[PATCH] D41074: [ClangFormat] ObjCSpaceBeforeProtocolList should be true in the google style

[Ben Hamilton via Phabricator via cfe-commits]

benhamilton created this revision.
Herald added a subscriber: cfe-commits.

The Google style guide is neutral on whether there should be a
space before the protocol list in an Objective-C @interface or
@implementation.

The majority of Objective-C code in both Apple's public
header files and Google's open-source uses a space before
the protocol list, so this changes the google style to
default ObjCSpaceBeforeProtocolList to true.

Test Plan: make -j12 FormatTests && ./tools/clang/unittests/Format/FormatTests


Repository:
  rC Clang

https://reviews.llvm.org/D41074

Files:
  lib/Format/Format.cpp
  unittests/Format/FormatTestObjC.cpp


Index: unittests/Format/FormatTestObjC.cpp
===================================================================
--- unittests/Format/FormatTestObjC.cpp
+++ unittests/Format/FormatTestObjC.cpp
@@ -200,7 +200,7 @@
                "@end");
 
   Style = getGoogleStyle(FormatStyle::LK_ObjC);
-  verifyFormat("@interface Foo : NSObject<NSSomeDelegate> {\n"
+  verifyFormat("@interface Foo : NSObject <NSSomeDelegate> {\n"
                " @public\n"
                "  int field1;\n"
                " @protected\n"
@@ -212,15 +212,15 @@
                "}\n"
                "+ (id)init;\n"
                "@end");
-  verifyFormat("@interface Foo : Bar<Baz, Quux>\n"
+  verifyFormat("@interface Foo : Bar <Baz, Quux>\n"
                "+ (id)init;\n"
                "@end");
-  verifyFormat("@interface Foo (HackStuff)<MyProtocol>\n"
+  verifyFormat("@interface Foo (HackStuff) <MyProtocol>\n"
                "+ (id)init;\n"
                "@end");
   Style.BinPackParameters = false;
   Style.ColumnLimit = 80;
-  verifyFormat("@interface aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ()<\n"
+  verifyFormat("@interface aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa () <\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
@@ -343,7 +343,7 @@
                "@end");
 
   Style = getGoogleStyle(FormatStyle::LK_ObjC);
-  verifyFormat("@protocol MyProtocol<NSObject>\n"
+  verifyFormat("@protocol MyProtocol <NSObject>\n"
                "- (NSUInteger)numberOfThings;\n"
                "@end");
 }
Index: lib/Format/Format.cpp
===================================================================
--- lib/Format/Format.cpp
+++ lib/Format/Format.cpp
@@ -693,7 +693,7 @@
   GoogleStyle.IndentCaseLabels = true;
   GoogleStyle.KeepEmptyLinesAtTheStartOfBlocks = false;
   GoogleStyle.ObjCSpaceAfterProperty = false;
-  GoogleStyle.ObjCSpaceBeforeProtocolList = false;
+  GoogleStyle.ObjCSpaceBeforeProtocolList = true;
   GoogleStyle.PointerAlignment = FormatStyle::PAS_Left;
   GoogleStyle.SpacesBeforeTrailingComments = 2;
   GoogleStyle.Standard = FormatStyle::LS_Auto;



Index: unittests/Format/FormatTestObjC.cpp
===================================================================
--- unittests/Format/FormatTestObjC.cpp
+++ unittests/Format/FormatTestObjC.cpp
@@ -200,7 +200,7 @@
                "@end");
 
   Style = getGoogleStyle(FormatStyle::LK_ObjC);
-  verifyFormat("@interface Foo : NSObject<NSSomeDelegate> {\n"
+  verifyFormat("@interface Foo : NSObject <NSSomeDelegate> {\n"
                " @public\n"
                "  int field1;\n"
                " @protected\n"
@@ -212,15 +212,15 @@
                "}\n"
                "+ (id)init;\n"
                "@end");
-  verifyFormat("@interface Foo : Bar<Baz, Quux>\n"
+  verifyFormat("@interface Foo : Bar <Baz, Quux>\n"
                "+ (id)init;\n"
                "@end");
-  verifyFormat("@interface Foo (HackStuff)<MyProtocol>\n"
+  verifyFormat("@interface Foo (HackStuff) <MyProtocol>\n"
                "+ (id)init;\n"
                "@end");
   Style.BinPackParameters = false;
   Style.ColumnLimit = 80;
-  verifyFormat("@interface aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ()<\n"
+  verifyFormat("@interface aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa () <\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
@@ -343,7 +343,7 @@
                "@end");
 
   Style = getGoogleStyle(FormatStyle::LK_ObjC);
-  verifyFormat("@protocol MyProtocol<NSObject>\n"
+  verifyFormat("@protocol MyProtocol <NSObject>\n"
                "- (NSUInteger)numberOfThings;\n"
                "@end");
 }
Index: lib/Format/Format.cpp
===================================================================
--- lib/Format/Format.cpp
+++ lib/Format/Format.cpp
@@ -693,7 +693,7 @@
   GoogleStyle.IndentCaseLabels = true;
   GoogleStyle.KeepEmptyLinesAtTheStartOfBlocks = false;
   GoogleStyle.ObjCSpaceAfterProperty = false;
-  GoogleStyle.ObjCSpaceBeforeProtocolList = false;
+  GoogleStyle.ObjCSpaceBeforeProtocolList = true;
   GoogleStyle.PointerAlignment = FormatStyle::PAS_Left;
   GoogleStyle.SpacesBeforeTrailingComments = 2;
   GoogleStyle.Standard = FormatStyle::LS_Auto;

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