spade-common 0.16.0

Helper crate for https://spade-lang.org/
Documentation 
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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109

use serde::{Deserialize, Serialize};
use std::sync::atomic::AtomicU64;
use std::sync::atomic::Ordering::Relaxed;

macro_rules! def_id_tracker {
    ($name:ident) => {
        #[derive(Debug, Serialize, Deserialize)]
        pub struct $name {
            id: AtomicU64,
        }

        impl $name {
            pub fn new() -> Self {
                Self {
                    id: AtomicU64::new(0),
                }
            }

            pub fn new_at(id: u64) -> Self {
                Self {
                    id: AtomicU64::new(id),
                }
            }

            pub fn next(&self) -> u64 {
                self.id.fetch_add(1, Relaxed)
            }

            pub fn peek(&self) -> u64 {
                self.id.load(Relaxed)
            }

            /// Clone this ID tracker. After this is done, only one of the ID trackers may
            /// be used otherwise duplicate IDs will be generated. It is up to the caller of this
            /// method to make sure that no mutable references are handed out to one of the clonse
            pub fn make_clone(&self) -> Self {
                Self {
                    id: AtomicU64::new(self.id.load(Relaxed)),
                }
            }
        }
        impl Default for $name {
            fn default() -> Self {
                Self::new()
            }
        }
    };
}

macro_rules! def_typed_id_tracker {
    ($name:ident, $type_name:ident) => {
        #[derive(Debug, Serialize, Deserialize)]
        pub struct $name {
            id: AtomicU64,
        }

        impl $name {
            pub fn new() -> Self {
                Self {
                    id: AtomicU64::new(0),
                }
            }

            pub fn new_at(id: u64) -> Self {
                Self {
                    id: AtomicU64::new(id),
                }
            }

            pub fn next(&self) -> $type_name {
                let result = self.id.fetch_add(1, Relaxed);
                $type_name(result)
            }

            pub fn peek(&self) -> u64 {
                self.id.load(Relaxed)
            }

            /// Clone this ID tracker. After this is done, only one of the ID trackers may
            /// be used otherwise duplicate IDs will be generated. It is up to the caller of this
            /// method to make sure that no mutable references are handed out to one of the clonse
            pub fn make_clone(&self) -> Self {
                Self {
                    id: AtomicU64::new(self.id.load(Relaxed)),
                }
            }
        }
        impl Default for $name {
            fn default() -> Self {
                Self::new()
            }
        }
    };
}

pub struct NameIdInner(pub u64);

/// An ID of an expression-like thing. In practice something that has a type in the
/// type inferer.
#[derive(Eq, PartialEq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize, Debug)]
pub struct ExprID(pub u64);

#[derive(Eq, PartialEq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize, Debug)]
pub struct ImplID(pub u64);

def_typed_id_tracker!(ExprIdTracker, ExprID);
def_typed_id_tracker!(ImplIdTracker, ImplID);
def_id_tracker!(NameIdTracker);
def_id_tracker!(AAVarTracker);