https://github.com/flovent updated https://github.com/llvm/llvm-project/pull/127394
>From d8d48e730d0192fe39cce72b47a62a929647484c Mon Sep 17 00:00:00 2001 From: flovent <flb...@protonmail.com> Date: Sun, 16 Feb 2025 21:07:55 +0800 Subject: [PATCH 1/6] [clang-tidy] Fix false positive for cppcoreguidelines-pro-bounds-pointer-arithmetic --- .../ProBoundsPointerArithmeticCheck.cpp | 3 ++- clang-tools-extra/docs/ReleaseNotes.rst | 4 ++++ ...-bounds-pointer-arithmetic-issue126424.cpp | 19 +++++++++++++++++++ 3 files changed, 25 insertions(+), 1 deletion(-) create mode 100644 clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp diff --git a/clang-tools-extra/clang-tidy/cppcoreguidelines/ProBoundsPointerArithmeticCheck.cpp b/clang-tools-extra/clang-tidy/cppcoreguidelines/ProBoundsPointerArithmeticCheck.cpp index a1494a095f5b6..0d68790349fb5 100644 --- a/clang-tools-extra/clang-tidy/cppcoreguidelines/ProBoundsPointerArithmeticCheck.cpp +++ b/clang-tools-extra/clang-tidy/cppcoreguidelines/ProBoundsPointerArithmeticCheck.cpp @@ -42,7 +42,8 @@ void ProBoundsPointerArithmeticCheck::registerMatchers(MatchFinder *Finder) { arraySubscriptExpr( hasBase(ignoringImpCasts( anyOf(AllPointerTypes, - hasType(decayedType(hasDecayedType(pointerType()))))))) + hasType(decayedType(hasDecayedType(pointerType())))))), + hasIndex(hasType(isInteger()))) .bind("expr"), this); } diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst index e50d40b76e8c4..88b2aff786667 100644 --- a/clang-tools-extra/docs/ReleaseNotes.rst +++ b/clang-tools-extra/docs/ReleaseNotes.rst @@ -327,6 +327,10 @@ Changes in existing checks <clang-tidy/checks/readability/redundant-smartptr-get>` check by fixing some false positives involving smart pointers to arrays. +- Improved :doc:`cppcoreguidelines-pro-bounds-pointer-arithmetic + <clang-tidy/checks/cppcoreguidelines/pro-bounds-pointer-arithmetic>` check by + fix false positives related to operator overloading and templates. + Removed checks ^^^^^^^^^^^^^^ diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp new file mode 100644 index 0000000000000..b6b7a9664f38d --- /dev/null +++ b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp @@ -0,0 +1,19 @@ +// RUN: %check_clang_tidy %s cppcoreguidelines-pro-bounds-pointer-arithmetic %t + +namespace std { +template <typename, typename> +class pair {}; + +template <typename Key, typename Value> +class map { + public: + using value_type = pair<Key, Value>; + value_type& operator[](const Key& key); + value_type& operator[](Key&& key); + }; +} + +template <typename R> +int f(std::map<R*, int>& map, R* r) { + return map[r]; // OK +} \ No newline at end of file >From d280cb22c0f8c1b92f080bf35013b52079938051 Mon Sep 17 00:00:00 2001 From: flovent <flb...@protonmail.com> Date: Sun, 16 Feb 2025 21:18:45 +0800 Subject: [PATCH 2/6] add missing new line for testcase --- .../pro-bounds-pointer-arithmetic-issue126424.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp index b6b7a9664f38d..a76798423ee17 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp @@ -16,4 +16,4 @@ class map { template <typename R> int f(std::map<R*, int>& map, R* r) { return map[r]; // OK -} \ No newline at end of file +} >From 58e87d182dcdf5699d49b518d99b0057add59eaf Mon Sep 17 00:00:00 2001 From: flovent <flb...@protomail.com> Date: Mon, 17 Feb 2025 20:11:06 +0800 Subject: [PATCH 3/6] keep alpha order for release note --- clang-tools-extra/docs/ReleaseNotes.rst | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst index 88b2aff786667..606d6517829b4 100644 --- a/clang-tools-extra/docs/ReleaseNotes.rst +++ b/clang-tools-extra/docs/ReleaseNotes.rst @@ -212,6 +212,10 @@ Changes in existing checks <clang-tidy/checks/cppcoreguidelines/avoid-goto>` check by adding the option `IgnoreMacros` to ignore ``goto`` labels defined in macros. +- Improved :doc:`cppcoreguidelines-pro-bounds-pointer-arithmetic + <clang-tidy/checks/cppcoreguidelines/pro-bounds-pointer-arithmetic>` check by + fix false positives related to operator overloading and templates. + - Improved :doc:`cppcoreguidelines-special-member-functions <clang-tidy/checks/cppcoreguidelines/special-member-functions>` check by adding the option `IgnoreMacros` to ignore classes defined in macros. @@ -327,10 +331,6 @@ Changes in existing checks <clang-tidy/checks/readability/redundant-smartptr-get>` check by fixing some false positives involving smart pointers to arrays. -- Improved :doc:`cppcoreguidelines-pro-bounds-pointer-arithmetic - <clang-tidy/checks/cppcoreguidelines/pro-bounds-pointer-arithmetic>` check by - fix false positives related to operator overloading and templates. - Removed checks ^^^^^^^^^^^^^^ >From 51b3460c693429635c198dfc4f287f1bd1962a52 Mon Sep 17 00:00:00 2001 From: flovent <flb...@protonmail.com> Date: Sat, 24 May 2025 18:13:09 +0800 Subject: [PATCH 4/6] optimize release notes --- clang-tools-extra/docs/ReleaseNotes.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst index 606d6517829b4..cd9dcd59ce003 100644 --- a/clang-tools-extra/docs/ReleaseNotes.rst +++ b/clang-tools-extra/docs/ReleaseNotes.rst @@ -214,7 +214,8 @@ Changes in existing checks - Improved :doc:`cppcoreguidelines-pro-bounds-pointer-arithmetic <clang-tidy/checks/cppcoreguidelines/pro-bounds-pointer-arithmetic>` check by - fix false positives related to operator overloading and templates. + fixing false positives when calling indexing operators that do not perform + pointer arithmetic in template, for example ``std::map::operator[]``. - Improved :doc:`cppcoreguidelines-special-member-functions <clang-tidy/checks/cppcoreguidelines/special-member-functions>` check by >From 3aad049b38a7c19e21a1ce1fd46392dfb3345a23 Mon Sep 17 00:00:00 2001 From: flovent <flb...@protonmail.com> Date: Mon, 30 Jun 2025 20:36:05 +0800 Subject: [PATCH 5/6] merge testcase to main test file --- ...-bounds-pointer-arithmetic-issue126424.cpp | 19 ---------------- .../pro-bounds-pointer-arithmetic.cpp | 22 +++++++++++++++++++ 2 files changed, 22 insertions(+), 19 deletions(-) delete mode 100644 clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp deleted file mode 100644 index a76798423ee17..0000000000000 --- a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic-issue126424.cpp +++ /dev/null @@ -1,19 +0,0 @@ -// RUN: %check_clang_tidy %s cppcoreguidelines-pro-bounds-pointer-arithmetic %t - -namespace std { -template <typename, typename> -class pair {}; - -template <typename Key, typename Value> -class map { - public: - using value_type = pair<Key, Value>; - value_type& operator[](const Key& key); - value_type& operator[](Key&& key); - }; -} - -template <typename R> -int f(std::map<R*, int>& map, R* r) { - return map[r]; // OK -} diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp index 7cbc6ddf96ab6..5650dc8240b83 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp @@ -87,3 +87,25 @@ void okay() { for(int ii : a) ; // OK, pointer arithmetic generated by compiler } + +namespace issue126424 { + +namespace std { +template <typename, typename> +class pair {}; + +template <typename Key, typename Value> +class map { + public: + using value_type = pair<Key, Value>; + value_type& operator[](const Key& key); + value_type& operator[](Key&& key); + }; +} + +template <typename R> +int f(std::map<R*, int>& map, R* r) { + return map[r]; // OK +} + +} >From 2b8773f6262c4254f38e6e01341b434b6a64454b Mon Sep 17 00:00:00 2001 From: flovent <flb...@protonmail.com> Date: Mon, 30 Jun 2025 22:31:48 +0800 Subject: [PATCH 6/6] `issue` to `gh` --- .../cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp index 5650dc8240b83..7f69eddee03aa 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-bounds-pointer-arithmetic.cpp @@ -88,7 +88,7 @@ void okay() { for(int ii : a) ; // OK, pointer arithmetic generated by compiler } -namespace issue126424 { +namespace gh126424 { namespace std { template <typename, typename> _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits