public static DefinedClass CreateClassWithMethods(string name)
{
DefinedClass klass = new DefinedClass(name);
klass.SetMethod("dummy", new NativeMethod(DummyMethod));
klass.SetMethod("getSelf", new NativeMethod(SelfMethod));
klass.SetMethod("getValue", new NativeMethod(GetValueMethod));
return(klass);
}
public void Execute(IContext context)
{
BindingEnvironment env = new BindingEnvironment(context);
IList <IType> bases = null;
if (this.baseExpressions != null && this.baseExpressions.Count > 0)
{
bases = new List <IType>();
foreach (var expr in this.baseExpressions)
{
bases.Add((IType)expr.Evaluate(context));
}
}
DefinedClass klass = new DefinedClass(this.name, bases, context);
this.body.Execute(klass);
foreach (var name in env.GetNames())
{
var value = env.GetValue(name);
var deffunc = value as DefinedFunction;
if (deffunc != null)
{
klass.SetMethod(deffunc.Name, deffunc);
}
}
klass.SetValue("__doc__", this.doc);
context.SetValue(this.name, klass);
}
public void EvaluateMethodCall()
{
DefinedClass klass = new DefinedClass("Spam");
DefinedFunction function = new DefinedFunction("get", new Parameter[] { new Parameter("self", null, false), new Parameter("a", null, false) }, new ReturnCommand(new NameExpression("a")), null);
klass.SetMethod(function.Name, function);
DynamicObject foo = (DynamicObject)klass.Apply(this.machine.Environment, null, null);
this.machine.Environment.SetValue("foo", foo);
Assert.AreEqual(2, this.Evaluate("foo.get(2)"));
}
public void RedefineMethodAsObjectValue()
{
DefinedClass klass = new DefinedClass("Spam");
IFunction function = new NativeMethod(GetValueMethod);
klass.SetMethod("foo", function);
DynamicObject dynobj = new DynamicObject(klass);
dynobj.SetValue("foo", 1);
Assert.AreEqual(1, dynobj.GetValue("foo"));
}
public void InvokeMethodDefinedInClass()
{
DefinedClass klass = new DefinedClass("Spam");
IFunction function = new NativeMethod(DummyMethod);
klass.SetMethod("foo", function);
DynamicObject dynobj = new DynamicObject(klass);
var result = dynobj.Invoke("foo", null, null, null);
Assert.IsNull(result);
}
public void InvokeMethodThatReturnsSelf()
{
DefinedClass klass = new DefinedClass("Spam");
IFunction function = new NativeMethod(SelfMethod);
klass.SetMethod("foo", function);
DynamicObject dynobj = new DynamicObject(klass);
var result = dynobj.Invoke("foo", null, null, null);
Assert.IsNotNull(result);
Assert.AreEqual(dynobj, result);
}
public void GetMethodFromClass()
{
DefinedClass klass = new DefinedClass("Spam");
IFunction function = new NativeMethod(DummyMethod);
klass.SetMethod("foo", function);
DynamicObject dynobj = new DynamicObject(klass);
var result = dynobj.GetValue("foo");
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result, typeof(IFunction));
Assert.AreEqual(function, result);
}
public void SetGetMethod()
{
DefinedClass klass = new DefinedClass("Spam");
IFunction method = new NativeMethod(this.DummyMethod);
klass.SetMethod("foo", method);
var result = klass.GetMethod("foo");
Assert.IsNotNull(result);
Assert.AreEqual(method, result);
Assert.IsTrue(klass.HasMethod("foo"));
Assert.IsTrue(klass.HasValue("foo"));
}
public void InvokeGetValueMethod()
{
DefinedClass klass = new DefinedClass("Spam");
IFunction function = new NativeMethod(GetValueMethod);
klass.SetMethod("foo", function);
DynamicObject dynobj = new DynamicObject(klass);
dynobj.SetValue("one", 1);
var result = dynobj.Invoke("foo", null, new object[] { "one" }, null);
Assert.IsNotNull(result);
Assert.AreEqual(1, result);
}
public void ReplaceMethodWithAttribute()
{
DefinedClass klass = new DefinedClass("Spam");
IFunction method = new NativeMethod(this.DummyMethod);
klass.SetMethod("foo", method);
klass.SetValue("foo", 1);
var result = klass.GetMethod("foo");
Assert.IsNull(result);
Assert.IsFalse(klass.HasMethod("foo"));
Assert.AreEqual(1, klass.GetValue("foo"));
Assert.IsTrue(klass.HasValue("foo"));
}
public void RaiseWhenThereIsAValueInsteadOfAMethod()
{
DefinedClass klass = new DefinedClass("Spam");
IFunction function = new NativeMethod(GetValueMethod);
klass.SetMethod("foo", function);
DynamicObject dynobj = new DynamicObject(klass);
dynobj.SetValue("foo", 1);
try
{
dynobj.Invoke("foo", null, new object[] { "one" }, null);
Assert.Fail("Exception expected");
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(TypeError));
Assert.AreEqual("'int' object is not callable", ex.Message);
}
}
public void CreateInstanceWithConstructor()
{
DefinedClass klass = new DefinedClass("Spam");
ICommand body = new SetAttributeCommand(new NameExpression("self"), "name", new NameExpression("name"));
DefinedFunction constructor = new DefinedFunction("__init__", new Parameter[] { new Parameter("self", null, false), new Parameter("name", null, false) }, body, null);
klass.SetMethod(constructor.Name, constructor);
var result = klass.Apply(null, new object[] { "Adam" }, null);
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result, typeof(DynamicObject));
var dynobj = (DynamicObject)result;
Assert.AreEqual(klass, dynobj.Class);
Assert.IsTrue(dynobj.HasValue("name"));
var name = dynobj.GetValue("name");
Assert.IsNotNull(name);
Assert.AreEqual("Adam", name);
}