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move pretty into stable_mir

This commit is contained in:
Oğuz Ağcayazı 2023-11-15 10:12:17 +03:00 committed by ouz-a
parent 3883645a9b
commit 71c990470a
6 changed files with 308 additions and 305 deletions

View file

@ -1,308 +1,20 @@
use std::io;
use super::run;
use rustc_middle::ty::TyCtxt;
use stable_mir::{
mir::{Mutability, Operand, Rvalue, StatementKind},
ty::{RigidTy, TyKind},
CrateItem,
};
use super::{internal, run};
pub fn write_smir_pretty<'tcx>(tcx: TyCtxt<'tcx>, w: &mut dyn io::Write) -> io::Result<()> {
writeln!(w, "// WARNING: This is highly experimental output it's intended for stable-mir developers only.").unwrap();
writeln!(w, "// If you find a bug or want to improve the output open a issue at https://github.com/rust-lang/project-stable-mir.").unwrap();
pub fn write_smir_pretty<'tcx, W: io::Write>(tcx: TyCtxt<'tcx>, w: &mut W) -> io::Result<()> {
writeln!(
w,
"// WARNING: This is highly experimental output it's intended for stable-mir developers only."
)?;
writeln!(
w,
"// If you find a bug or want to improve the output open a issue at https://github.com/rust-lang/project-stable-mir."
)?;
run(tcx, || {
let items = stable_mir::all_local_items();
let _ = items
.iter()
.map(|item| -> io::Result<()> {
// Because we can't return a Result from a closure, we have to unwrap here.
writeln!(w, "{}", function_name(*item, tcx))?;
writeln!(w, "{}", function_body(*item, tcx))?;
let _ = item
.body()
.blocks
.iter()
.enumerate()
.map(|(index, block)| -> io::Result<()> {
writeln!(w, " bb{}: {{", index)?;
let _ = block
.statements
.iter()
.map(|statement| -> io::Result<()> {
writeln!(w, "{}", pretty_statement(&statement.kind, tcx))?;
Ok(())
})
.collect::<Vec<_>>();
writeln!(w, " }}").unwrap();
Ok(())
})
.collect::<Vec<_>>();
Ok(())
})
.collect::<Vec<_>>();
let _ = items.iter().map(|item| -> io::Result<()> { item.dump(w) }).collect::<Vec<_>>();
});
Ok(())
}
pub fn function_name(item: CrateItem, tcx: TyCtxt<'_>) -> String {
let mut name = String::new();
let body = item.body();
name.push_str("fn ");
name.push_str(item.name().as_str());
if body.arg_locals().is_empty() {
name.push_str("()");
} else {
name.push_str("(");
}
body.arg_locals().iter().for_each(|local| {
name.push_str(format!("_{}: ", local.local).as_str());
name.push_str(&pretty_ty(local.ty.kind(), tcx));
});
if !body.arg_locals().is_empty() {
name.push_str(")");
}
let return_local = body.ret_local();
name.push_str(" -> ");
name.push_str(&pretty_ty(return_local.ty.kind(), tcx));
name.push_str(" {");
name
}
pub fn function_body(item: CrateItem, _tcx: TyCtxt<'_>) -> String {
let mut body_str = String::new();
let body = item.body();
body.inner_locals().iter().for_each(|local| {
body_str.push_str(" ");
body_str.push_str(format!("let {}", ret_mutability(&local.mutability)).as_str());
body_str.push_str(format!("_{}: ", local.local).as_str());
body_str.push_str(format!("{}", pretty_ty(local.ty.kind(), _tcx)).as_str());
body_str.push_str(";\n");
});
body_str.push_str("}");
body_str
}
pub fn ret_mutability(mutability: &Mutability) -> String {
match mutability {
Mutability::Not => "".to_string(),
Mutability::Mut => "mut ".to_string(),
}
}
pub fn pretty_statement(statement: &StatementKind, tcx: TyCtxt<'_>) -> String {
let mut pretty = String::new();
match statement {
StatementKind::Assign(place, rval) => {
pretty.push_str(format!(" _{} = ", place.local).as_str());
pretty.push_str(format!("{}", &pretty_rvalue(rval, tcx)).as_str());
}
StatementKind::FakeRead(_, _) => todo!(),
StatementKind::SetDiscriminant { .. } => todo!(),
StatementKind::Deinit(_) => todo!(),
StatementKind::StorageLive(_) => todo!(),
StatementKind::StorageDead(_) => todo!(),
StatementKind::Retag(_, _) => todo!(),
StatementKind::PlaceMention(_) => todo!(),
StatementKind::AscribeUserType { .. } => todo!(),
StatementKind::Coverage(_) => todo!(),
StatementKind::Intrinsic(_) => todo!(),
StatementKind::ConstEvalCounter => (),
StatementKind::Nop => (),
}
pretty
}
pub fn pretty_operand(operand: &Operand, _tcx: TyCtxt<'_>) -> String {
let mut pretty = String::new();
match operand {
Operand::Copy(copy) => {
pretty.push_str("");
pretty.push_str(format!("{}", copy.local).as_str());
}
Operand::Move(mv) => {
pretty.push_str("move ");
pretty.push_str(format!("_{}", mv.local).as_str());
}
Operand::Constant(cnst) => {
pretty.push_str("const ");
pretty.push_str(internal(&cnst.literal).to_string().as_str());
}
}
pretty
}
pub fn pretty_rvalue(rval: &Rvalue, tcx: TyCtxt<'_>) -> String {
let mut pretty = String::new();
match rval {
Rvalue::AddressOf(muta, addr) => {
pretty.push_str("&raw ");
pretty.push_str(&ret_mutability(&muta));
pretty.push_str(format!("(*_{})", addr.local).as_str());
}
Rvalue::Aggregate(aggregatekind, operands) => {
pretty.push_str(format!("{:#?}", aggregatekind).as_str());
pretty.push_str("(");
operands.iter().enumerate().for_each(|(i, op)| {
pretty.push_str(&pretty_operand(op, tcx));
if i != operands.len() - 1 {
pretty.push_str(", ");
}
});
pretty.push_str(")");
}
Rvalue::BinaryOp(bin, op, op2) => {
pretty.push_str(&pretty_operand(op, tcx));
pretty.push_str(" ");
pretty.push_str(format!("{:#?}", bin).as_str());
pretty.push_str(" ");
pretty.push_str(&pretty_operand(op2, tcx));
}
Rvalue::Cast(_, op, ty) => {
pretty.push_str(&pretty_operand(op, tcx));
pretty.push_str(" as ");
pretty.push_str(&pretty_ty(ty.kind(), tcx));
}
Rvalue::CheckedBinaryOp(bin, op1, op2) => {
pretty.push_str(&pretty_operand(op1, tcx));
pretty.push_str(" ");
pretty.push_str(format!("{:#?}", bin).as_str());
pretty.push_str(" ");
pretty.push_str(&pretty_operand(op2, tcx));
}
Rvalue::CopyForDeref(deref) => {
pretty.push_str("CopyForDeref");
pretty.push_str(format!("{}", deref.local).as_str());
}
Rvalue::Discriminant(place) => {
pretty.push_str("discriminant");
pretty.push_str(format!("{}", place.local).as_str());
}
Rvalue::Len(len) => {
pretty.push_str("len");
pretty.push_str(format!("{}", len.local).as_str());
}
Rvalue::Ref(_, borrowkind, place) => {
pretty.push_str("ref");
pretty.push_str(format!("{:#?}", borrowkind).as_str());
pretty.push_str(format!("{}", place.local).as_str());
}
Rvalue::Repeat(op, cnst) => {
pretty.push_str(&pretty_operand(op, tcx));
pretty.push_str(" ");
pretty.push_str(&pretty_ty(cnst.ty().kind(), tcx));
}
Rvalue::ShallowInitBox(_, _) => todo!(),
Rvalue::ThreadLocalRef(item) => {
pretty.push_str("thread_local_ref");
pretty.push_str(format!("{:#?}", item).as_str());
}
Rvalue::NullaryOp(nul, ty) => {
pretty.push_str(format!("{:#?}", nul).as_str());
pretty.push_str(&&pretty_ty(ty.kind(), tcx));
pretty.push_str(" ");
}
Rvalue::UnaryOp(un, op) => {
pretty.push_str(&pretty_operand(op, tcx));
pretty.push_str(" ");
pretty.push_str(format!("{:#?}", un).as_str());
}
Rvalue::Use(op) => pretty.push_str(&pretty_operand(op, tcx)),
}
pretty
}
pub fn pretty_ty(ty: TyKind, tcx: TyCtxt<'_>) -> String {
let mut pretty = String::new();
pretty.push_str("");
match ty {
TyKind::RigidTy(rigid_ty) => match rigid_ty {
RigidTy::Bool => "bool".to_string(),
RigidTy::Char => "char".to_string(),
RigidTy::Int(i) => match i {
stable_mir::ty::IntTy::Isize => "isize".to_string(),
stable_mir::ty::IntTy::I8 => "i8".to_string(),
stable_mir::ty::IntTy::I16 => "i16".to_string(),
stable_mir::ty::IntTy::I32 => "i32".to_string(),
stable_mir::ty::IntTy::I64 => "i64".to_string(),
stable_mir::ty::IntTy::I128 => "i128".to_string(),
},
RigidTy::Uint(u) => match u {
stable_mir::ty::UintTy::Usize => "usize".to_string(),
stable_mir::ty::UintTy::U8 => "u8".to_string(),
stable_mir::ty::UintTy::U16 => "u16".to_string(),
stable_mir::ty::UintTy::U32 => "u32".to_string(),
stable_mir::ty::UintTy::U64 => "u64".to_string(),
stable_mir::ty::UintTy::U128 => "u128".to_string(),
},
RigidTy::Float(f) => match f {
stable_mir::ty::FloatTy::F32 => "f32".to_string(),
stable_mir::ty::FloatTy::F64 => "f64".to_string(),
},
RigidTy::Adt(def, _) => {
format!("{}", tcx.type_of(internal(&def.0)).instantiate_identity())
}
RigidTy::Foreign(_) => format!("{:#?}", rigid_ty),
RigidTy::Str => "str".to_string(),
RigidTy::Array(ty, len) => {
format!(
"[{}; {}]",
pretty_ty(ty.kind(), tcx),
internal(&len).try_to_scalar().unwrap()
)
}
RigidTy::Slice(ty) => {
format!("[{}]", pretty_ty(ty.kind(), tcx))
}
RigidTy::RawPtr(ty, mutability) => {
pretty.push_str("*");
match mutability {
Mutability::Not => pretty.push_str("const "),
Mutability::Mut => pretty.push_str("mut "),
}
pretty.push_str(&pretty_ty(ty.kind(), tcx));
pretty
}
RigidTy::Ref(_, ty, _) => pretty_ty(ty.kind(), tcx),
RigidTy::FnDef(_, _) => format!("{:#?}", rigid_ty),
RigidTy::FnPtr(_) => format!("{:#?}", rigid_ty),
RigidTy::Closure(_, _) => format!("{:#?}", rigid_ty),
RigidTy::Coroutine(_, _, _) => format!("{:#?}", rigid_ty),
RigidTy::Dynamic(data, region, repr) => {
// FIXME: Fix binder printing, it looks ugly now
pretty.push_str("(");
match repr {
stable_mir::ty::DynKind::Dyn => pretty.push_str("dyn "),
stable_mir::ty::DynKind::DynStar => pretty.push_str("dyn* "),
}
pretty.push_str(format!("{:#?}", data).as_str());
pretty.push_str(format!(" + {:#?} )", region).as_str());
pretty
}
RigidTy::Never => "!".to_string(),
RigidTy::Tuple(tuple) => {
if tuple.is_empty() {
"()".to_string()
} else {
let mut tuple_str = String::new();
tuple_str.push_str("(");
tuple.iter().enumerate().for_each(|(i, ty)| {
tuple_str.push_str(&pretty_ty(ty.kind(), tcx));
if i != tuple.len() - 1 {
tuple_str.push_str(", ");
}
});
tuple_str.push_str(")");
tuple_str
}
}
},
TyKind::Alias(_, _) => format!("{:#?}", ty),
TyKind::Param(param_ty) => {
format!("{:#?}", param_ty.name)
}
TyKind::Bound(_, _) => format!("{:#?}", ty),
}
}

View file

@ -400,11 +400,10 @@ impl<'tcx> Stable<'tcx> for mir::Body<'tcx> {
})
.collect(),
self.local_decls
.iter_enumerated()
.map(|(local, decl)| stable_mir::mir::LocalDecl {
.iter()
.map(|decl| stable_mir::mir::LocalDecl {
ty: decl.ty.stable(tables),
span: decl.source_info.span.stable(tables),
local: local.as_usize(),
mutability: decl.mutability.stable(tables),
})
.collect(),

View file

@ -19,9 +19,9 @@
use crate::mir::mono::InstanceDef;
use crate::mir::Body;
use std::cell::Cell;
use std::fmt;
use std::fmt::Debug;
use std::{cell::Cell, io};
use self::ty::{
GenericPredicates, Generics, ImplDef, ImplTrait, IndexedVal, LineInfo, Span, TraitDecl,
@ -37,6 +37,8 @@ pub mod ty;
pub mod visitor;
use crate::ty::{AdtDef, AdtKind, ClosureDef, ClosureKind};
use crate::mir::pretty::function_name;
use crate::mir::Mutability;
pub use error::*;
use mir::mono::Instance;
use ty::{FnDef, GenericArgs};
@ -137,6 +139,11 @@ impl CrateItem {
pub fn ty(&self) -> Ty {
with(|cx| cx.def_ty(self.0))
}
pub fn dump<W: io::Write>(&self, w: &mut W) -> io::Result<()> {
writeln!(w, "{}", function_name(*self))?;
self.body().dump(w)
}
}
/// Return the function where execution starts if the current

View file

@ -1,5 +1,6 @@
mod body;
pub mod mono;
pub mod pretty;
pub mod visit;
pub use body::*;

View file

@ -1,7 +1,8 @@
use crate::mir::pretty::{function_body, pretty_statement};
use crate::ty::{AdtDef, ClosureDef, Const, CoroutineDef, GenericArgs, Movability, Region, Ty};
use crate::Opaque;
use crate::Span;
use std::io;
/// The SMIR representation of a single function.
#[derive(Clone, Debug)]
pub struct Body {
@ -56,6 +57,29 @@ impl Body {
pub fn locals(&self) -> &[LocalDecl] {
&self.locals
}
pub fn dump<W: io::Write>(&self, w: &mut W) -> io::Result<()> {
writeln!(w, "{}", function_body(self))?;
let _ = self
.blocks
.iter()
.enumerate()
.map(|(index, block)| -> io::Result<()> {
writeln!(w, " bb{}: {{", index)?;
let _ = block
.statements
.iter()
.map(|statement| -> io::Result<()> {
writeln!(w, "{}", pretty_statement(&statement.kind))?;
Ok(())
})
.collect::<Vec<_>>();
writeln!(w, " }}").unwrap();
Ok(())
})
.collect::<Vec<_>>();
Ok(())
}
}
type LocalDecls = Vec<LocalDecl>;
@ -64,7 +88,6 @@ type LocalDecls = Vec<LocalDecl>;
pub struct LocalDecl {
pub ty: Ty,
pub span: Span,
pub local: Local,
pub mutability: Mutability,
}

View file

@ -0,0 +1,261 @@
use crate::mir::{Operand, Rvalue, StatementKind};
use crate::ty::{DynKind, FloatTy, IntTy, RigidTy, TyKind, UintTy};
use crate::{Body, CrateItem, Mutability};
pub fn function_name(item: CrateItem) -> String {
let mut pretty_name = String::new();
let body = item.body();
pretty_name.push_str("fn ");
pretty_name.push_str(item.name().as_str());
if body.arg_locals().is_empty() {
pretty_name.push_str("()");
} else {
pretty_name.push_str("(");
}
body.arg_locals().iter().enumerate().for_each(|(index, local)| {
pretty_name.push_str(format!("_{}: ", index).as_str());
pretty_name.push_str(&pretty_ty(local.ty.kind()));
});
if !body.arg_locals().is_empty() {
pretty_name.push_str(")");
}
let return_local = body.ret_local();
pretty_name.push_str(" -> ");
pretty_name.push_str(&pretty_ty(return_local.ty.kind()));
pretty_name.push_str(" {");
pretty_name
}
pub fn function_body(body: &Body) -> String {
let mut pretty_body = String::new();
body.inner_locals().iter().enumerate().for_each(|(index, local)| {
pretty_body.push_str(" ");
pretty_body.push_str(format!("let {}", ret_mutability(&local.mutability)).as_str());
pretty_body.push_str(format!("_{}: ", index).as_str());
pretty_body.push_str(format!("{}", pretty_ty(local.ty.kind())).as_str());
pretty_body.push_str(";\n");
});
pretty_body.push_str("}");
pretty_body
}
pub fn ret_mutability(mutability: &Mutability) -> String {
match mutability {
Mutability::Not => "".to_string(),
Mutability::Mut => "mut ".to_string(),
}
}
pub fn pretty_statement(statement: &StatementKind) -> String {
let mut pretty = String::new();
match statement {
StatementKind::Assign(place, rval) => {
pretty.push_str(format!(" _{} = ", place.local).as_str());
pretty.push_str(format!("{}", &pretty_rvalue(rval)).as_str());
}
StatementKind::FakeRead(_, _) => todo!(),
StatementKind::SetDiscriminant { .. } => todo!(),
StatementKind::Deinit(_) => todo!(),
StatementKind::StorageLive(_) => todo!(),
StatementKind::StorageDead(_) => todo!(),
StatementKind::Retag(_, _) => todo!(),
StatementKind::PlaceMention(_) => todo!(),
StatementKind::AscribeUserType { .. } => todo!(),
StatementKind::Coverage(_) => todo!(),
StatementKind::Intrinsic(_) => todo!(),
StatementKind::ConstEvalCounter => (),
StatementKind::Nop => (),
}
pretty
}
pub fn pretty_operand(operand: &Operand) -> String {
let mut pretty = String::new();
match operand {
Operand::Copy(copy) => {
pretty.push_str("");
pretty.push_str(format!("{}", copy.local).as_str());
}
Operand::Move(mv) => {
pretty.push_str("move ");
pretty.push_str(format!("_{}", mv.local).as_str());
}
Operand::Constant(_) => {
// FIXME: Once https://github.com/rust-lang/rust/pull/117688 we will have ability to replace this
pretty.push_str("const ");
//pretty.push_str(internal(&cnst.literal).to_string().as_str());
}
}
pretty
}
pub fn pretty_rvalue(rval: &Rvalue) -> String {
let mut pretty = String::new();
match rval {
Rvalue::AddressOf(muta, addr) => {
pretty.push_str("&raw ");
pretty.push_str(&ret_mutability(&muta));
pretty.push_str(format!("(*_{})", addr.local).as_str());
}
Rvalue::Aggregate(aggregatekind, operands) => {
pretty.push_str(format!("{:#?}", aggregatekind).as_str());
pretty.push_str("(");
operands.iter().enumerate().for_each(|(i, op)| {
pretty.push_str(&pretty_operand(op));
if i != operands.len() - 1 {
pretty.push_str(", ");
}
});
pretty.push_str(")");
}
Rvalue::BinaryOp(bin, op, op2) => {
pretty.push_str(&pretty_operand(op));
pretty.push_str(" ");
pretty.push_str(format!("{:#?}", bin).as_str());
pretty.push_str(" ");
pretty.push_str(&pretty_operand(op2));
}
Rvalue::Cast(_, op, ty) => {
pretty.push_str(&pretty_operand(op));
pretty.push_str(" as ");
pretty.push_str(&pretty_ty(ty.kind()));
}
Rvalue::CheckedBinaryOp(bin, op1, op2) => {
pretty.push_str(&pretty_operand(op1));
pretty.push_str(" ");
pretty.push_str(format!("{:#?}", bin).as_str());
pretty.push_str(" ");
pretty.push_str(&pretty_operand(op2));
}
Rvalue::CopyForDeref(deref) => {
pretty.push_str("CopyForDeref");
pretty.push_str(format!("{}", deref.local).as_str());
}
Rvalue::Discriminant(place) => {
pretty.push_str("discriminant");
pretty.push_str(format!("{}", place.local).as_str());
}
Rvalue::Len(len) => {
pretty.push_str("len");
pretty.push_str(format!("{}", len.local).as_str());
}
Rvalue::Ref(_, borrowkind, place) => {
pretty.push_str("ref");
pretty.push_str(format!("{:#?}", borrowkind).as_str());
pretty.push_str(format!("{}", place.local).as_str());
}
Rvalue::Repeat(op, cnst) => {
pretty.push_str(&pretty_operand(op));
pretty.push_str(" ");
pretty.push_str(&pretty_ty(cnst.ty().kind()));
}
Rvalue::ShallowInitBox(_, _) => todo!(),
Rvalue::ThreadLocalRef(item) => {
pretty.push_str("thread_local_ref");
pretty.push_str(format!("{:#?}", item).as_str());
}
Rvalue::NullaryOp(nul, ty) => {
pretty.push_str(format!("{:#?}", nul).as_str());
pretty.push_str(&&pretty_ty(ty.kind()));
pretty.push_str(" ");
}
Rvalue::UnaryOp(un, op) => {
pretty.push_str(&pretty_operand(op));
pretty.push_str(" ");
pretty.push_str(format!("{:#?}", un).as_str());
}
Rvalue::Use(op) => pretty.push_str(&pretty_operand(op)),
}
pretty
}
pub fn pretty_ty(ty: TyKind) -> String {
let mut pretty = String::new();
pretty.push_str("");
match ty {
TyKind::RigidTy(rigid_ty) => match rigid_ty {
RigidTy::Bool => "bool".to_string(),
RigidTy::Char => "char".to_string(),
RigidTy::Int(i) => match i {
IntTy::Isize => "isize".to_string(),
IntTy::I8 => "i8".to_string(),
IntTy::I16 => "i16".to_string(),
IntTy::I32 => "i32".to_string(),
IntTy::I64 => "i64".to_string(),
IntTy::I128 => "i128".to_string(),
},
RigidTy::Uint(u) => match u {
UintTy::Usize => "usize".to_string(),
UintTy::U8 => "u8".to_string(),
UintTy::U16 => "u16".to_string(),
UintTy::U32 => "u32".to_string(),
UintTy::U64 => "u64".to_string(),
UintTy::U128 => "u128".to_string(),
},
RigidTy::Float(f) => match f {
FloatTy::F32 => "f32".to_string(),
FloatTy::F64 => "f64".to_string(),
},
RigidTy::Adt(_, _) => {
// FIXME: Once https://github.com/rust-lang/rust/pull/117688 we will have ability to replace this
format!("{rigid_ty:#?}")
}
RigidTy::Str => "str".to_string(),
RigidTy::Array(ty, len) => {
// FIXME: Once https://github.com/rust-lang/rust/pull/117688 we will have ability to replace this
format!("[{}; {:#?}]", pretty_ty(ty.kind()), len)
}
RigidTy::Slice(ty) => {
format!("[{}]", pretty_ty(ty.kind()))
}
RigidTy::RawPtr(ty, mutability) => {
pretty.push_str("*");
match mutability {
Mutability::Not => pretty.push_str("const "),
Mutability::Mut => pretty.push_str("mut "),
}
pretty.push_str(&pretty_ty(ty.kind()));
pretty
}
RigidTy::Ref(_, ty, _) => pretty_ty(ty.kind()),
RigidTy::FnDef(_, _) => format!("{:#?}", rigid_ty),
RigidTy::FnPtr(_) => format!("{:#?}", rigid_ty),
RigidTy::Closure(_, _) => format!("{:#?}", rigid_ty),
RigidTy::Coroutine(_, _, _) => format!("{:#?}", rigid_ty),
RigidTy::Dynamic(data, region, repr) => {
// FIXME: Fix binder printing, it looks ugly now
pretty.push_str("(");
match repr {
DynKind::Dyn => pretty.push_str("dyn "),
DynKind::DynStar => pretty.push_str("dyn* "),
}
pretty.push_str(format!("{:#?}", data).as_str());
pretty.push_str(format!(" + {:#?} )", region).as_str());
pretty
}
RigidTy::Never => "!".to_string(),
RigidTy::Tuple(tuple) => {
if tuple.is_empty() {
"()".to_string()
} else {
let mut tuple_str = String::new();
tuple_str.push_str("(");
tuple.iter().enumerate().for_each(|(i, ty)| {
tuple_str.push_str(&pretty_ty(ty.kind()));
if i != tuple.len() - 1 {
tuple_str.push_str(", ");
}
});
tuple_str.push_str(")");
tuple_str
}
}
_ => format!("{:#?}", rigid_ty),
},
TyKind::Alias(_, _) => format!("{:#?}", ty),
TyKind::Param(param_ty) => {
format!("{:#?}", param_ty.name)
}
TyKind::Bound(_, _) => format!("{:#?}", ty),
}
}