/// <summary>
/// Gets the line and start offset of the current statement, assuming
/// it is between two code snippets (<% %> current statement <% %>).
/// </summary>
/// <param name="linelookup">The line lookup to search in.</param>
/// <param name="startOffset">The variable to place the start offset in.</param>
/// <returns>The DocumentLine that the current statement starts on.</returns>
private DocumentLine GetStartline_TextBetweenCodeSnippets(CompiledToTemplateLineLookup linelookup,
out int startOffset)
{
DocumentLine startline = syntaxEditor1.Document.Lines[linelookup.TemplateLineNumber];
startOffset = startline.StartOffset + linelookup.TemplateColumn +
linelookup.SnippetLength + 2;
TextStream stream = syntaxEditor1.Document.GetTextStream(startOffset);
while (stream.TokenText != "%>")
stream.ReadTokenReverse();
startOffset = stream.Token.EndOffset;
return startline;
}
///// <summary>
///// Updates the UI with the latest information from the debugger.
///// </summary>
///// <param name="di">The information about the current state of the debugger.</param>
///// <param name="finished">True if the debugger has finished executing.</param>
//public void UpdateDebugState(DebugInformation di, bool finished)
//{
// if (finished)
// {
// ChangeOutputText(di.CurrentOutput);
// StopProgressBar();
// functionToolStripStatusLabel.Text = "Debugger Stopped";
// return;
// }
// ChangeOutputText(di.CurrentOutput);
// SetLocalVariables(di.LocalVariableInformation);
// if (!di.Stopped) return;
// if (di.StopReason == StopReason.ExceptionOccurred)
// {
// MessageBox.Show(di.ExceptionInformation.Message, "Error updating debug state", MessageBoxButtons.OK, MessageBoxIcon.Error);
// }
// else
// SetCurrentStatement(di);
//}
//private void SetLocalVariables(IEnumerable<LocalVariableInformation> information)
//{
// Controller.Instance.MainForm.UcFunctions.SetLocalVariables(information);
//}
///// <summary>
///// Sets the currently executing statement. Clears the previous marker
///// and adds a new CurrentStatementSpanIndicator to the current statement
///// layer.
///// </summary>
///// <param name="di">The information passed back from the debugger. Contains the information needed
///// to highlight the correct text in the syntax editor.</param>
//public void SetCurrentStatement(DebugInformation di)
//{
// int compiledLineNumber = di.StartLineNumber - 1, compiledColumnNumber = di.StartColumnNumber;
// List<CompiledToTemplateLineLookup> lookup =
// CompileHelper.TemplateLinesLookup[compiledLineNumber];
// int lookupIndex = 0;
// if (lookup.Count > 1)
// {
// for (int i = lookup.Count - 1; i >= 0; i--)
// {
// lookupIndex = i;
// CompiledToTemplateLineLookup ll = lookup[i];
// if (ll.CompiledColumn <= compiledColumnNumber)
// break;
// }
// }
// int startOffset, endOffset;
// // Calculate startOffset
// DocumentLine startline;
// if (compiledColumnNumber >= lookup[lookup.Count - 1].CompiledColumn + lookup[lookup.Count - 1].SnippetLength)
// {
// startline = GetStartline_CodeAtEndOfLine(lookup, compiledColumnNumber, out startOffset);
// }
// else if (compiledColumnNumber >= lookup[lookupIndex].CompiledColumn + lookup[lookupIndex].SnippetLength)
// {
// // The startOffset is between two <% %> blocks, like so
// // <% ... %> The text we are stopped on <% ... %>
// startline = GetStartline_TextBetweenCodeSnippets(lookup[lookupIndex], out startOffset);
// }
// else
// {
// startline = GetStartline(lookup[lookupIndex], compiledColumnNumber, out startOffset);
// }
// TextStream stream = syntaxEditor1.Document.GetTextStream(startOffset);
// SyntaxLanguage language = stream.Token.Language;
// if (language.Tag.ToString() == "ScriptLanguage")
// {
// if (compiledColumnNumber != 0 &&
// lookup[lookupIndex].CompiledColumn + lookup[lookupIndex].SnippetLength == 0)
// {
// // If there is no offset information about this specific piece of code,
// // assume this line in the template only contains code at the start (no <% ).
// // Just shift by the column number we get from the debugger.
// // An example of this would be stepping through foreach statements - each
// // piece of the statement is stepped though individually.
// startOffset = startline.StartOffset + compiledColumnNumber;
// endOffset = GetEndOffsetScriptLanguage(di, startline, startOffset);
// }
// else if (compiledColumnNumber != lookup[lookupIndex].CompiledColumn)
// {
// // Fix for multiple statements on one line.
// // <% Write(sb, "something"); if(somethingelse) { %>
// startOffset += compiledColumnNumber - lookup[lookupIndex].CompiledColumn;
// endOffset = GetEndOffsetScriptLanguage(di, startline, startOffset);
// }
// else if (syntaxEditor1.Document[startOffset - 3] == '=')
// {
// // Fix for <%= %> blocks.
// // Shift the stream to before the <%=
// stream.Offset = startOffset - 5;
// if (stream.TokenText == "<%")
// {
// startOffset -= 2;
// endOffset = GetEndOffsetLanguageBlock(syntaxEditor1, startOffset, "ScriptLanguage");
// }
// else // This is not a <%= %> block so treat it like normal.
// endOffset = GetEndOffsetScriptLanguage(di, startline, startOffset);
// }
// else // No special fixes - just use the start offset calculated before.
// endOffset = GetEndOffsetScriptLanguage(di, startline, startOffset);
// }
// else
// {
// // The -2 is to bring the offset back before the <%
// endOffset = GetEndOffsetLanguageBlock(syntaxEditor1, startOffset, "TemplateLanguage");
// if (syntaxEditor1.Document.Lines[syntaxEditor1.Document.Lines.Count - 1].EndOffset != endOffset)
// endOffset -= 2;
// }
// SpanIndicatorLayer layer = syntaxEditor1.Document.SpanIndicatorLayers[CurrentStatementLayerKey];
// TextRange range = new TextRange(startOffset, endOffset);
// layer.Clear();
// if (range.IsZeroLength)
// {
// // This forces the debugger to skip lines that cannot be displayed.
// // This may not be a good idea. I can't think of a better option at
// // this point though.
// Controller.Instance.TriggerNextDebugAction();
// }
// else
// {
// layer.Add(new CurrentStatementSpanIndicator(), range);
// functionToolStripStatusLabel.Text = "Breakpoint hit";
// }
// syntaxEditor1.SuspendPainting();
// syntaxEditor1.SelectedView.GotoNextSpanIndicator(layer, "Current Statement");
// syntaxEditor1.SelectedView.Selection.Collapse();
// syntaxEditor1.ResumePainting();
//}
/// <summary>
/// Gets the line and start offset of the current statement, making no assumptions
/// about the position of the current statement. Naive implementation, will fail
/// for the cases that have specific functions for this. The specific functions will
/// be named GetStartLine_[condition], where condition describes the situation in which
/// the function should be used. If there is no other function which covers the current
/// situation, use this one.
/// </summary>
/// <param name="linelookup">The line lookup to search in.</param>
/// <param name="compiledColumnNumber">The column number of the current statement in the complied code.</param>
/// <returns>The DocumentLine that the current statement starts on.</returns>
/// <param name="startOffset"></param>
private DocumentLine GetStartline(CompiledToTemplateLineLookup linelookup,
int compiledColumnNumber, out int startOffset)
{
DocumentLine startline = syntaxEditor1.Document.Lines[linelookup.TemplateLineNumber];
if (compiledColumnNumber == 0 && CheckForClosingASPTag(startline.StartOffset))
{
startOffset = startline.StartOffset + 2;
}
else
{
startOffset = startline.StartOffset + linelookup.TemplateColumn;
}
return startline;
}