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/*
Copyright (C) 2004-2005, 2007-2009, 2011, 2020 R. Bernstein
<rocky@gnu.org>
This file is part of GNU Make (remake variant).
GNU Make 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 2, or (at your option)
any later version.
GNU Make 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 GNU Make; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/** \file libdebugger/command/break.c
*
* \brief Debugger `break` command.
*
* Debugger command to set a breakpoint.
* With a target name, set a break before running commands of that target.
* Without an argument, list all breaks.
*/
#include "../../src/makeint.h"
#include "../../src/debug.h"
#include "../../src/expand.h"
#include "../../src/filedef.h"
#include "../../src/trace.h"
#include "../break.h"
#include "../cmd.h"
#include "../file2line.h"
#include "../fns.h"
#include "../msg.h"
#include "../stack.h"
extern debug_return_t
dbg_cmd_break (char *psz_args)
{
if (!psz_args || !*psz_args) {
list_breakpoints();
return debug_readloop;
} else {
char *psz_target = get_word(&psz_args);
char *psz_break_type;
file_t *p_target;
unsigned int i_brkpt_mask = BRK_NONE;
/** FIXME: DRY with code in continue.h **/
if (p_stack && p_stack->p_target) {
unsigned int u_lineno=0;
f2l_entry_t entry_type;
if (get_uint(psz_target, &u_lineno, false)) {
p_target = target_for_file_and_line(p_stack->p_target->floc.filenm,
u_lineno, &entry_type);
if (F2L_TARGET == entry_type) {
if (!p_target) {
dbg_errmsg("Can't find target or pattern on line %s.\n"
"Use 'info lines' to get a list of breakpoint lines.",
psz_target);
return debug_cmd_error;
}
} else {
dbg_errmsg("No support of breakpoints on target patterns yet.");
return debug_cmd_error;
}
} else
p_target =
lookup_file(variable_expand_set(psz_target,
p_stack->p_target->variables));
} else {
p_target = lookup_file(psz_target);
}
if (!p_target) {
dbg_errmsg("Can't find target %s; breakpoint not set.", psz_target);
return debug_cmd_error;
}
/* FIXME: Combine with code in continue. */
if (!(psz_args && *psz_args))
i_brkpt_mask = BRK_ALL;
else {
while ((psz_break_type = get_word(&psz_args))) {
if (!(psz_break_type && *psz_break_type)) break;
i_brkpt_mask |= get_brkpt_option(psz_break_type) ;
}
}
add_breakpoint(p_target, i_brkpt_mask);
}
return debug_readloop;
};
/*
* Local variables:
* eval: (c-set-style "gnu")
* indent-tabs-mode: nil
* End:
*/
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