tuidata.c

gdb-6.0 linux 下的调试工具

/*
   ** allocGenericWinInfo().
 */
TuiGenWinInfoPtr
allocGenericWinInfo (void)
{
  TuiGenWinInfoPtr win;

  if ((win = (TuiGenWinInfoPtr) xmalloc (
		     sizeof (TuiGenWinInfoPtr))) != (TuiGenWinInfoPtr) NULL)
    initGenericPart (win);

  return win;
}				/* allocGenericWinInfo */


/*
   ** initGenericPart().
 */
void
initGenericPart (TuiGenWinInfoPtr win)
{
  win->width =
    win->height =
    win->origin.x =
    win->origin.y =
    win->viewportHeight =
    win->contentSize =
    win->lastVisibleLine = 0;
  win->handle = (WINDOW *) NULL;
  win->content = (OpaquePtr) NULL;
  win->contentInUse =
    win->isVisible = FALSE;
  win->title = 0;
}


/*
   ** initContentElement().
 */
void
initContentElement (TuiWinElementPtr element, TuiWinType type)
{
  element->highlight = FALSE;
  switch (type)
    {
    case SRC_WIN:
    case DISASSEM_WIN:
      element->whichElement.source.line = (char *) NULL;
      element->whichElement.source.lineOrAddr.lineNo = 0;
      element->whichElement.source.isExecPoint = FALSE;
      element->whichElement.source.hasBreak = FALSE;
      break;
    case DATA_WIN:
      initGenericPart (&element->whichElement.dataWindow);
      element->whichElement.dataWindow.type = DATA_ITEM_WIN;
      ((TuiGenWinInfoPtr) & element->whichElement.dataWindow)->content =
	(OpaquePtr) allocContent (1, DATA_ITEM_WIN);
      ((TuiGenWinInfoPtr)
       & element->whichElement.dataWindow)->contentSize = 1;
      break;
    case CMD_WIN:
      element->whichElement.command.line = (char *) NULL;
      break;
    case DATA_ITEM_WIN:
      element->whichElement.data.name = (char *) NULL;
      element->whichElement.data.type = TUI_REGISTER;
      element->whichElement.data.itemNo = UNDEFINED_ITEM;
      element->whichElement.data.value = (Opaque) NULL;
      element->whichElement.data.highlight = FALSE;
      break;
    case LOCATOR_WIN:
      element->whichElement.locator.fileName[0] =
	element->whichElement.locator.procName[0] = (char) 0;
      element->whichElement.locator.lineNo = 0;
      element->whichElement.locator.addr = 0;
      break;
    case EXEC_INFO_WIN:
      memset(element->whichElement.simpleString, ' ',
             sizeof(element->whichElement.simpleString));
      break;
    default:
      break;
    }
  return;
}				/* initContentElement */

/*
   ** initWinInfo().
 */
void
initWinInfo (TuiWinInfoPtr winInfo)
{
  initGenericPart (&winInfo->generic);
  winInfo->canHighlight =
    winInfo->isHighlighted = FALSE;
  switch (winInfo->generic.type)
    {
    case SRC_WIN:
    case DISASSEM_WIN:
      winInfo->detail.sourceInfo.executionInfo = (TuiGenWinInfoPtr) NULL;
      winInfo->detail.sourceInfo.hasLocator = FALSE;
      winInfo->detail.sourceInfo.horizontalOffset = 0;
      winInfo->detail.sourceInfo.startLineOrAddr.addr = 0;
      winInfo->detail.sourceInfo.filename = 0;
      break;
    case DATA_WIN:
      winInfo->detail.dataDisplayInfo.dataContent = (TuiWinContent) NULL;
      winInfo->detail.dataDisplayInfo.dataContentCount = 0;
      winInfo->detail.dataDisplayInfo.regsContent = (TuiWinContent) NULL;
      winInfo->detail.dataDisplayInfo.regsContentCount = 0;
      winInfo->detail.dataDisplayInfo.regsDisplayType =
	TUI_UNDEFINED_REGS;
      winInfo->detail.dataDisplayInfo.regsColumnCount = 1;
      winInfo->detail.dataDisplayInfo.displayRegs = FALSE;
      break;
    case CMD_WIN:
      winInfo->detail.commandInfo.curLine = 0;
      winInfo->detail.commandInfo.curch = 0;
      break;
    default:
      winInfo->detail.opaque = (Opaque) NULL;
      break;
    }

  return;
}				/* initWinInfo */


/*
   ** allocWinInfo().
 */
TuiWinInfoPtr
allocWinInfo (TuiWinType type)
{
  TuiWinInfoPtr winInfo = (TuiWinInfoPtr) NULL;

  winInfo = (TuiWinInfoPtr) xmalloc (sizeof (TuiWinInfo));
  if (m_winPtrNotNull (winInfo))
    {
      winInfo->generic.type = type;
      initWinInfo (winInfo);
    }

  return winInfo;
}				/* allocWinInfo */


/*
   ** allocContent().
   **        Allocates the content and elements in a block.
 */
TuiWinContent
allocContent (int numElements, TuiWinType type)
{
  TuiWinContent content = (TuiWinContent) NULL;
  char *elementBlockPtr = (char *) NULL;
  int i;

  if ((content = (TuiWinContent)
  xmalloc (sizeof (TuiWinElementPtr) * numElements)) != (TuiWinContent) NULL)
    {				/*
				   ** All windows, except the data window, can allocate the elements
				   ** in a chunk.  The data window cannot because items can be
				   ** added/removed from the data display by the user at any time.
				 */
      if (type != DATA_WIN)
	{
	  if ((elementBlockPtr = (char *)
	   xmalloc (sizeof (TuiWinElement) * numElements)) != (char *) NULL)
	    {
	      for (i = 0; i < numElements; i++)
		{
		  content[i] = (TuiWinElementPtr) elementBlockPtr;
		  initContentElement (content[i], type);
		  elementBlockPtr += sizeof (TuiWinElement);
		}
	    }
	  else
	    {
	      tuiFree ((char *) content);
	      content = (TuiWinContent) NULL;
	    }
	}
    }

  return content;
}				/* allocContent */


/*
   ** addContentElements().
   **        Adds the input number of elements to the windows's content.  If
   **        no content has been allocated yet, allocContent() is called to
   **        do this.  The index of the first element added is returned,
   **        unless there is a memory allocation error, in which case, (-1)
   **        is returned.
 */
int
addContentElements (TuiGenWinInfoPtr winInfo, int numElements)
{
  TuiWinElementPtr elementPtr;
  int i, indexStart;

  if (winInfo->content == (OpaquePtr) NULL)
    {
      winInfo->content = (OpaquePtr) allocContent (numElements, winInfo->type);
      indexStart = 0;
    }
  else
    indexStart = winInfo->contentSize;
  if (winInfo->content != (OpaquePtr) NULL)
    {
      for (i = indexStart; (i < numElements + indexStart); i++)
	{
	  if ((elementPtr = (TuiWinElementPtr)
	       xmalloc (sizeof (TuiWinElement))) != (TuiWinElementPtr) NULL)
	    {
	      winInfo->content[i] = (Opaque) elementPtr;
	      initContentElement (elementPtr, winInfo->type);
	      winInfo->contentSize++;
	    }
	  else			/* things must be really hosed now! We ran out of memory!? */
	    return (-1);
	}
    }

  return indexStart;
}				/* addContentElements */


/* Delete all curses windows associated with winInfo, leaving everything
   else intact.  */
void
tuiDelWindow (TuiWinInfoPtr winInfo)
{
  TuiGenWinInfoPtr genericWin;

  switch (winInfo->generic.type)
    {
    case SRC_WIN:
    case DISASSEM_WIN:
      genericWin = locatorWinInfoPtr ();
      if (genericWin != (TuiGenWinInfoPtr) NULL)
	{
	  tuiDelwin (genericWin->handle);
	  genericWin->handle = (WINDOW *) NULL;
	  genericWin->isVisible = FALSE;
	}
      if (winInfo->detail.sourceInfo.filename)
        {
          xfree (winInfo->detail.sourceInfo.filename);
          winInfo->detail.sourceInfo.filename = 0;
        }
      genericWin = winInfo->detail.sourceInfo.executionInfo;
      if (genericWin != (TuiGenWinInfoPtr) NULL)
	{
	  tuiDelwin (genericWin->handle);
	  genericWin->handle = (WINDOW *) NULL;
	  genericWin->isVisible = FALSE;
	}
      break;
    case DATA_WIN:
      if (winInfo->generic.content != (OpaquePtr) NULL)
	{
	  tuiDelDataWindows (winInfo->detail.dataDisplayInfo.regsContent,
                             winInfo->detail.dataDisplayInfo.regsContentCount);
	  tuiDelDataWindows (winInfo->detail.dataDisplayInfo.dataContent,
                             winInfo->detail.dataDisplayInfo.dataContentCount);
	}
      break;
    default:
      break;
    }
  if (winInfo->generic.handle != (WINDOW *) NULL)
    {
      tuiDelwin (winInfo->generic.handle);
      winInfo->generic.handle = (WINDOW *) NULL;
      winInfo->generic.isVisible = FALSE;
    }
}


/*
   **  freeWindow().
 */
void
freeWindow (TuiWinInfoPtr winInfo)
{
  TuiGenWinInfoPtr genericWin;

  switch (winInfo->generic.type)
    {
    case SRC_WIN:
    case DISASSEM_WIN:
      genericWin = locatorWinInfoPtr ();
      if (genericWin != (TuiGenWinInfoPtr) NULL)
	{
	  tuiDelwin (genericWin->handle);
	  genericWin->handle = (WINDOW *) NULL;
	}
      freeWinContent (genericWin);
      if (winInfo->detail.sourceInfo.filename)
        {
          xfree (winInfo->detail.sourceInfo.filename);
          winInfo->detail.sourceInfo.filename = 0;
        }
      genericWin = winInfo->detail.sourceInfo.executionInfo;
      if (genericWin != (TuiGenWinInfoPtr) NULL)
	{
	  tuiDelwin (genericWin->handle);
	  genericWin->handle = (WINDOW *) NULL;
	  freeWinContent (genericWin);
	}
      break;
    case DATA_WIN:
      if (winInfo->generic.content != (OpaquePtr) NULL)
	{
	  freeDataContent (
			    winInfo->detail.dataDisplayInfo.regsContent,
			  winInfo->detail.dataDisplayInfo.regsContentCount);
	  winInfo->detail.dataDisplayInfo.regsContent =
	    (TuiWinContent) NULL;
	  winInfo->detail.dataDisplayInfo.regsContentCount = 0;
	  freeDataContent (
			    winInfo->detail.dataDisplayInfo.dataContent,
			  winInfo->detail.dataDisplayInfo.dataContentCount);
	  winInfo->detail.dataDisplayInfo.dataContent =
	    (TuiWinContent) NULL;
	  winInfo->detail.dataDisplayInfo.dataContentCount = 0;
	  winInfo->detail.dataDisplayInfo.regsDisplayType =
	    TUI_UNDEFINED_REGS;
	  winInfo->detail.dataDisplayInfo.regsColumnCount = 1;
	  winInfo->detail.dataDisplayInfo.displayRegs = FALSE;
	  winInfo->generic.content = (OpaquePtr) NULL;
	  winInfo->generic.contentSize = 0;
	}
      break;
    default:
      break;
    }
  if (winInfo->generic.handle != (WINDOW *) NULL)
    {
      tuiDelwin (winInfo->generic.handle);
      winInfo->generic.handle = (WINDOW *) NULL;
      freeWinContent (&winInfo->generic);
    }
  if (winInfo->generic.title)
    xfree (winInfo->generic.title);
  xfree (winInfo);
}


/*
   ** freeAllSourceWinsContent().
 */
void
freeAllSourceWinsContent (void)
{
  int i;

  for (i = 0; i < (sourceWindows ())->count; i++)
    {
      TuiWinInfoPtr winInfo = (TuiWinInfoPtr) (sourceWindows ())->list[i];

      if (m_winPtrNotNull (winInfo))
	{
	  freeWinContent (&(winInfo->generic));
	  freeWinContent (winInfo->detail.sourceInfo.executionInfo);
	}
    }

  return;
}				/* freeAllSourceWinsContent */


/*
   ** freeWinContent().
 */
void
freeWinContent (TuiGenWinInfoPtr winInfo)
{
  if (winInfo->content != (OpaquePtr) NULL)
    {
      freeContent ((TuiWinContent) winInfo->content,
		   winInfo->contentSize,
		   winInfo->type);
      winInfo->content = (OpaquePtr) NULL;
    }
  winInfo->contentSize = 0;

  return;
}				/* freeWinContent */


void
tuiDelDataWindows (TuiWinContent content, int contentSize)
{
  int i;

  /*
     ** Remember that data window content elements are of type TuiGenWinInfoPtr,
     ** each of which whose single element is a data element.
   */
  for (i = 0; i < contentSize; i++)
    {
      TuiGenWinInfoPtr genericWin = &content[i]->whichElement.dataWindow;

      if (genericWin != (TuiGenWinInfoPtr) NULL)
	{
	  tuiDelwin (genericWin->handle);
	  genericWin->handle = (WINDOW *) NULL;
	  genericWin->isVisible = FALSE;
	}
    }

  return;
}				/* tuiDelDataWindows */


void
freeDataContent (TuiWinContent content, int contentSize)
{
  int i;

  /*
     ** Remember that data window content elements are of type TuiGenWinInfoPtr,
     ** each of which whose single element is a data element.
   */
  for (i = 0; i < contentSize; i++)
    {
      TuiGenWinInfoPtr genericWin = &content[i]->whichElement.dataWindow;

      if (genericWin != (TuiGenWinInfoPtr) NULL)
	{
	  tuiDelwin (genericWin->handle);
	  genericWin->handle = (WINDOW *) NULL;
	  freeWinContent (genericWin);
	}
    }
  freeContent (content,
	       contentSize,
	       DATA_WIN);

  return;
}				/* freeDataContent */


/**********************************
** LOCAL STATIC FUNCTIONS        **
**********************************/


/*
   ** freeContent().
 */
static void
freeContent (TuiWinContent content, int contentSize, TuiWinType winType)
{
  if (content != (TuiWinContent) NULL)
    {
      freeContentElements (content, contentSize, winType);
      tuiFree ((char *) content);
    }

  return;
}				/* freeContent */


/*
   ** freeContentElements().
 */
static void
freeContentElements (TuiWinContent content, int contentSize, TuiWinType type)
{
  if (content != (TuiWinContent) NULL)
    {
      int i;

      if (type == SRC_WIN || type == DISASSEM_WIN)
	{
	  /* free whole source block */
	  if (content[0]->whichElement.source.line != (char *) NULL)
	    tuiFree (content[0]->whichElement.source.line);
	}
      else
	{
	  for (i = 0; i < contentSize; i++)
	    {
	      TuiWinElementPtr element;

	      element = content[i];
	      if (element != (TuiWinElementPtr) NULL)
		{
		  switch (type)
		    {
		    case DATA_WIN:
		      tuiFree ((char *) element);
		      break;
		    case DATA_ITEM_WIN:
		      /*
		         ** Note that data elements are not allocated
		         ** in a single block, but individually, as needed.
		       */
		      if (element->whichElement.data.type != TUI_REGISTER)
			tuiFree ((char *)
				 element->whichElement.data.name);
		      tuiFree ((char *) element->whichElement.data.value);
		      tuiFree ((char *) element);
		      break;
		    case CMD_WIN:
		      tuiFree ((char *) element->whichElement.command.line);
		      break;
		    default:
		      break;
		    }
		}
	    }
	}
      if (type != DATA_WIN && type != DATA_ITEM_WIN)
	tuiFree ((char *) content[0]);	/* free the element block */
    }

  return;
}				/* freeContentElements */