1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58

use std::path::PathBuf;
use std::sync::RwLock;
use std::time::SystemTime;
use std::{collections::HashMap, sync::Arc};

use sway_error::error::CompileError;
use sway_error::warning::CompileWarning;

use crate::Programs;

pub type ModulePath = Arc<PathBuf>;

#[derive(Clone, Debug)]
pub struct ModuleCacheEntry {
    pub path: ModulePath,
    pub modified_time: Option<SystemTime>,
    pub hash: u64,
    pub dependencies: Vec<ModulePath>,
}

pub type ModuleCacheMap = HashMap<ModulePath, ModuleCacheEntry>;

#[derive(Clone, Debug)]
pub struct ProgramsCacheEntry {
    pub path: ModulePath,
    pub programs: Programs,
    pub handler_data: (Vec<CompileError>, Vec<CompileWarning>),
}

pub type ProgramsCacheMap = HashMap<ModulePath, ProgramsCacheEntry>;

#[derive(Debug, Default)]
pub struct QueryEngine {
    parse_module_cache: RwLock<ModuleCacheMap>,
    programs_cache: RwLock<ProgramsCacheMap>,
}

impl QueryEngine {
    pub fn get_parse_module_cache_entry(&self, path: &Arc<PathBuf>) -> Option<ModuleCacheEntry> {
        let cache = self.parse_module_cache.read().unwrap();
        cache.get(path).cloned()
    }

    pub fn insert_parse_module_cache_entry(&self, entry: ModuleCacheEntry) {
        let mut cache = self.parse_module_cache.write().unwrap();
        cache.insert(entry.path.clone(), entry);
    }

    pub fn get_programs_cache_entry(&self, path: &Arc<PathBuf>) -> Option<ProgramsCacheEntry> {
        let cache = self.programs_cache.read().unwrap();
        cache.get(path).cloned()
    }

    pub fn insert_programs_cache_entry(&self, entry: ProgramsCacheEntry) {
        let mut cache = self.programs_cache.write().unwrap();
        cache.insert(entry.path.clone(), entry);
    }
}