Allow get or set parentheses-less function calls when first argument is a string without a colon (so a plain string, not a property accessor)

Author: GeoffreyBooth

lib/coffeescript/lexer.js

@@ -252,7 +252,7 @@ exports.Lexer = class Lexer
     if prev and @value() is 'from' and (@seenImport or @seenExport)
       prev[0] = 'FROM'
 
-    if prev and prev.spaced and prev[0] in CALLABLE and /^[gs]et$/.test(prev[1])
+    if prev and prev.spaced and prev[0] in CALLABLE and /^[gs]et$/.test(prev[1]) and /^\S*:\s/.test(@chunk)
       @error "'#{prev[1]}' cannot be used as a keyword, or as a function call without parentheses", prev[2]
 
     regex = switch quote

src/lexer.coffee

@@ -712,15 +712,23 @@ test "get and set can be used as function names when not ambiguous with `get`/`s
   set = (val) -> val
   eq 2, get(2)
   eq 3, set(3)
+  eq 2, get 2
+  eq 3, set 3
   eq 'a', get('a')
   eq 'b', set('b')
+  eq 'a', get 'a'
+  eq 'b', set 'b'
 
   get = ({val}) -> val
   set = ({val}) -> val
   eq 4, get({val: 4})
   eq 5, set({val: 5})
+  eq 4, get {val: 4}
+  eq 5, set {val: 5}
   eq 'c', get({val: 'c'})
   eq 'd', set({val: 'd'})
+  eq 'c', get {val: 'c'}
+  eq 'd', set {val: 'd'}
 
 test "get and set can be used as variable and property names", ->
   get = 2