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-rw-r--r--clang/lib/Format/FormatToken.h2
-rw-r--r--clang/lib/Format/FormatTokenLexer.cpp12
2 files changed, 14 insertions, 0 deletions
diff --git a/clang/lib/Format/FormatToken.h b/clang/lib/Format/FormatToken.h
index b11f36559a8..39498280fb6 100644
--- a/clang/lib/Format/FormatToken.h
+++ b/clang/lib/Format/FormatToken.h
@@ -60,6 +60,8 @@ namespace format {
TYPE(JsExponentiationEqual) \
TYPE(JsFatArrow) \
TYPE(JsNonNullAssertion) \
+ TYPE(JsNullishCoalescingOperator) \
+ TYPE(JsNullPropagatingOperator) \
TYPE(JsPrivateIdentifier) \
TYPE(JsTypeColon) \
TYPE(JsTypeOperator) \
diff --git a/clang/lib/Format/FormatTokenLexer.cpp b/clang/lib/Format/FormatTokenLexer.cpp
index 5d8a77577c0..ef20ba884fb 100644
--- a/clang/lib/Format/FormatTokenLexer.cpp
+++ b/clang/lib/Format/FormatTokenLexer.cpp
@@ -100,6 +100,10 @@ void FormatTokenLexer::tryMergePreviousTokens() {
static const tok::TokenKind JSExponentiation[] = {tok::star, tok::star};
static const tok::TokenKind JSExponentiationEqual[] = {tok::star,
tok::starequal};
+ static const tok::TokenKind JSNullPropagatingOperator[] = {tok::question,
+ tok::period};
+ static const tok::TokenKind JSNullishOperator[] = {tok::question,
+ tok::question};
// FIXME: Investigate what token type gives the correct operator priority.
if (tryMergeTokens(JSIdentity, TT_BinaryOperator))
@@ -116,6 +120,14 @@ void FormatTokenLexer::tryMergePreviousTokens() {
Tokens.back()->Tok.setKind(tok::starequal);
return;
}
+ if (tryMergeTokens(JSNullishOperator, TT_JsNullishCoalescingOperator))
+ return;
+ if (tryMergeTokens(JSNullPropagatingOperator,
+ TT_JsNullPropagatingOperator)) {
+ // Treat like a regular "." access.
+ Tokens.back()->Tok.setKind(tok::period);
+ return;
+ }
if (tryMergeJSPrivateIdentifier())
return;
}
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