96 lines
2.3 KiB
Rust
96 lines
2.3 KiB
Rust
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// Templates represented on the ASG
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//
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// Copyright (C) 2014-2023 Ryan Specialty, LLC.
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//
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// This file is part of TAME.
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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 3 of the License, or
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// (at your option) any later version.
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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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//! Templates on the ASG.
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use std::fmt::Display;
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use super::{
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Object, ObjectIndex, ObjectRel, ObjectRelFrom, ObjectRelTy, ObjectRelatable,
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};
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use crate::span::Span;
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/// Template.
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#[derive(Debug, PartialEq, Eq)]
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pub struct Tpl;
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impl Tpl {
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pub fn span(&self) -> Span {
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todo!("Tpl::span")
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}
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}
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impl Display for Tpl {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(f, "template")
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}
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}
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/// Subset of [`ObjectKind`]s that are valid targets for edges from
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/// [`Tpl`].
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///
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/// See [`ObjectRel`] for more information.
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#[derive(Debug, PartialEq, Eq)]
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pub enum TplRel {
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// TODO
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}
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impl ObjectRel<Tpl> for TplRel {
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fn narrow<OB: ObjectRelFrom<Tpl> + ObjectRelatable>(
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self,
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) -> Option<ObjectIndex<OB>> {
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None
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}
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/// Whether this is a cross edge to another tree.
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///
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/// An expression is inherently a tree,
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/// however it may contain references to other identifiers which
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/// represent their own trees.
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/// Any [`Ident`] reference is a cross edge.
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fn is_cross_edge(&self) -> bool {
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false
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}
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}
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impl ObjectRelatable for Tpl {
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type Rel = TplRel;
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fn rel_ty() -> ObjectRelTy {
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ObjectRelTy::Tpl
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}
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fn new_rel_dyn(
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ty: ObjectRelTy,
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_oi: ObjectIndex<Object>,
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) -> Option<TplRel> {
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match ty {
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ObjectRelTy::Root => None,
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ObjectRelTy::Pkg => None,
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ObjectRelTy::Ident => None,
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ObjectRelTy::Expr => None,
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ObjectRelTy::Tpl => None,
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}
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}
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}
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impl ObjectIndex<Tpl> {
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// TODO
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}
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