public static string PrintAst(this Yolol.Grammar.AST.Program program)
{
var b = new StringBuilder();
var v = new PrintAstVisitor(b);
v.Visit(program);
return(b.ToString());
}
static void Main(string[] args)
{
string code = @"
int test(float hallo)
{
for(int i = 0; i < 5; i = i + 9)
{
if(i == 3) continue;
}
return 5 + 9;
}
string test2()
{
return toString(test(4));
}";
Lexer lexer = new Lexer(code);
Parser parser = new Parser(lexer);
PrintAstVisitor visitor = new PrintAstVisitor();
try
{
foreach (Ast ast in parser.Parse())
{
visitor.Start(ast);
}
}
catch (InvalidSymbolException e)
{
Console.WriteLine($"Invalid symbol at position {e.Position}: {e.Message}");
Console.ReadKey();
return;
}
catch (InvalidSyntaxException e)
{
Console.WriteLine($"Syntax error at position {e.Position}: {e.Message}");
Console.ReadKey();
return;
}
Console.WriteLine(visitor.Value);
Console.ReadKey();
}
public Indenter(PrintAstVisitor parent)
{
_parent = parent;
}