;; (read REG ...)
;; | (read-if (REG OPERATOR ARG) CCL_BLOCK CCL_BLOCK)
;; | (read-branch REG CCL_BLOCK [CCL_BLOCK ...])
+;; | (read-multibyte-character REG {charset} REG {code-point})
;; WRITE :=
;; (write REG ...)
;; | (write EXPRESSION)
;; | (write integer) | (write string) | (write REG ARRAY)
;; | string
+;; | (write-multibyte-character REG(charset) REG(codepoint))
;; CALL := (call ccl-program-name)
;; END := (end)
;;
;; | < | > | == | <= | >= | != | de-sjis | en-sjis
;; ASSIGNMENT_OPERATOR :=
;; += | -= | *= | /= | %= | &= | '|=' | ^= | <<= | >>=
-;; ARRAY := '[' interger ... ']'
+;; ARRAY := '[' integer ... ']'
;;; Code:
+(defgroup ccl nil
+ "CCL (Code Conversion Language) compiler."
+ :prefix "ccl-"
+ :group 'i18n)
+
(defconst ccl-command-table
[if branch loop break repeat write-repeat write-read-repeat
- read read-if read-branch write call end]
- "*Vector of CCL commands (symbols).")
+ read read-if read-branch write call end
+ read-multibyte-character write-multibyte-character]
+ "Vector of CCL commands (symbols).")
;; Put a property to each symbol of CCL commands for the compiler.
(let (op (i 0) (len (length ccl-command-table)))
jump-cond-expr-register
read-jump-cond-expr-const
read-jump-cond-expr-register
+ ex-cmd
+ ]
+ "Vector of CCL compiled codes (symbols).")
+
+(defconst ccl-extended-code-table
+ [read-multibyte-character
+ write-multibyte-character
+ translate-character
+ translate-character-const-tbl
+ nil nil nil nil nil nil nil nil nil nil nil nil ; 0x04-0x0f
+ iterate-multiple-map
+ map-multiple
+ map-single
]
- "*Vector of CCL compiled codes (symbols).")
+ "Vector of CCL extended compiled codes (symbols).")
;; Put a property to each symbol of CCL codes for the disassembler.
(let (code (i 0) (len (length ccl-code-table)))
(put code 'ccl-dump-function (intern (format "ccl-dump-%s" code)))
(setq i (1+ i))))
+(let (code (i 0) (len (length ccl-extended-code-table)))
+ (while (< i len)
+ (setq code (aref ccl-extended-code-table i))
+ (if code
+ (progn
+ (put code 'ccl-ex-code i)
+ (put code 'ccl-dump-function (intern (format "ccl-dump-%s" code)))))
+ (setq i (1+ i))))
+
(defconst ccl-jump-code-list
'(jump jump-cond write-register-jump write-register-read-jump
write-const-jump write-const-read-jump write-string-jump
(defconst ccl-register-table
[r0 r1 r2 r3 r4 r5 r6 r7]
- "*Vector of CCL registers (symbols).")
+ "Vector of CCL registers (symbols).")
;; Put a property to indicate register number to each symbol of CCL.
;; registers.
(defconst ccl-arith-table
[+ - * / % & | ^ << >> <8 >8 // nil nil nil
< > == <= >= != de-sjis en-sjis]
- "*Vector of CCL arithmetic/logical operators (symbols).")
+ "Vector of CCL arithmetic/logical operators (symbols).")
;; Put a property to each symbol of CCL operators for the compiler.
(let (arith (i 0) (len (length ccl-arith-table)))
(defconst ccl-assign-arith-table
[+= -= *= /= %= &= |= ^= <<= >>= <8= >8= //=]
- "*Vector of CCL assignment operators (symbols).")
+ "Vector of CCL assignment operators (symbols).")
;; Put a property to each symbol of CCL assignment operators for the compiler.
(let (arith (i 0) (len (length ccl-assign-arith-table)))
(aset ccl-program-vector ccl-current-ic code)
(setq ccl-current-ic (1+ ccl-current-ic))))
+;; extended ccl command format
+;; |- 14-bit -|- 3-bit --|- 3-bit --|- 3-bit --|- 5-bit -|
+;; |- EX-OP --|-- REG3 --|-- REG2 --|-- REG ---|-- OP ---|
+(defun ccl-embed-extended-command (ex-op reg reg2 reg3)
+ (let ((data (logior (ash (get ex-op 'ccl-ex-code) 3)
+ (if (symbolp reg3)
+ (get reg3 'ccl-register-number)
+ 0))))
+ (ccl-embed-code 'ex-cmd reg data reg2)))
+
;; Just advance `ccl-current-ic' by INC.
(defun ccl-increment-ic (inc)
(setq ccl-current-ic (+ ccl-current-ic inc)))
(let ((unconditional-jump (ccl-compile-1 true-cmds)))
(if (null false-cmds)
;; This is the place to jump to if condition is false.
- (ccl-embed-current-address jump-cond-address)
+ (progn
+ (ccl-embed-current-address jump-cond-address)
+ (setq unconditional-jump nil))
(let (end-true-part-address)
(if (not unconditional-jump)
(progn
(ccl-embed-code 'end 0 0)
t)
+;; Compile read-multibyte-character
+(defun ccl-compile-read-multibyte-character (cmd)
+ (if (/= (length cmd) 3)
+ (error "CCL: Invalid number of arguments: %s" cmd))
+ (let ((RRR (nth 1 cmd))
+ (rrr (nth 2 cmd)))
+ (ccl-check-register rrr cmd)
+ (ccl-check-register RRR cmd)
+ (ccl-embed-extended-command 'read-multibyte-character rrr RRR 0))
+ nil)
+
+;; Compile write-multibyte-character
+(defun ccl-compile-write-multibyte-character (cmd)
+ (if (/= (length cmd) 3)
+ (error "CCL: Invalid number of arguments: %s" cmd))
+ (let ((RRR (nth 1 cmd))
+ (rrr (nth 2 cmd)))
+ (ccl-check-register rrr cmd)
+ (ccl-check-register RRR cmd)
+ (ccl-embed-extended-command 'write-multibyte-character rrr RRR 0))
+ nil)
+
+;; Compile translate-character
+;; (defun ccl-compile-translate-character (cmd)
+;; (if (/= (length cmd) 4)
+;; (error "CCL: Invalid number of arguments: %s" cmd))
+;; (let ((Rrr (nth 1 cmd))
+;; (RRR (nth 2 cmd))
+;; (rrr (nth 3 cmd)))
+;; (ccl-check-register rrr cmd)
+;; (ccl-check-register RRR cmd)
+;; (cond ((and (symbolp Rrr) (not (get Rrr 'ccl-register-number)))
+;; (if (not (get Rrr 'translation-table))
+;; (error "CCL: Invalid translation table %s in %s" Rrr cmd))
+;; (ccl-embed-extended-command 'translate-character-const-tbl
+;; rrr RRR 0)
+;; (ccl-embed-data Rrr))
+;; (t
+;; (ccl-check-register Rrr cmd)
+;; (ccl-embed-extended-command 'translate-character rrr RRR Rrr))))
+;; nil)
+
+;; (defun ccl-compile-iterate-multiple-map (cmd)
+;; (ccl-compile-multiple-map-function 'iterate-multiple-map cmd)
+;; nil)
+
+;; (defun ccl-compile-map-multiple (cmd)
+;; (if (/= (length cmd) 4)
+;; (error "CCL: Invalid number of arguments: %s" cmd))
+;; (let ((func '(lambda (arg mp)
+;; (let ((len 0) result add)
+;; (while arg
+;; (if (consp (car arg))
+;; (setq add (funcall func (car arg) t)
+;; result (append result add)
+;; add (+ (-(car add)) 1))
+;; (setq result
+;; (append result
+;; (list (car arg)))
+;; add 1))
+;; (setq arg (cdr arg)
+;; len (+ len add)))
+;; (if mp
+;; (cons (- len) result)
+;; result))))
+;; arg)
+;; (setq arg (append (list (nth 0 cmd) (nth 1 cmd) (nth 2 cmd))
+;; (funcall func (nth 3 cmd) nil)))
+;; (ccl-compile-multiple-map-function 'map-multiple arg))
+;; nil)
+
+;; (defun ccl-compile-map-single (cmd)
+;; (if (/= (length cmd) 4)
+;; (error "CCL: Invalid number of arguments: %s" cmd))
+;; (let ((RRR (nth 1 cmd))
+;; (rrr (nth 2 cmd))
+;; (map (nth 3 cmd))
+;; id)
+;; (ccl-check-register rrr cmd)
+;; (ccl-check-register RRR cmd)
+;; (ccl-embed-extended-command 'map-single rrr RRR 0)
+;; (cond ((symbolp map)
+;; (if (get map 'code-conversion-map)
+;; (ccl-embed-data map)
+;; (error "CCL: Invalid map: %s" map)))
+;; (t
+;; (error "CCL: Invalid type of arguments: %s" cmd))))
+;; nil)
+
+;; (defun ccl-compile-multiple-map-function (command cmd)
+;; (if (< (length cmd) 4)
+;; (error "CCL: Invalid number of arguments: %s" cmd))
+;; (let ((RRR (nth 1 cmd))
+;; (rrr (nth 2 cmd))
+;; (args (nthcdr 3 cmd))
+;; map)
+;; (ccl-check-register rrr cmd)
+;; (ccl-check-register RRR cmd)
+;; (ccl-embed-extended-command command rrr RRR 0)
+;; (ccl-embed-data (length args))
+;; (while args
+;; (setq map (car args))
+;; (cond ((symbolp map)
+;; (if (get map 'code-conversion-map)
+;; (ccl-embed-data map)
+;; (error "CCL: Invalid map: %s" map)))
+;; ((numberp map)
+;; (ccl-embed-data map))
+;; (t
+;; (error "CCL: Invalid type of arguments: %s" cmd)))
+;; (setq args (cdr args)))))
+
+\f
;;; CCL dump staffs
;; To avoid byte-compiler warning.
(insert "\n"))
(setq i (1+ i)))))
+(defun ccl-dump-ex-cmd (rrr cc)
+ (let* ((RRR (logand cc ?\x7))
+ (Rrr (logand (ash cc -3) ?\x7))
+ (ex-op (aref ccl-extended-code-table (logand (ash cc -6) ?\x3fff))))
+ (insert (format "<%s> " ex-op))
+ (funcall (get ex-op 'ccl-dump-function) rrr RRR Rrr)))
+
+(defun ccl-dump-read-multibyte-character (rrr RRR Rrr)
+ (insert (format "read-multibyte-character r%d r%d\n" RRR rrr)))
+
+(defun ccl-dump-write-multibyte-character (rrr RRR Rrr)
+ (insert (format "write-multibyte-character r%d r%d\n" RRR rrr)))
+
+;; (defun ccl-dump-translate-character (rrr RRR Rrr)
+;; (insert (format "translation table(r%d) r%d r%d\n" Rrr RRR rrr)))
+
+;; (defun ccl-dump-translate-character-const-tbl (rrr RRR Rrr)
+;; (let ((tbl (ccl-get-next-code)))
+;; (insert (format "translation table(%S) r%d r%d\n" tbl RRR rrr))))
+
+;; (defun ccl-dump-iterate-multiple-map (rrr RRR Rrr)
+;; (let ((notbl (ccl-get-next-code))
+;; (i 0) id)
+;; (insert (format "iterate-multiple-map r%d r%d\n" RRR rrr))
+;; (insert (format "\tnumber of maps is %d .\n\t [" notbl))
+;; (while (< i notbl)
+;; (setq id (ccl-get-next-code))
+;; (insert (format "%S" id))
+;; (setq i (1+ i)))
+;; (insert "]\n")))
+
+;; (defun ccl-dump-map-multiple (rrr RRR Rrr)
+;; (let ((notbl (ccl-get-next-code))
+;; (i 0) id)
+;; (insert (format "map-multiple r%d r%d\n" RRR rrr))
+;; (insert (format "\tnumber of maps and separators is %d\n\t [" notbl))
+;; (while (< i notbl)
+;; (setq id (ccl-get-next-code))
+;; (if (= id -1)
+;; (insert "]\n\t [")
+;; (insert (format "%S " id)))
+;; (setq i (1+ i)))
+;; (insert "]\n")))
+
+;; (defun ccl-dump-map-single (rrr RRR Rrr)
+;; (let ((id (ccl-get-next-code)))
+;; (insert (format "map-single r%d r%d map(%S)\n" RRR rrr id))))
+
+\f
;; CCL emulation staffs
;; Not yet implemented.
\f
+;; Auto-loaded functions.
+
;;;###autoload
-(defmacro declare-ccl-program (name)
+(defmacro declare-ccl-program (name &optional vector)
"Declare NAME as a name of CCL program.
To compile a CCL program which calls another CCL program not yet
-defined, it must be declared as a CCL program in advance."
- `(put ',name 'ccl-program-idx (register-ccl-program ',name nil)))
+defined, it must be declared as a CCL program in advance.
+Optional arg VECTOR is a compiled CCL code of the CCL program."
+ `(put ',name 'ccl-program-idx (register-ccl-program ',name ,vector)))
;;;###autoload
(defmacro define-ccl-program (name ccl-program &optional doc)
nil))
;;;###autoload
+(defmacro check-ccl-program (ccl-program &optional name)
+ "Check validity of CCL-PROGRAM.
+If CCL-PROGRAM is a symbol denoting a valid CCL program, return
+CCL-PROGRAM, else return nil.
+If CCL-PROGRAM is a vector and optional arg NAME (symbol) is supplied,
+register CCL-PROGRAM by name NAME, and return NAME."
+ `(let ((result ,ccl-program))
+ (cond ((symbolp ,ccl-program)
+ (or (numberp (get ,ccl-program 'ccl-program-idx))
+ (setq result nil)))
+ ((vectorp ,ccl-program)
+ (setq result ,name)
+ (register-ccl-program result ,ccl-program))
+ (t
+ (setq result nil)))
+ result))
+
+;;;###autoload
(defun ccl-execute-with-args (ccl-prog &rest args)
"Execute CCL-PROGRAM with registers initialized by the remaining args.
-The return value is a vector of resulting CCL registeres."
+The return value is a vector of resulting CCL registers."
(let ((reg (make-vector 8 0))
(i 0))
(while (and args (< i 8))
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