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// Copyright 2020 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Newtypes for [indices](https://webassembly.github.io/exception-handling/core/binary/modules.html#indices).
use crate::builtins::WasmbinCountable;
use crate::io::Wasmbin;
use crate::visit::Visit;
macro_rules! newtype_id {
($name:ident) => {
#[derive(PartialEq, Eq, Clone, Copy, Wasmbin, WasmbinCountable, Hash, Visit)]
#[repr(transparent)]
pub struct $name {
pub index: u32,
}
impl From<u32> for $name {
fn from(index: u32) -> Self {
Self { index }
}
}
impl From<$name> for u32 {
fn from(id: $name) -> u32 {
id.index
}
}
impl std::fmt::Debug for $name {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(
f,
"{}#{}",
&stringify!($name)[..stringify!($name).len() - "Id".len()],
self.index
)
}
}
};
}
newtype_id!(DataId);
newtype_id!(ElemId);
newtype_id!(FuncId);
newtype_id!(GlobalId);
newtype_id!(LabelId);
newtype_id!(LocalId);
newtype_id!(MemId);
newtype_id!(TableId);
newtype_id!(TypeId);
#[cfg(feature = "exception-handling")]
newtype_id!(ExceptionId);