FM / tree-il

/usr/share/guile/3.0/language/tree-il

Name	Size	Mode	Actions
analyze.scm	53851	0644	edit dl rm
compile-bytecode.scm	55478	0644	edit dl rm
compile-cps.scm	101769	0644	edit dl rm
cps-primitives.scm	7545	0644	edit dl rm
debug.scm	10018	0644	edit dl rm
effects.scm	23233	0644	edit dl rm
eta-expand.scm	6872	0644	edit dl rm
fix-letrec.scm	12189	0644	edit dl rm
letrectify.scm	10604	0644	edit dl rm
optimize.scm	3023	0644	edit dl rm
peval.scm	69670	0644	edit dl rm
primitives.scm	23565	0644	edit dl rm
spec.scm	2104	0644	edit dl rm

Edit: /usr/share/guile/3.0/language/tree-il/spec.scm (2104B)

;;; Tree Intermediate Language

;;;; 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

;;; Code:

(define-module (language tree-il spec)
  #:use-module (system base language)
  #:use-module (ice-9 match)
  #:use-module (language tree-il)
  #:use-module ((language tree-il analyze) #:select (make-analyzer))
  #:use-module ((language tree-il optimize) #:select (make-lowerer))
  #:export (tree-il))

(define (write-tree-il exp . port)
  (apply write (unparse-tree-il exp) port))

(define (join exps env)
  (match exps
    (() (make-void #f))
    ((x) x)
    ((x . rest)
     (make-seq #f x (join rest env)))
    (_ (error "what!" exps env))))

(define (choose-compiler target optimization-level opts)
  (define (load-compiler compiler)
    (module-ref (resolve-interface `(language tree-il ,compiler)) compiler))
  (if (match (memq #:cps? opts)
        ((_ cps? . _) cps?)
        (#f (<= 2 optimization-level)))
      (cons 'cps (load-compiler 'compile-cps))
      (cons 'bytecode (load-compiler 'compile-bytecode))))

(define-language tree-il
  #:title	"Tree Intermediate Language"
  #:reader	(lambda (port env) (read port))
  #:printer	write-tree-il
  #:parser      parse-tree-il
  #:joiner      join
  #:compiler-chooser choose-compiler
  #:analyzer    make-analyzer
  #:lowerer     make-lowerer
  #:for-humans? #f)

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