root/xdebug_private.c

DEFINITIONS

1. ZEND_EXTERN_MODULE_GLOBALS
2. xdebug_get_stack_frame
3. xdebug_get_stack_tail

/*
   +----------------------------------------------------------------------+
   | Xdebug                                                               |
   +----------------------------------------------------------------------+
   | Copyright (c) 2002, 2003, 2004, 2005, 2006 Derick Rethans            |
   +----------------------------------------------------------------------+
   | This source file is subject to version 1.0 of the Xdebug license,    |
   | that is bundled with this package in the file LICENSE, and is        |
   | available at through the world-wide-web at                           |
   | http://xdebug.derickrethans.nl/license.php                           |
   | If you did not receive a copy of the Xdebug license and are unable   |
   | to obtain it through the world-wide-web, please send a note to       |
   | xdebug@derickrethans.nl so we can mail you a copy immediately.       |
   +----------------------------------------------------------------------+
   | Authors:  Derick Rethans <derick@xdebug.org>                         |
   +----------------------------------------------------------------------+
 */

#include "php_xdebug.h"
#include "xdebug_private.h"

ZEND_EXTERN_MODULE_GLOBALS(xdebug)

function_stack_entry *xdebug_get_stack_head(TSRMLS_D)
{
        xdebug_llist_element *le;

        if (XG(stack)) {
                if ((le = XDEBUG_LLIST_HEAD(XG(stack)))) {
                        return XDEBUG_LLIST_VALP(le);
                } else {
                        return NULL;
                }
        } else {
                return NULL;
        }
}

function_stack_entry *xdebug_get_stack_frame(int nr TSRMLS_DC)
{
        xdebug_llist_element *le;

        if (!XG(stack)) {
                return NULL;
        }

        if (!(le = XDEBUG_LLIST_TAIL(XG(stack)))) {
                return NULL;
        }

        while (nr) {
                nr--;
                le = XDEBUG_LLIST_PREV(le);
                if (!le) {
                        return NULL;
                }
        }
        return XDEBUG_LLIST_VALP(le);
}

function_stack_entry *xdebug_get_stack_tail(TSRMLS_D)
{
        xdebug_llist_element *le;

        if (XG(stack)) {
                if ((le = XDEBUG_LLIST_TAIL(XG(stack)))) {
                        return XDEBUG_LLIST_VALP(le);
                } else {
                        return NULL;
                }
        } else {
                return NULL;
        }
}