rename mir::Constant -> mir::ConstOperand, mir::ConstKind -> mir::Const

This commit is contained in:
Ralf Jung 2023-09-20 20:51:14 +02:00
parent b30cefc775
commit 2ea6ac5673
4 changed files with 16 additions and 16 deletions

View file

@ -50,7 +50,7 @@ impl<'tcx> LateLintPass<'tcx> for UnportableVariant {
.tcx .tcx
.const_eval_poly(def_id.to_def_id()) .const_eval_poly(def_id.to_def_id())
.ok() .ok()
.map(|val| rustc_middle::mir::ConstantKind::from_value(val, ty)); .map(|val| rustc_middle::mir::Const::from_value(val, ty));
if let Some(Constant::Int(val)) = constant.and_then(|c| miri_to_const(cx, c)) { if let Some(Constant::Int(val)) = constant.and_then(|c| miri_to_const(cx, c)) {
if let ty::Adt(adt, _) = ty.kind() { if let ty::Adt(adt, _) = ty.kind() {
if adt.is_enum() { if adt.is_enum() {

View file

@ -37,14 +37,14 @@ fn all_ranges<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>], ty: Ty<'tcx>)
Some(lhs) => constant(cx, cx.typeck_results(), lhs)?, Some(lhs) => constant(cx, cx.typeck_results(), lhs)?,
None => { None => {
let min_val_const = ty.numeric_min_val(cx.tcx)?; let min_val_const = ty.numeric_min_val(cx.tcx)?;
miri_to_const(cx, mir::ConstantKind::from_ty_const(min_val_const, cx.tcx))? miri_to_const(cx, mir::Const::from_ty_const(min_val_const, cx.tcx))?
}, },
}; };
let rhs_const = match rhs { let rhs_const = match rhs {
Some(rhs) => constant(cx, cx.typeck_results(), rhs)?, Some(rhs) => constant(cx, cx.typeck_results(), rhs)?,
None => { None => {
let max_val_const = ty.numeric_max_val(cx.tcx)?; let max_val_const = ty.numeric_max_val(cx.tcx)?;
miri_to_const(cx, mir::ConstantKind::from_ty_const(max_val_const, cx.tcx))? miri_to_const(cx, mir::Const::from_ty_const(max_val_const, cx.tcx))?
}, },
}; };
let lhs_val = lhs_const.int_value(cx, ty)?; let lhs_val = lhs_const.int_value(cx, ty)?;

View file

@ -21,7 +21,7 @@ use std::iter;
/// A `LitKind`-like enum to fold constant `Expr`s into. /// A `LitKind`-like enum to fold constant `Expr`s into.
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
pub enum Constant<'tcx> { pub enum Constant<'tcx> {
Adt(rustc_middle::mir::ConstantKind<'tcx>), Adt(rustc_middle::mir::Const<'tcx>),
/// A `String` (e.g., "abc"). /// A `String` (e.g., "abc").
Str(String), Str(String),
/// A binary string (e.g., `b"abc"`). /// A binary string (e.g., `b"abc"`).
@ -482,7 +482,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> {
.tcx .tcx
.const_eval_resolve(self.param_env, mir::UnevaluatedConst::new(def_id, args), None) .const_eval_resolve(self.param_env, mir::UnevaluatedConst::new(def_id, args), None)
.ok() .ok()
.map(|val| rustc_middle::mir::ConstantKind::from_value(val, ty))?; .map(|val| rustc_middle::mir::Const::from_value(val, ty))?;
let result = miri_to_const(self.lcx, result)?; let result = miri_to_const(self.lcx, result)?;
self.source = ConstantSource::Constant; self.source = ConstantSource::Constant;
Some(result) Some(result)
@ -655,10 +655,10 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> {
} }
} }
pub fn miri_to_const<'tcx>(lcx: &LateContext<'tcx>, result: mir::ConstantKind<'tcx>) -> Option<Constant<'tcx>> { pub fn miri_to_const<'tcx>(lcx: &LateContext<'tcx>, result: mir::Const<'tcx>) -> Option<Constant<'tcx>> {
use rustc_middle::mir::ConstValue; use rustc_middle::mir::ConstValue;
match result { match result {
mir::ConstantKind::Val(ConstValue::Scalar(Scalar::Int(int)), _) => match result.ty().kind() { mir::Const::Val(ConstValue::Scalar(Scalar::Int(int)), _) => match result.ty().kind() {
ty::Adt(adt_def, _) if adt_def.is_struct() => Some(Constant::Adt(result)), ty::Adt(adt_def, _) if adt_def.is_struct() => Some(Constant::Adt(result)),
ty::Bool => Some(Constant::Bool(int == ScalarInt::TRUE)), ty::Bool => Some(Constant::Bool(int == ScalarInt::TRUE)),
ty::Uint(_) | ty::Int(_) => Some(Constant::Int(int.assert_bits(int.size()))), ty::Uint(_) | ty::Int(_) => Some(Constant::Int(int.assert_bits(int.size()))),
@ -671,11 +671,11 @@ pub fn miri_to_const<'tcx>(lcx: &LateContext<'tcx>, result: mir::ConstantKind<'t
ty::RawPtr(_) => Some(Constant::RawPtr(int.assert_bits(int.size()))), ty::RawPtr(_) => Some(Constant::RawPtr(int.assert_bits(int.size()))),
_ => None, _ => None,
}, },
mir::ConstantKind::Val(cv, _) if matches!(result.ty().kind(), ty::Ref(_, inner_ty, _) if matches!(inner_ty.kind(), ty::Str)) => { mir::Const::Val(cv, _) if matches!(result.ty().kind(), ty::Ref(_, inner_ty, _) if matches!(inner_ty.kind(), ty::Str)) => {
let data = cv.try_get_slice_bytes_for_diagnostics(lcx.tcx)?; let data = cv.try_get_slice_bytes_for_diagnostics(lcx.tcx)?;
String::from_utf8(data.to_owned()).ok().map(Constant::Str) String::from_utf8(data.to_owned()).ok().map(Constant::Str)
} }
mir::ConstantKind::Val(ConstValue::Indirect { alloc_id, offset: _ }, _) => { mir::Const::Val(ConstValue::Indirect { alloc_id, offset: _ }, _) => {
let alloc = lcx.tcx.global_alloc(alloc_id).unwrap_memory(); let alloc = lcx.tcx.global_alloc(alloc_id).unwrap_memory();
match result.ty().kind() { match result.ty().kind() {
ty::Adt(adt_def, _) if adt_def.is_struct() => Some(Constant::Adt(result)), ty::Adt(adt_def, _) if adt_def.is_struct() => Some(Constant::Adt(result)),
@ -714,17 +714,17 @@ pub fn miri_to_const<'tcx>(lcx: &LateContext<'tcx>, result: mir::ConstantKind<'t
fn field_of_struct<'tcx>( fn field_of_struct<'tcx>(
adt_def: ty::AdtDef<'tcx>, adt_def: ty::AdtDef<'tcx>,
lcx: &LateContext<'tcx>, lcx: &LateContext<'tcx>,
result: mir::ConstantKind<'tcx>, result: mir::Const<'tcx>,
field: &Ident, field: &Ident,
) -> Option<mir::ConstantKind<'tcx>> { ) -> Option<mir::Const<'tcx>> {
if let mir::ConstantKind::Val(result, ty) = result if let mir::Const::Val(result, ty) = result
&& let Some(dc) = lcx.tcx.try_destructure_mir_constant_for_diagnostics((result, ty)) && let Some(dc) = lcx.tcx.try_destructure_mir_constant_for_diagnostics((result, ty))
&& let Some(dc_variant) = dc.variant && let Some(dc_variant) = dc.variant
&& let Some(variant) = adt_def.variants().get(dc_variant) && let Some(variant) = adt_def.variants().get(dc_variant)
&& let Some(field_idx) = variant.fields.iter().position(|el| el.name == field.name) && let Some(field_idx) = variant.fields.iter().position(|el| el.name == field.name)
&& let Some(&(val, ty)) = dc.fields.get(field_idx) && let Some(&(val, ty)) = dc.fields.get(field_idx)
{ {
Some(mir::ConstantKind::Val(val, ty)) Some(mir::Const::Val(val, ty))
} }
else { else {
None None

View file

@ -97,7 +97,7 @@ use rustc_hir::{
use rustc_lexer::{tokenize, TokenKind}; use rustc_lexer::{tokenize, TokenKind};
use rustc_lint::{LateContext, Level, Lint, LintContext}; use rustc_lint::{LateContext, Level, Lint, LintContext};
use rustc_middle::hir::place::PlaceBase; use rustc_middle::hir::place::PlaceBase;
use rustc_middle::mir::ConstantKind; use rustc_middle::mir::Const;
use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow};
use rustc_middle::ty::binding::BindingMode; use rustc_middle::ty::binding::BindingMode;
use rustc_middle::ty::fast_reject::SimplifiedType; use rustc_middle::ty::fast_reject::SimplifiedType;
@ -1510,7 +1510,7 @@ pub fn is_range_full(cx: &LateContext<'_>, expr: &Expr<'_>, container_path: Opti
&& let bnd_ty = subst.type_at(0) && let bnd_ty = subst.type_at(0)
&& let Some(min_val) = bnd_ty.numeric_min_val(cx.tcx) && let Some(min_val) = bnd_ty.numeric_min_val(cx.tcx)
&& let const_val = cx.tcx.valtree_to_const_val((bnd_ty, min_val.to_valtree())) && let const_val = cx.tcx.valtree_to_const_val((bnd_ty, min_val.to_valtree()))
&& let min_const_kind = ConstantKind::from_value(const_val, bnd_ty) && let min_const_kind = Const::from_value(const_val, bnd_ty)
&& let Some(min_const) = miri_to_const(cx, min_const_kind) && let Some(min_const) = miri_to_const(cx, min_const_kind)
&& let Some(start_const) = constant(cx, cx.typeck_results(), start) && let Some(start_const) = constant(cx, cx.typeck_results(), start)
{ {
@ -1526,7 +1526,7 @@ pub fn is_range_full(cx: &LateContext<'_>, expr: &Expr<'_>, container_path: Opti
&& let bnd_ty = subst.type_at(0) && let bnd_ty = subst.type_at(0)
&& let Some(max_val) = bnd_ty.numeric_max_val(cx.tcx) && let Some(max_val) = bnd_ty.numeric_max_val(cx.tcx)
&& let const_val = cx.tcx.valtree_to_const_val((bnd_ty, max_val.to_valtree())) && let const_val = cx.tcx.valtree_to_const_val((bnd_ty, max_val.to_valtree()))
&& let max_const_kind = ConstantKind::from_value(const_val, bnd_ty) && let max_const_kind = Const::from_value(const_val, bnd_ty)
&& let Some(max_const) = miri_to_const(cx, max_const_kind) && let Some(max_const) = miri_to_const(cx, max_const_kind)
&& let Some(end_const) = constant(cx, cx.typeck_results(), end) && let Some(end_const) = constant(cx, cx.typeck_results(), end)
{ {