/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   John Bandhauer <jband@netscape.com> (original author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

/* Debug Logging support. */

#ifndef xpclog_h___
#define xpclog_h___

#include "nsIXPConnect.h"
#include "prtypes.h"
#include "prlog.h"

/*
 * This uses prlog.h See prlog.h for environment settings for output.
 * The module name used here is 'xpclog'. These environment settings
 * should work...
 *
 * SET NSPR_LOG_MODULES=xpclog:5
 * SET NSPR_LOG_FILE=logfile.txt
 *
 * usage:
 *   XPC_LOG_ERROR(("my comment number %d", 5))   // note the double parens
 *
 */

#ifdef DEBUG
#define XPC_LOG_INTERNAL(number,_args)  \
    do{if (XPC_Log_Check(number)){XPC_Log_print _args;}}while (0)

#define XPC_LOG_ALWAYS(_args)   XPC_LOG_INTERNAL(1,_args)
#define XPC_LOG_ERROR(_args)    XPC_LOG_INTERNAL(2,_args)
#define XPC_LOG_WARNING(_args)  XPC_LOG_INTERNAL(3,_args)
#define XPC_LOG_DEBUG(_args)    XPC_LOG_INTERNAL(4,_args)
#define XPC_LOG_FLUSH()         PR_LogFlush()
#define XPC_LOG_INDENT()        XPC_Log_Indent()
#define XPC_LOG_OUTDENT()       XPC_Log_Outdent()
#define XPC_LOG_CLEAR_INDENT()  XPC_Log_Clear_Indent()
#define XPC_LOG_FINISH()        XPC_Log_Finish()

JS_BEGIN_EXTERN_C

void   XPC_Log_print(const char *fmt, ...);
bool XPC_Log_Check(int i);
void   XPC_Log_Indent();
void   XPC_Log_Outdent();
void   XPC_Log_Clear_Indent();
void   XPC_Log_Finish();

JS_END_EXTERN_C

#else

#define XPC_LOG_ALWAYS(_args)  ((void)0)
#define XPC_LOG_ERROR(_args)   ((void)0)
#define XPC_LOG_WARNING(_args) ((void)0)
#define XPC_LOG_DEBUG(_args)   ((void)0)
#define XPC_LOG_FLUSH()        ((void)0)
#define XPC_LOG_INDENT()       ((void)0)
#define XPC_LOG_OUTDENT()      ((void)0)
#define XPC_LOG_CLEAR_INDENT() ((void)0)
#define XPC_LOG_FINISH()       ((void)0)
#endif


#ifdef DEBUG_peterv
#define DEBUG_slimwrappers 1
#endif

#ifdef DEBUG_slimwrappers
extern void LogSlimWrapperWillMorph(JSContext *cx, JSObject *obj,
                                    const char *propname,
                                    const char *functionName);
extern void LogSlimWrapperNotCreated(JSContext *cx, nsISupports *obj,
                                     const char *reason);

#define SLIM_LOG_WILL_MORPH_FOR_PROP(cx, obj, prop)                           \
    PR_BEGIN_MACRO                                                            \
        LogSlimWrapperWillMorph(cx, obj, (const char*)prop, __FUNCTION__);    \
    PR_END_MACRO
#define SLIM_LOG_WILL_MORPH_FOR_ID(cx, obj, id)                               \
    PR_BEGIN_MACRO                                                            \
        JSString* strId = ::JS_ValueToString(cx, id);                         \
        if (strId) {                                                          \
          NS_ConvertUTF16toUTF8 name((PRUnichar*)::JS_GetStringChars(strId),  \
                                     ::JS_GetStringLength(strId));            \
          LOG_WILL_MORPH_FOR_PROP(cx, obj, name.get());                       \
        }                                                                     \
        else                                                                  \
        {                                                                     \
          LOG_WILL_MORPH_FOR_PROP(cx, obj, nsnull);                           \
        }                                                                     \
    PR_END_MACRO
#define SLIM_LOG_NOT_CREATED(cx, obj, reason)                                 \
    PR_BEGIN_MACRO                                                            \
        LogSlimWrapperNotCreated(cx, obj, reason);                            \
    PR_END_MACRO
#define SLIM_LOG(_args)                                                       \
    PR_BEGIN_MACRO                                                            \
        printf _args;                                                         \
    PR_END_MACRO
#else
#define SLIM_LOG_WILL_MORPH_FOR_PROP(cx, obj, prop)                           \
    PR_BEGIN_MACRO                                                            \
    PR_END_MACRO
#define SLIM_LOG_WILL_MORPH_FOR_ID(cx, obj)                                   \
    PR_BEGIN_MACRO                                                            \
    PR_END_MACRO
#define SLIM_LOG_NOT_CREATED(cx, obj, reason)                                 \
    PR_BEGIN_MACRO                                                            \
    PR_END_MACRO
#define SLIM_LOG(_args)                                                       \
    PR_BEGIN_MACRO                                                            \
    PR_END_MACRO
#endif
#define SLIM_LOG_WILL_MORPH(cx, obj)                                         \
    SLIM_LOG_WILL_MORPH_FOR_PROP(cx, obj, nsnull)

#endif /* xpclog_h___ */
