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[clang-tidy] Simplify matchers 

llvm-svn: 286213
This commit is contained in:
Alexander Kornienko 2016-11-08 05:58:07 +00:00
parent 171244fb7a
commit 76e4315a0e
1 changed files with 11 additions and 36 deletions
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47
clang-tools-extra/clang-tidy/misc/NonCopyableObjects.cpp
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@ -18,40 +18,6 @@ namespace clang {
namespace tidy {
namespace misc {
namespace {
// FIXME: it would be good to make a list that is also user-configurable so that
// users can add their own elements to the list. However, it may require some
// extra thought since POSIX types and FILE types are usable in different ways.
bool isPOSIXTypeName(StringRef ClassName) {
static const char *const TypeNames[] = {
"::pthread_cond_t",
"::pthread_mutex_t",
"pthread_cond_t",
"pthread_mutex_t"
};
return std::binary_search(std::begin(TypeNames), std::end(TypeNames),
ClassName);
}
bool isFILETypeName(StringRef ClassName) {
static const char *const TypeNames[] = {
"::FILE",
"FILE",
"std::FILE"
};
return std::binary_search(std::begin(TypeNames), std::end(TypeNames),
ClassName);
}
AST_MATCHER(NamedDecl, isFILEType) {
return isFILETypeName(Node.getQualifiedNameAsString());
}
AST_MATCHER(NamedDecl, isPOSIXType) {
return isPOSIXTypeName(Node.getQualifiedNameAsString());
}
} // namespace
void NonCopyableObjectsCheck::registerMatchers(MatchFinder *Finder) {
// There are two ways to get into trouble with objects like FILE *:
// dereferencing the pointer type to be a non-pointer type, and declaring
@ -63,8 +29,17 @@ void NonCopyableObjectsCheck::registerMatchers(MatchFinder *Finder) {
// non-pointer variable or data member of the type, but it is not reasonable
// to dereference a pointer to the type, or declare a parameter of non-pointer
// type.
auto BadFILEType = hasType(namedDecl(isFILEType()).bind("type_decl"));
auto BadPOSIXType = hasType(namedDecl(isPOSIXType()).bind("type_decl"));
// FIXME: it would be good to make a list that is also user-configurable so
// that users can add their own elements to the list. However, it may require
// some extra thought since POSIX types and FILE types are usable in different
// ways.
auto BadFILEType = hasType(
namedDecl(hasAnyName("::FILE", "FILE", "std::FILE")).bind("type_decl"));
auto BadPOSIXType =
hasType(namedDecl(hasAnyName("::pthread_cond_t", "::pthread_mutex_t",
"pthread_cond_t", "pthread_mutex_t"))
.bind("type_decl"));
auto BadEitherType = anyOf(BadFILEType, BadPOSIXType);
Finder->addMatcher(