Add: DEFPARAMETER

[jscl.git] / ecmalisp.lisp

diff --git a/ecmalisp.lisp b/ecmalisp.lisp
index 562f1f8..6c173b9 100644 (file)
--- a/ecmalisp.lisp
+++ b/ecmalisp.lisp
@@ -24,8 +24,6 @@
 
 #+ecmalisp
 (progn
-
-  'defmacro
   (eval-when-compile
     (%compile-defmacro 'defmacro
                        '(lambda (name args &rest body)
@@ -40,8 +38,23 @@
                                                    ,@body)))
                             ',name))))
 
+  (setq nil 'nil)
+  (setq t 't)
+
+  (defmacro when (condition &body body)
+    `(if ,condition (progn ,@body) nil))
+
+  (defmacro unless (condition &body body)
+    `(if ,condition nil (progn ,@body)))
+
   (defmacro defvar (name value)
     `(progn
+       (unless (boundp ',name)
+        (setq ,name ,value))
+       ',name))
+
+  (defmacro defparameter (name value)
+    `(progn
        (setq ,name ,value)
        ',name))
 
@@ -59,9 +72,6 @@
 
   (defvar *package* (new))
 
-  (defvar nil 'nil)
-  (defvar t 't)
-
   (defun null (x)
     (eq x nil))
 
@@ -71,12 +81,16 @@
   (defmacro while (condition &body body)
     `(block nil (%while ,condition ,@body)))
 
-  (defun find-symbol (name)
-    (oget *package* name))
+  (defun internp (name)
+    (in name *package*))
 
   (defun intern (name)
-    (let ((s (find-symbol name)))
-      (if s s (oset *package* name (make-symbol name)))))
+    (if (internp name)
+        (oget *package* name)
+        (oset *package* name (make-symbol name))))
+
+  (defun find-symbol (name)
+    (oget *package* name))
 
   (defvar *gensym-counter* 0)
   (defun gensym (&optional (prefix "G"))
@@ -129,12 +143,6 @@
   (defmacro push (x place)
     `(setq ,place (cons ,x ,place)))
 
-  (defmacro when (condition &body body)
-    `(if ,condition (progn ,@body) nil))
-
-  (defmacro unless (condition &body body)
-    `(if ,condition nil (progn ,@body)))
-
   (defmacro dolist (iter &body body)
     (let ((var (first iter))
           (g!list (gensym)))
@@ -807,6 +815,7 @@
   (reverse (remove-if #'null-or-empty-p *toplevel-compilations*)))
 
 (defun %compile-defmacro (name lambda)
+  (toplevel-compilation (ls-compile `',name))
   (push-to-lexenv (make-binding name 'macro lambda t) *environment* 'function))
 
 (defvar *compilations* nil)
@@ -966,7 +975,8 @@
     ((symbolp sexp)
      (or (cdr (assoc sexp *literal-symbols*))
         (let ((v (genlit))
-              (s (concat "{name: \"" (escape-string (symbol-name sexp)) "\"}")))
+              (s #+common-lisp (concat "{name: \"" (escape-string (symbol-name sexp)) "\"}")
+                 #+ecmalisp (ls-compile `(intern ,(symbol-name sexp)))))
           (push (cons sexp v) *literal-symbols*)
           (toplevel-compilation (concat "var " v " = " s))
           v)))
@@ -1300,10 +1310,13 @@
   (concat "(" x ").name"))
 
 (define-builtin set (symbol value)
-  (concat "(" symbol ").value =" value))
+  (concat "(" symbol ").value = " value))
 
 (define-builtin fset (symbol value)
-  (concat "(" symbol ").function =" value))
+  (concat "(" symbol ").function = " value))
+
+(define-builtin boundp (x)
+  (js!bool (concat "(" x ".value !== undefined)")))
 
 (define-builtin symbol-value (x)
   (js!selfcall