From: Martin Probst <martin@probst.io>
Date: Mon, 3 Jul 2017 14:29:13 +0000 (+0000)
Subject: clang-format: [JS] space between pseudo keywords and template literals.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=71d3b5cd91;p=clang

clang-format: [JS] space between pseudo keywords and template literals.

Summary:
Before:
    yield`foo`;

After:
    yield `foo`;

Reviewers: djasper

Subscribers: klimek

Differential Revision: https://reviews.llvm.org/D34938

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307023 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Format/TokenAnnotator.cpp b/lib/Format/TokenAnnotator.cpp
index d78a37532f..471f7e1358 100644
--- a/lib/Format/TokenAnnotator.cpp
+++ b/lib/Format/TokenAnnotator.cpp
@@ -2300,7 +2300,11 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line,
     if ((Left.is(TT_TemplateString) && Left.TokenText.endswith("${")) ||
         (Right.is(TT_TemplateString) && Right.TokenText.startswith("}")))
       return false;
-    if (Left.is(tok::identifier) && Right.is(TT_TemplateString))
+    // In tagged template literals ("html`bar baz`"), there is no space between
+    // the tag identifier and the template string. getIdentifierInfo makes sure
+    // that the identifier is not a pseudo keyword like `yield`, either.
+    if (Left.is(tok::identifier) && Left.Tok.getIdentifierInfo() == nullptr &&
+        Right.is(TT_TemplateString))
       return false;
     if (Right.is(tok::star) &&
         Left.isOneOf(Keywords.kw_function, Keywords.kw_yield))
diff --git a/unittests/Format/FormatTestJS.cpp b/unittests/Format/FormatTestJS.cpp
index e84f470687..db23902ef3 100644
--- a/unittests/Format/FormatTestJS.cpp
+++ b/unittests/Format/FormatTestJS.cpp
@@ -1564,6 +1564,7 @@ TEST_F(FormatTestJS, TemplateStrings) {
                "                               aaaaa(  //\n"
                "                                   aaaaa)\n"
                "                             })`);");
+  verifyFormat("yield `hello`;");
 }
 
 TEST_F(FormatTestJS, TemplateStringMultiLineExpression) {