lebedev.ri added inline comments.
================
Comment at: clang-tidy/readability/FunctionCognitiveComplexityCheck.cpp:102-114
+const std::array<const char *const, 4> CognitiveComplexity::Msgs = {{
+ // B1 + B2 + B3
+ "+%0, including nesting penalty of %1, nesting level increased to %2",
+
+ // B1 + B2
+ "+%0, nesting level increased to %2",
+
----------------
JonasToth wrote:
> lebedev.ri wrote:
> > JonasToth wrote:
> > > lebedev.ri wrote:
> > > > JonasToth wrote:
> > > > > could this initialization land in line 45? that would be directly
> > > > > close to the criteria.
> > > > It would be nice indeed, but if i do
> > > > ```
> > > > // All the possible messages that can be outputed. The choice of the
> > > > message
> > > > // to use is based of the combination of the Criterias
> > > > static constexpr std::array<const char *const, 4> Msgs = {{
> > > > // B1 + B2 + B3
> > > > "+%0, including nesting penalty of %1, nesting level increased to
> > > > %2",
> > > >
> > > > // B1 + B2
> > > > "+%0, nesting level increased to %2",
> > > >
> > > > // B1
> > > > "+%0",
> > > >
> > > > // B2
> > > > "nesting level increased to %2",
> > > > }};
> > > > ```
> > > > i get
> > > > ```
> > > > $ ninja check-clang-tools -j1
> > > > [1/5] Linking CXX executable bin/clang-tidy
> > > > FAILED: bin/clang-tidy
> > > > : && /usr/local/bin/clang++ -fPIC -fvisibility-inlines-hidden
> > > > -Werror=date-time -Werror=unguarded-availability-new -std=c++11 -Wall
> > > > -W -Wno-unused-parameter -Wwrite-strings -Wcast-qual
> > > > -Wmissing-field-initializers -pedantic -Wno-long-long
> > > > -Wcovered-switch-default -Wnon-virtual-dtor -Wdelete-non-virtual-dtor
> > > > -Wstring-conversion -fcolor-diagnostics -ffunction-sections
> > > > -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types
> > > > -O3 -DNDEBUG -Wl,-allow-shlib-undefined -Wl,-O3 -Wl,--gc-sections
> > > > tools/clang/tools/extra/clang-tidy/tool/CMakeFiles/clang-tidy.dir/ClangTidyMain.cpp.o
> > > > -o bin/clang-tidy -Wl,-rpath,"\$ORIGIN/../lib" lib/libLLVMSupport.a
> > > > -lpthread lib/libclangAST.a lib/libclangASTMatchers.a
> > > > lib/libclangBasic.a lib/libclangTidy.a lib/libclangTidyAndroidModule.a
> > > > lib/libclangTidyBoostModule.a lib/libclangTidyBugproneModule.a
> > > > lib/libclangTidyCERTModule.a lib/libclangTidyCppCoreGuidelinesModule.a
> > > > lib/libclangTidyGoogleModule.a lib/libclangTidyHICPPModule.a
> > > > lib/libclangTidyLLVMModule.a lib/libclangTidyMiscModule.a
> > > > lib/libclangTidyModernizeModule.a lib/libclangTidyMPIModule.a
> > > > lib/libclangTidyPerformanceModule.a lib/libclangTidyReadabilityModule.a
> > > > lib/libclangTooling.a lib/libclangToolingCore.a
> > > > lib/libclangTidyCppCoreGuidelinesModule.a
> > > > lib/libclangTidyGoogleModule.a lib/libclangTidyMiscModule.a
> > > > lib/libclangTidyReadabilityModule.a lib/libclangTidyUtils.a
> > > > lib/libclangTidy.a lib/libclangTooling.a lib/libclangFormat.a
> > > > lib/libclangToolingCore.a lib/libclangStaticAnalyzerFrontend.a
> > > > lib/libclangFrontend.a lib/libclangDriver.a lib/libLLVMOption.a
> > > > lib/libclangParse.a lib/libLLVMMCParser.a lib/libclangSerialization.a
> > > > lib/libclangSema.a lib/libclangEdit.a lib/libLLVMBitReader.a
> > > > lib/libLLVMProfileData.a lib/libclangStaticAnalyzerCheckers.a
> > > > lib/libclangStaticAnalyzerCore.a lib/libclangASTMatchers.a
> > > > lib/libclangRewrite.a lib/libclangAnalysis.a lib/libclangAST.a
> > > > lib/libclangLex.a lib/libclangBasic.a lib/libLLVMCore.a
> > > > lib/libLLVMBinaryFormat.a lib/libLLVMMC.a lib/libLLVMSupport.a -lrt
> > > > -ldl -ltinfo -lpthread -lz -lm lib/libLLVMDemangle.a && :
> > > > lib/libclangTidyReadabilityModule.a(FunctionCognitiveComplexityCheck.cpp.o):FunctionCognitiveComplexityCheck.cpp:function
> > > >
> > > > clang::tidy::readability::FunctionCognitiveComplexityCheck::check(clang::ast_matchers::MatchFinder::MatchResult
> > > > const&): error: undefined reference to
> > > > 'clang::tidy::readability::(anonymous
> > > > namespace)::CognitiveComplexity::Msgs'
> > > > ```
> > > > Same if `process()` returns `std::pair<unsigned, unsigned short>` and
> > > > in `FunctionCognitiveComplexityCheck::check()` i do `const char
> > > > *IncreaseMessage = Visitor.CC.Msgs[IncreaseMsgId];`
> > > might the `static` cause that linking error?
> > > Did you consider using `StringRef` instead of `const char*`? It is better
> > > behaved.
> > >
> > > ```constexpr std::array<StringRef, 4> Msgs = { /* messages */ };```
> > Actually, found a combination that works, done.
> > FIXME: so should `const std::array<const StringRef, 4>
> > CognitiveComplexity::Msgs` be `static` and initialized out-of-line, or not
> > `static`, but initialized in-line?
> Since it is already in an anonymous namespace, static would be duplicated,
> wouldn't it? I like it now!
`Msgs` is in a `struct CognitiveComplexity`, which is in anonymous namespace
Repository:
rL LLVM
https://reviews.llvm.org/D36836
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