public void Run()
{
ASTVisualizer visualizer = SheInfo.Visualize ? new ASTVisualizer() : null;
using (var reader = new StreamReader(filePath))
{
Lexer l = new Lexer(reader);
SheParser sp = new SheParser();
NestedEnvironment env = new NestedEnvironment();
Natives.AppendNatives(env);
while (l.Peek(0) != Token.EOF)
{
ASTree ast = sp.Parse(l);
// Console.WriteLine(ast);
Console.WriteLine(ast.Eval(env));
if (SheInfo.Visualize)
{
visualizer.Push(ast);
}
}
}
if (SheInfo.Visualize)
{
visualizer.Visualize($"INTPRT_{SheInfo.StartTime:yyyy-MM-dd-HH-mm-ss}");
}
}
public void Start()
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine(startMessage);
ASTVisualizer visualizer = SheInfo.Visualize ? new ASTVisualizer() : null;
while (true)
{
WriteSystemMessage(prompt);
string input = ReadSource();
if (input == null)
{
break;
}
Lexer lexer = new Lexer(new StringReader(input));
/*while (lexer.Peek(0) != Token.EOF)
* {
* Console.WriteLine($"{lexer.Peek(0).GetType()}:{lexer.Read()}");
* }*/
SheParser parser = new SheParser();
ASTree ast = parser.Parse(lexer);
if (SheInfo.Visualize)
{
visualizer.Push(ast);
}
//Console.WriteLine(ast);
Console.WriteLine(ast.Eval(replEnvironment));
Console.WriteLine();
}
if (SheInfo.Visualize)
{
visualizer.Visualize($"REPL_{SheInfo.StartTime:yyyy-MM-dd-HH-mm-ss}");
}
}