public void BoolExpTest()
{
var context = new Context();
var interpretator = new BoolInterpretator(context);
var expressionString = "true && false";
var result = interpretator.Run(expressionString);
Assert.AreEqual(false, result);
expressionString = "true && false || true";
result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
expressionString = "true && (false || true)";
result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
expressionString = "true && false || true && (!true || false)";
result = interpretator.Run(expressionString);
Assert.AreEqual(false, result);
expressionString = "true && (!false && (true || !false && true)) || false";
result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
}
public void BooleanHardoceTest()
{
var context = new Context();
var interpretator = new BoolInterpretator(context);
var expressionString = "5 >= 4 && 5*4 != 21 && (\"Apple\" == \"Apple\")";
var result = interpretator.Run(expressionString);
Assert.AreEqual(5 >= 4 && 5*4 != 21 && ("Apple" == "Apple"), result);
expressionString = "(5-3) == (12-10)";
result = interpretator.Run(expressionString);
Assert.AreEqual((5 - 3) == (12 - 10), result);
}
private void E()
{
if (expression.StartsWith("int[]"))
{
expression = expression.SkipWord("int[]");
N();
var intArrayInterpretator = new IntArrayInterpretator(context);
var expressionString = Regex.Match(expression, "^.+;").Value;
var valueVariable = intArrayInterpretator.Run(expression.Remove(expressionString.Length - 1, 1));
expression = expression.SkipWord(expressionString);
var variableName = (string) stack.Pop();
context.AddVariable(new VariableExp(variableName, valueVariable));
return;
}
if (expression.StartsWith("real[]"))
{
expression = expression.SkipWord("real[]");
N();
var realArrayInterpretator = new RealArrayInterpretator(context);
var expressionString = Regex.Match(expression, "^.+;").Value;
var valueVariable = realArrayInterpretator.Run(expression.Remove(expressionString.Length - 1, 1));
expression = expression.SkipWord(expressionString);
var variableName = (string)stack.Pop();
context.AddVariable(new VariableExp(variableName, valueVariable));
return;
}
if (expression.StartsWith("bool[]"))
{
expression = expression.SkipWord("bool[]");
N();
var boolArrayInterpretator = new BoolArrayInterpretator(context);
var expressionString = Regex.Match(expression, "^.+;").Value;
var valueVariable = boolArrayInterpretator.Run(expression.Remove(expressionString.Length - 1, 1));
expression = expression.SkipWord(expressionString);
var variableName = (string)stack.Pop();
context.AddVariable(new VariableExp(variableName, valueVariable));
return;
}
if (expression.StartsWith("string[]"))
{
expression = expression.SkipWord("string[]");
N();
var stringArrayInterpretator = new StringArrayInterpretator(context);
var expressionString = Regex.Match(expression, "^.+;").Value;
var valueVariable = stringArrayInterpretator.Run(expression.Remove(expressionString.Length - 1, 1));
expression = expression.SkipWord(expressionString);
var variableName = (string)stack.Pop();
context.AddVariable(new VariableExp(variableName, valueVariable));
return;
}
if (expression.StartsWith("int"))
{
expression = expression.SkipWord("int");
N();
var intInterpratator = new IntInterpretator(context);
var expressionString = Regex.Match(expression, "^.+;").Value;
var valueVariable = intInterpratator.Run(expressionString.Remove(expressionString.Length - 1, 1));
expression = expression.SkipWord(expressionString);
var variableName = (string)stack.Pop();
context.AddVariable(new VariableExp(variableName, valueVariable));
return;
}
if (expression.StartsWith("real"))
{
expression = expression.SkipWord("real");
N();
var realInterpretator = new RealInterpretator(context);
var expressionString = Regex.Match(expression, "^.+;").Value;
var valueVariable = realInterpretator.Run(expression.Remove(expressionString.Length - 1, 1));
expression = expression.SkipWord(expressionString);
var variableName = (string) stack.Pop();
context.AddVariable(new VariableExp(variableName, valueVariable));
return;
}
if (expression.StartsWith("bool"))
{
expression = expression.SkipWord("bool");
N();
var boolInterpretator = new BoolInterpretator(context);
var expressionString = Regex.Match(expression, "^.+").Value;
var valueVariable = boolInterpretator.Run(expression.Remove(expressionString.Length - 1, 1));
expression = expression.SkipWord(expressionString);
var variableName = (string) stack.Pop();
context.AddVariable(new VariableExp(variableName, valueVariable));
return;
}
if (expression.StartsWith("string"))
{
expression = expression.SkipWord("string");
N();
var stringInterpretator = new StringInterpretator(context);
var expressionString = Regex.Match(expression, "^.+").Value;
var valueVariable = stringInterpretator.Run(expression.Remove(expressionString.Length - 1, 1));
expression = expression.SkipWord(expressionString);
var variableName = (string) stack.Peek();
context.AddVariable(new VariableExp(variableName, valueVariable));
}
if (Regex.IsMatch(expression, PATTERN_VARIABLE_NAME))
{
N();
var variableName = (string)stack.Peek();
var variable = context.Lookup(variableName);
string expressionNewValue = null;
if (variable.Value is int)
{
var interpretatorInt = new IntInterpretator(context);
expressionNewValue = Regex.Match(expression, "^.+").Value.Replace(";", string.Empty);
variable.Value = interpretatorInt.Run(expressionNewValue);
}
else if (variable.Value is double)
{
var interpretatorReal = new RealInterpretator(context);
expressionNewValue = Regex.Match(expression, "^.+").Value.Replace(";", string.Empty);
variable.Value = interpretatorReal.Run(expressionNewValue);
}
else if (variable.Value is bool)
{
var interpretatorBool = new BoolInterpretator(context);
expressionNewValue = Regex.Match(expression, "^.+").Value.Replace(";", string.Empty);
variable.Value = interpretatorBool.Run(expressionNewValue);
}else if (variable.Value is string)
{
var interpretatorString = new StringInterpretator(context);
expressionNewValue = Regex.Match(expression, "^.+").Value.Replace(";", string.Empty);
variable.Value = interpretatorString.Run(expressionNewValue);
}
expression = expression.SkipWord(expressionNewValue);
}
}
public void StringBooleanTest()
{
var context = new Context();
var interpretator = new BoolInterpretator(context);
var expressionString = "\"Rainbow\" == \"Rainbow\"";
var result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
expressionString = "\"Rainbow\" != \"Rainbow\"";
result = interpretator.Run(expressionString);
Assert.AreEqual(false, result);
expressionString = "\"Rainbow\" != \"Rainbow\" || true";
result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
expressionString = "\"Rainbow\" == \"Dash\" && (\"Apple\" != \"Jack=\" || false)";
result = interpretator.Run(expressionString);
Assert.AreEqual(false, result);
}
public void IntBooleanTest()
{
var context = new Context();
var interpretator = new BoolInterpretator(context);
var expressionString = "5 == 4";
var result = interpretator.Run(expressionString);
Assert.AreEqual(false, result);
expressionString = "5.56 != 4";
result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
expressionString = "5.56 > 4";
result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
expressionString = "5.56 >= 5.56";
result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
expressionString = "5.56 <= 5.56";
result = interpretator.Run(expressionString);
Assert.AreEqual(true, result);
expressionString = "5.56 < 5.56";
result = interpretator.Run(expressionString);
Assert.AreEqual(false, result);
expressionString = "5.56 <= 5.56 && 5 >= 4 || 34.21 == 54.23";
result = interpretator.Run(expressionString);
Assert.AreEqual(5.56 <= 5.56 && 5 >= 4 || 34.21 == 54.23, result);
}