wine/programs/winedbg/display.c
2002-09-13 17:54:27 +00:00

157 lines
3.4 KiB
C

/*
* File display.c - display handling for Wine internal debugger.
*
* Copyright (C) 1997, Eric Youngdale.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include "debugger.h"
#include <stdarg.h>
#define MAX_DISPLAY 25
struct display
{
struct expr * exp;
int count;
char format;
};
static struct display displaypoints[MAX_DISPLAY];
int
DEBUG_AddDisplay(struct expr * exp, int count, char format)
{
int i;
/*
* First find a slot where we can store this display.
*/
for(i=0; i < MAX_DISPLAY; i++ )
{
if( displaypoints[i].exp == NULL )
{
displaypoints[i].exp = DEBUG_CloneExpr(exp);
displaypoints[i].count = count;
displaypoints[i].format = format;
break;
}
}
return TRUE;
}
int
DEBUG_InfoDisplay(void)
{
int i;
/*
* First find a slot where we can store this display.
*/
for(i=0; i < MAX_DISPLAY; i++ )
{
if( displaypoints[i].exp != NULL )
{
DEBUG_Printf(DBG_CHN_MESG, "%d : ", i+1);
DEBUG_DisplayExpr(displaypoints[i].exp);
DEBUG_Printf(DBG_CHN_MESG, "\n");
}
}
return TRUE;
}
int
DEBUG_DoDisplay(void)
{
DBG_VALUE value;
int i;
/*
* First find a slot where we can store this display.
*/
for(i=0; i < MAX_DISPLAY; i++ )
{
if( displaypoints[i].exp != NULL )
{
value = DEBUG_EvalExpr(displaypoints[i].exp);
if( value.type == NULL )
{
DEBUG_Printf(DBG_CHN_MESG, "Unable to evaluate expression ");
DEBUG_DisplayExpr(displaypoints[i].exp);
DEBUG_Printf(DBG_CHN_MESG, "\nDisabling...\n");
DEBUG_DelDisplay(i);
}
else
{
DEBUG_Printf(DBG_CHN_MESG, "%d : ", i + 1);
DEBUG_DisplayExpr(displaypoints[i].exp);
DEBUG_Printf(DBG_CHN_MESG, " = ");
if( displaypoints[i].format == 'i' )
{
DEBUG_ExamineMemory( &value,
displaypoints[i].count,
displaypoints[i].format);
}
else
{
DEBUG_Print( &value,
displaypoints[i].count,
displaypoints[i].format, 0);
}
}
}
}
return TRUE;
}
int
DEBUG_DelDisplay(int displaynum)
{
int i;
if( displaynum >= MAX_DISPLAY || displaynum == 0 || displaynum < -1 )
{
DEBUG_Printf(DBG_CHN_MESG, "Invalid display number\n");
return TRUE;
}
if( displaynum == -1 )
{
for(i=0; i < MAX_DISPLAY; i++ )
{
if( displaypoints[i].exp != NULL )
{
DEBUG_FreeExpr(displaypoints[i].exp);
displaypoints[i].exp = NULL;
}
}
}
else if( displaypoints[displaynum - 1].exp != NULL )
{
DEBUG_FreeExpr(displaypoints[displaynum - 1].exp);
displaypoints[displaynum - 1].exp = NULL;
}
return TRUE;
}