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#include "debug.hh"
#include "buffer_manager.hh"
#include "buffer_utils.hh"
#include "utils.hh"
namespace Kakoune
{
void write_to_debug_buffer(StringView str)
{
if (not BufferManager::has_instance())
{
write(2, str);
write(2, "\n");
return;
}
constexpr StringView debug_buffer_name = "*debug*";
// Try to ensure we keep an empty line at the end of the debug buffer
// where the user can put its cursor to scroll with new messages
const bool eol_back = not str.empty() and str.back() == '\n';
if (Buffer* buffer = BufferManager::instance().get_buffer_ifp(debug_buffer_name))
{
buffer->flags() &= ~Buffer::Flags::ReadOnly;
auto restore = on_scope_end([buffer] { buffer->flags() |= Buffer::Flags::ReadOnly; });
buffer->insert(buffer->back_coord(), eol_back ? str : str + "\n");
}
else
{
String line = str + (eol_back ? "\n" : "\n\n");
create_buffer_from_string(
debug_buffer_name.str(), Buffer::Flags::NoUndo | Buffer::Flags::Debug | Buffer::Flags::ReadOnly,
line);
}
}
}
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