[PATCH] D66662: [clang-format] [PR43100] clang-format C# support does not add a space between "using" and paren

[MyDeveloperDay via Phabricator via cfe-commits]

MyDeveloperDay created this revision.
MyDeveloperDay added reviewers: djasper, klimek, owenpan.
MyDeveloperDay added a project: clang.

Addresses https://bugs.llvm.org/show_bug.cgi?id=43100

Formatting using statement in C# with clang-format removes the space between using and paren even when SpaceBeforeParens is !

  using(FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize : 1))

this change simply overcomes this for when using C# settings in the .clang-format file

  using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize : 1))

All FormatTests pass..

  [==========] 688 tests from 21 test cases ran. (88508 ms total)
  [  PASSED  ] 688 tests.


Repository:
  rC Clang

https://reviews.llvm.org/D66662

Files:
  clang/lib/Format/TokenAnnotator.cpp
  clang/unittests/Format/FormatTestCSharp.cpp


Index: clang/unittests/Format/FormatTestCSharp.cpp
===================================================================
--- clang/unittests/Format/FormatTestCSharp.cpp
+++ clang/unittests/Format/FormatTestCSharp.cpp
@@ -165,6 +165,10 @@
                "public string Host {\n  set;\n  get;\n}");
 }
 
+TEST_F(FormatTestCSharp, CSharpUsing) {
+  verifyFormat("using (StreamWriter sw = new StreamWriter(filename) { }");
+}
+
 TEST_F(FormatTestCSharp, CSharpRegions) {
   verifyFormat("#region aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaa "
                "aaaaaaaaaaaaaaa long region");
Index: clang/lib/Format/TokenAnnotator.cpp
===================================================================
--- clang/lib/Format/TokenAnnotator.cpp
+++ clang/lib/Format/TokenAnnotator.cpp
@@ -2614,6 +2614,9 @@
     if ((Left.is(tok::r_paren) && Left.is(TT_AttributeParen)) ||
         (Left.is(tok::r_square) && Left.is(TT_AttributeSquare)))
       return true;
+    // using (FileStream fs...
+    if (Style.isCSharp() && Left.is(tok::kw_using) && Right.is(tok::l_paren))
+      return true;
     return Line.Type == LT_ObjCDecl || Left.is(tok::semi) ||
            (Style.SpaceBeforeParens != FormatStyle::SBPO_Never &&
             (Left.isOneOf(tok::pp_elif, tok::kw_for, tok::kw_while,


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