blob: cbfc721808ab74bf0680c5fedf389b7233d2c66f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "webkit/extensions/v8/profiler_extension.h"
#include "base/profiler.h"
namespace extensions_v8 {
const char* kProfilerExtensionName = "v8/Profiler";
class ProfilerWrapper : public v8::Extension {
public:
ProfilerWrapper() :
v8::Extension(kProfilerExtensionName,
"if (typeof(chromium) == 'undefined') {"
" chromium = {};"
"}"
"chromium.Profiler = function() {"
" native function ProfilerStart();"
" native function ProfilerStop();"
" native function ProfilerFlush();"
" native function ProfilerClearData();"
" native function ProfilerSetThreadName();"
" this.start = function() {"
" ProfilerStart();"
" };"
" this.stop = function() {"
" ProfilerStop();"
" };"
" this.clear = function() {"
" ProfilerClearData();"
" };"
" this.flush = function() {"
" ProfilerFlush();"
" };"
" this.setThreadName = function(name) {"
" ProfilerSetThreadName(name);"
" };"
"};") {}
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
v8::Handle<v8::String> name) {
if (name->Equals(v8::String::New("ProfilerStart"))) {
return v8::FunctionTemplate::New(ProfilerStart);
} else if (name->Equals(v8::String::New("ProfilerStop"))) {
return v8::FunctionTemplate::New(ProfilerStop);
} else if (name->Equals(v8::String::New("ProfilerClearData"))) {
return v8::FunctionTemplate::New(ProfilerClearData);
} else if (name->Equals(v8::String::New("ProfilerFlush"))) {
return v8::FunctionTemplate::New(ProfilerFlush);
} else if (name->Equals(v8::String::New("ProfilerSetThreadName"))) {
return v8::FunctionTemplate::New(ProfilerSetThreadName);
}
return v8::Handle<v8::FunctionTemplate>();
}
static v8::Handle<v8::Value> ProfilerStart(
const v8::Arguments& args) {
base::Profiler::StartRecording();
return v8::Undefined();
}
static v8::Handle<v8::Value> ProfilerStop(
const v8::Arguments& args) {
base::Profiler::StopRecording();
return v8::Undefined();
}
static v8::Handle<v8::Value> ProfilerClearData(
const v8::Arguments& args) {
base::Profiler::ClearData();
return v8::Undefined();
}
static v8::Handle<v8::Value> ProfilerFlush(
const v8::Arguments& args) {
base::Profiler::Flush();
return v8::Undefined();
}
static v8::Handle<v8::Value> ProfilerSetThreadName(
const v8::Arguments& args) {
if (args.Length() >= 1 && args[0]->IsString()) {
v8::Local<v8::String> inputString = args[0]->ToString();
char nameBuffer[256];
inputString->WriteAscii(nameBuffer, 0, sizeof(nameBuffer)-1);
base::Profiler::SetThreadName(nameBuffer);
}
return v8::Undefined();
}
};
v8::Extension* ProfilerExtension::Get() {
return new ProfilerWrapper();
}
} // namespace extensions_v8
|
