70 lines
1.9 KiB
Rust
70 lines
1.9 KiB
Rust
//! This module contains the [`Module`] type and associated types. Each compilation unit
|
|
//! (file) is represented by a module which is used to namespace "function" calls and
|
|
//! accesses to global variables.
|
|
//!
|
|
//! They have unique identifiers in the form of UUIDs.
|
|
|
|
use std::path::{Path, PathBuf};
|
|
|
|
use uuid::Uuid;
|
|
|
|
use crate::model::module_registry::ModuleRegistry;
|
|
|
|
/// The ID for a module. A tuple struct for type safety.
|
|
#[derive(Debug, Hash, PartialEq, Eq, Clone, Copy)]
|
|
pub struct ModuleId(Uuid);
|
|
|
|
impl ModuleId {
|
|
pub fn from_module(module: Module) -> Self {
|
|
module.id
|
|
}
|
|
|
|
/// Convenience method to get the [`Module`] from a [`ModuleId`].
|
|
pub fn to_module<'m>(&self, registry: &'m ModuleRegistry) -> Option<&'m Module> {
|
|
registry.get(self)
|
|
}
|
|
|
|
/// Convenience method to get the [`Module`] name from a [`ModuleId`].
|
|
pub fn to_module_name<'m>(self, registry: &'m ModuleRegistry) -> Option<&'m str> {
|
|
if let Some(module) = self.to_module(®istry) {
|
|
Some(module.name.as_str())
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
}
|
|
|
|
impl std::fmt::Display for ModuleId {
|
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
|
write!(f, "{}", self.0)
|
|
}
|
|
}
|
|
|
|
/// A single source file or compilation unit. Stores its own symbol table.
|
|
#[derive(Debug)]
|
|
pub struct Module {
|
|
/// The name of the module. This is typically the name of the file, less the `.dsa`
|
|
/// extension.
|
|
pub name: String,
|
|
/// The file path to the module. This is an absolute path.
|
|
pub path: PathBuf,
|
|
/// A unique ID for this module.
|
|
pub id: ModuleId,
|
|
}
|
|
|
|
impl std::hash::Hash for Module {
|
|
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
|
|
self.id.0.hash(state);
|
|
}
|
|
}
|
|
|
|
impl Module {
|
|
pub fn new<P: AsRef<Path>>(name: String, path: P) -> Self {
|
|
Self {
|
|
name,
|
|
path: path.as_ref().to_path_buf(),
|
|
id: ModuleId(Uuid::new_v4()),
|
|
}
|
|
}
|
|
}
|