darkfi/zkas/ast.rs
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/* This file is part of DarkFi (https://dark.fi)
*
* Copyright (C) 2020-2025 Dyne.org foundation
*
* 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, either version 3 of the
* License, or (at your option) any later version.
*
* 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/>.
*/
use super::{LitType, Opcode, VarType};
#[derive(Clone, Debug)]
pub struct Constant {
pub name: String,
pub typ: VarType,
pub line: usize,
pub column: usize,
}
#[derive(Clone, Debug)]
pub struct Witness {
pub name: String,
pub typ: VarType,
pub line: usize,
pub column: usize,
}
#[derive(Clone, Debug)]
pub struct Variable {
pub name: String,
pub typ: VarType,
pub line: usize,
pub column: usize,
}
#[derive(Clone, Debug)]
pub struct Literal {
pub name: String,
pub typ: LitType,
pub line: usize,
pub column: usize,
}
#[derive(Debug)]
pub enum Var {
Constant(Constant),
Witness(Witness),
Variable(Variable),
}
#[derive(Clone, Debug)]
pub enum Arg {
Var(Variable),
Lit(Literal),
Func(Statement),
}
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
#[repr(u8)]
pub enum StatementType {
Noop = 0x00,
Assign = 0x01,
Call = 0x02,
}
#[derive(Clone, Debug)]
pub struct Statement {
pub typ: StatementType,
pub opcode: Opcode,
pub lhs: Option<Variable>,
pub rhs: Vec<Arg>,
pub line: usize,
}
impl Default for Statement {
fn default() -> Self {
Self { typ: StatementType::Noop, opcode: Opcode::Noop, lhs: None, rhs: vec![], line: 0 }
}
}