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MIR episode 4

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This commit is contained in:
hkalbasi 2023-04-28 20:44:30 +03:30
parent 001607fdb4
commit 6312fbf521
47 changed files with 2557 additions and 805 deletions
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9
crates/hir-ty/src/consteval.rs
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@ -7,7 +7,7 @@ use hir_def::{
path::Path,
resolver::{Resolver, ValueNs},
type_ref::ConstRef,
ConstId, EnumVariantId,
DefWithBodyId, EnumVariantId,
};
use la_arena::{Idx, RawIdx};
use stdx::never;
@ -57,7 +57,7 @@ pub enum ConstEvalError {
impl From<MirLowerError> for ConstEvalError {
fn from(value: MirLowerError) -> Self {
match value {
MirLowerError::ConstEvalError(e) => *e,
MirLowerError::ConstEvalError(_, e) => *e,
_ => ConstEvalError::MirLowerError(value),
}
}
@ -168,7 +168,7 @@ pub fn try_const_usize(c: &Const) -> Option<u128> {
pub(crate) fn const_eval_recover(
_: &dyn HirDatabase,
_: &[String],
_: &ConstId,
_: &DefWithBodyId,
_: &Substitution,
) -> Result<Const, ConstEvalError> {
Err(ConstEvalError::MirLowerError(MirLowerError::Loop))
@ -184,10 +184,9 @@ pub(crate) fn const_eval_discriminant_recover(
pub(crate) fn const_eval_query(
db: &dyn HirDatabase,
const_id: ConstId,
def: DefWithBodyId,
subst: Substitution,
) -> Result<Const, ConstEvalError> {
let def = const_id.into();
let body = db.mir_body(def)?;
let c = interpret_mir(db, &body, subst, false)?;
Ok(c)