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Add process.getCurrentStackTrace(), returning V8::getCurrentStackTrace().

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This commit is contained in:
Cheng Zhao 2013-09-26 13:31:17 +08:00
parent b3a2302283
commit 2b9a533d1d
3 changed files with 43 additions and 0 deletions
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38
common/api/atom_bindings.cc
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@ -7,17 +7,35 @@
#include "base/debug/debugger.h"
#include "base/logging.h"
#include "common/atom_version.h"
#include "common/v8_conversions.h"
#include "vendor/node/src/node.h"
namespace atom {
namespace {
static int kMaxCallStackSize = 200; // Same with WebKit.
static uv_async_t dummy_uv_handle;
void UvNoOp(uv_async_t* handle, int status) {
}
v8::Handle<v8::Object> DumpStackFrame(v8::Handle<v8::StackFrame> stack_frame) {
v8::Local<v8::Object> result = v8::Object::New();
result->Set(ToV8Value("line"), ToV8Value(stack_frame->GetLineNumber()));
result->Set(ToV8Value("column"), ToV8Value(stack_frame->GetColumn()));
v8::Handle<v8::String> script = stack_frame->GetScriptName();
if (!script.IsEmpty())
result->Set(ToV8Value("script"), script);
v8::Handle<v8::String> function = stack_frame->GetScriptNameOrSourceURL();
if (!function.IsEmpty())
result->Set(ToV8Value("function"), function);
return result;
}
} // namespace
// Defined in atom_extensions.cc.
@ -37,6 +55,7 @@ void AtomBindings::BindTo(v8::Handle<v8::Object> process) {
node::SetMethod(process, "crash", Crash);
node::SetMethod(process, "activateUvLoop", ActivateUVLoop);
node::SetMethod(process, "log", Log);
node::SetMethod(process, "getCurrentStackTrace", GetCurrentStackTrace);
process->Get(v8::String::New("versions"))->ToObject()->
Set(v8::String::New("atom-shell"), v8::String::New(ATOM_VERSION_STRING));
@ -111,4 +130,23 @@ v8::Handle<v8::Value> AtomBindings::Log(const v8::Arguments& args) {
return v8::Undefined();
}
// static
v8::Handle<v8::Value> AtomBindings::GetCurrentStackTrace(
const v8::Arguments& args) {
v8::HandleScope scope;
int stack_limit = kMaxCallStackSize;
FromV8Arguments(args, &stack_limit);
v8::Local<v8::StackTrace> stack_trace = v8::StackTrace::CurrentStackTrace(
stack_limit, v8::StackTrace::kDetailed);
int frame_count = stack_trace->GetFrameCount();
v8::Local<v8::Array> result = v8::Array::New(frame_count);
for (int i = 0; i < frame_count; ++i)
result->Set(i, DumpStackFrame(stack_trace->GetFrame(i)));
return scope.Close(result);
}
} // namespace atom