62 lines
1.6 KiB
Rust
62 lines
1.6 KiB
Rust
/* Serene --- Yet an other Lisp
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*
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* Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
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*
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* This program 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 2 of the License.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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use crate::ast::Node;
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use std::fmt;
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#[derive(Debug, Clone)]
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pub struct Symbol {
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pub name: String,
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/// This field holds the ns specifier part of the symbol. For example
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/// in case of `somens/somesym`, this field will hold `somens`.
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pub target_ns: Option<String>,
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}
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impl Symbol {
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pub fn new(name: String, target_ns: Option<String>) -> Symbol {
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Symbol { name, target_ns }
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}
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pub fn is_ns_qualified(&self) -> bool {
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!self.target_ns.is_none()
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}
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pub fn is_def(&self) -> bool {
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self.name == "def"
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}
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}
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impl PartialEq for Symbol {
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fn eq(&self, other: &Self) -> bool {
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self.name == other.name
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}
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}
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impl Eq for Symbol {}
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impl Node for Symbol {
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fn get_type_str(&self) -> &str {
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"Symbol"
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}
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}
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impl fmt::Display for Symbol {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{}", &self.name)
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}
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}
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