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a5d53274f3
This check implements the typebased semantic of `gsl::owner`.
Meaning, that
- only `gsl::owner` is allowed to get `delete`d
- `new` expression must be assigned to `gsl::owner`
- function calls that expect `gsl::owner` as argument, must get either an owner
or a newly created and recognized resource (in the moment only `new`ed memory)
- assignment to `gsl::owner` must be either a resource or another owner
- functions returning an `gsl::owner` are considered as factories, and their result
must be assigned to an `gsl::owner`
- classes that have an `gsl::owner`-member must declare a non-default destructor
There are some problems that occur when typededuction is in place.
For example `auto Var = function_that_returns_owner();` the type of `Var` will not be
an `gsl::owner`. This case is catched, and explicitly noted.
But cases like fully templated functions
```
template <typename T>
void f(T t) { delete t; }
// ...
f(gsl::owner<int*>(new int(42)));
```
Will created false positive (the deletion is problematic), since the type deduction
removes the wrapping `typeAlias`.
Please give your comments :)
llvm-svn: 313043
83 lines
3.5 KiB
C++
83 lines
3.5 KiB
C++
//===--- CppCoreGuidelinesModule.cpp - clang-tidy -------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "../ClangTidy.h"
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#include "../ClangTidyModule.h"
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#include "../ClangTidyModuleRegistry.h"
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#include "../misc/UnconventionalAssignOperatorCheck.h"
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#include "InterfacesGlobalInitCheck.h"
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#include "NoMallocCheck.h"
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#include "OwningMemoryCheck.h"
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#include "ProBoundsArrayToPointerDecayCheck.h"
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#include "ProBoundsConstantArrayIndexCheck.h"
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#include "ProBoundsPointerArithmeticCheck.h"
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#include "ProTypeConstCastCheck.h"
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#include "ProTypeCstyleCastCheck.h"
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#include "ProTypeMemberInitCheck.h"
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#include "ProTypeReinterpretCastCheck.h"
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#include "ProTypeStaticCastDowncastCheck.h"
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#include "ProTypeUnionAccessCheck.h"
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#include "ProTypeVarargCheck.h"
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#include "SlicingCheck.h"
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#include "SpecialMemberFunctionsCheck.h"
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namespace clang {
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namespace tidy {
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namespace cppcoreguidelines {
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/// A module containing checks of the C++ Core Guidelines
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class CppCoreGuidelinesModule : public ClangTidyModule {
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public:
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void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
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CheckFactories.registerCheck<InterfacesGlobalInitCheck>(
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"cppcoreguidelines-interfaces-global-init");
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CheckFactories.registerCheck<NoMallocCheck>("cppcoreguidelines-no-malloc");
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CheckFactories.registerCheck<OwningMemoryCheck>(
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"cppcoreguidelines-owning-memory");
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CheckFactories.registerCheck<ProBoundsArrayToPointerDecayCheck>(
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"cppcoreguidelines-pro-bounds-array-to-pointer-decay");
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CheckFactories.registerCheck<ProBoundsConstantArrayIndexCheck>(
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"cppcoreguidelines-pro-bounds-constant-array-index");
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CheckFactories.registerCheck<ProBoundsPointerArithmeticCheck>(
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"cppcoreguidelines-pro-bounds-pointer-arithmetic");
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CheckFactories.registerCheck<ProTypeConstCastCheck>(
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"cppcoreguidelines-pro-type-const-cast");
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CheckFactories.registerCheck<ProTypeCstyleCastCheck>(
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"cppcoreguidelines-pro-type-cstyle-cast");
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CheckFactories.registerCheck<ProTypeMemberInitCheck>(
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"cppcoreguidelines-pro-type-member-init");
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CheckFactories.registerCheck<ProTypeReinterpretCastCheck>(
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"cppcoreguidelines-pro-type-reinterpret-cast");
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CheckFactories.registerCheck<ProTypeStaticCastDowncastCheck>(
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"cppcoreguidelines-pro-type-static-cast-downcast");
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CheckFactories.registerCheck<ProTypeUnionAccessCheck>(
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"cppcoreguidelines-pro-type-union-access");
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CheckFactories.registerCheck<ProTypeVarargCheck>(
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"cppcoreguidelines-pro-type-vararg");
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CheckFactories.registerCheck<SpecialMemberFunctionsCheck>(
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"cppcoreguidelines-special-member-functions");
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CheckFactories.registerCheck<SlicingCheck>("cppcoreguidelines-slicing");
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CheckFactories.registerCheck<misc::UnconventionalAssignOperatorCheck>(
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"cppcoreguidelines-c-copy-assignment-signature");
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}
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};
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// Register the LLVMTidyModule using this statically initialized variable.
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static ClangTidyModuleRegistry::Add<CppCoreGuidelinesModule>
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X("cppcoreguidelines-module", "Adds checks for the C++ Core Guidelines.");
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} // namespace cppcoreguidelines
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// This anchor is used to force the linker to link in the generated object file
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// and thus register the CppCoreGuidelinesModule.
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volatile int CppCoreGuidelinesModuleAnchorSource = 0;
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} // namespace tidy
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} // namespace clang
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