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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 "use strict"; | 5 "use strict"; |
6 | 6 |
7 var callSiteCache = new $Map; | 7 var callSiteCache = new $Map; |
8 | 8 |
9 function SameCallSiteElements(rawStrings, other) { | 9 function SameCallSiteElements(rawStrings, other) { |
10 var length = rawStrings.length; | 10 var length = rawStrings.length; |
11 var other = other.raw; | 11 var other = other.raw; |
12 | 12 |
13 if (length !== other.length) return false; | 13 if (length !== other.length) return false; |
14 | 14 |
15 for (var i = 0; i < length; ++i) { | 15 for (var i = 0; i < length; ++i) { |
16 if (rawStrings[i] !== other[i]) return false; | 16 if (rawStrings[i] !== other[i]) return false; |
17 } | 17 } |
18 | 18 |
19 return true; | 19 return true; |
20 } | 20 } |
21 | 21 |
22 | 22 |
23 function GetCachedCallSite(siteObj, hash) { | 23 function GetCachedCallSite(siteObj, hash) { |
24 var obj = %MapGet(callSiteCache, hash); | 24 var obj = %_CallFunction(callSiteCache, hash, $MapGet); |
caitp (gmail)
2015/03/25 12:56:27
Couldn't we just call MapGet() (and others) direct
adamk
2015/03/25 15:43:06
MapGet is now inside a closure, so it's not visibl
caitp (gmail)
2015/03/25 15:46:24
I mean, you have a reference to $MapGet, otherwise
adamk
2015/03/25 16:13:36
Not sure what you're saying. I could have called "
adamk
2015/03/25 16:14:24
Or are you asking about the use of %_CallFunction(
caitp (gmail)
2015/03/25 16:31:50
OH --- derp, you're right. Course, this map here i
| |
25 | 25 |
26 if (IS_UNDEFINED(obj)) return; | 26 if (IS_UNDEFINED(obj)) return; |
27 | 27 |
28 var length = obj.length; | 28 var length = obj.length; |
29 for (var i = 0; i < length; ++i) { | 29 for (var i = 0; i < length; ++i) { |
30 if (SameCallSiteElements(siteObj, obj[i])) return obj[i]; | 30 if (SameCallSiteElements(siteObj, obj[i])) return obj[i]; |
31 } | 31 } |
32 } | 32 } |
33 | 33 |
34 | 34 |
35 function SetCachedCallSite(siteObj, hash) { | 35 function SetCachedCallSite(siteObj, hash) { |
36 var obj = %MapGet(callSiteCache, hash); | 36 var obj = %_CallFunction(callSiteCache, hash, $MapGet); |
37 var array; | 37 var array; |
38 | 38 |
39 if (IS_UNDEFINED(obj)) { | 39 if (IS_UNDEFINED(obj)) { |
40 array = new InternalArray(1); | 40 array = new InternalArray(1); |
41 array[0] = siteObj; | 41 array[0] = siteObj; |
42 %MapSet(callSiteCache, hash, array); | 42 %_CallFunction(callSiteCache, hash, array, $MapSet); |
43 } else { | 43 } else { |
44 obj.push(siteObj); | 44 obj.push(siteObj); |
45 } | 45 } |
46 | 46 |
47 return siteObj; | 47 return siteObj; |
48 } | 48 } |
49 | 49 |
50 | 50 |
51 function GetTemplateCallSite(siteObj, rawStrings, hash) { | 51 function GetTemplateCallSite(siteObj, rawStrings, hash) { |
52 var cached = GetCachedCallSite(rawStrings, hash); | 52 var cached = GetCachedCallSite(rawStrings, hash); |
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85 function ExtendStringForTemplates() { | 85 function ExtendStringForTemplates() { |
86 %CheckIsBootstrapping(); | 86 %CheckIsBootstrapping(); |
87 | 87 |
88 // Set up the non-enumerable functions on the String object. | 88 // Set up the non-enumerable functions on the String object. |
89 InstallFunctions($String, DONT_ENUM, $Array( | 89 InstallFunctions($String, DONT_ENUM, $Array( |
90 "raw", StringRaw | 90 "raw", StringRaw |
91 )); | 91 )); |
92 } | 92 } |
93 | 93 |
94 ExtendStringForTemplates(); | 94 ExtendStringForTemplates(); |
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