multiversx_sc_derive/
lib.rs

1// ensure we don't run out of macro stack
2#![recursion_limit = "1024"]
3
4#[macro_use]
5extern crate syn;
6
7#[macro_use]
8extern crate quote;
9
10mod contract_impl;
11mod format;
12mod generate;
13mod macro_contract;
14mod macro_module;
15mod macro_proxy;
16mod managed_vec_item_derive;
17mod model;
18mod parse;
19mod preprocessing;
20mod type_abi_derive;
21mod validate;
22
23#[proc_macro_attribute]
24pub fn contract(
25    args: proc_macro::TokenStream,
26    input: proc_macro::TokenStream,
27) -> proc_macro::TokenStream {
28    macro_contract::process_contract(args, input)
29}
30
31#[proc_macro_attribute]
32pub fn module(
33    args: proc_macro::TokenStream,
34    input: proc_macro::TokenStream,
35) -> proc_macro::TokenStream {
36    macro_module::process_module(args, input)
37}
38
39#[proc_macro_attribute]
40pub fn proxy(
41    args: proc_macro::TokenStream,
42    input: proc_macro::TokenStream,
43) -> proc_macro::TokenStream {
44    macro_proxy::process_proxy(args, input)
45}
46
47#[deprecated(
48    since = "0.54.4",
49    note = "Replace with attribute #[type_abi], which should be placed before all derives. More about this: https://docs.multiversx.com/developers/transactions/tx-migration/#replace-derivetypeabi-with-type_abi"
50)]
51#[proc_macro_derive(TypeAbi)]
52pub fn type_abi_derive(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
53    type_abi_derive::type_abi_derive(input).into()
54}
55
56#[proc_macro_attribute]
57pub fn type_abi(
58    args: proc_macro::TokenStream,
59    input: proc_macro::TokenStream,
60) -> proc_macro::TokenStream {
61    assert!(args.is_empty(), "#[type_abi] attribute takes no args");
62    type_abi_derive::type_abi_full(input).into()
63}
64
65#[proc_macro_derive(ManagedVecItem)]
66pub fn managed_vec_item_derive(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
67    let ast = syn::parse(input).unwrap();
68    managed_vec_item_derive::managed_vec_item_derive(&ast)
69}
70
71#[proc_macro]
72pub fn format_receiver_args(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
73    format::format_receiver_args_macro(input.into()).into()
74}
75
76#[proc_macro]
77pub fn semver_tuple(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
78    format::semver_tuple(input.into()).into()
79}
80
81#[proc_macro]
82pub fn const_managed_decimal(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
83    let input = parse_macro_input!(input as syn::LitStr);
84    let (raw_int, decimals) = format::extract_number_type(input);
85
86    let expanded = quote! {
87        multiversx_sc::types::ManagedDecimal::<<Self as ContractBase>::Api, multiversx_sc::types::ConstDecimals<#decimals>>::const_decimals_from_raw(multiversx_sc::types::BigUint::from(#raw_int))
88    };
89
90    proc_macro::TokenStream::from(expanded)
91}
92
93#[proc_macro]
94pub fn managed_decimal(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
95    let input = parse_macro_input!(input as syn::LitStr);
96    let (raw_int, decimals) = format::extract_number_data(input);
97
98    let expanded = quote! {
99        multiversx_sc::types::ManagedDecimal::<<Self as ContractBase>::Api, usize>::from_raw_units(multiversx_sc::types::BigUint::from(#raw_int), #decimals)
100    };
101
102    proc_macro::TokenStream::from(expanded)
103}
104
105#[proc_macro]
106pub fn debug_const_managed_decimal(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
107    let input = parse_macro_input!(input as syn::LitStr);
108    let (raw_int, decimals) = format::extract_number_type(input);
109
110    let expanded = quote! {
111        multiversx_sc::types::ManagedDecimal::<multiversx_sc_scenario::imports::StaticApi, multiversx_sc::types::ConstDecimals<#decimals>>::const_decimals_from_raw(multiversx_sc::types::BigUint::from(#raw_int))
112    };
113
114    proc_macro::TokenStream::from(expanded)
115}
116
117#[proc_macro]
118pub fn debug_managed_decimal(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
119    let input = parse_macro_input!(input as syn::LitStr);
120    let (raw_int, decimals) = format::extract_number_data(input);
121
122    let expanded = quote! {
123        multiversx_sc::types::ManagedDecimal::<multiversx_sc_scenario::imports::StaticApi, usize>::from_raw_units(multiversx_sc::types::BigUint::from(#raw_int), #decimals)
124    };
125
126    proc_macro::TokenStream::from(expanded)
127}