public ConstructorBuilder CreateConstructor(TypeBuilder type, Type[] args, ExecBld body)
{
var cnstr = type.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, args);
body.Build(cnstr.GetILGenerator());
return(cnstr);
}
public void AddProperty(TypeBuilder type, PropertyInfo t, ExecBld get, ExecBld set, Type prototype)
{
var prop = type.DefineProperty(t.Name, PropertyAttributes.None, t.PropertyType, Type.EmptyTypes);
var propSettings = MethodAttributes.Virtual;
var getMeth = type.DefineMethod("get_" + t.Name, propSettings, t.PropertyType, Type.EmptyTypes);
get.Build(getMeth.GetILGenerator());
prop.SetGetMethod(getMeth);
type.DefineMethodOverride(getMeth, prototype.GetMethod(getMeth.Name));
var setMeth = type.DefineMethod("set_" + t.Name, propSettings, null, new[] { t.PropertyType });
set.Build(setMeth.GetILGenerator());
prop.SetSetMethod(setMeth);
type.DefineMethodOverride(setMeth, prototype.GetMethod(setMeth.Name));
}
public static ExecBld Cast(ExecBld src, Type tSrc, Type tDst)
{
if (!tSrc.IsSubclassOf(typeof(ValueType)) && tDst.IsSubclassOf(typeof(ValueType)))
{
return(new ExecBld(new ExecBldItem(OpCodes.Unbox_Any, tDst), src.m_items));
}
else if (!tSrc.IsSubclassOf(typeof(ValueType)) && !tDst.IsSubclassOf(typeof(ValueType)))
{
return(new ExecBld(new ExecBldItem(OpCodes.Castclass, tDst), src.m_items));
}
else if (tSrc.IsSubclassOf(typeof(ValueType)) && !tDst.IsSubclassOf(typeof(ValueType)))
{
return(new ExecBld(new ExecBldItem(OpCodes.Box, tSrc), src.m_items));
}
else
{
return(Cast(Cast(src, tSrc, typeof(object)), typeof(object), tDst));
}
}
public PropertyBuilder AddProperty(TypeBuilder type, string propertyName, Type propertyType)
{
var fieldName = "_" + propertyName;
var field = type.DefineField(fieldName, propertyType, FieldAttributes.Private);
var prop = type.DefineProperty(propertyName, PropertyAttributes.HasDefault, propertyType, null);
var propSettings = MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig;
var getMeth = type.DefineMethod("get_" + propertyName, propSettings, propertyType, Type.EmptyTypes);
var get = ExecBld.Return(ExecBld.GetFld(field, ExecBld.GetThis()));
get.Build(getMeth.GetILGenerator());
prop.SetGetMethod(getMeth);
var setMeth = type.DefineMethod("set_" + propertyName, propSettings, null, new Type[] { propertyType });
var set = ExecBld.Return(ExecBld.SetFld(field, ExecBld.GetThis(), ExecBld.GetArg(1)));
set.Build(setMeth.GetILGenerator());
prop.SetSetMethod(setMeth);
return(prop);
}
public void CreateMethod(TypeBuilder type, string name, Type returnType, Type[] argType, Type interf, ExecBld body)
{
var equelMeth = type.DefineMethod(name, MethodAttributes.Virtual, returnType, argType);
body.Build(equelMeth.GetILGenerator());
if (interf != null)
{
type.DefineMethodOverride(equelMeth, interf.GetMethod(name));
}
}
public static ExecBld SetProp(PropertyInfo prop, ExecBld src, ExecBld value)
{
return(new ExecBld(new ExecBldItem(OpCodes.Callvirt, prop.GetSetMethod(true)), src.m_items.Union(value.m_items)));
}
public static ExecBld GetProp(PropertyBuilder prop, ExecBld src)
{
return(new ExecBld(new ExecBldItem(OpCodes.Callvirt, prop.GetGetMethod(true)), src.m_items));
}
public static ExecBld SetFld(FieldBuilder field, ExecBld src, ExecBld value)
{
return(new ExecBld(new ExecBldItem(OpCodes.Stfld, field), src.m_items.Union(value.m_items)));
}
public static ExecBld GetFld(FieldBuilder field, ExecBld src)
{
return(new ExecBld(new ExecBldItem(OpCodes.Ldfld, field), src.m_items));
}
public static ExecBld Return(ExecBld src)
{
return(new ExecBld(new ExecBldItem(OpCodes.Ret), src.m_items));
}
public static ExecBld SetItem <T>(ExecBld src, ExecBld index, ExecBld value)
{
return(new ExecBld(new ExecBldItem(OpCodes.Stelem, typeof(T)), src.m_items.Union(index.m_items).Union(value.m_items)));
}
public static ExecBld GetItem <T>(ExecBld src, ExecBld index)
{
return(new ExecBld(new ExecBldItem(OpCodes.Ldelem, typeof(T)), src.m_items.Union(index.m_items)));
}
public static ExecBld SetLoc(int index, ExecBld value)
{
return(new ExecBld(new ExecBldItem(OpCodes.Stloc, index), value.m_items));
}
