1 files changed, 0 insertions, 143 deletions
diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs
deleted file mode 100644
index d82669d3e..000000000
--- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs
+++ /dev/null
@@ -1,143 +0,0 @@
-//! Buffer management for same-process client<->server communication.
-
-use std::io::{self, Write};
-use std::mem;
-use std::ops::{Deref, DerefMut};
-use std::slice;
-
-#[repr(C)]
-pub struct Buffer<T: Copy> {
-    data: *mut T,
-    len: usize,
-    capacity: usize,
-    reserve: extern "C" fn(Buffer<T>, usize) -> Buffer<T>,
-    drop: extern "C" fn(Buffer<T>),
-}
-
-unsafe impl<T: Copy + Sync> Sync for Buffer<T> {}
-unsafe impl<T: Copy + Send> Send for Buffer<T> {}
-
-impl<T: Copy> Default for Buffer<T> {
-    fn default() -> Self {
-        Self::from(vec![])
-    }
-}
-
-impl<T: Copy> Deref for Buffer<T> {
-    type Target = [T];
-    fn deref(&self) -> &[T] {
-        unsafe { slice::from_raw_parts(self.data as *const T, self.len) }
-    }
-}
-
-impl<T: Copy> DerefMut for Buffer<T> {
-    fn deref_mut(&mut self) -> &mut [T] {
-        unsafe { slice::from_raw_parts_mut(self.data, self.len) }
-    }
-}
-
-impl<T: Copy> Buffer<T> {
-    pub(super) fn new() -> Self {
-        Self::default()
-    }
-
-    pub(super) fn clear(&mut self) {
-        self.len = 0;
-    }
-
-    pub(super) fn take(&mut self) -> Self {
-        mem::take(self)
-    }
-
-    // We have the array method separate from extending from a slice. This is
-    // because in the case of small arrays, codegen can be more efficient
-    // (avoiding a memmove call). With extend_from_slice, LLVM at least
-    // currently is not able to make that optimization.
-    pub(super) fn extend_from_array<const N: usize>(&mut self, xs: &[T; N]) {
-        if xs.len() > (self.capacity - self.len) {
-            let b = self.take();
-            *self = (b.reserve)(b, xs.len());
-        }
-        unsafe {
-            xs.as_ptr().copy_to_nonoverlapping(self.data.add(self.len), xs.len());
-            self.len += xs.len();
-        }
-    }
-
-    pub(super) fn extend_from_slice(&mut self, xs: &[T]) {
-        if xs.len() > (self.capacity - self.len) {
-            let b = self.take();
-            *self = (b.reserve)(b, xs.len());
-        }
-        unsafe {
-            xs.as_ptr().copy_to_nonoverlapping(self.data.add(self.len), xs.len());
-            self.len += xs.len();
-        }
-    }
-
-    pub(super) fn push(&mut self, v: T) {
-        // The code here is taken from Vec::push, and we know that reserve()
-        // will panic if we're exceeding isize::MAX bytes and so there's no need
-        // to check for overflow.
-        if self.len == self.capacity {
-            let b = self.take();
-            *self = (b.reserve)(b, 1);
-        }
-        unsafe {
-            *self.data.add(self.len) = v;
-            self.len += 1;
-        }
-    }
-}
-
-impl Write for Buffer<u8> {
-    fn write(&mut self, xs: &[u8]) -> io::Result<usize> {
-        self.extend_from_slice(xs);
-        Ok(xs.len())
-    }
-
-    fn write_all(&mut self, xs: &[u8]) -> io::Result<()> {
-        self.extend_from_slice(xs);
-        Ok(())
-    }
-
-    fn flush(&mut self) -> io::Result<()> {
-        Ok(())
-    }
-}
-
-impl<T: Copy> Drop for Buffer<T> {
-    fn drop(&mut self) {
-        let b = self.take();
-        (b.drop)(b);
-    }
-}
-
-impl<T: Copy> From<Vec<T>> for Buffer<T> {
-    fn from(mut v: Vec<T>) -> Self {
-        let (data, len, capacity) = (v.as_mut_ptr(), v.len(), v.capacity());
-        mem::forget(v);
-
-        // This utility function is nested in here because it can *only*
-        // be safely called on `Buffer`s created by *this* `proc_macro`.
-        fn to_vec<T: Copy>(b: Buffer<T>) -> Vec<T> {
-            unsafe {
-                let Buffer { data, len, capacity, .. } = b;
-                mem::forget(b);
-                Vec::from_raw_parts(data, len, capacity)
-            }
-        }
-
-        extern "C" fn reserve<T: Copy>(b: Buffer<T>, additional: usize) -> Buffer<T> {
-            let mut v = to_vec(b);
-            v.reserve(additional);
-            Buffer::from(v)
-        }
-
-        extern "C" fn drop<T: Copy>(b: Buffer<T>) {
-            mem::drop(to_vec(b));
-        }
-
-        Buffer { data, len, capacity, reserve, drop }
-    }
-}