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authorOwen Pan <owenpiano@gmail.com>2024-09-20 18:12:09 -0700
committerGitHub <noreply@github.com>2024-09-20 18:12:09 -0700
commit4fd14b9a3afb2ab34dfaa3bc4ed86e82122507be (patch)
treeac058d11b921c77a26837be207f96c1ec0680cf7
parent2e89e6b59a32450f43416bfdfb65748ea4606875 (diff)
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[clang-format] Correctly annotate pointer/reference in range-for loop (#109361)
Fixes #109358.
-rw-r--r--clang/lib/Format/TokenAnnotator.cpp6
-rw-r--r--clang/unittests/Format/TokenAnnotatorTest.cpp6
2 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 6f09835b..3f7ac6c 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -1407,6 +1407,12 @@ private:
}
} else if (Contexts.back().ColonIsForRangeExpr) {
Tok->setType(TT_RangeBasedForLoopColon);
+ for (auto *Prev = Tok->Previous;
+ Prev && !Prev->isOneOf(tok::semi, tok::l_paren);
+ Prev = Prev->Previous) {
+ if (Prev->isPointerOrReference())
+ Prev->setFinalizedType(TT_PointerOrReference);
+ }
} else if (Contexts.back().ContextType == Context::C11GenericSelection) {
Tok->setType(TT_GenericSelectionColon);
} else if (CurrentToken && CurrentToken->is(tok::numeric_constant)) {
diff --git a/clang/unittests/Format/TokenAnnotatorTest.cpp b/clang/unittests/Format/TokenAnnotatorTest.cpp
index 34c03d6..dfb6c06 100644
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -333,6 +333,12 @@ TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) {
ASSERT_EQ(Tokens.size(), 17u) << Tokens;
EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator);
+ Tokens = annotate("for (int i; Foo *&foo : foos)");
+ ASSERT_EQ(Tokens.size(), 13u) << Tokens;
+ EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference);
+ EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference);
+ EXPECT_TOKEN(Tokens[9], tok::colon, TT_RangeBasedForLoopColon);
+
Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };");
ASSERT_EQ(Tokens.size(), 19u) << Tokens;
EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator);