Access2Base - Error handling extended

Error code is captured and made available from outside
the access2base library

wizards/source/access2base/Root_.xba

@@ -25,6 +25,9 @@ Private TraceLogs()			As Variant
 Private TraceLogCount		As Integer
 Private TraceLogLast		As Integer
 Private TraceLogMaxEntries	As Integer
+Private LastErrorCode		As Integer
+Private ErrorText			As String
+Private ErrorLongText		As String
 Private CalledSub			As String
 Private DebugPrintShort		As Boolean
 Private Introspection		As Object				'	com.sun.star.beans.Introspection	
@@ -50,6 +53,9 @@ Private Sub Class_Initialize()
 	TraceLogCount = 0
 	TraceLogLast = 0
 	TraceLogMaxEntries = 0
+	LastErrorCode = 0
+	ErrorText = ""
+	ErrorLongText = ""
 	CalledSub = ""
 	DebugPrintShort = True
 	Locale = L10N._GetLocale()

wizards/source/access2base/Trace.xba

@@ -148,7 +148,9 @@ Public Sub TraceError(ByVal psErrorLevel As String _
 						, ByVal Optional pvMsgBox As Variant _
 						, ByVal Optional pvArgs As Variant _
 						)
-'	store error codes in trace buffer
+'	Store error code and description in trace rolling buffer
+'	Display error message if errorlevel >= ERROR
+'	Stop program execution if errorlevel = FATAL or ABORT
 
 	On Local Error Resume Next
 	If IsEmpty(_A2B_) Then Call Application._RootInit()	'	First use of Access2Base in current LibO/AOO session
@@ -159,12 +161,16 @@ Dim sErrorText As String, sErrorDesc As String, oDb As Object
 							& " (" & sErrorDesc & ") " & _GetLabel("ERROCCUR") _
 							& Iif(piErrorLine > 0, " " & _GetLabel("ERRLINE") & " " & CStr(piErrorLine), "") _
 							& Iif(psErrorProc <> "", " " & _GetLabel("ERRIN") & " " & psErrorProc, Iif(_A2B_.CalledSub = "", "", " " & _Getlabel("ERRIN") & " " & _A2B_.CalledSub))
+	With _A2B_
+		.LastErrorCode = piErrorCode
+		.ErrorText = sErrorDesc
+		.ErrorLongText = sErrorText
+	End With
 	If IsMissing(pvMsgBox) Then pvMsgBox = ( psErrorLevel = TRACEERRORS Or psErrorLevel = TRACEFATAL Or psErrorLevel = TRACEABORT )
 	TraceLog(psErrorLevel, sErrorText, pvMsgBox)
 	
 	'	Unexpected error detected in user program or in Access2Base
 	If psErrorLevel = TRACEFATAL Or psErrorLevel = TRACEABORT Then
-		_A2B_.CalledSub = ""
 		If psErrorLevel = TRACEFATAL Then
 			Set oDb = Application.CurrentDb()
 			If Not IsNull(oDb) Then oDb.CloseAllrecordsets()
@@ -172,7 +178,23 @@ Dim sErrorText As String, sErrorDesc As String, oDb As Object
 		Stop
 	End If
 
-End Sub		'	TraceError	V0.9,5
+End Sub		'	TraceError	V0.9.5
+
+REM -----------------------------------------------------------------------------------------------------------------------
+Public Function TraceErrorCode(ByVal Optional piMode As Integer) As Variant
+'	Return the last encountered error code or description
+'	UNPUBLISHED
+
+Const cstCode = 0, cstDesc = 1, cstLongDesc = 2
+
+	If IsMissing(piMode) Then piMode = cstCode
+	Select Case piMode
+		Case cstCode		:	TraceErrorCode = _A2B_.LastErrorCode
+		Case cstDesc		:	TraceErrorCode = _A2B_.ErrorText
+		Case cstLongDesc	:	TraceErrorCode = _A2B_.ErrorLongText
+	End Select
+
+End Function	'	TraceErrorCode V6.3
 
 REM -----------------------------------------------------------------------------------------------------------------------
 Public Sub TraceLevel(ByVal Optional psTraceLevel As String)

wizards/source/access2base/Utils.xba

@@ -1041,8 +1041,10 @@ Public Sub _ResetCalledSub(ByVal psSub As String)
 '	Called in bottom of each public function. _A2B_.CalledSub variable is used for error handling
 '	Used to trace routine in/outs and to clarify error messages
 		If IsEmpty(_A2B_) Then Call Application._RootInit()	'	Only is Utils module recompiled
-		If _A2B_.CalledSub = psSub Then _A2B_.CalledSub = ""
-		If _A2B_.MinimalTraceLevel = 1 Then TraceLog(TRACEDEBUG, _GetLabel("Exiting") & " " & psSub & " ...", False)
+		With _A2B_
+			If .CalledSub = psSub Then .CalledSub = ""
+			If .MinimalTraceLevel = 1 Then TraceLog(TRACEDEBUG, _GetLabel("Exiting") & " " & psSub & " ...", False)
+		End With
 End Sub			'	ResetCalledSub
 
 REM -----------------------------------------------------------------------------------------------------------------------
@@ -1073,8 +1075,15 @@ Public Sub _SetCalledSub(ByVal psSub As String)
 '	Called in top of each public function.
 '	Used to trace routine in/outs and to clarify error messages
 		If IsEmpty(_A2B_) Then Call Application._RootInit()	'	First use of Access2Base in current LibO/AOO session
-		If _A2B_.CalledSub = "" Then _A2B_.CalledSub = psSub
-		If _A2B_.MinimalTraceLevel = 1 Then TraceLog(TRACEDEBUG, _GetLabel("Entering") & " " & psSub & " ...", False)
+		With _A2B_
+			If .CalledSub = "" Then
+				.CalledSub = psSub
+				.LastErrorCode = 0
+				.ErrorText = ""
+				.ErrorLongText = ""
+			End If
+			If .MinimalTraceLevel = 1 Then TraceLog(TRACEDEBUG, _GetLabel("Entering") & " " & psSub & " ...", False)
+		End With
 End Sub			'	SetCalledSub
 
 REM -----------------------------------------------------------------------------------------------------------------------