litex/module_manager/
module_manager.rs

1use crate::prelude::*;
2use std::collections::HashMap;
3use std::rc::Rc;
4
5// Label for the kernel-injected builtin fragment in `ModuleManager` (not a Litex keyword).
6pub const BUILTIN_CODE_PATH: &str = "builtin_code";
7
8pub struct ImportedModuleEnvironment {
9    pub environment: Environment,
10    pub name_scope: HashMap<String, LineFile>,
11}
12
13pub struct ModuleManager {
14    pub run_file_paths: Vec<Rc<str>>,
15    pub module_name_and_path_map: HashMap<String, String>,
16    pub module_path_and_names_map: HashMap<String, Vec<String>>,
17    pub current_module_path: String,
18    pub current_module_name: String,
19    pub current_file_index: usize,
20    pub entry_path: String,
21    /// Same `Rc` as the user entry slot in `run_file_paths` when set (file path, `repl`, `-e`, ...).
22    pub display_entry_rc: Option<Rc<str>>,
23    pub imported_module_environments: HashMap<String, Box<ImportedModuleEnvironment>>,
24}
25
26impl ModuleManager {
27    pub fn new_empty_module_manager(initial_path: &str) -> Self {
28        ModuleManager {
29            run_file_paths: vec![Rc::from(initial_path)],
30            module_name_and_path_map: HashMap::new(),
31            module_path_and_names_map: HashMap::new(),
32            current_module_path: String::new(),
33            current_module_name: String::new(),
34            current_file_index: FILE_INDEX_FOR_BUILTIN,
35            entry_path: initial_path.to_string(),
36            display_entry_rc: None,
37            imported_module_environments: HashMap::new(),
38        }
39    }
40
41    pub fn current_file_path_rc(&self) -> Rc<str> {
42        self.run_file_paths[self.current_file_index].clone()
43    }
44}
litex/module_manager/module_manager.rs

litex/module_manager/
module_manager.rs
