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Move VST3 pointer check macros to a module

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This commit is contained in:
Robbert van der Helm 2022-02-06 17:40:35 +01:00
parent 556bec7c0b
commit 427c7674b9
2 changed files with 35 additions and 17 deletions
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20
src/wrapper/vst3.rs
View file

@ -42,6 +42,9 @@ use vst3_sys::vst::{
use vst3_sys::VST3;
use widestring::U16CStr;
#[macro_use]
mod util;
use crate::buffer::Buffer;
use crate::context::{EventLoop, GuiContext, MainThreadExecutor, OsEventLoop, ProcessContext};
use crate::param::internals::ParamPtr;
@ -83,23 +86,6 @@ lazy_static! {
static ref BYPASS_PARAM_HASH: u32 = hash_param_id(BYPASS_PARAM_ID);
}
/// Early exit out of a VST3 function when one of the passed pointers is null
macro_rules! check_null_ptr {
($ptr:expr $(, $ptrs:expr)* $(, )?) => {
check_null_ptr_msg!("Null pointer passed to function", $ptr $(, $ptrs)*)
};
}
/// The same as [check_null_ptr!], but with a custom message.
macro_rules! check_null_ptr_msg {
($msg:expr, $ptr:expr $(, $ptrs:expr)* $(, )?) => {
if $ptr.is_null() $(|| $ptrs.is_null())* {
nih_debug_assert_failure!($msg);
return kInvalidArgument;
}
};
}
/// The actual wrapper bits. We need this as an `Arc<T>` so we can safely use our event loop API.
/// Since we can't combine that with VST3's interior reference counting this just has to be moved to
/// its own struct.

32
src/wrapper/vst3/util.rs Normal file
View file

@ -0,0 +1,32 @@
// nih-plug: plugins, but rewritten in Rust
// Copyright (C) 2022 Robbert van der Helm
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/// Early exit out of a VST3 function when one of the passed pointers is null
macro_rules! check_null_ptr {
($ptr:expr $(, $ptrs:expr)* $(, )?) => {
check_null_ptr_msg!("Null pointer passed to function", $ptr $(, $ptrs)*)
};
}
/// The same as [check_null_ptr!], but with a custom message.
macro_rules! check_null_ptr_msg {
($msg:expr, $ptr:expr $(, $ptrs:expr)* $(, )?) => {
if $ptr.is_null() $(|| $ptrs.is_null())* {
nih_debug_assert_failure!($msg);
return kInvalidArgument;
}
};
}