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7a2c85f259
PR gdb/11750 concerns defining a command inside a user commnad, like:
define outer
define inner
echo hi\n
end
end
This patch adds this capability to gdb.
ChangeLog
2018-05-04 Tom Tromey <tom@tromey.com>
PR gdb/11750:
* cli/cli-script.h (enum command_control_type) <define_control>:
New constant.
* cli/cli-script.c (multi_line_command_p): Handle define_control.
(build_command_line, execute_control_command_1)
(process_next_line): Likewise.
(do_define_command): New function, extracted from define_command.
(define_command): Use it.
testsuite/ChangeLog
2018-05-04 Tom Tromey <tom@tromey.com>
PR gdb/11750:
* gdb.base/define.exp: Test defining a user command inside a user
command.
* gdb.base/commands.exp (define_if_without_arg_test): Test "define".
160 lines
4.0 KiB
C++
160 lines
4.0 KiB
C++
/* Header file for GDB CLI command implementation library.
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Copyright (C) 2000-2018 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (CLI_SCRIPT_H)
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#define CLI_SCRIPT_H 1
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struct ui_file;
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struct cmd_list_element;
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/* * Control types for commands. */
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enum misc_command_type
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{
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ok_command,
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end_command,
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else_command,
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nop_command
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};
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enum command_control_type
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{
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simple_control,
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break_control,
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continue_control,
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while_control,
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if_control,
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commands_control,
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python_control,
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compile_control,
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guile_control,
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while_stepping_control,
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define_control,
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invalid_control
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};
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struct command_line;
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extern void free_command_lines (struct command_line **);
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/* A deleter for command_line that calls free_command_lines. */
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struct command_lines_deleter
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{
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void operator() (command_line *cmd_lines) const
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{
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free_command_lines (&cmd_lines);
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}
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};
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/* A reference-counted struct command_line. */
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typedef std::shared_ptr<command_line> counted_command_line;
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/* * Structure for saved commands lines (for breakpoints, defined
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commands, etc). */
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struct command_line
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{
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explicit command_line (command_control_type type_, char *line_ = nullptr)
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: line (line_),
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control_type (type_)
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{
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memset (&control_u, 0, sizeof (control_u));
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}
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DISABLE_COPY_AND_ASSIGN (command_line);
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struct command_line *next = nullptr;
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char *line;
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enum command_control_type control_type;
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union
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{
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struct
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{
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enum compile_i_scope_types scope;
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void *scope_data;
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}
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compile;
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}
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control_u;
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/* * For composite commands, the nested lists of commands. For
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example, for "if" command this will contain the then branch and
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the else branch, if that is available. */
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counted_command_line body_list_0;
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counted_command_line body_list_1;
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private:
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friend void free_command_lines (struct command_line **);
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~command_line ()
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{
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xfree (line);
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}
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};
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extern counted_command_line read_command_lines (const char *, int, int,
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void (*)(char *, void *),
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void *);
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extern counted_command_line read_command_lines_1 (char * (*) (void), int,
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void (*)(char *, void *),
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void *);
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/* Exported to cli/cli-cmds.c */
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extern void script_from_file (FILE *stream, const char *file);
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extern void show_user_1 (struct cmd_list_element *c,
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const char *prefix,
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const char *name,
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struct ui_file *stream);
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/* Exported to gdb/breakpoint.c */
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extern enum command_control_type
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execute_control_command (struct command_line *cmd);
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extern enum command_control_type
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execute_control_command_untraced (struct command_line *cmd);
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extern counted_command_line get_command_line (enum command_control_type,
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const char *);
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extern void print_command_lines (struct ui_out *,
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struct command_line *, unsigned int);
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/* Exported to gdb/infrun.c */
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extern void execute_user_command (struct cmd_list_element *c, const char *args);
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/* If we're in a user-defined command, replace any $argc/$argN
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reference found in LINE with the arguments that were passed to the
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command. Otherwise, treat $argc/$argN as normal convenience
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variables. */
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extern std::string insert_user_defined_cmd_args (const char *line);
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/* Exported to top.c */
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extern void print_command_trace (const char *cmd, ...)
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ATTRIBUTE_PRINTF (1, 2);
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/* Exported to event-top.c */
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extern void reset_command_nest_depth (void);
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#endif /* !defined (CLI_SCRIPT_H) */
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