示例#1
0
JSString*
jsd_ValToStringInStackFrame(JSDContext* jsdc, 
                            JSDThreadState* jsdthreadstate,
                            JSDStackFrameInfo* jsdframe,
                            jsval val)
{
    JSBool valid;
    JSString* retval;
    JSExceptionState* exceptionState;
    JSContext* cx;

    JSD_LOCK_THREADSTATES(jsdc);
    valid = jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe);
    JSD_UNLOCK_THREADSTATES(jsdc);

    if( ! valid )
        return NULL;

    cx = jsdthreadstate->context;
    JS_ASSERT(cx);

    exceptionState = JS_SaveExceptionState(cx);
    retval = JS_ValueToString(cx, val);
    JS_RestoreExceptionState(cx, exceptionState);

    return retval;
}
示例#2
0
JSString*
jsd_GetIdForStackFrame(JSDContext* jsdc, 
                       JSDThreadState* jsdthreadstate,
                       JSDStackFrameInfo* jsdframe)
{
    JSString *rv = NULL;
    
    JSD_LOCK_THREADSTATES(jsdc);
    
    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
    {
        JSFunction *fun = JS_GetFrameFunction (jsdthreadstate->context,
                                               jsdframe->fp);
        if( fun )
        {
            rv = JS_GetFunctionId (fun);

            /*
             * For compatibility we return "anonymous", not an empty string
             * here.
             */
            if( !rv )
                rv = JS_GetAnonymousString(jsdc->jsrt);
        }
    }
    
    JSD_UNLOCK_THREADSTATES(jsdc);
    return rv;
}
示例#3
0
static JSContext*
_getContextForThreadState(JSDContext* jsdc, JSDThreadState* jsdthreadstate)
{
    JSBool valid;
    JSD_LOCK_THREADSTATES(jsdc);
    valid = jsd_IsValidThreadState(jsdc, jsdthreadstate);
    JSD_UNLOCK_THREADSTATES(jsdc);
    if( valid )
        return jsdthreadstate->context;
    return NULL;
}        
示例#4
0
JSContext *
jsd_GetJSContext (JSDContext* jsdc, JSDThreadState* jsdthreadstate)
{
    JSContext* cx = NULL;

    JSD_LOCK_THREADSTATES(jsdc);
    if( jsd_IsValidThreadState(jsdc, jsdthreadstate) )
        cx = jsdthreadstate->context;
    JSD_UNLOCK_THREADSTATES(jsdc);

    return cx;
}
示例#5
0
JSDStackFrameInfo*
jsd_GetStackFrame(JSDContext* jsdc, JSDThreadState* jsdthreadstate)
{
    JSDStackFrameInfo* jsdframe = NULL;

    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidThreadState(jsdc, jsdthreadstate) )
        jsdframe = (JSDStackFrameInfo*) JS_LIST_HEAD(&jsdthreadstate->stack);
    JSD_UNLOCK_THREADSTATES(jsdc);

    return jsdframe;
}
示例#6
0
uintN
jsd_GetCountOfStackFrames(JSDContext* jsdc, JSDThreadState* jsdthreadstate)
{
    uintN count = 0;

    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidThreadState(jsdc, jsdthreadstate) )
        count = jsdthreadstate->stackDepth;

    JSD_UNLOCK_THREADSTATES(jsdc);

    return count;
}
示例#7
0
jsuword
jsd_GetPCForStackFrame(JSDContext* jsdc, 
                       JSDThreadState* jsdthreadstate,
                       JSDStackFrameInfo* jsdframe)
{
    jsuword pc = 0;

    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
        pc = jsdframe->pc;

    JSD_UNLOCK_THREADSTATES(jsdc);

    return pc;
}
示例#8
0
JSBool
jsd_IsStackFrameConstructing(JSDContext* jsdc, 
                             JSDThreadState* jsdthreadstate,
                             JSDStackFrameInfo* jsdframe)
{
    JSBool rv = JS_TRUE;
    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
    {
        rv = JS_IsConstructorFrame(jsdthreadstate->context, jsdframe->fp);
    }

    JSD_UNLOCK_THREADSTATES(jsdc);
    return rv;
}
示例#9
0
JSDScript*
jsd_GetScriptForStackFrame(JSDContext* jsdc, 
                           JSDThreadState* jsdthreadstate,
                           JSDStackFrameInfo* jsdframe)
{
    JSDScript* jsdscript = NULL;

    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
        jsdscript = jsdframe->jsdscript;

    JSD_UNLOCK_THREADSTATES(jsdc);

    return jsdscript;
}
示例#10
0
JSDStackFrameInfo*
jsd_GetCallingStackFrame(JSDContext* jsdc, 
                         JSDThreadState* jsdthreadstate,
                         JSDStackFrameInfo* jsdframe)
{
    JSDStackFrameInfo* nextjsdframe = NULL;

    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
        if( JS_LIST_HEAD(&jsdframe->links) != &jsdframe->jsdthreadstate->stack )
            nextjsdframe = (JSDStackFrameInfo*) JS_LIST_HEAD(&jsdframe->links);

    JSD_UNLOCK_THREADSTATES(jsdc);

    return nextjsdframe;
}
示例#11
0
JSDValue*
jsd_GetThisForStackFrame(JSDContext* jsdc, 
                         JSDThreadState* jsdthreadstate,
                         JSDStackFrameInfo* jsdframe)
{
    JSObject* obj;
    JSDValue* jsdval = NULL;
    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
    {
        obj = JS_GetFrameThis(jsdthreadstate->context, jsdframe->fp);
        if(obj)
            jsdval = JSD_NewValue(jsdc, OBJECT_TO_JSVAL(obj));
    }

    JSD_UNLOCK_THREADSTATES(jsdc);
    return jsdval;
}
示例#12
0
const char*
jsd_GetNameForStackFrame(JSDContext* jsdc, 
                         JSDThreadState* jsdthreadstate,
                         JSDStackFrameInfo* jsdframe)
{
    const char *rv = NULL;
    
    JSD_LOCK_THREADSTATES(jsdc);
    
    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
    {
        JSFunction *fun = JS_GetFrameFunction (jsdthreadstate->context,
                                               jsdframe->fp);
        if (fun)
            rv = JS_GetFunctionName (fun);
    }
    
    JSD_UNLOCK_THREADSTATES(jsdc);
    return rv;
}
示例#13
0
void
jsd_DestroyThreadState(JSDContext* jsdc, JSDThreadState* jsdthreadstate)
{
    JSDStackFrameInfo* jsdframe;
    JSCList* list;

    JS_ASSERT(jsdthreadstate);
    JS_ASSERT(JSD_CURRENT_THREAD() == jsdthreadstate->thread);

    JSD_LOCK_THREADSTATES(jsdc);
    JS_REMOVE_LINK(&jsdthreadstate->links);
    JSD_UNLOCK_THREADSTATES(jsdc);

    list = &jsdthreadstate->stack;
    while( (JSDStackFrameInfo*)list != (jsdframe = (JSDStackFrameInfo*)list->next) )
    {
        JS_REMOVE_LINK(&jsdframe->links);
        _destroyFrame(jsdframe);
    }
    free(jsdthreadstate);
}
示例#14
0
JSBool
jsd_IsStackFrameNative(JSDContext* jsdc, 
                       JSDThreadState* jsdthreadstate,
                       JSDStackFrameInfo* jsdframe)
{
    JSBool rv;
    
    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
    {
        rv = JS_IsNativeFrame(jsdthreadstate->context, jsdframe->fp);
    }
    else
    {
        rv = JS_FALSE;
    }

    JSD_UNLOCK_THREADSTATES(jsdc);
    return rv;
}
示例#15
0
JSDValue*
jsd_GetThisForStackFrame(JSDContext* jsdc, 
                         JSDThreadState* jsdthreadstate,
                         JSDStackFrameInfo* jsdframe)
{
    JSObject* obj;
    JSDValue* jsdval = NULL;
    JSD_LOCK_THREADSTATES(jsdc);

    if( jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe) )
    {
        JSBool ok;
        jsval thisval;
        JS_BeginRequest(jsdthreadstate->context);
        ok = JS_GetFrameThis(jsdthreadstate->context, jsdframe->fp, &thisval);
        JS_EndRequest(jsdthreadstate->context);
        if(ok)
            jsdval = JSD_NewValue(jsdc, thisval);
    }

    JSD_UNLOCK_THREADSTATES(jsdc);
    return jsdval;
}
示例#16
0
JSBool
jsd_EvaluateScriptInStackFrame(JSDContext* jsdc, 
                               JSDThreadState* jsdthreadstate,
                               JSDStackFrameInfo* jsdframe,
                               const char *bytes, uintN length,
                               const char *filename, uintN lineno,
                               JSBool eatExceptions, jsval *rval)
{
    JSBool retval;
    JSBool valid;
    JSExceptionState* exceptionState = NULL;
    JSContext *cx;

    JS_ASSERT(JSD_CURRENT_THREAD() == jsdthreadstate->thread);

    JSD_LOCK_THREADSTATES(jsdc);
    valid = jsd_IsValidFrameInThreadState(jsdc, jsdthreadstate, jsdframe);
    JSD_UNLOCK_THREADSTATES(jsdc);

    if (!valid)
        return JS_FALSE;

    cx = jsdthreadstate->context;
    JS_ASSERT(cx);

    if (eatExceptions)
        exceptionState = JS_SaveExceptionState(cx);
    JS_ClearPendingException(cx);
    jsd_StartingEvalUsingFilename(jsdc, filename);
    retval = JS_EvaluateInStackFrame(cx, jsdframe->fp, bytes, length,
                                     filename, lineno, rval);
    jsd_FinishedEvalUsingFilename(jsdc, filename);
    if (eatExceptions)
        JS_RestoreExceptionState(cx, exceptionState);

    return retval;
}
示例#17
0
JSDThreadState*
jsd_NewThreadState(JSDContext* jsdc, JSContext *cx )
{
    JSDThreadState* jsdthreadstate;
    JSStackFrame *  iter = NULL;
    JSStackFrame *  fp;

    jsdthreadstate = (JSDThreadState*)calloc(1, sizeof(JSDThreadState));
    if( ! jsdthreadstate )
        return NULL;

    jsdthreadstate->context = cx;
    jsdthreadstate->thread = JSD_CURRENT_THREAD();
    JS_INIT_CLIST(&jsdthreadstate->stack);
    jsdthreadstate->stackDepth = 0;

    JS_BeginRequest(jsdthreadstate->context);
    while( NULL != (fp = JS_FrameIterator(cx, &iter)) )
    {
        JSScript* script = JS_GetFrameScript(cx, fp);
        jsuword  pc = (jsuword) JS_GetFramePC(cx, fp);

        /*
         * don't construct a JSDStackFrame for dummy frames (those without a
         * |this| object, or native frames, if JSD_INCLUDE_NATIVE_FRAMES
         * isn't set.
         */
        if (JS_GetFrameThis(cx, fp) &&
            ((jsdc->flags & JSD_INCLUDE_NATIVE_FRAMES) ||
             !JS_IsNativeFrame(cx, fp)))
        {
            JSDStackFrameInfo *frame;

            frame = _addNewFrame( jsdc, jsdthreadstate, script, pc, fp );

            if ((jsdthreadstate->stackDepth == 0 && !frame) ||
                (jsdthreadstate->stackDepth == 1 && frame &&
                 frame->jsdscript && !JSD_IS_DEBUG_ENABLED(jsdc, frame->jsdscript)))
            {
                /*
                 * if we failed to create the first frame, or the top frame
                 * is not enabled for debugging, fail the entire thread state.
                 */
                JS_INIT_CLIST(&jsdthreadstate->links);
                JS_EndRequest(jsdthreadstate->context);
                jsd_DestroyThreadState(jsdc, jsdthreadstate);
                return NULL;
            }
        }
    }
    JS_EndRequest(jsdthreadstate->context);

    if (jsdthreadstate->stackDepth == 0)
    {
        free(jsdthreadstate);
        return NULL;
    }
    
    JSD_LOCK_THREADSTATES(jsdc);
    JS_APPEND_LINK(&jsdthreadstate->links, &jsdc->threadsStates);
    JSD_UNLOCK_THREADSTATES(jsdc);

    return jsdthreadstate;
}