Add error message when defer slot is a function call

package.json

@@ -2,7 +2,7 @@
   "name": "iced-coffee-script",
   "description": "IcedCoffeeScript",
   "author": "Jeremy Ashkenas + Maxwell Krohn",
-  "version": "108.0.10",
+  "version": "108.0.11",
   "keywords": [
     "javascript",
     "language",
@@ -40,6 +40,7 @@
     "browserify": "^4.1.8"
   },
   "dependencies": {
-    "iced-runtime": ">=0.0.1"
+    "iced-runtime": ">=0.0.1",
+    "mkdirp": "^0.5.1"
   }
 }

src/coffee-script.coffee

@@ -14,7 +14,7 @@ iced_transform = require('./iced').transform
 iced_runtime   = require 'iced-runtime'
 
 # The current CoffeeScript version number.
-exports.VERSION = '108.0.10'
+exports.VERSION = '108.0.11'
 
 exports.FILE_EXTENSIONS = ['.coffee', '.litcoffee', '.coffee.md', '.iced', '.liticed', '.iced.md']
 
@@ -132,11 +132,16 @@ exports.eval = (code, options = {}) ->
   return unless code = code.trim()
   Script = vm.Script
   if Script
+    # Node API compatibility
+    createContext = vm.Script.createContext ? vm.createContext
+    isContext = vm.isContext ? (ctx) ->
+      options.sandbox instanceof createContext().constructor
+
     if options.sandbox?
-      if options.sandbox instanceof Script.createContext().constructor
+      if isContext options.sandbox
         sandbox = options.sandbox
       else
-        sandbox = Script.createContext()
+        sandbox = createContext()
         sandbox[k] = v for own k, v of options.sandbox
       sandbox.global = sandbox.root = sandbox.GLOBAL = sandbox
     else

src/nodes.coffee

@@ -1096,6 +1096,8 @@ exports.Call = class Call extends Base
       answer = answer.concat fun
     answer = answer.concat @makeCode(".apply(#{ref}, "), splatArgs, @makeCode(")")
 
+  icedToSlot : () -> @error "function call cannot be a slot for defer"
+
 #### Extends
 
 # Node to extend an object's prototype with an ancestor object.

test/error_messages.coffee

@@ -83,7 +83,7 @@ unless global.testingBrowser
                       ^^
       """
     finally
-      fs.unlink 'test/syntax-error.coffee'
+      fs.unlinkSync 'test/syntax-error.coffee'
 
 
 test "#1096: unexpected generated tokens", ->

test/eval.coffee

@@ -10,7 +10,8 @@ if vm = require? 'vm'
     eq fhqwhgads, 'global superpower!'
 
   test "CoffeeScript.eval can run in, and modify, a Script context sandbox", ->
-    sandbox = vm.Script.createContext()
+    createContext = vm.Script.createContext ? vm.createContext # Node API change
+    sandbox = createContext()
     sandbox.foo = 'bar'
     code = '''
     global.foo = 'not bar!'

test/iced.coffee

@@ -845,3 +845,11 @@ atest "await expression assertions 1", (cb) ->
         else 20
 '''
   cb true, {}
+
+atest "await expression errors", (cb) ->
+  # forgetting `,` between `err` and `result` makes it a function
+  # call, which is invalid iced slot. make sure the error mentions
+  # that.
+  code = "await foo defer err result"
+  throws (-> CoffeeScript.compile code), /function call cannot be a slot/
+  cb true, {}

test/repl.coffee

@@ -103,7 +103,6 @@ testRepl "existential assignment of previously declared variable", (input, outpu
 
 testRepl "keeps running after runtime error", (input, output) ->
   input.emitLine 'a = b'
-  eq 0, output.lastWrite().indexOf 'ReferenceError: b is not defined'
   input.emitLine 'a'
   eq 'undefined', output.lastWrite()