1// Copyright 2013 the V8 project authors. All rights reserved.
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27//
28// Tests of profiles generator and utilities.
29
30#include "src/base/logging.h"
31#include "test/cctest/profiler-extension.h"
32
33namespace v8 {
34namespace internal {
35
36
37v8::CpuProfile* ProfilerExtension::last_profile = NULL;
38const char* ProfilerExtension::kSource =
39    "native function startProfiling();"
40    "native function stopProfiling();";
41
42v8::Handle<v8::FunctionTemplate> ProfilerExtension::GetNativeFunctionTemplate(
43    v8::Isolate* isolate, v8::Handle<v8::String> name) {
44  if (name->Equals(v8::String::NewFromUtf8(isolate, "startProfiling"))) {
45    return v8::FunctionTemplate::New(isolate,
46                                     ProfilerExtension::StartProfiling);
47  } else if (name->Equals(v8::String::NewFromUtf8(isolate, "stopProfiling"))) {
48    return v8::FunctionTemplate::New(isolate,
49                                     ProfilerExtension::StopProfiling);
50  } else {
51    CHECK(false);
52    return v8::Handle<v8::FunctionTemplate>();
53  }
54}
55
56
57void ProfilerExtension::StartProfiling(
58    const v8::FunctionCallbackInfo<v8::Value>& args) {
59  last_profile = NULL;
60  v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
61  cpu_profiler->StartProfiling((args.Length() > 0)
62      ? args[0].As<v8::String>()
63      : v8::String::Empty(args.GetIsolate()));
64}
65
66
67void ProfilerExtension::StopProfiling(
68    const v8::FunctionCallbackInfo<v8::Value>& args) {
69  v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
70  last_profile = cpu_profiler->StopProfiling((args.Length() > 0)
71      ? args[0].As<v8::String>()
72      : v8::String::Empty(args.GetIsolate()));
73}
74
75} }  // namespace v8::internal
76