clvm-derive 0.36.1

Derive macros for implementing CLVM traits.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

#![allow(clippy::option_option)]

mod apply_constants;
mod from_clvm;
mod helpers;
mod parser;
mod to_clvm;

use apply_constants::impl_apply_constants;
use from_clvm::from_clvm;
use proc_macro::TokenStream;

use proc_macro2::Span;
use syn::{DeriveInput, Ident, parse_macro_input};
use to_clvm::to_clvm;

const CRATE_NAME: &str = "clvm_traits";

fn crate_name(name: Option<Ident>) -> Ident {
    name.unwrap_or_else(|| Ident::new(CRATE_NAME, Span::call_site()))
}

#[proc_macro_derive(ToClvm, attributes(clvm))]
pub fn to_clvm_derive(input: TokenStream) -> TokenStream {
    let ast = parse_macro_input!(input as DeriveInput);
    to_clvm(ast).into()
}

#[proc_macro_derive(FromClvm, attributes(clvm))]
pub fn from_clvm_derive(input: TokenStream) -> TokenStream {
    let ast = parse_macro_input!(input as DeriveInput);
    from_clvm(ast).into()
}

#[proc_macro_attribute]
pub fn apply_constants(_attr: TokenStream, input: TokenStream) -> TokenStream {
    let ast = parse_macro_input!(input as DeriveInput);
    impl_apply_constants(ast).into()
}