public static void Main(string[] args)
{
Stream inputStream = Console.OpenStandardInput();
AntlrInputStream input = new AntlrInputStream(inputStream);
CalculatorLexer lexer = new CalculatorLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
CalculatorParser parser = new CalculatorParser(tokens);
}
public static void Main(string[] args)
{
Stream inputStream = Console.OpenStandardInput();
ANTLRInputStream input = new ANTLRInputStream(inputStream);
CalculatorLexer lexer = new CalculatorLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
CalculatorParser parser = new CalculatorParser(tokens);
var tree = parser.stat().Tree;
Console.WriteLine(tree.ToStringTree());
DumpTree(tree, "", " ");
}
private int EvaluateInput(string input)
{
CalculatorLexer lexer = new CalculatorLexer(new AntlrInputStream(input));
lexer.RemoveErrorListeners();
lexer.AddErrorListener(new ThrowingErrorListener <int>());
CalculatorParser parser = new CalculatorParser(new CommonTokenStream(lexer));
parser.RemoveErrorListeners();
parser.AddErrorListener(new ThrowingErrorListener <IToken>());
return(new CalculatorVisitor().Visit(parser.expression()));
}
static void Main(string[] args)
{
AntlrInputStream inputStream = new AntlrInputStream("2 + 2");
CalculatorLexer calcLexer = new CalculatorLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(calcLexer);
CalculatorParser calcParser = new CalculatorParser(commonTokenStream);
CalculatorParser.EquationContext equationContext = calcParser.equation();
CalculatorVisitor calcVisitor = new CalculatorVisitor();
calcVisitor.EnterEquation(equationContext);
calcVisitor.printResult();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("Calculadora (Ctrl+Z para salir):");
StreamReader inputStream = new StreamReader(Console.OpenStandardInput());
while (!inputStream.EndOfStream)
{
AntlrInputStream input = new AntlrInputStream(inputStream.ReadLine());
CalculatorLexer lexer = new CalculatorLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
CalculatorParser parser = new CalculatorParser(tokens);
IParseTree tree = parser.prog();
//Console.WriteLine(tree.ToStringTree(parser));
CalculatorVisitor visitor = new CalculatorVisitor();
Console.WriteLine(visitor.Visit(tree));
}
}
