/// <summary>
/// Augments the hosting type constructor with the logic required to initialize the backing pointer field.
/// </summary>
/// <param name="entrypointName">The name of the entry point.</param>
/// <param name="backingFieldType">The type of the backing field.</param>
/// <param name="backingField">The backing pointer field.</param>
private void AugmentHostingTypeConstructorWithNativeInitialization
(
[NotNull] string entrypointName,
[NotNull] Type backingFieldType,
[NotNull] FieldInfo backingField
)
{
TargetTypeConstructorIL.EmitLoadArgument(0);
TargetTypeConstructorIL.EmitLoadArgument(0);
if (Options.HasFlagFast(UseLazyBinding))
{
var lambdaBuilder = GenerateSymbolLoadingLambda(entrypointName);
GenerateLazyLoadedObject(lambdaBuilder, backingFieldType);
}
else
{
var loadPointerMethod = typeof(NativeLibraryBase).GetMethod
(
nameof(NativeLibraryBase.LoadSymbol),
BindingFlags.NonPublic | BindingFlags.Instance
);
TargetTypeConstructorIL.EmitConstantString(entrypointName);
TargetTypeConstructorIL.EmitCallDirect(loadPointerMethod);
}
TargetTypeConstructorIL.EmitSetField(backingField);
}
private void AugmentHostingTypeConstructor
(
[NotNull] string symbolName,
[NotNull] FieldInfo propertyFieldBuilder
)
{
var loadSymbolMethod = typeof(NativeLibraryBase).GetMethod
(
nameof(NativeLibraryBase.LoadSymbol),
BindingFlags.NonPublic | BindingFlags.Instance
);
TargetTypeConstructorIL.EmitLoadArgument(0);
TargetTypeConstructorIL.EmitLoadArgument(0);
if (Options.HasFlagFast(UseLazyBinding))
{
var lambdaBuilder = GenerateSymbolLoadingLambda(symbolName);
GenerateLazyLoadedObject(lambdaBuilder, typeof(IntPtr));
}
else
{
TargetTypeConstructorIL.EmitConstantString(symbolName);
TargetTypeConstructorIL.EmitCallDirect(loadSymbolMethod);
}
TargetTypeConstructorIL.EmitSetField(propertyFieldBuilder);
}
