mirror of
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81 lines
2.6 KiB
Rust
81 lines
2.6 KiB
Rust
// Copyright (C) 2019-2022 Aleo Systems Inc.
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// This file is part of the Leo library.
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// The Leo library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// The Leo library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
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use crate::{ConditionalStatement, Node};
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use leo_span::Span;
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use super::*;
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use serde::{Deserialize, Serialize};
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use std::fmt;
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/// Program statement that defines some action (or expression) to be carried out.
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#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug)]
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pub enum Statement {
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Return(ReturnStatement),
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Definition(DefinitionStatement),
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Assign(Box<AssignStatement>),
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Conditional(ConditionalStatement),
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Iteration(Box<IterationStatement>),
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Console(ConsoleStatement),
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Expression(ExpressionStatement),
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Block(Block),
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}
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impl fmt::Display for Statement {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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Statement::Return(x) => x.fmt(f),
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Statement::Definition(x) => x.fmt(f),
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Statement::Assign(x) => x.fmt(f),
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Statement::Conditional(x) => x.fmt(f),
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Statement::Iteration(x) => x.fmt(f),
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Statement::Console(x) => x.fmt(f),
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Statement::Expression(x) => x.fmt(f),
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Statement::Block(x) => x.fmt(f),
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}
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}
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}
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impl Node for Statement {
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fn span(&self) -> &Span {
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use Statement::*;
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match &self {
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Return(n) => n.span(),
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Definition(n) => n.span(),
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Assign(n) => n.span(),
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Conditional(n) => n.span(),
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Iteration(n) => n.span(),
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Console(n) => n.span(),
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Expression(n) => n.span(),
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Block(n) => n.span(),
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}
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}
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fn set_span(&mut self, span: Span) {
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use Statement::*;
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match self {
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Return(n) => n.set_span(span),
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Definition(n) => n.set_span(span),
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Assign(n) => n.set_span(span),
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Conditional(n) => n.set_span(span),
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Iteration(n) => n.set_span(span),
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Console(n) => n.set_span(span),
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Expression(n) => n.set_span(span),
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Block(n) => n.set_span(span),
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}
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}
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}
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