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b5a52b4961
* module/language/tree-il/spec.scm (join): Use match rather than pmatch. (tree-il): Declare compiler to bytecode. (choose-compiler): New implementation. Note, the baseline compiler probably doesn't even work!!!
60 lines
2.1 KiB
Scheme
60 lines
2.1 KiB
Scheme
;;; Tree Intermediate Language
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;; Copyright (C) 2009, 2010, 2011, 2013, 2015 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 (ice-9 match)
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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-bytecode)
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#:use-module ((language tree-il analyze) #:select (make-analyzer))
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#:use-module ((language tree-il optimize) #:select (make-lowerer))
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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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(match 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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(_ (error "what!" exps env))))
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(define (choose-compiler target optimization-level opts)
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(if (match (memq #:cps? opts)
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((_ cps? . _) cps?)
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(#f (<= 1 optimization-level)))
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(cons 'cps compile-cps)
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(cons 'bytecode compile-bytecode)))
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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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(bytecode . ,compile-bytecode))
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#:compiler-chooser choose-compiler
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#:analyzer make-analyzer
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#:lowerer make-lowerer
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#:for-humans? #f)
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