jetcrab\bytecode\scope/
constants.rs

1use crate::vm::types::ConstantIndex;
2use std::collections::HashMap;
3
4pub trait ConstantManager {
5    fn add_constant(&mut self, value: String) -> ConstantIndex;
6    fn get_constants(&self) -> &Vec<String>;
7}
8
9pub trait ConstantCore {
10    fn constants(&self) -> &Vec<String>;
11    fn constant_map(&self) -> &HashMap<String, ConstantIndex>;
12    fn constants_mut(&mut self) -> &mut Vec<String>;
13    fn constant_map_mut(&mut self) -> &mut HashMap<String, ConstantIndex>;
14}
15
16impl<T> ConstantManager for T
17where
18    T: ConstantCore,
19{
20    fn add_constant(&mut self, value: String) -> ConstantIndex {
21        if let Some(&id) = self.constant_map().get(&value) {
22            id
23        } else {
24            let id = ConstantIndex::new(self.constants().len());
25            self.constants_mut().push(value.clone());
26            self.constant_map_mut().insert(value, id);
27            id
28        }
29    }
30
31    fn get_constants(&self) -> &Vec<String> {
32        self.constants()
33    }
34}
jetcrab\bytecode\scope/constants.rs

jetcrab\bytecode\scope/
constants.rs
