Author: Jonathan Coe
Date: 2020-06-09T14:50:34+01:00
New Revision: f22b0727fe767cc8da5e0c59f4e957a05472ffa7

URL: 
https://github.com/llvm/llvm-project/commit/f22b0727fe767cc8da5e0c59f4e957a05472ffa7
DIFF: 
https://github.com/llvm/llvm-project/commit/f22b0727fe767cc8da5e0c59f4e957a05472ffa7.diff

LOG: [clang-format] Microsoft style fixes for C# properties

Summary:
There should be no line break before the opening brace for Microsoft style 
property accessors when the accessor is a simple `{ get; set }`.

https://docs.microsoft.com/en-us/dotnet/csharp/properties

Reviewers: krasimir, MyDeveloperDay

Reviewed By: krasimir

Subscribers: cfe-commits

Tags: #clang-format, #clang

Differential Revision: https://reviews.llvm.org/D81467

Added: 
    

Modified: 
    clang/lib/Format/UnwrappedLineParser.cpp
    clang/unittests/Format/FormatTestCSharp.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Format/UnwrappedLineParser.cpp 
b/clang/lib/Format/UnwrappedLineParser.cpp
index 0d488d1dda52..cf9673d51617 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -1542,7 +1542,7 @@ bool UnwrappedLineParser::tryToParsePropertyAccessor() {
   // Try to parse the property accessor:
   // 
https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/properties
   Tokens->setPosition(StoredPosition);
-  if (Style.BraceWrapping.AfterFunction == true)
+  if (!IsTrivialPropertyAccessor && Style.BraceWrapping.AfterFunction == true)
     addUnwrappedLine();
   nextToken();
   do {

diff  --git a/clang/unittests/Format/FormatTestCSharp.cpp 
b/clang/unittests/Format/FormatTestCSharp.cpp
index bcf2c7a52141..a2c551e5c25e 100644
--- a/clang/unittests/Format/FormatTestCSharp.cpp
+++ b/clang/unittests/Format/FormatTestCSharp.cpp
@@ -245,13 +245,11 @@ TEST_F(FormatTestCSharp, Attributes) {
                "}");
 
   verifyFormat("[TestMethod]\n"
-               "public string Host\n"
-               "{ set; get; }");
+               "public string Host { set; get; }");
 
   verifyFormat("[TestMethod(\"start\", HelpText = \"Starts the server "
                "listening on provided host\")]\n"
-               "public string Host\n"
-               "{ set; get; }");
+               "public string Host { set; get; }");
 
   verifyFormat(
       "[DllImport(\"Hello\", EntryPoint = \"hello_world\")]\n"
@@ -710,13 +708,6 @@ class MyClass {
   Style.BreakBeforeBraces = FormatStyle::BS_Custom;
   Style.BraceWrapping.AfterFunction = true;
 
-  verifyFormat(R"(//
-public class SaleItem {
-  public decimal Price
-  { get; set; }
-})",
-               Style);
-
   verifyFormat(R"(//
 class TimePeriod {
   public double Hours
@@ -730,6 +721,17 @@ class TimePeriod {
   }
 })",
                Style);
+ 
+  // Microsoft style trivial property accessors have no line break before the
+  // opening brace.
+  auto MicrosoftStyle = getMicrosoftStyle(FormatStyle::LK_CSharp);
+  verifyFormat(R"(//
+public class SaleItem
+{
+    public decimal Price { get; set; }
+})",
+               MicrosoftStyle);
+
 }
 
 TEST_F(FormatTestCSharp, CSharpSpaces) {


        
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