// static
VariantMatcher Registry::constructMatcher(StringRef MatcherName,
const SourceRange &NameRange,
ArrayRef<ParserValue> Args,
Diagnostics *Error) {
ConstructorMap::const_iterator it =
RegistryData->constructors().find(MatcherName);
if (it == RegistryData->constructors().end()) {
Error->addError(NameRange, Error->ET_RegistryNotFound) << MatcherName;
return VariantMatcher();
}
return it->second->run(NameRange, Args, Error);
}
// static
VariantMatcher Registry::constructBoundMatcher(StringRef MatcherName,
const SourceRange &NameRange,
StringRef BindID,
ArrayRef<ParserValue> Args,
Diagnostics *Error) {
VariantMatcher Out = constructMatcher(MatcherName, NameRange, Args, Error);
if (Out.isNull()) return Out;
llvm::Optional<DynTypedMatcher> Result = Out.getSingleMatcher();
if (Result.hasValue()) {
llvm::Optional<DynTypedMatcher> Bound = Result->tryBind(BindID);
if (Bound.hasValue()) {
return VariantMatcher::SingleMatcher(*Bound);
}
}
Error->addError(NameRange, Error->ET_RegistryNotBindable);
return VariantMatcher();
}
// static
VariantMatcher Registry::constructBoundMatcher(StringRef MatcherName,
const SourceRange &NameRange,
StringRef BindID,
ArrayRef<ParserValue> Args,
Diagnostics *Error) {
VariantMatcher Out = constructMatcher(MatcherName, NameRange, Args, Error);
if (Out.isNull()) return Out;
const DynTypedMatcher *Result;
if (Out.getSingleMatcher(Result)) {
OwningPtr<DynTypedMatcher> Bound(Result->tryBind(BindID));
if (Bound) {
return VariantMatcher::SingleMatcher(*Bound);
}
}
Error->addError(NameRange, Error->ET_RegistryNotBindable);
return VariantMatcher();
}
VariantMatcher VariantMatcher::VariadicOperatorMatcher(
ast_matchers::internal::VariadicOperatorFunction Func,
ArrayRef<VariantMatcher> Args) {
return VariantMatcher(new VariadicOpPayload(Func, Args));
}
VariantMatcher
VariantMatcher::PolymorphicMatcher(ArrayRef<DynTypedMatcher> Matchers) {
return VariantMatcher(new PolymorphicPayload(Matchers));
}
VariantMatcher VariantMatcher::SingleMatcher(const DynTypedMatcher &Matcher) {
return VariantMatcher(new SinglePayload(Matcher));
}