RetroZilla/js/jsd/jsd_xpc.h
2015-10-20 23:03:22 -04:00

404 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 4; 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.org code.
*
* 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):
* Robert Ginda, <rginda@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef JSDSERVICE_H___
#define JSDSERVICE_H___
#include "jsdIDebuggerService.h"
#include "jsdebug.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nspr.h"
// #if defined(DEBUG_rginda_l)
// # define DEBUG_verbose
// #endif
struct LiveEphemeral {
/* link in a chain of live values list */
PRCList links;
jsdIEphemeral *value;
void *key;
};
struct PCMapEntry {
PRUint32 pc, line;
};
/*******************************************************************************
* reflected jsd data structures
*******************************************************************************/
class jsdObject : public jsdIObject
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDIOBJECT
/* you'll normally use use FromPtr() instead of directly constructing one */
jsdObject (JSDContext *aCx, JSDObject *aObject) :
mCx(aCx), mObject(aObject)
{
}
static jsdIObject *FromPtr (JSDContext *aCx,
JSDObject *aObject)
{
if (!aObject)
return nsnull;
jsdIObject *rv = new jsdObject (aCx, aObject);
NS_IF_ADDREF(rv);
return rv;
}
private:
jsdObject(); /* no implementation */
jsdObject(const jsdObject&); /* no implementation */
JSDContext *mCx;
JSDObject *mObject;
};
class jsdProperty : public jsdIProperty
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDIPROPERTY
NS_DECL_JSDIEPHEMERAL
jsdProperty (JSDContext *aCx, JSDProperty *aProperty);
virtual ~jsdProperty ();
static jsdIProperty *FromPtr (JSDContext *aCx,
JSDProperty *aProperty)
{
if (!aProperty)
return nsnull;
jsdIProperty *rv = new jsdProperty (aCx, aProperty);
NS_IF_ADDREF(rv);
return rv;
}
static void InvalidateAll();
private:
jsdProperty(); /* no implementation */
jsdProperty(const jsdProperty&); /* no implementation */
PRBool mValid;
LiveEphemeral mLiveListEntry;
JSDContext *mCx;
JSDProperty *mProperty;
};
class jsdScript : public jsdIScript
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDISCRIPT
NS_DECL_JSDIEPHEMERAL
/* you'll normally use use FromPtr() instead of directly constructing one */
jsdScript (JSDContext *aCx, JSDScript *aScript);
virtual ~jsdScript();
static jsdIScript *FromPtr (JSDContext *aCx, JSDScript *aScript)
{
if (!aScript)
return nsnull;
void *data = JSD_GetScriptPrivate (aScript);
jsdIScript *rv;
if (data) {
rv = NS_STATIC_CAST(jsdIScript *, data);
} else {
rv = new jsdScript (aCx, aScript);
NS_IF_ADDREF(rv); /* addref for the SetScriptPrivate, released in
* Invalidate() */
JSD_SetScriptPrivate (aScript, NS_STATIC_CAST(void *, rv));
}
NS_IF_ADDREF(rv); /* addref for return value */
return rv;
}
static void InvalidateAll();
private:
static PRUint32 LastTag;
jsdScript(); /* no implementation */
jsdScript (const jsdScript&); /* no implementation */
PCMapEntry* CreatePPLineMap();
PRUint32 PPPcToLine(PRUint32 aPC);
PRUint32 PPLineToPc(PRUint32 aLine);
PRBool mValid;
PRUint32 mTag;
JSDContext *mCx;
JSDScript *mScript;
nsCString *mFileName;
nsCString *mFunctionName;
PRUint32 mBaseLineNumber, mLineExtent;
PCMapEntry *mPPLineMap;
PRUint32 mPCMapSize;
jsuword mFirstPC;
};
PRUint32 jsdScript::LastTag = 0;
class jsdContext : public jsdIContext
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDICONTEXT
NS_DECL_JSDIEPHEMERAL
jsdContext (JSDContext *aJSDCx, JSContext *aJSCx, nsISupports *aISCx);
virtual ~jsdContext();
static void InvalidateAll();
static jsdIContext *FromPtr (JSDContext *aJSDCx, JSContext *aJSCx);
private:
static PRUint32 LastTag;
jsdContext (); /* no implementation */
jsdContext (const jsdContext&); /* no implementation */
PRBool mValid;
LiveEphemeral mLiveListEntry;
PRUint32 mTag;
JSDContext *mJSDCx;
JSContext *mJSCx;
nsCOMPtr<nsISupports> mISCx;
};
PRUint32 jsdContext::LastTag = 0;
class jsdStackFrame : public jsdIStackFrame
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDISTACKFRAME
NS_DECL_JSDIEPHEMERAL
/* you'll normally use use FromPtr() instead of directly constructing one */
jsdStackFrame (JSDContext *aCx, JSDThreadState *aThreadState,
JSDStackFrameInfo *aStackFrameInfo);
virtual ~jsdStackFrame();
static void InvalidateAll();
static jsdIStackFrame* FromPtr (JSDContext *aCx,
JSDThreadState *aThreadState,
JSDStackFrameInfo *aStackFrameInfo);
private:
jsdStackFrame(); /* no implementation */
jsdStackFrame(const jsdStackFrame&); /* no implementation */
PRBool mValid;
LiveEphemeral mLiveListEntry;
JSDContext *mCx;
JSDThreadState *mThreadState;
JSDStackFrameInfo *mStackFrameInfo;
};
class jsdValue : public jsdIValue
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDIVALUE
NS_DECL_JSDIEPHEMERAL
/* you'll normally use use FromPtr() instead of directly constructing one */
jsdValue (JSDContext *aCx, JSDValue *aValue);
virtual ~jsdValue();
static jsdIValue *FromPtr (JSDContext *aCx, JSDValue *aValue);
static void InvalidateAll();
private:
jsdValue(); /* no implementation */
jsdValue (const jsdScript&); /* no implementation */
PRBool mValid;
LiveEphemeral mLiveListEntry;
JSDContext *mCx;
JSDValue *mValue;
};
/******************************************************************************
* debugger service
******************************************************************************/
class jsdService : public jsdIDebuggerService
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDIDEBUGGERSERVICE
jsdService() : mInitAtStartup(triUnknown), mOn(PR_FALSE), mPauseLevel(0),
mNestedLoopLevel(0), mCx(0), mRuntime(0), mErrorHook(0),
mBreakpointHook(0), mDebugHook(0), mDebuggerHook(0),
mInterruptHook(0), mScriptHook(0), mThrowHook(0),
mTopLevelHook(0), mFunctionHook(0)
{
}
virtual ~jsdService();
static jsdService *GetService ();
private:
enum Tristate {
triUnknown = 0U,
triYes = 1U,
triNo = 2U
};
Tristate mInitAtStartup;
PRBool mOn;
PRUint32 mPauseLevel;
PRUint32 mNestedLoopLevel;
JSDContext *mCx;
JSRuntime *mRuntime;
nsCOMPtr<jsdIErrorHook> mErrorHook;
nsCOMPtr<jsdIExecutionHook> mBreakpointHook;
nsCOMPtr<jsdIExecutionHook> mDebugHook;
nsCOMPtr<jsdIExecutionHook> mDebuggerHook;
nsCOMPtr<jsdIExecutionHook> mInterruptHook;
nsCOMPtr<jsdIScriptHook> mScriptHook;
nsCOMPtr<jsdIExecutionHook> mThrowHook;
nsCOMPtr<jsdICallHook> mTopLevelHook;
nsCOMPtr<jsdICallHook> mFunctionHook;
};
#endif /* JSDSERVICE_H___ */
/* graveyard */
#if 0
class jsdContext : public jsdIContext
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDICONTEXT
/* you'll normally use use FromPtr() instead of directly constructing one */
jsdContext (JSDContext *aCx) : mCx(aCx)
{
printf ("++++++ jsdContext\n");
}
static jsdIContext *FromPtr (JSDContext *aCx)
{
if (!aCx)
return nsnull;
void *data = JSD_GetContextPrivate (aCx);
jsdIContext *rv;
if (data) {
rv = NS_STATIC_CAST(jsdIContext *, data);
} else {
rv = new jsdContext (aCx);
NS_IF_ADDREF(rv); // addref for the SetContextPrivate
JSD_SetContextPrivate (aCx, NS_STATIC_CAST(void *, rv));
}
NS_IF_ADDREF(rv); // addref for the return value
return rv;
}
virtual ~jsdContext() { printf ("------ ~jsdContext\n"); }
private:
jsdContext(); /* no implementation */
jsdContext(const jsdContext&); /* no implementation */
JSDContext *mCx;
};
class jsdThreadState : public jsdIThreadState
{
public:
NS_DECL_ISUPPORTS
NS_DECL_JSDITHREADSTATE
/* you'll normally use use FromPtr() instead of directly constructing one */
jsdThreadState (JSDContext *aCx, JSDThreadState *aThreadState) :
mCx(aCx), mThreadState(aThreadState)
{
}
/* XXX These things are only valid for a short period of time, they reflect
* state in the js engine that will go away after stepping past wherever
* we were stopped at when this was created. We could keep a list of every
* instance of this we've created, and "invalidate" them before we let the
* engine continue. The next time we need a threadstate, we can search the
* list to find an invalidated one, and just reuse it.
*/
static jsdIThreadState *FromPtr (JSDContext *aCx,
JSDThreadState *aThreadState)
{
if (!aThreadState)
return nsnull;
jsdIThreadState *rv = new jsdThreadState (aCx, aThreadState);
NS_IF_ADDREF(rv);
return rv;
}
private:
jsdThreadState(); /* no implementation */
jsdThreadState(const jsdThreadState&); /* no implementation */
JSDContext *mCx;
JSDThreadState *mThreadState;
};
#endif