clang-format: [Java] Support more Java keywords.

Before:
  public final<X> Foo foo() {
  }

  public abstract<X> Foo foo();

After:
  public final <X> Foo foo() {
  }

  public abstract <X> Foo foo();

Patch by Harry Terkelsen. Thank you.

llvm-svn: 222527

3 files changed, 9 insertions, 2 deletions

diff --git a/clang/lib/Format/FormatToken.h b/clang/lib/Format/FormatToken.h
index 7ced6eac409..053a3b050e4 100644
--- a/clang/lib/Format/FormatToken.h
+++ b/clang/lib/Format/FormatToken.h
@@ -546,7 +546,9 @@ struct AdditionalKeywords {
     kw_function = &IdentTable.get("function");
     kw_var = &IdentTable.get("var");
 
+    kw_abstract = &IdentTable.get("abstract");
     kw_extends = &IdentTable.get("extends");
+    kw_final = &IdentTable.get("final");
     kw_implements = &IdentTable.get("implements");
     kw_interface = &IdentTable.get("interface");
     kw_synchronized = &IdentTable.get("synchronized");
@@ -569,7 +571,9 @@ struct AdditionalKeywords {
   IdentifierInfo *kw_var;
 
   // Java keywords.
+  IdentifierInfo *kw_abstract;
   IdentifierInfo *kw_extends;
+  IdentifierInfo *kw_final;
   IdentifierInfo *kw_implements;
   IdentifierInfo *kw_interface;
   IdentifierInfo *kw_synchronized;
diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 6d9006be30b..b376ec95c1b 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -1710,8 +1710,9 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line,
       return true;
     if (Left.is(Keywords.kw_synchronized) && Right.is(tok::l_paren))
       return Style.SpaceBeforeParens != FormatStyle::SBPO_Never;
-    if (Left.isOneOf(tok::kw_static, tok::kw_public, tok::kw_private,
-                     tok::kw_protected) &&
+    if ((Left.isOneOf(tok::kw_static, tok::kw_public, tok::kw_private,
+                      tok::kw_protected) ||
+         Left.isOneOf(Keywords.kw_final, Keywords.kw_abstract)) &&
         Right.Type == TT_TemplateOpener)
       return true;
   }
diff --git a/clang/unittests/Format/FormatTestJava.cpp b/clang/unittests/Format/FormatTestJava.cpp
index f6ab7d32cde..53df9af1234 100644
--- a/clang/unittests/Format/FormatTestJava.cpp
+++ b/clang/unittests/Format/FormatTestJava.cpp
@@ -229,6 +229,8 @@ TEST_F(FormatTestJava, Generics) {
   verifyFormat("protected <R> ArrayList<R> get() {\n}");
   verifyFormat("private <R> ArrayList<R> get() {\n}");
   verifyFormat("public static <R> ArrayList<R> get() {\n}");
+  verifyFormat("public final <X> Foo foo() {\n}");
+  verifyFormat("public abstract <X> Foo foo();");
   verifyFormat("<T extends B> T getInstance(Class<T> type);");
   verifyFormat("Function<F, ? extends T> function;");