Move the code to save text sent before the scripting console window is active into a separate class.

src/AddIns/BackendBindings/Scripting/Project/ICSharpCode.Scripting.csproj

@@ -97,6 +97,7 @@
     <Compile Include="Src\SendLineToScriptingConsoleCommand.cs" />
     <Compile Include="Src\SendSelectedTextToScriptingConsoleCommand.cs" />
     <Compile Include="Src\SendToScriptingConsoleCommand.cs" />
+    <Compile Include="Src\TextSentToScriptingConsole.cs" />
     <Compile Include="Src\ThreadSafeScriptingConsole.cs" />
     <Compile Include="Src\ThreadSafeScriptingConsoleEvents.cs" />
   </ItemGroup>

src/AddIns/BackendBindings/Scripting/Project/Src/ScriptingConsole.cs

@@ -18,7 +18,8 @@ namespace ICSharpCode.Scripting
 		
 		int promptLength;
 		bool firstPromptDisplayed;
-		List<string> savedTextLines = new List<string>();
+		
+		TextSentToScriptingConsole textSent = new TextSentToScriptingConsole();
 		
 		public event EventHandler LineReceived;
 		
@@ -70,18 +71,19 @@ namespace ICSharpCode.Scripting
 		{
 			textEditor.Write(text);
 			if (style == ScriptingStyle.Prompt) {
-				WriteSavedTextAfterFirstPrompt();
+				firstPromptDisplayed = true;
 				promptLength = text.Length;
+				
+				WriteFirstLineOfSentText();
+				
 				textEditor.MakeCurrentContentReadOnly();
 			}
 		}
 		
-		void WriteSavedTextAfterFirstPrompt()
+		void WriteFirstLineOfSentText()
 		{
-			firstPromptDisplayed = true;
-			if (savedTextLines.Count > 0) {
-				string line = GetFirstLineOfText(savedTextLines);
-				savedTextLines.RemoveAt(0);
+			if (textSent.HasLine) {
+				string line = textSent.RemoveFirstLine();
 				textEditor.Write(line);
 			}
 		}
@@ -286,7 +288,12 @@ namespace ICSharpCode.Scripting
 			unreadLines.AddLine(line);					
 			FireLineReceivedEvent();
 			MoveCursorToEndOfLastTextEditorLine();
-			WriteTextIfFirstPromptHasBeenDisplayed(line + "\r\n");
+			
+			if (firstPromptDisplayed) {
+				WriteLine(line, ScriptingStyle.Out);
+			} else {
+				SaveLineToDisplayAfterFirstPromptDisplayed(line);
+			}
 		}
 		
 		protected virtual void FireLineReceivedEvent()
@@ -294,23 +301,10 @@ namespace ICSharpCode.Scripting
 			OnLineReceived();
 		}
 		
-		void WriteTextIfFirstPromptHasBeenDisplayed(string text)
+		void SaveLineToDisplayAfterFirstPromptDisplayed(string line)
 		{
-			if (firstPromptDisplayed) {
-				Write(text, ScriptingStyle.Out);
-			} else {
-				savedTextLines = GetLines(text);
-			}
-		}
-		
-		void WriteFirstLineIfFirstPromptHasBeenDisplayed(List<string> lines)
-		{
-			string firstLine = GetFirstLineOfText(lines);
-			if (firstPromptDisplayed) {
-				Write(firstLine, ScriptingStyle.Out);
-				lines.RemoveAt(0);
-			}
-			savedTextLines = lines;
+			string text = line + "\r\n";
+			textSent.AddText(text);
 		}
 		
 		public virtual IList<string> GetMemberNames(string name)
@@ -325,34 +319,21 @@ namespace ICSharpCode.Scripting
 		
 		public void SendText(string text)
 		{
+			textSent.AddText(text);
 			MoveCursorToEndOfLastTextEditorLine();
-			WriteFirstLineOfTextIfFirstPromptHasBeenDisplayed(text);
-		}
-		
-		void WriteFirstLineOfTextIfFirstPromptHasBeenDisplayed(string text)
-		{
-			List<string> lines = GetLines(text);
-			if (lines.Count > 1) {
-				unreadLines.AddAllLinesExceptLast(lines);
-				FireLineReceivedEvent();
+			SaveUnreadLinesOfSentText();
+			
+			if (firstPromptDisplayed) {
+				WriteFirstLineOfSentText();
 			}
-			WriteFirstLineIfFirstPromptHasBeenDisplayed(lines);
 		}
 		
-		List<string> GetLines(string text)
+		void SaveUnreadLinesOfSentText()
 		{
-			text = text.Replace("\r\n", "\n");
-			string[] lines = text.Split('\n');
-			return new List<string>(lines);
-		}
-		
-		string GetFirstLineOfText(List<string> lines)
-		{
-			if (lines.Count > 1) {
-				string firstLine = lines[0] + "\r\n";
-				return firstLine;
+			if (textSent.HasAtLeastOneLine) {
+				unreadLines.AddAllLinesExceptLast(textSent.lines);
+				FireLineReceivedEvent();
 			}
-			return lines[0];
 		}
 		
 		public string ReadFirstUnreadLine()

src/AddIns/BackendBindings/Scripting/Project/Src/TextSentToScriptingConsole.cs

@@ -0,0 +1,71 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Collections.Generic;
+
+namespace ICSharpCode.Scripting
+{
+	public class TextSentToScriptingConsole
+	{
+		public List<string> lines = new List<string>();
+		
+		public TextSentToScriptingConsole()
+		{
+		}
+		
+		public void AddText(string text)
+		{
+			GetLines(text);
+		}
+		
+		public void AddLines(IList<string> linesToAdd)
+		{
+			lines.AddRange(linesToAdd);
+		}
+		
+		void GetLines(string text)
+		{
+			string[] linesToAdd = ConvertTextToLines(text);
+			lines.AddRange(linesToAdd);
+		}
+		
+		string[] ConvertTextToLines(string text)
+		{
+			text = text.Replace("\r\n", "\n");
+			return text.Split('\n');
+		}
+		
+		public bool HasLine {
+			get { return lines.Count > 0; }
+		}
+		
+		public bool HasAtLeastOneLine {
+			get { return lines.Count > 1; }
+		}
+		
+		/// <summary>
+		/// Returns line with '\r\n' if not the last line of text.
+		/// </summary>
+		public string RemoveFirstLine()
+		{
+			string line = GetFirstLine();
+			if (line != null) {
+				lines.RemoveAt(0);
+			}
+			return line;
+		}
+		
+		public string GetFirstLine()
+		{
+			if (HasLine) {
+				if (lines.Count > 1) {
+					string firstLine = lines[0] + "\r\n";
+					return firstLine;
+				}
+				return lines[0];
+			}
+			return null;
+		}
+	}
+}