From: David Vazquez <davazp@gmail.com>
Date: Mon, 24 Dec 2012 00:42:41 +0000 (+0000)
Subject: Move all the code to only one file
X-Git-Url: http://repo.macrolet.net/gitweb/?a=commitdiff_plain;h=fde8e35af42d48b703fafc91df3982e332bc64b6;p=jscl.git

Move all the code to only one file
---

diff --git a/lispstrack.lisp b/lispstrack.lisp
index 46c07c6..3b96c35 100644
--- a/lispstrack.lisp
+++ b/lispstrack.lisp
@@ -1,3 +1,97 @@
+;;; Library
+
+#+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))))
+
+ (defvar *package* (new))
+
+ (defvar nil (make-symbol "NIL"))
+ (set *package* "NIL" nil)
+
+ (defvar t (make-symbol "T"))
+ (set *package* "T" t)
+
+ (defun internp (name)
+   (in name *package*))
+
+ (defun intern (name)
+   (if (internp name)
+       (get *package* name)
+       (set *package* name (make-symbol name))))
+
+ (defun find-symbol (name)
+   (get *package* name))
+
+ (defmacro when (condition &rest body)
+   `(if ,condition (progn ,@body) nil))
+
+ (defmacro unless (condition &rest body)
+   `(if ,condition nil (progn ,@body)))
+
+ (defmacro dolist (iter &rest body)
+   (let ((var (first iter))
+         (g!list (make-symbol "LIST")))
+     `(let ((,g!list ,(second iter))
+            (,var nil))
+        (while ,g!list
+          (setq ,var (car ,g!list))
+          ,@body
+          (setq ,g!list (cdr ,g!list))))))
+
+ (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 zerop (x) (= x 0))
+ (defun not (x) (if x nil t))
+
+ (defun truncate (x y) (floor (/ x y)))
+
+ (defun cons (x y ) (cons x y))
+ (defun consp (x) (consp x))
+
+ (defun car (x) (car x))
+ (defun cdr (x) (cdr x))
+
+ (defun caar (x) (car (car x)))
+ (defun cadr (x) (car (cdr x)))
+ (defun cdar (x) (cdr (car x)))
+ (defun cddr (x) (cdr (cdr x)))
+ (defun caddr (x) (car (cdr (cdr x))))
+ (defun cdddr (x) (cdr (cdr (cdr x))))
+ (defun cadddr (x) (car (cdr (cdr (cdr x)))))
+
+ (defun first (x) (car x))
+ (defun second (x) (cadr x))
+ (defun third (x) (caddr x))
+ (defun fourth (x) (cadddr x))
+
+ (defun list (&rest args)
+   args)
+
+ (defun atom (x)
+   (not (consp x))))
+
 (defun ensure-list (x)
   (if (listp x)
       x
@@ -10,7 +104,206 @@
                (cdr list)
                (funcall func initial (car list)))))
 
-;;; Utils
+#+lispstrack
+(progn
+  (defun append-two (list1 list2)
+    (if (null list1)
+        list2
+        (cons (car list1)
+              (append (cdr list1) list2))))
+
+  (defun append (&rest lists)
+    (!reduce #'append-two lists '()))
+
+  (defun reverse-aux (list acc)
+    (if (null list)
+        acc
+        (reverse-aux (cdr list) (cons (car list) acc))))
+
+  (defun reverse (list)
+    (reverse-aux list '()))
+
+  (defmacro incf (x)
+    `(setq ,x (1+ ,x)))
+
+  (defmacro decf (x)
+    `(setq ,x (1- ,x)))
+
+  (defun list-length (list)
+    (let ((l 0))
+      (while (not (null list))
+        (incf l)
+        (setq list (cdr list)))
+      l))
+
+  (defun length (seq)
+    (if (stringp seq)
+        (string-length seq)
+        (list-length seq)))
+
+  (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)))
+
+  (defmacro cond (&rest clausules)
+    (if (null clausules)
+        nil
+        (if (eq (caar clausules) t)
+            `(progn ,@(cdar clausules))
+            `(if ,(caar clausules)
+                 (progn ,@(cdar clausules))
+                 (cond ,@(cdr clausules))))))
+
+  (defmacro case (form &rest clausules)
+    (let ((!form (make-symbol "FORM")))
+      `(let ((,!form ,form))
+         (cond
+           ,@(mapcar (lambda (clausule)
+                       (if (eq (car clausule) t)
+                           clausule
+                           `((eql ,!form ,(car clausule))
+                             ,@(cdr clausule))))
+                     clausules)))))
+
+  (defmacro ecase (form &rest clausules)
+    `(case ,form
+       ,@(append
+          clausules
+          `((t
+             (error "ECASE expression failed."))))))
+
+  (defun code-char (x) x)
+  (defun char-code (x) x)
+  (defun char= (x y) (= x y))
+
+  (defmacro and (&rest forms)
+    (cond
+      ((null forms)
+       t)
+      ((null (cdr forms))
+       (car forms))
+      (t
+       `(if ,(car forms)
+            (and ,@(cdr forms))
+            nil))))
+
+  (defmacro or (&rest forms)
+    (cond
+      ((null forms)
+       nil)
+      ((null (cdr forms))
+       (car forms))
+      (t
+       (let ((g (make-symbol "VAR")))
+         `(let ((,g ,(car forms)))
+            (if ,g ,g (or ,@(cdr forms))))))))
+
+  (defmacro prog1 (form &rest body)
+    (let ((value (make-symbol "VALUE")))
+      `(let ((,value ,form))
+         ,@body
+         ,value)))
+
+  (defun <= (x y) (or (< x y) (= x y)))
+  (defun >= (x y) (not (< x y)))
+
+  (defun listp (x)
+    (or (consp x) (null x)))
+
+  (defun integerp (x)
+    (and (numberp x) (= (floor x) x)))
+
+  (defun last (x)
+    (if (null (cdr x))
+        x
+        (last (cdr x))))
+
+  (defun butlast (x)
+    (if (null (cdr x))
+        nil
+        (cons (car x) (butlast (cdr x)))))
+
+  (defun member (x list)
+    (cond
+      ((null list)
+       nil)
+      ((eql x (car list))
+       list)
+      (t
+       (member x (cdr list)))))
+
+  (defun remove (x list)
+    (cond
+      ((null list)
+       nil)
+      ((eql x (car list))
+       (remove x (cdr list)))
+      (t
+       (cons (car list) (remove x (cdr list))))))
+
+  (defun remove-if (func list)
+    (cond
+      ((null list)
+       nil)
+      ((funcall func (car list))
+       (remove-if func (cdr list)))
+      (t
+       (cons (car list) (remove-if func (cdr list))))))
+
+  (defun remove-if-not (func list)
+    (cond
+      ((null list)
+       nil)
+      ((funcall func (car list))
+       (cons (car list) (remove-if-not func (cdr list))))
+      (t
+       (remove-if-not func (cdr list)))))
+
+  (defun digit-char-p (x)
+    (if (and (<= #\0 x) (<= x #\9))
+        (- x #\0)
+        nil))
+
+  (defun parse-integer (string)
+    (let ((value 0)
+          (index 0)
+          (size (length string)))
+      (while (< index size)
+        (setq value (+ (* value 10) (digit-char-p (char string index))))
+        (incf index))
+      value))
+
+  (defun every (function seq)
+    ;; string
+    (let ((ret t)
+          (index 0)
+          (size (length seq)))
+      (while (and ret (< index size))
+        (unless (funcall function (char seq index))
+          (setq ret nil))
+        (incf index))
+      ret))
+
+  (defun eql (x y)
+    (eq x y))
+
+  (defun assoc (x alist)
+    (cond
+      ((null alist)
+       nil)
+      ((eql x (caar alist))
+       (car alist))
+      (t
+       (assoc x (cdr alist)))))
+
+  (defun string= (s1 s2)
+    (equal s1 s2)))
+
 
 #+common-lisp
 (progn
@@ -27,6 +320,7 @@
   (defun setcdr (cons new)
     (setf (cdr cons) new)))
 
+
 (defvar *newline* (string (code-char 10)))
 
 (defun concat (&rest strs)
@@ -47,25 +341,22 @@
              (join (cdr list) separator)))))
 
 (defun join-trailing (list separator)
-  (cond
-    ((null list)
-     "")
-    ((null (car list))
-     (join-trailing (cdr list) separator))
-    (t
-     (concat (car list) separator (join-trailing (cdr list) separator)))))
+  (if (null list)
+      ""
+      (concat (car list) separator (join-trailing (cdr list) separator))))
 
 (defun integer-to-string (x)
   (if (zerop x)
       "0"
       (let ((digits nil))
-        (while (not (= x 0))
+        (while (not (zerop x))
           (push (mod x 10) digits)
           (setq x (truncate x 10)))
         (join (mapcar (lambda (d) (string (char "0123456789" d)))
                       digits)
               ""))))
 
+
 ;;;; Reader
 
 ;;; It is a basic Lisp reader. It does not use advanced stuff
@@ -223,6 +514,7 @@
 (defun mark-binding-as-declared (b)
   (setcar (cdddr b) t))
 
+
 (defvar *variable-counter* 0)
 (defun gvarname (symbol)
   (concat "v" (integer-to-string (incf *variable-counter*))))
@@ -610,6 +902,7 @@
 (define-compilation js-eval (string)
   (concat "eval.apply(window, [" (ls-compile string env fenv)  "])"))
 
+
 (define-compilation error (string)
   (concat "(function (){ throw " (ls-compile string env fenv) ";" "return 0;})()"))
 
@@ -679,13 +972,57 @@
   (setq *toplevel-compilations* nil)
   (let ((code (ls-compile sexp nil nil)))
     (prog1
-        (concat #+common-lisp (concat "/* " (princ-to-string sexp) " */")
+        (concat  #+common-lisp (concat "/* " (princ-to-string sexp) " */")
                 (join (mapcar (lambda (x) (concat x ";" *newline*))
                               *toplevel-compilations*)
                "")
                 code)
       (setq *toplevel-compilations* nil))))
 
+;;; ----------------------------------------------------------
+
+#+lispstrack
+(progn
+ (defmacro with-compilation-unit (&rest body)
+   `(prog1
+        (progn
+          (setq *compilation-unit-checks* nil)
+          (setq *env* (remove-if-not #'binding-declared *env*))
+          (setq *fenv* (remove-if-not #'binding-declared *fenv*))
+          ,@body)
+      (dolist (check *compilation-unit-checks*)
+        (funcall check))))
+
+ (defun eval (x)
+   (let ((code
+          (with-compilation-unit
+              (ls-compile-toplevel x nil nil))))
+     (js-eval code)))
+
+
+ ;; Set the initial global environment to be equal to the host global
+ ;; environment at this point of the compilation.
+ (eval-when-compile
+   (let ((c1 (ls-compile `(setq *fenv* ',*fenv*) nil nil))
+         (c2 (ls-compile `(setq *env* ',*env*) nil nil))
+         (c3 (ls-compile `(setq *variable-counter* ',*variable-counter*) nil nil))
+         (c4 (ls-compile `(setq *function-counter* ',*function-counter*) nil nil))
+         (c5 (ls-compile `(setq *literal-counter* ',*literal-counter*) nil nil)))
+     (setq *toplevel-compilations*
+           (append *toplevel-compilations* (list c1 c2 c3 c4 c5)))))
+
+ (js-eval
+  (concat "var lisp = {};"
+          "lisp.read = " (lookup-function-translation 'ls-read-from-string nil) ";" *newline*
+          "lisp.eval = " (lookup-function-translation 'eval nil) ";" *newline*
+          "lisp.compile = " (lookup-function-translation 'ls-compile-toplevel nil) ";" *newline*
+          "lisp.evalString = function(str){" *newline*
+          "   return lisp.eval(lisp.read(str));" *newline*
+          "}" *newline*
+          "lisp.compileString = function(str){" *newline*
+          "   return lisp.compile(lisp.read(str));" *newline*
+          "}" *newline*)))
+
 #+common-lisp
 (progn
   (defun read-whole-file (filename)
diff --git a/test.html b/test.html
index eec7048..5fd8256 100644
--- a/test.html
+++ b/test.html
@@ -53,7 +53,7 @@
 
   <body>
     <div id="console"></div>
-    <script src="test.js" type="text/javascript"></script>
+    <script src="lispstrack.js" type="text/javascript"></script>
     <script src="jquery.js" type="text/javascript" charset="utf-8"></script>
     <script src="jqconsole.min.js" type="text/javascript" charset="utf-8"></script>
     <script>
diff --git a/test.lisp b/test.lisp
deleted file mode 100644
index adf8c12..0000000
--- a/test.lisp
+++ /dev/null
@@ -1,1092 +0,0 @@
-;;; Library
-
-(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))))
-
-(defvar *package* (new))
-
-(defvar nil (make-symbol "NIL"))
-(set *package* "NIL" nil)
-
-(defvar t (make-symbol "T"))
-(set *package* "T" t)
-
-(defun internp (name)
-  (in name *package*))
-
-(defun intern (name)
-  (if (internp name)
-      (get *package* name)
-      (set *package* name (make-symbol name))))
-
-(defun find-symbol (name)
-  (get *package* name))
-
-(defmacro when (condition &rest body)
-  `(if ,condition (progn ,@body) nil))
-
-(defmacro unless (condition &rest body)
-  `(if ,condition nil (progn ,@body)))
-
-(defmacro dolist (iter &rest body)
-  (let ((var (first iter))
-        (g!list (make-symbol "LIST")))
-    `(let ((,g!list ,(second iter))
-           (,var nil))
-       (while ,g!list
-         (setq ,var (car ,g!list))
-         ,@body
-         (setq ,g!list (cdr ,g!list))))))
-
-(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 zerop (x) (= x 0))
-(defun not (x) (if x nil t))
-
-(defun truncate (x y) (floor (/ x y)))
-
-(defun cons (x y ) (cons x y))
-(defun consp (x) (consp x))
-
-(defun car (x) (car x))
-(defun cdr (x) (cdr x))
-
-(defun caar (x) (car (car x)))
-(defun cadr (x) (car (cdr x)))
-(defun cdar (x) (cdr (car x)))
-(defun cddr (x) (cdr (cdr x)))
-
-(defun caddr (x) (car (cdr (cdr x))))
-(defun cdddr (x) (cdr (cdr (cdr x))))
-
-(defun cadddr (x) (car (cdr (cdr (cdr x)))))
-
-(defun first (x) (car x))
-(defun second (x) (cadr x))
-(defun third (x) (caddr x))
-(defun fourth (x) (cadddr x))
-
-(defun list (&rest args)
-  args)
-
-(defun atom (x)
-  (not (consp x)))
-
-(defun ensure-list (x)
-  (if (listp x)
-      x
-      (list x)))
-
-(defun append-two (list1 list2)
-  (if (null list1)
-      list2
-      (cons (car list1)
-            (append (cdr list1) list2))))
-
-(defun append (&rest lists)
-  (!reduce #'append-two lists '()))
-
-(defun reverse-aux (list acc)
-  (if (null list)
-      acc
-      (reverse-aux (cdr list) (cons (car list) acc))))
-
-(defun reverse (list)
-  (reverse-aux list '()))
-
-(defmacro incf (x)
-  `(setq ,x (1+ ,x)))
-
-(defmacro decf (x)
-  `(setq ,x (1- ,x)))
-
-(defun list-length (list)
-  (let ((l 0))
-    (while (not (null list))
-      (incf l)
-      (setq list (cdr list)))
-    l))
-
-(defun length (seq)
-  (if (stringp seq)
-      (string-length seq)
-      (list-length seq)))
-
-(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)))
-
-(defmacro cond (&rest clausules)
-  (if (null clausules)
-      nil
-      (if (eq (caar clausules) t)
-          `(progn ,@(cdar clausules))
-          `(if ,(caar clausules)
-               (progn ,@(cdar clausules))
-               (cond ,@(cdr clausules))))))
-
-
-(defmacro case (form &rest clausules)
-  (let ((!form (make-symbol "FORM")))
-    `(let ((,!form ,form))
-       (cond
-         ,@(mapcar (lambda (clausule)
-                     (if (eq (car clausule) t)
-                         clausule
-                         `((eql ,!form ,(car clausule))
-                           ,@(cdr clausule))))
-                   clausules)))))
-
-(defmacro ecase (form &rest clausules)
-  `(case ,form
-     ,@(append
-        clausules
-        `((t
-           (error "ECASE expression failed."))))))
-
-(defun !reduce (func list initial)
-  (if (null list)
-      initial
-      (!reduce func
-               (cdr list)
-               (funcall func initial (car list)))))
-
-
-(defun code-char (x) x)
-(defun char-code (x) x)
-(defvar *newline* (string (code-char 10)))
-
-(defun concat (&rest strs)
-  (!reduce (lambda (s1 s2) (concat-two s1 s2))
-           strs
-           ""))
-
-;;; Concatenate a list of strings, with a separator
-(defun join (list separator)
-  (cond
-    ((null list)
-     "")
-    ((null (cdr list))
-     (car list))
-    (t
-     (concat (car list)
-             separator
-             (join (cdr list) separator)))))
-
-(defun join-trailing (list separator)
-  (if (null list)
-      ""
-      (concat (car list) separator (join-trailing (cdr list) separator))))
-
-(defun integer-to-string (x)
-  (if (zerop x)
-      "0"
-      (let ((digits nil))
-        (while (not (zerop x 0))
-          (push (mod x 10) digits)
-          (setq x (truncate x 10)))
-        (join (mapcar (lambda (d) (string (char "0123456789" d)))
-                      digits)
-              ""))))
-
-(defmacro and (&rest forms)
-  (cond
-    ((null forms)
-     t)
-    ((null (cdr forms))
-     (car forms))
-    (t
-     `(if ,(car forms)
-          (and ,@(cdr forms))
-          nil))))
-
-
-(defmacro or (&rest forms)
-  (cond
-    ((null forms)
-     nil)
-    ((null (cdr forms))
-     (car forms))
-    (t
-     (let ((g (make-symbol "VAR")))
-       `(let ((,g ,(car forms)))
-          (if ,g ,g (or ,@(cdr forms))))))))
-
-
-(defmacro prog1 (form &rest body)
-  (let ((value (make-symbol "VALUE")))
-    `(let ((,value ,form))
-       ,@body
-       ,value)))
-
-
-(defun char= (x y) (= x y))
-
-(defun <= (x y) (or (< x y) (= x y)))
-(defun >= (x y) (not (< x y)))
-
-(defun listp (x)
-  (or (consp x) (null x)))
-
-(defun integerp (x)
-  (and (numberp x) (= (floor x) x)))
-
-(defun last (x)
-  (if (null (cdr x))
-      x
-      (last (cdr x))))
-
-(defun butlast (x)
-  (if (null (cdr x))
-      nil
-      (cons (car x) (butlast (cdr x)))))
-
-(defun member (x list)
-  (cond
-    ((null list)
-     nil)
-    ((eql x (car list))
-     list)
-    (t
-     (member x (cdr list)))))
-
-(defun remove (x list)
-  (cond
-    ((null list)
-     nil)
-    ((eql x (car list))
-     (remove x (cdr list)))
-    (t
-     (cons (car list) (remove x (cdr list))))))
-
-(defun remove-if (func list)
-  (cond
-    ((null list)
-     nil)
-    ((funcall func (car list))
-     (remove-if func (cdr list)))
-    (t
-     (cons (car list) (remove-if func (cdr list))))))
-
-(defun remove-if-not (func list)
-  (cond
-    ((null list)
-     nil)
-    ((funcall func (car list))
-     (cons (car list) (remove-if-not func (cdr list))))
-    (t
-     (remove-if-not func (cdr list)))))
-
-(defun digit-char-p (x)
-  (if (and (<= #\0 x) (<= x #\9))
-      (- x #\0)
-      nil))
-
-(defun parse-integer (string)
-  (let ((value 0)
-        (index 0)
-        (size (length string)))
-    (while (< index size)
-      (setq value (+ (* value 10) (digit-char-p (char string index))))
-      (incf index))
-    value))
-
-(defun every (function seq)
-  ;; string
-  (let ((ret t)
-        (index 0)
-        (size (length seq)))
-    (while (and ret (< index size))
-      (unless (funcall function (char seq index))
-        (setq ret nil))
-      (incf index))
-    ret))
-
-(defun eql (x y)
-  (eq x y))
-
-(defun assoc (x alist)
-  (cond
-    ((null alist)
-     nil)
-    ((eql x (caar alist))
-     (car alist))
-    (t
-     (assoc x (cdr alist)))))
-
-(defun string= (s1 s2)
-  (equal s1 s2))
-
-;; ----------------------------------------------------------
-
-;;; Utils
-
-#+common-lisp
-(progn
-  (defmacro while (condition &body body)
-    `(do ()
-         ((not ,condition))
-       ,@body))
-
-  (defun concat-two (s1 s2)
-    (concatenate 'string s1 s2))
-
-  (defun setcar (cons new)
-    (setf (car cons) new))
-  (defun setcdr (cons new)
-    (setf (cdr cons) new)))
-
-(defvar *newline* (string (code-char 10)))
-
-(defun concat (&rest strs)
-  (!reduce (lambda (s1 s2) (concat-two s1 s2))
-           strs
-           ""))
-
-;;; Concatenate a list of strings, with a separator
-(defun join (list separator)
-  (cond
-    ((null list)
-     "")
-    ((null (cdr list))
-     (car list))
-    (t
-     (concat (car list)
-             separator
-             (join (cdr list) separator)))))
-
-(defun join-trailing (list separator)
-  (cond
-    ((null list)
-     "")
-    ((null (car list))
-     (join-trailing (cdr list) separator))
-    (t
-     (concat (car list) separator (join-trailing (cdr list) separator)))))
-
-(defun integer-to-string (x)
-  (if (zerop x)
-      "0"
-      (let ((digits nil))
-        (while (not (= x 0))
-          (push (mod x 10) digits)
-          (setq x (truncate x 10)))
-        (join (mapcar (lambda (d) (string (char "0123456789" d)))
-                      digits)
-              ""))))
-
-;;;; Reader
-
-;;; It is a basic Lisp reader. It does not use advanced stuff
-;;; intentionally, because we want to use it to bootstrap a simple
-;;; Lisp. The main entry point is the function `ls-read', which
-;;; accepts a strings as argument and return the Lisp expression.
-(defun make-string-stream (string)
-  (cons string 0))
-
-(defun %peek-char (stream)
-  (and (< (cdr stream) (length (car stream)))
-       (char (car stream) (cdr stream))))
-
-(defun %read-char (stream)
-  (and (< (cdr stream) (length (car stream)))
-       (prog1 (char (car stream) (cdr stream))
-         (setcdr stream (1+ (cdr stream))))))
-
-(defun whitespacep (ch)
-  (or (char= ch #\space) (char= ch #\newline) (char= ch #\tab)))
-
-(defun skip-whitespaces (stream)
-  (let (ch)
-    (setq ch (%peek-char stream))
-    (while (and ch (whitespacep ch))
-      (%read-char stream)
-      (setq ch (%peek-char stream)))))
-
-(defun terminalp (ch)
-  (or (null ch) (whitespacep ch) (char= #\) ch) (char= #\( ch)))
-
-(defun read-until (stream func)
-  (let ((string "")
-        (ch))
-    (setq ch (%peek-char stream))
-    (while (not (funcall func ch))
-      (setq string (concat string (string ch)))
-      (%read-char stream)
-      (setq ch (%peek-char stream)))
-    string))
-
-(defun skip-whitespaces-and-comments (stream)
-  (let (ch)
-    (skip-whitespaces stream)
-    (setq ch (%peek-char stream))
-    (while (and ch (char= ch #\;))
-      (read-until stream (lambda (x) (char= x #\newline)))
-      (skip-whitespaces stream)
-      (setq ch (%peek-char stream)))))
-
-(defun %read-list (stream)
-  (skip-whitespaces-and-comments stream)
-  (let ((ch (%peek-char stream)))
-    (cond
-      ((null ch)
-       (error "Unspected EOF"))
-      ((char= ch #\))
-       (%read-char stream)
-       nil)
-      ((char= ch #\.)
-       (%read-char stream)
-       (prog1 (ls-read stream)
-         (skip-whitespaces-and-comments stream)
-         (unless (char= (%read-char stream) #\))
-           (error "')' was expected."))))
-      (t
-       (cons (ls-read stream) (%read-list stream))))))
-
-(defun read-string (stream)
-  (let ((string "")
-        (ch nil))
-    (setq ch (%read-char stream))
-    (while (not (eql ch #\"))
-      (when (null ch)
-        (error "Unexpected EOF"))
-      (when (eql ch #\\)
-        (setq ch (%read-char stream)))
-      (setq string (concat string (string ch)))
-      (setq ch (%read-char stream)))
-    string))
-
-(defvar *eof* (make-symbol "EOF"))
-(defun ls-read (stream)
-  (skip-whitespaces-and-comments stream)
-  (let ((ch (%peek-char stream)))
-    (cond
-      ((null ch)
-       *eof*)
-      ((char= ch #\()
-       (%read-char stream)
-       (%read-list stream))
-      ((char= ch #\')
-       (%read-char stream)
-       (list 'quote (ls-read stream)))
-      ((char= ch #\`)
-       (%read-char stream)
-       (list 'backquote (ls-read stream)))
-      ((char= ch #\")
-       (%read-char stream)
-       (read-string stream))
-      ((char= ch #\,)
-       (%read-char stream)
-       (if (eql (%peek-char stream) #\@)
-           (progn (%read-char stream) (list 'unquote-splicing (ls-read stream)))
-           (list 'unquote (ls-read stream))))
-      ((char= ch #\#)
-       (%read-char stream)
-       (ecase (%read-char stream)
-         (#\'
-          (list 'function (ls-read stream)))
-         (#\\
-          (let ((cname
-		 (concat (string (%read-char stream))
-			 (read-until stream #'terminalp))))
-            (cond
-              ((string= cname "space") (char-code #\space))
-              ((string= cname "tab") (char-code #\tab))
-              ((string= cname "newline") (char-code #\newline))
-              (t (char-code (char cname 0))))))
-         (#\+
-          (let ((feature (read-until stream #'terminalp)))
-            (cond
-              ((string= feature "common-lisp")
-               (ls-read stream)         ;ignore
-               (ls-read stream))
-              ((string= feature "lispstrack")
-               (ls-read stream))
-              (t
-               (error "Unknown reader form.")))))))
-      (t
-       (let ((string (read-until stream #'terminalp)))
-         (if (every #'digit-char-p string)
-             (parse-integer string)
-             (intern (string-upcase string))))))))
-
-(defun ls-read-from-string (string)
-  (ls-read (make-string-stream string)))
-
-
-;;;; Compiler
-
-(defvar *compilation-unit-checks* '())
-
-(defvar *env* '())
-(defvar *fenv* '())
-
-(defun make-binding (name type js declared)
-  (list name type js declared))
-
-(defun binding-name (b) (first b))
-(defun binding-type (b) (second b))
-(defun binding-translation (b) (third b))
-(defun binding-declared (b)
-  (and b (fourth b)))
-(defun mark-binding-as-declared (b)
-  (setcar (cdddr b) t))
-
-
-(defvar *variable-counter* 0)
-(defun gvarname (symbol)
-  (concat "v" (integer-to-string (incf *variable-counter*))))
-
-(defun lookup-variable (symbol env)
-  (or (assoc symbol env)
-      (assoc symbol *env*)
-      (let ((name (symbol-name symbol))
-            (binding (make-binding symbol 'variable (gvarname symbol) nil)))
-        (push binding *env*)
-        (push (lambda ()
-                (unless (binding-declared (assoc symbol *env*))
-                  (error (concat "Undefined variable `" name "'"))))
-              *compilation-unit-checks*)
-        binding)))
-
-(defun lookup-variable-translation (symbol env)
-  (binding-translation (lookup-variable symbol env)))
-
-(defun extend-local-env (args env)
-  (append (mapcar (lambda (symbol)
-                    (make-binding symbol 'variable (gvarname symbol) t))
-                  args)
-          env))
-
-(defvar *function-counter* 0)
-(defun lookup-function (symbol env)
-  (or (assoc symbol env)
-      (assoc symbol *fenv*)
-      (let ((name (symbol-name symbol))
-            (binding
-             (make-binding symbol
-                           'function
-                           (concat "f" (integer-to-string (incf *function-counter*)))
-                           nil)))
-        (push binding *fenv*)
-        (push (lambda ()
-                (unless (binding-declared (assoc symbol *fenv*))
-                  (error (concat "Undefined function `" name "'"))))
-              *compilation-unit-checks*)
-        binding)))
-
-(defun lookup-function-translation (symbol env)
-  (binding-translation (lookup-function symbol env)))
-
-
-(defvar *toplevel-compilations* nil)
-
-(defun %compile-defvar (name)
-  (let ((b (lookup-variable name *env*)))
-    (mark-binding-as-declared b)
-    (push (concat "var " (binding-translation b)) *toplevel-compilations*)))
-
-(defun %compile-defun (name)
-  (let ((b (lookup-function name *env*)))
-    (mark-binding-as-declared b)
-    (push (concat "var " (binding-translation b)) *toplevel-compilations*)))
-
-(defun %compile-defmacro (name lambda)
-  (push (make-binding name 'macro lambda t) *fenv*))
-
-
-(defvar *compilations* nil)
-
-(defun ls-compile-block (sexps env fenv)
-  (join-trailing
-   (remove nil (mapcar (lambda (x)
-                         (ls-compile x env fenv))
-                       sexps))
-                 ";
-"))
-(defmacro define-compilation (name args &rest body)
-  ;; Creates a new primitive `name' with parameters args and
-  ;; @body. The body can access to the local environment through the
-  ;; variable ENV.
-  `(push (list ',name (lambda (env fenv ,@args) ,@body))
-         *compilations*))
-
-(define-compilation if (condition true false)
-  (concat "("
-          (ls-compile condition env fenv) " !== " (ls-compile nil nil nil)
-          " ? "
-          (ls-compile true env fenv)
-          " : "
-          (ls-compile false env fenv)
-          ")"))
-
-;;; Return the required args of a lambda list
-(defun lambda-list-required-argument (lambda-list)
-  (if (or (null lambda-list) (eq (car lambda-list) '&rest))
-      nil
-      (cons (car lambda-list) (lambda-list-required-argument (cdr lambda-list)))))
-
-(defun lambda-list-rest-argument (lambda-list)
-  (second (member '&rest lambda-list)))
-
-(define-compilation lambda (lambda-list &rest body)
-  (let ((required-arguments (lambda-list-required-argument lambda-list))
-        (rest-argument (lambda-list-rest-argument lambda-list)))
-    (let ((new-env (extend-local-env
-                    (append (and rest-argument (list rest-argument))
-                            required-arguments)
-                    env)))
-      (concat "(function ("
-              (join (mapcar (lambda (x)
-                              (lookup-variable-translation x new-env))
-                            required-arguments)
-                    ",")
-              "){"
-              *newline*
-              (if rest-argument
-                  (let ((js!rest (lookup-variable-translation rest-argument new-env)))
-                    (concat "var " js!rest "= " (ls-compile nil env fenv) ";" *newline*
-                            "for (var i = arguments.length-1; i>="
-                            (integer-to-string (length required-arguments))
-                            "; i--)" *newline*
-                            js!rest " = "
-                            "{car: arguments[i], cdr: " js!rest "};"
-                            *newline*))
-                  "")
-              (concat (ls-compile-block (butlast body) new-env fenv)
-                      "return " (ls-compile (car (last body)) new-env fenv) ";")
-              *newline*
-              "})"))))
-
-(define-compilation fsetq (var val)
-  (concat (lookup-function-translation var fenv)
-          " = "
-          (ls-compile val env fenv)))
-
-(define-compilation setq (var val)
-  (concat (lookup-variable-translation var env)
-          " = "
-           (ls-compile val env fenv)))
-
-;;; Literals
-
-(defun escape-string (string)
-  (let ((output "")
-        (index 0)
-        (size (length string)))
-    (while (< index size)
-      (let ((ch (char string index)))
-        (when (or (char= ch #\") (char= ch #\\))
-          (setq output (concat output "\\")))
-        (when (or (char= ch #\newline))
-          (setq output (concat output "\\"))
-          (setq ch #\n))
-        (setq output (concat output (string ch))))
-      (incf index))
-    output))
-
-(defun literal->js (sexp)
-  (cond
-    ((integerp sexp) (integer-to-string sexp))
-    ((stringp sexp) (concat "\"" (escape-string sexp) "\""))
-    ((symbolp sexp) (ls-compile `(intern ,(escape-string (symbol-name sexp))) *env* *fenv*))
-    ((consp sexp) (concat "{car: "
-                          (literal->js (car sexp))
-                          ", cdr: "
-			  (literal->js (cdr sexp)) "}"))))
-
-(defvar *literal-counter* 0)
-(defun literal (form)
-  (let ((var (concat "l" (integer-to-string (incf *literal-counter*)))))
-    (push (concat "var " var " = " (literal->js form)) *toplevel-compilations*)
-    var))
-
-(define-compilation quote (sexp)
-  (literal sexp))
-
-(define-compilation debug (form)
-  (concat "console.log(" (ls-compile form env fenv) ")"))
-
-(define-compilation while (pred &rest body)
-  (concat "(function(){ while("
-          (ls-compile pred env fenv) " !== " (ls-compile nil nil nil)
-          "){"
-          (ls-compile-block body env fenv)
-          "}})()"))
-
-(define-compilation function (x)
-  (cond
-    ((and (listp x) (eq (car x) 'lambda))
-     (ls-compile x env fenv))
-    ((symbolp x)
-     (lookup-function-translation x fenv))))
-
-#+common-lisp
-(defmacro eval-when-compile (&body body)
-  `(eval-when (:compile-toplevel :load-toplevel :execute)
-     ,@body))
-
-(define-compilation eval-when-compile (&rest body)
-  (eval (cons 'progn body))
-  nil)
-
-(defmacro define-transformation (name args form)
-  `(define-compilation ,name ,args
-     (ls-compile ,form env fenv)))
-
-(define-transformation progn (&rest body)
-  `((lambda () ,@body)))
-
-(define-transformation let (bindings &rest body)
-  (let ((bindings (mapcar #'ensure-list bindings)))
-    `((lambda ,(mapcar #'car bindings) ,@body)
-      ,@(mapcar #'cadr bindings))))
-
-;;; A little backquote implementation without optimizations of any
-;;; kind for lispstrack.
-(defun backquote-expand-1 (form)
-  (cond
-    ((symbolp form)
-     (list 'quote form))
-    ((atom form)
-     form)
-    ((eq (car form) 'unquote)
-     (car form))
-    ((eq (car form) 'backquote)
-     (backquote-expand-1 (backquote-expand-1 (cadr form))))
-    (t
-     (cons 'append
-           (mapcar (lambda (s)
-                     (cond
-                       ((and (listp s) (eq (car s) 'unquote))
-                        (list 'list (cadr s)))
-                       ((and (listp s) (eq (car s) 'unquote-splicing))
-                        (cadr s))
-                       (t
-                        (list 'list (backquote-expand-1 s)))))
-                   form)))))
-
-(defun backquote-expand (form)
-  (if (and (listp form) (eq (car form) 'backquote))
-      (backquote-expand-1 (cadr form))
-      form))
-
-(defmacro backquote (form)
-  (backquote-expand-1 form))
-
-(define-transformation backquote (form)
-  (backquote-expand-1 form))
-
-;;; Primitives
-
-(defun compile-bool (x)
-  (concat "(" x "?" (ls-compile t nil nil) ": " (ls-compile nil nil nil) ")"))
-
-(define-compilation + (x y)
-  (concat "((" (ls-compile x env fenv) ") + (" (ls-compile y env fenv) "))"))
-
-(define-compilation - (x y)
-  (concat "((" (ls-compile x env fenv) ") - (" (ls-compile y env fenv) "))"))
-
-(define-compilation * (x y)
-  (concat "((" (ls-compile x env fenv) ") * (" (ls-compile y env fenv) "))"))
-
-(define-compilation / (x y)
-  (concat "((" (ls-compile x env fenv) ") / (" (ls-compile y env fenv) "))"))
-
-(define-compilation < (x y)
-  (compile-bool (concat "((" (ls-compile x env fenv) ") < (" (ls-compile y env fenv) "))")))
-
-(define-compilation = (x y)
-  (compile-bool (concat "((" (ls-compile x env fenv) ") == (" (ls-compile y env fenv) "))")))
-
-(define-compilation numberp (x)
-  (compile-bool (concat "(typeof (" (ls-compile x env fenv) ") == \"number\")")))
-
-
-(define-compilation mod (x y)
-  (concat "((" (ls-compile x env fenv) ") % (" (ls-compile y env fenv) "))"))
-
-(define-compilation floor (x)
-  (concat "(Math.floor(" (ls-compile x env fenv) "))"))
-
-(define-compilation null (x)
-  (compile-bool (concat "(" (ls-compile x env fenv) "===" (ls-compile nil env fenv) ")")))
-
-(define-compilation cons (x y)
-  (concat "({car: " (ls-compile x env fenv) ", cdr: " (ls-compile y env fenv) "})"))
-
-(define-compilation consp (x)
-  (compile-bool
-   (concat "(function(){ var tmp = "
-           (ls-compile x env fenv)
-           "; return (typeof tmp == 'object' && 'car' in tmp);})()")))
-
-(define-compilation car (x)
-  (concat "(function () { var tmp = " (ls-compile x env fenv)
-          "; return tmp === " (ls-compile nil nil nil) "? "
-          (ls-compile nil nil nil)
-          ": tmp.car; })()"))
-
-(define-compilation cdr (x)
-  (concat "(function () { var tmp = " (ls-compile x env fenv)
-          "; return tmp === " (ls-compile nil nil nil) "? "
-          (ls-compile nil nil nil)
-          ": tmp.cdr; })()"))
-
-(define-compilation setcar (x new)
-  (concat "((" (ls-compile x env fenv) ").car = " (ls-compile new env fenv) ")"))
-
-(define-compilation setcdr (x new)
-  (concat "((" (ls-compile x env fenv) ").cdr = " (ls-compile new env fenv) ")"))
-
-(define-compilation symbolp (x)
-  (compile-bool
-   (concat "(function(){ var tmp = "
-           (ls-compile x env fenv)
-           "; return (typeof tmp == 'object' && 'name' in tmp); })()")))
-
-(define-compilation make-symbol (name)
-  (concat "{name: " (ls-compile name env fenv) "}"))
-
-(define-compilation symbol-name (x)
-  (concat "(" (ls-compile x env fenv) ").name"))
-
-(define-compilation eq (x y)
-  (compile-bool
-   (concat "(" (ls-compile x env fenv) " === " (ls-compile y env fenv) ")")))
-
-(define-compilation equal (x y)
-  (compile-bool
-   (concat "(" (ls-compile x env fenv) " == " (ls-compile y env fenv) ")")))
-
-(define-compilation string (x)
-  (concat "String.fromCharCode(" (ls-compile x env fenv) ")"))
-
-(define-compilation stringp (x)
-  (compile-bool
-   (concat "(typeof(" (ls-compile x env fenv) ") == \"string\")")))
-
-(define-compilation string-upcase (x)
-  (concat "(" (ls-compile x env fenv) ").toUpperCase()"))
-
-(define-compilation string-length (x)
-  (concat "(" (ls-compile x env fenv) ").length"))
-
-(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)
-                ", ")
-          ")"))
-
-(define-compilation apply (func &rest args)
-  (if (null args)
-      (concat "(" (ls-compile func env fenv) ")()")
-      (let ((args (butlast args))
-            (last (car (last args))))
-        (concat "(function(){" *newline*
-                "var f = " (ls-compile func env fenv) ";" *newline*
-                "var args = [" (join (mapcar (lambda (x)
-                                               (ls-compile x env fenv))
-                                             args)
-                                     ", ")
-                "];" *newline*
-                "var tail = (" (ls-compile last env fenv) ");" *newline*
-                "while (tail != " (ls-compile nil env fenv) "){" *newline*
-                "    args.push(tail.car);" *newline*
-                "    tail = tail.cdr;" *newline*
-                "}" *newline*
-                "return f.apply(this, args);" *newline*
-                "})()" *newline*))))
-
-(define-compilation js-eval (string)
-  (concat "eval.apply(window, [" (ls-compile string env fenv)  "])"))
-
-
-(define-compilation error (string)
-  (concat "(function (){ throw " (ls-compile string env fenv) ";" "return 0;})()"))
-
-(define-compilation new ()
-  "{}")
-
-(define-compilation get (object key)
-  (concat "(function(){ var tmp = "
-          "(" (ls-compile object env fenv) ")[" (ls-compile key env fenv) "]"
-          ";"
-          "return tmp == undefined? " (ls-compile nil nil nil) ": tmp ;"
-          "})()"))
-
-(define-compilation set (object key value)
-  (concat "(("
-          (ls-compile object env fenv)
-          ")["
-          (ls-compile key env fenv) "]"
-          " = " (ls-compile value env fenv) ")"))
-
-(define-compilation in (key object)
-  (compile-bool
-   (concat "(" (ls-compile key env fenv) " in " (ls-compile object env fenv) ")")))
-
-
-(defun macrop (x)
-  (and (symbolp x) (eq (binding-type (lookup-function x *fenv*)) 'macro)))
-
-(defun ls-macroexpand-1 (form env fenv)
-  (if (macrop (car form))
-      (let ((binding (lookup-function (car form) *env*)))
-        (if (eq (binding-type binding) 'macro)
-            (apply (eval (binding-translation binding)) (cdr form))
-            form))
-      form))
-
-(defun compile-funcall (function args env fenv)
-  (cond
-    ((symbolp function)
-     (concat (lookup-function-translation function fenv)
-             "("
-             (join (mapcar (lambda (x) (ls-compile x env fenv)) args)
-                   ", ")
-             ")"))
-    ((and (listp function) (eq (car function) 'lambda))
-     (concat "(" (ls-compile function env fenv) ")("
-             (join (mapcar (lambda (x) (ls-compile x env fenv)) args)
-                   ", ")
-             ")"))
-    (t
-     (error (concat "Invalid function designator " (symbol-name function))))))
-
-(defun ls-compile (sexp env fenv)
-  (cond
-    ((symbolp sexp) (lookup-variable-translation sexp env))
-    ((integerp sexp) (integer-to-string sexp))
-    ((stringp sexp) (concat "\"" (escape-string sexp) "\""))
-    ((listp sexp)
-     (if (assoc (car sexp) *compilations*)
-         (let ((comp (second (assoc (car sexp) *compilations*))))
-           (apply comp env fenv (cdr sexp)))
-         (if (macrop (car sexp))
-             (ls-compile (ls-macroexpand-1 sexp env fenv) env fenv)
-             (compile-funcall (car sexp) (cdr sexp) env fenv))))))
-
-(defun ls-compile-toplevel (sexp)
-  (setq *toplevel-compilations* nil)
-  (let ((code (ls-compile sexp nil nil)))
-    (prog1
-        (concat  #+common-lisp (concat "/* " (princ-to-string sexp) " */")
-                (join (mapcar (lambda (x) (concat x ";" *newline*))
-                              *toplevel-compilations*)
-               "")
-                code)
-      (setq *toplevel-compilations* nil))))
-
-#+common-lisp
-(progn
-  (defun read-whole-file (filename)
-    (with-open-file (in filename)
-      (let ((seq (make-array (file-length in) :element-type 'character)))
-        (read-sequence seq in)
-        seq)))
-
-  (defun ls-compile-file (filename output)
-    (setq *env* nil *fenv* nil)
-    (setq *compilation-unit-checks* nil)
-    (with-open-file (out output :direction :output :if-exists :supersede)
-      (let* ((source (read-whole-file filename))
-             (in (make-string-stream source)))
-        (loop
-           for x = (ls-read in)
-           until (eq x *eof*)
-           for compilation = (ls-compile-toplevel x)
-           when (plusp (length compilation))
-           do (write-line (concat compilation "; ") out))
-        (dolist (check *compilation-unit-checks*)
-          (funcall check))
-        (setq *compilation-unit-checks* nil))))
-
-  (defun bootstrap ()
-    (ls-compile-file "lispstrack.lisp" "lispstrack.js")))
-
-;;; ----------------------------------------------------------
-
-(defmacro with-compilation-unit (&rest body)
-  `(prog1
-       (progn
-         (setq *compilation-unit-checks* nil)
-         (setq *env* (remove-if-not #'binding-declared *env*))
-         (setq *fenv* (remove-if-not #'binding-declared *fenv*))
-         ,@body)
-     (dolist (check *compilation-unit-checks*)
-       (funcall check))))
-
-(defun eval (x)
-  (let ((code
-         (with-compilation-unit
-             (ls-compile-toplevel x nil nil))))
-    (js-eval code)))
-
-
-;; Set the initial global environment to be equal to the host global
-;; environment at this point of the compilation.
-(eval-when-compile
-  (let ((c1 (ls-compile `(setq *fenv* ',*fenv*) nil nil))
-        (c2 (ls-compile `(setq *env* ',*env*) nil nil))
-        (c3 (ls-compile `(setq *variable-counter* ',*variable-counter*) nil nil))
-        (c4 (ls-compile `(setq *function-counter* ',*function-counter*) nil nil))
-        (c5 (ls-compile `(setq *literal-counter* ',*literal-counter*) nil nil)))
-    (setq *toplevel-compilations*
-          (append *toplevel-compilations* (list c1 c2 c3 c4 c5)))))
-
-(js-eval
- (concat "var lisp = {};"
-         "lisp.read = " (lookup-function-translation 'ls-read-from-string nil) ";" *newline*
-         "lisp.eval = " (lookup-function-translation 'eval nil) ";" *newline*
-         "lisp.compile = " (lookup-function-translation 'ls-compile-toplevel nil) ";" *newline*
-         "lisp.evalString = function(str){" *newline*
-         "   return lisp.eval(lisp.read(str));" *newline*
-         "}" *newline*
-         "lisp.compileString = function(str){" *newline*
-         "   return lisp.compile(lisp.read(str));" *newline*
-         "}" *newline*))