/* 
 * 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 1.46.2.7 2004/09/21 23:10:27 dgp Exp $
 * RCS: @(#) $Id: tclProc.c,v 1.46.2.8 2004/09/30 00:51:45 dgp Exp $
 */

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

/*
 * Prototypes for static functions in this file

TclCompileNoOp(interp, parsePtr, envPtr)
    Tcl_Interp *interp;         /* Used for error reporting. */
    Tcl_Parse *parsePtr;        /* Points to a parse structure for the
                                 * command created by Tcl_ParseCommand. */
    CompileEnv *envPtr;         /* Holds resulting instructions. */
{
    Tcl_Token *tokenPtr;
    int i, code;
    int i;
    int savedStackDepth = envPtr->currStackDepth;

    tokenPtr = parsePtr->tokenPtr;
    for(i = 1; i < parsePtr->numWords; i++) {
	tokenPtr = tokenPtr + tokenPtr->numComponents + 1;
	envPtr->currStackDepth = savedStackDepth;

	if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { 
	    code = TclCompileTokens(interp, tokenPtr+1,
	    TclCompileTokens(interp, tokenPtr+1,
	            tokenPtr->numComponents, envPtr);
	    if (code != TCL_OK) {
		return code;
	    }
	    TclEmitOpcode(INST_POP, envPtr);
	} 
    }
    envPtr->currStackDepth = savedStackDepth;
    TclEmitPush(TclRegisterLiteral(envPtr, "", 0, /*onHeap*/ 0), envPtr);
    return TCL_OK;
}