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// Copyright (C) 2023-2024 Free Software Foundation, Inc.
//
// This file is part of the GNU Proc Macro Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library 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 General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
use bridge;
use std::fmt;
use Span;
/// An identifier.
#[derive(Clone)]
pub struct Ident(pub(crate) bridge::ident::Ident);
impl Ident {
/// Creates a new identifier.
///
/// # Arguments
///
/// * `string` - A valid identifier.
/// * `span` - The span of the identifier.
///
/// # Panics
///
/// The `string` argument must be a valid identifier permitted by the
/// language, otherwise the function will panic.
pub fn new(string: &str, span: Span) -> Self {
Ident(bridge::ident::Ident::new(string, span.0))
}
/// Creates a new raw identifier.
///
/// # Arguments
///
/// * `string` - A valid identifier.
/// * `span` - The span of the identifier.
///
/// # Panics
///
/// The `string` argument must be a valid identifier permitted by the
/// language. Furthermore, it should not be a keyword used in path
/// segments, otherwise this function will panic.
pub fn new_raw(string: &str, span: Span) -> Self {
Ident(bridge::ident::Ident::new_raw(string, span.0))
}
/// Return the span of the identifier
pub fn span(&self) -> Span {
Span(self.0.span())
}
/// Change the span of the identifier.
///
/// # Arguments
///
/// * `span` - The new span value.
pub fn set_span(&mut self, span: Span) {
self.0.set_span(span.0);
}
}
impl fmt::Display for Ident {
/// Display as lossless converted string.
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.0.fmt(f)
}
}
impl fmt::Debug for Ident {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.0.fmt(f)
}
}
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