static void Main(string[] args)
{
string tokenString = "+ - 10 2 3";
List <string> tokenList = new List <string>(tokenString.Split(' '));
IExpression expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret()); // (10 - 2) + 3 = 11
tokenString = "- + 10 5 - 8 2";
tokenList = new List <string>(tokenString.Split(' '));
expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret()); // (10 + 5) - (8 - 2) = 9
tokenString = "- + 4 6 * 8 2";
tokenList = new List <string>(tokenString.Split(' '));
expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret()); // (4 + 6) - (8 * 2) = -6
tokenString = "- + 4 6 / 8 2";
tokenList = new List <string>(tokenString.Split(' '));
expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret()); // (4 + 6) - (8 / 2) = 6
Console.ReadKey();
}
public void TestInterpreter(string tokenString, int expectedResult)
{
var tokenList = new List <string>(tokenString.Split(' '));
var expression = new TokenReader().ReadToken(tokenList);
Assert.That(expression.Interpret(), Is.EqualTo(expectedResult));
}
public void Execute()
{
string token = "+ * 10 2 * 5 3";
List <string> tokenList = new List <string>(token.Split(' '));
IExpression expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret());
}
void Interpreter_Codeproject()
{
string text = "+ - 10 2 3";
IList <string> tokens = text.Split(' ').ToList();
IExpression expression = new TokenReader().ReadToken(tokens);
Console.WriteLine(
"Expression: {0}, Result: {1}",
text, expression.Interpret()
);
}
private static void Main(string[] args)
{
string tokenString = "+ - 10 2 3"; // Reverse Polish Notation
List <string> tokenList = new List <string>(tokenString.Split(' '));
IExpression expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret()); // (10 - 2) + 3 = 11
tokenString = "- + 10 5 - 8 2";
tokenList = new List <string>(tokenString.Split(' '));
expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret()); // (10 + 5) - (8 - 2) = 9
Console.ReadKey();
}
//LD_INTERPRETER_000
public static void RunInterpreterBehavioralPattern()
{
//LDINT001
string tokenString = "+ - 10 2 3";
/*tree representation
+
+ - 3
+ 10 2
*/
List <string> tokenList = new List <string>(tokenString.Split(' '));
IExpression expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret()); // (10 - 2) + 3 = 11
tokenString = "- + 10 5 - 8 2";
tokenList = new List <string>(tokenString.Split(' '));
expression = new TokenReader().ReadToken(tokenList);
Console.WriteLine(expression.Interpret()); // (10 + 5) - (8 - 2) = 9
}