crisp-resolve 1.8.0

Name resolution, imports, sealed-crate lockfile (spec §12)
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128

use crisp_ast::Span;
use crisp_ast::item::Item;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Visibility {
    Private,
    Public,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum SymbolKind {
    Function,
    Type,
    Trait,
    Shape,
    Const,
    ExternFn,
    /// Item imported from a Rust crate via `use rust.<crate> { … }` (spec §14.2).
    RustFn,
    PreludeType,
    PreludeFn,
}

#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct SymbolKey {
    pub module: String,
    pub name: String,
}

#[derive(Debug, Clone)]
pub struct Symbol {
    pub key: SymbolKey,
    pub kind: SymbolKind,
    pub visibility: Visibility,
    pub span: Span,
    pub from_prelude: bool,
}

impl Symbol {
    pub fn is_exported(&self) -> bool {
        self.visibility == Visibility::Public || self.from_prelude
    }
}

pub fn collect_module_symbols(module_path: &str, items: &[Item]) -> Vec<Symbol> {
    let mut symbols = Vec::new();
    for item in items {
        match item {
            Item::Function(f) => symbols.push(Symbol {
                key: SymbolKey {
                    module: module_path.to_string(),
                    name: f.name.name.clone(),
                },
                kind: SymbolKind::Function,
                visibility: if f.is_pub {
                    Visibility::Public
                } else {
                    Visibility::Private
                },
                span: f.name.span,
                from_prelude: false,
            }),
            Item::TypeDef(t) => symbols.push(Symbol {
                key: SymbolKey {
                    module: module_path.to_string(),
                    name: t.name.name.clone(),
                },
                kind: SymbolKind::Type,
                visibility: if t.is_pub {
                    Visibility::Public
                } else {
                    Visibility::Private
                },
                span: t.name.span,
                from_prelude: false,
            }),
            Item::TraitDef(t) => symbols.push(Symbol {
                key: SymbolKey {
                    module: module_path.to_string(),
                    name: t.name.name.clone(),
                },
                kind: SymbolKind::Trait,
                visibility: Visibility::Public,
                span: t.name.span,
                from_prelude: false,
            }),
            Item::ShapeDef(s) => symbols.push(Symbol {
                key: SymbolKey {
                    module: module_path.to_string(),
                    name: s.name.name.clone(),
                },
                kind: SymbolKind::Shape,
                visibility: Visibility::Public,
                span: s.name.span,
                from_prelude: false,
            }),
            Item::Const(c) => symbols.push(Symbol {
                key: SymbolKey {
                    module: module_path.to_string(),
                    name: c.name.name.clone(),
                },
                kind: SymbolKind::Const,
                visibility: Visibility::Private,
                span: c.name.span,
                from_prelude: false,
            }),
            Item::Extern(e) => {
                if e.rust_crate.is_some() {
                    continue;
                }
                for f in &e.functions {
                    symbols.push(Symbol {
                        key: SymbolKey {
                            module: module_path.to_string(),
                            name: f.name.name.clone(),
                        },
                        kind: SymbolKind::ExternFn,
                        visibility: Visibility::Public,
                        span: f.name.span,
                        from_prelude: false,
                    });
                }
            }
            Item::Use(_) | Item::Impl(_) | Item::Test(_) | Item::TestCompileFail(_) => {}
        }
    }
    symbols
}