clang-format: [JS] Make Closure module detection more narrow.

Before:
  var MyLongClassName = goog.module.get('my.long.module.name.followedBy.MyLongClassName');

After:
  var MyLongClassName =
      goog.module.get('my.long.module.name.followedBy.MyLongClassName');

llvm-svn: 222888

Author: djasper-gh

clang/lib/Format/TokenAnnotator.cpp

@@ -661,7 +661,8 @@ class AnnotatingParser {
            Tok.TokenText == "goog" && Tok.Next && Tok.Next->is(tok::period) &&
            Tok.Next->Next && (Tok.Next->Next->TokenText == "module" ||
                               Tok.Next->Next->TokenText == "require" ||
-                              Tok.Next->Next->TokenText == "provide");
+                              Tok.Next->Next->TokenText == "provide") &&
+           Tok.Next->Next->Next && Tok.Next->Next->Next->is(tok::l_paren);
   }
 
   void resetTokenMetadata(FormatToken *Token) {

clang/unittests/Format/FormatTestJS.cpp

@@ -167,6 +167,11 @@ TEST_F(FormatTestJS, GoogModules) {
                getGoogleJSStyleWithColumns(40));
   verifyFormat("var long = goog.require('this.is.really.absurdly.long');",
                getGoogleJSStyleWithColumns(40));
+
+  // These should be wrapped normally.
+  verifyFormat(
+      "var MyLongClassName =\n"
+      "    goog.module.get('my.long.module.name.followedBy.MyLongClassName');");
 }
 
 TEST_F(FormatTestJS, FormatsFreestandingFunctions) {