1 files changed, 205 insertions, 0 deletions
diff --git a/js/src/vm/BuiltinObjectKind.cpp b/js/src/vm/BuiltinObjectKind.cpp
new file mode 100644
index 0000000000..dbc6a9ccdc
--- /dev/null
+++ b/js/src/vm/BuiltinObjectKind.cpp
@@ -0,0 +1,205 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "vm/BuiltinObjectKind.h"
+
+#include "jspubtd.h"
+
+#include "frontend/ParserAtom.h"
+#include "vm/GlobalObject.h"
+
+using namespace js;
+
+static JSProtoKey ToProtoKey(BuiltinObjectKind kind) {
+  switch (kind) {
+    case BuiltinObjectKind::Array:
+      return JSProto_Array;
+    case BuiltinObjectKind::ArrayBuffer:
+      return JSProto_ArrayBuffer;
+    case BuiltinObjectKind::Int32Array:
+      return JSProto_Int32Array;
+    case BuiltinObjectKind::Iterator:
+      return JSProto_Iterator;
+    case BuiltinObjectKind::Map:
+      return JSProto_Map;
+    case BuiltinObjectKind::Promise:
+      return JSProto_Promise;
+    case BuiltinObjectKind::RegExp:
+      return JSProto_RegExp;
+    case BuiltinObjectKind::Set:
+      return JSProto_Set;
+    case BuiltinObjectKind::SharedArrayBuffer:
+      return JSProto_SharedArrayBuffer;
+    case BuiltinObjectKind::Symbol:
+      return JSProto_Symbol;
+
+    case BuiltinObjectKind::FunctionPrototype:
+      return JSProto_Function;
+    case BuiltinObjectKind::ObjectPrototype:
+      return JSProto_Object;
+    case BuiltinObjectKind::RegExpPrototype:
+      return JSProto_RegExp;
+    case BuiltinObjectKind::StringPrototype:
+      return JSProto_String;
+
+    case BuiltinObjectKind::DateTimeFormatPrototype:
+      return JSProto_DateTimeFormat;
+    case BuiltinObjectKind::NumberFormatPrototype:
+      return JSProto_NumberFormat;
+
+    case BuiltinObjectKind::None:
+      break;
+  }
+  MOZ_CRASH("Unexpected builtin object kind");
+}
+
+static bool IsPrototype(BuiltinObjectKind kind) {
+  switch (kind) {
+    case BuiltinObjectKind::Array:
+    case BuiltinObjectKind::ArrayBuffer:
+    case BuiltinObjectKind::Int32Array:
+    case BuiltinObjectKind::Iterator:
+    case BuiltinObjectKind::Map:
+    case BuiltinObjectKind::Promise:
+    case BuiltinObjectKind::RegExp:
+    case BuiltinObjectKind::Set:
+    case BuiltinObjectKind::SharedArrayBuffer:
+    case BuiltinObjectKind::Symbol:
+      return false;
+
+    case BuiltinObjectKind::FunctionPrototype:
+    case BuiltinObjectKind::ObjectPrototype:
+    case BuiltinObjectKind::RegExpPrototype:
+    case BuiltinObjectKind::StringPrototype:
+      return true;
+
+    case BuiltinObjectKind::DateTimeFormatPrototype:
+    case BuiltinObjectKind::NumberFormatPrototype:
+      return true;
+
+    case BuiltinObjectKind::None:
+      break;
+  }
+  MOZ_CRASH("Unexpected builtin object kind");
+}
+
+BuiltinObjectKind js::BuiltinConstructorForName(
+    frontend::TaggedParserAtomIndex name) {
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Array()) {
+    return BuiltinObjectKind::Array;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::ArrayBuffer()) {
+    return BuiltinObjectKind::ArrayBuffer;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Int32Array()) {
+    return BuiltinObjectKind::Int32Array;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Iterator()) {
+    return BuiltinObjectKind::Iterator;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Map()) {
+    return BuiltinObjectKind::Map;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Promise()) {
+    return BuiltinObjectKind::Promise;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::RegExp()) {
+    return BuiltinObjectKind::RegExp;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Set()) {
+    return BuiltinObjectKind::Set;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::SharedArrayBuffer()) {
+    return BuiltinObjectKind::SharedArrayBuffer;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Symbol()) {
+    return BuiltinObjectKind::Symbol;
+  }
+  return BuiltinObjectKind::None;
+}
+
+BuiltinObjectKind js::BuiltinPrototypeForName(
+    frontend::TaggedParserAtomIndex name) {
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Function()) {
+    return BuiltinObjectKind::FunctionPrototype;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::Object()) {
+    return BuiltinObjectKind::ObjectPrototype;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::RegExp()) {
+    return BuiltinObjectKind::RegExpPrototype;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::String()) {
+    return BuiltinObjectKind::StringPrototype;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::DateTimeFormat()) {
+    return BuiltinObjectKind::DateTimeFormatPrototype;
+  }
+  if (name == frontend::TaggedParserAtomIndex::WellKnown::NumberFormat()) {
+    return BuiltinObjectKind::NumberFormatPrototype;
+  }
+  return BuiltinObjectKind::None;
+}
+
+JSObject* js::MaybeGetBuiltinObject(GlobalObject* global,
+                                    BuiltinObjectKind kind) {
+  JSProtoKey key = ToProtoKey(kind);
+  if (IsPrototype(kind)) {
+    return global->maybeGetPrototype(key);
+  }
+  return global->maybeGetConstructor(key);
+}
+
+JSObject* js::GetOrCreateBuiltinObject(JSContext* cx, BuiltinObjectKind kind) {
+  JSProtoKey key = ToProtoKey(kind);
+  if (IsPrototype(kind)) {
+    return GlobalObject::getOrCreatePrototype(cx, key);
+  }
+  return GlobalObject::getOrCreateConstructor(cx, key);
+}
+
+const char* js::BuiltinObjectName(BuiltinObjectKind kind) {
+  switch (kind) {
+    case BuiltinObjectKind::Array:
+      return "Array";
+    case BuiltinObjectKind::ArrayBuffer:
+      return "ArrayBuffer";
+    case BuiltinObjectKind::Int32Array:
+      return "Int32Array";
+    case BuiltinObjectKind::Iterator:
+      return "Iterator";
+    case BuiltinObjectKind::Map:
+      return "Map";
+    case BuiltinObjectKind::Promise:
+      return "Promise";
+    case BuiltinObjectKind::RegExp:
+      return "RegExp";
+    case BuiltinObjectKind::SharedArrayBuffer:
+      return "SharedArrayBuffer";
+    case BuiltinObjectKind::Set:
+      return "Set";
+    case BuiltinObjectKind::Symbol:
+      return "Symbol";
+
+    case BuiltinObjectKind::FunctionPrototype:
+      return "Function.prototype";
+    case BuiltinObjectKind::ObjectPrototype:
+      return "Object.prototype";
+    case BuiltinObjectKind::RegExpPrototype:
+      return "RegExp.prototype";
+    case BuiltinObjectKind::StringPrototype:
+      return "String.prototype";
+
+    case BuiltinObjectKind::DateTimeFormatPrototype:
+      return "DateTimeFormat.prototype";
+    case BuiltinObjectKind::NumberFormatPrototype:
+      return "NumberFormat.prototype";
+
+    case BuiltinObjectKind::None:
+      break;
+  }
+  MOZ_CRASH("Unexpected builtin object kind");
+}