clang-format: [JS] keep triple slash directives intact.

Summary:
TypeScript uses triple slash directives of the form:
    /// <reference path="..."/>

For various non-source instructions that should not be wrapped.

Reference:
https://www.typescriptlang.org/docs/handbook/triple-slash-directives.html

Reviewers: djasper

Subscribers: cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D32997

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@302523 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Format/Format.cpp b/lib/Format/Format.cpp
index e961e5536efb5cb93823cf818205d818336df918..c8677e805179ca3975ae25167de8beeaa389c0c5 100644 (file)
--- a/lib/Format/Format.cpp
+++ b/lib/Format/Format.cpp
@@ -637,9 +637,10 @@ FormatStyle getGoogleStyle(FormatStyle::LanguageKind Language) {
     GoogleStyle.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Empty;
     GoogleStyle.AlwaysBreakBeforeMultilineStrings = false;
     GoogleStyle.BreakBeforeTernaryOperators = false;
-    // taze:, @tag followed by { for a lot of JSDoc tags, and @see, which is
-    // commonly followed by overlong URLs.
-    GoogleStyle.CommentPragmas = "(taze:|(@[A-Za-z_0-9-]+[ \\t]*{)|@see)";
+    // taze:, triple slash directives (`/// <...`), @tag followed by { for a lot
+    // of JSDoc tags, and @see, which is commonly followed by overlong URLs.
+    GoogleStyle.CommentPragmas =
+        "(taze:|^/[ \t]*<|(@[A-Za-z_0-9-]+[ \\t]*{)|@see)";
     GoogleStyle.MaxEmptyLinesToKeep = 3;
     GoogleStyle.NamespaceIndentation = FormatStyle::NI_All;
     GoogleStyle.SpacesInContainerLiterals = false;

diff --git a/unittests/Format/FormatTestJS.cpp b/unittests/Format/FormatTestJS.cpp
index 9144fe17e9ecc4ef5cd272c4b3049e605108a839..288975374de14776843779f0907330f1dd0f9893 100644 (file)
--- a/unittests/Format/FormatTestJS.cpp
+++ b/unittests/Format/FormatTestJS.cpp
@@ -1785,6 +1785,7 @@ TEST_F(FormatTestJS, ImportComments) {
   verifyFormat("import {x} from 'x';  // from some location",
                getGoogleJSStyleWithColumns(25));
   verifyFormat("// taze: x from 'location'", getGoogleJSStyleWithColumns(10));
+  verifyFormat("/// <reference path=\"some/location\" />", getGoogleJSStyleWithColumns(10));
 }
 
 TEST_F(FormatTestJS, Exponentiation) {