int cmdNumber, int srcOffset, int codeOffset);
static void		FreeByteCodeInternalRep(Tcl_Obj *objPtr);
static void		FreeSubstCodeInternalRep(Tcl_Obj *objPtr);
static int		GetCmdLocEncodingSize(CompileEnv *envPtr);
#ifdef TCL_COMPILE_STATS
static void		RecordByteCodeStats(ByteCode *codePtr);
#endif /* TCL_COMPILE_STATS */
static int		SetByteCodeFromAny(Tcl_Interp *interp,
			    Tcl_Obj *objPtr);
static int		FormatInstruction(ByteCode *codePtr,
			    const unsigned char *pc, Tcl_Obj *bufferObj);
static void		PrintSourceToObj(Tcl_Obj *appendObj,
			    const char *stringPtr, int maxChars);
static void		UpdateStringOfInstName(Tcl_Obj *objPtr);

/*

 */

const Tcl_ObjType tclByteCodeType = {
    "bytecode",			/* name */
    FreeByteCodeInternalRep,	/* freeIntRepProc */
    DupByteCodeInternalRep,	/* dupIntRepProc */
    NULL,			/* updateStringProc */
    SetByteCodeFromAny		/* setFromAnyProc */
};

/*
 * The structure below defines a bytecode Tcl object type to hold the
 * compiled bytecode for the [subst]itution of Tcl values.
 */

    const char *stringPtr;
    ContLineLoc *clLocPtr;

#ifdef TCL_COMPILE_DEBUG
    if (!traceInitialized) {
	if (Tcl_LinkVar(interp, "tcl_traceCompile",
		(char *) &tclTraceCompile, TCL_LINK_INT) != TCL_OK) {
	    Tcl_Panic("SetByteCodeFromAny: unable to create link for tcl_traceCompile variable");
	}
	traceInitialized = 1;
    }
#endif

    stringPtr = TclGetStringFromObj(objPtr, &length);

	    auxDataPtr++;
	}
    }

    TclFreeCompileEnv(&compEnv);
    return result;
}

/*
 *-----------------------------------------------------------------------
 *
 * SetByteCodeFromAny --
 *
 *	Part of the bytecode Tcl object type implementation. Attempts to
 *	generate an byte code internal form for the Tcl object "objPtr" by
 *	compiling its string representation.
 *
 * Results:
 *	The return value is a standard Tcl object result. If an error occurs
 *	during compilation, an error message is left in the interpreter's
 *	result unless "interp" is NULL.
 *
 * Side effects:
 *	Frees the old internal representation. If no error occurs, then the
 *	compiled code is stored as "objPtr"s bytecode representation. Also, if
 *	debugging, initializes the "tcl_traceCompile" Tcl variable used to
 *	trace compilations.
 *
 *----------------------------------------------------------------------
 */

static int
SetByteCodeFromAny(
    Tcl_Interp *interp,		/* The interpreter for which the code is being
				 * compiled. Must not be NULL. */
    Tcl_Obj *objPtr)		/* The object to make a ByteCode object. */
{
    if (interp == NULL) {
	return TCL_ERROR;
    }
    return TclSetByteCodeFromAny(interp, objPtr, NULL, NULL);
}

/*
 *----------------------------------------------------------------------
 *
 * DupByteCodeInternalRep --
 *
 *	Part of the bytecode Tcl object type implementation. However, it does