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Rust soundness fixes (#7518)

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* Rust soundness fixes

* Second pass

* Make init_from_table unsafe

* Remove SafeSliceAccess

* Clippy

* Remove create_vector_of_strings

* More clippy

* Remove deprecated root type accessors

* More soundness fixes

* Fix EndianScalar for bool

* Add TriviallyTransmutable

* Add debug assertions

* Review comments

* Review feedback
This commit is contained in:
Raphael Taylor-Davies
2022-09-29 14:58:49 +01:00
committed by GitHub
parent dadbff5714
commit 374f8fb5fb
102 changed files with 2673 additions and 2035 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
samples/rust_generated/my_game/sample/monster_generated.rs
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@@ -19,8 +19,8 @@ pub struct Monster<'a> {
impl<'a> flatbuffers::Follow<'a> for Monster<'a> {
type Inner = Monster<'a>;
#[inline]
fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
Self { _tab: flatbuffers::Table { buf, loc } }
unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
Self { _tab: flatbuffers::Table::new(buf, loc) }
}
}
@@ -41,7 +41,7 @@ impl<'a> Monster<'a> {
}
#[inline]
pub fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
pub unsafe fn init_from_table(table: flatbuffers::Table<'a>) -> Self {
Monster { _tab: table }
}
#[allow(unused_mut)]
@@ -73,7 +73,7 @@ impl<'a> Monster<'a> {
x.to_string()
});
let inventory = self.inventory().map(|x| {
x.to_vec()
x.into_iter().collect()
});
let color = self.color();
let weapons = self.weapons().map(|x| {
@@ -106,49 +106,84 @@ impl<'a> Monster<'a> {
#[inline]
pub fn pos(&self) -> Option<&'a Vec3> {
self._tab.get::<Vec3>(Monster::VT_POS, None)
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<Vec3>(Monster::VT_POS, None)}
}
#[inline]
pub fn mana(&self) -> i16 {
self._tab.get::<i16>(Monster::VT_MANA, Some(150)).unwrap()
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<i16>(Monster::VT_MANA, Some(150)).unwrap()}
}
#[inline]
pub fn hp(&self) -> i16 {
self._tab.get::<i16>(Monster::VT_HP, Some(100)).unwrap()
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<i16>(Monster::VT_HP, Some(100)).unwrap()}
}
#[inline]
pub fn name(&self) -> Option<&'a str> {
self._tab.get::<flatbuffers::ForwardsUOffset<&str>>(Monster::VT_NAME, None)
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<flatbuffers::ForwardsUOffset<&str>>(Monster::VT_NAME, None)}
}
#[inline]
pub fn inventory(&self) -> Option<&'a [u8]> {
self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'a, u8>>>(Monster::VT_INVENTORY, None).map(|v| v.safe_slice())
pub fn inventory(&self) -> Option<flatbuffers::Vector<'a, u8>> {
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'a, u8>>>(Monster::VT_INVENTORY, None)}
}
#[inline]
pub fn color(&self) -> Color {
self._tab.get::<Color>(Monster::VT_COLOR, Some(Color::Blue)).unwrap()
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<Color>(Monster::VT_COLOR, Some(Color::Blue)).unwrap()}
}
#[inline]
pub fn weapons(&self) -> Option<flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<Weapon<'a>>>> {
self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<Weapon>>>>(Monster::VT_WEAPONS, None)
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'a, flatbuffers::ForwardsUOffset<Weapon>>>>(Monster::VT_WEAPONS, None)}
}
#[inline]
pub fn equipped_type(&self) -> Equipment {
self._tab.get::<Equipment>(Monster::VT_EQUIPPED_TYPE, Some(Equipment::NONE)).unwrap()
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<Equipment>(Monster::VT_EQUIPPED_TYPE, Some(Equipment::NONE)).unwrap()}
}
#[inline]
pub fn equipped(&self) -> Option<flatbuffers::Table<'a>> {
self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Table<'a>>>(Monster::VT_EQUIPPED, None)
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Table<'a>>>(Monster::VT_EQUIPPED, None)}
}
#[inline]
pub fn path(&self) -> Option<&'a [Vec3]> {
self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'a, Vec3>>>(Monster::VT_PATH, None).map(|v| v.safe_slice())
pub fn path(&self) -> Option<flatbuffers::Vector<'a, Vec3>> {
// Safety:
// Created from valid Table for this object
// which contains a valid value in this slot
unsafe { self._tab.get::<flatbuffers::ForwardsUOffset<flatbuffers::Vector<'a, Vec3>>>(Monster::VT_PATH, None)}
}
#[inline]
#[allow(non_snake_case)]
pub fn equipped_as_weapon(&self) -> Option<Weapon<'a>> {
if self.equipped_type() == Equipment::Weapon {
self.equipped().map(Weapon::init_from_table)
self.equipped().map(|t| {
// Safety:
// Created from a valid Table for this object
// Which contains a valid union in this slot
unsafe { Weapon::init_from_table(t) }
})
} else {
None
}
@@ -365,18 +400,6 @@ impl MonsterT {
})
}
}
#[inline]
#[deprecated(since="2.0.0", note="Deprecated in favor of `root_as...` methods.")]
pub fn get_root_as_monster<'a>(buf: &'a [u8]) -> Monster<'a> {
unsafe { flatbuffers::root_unchecked::<Monster<'a>>(buf) }
}
#[inline]
#[deprecated(since="2.0.0", note="Deprecated in favor of `root_as...` methods.")]
pub fn get_size_prefixed_root_as_monster<'a>(buf: &'a [u8]) -> Monster<'a> {
unsafe { flatbuffers::size_prefixed_root_unchecked::<Monster<'a>>(buf) }
}
#[inline]
/// Verifies that a buffer of bytes contains a `Monster`
/// and returns it.