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include-cleaner: Report function decls from __cleanup__ as used #138669

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include-cleaner: Report function decls from __cleanup__ as used #138669

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5 changes: 5 additions & 0 deletions clang-tools-extra/include-cleaner/lib/WalkAST.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -321,6 +321,11 @@ class ASTWalker : public RecursiveASTVisitor<ASTWalker> {
return true;
}

bool VisitCleanupAttr(CleanupAttr *attr) {
report(attr->getLocation(), attr->getFunctionDecl());
return true;
}

// TypeLoc visitors.
void reportType(SourceLocation RefLoc, NamedDecl *ND) {
// Reporting explicit references to types nested inside classes can cause
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6 changes: 6 additions & 0 deletions clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp
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Expand Up @@ -570,5 +570,11 @@ TEST(WalkAST, OperatorNewDelete) {
testWalk("struct A { static void $ambiguous^operator delete(void*); };",
"void foo() { A a; ^delete &a; }");
}

TEST(WalkAST, CleanupAttr) {
testWalk("void* $explicit^freep(void *p);",
"void foo() { __attribute__((^__cleanup__(freep))) char* x = 0; }");
}

} // namespace
} // namespace clang::include_cleaner
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