|
public static BoxIfNeeded ( this generator, |
||
| generator | this | |
| type | ||
| return | void | |
private void GenerateCreateGetFieldIL(FieldInfo fieldInfo, ILGenerator generator)
{
if (!fieldInfo.IsStatic)
{
ILGeneratorExtensions.PushInstance(generator, fieldInfo.DeclaringType);
}
generator.Emit(OpCodes.Ldfld, fieldInfo);
ILGeneratorExtensions.BoxIfNeeded(generator, fieldInfo.FieldType);
ILGeneratorExtensions.Return(generator);
}
private void GenerateCreateGetPropertyIL(PropertyInfo propertyInfo, ILGenerator generator)
{
MethodInfo getMethod = propertyInfo.GetGetMethod(true);
if (getMethod == null)
{
throw new ArgumentException(StringUtils.FormatWith("Property '{0}' does not have a getter.", (IFormatProvider)CultureInfo.InvariantCulture, (object)propertyInfo.Name));
}
if (!getMethod.IsStatic)
{
ILGeneratorExtensions.PushInstance(generator, propertyInfo.DeclaringType);
}
ILGeneratorExtensions.CallMethod(generator, getMethod);
ILGeneratorExtensions.BoxIfNeeded(generator, propertyInfo.PropertyType);
ILGeneratorExtensions.Return(generator);
}
private void GenerateCreateMethodCallIL(MethodBase method, ILGenerator generator)
{
ParameterInfo[] parameters = method.GetParameters();
Label label = generator.DefineLabel();
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Ldlen);
generator.Emit(OpCodes.Ldc_I4, parameters.Length);
generator.Emit(OpCodes.Beq, label);
generator.Emit(OpCodes.Newobj, typeof(TargetParameterCountException).GetConstructor(ReflectionUtils.EmptyTypes));
generator.Emit(OpCodes.Throw);
generator.MarkLabel(label);
if (!method.IsConstructor && !method.IsStatic)
{
ILGeneratorExtensions.PushInstance(generator, method.DeclaringType);
}
for (int index = 0; index < parameters.Length; ++index)
{
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Ldc_I4, index);
generator.Emit(OpCodes.Ldelem_Ref);
ILGeneratorExtensions.UnboxIfNeeded(generator, parameters[index].ParameterType);
}
if (method.IsConstructor)
{
generator.Emit(OpCodes.Newobj, (ConstructorInfo)method);
}
else if (method.IsFinal || !method.IsVirtual)
{
ILGeneratorExtensions.CallMethod(generator, (MethodInfo)method);
}
Type type = method.IsConstructor ? method.DeclaringType : ((MethodInfo)method).ReturnType;
if (type != typeof(void))
{
ILGeneratorExtensions.BoxIfNeeded(generator, type);
}
else
{
generator.Emit(OpCodes.Ldnull);
}
ILGeneratorExtensions.Return(generator);
}