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;; Copyright (c) 1991-2002, The Numerical Algorithms Group Ltd.
;; All rights reserved.
;; Copyright (C) 2007-2009, Gabriel Dos Reis.
;; All rights reserved.
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are
;; met:
;;
;;     - Redistributions of source code must retain the above copyright
;;       notice, this list of conditions and the following disclaimer.
;;
;;     - Redistributions in binary form must reproduce the above copyright
;;       notice, this list of conditions and the following disclaimer in
;;       the documentation and/or other materials provided with the
;;       distribution.
;;
;;     - Neither the name of The Numerical Algorithms Group Ltd. nor the
;;       names of its contributors may be used to endorse or promote products
;;       derived from this software without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
;; IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
;; TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
;; PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
;; OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
;; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;


;;
;; Abstract:
;;  This file defines the base initial environment for building
;;  a Boot translator image.  It essentially etablishes a namespace
;;  (package BOOTTRAN) for the Boot translator, and defines 
;;  some macros that need to be present during translation of Boot
;;  source files.
;; 

(defpackage "BOOTTRAN"
  (:use "AxiomCore")
  #+:common-lisp  (:use "COMMON-LISP")
  #-:common-lisp  (:use "LISP")
  (:export "loadNativeModule"
	   "loadSystemRuntimeCore"
           "$InteractiveMode"
	   "string2BootTree"
	   "genImportDeclaration"))

(in-package "BOOTTRAN")

;## need the conditional here so it appears in boottran
#+:ieee-floating-point (defparameter $ieee t)
#-:ieee-floating-point (defparameter $ieee nil)

;; when true indicate that that the Boot translator
;; is called interactively.
(defparameter |$InteractiveMode| nil)

(defmacro memq (a b) 
  `(member ,a ,b :test #'eq))

(defvar *lisp-bin-filetype* "o")

(defvar *lisp-source-filetype* "lisp")

(defun setdifference (x y)
  (set-difference x y))

(defun make-cvec (sint)
  (make-string sint))

(defun MAKE-VEC (n) 
  (make-array n))

(defun |shoeInputFile| (filespec )
  (open filespec :direction :input :if-does-not-exist nil))

(defmacro |shoeOpenInputFile|
  (stream fn prog)
    `(with-open-file (,stream ,fn :direction :input
       :if-does-not-exist nil) ,prog))

(defmacro |shoeOpenOutputFile|
  (stream fn prog)
    `(with-open-file (,stream ,fn :direction :output
       :if-exists :supersede) ,prog))

(defun shoeprettyprin1 (x &optional (stream *standard-output*))
  (let ((*print-pretty* t)
        (*print-array* t)
        (*print-circle* t)
        (*print-level* nil)
        (*print-length* nil))
    (prin1 x stream)))
 
(defun reallyprettyprint (x &optional (stream *terminal-io*))
  (shoeprettyprin1 x stream) (terpri stream))
 
(defun shoeprettyprin0 (x &optional (stream *standard-output*))
  (let ((*print-pretty* nil)
        (*print-array* t)
        (*print-circle* t)
        (*print-level* nil)
        (*print-length* nil))
    (prin1 x stream)))
 
(defun shoenotprettyprint (x &optional (stream *terminal-io*))
  (shoeprettyprin0 x stream) 
  (terpri stream))

(defun make-full-cvec (sint &optional (char #\space))
  (make-string sint :initial-element (character char)))

(defun |shoePLACEP| (item) 
  (eq item nil))

(defun substring (cvec start length)
  (if length 
      (subseq cvec start (+ start length))
    (subseq cvec start)))

(defun MAKE-HASHTABLE (id1)
  (let ((test (case id1
                    ((EQ ID) #'eq)
                    (CVEC #'equal)
                    ((UEQUAL EQUAL) #'equal)
                    (otherwise (error "bad arg to make-hashtable")))))
    (make-hash-table :test test)))

(defun HKEYS (table)
  (let (keys)
    (maphash #'(lambda (key val) 
                 (declare (ignore val))
                 (push key keys)) table)
    keys))


(defun HPUT (table key value)
  (setf (gethash key table) value))
 
(defun QENUM (cvec ind)
  (char-code (char cvec ind)))
 
(defun charmem (a b)
  (member  a  b :test #'eql))

(defun |shoeIdChar| (x)
  (or (ALPHANUMERICP x)
      (charmem x '(#\' #\? #\%))))

(defun |shoeStartsId| (x)
  (or (alpha-char-p x)
      (charmem x '(#\$ #\? #\%))))
 
(defun strpos (what in start dontcare)
  (setq what (string what) in (string in))
  (if dontcare
      (progn 
	(setq dontcare (character dontcare))
	(search what in :start2 start
		:test #'(lambda (x y) (or (eql x dontcare)
					  (eql x y)))))
    (search what in :start2 start)))
 

(defun strposl (table cvec sint item)
  (setq cvec (string cvec))
  (if (not item)
      (position table cvec 
		:test #'(lambda (x y) (position y x))
		:start sint)
    (position table cvec 
	      :test-not #'(lambda (x y) (position y x))
              :start sint)))

(defun VEC-SETELT (vec ind val) 
  (setf (elt vec ind) val))

(defun  bvec-make-full (n x)
  (make-array (list n) 
	      :element-type 'bit
	      :initial-element x))

(defun make-bvec (n)
  (bvec-make-full n 0))
 
(defun bvec-setelt (bv i x)
  (setf (sbit bv i) x))

(defun size (l)
  (cond ((vectorp l) (length l))
        ((consp l) (list-length l))
        (t 0)))

(defun identp (a) 
  (and (symbolp a) a))

(defun |shoeReadLisp| (s n)
  (multiple-value-list (read-from-string s nil nil :start n)))

(defun |last| (x)
  (car (last x)))