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/*
* AquaVM Workflow Engine
*
* Copyright (C) 2024 Fluence DAO
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
pub trait ToErrorCode {
fn to_error_code(&self) -> i64;
}
#[macro_export]
macro_rules! generate_to_error_code {
($self: expr, $error_type:ident, $start_id: expr) => {
concat_idents::concat_idents!(error_start_id = $error_type, _, START_ID {
concat_idents::concat_idents!(error_discriminant = $error_type, Discriminants { {
#[allow(non_upper_case_globals)]
const error_start_id: i64 = $start_id;
let mut errors = error_discriminant::iter();
let actual_error_type = error_discriminant::from($self);
// unwrap is safe here because errors are guaranteed to contain all errors variants
let enum_variant_position = errors.position(|et| et == actual_error_type).unwrap() as i64;
error_start_id + enum_variant_position
}
})
})
}
}