Initial revision

1 files changed, 1624 insertions, 0 deletions

diff --git a/gdb/tui/tuiData.c b/gdb/tui/tuiData.c
new file mode 100644
index 00000000000..758a6cde492
--- /dev/null
+++ b/gdb/tui/tuiData.c
@@ -0,0 +1,1624 @@
+/*
+** tuiData.c
+**    This module contains functions for manipulating the data
+**    structures used by the TUI
+*/
+
+#include "defs.h"
+#include "tui.h"
+#include "tuiData.h"
+
+/****************************
+** GLOBAL DECLARATIONS
+****************************/
+TuiWinInfoPtr winList[MAX_MAJOR_WINDOWS];
+
+/***************************
+** Private Definitions
+****************************/
+#define FILE_WIDTH   30
+#define PROC_WIDTH   40
+#define LINE_WIDTH   4
+#define PC_WIDTH     8
+
+/***************************
+** Private data
+****************************/
+static char *_tuiNullStr = TUI_NULL_STR;
+static char *_tuiBlankStr = "   ";
+static char *_tuiLocationStr = "  >";
+static char *_tuiBreakStr = " * ";
+static char *_tuiBreakLocationStr = " *>";
+static TuiLayoutType _currentLayout = UNDEFINED_LAYOUT;
+static int _termHeight, _termWidth;
+static int _historyLimit = DEFAULT_HISTORY_COUNT;
+static TuiGenWinInfo _locator;
+static TuiGenWinInfo _execInfo[2];
+static TuiWinInfoPtr _srcWinList[2];
+static TuiList _sourceWindows =
+{(OpaqueList) _srcWinList, 0};
+static int _defaultTabLen = DEFAULT_TAB_LEN;
+static TuiWinInfoPtr _winWithFocus = (TuiWinInfoPtr) NULL;
+static TuiLayoutDef _layoutDef =
+{SRC_WIN,			/* displayMode */
+ FALSE,				/* split */
+ TUI_UNDEFINED_REGS,		/* regsDisplayType */
+ TUI_SFLOAT_REGS};		/* floatRegsDisplayType */
+static int _winResized = FALSE;
+
+
+/*********************************
+** Static function forward decls
+**********************************/
+static void freeContent PARAMS ((TuiWinContent, int, TuiWinType));
+static void freeContentElements PARAMS ((TuiWinContent, int, TuiWinType));
+
+
+
+/*********************************
+** PUBLIC FUNCTIONS
+**********************************/
+
+/******************************************
+** ACCESSORS & MUTATORS FOR PRIVATE DATA
+******************************************/
+
+/*
+** tuiWinResized().
+**        Answer a whether the terminal window has been resized or not
+*/
+int
+#ifdef __STDC__
+tuiWinResized (void)
+#else
+tuiWinResized ()
+#endif
+{
+  return _winResized;
+}				/* tuiWinResized */
+
+
+/*
+** tuiSetWinResized().
+**        Set a whether the terminal window has been resized or not
+*/
+void
+#ifdef __STDC__
+tuiSetWinResizedTo (
+		     int resized)
+#else
+tuiSetWinResizedTo (resized)
+     int resized;
+#endif
+{
+  _winResized = resized;
+
+  return;
+}				/* tuiSetWinResizedTo */
+
+
+/*
+** tuiLayoutDef().
+**        Answer a pointer to the current layout definition
+*/
+TuiLayoutDefPtr
+#ifdef __STDC__
+tuiLayoutDef (void)
+#else
+tuiLayoutDef ()
+#endif
+{
+  return &_layoutDef;
+}				/* tuiLayoutDef */
+
+
+/*
+** tuiWinWithFocus().
+**        Answer the window with the logical focus
+*/
+TuiWinInfoPtr
+#ifdef __STDC__
+tuiWinWithFocus (void)
+#else
+tuiWinWithFocus ()
+#endif
+{
+  return _winWithFocus;
+}				/* tuiWinWithFocus */
+
+
+/*
+** tuiSetWinWithFocus().
+**        Set the window that has the logical focus
+*/
+void
+#ifdef __STDC__
+tuiSetWinWithFocus (
+		     TuiWinInfoPtr winInfo)
+#else
+tuiSetWinWithFocus (winInfo)
+     TuiWinInfoPtr winInfo;
+#endif
+{
+  _winWithFocus = winInfo;
+
+  return;
+}				/* tuiSetWinWithFocus */
+
+
+/*
+** tuiDefaultTabLen().
+**        Answer the length in chars, of tabs
+*/
+int
+#ifdef __STDC__
+tuiDefaultTabLen (void)
+#else
+tuiDefaultTabLen ()
+#endif
+{
+  return _defaultTabLen;
+}				/* tuiDefaultTabLen */
+
+
+/*
+** tuiSetDefaultTabLen().
+**        Set the length in chars, of tabs
+*/
+void
+#ifdef __STDC__
+tuiSetDefaultTabLen (
+		      int len)
+#else
+tuiSetDefaultTabLen (len)
+     int len;
+#endif
+{
+  _defaultTabLen = len;
+
+  return;
+}				/* tuiSetDefaultTabLen */
+
+
+/*
+** currentSourceWin()
+**        Accessor for the current source window.  Usually there is only
+**        one source window (either source or disassembly), but both can
+**        be displayed at the same time.
+*/
+TuiListPtr
+#ifdef __STDC__
+sourceWindows (void)
+#else
+sourceWindows ()
+#endif
+{
+  return &_sourceWindows;
+}				/* currentSourceWindows */
+
+
+/*
+** clearSourceWindows()
+**        Clear the list of source windows.  Usually there is only one
+**        source window (either source or disassembly), but both can be
+**        displayed at the same time.
+*/
+void
+#ifdef __STDC__
+clearSourceWindows (void)
+#else
+clearSourceWindows ()
+#endif
+{
+  _sourceWindows.list[0] = (Opaque) NULL;
+  _sourceWindows.list[1] = (Opaque) NULL;
+  _sourceWindows.count = 0;
+
+  return;
+}				/* currentSourceWindows */
+
+
+/*
+** clearSourceWindowsDetail()
+**        Clear the pertinant detail in the source windows.
+*/
+void
+#ifdef __STDC__
+clearSourceWindowsDetail (void)
+#else
+clearSourceWindowsDetail ()
+#endif
+{
+  int i;
+
+  for (i = 0; i < (sourceWindows ())->count; i++)
+    clearWinDetail ((TuiWinInfoPtr) (sourceWindows ())->list[i]);
+
+  return;
+}				/* currentSourceWindows */
+
+
+/*
+** addSourceWindowToList().
+**       Add a window to the list of source windows.  Usually there is
+**       only one source window (either source or disassembly), but
+**       both can be displayed at the same time.
+*/
+void
+#ifdef __STDC__
+addToSourceWindows (
+		     TuiWinInfoPtr winInfo)
+#else
+addToSourceWindows (winInfo)
+     TuiWinInfoPtr winInfo;
+#endif
+{
+  if (_sourceWindows.count < 2)
+    _sourceWindows.list[_sourceWindows.count++] = (Opaque) winInfo;
+
+  return;
+}				/* addToSourceWindows */
+
+
+/*
+** clearWinDetail()
+**        Clear the pertinant detail in the windows.
+*/
+void
+#ifdef __STDC__
+clearWinDetail (
+		 TuiWinInfoPtr winInfo)
+#else
+clearWinDetail (winInfo)
+     TuiWinInfoPtr winInfo;
+#endif
+{
+  if (m_winPtrNotNull (winInfo))
+    {
+      switch (winInfo->generic.type)
+	{
+	case SRC_WIN:
+	case DISASSEM_WIN:
+	  winInfo->detail.sourceInfo.startLineOrAddr.addr = (Opaque) NULL;
+	  winInfo->detail.sourceInfo.horizontalOffset = 0;
+	  break;
+	case CMD_WIN:
+	  winInfo->detail.commandInfo.curLine =
+	    winInfo->detail.commandInfo.curch = 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;
+	default:
+	  break;
+	}
+    }
+
+  return;
+}				/* clearWinDetail */
+
+
+/*
+** blankStr()
+**        Accessor for the blank string.
+*/
+char *
+#ifdef __STDC__
+blankStr (void)
+#else
+blankStr ()
+#endif
+{
+  return _tuiBlankStr;
+}				/* blankStr */
+
+
+/*
+** locationStr()
+**        Accessor for the location string.
+*/
+char *
+#ifdef __STDC__
+locationStr (void)
+#else
+locationStr ()
+#endif
+{
+  return _tuiLocationStr;
+}				/* locationStr */
+
+
+/*
+** breakStr()
+**        Accessor for the break string.
+*/
+char *
+#ifdef __STDC__
+breakStr (void)
+#else
+breakStr ()
+#endif
+{
+  return _tuiBreakStr;
+}				/* breakStr */
+
+
+/*
+** breakLocationStr()
+**        Accessor for the breakLocation string.
+*/
+char *
+#ifdef __STDC__
+breakLocationStr (void)
+#else
+breakLocationStr ()
+#endif
+{
+  return _tuiBreakLocationStr;
+}				/* breakLocationStr */
+
+
+/*
+** nullStr()
+**        Accessor for the null string.
+*/
+char *
+#ifdef __STDC__
+nullStr (void)
+#else
+nullStr ()
+#endif
+{
+  return _tuiNullStr;
+}				/* nullStr */
+
+
+/*
+** sourceExecInfoPtr().
+**        Accessor for the source execution info ptr.
+*/
+TuiGenWinInfoPtr
+#ifdef __STDC__
+sourceExecInfoWinPtr (void)
+#else
+sourceExecInfoWinPtr ()
+#endif
+{
+  return &_execInfo[0];
+}				/* sourceExecInfoWinPtr */
+
+
+/*
+** disassemExecInfoPtr().
+**        Accessor for the disassem execution info ptr.
+*/
+TuiGenWinInfoPtr
+#ifdef __STDC__
+disassemExecInfoWinPtr (void)
+#else
+disassemExecInfoWinPtr ()
+#endif
+{
+  return &_execInfo[1];
+}				/* disassemExecInfoWinPtr */
+
+
+/*
+** locatorWinInfoPtr().
+**        Accessor for the locator win info.  Answers a pointer to the
+**        static locator win info struct.
+*/
+TuiGenWinInfoPtr
+#ifdef __STDC__
+locatorWinInfoPtr (void)
+#else
+locatorWinInfoPtr ()
+#endif
+{
+  return &_locator;
+}				/* locatorWinInfoPtr */
+
+
+/*
+** historyLimit().
+**        Accessor for the history limit
+*/
+int
+#ifdef __STDC__
+historyLimit (void)
+#else
+historyLimit ()
+#endif
+{
+  return _historyLimit;
+}				/* historyLimit */
+
+
+/*
+** setHistoryLimitTo().
+**        Mutator for the history limit
+*/
+void
+#ifdef __STDC__
+setHistoryLimitTo (
+		    int h)
+#else
+setHistoryLimitTo (h)
+     int h;
+#endif
+{
+  _historyLimit = h;
+
+  return;
+}				/* setHistoryLimitTo */
+
+/*
+** termHeight().
+**        Accessor for the termHeight
+*/
+int
+#ifdef __STDC__
+termHeight (void)
+#else
+termHeight ()
+#endif
+{
+  return _termHeight;
+}				/* termHeight */
+
+
+/*
+** setTermHeightTo().
+**        Mutator for the term height
+*/
+void
+#ifdef __STDC__
+setTermHeightTo (
+		  int h)
+#else
+setTermHeightTo (h)
+     int h;
+#endif
+{
+  _termHeight = h;
+
+  return;
+}				/* setTermHeightTo */
+
+
+/*
+** termWidth().
+**        Accessor for the termWidth
+*/
+int
+#ifdef __STDC__
+termWidth (void)
+#else
+termWidth ()
+#endif
+{
+  return _termWidth;
+}				/* termWidth */
+
+
+/*
+** setTermWidth().
+**        Mutator for the termWidth
+*/
+void
+#ifdef __STDC__
+setTermWidthTo (
+		 int w)
+#else
+setTermWidthTo (w)
+     int w;
+#endif
+{
+  _termWidth = w;
+
+  return;
+}				/* setTermWidthTo */
+
+
+/*
+** currentLayout().
+**        Accessor for the current layout
+*/
+TuiLayoutType
+#ifdef __STDC__
+currentLayout (void)
+#else
+currentLayout ()
+#endif
+{
+  return _currentLayout;
+}				/* currentLayout */
+
+
+/*
+** setCurrentLayoutTo().
+**        Mutator for the current layout
+*/
+void
+#ifdef __STDC__
+setCurrentLayoutTo (
+		     TuiLayoutType newLayout)
+#else
+setCurrentLayoutTo (newLayout)
+     TuiLayoutType newLayout;
+#endif
+{
+  _currentLayout = newLayout;
+
+  return;
+}				/* setCurrentLayoutTo */
+
+
+/*
+** setGenWinOrigin().
+**        Set the origin of the window
+*/
+void
+#ifdef __STDC__
+setGenWinOrigin (
+		  TuiGenWinInfoPtr winInfo,
+		  int x,
+		  int y)
+#else
+setGenWinOrigin (winInfo, x, y)
+     TuiGenWinInfoPtr winInfo;
+     int x;
+     int y;
+#endif
+{
+  winInfo->origin.x = x;
+  winInfo->origin.y = y;
+
+  return;
+}				/* setGenWinOrigin */
+
+
+/*****************************
+** OTHER PUBLIC FUNCTIONS
+*****************************/
+
+
+/*
+** tuiNextWin().
+**        Answer the next window in the list, cycling back to the top
+**        if necessary
+*/
+TuiWinInfoPtr
+#ifdef __STDC__
+tuiNextWin (
+	     TuiWinInfoPtr curWin)
+#else
+tuiNextWin (curWin)
+     TuiWinInfoPtr curWin;
+#endif
+{
+  TuiWinType type = curWin->generic.type;
+  TuiWinInfoPtr nextWin = (TuiWinInfoPtr) NULL;
+
+  if (curWin->generic.type == CMD_WIN)
+    type = SRC_WIN;
+  else
+    type = curWin->generic.type + 1;
+  while (type != curWin->generic.type && m_winPtrIsNull (nextWin))
+    {
+      if (winList[type]->generic.isVisible)
+	nextWin = winList[type];
+      else
+	{
+	  if (type == CMD_WIN)
+	    type = SRC_WIN;
+	  else
+	    type++;
+	}
+    }
+
+  return nextWin;
+}				/* tuiNextWin */
+
+
+/*
+** tuiPrevWin().
+**        Answer the prev window in the list, cycling back to the bottom
+**        if necessary
+*/
+TuiWinInfoPtr
+#ifdef __STDC__
+tuiPrevWin (
+	     TuiWinInfoPtr curWin)
+#else
+tuiPrevWin (curWin)
+     TuiWinInfoPtr curWin;
+#endif
+{
+  TuiWinType type = curWin->generic.type;
+  TuiWinInfoPtr prev = (TuiWinInfoPtr) NULL;
+
+  if (curWin->generic.type == SRC_WIN)
+    type = CMD_WIN;
+  else
+    type = curWin->generic.type - 1;
+  while (type != curWin->generic.type && m_winPtrIsNull (prev))
+    {
+      if (winList[type]->generic.isVisible)
+	prev = winList[type];
+      else
+	{
+	  if (type == SRC_WIN)
+	    type = CMD_WIN;
+	  else
+	    type--;
+	}
+    }
+
+  return prev;
+}				/* tuiPrevWin */
+
+
+/*
+** displayableWinContentOf().
+**        Answer a the content at the location indicated by index.  Note
+**        that if this is a locator window, the string returned should be
+**        freed after use.
+*/
+char *
+#ifdef __STDC__
+displayableWinContentOf (
+			  TuiGenWinInfoPtr winInfo,
+			  TuiWinElementPtr elementPtr)
+#else
+displayableWinContentOf (winInfo, elementPtr)
+     TuiGenWinInfoPtr winInfo;
+     TuiWinElementPtr elementPtr;
+#endif
+{
+
+  char *string = nullStr ();
+
+  if (elementPtr != (TuiWinElementPtr) NULL || winInfo->type == LOCATOR_WIN)
+    {
+      /*
+        ** Now convert the line to a displayable string
+        */
+      switch (winInfo->type)
+	{
+	case SRC_WIN:
+	case DISASSEM_WIN:
+	  string = elementPtr->whichElement.source.line;
+	  break;
+	case CMD_WIN:
+	  string = elementPtr->whichElement.command.line;
+	  break;
+	case LOCATOR_WIN:
+	  if ((string = (char *) xmalloc (
+		      (termWidth () + 1) * sizeof (char))) == (char *) NULL)
+	      string = nullStr ();
+	  else
+	    {
+	      char lineNo[50], pc[50], buf[50], *fname, *pname;
+	      register int strSize = termWidth (), i, procWidth, fileWidth;
+
+	      /*
+                    ** First determine the amount of file/proc name width
+                    ** we have available
+                    */
+	      i = strSize - (PC_WIDTH + LINE_WIDTH
+			     + 25	/* pc and line labels */
+			     + strlen (FILE_PREFIX) + 1	/* file label */
+			     + 15 /* procedure label */ );
+	      if (i >= FILE_WIDTH + PROC_WIDTH)
+		{
+		  fileWidth = FILE_WIDTH;
+		  procWidth = PROC_WIDTH;
+		}
+	      else
+		{
+		  fileWidth = i / 2;
+		  procWidth = i - fileWidth;
+		}
+
+	      /* Now convert elements to string form */
+	      if (elementPtr != (TuiWinElementPtr) NULL &&
+		  *elementPtr->whichElement.locator.fileName != (char) 0 &&
+		  srcWin->generic.isVisible)
+		fname = elementPtr->whichElement.locator.fileName;
+	      else
+		fname = "??";
+	      if (elementPtr != (TuiWinElementPtr) NULL &&
+		  *elementPtr->whichElement.locator.procName != (char) 0)
+		pname = elementPtr->whichElement.locator.procName;
+	      else
+		pname = "??";
+	      if (elementPtr != (TuiWinElementPtr) NULL &&
+		  elementPtr->whichElement.locator.lineNo > 0)
+		sprintf (lineNo, "%d",
+			 elementPtr->whichElement.locator.lineNo);
+	      else
+		strcpy (lineNo, "??");
+	      if (elementPtr != (TuiWinElementPtr) NULL &&
+		  elementPtr->whichElement.locator.addr > (Opaque) 0)
+		sprintf (pc, "0x%x",
+			 elementPtr->whichElement.locator.addr);
+	      else
+		strcpy (pc, "??");
+	      /*
+                    ** Now create the locator line from the string version
+                    ** of the elements.  We could use sprintf() here but
+                    ** that wouldn't ensure that we don't overrun the size
+                    ** of the allocated buffer.  strcat_to_buf() will.
+                    */
+	      *string = (char) 0;
+	      /* Filename */
+	      strcat_to_buf (string, strSize, " ");
+	      strcat_to_buf (string, strSize, FILE_PREFIX);
+	      if (strlen (fname) > fileWidth)
+		{
+		  strncpy (buf, fname, fileWidth - 1);
+		  buf[fileWidth - 1] = '*';
+		  buf[fileWidth] = (char) 0;
+		}
+	      else
+		strcpy (buf, fname);
+	      strcat_to_buf (string, strSize, buf);
+	      /* procedure/class name */
+	      sprintf (buf, "%15s", PROC_PREFIX);
+	      strcat_to_buf (string, strSize, buf);
+	      if (strlen (pname) > procWidth)
+		{
+		  strncpy (buf, pname, procWidth - 1);
+		  buf[procWidth - 1] = '*';
+		  buf[procWidth] = (char) 0;
+		}
+	      else
+		strcpy (buf, pname);
+	      strcat_to_buf (string, strSize, buf);
+	      sprintf (buf, "%10s", LINE_PREFIX);
+	      strcat_to_buf (string, strSize, buf);
+	      strcat_to_buf (string, strSize, lineNo);
+	      sprintf (buf, "%10s", PC_PREFIX);
+	      strcat_to_buf (string, strSize, buf);
+	      strcat_to_buf (string, strSize, pc);
+	      for (i = strlen (string); i < strSize; i++)
+		string[i] = ' ';
+	      string[strSize] = (char) 0;
+	    }
+	  break;
+	case EXEC_INFO_WIN:
+	  string = elementPtr->whichElement.simpleString;
+	  break;
+	default:
+	  break;
+	}
+    }
+  return string;
+}				/* displayableWinContentOf */
+
+
+/*
+**    winContentAt().
+**        Answer a the content at the location indicated by index
+*/
+char *
+#ifdef __STDC__
+displayableWinContentAt (
+			  TuiGenWinInfoPtr winInfo,
+			  int index)
+#else
+displayableWinContentAt (winInfo, index)
+     TuiGenWinInfoPtr winInfo;
+     int index;
+#endif
+{
+  return (displayableWinContentOf (winInfo, (TuiWinElementPtr) winInfo->content[index]));
+}				/* winContentAt */
+
+
+/*
+** winElementHeight().
+**        Answer the height of the element in lines
+*/
+int
+#ifdef __STDC__
+winElementHeight (
+		   TuiGenWinInfoPtr winInfo,
+		   TuiWinElementPtr element)
+#else
+winElementHeight (winInfo, element)
+     TuiGenWinInfoPtr winInfo;
+     TuiWinElementPtr element;
+#endif
+{
+  int h;
+
+  if (winInfo->type == DATA_WIN)
+/* FOR NOW SAY IT IS ONLY ONE LINE HIGH */
+    h = 1;
+  else
+    h = 1;
+
+  return h;
+}				/* winElementHeight */
+
+
+/*
+**  winByName().
+**      Answer the window represented by name
+*/
+TuiWinInfoPtr
+#ifdef __STDC__
+winByName (
+	    char *name)
+#else
+winByName (name)
+     char *name;
+#endif
+{
+  TuiWinInfoPtr winInfo = (TuiWinInfoPtr) NULL;
+  int i = 0;
+
+  while (i < MAX_MAJOR_WINDOWS && m_winPtrIsNull (winInfo))
+    {
+      if (strcmp (name, winName (&(winList[i]->generic))) == 0)
+	winInfo = winList[i];
+      i++;
+    }
+
+  return winInfo;
+}				/* winByName */
+
+
+/*
+**  partialWinByName().
+**      Answer the window represented by name
+*/
+TuiWinInfoPtr
+#ifdef __STDC__
+partialWinByName (
+		   char *name)
+#else
+partialWinByName (name)
+     char *name;
+#endif
+{
+  TuiWinInfoPtr winInfo = (TuiWinInfoPtr) NULL;
+
+  if (name != (char *) NULL)
+    {
+      int i = 0;
+
+      while (i < MAX_MAJOR_WINDOWS && m_winPtrIsNull (winInfo))
+	{
+	  char *curName = winName (&winList[i]->generic);
+	  if (strlen (name) <= strlen (curName) &&
+	      strncmp (name, curName, strlen (name)) == 0)
+	    winInfo = winList[i];
+	  i++;
+	}
+    }
+
+  return winInfo;
+}				/* partialWinByName */
+
+
+/*
+** winName().
+**      Answer the name of the window
+*/
+char *
+#ifdef __STDC__
+winName (
+	  TuiGenWinInfoPtr winInfo)
+#else
+winName (winInfo)
+     TuiGenWinInfoPtr winInfo;
+#endif
+{
+  char *name = (char *) NULL;
+
+  switch (winInfo->type)
+    {
+    case SRC_WIN:
+      name = SRC_NAME;
+      break;
+    case CMD_WIN:
+      name = CMD_NAME;
+      break;
+    case DISASSEM_WIN:
+      name = DISASSEM_NAME;
+      break;
+    case DATA_WIN:
+      name = DATA_NAME;
+      break;
+    default:
+      name = "";
+      break;
+    }
+
+  return name;
+}				/* winName */
+
+
+/*
+** initializeStaticData
+*/
+void
+#ifdef __STDC__
+initializeStaticData (void)
+#else
+initializeStaticData ()
+#endif
+{
+  initGenericPart (sourceExecInfoWinPtr ());
+  initGenericPart (disassemExecInfoWinPtr ());
+  initGenericPart (locatorWinInfoPtr ());
+
+  return;
+}				/* initializeStaticData */
+
+
+/*
+** allocGenericWinInfo().
+*/
+TuiGenWinInfoPtr
+#ifdef __STDC__
+allocGenericWinInfo (void)
+#else
+allocGenericWinInfo ()
+#endif
+{
+  TuiGenWinInfoPtr win;
+
+  if ((win = (TuiGenWinInfoPtr) xmalloc (
+		     sizeof (TuiGenWinInfoPtr))) != (TuiGenWinInfoPtr) NULL)
+    initGenericPart (win);
+
+  return win;
+}				/* allocGenericWinInfo */
+
+
+/*
+** initGenericPart().
+*/
+void
+#ifdef __STDC__
+initGenericPart (
+		  TuiGenWinInfoPtr win)
+#else
+initGenericPart (win)
+     TuiGenWinInfoPtr win;
+#endif
+{
+  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;
+
+  return;
+}				/* initGenericPart */
+
+
+/*
+** initContentElement().
+*/
+void
+#ifdef __STDC__
+initContentElement (
+		     TuiWinElementPtr element,
+		     TuiWinType type)
+#else
+initContentElement (element, type)
+     TuiWinElementPtr element;
+     TuiWinType type;
+#endif
+{
+  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:
+      element->whichElement.simpleString = blankStr ();
+      break;
+    default:
+      break;
+    }
+  return;
+}				/* initContentElement */
+
+/*
+** initWinInfo().
+*/
+void
+#ifdef __STDC__
+initWinInfo (
+	      TuiWinInfoPtr winInfo)
+#else
+initWinInfo (winInfo)
+     TuiWinInfoPtr winInfo;
+#endif
+{
+  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 = (Opaque) NULL;
+      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
+#ifdef __STDC__
+allocWinInfo (
+	       TuiWinType type)
+#else
+allocWinInfo (type)
+     TuiWinType type;
+#endif
+{
+  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
+#ifdef __STDC__
+allocContent (
+	       int numElements,
+	       TuiWinType type)
+#else
+allocContent (numElements, type)
+     int numElements;
+     TuiWinType type;
+#endif
+{
+  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
+#ifdef __STDC__
+addContentElements (
+		     TuiGenWinInfoPtr winInfo,
+		     int numElements)
+#else
+addContentElements (winInfo, numElements)
+     TuiGenWinInfoPtr winInfo;
+     int numElements;
+#endif
+{
+  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 */
+
+
+/*
+**  tuiDelWindow().
+**     Delete all curses windows associated with winInfo, leaving everything
+**     else in tact.
+*/
+void
+#ifdef __STDC__
+tuiDelWindow (
+	       TuiWinInfoPtr winInfo)
+#else
+tuiDelWindow (winInfo)
+     TuiWinInfoPtr winInfo;
+#endif
+{
+  Opaque detail;
+  int i;
+  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;
+	}
+      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)
+	{
+	  int i;
+
+	  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;
+    }
+
+  return;
+}				/* tuiDelWindow */
+
+
+/*
+**  freeWindow().
+*/
+void
+#ifdef __STDC__
+freeWindow (
+	     TuiWinInfoPtr winInfo)
+#else
+freeWindow (winInfo)
+     TuiWinInfoPtr winInfo;
+#endif
+{
+  Opaque detail;
+  int i;
+  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);
+      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);
+    }
+  free (winInfo);
+
+  return;
+}				/* freeWindow */
+
+
+/*
+** freeAllSourceWinsContent().
+*/
+void
+#ifdef __STDC__
+freeAllSourceWinsContent (void)
+#else
+freeAllSourceWinsContent ()
+#endif
+{
+  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
+#ifdef __STDC__
+freeWinContent (
+		 TuiGenWinInfoPtr winInfo)
+#else
+freeWinContent (winInfo)
+     TuiGenWinInfoPtr winInfo;
+#endif
+{
+  if (winInfo->content != (OpaquePtr) NULL)
+    {
+      freeContent ((TuiWinContent) winInfo->content,
+		   winInfo->contentSize,
+		   winInfo->type);
+      winInfo->content = (OpaquePtr) NULL;
+    }
+  winInfo->contentSize = 0;
+
+  return;
+}				/* freeWinContent */
+
+
+/*
+** freeAllWindows().
+*/
+void
+#ifdef __STDC__
+freeAllWindows (void)
+#else
+freeAllWindows ()
+#endif
+{
+  TuiWinType type = SRC_WIN;
+
+  for (; type < MAX_MAJOR_WINDOWS; type++)
+    if (m_winPtrNotNull (winList[type]) &&
+	winList[type]->generic.type != UNDEFINED_WIN)
+      freeWindow (winList[type]);
+  return;
+}				/* freeAllWindows */
+
+
+void
+#ifdef __STDC__
+tuiDelDataWindows (
+		    TuiWinContent content,
+		    int contentSize)
+#else
+tuiDelDataWindows (content, contentSize)
+     TuiWinContent content;
+     int contentSize;
+#endif
+{
+  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
+#ifdef __STDC__
+freeDataContent (
+		  TuiWinContent content,
+		  int contentSize)
+#else
+freeDataContent (content, contentSize)
+     TuiWinContent content;
+     int contentSize;
+#endif
+{
+  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
+#ifdef __STDC__
+freeContent (
+	      TuiWinContent content,
+	      int contentSize,
+	      TuiWinType winType)
+#else
+freeContent (content, contentSize, winType)
+     TuiWinContent content;
+     int contentSize;
+     TuiWinType winType;
+#endif
+{
+  if (content != (TuiWinContent) NULL)
+    {
+      freeContentElements (content, contentSize, winType);
+      tuiFree ((char *) content);
+    }
+
+  return;
+}				/* freeContent */
+
+
+/*
+** freeContentElements().
+*/
+static void
+#ifdef __STDC__
+freeContentElements (
+		      TuiWinContent content,
+		      int contentSize,
+		      TuiWinType type)
+#else
+freeContentElements (content, contentSize, type)
+     TuiWinContent content;
+     int contentSize;
+     TuiWinType type;
+#endif
+{
+  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 */