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-rw-r--r--js/src/vm/BuiltinObjectKind.cpp205
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");
+}