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wiggle: borrow checker lives in own crate, and supports both mut/immut

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This commit is contained in:
Pat Hickey
2020-11-18 12:19:47 -08:00
parent bf971efa42
commit 78db3ff13b
9 changed files with 154 additions and 246 deletions
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10
crates/wiggle/test-helpers/src/lib.rs
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@@ -3,8 +3,7 @@ use std::cell::UnsafeCell;
use std::marker;
use wiggle::{BorrowHandle, GuestMemory, Region};
mod borrow;
use borrow::BorrowChecker;
use wiggle_borrow::BorrowChecker;
#[derive(Debug, Clone)]
pub struct MemAreas(Vec<MemArea>);
@@ -129,8 +128,11 @@ unsafe impl GuestMemory for HostMemory {
fn is_borrowed(&self, r: Region) -> bool {
self.bc.is_borrowed(r)
}
fn borrow(&self, r: Region) -> Result<BorrowHandle, GuestError> {
self.bc.borrow(r)
fn mut_borrow(&self, r: Region) -> Result<BorrowHandle, GuestError> {
self.bc.mut_borrow(r)
}
fn immut_borrow(&self, r: Region) -> Result<BorrowHandle, GuestError> {
self.bc.immut_borrow(r)
}
fn unborrow(&self, h: BorrowHandle) {
self.bc.unborrow(h)