Macro aerosol::private_define_context

macro_rules! private_define_context {
    {
        $caller:tt
        input = [{
            $name:ident {
                $($body:tt)*
            }
        }]
    } => { ... };
    {
        $caller:tt
        name = [{ $name:ident }]
        $(auto_field = [{ $auto_field:ident, $auto_t:ty, $factory:ty }])*
        $(field = [{ $field:ident, $t:ty }])*
    } => { ... };
    {
        $caller:tt
        $(auto_field = [{ $($auto_field:tt)* }])*
        $(field = [{ $($field:tt)* }])*
        rest = [{ $field_name:ident: $t:ty [ $factory:ty ], $($rest:tt)* }]
    } => { ... };
    {
        $caller:tt
        $(auto_field = [{ $($auto_field:tt)* }])*
        $(field = [{ $($field:tt)* }])*
        rest = [{ $field_name:ident: $t:ty [ $factory:ty ] }]
    } => { ... };
    {
        $caller:tt
        $(auto_field = [{ $($auto_field:tt)* }])*
        $(field = [{ $($field:tt)* }])*
        rest = [{ $field_name:ident: $t:ty, $($rest:tt)* }]
    } => { ... };
    {
        $caller:tt
        $(auto_field = [{ $($auto_field:tt)* }])*
        $(field = [{ $($field:tt)* }])*
        rest = [{ $field_name:ident: $t:ty }]
    } => { ... };
    {
        $caller:tt
        $(auto_field = [{ $($auto_field:tt)* }])*
        $(field = [{ $($field:tt)* }])*
        rest = [{ }]
    } => { ... };
}