JSTrapStatus
jsd_TrapHandler(JSContext *cx, JSScript *script_, jsbytecode *pc, jsval *rval,
jsval closure)
{
JS::RootedScript script(cx, script_);
JSDExecHook* jsdhook = (JSDExecHook*) JSVAL_TO_PRIVATE(closure);
JSD_ExecutionHookProc hook;
void* hookData;
JSDContext* jsdc;
JSDScript* jsdscript;
JSD_LOCK();
if( NULL == (jsdc = jsd_JSDContextForJSContext(cx)) ||
! _isActiveHook(jsdc, script, jsdhook) )
{
JSD_UNLOCK();
return JSTRAP_CONTINUE;
}
JSD_ASSERT_VALID_EXEC_HOOK(jsdhook);
JS_ASSERT(!jsdhook->pc || jsdhook->pc == (uintptr_t)pc);
JS_ASSERT(jsdhook->jsdscript->script == script);
JS_ASSERT(jsdhook->jsdscript->jsdc == jsdc);
hook = jsdhook->hook;
hookData = jsdhook->callerdata;
jsdscript = jsdhook->jsdscript;
/* do not use jsdhook-> after this point */
JSD_UNLOCK();
if( ! jsdc || ! jsdc->inited )
return JSTRAP_CONTINUE;
if( JSD_IS_DANGEROUS_THREAD(jsdc) )
return JSTRAP_CONTINUE;
#ifdef LIVEWIRE
if( ! jsdlw_UserCodeAtPC(jsdc, jsdscript, (uintptr_t)pc) )
return JSTRAP_CONTINUE;
#endif
return jsd_CallExecutionHook(jsdc, cx, JSD_HOOK_BREAKPOINT,
hook, hookData, rval);
}
JSD_JSDContextForJSContext(JSContext* context)
{
return jsd_JSDContextForJSContext(context);
}
jsd_ErrorReporter(JSContext *cx, const char *message, JSErrorReport *report)
{
JSDContextWrapper* wrapper;
JSDContext* jsdc;
uintN action = JSD_ERROR_REPORTER_PASS_ALONG;
JSD_ErrorReporter errorReporter;
void* errorReporterData;
jsdc = jsd_JSDContextForJSContext(cx);
if( ! jsdc )
{
PR_ASSERT(0);
return;
}
wrapper = _jsd_JSDContextWrapperForJSContext(jsdc, cx);
if( ! wrapper )
{
PR_ASSERT(0);
return;
}
/* local in case hook gets cleared on another thread */
JSD_LOCK();
errorReporter = jsdc->errorReporter;
errorReporterData = jsdc->errorReporterData;
JSD_UNLOCK();
if( errorReporter && ! JSD_IS_DANGEROUS_THREAD(jsdc) )
action = errorReporter(jsdc, cx, message, report,
errorReporterData);
switch(action)
{
case JSD_ERROR_REPORTER_PASS_ALONG:
if( wrapper->originalErrorReporter )
wrapper->originalErrorReporter(cx, message, report);
break;
case JSD_ERROR_REPORTER_RETURN:
break;
case JSD_ERROR_REPORTER_DEBUG:
{
JSDThreadState* jsdthreadstate;
jsdthreadstate = jsd_NewThreadState(jsdc,cx);
if( jsdthreadstate )
{
JSD_ExecutionHookProc hook;
void* hookData;
/* local in case hook gets cleared on another thread */
JSD_LOCK();
hook = jsdc->debugBreakHook;
hookData = jsdc->debugBreakHookData;
JSD_UNLOCK();
if(hook)
hook(jsdc, jsdthreadstate,
JSD_HOOK_DEBUG_REQUESTED, hookData);
jsd_DestroyThreadState(jsdc, jsdthreadstate);
}
break;
}
default:
PR_ASSERT(0);
break;
}
}