[clang-format] Fix a bug that misannotates binary operators */&/&&

[owenca]

Fixes #110879.

[llvmbot]

@llvm/pr-subscribers-clang-format

Author: Owen Pan (owenca)

Changes

Fixes #110879.

---

Full diff: https://github.com/llvm/llvm-project/pull/110945.diff

2 Files Affected:

• (modified) clang/lib/Format/TokenAnnotator.cpp (+1-1)
• (modified) clang/unittests/Format/TokenAnnotatorTest.cpp (+8)

diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 5398e2dadd485a..e2068e557732af 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -366,7 +366,7 @@ class AnnotatingParser {
     } else if (OpeningParen.Previous &&
                (OpeningParen.Previous->isOneOf(
                     tok::kw_static_assert, tok::kw_noexcept, tok::kw_explicit,
-                    tok::kw_while, tok::l_paren, tok::comma,
+                    tok::kw_while, tok::l_paren, tok::comma, TT_CastRParen,
                     TT_BinaryOperator) ||
                 OpeningParen.Previous->isIf())) {
       // static_assert, if and while usually contain expressions.
diff --git a/clang/unittests/Format/TokenAnnotatorTest.cpp b/clang/unittests/Format/TokenAnnotatorTest.cpp
index de1346b5ddd5a7..a89adfa3f4fdd9 100644
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -367,6 +367,14 @@ TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) {
                     "}");
   ASSERT_EQ(Tokens.size(), 20u) << Tokens;
   EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference);
+
+  Tokens = annotate("Thingy kConfig = {\n"
+                    "    1,\n"
+                    "    (uint16_t)(kScale * height_pixels),\n"
+                    "};");
+  ASSERT_EQ(Tokens.size(), 18u) << Tokens;
+  EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_CastRParen);
+  EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator);
 }
 
 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) {