bjoernager/rust
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Add a stable MIR visitor

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Add a few utility functions as well and extend most `mir` and `ty`
ADTs to implement `PartialEq` and `Eq`.
This commit is contained in:
Celina G. Val 2023-10-30 13:07:02 -07:00
parent e6e931dda5
commit af7472ecbc
8 changed files with 662 additions and 85 deletions
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7
compiler/stable_mir/src/lib.rs
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@ -103,8 +103,6 @@ pub type DefKind = Opaque;
pub type Filename = Opaque;
/// Holds information about an item in the crate.
/// For now, it only stores the item DefId. Use functions inside `rustc_internal` module to
/// use this item.
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub struct CrateItem(pub DefId);
@ -224,6 +222,9 @@ pub trait Context {
/// Get the instance.
fn instance_def_id(&self, instance: InstanceDef) -> DefId;
/// Get the instance mangled name.
fn instance_mangled_name(&self, instance: InstanceDef) -> String;
/// Convert a non-generic crate item into an instance.
/// This function will panic if the item is generic.
fn mono_instance(&self, item: CrateItem) -> Instance;
@ -259,7 +260,7 @@ pub fn with<R>(f: impl FnOnce(&dyn Context) -> R) -> R {
}
/// A type that provides internal information but that can still be used for debug purpose.
#[derive(Clone)]
#[derive(Clone, Eq, PartialEq)]
pub struct Opaque(String);
impl std::fmt::Display for Opaque {