/// <summary>
/// Load a native interface
/// </summary>
/// <returns></returns>
public object?LoadNativeInterface(Type t)
{
if (!t.IsInterface)
{
throw new InvalidOperationException($"{t.Name} must be an interface");
}
if (LibraryLoader == null)
{
throw new InvalidOperationException("A native library is not already loaded");
}
var ilGenerator = new CalliILGenerator();
var interfaceGenerator = new InterfaceGenerator(LibraryLoader, ilGenerator);
return(interfaceGenerator.GenerateImplementation(t));
}
/// <summary>
/// Load a native interface
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public T?LoadNativeInterface <T>() where T : class
{
if (!typeof(T).IsInterface)
{
throw new InvalidOperationException($"{typeof(T).Name} must be an interface");
}
if (LibraryLoader == null)
{
throw new InvalidOperationException("A native library is not already loaded");
}
var ilGenerator = new CalliILGenerator();
var interfaceGenerator = new InterfaceGenerator(LibraryLoader, ilGenerator);
return(interfaceGenerator.GenerateImplementation <T>());
}
public void TestCalliGenerationVoidVoid()
{
int callCount = 0;
Action vvct = () =>
{
callCount++;
};
var fp = Marshal.GetFunctionPointerForDelegate(vvct);
CalliILGenerator generator = new CalliILGenerator();
DynamicMethod method = new DynamicMethod("MyFunc", null, null);
generator.GenerateMethod(method.GetILGenerator(), null, null, fp);
method.Invoke(null, null);
Assert.Equal(1, callCount);
}
public void TestCalliGenerationVoidIntStar()
{
int callCount = 0;
int setVal = 5;
Take1IntStar vvct = (i) =>
{
callCount++;
*i = *i + 1;
};
var fp = Marshal.GetFunctionPointerForDelegate(vvct);
CalliILGenerator generator = new CalliILGenerator();
DynamicMethod method = new DynamicMethod("MyFunc", null, new Type[] { typeof(int *) });
generator.GenerateMethod(method.GetILGenerator(), null, new Type[] { typeof(int *) }, fp);
method.Invoke(null, new object[] { Pointer.Box(&setVal, typeof(int *)) });
Assert.Equal(1, callCount);
Assert.Equal(6, setVal);
}
public void TestCalliGenerationIntInt()
{
int callCount = 0;
int setVal = 0;
TakeReturn1Int vvct = (i) =>
{
callCount++;
setVal = i;
return(i + 1);
};
var fp = Marshal.GetFunctionPointerForDelegate(vvct);
CalliILGenerator generator = new CalliILGenerator();
DynamicMethod method = new DynamicMethod("MyFunc", typeof(int), new Type[] { typeof(int) });
generator.GenerateMethod(method.GetILGenerator(), method.ReturnType, new Type[] { typeof(int) }, fp);
var ret = method.Invoke(null, new object[] { 5 });
Assert.Equal(1, callCount);
Assert.Equal(5, setVal);
Assert.Equal(6, ret);
}
