void layoutRecord() {
auto kind = FieldDescriptorKind::Struct;
if (auto CD = dyn_cast<ClassDecl>(NTD)) {
auto type = CD->getDeclaredType()->getCanonicalType();
auto RC = getReferenceCountingForType(IGM, type);
if (RC == ReferenceCounting::ObjC)
kind = FieldDescriptorKind::ObjCClass;
else
kind = FieldDescriptorKind::Class;
}
B.addInt16(uint16_t(kind));
B.addInt16(fieldRecordSize);
// Imported classes don't need field descriptors
if (NTD->hasClangNode() && isa<ClassDecl>(NTD)) {
B.addInt32(0);
return;
}
assert(!NTD->hasClangNode() || isa<StructDecl>(NTD));
auto properties = NTD->getStoredProperties();
B.addInt32(std::distance(properties.begin(), properties.end()));
for (auto property : properties)
addFieldDecl(property,
property->getInterfaceType()
->getCanonicalType());
}
void layout() {
using swift::reflection::FieldDescriptorKind;
PrettyStackTraceDecl DebugStack("emitting field type metadata", NTD);
auto type = NTD->getDeclaredType()->getCanonicalType();
addTypeRef(NTD->getModuleContext(), type);
switch (NTD->getKind()) {
case DeclKind::Class:
case DeclKind::Struct: {
auto properties = NTD->getStoredProperties();
addConstantInt16(uint16_t(isa<StructDecl>(NTD)
? FieldDescriptorKind::Struct
: FieldDescriptorKind::Class));
addConstantInt16(fieldRecordSize);
addConstantInt32(std::distance(properties.begin(), properties.end()));
for (auto property : properties)
addFieldDecl(property,
property->getInterfaceType()
->getCanonicalType());
break;
}
case DeclKind::Enum: {
auto enumDecl = cast<EnumDecl>(NTD);
auto cases = enumDecl->getAllElements();
addConstantInt16(uint16_t(FieldDescriptorKind::Enum));
addConstantInt16(fieldRecordSize);
addConstantInt32(std::distance(cases.begin(), cases.end()));
for (auto enumCase : cases) {
if (enumCase->hasArgumentType()) {
addFieldDecl(enumCase,
enumCase->getArgumentInterfaceType()
->getCanonicalType());
} else {
addFieldDecl(enumCase, CanType());
}
}
break;
}
case DeclKind::Protocol: {
auto protocolDecl = cast<ProtocolDecl>(NTD);
FieldDescriptorKind Kind;
if (protocolDecl->isObjC())
Kind = FieldDescriptorKind::ObjCProtocol;
else if (protocolDecl->requiresClass())
Kind = FieldDescriptorKind::ClassProtocol;
else
Kind = FieldDescriptorKind::Protocol;
addConstantInt16(uint16_t(Kind));
addConstantInt16(fieldRecordSize);
addConstantInt32(0);
break;
}
default:
llvm_unreachable("Not a nominal type");
break;
}
}
static unsigned getIndexForValueDecl(ValueDecl *Decl) {
NominalTypeDecl *D = cast<NominalTypeDecl>(Decl->getDeclContext());
unsigned i = 0;
for (auto *V : D->getStoredProperties()) {
if (V == Decl)
return i;
++i;
}
llvm_unreachable("Failed to find Decl in its decl context?!");
}
void layout() {
using swift::reflection::FieldDescriptorKind;
PrettyStackTraceDecl DebugStack("emitting field type metadata", NTD);
auto type = NTD->getDeclaredType()->getCanonicalType();
addTypeRef(NTD->getModuleContext(), type);
if (NTD->hasClangNode() &&
!isa<ClassDecl>(NTD) &&
!isa<ProtocolDecl>(NTD))
return;
switch (NTD->getKind()) {
case DeclKind::Class:
case DeclKind::Struct: {
auto kind = FieldDescriptorKind::Struct;
if (auto CD = dyn_cast<ClassDecl>(NTD)) {
auto RC = getReferenceCountingForClass(IGM, const_cast<ClassDecl *>(CD));
if (RC == ReferenceCounting::ObjC)
kind = FieldDescriptorKind::ObjCClass;
else
kind = FieldDescriptorKind::Class;
}
addConstantInt16(uint16_t(kind));
addConstantInt16(fieldRecordSize);
// Imported classes don't need field descriptors
if (NTD->hasClangNode()) {
assert(isa<ClassDecl>(NTD));
addConstantInt32(0);
break;
}
auto properties = NTD->getStoredProperties();
addConstantInt32(std::distance(properties.begin(), properties.end()));
for (auto property : properties)
addFieldDecl(property,
property->getInterfaceType()
->getCanonicalType());
break;
}
case DeclKind::Enum: {
auto enumDecl = cast<EnumDecl>(NTD);
auto cases = enumDecl->getAllElements();
addConstantInt16(uint16_t(FieldDescriptorKind::Enum));
addConstantInt16(fieldRecordSize);
addConstantInt32(std::distance(cases.begin(), cases.end()));
for (auto enumCase : cases) {
if (enumCase->hasArgumentType()) {
addFieldDecl(enumCase,
enumCase->getArgumentInterfaceType()
->getCanonicalType());
} else {
addFieldDecl(enumCase, CanType());
}
}
break;
}
case DeclKind::Protocol: {
auto protocolDecl = cast<ProtocolDecl>(NTD);
FieldDescriptorKind Kind;
if (protocolDecl->isObjC())
Kind = FieldDescriptorKind::ObjCProtocol;
else if (protocolDecl->requiresClass())
Kind = FieldDescriptorKind::ClassProtocol;
else
Kind = FieldDescriptorKind::Protocol;
addConstantInt16(uint16_t(Kind));
addConstantInt16(fieldRecordSize);
addConstantInt32(0);
break;
}
default:
llvm_unreachable("Not a nominal type");
break;
}
}
