protected internal override Delegate CreateDelegate()
{
MemberInfo member = CallInfo.MemberInfo;
if (member == null)
{
member = LookupUtils.GetMember(CallInfo);
CallInfo.IsStatic = member.IsStatic();
}
bool handleInnerStruct = CallInfo.ShouldHandleInnerStruct;
if (handleInnerStruct)
{
Generator.ldarg_0 // load arg-0 (this)
.DeclareLocal(CallInfo.TargetType); // TargetType tmpStr
LoadInnerStructToLocal(0); // tmpStr = ((ValueTypeHolder)this)).Value
Generator.DeclareLocal(Constants.ObjectType); // object result;
}
else if (!CallInfo.IsStatic)
{
Generator.ldarg_0 // load arg-0 (this)
.castclass(CallInfo.TargetType); // (TargetType)this
}
if (member.MemberType == MemberTypes.Field)
{
var field = member as FieldInfo;
if (field.DeclaringType.IsEnum) // special enum handling as ldsfld does not support enums
{
Generator.ldc_i4((int)field.GetValue(field.DeclaringType))
.boxIfValueType(field.FieldType);
}
else
{
Generator.ldfld(field.IsStatic, field) // (this|tmpStr).field OR TargetType.field
.boxIfValueType(field.FieldType); // (object)<stack>
}
}
else
{
var prop = member as PropertyInfo;
MethodInfo getMethod = LookupUtils.GetPropertyGetMethod(prop, CallInfo);
Generator.call(getMethod.IsStatic || CallInfo.IsTargetTypeStruct, getMethod) // (this|tmpStr).prop OR TargetType.prop
.boxIfValueType(prop.PropertyType); // (object)<stack>
}
if (handleInnerStruct)
{
Generator.stloc_1.end(); // resultLocal = <stack>
StoreLocalToInnerStruct(0); // ((ValueTypeHolder)this)).Value = tmpStr
Generator.ldloc_1.end(); // push resultLocal
}
Generator.ret();
return(Method.CreateDelegate(typeof(MemberGetter)));
}
protected internal override Delegate CreateDelegate()
{
MemberInfo member = CallInfo.MemberInfo;
if (member == null)
{
member = LookupUtils.GetMember(CallInfo);
CallInfo.IsStatic = member.IsStatic();
}
bool handleInnerStruct = CallInfo.ShouldHandleInnerStruct;
if (CallInfo.IsStatic)
{
Generator.ldarg_1.end(); // load value-to-be-set
}
else
{
Generator.ldarg_0.end(); // load arg-0 (this)
if (handleInnerStruct)
{
Generator.DeclareLocal(CallInfo.TargetType); // TargetType tmpStr
LoadInnerStructToLocal(0); // tmpStr = ((ValueTypeHolder)this)).Value;
Generator.ldarg_1.end(); // load value-to-be-set;
}
else
{
Generator.castclass(CallInfo.TargetType) // (TargetType)this
.ldarg_1.end(); // load value-to-be-set;
}
}
Generator.CastFromObject(member.Type()); // unbox | cast value-to-be-set
if (member.MemberType == MemberTypes.Field)
{
var field = member as FieldInfo;
Generator.stfld(field.IsStatic, field); // (this|tmpStr).field = value-to-be-set;
}
else
{
var prop = member as PropertyInfo;
MethodInfo setMethod = LookupUtils.GetPropertySetMethod(prop, CallInfo);
Generator.call(setMethod.IsStatic || CallInfo.IsTargetTypeStruct, setMethod); // (this|tmpStr).set_Prop(value-to-be-set);
}
if (handleInnerStruct)
{
StoreLocalToInnerStruct(0); // ((ValueTypeHolder)this)).Value = tmpStr
}
Generator.ret();
return(Method.CreateDelegate(typeof(MemberSetter)));
}
