[PATCH] Fixes bug 20587 - Add K&R break before braces style

[Daniel Jasper]

LOL.. Very interesting that no additional logic is necessary.

Looks good with a few minor comments.

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Comment at: docs/ClangFormatStyleOptions.rst:176
@@ -175,1 +175,3 @@
+  * ``BS_KernighanRitchie`` (in configuration: ``KernighanRitchie``)
+    Like ``Attach``, but break before braces on function definitions.
 
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Please generate this with docs/tools/dump_format_style.py. Otherwise, the next re-generation of this file will contain unrelated changes.

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Comment at: include/clang/Format/Format.h:287
@@ +286,3 @@
+    BS_GNU,
+    /// Like \c Attach, but break before braces on named function
+    /// definitions.
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"named"?

Also, maybe "..., but only break ..."?

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Comment at: unittests/Format/FormatTest.cpp:8069
@@ +8068,3 @@
+TEST_F(FormatTest, KernighanRitchieBraceBreaking) {
+  FormatStyle BreakBeforeBrace = getLLVMStyle();
+  BreakBeforeBrace.BreakBeforeBraces = FormatStyle::BS_KernighanRitchie;
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Call this KRStyle?

http://reviews.llvm.org/D4837