228   GenerateEnumClass(associations, OS, "Association",  in EmitDirectivesDecl()
269   OS << "Association getDirectiveAssociation(Directive D);\n";  in EmitDirectivesDecl()
620   enum struct Association {  in GenerateGetDirectiveAssociation()  enum
633   auto getAssocValue = [](StringRef name) -> Association {  in GenerateGetDirectiveAssociation()
634     return StringSwitch<Association>(name)  in GenerateGetDirectiveAssociation()
635         .Case("AS_Block", Association::Block)  in GenerateGetDirectiveAssociation()
636         .Case("AS_Declaration", Association::Declaration)  in GenerateGetDirectiveAssociation()
637         .Case("AS_Delimited", Association::Delimited)  in GenerateGetDirectiveAssociation()
638         .Case("AS_Loop", Association::Loop)  in GenerateGetDirectiveAssociation()
639         .Case("AS_None", Association::None)  in GenerateGetDirectiveAssociation()
640         .Case("AS_Separating", Association::Separating)  in GenerateGetDirectiveAssociation()
641         .Case("AS_FromLeaves", Association::FromLeaves)  in GenerateGetDirectiveAssociation()
642         .Default(Association::Invalid);  in GenerateGetDirectiveAssociation()
645   auto getAssocName = [&](Association A) -> StringRef {  in GenerateGetDirectiveAssociation()
646     if (A != Association::Invalid && A != Association::FromLeaves) {  in GenerateGetDirectiveAssociation()
653     llvm_unreachable("Unexpected association value");  in GenerateGetDirectiveAssociation()
662   auto reduce = [&](Association A, Association B) -> Association {  in GenerateGetDirectiveAssociation()
670     if (A == Association::None || A == B)  in GenerateGetDirectiveAssociation()
672     if (A == Association::Block && B == Association::Loop)  in GenerateGetDirectiveAssociation()
674     if (A == Association::Loop && B == Association::Block)  in GenerateGetDirectiveAssociation()
676     return Association::Invalid;  in GenerateGetDirectiveAssociation()
679   llvm::DenseMap<const Record *, Association> AsMap;  in GenerateGetDirectiveAssociation()
681   auto compAssocImpl = [&](const Record *R, auto &&Self) -> Association {  in GenerateGetDirectiveAssociation()
686     Association AS = getAssocValue(D.getAssociation()->getName());  in GenerateGetDirectiveAssociation()
687     if (AS == Association::Invalid) {  in GenerateGetDirectiveAssociation()
689                       "has an unrecognized value for association: '" +  in GenerateGetDirectiveAssociation()
692     if (AS != Association::FromLeaves) {  in GenerateGetDirectiveAssociation()
696     // Compute the association from leaf constructs.  in GenerateGetDirectiveAssociation()
701                       "requests association to be computed from leaves, "  in GenerateGetDirectiveAssociation()
705     Association Result = Self(leaves[0], Self);  in GenerateGetDirectiveAssociation()
707       Association A = Self(leaves[I], Self);  in GenerateGetDirectiveAssociation()
708       Association R = reduce(Result, A);  in GenerateGetDirectiveAssociation()
709       if (R == Association::Invalid) {  in GenerateGetDirectiveAssociation()
711                         "has leaves with incompatible association values: " +  in GenerateGetDirectiveAssociation()
717     assert(Result != Association::Invalid);  in GenerateGetDirectiveAssociation()
718     assert(Result != Association::FromLeaves);  in GenerateGetDirectiveAssociation()
737       std::string("llvm::") + DirLang.getCppNamespace().str() + "::Association";  in GenerateGetDirectiveAssociation()