| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/property.h" |
| |
| #include "src/field-type.h" |
| #include "src/handles-inl.h" |
| #include "src/ostreams.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| std::ostream& operator<<(std::ostream& os, |
| const PropertyAttributes& attributes) { |
| os << "["; |
| os << (((attributes & READ_ONLY) == 0) ? "W" : "_"); // writable |
| os << (((attributes & DONT_ENUM) == 0) ? "E" : "_"); // enumerable |
| os << (((attributes & DONT_DELETE) == 0) ? "C" : "_"); // configurable |
| os << "]"; |
| return os; |
| } |
| |
| DataDescriptor::DataDescriptor(Handle<Name> key, int field_index, |
| PropertyAttributes attributes, |
| Representation representation) |
| : Descriptor(key, FieldType::Any(key->GetIsolate()), attributes, DATA, |
| representation, field_index) {} |
| |
| struct FastPropertyDetails { |
| explicit FastPropertyDetails(const PropertyDetails& v) : details(v) {} |
| const PropertyDetails details; |
| }; |
| |
| |
| // Outputs PropertyDetails as a dictionary details. |
| std::ostream& operator<<(std::ostream& os, const PropertyDetails& details) { |
| os << "("; |
| if (details.location() == kDescriptor) { |
| os << "immutable "; |
| } |
| os << (details.kind() == kData ? "data" : "accessor"); |
| return os << ", dictionary_index: " << details.dictionary_index() |
| << ", attrs: " << details.attributes() << ")"; |
| } |
| |
| |
| // Outputs PropertyDetails as a descriptor array details. |
| std::ostream& operator<<(std::ostream& os, |
| const FastPropertyDetails& details_fast) { |
| const PropertyDetails& details = details_fast.details; |
| os << "("; |
| if (details.location() == kDescriptor) { |
| os << "immutable "; |
| } |
| os << (details.kind() == kData ? "data" : "accessor"); |
| os << ": " << details.representation().Mnemonic(); |
| if (details.location() == kField) { |
| os << ", field_index: " << details.field_index(); |
| } |
| return os << ", p: " << details.pointer() |
| << ", attrs: " << details.attributes() << ")"; |
| } |
| |
| |
| #ifdef OBJECT_PRINT |
| void PropertyDetails::Print(bool dictionary_mode) { |
| OFStream os(stdout); |
| if (dictionary_mode) { |
| os << *this; |
| } else { |
| os << FastPropertyDetails(*this); |
| } |
| os << "\n" << std::flush; |
| } |
| #endif |
| |
| |
| std::ostream& operator<<(std::ostream& os, const Descriptor& d) { |
| Object* value = *d.GetValue(); |
| os << "Descriptor " << Brief(*d.GetKey()) << " @ " << Brief(value) << " "; |
| if (value->IsAccessorPair()) { |
| AccessorPair* pair = AccessorPair::cast(value); |
| os << "(get: " << Brief(pair->getter()) |
| << ", set: " << Brief(pair->setter()) << ") "; |
| } |
| os << FastPropertyDetails(d.GetDetails()); |
| return os; |
| } |
| |
| } // namespace internal |
| } // namespace v8 |