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/* Python DAP interpreter
Copyright (C) 2022-2024 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "python-internal.h"
#include "interps.h"
#include "cli-out.h"
#include "ui.h"
class dap_interp final : public interp
{
public:
explicit dap_interp (const char *name)
: interp (name),
m_ui_out (new cli_ui_out (gdb_stdout))
{
}
~dap_interp () override = default;
void init (bool top_level) override;
void suspend () override
{
}
void resume () override
{
}
void exec (const char *command) override
{
/* Just ignore it. */
}
void set_logging (ui_file_up logfile, bool logging_redirect,
bool debug_redirect) override
{
/* Just ignore it. */
}
ui_out *interp_ui_out () override
{
return m_ui_out.get ();
}
void pre_command_loop () override;
bool supports_new_ui () const override
{ return false; }
private:
std::unique_ptr<ui_out> m_ui_out;
};
/* Call function FN_NAME from module gdb.dap. */
static void
call_dap_fn (const char *fn_name)
{
gdbpy_enter enter_py;
gdbpy_ref<> dap_module (PyImport_ImportModule ("gdb.dap"));
if (dap_module == nullptr)
gdbpy_handle_exception ();
gdbpy_ref<> func (PyObject_GetAttrString (dap_module.get (), fn_name));
if (func == nullptr)
gdbpy_handle_exception ();
gdbpy_ref<> result_obj (PyObject_CallObject (func.get (), nullptr));
if (result_obj == nullptr)
gdbpy_handle_exception ();
}
void
dap_interp::init (bool top_level)
{
#if CXX_STD_THREAD
call_dap_fn ("run");
current_ui->input_fd = -1;
current_ui->m_input_interactive_p = false;
#else
error (_("GDB was compiled without threading, which DAP requires"));
#endif
}
void
dap_interp::pre_command_loop ()
{
call_dap_fn ("pre_command_loop");
}
void _initialize_py_interp ();
void
_initialize_py_interp ()
{
/* The dap code uses module typing, available starting python 3.5. */
#if PY_VERSION_HEX >= 0x03050000
interp_factory_register ("dap", [] (const char *name) -> interp *
{
return new dap_interp (name);
});
#endif
}
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