if( NOT_SET_YET == jsdscript->lineExtent )
if( NOT_SET_YET == (int)jsdscript->lineExtent )
jsd_GetScriptLineExtent(JSDContext* jsdc, JSDScript *jsdscript){    if( NOT_SET_YET == jsdscript->lineExtent )        jsdscript->lineExtent = JS_GetScriptLineExtent(jsdc->dumbContext, jsdscript->script);    return jsdscript->lineExtent;}