public bool InterpreteNextAST()
{
if (Input.IsEnd())
{
return(false);
}
try
{
switch (Input.Peek().ASTType)
{
// Valid cases...
case AST.Classification.Say:
InterpreteSay();
return(true);
case AST.Classification.Set:
InterpreteSet();
return(true);
case AST.Classification.Choice:
InterpreteChoice();
return(true);
case AST.Classification.Label:
InterpreteLabel();
return(true);
case AST.Classification.Jump:
InterpreteJump();
return(true);
case AST.Classification.Return:
InterpreteReturn();
return(true);
case AST.Classification.LineBreak:
break;
// Some invalid cases... Not a statement.
case AST.Classification.Identifier:
throw new InvalidStatementPassedException("An identifier cannot be used as a statement.");
case AST.Classification.String:
throw new InvalidStatementPassedException("A string cannot be used as a statement.");
case AST.Classification.Boolean:
throw new InvalidStatementPassedException("A boolean value cannot be used as a statement.");
case AST.Classification.Number:
throw new InvalidStatementPassedException("A number value cannot be used as a statement.");
case AST.Classification.Of:
throw new InvalidStatementPassedException("Of statements cannot be used alone. They must be used with Set statements.");
default:
throw new InvalidStatementPassedException($"Invalid statement AST {Input.Peek().ASTType} was passed. An element such as Number cannot be a statement.");
}
if (Input.Peek().ASTType != AST.Classification.LineBreak)
{
throw new InvalidStatementPassedException("Each statements must be separated by line break.");
}
Input.Read(); // Remove the line break AST
}
catch (Exception e)
{
OutputManager.Exception(e);
}
return(true);
}
public static void Main(string[] args)
{
bool RegisterFlag = false;
foreach (string arg in args)
{
if (RegisterFlag)
{
Output.RegisterObject(new object(), arg);
RegisterFlag = false;
continue;
}
switch (arg)
{
case "-v":
verbose = true;
break;
case "--token":
WhatShouldIDo = "token";
break;
case "--ast":
WhatShouldIDo = "ast";
break;
case "--interprete":
WhatShouldIDo = "interprete";
break;
case "--register":
RegisterFlag = true;
break;
default:
if (File.Exists(arg))
FilePath = arg;
else
Console.WriteLine("The given file was not found.");
break;
}
}
Console.WriteLine("DialogueShell - DialogueScript command line tester and parser");
Stream Source;
if (FilePath == null)
{
while (true)
{
Console.Write(">>> "); string Expression = Console.ReadLine();
Console.WriteLine("- - - - - - - - - - - - - - -");
if (Expression.ToLower() == "exit")
return;
try
{
using (Source = Expression.ToStream())
DoEverything(Source, Output);
}
catch (Exception e)
{
Output.Exception(e);
Console.WriteLine("Restarting DialogueShell... \n\n");
}
}
}
else
{
try
{
using (Source = new FileStream(FilePath, FileMode.Open))
DoEverything(Source, Output);
}
catch (Exception e)
{
Output.Exception(e);
Console.WriteLine("\nPress any key to close DialogueShell...");
Console.ReadKey();
}
}
}
