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Add need-mut and unused-mut diagnostics

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This commit is contained in:
hkalbasi 2023-02-21 22:30:38 +03:30
parent c0a0664d12
commit a25710b0c0
10 changed files with 1089 additions and 277 deletions
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17
crates/hir-ty/src/mir/eval.rs
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@ -29,7 +29,7 @@ use crate::{
use super::{
const_as_usize, return_slot, AggregateKind, BinOp, CastKind, LocalId, MirBody, MirLowerError,
Operand, Place, ProjectionElem, Rvalue, Statement, Terminator, UnOp,
Operand, Place, ProjectionElem, Rvalue, StatementKind, Terminator, UnOp,
};
pub struct Evaluator<'a> {
@ -395,7 +395,8 @@ impl Evaluator<'_> {
.locals
.iter()
.map(|(id, x)| {
let size = self.size_of_sized(&x.ty, &locals, "no unsized local")?;
let size =
self.size_of_sized(&x.ty, &locals, "no unsized local in extending stack")?;
let my_ptr = stack_ptr;
stack_ptr += size;
Ok((id, Stack(my_ptr)))
@ -425,16 +426,16 @@ impl Evaluator<'_> {
return Err(MirEvalError::ExecutionLimitExceeded);
}
for statement in &current_block.statements {
match statement {
Statement::Assign(l, r) => {
match &statement.kind {
StatementKind::Assign(l, r) => {
let addr = self.place_addr(l, &locals)?;
let result = self.eval_rvalue(r, &locals)?.to_vec(&self)?;
self.write_memory(addr, &result)?;
}
Statement::Deinit(_) => not_supported!("de-init statement"),
Statement::StorageLive(_) => not_supported!("storage-live statement"),
Statement::StorageDead(_) => not_supported!("storage-dead statement"),
Statement::Nop => (),
StatementKind::Deinit(_) => not_supported!("de-init statement"),
StatementKind::StorageLive(_)
| StatementKind::StorageDead(_)
| StatementKind::Nop => (),
}
}
let Some(terminator) = current_block.terminator.as_ref() else {