int
TclOO_Object_Eval(
ClientData clientData, /* Ignored. */
Tcl_Interp *interp, /* Interpreter in which to create the object;
* also used for error reporting. */
Tcl_ObjectContext context, /* The object/call context. */
int objc, /* Number of arguments. */
Tcl_Obj *const *objv) /* The actual arguments. */
{
CallContext *contextPtr = (CallContext *) context;
Tcl_Object object = Tcl_ObjectContextObject(context);
register const int skip = Tcl_ObjectContextSkippedArgs(context);
CallFrame *framePtr, **framePtrPtr = &framePtr;
Tcl_Obj *scriptPtr;
CmdFrame *invoker;
if (objc-1 < skip) {
Tcl_WrongNumArgs(interp, skip, objv, "arg ?arg ...?");
return TCL_ERROR;
}
/*
* Make the object's namespace the current namespace and evaluate the
* command(s).
*/
(void) TclPushStackFrame(interp, (Tcl_CallFrame **) framePtrPtr,
Tcl_GetObjectNamespace(object), 0);
framePtr->objc = objc;
framePtr->objv = objv; /* Reference counts do not need to be
* incremented here. */
if (!(contextPtr->callPtr->flags & PUBLIC_METHOD)) {
object = NULL; /* Now just for error mesage printing. */
}
/*
* Work out what script we are actually going to evaluate.
*
* When there's more than one argument, we concatenate them together with
* spaces between, then evaluate the result. Tcl_EvalObjEx will delete the
* object when it decrements its refcount after eval'ing it.
*/
if (objc != skip+1) {
scriptPtr = Tcl_ConcatObj(objc-skip, objv+skip);
invoker = NULL;
} else {
scriptPtr = objv[skip];
invoker = ((Interp *) interp)->cmdFramePtr;
}
/*
* Evaluate the script now, with FinalizeEval to do the processing after
* the script completes.
*/
TclNRAddCallback(interp, FinalizeEval, object, NULL, NULL, NULL);
return TclNREvalObjEx(interp, scriptPtr, 0, invoker, skip);
}
/* ARGSUSED */
int
Tcl_AfterObjCmd(
ClientData clientData, /* Unused */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tcl_WideInt ms = 0; /* Number of milliseconds to wait */
Tcl_Time wakeup;
AfterInfo *afterPtr;
AfterAssocData *assocPtr;
int length;
int index;
static const char *const afterSubCmds[] = {
"cancel", "idle", "info", NULL
};
enum afterSubCmds {AFTER_CANCEL, AFTER_IDLE, AFTER_INFO};
ThreadSpecificData *tsdPtr = InitTimer();
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
return TCL_ERROR;
}
/*
* Create the "after" information associated for this interpreter, if it
* doesn't already exist.
*/
assocPtr = Tcl_GetAssocData(interp, "tclAfter", NULL);
if (assocPtr == NULL) {
assocPtr = ckalloc(sizeof(AfterAssocData));
assocPtr->interp = interp;
assocPtr->firstAfterPtr = NULL;
Tcl_SetAssocData(interp, "tclAfter", AfterCleanupProc, assocPtr);
}
/*
* First lets see if the command was passed a number as the first argument.
*/
if (objv[1]->typePtr == &tclIntType
#ifndef TCL_WIDE_INT_IS_LONG
|| objv[1]->typePtr == &tclWideIntType
#endif
|| objv[1]->typePtr == &tclBignumType
|| (Tcl_GetIndexFromObj(NULL, objv[1], afterSubCmds, "", 0,
&index) != TCL_OK)) {
index = -1;
if (Tcl_GetWideIntFromObj(NULL, objv[1], &ms) != TCL_OK) {
const char *arg = Tcl_GetString(objv[1]);
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"bad argument \"%s\": must be"
" cancel, idle, info, or an integer", arg));
Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "argument",
arg, NULL);
return TCL_ERROR;
}
}
/*
* At this point, either index = -1 and ms contains the number of ms
* to wait, or else index is the index of a subcommand.
*/
switch (index) {
case -1: {
if (ms < 0) {
ms = 0;
}
if (objc == 2) {
return AfterDelay(interp, ms);
}
afterPtr = ckalloc(sizeof(AfterInfo));
afterPtr->assocPtr = assocPtr;
if (objc == 3) {
afterPtr->commandPtr = objv[2];
} else {
afterPtr->commandPtr = Tcl_ConcatObj(objc-2, objv+2);
}
Tcl_IncrRefCount(afterPtr->commandPtr);
/*
* The variable below is used to generate unique identifiers for after
* commands. This id can wrap around, which can potentially cause
* problems. However, there are not likely to be problems in practice,
* because after commands can only be requested to about a month in
* the future, and wrap-around is unlikely to occur in less than about
* 1-10 years. Thus it's unlikely that any old ids will still be
* around when wrap-around occurs.
*/
afterPtr->id = tsdPtr->afterId;
tsdPtr->afterId += 1;
Tcl_GetTime(&wakeup);
wakeup.sec += (long)(ms / 1000);
wakeup.usec += ((long)(ms % 1000)) * 1000;
if (wakeup.usec > 1000000) {
wakeup.sec++;
wakeup.usec -= 1000000;
}
afterPtr->token = TclCreateAbsoluteTimerHandler(&wakeup,
AfterProc, afterPtr);
afterPtr->nextPtr = assocPtr->firstAfterPtr;
assocPtr->firstAfterPtr = afterPtr;
Tcl_SetObjResult(interp, Tcl_ObjPrintf("after#%d", afterPtr->id));
return TCL_OK;
}
case AFTER_CANCEL: {
Tcl_Obj *commandPtr;
const char *command, *tempCommand;
int tempLength;
if (objc < 3) {
Tcl_WrongNumArgs(interp, 2, objv, "id|command");
return TCL_ERROR;
}
if (objc == 3) {
commandPtr = objv[2];
} else {
commandPtr = Tcl_ConcatObj(objc-2, objv+2);;
}
command = TclGetStringFromObj(commandPtr, &length);
for (afterPtr = assocPtr->firstAfterPtr; afterPtr != NULL;
afterPtr = afterPtr->nextPtr) {
tempCommand = TclGetStringFromObj(afterPtr->commandPtr,
&tempLength);
if ((length == tempLength)
&& !memcmp(command, tempCommand, (unsigned) length)) {
break;
}
}
if (afterPtr == NULL) {
afterPtr = GetAfterEvent(assocPtr, commandPtr);
}
if (objc != 3) {
Tcl_DecrRefCount(commandPtr);
}
if (afterPtr != NULL) {
if (afterPtr->token != NULL) {
Tcl_DeleteTimerHandler(afterPtr->token);
} else {
Tcl_CancelIdleCall(AfterProc, afterPtr);
}
FreeAfterPtr(afterPtr);
}
break;
}
case AFTER_IDLE:
if (objc < 3) {
Tcl_WrongNumArgs(interp, 2, objv, "script ?script ...?");
return TCL_ERROR;
}
afterPtr = ckalloc(sizeof(AfterInfo));
afterPtr->assocPtr = assocPtr;
if (objc == 3) {
afterPtr->commandPtr = objv[2];
} else {
afterPtr->commandPtr = Tcl_ConcatObj(objc-2, objv+2);
}
Tcl_IncrRefCount(afterPtr->commandPtr);
afterPtr->id = tsdPtr->afterId;
tsdPtr->afterId += 1;
afterPtr->token = NULL;
afterPtr->nextPtr = assocPtr->firstAfterPtr;
assocPtr->firstAfterPtr = afterPtr;
Tcl_DoWhenIdle(AfterProc, afterPtr);
Tcl_SetObjResult(interp, Tcl_ObjPrintf("after#%d", afterPtr->id));
break;
case AFTER_INFO:
if (objc == 2) {
Tcl_Obj *resultObj = Tcl_NewObj();
for (afterPtr = assocPtr->firstAfterPtr; afterPtr != NULL;
afterPtr = afterPtr->nextPtr) {
if (assocPtr->interp == interp) {
Tcl_ListObjAppendElement(NULL, resultObj, Tcl_ObjPrintf(
"after#%d", afterPtr->id));
}
}
Tcl_SetObjResult(interp, resultObj);
return TCL_OK;
}
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "?id?");
return TCL_ERROR;
}
afterPtr = GetAfterEvent(assocPtr, objv[2]);
if (afterPtr == NULL) {
const char *eventStr = TclGetString(objv[2]);
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"event \"%s\" doesn't exist", eventStr));
Tcl_SetErrorCode(interp, "TCL","LOOKUP","EVENT", eventStr, NULL);
return TCL_ERROR;
} else {
Tcl_Obj *resultListPtr = Tcl_NewObj();
Tcl_ListObjAppendElement(interp, resultListPtr,
afterPtr->commandPtr);
Tcl_ListObjAppendElement(interp, resultListPtr, Tcl_NewStringObj(
(afterPtr->token == NULL) ? "idle" : "timer", -1));
Tcl_SetObjResult(interp, resultListPtr);
}
break;
default:
Tcl_Panic("Tcl_AfterObjCmd: bad subcommand index to afterSubCmds");
}
return TCL_OK;
}
static int
Send(
LPDISPATCH pdispInterp, /* Pointer to the remote interp's COM
* object. */
Tcl_Interp *interp, /* The local interpreter. */
int async, /* Flag for the calling style. */
ClientData clientData, /* The RegisteredInterp structure for this
* interp. */
int objc, /* Number of arguments to be sent. */
Tcl_Obj *const objv[]) /* The arguments to be sent. */
{
VARIANT vCmd, vResult;
DISPPARAMS dp;
EXCEPINFO ei;
UINT uiErr = 0;
HRESULT hr = S_OK, ehr = S_OK;
Tcl_Obj *cmd = NULL;
DISPID dispid;
cmd = Tcl_ConcatObj(objc, objv);
/*
* Setup the arguments for the COM method call.
*/
VariantInit(&vCmd);
VariantInit(&vResult);
memset(&dp, 0, sizeof(dp));
memset(&ei, 0, sizeof(ei));
vCmd.vt = VT_BSTR;
vCmd.bstrVal = SysAllocString(Tcl_GetUnicode(cmd));
dp.cArgs = 1;
dp.rgvarg = &vCmd;
/*
* Select the method to use based upon the async flag and call the method.
*/
dispid = async ? TKWINSENDCOM_DISPID_ASYNC : TKWINSENDCOM_DISPID_SEND;
hr = pdispInterp->lpVtbl->Invoke(pdispInterp, dispid,
&IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_METHOD,
&dp, &vResult, &ei, &uiErr);
/*
* Convert the result into a string and place in the interps result.
*/
ehr = VariantChangeType(&vResult, &vResult, 0, VT_BSTR);
if (SUCCEEDED(ehr)) {
Tcl_SetObjResult(interp, Tcl_NewUnicodeObj(vResult.bstrVal, -1));
}
/*
* Errors are returned as dispatch exceptions. If an error code was
* returned then we decode the exception and setup the Tcl error
* variables.
*/
if (hr == DISP_E_EXCEPTION && ei.bstrSource != NULL) {
Tcl_Obj *opError, *opErrorCode, *opErrorInfo;
opError = Tcl_NewUnicodeObj(ei.bstrSource, -1);
Tcl_ListObjIndex(interp, opError, 0, &opErrorCode);
Tcl_SetObjErrorCode(interp, opErrorCode);
Tcl_ListObjIndex(interp, opError, 1, &opErrorInfo);
Tcl_AppendObjToErrorInfo(interp, opErrorInfo);
}
/*
* Clean up any COM allocated resources.
*/
SysFreeString(ei.bstrDescription);
SysFreeString(ei.bstrSource);
SysFreeString(ei.bstrHelpFile);
VariantClear(&vCmd);
return (SUCCEEDED(hr) ? TCL_OK : TCL_ERROR);
}