allowing paren-less instance creation, a la 'new Class'

examples/code.coffee

@@ -19,7 +19,7 @@ spaced_out_multiline_object: {
   pi: 3.14159
   list: [1, 2, 3, 4]
   regex: /match[ing](every|thing|\/)/gi
-  three: new Idea()
+  three: new Idea
 
   inner_obj: {
     freedom: -> _.freedom()

examples/computer_science/linked_list.coffee

@@ -90,14 +90,14 @@ class LinkedList
 
 
 # Tests.
-list: new LinkedList()
+list: new LinkedList
 
 list.add("Hi")
 puts(list.size()  is 1)
 puts(list.item(0) is "Hi")
 puts(list.item(1) is null)
 
-list: new LinkedList()
+list: new LinkedList
 list.add("zero").add("one").add("two")
 puts(list.size()     is 3)
 puts(list.item(2)    is "two")

examples/potion.coffee

@@ -60,7 +60,7 @@ class Person
 # p = Person ()
 # p /name string print
 
-p: new Person()
+p: new Person
 print p.name
 
 
@@ -188,9 +188,9 @@ HomePage::get: (url) ->
 # b /right = BTree ()
 
 BTree:    ->
-b:        new BTree()
+b:        new BTree
-b.left:   new BTree()
+b.left:   new BTree
-b.right:  new BTree()
+b.right:  new BTree
 
 
 # BTree = class: /left, /right.
@@ -200,6 +200,6 @@ b.right:  new BTree()
 #   'left path found!' print.
 
 BTree: ->
-b: new BTree()
+b: new BTree
 
 print('left path found!') if b.left?

lib/grammar.js

@@ -232,9 +232,11 @@
       })
     ],
     Call: [
-      o("Invocation"), o("NEW Invocation", function() {
+      o("Invocation"), o("Super"), o("NEW Invocation", function() {
         return $2.newInstance();
-      }), o("Super")
+      }), o("NEW Value", function() {
+        return (new CallNode($2, [])).newInstance();
+      })
     ],
     Extends: [
       o("SimpleAssignable EXTENDS Value", function() {

src/coffee-script.coffee

@@ -25,7 +25,7 @@ else
 exports.VERSION: '0.7.0'
 
 # Instantiate a Lexer for our use here.
-lexer: new Lexer()
+lexer: new Lexer
 
 # Compile a string of CoffeeScript code to JavaScript, using the Coffee/Jison
 # compiler.

src/grammar.coffee

@@ -53,8 +53,8 @@ grammar: {
   # The **Root** is the top-level node in the syntax tree. Since we parse bottom-up,
   # all parsing must end here.
   Root: [
-    o "",                                       -> new Expressions()
+    o "",                                       -> new Expressions
-    o "TERMINATOR",                             -> new Expressions()
+    o "TERMINATOR",                             -> new Expressions
     o "Body"
     o "Block TERMINATOR"
   ]
@@ -106,7 +106,7 @@ grammar: {
   # token stream.
   Block: [
     o "INDENT Body OUTDENT",                    -> $2
-    o "INDENT OUTDENT",                         -> new Expressions()
+    o "INDENT OUTDENT",                         -> new Expressions
   ]
 
   # A literal identifier, a variable name or property.
@@ -285,8 +285,9 @@ grammar: {
   # and calling `super()`
   Call: [
     o "Invocation"
-    o "NEW Invocation",                         -> $2.newInstance()
     o "Super"
+    o "NEW Invocation",                         -> $2.newInstance()
+    o "NEW Value",                              -> (new CallNode($2, [])).newInstance()
   ]
 
   # Extending an object by setting its prototype chain to reference a parent

src/lexer.coffee

@@ -54,7 +54,7 @@ exports.Lexer: class Lexer
       @extractNextToken()
     @closeIndentation()
     return @tokens if o.rewrite is off
-    (new Rewriter()).rewrite @tokens
+    (new Rewriter).rewrite @tokens
 
   # At every position, run through this list of attempted matches,
   # short-circuiting if any of them succeed. Their order determines precedence:
@@ -383,7 +383,7 @@ exports.Lexer: class Lexer
     if str.length < 3 or not starts str, '"'
       @token 'STRING', str
     else
-      lexer:    new Lexer()
+      lexer:    new Lexer
       tokens:   []
       quote:    str.substring 0, 1
       [i, pi]:  [1, 1]

src/nodes.coffee

@@ -630,7 +630,7 @@ exports.ClassNode: class ClassNode extends BaseNode
   # constructor, property assignments, and inheritance getting built out below.
   compileNode: (o) ->
     extension:  @parent and new ExtendsNode(@variable, @parent)
-    props:      new Expressions()
+    props:      new Expressions
     o.top:      true
     me:         null
     className:  @variable.compile o
@@ -642,7 +642,7 @@ exports.ClassNode: class ClassNode extends BaseNode
         new CallNode(applied, [literal('this'), literal('arguments')])
       ]))
     else
-      constructor: new CodeNode()
+      constructor: new CodeNode
 
     for prop in @properties
       [pvar, func]: [prop.variable, prop.value]
@@ -787,7 +787,7 @@ exports.CodeNode: class CodeNode extends BaseNode
 
   constructor: (params, body, tag) ->
     @params:  params or []
-    @body:    body or new Expressions()
+    @body:    body or new Expressions
     @bound:   tag is 'boundfunc'
 
   # Compilation creates a new scope unless explicitly asked to share with the

test/test_classes.coffee

@@ -22,7 +22,7 @@ class ThirdChild extends SecondChild
   func: (string) ->
     super('three/') + string
 
-result: (new ThirdChild()).func 'four'
+result: (new ThirdChild).func 'four'
 
 ok result is 'zero/one/two/three/four'
 ok Base.static('word') is 'static/word'
@@ -40,7 +40,7 @@ class SubClass extends SuperClass
   constructor: ->
     super 'sub'
 
-ok (new SubClass()).prop is 'top-super-sub'
+ok (new SubClass).prop is 'top-super-sub'
 
 
 class OneClass
@@ -75,11 +75,11 @@ ThirdChild extends SecondChild
 ThirdChild::func: (string) ->
   super('three/') + string
 
-result: (new ThirdChild()).func 'four'
+result: (new ThirdChild).func 'four'
 
 ok result is 'zero/one/two/three/four'
 
-ok (new ThirdChild())['func-func']('thing') is 'dynamic-thing'
+ok (new ThirdChild)['func-func']('thing') is 'dynamic-thing'
 
 
 TopClass: (arg) ->
@@ -97,7 +97,7 @@ SubClass: ->
 SuperClass extends TopClass
 SubClass extends SuperClass
 
-ok (new SubClass()).prop is 'top-super-sub'
+ok (new SubClass).prop is 'top-super-sub'
 
 
 # '@' referring to the current instance, and not being coerced into a call.
@@ -105,7 +105,7 @@ class ClassName
   amI: ->
     @ instanceof ClassName
 
-obj: new ClassName()
+obj: new ClassName
 ok obj.amI()
 
 
@@ -125,7 +125,7 @@ class Class
   class: 'class'
   name: -> @class
 
-instance: new Class()
+instance: new Class
 ok instance.class is 'class'
 ok instance.name() is 'class'
 

test/test_splats.coffee

@@ -89,7 +89,7 @@ class Child extends Parent
     nums: [3, 2, 1]
     super nums...
 
-ok (new Child()).meth().join(' ') is '3 2 1'
+ok (new Child).meth().join(' ') is '3 2 1'
 
 
 # Functions with splats being called with too few arguments.