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/*
Copyright (C) 2005, 2008, 2009, 2011 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. */
/* debugger command interface. */
#include "fns.h"
#include "msg.h"
#include "print.h"
#include "stack.h"
#include "commands.h"
int i_stack_pos = 0;
/** Pointer to current target call stack at the place we are currently
focused on.
*/
target_stack_node_t *p_stack = NULL;
floc_stack_node_t *p_floc_stack = NULL;
unsigned int dbg_stack_size()
{
int i=0;
if (p_stack_top) {
for ( p_stack=p_stack_top; p_stack ; p_stack = p_stack->p_parent ) {
i++;
}
return i;
} else if (p_stack_floc_top) {
/* We have a Makefile stack */
for ( p_floc_stack=p_stack_floc_top;
p_floc_stack ; p_floc_stack = p_floc_stack->p_parent ) {
i++;
}
}
return i;
}
debug_return_t
dbg_adjust_frame(int i_amount, int b_absolute)
{
int i=0;
int i_try_frame_pos;
if (b_absolute) {
if (i_amount < 0)
i_try_frame_pos = dbg_stack_size() + i_amount;
else
i_try_frame_pos = i_amount;
} else
i_try_frame_pos = i_stack_pos + i_amount;
if (i_try_frame_pos < 0) {
dbg_errmsg(_("Moving target would go beyond bottom-most target position."));
return debug_cmd_error;
}
i = i_try_frame_pos + 1;
if (p_stack_top) {
for ( p_stack=p_stack_top; p_stack ; p_stack = p_stack->p_parent ) {
i--;
if (0 == i)
break;
}
if (0 != i) {
dbg_errmsg(_("Can't set frame to position %d; "
"%d is the highest target position."),
i_try_frame_pos, i_try_frame_pos - i);
return debug_cmd_error;
}
i_stack_pos = i_try_frame_pos;
p_target_loc = &(p_stack->p_target->floc);
print_target_stack_entry(p_stack->p_target, i_stack_pos, i_stack_pos);
print_debugger_location(p_stack->p_target, DEBUG_STACK_CHANGING, NULL);
} else if (p_stack_floc_top) {
/* We have a Makefile stack */
for ( p_floc_stack=p_stack_floc_top;
p_floc_stack ; p_floc_stack = p_floc_stack->p_parent ) {
i--;
if (0 == i)
break;
}
if (0 != i) {
dbg_errmsg(_("Can't set frame to position %d; "
"%d is the highest target position."),
i_try_frame_pos, i_try_frame_pos - i);
return debug_cmd_error;
}
i_stack_pos = i_try_frame_pos;
print_debugger_location(NULL, DEBUG_NOT_GIVEN, p_floc_stack);
}
return debug_readloop;
}
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