gaufung

// ParserTest.cs
[TestFixture]
public class ParserTest
{
    //...
    [Test]
    public void TestParser()
    {
        var tests = new []
        {

gaufung

public class Parser
{
    //...
    public Expression Parse()
    {
        return this.ParseExpression(Precedence.LOWEST);
    }
    private Expression ParseExpression(Precedence precedence)
    {
        if(this.PrefixFns.ContainsKey(this._currentToken.Type))

gaufung

//Pecedence.cs
public enum Precedence
{
    LOWEST = 0,
    SUM = 1,
    PRODUCT = 2,
    PREFIX = 3,
    POWER = 4,
    GROUP = 5,
}

gaufung

public abstract class Expression
{
    public abstract string TokenLiteral();
}
//IntegerExpression.cs
public class IntegerExpression : Expression
{
    public Token Token { get; set; }
    public long Value { get; set; }
   //...

gaufung

// Lexer.cs
public class Lexer
{
    //...
    public Token NextToken()
    {
        //...
        char character = this.input[this.position];
        switch (character)
        {

gaufung

[Test]
public void TestLexerNextToken()
{
    string input = @"1 + 2 * (12 - 6) / 3 + 2 ^ 3
+ ((4+3) *   4)
/ 4
";

    var tests = new[]
    {

gaufung

//Token.cs
public class Token
{
    public TokenType Type { get; set; }
    public string Literal { get; set; }
}

gaufung

//Token.cs
public enum TokenType
{
    INT,
    PLUS,
    MINUS,
    MULTIPLY,
    DIVIDE,
    POWER,
    LPAREN,

gaufung

// program.cs
static void Main(string[] args)
{
    const string WELCOME = "Welcome to Calculator. Feel free to type any expression you want.";
    const string PROMPT = ">> ";
    Console.Out.Write(WELCOME + Environment.NewLine);
    while(true)
    {
        Console.Out.Write(PROMPT);
        try

gaufung

@gen.coroutine
def receive(self, exchange, routing_key, queue_name, handler, no_ack=False, prefetch_count=0):
        """
        receive message. creating a brand new channel to consume message. Before consuming, it have to declaring
        exchange and queue. And bind queue to particular exchange with routing key. if received properties is not
        none, it publishes result back to `reply_to` queue.
        :param exchange: exchange name
        :param routing_key: routing key (e.g. dog.*, *.big)
        :param queue_name: queue name
        :param handler: message handler,