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- ;;; mule-ccl.el --- Code Conversion Language functions.
-
- ;; Copyright (C) 1992 Free Software Foundation, Inc.
-
- ;; This file is part of XEmacs.
-
- ;; XEmacs is free software; you can redistribute it and/or modify it
- ;; under the terms of the GNU General Public License as published by
- ;; the Free Software Foundation; either version 2, or (at your option)
- ;; any later version.
-
- ;; XEmacs 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
- ;; General Public License for more details.
-
- ;; You should have received a copy of the GNU General Public License
- ;; along with XEmacs; see the file COPYING. If not, write to the
- ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; 93.5.26 created for Mule Ver.0.9.8 by K.Handa <handa@etl.go.jp>
-
- ;;;; #### This stuff doesn't work yet.
-
- (defconst ccl-operator-table
- '[if branch loop break repeat write-repeat write-read-repeat
- read read-if read-branch write end])
-
- (let (op (i 0) (len (length ccl-operator-table)))
- (while (< i len)
- (setq op (aref ccl-operator-table i))
- (put op 'ccl-compile-function (intern (format "ccl-compile-%s" op)))
- (setq i (1+ i))))
-
- (defconst ccl-machine-code-table
- '[set-cs set-cl set-r set-a
- jump jump-cond write-jump write-read-jump write-c-jump
- write-c-read-jump write-s-jump write-s-read-jump write-a-read-jump
- branch
- read1 read2 read-branch write1 write2 write-c write-s write-a
- end
- set-self-cs set-self-cl set-self-r set-expr-cl set-expr-r
- jump-cond-c jump-cond-r read-jump-cond-c read-jump-cond-r
- ])
-
- (let (code (i 0) (len (length ccl-machine-code-table)))
- (while (< i len)
- (setq code (aref ccl-machine-code-table i))
- (put code 'ccl-code i)
- (put code 'ccl-dump-function (intern (format "ccl-dump-%s" code)))
- (setq i (1+ i))))
-
- (defconst ccl-register-table '[r0 r1 r2 r3 r4 r5 r6 r7])
-
- (let (reg (i 0) (len (length ccl-register-table)))
- (while (< i len)
- (setq reg (aref ccl-register-table i))
- (put reg 'ccl-register-number i)
- (setq i (1+ i))))
-
- (defconst ccl-arith-table
- '[+ - * / % & | ^ << >> <8 >8 // nil nil nil < > == <= >= !=])
-
- (let (arith (i 0) (len (length ccl-arith-table)))
- (while (< i len)
- (setq arith (aref ccl-arith-table i))
- (if arith (put arith 'ccl-arith-code i))
- (setq i (1+ i))))
-
- (defconst ccl-self-arith-table
- '[+= -= *= /= %= &= |= ^= <<= >>= <8= >8= //=])
-
- (let (arith (i 0) (len (length ccl-self-arith-table)))
- (while (< i len)
- (setq arith (aref ccl-self-arith-table i))
- (put arith 'ccl-self-arith-code i)
- (setq i (1+ i))))
-
- ;; this holds the compiled CCL program as it is being compiled.
- (defvar ccl-program-vector nil)
-
- ;; this holds the index into ccl-program-vector where the next
- ;; instruction is to be stored.
- (defvar ccl-current-ic 0)
-
- ;; add a constant to the compiled CCL program, either at IC (if specified)
- ;; or at the current instruction counter (and bumping that value)
- (defun ccl-embed-const (const &optional ic)
- (if ic
- (aset ccl-program-vector ic const)
- (aset ccl-program-vector ccl-current-ic const)
- (setq ccl-current-ic (1+ ccl-current-ic))))
-
- (defun ccl-embed-code (op reg const &optional ic)
- (let ((machine-code (logior (get op 'ccl-code)
- (if (symbolp reg)
- (ash (get reg 'ccl-register-number) 5)
- 0)
- (ash const 8))))
- (if ic
- (aset ccl-program-vector ic machine-code)
- (aset ccl-program-vector ccl-current-ic machine-code)
- (setq ccl-current-ic (1+ ccl-current-ic)))))
-
- ;; advance the instruction counter by INC without doing anything else
- (defun ccl-embed-nop (&optional inc)
- (setq ccl-current-ic (+ ccl-current-ic (or inc 1))))
-
- ;;;###autoload
- (defun ccl-program-p (obj)
- "T if OBJECT is a valid CCL compiled code."
- (and (vectorp obj)
- (let ((i 0) (len (length obj)) (flag t))
- (if (> len 1)
- (progn
- (while (and flag (< i len))
- (setq flag (integerp (aref obj i)))
- (setq i (1+ i)))
- flag)))))
-
- (defvar ccl-loop-head nil)
- (defvar ccl-breaks nil)
-
- ;;;###autoload
- (defun ccl-compile (ccl-program)
- "Compile a CCL source program and return the compiled equivalent.
- The return value will be a vector of integers."
- (if (or (null (consp ccl-program))
- (null (listp (car ccl-program))))
- (error "CCL: Invalid source program: %s" ccl-program))
- (if (null (vectorp ccl-program-vector))
- (setq ccl-program-vector (make-vector 8192 0))
- ;; perhaps not necessary but guarantees some sort of determinism
- (fillarray ccl-program-vector 0))
- (setq ccl-loop-head nil ccl-breaks nil)
- (setq ccl-current-ic 0)
- ;; leave space for offset to EOL program
- (ccl-embed-nop)
- (ccl-compile-1 (car ccl-program))
- ;; store offset to EOL program in first word of compiled prog
- (ccl-embed-const ccl-current-ic 0)
- (if (car (cdr ccl-program))
- (ccl-compile-1 (car (cdr ccl-program))))
- (ccl-embed-code 'end 0 0)
- (let ((vec (make-vector ccl-current-ic 0))
- (i 0))
- (while (< i ccl-current-ic)
- (aset vec i (aref ccl-program-vector i))
- (setq i (1+ i)))
- vec))
-
- (defun ccl-check-constant (arg cmd)
- (if (>= arg 0)
- arg
- (error "CCL: Negative constant %s not allowed: %s" arg cmd)))
-
- (defun ccl-check-register (arg cmd)
- (if (get arg 'ccl-register-number)
- arg
- (error "CCL: Invalid register %s: %s" arg cmd)))
-
- (defun ccl-check-reg-const (arg cmd)
- (if (integer-or-char-p arg)
- (ccl-check-constant arg cmd)
- (ccl-check-register arg cmd)))
-
- (defun ccl-check-compile-function (arg cmd)
- (or (get arg 'ccl-compile-function)
- (error "CCL: Invalid command: %s" cmd)))
-
- ;; compile a block of CCL code (see CCL_BLOCK above).
- (defun ccl-compile-1 (cmd-list)
- (let (cmd)
- ;; a CCL_BLOCK is either STATEMENT or (STATEMENT [STATEMENT ...])
- ;; convert the former into the latter.
- (if (or (not (listp cmd-list))
- (and cmd-list (symbolp (car cmd-list))))
- (setq cmd-list (list cmd-list)))
- (while cmd-list
- (setq cmd (car cmd-list))
- ;; an int-or-char is equivalent to (r0 = int-or-char)
- ;; a string is equivalent to (write string)
- ;; convert the above two into their equivalent forms.
- ;; everything else is a list.
- (cond ((integer-or-char-p cmd)
- (ccl-compile-set (list 'r0 '= cmd)))
- ((stringp cmd)
- (ccl-compile-write-string (list 'write cmd)))
- ((listp cmd)
- (if (eq (nth 1 cmd) '=)
- (ccl-compile-set cmd)
- (if (and (symbolp (nth 1 cmd))
- (get (nth 1 cmd) 'ccl-self-arith-code))
- (ccl-compile-self-set cmd)
- (funcall (ccl-check-compile-function (car cmd) cmd) cmd))))
- (t
- (error "CCL: Invalid command: %s" cmd)))
- (setq cmd-list (cdr cmd-list)))))
-
- (defun ccl-compile-set (cmd)
- (let ((rrr (ccl-check-register (car cmd) cmd))
- (right (nth 2 cmd)))
- (cond ((listp right)
- ;; cmd == (RRR = (XXX OP YYY))
- (ccl-compile-expression rrr right))
- ((integer-or-char-p right)
- (ccl-check-constant right cmd)
- (if (< right 524288) ; (< right 2^19)
- (ccl-embed-code 'set-cs rrr right)
- (ccl-embed-code 'set-cl rrr 0)
- (ccl-embed-const right)))
- (t
- (ccl-check-register right cmd)
- (let ((ary (nth 3 cmd)))
- (if (vectorp ary)
- (let ((i 0) (len (length ary)))
- (ccl-embed-code 'set-a rrr (get right 'ccl-register-number))
- (ccl-embed-const len)
- (while (< i len)
- (ccl-check-constant (aref ary i) cmd)
- (ccl-embed-const (aref ary i))
- (setq i (1+ i))))
- (ccl-embed-code 'set-r rrr right)))))))
-
- (defun ccl-compile-self-set (cmd)
- (let ((rrr (ccl-check-register (car cmd) cmd))
- (right (nth 2 cmd)))
- (if (listp right)
- ;; cmd == (RRR SELF-OP= (XXX OP YYY))
- (progn
- (ccl-compile-expression 'r7 right)
- (setq right 'r7)))
- (ccl-compile-expression
- rrr
- (list rrr (intern (substring (symbol-name (nth 1 cmd)) 0 -1)) right))))
-
- (defun ccl-compile-expression (rrr expr)
- (let ((left (car expr))
- (right (nth 2 expr)))
- (if (listp left)
- (progn
- (ccl-compile-expression 'r7 left)
- (setq left 'r7)))
- (if (eq rrr left)
- (if (integer-or-char-p right)
- (if (< right 32768)
- (ccl-embed-code 'set-self-cs rrr right)
- (ccl-embed-code 'set-self-cl rrr 0)
- (ccl-embed-const right))
- (ccl-check-register right expr)
- (ccl-embed-code 'set-self-r rrr (get right 'ccl-register-number)))
- (if (integer-or-char-p right)
- (progn
- (ccl-embed-code 'set-expr-cl rrr (get left 'ccl-register-number))
- (ccl-embed-const right))
- (ccl-check-register right expr)
- (ccl-embed-code 'set-expr-r rrr (get left 'ccl-register-number))
- (ccl-embed-const (get right 'ccl-register-number))))
- (ccl-embed-const (get (nth 1 expr) 'ccl-arith-code))))
-
- (defun ccl-compile-write-string (cmd)
- (if (/= (length cmd) 2)
- (error "CCL: Invalid number of arguments: %s" cmd))
- (let* ((str (nth 1 cmd))
- (len (length str))
- (i 0))
- (ccl-embed-code 'write-s 0 0)
- (ccl-embed-const len)
- (while (< i len)
- (ccl-embed-const (aref str i))
- (setq i (1+ i)))))
-
- (defun ccl-compile-if (cmd)
- (if (and (/= (length cmd) 3) (/= (length cmd) 4))
- (error "CCL: Invalid number of arguments: %s" cmd))
- (let ((condition (nth 1 cmd))
- (true-cmds (nth 2 cmd))
- (false-cmds (nth 3 cmd))
- ic0 ic1 ic2)
- (if (listp condition)
- ;; cmd == (if (XXX OP YYY) ...)
- (if (listp (car condition))
- ;; cmd == (if ((xxx op yyy) OP YYY) ...)
- (progn
- (ccl-compile-expression 'r7 (car condition))
- (setq condition (cons 'r7 (cdr condition)))
- (setq cmd (cons (car cmd)
- (cons condition
- (cdr (cdr cmd))))))))
- (setq ic0 ccl-current-ic)
- (ccl-embed-nop (if (listp condition) 3 1))
- (ccl-compile-1 true-cmds)
- (if (null false-cmds)
- (setq ic1 ccl-current-ic)
- (setq ic2 ccl-current-ic)
- (ccl-embed-const 0)
- (setq ic1 ccl-current-ic)
- (ccl-compile-1 false-cmds)
- (ccl-embed-code 'jump 0 ccl-current-ic ic2))
- (if (symbolp condition)
- (ccl-embed-code 'jump-cond condition ic1 ic0)
- (let ((arg (nth 2 condition)))
- (if (integer-or-char-p arg)
- (progn
- (ccl-embed-code 'jump-cond-c (car condition) ic1 ic0)
- (ccl-embed-const arg (1+ ic0)))
- (ccl-check-register arg cmd)
- (ccl-embed-code 'jump-cond-r (car condition) ic1 ic0)
- (ccl-embed-const (get arg 'ccl-register-number) (1+ ic0)))
- (ccl-embed-const (get (nth 1 condition) 'ccl-arith-code) (+ ic0 2))))))
-
- (defun ccl-compile-branch (cmd)
- (if (< (length cmd) 3)
- (error "CCL: Invalid number of arguments: %s" cmd))
- (if (listp (nth 1 cmd))
- (progn
- (ccl-compile-expression 'r7 (nth 1 cmd))
- (setq cmd (cons (car cmd)
- (cons 'r7 (cdr (cdr cmd)))))))
- (ccl-compile-branch-1 cmd))
-
- (defun ccl-compile-read-branch (cmd)
- (ccl-compile-branch-1 cmd))
-
- (defun ccl-compile-branch-1 (cmd)
- (if (< (length cmd) 3)
- (error "CCL: Invalid number of arguments: %s" cmd))
- (let ((rrr (ccl-check-register (car (cdr cmd)) cmd))
- (branches (cdr (cdr cmd)))
- i ic0 ic1 ic2
- branch-tails)
- (ccl-embed-code (car cmd) rrr (- (length cmd) 2))
- (setq ic0 ccl-current-ic)
- (ccl-embed-nop (1- (length cmd)))
- (setq i 0)
- (while branches
- (ccl-embed-const ccl-current-ic (+ ic0 i))
- (ccl-compile-1 (car branches))
- (setq branch-tails (cons ccl-current-ic branch-tails))
- (ccl-embed-nop)
- (setq i (1+ i))
- (setq branches (cdr branches)))
- ;; We don't need `jump' from the last branch.
- (setq branch-tails (cdr branch-tails))
- (setq ccl-current-ic (1- ccl-current-ic))
- (while branch-tails
- (ccl-embed-code 'jump 0 ccl-current-ic (car branch-tails))
- (setq branch-tails (cdr branch-tails)))
- ;; This is the case `rrr' is out of range.
- (ccl-embed-const ccl-current-ic (+ ic0 i))
- ))
-
- (defun ccl-compile-loop (cmd)
- (if (< (length cmd) 2)
- (error "CCL: Invalid number of arguments: %s" cmd))
- (let ((ccl-loop-head ccl-current-ic)
- (ccl-breaks nil))
- (setq cmd (cdr cmd))
- (while cmd
- (ccl-compile-1 (car cmd))
- (setq cmd (cdr cmd)))
- (while ccl-breaks
- (ccl-embed-code 'jump 0 ccl-current-ic (car ccl-breaks))
- (setq ccl-breaks (cdr ccl-breaks)))))
-
- (defun ccl-compile-break (cmd)
- (if (/= (length cmd) 1)
- (error "CCL: Invalid number of arguments: %s" cmd))
- (if (null ccl-loop-head)
- (error "CCL: No outer loop: %s" cmd))
- (setq ccl-breaks (cons ccl-current-ic ccl-breaks))
- (ccl-embed-nop))
-
- (defun ccl-compile-repeat (cmd)
- (if (/= (length cmd) 1)
- (error "CCL: Invalid number of arguments: %s" cmd))
- (if (null ccl-loop-head)
- (error "CCL: No outer loop: %s" cmd))
- (ccl-embed-code 'jump 0 ccl-loop-head))
-
- (defun ccl-compile-write-repeat (cmd)
- (if (/= (length cmd) 2)
- (error "CCL: Invalid number of arguments: %s" cmd))
- (if (null ccl-loop-head)
- (error "CCL: No outer loop: %s" cmd))
- (let ((arg (nth 1 cmd)))
- (cond ((integer-or-char-p arg)
- (ccl-embed-code 'write-c-jump 0 ccl-loop-head)
- (ccl-embed-const arg))
- ((stringp arg)
- (ccl-embed-code 'write-s-jump 0 ccl-loop-head)
- (let ((i 0) (len (length arg)))
- (ccl-embed-const (length arg))
- (while (< i len)
- (ccl-embed-const (aref arg i))
- (setq i (1+ i)))))
- (t
- (ccl-check-register arg cmd)
- (ccl-embed-code 'write-jump arg ccl-loop-head)))))
-
- (defun ccl-compile-write-read-repeat (cmd)
- (if (or (< (length cmd) 2) (> (length cmd) 3))
- (error "CCL: Invalid number of arguments: %s" cmd))
- (if (null ccl-loop-head)
- (error "CCL: No outer loop: %s" cmd))
- (let ((rrr (ccl-check-register (nth 1 cmd) cmd))
- (arg (nth 2 cmd)))
- (cond ((null arg)
- (ccl-embed-code 'write-read-jump rrr ccl-loop-head))
- ((integer-or-char-p arg)
- (ccl-embed-code 'write-c-read-jump rrr ccl-loop-head)
- (ccl-embed-const arg))
- ((or (stringp arg) (vectorp arg))
- (ccl-embed-code (if (stringp arg)
- 'write-s-read-jump
- 'write-a-read-jump)
- rrr ccl-loop-head)
- (let ((i 0) (len (length arg)))
- (ccl-embed-const (length arg))
- (while (< i len)
- (ccl-embed-const (aref arg i))
- (setq i (1+ i)))))
- (t (error "CCL: Invalide argument %s: %s" arg cmd)))))
-
- (defun ccl-compile-read (cmd)
- (let ((rrr (ccl-check-register (nth 1 cmd) cmd)))
- (cond ((= (length cmd) 2)
- (ccl-embed-code 'read1 rrr 0))
- ((= (length cmd) 3)
- (ccl-embed-code 'read2 rrr (get (nth 2 cmd) 'ccl-register-number)))
- (t (error "CCL: Invalid number of arguments: %s" cmd)))))
-
- (defun ccl-compile-read-if (cmd)
- (if (and (/= (length cmd) 3) (/= (length cmd) 4))
- (error "CCL: Invalid number of arguments: %s" cmd))
- (let* ((expr (nth 1 cmd))
- (rrr (ccl-check-register (car expr) cmd))
- (true-cmds (nth 2 cmd))
- (false-cmds (nth 3 cmd))
- ic0 ic1 ic2)
- (setq ic0 ccl-current-ic)
- (ccl-embed-nop 3)
- (ccl-compile-1 true-cmds)
- (if (null false-cmds)
- (setq ic1 ccl-current-ic)
- (setq ic2 ccl-current-ic)
- (ccl-embed-const 0)
- (setq ic1 ccl-current-ic)
- (ccl-compile-1 false-cmds)
- (ccl-embed-code 'jump 0 ccl-current-ic ic2))
- (let ((arg (nth 2 expr)))
- (ccl-embed-code (if (integer-or-char-p arg) 'read-jump-cond-c
- 'read-jump-cond-r)
- rrr ic1 ic0)
- (ccl-embed-const (if (integer-or-char-p arg) arg
- (get arg 'ccl-register-number))
- (1+ ic0))
- (ccl-embed-const (get (nth 1 expr) 'ccl-arith-code) (+ ic0 2)))))
-
- (defun ccl-compile-write (cmd)
- (if (and (/= (length cmd) 2) (/= (length cmd) 3))
- (error "CCL: Invalid number of arguments: %s" cmd))
- (let ((rrr (nth 1 cmd)))
- (cond ((integer-or-char-p rrr)
- (ccl-embed-code 'write-c 0 0)
- (ccl-embed-const rrr))
- ((stringp rrr)
- (ccl-compile-write-string (list 'write rrr)))
- (t
- (ccl-check-register rrr cmd)
- (let ((arg (nth 2 cmd)))
- (if arg
- (cond ((symbolp arg)
- (ccl-check-register arg cmd)
- (ccl-embed-code 'write2 rrr
- (get arg 'ccl-register-number)))
- ((vectorp arg)
- (let ((i 0) (len (length arg)))
- (ccl-embed-code 'write-a rrr 0)
- (ccl-embed-const len)
- (while (< i len)
- (ccl-embed-const (aref arg i))
- (setq i (1+ i)))))
- (t (error "CCL: Invalid argument %s: %s" arg cmd)))
- (ccl-embed-code 'write1 rrr 0)))))))
-
- (defun ccl-compile-end (cmd)
- (if (/= (length cmd) 1)
- (error "CCL: Invalid number of arguments: %s" cmd))
- (ccl-embed-code 'end 0 0))
-
- ;;; CCL dump staffs
- (defvar ccl-program-vector-dump nil)
-
- ;;;###autoload
- (defun ccl-dump (ccl-code)
- "Disassemble compiled CCL-CODE."
- (save-excursion
- (set-buffer (get-buffer-create "*CCL-Dump*"))
- (erase-buffer)
- (setq ccl-program-vector-dump ccl-code)
- (let ((len (length ccl-code)))
- (insert "Main:\n")
- (setq ccl-current-ic 1)
- (if (> (aref ccl-code 0) 0)
- (progn
- (while (< ccl-current-ic (aref ccl-code 0))
- (ccl-dump-1))
- (insert "At EOF:\n")))
- (while (< ccl-current-ic len)
- (ccl-dump-1))
- ))
- (display-buffer (get-buffer "*CCL-Dump*")))
-
- (defun ccl-get-next-code ()
- (prog1
- (aref ccl-program-vector-dump ccl-current-ic)
- (setq ccl-current-ic (1+ ccl-current-ic))))
-
- (defun ccl-dump-1 ()
- (let* ((opcode (ccl-get-next-code))
- (code (logand opcode 31))
- (cmd (aref ccl-machine-code-table code))
- (rrr (logand (ash opcode -5) 7))
- (cc (ash opcode -8)))
- (insert (format "%4d: " (1- ccl-current-ic)))
- (funcall (get cmd 'ccl-dump-function) rrr cc)))
-
- (defun ccl-dump-set-cs (rrr cc)
- (insert (format "r%d = %s\n" rrr cc)))
-
- (defun ccl-dump-set-cl (rrr cc)
- (setq cc (ccl-get-next-code))
- (insert (format "r%d = %s\n" rrr cc)))
-
- (defun ccl-dump-set-r (rrr cc)
- (insert (format "r%d = r%d\n" rrr cc)))
-
- (defun ccl-dump-set-a (rrr cc)
- (let ((range (ccl-get-next-code)) (i 0))
- (insert (format "r%d = array[r%d] of length %d\n\t"
- rrr cc range))
- (let ((i 0))
- (while (< i range)
- (insert (format "%d " (ccl-get-next-code)))
- (setq i (1+ i))))
- (insert "\n")))
-
- (defun ccl-dump-jump (rrr cc)
- (insert (format "jump to %d\n" cc)))
-
- (defun ccl-dump-jump-cond (rrr cc)
- (insert (format "if !(r%d), jump to %d\n" rrr cc)))
-
- (defun ccl-dump-write-jump (rrr cc)
- (insert (format "write r%d, jump to %d\n" rrr cc)))
-
- (defun ccl-dump-write-read-jump (rrr cc)
- (insert (format "write r%d, read r%d, jump to %d\n" rrr rrr cc)))
-
- (defun ccl-dump-write-c-jump (rrr cc)
- (let ((const (ccl-get-next-code)))
- (insert (format "write %s, jump to %d\n" const cc))))
-
- (defun ccl-dump-write-c-read-jump (rrr cc)
- (let ((const (ccl-get-next-code)))
- (insert (format "write %s, read r%d, jump to %d\n" const rrr cc))))
-
- (defun ccl-dump-write-s-jump (rrr cc)
- (let ((len (ccl-get-next-code)) (i 0))
- (insert "write \"")
- (while (< i len)
- (insert (format "%c" (ccl-get-next-code)))
- (setq i (1+ i)))
- (insert (format "\", jump to %d\n" cc))))
-
- (defun ccl-dump-write-s-read-jump (rrr cc)
- (let ((len (ccl-get-next-code)) (i 0))
- (insert "write \"")
- (while (< i len)
- (insert (format "%c" (ccl-get-next-code)))
- (setq i (1+ i)))
- (insert (format "\", read r%d, jump to %d\n" rrr cc))))
-
- (defun ccl-dump-write-a-read-jump (rrr cc)
- (let ((len (ccl-get-next-code)) (i 0))
- (insert (format "write array[r%d] of length %d, read r%d, jump to %d\n\t"
- rrr len rrr cc))
- (while (< i len)
- (insert (format "%d " (ccl-get-next-code)))
- (setq i (1+ i)))
- (insert "\n")))
-
- (defun ccl-dump-branch (rrr cc)
- (let ((i 0))
- (insert (format "jump to array[r%d] of length %d)\n\t" rrr cc))
- (while (<= i cc)
- (insert (format "%d " (ccl-get-next-code)))
- (setq i (1+ i)))
- (insert "\n")))
-
- (defun ccl-dump-read1 (rrr cc)
- (insert (format "read r%d\n" rrr)))
-
- (defun ccl-dump-read2 (rrr cc)
- (insert (format "read r%d and r%d\n" rrr cc)))
-
- (defun ccl-dump-read-branch (rrr cc)
- (insert (format "read r%d, " rrr))
- (ccl-dump-branch rrr cc))
-
- (defun ccl-dump-write1 (rrr cc)
- (insert (format "write r%d\n" rrr)))
-
- (defun ccl-dump-write2 (rrr cc)
- (insert (format "write r%d and r%d\n" rrr cc)))
-
- (defun ccl-dump-write-c (rrr cc)
- (insert (format "write %s\n" (ccl-get-next-code))))
-
- (defun ccl-dump-write-s (rrr cc)
- (let ((len (ccl-get-next-code)) (i 0))
- (insert "write \"")
- (while (< i len)
- (insert (format "%c" (ccl-get-next-code)))
- (setq i (1+ i)))
- (insert "\"\n")))
-
- (defun ccl-dump-write-a (rrr cc)
- (let ((len (ccl-get-next-code)) (i 0))
- (insert (format "write array[r%d] of length %d\n\t" rrr len))
- (while (< i 0)
- (insert "%d " (ccl-get-next-code))
- (setq i (1+ i)))
- (insert "\n")))
-
- (defun ccl-dump-end (rrr cc)
- (insert "end\n"))
-
- (defun ccl-dump-set-self-cs (rrr cc)
- (let ((arith (aref ccl-arith-table (ccl-get-next-code))))
- (insert (format "r%d %s= %s\n" rrr arith cc))))
-
- (defun ccl-dump-set-self-cl (rrr cc)
- (setq cc (ccl-get-next-code))
- (let ((arith (aref ccl-arith-table (ccl-get-next-code))))
- (insert (format "r%d %s= %s\n" rrr arith cc))))
-
- (defun ccl-dump-set-self-r (rrr cc)
- (let ((arith (aref ccl-arith-table (ccl-get-next-code))))
- (insert (format "r%d %s= r%d\n" rrr arith cc))))
-
- (defun ccl-dump-set-expr-cl (rrr cc)
- (let ((const (ccl-get-next-code))
- (arith (aref ccl-arith-table (ccl-get-next-code))))
- (insert (format "r%d = r%d %s %s\n" rrr cc arith const))))
-
- (defun ccl-dump-set-expr-r (rrr cc)
- (let ((reg (ccl-get-next-code))
- (arith (aref ccl-arith-table (ccl-get-next-code))))
- (insert (format "r%d = r%d %s r%d\n" rrr cc arith reg))))
-
- (defun ccl-dump-jump-cond-c (rrr cc)
- (let ((const (ccl-get-next-code))
- (arith (aref ccl-arith-table (ccl-get-next-code))))
- (insert (format "if !(r%d %s %s), jump to %d\n" rrr arith const cc))))
-
- (defun ccl-dump-jump-cond-r (rrr cc)
- (let ((reg (ccl-get-next-code))
- (arith (aref ccl-arith-table (ccl-get-next-code))))
- (insert (format "if !(r%d %s r%d), jump to %d\n" rrr arith reg cc))))
-
- (defun ccl-dump-read-jump-cond-c (rrr cc)
- (insert (format "read r%d, " rrr))
- (ccl-dump-jump-cond-c rrr cc))
-
- (defun ccl-dump-read-jump-cond-r (rrr cc)
- (insert (format "read r%d, " rrr))
- (ccl-dump-jump-cond-r rrr cc))
-
- ;; CCL emulation staffs
-
- ;; Not yet implemented.
-
- ;; For byte-compiler
-
- ;;;###autoload
- (defmacro define-ccl-program (name ccl-program &optional doc)
- "Does (defconst NAME (ccl-compile (eval CCL-PROGRAM)) DOC).
- Byte-compiler expand this macro while compiling."
- (` (defconst (, name) (, (ccl-compile (eval ccl-program))) (, doc))))
-
- (put 'define-ccl-program 'byte-hunk-handler 'macroexpand)
-
- (provide 'ccl)
-