(defun reverse (list)
(revappend list '()))
+ (defmacro psetq (&rest pairs)
+ (let (;; For each pair, we store here a list of the form
+ ;; (VARIABLE GENSYM VALUE).
+ (assignments '()))
+ (while t
+ (cond
+ ((null pairs) (return))
+ ((null (cdr pairs))
+ (error "Odd paris in PSETQ"))
+ (t
+ (let ((variable (car pairs))
+ (value (cadr pairs)))
+ (push `(,variable ,(gensym) ,value) assignments)
+ (setq pairs (cddr pairs))))))
+ (setq assignments (reverse assignments))
+ ;;
+ `(let ,(mapcar #'cdr assignments)
+ (setq ,@(!reduce #'append (mapcar #'butlast assignments) '())))))
+
(defun list-length (list)
(let ((l 0))
(while (not (null list))
(defun export (symbols &optional (package *package*))
(let ((exports (%package-external-symbols package)))
(dolist (symb symbols t)
- (oset exports (symbol-name symb) symb)))))
+ (oset exports (symbol-name symb) symb))))
+
+ (defun get-universal-time ()
+ (+ (get-unix-time) 2208988800)))
;;; The compiler offers some primitives and special forms which are
(ls-compile-block body t)) *newline*
"})"))))
-(define-compilation setq (var val)
+
+(defun setq-pair (var val)
(let ((b (lookup-in-lexenv var *environment* 'variable)))
(if (eq (binding-type b) 'lexical-variable)
(concat (binding-value b) " = " (ls-compile val))
(ls-compile `(set ',var ,val)))))
+(define-compilation setq (&rest pairs)
+ (let ((result ""))
+ (while t
+ (cond
+ ((null pairs) (return))
+ ((null (cdr pairs))
+ (error "Odd paris in SETQ"))
+ (t
+ (concatf result
+ (concat (setq-pair (car pairs) (cadr pairs))
+ (if (null (cddr pairs)) "" ", ")))
+ (setq pairs (cddr pairs)))))
+ (concat "(" result ")")))
+
;;; FFI Variable accessors
(define-compilation js-vref (var)
var)
"}" *newline*))
(define-compilation let (bindings &rest body)
- (let ((bindings (mapcar #'ensure-list bindings)))
- (let ((variables (mapcar #'first bindings)))
- (let ((cvalues (mapcar #'ls-compile (mapcar #'second bindings)))
- (*environment* (extend-local-env (remove-if #'special-variable-p variables)))
- (dynamic-bindings))
- (concat "(function("
- (join (mapcar (lambda (x)
- (if (special-variable-p x)
- (let ((v (gvarname x)))
- (push (cons x v) dynamic-bindings)
- v)
- (translate-variable x)))
- variables)
- ",")
- "){" *newline*
- (let ((body (ls-compile-block body t)))
- (indent (let-binding-wrapper dynamic-bindings body)))
- "})(" (join cvalues ",") ")")))))
+ (let* ((bindings (mapcar #'ensure-list bindings))
+ (variables (mapcar #'first bindings))
+ (cvalues (mapcar #'ls-compile (mapcar #'second bindings)))
+ (*environment* (extend-local-env (remove-if #'special-variable-p variables)))
+ (dynamic-bindings))
+ (concat "(function("
+ (join (mapcar (lambda (x)
+ (if (special-variable-p x)
+ (let ((v (gvarname x)))
+ (push (cons x v) dynamic-bindings)
+ v)
+ (translate-variable x)))
+ variables)
+ ",")
+ "){" *newline*
+ (let ((body (ls-compile-block body t)))
+ (indent (let-binding-wrapper dynamic-bindings body)))
+ "})(" (join cvalues ",") ")")))
;;; Return the code to initialize BINDING, and push it extending the
(value (second binding)))
(if (special-variable-p var)
(concat (ls-compile `(setq ,var ,value)) ";" *newline*)
- (let ((v (gvarname var)))
- (let ((b (make-binding var 'variable v)))
- (prog1 (concat "var " v " = " (ls-compile value) ";" *newline*)
- (push-to-lexenv b *environment* 'variable)))))))
+ (let* ((v (gvarname var))
+ (b (make-binding var 'variable v)))
+ (prog1 (concat "var " v " = " (ls-compile value) ";" *newline*)
+ (push-to-lexenv b *environment* 'variable))))))
;;; Wrap BODY to restore the symbol values of SYMBOLS after body. It
;;; DOES NOT generate code to initialize the value of the symbols,
"if (i < 0 || i >= x.length) throw 'Out of range';" *newline*
"return x[i] = " value ";" *newline*))
+(define-builtin get-unix-time ()
+ (concat "(Math.round(new Date() / 1000))"))
+
(defun macro (x)
(and (symbolp x)
(ls-compile-toplevel x))))
(js-eval code)))
- (export '(&rest &optional &body * *gensym-counter* *package* + - /
- 1+ 1- < <= = = > >= and append apply aref arrayp aset
- assoc atom block boundp boundp butlast caar cadddr caddr
- cadr car car case catch cdar cdddr cddr cdr cdr char
- char-code char= code-char cond cons consp copy-list decf
- declaim defparameter defun defvar digit-char-p disassemble
- documentation dolist dotimes ecase eq eql equal error eval
- every export fdefinition find-package find-symbol first
- fourth fset funcall function functionp gensym go identity
- if in-package incf integerp integerp intern keywordp
- lambda last length let let* list-all-packages list listp
- make-array make-package make-symbol mapcar member minusp
- mod nil not nth nthcdr null numberp or package-name
- package-use-list packagep plusp prin1-to-string print
- proclaim prog1 prog2 pron push quote remove remove-if
- remove-if-not return return-from revappend reverse second
- set setq some string-upcase string string= stringp subseq
- symbol-function symbol-name symbol-package symbol-plist
- symbol-value symbolp t tagbody third throw truncate unless
- unwind-protect variable warn when write-line write-string
- zerop))
+ (export '(&rest &optional &body * *gensym-counter* *package* + - / 1+ 1- < <= =
+ = > >= and append apply aref arrayp aset assoc atom block boundp
+ boundp butlast caar cadddr caddr cadr car car case catch cdar cdddr
+ cddr cdr cdr char char-code char= code-char cond cons consp copy-list
+ decf declaim defparameter defun defmacro defvar digit-char-p disassemble
+ documentation dolist dotimes ecase eq eql equal error eval every
+ export fdefinition find-package find-symbol first fourth fset funcall
+ function functionp gensym get-universal-time go identity if in-package
+ incf integerp integerp intern keywordp lambda last length let let*
+ list-all-packages list listp make-array make-package make-symbol
+ mapcar member minusp mod nil not nth nthcdr null numberp or
+ package-name package-use-list packagep plusp prin1-to-string print
+ proclaim prog1 prog2 progn psetq push quote remove remove-if
+ remove-if-not return return-from revappend reverse second set setq
+ some string-upcase string string= stringp subseq symbol-function
+ symbol-name symbol-package symbol-plist symbol-value symbolp t tagbody
+ third throw truncate unless unwind-protect variable warn when
+ write-line write-string zerop))
(setq *package* *user-package*)
projects / jscl.git / blobdiff