/* 
 * tclProc.c --
 *
 *	This file contains routines that implement Tcl procedures,
 *	including the "proc" and "uplevel" commands.
 *
 * Copyright (c) 1987-1993 The Regents of the University of California.
 * Copyright (c) 1994-1998 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * RCS: @(#) $Id: tclProc.c,v 1.29.2.3 2002/08/20 20:25:26 das Exp $
 */

#include "tclInt.h"
#include "tclCompile.h"

/*
 * Prototypes for static functions in this file

TclProcInterpProc(clientData, interp, argc, argv)
    ClientData clientData;	/* Record describing procedure to be
				 * interpreted. */
    Tcl_Interp *interp;		/* Interpreter in which procedure was
				 * invoked. */
    int argc;			/* Count of number of arguments to this
				 * procedure. */
    register CONST char **argv;	/* Argument values. */
{
    register Tcl_Obj *objPtr;
    register int i;
    int result;

    /*
     * This procedure generates an objv array for object arguments that hold

	 */

	if ((i == numArgs) && ((localPtr->name[0] == 'a')
	        && (strcmp(localPtr->name, "args") == 0))) {
	    Tcl_Obj *listPtr = Tcl_NewListObj(argCt, &(objv[i]));
	    varPtr->value.objPtr = listPtr;
	    Tcl_IncrRefCount(listPtr); /* local var is a reference */
	    TclClearVarUndefined(varPtr);
	    argCt = 0;
	    break;		/* done processing args */
	} else if (argCt > 0) {
	    Tcl_Obj *objPtr = objv[i];
	    varPtr->value.objPtr = objPtr;
	    TclClearVarUndefined(varPtr);
	    Tcl_IncrRefCount(objPtr);  /* since the local variable now has
					* another reference to object. */
	} else if (localPtr->defValuePtr != NULL) {
	    Tcl_Obj *objPtr = localPtr->defValuePtr;
	    varPtr->value.objPtr = objPtr;
	    TclClearVarUndefined(varPtr);
	    Tcl_IncrRefCount(objPtr);  /* since the local variable now has
					* another reference to object. */
	} else {
	    goto incorrectArgs;
	}
	varPtr++;
	localPtr = localPtr->nextPtr;

	fprintf(stdout, "\n");
	fflush(stdout);
    }
#endif /*TCL_COMPILE_DEBUG*/

    iPtr->returnCode = TCL_OK;
    procPtr->refCount++;
    result = TclCompEvalObj(interp, procPtr->bodyPtr);
    procPtr->refCount--;
    if (procPtr->refCount <= 0) {
	TclProcCleanupProc(procPtr);
    }

    if (result != TCL_OK) {
	result = ProcessProcResultCode(interp, procName, nameLen, result);

int
TclUpdateReturnInfo(iPtr)
    Interp *iPtr;		/* Interpreter for which TCL_RETURN
				 * exception is being processed. */
{
    int code;
    char *errorCode;

    code = iPtr->returnCode;
    iPtr->returnCode = TCL_OK;
    if (code == TCL_ERROR) {

	errorCode = ((iPtr->errorCode != NULL) ? iPtr->errorCode : "NONE");
	Tcl_ObjSetVar2((Tcl_Interp *) iPtr, iPtr->execEnvPtr->errorCode,
	        NULL, Tcl_NewStringObj(errorCode, -1),
		TCL_GLOBAL_ONLY);
	iPtr->flags |= ERROR_CODE_SET;
	if (iPtr->errorInfo != NULL) {
	    Tcl_ObjSetVar2((Tcl_Interp *) iPtr, iPtr->execEnvPtr->errorInfo,
	            NULL, Tcl_NewStringObj(iPtr->errorInfo, -1),
		    TCL_GLOBAL_ONLY);
	    iPtr->flags |= ERR_IN_PROGRESS;
	}
    }
    return code;
}

/*