DebugTypeInfo DebugTypeInfo::getMetadata(swift::Type Ty, llvm::Type *StorageTy,
Size size, Alignment align) {
DebugTypeInfo DbgTy(nullptr, nullptr, Ty.getPointer(), StorageTy, size,
align);
assert(!DbgTy.isArchetype() && "type metadata cannot contain an archetype");
return DbgTy;
}
/// Determine whether this type has a custom @_alignment attribute.
static bool hasDefaultAlignment(swift::Type Ty) {
if (auto CanTy = Ty->getCanonicalType())
if (auto *TyDecl = CanTy.getNominalOrBoundGenericNominal())
if (TyDecl->getAttrs().getAttribute<AlignmentAttr>())
return false;
return true;
}
DebugTypeInfo::DebugTypeInfo(DeclContext *DC, swift::Type Ty,
llvm::Type *StorageTy, Size size, Alignment align)
: DeclCtx(DC), Type(Ty.getPointer()), StorageType(StorageTy), size(size),
align(align) {
assert((!isArchetype() || (isArchetype() && DC)) &&
"archetype without a declcontext");
assert(StorageType && "StorageType is a nullptr");
assert(align.getValue() != 0);
}
DebugTypeInfo::DebugTypeInfo(DeclContext *DC, GenericEnvironment *GE,
swift::Type Ty, llvm::Type *StorageTy, Size size,
Alignment align, bool HasDefaultAlignment)
: DeclCtx(DC), GenericEnv(GE), Type(Ty.getPointer()),
StorageType(StorageTy), size(size), align(align),
DefaultAlignment(HasDefaultAlignment) {
assert(StorageType && "StorageType is a nullptr");
assert(align.getValue() != 0);
}
DebugTypeInfo DebugTypeInfo::getFromTypeInfo(DeclContext *DC, swift::Type Ty,
const TypeInfo &Info) {
Size size;
if (Info.isFixedSize()) {
const FixedTypeInfo &FixTy = *cast<const FixedTypeInfo>(&Info);
size = FixTy.getFixedSize();
} else {
// FIXME: Handle NonFixedTypeInfo here or assert that we won't
// encounter one.
size = Size(0);
}
return DebugTypeInfo(DC, Ty.getPointer(), Info.getStorageType(), size,
Info.getBestKnownAlignment());
}
CompilerType::CompilerType (swift::ASTContext *ast_context,
swift::Type qual_type) :
m_type(qual_type.getPointer()),
m_type_system(SwiftASTContext::GetSwiftASTContext(ast_context))
{
}