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/* MI Command Set - MI Command Parser.
Copyright (C) 2000-2023 Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
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/>. */
#ifndef MI_MI_PARSE_H
#define MI_MI_PARSE_H
#include "gdbsupport/run-time-clock.h"
#include <chrono>
#include "mi-cmds.h" /* For enum print_values. */
/* MI parser */
/* Timestamps for current command and last asynchronous command. */
struct mi_timestamp
{
std::chrono::steady_clock::time_point wallclock;
user_cpu_time_clock::time_point utime;
system_cpu_time_clock::time_point stime;
};
enum mi_command_type
{
MI_COMMAND, CLI_COMMAND
};
struct mi_parse
{
/* Attempts to parse CMD returning a ``struct mi_parse''. If CMD is
invalid, an exception is thrown. For an MI_COMMAND COMMAND, ARGS
and OP are initialized. Un-initialized fields are zero. *TOKEN is
set to the token, even if an exception is thrown. It can be
assigned to the TOKEN field of the resultant mi_parse object,
to be freed by mi_parse_free. */
static std::unique_ptr<struct mi_parse> make (const char *cmd,
std::string *token);
/* Create an mi_parse object given the command name and a vector
of arguments. Unlike with the other constructor, here the
arguments are treated "as is" -- no escape processing is
done. */
static std::unique_ptr<struct mi_parse> make
(gdb::unique_xmalloc_ptr<char> command,
std::vector<gdb::unique_xmalloc_ptr<char>> args);
~mi_parse ();
DISABLE_COPY_AND_ASSIGN (mi_parse);
/* Split the arguments into argc/argv and store the result. */
void parse_argv ();
/* Return the full argument string, as used by commands which are
implemented as CLI commands. */
const char *args ();
enum mi_command_type op = MI_COMMAND;
/* This is not std::string because it avoids a copy in the Python
API case. */
gdb::unique_xmalloc_ptr<char> command;
std::string token;
const struct mi_command *cmd = nullptr;
struct mi_timestamp *cmd_start = nullptr;
char **argv = nullptr;
int argc = 0;
int all = 0;
int thread_group = -1; /* At present, the same as inferior number. */
int thread = -1;
int frame = -1;
/* The language that should be used to evaluate the MI command.
Ignored if set to language_unknown. */
enum language language = language_unknown;
private:
mi_parse () = default;
/* Helper methods for parsing arguments. Each takes the argument
to be parsed. It will either set a member of this object, or
throw an exception on error. In each case, *ENDP, if non-NULL,
will be updated to just after the argument text. */
void set_thread_group (const char *arg, char **endp);
void set_thread (const char *arg, char **endp);
void set_frame (const char *arg, char **endp);
void set_language (const char *arg, const char **endp);
std::string m_args;
};
/* Parse a string argument into a print_values value. */
enum print_values mi_parse_print_values (const char *name);
#endif /* MI_MI_PARSE_H */
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