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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196

use is_macro::Is;
use string_enum::StringEnum;
use swc_common::{ast_node, util::take::Take, EqIgnoreSpan, Span, DUMMY_SP};

use crate::{
    class::Class,
    expr::Expr,
    function::Function,
    ident::Ident,
    pat::Pat,
    typescript::{TsEnumDecl, TsInterfaceDecl, TsModuleDecl, TsTypeAliasDecl},
};

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
pub enum Decl {
    #[tag("ClassDeclaration")]
    Class(ClassDecl),
    #[tag("FunctionDeclaration")]
    #[is(name = "fn_decl")]
    Fn(FnDecl),
    #[tag("VariableDeclaration")]
    Var(Box<VarDecl>),
    #[tag("UsingDeclaration")]
    Using(Box<UsingDecl>),

    #[tag("TsInterfaceDeclaration")]
    TsInterface(Box<TsInterfaceDecl>),
    #[tag("TsTypeAliasDeclaration")]
    TsTypeAlias(Box<TsTypeAliasDecl>),
    #[tag("TsEnumDeclaration")]
    TsEnum(Box<TsEnumDecl>),
    #[tag("TsModuleDeclaration")]
    TsModule(Box<TsModuleDecl>),
}

bridge_decl_from!(Box<VarDecl>, VarDecl);
bridge_decl_from!(Box<UsingDecl>, UsingDecl);
bridge_decl_from!(Box<TsInterfaceDecl>, TsInterfaceDecl);
bridge_decl_from!(Box<TsTypeAliasDecl>, TsTypeAliasDecl);
bridge_decl_from!(Box<TsEnumDecl>, TsEnumDecl);
bridge_decl_from!(Box<TsModuleDecl>, TsModuleDecl);
bridge_stmt_from!(Decl, ClassDecl);
bridge_stmt_from!(Decl, FnDecl);

impl Take for Decl {
    fn dummy() -> Self {
        Decl::Var(Take::dummy())
    }
}

#[ast_node("FunctionDeclaration")]
#[derive(Eq, Hash, EqIgnoreSpan)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
pub struct FnDecl {
    #[cfg_attr(feature = "serde-impl", serde(rename = "identifier"))]
    pub ident: Ident,

    #[cfg_attr(feature = "serde-impl", serde(default))]
    pub declare: bool,

    #[cfg_attr(feature = "serde-impl", serde(flatten))]
    #[span]
    pub function: Box<Function>,
}

impl Take for FnDecl {
    fn dummy() -> Self {
        FnDecl {
            ident: Take::dummy(),
            declare: Default::default(),
            function: Take::dummy(),
        }
    }
}

#[ast_node("ClassDeclaration")]
#[derive(Eq, Hash, EqIgnoreSpan)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
pub struct ClassDecl {
    #[cfg_attr(feature = "serde-impl", serde(rename = "identifier"))]
    pub ident: Ident,

    #[cfg_attr(feature = "serde-impl", serde(default))]
    pub declare: bool,

    #[cfg_attr(feature = "serde-impl", serde(flatten))]
    #[span]
    pub class: Box<Class>,
}

impl Take for ClassDecl {
    fn dummy() -> Self {
        ClassDecl {
            ident: Take::dummy(),
            declare: Default::default(),
            class: Take::dummy(),
        }
    }
}

#[ast_node("VariableDeclaration")]
#[derive(Eq, Hash, EqIgnoreSpan)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
pub struct VarDecl {
    pub span: Span,

    pub kind: VarDeclKind,

    #[cfg_attr(feature = "serde-impl", serde(default))]
    pub declare: bool,

    #[cfg_attr(feature = "serde-impl", serde(rename = "declarations"))]
    pub decls: Vec<VarDeclarator>,
}

impl Take for VarDecl {
    fn dummy() -> Self {
        VarDecl {
            span: DUMMY_SP,
            kind: VarDeclKind::Var,
            declare: Default::default(),
            decls: Take::dummy(),
        }
    }
}

#[derive(StringEnum, Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Hash, EqIgnoreSpan)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
#[cfg_attr(
    any(feature = "rkyv-impl"),
    derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize)
)]
#[cfg_attr(feature = "rkyv-impl", archive(check_bytes))]
#[cfg_attr(feature = "rkyv-impl", archive_attr(repr(u32)))]
pub enum VarDeclKind {
    /// `var`
    Var,
    /// `let`
    Let,
    /// `const`
    Const,
}

#[ast_node("VariableDeclarator")]
#[derive(Eq, Hash, EqIgnoreSpan)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
pub struct VarDeclarator {
    pub span: Span,
    #[cfg_attr(feature = "serde-impl", serde(rename = "id"))]
    pub name: Pat,

    /// Initialization expression.
    #[cfg_attr(feature = "serde-impl", serde(default))]
    pub init: Option<Box<Expr>>,

    /// Typescript only
    #[cfg_attr(feature = "serde-impl", serde(default))]
    pub definite: bool,
}

impl Take for VarDeclarator {
    fn dummy() -> Self {
        VarDeclarator {
            span: DUMMY_SP,
            name: Take::dummy(),
            init: Take::dummy(),
            definite: Default::default(),
        }
    }
}

#[ast_node("UsingDeclaration")]
#[derive(Eq, Hash, EqIgnoreSpan)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
pub struct UsingDecl {
    #[cfg_attr(feature = "serde-impl", serde(default))]
    pub span: Span,

    #[cfg_attr(feature = "serde-impl", serde(default))]
    pub is_await: bool,

    #[cfg_attr(feature = "serde-impl", serde(default))]
    pub decls: Vec<VarDeclarator>,
}

impl Take for UsingDecl {
    fn dummy() -> Self {
        Self {
            span: DUMMY_SP,
            is_await: Default::default(),
            decls: Take::dummy(),
        }
    }
}