protected override void EmitRead(CompilerContext ctx, Local valueFrom)
{
bool flag;
SanityCheck(ctx.Model, this.property, base.Tail, out flag, ctx.NonPublic, ctx.AllowInternal(this.property));
if (this.ExpectedType.IsValueType && (valueFrom == null))
{
throw new InvalidOperationException("Attempt to mutate struct on the head of the stack; changes would be lost");
}
ctx.LoadAddress(valueFrom, this.ExpectedType);
if (flag && base.Tail.RequiresOldValue)
{
ctx.CopyValue();
}
if (base.Tail.RequiresOldValue)
{
ctx.LoadValue(this.property);
}
Type propertyType = this.property.PropertyType;
ctx.ReadNullCheckedTail(propertyType, base.Tail, null);
if (flag)
{
CodeLabel label = new CodeLabel();
CodeLabel label2 = new CodeLabel();
if (!propertyType.IsValueType)
{
ctx.CopyValue();
label = ctx.DefineLabel();
label2 = ctx.DefineLabel();
ctx.BranchIfFalse(label, true);
}
if (this.shadowSetter == null)
{
ctx.StoreValue(this.property);
}
else
{
ctx.EmitCall(this.shadowSetter);
}
if (!propertyType.IsValueType)
{
ctx.Branch(label2, true);
ctx.MarkLabel(label);
ctx.DiscardValue();
ctx.DiscardValue();
ctx.MarkLabel(label2);
}
}
else if (base.Tail.ReturnsValue)
{
ctx.DiscardValue();
}
}
protected override void EmitRead(CompilerContext ctx, Local valueFrom)
{
bool flag;
PropertyDecorator.SanityCheck(ctx.Model, this.property, this.Tail, out flag, ctx.NonPublic, ctx.AllowInternal(this.property));
if (this.ExpectedType.IsValueType && valueFrom == null)
{
throw new InvalidOperationException("Attempt to mutate struct on the head of the stack; changes would be lost");
}
using (Local localWithValue = ctx.GetLocalWithValue(this.ExpectedType, valueFrom))
{
if (this.Tail.RequiresOldValue)
{
ctx.LoadAddress(localWithValue, this.ExpectedType);
ctx.LoadValue(this.property);
}
Type propertyType = this.property.PropertyType;
ctx.ReadNullCheckedTail(propertyType, this.Tail, null);
if (flag)
{
using (Local local = new Local(ctx, this.property.PropertyType))
{
ctx.StoreValue(local);
CodeLabel codeLabel = new CodeLabel();
if (!propertyType.IsValueType)
{
codeLabel = ctx.DefineLabel();
ctx.LoadValue(local);
ctx.BranchIfFalse(codeLabel, true);
}
ctx.LoadAddress(localWithValue, this.ExpectedType);
ctx.LoadValue(local);
if (this.shadowSetter != null)
{
ctx.EmitCall(this.shadowSetter);
}
else
{
ctx.StoreValue(this.property);
}
if (!propertyType.IsValueType)
{
ctx.MarkLabel(codeLabel);
}
}
}
else if (this.Tail.ReturnsValue)
{
ctx.DiscardValue();
}
}
}