/// <summary>
/// Clears current line.
/// </summary>
private void ClearLine(bool fullClear = false, int fromRelativeX = 0)
{
if (fullClear)
{
ConsoleUI.ClearLine();
}
else if (settings.SingleLineMode)
{
ConsoleUI.ClearLine(settings.Prompt.Length + fromRelativeX);
}
else
{
Console.CursorLeft = 0;
DrawCurrentLineNumber();
ConsoleUI.ClearLine(CliEditorSettings.LineNumberWidth + fromRelativeX);
}
}
private static void EnterInteractiveMode()
{
Logger.Info(
"Axion code editor & interpreter mode.\n"
+ "Type 'exit' or 'quit' to exit mode, 'cls' to clear screen."
);
while (true)
{
// code editor header
string rawInput = ConsoleUI.Read("i>> ");
string input = rawInput.Trim().ToUpper();
switch (input)
{
case "":
// skip empty commands
ConsoleUI.ClearLine();
continue;
case "EXIT":
case "QUIT":
// exit from interpreter to main loop
Logger.Info("\nInteractive interpreter closed.");
return;
}
// TODO (UI) parse "help(module)" argument
// initialize editor
var editor = new ConsoleCodeEditor(
false,
true,
firstCodeLine: rawInput,
highlighter: new AxionSyntaxHighlighter()
);
string[] codeLines = editor.RunSession();
// interpret as source code and output result
Process(new SourceUnit(codeLines), SourceProcessingMode.Interpret);
}
}
public static void Init(string[] arguments)
{
if (!Directory.Exists(OutputDirectory))
{
Directory.CreateDirectory(OutputDirectory);
}
PrintIntro();
// main processing loop
while (true)
{
if (arguments.Length > 0)
{
cliParser
.ParseArguments <CommandLineArguments>(arguments)
.MapResult(
options => {
Verbose = options.Verbose;
if (options.Exit)
{
Environment.Exit(0);
}
if (options.ClearScreen)
{
Console.Clear();
PrintIntro();
return(0);
}
if (options.Version)
{
ConsoleUI.WriteLine(Version);
return(0);
}
if (options.Help)
{
ConsoleUI.WriteLine(CommandLineArguments.HelpText);
return(0);
}
if (options.Interactive)
{
EnterInteractiveMode();
return(0);
}
ProcessSources(options);
return(0);
},
errors => {
foreach (Error e in errors)
{
Logger.Error(e.ToString());
}
return(0);
}
);
}
// wait for next command
// TODO (UI) add console commands history (up-down)
string command = ConsoleUI.Read(">>> ");
while (command.Length == 0)
{
ConsoleUI.ClearLine();
command = ConsoleUI.Read(">>> ");
}
ConsoleUI.WriteLine();
arguments = Utilities.SplitLaunchArguments(command).ToArray();
}
// It is infinite loop, breaks only by 'exit' command.
// ReSharper disable once FunctionNeverReturns
}