private FieldBuilder getFieldBuilder(PropertyBuilding pBuilding)
{
//backing field
string _name = pBuilding.propertyBuilder.Name;
Type _type = pBuilding.propertyBuilder.PropertyType;
FieldBuilder _fBuilder = pBuilding.backFieldBuilder;
if (_fBuilder == null)
{
_fBuilder = _tBuilder.DefineField($"m_{_name}", _type, FieldAttributes.Private);
pBuilding.backFieldBuilder = _fBuilder;
}
return(_fBuilder);
}
public IGetOrSetAdded AddAutoGet()
{
PropertyBuilding _pBuild = _propBuilds.Last();
string _name = _pBuild.propertyBuilder.Name;
Type _type = _pBuild.propertyBuilder.PropertyType;
//backing field
FieldBuilder _fBuilder = getFieldBuilder(_pBuild);
//get method
MethodAttributes _propAttrs = GetGetSetAttrs(_name);
MethodBuilder _getBuilder = _tBuilder.DefineMethod($"get_{_name}", _propAttrs, CallingConventions.HasThis, _type, Type.EmptyTypes);
ILGenerator _getGen = _getBuilder.GetILGenerator();
_getGen.Emit(OpCodes.Ldarg_0);
_getGen.Emit(OpCodes.Ldfld, _fBuilder);
_getGen.Emit(OpCodes.Ret);
_pBuild.getBuilder = _getBuilder;
return(this);
}
public IGetOrSetAdded AddAutoSet()
{
PropertyBuilding _pBuild = _propBuilds.Last();
string _name = _pBuild.propertyBuilder.Name;
Type _type = _pBuild.propertyBuilder.PropertyType;
//backing field
FieldBuilder _fBuilder = getFieldBuilder(_pBuild);
//set method
MethodAttributes _propAttrs = GetGetSetAttrs(_name);
MethodBuilder _setBuilder = _tBuilder.DefineMethod($"set_{_name}", _propAttrs, null, new Type[] { _type });
ILGenerator _setGen = _setBuilder.GetILGenerator();
_setGen.Emit(OpCodes.Ldarg_0);
_setGen.Emit(OpCodes.Ldarg_1);
_setGen.Emit(OpCodes.Stfld, _fBuilder);
_setGen.Emit(OpCodes.Ret);
_pBuild.setBuilder = _setBuilder;
return(this);
}
public IGetOrSetAdded AddGet <T>(Expression <Func <T> > methBody)
{
//get last prop
PropertyBuilding _pBuild = _propBuilds.Last();
string _name = _pBuild.propertyBuilder.Name;
Type _type = _pBuild.propertyBuilder.PropertyType;
//static method, get body
MethodAttributes _statAttrs = MethodAttributes.Public | MethodAttributes.NewSlot | MethodAttributes.Final | MethodAttributes.Static;
MethodBuilder _statMethBuilder = _tBuilder.DefineMethod($"stat_get_{_name}", _statAttrs);
methBody.CompileToMethod(_statMethBuilder);
//get method
MethodAttributes _attrs = GetGetSetAttrs(_name);
MethodBuilder _getBuilder = _tBuilder.DefineMethod($"get_{_name}", _attrs, CallingConventions.HasThis, methBody.ReturnType, Type.EmptyTypes);
ILGenerator _mGen = _getBuilder.GetILGenerator();
_mGen.Emit(OpCodes.Call, _statMethBuilder);
_mGen.Emit(OpCodes.Ret);
_pBuild.getBuilder = _getBuilder;
return(this);
}