| Commit message (Collapse) | Author | Age | Files | Lines |
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condition
Summary: Addresses [[ https://bugs.llvm.org/show_bug.cgi?id=44816 | bugprone-infinite-loop false positive with CATCH2 ]] by disabling the check on loops where the condition is known to always eval as false, in other words not a loop.
Reviewers: aaron.ballman, alexfh, hokein, gribozavr2, JonasToth
Reviewed By: gribozavr2
Subscribers: xazax.hun, cfe-commits
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D74374
(cherry picked from commit c69ec6476806147e46bf09b693acb24177982dc2)
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Summary: Fixes [[ https://bugs.llvm.org/show_bug.cgi?id=44746 | False positive for cppcoreguidelines-init-variables in range based for loop in template function ]]
Reviewers: aaron.ballman, alexfh, hokein, JonasToth, gribozavr2
Reviewed By: aaron.ballman
Subscribers: merge_guards_bot, xazax.hun, wuzish, nemanjai, kbarton, cfe-commits
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D73843
(cherry picked from commit efcd09cea9a51c522954aa24e4b5513266daf6c3)
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Summary: Fixes [[ https://bugs.llvm.org/show_bug.cgi?id=44745 | readability-else-after-return crashes ]]
Reviewers: aaron.ballman, alexfh, hokein, JonasToth, gribozavr2
Reviewed By: alexfh
Subscribers: merge_guards_bot, xazax.hun, cfe-commits
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D73841
(cherry picked from commit d591bdce6d623208d4aeb335a762d839f0f8f0f7)
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The checker bugprone-infinite-loop does not track changes of
variables in the initialization expression of a variable
declared inside the condition of the while statement. This
leads to false positives, similarly to the one in the bug
report https://bugs.llvm.org/show_bug.cgi?id=44618. This
patch fixes this issue by enabling tracking of the variables
of this expression as well.
Differential Revision: https://reviews.llvm.org/D73270
(cherry picked from commit 70f4c6e7b14f225f9628fbdab3620ce037613351)
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Instantiations for BugproneBranchClone and ReadabilityBracesAroundStatements
Summary: fixes [[ https://bugs.llvm.org/show_bug.cgi?id=32203 | readability-braces-around-statements broken for if constexpr]] and [[ https://bugs.llvm.org/show_bug.cgi?id=44229 | bugprone-branch-clone false positive with template functions and constexpr ]] by disabling the relevant checks on if constexpr statements while inside an instantiated template. This is due to how the else branch of an if constexpr statement is folded away to a null statement if the condition evaluates to false
Reviewers: alexfh, hokein, aaron.ballman, xazax.hun
Reviewed By: aaron.ballman, xazax.hun
Subscribers: rnkovacs, JonasToth, Jim, lebedev.ri, xazax.hun, cfe-commits
Tags: #clang-tools-extra, #clang
Differential Revision: https://reviews.llvm.org/D71980
(cherry picked from commit f9c46229e4ac29053747c96e08c574c6c48d544b)
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Adds a check that detects any auto variables that are deduced to a pointer or
a const pointer then adds in the const and asterisk according. Will also
check auto L value references that could be written as const. This relates
to the coding standard
https://llvm.org/docs/CodingStandards.html#beware-unnecessary-copies-with-auto
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Summary:
modernize-use-default-member-init wasn't warning about redundant initialisers
when the initialiser was an InitListExpr. Add initListExpr to the matcher.
Fixes: PR44439
Reviewers: aaron.ballman, alexfh, JonasToth
Reviewed By: aaron.ballman
Subscribers: xazax.hun, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D72691
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Summary:
Initialising a pointer from nullptr involves an implicit cast.
Ignore it after getting initialiser from InitListExpr.
Fixes: PR44440
Reviewers: aaron.ballman, alexfh, JonasToth
Reviewed By: JonasToth
Subscribers: xazax.hun, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D72630
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Fixes PR41122 (missing fixes for member variables in a destructor) and
PR29005 (does not rename class members in all locations).
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Summary: In D72333 we've introduced support for `if constexpr` but the test for uninstantiated template was not ready to land on windows platform since this target uses `-fdelayed-template-parsing` by default. This patch addresses this by passing `-fno-delayed-template-parsing` to the test.
Reviewers: JonasToth
Subscribers: xazax.hun, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D72438
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`readability-misleading-indentation`.
Because Windows build uses by default `fdelayed-template-parsing` we cannot have a test
where we don't instantiate the template. Please see D72333.
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instantiation for `readability-misleading-indentation` check.
Summary: Fixes fixes `readability-misleading-identation` for `if constexpr`. This is very similar to D71980.
Reviewers: alexfh
Subscribers: xazax.hun, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D72333
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and multiple types in a typedef
Summary:
It now handles `typedef`s that include comma-separated multiple types, and handles embedded struct definitions, which previously could not be automatically converted.
For example, with this patch `modernize-use-using` now can convert:
typedef struct { int a; } R_t, *R_p;
to:
using R_t = struct { int a; };
using R_p = R_t*;
`-ast-dump` showed that the `CXXRecordDecl` definitions and multiple `TypedefDecl`s come consecutively in the tree, so `check()` stores information between calls to determine when it is receiving a second or additional `TypedefDecl` within a single `typedef`, or when the current `TypedefDecl` refers to an embedded `CXXRecordDecl` like a `struct`.
Reviewers: alexfh, aaron.ballman
Patch by: poelmanc
Subscribers: riccibruno, sammccall, cfe-commits, aaron.ballman
Tags: clang-tools-extra, clang
Differential Revision: https://reviews.llvm.org/D70270
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Summary:
This check searches for signed char -> integer conversions which might
indicate programming error, because of the misinterpretation of char
values. A signed char might store the non-ASCII characters as negative
values. The human programmer probably expects that after an integer
conversion the converted value matches with the character code
(a value from [0..255]), however, the actual value is in
[-128..127] interval.
See also:
STR34-C. Cast characters to unsigned char before converting to larger integer sizes
<https://wiki.sei.cmu.edu/confluence/display/c/STR34-C.+Cast+characters+to+unsigned+char+before+converting+to+larger+integer+sizes>
By now this check is limited to assignment / variable declarations.
If we would catch all signed char -> integer conversion, then it would
produce a lot of findings and also false positives. So I added only
this use case now, but this check can be extended with additional
use cases later.
The CERT documentation mentions another use case when the char is
used for array subscript. Next to that a third use case can be
the signed char - unsigned char comparison, which also a use case
where things happen unexpectedly because of conversion to integer.
Reviewers: alexfh, hokein, aaron.ballman
Reviewed By: aaron.ballman
Subscribers: sylvestre.ledru, whisperity, Eugene.Zelenko, mgorny, xazax.hun, cfe-commits
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D71174
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Adds a new ASTMatcher condition called 'hasInitStatement()' that matches if,
switch and range-for statements with an initializer. Reworked clang-tidy
readability-else-after-return to handle variables in the if condition or init
statements in c++17 ifs. Also checks if removing the else would affect object
lifetimes in the else branch.
Fixes PR44364.
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Replace tidy::utils::lexer::getConstQualifyingToken with a corrected and also
generalized to other qualifiers variant - getQualifyingToken.
Fixes PR44326
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cppcoreguidelines-avoid-magic-numbers should not warn about enum class.
Fixes PR40640.
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The check warns when (a member of) the copied object is assigned to in a
copy constructor or copy assignment operator. Based on
https://wiki.sei.cmu.edu/confluence/display/cplusplus/OOP58-CPP.+Copy+operations+must+not+mutate+the+source+object
Differential Revision: https://reviews.llvm.org/D70052
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a command line for clang-tidy.
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Fixes a false positive brought up by PR40633.
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Adds the IgnoreBitFieldsWidths option to readability-magic-numbers.
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fix compile error
The test was failing when run on OSes older than MacOSX10.14 because
aligned deallocation functions are unavailable on older OSes.
rdar://problem/57706710
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Summary:
This commit fixes http://llvm.org/PR26274 in a simpler and more correct way than
4736d63f752f8d13f4c6a9afd558565c32119718 did. See
https://reviews.llvm.org/D69855#1767089 for details.
Reviewers: gribozavr, aaron.ballman, gribozavr2
Reviewed By: aaron.ballman, gribozavr2
Subscribers: gribozavr2, merge_guards_bot, xazax.hun, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D70974
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This patch reapplies commit 759948467ea. Patch was reverted due to a
clang-tidy test fail on Windows. The test has been modified. There
are no additional code changes.
Patch was tested with ninja check-all on Windows and Linux.
Summary of code changes:
Clang currently crashes for switch statements inside a template when the
condition is a non-integer field member because contextual implicit
conversion is skipped when parsing the condition. This conversion is
however later checked in an assert when the case statement is handled.
The conversion is skipped when parsing the condition because
the field member is set as type-dependent based on its containing class.
This patch sets the type dependency based on the field's type instead.
This patch fixes Bug 40982.
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This reverts commit 4736d63f752f8d13f4c6a9afd558565c32119718.
This commit introduces a ton of false positives and incorrect fixes. See https://reviews.llvm.org/D69855#1767089 for details.
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This represents largely a full re-write of modernize-avoid-bind, adding
significant new functionality in the process. In particular:
* Both boost::bind and std::bind are now supported
* Function objects are supported in addition to functions
* Member functions are supported
* Nested calls are supported using capture-init syntax
* std::ref() and boost::ref() are now recognized, and will capture by reference.
* Rather than capturing with a global =, we now build up an individual
capture list that is both necessary and sufficient for the call.
* Fixits are supported in a much larger variety of scenarios than before.
All previous tests pass under the re-write, but a large number of new
tests have been added as well.
Differential Revision: https://reviews.llvm.org/D70368
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Applying parentheses for statement leads to compilation error. Bug
[[ 43804 | https://bugs.llvm.org/show_bug.cgi?id=43804 ]] is a
compilation error suggested by a wrong fix of this checker. This
patch is a quick fix for this issue.
Differential Revision: https://reviews.llvm.org/D70850
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Differential Revision: https://reviews.llvm.org/D46027
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If a namespace is a macro name, it should be allowed to close the
namespace with the same name.
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`run_clang_tidy` takes a regular expression to match against
compile_commands.json entries. If we pass "%t/test.cpp" and "%t" expands
to anything that includes chars that a regex treats specially, like '+',
this test starts failing.
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Summary: The check flags constructs that prevent automatic move of local variables.
Reviewers: aaron.ballman
Subscribers: mgorny, xazax.hun, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D70390
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Summary:
`modernize-use-equals-default` replaces default constructors/destructors with `= default;`. When the optional semicolon after a member function is present, this results in two consecutive semicolons.
This patch checks to see if the next non-comment token after the code to be replaced is a semicolon, and if so offers a replacement of `= default` rather than `= default;`.
This patch adds trailing comments and semicolons to about 5 existing tests.
Reviewers: malcolm.parsons, angelgarcia, aaron.ballman, alexfh
Patch by: poelmanc
Subscribers: MyDeveloperDay, JonasToth, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D70144
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IgnoreBaseInCopyConstructors to avoid breaking code with gcc -Werror=extra
Summary:
readability-redundant-member-init removes redundant / unnecessary member and base class initialization. Unfortunately for the specific case of a copy constructor's initialization of a base class, gcc at strict warning levels warns if "base class is not initialized in the copy constructor of a derived class".
This patch adds an option `IgnoreBaseInCopyConstructors` defaulting to 0 (thus maintaining current behavior by default) to skip the specific case of removal of redundant base class initialization in the copy constructor. Enabling this option enables the resulting code to continue to compile successfully under `gcc -Werror=extra`. New test cases `WithCopyConstructor1` and `WithCopyConstructor2` in clang-tools-extra/test/clang-tidy/readability-redundant-member-init.cpp show that it removes redundant members even from copy constructors.
Reviewers: malcolm.parsons, alexfh, hokein, aaron.ballman, lebedev.ri
Patch by: poelmanc
Subscribers: mgehre, lebedev.ri, cfe-commits
Tags: #clang, #clang-tools-extra
Differential revision: https://reviews.llvm.org/D69145
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Summary:
In addition to adding `override` wherever possible, clang-tidy's `modernize-use-override` nicely removes `virtual` when `override` or `final` is specified, and further removes override when final is specified. While this is great default behavior, when code needs to be compiled with gcc at high warning levels that include `gcc -Wsuggest-override` or `gcc -Werror=suggest-override`, clang-tidy's removal of the redundant `override` keyword causes gcc to emit a warning or error. This discrepancy / conflict has been noted by others including a comment on Stack Overflow and by Mozilla's Firefox developers.
This patch adds an AllowOverrideAndFinal option defaulting to 0 - thus preserving current behavior - that when enabled allows both `override` and `final` to co-exist, while still fixing all other issues.
The patch includes a test file verifying all combinations of virtual/override/final, and mentions the new option in the release notes.
Reviewers: alexfh, djasper, JonasToth
Patch by: poelmanc
Subscribers: JonasToth, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D70165
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Summary:
`readability-redundant-string-init` was one of several clang-tidy checks documented as failing for C++17. (The failure mode in C++17 is that it changes `std::string Name = ""`; to `std::string Name = Name;`, which actually compiles but crashes at run-time.)
Analyzing the AST with `clang -Xclang -ast-dump` showed that the outer `CXXConstructExprs` that previously held the correct SourceRange were being elided in C++17/2a, but the containing `VarDecl` expressions still had all the relevant information. So this patch changes the fix to get its source ranges from `VarDecl`.
It adds one test `std::string g = "u", h = "", i = "uuu", j = "", k;` to confirm proper warnings and fixit replacements in a single `DeclStmt` where some strings require replacement and others don't. The readability-redundant-string-init.cpp and readability-redundant-string-init-msvc.cpp tests now pass for C++11/14/17/2a.
Reviewers: gribozavr, etienneb, alexfh, hokein, aaron.ballman, gribozavr2
Patch by: poelmanc
Subscribers: NoQ, MyDeveloperDay, Eugene.Zelenko, dylanmckay, cfe-commits
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D69238
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This reverts commit 50e99563fb0459f5160572eef3c4e6062b8ad3f2.
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Summary:
Added new checker 'cert-default-operator-new' that checks for
CERT rule MEM57-CPP. Simple version.
Reviewers: aaron.ballman, alexfh, JonasToth, lebedev.ri
Reviewed By: aaron.ballman
Subscribers: hiraditya, martong, mehdi_amini, mgorny, inglorion, xazax.hun, dkrupp, steven_wu, dexonsmith, Szelethus, gamesh411, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D67545
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string types to fix
Summary:
This patch adds a feature requested in https://reviews.llvm.org/D69238 to enable `readability-redundant-string-init` to take a list of strings to apply the fix to rather than hard-coding `basic_string`. It adds a `StringNames` option of semicolon-delimited names of string classes to which to apply this fix. Tests ensure this works with test class out::TestString as well as std::string and std::wstring as before. It should be applicable to llvm::StringRef, QString, etc.
Note: This commit was previously reverted due to a failing unit test. That test has been fixed in this version.
Reviewers: MyDeveloperDay, aaron.ballman, hokein, alexfh, JonasToth, gribozavr2
Patch by: poelmanc
Subscribers: gribozavr2, xazax.hun, Eugene.Zelenko, cfe-commits
Tags: #clang-tools-extra, #clang
Differential Revision: https://reviews.llvm.org/D69548
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list of string types to fix"
This reverts commit 96fbc32cb9ea23b1e7e3ff6906ec3ccda9500982.
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string types to fix
Summary:
This patch adds a feature requested in https://reviews.llvm.org/D69238 to enable `readability-redundant-string-init` to take a list of strings to apply the fix to rather than hard-coding `basic_string`. It adds a `StringNames` option of semicolon-delimited names of string classes to which to apply this fix. Tests ensure this works with test class out::TestString as well as std::string and std::wstring as before. It should be applicable to llvm::StringRef, QString, etc.
Reviewers: MyDeveloperDay, aaron.ballman, hokein, alexfh, JonasToth, gribozavr2
Patch by: poelmanc
Subscribers: gribozavr2, xazax.hun, Eugene.Zelenko, cfe-commits
Tags: #clang-tools-extra, #clang
Differential Revision: https://reviews.llvm.org/D69548
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Summary:
In addition to adding `override` wherever possible, clang-tidy's `modernize-use-override` nicely removes `virtual` when `override` or `final` is specified, and further removes override when final is specified. While this is great default behavior, when code needs to be compiled with gcc at high warning levels that include `gcc -Wsuggest-override` or `gcc -Werror=suggest-override`, clang-tidy's removal of the redundant `override` keyword causes gcc to emit a warning or error. This discrepancy / conflict has been noted by others including a comment on Stack Overflow and by Mozilla's Firefox developers.
This patch adds an AllowOverrideAndFinal option defaulting to 0 - thus preserving current behavior - that when enabled allows both `override` and `final` to co-exist, while still fixing all other issues.
The patch includes a test file verifying all combinations of virtual/override/final, and mentions the new option in the release notes.
Reviewers: alexfh, djasper, JonasToth
Patch by: poelmanc
Subscribers: JonasToth, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D70165
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Summary:
If clang-tidy's modernize-use-using feature finds any commas that are not within parentheses, it won't create a fix. That means it won't change lines like:
typedef std::pair<int, int> Point;
to
using Point = std::pair<int, int>;
or even:
typedef std::map<std::string, Foo> MyMap;
typedef std::vector<int,MyCustomAllocator<int>> MyVector;
This patch allows the fix to apply to lines with commas if they are within parentheses or angle brackets that were not themselves within parentheses.
Reviewers: alexfh, hokein, aaron.ballman
Patch by: poelmanc
Subscribers: jonathanmeier, cfe-commits
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D67460
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cert-pos44-c
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alias cert-pos44-c"
This reverts commit 4edf0cb0e03e31d468979d0d7dec08bd9f4f8204.
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cert-pos44-c
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templates""
This reverts commit 759948467ea3181615d44d80f74ffeb260180fd0.
There were build bot failures in clang-tidy
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