zircon/system/utest/fidl-coding-tables/coding_tables.test.fidl

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library fidl.test.example.codingtables;

struct SomeStruct {
    bool foo;
    int32 bar;
};

xunion MyXUnion {
    bool foo;
    int32 bar;
};

table MyTable {
    1: bool foo;
    2: int32 bar;
    3: reserved;
    4: array<uint64>:42 baz;
    5: vector<uint64>:42 qux;
};

// fidlc will only expose coding tables for message types.
// However, we can obtain the coding tables for SomeStruct/MyXUnion etc. via the coding table
// for request message types, by defining dummy methods which take a single desired argument.
protocol Coding {
    SomeStruct(SomeStruct s);
    // Various trickery to avoid directly refering a xunion/table inline,
    // which is not supported in the C bindings.
    MyXUnion(MyXUnion? x);

    // Ensuring support for multiple uses of the same nullable type.
    MyXUnion2(MyXUnion? x);
    VectorOfMyTable(vector<MyTable> t);
    VectorOfMyXUnion(vector<MyXUnion> x);
};