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Unified Diff: src/proxy.js

Issue 1398733002: Move builtin JavaScript sources into own directory. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Also move macros.py file. Created 5 years, 2 months ago
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Index: src/proxy.js
diff --git a/src/proxy.js b/src/proxy.js
deleted file mode 100644
index cc45b32b3df6503a7d86b6d6975778ebe7e07519..0000000000000000000000000000000000000000
--- a/src/proxy.js
+++ /dev/null
@@ -1,210 +0,0 @@
-// Copyright 2011 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.
-
-(function(global, utils) {
-
-"use strict";
-
-%CheckIsBootstrapping();
-
-// ----------------------------------------------------------------------------
-// Imports
-
-var GlobalFunction = global.Function;
-var GlobalObject = global.Object;
-
-var ToNameArray;
-
-utils.Import(function(from) {
- ToNameArray = from.ToNameArray;
-});
-
-//----------------------------------------------------------------------------
-
-function ProxyCreate(handler, proto) {
- if (!IS_SPEC_OBJECT(handler))
- throw MakeTypeError(kProxyHandlerNonObject, "create")
- if (IS_UNDEFINED(proto))
- proto = null
- else if (!(IS_SPEC_OBJECT(proto) || IS_NULL(proto)))
- throw MakeTypeError(kProxyProtoNonObject)
- return %CreateJSProxy(handler, proto)
-}
-
-function ProxyCreateFunction(handler, callTrap, constructTrap) {
- if (!IS_SPEC_OBJECT(handler))
- throw MakeTypeError(kProxyHandlerNonObject, "createFunction")
- if (!IS_CALLABLE(callTrap))
- throw MakeTypeError(kProxyTrapFunctionExpected, "call")
- if (IS_UNDEFINED(constructTrap)) {
- constructTrap = DerivedConstructTrap(callTrap)
- } else if (IS_CALLABLE(constructTrap)) {
- // Make sure the trap receives 'undefined' as this.
- var construct = constructTrap
- constructTrap = function() {
- return %Apply(construct, UNDEFINED, arguments, 0, %_ArgumentsLength());
- }
- } else {
- throw MakeTypeError(kProxyTrapFunctionExpected, "construct")
- }
- return %CreateJSFunctionProxy(
- handler, callTrap, constructTrap, GlobalFunction.prototype)
-}
-
-// -------------------------------------------------------------------
-// Proxy Builtins
-
-function DerivedConstructTrap(callTrap) {
- return function() {
- var proto = this.prototype
- if (!IS_SPEC_OBJECT(proto)) proto = GlobalObject.prototype
- var obj = { __proto__: proto };
- var result = %Apply(callTrap, obj, arguments, 0, %_ArgumentsLength());
- return IS_SPEC_OBJECT(result) ? result : obj
- }
-}
-
-function DelegateCallAndConstruct(callTrap, constructTrap) {
- return function() {
- return %Apply(%_IsConstructCall() ? constructTrap : callTrap,
- this, arguments, 0, %_ArgumentsLength())
- }
-}
-
-function DerivedGetTrap(receiver, name) {
- var desc = this.getPropertyDescriptor(name)
- if (IS_UNDEFINED(desc)) { return desc }
- if ('value' in desc) {
- return desc.value
- } else {
- if (IS_UNDEFINED(desc.get)) { return desc.get }
- // The proposal says: desc.get.call(receiver)
- return %_CallFunction(receiver, desc.get)
- }
-}
-
-function DerivedSetTrap(receiver, name, val) {
- var desc = this.getOwnPropertyDescriptor(name)
- if (desc) {
- if ('writable' in desc) {
- if (desc.writable) {
- desc.value = val
- this.defineProperty(name, desc)
- return true
- } else {
- return false
- }
- } else { // accessor
- if (desc.set) {
- // The proposal says: desc.set.call(receiver, val)
- %_CallFunction(receiver, val, desc.set)
- return true
- } else {
- return false
- }
- }
- }
- desc = this.getPropertyDescriptor(name)
- if (desc) {
- if ('writable' in desc) {
- if (desc.writable) {
- // fall through
- } else {
- return false
- }
- } else { // accessor
- if (desc.set) {
- // The proposal says: desc.set.call(receiver, val)
- %_CallFunction(receiver, val, desc.set)
- return true
- } else {
- return false
- }
- }
- }
- this.defineProperty(name, {
- value: val,
- writable: true,
- enumerable: true,
- configurable: true});
- return true;
-}
-
-function DerivedHasTrap(name) {
- return !!this.getPropertyDescriptor(name)
-}
-
-function DerivedHasOwnTrap(name) {
- return !!this.getOwnPropertyDescriptor(name)
-}
-
-function DerivedKeysTrap() {
- var names = this.getOwnPropertyNames()
- var enumerableNames = []
- for (var i = 0, count = 0; i < names.length; ++i) {
- var name = names[i]
- if (IS_SYMBOL(name)) continue
- var desc = this.getOwnPropertyDescriptor(TO_STRING(name))
- if (!IS_UNDEFINED(desc) && desc.enumerable) {
- enumerableNames[count++] = names[i]
- }
- }
- return enumerableNames
-}
-
-function DerivedEnumerateTrap() {
- var names = this.getPropertyNames()
- var enumerableNames = []
- for (var i = 0, count = 0; i < names.length; ++i) {
- var name = names[i]
- if (IS_SYMBOL(name)) continue
- var desc = this.getPropertyDescriptor(TO_STRING(name))
- if (!IS_UNDEFINED(desc)) {
- if (!desc.configurable) {
- throw MakeTypeError(kProxyPropNotConfigurable,
- this, name, "getPropertyDescriptor")
- }
- if (desc.enumerable) enumerableNames[count++] = names[i]
- }
- }
- return enumerableNames
-}
-
-function ProxyEnumerate(proxy) {
- var handler = %GetHandler(proxy)
- if (IS_UNDEFINED(handler.enumerate)) {
- return %Apply(DerivedEnumerateTrap, handler, [], 0, 0)
- } else {
- return ToNameArray(handler.enumerate(), "enumerate", false)
- }
-}
-
-//-------------------------------------------------------------------
-
-var Proxy = new GlobalObject();
-%AddNamedProperty(global, "Proxy", Proxy, DONT_ENUM);
-
-//Set up non-enumerable properties of the Proxy object.
-utils.InstallFunctions(Proxy, DONT_ENUM, [
- "create", ProxyCreate,
- "createFunction", ProxyCreateFunction
-])
-
-// -------------------------------------------------------------------
-// Exports
-
-utils.Export(function(to) {
- to.ProxyDelegateCallAndConstruct = DelegateCallAndConstruct;
- to.ProxyDerivedHasOwnTrap = DerivedHasOwnTrap;
- to.ProxyDerivedKeysTrap = DerivedKeysTrap;
-});
-
-%InstallToContext([
- "derived_get_trap", DerivedGetTrap,
- "derived_has_trap", DerivedHasTrap,
- "derived_set_trap", DerivedSetTrap,
- "proxy_enumerate", ProxyEnumerate,
-]);
-
-})
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