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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 global.Proxy = new $Object(); | 28 global.Proxy = new $Object(); |
29 | 29 |
30 var $Proxy = global.Proxy | 30 var $Proxy = global.Proxy |
31 | 31 |
32 $Proxy.create = function(handler, proto) { | 32 $Proxy.create = function(handler, proto) { |
33 if (!IS_SPEC_OBJECT(handler)) | 33 if (!IS_SPEC_OBJECT(handler)) |
34 throw MakeTypeError("handler_non_object", ["create"]) | 34 throw MakeTypeError("handler_non_object", ["create"]) |
35 if (!IS_SPEC_OBJECT(proto)) proto = null // Mozilla does this... | 35 if (IS_UNDEFINED(proto)) |
36 proto = null | |
37 else if (!(IS_SPEC_OBJECT(proto) || proto === null)) | |
38 throw MakeTypeError("proto_non_object", ["create"]) | |
36 return %CreateJSProxy(handler, proto) | 39 return %CreateJSProxy(handler, proto) |
37 } | 40 } |
38 | 41 |
39 $Proxy.createFunction = function(handler, callTrap, constructTrap) { | 42 $Proxy.createFunction = function(handler, callTrap, constructTrap) { |
40 if (!IS_SPEC_OBJECT(handler)) | 43 if (!IS_SPEC_OBJECT(handler)) |
41 throw MakeTypeError("handler_non_object", ["create"]) | 44 throw MakeTypeError("handler_non_object", ["create"]) |
42 if (!IS_SPEC_FUNCTION(callTrap)) | 45 if (!IS_SPEC_FUNCTION(callTrap)) |
43 throw MakeTypeError("trap_function_expected", ["createFunction", "call"]) | 46 throw MakeTypeError("trap_function_expected", ["createFunction", "call"]) |
44 var construct | 47 var construct |
Michael Starzinger
2011/10/13 16:22:48
I think that "var" can be removed now.
rossberg
2011/10/24 15:59:49
Done.
| |
45 if (IS_UNDEFINED(constructTrap)) { | 48 if (IS_UNDEFINED(constructTrap)) { |
46 construct = DerivedConstructTrap(callTrap) | 49 constructTrap = DerivedConstructTrap(callTrap) |
47 } else if (IS_SPEC_FUNCTION(constructTrap)) { | 50 } else if (!IS_SPEC_FUNCTION(constructTrap)) { |
48 construct = function() { | |
49 // Make sure the trap receives 'undefined' as this. | |
50 return %Apply(constructTrap, void 0, arguments, 0, %_ArgumentsLength()); | |
51 } | |
52 } else { | |
53 throw MakeTypeError("trap_function_expected", | 51 throw MakeTypeError("trap_function_expected", |
54 ["createFunction", "construct"]) | 52 ["createFunction", "construct"]) |
55 } | 53 } |
56 return %CreateJSFunctionProxy( | 54 return %CreateJSFunctionProxy( |
57 handler, callTrap, construct, $Function.prototype) | 55 handler, callTrap, constructTrap, $Function.prototype) |
58 } | 56 } |
59 | 57 |
60 | 58 |
61 | 59 |
62 //////////////////////////////////////////////////////////////////////////////// | 60 //////////////////////////////////////////////////////////////////////////////// |
63 // Builtins | 61 // Builtins |
64 //////////////////////////////////////////////////////////////////////////////// | 62 //////////////////////////////////////////////////////////////////////////////// |
65 | 63 |
66 function DerivedConstructTrap(callTrap) { | 64 function DerivedConstructTrap(callTrap) { |
67 return function() { | 65 return function() { |
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152 var names = this.getOwnPropertyNames() | 150 var names = this.getOwnPropertyNames() |
153 var enumerableNames = [] | 151 var enumerableNames = [] |
154 for (var i = 0, count = 0; i < names.length; ++i) { | 152 for (var i = 0, count = 0; i < names.length; ++i) { |
155 var name = names[i] | 153 var name = names[i] |
156 if (this.getOwnPropertyDescriptor(TO_STRING_INLINE(name)).enumerable) { | 154 if (this.getOwnPropertyDescriptor(TO_STRING_INLINE(name)).enumerable) { |
157 enumerableNames[count++] = names[i] | 155 enumerableNames[count++] = names[i] |
158 } | 156 } |
159 } | 157 } |
160 return enumerableNames | 158 return enumerableNames |
161 } | 159 } |
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