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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /build/clang-plugin/NoAddRefReleaseOnReturnChecker.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'build/clang-plugin/NoAddRefReleaseOnReturnChecker.cpp')
-rw-r--r-- | build/clang-plugin/NoAddRefReleaseOnReturnChecker.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/build/clang-plugin/NoAddRefReleaseOnReturnChecker.cpp b/build/clang-plugin/NoAddRefReleaseOnReturnChecker.cpp new file mode 100644 index 0000000000..e1c38fa6b2 --- /dev/null +++ b/build/clang-plugin/NoAddRefReleaseOnReturnChecker.cpp @@ -0,0 +1,32 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "NoAddRefReleaseOnReturnChecker.h" +#include "CustomMatchers.h" + +void NoAddRefReleaseOnReturnChecker::registerMatchers(MatchFinder *AstMatcher) { + // Look for all of the calls to AddRef() or Release() + AstMatcher->addMatcher( + memberExpr(isAddRefOrRelease(), hasParent(callExpr())).bind("member"), + this); +} + +void NoAddRefReleaseOnReturnChecker::check( + const MatchFinder::MatchResult &Result) { + const MemberExpr *Member = Result.Nodes.getNodeAs<MemberExpr>("member"); + const Expr *Base = IgnoreTrivials(Member->getBase()); + + // Check if the call to AddRef() or Release() was made on the result of a call + // to a MOZ_NO_ADDREF_RELEASE_ON_RETURN function or method. + if (auto *Call = dyn_cast<CallExpr>(Base)) { + if (auto *Callee = Call->getDirectCallee()) { + if (hasCustomAttribute<moz_no_addref_release_on_return>(Callee)) { + diag(Call->getBeginLoc(), + "%1 must not be called on the return value of '%0' which is marked with MOZ_NO_ADDREF_RELEASE_ON_RETURN", + DiagnosticIDs::Error) + << Callee->getQualifiedNameAsString() << dyn_cast<CXXMethodDecl>(Member->getMemberDecl()); + } + } + } +} |