+#+lispstrack
+(progn
+ (eval-when-compile
+ (%compile-defmacro 'defmacro
+ (lambda (name args &rest body)
+ `(eval-when-compile
+ (%compile-defmacro ',name (lambda ,args ,@body))))))
+
+ (defmacro defvar (name value)
+ `(progn
+ (eval-when-compile
+ (%compile-defvar ',name))
+ (setq ,name ,value)))
+
+ (defmacro defun (name args &rest body)
+ `(progn
+ (eval-when-compile
+ (%compile-defun ',name))
+ (fsetq ,name (lambda ,args ,@body))))
+
+ (defun = (x y) (= x y))
+ (defun + (x y) (+ x y))
+ (defun - (x y) (- x y))
+ (defun * (x y) (* x y))
+ (defun / (x y) (/ x y))
+ (defun 1+ (x) (+ x 1))
+ (defun 1- (x) (- x 1))
+ (defun cons (x y) (cons x y))
+ (defun car (x) (car x))
+ (defun cdr (x) (cdr x))
+
+ (defun append (list1 list2)
+ (if (null list1)
+ list2
+ (cons (car list1)
+ (append (cdr list1) list2))))
+
+ (defun reverse-aux (list acc)
+ (if (null list)
+ acc
+ (reverse-aux (cdr list) (cons (car list) acc))))
+
+ (defun reverse (list)
+ (reverse-aux list '()))
+
+ (defun mapcar (func list)
+ (if (null list)
+ '()
+ (cons (funcall func (car list))
+ (mapcar func (cdr list)))))
+
+ (defmacro push (x place)
+ `(setq ,place (cons ,x ,place))))
+
+
+(defun !reduce (func list initial)
+ (if (null list)
+ initial
+ (!reduce func
+ (cdr list)
+ (funcall func initial (car list)))))
+
;;; Utils
#+common-lisp
-(defmacro while (condition &body body)
- `(do ()
- ((not ,condition))
- ,@body))
+(progn
+ (defmacro while (condition &body body)
+ `(do ()
+ ((not ,condition))
+ ,@body))
+
+ #+common-lisp
+ (defun concat-two (s1 s2)
+ (concatenate 'string s1 s2)))
(defvar *newline* "
")
-;;; simplify me, please
(defun concat (&rest strs)
- (reduce (lambda (s1 s2) (concatenate 'string s1 s2))
- strs
- :initial-value ""))
+ (!reduce (lambda (s1 s2) (concat-two s1 s2))
+ strs
+ ""))
;;; Concatenate a list of strings, with a separator
(defun join (list separator)
"){"
*newline*
(if rest-argument
- (concat "var " (lookup-variable rest-argument new-env)
- " = arguments.slice("
- (prin1-to-string (length required-arguments))
- ");"
+ (concat "var " (lookup-variable rest-argument new-env) ";" *newline*
+ "for (var i = arguments.length-1; i>="
+ (integer-to-string (length required-arguments))
+ "; i--)" *newline*
+ (lookup-variable rest-argument new-env) " = "
+ "{car: arguments[i], cdr: " (lookup-variable rest-argument new-env) "};"
*newline*)
"")
(concat (ls-compile-block (butlast body) new-env fenv)
((symbolp x)
(lookup-function x fenv))))
+#+common-lisp
(defmacro eval-when-compile (&body body)
`(eval-when (:compile-toplevel :execute)
,@body))
(backquote-expand-1 (cadr form))
form))
+(defmacro backquote (form)
+ (backquote-expand-1 form))
+
(define-transformation backquote (form)
(backquote-expand-1 form))
(define-compilation = (x y)
(concat "((" (ls-compile x env fenv) ") == (" (ls-compile y env fenv) "))"))
+(define-compilation null (x)
+ (concat "(" (ls-compile x env fenv) "== undefined)"))
+
(define-compilation cons (x y)
(concat "{car: " (ls-compile x env fenv) ", cdr: " (ls-compile y env fenv) "}"))
(define-compilation eq (x y)
(concat "(" (ls-compile x env fenv) " === " (ls-compile y env fenv) ")"))
+(define-compilation eql (x y)
+ (concat "(" (ls-compile x env fenv) " == " (ls-compile y env fenv) ")"))
+
(define-compilation code-char (x)
(concat "String.fromCharCode( " (ls-compile x env fenv) ")"))
+(define-compilation char (string index)
+ (concat "("
+ (ls-compile string env fenv)
+ ").charCodeAt("
+ (ls-compile index env fenv)
+ ")"))
+
+(define-compilation concat-two (string1 string2)
+ (concat "("
+ (ls-compile string1 env fenv)
+ ").concat("
+ (ls-compile string2 env fenv)
+ ")"))
+
+(define-compilation funcall (func &rest args)
+ (concat "("
+ (ls-compile func env fenv)
+ ")("
+ (join (mapcar (lambda (x)
+ (ls-compile x env fenv))
+ args)
+ ", ")
+ ")"))
+
(defun %compile-defvar (name)
(push (make-var-binding name) *env*)
(push (concat "var " (lookup-variable name *env*)) *toplevel-compilations*))
(setq *toplevel-compilations* nil))))
#+common-lisp
-(defun ls-compile-file (filename output)
- (with-open-file (in filename)
- (with-open-file (out output :direction :output :if-exists :supersede)
- (loop
- for x = (ls-read in)
- until (eq x *eof*)
- for compilation = (ls-compile-toplevel x)
- when compilation do (write-line (concat compilation "; ") out)))))
-
-;;; Testing
-(defun compile-test ()
- (ls-compile-file "test.lisp" "test.js"))
+(progn
+ (defun ls-compile-file (filename output)
+ (with-open-file (in filename)
+ (with-open-file (out output :direction :output :if-exists :supersede)
+ (loop
+ for x = (ls-read in)
+ until (eq x *eof*)
+ for compilation = (ls-compile-toplevel x)
+ when compilation do (write-line (concat compilation "; ") out)))))
+ (defun bootstrap ()
+ (ls-compile-file "lispstrack.lisp" "lispstrack.js")))