language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-09-27 12:29:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

Add manual implementation of clone for tuples in mir interpreter

Browse source
This commit is contained in:
hkalbasi 2023-07-28 18:52:01 +03:30
parent 17cc813e92
commit bd2a8ca507
4 changed files with 138 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

13
crates/hir-ty/src/mir/eval.rs
View file

@ -313,6 +313,7 @@ pub enum MirEvalError {
InvalidVTableId(usize),
CoerceUnsizedError(Ty),
LangItemNotFound(LangItem),
BrokenLayout(Layout),
}
impl MirEvalError {
@ -399,6 +400,7 @@ impl MirEvalError {
| MirEvalError::TargetDataLayoutNotAvailable
| MirEvalError::CoerceUnsizedError(_)
| MirEvalError::LangItemNotFound(_)
| MirEvalError::BrokenLayout(_)
| MirEvalError::InvalidVTableId(_) => writeln!(f, "{:?}", err)?,
}
Ok(())
@ -433,6 +435,7 @@ impl std::fmt::Debug for MirEvalError {
Self::CoerceUnsizedError(arg0) => {
f.debug_tuple("CoerceUnsizedError").field(arg0).finish()
}
Self::BrokenLayout(arg0) => f.debug_tuple("BrokenLayout").field(arg0).finish(),
Self::InvalidVTableId(arg0) => f.debug_tuple("InvalidVTableId").field(arg0).finish(),
Self::NotSupported(arg0) => f.debug_tuple("NotSupported").field(arg0).finish(),
Self::InvalidConst(arg0) => {
@ -1541,12 +1544,18 @@ impl Evaluator<'_> {
) -> Result<Vec<u8>> {
let mut result = vec![0; size];
if let Some((offset, size, value)) = tag {
result[offset..offset + size].copy_from_slice(&value.to_le_bytes()[0..size]);
match result.get_mut(offset..offset + size) {
Some(it) => it.copy_from_slice(&value.to_le_bytes()[0..size]),
None => return Err(MirEvalError::BrokenLayout(variant_layout.clone())),
}
}
for (i, op) in values.enumerate() {
let offset = variant_layout.fields.offset(i).bytes_usize();
let op = op.get(&self)?;
result[offset..offset + op.len()].copy_from_slice(op);
match result.get_mut(offset..offset + op.len()) {
Some(it) => it.copy_from_slice(op),
None => return Err(MirEvalError::BrokenLayout(variant_layout.clone())),
}
}
Ok(result)
}