Merge pull request #2627 from int3/master

Parse compound assignment operator followed by a terminator. Closes #2532.

lib/coffee-script/grammar.js

@@ -565,6 +565,9 @@
       }), o('SimpleAssignable COMPOUND_ASSIGN\
        INDENT Expression OUTDENT', function() {
         return new Assign($1, $4, $2);
+      }), o('SimpleAssignable COMPOUND_ASSIGN TERMINATOR\
+       Expression', function() {
+        return new Assign($1, $4, $2);
       }), o('SimpleAssignable EXTENDS Expression', function() {
         return new Extends($1, $3);
       })

src/grammar.coffee

@@ -542,6 +542,8 @@ grammar =
        Expression',                             -> new Assign $1, $3, $2
     o 'SimpleAssignable COMPOUND_ASSIGN
        INDENT Expression OUTDENT',              -> new Assign $1, $4, $2
+    o 'SimpleAssignable COMPOUND_ASSIGN TERMINATOR
+       Expression',                             -> new Assign $1, $4, $2
     o 'SimpleAssignable EXTENDS Expression',    -> new Extends $1, $3
   ]
 

test/assignment.coffee

@@ -365,3 +365,13 @@ test '#2213: invocations within destructured parameters', ->
   throws -> CoffeeScript.compile '({a()})->'
   throws -> CoffeeScript.compile '({a:b()})->'
   throws -> CoffeeScript.compile '({a:b.c()})->'
+
+test '#2532: compound assignment with terminator', ->
+  doesNotThrow -> CoffeeScript.compile """
+  a = "hello"
+  a +=
+  "
+  world
+  !
+  "
+  """