[PATCH] D113429: [clang-tidy] Use `hasCanonicalType()` matcher in `bugprone-unused-raii` check
Fabian Wolff via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Dec 1 16:54:17 PST 2021
This revision was automatically updated to reflect the committed changes.
Closed by commit rG987a21522f2c: [clang-tidy] Use `hasCanonicalType()` matcher in `bugprone-unused-raii` check (authored by fwolff).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D113429/new/
https://reviews.llvm.org/D113429
Files:
clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
clang-tools-extra/test/clang-tidy/checkers/bugprone-unused-raii.cpp
Index: clang-tools-extra/test/clang-tidy/checkers/bugprone-unused-raii.cpp
===================================================================
--- clang-tools-extra/test/clang-tidy/checkers/bugprone-unused-raii.cpp
+++ clang-tools-extra/test/clang-tidy/checkers/bugprone-unused-raii.cpp
@@ -82,6 +82,28 @@
(void)i;
}
+template <typename T>
+void aliastest() {
+ using X = Foo;
+ using Y = X;
+ using Z = Y;
+ Z(42);
+ // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
+ // CHECK-FIXES: Z give_me_a_name(42);
+
+ typedef Z ZT;
+ ZT(42, 13);
+ // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
+ // CHECK-FIXES: ZT give_me_a_name(42, 13);
+
+ using TT = TCtorDefaultArg<T>;
+ TT(42);
+ // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
+ // CHECK-FIXES: TT give_me_a_name(42);
+
+ (void)0;
+}
+
void test() {
Foo(42);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
Index: clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
+++ clang-tools-extra/clang-tidy/bugprone/UnusedRaiiCheck.cpp
@@ -29,10 +29,11 @@
Finder->addMatcher(
mapAnyOf(cxxConstructExpr, cxxUnresolvedConstructExpr)
.with(hasParent(compoundStmt().bind("compound")),
- anyOf(hasType(cxxRecordDecl(hasNonTrivialDestructor())),
- hasType(templateSpecializationType(
+ anyOf(hasType(hasCanonicalType(recordType(hasDeclaration(
+ cxxRecordDecl(hasNonTrivialDestructor()))))),
+ hasType(hasCanonicalType(templateSpecializationType(
hasDeclaration(classTemplateDecl(has(
- cxxRecordDecl(hasNonTrivialDestructor()))))))))
+ cxxRecordDecl(hasNonTrivialDestructor())))))))))
.bind("expr"),
this);
}
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