TMprint.c   [plain text]

/* $Xorg: TMprint.c,v 1.4 2001/02/09 02:03:58 xorgcvs Exp $ */

/***********************************************************
Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts
Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Digital or Sun not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO  THIS  SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE  LI-
ABLE  FOR  ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,  DATA  OR
PROFITS,  WHETHER  IN  AN  ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.

******************************************************************/

/*

Copyright 1987, 1988, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.

*/
/* $XFree86: xc/lib/Xt/TMprint.c,v 1.6 2001/12/14 19:56:31 dawes Exp $ */

/*LINTLIBRARY*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "IntrinsicI.h"
#include <stdio.h>

typedef struct _TMStringBufRec{
    String	start;
    String	current;
    Cardinal	max;
}TMStringBufRec, *TMStringBuf;


#define STR_THRESHOLD 25
#define STR_INCAMOUNT 100
#define CHECK_STR_OVERFLOW(sb) \
if (sb->current - sb->start > (int)sb->max - STR_THRESHOLD) 	\
{ String old = sb->start; \
  sb->start = XtRealloc(old, (Cardinal)(sb->max += STR_INCAMOUNT)); \
  sb->current = sb->current - old + sb->start; \
}

#define ExpandForChars(sb, nchars ) \
    if ((unsigned)(sb->current - sb->start) > sb->max - STR_THRESHOLD - nchars) { \
	String old = sb->start;					\
	sb->start = XtRealloc(old,				\
	    (Cardinal)(sb->max += STR_INCAMOUNT + nchars));	\
	sb->current = sb->current - old + sb->start;		\
    }

#define ExpandToFit(sb, more) \
{								\
	size_t l = strlen(more);				\
	ExpandForChars(sb, l);					\
      }

static void PrintModifiers(
    TMStringBuf	sb,
    unsigned long mask, unsigned long mod)
{
    Boolean notfirst = False;
    CHECK_STR_OVERFLOW(sb);

    if (mask == ~0UL && mod == 0) {
	*sb->current++ = '!';
	*sb->current = '\0';
	return;
    }

#define PRINTMOD(modmask,modstring) \
    if (mask & modmask) {		 \
	if (! (mod & modmask)) {	 \
	    *sb->current++ = '~';		 \
	    notfirst = True;		 \
	}				 \
	else if (notfirst)		 \
	    *sb->current++ = ' ';		 \
	else notfirst = True;		 \
	strcpy(sb->current, modstring);		 \
	sb->current += strlen(sb->current);		 \
    }

    PRINTMOD(ShiftMask, "Shift");
    PRINTMOD(ControlMask, "Ctrl");	/* name is not CtrlMask... */
    PRINTMOD(LockMask, "Lock");
    PRINTMOD(Mod1Mask, "Mod1");
    CHECK_STR_OVERFLOW(sb);
    PRINTMOD(Mod2Mask, "Mod2");
    PRINTMOD(Mod3Mask, "Mod3");
    PRINTMOD(Mod4Mask, "Mod4");
    PRINTMOD(Mod5Mask, "Mod5");
    CHECK_STR_OVERFLOW(sb);
    PRINTMOD(Button1Mask, "Button1");
    PRINTMOD(Button2Mask, "Button2");
    PRINTMOD(Button3Mask, "Button3");
    CHECK_STR_OVERFLOW(sb);
    PRINTMOD(Button4Mask, "Button4");
    PRINTMOD(Button5Mask, "Button5");

#undef PRINTMOD
}

static void PrintEventType(
    TMStringBuf	sb,
    unsigned long event)
{
    CHECK_STR_OVERFLOW(sb);
    switch (event) {
#define PRINTEVENT(event, name) case event: (void) strcpy(sb->current, name); break;
	PRINTEVENT(KeyPress, "<KeyPress>")
	PRINTEVENT(KeyRelease, "<KeyRelease>")
	PRINTEVENT(ButtonPress, "<ButtonPress>")
	PRINTEVENT(ButtonRelease, "<ButtonRelease>")
	PRINTEVENT(MotionNotify, "<MotionNotify>")
	PRINTEVENT(EnterNotify, "<EnterNotify>")
	PRINTEVENT(LeaveNotify, "<LeaveNotify>")
	PRINTEVENT(FocusIn, "<FocusIn>")
	PRINTEVENT(FocusOut, "<FocusOut>")
	PRINTEVENT(KeymapNotify, "<KeymapNotify>")
	PRINTEVENT(Expose, "<Expose>")
	PRINTEVENT(GraphicsExpose, "<GraphicsExpose>")
	PRINTEVENT(NoExpose, "<NoExpose>")
	PRINTEVENT(VisibilityNotify, "<VisibilityNotify>")
	PRINTEVENT(CreateNotify, "<CreateNotify>")
	PRINTEVENT(DestroyNotify, "<DestroyNotify>")
	PRINTEVENT(UnmapNotify, "<UnmapNotify>")
	PRINTEVENT(MapNotify, "<MapNotify>")
	PRINTEVENT(MapRequest, "<MapRequest>")
	PRINTEVENT(ReparentNotify, "<ReparentNotify>")
	PRINTEVENT(ConfigureNotify, "<ConfigureNotify>")
	PRINTEVENT(ConfigureRequest, "<ConfigureRequest>")
	PRINTEVENT(GravityNotify, "<GravityNotify>")
	PRINTEVENT(ResizeRequest, "<ResizeRequest>")
	PRINTEVENT(CirculateNotify, "<CirculateNotify>")
	PRINTEVENT(CirculateRequest, "<CirculateRequest>")
	PRINTEVENT(PropertyNotify, "<PropertyNotify>")
	PRINTEVENT(SelectionClear, "<SelectionClear>")
	PRINTEVENT(SelectionRequest, "<SelectionRequest>")
	PRINTEVENT(SelectionNotify, "<SelectionNotify>")
	PRINTEVENT(ColormapNotify, "<ColormapNotify>")
	PRINTEVENT(ClientMessage, "<ClientMessage>")
	case _XtEventTimerEventType:
	    (void) strcpy(sb->current,"<EventTimer>");
	    break;
	default:
	    (void) sprintf(sb->current, "<0x%x>", (int) event);
#undef PRINTEVENT
    }
    sb->current += strlen(sb->current);
}

static void PrintCode(
    TMStringBuf sb,
    unsigned long mask, unsigned long code)
{
    CHECK_STR_OVERFLOW(sb);
    if (mask != 0) {
	if (mask != ~0UL)
	    (void) sprintf(sb->current, "0x%lx:0x%lx", mask, code);
	else (void) sprintf(sb->current, /*"0x%lx"*/ "%d", (unsigned)code);
	sb->current += strlen(sb->current);
    }
}

static void PrintKeysym(
    TMStringBuf sb,
    KeySym keysym)
{
    String keysymName;

    if (keysym == 0) return;

    CHECK_STR_OVERFLOW(sb);
    keysymName = XKeysymToString(keysym);
    if (keysymName == NULL)
      PrintCode(sb,~0UL,(unsigned long)keysym);
    else {
      ExpandToFit(sb, keysymName);
      strcpy(sb->current, keysymName);
      sb->current += strlen(sb->current);
    }
}

static void PrintAtom(
    TMStringBuf sb,
    Display *dpy,
    Atom atom)
{
    String atomName;

    if (atom == 0) return;

    atomName = (dpy ? XGetAtomName(dpy, atom) : NULL);

    if (! atomName)
      PrintCode(sb,~0UL,(unsigned long)atom);
    else {
      ExpandToFit( sb, atomName );
      strcpy(sb->current, atomName);
      sb->current += strlen(sb->current);
      XFree(atomName);
    }
}

static	void PrintLateModifiers(
    TMStringBuf	sb,
    LateBindingsPtr lateModifiers)
{
    for (; lateModifiers->keysym; lateModifiers++) {
	CHECK_STR_OVERFLOW(sb);
	if (lateModifiers->knot) {
	    *sb->current++ = '~';
	} else {
	    *sb->current++ = ' ';
	}
	strcpy(sb->current, XKeysymToString(lateModifiers->keysym));
	sb->current += strlen(sb->current);
	if (lateModifiers->pair) {
	    *(sb->current -= 2) = '\0';	/* strip "_L" */
	    lateModifiers++;	/* skip _R keysym */
	}
    }
}

static void PrintEvent(
    TMStringBuf sb,
    register TMTypeMatch typeMatch,
    register TMModifierMatch modMatch,
    Display *dpy)
{
    if (modMatch->standard) *sb->current++ = ':';

    PrintModifiers(sb, modMatch->modifierMask, modMatch->modifiers);
    if (modMatch->lateModifiers != NULL)
      PrintLateModifiers(sb, modMatch->lateModifiers);
    PrintEventType(sb, typeMatch->eventType);
    switch (typeMatch->eventType) {
      case KeyPress:
      case KeyRelease:
	PrintKeysym(sb, (KeySym)typeMatch->eventCode);
	break;

      case PropertyNotify:
      case SelectionClear:
      case SelectionRequest:
      case SelectionNotify:
      case ClientMessage:
	PrintAtom(sb, dpy, (Atom)typeMatch->eventCode);
	break;

      default:
	PrintCode(sb, typeMatch->eventCodeMask, typeMatch->eventCode);
    }
}

static void PrintParams(
    TMStringBuf	sb,
    String	*params,
    Cardinal num_params)
{
    register Cardinal i;
    for (i = 0; i<num_params; i++) {
	ExpandToFit( sb, params[i] );
	if (i != 0) {
	    *sb->current++ = ',';
	    *sb->current++ = ' ';
	}
	*sb->current++ = '"';
	strcpy(sb->current, params[i]);
	sb->current += strlen(sb->current);
	*sb->current++ = '"';
    }
    *sb->current = '\0';
}

static void PrintActions(
    TMStringBuf	sb,
    register ActionPtr actions,
    XrmQuark *quarkTbl,
    Widget   accelWidget)
{
    while (actions != NULL) {
	String proc;

	*sb->current++ = ' ';

	if (accelWidget) {
	    /* accelerator */
	    String name = XtName(accelWidget);
	    int nameLen = strlen(name);
	    ExpandForChars(sb,  nameLen );
	    XtMemmove(sb->current, name, nameLen );
	    sb->current += nameLen;
	    *sb->current++ = '`';
	}
	proc = XrmQuarkToString(quarkTbl[actions->idx]);
	ExpandToFit( sb, proc );
	strcpy(sb->current, proc);
	sb->current += strlen(proc);
	*sb->current++ = '(';
	PrintParams(sb, actions->params, actions->num_params);
	*sb->current++ = ')';
	actions = actions->next;
    }
    *sb->current = '\0';
}

static Boolean LookAheadForCycleOrMulticlick(
    register StatePtr state,
    StatePtr *state_return,	/* state to print, usually startState */
    int *countP,
    StatePtr *nextLevelP)
{
    int repeatCount = 0;
    StatePtr	startState = state;
    Boolean	isCycle = startState->isCycleEnd;
    TMTypeMatch sTypeMatch;
    TMModifierMatch sModMatch;

    LOCK_PROCESS;
    sTypeMatch = TMGetTypeMatch(startState->typeIndex);
    sModMatch = TMGetModifierMatch(startState->modIndex);

    *state_return = startState;

    for (state = state->nextLevel; state != NULL; state = state->nextLevel) {
	TMTypeMatch typeMatch = TMGetTypeMatch(state->typeIndex);
	TMModifierMatch modMatch = TMGetModifierMatch(state->modIndex);

	/* try to pick up the correct state with actions, to be printed */
	/* This is to accommodate <ButtonUp>(2+), for example */
	if (state->isCycleStart)
	    *state_return = state;

	if (state->isCycleEnd) {
	    *countP = repeatCount;
	    UNLOCK_PROCESS;
	    return True;
	}
	if ((startState->typeIndex == state->typeIndex) &&
	    (startState->modIndex == state->modIndex)) {
	    repeatCount++;
	    *nextLevelP = state;
	}
	else if (typeMatch->eventType == _XtEventTimerEventType)
	  continue;
	else /* not same event as starting event and not timer */ {
	    unsigned int type = sTypeMatch->eventType;
	    unsigned int t = typeMatch->eventType;
	    if (   (type == ButtonPress	  && t != ButtonRelease)
		|| (type == ButtonRelease && t != ButtonPress)
		|| (type == KeyPress	  && t != KeyRelease)
		|| (type == KeyRelease	  && t != KeyPress)
		|| typeMatch->eventCode != sTypeMatch->eventCode
		|| modMatch->modifiers != sModMatch->modifiers
		|| modMatch->modifierMask != sModMatch->modifierMask
		|| modMatch->lateModifiers != sModMatch->lateModifiers
		|| typeMatch->eventCodeMask != sTypeMatch->eventCodeMask
		|| typeMatch->matchEvent != sTypeMatch->matchEvent
		|| modMatch->standard != sModMatch->standard)
		/* not inverse of starting event, either */
		break;
	}
    }
    *countP = repeatCount;
    UNLOCK_PROCESS;
    return isCycle;
}

static void PrintComplexState(
    TMStringBuf	sb,
    Boolean	includeRHS,
    StatePtr 	state,
    TMStateTree stateTree,
    Widget	accelWidget,
    Display 	*dpy)
{
    int 		clickCount = 0;
    Boolean 		cycle;
    StatePtr 		nextLevel = NULL;
    StatePtr		triggerState = NULL;

    /* print the current state */
    if (! state) return;
    LOCK_PROCESS;
    cycle = LookAheadForCycleOrMulticlick(state, &triggerState, &clickCount,
					  &nextLevel);

    PrintEvent(sb, TMGetTypeMatch(triggerState->typeIndex),
	       TMGetModifierMatch(triggerState->modIndex), dpy);

    if (cycle || clickCount) {
	if (clickCount)
	    sprintf(sb->current, "(%d%s)", clickCount+1, cycle ? "+" : "");
	else
	    (void) strncpy(sb->current, "(+)", 4);
	sb->current += strlen(sb->current);
	if (! state->actions && nextLevel)
	    state = nextLevel;
	while (! state->actions && ! state->isCycleEnd)
	    state = state->nextLevel;	/* should be trigger state */
    }

    if (state->actions) {
	if (includeRHS) {
	    CHECK_STR_OVERFLOW(sb);
	    *sb->current++ = ':';
	    PrintActions(sb,
			 state->actions,
			 ((TMSimpleStateTree)stateTree)->quarkTbl,
			 accelWidget);
	    *sb->current++ = '\n';
	}
    }
    else {
	if (state->nextLevel && !cycle && !clickCount)
	    *sb->current++ = ',';
	else {
	    /* no actions are attached to this production */
	    *sb->current++ = ':';
	    *sb->current++ = '\n';
	}
    }
    *sb->current = '\0';

    /* print succeeding states */
    if (state->nextLevel && !cycle && !clickCount)
	PrintComplexState(sb, includeRHS, state->nextLevel,
			  stateTree, accelWidget, dpy);
    UNLOCK_PROCESS;
}

typedef struct{
    TMShortCard	tIndex;
    TMShortCard	bIndex;
}PrintRec, *Print;

static int FindNextMatch(
    PrintRec		*printData,
    TMShortCard		numPrints,
    XtTranslations 	xlations,
    TMBranchHead	branchHead,
    StatePtr 		nextLevel,
    TMShortCard		startIndex)
{
    TMShortCard		i;
    TMComplexStateTree 	stateTree;
    StatePtr		currState, candState;
    Boolean		noMatch = True;
    TMBranchHead	prBranchHead;

    for (i = startIndex; noMatch && i < numPrints; i++) {
	stateTree = (TMComplexStateTree)
	  xlations->stateTreeTbl[printData[i].tIndex];
	prBranchHead =
	  &(stateTree->branchHeadTbl[printData[i].bIndex]);

	if ((prBranchHead->typeIndex == branchHead->typeIndex) &&
	    (prBranchHead->modIndex == branchHead->modIndex)) {
	    if (prBranchHead->isSimple) {
		if (!nextLevel)
		  return i;
	    }
	    else {
		currState = TMComplexBranchHead(stateTree, prBranchHead);
		currState = currState->nextLevel;
		candState = nextLevel;
		for (;
		     ((currState && !currState->isCycleEnd) &&
		      (candState && !candState->isCycleEnd));
		     currState = currState->nextLevel,
		     candState = candState->nextLevel) {
		    if ((currState->typeIndex != candState->typeIndex) ||
			(currState->modIndex != candState->modIndex))
		      break;
		}
		if (candState == currState) {
		    return i;
		}
	    }
	}
    }
    return TM_NO_MATCH;
}

static void ProcessLaterMatches(
    PrintRec	*printData,
    XtTranslations xlations,
    TMShortCard	tIndex,
    int bIndex,
    TMShortCard	*numPrintsRtn)
{
    TMComplexStateTree 	stateTree;
    int			i, j;
    TMBranchHead	branchHead, matchBranch = NULL;

    for (i = tIndex; i < (int)xlations->numStateTrees; i++) {
	stateTree = (TMComplexStateTree)xlations->stateTreeTbl[i];
	if (i == tIndex) {
	    matchBranch = &stateTree->branchHeadTbl[bIndex];
	    j = bIndex+1;
	}
	else j = 0;
	for (branchHead = &stateTree->branchHeadTbl[j];
	     j < (int)stateTree->numBranchHeads;
	     j++, branchHead++) {
	    if ((branchHead->typeIndex == matchBranch->typeIndex) &&
		(branchHead->modIndex == matchBranch->modIndex)) {
		StatePtr state;
		if (!branchHead->isSimple)
		  state = TMComplexBranchHead(stateTree, branchHead);
		else
		  state = NULL;
		if ((!branchHead->isSimple || branchHead->hasActions) &&
		    (FindNextMatch(printData,
				   *numPrintsRtn,
				   xlations,
				   branchHead,
				   (state ? state->nextLevel : NULL),
				   0) == TM_NO_MATCH)) {
		    printData[*numPrintsRtn].tIndex = i;
		    printData[*numPrintsRtn].bIndex = j;
		    (*numPrintsRtn)++;
		}
	    }
	}
    }
}

static void ProcessStateTree(
    PrintRec	*printData,
    XtTranslations xlations,
    TMShortCard	tIndex,
    TMShortCard	*numPrintsRtn)
{
    TMComplexStateTree stateTree;
    int			i;
    TMBranchHead	branchHead;

    stateTree = (TMComplexStateTree)xlations->stateTreeTbl[tIndex];

    for (i = 0, branchHead = stateTree->branchHeadTbl;
	 i < (int)stateTree->numBranchHeads;
	 i++, branchHead++) {
	StatePtr state;
	if (!branchHead->isSimple)
	  state = TMComplexBranchHead(stateTree, branchHead);
	else
	  state = NULL;
	if (FindNextMatch(printData, *numPrintsRtn, xlations, branchHead,
			  (state ? state->nextLevel : NULL), 0)
	    == TM_NO_MATCH) {
	    if (!branchHead->isSimple || branchHead->hasActions) {
		printData[*numPrintsRtn].tIndex = tIndex;
		printData[*numPrintsRtn].bIndex = i;
		(*numPrintsRtn)++;
	    }
	    LOCK_PROCESS;
	    if (_XtGlobalTM.newMatchSemantics == False)
	      ProcessLaterMatches(printData,
				  xlations,
				  tIndex,
				  i,
				  numPrintsRtn);
	    UNLOCK_PROCESS;
	}
    }
}

static void PrintState(
    TMStringBuf	sb,
    TMStateTree	tree,
    TMBranchHead branchHead,
    Boolean	includeRHS,
    Widget	accelWidget,
    Display 	*dpy)
{
    TMComplexStateTree stateTree = (TMComplexStateTree)tree;
    LOCK_PROCESS;
    if (branchHead->isSimple) {
	PrintEvent(sb,
		   TMGetTypeMatch(branchHead->typeIndex),
		   TMGetModifierMatch(branchHead->modIndex),
		   dpy);
	if (includeRHS) {
	    ActionRec	actRec;

	    CHECK_STR_OVERFLOW(sb);
	    *sb->current++ = ':';
	    actRec.idx = TMBranchMore(branchHead);
	    actRec.num_params = 0;
	    actRec.params = NULL;
	    actRec.next = NULL;
	    PrintActions(sb,
			 &actRec,
			 stateTree->quarkTbl,
			 accelWidget);
	    *sb->current++ = '\n';
	}
	else
	  *sb->current++ = ',';
#ifdef TRACE_TM
	if (!branchHead->hasActions)
	  printf(" !! no actions !! ");
#endif
    }
	else { /* it's a complex branchHead */
	    StatePtr state = TMComplexBranchHead(stateTree, branchHead);
	    PrintComplexState(sb,
			      includeRHS,
			      state,
			      tree,
			      accelWidget,
			      (Display *)NULL);
	}
    *sb->current = '\0';
    UNLOCK_PROCESS;
}

String _XtPrintXlations(
    Widget		w,
    XtTranslations 	xlations,
    Widget		accelWidget,
    _XtBoolean		includeRHS)
{
    register Cardinal 	i;
#define STACKPRINTSIZE 250
    PrintRec		stackPrints[STACKPRINTSIZE];
    PrintRec		*prints;
    TMStringBufRec	sbRec, *sb = &sbRec;
    TMShortCard		numPrints, maxPrints;
#ifdef TRACE_TM
    TMBindData		bindData = (TMBindData)w->core.tm.proc_table;
    Boolean		hasAccel = (accelWidget ? True : False);
#endif /* TRACE_TM */
    if (xlations == NULL) return NULL;

    sb->current = sb->start = __XtMalloc((Cardinal)1000);
    sb->max = 1000;
    maxPrints = 0;
    for (i = 0; i < xlations->numStateTrees; i++)
	maxPrints +=
	  ((TMSimpleStateTree)(xlations->stateTreeTbl[i]))->numBranchHeads;
    prints = (PrintRec *)
      XtStackAlloc(maxPrints * sizeof(PrintRec), stackPrints);

    numPrints = 0;
    for (i = 0; i < xlations->numStateTrees; i++)
      ProcessStateTree(prints, xlations, i, &numPrints);

    for (i = 0; i < numPrints; i++) {
	TMSimpleStateTree stateTree = (TMSimpleStateTree)
	  xlations->stateTreeTbl[prints[i].tIndex];
	TMBranchHead branchHead =
	  &stateTree->branchHeadTbl[prints[i].bIndex];
#ifdef TRACE_TM
	TMComplexBindProcs	complexBindProcs;

	if (hasAccel == False) {
	    accelWidget = NULL;
	    if (bindData->simple.isComplex) {
		complexBindProcs = TMGetComplexBindEntry(bindData, 0);
		accelWidget = complexBindProcs[prints[i].tIndex].widget;
	    }
	}
#endif /* TRACE_TM */
	PrintState(sb, (TMStateTree)stateTree, branchHead,
		   includeRHS, accelWidget, XtDisplay(w));
    }
    XtStackFree((XtPointer)prints, (XtPointer)stackPrints);
    return (sb->start);
}


#ifndef NO_MIT_HACKS
/*ARGSUSED*/
void _XtDisplayTranslations(
    Widget widget,
    XEvent *event,
    String *params,
    Cardinal *num_params)
{
    String 	xString;

    xString =  _XtPrintXlations(widget,
				widget->core.tm.translations,
				NULL,
				True);
    printf("%s\n",xString);
    XtFree(xString);
}

/*ARGSUSED*/
void _XtDisplayAccelerators(
    Widget widget,
    XEvent *event,
    String *params,
    Cardinal *num_params)
{
    String 	xString;


    xString =  _XtPrintXlations(widget,
				widget->core.accelerators,
				NULL,
				True);
    printf("%s\n",xString);
    XtFree(xString);
}

/*ARGSUSED*/
void _XtDisplayInstalledAccelerators(
    Widget widget,
    XEvent *event,
    String *params,
    Cardinal *num_params)
{
    Widget eventWidget
	= XtWindowToWidget(event->xany.display, event->xany.window);
    register Cardinal 	i;
    TMStringBufRec	sbRec, *sb = &sbRec;
    XtTranslations	xlations;
#define STACKPRINTSIZE 250
    PrintRec		stackPrints[STACKPRINTSIZE];
    PrintRec		*prints;
    TMShortCard		numPrints, maxPrints;
    TMBindData	bindData = (TMBindData) eventWidget->core.tm.proc_table;
    TMComplexBindProcs	complexBindProcs;

    if ((eventWidget == NULL) ||
	((xlations = eventWidget->core.tm.translations) == NULL) ||
	(bindData->simple.isComplex == False))
      return;

    sb->current = sb->start = __XtMalloc((Cardinal)1000);
    sb->start[0] = '\0';
    sb->max = 1000;
    maxPrints = 0;
    for (i = 0; i < xlations->numStateTrees; i++)
	maxPrints +=
	  ((TMSimpleStateTree)xlations->stateTreeTbl[i])->numBranchHeads;
    prints = (PrintRec *)
      XtStackAlloc(maxPrints * sizeof(PrintRec), stackPrints);

    numPrints = 0;

    complexBindProcs = TMGetComplexBindEntry(bindData, 0);
    for (i = 0;
	 i < xlations->numStateTrees;
	 i++, complexBindProcs++) {
	if (complexBindProcs->widget)
	  {
	      ProcessStateTree(prints, xlations, i, &numPrints);
	  }
    }
    for (i = 0; i < numPrints; i++) {
	TMSimpleStateTree stateTree = (TMSimpleStateTree)
	  xlations->stateTreeTbl[prints[i].tIndex];
	TMBranchHead branchHead =
	  &stateTree->branchHeadTbl[prints[i].bIndex];

	complexBindProcs = TMGetComplexBindEntry(bindData, 0);

	PrintState(sb, (TMStateTree)stateTree, branchHead, True,
		   complexBindProcs[prints[i].tIndex].widget,
		   XtDisplay(widget));
    }
    XtStackFree((XtPointer)prints, (XtPointer)stackPrints);
    printf("%s\n", sb->start);
    XtFree(sb->start);
}
#endif /*NO_MIT_HACKS*/

String _XtPrintActions(
    register ActionRec *actions,
    XrmQuark		*quarkTbl)
{
    TMStringBufRec	sbRec, *sb = &sbRec;

    sb->max = 1000;
    sb->current = sb->start = __XtMalloc((Cardinal)1000);
    PrintActions(sb,
		 actions,
		 quarkTbl,
		 (Widget)NULL);
    return sb->start;
}

String _XtPrintState(
    TMStateTree		stateTree,
    TMBranchHead	branchHead)
{
    TMStringBufRec	sbRec, *sb = &sbRec;

    sb->current = sb->start = __XtMalloc((Cardinal)1000);
    sb->max = 1000;
    PrintState(sb, stateTree, branchHead,
	       True, (Widget)NULL, (Display *)NULL);
    return sb->start;
}


String _XtPrintEventSeq(
    register EventSeqPtr eventSeq,
    Display *dpy)
{
    TMStringBufRec	sbRec, *sb = &sbRec;
    TMTypeMatch		typeMatch;
    TMModifierMatch	modMatch;
#define MAXSEQS 100
    EventSeqPtr		eventSeqs[MAXSEQS];
    TMShortCard		i, j;
    Boolean		cycle = False;

    sb->current = sb->start = __XtMalloc((Cardinal)1000);
    sb->max = 1000;
    for (i = 0;
	 i < MAXSEQS && eventSeq != NULL && !cycle;
	 eventSeq = eventSeq->next, i++)
      {
	  eventSeqs[i] = eventSeq;
	  for (j = 0; j < i && !cycle; j++)
	    if (eventSeqs[j] == eventSeq)
	      cycle = True;
      }
    LOCK_PROCESS;
    for (j = 0; j < i; j++) {
	typeMatch =
	  TMGetTypeMatch(_XtGetTypeIndex(&eventSeqs[j]->event));
	modMatch =
	  TMGetModifierMatch(_XtGetModifierIndex(&eventSeqs[j]->event));
	PrintEvent(sb, typeMatch, modMatch, dpy);
	if (j < i)
	  *sb->current++ = ',';
    }
    UNLOCK_PROCESS;
    return sb->start;
}