Move FieldType to separate h/cc files.

src/types.cc

Index: src/types.cc
diff --git a/src/types.cc b/src/types.cc
index 1515ec51a4bbef3b2a9bb5b9eba6ec66319af297..d54826e34efc9a1c97d15a5bb3f9fbf89b74f4ae 100644
--- a/src/types.cc
+++ b/src/types.cc
@@ -1258,93 +1258,6 @@ void BitsetType::Print(bitset bits) {
 }
 #endif
 
-// static
-FieldType* FieldType::None() {
-  return reinterpret_cast<FieldType*>(Smi::FromInt(0));
-}
-
-// static
-FieldType* FieldType::Any() {
-  return reinterpret_cast<FieldType*>(Smi::FromInt(1));
-}
-
-// static
-Handle<FieldType> FieldType::None(Isolate* isolate) {
-  return handle(None(), isolate);
-}
-
-// static
-Handle<FieldType> FieldType::Any(Isolate* isolate) {
-  return handle(Any(), isolate);
-}
-
-// static
-FieldType* FieldType::Class(i::Map* map) { return FieldType::cast(map); }
-
-// static
-Handle<FieldType> FieldType::Class(i::Handle<i::Map> map, Isolate* isolate) {
-  return handle(Class(*map), isolate);
-}
-
-// static
-FieldType* FieldType::cast(Object* object) {
-  DCHECK(object == None() || object == Any() || object->IsMap());
-  return reinterpret_cast<FieldType*>(object);
-}
-
-bool FieldType::NowContains(Object* value) {
-  if (this == Any()) return true;
-  if (this == None()) return false;
-  if (!value->IsHeapObject()) return false;
-  return HeapObject::cast(value)->map() == Map::cast(this);
-}
-
-bool FieldType::NowContains(Handle<Object> value) {
-  return NowContains(*value);
-}
-
-bool FieldType::IsClass() { return this->IsMap(); }
-
-Handle<i::Map> FieldType::AsClass() {
-  DCHECK(IsClass());
-  i::Map* map = Map::cast(this);
-  return handle(map, map->GetIsolate());
-}
-
-bool FieldType::NowStable() {
-  return !this->IsClass() || this->AsClass()->is_stable();
-}
-
-bool FieldType::NowIs(FieldType* other) {
-  if (other->IsAny()) return true;
-  if (IsNone()) return true;
-  if (other->IsNone()) return false;
-  if (IsAny()) return false;
-  DCHECK(IsClass());
-  DCHECK(other->IsClass());
-  return this == other;
-}
-
-bool FieldType::NowIs(Handle<FieldType> other) { return NowIs(*other); }
-
-Type* FieldType::Convert(Zone* zone) {
-  if (IsAny()) return Type::Any();
-  if (IsNone()) return Type::None();
-  DCHECK(IsClass());
-  return Type::Class(AsClass(), zone);
-}
-
-void FieldType::PrintTo(std::ostream& os) {
-  if (IsAny()) {
-    os << "Any";
-  } else if (IsNone()) {
-    os << "None";
-  } else {
-    DCHECK(IsClass());
-    os << "Class(" << static_cast<void*>(*AsClass()) << ")";
-  }
-}
-
 BitsetType::bitset BitsetType::SignedSmall() {
   return i::SmiValuesAre31Bits() ? kSigned31 : kSigned32;
 }