Added {} to *ps-literals*.

Using {} as a literal to create an empty object literal was only
working by accident previously.  When not in the function position, {}
was being compiled as a JS variable rather than an object-literal,
which just happened to work sometimes.  In concert with correctly
checking symbols that aren't in the parenscript package, this should
provide for more reliable behavior.

diff --git a/src/special-forms.lisp b/src/special-forms.lisp
index 7007f78..e07d331 100644 (file)
--- a/src/special-forms.lisp
+++ b/src/special-forms.lisp
@@ -50,6 +50,7 @@
                   (compile-parenscript-form form :expecting :expression))
                 coords)))
 
+(pushnew '{} *ps-literals*)
 (define-ps-special-form {} (expecting &rest arrows)
   (declare (ignore expecting))
   (cons 'object-literal (loop for (key value) on arrows by #'cddr