void UnusedAliasDeclsCheck::registerMatchers(MatchFinder *Finder) {
// Only register the matchers for C++11; the functionality currently does not
// provide any benefit to other languages, despite being benign.
if (!getLangOpts().CPlusPlus11)
return;
// We cannot do anything about headers (yet), as the alias declarations
// used in one header could be used by some other translation unit.
Finder->addMatcher(namespaceAliasDecl(isExpansionInMainFile()).bind("alias"),
this);
Finder->addMatcher(nestedNameSpecifier().bind("nns"), this);
}
void DefinitionsInHeadersCheck::registerMatchers(MatchFinder *Finder) {
if (UseHeaderFileExtension) {
Finder->addMatcher(
namedDecl(anyOf(functionDecl(isDefinition()), varDecl(isDefinition())),
isHeaderFileExtension()).bind("name-decl"),
this);
} else {
Finder->addMatcher(
namedDecl(anyOf(functionDecl(isDefinition()), varDecl(isDefinition())),
anyOf(isHeaderFileExtension(),
unless(isExpansionInMainFile()))).bind("name-decl"),
this);
}
}
void DefinitionsInHeadersCheck::registerMatchers(MatchFinder *Finder) {
if (!getLangOpts().CPlusPlus)
return;
auto DefinitionMatcher =
anyOf(functionDecl(isDefinition(), unless(isDeleted())),
varDecl(isDefinition()));
if (UseHeaderFileExtension) {
Finder->addMatcher(namedDecl(DefinitionMatcher,
usesHeaderFileExtension(HeaderFileExtensions))
.bind("name-decl"),
this);
} else {
Finder->addMatcher(
namedDecl(DefinitionMatcher,
anyOf(usesHeaderFileExtension(HeaderFileExtensions),
unless(isExpansionInMainFile())))
.bind("name-decl"),
this);
}
}
