[PATCH] D89194: [clang-tidy] Fix crash in readability-function-cognitive-complexity on weak refs
Zinovy Nis via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Sun Oct 11 06:22:02 PDT 2020
zinovy.nis updated this revision to Diff 297458.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D89194/new/
https://reviews.llvm.org/D89194
Files:
clang-tools-extra/clang-tidy/readability/FunctionCognitiveComplexityCheck.cpp
clang-tools-extra/test/clang-tidy/checkers/readability-function-cognitive-complexity.cpp
clang/include/clang/ASTMatchers/ASTMatchers.h
Index: clang/include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- clang/include/clang/ASTMatchers/ASTMatchers.h
+++ clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -4647,6 +4647,17 @@
return Node.isDefaulted();
}
+/// Matches weak function declarations.
+///
+/// Given:
+/// \code
+/// void foo() __attribute__((__weakref__("__foo")));
+/// void bar();
+/// \endcode
+/// functionDecl(isWeak())
+/// matches the weak declaration foo, but not bar.
+AST_MATCHER(FunctionDecl, isWeak) { return Node.isWeak(); }
+
/// Matches functions that have a dynamic exception specification.
///
/// Given:
Index: clang-tools-extra/test/clang-tidy/checkers/readability-function-cognitive-complexity.cpp
===================================================================
--- clang-tools-extra/test/clang-tidy/checkers/readability-function-cognitive-complexity.cpp
+++ clang-tools-extra/test/clang-tidy/checkers/readability-function-cognitive-complexity.cpp
@@ -1013,3 +1013,5 @@
templatedFunction<void*>();
}
+
+static void pr47779_dont_crash_on_weak() __attribute__((__weakref__("__pr47779_dont_crash_on_weak")));
Index: clang-tools-extra/clang-tidy/readability/FunctionCognitiveComplexityCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/readability/FunctionCognitiveComplexityCheck.cpp
+++ clang-tools-extra/clang-tidy/readability/FunctionCognitiveComplexityCheck.cpp
@@ -501,9 +501,9 @@
void FunctionCognitiveComplexityCheck::registerMatchers(MatchFinder *Finder) {
Finder->addMatcher(
- functionDecl(
- allOf(isDefinition(), unless(anyOf(isDefaulted(), isDeleted(),
- isImplicit(), isInstantiated()))))
+ functionDecl(isDefinition(),
+ unless(anyOf(isDefaulted(), isDeleted(), isImplicit(),
+ isInstantiated(), isWeak())))
.bind("func"),
this);
}
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