public override void Build(BuildContext context)
{
Context = context;
if (CheckOverrideAttribute())
{
return;
}
EmitHelper emit = Context.MethodBuilder.Emitter;
MethodInfo method = Context.MethodBuilder.OverriddenMethod;
ParameterInfo[] ps = method.GetParameters();
Type memberType;
FieldInfo field = Context.Type.GetField(_memberName);
if (field != null)
{
if (field.IsPrivate)
{
throw new TypeBuilderException(string.Format(
"Field '{0}.{1}' must be protected or public.",
Context.Type.Name, _memberName));
}
memberType = field.FieldType;
emit
.ldarg_0
.ldfld(field)
;
CheckNull(emit);
emit
.ldarg_0
.ldfld(field)
;
}
else
{
PropertyInfo prop = Context.Type.GetProperty(_memberName);
if (prop != null)
{
MethodInfo mi = prop.GetGetMethod(true);
if (mi == null)
{
throw new TypeBuilderException(string.Format(
"Property '{0}.{1}' getter not found.",
Context.Type.Name, _memberName));
}
memberType = prop.PropertyType;
if (mi.IsPrivate)
{
throw new TypeBuilderException(string.Format(
"Property '{0}.{1}' getter must be protected or public.",
Context.Type.Name, _memberName));
}
emit
.ldarg_0
.callvirt(mi)
;
CheckNull(emit);
emit
.ldarg_0
.callvirt(mi)
;
}
else
{
throw new TypeBuilderException(string.Format(
"Member '{0}.{1}' not found.",
Context.Type.Name, _memberName));
}
}
emit.CastIfNecessary(_targetInterface, memberType);
for (int i = 0; i < ps.Length; i++)
{
emit.ldarg(i + 1);
}
emit.callvirt(method);
if (Context.ReturnValue != null)
{
emit.stloc(Context.ReturnValue);
}
}