X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=test.lisp;h=233362153ceba8c338ac7b201e77b6079ca4162f;hb=ba6c08871676f70a779acffd50d48526fb8a9ddc;hp=1568b92e5f2a54a706af0a0b5f7d5e3dc70dabb3;hpb=ee2e4ec32c9961958bd3c1c8dda6a98e78ea61c8;p=jscl.git

diff --git a/test.lisp b/test.lisp
index 1568b92..2333621 100644
--- a/test.lisp
+++ b/test.lisp
@@ -2,9 +2,9 @@
 
 (eval-when-compile
   (%compile-defmacro 'defmacro
-     (lambda (name args &rest body)
+     '(lambda (name args &rest body)
        `(eval-when-compile
-          (%compile-defmacro ',name (lambda ,args ,@body))))))
+          (%compile-defmacro ',name '(lambda ,args ,@body))))))
 
 (defmacro defvar (name value)
   `(progn
@@ -12,21 +12,47 @@
        (%compile-defvar ',name))
      (setq ,name ,value)))
 
-(defvar t 't)
-(defvar nil 'nil)
-
 (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))
@@ -40,11 +66,13 @@
 (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 caar (x) (car (car x)))
 (defun cadr (x) (car (cdr x)))
-(defun caddr (x) (car (cdr x)))
-(defun cadddr (x) (car (cdr x)))
+(defun caddr (x) (car (cdr (cdr x))))
+(defun cadddr (x) (car (cdr (cdr (cdr x)))))
 (defun cdr (x) (cdr x))
 (defun cdar (x) (cdr (car x)))
 (defun cddr (x) (cdr (cdr x)))
@@ -107,17 +135,6 @@
 (defmacro push (x place)
   `(setq ,place (cons ,x ,place)))
 
-(defvar *package* (new))
-
-(defun intern (name)
-  (let ((s (get *package* name)))
-    (if s
-        s
-        (set *package* name (make-symbol name)))))
-
-(defun find-symbol (name)
-  (get *package* name))
-
 (defmacro cond (&rest clausules)
   (if (null clausules)
       nil
@@ -210,9 +227,9 @@
     ((null (cdr forms))
      (car forms))
     (t
-     `(if ,(car forms)
-          t
-          (or ,@(cdr forms))))))
+     (let ((g (make-symbol "VAR")))
+       `(let ((,g ,(car forms)))
+          (if ,g ,g (or ,@(cdr forms))))))))
 
 
 (defmacro prog1 (form &rest body)
@@ -261,6 +278,24 @@
     (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)
@@ -301,6 +336,64 @@
 (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
@@ -413,6 +506,7 @@
 			 (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))))))
          (#\+
@@ -453,50 +547,50 @@
 (defun mark-binding-as-declared (b)
   (setcar (cdddr b) t))
 
-(let ((counter 0))
-  (defun gvarname (symbol)
-    (concat "v" (integer-to-string (incf 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)))
-
-(let ((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 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 *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)
@@ -515,7 +609,6 @@
   (push (make-binding name 'macro lambda t) *fenv*))
 
 
-
 (defvar *compilations* nil)
 
 (defun ls-compile-block (sexps env fenv)
@@ -523,8 +616,8 @@
    (remove nil (mapcar (lambda (x)
                          (ls-compile x env fenv))
                        sexps))
-   (concat ";" *newline*)))
-
+                 ";
+"))
 (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
@@ -532,10 +625,9 @@
   `(push (list ',name (lambda (env fenv ,@args) ,@body))
          *compilations*))
 
-
 (define-compilation if (condition true false)
   (concat "("
-          (ls-compile condition env fenv)
+          (ls-compile condition env fenv) " !== " (ls-compile nil nil nil)
           " ? "
           (ls-compile true env fenv)
           " : "
@@ -567,7 +659,7 @@
               *newline*
               (if rest-argument
                   (let ((js!rest (lookup-variable-translation rest-argument new-env)))
-                    (concat "var " js!rest "= false;" *newline*
+                    (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*
@@ -592,24 +684,36 @@
 
 ;;; 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
-    ((null sexp) "false")
     ((integerp sexp) (integer-to-string sexp))
-    ((stringp sexp) (concat "\"" sexp "\""))
-    ((symbolp sexp) (concat "{name: \"" (symbol-name 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)) "}"))))
 
-(let ((counter 0))
-  (defun literal (form)
-    (if (null form)
-        (literal->js form)
-        (let ((var (concat "l" (integer-to-string (incf counter)))))
-          (push (concat "var " var " = " (literal->js form)) *toplevel-compilations*)
-          var))))
+(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))
@@ -619,7 +723,7 @@
 
 (define-compilation while (pred &rest body)
   (concat "(function(){ while("
-          (ls-compile pred env fenv)
+          (ls-compile pred env fenv) " !== " (ls-compile nil nil nil)
           "){"
           (ls-compile-block body env fenv)
           "}})()"))
@@ -632,7 +736,7 @@
      (lookup-function-translation x fenv))))
 
 #+common-lisp
-(defmacro eval-when-compile (&body body)
+c(defmacro eval-when-compile (&body body)
   `(eval-when (:compile-toplevel :load-toplevel :execute)
      ,@body))
 
@@ -689,6 +793,9 @@
 
 ;;; 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) "))"))
 
@@ -702,10 +809,14 @@
   (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) "))"))
+  (compile-bool (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) "))"))
+  (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) "))"))
@@ -714,16 +825,28 @@
   (concat "(Math.floor(" (ls-compile x env fenv) "))"))
 
 (define-compilation null (x)
-  (concat "(" (ls-compile x env fenv) "== false)"))
+  (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 "(" (ls-compile x env fenv) ").car"))
+  (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 "(" (ls-compile x env fenv) ").cdr"))
+  (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) ")"))
@@ -731,6 +854,12 @@
 (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) "}"))
 
@@ -738,14 +867,20 @@
   (concat "(" (ls-compile x env fenv) ").name"))
 
 (define-compilation eq (x y)
-  (concat "(" (ls-compile x env fenv) " === " (ls-compile y env fenv) ")"))
+  (compile-bool
+   (concat "(" (ls-compile x env fenv) " === " (ls-compile y env fenv) ")")))
 
 (define-compilation equal (x y)
-  (concat "(" (ls-compile x env fenv) " == " (ls-compile y env fenv) ")"))
+  (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()"))
 
@@ -776,6 +911,30 @@
                 ", ")
           ")"))
 
+(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(" (ls-compile string env fenv)  ")"))
+
+
 (define-compilation error (string)
   (concat "(function (){ throw " (ls-compile string env fenv) ";" "return 0;})()"))
 
@@ -783,7 +942,11 @@
   "{}")
 
 (define-compilation get (object key)
-  (concat "(" (ls-compile object env fenv) ")[" (ls-compile key env fenv) "]"))
+  (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 "(("
@@ -792,15 +955,21 @@
           (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)
-  (when (macrop (car form))
-    (let ((binding (lookup-function (car form) *env*)))
-      (if (eq (binding-type binding) 'macro)
-          (apply (eval (binding-translation binding)) (cdr form))
-          form))))
+  (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
@@ -822,7 +991,7 @@
   (cond
     ((symbolp sexp) (lookup-variable-translation sexp env))
     ((integerp sexp) (integer-to-string sexp))
-    ((stringp sexp) (concat "\"" sexp "\""))
+    ((stringp sexp) (concat "\"" (escape-string sexp) "\""))
     ((listp sexp)
      (if (assoc (car sexp) *compilations*)
          (let ((comp (second (assoc (car sexp) *compilations*))))
@@ -835,12 +1004,78 @@
   (setq *toplevel-compilations* nil)
   (let ((code (ls-compile sexp nil nil)))
     (prog1
-        (concat (join (mapcar (lambda (x) (concat x ";" *newline*))
+        (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)
-  (js-eval (ls-compile x nil nil)))
+  (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*))