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Remove as_ptr from IoData

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We don't need this. Also improve IoChain::remove().
This commit is contained in:
Peter Ammon 2024-12-27 14:22:31 -08:00
parent f6d76d2057
commit 4b9767ce83
No known key found for this signature in database
1 changed files with 10 additions and 23 deletions
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33
src/io.rs
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@ -178,8 +178,8 @@ pub trait IoData: Send + Sync {
/// That is, we call dup2(source_fd, fd).
fn source_fd(&self) -> RawFd;
fn print(&self);
// The address of the object, for comparison.
fn as_ptr(&self) -> *const ();
// If this is an IoBufferfill, return a reference to it.
fn as_bufferfill(&self) -> Option<&IoBufferfill> {
None
}
@ -206,9 +206,6 @@ impl IoData for IoClose {
fn print(&self) {
eprintf!("close %d\n", self.fd)
}
fn as_ptr(&self) -> *const () {
(self as *const Self).cast()
}
}
pub struct IoFd {
@ -235,9 +232,6 @@ impl IoData for IoFd {
fn print(&self) {
eprintf!("FD map %d -> %d\n", self.source_fd, self.fd)
}
fn as_ptr(&self) -> *const () {
(self as *const Self).cast()
}
}
/// Represents a redirection to or from an opened file.
@ -267,9 +261,6 @@ impl IoData for IoFile {
fn print(&self) {
eprintf!("file %d -> %d\n", self.file.as_raw_fd(), self.fd)
}
fn as_ptr(&self) -> *const () {
(self as *const Self).cast()
}
}
/// Represents (one end) of a pipe.
@ -307,9 +298,6 @@ impl IoData for IoPipe {
self.fd
)
}
fn as_ptr(&self) -> *const () {
(self as *const Self).cast()
}
}
/// Represents filling an IoBuffer. Very similar to IoPipe.
@ -393,9 +381,6 @@ impl IoData for IoBufferfill {
self.fd()
)
}
fn as_ptr(&self) -> *const () {
(self as *const Self).cast()
}
fn as_bufferfill(&self) -> Option<&IoBufferfill> {
Some(self)
}
@ -512,12 +497,14 @@ impl IoChain {
Default::default()
}
pub fn remove(&mut self, element: &dyn IoData) {
let element = element as *const _;
let element = element as *const ();
self.0.retain(|e| {
let e = Arc::as_ptr(e) as *const ();
!std::ptr::eq(e, element)
});
// Discard vtable pointers when comparing.
let e1 = element as *const dyn IoData as *const ();
let idx = self
.0
.iter()
.position(|e2| Arc::as_ref(e2) as *const dyn IoData as *const () == e1)
.expect("Element not found");
self.0.remove(idx);
}
pub fn clear(&mut self) {
self.0.clear()