2001-09-29 00:14:13 +04:00
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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2004-04-19 02:01:16 +04:00
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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1998-03-28 05:44:41 +03:00
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*
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2004-04-19 02:01:16 +04:00
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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1998-03-28 05:44:41 +03:00
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*
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2001-09-29 00:14:13 +04:00
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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1998-03-28 05:44:41 +03:00
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*
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1999-11-06 05:47:15 +03:00
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* The Original Code is mozilla.org code.
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*
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2004-04-19 02:01:16 +04:00
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* The Initial Developer of the Original Code is
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2001-09-29 00:14:13 +04:00
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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1999-11-06 05:47:15 +03:00
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*
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2001-09-29 00:14:13 +04:00
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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2004-04-19 02:01:16 +04:00
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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2001-09-29 00:14:13 +04:00
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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2004-04-19 02:01:16 +04:00
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* use your version of this file under the terms of the MPL, indicate your
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2001-09-29 00:14:13 +04:00
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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2004-04-19 02:01:16 +04:00
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* the terms of any one of the MPL, the GPL or the LGPL.
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2001-09-29 00:14:13 +04:00
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*
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* ***** END LICENSE BLOCK ***** */
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1998-03-28 05:44:41 +03:00
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/*
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1998-11-05 11:57:24 +03:00
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* JavaScript Debugging support - 'High Level' functions
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*/
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1998-03-28 05:44:41 +03:00
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#include "jsd.h"
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/***************************************************************************/
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1998-11-05 11:57:24 +03:00
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/* XXX not 'static' because of old Mac CodeWarrior bug */
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JSCList _jsd_context_list = JS_INIT_STATIC_CLIST(&_jsd_context_list);
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1998-03-28 05:44:41 +03:00
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1998-11-05 11:57:24 +03:00
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/* these are used to connect JSD_SetUserCallbacks() with JSD_DebuggerOn() */
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1998-03-28 05:44:41 +03:00
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static JSD_UserCallbacks _callbacks;
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1998-11-05 11:57:24 +03:00
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static void* _user = NULL;
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static JSRuntime* _jsrt = NULL;
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1998-03-28 05:44:41 +03:00
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1998-11-05 11:57:24 +03:00
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#ifdef JSD_HAS_DANGEROUS_THREAD
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static void* _dangerousThread = NULL;
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#endif
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#ifdef JSD_THREADSAFE
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void* _jsd_global_lock = NULL;
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1998-03-28 05:44:41 +03:00
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#endif
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1998-11-05 11:57:24 +03:00
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#ifdef DEBUG
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void JSD_ASSERT_VALID_CONTEXT(JSDContext* jsdc)
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1998-03-28 05:44:41 +03:00
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{
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1998-11-05 11:57:24 +03:00
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JS_ASSERT(jsdc->inited);
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JS_ASSERT(jsdc->jsrt);
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JS_ASSERT(jsdc->dumbContext);
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JS_ASSERT(jsdc->glob);
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1998-03-28 05:44:41 +03:00
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}
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1998-11-05 11:57:24 +03:00
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#endif
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1998-03-28 05:44:41 +03:00
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static JSClass global_class = {
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2010-05-24 04:14:56 +04:00
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"JSDGlobal", JSCLASS_GLOBAL_FLAGS,
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1998-03-28 05:44:41 +03:00
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JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
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2001-04-20 07:44:25 +04:00
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JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub,
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JSCLASS_NO_OPTIONAL_MEMBERS
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1998-03-28 05:44:41 +03:00
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};
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1998-11-05 11:57:24 +03:00
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static JSBool
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_validateUserCallbacks(JSD_UserCallbacks* callbacks)
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{
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return !callbacks ||
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(callbacks->size && callbacks->size <= sizeof(JSD_UserCallbacks));
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}
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1998-03-28 05:44:41 +03:00
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static JSDContext*
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1998-11-05 11:57:24 +03:00
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_newJSDContext(JSRuntime* jsrt,
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JSD_UserCallbacks* callbacks,
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void* user)
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1998-03-28 05:44:41 +03:00
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{
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1998-11-05 11:57:24 +03:00
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JSDContext* jsdc = NULL;
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if( ! jsrt )
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1998-03-28 05:44:41 +03:00
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return NULL;
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1998-11-05 11:57:24 +03:00
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if( ! _validateUserCallbacks(callbacks) )
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1998-03-28 05:44:41 +03:00
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return NULL;
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1998-11-05 11:57:24 +03:00
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jsdc = (JSDContext*) calloc(1, sizeof(JSDContext));
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if( ! jsdc )
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goto label_newJSDContext_failure;
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if( ! JSD_INIT_LOCKS(jsdc) )
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goto label_newJSDContext_failure;
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JS_INIT_CLIST(&jsdc->links);
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jsdc->jsrt = jsrt;
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if( callbacks )
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memcpy(&jsdc->userCallbacks, callbacks, callbacks->size);
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jsdc->user = user;
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#ifdef JSD_HAS_DANGEROUS_THREAD
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jsdc->dangerousThread = _dangerousThread;
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#endif
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JS_INIT_CLIST(&jsdc->threadsStates);
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JS_INIT_CLIST(&jsdc->sources);
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JS_INIT_CLIST(&jsdc->removedSources);
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jsdc->sourceAlterCount = 1;
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1998-03-28 05:44:41 +03:00
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1998-11-05 11:57:24 +03:00
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if( ! jsd_CreateAtomTable(jsdc) )
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goto label_newJSDContext_failure;
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1998-03-28 05:44:41 +03:00
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1998-11-05 11:57:24 +03:00
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if( ! jsd_InitObjectManager(jsdc) )
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goto label_newJSDContext_failure;
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2002-02-27 12:24:14 +03:00
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if( ! jsd_InitScriptManager(jsdc) )
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goto label_newJSDContext_failure;
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1998-11-05 11:57:24 +03:00
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jsdc->dumbContext = JS_NewContext(jsdc->jsrt, 256);
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1998-03-28 05:44:41 +03:00
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if( ! jsdc->dumbContext )
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1998-11-05 11:57:24 +03:00
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goto label_newJSDContext_failure;
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1998-03-28 05:44:41 +03:00
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2006-06-13 02:39:55 +04:00
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JS_BeginRequest(jsdc->dumbContext);
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1998-03-28 05:44:41 +03:00
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jsdc->glob = JS_NewObject(jsdc->dumbContext, &global_class, NULL, NULL);
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if( ! jsdc->glob )
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1998-11-05 11:57:24 +03:00
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goto label_newJSDContext_failure;
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1998-03-28 05:44:41 +03:00
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if( ! JS_InitStandardClasses(jsdc->dumbContext, jsdc->glob) )
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1998-11-05 11:57:24 +03:00
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goto label_newJSDContext_failure;
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1998-03-28 05:44:41 +03:00
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2006-06-13 02:39:55 +04:00
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JS_EndRequest(jsdc->dumbContext);
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2001-04-20 07:44:25 +04:00
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jsdc->data = NULL;
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1998-03-28 05:44:41 +03:00
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jsdc->inited = JS_TRUE;
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1998-11-05 11:57:24 +03:00
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JSD_LOCK();
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JS_INSERT_LINK(&jsdc->links, &_jsd_context_list);
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JSD_UNLOCK();
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1998-03-28 05:44:41 +03:00
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return jsdc;
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1998-11-05 11:57:24 +03:00
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label_newJSDContext_failure:
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2006-05-11 17:19:45 +04:00
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if( jsdc ) {
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jsd_DestroyObjectManager(jsdc);
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jsd_DestroyAtomTable(jsdc);
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2006-06-13 02:39:55 +04:00
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JS_EndRequest(jsdc->dumbContext);
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1998-11-05 11:57:24 +03:00
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free(jsdc);
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2006-05-11 17:19:45 +04:00
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}
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1998-11-05 11:57:24 +03:00
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return NULL;
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1998-03-28 05:44:41 +03:00
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}
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static void
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1998-11-05 11:57:24 +03:00
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_destroyJSDContext(JSDContext* jsdc)
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1998-03-28 05:44:41 +03:00
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{
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JSD_ASSERT_VALID_CONTEXT(jsdc);
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1998-11-05 11:57:24 +03:00
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JSD_LOCK();
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JS_REMOVE_LINK(&jsdc->links);
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JSD_UNLOCK();
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jsd_DestroyObjectManager(jsdc);
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jsd_DestroyAtomTable(jsdc);
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1998-03-28 05:44:41 +03:00
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jsdc->inited = JS_FALSE;
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1998-11-05 11:57:24 +03:00
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/*
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* We should free jsdc here, but we let it leak in case there are any
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* asynchronous hooks calling into the system using it as a handle
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*
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* XXX we also leak the locks
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*/
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2003-01-05 01:47:44 +03:00
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JS_DestroyContext(jsdc->dumbContext);
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jsdc->dumbContext = NULL;
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1998-03-28 05:44:41 +03:00
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}
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/***************************************************************************/
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JSDContext*
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1998-11-05 11:57:24 +03:00
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jsd_DebuggerOnForUser(JSRuntime* jsrt,
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JSD_UserCallbacks* callbacks,
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void* user)
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1998-03-28 05:44:41 +03:00
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{
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1998-11-05 11:57:24 +03:00
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JSDContext* jsdc;
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1998-03-28 05:44:41 +03:00
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JSContext* iter = NULL;
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1998-11-05 11:57:24 +03:00
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jsdc = _newJSDContext(jsrt, callbacks, user);
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1998-03-28 05:44:41 +03:00
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if( ! jsdc )
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return NULL;
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2009-12-13 00:35:04 +03:00
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/*
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* Set hooks here. The new/destroy script hooks are on even when
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* the debugger is paused. The destroy hook so we'll clean up
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* internal data structures when scripts are destroyed, and the
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* newscript hook for backwards compatibility for now. We'd like
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* to stop doing that.
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*/
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1998-11-05 11:57:24 +03:00
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JS_SetNewScriptHookProc(jsdc->jsrt, jsd_NewScriptHookProc, jsdc);
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JS_SetDestroyScriptHookProc(jsdc->jsrt, jsd_DestroyScriptHookProc, jsdc);
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2009-12-13 00:35:04 +03:00
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jsd_DebuggerUnpause(jsdc);
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if (!(jsdc->flags & JSD_DISABLE_OBJECT_TRACE)) {
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JS_SetObjectHook(jsdc->jsrt, jsd_ObjectHook, jsdc);
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}
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1998-11-05 11:57:24 +03:00
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#ifdef LIVEWIRE
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LWDBG_SetNewScriptHookProc(jsd_NewScriptHookProc, jsdc);
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#endif
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if( jsdc->userCallbacks.setContext )
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jsdc->userCallbacks.setContext(jsdc, jsdc->user);
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1998-03-28 05:44:41 +03:00
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return jsdc;
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}
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1998-11-05 11:57:24 +03:00
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JSDContext*
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jsd_DebuggerOn(void)
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{
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JS_ASSERT(_jsrt);
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JS_ASSERT(_validateUserCallbacks(&_callbacks));
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return jsd_DebuggerOnForUser(_jsrt, &_callbacks, _user);
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}
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1998-03-28 05:44:41 +03:00
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void
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jsd_DebuggerOff(JSDContext* jsdc)
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{
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2009-12-13 00:35:04 +03:00
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jsd_DebuggerPause(jsdc, JS_TRUE);
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1998-03-28 05:44:41 +03:00
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/* clear hooks here */
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1998-11-05 11:57:24 +03:00
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JS_SetNewScriptHookProc(jsdc->jsrt, NULL, NULL);
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JS_SetDestroyScriptHookProc(jsdc->jsrt, NULL, NULL);
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2009-12-13 00:35:04 +03:00
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/* Have to unset these too, since jsd_DebuggerPause only unsets
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them conditionally */
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1998-11-05 11:57:24 +03:00
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JS_SetObjectHook(jsdc->jsrt, NULL, NULL);
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#ifdef LIVEWIRE
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LWDBG_SetNewScriptHookProc(NULL,NULL);
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#endif
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1998-03-28 05:44:41 +03:00
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/* clean up */
|
1999-09-07 08:54:41 +04:00
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JSD_LockScriptSubsystem(jsdc);
|
2002-02-27 12:24:14 +03:00
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jsd_DestroyScriptManager(jsdc);
|
1999-09-07 08:54:41 +04:00
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JSD_UnlockScriptSubsystem(jsdc);
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1998-11-05 11:57:24 +03:00
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jsd_DestroyAllSources(jsdc);
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1998-03-28 05:44:41 +03:00
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1998-11-05 11:57:24 +03:00
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_destroyJSDContext(jsdc);
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1998-03-28 05:44:41 +03:00
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1998-11-05 11:57:24 +03:00
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if( jsdc->userCallbacks.setContext )
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jsdc->userCallbacks.setContext(NULL, jsdc->user);
|
1998-03-28 05:44:41 +03:00
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}
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|
2009-12-13 00:35:04 +03:00
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void
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jsd_DebuggerPause(JSDContext* jsdc, JSBool forceAllHooksOff)
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{
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JS_SetDebuggerHandler(jsdc->jsrt, NULL, NULL);
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if (forceAllHooksOff ||
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(!(jsdc->flags & JSD_COLLECT_PROFILE_DATA) &&
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(jsdc->flags & JSD_DISABLE_OBJECT_TRACE))) {
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JS_SetExecuteHook(jsdc->jsrt, NULL, NULL);
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JS_SetCallHook(jsdc->jsrt, NULL, NULL);
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}
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JS_SetThrowHook(jsdc->jsrt, NULL, NULL);
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JS_SetDebugErrorHook(jsdc->jsrt, NULL, NULL);
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}
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void
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jsd_DebuggerUnpause(JSDContext* jsdc)
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{
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JS_SetDebuggerHandler(jsdc->jsrt, jsd_DebuggerHandler, jsdc);
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JS_SetExecuteHook(jsdc->jsrt, jsd_TopLevelCallHook, jsdc);
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JS_SetCallHook(jsdc->jsrt, jsd_FunctionCallHook, jsdc);
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JS_SetThrowHook(jsdc->jsrt, jsd_ThrowHandler, jsdc);
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JS_SetDebugErrorHook(jsdc->jsrt, jsd_DebugErrorHook, jsdc);
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}
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|
1998-03-28 05:44:41 +03:00
|
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void
|
1998-11-05 11:57:24 +03:00
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|
jsd_SetUserCallbacks(JSRuntime* jsrt, JSD_UserCallbacks* callbacks, void* user)
|
1998-03-28 05:44:41 +03:00
|
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|
{
|
1998-11-05 11:57:24 +03:00
|
|
|
_jsrt = jsrt;
|
1998-03-28 05:44:41 +03:00
|
|
|
_user = user;
|
1998-11-05 11:57:24 +03:00
|
|
|
|
|
|
|
#ifdef JSD_HAS_DANGEROUS_THREAD
|
|
|
|
_dangerousThread = JSD_CURRENT_THREAD();
|
|
|
|
#endif
|
1998-03-28 05:44:41 +03:00
|
|
|
|
|
|
|
if( callbacks )
|
1998-11-05 11:57:24 +03:00
|
|
|
memcpy(&_callbacks, callbacks, sizeof(JSD_UserCallbacks));
|
1998-03-28 05:44:41 +03:00
|
|
|
else
|
1998-11-05 11:57:24 +03:00
|
|
|
memset(&_callbacks, 0 , sizeof(JSD_UserCallbacks));
|
1998-03-28 05:44:41 +03:00
|
|
|
}
|
|
|
|
|
2001-04-20 07:44:25 +04:00
|
|
|
void*
|
|
|
|
jsd_SetContextPrivate(JSDContext* jsdc, void *data)
|
|
|
|
{
|
|
|
|
void *rval = jsdc->data;
|
|
|
|
jsdc->data = data;
|
|
|
|
return data;
|
|
|
|
}
|
|
|
|
|
|
|
|
void*
|
|
|
|
jsd_GetContextPrivate(JSDContext* jsdc)
|
|
|
|
{
|
|
|
|
return jsdc->data;
|
|
|
|
}
|
|
|
|
|
2002-02-27 12:24:14 +03:00
|
|
|
void
|
|
|
|
jsd_ClearAllProfileData(JSDContext* jsdc)
|
|
|
|
{
|
|
|
|
JSDScript *current;
|
|
|
|
|
|
|
|
JSD_LOCK_SCRIPTS(jsdc);
|
|
|
|
current = (JSDScript *)jsdc->scripts.next;
|
|
|
|
while (current != (JSDScript *)&jsdc->scripts)
|
|
|
|
{
|
|
|
|
jsd_ClearScriptProfileData(jsdc, current);
|
|
|
|
current = (JSDScript *)current->links.next;
|
|
|
|
}
|
|
|
|
|
|
|
|
JSD_UNLOCK_SCRIPTS(jsdc);
|
|
|
|
}
|
|
|
|
|
1998-11-05 11:57:24 +03:00
|
|
|
JSDContext*
|
|
|
|
jsd_JSDContextForJSContext(JSContext* context)
|
1998-03-28 05:44:41 +03:00
|
|
|
{
|
1998-11-05 11:57:24 +03:00
|
|
|
JSDContext* iter;
|
|
|
|
JSDContext* jsdc = NULL;
|
|
|
|
JSRuntime* runtime = JS_GetRuntime(context);
|
|
|
|
|
|
|
|
JSD_LOCK();
|
|
|
|
for( iter = (JSDContext*)_jsd_context_list.next;
|
|
|
|
iter != (JSDContext*)&_jsd_context_list;
|
|
|
|
iter = (JSDContext*)iter->links.next )
|
|
|
|
{
|
|
|
|
if( runtime == iter->jsrt )
|
|
|
|
{
|
|
|
|
jsdc = iter;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
JSD_UNLOCK();
|
|
|
|
return jsdc;
|
|
|
|
}
|
1998-03-28 05:44:41 +03:00
|
|
|
|
2008-09-07 02:21:43 +04:00
|
|
|
static JSBool
|
1998-11-05 11:57:24 +03:00
|
|
|
jsd_DebugErrorHook(JSContext *cx, const char *message,
|
|
|
|
JSErrorReport *report, void *closure)
|
1998-03-28 05:44:41 +03:00
|
|
|
{
|
1998-11-05 11:57:24 +03:00
|
|
|
JSDContext* jsdc = (JSDContext*) closure;
|
|
|
|
JSD_ErrorReporter errorReporter;
|
|
|
|
void* errorReporterData;
|
|
|
|
|
1998-03-28 05:44:41 +03:00
|
|
|
if( ! jsdc )
|
|
|
|
{
|
1998-11-05 11:57:24 +03:00
|
|
|
JS_ASSERT(0);
|
|
|
|
return JS_TRUE;
|
1998-03-28 05:44:41 +03:00
|
|
|
}
|
1998-11-05 11:57:24 +03:00
|
|
|
if( JSD_IS_DANGEROUS_THREAD(jsdc) )
|
|
|
|
return JS_TRUE;
|
1998-03-28 05:44:41 +03:00
|
|
|
|
1998-11-05 11:57:24 +03:00
|
|
|
/* local in case hook gets cleared on another thread */
|
|
|
|
JSD_LOCK();
|
|
|
|
errorReporter = jsdc->errorReporter;
|
|
|
|
errorReporterData = jsdc->errorReporterData;
|
|
|
|
JSD_UNLOCK();
|
1998-03-28 05:44:41 +03:00
|
|
|
|
1998-11-05 11:57:24 +03:00
|
|
|
if(!errorReporter)
|
|
|
|
return JS_TRUE;
|
1998-03-28 05:44:41 +03:00
|
|
|
|
1998-11-05 11:57:24 +03:00
|
|
|
switch(errorReporter(jsdc, cx, message, report, errorReporterData))
|
1998-03-28 05:44:41 +03:00
|
|
|
{
|
|
|
|
case JSD_ERROR_REPORTER_PASS_ALONG:
|
1998-11-05 11:57:24 +03:00
|
|
|
return JS_TRUE;
|
|
|
|
case JSD_ERROR_REPORTER_RETURN:
|
|
|
|
return JS_FALSE;
|
1998-03-28 05:44:41 +03:00
|
|
|
case JSD_ERROR_REPORTER_DEBUG:
|
|
|
|
{
|
1998-11-05 11:57:24 +03:00
|
|
|
jsval rval;
|
|
|
|
JSD_ExecutionHookProc hook;
|
|
|
|
void* hookData;
|
|
|
|
|
|
|
|
/* local in case hook gets cleared on another thread */
|
|
|
|
JSD_LOCK();
|
|
|
|
hook = jsdc->debugBreakHook;
|
|
|
|
hookData = jsdc->debugBreakHookData;
|
|
|
|
JSD_UNLOCK();
|
|
|
|
|
|
|
|
jsd_CallExecutionHook(jsdc, cx, JSD_HOOK_DEBUG_REQUESTED,
|
|
|
|
hook, hookData, &rval);
|
|
|
|
/* XXX Should make this dependent on ExecutionHook retval */
|
|
|
|
return JS_TRUE;
|
1998-03-28 05:44:41 +03:00
|
|
|
}
|
1998-11-05 11:57:24 +03:00
|
|
|
case JSD_ERROR_REPORTER_CLEAR_RETURN:
|
|
|
|
if(report && JSREPORT_IS_EXCEPTION(report->flags))
|
|
|
|
JS_ClearPendingException(cx);
|
|
|
|
return JS_FALSE;
|
|
|
|
default:
|
|
|
|
JS_ASSERT(0);
|
|
|
|
break;
|
1998-03-28 05:44:41 +03:00
|
|
|
}
|
1998-11-05 11:57:24 +03:00
|
|
|
return JS_TRUE;
|
1998-03-28 05:44:41 +03:00
|
|
|
}
|
|
|
|
|
1998-11-05 11:57:24 +03:00
|
|
|
JSBool
|
|
|
|
jsd_SetErrorReporter(JSDContext* jsdc,
|
|
|
|
JSD_ErrorReporter reporter,
|
|
|
|
void* callerdata)
|
1998-03-28 05:44:41 +03:00
|
|
|
{
|
1998-11-05 11:57:24 +03:00
|
|
|
JSD_LOCK();
|
1998-03-28 05:44:41 +03:00
|
|
|
jsdc->errorReporter = reporter;
|
1998-11-05 11:57:24 +03:00
|
|
|
jsdc->errorReporterData = callerdata;
|
|
|
|
JSD_UNLOCK();
|
|
|
|
return JS_TRUE;
|
1998-03-28 05:44:41 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
JSBool
|
1998-11-05 11:57:24 +03:00
|
|
|
jsd_GetErrorReporter(JSDContext* jsdc,
|
|
|
|
JSD_ErrorReporter* reporter,
|
|
|
|
void** callerdata)
|
1998-03-28 05:44:41 +03:00
|
|
|
{
|
1998-11-05 11:57:24 +03:00
|
|
|
JSD_LOCK();
|
|
|
|
if( reporter )
|
|
|
|
*reporter = jsdc->errorReporter;
|
|
|
|
if( callerdata )
|
|
|
|
*callerdata = jsdc->errorReporterData;
|
|
|
|
JSD_UNLOCK();
|
|
|
|
return JS_TRUE;
|
1998-03-28 05:44:41 +03:00
|
|
|
}
|