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09869e781b
* module/language/tree-il/compile-cps2.scm (compile-cps2): Rename from compile-cps. * module/language/cps2/spec.scm: New file. * module/Makefile.am (CPS2_LANG_SOURCES): Add spec.scm. * module/language/tree-il/spec.scm (tree-il): Declare compiler to cps2.
49 lines
1.6 KiB
Scheme
49 lines
1.6 KiB
Scheme
;;; Tree Intermediate Language
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;; Copyright (C) 2009, 2010, 2011, 2013 Free Software Foundation, Inc.
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;;; Code:
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(define-module (language tree-il spec)
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#:use-module (system base language)
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#:use-module (system base pmatch)
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#:use-module (language tree-il)
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#:use-module (language tree-il compile-cps)
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#:use-module (language tree-il compile-cps2)
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#:export (tree-il))
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(define (write-tree-il exp . port)
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(apply write (unparse-tree-il exp) port))
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(define (join exps env)
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(pmatch exps
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(() (make-void #f))
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((,x) x)
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((,x . ,rest)
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(make-seq #f x (join rest env)))
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(else (error "what!" exps env))))
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(define-language tree-il
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#:title "Tree Intermediate Language"
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#:reader (lambda (port env) (read port))
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#:printer write-tree-il
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#:parser parse-tree-il
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#:joiner join
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#:compilers `((cps . ,compile-cps)
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(cps2 . ,compile-cps2))
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#:for-humans? #f
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)
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