public static void Main(String[] args)
{
Console.WriteLine("Welcome to Elf interactive!");
var ei = new ElfInteractive();
while(true)
{
Console.WriteLine();
var nextCmd = ReadTillDoubleSemic();
try
{
if (nextCmd.StartsWith("def "))
{
ei.Load(nextCmd);
}
else
{
var er = ei.Eval(nextCmd.Trim());
er.SideEffects.Accept();
Console.WriteLine(er);
}
}
catch(Exception e)
{
Console.WriteLine(e);
Console.WriteLine();
}
}
}
public void TestInteractiveAndChangeSets()
{
var ei = new ElfInteractive();
var eval2Plus2 = ei.Eval("2 + 2");
Assert.IsTrue(eval2Plus2.SideEffects.Empty);
Assert.AreEqual(4.0, eval2Plus2.Retval);
ei.Ctx.Add("x", 4);
var evalXPlus2 = ei.Eval("x * 10 + 2");
Assert.IsTrue(evalXPlus2.SideEffects.Empty);
Assert.AreEqual(42.0, evalXPlus2.Retval);
var evalXEq2 = ei.Eval("x = 2;");
Assert.IsFalse(evalXEq2.SideEffects.Empty);
Assert.IsTrue(evalXEq2.SideEffects.Admixture.IsNullOrEmpty());
Assert.AreEqual(1, evalXEq2.SideEffects.Changes.Count);
Assert.AreEqual(new ElfVoid(), evalXEq2.Retval);
var evalComplex = ei.Eval(@"y = 5; if (x >= 2) then ret y * x + 22; end");
Assert.IsFalse(evalComplex.SideEffects.Empty);
Assert.IsFalse(ei.Ctx.ContainsKey("y"));
Assert.IsTrue(evalComplex.SideEffects.Changes.IsNullOrEmpty());
Assert.AreEqual(1, evalComplex.SideEffects.Admixture.Count);
Assert.AreEqual(42.0, evalComplex.Retval);
evalComplex.SideEffects.Accept();
evalXEq2.SideEffects.Accept();
Assert.AreEqual(2.0, ei.Ctx["x"]);
Assert.AreEqual(5.0, ei.Ctx["y"]);
var evalFin = ei.Eval(@"y * x * x * x + 2");
Assert.IsTrue(evalFin.SideEffects.Empty);
Assert.AreEqual(42.0, evalFin.Retval);
}
public void TestEqualityOperators()
{
var ei = new ElfInteractive();
var n2eqn7 = (bool)ei.Eval("'[[number]]2' == '[[number]]7'").Retval;
var n2eqn2 = (bool)ei.Eval("'[[number]]2' == '[[number]]2'").Retval;
var n2eqc2 = (bool)ei.Eval("'[[number]]2' == '[[currency]]2'").Retval;
var c2eqc2 = (bool)ei.Eval("'[[currency]]2' == '[[currency]]2'").Retval;
Assert.IsFalse(n2eqn7);
Assert.IsTrue(n2eqn2);
Assert.IsTrue(n2eqc2);
Assert.IsTrue(c2eqc2);
}
public void MainSuccessScenario()
{
// the stuff below tests everything new introduced to Elf:
// * Deserialization from string with type tokens
// * Varargs invocations support
// * Mixed-in Esath data types
var ei = new ElfInteractive();
var res = ei.Eval("'[[currency]]2' ^ '[[percent]]200' * Срзнач('[[number]]5', '[[number]]7')");
Assert.IsTrue(res.Retval is double);
Assert.AreEqual(24, res.Retval);
}
public void TestPercentStuff()
{
var ei = new ElfInteractive();
var _100p5pct = (double)ei.Eval("'[[number]]100' + '[[percent]]5'").Retval;
var _5pctp100 = (double)ei.Eval("'[[percent]]5' + '[[number]]100'").Retval;
var _100m5pct = (double)ei.Eval("'[[number]]100' * '[[percent]]5'").Retval;
var _5pctm100 = (double)ei.Eval("'[[percent]]5' * '[[number]]100'").Retval;
var _5pctp10pct = (double)ei.Eval("'[[percent]]5' + '[[percent]]15'").Retval;
Assert.AreEqual(105, _100p5pct);
Assert.AreEqual(105, _5pctp100);
Assert.AreEqual(5, _100m5pct);
Assert.AreEqual(5, _5pctm100);
Assert.AreEqual(0.20, _5pctp10pct);
}
public void TestLibraryFx()
{
var ei = new ElfInteractive();
var _15round = (double)ei.Eval("Округл('[[number]]1.5')").Retval;
var _05round = (double)ei.Eval("Округл('[[number]]0.5')").Retval;
var _049round = (double)ei.Eval("Округл('[[number]]0.49')").Retval;
Assert.AreEqual(2, _15round);
Assert.AreEqual(1, _05round);
Assert.AreEqual(0, _049round);
var _todaytomorrow = (double)ei.Eval(
"ДнейМеждуДатами('[[datetime]]23.02.2008', '[[datetime]]24.02.2008')").Retval;
var _01012009to_01012010 = (double)ei.Eval(
"ДнейМеждуДатами('[[datetime]]01.01.2009', '[[datetime]]01.01.2010')").Retval;
Assert.AreEqual(1, _todaytomorrow);
Assert.AreEqual(365, _01012009to_01012010);
}
public static object Eval(this IBranch b, IVault repository)
{
try
{
AppDomain.CurrentDomain.Load("Esath.Data");
var ei = new ElfInteractive();
var stack = new List<Expression>();
var nodes = new Dictionary<String, IBranch>();
var expandedCode = ExpandRhs(b, repository, stack, nodes).RenderElfCode(null);
nodes.ForEach(kvp => ei.Ctx.Add(kvp.Key, kvp.Value));
return ei.Eval(expandedCode).Retval;
}
catch(BaseEvalException)
{
throw;
}
catch(ErroneousScriptRuntimeException esex)
{
if (esex.Type == ElfExceptionType.OperandsDontSuitMethod)
{
throw new ArgsDontSuitTheFunctionException(esex.Thread.RuntimeContext.PendingClrCall, esex);
}
else
{
throw new UnexpectedErrorException(esex);
}
}
catch(Exception ex)
{
if (ex.InnerException is FormatException)
{
throw new BadFormatOfSerializedStringException(ex);
}
else
{
throw new UnexpectedErrorException(ex);
}
}
}
public void TestPmt()
{
var ei = new ElfInteractive();
var _65_10757 = (double)ei.Eval("ПЛТ('[[percent]]6', '[[number]]10.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]0')").Retval;
var _61_42224 = (double)ei.Eval("ПЛТ('[[percent]]6', '[[number]]10.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]1')").Retval;
var _136_17748 = (double)ei.Eval("ПЛТ('[[percent]]6', '[[number]]5.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]0')").Retval;
var _24_34718 = (double)ei.Eval("ПЛТ('[[percent]]6', '[[number]]10.00', '[[currency]]100.00', '[[currency]]-500.00', '[[number]]0')").Retval;
var _70_00000 = (double)ei.Eval("ПЛТ('[[percent]]0', '[[number]]10.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]1')").Retval;
var _140_00000 = (double)ei.Eval("ПЛТ('[[percent]]0', '[[number]]5.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]0')").Retval;
var _40_00000 = (double)ei.Eval("ПЛТ('[[percent]]0', '[[number]]10.00', '[[currency]]100.00', '[[currency]]-500.00', '[[number]]0')").Retval;
Assert.AreEqual("65.10757", _65_10757.ToString("00.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("61.42224", _61_42224.ToString("00.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("136.17748", _136_17748.ToString("000.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("24.34718", _24_34718.ToString("00.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("70.00000", _70_00000.ToString("00.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("140.00000", _140_00000.ToString("000.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("40.00000", _40_00000.ToString("00.00000", CultureInfo.InvariantCulture));
}
public void TestArithmeticStuff()
{
var ei = new ElfInteractive();
var n2pn7mc9 = (double)ei.Eval("'[[number]]2' + '[[number]]7' * '[[currency]]9'").Retval;
Assert.AreEqual(n2pn7mc9, 65);
}
public void TestRoundings()
{
var ei = new ElfInteractive();
var _2_2 = (double)ei.Eval("Округл2('[[number]]2.15', '[[number]]1')").Retval;
var _2_1 = (double)ei.Eval("Округл2('[[number]]2.149', '[[number]]1')").Retval;
var _m1_48 = (double)ei.Eval("Округл2('[[number]]-1.475', '[[number]]2')").Retval;
var _20 = (double)ei.Eval("Округл2('[[number]]21.5', '[[number]]-1')").Retval;
var _4 = (double)ei.Eval("Округлвверх2('[[number]]3.2', '[[number]]0')").Retval;
var _77 = (double)ei.Eval("Округлвверх2('[[number]]76.9', '[[number]]0')").Retval;
var _3_142 = (double)ei.Eval("Округлвверх2('[[number]]3.14159', '[[number]]3')").Retval;
var _m3_2 = (double)ei.Eval("Округлвверх2('[[number]]-3.14159', '[[number]]1')").Retval;
var _31500 = (double)ei.Eval("Округлвверх2('[[number]]31415.92654', '[[number]]-2')").Retval;
var _3 = (double)ei.Eval("Округлвниз2('[[number]]3.2', '[[number]]0')").Retval;
var _76 = (double)ei.Eval("Округлвниз2('[[number]]76.9', '[[number]]0')").Retval;
var _3_141 = (double)ei.Eval("Округлвниз2('[[number]]3.14159', '[[number]]3')").Retval;
var _m3_1 = (double)ei.Eval("Округлвниз2('[[number]]-3.14159', '[[number]]1')").Retval;
var _31400 = (double)ei.Eval("Округлвниз2('[[number]]31415.92654', '[[number]]-2')").Retval;
Assert.AreEqual("2.2", _2_2.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("2.1", _2_1.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("-1.48", _m1_48.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("20", _20.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("4", _4.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("77", _77.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("3.142", _3_142.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("-3.2", _m3_2.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("31500", _31500.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("3", _3.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("76", _76.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("3.141", _3_141.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("-3.1", _m3_1.ToString(CultureInfo.InvariantCulture));
Assert.AreEqual("31400", _31400.ToString(CultureInfo.InvariantCulture));
}
private void AssertDontSuit(String elf)
{
try
{
var ei = new ElfInteractive();
ei.Eval(elf);
Assert.Fail();
}
catch (ErroneousScriptRuntimeException uere)
{
Assert.AreEqual(ElfExceptionType.OperandsDontSuitMethod, uere.Type);
}
}
public void TestPv()
{
var ei = new ElfInteractive();
var _1751_21480 = (double)ei.Eval("ПС('[[percent]]6', '[[number]]10.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]0')").Retval;
var _1839_53584 = (double)ei.Eval("ПС('[[percent]]6', '[[number]]10.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]1')").Retval;
var _1216_10184 = (double)ei.Eval("ПС('[[percent]]6', '[[number]]5.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]0')").Retval;
var _m456_81132 = (double)ei.Eval("ПС('[[percent]]6', '[[number]]10.00', '[[currency]]100.00', '[[currency]]-500.00', '[[number]]0')").Retval;
var _2500_00000 = (double)ei.Eval("ПС('[[percent]]0', '[[number]]10.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]1')").Retval;
var _1500_00000 = (double)ei.Eval("ПС('[[percent]]0', '[[number]]5.00', '[[currency]]-200.00', '[[currency]]-500.00', '[[number]]0')").Retval;
var _m500_00000 = (double)ei.Eval("ПС('[[percent]]0', '[[number]]10.00', '[[currency]]100.00', '[[currency]]-500.00', '[[number]]0')").Retval;
Assert.AreEqual("1751.21480", _1751_21480.ToString("0000.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("1839.53584", _1839_53584.ToString("0000.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("1216.10184", _1216_10184.ToString("0000.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("-456.81132", _m456_81132.ToString("000.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("2500.00000", _2500_00000.ToString("0000.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("1500.00000", _1500_00000.ToString("0000.00000", CultureInfo.InvariantCulture));
Assert.AreEqual("-500.00000", _m500_00000.ToString("000.00000", CultureInfo.InvariantCulture));
}
