ladybird/AK/LogStream.cpp
Andreas Kling 5122caf9a8 LogStream: Prefix userspace dbg() output with "ProcessName(PID): "
Using the new get_process_name() syscall, we can automatically prefix
all userspace debug logging.

Hopefully this is more helpful than annoying. We'll find out! :^)
2019-08-15 20:55:45 +02:00

73 lines
1.8 KiB
C++

#include <AK/AKString.h>
#include <AK/LogStream.h>
#include <AK/StringView.h>
namespace AK {
const LogStream& operator<<(const LogStream& stream, const String& value)
{
stream.write(value.characters(), value.length());
return stream;
}
const LogStream& operator<<(const LogStream& stream, const StringView& value)
{
stream.write(value.characters_without_null_termination(), value.length());
return stream;
}
const LogStream& operator<<(const LogStream& stream, int value)
{
return stream << String::number(value);
}
const LogStream& operator<<(const LogStream& stream, unsigned value)
{
return stream << String::number(value);
}
const LogStream& operator<<(const LogStream& stream, const void* value)
{
return stream << String::format("%p", value);
}
const LogStream& operator<<(const LogStream& stream, const TStyle& style)
{
stream << "\033[";
if (style.color() != TStyle::Color::NoColor)
stream << ((int)style.color() + 30) << (style.attributes() ? ";" : "");
else
stream << '0';
if (style.attributes() & TStyle::Attribute::Bold)
stream << '1';
stream << 'm';
stream.m_needs_style_reset = true;
return stream;
}
#ifdef USERLAND
static TriState got_process_name = TriState::Unknown;
static char process_name_buffer[256];
#endif
DebugLogStream dbg()
{
DebugLogStream stream;
#ifdef USERLAND
if (got_process_name == TriState::Unknown) {
if (get_process_name(process_name_buffer, sizeof(process_name_buffer)) == 0)
got_process_name = TriState::True;
else
got_process_name = TriState::False;
}
if (got_process_name == TriState::True)
stream << TStyle(TStyle::Color::Brown, TStyle::Attribute::Bold) << process_name_buffer << '(' << getpid() << ")" << TStyle(TStyle::None) << ": ";
#endif
return stream;
}
}