webkit/extensions/v8/profiler_extension.cc - Issue 10117022: Cleanup of v8 extension stuff. Playback extension is only used in chrome, so move it to chrome\rend…

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Issue 10117022: Cleanup of v8 extension stuff. Playback extension is only used in chrome, so move it to chrome\rend… (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: Created 8 years, 8 months ago

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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "webkit/extensions/v8/profiler_extension.h"

6

7 #include "build/build_config.h"

8 #include "v8/include/v8.h"

9

10 #if defined(USE_TCMALLOC) && defined(OS_POSIX) && !defined(OS_MACOSX)

11 #include "third_party/tcmalloc/chromium/src/gperftools/profiler.h"

12 #endif

13

14 const char kProfilerExtensionName[] = "v8/Profiler";

15

16 namespace extensions_v8 {

17

18 class ProfilerWrapper : public v8::Extension {

19 public:

20 ProfilerWrapper() :

21 v8::Extension(kProfilerExtensionName,

22 "if (typeof(chromium) == 'undefined') {"

23 " chromium = {};"

24 "}"

25 "chromium.Profiler = function() {"

26 " native function ProfilerStart();"

27 " native function ProfilerStop();"

28 " native function ProfilerFlush();"

29 " native function ProfilerClearData();"

30 " native function ProfilerSetThreadName();"

31 " this.start = function() {"

32 " ProfilerStart();"

33 " };"

34 " this.stop = function() {"

35 " ProfilerStop();"

36 " };"

37 " this.clear = function() {"

38 " ProfilerClearData();"

39 " };"

40 " this.flush = function() {"

41 " ProfilerFlush();"

42 " };"

43 " this.setThreadName = function(name) {"

44 " ProfilerSetThreadName(name);"

45 " };"

46 "};") {}

47

48 virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(

49 v8::Handle<v8::String> name) {

50 if (name->Equals(v8::String::New("ProfilerStart")))

51 return v8::FunctionTemplate::New(ProfilerStart);

52 else if (name->Equals(v8::String::New("ProfilerStop")))

53 return v8::FunctionTemplate::New(ProfilerStop);

54 else if (name->Equals(v8::String::New("ProfilerClearData")))

55 return v8::FunctionTemplate::New(ProfilerClearData);

56 else if (name->Equals(v8::String::New("ProfilerFlush")))

57 return v8::FunctionTemplate::New(ProfilerFlush);

58 else if (name->Equals(v8::String::New("ProfilerSetThreadName")))

59 return v8::FunctionTemplate::New(ProfilerSetThreadName);

60

61 return v8::Handle<v8::FunctionTemplate>();

62 }

63

64 static v8::Handle<v8::Value> ProfilerStart(const v8::Arguments& args) {

65 #if defined(USE_TCMALLOC) && defined(OS_POSIX) && !defined(OS_MACOSX)

66 ::ProfilerStart("chrome-profile");

67 #endif

68 return v8::Undefined();

69 }

70

71 static v8::Handle<v8::Value> ProfilerStop(const v8::Arguments& args) {

72 #if defined(USE_TCMALLOC) && defined(OS_POSIX) && !defined(OS_MACOSX)

73 ::ProfilerStop();

74 #endif

75 return v8::Undefined();

76 }

77

78 static v8::Handle<v8::Value> ProfilerClearData(const v8::Arguments& args) {

79 return v8::Undefined();

80 }

81

82 static v8::Handle<v8::Value> ProfilerFlush(const v8::Arguments& args) {

83 #if defined(USE_TCMALLOC) && defined(OS_POSIX) && !defined(OS_MACOSX)

84 ::ProfilerFlush();

85 #endif

86 return v8::Undefined();

87 }

88

89 static v8::Handle<v8::Value> ProfilerSetThreadName(

90 const v8::Arguments& args) {

91 if (args.Length() >= 1 && args[0]->IsString()) {

92 v8::Local<v8::String> inputString = args[0]->ToString();

93 char nameBuffer[256];

94 inputString->WriteAscii(nameBuffer, 0, sizeof(nameBuffer)-1);

95 }

96 return v8::Undefined();

97 }

98 };

99

100 v8::Extension* ProfilerExtension::Get() {

101 return new ProfilerWrapper();

102 }

103

104 } // namespace extensions_v8

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