зеркало из https://github.com/mozilla/pjs.git
407 строки
11 KiB
C++
407 строки
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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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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*
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* The Original Code is mozilla.org code
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation
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* Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation.
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License (the "GPL"), in which case the
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* provisions of the GPL are applicable instead of those above.
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* If you wish to allow use of your version of this file only
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* under the terms of the GPL and not to allow others to use your
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* version of this file under the MPL, indicate your decision by
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* deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* Contributor(s):
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* Robert Ginda, <rginda@netscape.com>
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*
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*/
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#ifndef JSDSERVICE_H___
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#define JSDSERVICE_H___
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#include "jsdIDebuggerService.h"
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#include "jsdebug.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nspr.h"
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// #if defined(DEBUG_rginda_l)
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// # define DEBUG_verbose
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// #endif
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struct LiveEphemeral {
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/* link in a chain of live values list */
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PRCList links;
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jsdIEphemeral *value;
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};
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struct PCMapEntry {
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PRUint32 pc, line;
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};
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/*******************************************************************************
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* reflected jsd data structures
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*******************************************************************************/
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class jsdObject : public jsdIObject
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_JSDIOBJECT
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdObject (JSDContext *aCx, JSDObject *aObject) :
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mCx(aCx), mObject(aObject)
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{
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NS_INIT_ISUPPORTS();
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}
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static jsdIObject *FromPtr (JSDContext *aCx,
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JSDObject *aObject)
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{
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if (!aObject)
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return nsnull;
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jsdIObject *rv = new jsdObject (aCx, aObject);
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NS_IF_ADDREF(rv);
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return rv;
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}
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private:
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jsdObject(); /* no implementation */
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jsdObject(const jsdObject&); /* no implementation */
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JSDContext *mCx;
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JSDObject *mObject;
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};
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class jsdProperty : public jsdIProperty
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_JSDIPROPERTY
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NS_DECL_JSDIEPHEMERAL
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jsdProperty (JSDContext *aCx, JSDProperty *aProperty);
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virtual ~jsdProperty ();
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static jsdIProperty *FromPtr (JSDContext *aCx,
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JSDProperty *aProperty)
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{
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if (!aProperty)
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return nsnull;
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jsdIProperty *rv = new jsdProperty (aCx, aProperty);
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NS_IF_ADDREF(rv);
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return rv;
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}
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static void InvalidateAll();
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private:
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jsdProperty(); /* no implementation */
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jsdProperty(const jsdProperty&); /* no implementation */
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PRBool mValid;
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LiveEphemeral mLiveListEntry;
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JSDContext *mCx;
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JSDProperty *mProperty;
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};
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class jsdScript : public jsdIScript
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_JSDISCRIPT
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NS_DECL_JSDIEPHEMERAL
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdScript (JSDContext *aCx, JSDScript *aScript);
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virtual ~jsdScript();
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static jsdIScript *FromPtr (JSDContext *aCx, JSDScript *aScript)
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{
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if (!aScript)
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return nsnull;
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void *data = JSD_GetScriptPrivate (aScript);
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jsdIScript *rv;
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if (data) {
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rv = NS_STATIC_CAST(jsdIScript *, data);
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} else {
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rv = new jsdScript (aCx, aScript);
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NS_IF_ADDREF(rv); /* addref for the SetScriptPrivate, released in
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* Invalidate() */
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JSD_SetScriptPrivate (aScript, NS_STATIC_CAST(void *, rv));
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}
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NS_IF_ADDREF(rv); /* addref for return value */
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return rv;
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}
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static void InvalidateAll();
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private:
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static PRUint32 LastTag;
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jsdScript(); /* no implementation */
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jsdScript (const jsdScript&); /* no implementation */
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PCMapEntry* CreatePPLineMap();
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PRUint32 PPPcToLine(PRUint32 aPC);
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PRUint32 PPLineToPc(PRUint32 aLine);
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PRBool mValid;
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PRUint32 mTag;
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JSDContext *mCx;
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JSDScript *mScript;
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nsCString *mFileName;
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nsCString *mFunctionName;
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PRUint32 mBaseLineNumber, mLineExtent;
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PCMapEntry *mPPLineMap;
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PRUint32 mPCMapSize;
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jsuword mFirstPC;
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};
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PRUint32 jsdScript::LastTag = 0;
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class jsdStackFrame : public jsdIStackFrame
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_JSDISTACKFRAME
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NS_DECL_JSDIEPHEMERAL
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdStackFrame (JSDContext *aCx, JSDThreadState *aThreadState,
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JSDStackFrameInfo *aStackFrameInfo) :
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mCx(aCx), mThreadState(aThreadState), mStackFrameInfo(aStackFrameInfo)
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{
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mValid = (aCx && aThreadState && aStackFrameInfo);
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NS_INIT_ISUPPORTS();
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}
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/* XXX These things are only valid for a short period of time, they reflect
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* state in the js engine that will go away after stepping past wherever
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* we were stopped at when this was created. We could keep a list of every
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* instance of this we've created, and "invalidate" them before we let the
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* engine continue. The next time we need a threadstate, we can search the
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* list to find an invalidated one, and just reuse it.
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*/
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static jsdIStackFrame *FromPtr (JSDContext *aCx,
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JSDThreadState *aThreadState,
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JSDStackFrameInfo *aStackFrameInfo)
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{
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if (!aStackFrameInfo)
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return nsnull;
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jsdIStackFrame *rv = new jsdStackFrame (aCx, aThreadState,
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aStackFrameInfo);
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NS_IF_ADDREF(rv);
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return rv;
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}
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private:
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jsdStackFrame(); /* no implementation */
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jsdStackFrame(const jsdStackFrame&); /* no implementation */
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PRBool mValid;
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JSDContext *mCx;
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JSDThreadState *mThreadState;
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JSDStackFrameInfo *mStackFrameInfo;
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};
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class jsdValue : public jsdIValue
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_JSDIVALUE
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NS_DECL_JSDIEPHEMERAL
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdValue (JSDContext *aCx, JSDValue *aValue);
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virtual ~jsdValue();
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static jsdIValue *FromPtr (JSDContext *aCx, JSDValue *aValue)
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{
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if (!aValue)
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return nsnull;
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jsdIValue *rv;
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rv = new jsdValue (aCx, aValue);
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NS_IF_ADDREF(rv);
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return rv;
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}
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static void InvalidateAll();
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private:
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jsdValue(); /* no implementation */
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jsdValue (const jsdScript&); /* no implementation */
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PRBool mValid;
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LiveEphemeral mLiveListEntry;
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JSDContext *mCx;
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JSDValue *mValue;
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};
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/******************************************************************************
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* debugger service
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******************************************************************************/
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class jsdService : public jsdIDebuggerService
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_JSDIDEBUGGERSERVICE
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jsdService() : mInitAtStartup(triUnknown), mOn(PR_FALSE), mPauseLevel(0),
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mNestedLoopLevel(0), mCx(0), mRuntime(0), mErrorHook(0),
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mBreakpointHook(0), mDebugHook(0), mDebuggerHook(0),
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mInterruptHook(0), mScriptHook(0), mThrowHook(0),
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mTopLevelHook(0), mFunctionHook(0)
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{
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NS_INIT_ISUPPORTS();
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}
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virtual ~jsdService()
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{
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ClearFilters();
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Off();
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}
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static jsdService *GetService ();
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private:
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enum Tristate {
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triUnknown = 0U,
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triYes = 1U,
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triNo = 2U
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};
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Tristate mInitAtStartup;
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PRBool mOn;
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PRUint32 mPauseLevel;
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PRUint32 mNestedLoopLevel;
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JSDContext *mCx;
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JSRuntime *mRuntime;
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nsCOMPtr<jsdIErrorHook> mErrorHook;
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nsCOMPtr<jsdIExecutionHook> mBreakpointHook;
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nsCOMPtr<jsdIExecutionHook> mDebugHook;
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nsCOMPtr<jsdIExecutionHook> mDebuggerHook;
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nsCOMPtr<jsdIExecutionHook> mInterruptHook;
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nsCOMPtr<jsdIScriptHook> mScriptHook;
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nsCOMPtr<jsdIExecutionHook> mThrowHook;
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nsCOMPtr<jsdICallHook> mTopLevelHook;
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nsCOMPtr<jsdICallHook> mFunctionHook;
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};
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#endif /* JSDSERVICE_H___ */
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/* graveyard */
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#if 0
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class jsdContext : public jsdIContext
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_JSDICONTEXT
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdContext (JSDContext *aCx) : mCx(aCx)
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{
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NS_INIT_ISUPPORTS();
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printf ("++++++ jsdContext\n");
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}
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static jsdIContext *FromPtr (JSDContext *aCx)
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{
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if (!aCx)
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return nsnull;
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void *data = JSD_GetContextPrivate (aCx);
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jsdIContext *rv;
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if (data) {
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rv = NS_STATIC_CAST(jsdIContext *, data);
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} else {
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rv = new jsdContext (aCx);
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NS_IF_ADDREF(rv); // addref for the SetContextPrivate
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JSD_SetContextPrivate (aCx, NS_STATIC_CAST(void *, rv));
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}
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NS_IF_ADDREF(rv); // addref for the return value
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return rv;
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}
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virtual ~jsdContext() { printf ("------ ~jsdContext\n"); }
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private:
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jsdContext(); /* no implementation */
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jsdContext(const jsdContext&); /* no implementation */
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JSDContext *mCx;
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};
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class jsdThreadState : public jsdIThreadState
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_JSDITHREADSTATE
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/* you'll normally use use FromPtr() instead of directly constructing one */
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jsdThreadState (JSDContext *aCx, JSDThreadState *aThreadState) :
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mCx(aCx), mThreadState(aThreadState)
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{
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NS_INIT_ISUPPORTS();
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}
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/* XXX These things are only valid for a short period of time, they reflect
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* state in the js engine that will go away after stepping past wherever
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* we were stopped at when this was created. We could keep a list of every
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* instance of this we've created, and "invalidate" them before we let the
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* engine continue. The next time we need a threadstate, we can search the
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* list to find an invalidated one, and just reuse it.
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*/
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static jsdIThreadState *FromPtr (JSDContext *aCx,
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JSDThreadState *aThreadState)
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{
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if (!aThreadState)
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return nsnull;
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jsdIThreadState *rv = new jsdThreadState (aCx, aThreadState);
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NS_IF_ADDREF(rv);
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return rv;
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}
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private:
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jsdThreadState(); /* no implementation */
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jsdThreadState(const jsdThreadState&); /* no implementation */
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JSDContext *mCx;
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JSDThreadState *mThreadState;
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};
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#endif
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