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Allow building without std (#1069)

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Closes https://github.com/CraneStation/cranelift/issues/1067
This commit is contained in:
Joshua Nelson
2019-09-26 12:00:03 -04:00
committed by Benjamin Bouvier
parent 40f6d3b753
commit a1f6457e8a
18 changed files with 43 additions and 31 deletions
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13
cranelift/codegen/src/scoped_hash_map.rs
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@@ -8,6 +8,11 @@ use crate::fx::FxHashMap;
use core::hash::Hash;
use core::mem;
#[cfg(not(feature = "std"))]
use crate::fx::FxHasher;
#[cfg(not(feature = "std"))]
type Hasher = core::hash::BuildHasherDefault<FxHasher>;
struct Val<K, V> {
value: V,
next_key: Option<K>,
@@ -16,7 +21,10 @@ struct Val<K, V> {
/// A view into an occupied entry in a `ScopedHashMap`. It is part of the `Entry` enum.
pub struct OccupiedEntry<'a, K: 'a, V: 'a> {
#[cfg(feature = "std")]
entry: super::hash_map::OccupiedEntry<'a, K, Val<K, V>>,
#[cfg(not(feature = "std"))]
entry: super::hash_map::OccupiedEntry<'a, K, Val<K, V>, Hasher>,
}
impl<'a, K, V> OccupiedEntry<'a, K, V> {
@@ -28,12 +36,15 @@ impl<'a, K, V> OccupiedEntry<'a, K, V> {
/// A view into a vacant entry in a `ScopedHashMap`. It is part of the `Entry` enum.
pub struct VacantEntry<'a, K: 'a, V: 'a> {
#[cfg(feature = "std")]
entry: super::hash_map::VacantEntry<'a, K, Val<K, V>>,
#[cfg(not(feature = "std"))]
entry: super::hash_map::VacantEntry<'a, K, Val<K, V>, Hasher>,
next_key: Option<K>,
depth: usize,
}
impl<'a, K, V> VacantEntry<'a, K, V> {
impl<'a, K: Hash, V> VacantEntry<'a, K, V> {
/// Sets the value of the entry with the `VacantEntry`'s key.
pub fn insert(self, value: V) {
self.entry.insert(Val {