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// Copyright 2017 the V8 project 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 "src/d8-console.h"
#include "src/d8.h"
namespace v8 {
namespace {
void WriteToFile(FILE* file, Isolate* isolate,
const debug::ConsoleCallArguments& args) {
for (int i = 0; i < args.Length(); i++) {
HandleScope handle_scope(isolate);
if (i != 0) fprintf(file, " ");
// Explicitly catch potential exceptions in toString().
v8::TryCatch try_catch(isolate);
Local<Value> arg = args[i];
Local<String> str_obj;
if (arg->IsSymbol()) arg = Local<Symbol>::Cast(arg)->Name();
if (!arg->ToString(isolate->GetCurrentContext()).ToLocal(&str_obj)) {
Shell::ReportException(isolate, &try_catch);
return;
}
v8::String::Utf8Value str(str_obj);
int n = static_cast<int>(fwrite(*str, sizeof(**str), str.length(), file));
if (n != str.length()) {
printf("Error in fwrite\n");
Shell::Exit(1);
}
}
fprintf(file, "\n");
}
} // anonymous namespace
D8Console::D8Console(Isolate* isolate) : isolate_(isolate) {
default_timer_ = base::TimeTicks::HighResolutionNow();
}
void D8Console::Log(const debug::ConsoleCallArguments& args) {
WriteToFile(stdout, isolate_, args);
}
void D8Console::Error(const debug::ConsoleCallArguments& args) {
WriteToFile(stderr, isolate_, args);
}
void D8Console::Warn(const debug::ConsoleCallArguments& args) {
WriteToFile(stdout, isolate_, args);
}
void D8Console::Info(const debug::ConsoleCallArguments& args) {
WriteToFile(stdout, isolate_, args);
}
void D8Console::Debug(const debug::ConsoleCallArguments& args) {
WriteToFile(stdout, isolate_, args);
}
void D8Console::Time(const debug::ConsoleCallArguments& args) {
if (args.Length() == 0) {
default_timer_ = base::TimeTicks::HighResolutionNow();
} else {
Local<Value> arg = args[0];
Local<String> label;
v8::TryCatch try_catch(isolate_);
if (!arg->ToString(isolate_->GetCurrentContext()).ToLocal(&label)) {
Shell::ReportException(isolate_, &try_catch);
return;
}
v8::String::Utf8Value utf8(label);
std::string string(*utf8);
auto find = timers_.find(string);
if (find != timers_.end()) {
find->second = base::TimeTicks::HighResolutionNow();
} else {
timers_.insert(std::pair<std::string, base::TimeTicks>(
string, base::TimeTicks::HighResolutionNow()));
}
}
}
void D8Console::TimeEnd(const debug::ConsoleCallArguments& args) {
base::TimeDelta delta;
base::TimeTicks now = base::TimeTicks::HighResolutionNow();
if (args.Length() == 0) {
delta = base::TimeTicks::HighResolutionNow() - default_timer_;
printf("default: ");
} else {
Local<Value> arg = args[0];
Local<String> label;
v8::TryCatch try_catch(isolate_);
if (!arg->ToString(isolate_->GetCurrentContext()).ToLocal(&label)) {
Shell::ReportException(isolate_, &try_catch);
return;
}
v8::String::Utf8Value utf8(label);
std::string string(*utf8);
auto find = timers_.find(string);
if (find != timers_.end()) {
delta = now - find->second;
}
printf("%s: ", *utf8);
}
printf("%f\n", delta.InMillisecondsF());
}
} // namespace v8
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