Add objective-C style formatting to clang format and
use it to format xml declaration tags. 
// rdar://12378714

llvm-svn: 170727
diff --git a/clang/test/Index/comment-c-decls.c b/clang/test/Index/comment-c-decls.c
index e91f9b9..862b2a2 100644
--- a/clang/test/Index/comment-c-decls.c
+++ b/clang/test/Index/comment-c-decls.c
@@ -101,4 +101,4 @@
  *\brief block declaration
 */
 int (^Block1) (int i, int j) = ^(int i, int j) { return i + j; };
-// CHECK: <Declaration>int (^Block1)(int, int) = ^(int i, int j){ }</Declaration>
+// CHECK: <Declaration>int (^ Block1) (int, int) = ^ (int i, int j) {\n}</Declaration>
diff --git a/clang/test/Index/comment-objc-decls.m b/clang/test/Index/comment-objc-decls.m
index d037e05..6682ea3 100644
--- a/clang/test/Index/comment-objc-decls.m
+++ b/clang/test/Index/comment-objc-decls.m
@@ -31,9 +31,9 @@
 + ClassMethodMyProto;
 @end
 // CHECK: <Declaration>@protocol MyProto\n@end</Declaration>
-// CHECK: <Declaration>- (unsigned int) MethodMyProto:(id)anObject inRange:(unsigned int)range;</Declaration>
-// CHECK: <Declaration>@optional\n@property ( readwrite,copy,atomic ) id PropertyMyProto;</Declaration>
-// CHECK: <Declaration>+ (id) ClassMethodMyProto;</Declaration>
+// CHECK: <Declaration>- (unsigned int)MethodMyProto:(id)anObject inRange:(unsigned int)range;</Declaration>
+// CHECK: <Declaration>@optional\n    @property(readwrite, copy, atomic) id PropertyMyProto;</Declaration>
+// CHECK: <Declaration>+ (id)ClassMethodMyProto;</Declaration>
 
 /**
  * \brief NSObject is the root class.
@@ -45,7 +45,7 @@
   id IvarNSObject;
 }
 @end
-// CHECK: Declaration>@interface NSObject{\n    id IvarNSObject;\n}\n@end</Declaration>
+// CHECK: Declaration>@interface NSObject {\n  id IvarNSObject;\n}\n@end</Declaration>
 // CHECK: <Declaration>id IvarNSObject</Declaration>
 
 /**
@@ -75,9 +75,9 @@
 @end
 // CHECK: <Declaration>@interface MyClass : NSObject&lt;MyProto&gt; {\n    id IvarMyClass;\n}\n@end</Declaration>
 // CHECK: <Declaration>id IvarMyClass</Declaration>
-// CHECK: <Declaration>- (id) MethodMyClass;</Declaration>
-// CHECK: <Declaration>+ (id) ClassMethodMyClass;</Declaration>
-// CHECK: <Declaration>@property ( readwrite,copy,atomic ) id PropertyMyClass;</Declaration
+// CHECK: <Declaration>- (id)MethodMyClass;</Declaration>
+// CHECK: <Declaration>+ (id)ClassMethodMyClass;</Declaration>
+// CHECK: <Declaration>@property(readwrite, copy, atomic) id PropertyMyClass;</Declaration
 
 /**
  * \brief - This is class extension of MyClass
@@ -90,7 +90,7 @@
   id IvarMyClassExtension;
 }
 @end
-// CHECK: <Declaration>@interface MyClass()\n{\n    id IvarMyClassExtension;\n}\n@end</Declaration>
+// CHECK: <Declaration>@interface MyClass() {\n  id IvarMyClassExtension;\n}\n@end</Declaration>
 // CHECK: <Declaration>id IvarMyClassExtension</Declaration>
 
 
@@ -109,10 +109,10 @@
 @property (copy) id PropertyMyClassCategory;
 @end
 // CHECK: <Declaration>@interface MyClass(Category)\n@end</Declaration>
-// CHECK: <Declaration>- (void) MethodMyClassCategory;</Declaration>
-// CHECK: <Declaration>@property ( readwrite,copy,atomic ) id PropertyMyClassCategory;</Declaration>
-// CHECK: <Declaration>- (id) PropertyMyClassCategory;</Declaration>
-// CHECK: <Declaration>- (void) setPropertyMyClassCategory:(id)arg;</Declaration>
+// CHECK: <Declaration>- (void)MethodMyClassCategory;</Declaration>
+// CHECK: <Declaration>@property(readwrite, copy, atomic) id PropertyMyClassCategory;</Declaration>
+// CHECK: <Declaration>- (id)PropertyMyClassCategory;</Declaration>
+// CHECK: <Declaration>- (void)setPropertyMyClassCategory:(id)arg;</Declaration>
 
 /// @implementation's
 
@@ -139,10 +139,10 @@
   return 0;
 }
 @end
-// CHECK: <Declaration>@implementation MyClass{\n    id IvarPrivateToMyClassImpl;\n    id _PropertyMyClass;\n}\n@end</Declaration>
+// CHECK: <Declaration>@implementation MyClass {\n  id IvarPrivateToMyClassImpl;\n  id _PropertyMyClass;\n}\n@end</Declaration>
 // CHECK: <Declaration>id IvarPrivateToMyClassImpl</Declaration>
-// CHECK: <Declaration>- (id) MethodMyClass;</Declaration>
-// CHECK: <Declaration>+ (id) ClassMethodMyClass;</Declaration>
+// CHECK: <Declaration>- (id)MethodMyClass;</Declaration>
+// CHECK: <Declaration>+ (id)ClassMethodMyClass;</Declaration>
 
 /**
  * \brief MyClass (Category) is implementation of private to MyClass.
@@ -163,9 +163,9 @@
 - (void) setPropertyMyClassCategory : (id) arg {}
 @end
 // CHECK: <Declaration>@implementation MyClass(Category)\n@end</Declaration>
-// CHECK: <Declaration>- (void) MethodMyClassCategory;</Declaration>
-// CHECK: <Declaration>- (id) PropertyMyClassCategory;</Declaration>
-// CHECK: <Declaration>- (void) setPropertyMyClassCategory:(id)arg;</Declaration>
+// CHECK: <Declaration>- (void)MethodMyClassCategory;</Declaration>
+// CHECK: <Declaration>- (id)PropertyMyClassCategory;</Declaration>
+// CHECK: <Declaration>- (void)setPropertyMyClassCategory:(id)arg;</Declaration>
 
 /**
  * \brief NSObject implementation
diff --git a/clang/test/Index/comment-to-html-xml-conversion.cpp b/clang/test/Index/comment-to-html-xml-conversion.cpp
index 2809415..d753f35 100644
--- a/clang/test/Index/comment-to-html-xml-conversion.cpp
+++ b/clang/test/Index/comment-to-html-xml-conversion.cpp
@@ -670,7 +670,7 @@
 template<typename T, typename U>
 class comment_to_xml_conversion_11 { };
 
-// CHECK: comment-to-html-xml-conversion.cpp:[[@LINE-2]]:7: ClassTemplate=comment_to_xml_conversion_11:{{.*}} FullCommentAsXML=[<Class templateKind="template" file="{{[^"]+}}comment-to-html-xml-conversion.cpp" line="[[@LINE-2]]" column="7"><Name>comment_to_xml_conversion_11</Name><USR>c:@CT&gt;2#T#T@comment_to_xml_conversion_11</USR><Declaration>template &lt;typename T = int, typename U = int&gt; class comment_to_xml_conversion_11 {\n}\ntemplate &lt;typename T, typename U&gt; class comment_to_xml_conversion_11 {\n}</Declaration><Abstract><Para> Aaa.</Para></Abstract></Class>]
+// CHECK: comment-to-html-xml-conversion.cpp:[[@LINE-2]]:7: ClassTemplate=comment_to_xml_conversion_11:{{.*}} FullCommentAsXML=[<Class templateKind="template" file="{{[^"]+}}comment-to-html-xml-conversion.cpp" line="[[@LINE-2]]" column="7"><Name>comment_to_xml_conversion_11</Name><USR>c:@CT&gt;2#T#T@comment_to_xml_conversion_11</USR><Declaration>template &lt;typename T = int,\n          typename U = int&gt; class comment_to_xml_conversion_11 {\n}\ntemplate &lt;typename T, typename U&gt; class comment_to_xml_conversion_11 {\n}</Declaration><Abstract><Para> Aaa.</Para></Abstract></Class>]
 
 /// Aaa.
 template<typename T>
diff --git a/clang/test/Index/format-comment-cdecls.c b/clang/test/Index/format-comment-cdecls.c
index 989ce5c..f282d2b 100644
--- a/clang/test/Index/format-comment-cdecls.c
+++ b/clang/test/Index/format-comment-cdecls.c
@@ -1,6 +1,5 @@
 // RUN: rm -rf %t
 // RUN: mkdir %t
-// RUN: env LIBCLANG_ACTIVATE_FORMAT=1 \
 // RUN: c-index-test -test-load-source all -comments-xml-schema=%S/../../bindings/xml/comment-xml-schema.rng -target x86_64-apple-darwin10 %s \ 
 // RUN: | FileCheck %s 
 
diff --git a/clang/test/Index/overriding-method-comments.mm b/clang/test/Index/overriding-method-comments.mm
index 899b31d..46ead4f 100644
--- a/clang/test/Index/overriding-method-comments.mm
+++ b/clang/test/Index/overriding-method-comments.mm
@@ -19,7 +19,7 @@
 - (void)METH:(id)AAA;
 @end
 
-// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>METH:</Name><USR>c:objc(cs)Root(im)METH:</USR><Declaration>- (void) METH:(id)AAA;</Declaration><Parameters><Parameter><Name>AAA</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> ZZZ </Para></Discussion></Parameter></Parameters></Function>]
+// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>METH:</Name><USR>c:objc(cs)Root(im)METH:</USR><Declaration>- (void)METH:(id)AAA;</Declaration><Parameters><Parameter><Name>AAA</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> ZZZ </Para></Discussion></Parameter></Parameters></Function>]
 
 @interface Sub : Root
 @end
@@ -28,13 +28,13 @@
 - (void)METH:(id)BBB;
 @end
 
-// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>METH:</Name><USR>c:objc(cs)Root(im)METH:</USR><Declaration>- (void) METH:(id)BBB;</Declaration><Parameters><Parameter><Name>BBB</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> ZZZ </Para></Discussion></Parameter></Parameters></Function>]
+// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>METH:</Name><USR>c:objc(cs)Root(im)METH:</USR><Declaration>- (void)METH:(id)BBB;</Declaration><Parameters><Parameter><Name>BBB</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> ZZZ </Para></Discussion></Parameter></Parameters></Function>]
 
 @implementation Sub(CAT)
 - (void)METH:(id)III {}
 @end
 
-// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>METH:</Name><USR>c:objc(cs)Root(im)METH:</USR><Declaration>- (void) METH:(id)III;</Declaration><Parameters><Parameter><Name>III</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> ZZZ </Para></Discussion></Parameter></Parameters></Function>]
+// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>METH:</Name><USR>c:objc(cs)Root(im)METH:</USR><Declaration>- (void)METH:(id)III;</Declaration><Parameters><Parameter><Name>III</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> ZZZ </Para></Discussion></Parameter></Parameters></Function>]
 
 @interface Redec : Root
 @end
@@ -48,13 +48,13 @@
 - (void)EXT_METH:(id)AAA : (double)BBB : (int)CCC;
 @end
 
-// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>EXT_METH:::</Name><USR>c:objc(cs)Redec(im)EXT_METH:::</USR><Declaration>- (void) EXT_METH:(id)AAA :(double)BBB :(int)CCC;</Declaration><Parameters><Parameter><Name>AAA</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> input value </Para></Discussion></Parameter><Parameter><Name>BBB</Name><Index>1</Index><Direction isExplicit="1">in</Direction><Discussion><Para> 2nd input value is double </Para></Discussion></Parameter><Parameter><Name>CCC</Name><Index>2</Index><Direction isExplicit="1">out</Direction><Discussion><Para> output value is int </Para></Discussion></Parameter></Parameters></Function>]
+// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>EXT_METH:::</Name><USR>c:objc(cs)Redec(im)EXT_METH:::</USR><Declaration>- (void)EXT_METH:(id)AAA:(double)BBB:(int)CCC;</Declaration><Parameters><Parameter><Name>AAA</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> input value </Para></Discussion></Parameter><Parameter><Name>BBB</Name><Index>1</Index><Direction isExplicit="1">in</Direction><Discussion><Para> 2nd input value is double </Para></Discussion></Parameter><Parameter><Name>CCC</Name><Index>2</Index><Direction isExplicit="1">out</Direction><Discussion><Para> output value is int </Para></Discussion></Parameter></Parameters></Function>]
 
 @implementation Redec
 - (void)EXT_METH:(id)PPP : (double)QQQ : (int)RRR {}
 @end
 
-// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>EXT_METH:::</Name><USR>c:objc(cs)Redec(im)EXT_METH:::</USR><Declaration>- (void) EXT_METH:(id)PPP :(double)QQQ :(int)RRR;</Declaration><Parameters><Parameter><Name>PPP</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> input value </Para></Discussion></Parameter><Parameter><Name>QQQ</Name><Index>1</Index><Direction isExplicit="1">in</Direction><Discussion><Para> 2nd input value is double </Para></Discussion></Parameter><Parameter><Name>RRR</Name><Index>2</Index><Direction isExplicit="1">out</Direction><Discussion><Para> output value is int </Para></Discussion></Parameter></Parameters></Function>]
+// CHECK: FullCommentAsXML=[<Function isInstanceMethod="1" file="{{[^"]+}}overriding-method-comments.mm" line="[[@LINE-3]]" column="1"><Name>EXT_METH:::</Name><USR>c:objc(cs)Redec(im)EXT_METH:::</USR><Declaration>- (void)EXT_METH:(id)PPP:(double)QQQ:(int)RRR;</Declaration><Parameters><Parameter><Name>PPP</Name><Index>0</Index><Direction isExplicit="1">in</Direction><Discussion><Para> input value </Para></Discussion></Parameter><Parameter><Name>QQQ</Name><Index>1</Index><Direction isExplicit="1">in</Direction><Discussion><Para> 2nd input value is double </Para></Discussion></Parameter><Parameter><Name>RRR</Name><Index>2</Index><Direction isExplicit="1">out</Direction><Discussion><Para> output value is int </Para></Discussion></Parameter></Parameters></Function>]
 
 struct Base {
   /// \brief Does something.