Subj : Re: JSD_SetExecutionHook
To   : netscape.public.mozilla.jseng
From : Shanti Rao
Date : Thu Mar 10 2005 09:09 pm

If you'd like some example code, look at http://www.jsdb.org/wrap_debug.cpp

The debugging system works fine, and I don't recall ever using a JSDScript.

Shanti

> The jsdebugger forum seems to be dead (not used) so I put my question here
> instead.
> 
> What is wrong with this basic outline?  (some code skipped for brevity)
> 
> rt = JS_NewRuntime(0x100000);
> cx = JS_NewContext(rt, 0x1000);
> global = JS_NewObject(cx, &global_class, NULL, NULL);
> JS_InitStandardClasses(cx, global);
> ...setup function structs here...
> JSBool ok= JS_DefineFunctions(cx, global, my_functions);
> 
> //Debugger setup part...
> JSDContext* pJSDContext = JSD_DebuggerOnForUser(rt, NULL, NULL);
> JSD_JSContextInUse(pJSDContext, cx);  //Associate the debugger with the
> context we are using.
> 
> //These are set from a DebugController wrapper class. this refers to the
> class itself.
> //The file scope DC... static methods just call back into the class
> JS_SetNewScriptHook(pRunTime,      &DCNewScriptHook, this );
> JS_SetExecuteHook(pRunTime,    &DCExecuteHook, this);
> 
> JSD_SetScriptHook(pJSDContext,     &DCScriptHookProc, this);
> JSD_SetThrowHook(pJSDContext,   &DCThrowHook, this);
> JSD_SetDebugBreakHook(pJSDContext, &DCDebugBreakHookProc, this );
> JSD_SetErrorReporter(pJSDContext,  &DCErrorReporter, this);
> 
> ok = JS_EvaluateScript(cx, global, script, strlen(script), filename, lineno,
> &rval);
> str = JS_ValueToString(cx, rval);
> JSD_DebuggerOff(pJSDContext);
> 
> I want to call JSD_SetExecutionHook to set a breakpoint.
> However it requires a JSDScript* as an argument.
> 
> Where do I call JSD_SetExecutionHook from and how do I get a JSDScript* in
> the first place?
> Do I need to load, compile, and execute instead of using JS_EvaluateScript?
> 
> What is the trick here?
> Thanks for your help!
> 
> So many callbacks...so little time....
> 
> Mike
> 
>

.