc) (proc)
|
|
($continue k src ($call proc args))))
|
|
(let$ body (resolve-prim name kproc src))
|
|
(setk label ($kargs names vars ,body)))))
|
|
(($ $kargs names vars ($ $continue k src ($ $call proc args)))
|
|
(with-cps cps
|
|
(let$ k (uniquify-receive k))
|
|
(setk label ($kargs names vars
|
|
($continue k src ($call proc args))))))
|
|
(($ $kargs names vars ($ $continue k src ($ $callk k* proc args)))
|
|
(with-cps cps
|
|
(let$ k (uniquify-receive k))
|
|
(setk label ($kargs names vars
|
|
($continue k src ($callk k* proc args))))))
|
|
(_ cps)))
|
|
|
|
(with-fresh-name-state cps
|
|
(persistent-intmap (intmap-fold visit-cont cps cps))))
|