/*
 * Prototypes for static functions in this file
 */

static void		DupLambdaInternalRep(Tcl_Obj *objPtr,
			    Tcl_Obj *copyPtr);
static void		FreeLambdaInternalRep(Tcl_Obj *objPtr);
static int		InitArgsAndLocals(Tcl_Interp *interp, Tcl_Size skip);
static void		InitResolvedLocals(Tcl_Interp *interp,
			    ByteCode *codePtr, Var *defPtr,
			    Namespace *nsPtr);
static void		InitLocalCache(Proc *procPtr);
static void		ProcBodyDup(Tcl_Obj *srcPtr, Tcl_Obj *dupPtr);
static void		ProcBodyFree(Tcl_Obj *objPtr);
static int		ProcWrongNumArgs(Tcl_Interp *interp, Tcl_Size skip);
static void		MakeProcError(Tcl_Interp *interp,
			    Tcl_Obj *procNameObj);
static void		MakeLambdaError(Tcl_Interp *interp,
			    Tcl_Obj *procNameObj);
static int		SetLambdaFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);

static Tcl_NRPostProc ApplyNR2;
static Tcl_NRPostProc InterpProcNR2;


/*
 * The ProcBodyObjType type
 */

const Tcl_ObjType tclProcBodyType = {
    "procbody",			/* name for this type */

 *
 * Side effects:
 *	A new procedure gets created.
 *
 *----------------------------------------------------------------------
 */

#undef TclObjInterpProc2
int
Tcl_ProcObjCmd(
    TCL_UNUSED(void *),
    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Size objc,		/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{

	Tcl_AddErrorInfo(interp, "\n    (creating proc \"");
	Tcl_AddErrorInfo(interp, simpleName);
	Tcl_AddErrorInfo(interp, "\")");
	return TCL_ERROR;
    }

    cmd = TclNRCreateCommandInNs(interp, simpleName, (Tcl_Namespace *) nsPtr,
	TclObjInterpProc2, TclNRInterpProc, procPtr, TclProcDeleteProc);

    /*
     * Now initialize the new procedure's cmdPtr field. This will be used
     * later when the procedure is called to determine what namespace the
     * procedure will run in. This will be different than the current
     * namespace if the proc was renamed into a different namespace.
     */

    Tcl_Interp *interp,		/* Interpreter in which to find frame. */
    Tcl_Obj *objPtr,		/* Object describing frame. */
    CallFrame **framePtrPtr)	/* Store pointer to frame here (or NULL if
				 * global frame indicated); when NULL itself,
				 * no frame resolution is wanted. */
{
    Interp *iPtr = (Interp *) interp;
    Tcl_Size curLevel;
    int result, level;
    const Tcl_ObjInternalRep *irPtr;
    const char *name = NULL;
    Tcl_WideInt w;

    /*
     * Parse object to figure out which level number to go to.

     * a generation of a stringrep.
     */

    if (objPtr == NULL) {
	/* Do nothing */
    } else if (TCL_OK == Tcl_GetIntFromObj(NULL, objPtr, &level)) {
	TclGetWideIntFromObj(NULL, objPtr, &w);
	if (w < 0 || w > INT_MAX || curLevel > INT_MAX) {
	    result = -1;
	} else {
	    level = (int)curLevel - level;
	    result = 1;
	}
    } else if ((irPtr = TclFetchInternalRep(objPtr, &levelReferenceType))) {
	level = (int)irPtr->wideValue;
	result = 1;
    } else {
	name = TclGetString(objPtr);
	if (name[0] == '#') {
	    if (TCL_OK == Tcl_GetInt(NULL, name+1, &level)) {
		if (level < 0 || (level > 0 && name[1] == '-')) {
		    result = -1;

	/* if relative current level */
	if (result == 0) {
	    if (!curLevel) {
		/* we are in top-level, so simply generate bad level */
		name = "1";
		goto badLevel;
	    }
	    level = (int)curLevel - 1;
	}
	if (level >= 0) {
	    CallFrame *framePtr;
	    for (framePtr = iPtr->varFramePtr; framePtr != NULL;
		    framePtr = framePtr->callerVarPtr) {
		if ((int)framePtr->level == level) {
		    *framePtrPtr = framePtr;

    return result;
}

int
Tcl_UplevelObjCmd(
    void *clientData,
    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Size objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    return Tcl_NRCallObjProc2(interp, TclNRUplevelObjCmd, clientData, objc, objv);
}

int
TclNRUplevelObjCmd(
    TCL_UNUSED(void *),
    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Size objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{

    Interp *iPtr = (Interp *) interp;
    CmdFrame *invoker = NULL;
    Tcl_Size word = 0;
    int result;
    CallFrame *savedVarFramePtr, *framePtr;
    Tcl_Obj *objPtr;

    if (objc < 2) {
    /* to do
    *    simplify things by interpreting the argument as a command when there

{
    Tcl_Command origCmd = TclGetOriginalCommand((Tcl_Command) cmdPtr);

    if (origCmd != NULL) {
	cmdPtr = (Command *) origCmd;
    }
    if (cmdPtr->deleteProc == TclProcDeleteProc) {
	return (Proc *)cmdPtr->objClientData2;
    }
    return NULL;
}

static int
ProcWrongNumArgs(
    Tcl_Interp *interp,
    Tcl_Size skip)
{
    CallFrame *framePtr = ((Interp *)interp)->varFramePtr;
    Proc *procPtr = framePtr->procPtr;
    Tcl_Size localCt = procPtr->numCompiledLocals, numArgs, i;
    Tcl_Obj **desiredObjs;
    const char *final = NULL;

    ByteCode *codePtr,
    Var *varPtr,
    Namespace *nsPtr)		/* Pointer to current namespace. */
{
    Interp *iPtr = (Interp *) interp;
    int haveResolvers = (nsPtr->compiledVarResProc || iPtr->resolverPtr);
    CompiledLocal *firstLocalPtr, *localPtr;
    Tcl_Size varNum;
    Tcl_ResolvedVarInfo *resVarInfo;

    /*
     * Find the localPtr corresponding to varPtr
     */

    varNum = varPtr - iPtr->framePtr->compiledLocals;

 *----------------------------------------------------------------------
 */

static int
InitArgsAndLocals(
    Tcl_Interp *interp,		/* Interpreter in which procedure was
				 * invoked. */
    Tcl_Size skip)			/* Number of initial arguments to be skipped,
				 * i.e., words in the "command name". */
{
    CallFrame *framePtr = ((Interp *)interp)->varFramePtr;
    Proc *procPtr = framePtr->procPtr;
    ByteCode *codePtr;
    Var *varPtr, *defPtr;
    Tcl_Size localCt = procPtr->numCompiledLocals, numArgs, argCt, i, imax;

    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * TclObjInterpProc2/TclNRInterpProc --
 *
 *	When a Tcl procedure gets invoked during bytecode evaluation, this
 *	object-based routine gets invoked to interpret the procedure.
 *
 * Results:
 *	A standard Tcl object result value.
 *
 * Side effects:
 *	Depends on the commands in the procedure.
 *
 *----------------------------------------------------------------------
 */

int
TclObjInterpProc2(
    void *clientData,		/* Record describing procedure to be
				 * interpreted. */
    Tcl_Interp *interp,		/* Interpreter in which procedure was
				 * invoked. */
    Tcl_Size objc,			/* Count of number of arguments to this
				 * procedure. */
    Tcl_Obj *const objv[])	/* Argument value objects. */
{
    /*
     * Not used much in the core; external interface for iTcl
     */

    return Tcl_NRCallObjProc2(interp, TclNRInterpProc, clientData, objc, objv);
}

int
TclNRInterpProc(
    void *clientData,		/* Record describing procedure to be
				 * interpreted. */
    Tcl_Interp *interp,		/* Interpreter in which procedure was

    if (result != TCL_OK) {
	return TCL_ERROR;
    }
    return TclNRInterpProcCore(interp, objv[0], 1, &MakeProcError);
}

#ifndef TCL_NO_DEPRECATED
static int
NRInterpProc(
    void *clientData,	/* Record describing procedure to be
				 * interpreted. */
    Tcl_Interp *interp,		/* Interpreter in which procedure was
				 * invoked. */
    int objc,			/* Count of number of arguments to this
				 * procedure. */
    Tcl_Obj *const objv[])	/* Argument value objects. */
{
    int result = TclPushProcCallFrame(clientData, interp, objc, objv,
	    /*isLambda*/ 0);

    if (result != TCL_OK) {
	return TCL_ERROR;
    }
    return TclNRInterpProcCore(interp, objv[0], 1, &MakeProcError);
}

#undef TclObjInterpProc
int
TclObjInterpProc(
    void *clientData,		/* Record describing procedure to be
				 * interpreted. */
    Tcl_Interp *interp, 	/* Interpreter in which procedure was
				 * invoked. */
    int objc,			/* Count of number of arguments to this
				 * procedure. */
    Tcl_Obj *const objv[])	/* Argument value objects. */
{
    /*
     * Not used much in the core; external interface for iTcl
     */

    return Tcl_NRCallObjProc(interp, NRInterpProc, clientData, objc, objv);
}
#endif /* TCL_NO_DEPRECATED */


/*
 *----------------------------------------------------------------------
 *
 * TclNRInterpProcCore --
 *
 *	When a Tcl procedure, lambda term or anything else that works like a
 *	procedure gets invoked during bytecode evaluation, this object-based

	 */

	iPtr->compiledProcPtr = procPtr;

	if (procPtr->numCompiledLocals > procPtr->numArgs) {
	    CompiledLocal *clPtr = procPtr->firstLocalPtr;
	    CompiledLocal *lastPtr = NULL;
	    Tcl_Size i, numArgs = procPtr->numArgs;

	    for (i = 0; i < numArgs; i++) {
		lastPtr = clPtr;
		clPtr = clPtr->nextPtr;
	    }

	    if (lastPtr) {

}

/*
 *----------------------------------------------------------------------
 *
 * MakeProcError --
 *
 *	Function called by TclObjInterpProc2 to create the stack information
 *	upon an error from a procedure.
 *
 * Results:
 *	The interpreter's error info trace is set to a value that supplements
 *	the error code.
 *
 * Side effects:

    }
    return code;
}

/*
 *----------------------------------------------------------------------
 *
 * TclGetObjInterpProc2 --
 *
 *	Returns a pointer to the TclObjInterpProc2 function; this is different
 *	from the value obtained from the TclObjInterpProc2 reference on systems
 *	like Windows where import and export versions of a function exported
 *	by a DLL exist.
 *
 * Results:
 *	Returns the internal address of the TclObjInterpProc2 function.

 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

#ifndef TCL_NO_DEPRECATED
Tcl_ObjCmdProc *
TclGetObjInterpProc(void)
{
    return TclObjInterpProc;
}
#endif /* TCL_NO_DEPRECATED */

Tcl_ObjCmdProc2 *
TclGetObjInterpProc2(void)
{
    return TclObjInterpProc2;
}

/*
 *----------------------------------------------------------------------
 *
 * TclNewProcBodyObj --
 *

 *----------------------------------------------------------------------
 */

int
Tcl_ApplyObjCmd(
    void *clientData,
    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Size objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    return Tcl_NRCallObjProc2(interp, TclNRApplyObjCmd, clientData, objc, objv);
}

int
TclNRApplyObjCmd(
    TCL_UNUSED(void *),
    Tcl_Interp *interp,		/* Current interpreter. */
    Tcl_Size objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Proc *procPtr = NULL;
    Tcl_Obj *lambdaPtr, *nsObjPtr;
    int result;
    Tcl_Namespace *nsPtr;
    ApplyExtraData *extraPtr;

    if (procPtr == NULL) {
	return TCL_ERROR;
    }

    /*
     * Push a call frame for the lambda namespace.
     * Note that TclObjInterpProc2() will pop it.
     */

    result = TclGetNamespaceFromObj(interp, nsObjPtr, &nsPtr);
    if (result != TCL_OK) {
	return TCL_ERROR;
    }

}

/*
 *----------------------------------------------------------------------
 *
 * MakeLambdaError --
 *
 *	Function called by TclObjInterpProc2 to create the stack information
 *	upon an error from a lambda term.
 *
 * Results:
 *	The interpreter's error info trace is set to a value that supplements
 *	the error code.
 *
 * Side effects:

	    goto procError;
	}
	origLocal = origLocal->nextPtr;
    }

    // Create the new command backed by the procedure.
    newProc->cmdPtr = (Command *) TclNRCreateCommandInNs(interp, cmdName,
	    (Tcl_Namespace *) nsPtr, TclObjInterpProc2, TclNRInterpProc, newProc,
	    TclProcDeleteProc);

    // TIP #280: Duplicate the origin information (if we have it).
    Tcl_HashEntry *origHePtr = Tcl_FindHashEntry(iPtr->linePBodyPtr, origProc);
    if (origHePtr) {
	CmdFrame *newCfPtr = (CmdFrame *) Tcl_Alloc(sizeof(CmdFrame));
	const CmdFrame *origCfPtr = (CmdFrame *) Tcl_GetHashValue(origHePtr);

    for (Tcl_HashEntry *entryPtr = Tcl_FirstHashEntry(&srcNsPtr->cmdTable, &search);
	    entryPtr; entryPtr = Tcl_NextHashEntry(&search)) {
	const char *cmdName = (const char *)
		Tcl_GetHashKey(&srcNsPtr->cmdTable, entryPtr);
	Command *cmdPtr = (Command *) Tcl_GetHashValue(entryPtr);

	// For non-procedures, check if this is an import of a procedure; those
	// also get copied.s
	if (!TclIsProc(cmdPtr)) {
	    Command *realCmdPtr = (Command *)
		    TclGetOriginalCommand((Tcl_Command) cmdPtr);
	    if (!realCmdPtr || !TclIsProc(realCmdPtr)) {
		continue;
	    }
	    cmdPtr = realCmdPtr;
	}

	// Make the copy
	Proc *procPtr = (Proc *) cmdPtr->objClientData2;
	if (DuplicateProc(interp, tgtNsPtr, cmdName, procPtr, cmdPtr) != TCL_OK) {
	    return TCL_ERROR;
	}
    }
    return TCL_OK;
}