1  // Copyright (C) 2019-2025 ADnet Contributors
 2  // This file is part of the ADL library.
 3  
 4  // The ADL library is free software: you can redistribute it and/or modify
 5  // it under the terms of the GNU General Public License as published by
 6  // the Free Software Foundation, either version 3 of the License, or
 7  // (at your option) any later version.
 8  
 9  // The ADL library is distributed in the hope that it will be useful,
10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  // GNU General Public License for more details.
13  
14  // You should have received a copy of the GNU General Public License
15  // along with the ADL library. If not, see <https://www.gnu.org/licenses/>.
16  
17  use crate::{Expression, Path, Type};
18  use adl_span::Symbol;
19  use itertools::Itertools as _;
20  use serde::{Deserialize, Serialize};
21  use std::fmt;
22  
23  /// A composite type of a identifier and external program name.
24  #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
25  pub struct CompositeType {
26      /// The path to the composite definition.
27      pub path: Path,
28      /// Expressions for the const arguments passed to the composite's const parameters.
29      pub const_arguments: Vec<Expression>,
30      /// The external program that this composite is defined in.
31      pub program: Option<Symbol>,
32  }
33  
34  impl fmt::Display for CompositeType {
35      fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
36          if let Some(program) = self.program.as_ref() {
37              write!(f, "{}.alpha/{}", program, self.path)?;
38          } else {
39              write!(f, "{}", self.path)?;
40          }
41  
42          if !self.const_arguments.is_empty() {
43              write!(f, "::[{}]", self.const_arguments.iter().format(", "))?;
44          }
45  
46          Ok(())
47      }
48  }
49  
50  impl From<CompositeType> for Type {
51      fn from(value: CompositeType) -> Self {
52          Type::Composite(value)
53      }
54  }