blob: fc76bab7ab2812455fa57726965a03cccee06a5e [file] [log] [blame]
// 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/d8-console.h"
#include "src/d8/d8.h"
#include "src/execution/isolate.h"
namespace v8 {
namespace {
void WriteToFile(const char* prefix, FILE* file, Isolate* isolate,
const debug::ConsoleCallArguments& args) {
if (prefix) fprintf(file, "%s: ", prefix);
for (int i = 0; i < args.Length(); i++) {
HandleScope handle_scope(isolate);
if (i > 0) fprintf(file, " ");
Local<Value> arg = args[i];
Local<String> str_obj;
if (arg->IsSymbol()) arg = Local<Symbol>::Cast(arg)->Description(isolate);
if (!arg->ToString(isolate->GetCurrentContext()).ToLocal(&str_obj)) return;
v8::String::Utf8Value str(isolate, str_obj);
int n = static_cast<int>(fwrite(*str, sizeof(**str), str.length(), file));
if (n != str.length()) {
printf("Error in fwrite\n");
base::OS::ExitProcess(1);
}
}
fprintf(file, "\n");
}
} // anonymous namespace
D8Console::D8Console(Isolate* isolate) : isolate_(isolate) {
default_timer_ = base::TimeTicks::HighResolutionNow();
}
void D8Console::Assert(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
// If no arguments given, the "first" argument is undefined which is
// false-ish.
if (args.Length() > 0 && args[0]->BooleanValue(isolate_)) return;
WriteToFile("console.assert", stdout, isolate_, args);
isolate_->ThrowError("console.assert failed");
}
void D8Console::Log(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
WriteToFile(nullptr, stdout, isolate_, args);
}
void D8Console::Error(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
WriteToFile("console.error", stderr, isolate_, args);
}
void D8Console::Warn(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
WriteToFile("console.warn", stdout, isolate_, args);
}
void D8Console::Info(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
WriteToFile("console.info", stdout, isolate_, args);
}
void D8Console::Debug(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
WriteToFile("console.debug", stdout, isolate_, args);
}
void D8Console::Time(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
if (internal::FLAG_correctness_fuzzer_suppressions) return;
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)) return;
v8::String::Utf8Value utf8(isolate_, 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,
const v8::debug::ConsoleContext&) {
if (internal::FLAG_correctness_fuzzer_suppressions) return;
base::TimeDelta delta;
if (args.Length() == 0) {
delta = base::TimeTicks::HighResolutionNow() - default_timer_;
printf("console.timeEnd: default, %f\n", delta.InMillisecondsF());
} else {
base::TimeTicks now = base::TimeTicks::HighResolutionNow();
Local<Value> arg = args[0];
Local<String> label;
v8::TryCatch try_catch(isolate_);
if (!arg->ToString(isolate_->GetCurrentContext()).ToLocal(&label)) return;
v8::String::Utf8Value utf8(isolate_, label);
std::string string(*utf8);
auto find = timers_.find(string);
if (find != timers_.end()) {
delta = now - find->second;
timers_.erase(find);
}
printf("console.timeEnd: %s, %f\n", *utf8, delta.InMillisecondsF());
}
}
void D8Console::TimeStamp(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
if (internal::FLAG_correctness_fuzzer_suppressions) return;
base::TimeDelta delta = base::TimeTicks::HighResolutionNow() - default_timer_;
if (args.Length() == 0) {
printf("console.timeStamp: default, %f\n", delta.InMillisecondsF());
} else {
Local<Value> arg = args[0];
Local<String> label;
v8::TryCatch try_catch(isolate_);
if (!arg->ToString(isolate_->GetCurrentContext()).ToLocal(&label)) return;
v8::String::Utf8Value utf8(isolate_, label);
std::string string(*utf8);
printf("console.timeStamp: %s, %f\n", *utf8, delta.InMillisecondsF());
}
}
void D8Console::Trace(const debug::ConsoleCallArguments& args,
const v8::debug::ConsoleContext&) {
if (internal::FLAG_correctness_fuzzer_suppressions) return;
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate_);
i_isolate->PrintStack(stderr, i::Isolate::kPrintStackConcise);
}
} // namespace v8