public void Execute_LongArithmeticExpressionWithFunctioncalls_LargeDoubleNumber()
{
FLCompiler compiler = FLCompilerTests.BasicArithmeticTestCompiler();
FLRuntime runtime = TestRuntime();
double result = (double)compiler.Execute(LongArithmeticExpressionWithFunctionCalls, runtime);
Assert.AreEqual(LongArithmeticExpressionWithFunctionCallsResult, result);
}
public static FLRuntime TestRuntime()
{
FLRuntime runtime = new FLRuntime();
runtime.RegisterFunction("TIMESTWO", (t, a) =>
{
return(Convert.ToDouble(a[0]) * 2d);
});
return(runtime);
}
public void Execute_FunctionCallOnObject_ThisObjectIsReturnValue()
{
FLCompiler compiler = BasicArithmeticTestCompiler();
FLRuntime runtime = new FLRuntime();
object lastThis = null;
runtime.RegisterFunction("add", (t, x) =>
{
double total = t == null ? 0f : (double)t;
lastThis = t;
foreach (object obj in x)
{
total += Convert.ToSingle(obj);
}
return(total);
});
object result = compiler.Execute("add(4, 8)->add(5)", runtime);
Assert.AreEqual(12d, lastThis);
Assert.AreEqual(17d, result);
}
public void CallFunction_NonExistentFunctionCall_ExceptionThrown()
{
FLRuntime runtime = TestRuntime();
runtime.CallFunction("TIMESTHREE", null, 0.5d);
}
public void RegisterFunction_FunctionWithDuplicateName_ExceptionThrown()
{
FLRuntime runtime = TestRuntime();
runtime.RegisterFunction("TIMESTWO", (t, y) => { return(null); });
}
/// <summary>
/// Defines the entry point of the application.
/// </summary>
static void Main()
{
//This will run these with default settings.
FLCompilerSettings settings = new FLCompilerSettings();
settings.PushOperator("*");
settings.PushOperator("/", true);
settings.PushOperator("+");
settings.PushOperator("-", true);
settings.PushOperator(">=");
settings.PushOperator("<=", true);
settings.PushOperator(">", true);
settings.PushOperator("<", true);
settings.PushOperator("==");
settings.PushOperator("&&");
settings.PushOperator("||");
FLCompiler compiler = new FLCompiler(settings);
FLRuntime runtime = new FLRuntime();
//Register some functions into the runtime.
runtime.RegisterFunction("concat", (t, x) =>
{
return(String.Concat(x));
});
runtime.RegisterFunction("join", (t, x) =>
{
if (x.Length <= 1)
{
return(null);
}
return(String.Join(x[0].ToString(), x.Skip(1)));
});
runtime.RegisterFunction("repeat", (t, x) =>
{
if (x.Length != 2)
{
return(null);
}
string repeatedText = "";
int count = Convert.ToInt32(x[1]);
for (int i = 0; i < count; i++)
{
repeatedText += x[0];
}
return(repeatedText);
});
runtime.RegisterFunction("add", (t, x) =>
{
double total = t == null ? 0f : (double)t;
foreach (object obj in x)
{
total += Convert.ToSingle(obj);
}
return(total);
});
runtime.RegisterFunction("subtract", (t, x) =>
{
double total = t == null ? 0f : (double)t;
foreach (object obj in x)
{
total -= Convert.ToDouble(obj);
}
return(total);
});
runtime.RegisterFunction("floor", (t, x) =>
{
return(Math.Floor(Convert.ToDouble(x[0])));
});
runtime.RegisterFunction("rand", (t, x) =>
{
if (x.Length == 2)
{
return(r.Next(Convert.ToInt32(x[0]), Convert.ToInt32(x[1])));
}
if (x.Length == 0)
{
return(r.NextDouble());
}
return(null);
});
//Set the last read line to run the test script, assuming there is one.
string readLine = testScript;
Console.WriteLine("Type exit to quit.");
//Main loop.
do
{
try
{
if (!string.IsNullOrEmpty(readLine))
{
Console.WriteLine(compiler.Execute(readLine, runtime));
}
}
catch (Exception e)
{
Console.WriteLine("Exception Caught:");
Console.WriteLine(e.GetType().ToString() + ": " + e.Message);
}
Console.Write("> ");
}while ((readLine = Console.ReadLine()) != "exit");
}
