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
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
#![doc(html_root_url = "https://docs.rs/wasm-bindgen-shared/0.2")]

#[cfg(test)]
mod schema_hash_approval;

// This gets changed whenever our schema changes.
// At this time versions of wasm-bindgen and wasm-bindgen-cli are required to have the exact same
// SCHEMA_VERSION in order to work together.
pub const SCHEMA_VERSION: &str = "0.2.88";

#[macro_export]
macro_rules! shared_api {
    ($mac:ident) => {
        $mac! {
        struct Program<'a> {
            exports: Vec<Export<'a>>,
            enums: Vec<Enum<'a>>,
            imports: Vec<Import<'a>>,
            structs: Vec<Struct<'a>>,
            typescript_custom_sections: Vec<&'a str>,
            local_modules: Vec<LocalModule<'a>>,
            inline_js: Vec<&'a str>,
            unique_crate_identifier: &'a str,
            package_json: Option<&'a str>,
            linked_modules: Vec<LinkedModule<'a>>,
        }

        struct Import<'a> {
            module: Option<ImportModule<'a>>,
            js_namespace: Option<Vec<String>>,
            kind: ImportKind<'a>,
        }

        struct LinkedModule<'a> {
            module: ImportModule<'a>,
            link_function_name: &'a str,
        }

        enum ImportModule<'a> {
            Named(&'a str),
            RawNamed(&'a str),
            Inline(u32),
        }

        enum ImportKind<'a> {
            Function(ImportFunction<'a>),
            Static(ImportStatic<'a>),
            Type(ImportType<'a>),
            Enum(ImportEnum),
        }

        struct ImportFunction<'a> {
            shim: &'a str,
            catch: bool,
            variadic: bool,
            assert_no_shim: bool,
            method: Option<MethodData<'a>>,
            structural: bool,
            function: Function<'a>,
        }

        struct MethodData<'a> {
            class: &'a str,
            kind: MethodKind<'a>,
        }

        enum MethodKind<'a> {
            Constructor,
            Operation(Operation<'a>),
        }

        struct Operation<'a> {
            is_static: bool,
            kind: OperationKind<'a>,
        }

        enum OperationKind<'a> {
            Regular,
            Getter(&'a str),
            Setter(&'a str),
            IndexingGetter,
            IndexingSetter,
            IndexingDeleter,
        }

        struct ImportStatic<'a> {
            name: &'a str,
            shim: &'a str,
        }

        struct ImportType<'a> {
            name: &'a str,
            instanceof_shim: &'a str,
            vendor_prefixes: Vec<&'a str>,
        }

        struct ImportEnum {}

        struct Export<'a> {
            class: Option<&'a str>,
            comments: Vec<&'a str>,
            consumed: bool,
            function: Function<'a>,
            method_kind: MethodKind<'a>,
            start: bool,
        }

        struct Enum<'a> {
            name: &'a str,
            variants: Vec<EnumVariant<'a>>,
            comments: Vec<&'a str>,
            generate_typescript: bool,
        }

        struct EnumVariant<'a> {
            name: &'a str,
            value: u32,
            comments: Vec<&'a str>,
        }

        struct Function<'a> {
            arg_names: Vec<String>,
            asyncness: bool,
            name: &'a str,
            generate_typescript: bool,
            generate_jsdoc: bool,
            variadic: bool,
        }

        struct Struct<'a> {
            name: &'a str,
            fields: Vec<StructField<'a>>,
            comments: Vec<&'a str>,
            is_inspectable: bool,
            generate_typescript: bool,
        }

        struct StructField<'a> {
            name: &'a str,
            readonly: bool,
            comments: Vec<&'a str>,
            generate_typescript: bool,
            generate_jsdoc: bool,
        }

        struct LocalModule<'a> {
            identifier: &'a str,
            contents: &'a str,
        }
        }
    }; // end of mac case
} // end of mac definition

pub fn new_function(struct_name: &str) -> String {
    let mut name = "__wbg_".to_string();
    name.extend(struct_name.chars().flat_map(|s| s.to_lowercase()));
    name.push_str("_new");
    name
}

pub fn free_function(struct_name: &str) -> String {
    let mut name = "__wbg_".to_string();
    name.extend(struct_name.chars().flat_map(|s| s.to_lowercase()));
    name.push_str("_free");
    name
}

pub fn unwrap_function(struct_name: &str) -> String {
    let mut name = "__wbg_".to_string();
    name.extend(struct_name.chars().flat_map(|s| s.to_lowercase()));
    name.push_str("_unwrap");
    name
}

pub fn free_function_export_name(function_name: &str) -> String {
    function_name.to_string()
}

pub fn struct_function_export_name(struct_: &str, f: &str) -> String {
    let mut name = struct_
        .chars()
        .flat_map(|s| s.to_lowercase())
        .collect::<String>();
    name.push('_');
    name.push_str(f);
    name
}

pub fn struct_field_get(struct_: &str, f: &str) -> String {
    let mut name = String::from("__wbg_get_");
    name.extend(struct_.chars().flat_map(|s| s.to_lowercase()));
    name.push('_');
    name.push_str(f);
    name
}

pub fn struct_field_set(struct_: &str, f: &str) -> String {
    let mut name = String::from("__wbg_set_");
    name.extend(struct_.chars().flat_map(|s| s.to_lowercase()));
    name.push('_');
    name.push_str(f);
    name
}

pub fn version() -> String {
    let mut v = env!("CARGO_PKG_VERSION").to_string();
    if let Some(s) = option_env!("WBG_VERSION") {
        v.push_str(" (");
        v.push_str(s);
        v.push(')');
    }
    v
}