clang-format: [Java] Don't force break before generic type method.

Before:
  Foo.bar()
      .<X>
      baz();

After:
  Foo.bar()
      .<X>baz();

Patch by Harry Terkelsen.

llvm-svn: 222423

clang/lib/Format/TokenAnnotator.cpp

@@ -878,6 +878,7 @@ private:
     if (PreviousNotConst->Type == TT_TemplateCloser)
       return PreviousNotConst && PreviousNotConst->MatchingParen &&
              PreviousNotConst->MatchingParen->Previous &&
+             PreviousNotConst->MatchingParen->Previous->isNot(tok::period) &&
              PreviousNotConst->MatchingParen->Previous->isNot(tok::kw_template);
 
     if (PreviousNotConst->is(tok::r_paren) && PreviousNotConst->MatchingParen &&

clang/unittests/Format/FormatTestJava.cpp

@@ -234,6 +234,13 @@ TEST_F(FormatTestJava, Generics) {
 
   verifyFormat("private Foo<X, Y>[] foos;");
   verifyFormat("Foo<X, Y>[] foos = this.foos;");
+
+  verifyFormat(
+      "SomeLoooooooooooooooooooooongType name =\n"
+      "    SomeType.foo(someArgument)\n"
+      "        .<X>method()\n"
+      "        .aaaaaaaaaaaaaaaaaaa()\n"
+      "        .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
 }
 
 TEST_F(FormatTestJava, StringConcatenation) {