wac-parser 0.10.0

A library for parsing and encoding WebAssembly Composition (WAC) source files.
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

package test:comp;

/// Defining an interface
interface i {
    /// Type alias a
    type a = func();
    /// Record type
    record r {
        x: u32
    }
    /// Export func
    x: func();
    /// Export func of type a
    y: a;
}

/// Defining a second interface
interface i2 {
    /// Use type r from i
    use i.{r};

    /// Use type r from i as z
    use i.{r as z};
}

type c = func();
type f = c;

/// Defining a world
world w1 {
    /// Use type r from foo:bar/i
    use foo:bar/i.{r};

    /// Import a function
    import a: func();
    /// Import an interface
    import i;
    /// Import by name with type `c`
    import c: c;

    /// Export an inline interface
    export d: interface {
        x: func();
    };
    /// Export an interface
    export i2;
    /// Export by name with type `f`
    export f: f;
}

/// Defining a second world
world w2 {
    /// Include the first world
    include w1;

    /// Include a world by path
    include foo:bar/baz;

    /// Defining a resource

    resource res {
        constructor();
    }
}

type x = u32;

/// Defining a variant
variant v {
    a(x),
    b(string),
    c(u32),
    d,
}

/// Defining a record
record r {
    x: u32,
    y: string,
    z: v,
}

/// Defining flags
flags %flags {
    a,
    b,
    c,
}

/// Defining an enum
enum e {
    a,
    b,
    c,
}

/// Type aliases
type t = e;
type t2 = string;
type t3 = func(a: u32, b: r) -> u32;