diff options
author | Ryosuke Niwa <rniwa@webkit.org> | 2024-02-14 14:45:29 -0800 |
---|---|---|
committer | GitHub <noreply@github.com> | 2024-02-14 14:45:29 -0800 |
commit | cbdc7605edca26ff75a28f080089a835ed9dba92 (patch) | |
tree | ba92f7ba9d9b8231d87a933ee245483fe6a0641f | |
parent | 3a49dfb28fed8f784484ce2ce6d687550f27ad59 (diff) |
[analyzer] Add a few more safe functions to call. (#81532)
Added checkedDowncast, uncheckedDowncast, & toString as safe functions
to call in alpha.webkit.UncountedCallArgsChecker.
-rw-r--r-- | clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.cpp | 5 | ||||
-rw-r--r-- | clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp | 11 | ||||
-rw-r--r-- | clang/test/Analysis/Checkers/WebKit/call-args-safe-functions.cpp (renamed from clang/test/Analysis/Checkers/WebKit/call-args-dynamic-downcast.cpp) | 21 |
3 files changed, 30 insertions, 7 deletions
diff --git a/clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.cpp b/clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.cpp index 96784d42d09f..08ba553d16ed 100644 --- a/clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.cpp @@ -194,8 +194,9 @@ bool isPtrConversion(const FunctionDecl *F) { // FIXME: check # of params == 1 const auto FunctionName = safeGetName(F); if (FunctionName == "getPtr" || FunctionName == "WeakPtr" || - FunctionName == "dynamicDowncast" - || FunctionName == "downcast" || FunctionName == "bitwise_cast") + FunctionName == "dynamicDowncast" || FunctionName == "downcast" || + FunctionName == "checkedDowncast" || + FunctionName == "uncheckedDowncast" || FunctionName == "bitwise_cast") return true; return false; diff --git a/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp index c84e1f9c244a..e2e1add31c9b 100644 --- a/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp @@ -174,13 +174,14 @@ public: auto name = safeGetName(Callee); if (name == "adoptRef" || name == "getPtr" || name == "WeakPtr" || - name == "dynamicDowncast" || name == "downcast" || name == "bitwise_cast" || - name == "is" || name == "equal" || name == "hash" || - name == "isType" + name == "dynamicDowncast" || name == "downcast" || + name == "checkedDowncast" || name == "uncheckedDowncast" || + name == "bitwise_cast" || name == "is" || name == "equal" || + name == "hash" || name == "isType" || // FIXME: Most/all of these should be implemented via attributes. - || name == "equalIgnoringASCIICase" || + name == "equalIgnoringASCIICase" || name == "equalIgnoringASCIICaseCommon" || - name == "equalIgnoringNullity") + name == "equalIgnoringNullity" || name == "toString") return true; return false; diff --git a/clang/test/Analysis/Checkers/WebKit/call-args-dynamic-downcast.cpp b/clang/test/Analysis/Checkers/WebKit/call-args-safe-functions.cpp index 28156623d9a0..a87446564870 100644 --- a/clang/test/Analysis/Checkers/WebKit/call-args-dynamic-downcast.cpp +++ b/clang/test/Analysis/Checkers/WebKit/call-args-safe-functions.cpp @@ -23,13 +23,34 @@ public: Derived* obj(); }; +class String { +}; + template<typename Target, typename Source> inline Target* dynamicDowncast(Source* source) { return static_cast<Target*>(source); } +template<typename Target, typename Source> +inline Target* checkedDowncast(Source* source) +{ + return static_cast<Target*>(source); +} + +template<typename Target, typename Source> +inline Target* uncheckedDowncast(Source* source) +{ + return static_cast<Target*>(source); +} + +template<typename... Types> +String toString(const Types&... values); + void foo(OtherObject* other) { dynamicDowncast<SubDerived>(other->obj()); + checkedDowncast<SubDerived>(other->obj()); + uncheckedDowncast<SubDerived>(other->obj()); + toString(other->obj()); } |