Remove manual lifetime management from cli_interp

cli_interp manually manages its cli_out object.  This patch changes it
to use a unique_ptr, and also changes cli_uiout to be a private
member.
This commit is contained in:
Tom Tromey 2022-06-24 09:39:47 -06:00
parent 66fd2c678e
commit 083aca0c83

View File

@ -43,7 +43,7 @@ class cli_interp final : public cli_interp_base
{
public:
explicit cli_interp (const char *name);
~cli_interp ();
~cli_interp () = default;
void init (bool top_level) override;
void resume () override;
@ -51,20 +51,16 @@ class cli_interp final : public cli_interp_base
gdb_exception exec (const char *command_str) override;
ui_out *interp_ui_out () override;
private:
/* The ui_out for the console interpreter. */
cli_ui_out *cli_uiout;
std::unique_ptr<cli_ui_out> m_cli_uiout;
};
cli_interp::cli_interp (const char *name)
: cli_interp_base (name)
: cli_interp_base (name),
m_cli_uiout (new cli_ui_out (gdb_stdout))
{
/* Create a default uiout builder for the CLI. */
this->cli_uiout = new cli_ui_out (gdb_stdout);
}
cli_interp::~cli_interp ()
{
delete cli_uiout;
}
/* Suppress notification struct. */
@ -289,7 +285,6 @@ void
cli_interp::resume ()
{
struct ui *ui = current_ui;
struct cli_interp *cli = this;
struct ui_file *stream;
/*sync_execution = 1; */
@ -298,10 +293,10 @@ cli_interp::resume ()
previously writing to gdb_stdout, then set it to the new
gdb_stdout afterwards. */
stream = cli->cli_uiout->set_stream (gdb_stdout);
stream = m_cli_uiout->set_stream (gdb_stdout);
if (stream != gdb_stdout)
{
cli->cli_uiout->set_stream (stream);
m_cli_uiout->set_stream (stream);
stream = NULL;
}
@ -310,7 +305,7 @@ cli_interp::resume ()
ui->input_handler = command_line_handler;
if (stream != NULL)
cli->cli_uiout->set_stream (gdb_stdout);
m_cli_uiout->set_stream (gdb_stdout);
}
void
@ -322,20 +317,19 @@ cli_interp::suspend ()
gdb_exception
cli_interp::exec (const char *command_str)
{
struct cli_interp *cli = this;
struct ui_file *old_stream;
struct gdb_exception result;
/* gdb_stdout could change between the time cli_uiout was
/* gdb_stdout could change between the time m_cli_uiout was
initialized and now. Since we're probably using a different
interpreter which has a new ui_file for gdb_stdout, use that one
instead of the default.
It is important that it gets reset everytime, since the user
could set gdb to use a different interpreter. */
old_stream = cli->cli_uiout->set_stream (gdb_stdout);
result = safe_execute_command (cli->cli_uiout, command_str, 1);
cli->cli_uiout->set_stream (old_stream);
old_stream = m_cli_uiout->set_stream (gdb_stdout);
result = safe_execute_command (m_cli_uiout.get (), command_str, 1);
m_cli_uiout->set_stream (old_stream);
return result;
}
@ -373,9 +367,7 @@ safe_execute_command (struct ui_out *command_uiout, const char *command,
ui_out *
cli_interp::interp_ui_out ()
{
struct cli_interp *cli = (struct cli_interp *) this;
return cli->cli_uiout;
return m_cli_uiout.get ();
}
/* These hold the pushed copies of the gdb output files.