diff options
24 files changed, 381 insertions, 162 deletions
diff --git a/crates/hir-def/src/body/pretty.rs b/crates/hir-def/src/body/pretty.rs index 8fe304aa14d..093dd679702 100644 --- a/crates/hir-def/src/body/pretty.rs +++ b/crates/hir-def/src/body/pretty.rs @@ -611,6 +611,7 @@ impl<'a> Printer<'a> { match literal { Literal::String(it) => w!(self, "{:?}", it), Literal::ByteString(it) => w!(self, "\"{}\"", it.escape_ascii()), + Literal::CString(it) => w!(self, "\"{}\\0\"", it), Literal::Char(it) => w!(self, "'{}'", it.escape_debug()), Literal::Bool(it) => w!(self, "{}", it), Literal::Int(i, suffix) => { diff --git a/crates/hir-def/src/hir.rs b/crates/hir-def/src/hir.rs index f531109cd88..a42f8183abc 100644 --- a/crates/hir-def/src/hir.rs +++ b/crates/hir-def/src/hir.rs @@ -85,6 +85,7 @@ impl fmt::Display for FloatTypeWrapper { pub enum Literal { String(Box<str>), ByteString(Box<[u8]>), + CString(Box<str>), Char(char), Bool(bool), Int(i128, Option<BuiltinInt>), @@ -135,6 +136,10 @@ impl From<ast::LiteralKind> for Literal { let text = s.value().map(Box::from).unwrap_or_else(Default::default); Literal::String(text) } + LiteralKind::CString(s) => { + let text = s.value().map(Box::from).unwrap_or_else(Default::default); + Literal::CString(text) + } LiteralKind::Byte(b) => { Literal::Uint(b.value().unwrap_or_default() as u128, Some(BuiltinUint::U8)) } diff --git a/crates/hir-def/src/lang_item.rs b/crates/hir-def/src/lang_item.rs index 253e2daeddf..0e9ac58fbaa 100644 --- a/crates/hir-def/src/lang_item.rs +++ b/crates/hir-def/src/lang_item.rs @@ -199,7 +199,7 @@ pub enum GenericRequirement { macro_rules! language_item_table { ( - $( $(#[$attr:meta])* $variant:ident, $name:ident, $method:ident, $target:expr, $generics:expr; )* + $( $(#[$attr:meta])* $variant:ident, $module:ident :: $name:ident, $method:ident, $target:expr, $generics:expr; )* ) => { /// A representation of all the valid language items in Rust. @@ -244,82 +244,86 @@ impl LangItem { language_item_table! { // Variant name, Name, Getter method name, Target Generic requirements; - Sized, sized, sized_trait, Target::Trait, GenericRequirement::Exact(0); - Unsize, unsize, unsize_trait, Target::Trait, GenericRequirement::Minimum(1); + Sized, sym::sized, sized_trait, Target::Trait, GenericRequirement::Exact(0); + Unsize, sym::unsize, unsize_trait, Target::Trait, GenericRequirement::Minimum(1); /// Trait injected by `#[derive(PartialEq)]`, (i.e. "Partial EQ"). - StructuralPeq, structural_peq, structural_peq_trait, Target::Trait, GenericRequirement::None; + StructuralPeq, sym::structural_peq, structural_peq_trait, Target::Trait, GenericRequirement::None; /// Trait injected by `#[derive(Eq)]`, (i.e. "Total EQ"; no, I will not apologize). - StructuralTeq, structural_teq, structural_teq_trait, Target::Trait, GenericRequirement::None; - Copy, copy, copy_trait, Target::Trait, GenericRequirement::Exact(0); - Clone, clone, clone_trait, Target::Trait, GenericRequirement::None; - Sync, sync, sync_trait, Target::Trait, GenericRequirement::Exact(0); - DiscriminantKind, discriminant_kind, discriminant_kind_trait, Target::Trait, GenericRequirement::None; + StructuralTeq, sym::structural_teq, structural_teq_trait, Target::Trait, GenericRequirement::None; + Copy, sym::copy, copy_trait, Target::Trait, GenericRequirement::Exact(0); + Clone, sym::clone, clone_trait, Target::Trait, GenericRequirement::None; + Sync, sym::sync, sync_trait, Target::Trait, GenericRequirement::Exact(0); + DiscriminantKind, sym::discriminant_kind, discriminant_kind_trait, Target::Trait, GenericRequirement::None; /// The associated item of the [`DiscriminantKind`] trait. - Discriminant, discriminant_type, discriminant_type, Target::AssocTy, GenericRequirement::None; + Discriminant, sym::discriminant_type, discriminant_type, Target::AssocTy, GenericRequirement::None; - PointeeTrait, pointee_trait, pointee_trait, Target::Trait, GenericRequirement::None; - Metadata, metadata_type, metadata_type, Target::AssocTy, GenericRequirement::None; - DynMetadata, dyn_metadata, dyn_metadata, Target::Struct, GenericRequirement::None; + PointeeTrait, sym::pointee_trait, pointee_trait, Target::Trait, GenericRequirement::None; + Metadata, sym::metadata_type, metadata_type, Target::AssocTy, GenericRequirement::None; + DynMetadata, sym::dyn_metadata, dyn_metadata, Target::Struct, GenericRequirement::None; - Freeze, freeze, freeze_trait, Target::Trait, GenericRequirement::Exact(0); + Freeze, sym::freeze, freeze_trait, Target::Trait, GenericRequirement::Exact(0); - Drop, drop, drop_trait, Target::Trait, GenericRequirement::None; - Destruct, destruct, destruct_trait, Target::Trait, GenericRequirement::None; + FnPtrTrait, sym::fn_ptr_trait, fn_ptr_trait, Target::Trait, GenericRequirement::Exact(0); + FnPtrAddr, sym::fn_ptr_addr, fn_ptr_addr, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; - CoerceUnsized, coerce_unsized, coerce_unsized_trait, Target::Trait, GenericRequirement::Minimum(1); - DispatchFromDyn, dispatch_from_dyn, dispatch_from_dyn_trait, Target::Trait, GenericRequirement::Minimum(1); + Drop, sym::drop, drop_trait, Target::Trait, GenericRequirement::None; + Destruct, sym::destruct, destruct_trait, Target::Trait, GenericRequirement::None; + + CoerceUnsized, sym::coerce_unsized, coerce_unsized_trait, Target::Trait, GenericRequirement::Minimum(1); + DispatchFromDyn, sym::dispatch_from_dyn, dispatch_from_dyn_trait, Target::Trait, GenericRequirement::Minimum(1); // language items relating to transmutability - TransmuteOpts, transmute_opts, transmute_opts, Target::Struct, GenericRequirement::Exact(0); - TransmuteTrait, transmute_trait, transmute_trait, Target::Trait, GenericRequirement::Exact(3); - - Add, add, add_trait, Target::Trait, GenericRequirement::Exact(1); - Sub, sub, sub_trait, Target::Trait, GenericRequirement::Exact(1); - Mul, mul, mul_trait, Target::Trait, GenericRequirement::Exact(1); - Div, div, div_trait, Target::Trait, GenericRequirement::Exact(1); - Rem, rem, rem_trait, Target::Trait, GenericRequirement::Exact(1); - Neg, neg, neg_trait, Target::Trait, GenericRequirement::Exact(0); - Not, not, not_trait, Target::Trait, GenericRequirement::Exact(0); - BitXor, bitxor, bitxor_trait, Target::Trait, GenericRequirement::Exact(1); - BitAnd, bitand, bitand_trait, Target::Trait, GenericRequirement::Exact(1); - BitOr, bitor, bitor_trait, Target::Trait, GenericRequirement::Exact(1); - Shl, shl, shl_trait, Target::Trait, GenericRequirement::Exact(1); - Shr, shr, shr_trait, Target::Trait, GenericRequirement::Exact(1); - AddAssign, add_assign, add_assign_trait, Target::Trait, GenericRequirement::Exact(1); - SubAssign, sub_assign, sub_assign_trait, Target::Trait, GenericRequirement::Exact(1); - MulAssign, mul_assign, mul_assign_trait, Target::Trait, GenericRequirement::Exact(1); - DivAssign, div_assign, div_assign_trait, Target::Trait, GenericRequirement::Exact(1); - RemAssign, rem_assign, rem_assign_trait, Target::Trait, GenericRequirement::Exact(1); - BitXorAssign, bitxor_assign, bitxor_assign_trait, Target::Trait, GenericRequirement::Exact(1); - BitAndAssign, bitand_assign, bitand_assign_trait, Target::Trait, GenericRequirement::Exact(1); - BitOrAssign, bitor_assign, bitor_assign_trait, Target::Trait, GenericRequirement::Exact(1); - ShlAssign, shl_assign, shl_assign_trait, Target::Trait, GenericRequirement::Exact(1); - ShrAssign, shr_assign, shr_assign_trait, Target::Trait, GenericRequirement::Exact(1); - Index, index, index_trait, Target::Trait, GenericRequirement::Exact(1); - IndexMut, index_mut, index_mut_trait, Target::Trait, GenericRequirement::Exact(1); - - UnsafeCell, unsafe_cell, unsafe_cell_type, Target::Struct, GenericRequirement::None; - VaList, va_list, va_list, Target::Struct, GenericRequirement::None; - - Deref, deref, deref_trait, Target::Trait, GenericRequirement::Exact(0); - DerefMut, deref_mut, deref_mut_trait, Target::Trait, GenericRequirement::Exact(0); - DerefTarget, deref_target, deref_target, Target::AssocTy, GenericRequirement::None; - Receiver, receiver, receiver_trait, Target::Trait, GenericRequirement::None; - - Fn, fn, fn_trait, Target::Trait, GenericRequirement::Exact(1); - FnMut, fn_mut, fn_mut_trait, Target::Trait, GenericRequirement::Exact(1); - FnOnce, fn_once, fn_once_trait, Target::Trait, GenericRequirement::Exact(1); - - FnOnceOutput, fn_once_output, fn_once_output, Target::AssocTy, GenericRequirement::None; - - Future, future_trait, future_trait, Target::Trait, GenericRequirement::Exact(0); - GeneratorState, generator_state, gen_state, Target::Enum, GenericRequirement::None; - Generator, generator, gen_trait, Target::Trait, GenericRequirement::Minimum(1); - Unpin, unpin, unpin_trait, Target::Trait, GenericRequirement::None; - Pin, pin, pin_type, Target::Struct, GenericRequirement::None; - - PartialEq, eq, eq_trait, Target::Trait, GenericRequirement::Exact(1); - PartialOrd, partial_ord, partial_ord_trait, Target::Trait, GenericRequirement::Exact(1); + TransmuteOpts, sym::transmute_opts, transmute_opts, Target::Struct, GenericRequirement::Exact(0); + TransmuteTrait, sym::transmute_trait, transmute_trait, Target::Trait, GenericRequirement::Exact(3); + + Add, sym::add, add_trait, Target::Trait, GenericRequirement::Exact(1); + Sub, sym::sub, sub_trait, Target::Trait, GenericRequirement::Exact(1); + Mul, sym::mul, mul_trait, Target::Trait, GenericRequirement::Exact(1); + Div, sym::div, div_trait, Target::Trait, GenericRequirement::Exact(1); + Rem, sym::rem, rem_trait, Target::Trait, GenericRequirement::Exact(1); + Neg, sym::neg, neg_trait, Target::Trait, GenericRequirement::Exact(0); + Not, sym::not, not_trait, Target::Trait, GenericRequirement::Exact(0); + BitXor, sym::bitxor, bitxor_trait, Target::Trait, GenericRequirement::Exact(1); + BitAnd, sym::bitand, bitand_trait, Target::Trait, GenericRequirement::Exact(1); + BitOr, sym::bitor, bitor_trait, Target::Trait, GenericRequirement::Exact(1); + Shl, sym::shl, shl_trait, Target::Trait, GenericRequirement::Exact(1); + Shr, sym::shr, shr_trait, Target::Trait, GenericRequirement::Exact(1); + AddAssign, sym::add_assign, add_assign_trait, Target::Trait, GenericRequirement::Exact(1); + SubAssign, sym::sub_assign, sub_assign_trait, Target::Trait, GenericRequirement::Exact(1); + MulAssign, sym::mul_assign, mul_assign_trait, Target::Trait, GenericRequirement::Exact(1); + DivAssign, sym::div_assign, div_assign_trait, Target::Trait, GenericRequirement::Exact(1); + RemAssign, sym::rem_assign, rem_assign_trait, Target::Trait, GenericRequirement::Exact(1); + BitXorAssign, sym::bitxor_assign, bitxor_assign_trait, Target::Trait, GenericRequirement::Exact(1); + BitAndAssign, sym::bitand_assign, bitand_assign_trait, Target::Trait, GenericRequirement::Exact(1); + BitOrAssign, sym::bitor_assign, bitor_assign_trait, Target::Trait, GenericRequirement::Exact(1); + ShlAssign, sym::shl_assign, shl_assign_trait, Target::Trait, GenericRequirement::Exact(1); + ShrAssign, sym::shr_assign, shr_assign_trait, Target::Trait, GenericRequirement::Exact(1); + Index, sym::index, index_trait, Target::Trait, GenericRequirement::Exact(1); + IndexMut, sym::index_mut, index_mut_trait, Target::Trait, GenericRequirement::Exact(1); + + UnsafeCell, sym::unsafe_cell, unsafe_cell_type, Target::Struct, GenericRequirement::None; + VaList, sym::va_list, va_list, Target::Struct, GenericRequirement::None; + + Deref, sym::deref, deref_trait, Target::Trait, GenericRequirement::Exact(0); + DerefMut, sym::deref_mut, deref_mut_trait, Target::Trait, GenericRequirement::Exact(0); + DerefTarget, sym::deref_target, deref_target, Target::AssocTy, GenericRequirement::None; + Receiver, sym::receiver, receiver_trait, Target::Trait, GenericRequirement::None; + + Fn, kw::fn, fn_trait, Target::Trait, GenericRequirement::Exact(1); + FnMut, sym::fn_mut, fn_mut_trait, Target::Trait, GenericRequirement::Exact(1); + FnOnce, sym::fn_once, fn_once_trait, Target::Trait, GenericRequirement::Exact(1); + + FnOnceOutput, sym::fn_once_output, fn_once_output, Target::AssocTy, GenericRequirement::None; + + Future, sym::future_trait, future_trait, Target::Trait, GenericRequirement::Exact(0); + GeneratorState, sym::generator_state, gen_state, Target::Enum, GenericRequirement::None; + Generator, sym::generator, gen_trait, Target::Trait, GenericRequirement::Minimum(1); + Unpin, sym::unpin, unpin_trait, Target::Trait, GenericRequirement::None; + Pin, sym::pin, pin_type, Target::Struct, GenericRequirement::None; + + PartialEq, sym::eq, eq_trait, Target::Trait, GenericRequirement::Exact(1); + PartialOrd, sym::partial_ord, partial_ord_trait, Target::Trait, GenericRequirement::Exact(1); + CVoid, sym::c_void, c_void, Target::Enum, GenericRequirement::None; // A number of panic-related lang items. The `panic` item corresponds to divide-by-zero and // various panic cases with `match`. The `panic_bounds_check` item is for indexing arrays. @@ -328,93 +332,103 @@ language_item_table! { // in the sense that a crate is not required to have it defined to use it, but a final product // is required to define it somewhere. Additionally, there are restrictions on crates that use // a weak lang item, but do not have it defined. - Panic, panic, panic_fn, Target::Fn, GenericRequirement::Exact(0); - PanicNounwind, panic_nounwind, panic_nounwind, Target::Fn, GenericRequirement::Exact(0); - PanicFmt, panic_fmt, panic_fmt, Target::Fn, GenericRequirement::None; - PanicDisplay, panic_display, panic_display, Target::Fn, GenericRequirement::None; - ConstPanicFmt, const_panic_fmt, const_panic_fmt, Target::Fn, GenericRequirement::None; - PanicBoundsCheck, panic_bounds_check, panic_bounds_check_fn, Target::Fn, GenericRequirement::Exact(0); - PanicInfo, panic_info, panic_info, Target::Struct, GenericRequirement::None; - PanicLocation, panic_location, panic_location, Target::Struct, GenericRequirement::None; - PanicImpl, panic_impl, panic_impl, Target::Fn, GenericRequirement::None; - PanicCannotUnwind, panic_cannot_unwind, panic_cannot_unwind, Target::Fn, GenericRequirement::Exact(0); + Panic, sym::panic, panic_fn, Target::Fn, GenericRequirement::Exact(0); + PanicNounwind, sym::panic_nounwind, panic_nounwind, Target::Fn, GenericRequirement::Exact(0); + PanicFmt, sym::panic_fmt, panic_fmt, Target::Fn, GenericRequirement::None; + PanicDisplay, sym::panic_display, panic_display, Target::Fn, GenericRequirement::None; + ConstPanicFmt, sym::const_panic_fmt, const_panic_fmt, Target::Fn, GenericRequirement::None; + PanicBoundsCheck, sym::panic_bounds_check, panic_bounds_check_fn, Target::Fn, GenericRequirement::Exact(0); + PanicMisalignedPointerDereference, sym::panic_misaligned_pointer_dereference, panic_misaligned_pointer_dereference_fn, Target::Fn, GenericRequirement::Exact(0); + PanicInfo, sym::panic_info, panic_info, Target::Struct, GenericRequirement::None; + PanicLocation, sym::panic_location, panic_location, Target::Struct, GenericRequirement::None; + PanicImpl, sym::panic_impl, panic_impl, Target::Fn, GenericRequirement::None; + PanicCannotUnwind, sym::panic_cannot_unwind, panic_cannot_unwind, Target::Fn, GenericRequirement::Exact(0); /// libstd panic entry point. Necessary for const eval to be able to catch it - BeginPanic, begin_panic, begin_panic_fn, Target::Fn, GenericRequirement::None; + BeginPanic, sym::begin_panic, begin_panic_fn, Target::Fn, GenericRequirement::None; + + // Lang items needed for `format_args!()`. + FormatAlignment, sym::format_alignment, format_alignment, Target::Enum, GenericRequirement::None; + FormatArgument, sym::format_argument, format_argument, Target::Struct, GenericRequirement::None; + FormatArguments, sym::format_arguments, format_arguments, Target::Struct, GenericRequirement::None; + FormatCount, sym::format_count, format_count, Target::Enum, GenericRequirement::None; + FormatPlaceholder, sym::format_placeholder, format_placeholder, Target::Struct, GenericRequirement::None; + FormatUnsafeArg, sym::format_unsafe_arg, format_unsafe_arg, Target::Struct, GenericRequirement::None; - ExchangeMalloc, exchange_malloc, exchange_malloc_fn, Target::Fn, GenericRequirement::None; - BoxFree, box_free, box_free_fn, Target::Fn, GenericRequirement::Minimum(1); - DropInPlace, drop_in_place, drop_in_place_fn, Target::Fn, GenericRequirement::Minimum(1); - AllocLayout, alloc_layout, alloc_layout, Target::Struct, GenericRequirement::None; + ExchangeMalloc, sym::exchange_malloc, exchange_malloc_fn, Target::Fn, GenericRequirement::None; + BoxFree, sym::box_free, box_free_fn, Target::Fn, GenericRequirement::Minimum(1); + DropInPlace, sym::drop_in_place, drop_in_place_fn, Target::Fn, GenericRequirement::Minimum(1); + AllocLayout, sym::alloc_layout, alloc_layout, Target::Struct, GenericRequirement::None; - Start, start, start_fn, Target::Fn, GenericRequirement::Exact(1); + Start, sym::start, start_fn, Target::Fn, GenericRequirement::Exact(1); - EhPersonality, eh_personality, eh_personality, Target::Fn, GenericRequirement::None; - EhCatchTypeinfo, eh_catch_typeinfo, eh_catch_typeinfo, Target::Static, GenericRequirement::None; + EhPersonality, sym::eh_personality, eh_personality, Target::Fn, GenericRequirement::None; + EhCatchTypeinfo, sym::eh_catch_typeinfo, eh_catch_typeinfo, Target::Static, GenericRequirement::None; - OwnedBox, owned_box, owned_box, Target::Struct, GenericRequirement::Minimum(1); + OwnedBox, sym::owned_box, owned_box, Target::Struct, GenericRequirement::Minimum(1); - PhantomData, phantom_data, phantom_data, Target::Struct, GenericRequirement::Exact(1); + PhantomData, sym::phantom_data, phantom_data, Target::Struct, GenericRequirement::Exact(1); - ManuallyDrop, manually_drop, manually_drop, Target::Struct, GenericRequirement::None; + ManuallyDrop, sym::manually_drop, manually_drop, Target::Struct, GenericRequirement::None; - MaybeUninit, maybe_uninit, maybe_uninit, Target::Union, GenericRequirement::None; + MaybeUninit, sym::maybe_uninit, maybe_uninit, Target::Union, GenericRequirement::None; /// Align offset for stride != 1; must not panic. - AlignOffset, align_offset, align_offset_fn, Target::Fn, GenericRequirement::None; + AlignOffset, sym::align_offset, align_offset_fn, Target::Fn, GenericRequirement::None; - Termination, termination, termination, Target::Trait, GenericRequirement::None; + Termination, sym::termination, termination, Target::Trait, GenericRequirement::None; - Try, Try, try_trait, Target::Trait, GenericRequirement::None; + Try, sym::Try, try_trait, Target::Trait, GenericRequirement::None; - Tuple, tuple_trait, tuple_trait, Target::Trait, GenericRequirement::Exact(0); + Tuple, sym::tuple_trait, tuple_trait, Target::Trait, GenericRequirement::Exact(0); - SliceLen, slice_len_fn, slice_len_fn, Target::Method(MethodKind::Inherent), GenericRequirement::None; + SliceLen, sym::slice_len_fn, slice_len_fn, Target::Method(MethodKind::Inherent), GenericRequirement::None; // Language items from AST lowering - TryTraitFromResidual, from_residual, from_residual_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; - TryTraitFromOutput, from_output, from_output_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; - TryTraitBranch, branch, branch_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; - TryTraitFromYeet, from_yeet, from_yeet_fn, Target::Fn, GenericRequirement::None; + TryTraitFromResidual, sym::from_residual, from_residual_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + TryTraitFromOutput, sym::from_output, from_output_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + TryTraitBranch, sym::branch, branch_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + TryTraitFromYeet, sym::from_yeet, from_yeet_fn, Target::Fn, GenericRequirement::None; - PointerSized, pointer_sized, pointer_sized, Target::Trait, GenericRequirement::Exact(0); + PointerLike, sym::pointer_like, pointer_like, Target::Trait, GenericRequirement::Exact(0); - Poll, Poll, poll, Target::Enum, GenericRequirement::None; - PollReady, Ready, poll_ready_variant, Target::Variant, GenericRequirement::None; - PollPending, Pending, poll_pending_variant, Target::Variant, GenericRequirement::None; + ConstParamTy, sym::const_param_ty, const_param_ty_trait, Target::Trait, GenericRequirement::Exact(0); + + Poll, sym::Poll, poll, Target::Enum, GenericRequirement::None; + PollReady, sym::Ready, poll_ready_variant, Target::Variant, GenericRequirement::None; + PollPending, sym::Pending, poll_pending_variant, Target::Variant, GenericRequirement::None; // FIXME(swatinem): the following lang items are used for async lowering and // should become obsolete eventually. - ResumeTy, ResumeTy, resume_ty, Target::Struct, GenericRequirement::None; - IdentityFuture, identity_future, identity_future_fn, Target::Fn, GenericRequirement::None; - GetContext, get_context, get_context_fn, Target::Fn, GenericRequirement::None; - - Context, Context, context, Target::Struct, GenericRequirement::None; - FuturePoll, poll, future_poll_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + ResumeTy, sym::ResumeTy, resume_ty, Target::Struct, GenericRequirement::None; + GetContext, sym::get_context, get_context_fn, Target::Fn, GenericRequirement::None; - FromFrom, from, from_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + Context, sym::Context, context, Target::Struct, GenericRequirement::None; + FuturePoll, sym::poll, future_poll_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; - OptionSome, Some, option_some_variant, Target::Variant, GenericRequirement::None; - OptionNone, None, option_none_variant, Target::Variant, GenericRequirement::None; + Option, sym::Option, option_type, Target::Enum, GenericRequirement::None; + OptionSome, sym::Some, option_some_variant, Target::Variant, GenericRequirement::None; + OptionNone, sym::None, option_none_variant, Target::Variant, GenericRequirement::None; - ResultOk, Ok, result_ok_variant, Target::Variant, GenericRequirement::None; - ResultErr, Err, result_err_variant, Target::Variant, GenericRequirement::None; + ResultOk, sym::Ok, result_ok_variant, Target::Variant, GenericRequirement::None; + ResultErr, sym::Err, result_err_variant, Target::Variant, GenericRequirement::None; - ControlFlowContinue, Continue, cf_continue_variant, Target::Variant, GenericRequirement::None; - ControlFlowBreak, Break, cf_break_variant, Target::Variant, GenericRequirement::None; + ControlFlowContinue, sym::Continue, cf_continue_variant, Target::Variant, GenericRequirement::None; + ControlFlowBreak, sym::Break, cf_break_variant, Target::Variant, GenericRequirement::None; - IntoFutureIntoFuture, into_future, into_future_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; - IntoIterIntoIter, into_iter, into_iter_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; - IteratorNext, next, next_fn, Target::Method(MethodKind::Trait { body: false}), GenericRequirement::None; + IntoFutureIntoFuture, sym::into_future, into_future_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + IntoIterIntoIter, sym::into_iter, into_iter_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + IteratorNext, sym::next, next_fn, Target::Method(MethodKind::Trait { body: false}), GenericRequirement::None; - PinNewUnchecked, new_unchecked, new_unchecked_fn, Target::Method(MethodKind::Inherent), GenericRequirement::None; + PinNewUnchecked, sym::new_unchecked, new_unchecked_fn, Target::Method(MethodKind::Inherent), GenericRequirement::None; - RangeFrom, RangeFrom, range_from_struct, Target::Struct, GenericRequirement::None; - RangeFull, RangeFull, range_full_struct, Target::Struct, GenericRequirement::None; - RangeInclusiveStruct, RangeInclusive, range_inclusive_struct, Target::Struct, GenericRequirement::None; - RangeInclusiveNew, range_inclusive_new, range_inclusive_new_method, Target::Method(MethodKind::Inherent), GenericRequirement::None; - Range, Range, range_struct, Target::Struct, GenericRequirement::None; - RangeToInclusive, RangeToInclusive, range_to_inclusive_struct, Target::Struct, GenericRequirement::None; - RangeTo, RangeTo, range_to_struct, Target::Struct, GenericRequirement::None; + RangeFrom, sym::RangeFrom, range_from_struct, Target::Struct, GenericRequirement::None; + RangeFull, sym::RangeFull, range_full_struct, Target::Struct, GenericRequirement::None; + RangeInclusiveStruct, sym::RangeInclusive, range_inclusive_struct, Target::Struct, GenericRequirement::None; + RangeInclusiveNew, sym::range_inclusive_new, range_inclusive_new_method, Target::Method(MethodKind::Inherent), GenericRequirement::None; + Range, sym::Range, range_struct, Target::Struct, GenericRequirement::None; + RangeToInclusive, sym::RangeToInclusive, range_to_inclusive_struct, Target::Struct, GenericRequirement::None; + RangeTo, sym::RangeTo, range_to_struct, Target::Struct, GenericRequirement::None; - String, String, string, Target::Struct, GenericRequirement::None; + String, sym::String, string, Target::Struct, GenericRequirement::None; + CStr, sym::CStr, c_str, Target::Struct, GenericRequirement::None; } diff --git a/crates/hir-ty/src/consteval/tests.rs b/crates/hir-ty/src/consteval/tests.rs index 2c0e77b2e78..5ab1f970201 100644 --- a/crates/hir-ty/src/consteval/tests.rs +++ b/crates/hir-ty/src/consteval/tests.rs @@ -1884,6 +1884,38 @@ fn byte_string() { } #[test] +fn c_string() { + check_number( + r#" +//- minicore: index, slice +#[lang = "CStr"] +pub struct CStr { + inner: [u8] +} +const GOAL: u8 = { + let a = c"hello"; + a.inner[0] +}; + "#, + 104, + ); + check_number( + r#" +//- minicore: index, slice +#[lang = "CStr"] +pub struct CStr { + inner: [u8] +} +const GOAL: u8 = { + let a = c"hello"; + a.inner[6] +}; + "#, + 0, + ); +} + +#[test] fn consts() { check_number( r#" diff --git a/crates/hir-ty/src/infer/expr.rs b/crates/hir-ty/src/infer/expr.rs index 0d685b9ef55..3261c22313b 100644 --- a/crates/hir-ty/src/infer/expr.rs +++ b/crates/hir-ty/src/infer/expr.rs @@ -13,7 +13,7 @@ use hir_def::{ hir::{ ArithOp, Array, BinaryOp, ClosureKind, Expr, ExprId, LabelId, Literal, Statement, UnaryOp, }, - lang_item::LangItem, + lang_item::{LangItem, LangItemTarget}, path::{GenericArg, GenericArgs}, BlockId, ConstParamId, FieldId, ItemContainerId, Lookup, }; @@ -832,6 +832,20 @@ impl<'a> InferenceContext<'a> { let array_type = TyKind::Array(byte_type, len).intern(Interner); TyKind::Ref(Mutability::Not, static_lifetime(), array_type).intern(Interner) } + Literal::CString(..) => TyKind::Ref( + Mutability::Not, + static_lifetime(), + self.resolve_lang_item(LangItem::CStr) + .and_then(LangItemTarget::as_struct) + .map_or_else( + || self.err_ty(), + |strukt| { + TyKind::Adt(AdtId(strukt.into()), Substitution::empty(Interner)) + .intern(Interner) + }, + ), + ) + .intern(Interner), Literal::Char(..) => TyKind::Scalar(Scalar::Char).intern(Interner), Literal::Int(_v, ty) => match ty { Some(int_ty) => { diff --git a/crates/hir-ty/src/infer/pat.rs b/crates/hir-ty/src/infer/pat.rs index 80a0d309012..dd56dc3d9c2 100644 --- a/crates/hir-ty/src/infer/pat.rs +++ b/crates/hir-ty/src/infer/pat.rs @@ -428,9 +428,10 @@ fn is_non_ref_pat(body: &hir_def::body::Body, pat: PatId) -> bool { // FIXME: ConstBlock/Path/Lit might actually evaluate to ref, but inference is unimplemented. Pat::Path(..) => true, Pat::ConstBlock(..) => true, - Pat::Lit(expr) => { - !matches!(body[*expr], Expr::Literal(Literal::String(..) | Literal::ByteString(..))) - } + Pat::Lit(expr) => !matches!( + body[*expr], + Expr::Literal(Literal::String(..) | Literal::CString(..) | Literal::ByteString(..)) + ), Pat::Wild | Pat::Bind { .. } | Pat::Ref { .. } | Pat::Box { .. } | Pat::Missing => false, } } diff --git a/crates/hir-ty/src/mir/lower.rs b/crates/hir-ty/src/mir/lower.rs index 6f57cf4df38..4bf8070fa46 100644 --- a/crates/hir-ty/src/mir/lower.rs +++ b/crates/hir-ty/src/mir/lower.rs @@ -1133,15 +1133,26 @@ impl<'ctx> MirLowerCtx<'ctx> { let bytes = match l { hir_def::hir::Literal::String(b) => { let b = b.as_bytes(); - let mut data = vec![]; + let mut data = Vec::with_capacity(mem::size_of::<usize>() * 2); data.extend(0usize.to_le_bytes()); data.extend(b.len().to_le_bytes()); let mut mm = MemoryMap::default(); mm.insert(0, b.to_vec()); return Ok(Operand::from_concrete_const(data, mm, ty)); } + hir_def::hir::Literal::CString(b) => { + let b = b.as_bytes(); + let bytes = b.iter().copied().chain(iter::once(0)).collect::<Vec<_>>(); + + let mut data = Vec::with_capacity(mem::size_of::<usize>() * 2); + data.extend(0usize.to_le_bytes()); + data.extend(bytes.len().to_le_bytes()); + let mut mm = MemoryMap::default(); + mm.insert(0, bytes); + return Ok(Operand::from_concrete_const(data, mm, ty)); + } hir_def::hir::Literal::ByteString(b) => { - let mut data = vec![]; + let mut data = Vec::with_capacity(mem::size_of::<usize>() * 2); data.extend(0usize.to_le_bytes()); data.extend(b.len().to_le_bytes()); let mut mm = MemoryMap::default(); diff --git a/crates/hir-ty/src/tests/simple.rs b/crates/hir-ty/src/tests/simple.rs index f92589ea77c..3ece40486dd 100644 --- a/crates/hir-ty/src/tests/simple.rs +++ b/crates/hir-ty/src/tests/simple.rs @@ -3572,3 +3572,18 @@ fn main() { "#, ); } + +#[test] +fn cstring_literals() { + check_types( + r#" +#[lang = "CStr"] +pub struct CStr; + +fn main() { + c"ello"; + //^^^^^^^ &CStr +} +"#, + ); +} diff --git a/crates/ide-assists/src/handlers/raw_string.rs b/crates/ide-assists/src/handlers/raw_string.rs index 01420430bb4..40ee4771d17 100644 --- a/crates/ide-assists/src/handlers/raw_string.rs +++ b/crates/ide-assists/src/handlers/raw_string.rs @@ -20,6 +20,7 @@ use crate::{utils::required_hashes, AssistContext, AssistId, AssistKind, Assists // } // ``` pub(crate) fn make_raw_string(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { + // FIXME: This should support byte and c strings as well. let token = ctx.find_token_at_offset::<ast::String>()?; if token.is_raw() { return None; diff --git a/crates/ide/src/extend_selection.rs b/crates/ide/src/extend_selection.rs index 9f78c75e90a..f9061822244 100644 --- a/crates/ide/src/extend_selection.rs +++ b/crates/ide/src/extend_selection.rs @@ -39,7 +39,7 @@ fn try_extend_selection( ) -> Option<TextRange> { let range = frange.range; - let string_kinds = [COMMENT, STRING, BYTE_STRING]; + let string_kinds = [COMMENT, STRING, BYTE_STRING, C_STRING]; let list_kinds = [ RECORD_PAT_FIELD_LIST, MATCH_ARM_LIST, diff --git a/crates/ide/src/syntax_highlighting.rs b/crates/ide/src/syntax_highlighting.rs index 751e51da0d2..8c02fe81648 100644 --- a/crates/ide/src/syntax_highlighting.rs +++ b/crates/ide/src/syntax_highlighting.rs @@ -16,7 +16,10 @@ mod tests; use hir::{Name, Semantics}; use ide_db::{FxHashMap, RootDatabase, SymbolKind}; use syntax::{ - ast, AstNode, AstToken, NodeOrToken, SyntaxKind::*, SyntaxNode, TextRange, WalkEvent, T, + ast::{self, IsString}, + AstNode, AstToken, NodeOrToken, + SyntaxKind::*, + SyntaxNode, TextRange, WalkEvent, T, }; use crate::{ @@ -440,7 +443,17 @@ fn traverse( && ast::ByteString::can_cast(descended_token.kind()) { if let Some(byte_string) = ast::ByteString::cast(token) { - highlight_escape_string(hl, &byte_string, range.start()); + if !byte_string.is_raw() { + highlight_escape_string(hl, &byte_string, range.start()); + } + } + } else if ast::CString::can_cast(token.kind()) + && ast::CString::can_cast(descended_token.kind()) + { + if let Some(c_string) = ast::CString::cast(token) { + if !c_string.is_raw() { + highlight_escape_string(hl, &c_string, range.start()); + } } } else if ast::Char::can_cast(token.kind()) && ast::Char::can_cast(descended_token.kind()) diff --git a/crates/ide/src/syntax_highlighting/highlight.rs b/crates/ide/src/syntax_highlighting/highlight.rs index 936362914ae..925057ffaa0 100644 --- a/crates/ide/src/syntax_highlighting/highlight.rs +++ b/crates/ide/src/syntax_highlighting/highlight.rs @@ -26,7 +26,7 @@ pub(super) fn token(sema: &Semantics<'_, RootDatabase>, token: SyntaxToken) -> O } let highlight: Highlight = match token.kind() { - STRING | BYTE_STRING => HlTag::StringLiteral.into(), + STRING | BYTE_STRING | C_STRING => HlTag::StringLiteral.into(), INT_NUMBER if token.parent_ancestors().nth(1).map(|it| it.kind()) == Some(FIELD_EXPR) => { SymbolKind::Field.into() } diff --git a/crates/ide/src/syntax_tree.rs b/crates/ide/src/syntax_tree.rs index bb6827e8a44..df197124265 100644 --- a/crates/ide/src/syntax_tree.rs +++ b/crates/ide/src/syntax_tree.rs @@ -1,5 +1,7 @@ -use ide_db::base_db::{FileId, SourceDatabase}; -use ide_db::RootDatabase; +use ide_db::{ + base_db::{FileId, SourceDatabase}, + RootDatabase, +}; use syntax::{ AstNode, NodeOrToken, SourceFile, SyntaxKind::STRING, SyntaxToken, TextRange, TextSize, }; diff --git a/crates/parser/src/grammar/expressions/atom.rs b/crates/parser/src/grammar/expressions/atom.rs index d051dd2682f..3cf9c4dd4b0 100644 --- a/crates/parser/src/grammar/expressions/atom.rs +++ b/crates/parser/src/grammar/expressions/atom.rs @@ -12,6 +12,8 @@ use super::*; // let _ = r"d"; // let _ = b"e"; // let _ = br"f"; +// let _ = c"g"; +// let _ = cr"h"; // } pub(crate) const LITERAL_FIRST: TokenSet = TokenSet::new(&[ T![true], @@ -22,6 +24,7 @@ pub(crate) const LITERAL_FIRST: TokenSet = TokenSet::new(&[ CHAR, STRING, BYTE_STRING, + C_STRING, ]); pub(crate) fn literal(p: &mut Parser<'_>) -> Option<CompletedMarker> { diff --git a/crates/parser/src/grammar/generic_args.rs b/crates/parser/src/grammar/generic_args.rs index b7d72b8d336..e589b69934d 100644 --- a/crates/parser/src/grammar/generic_args.rs +++ b/crates/parser/src/grammar/generic_args.rs @@ -28,6 +28,7 @@ const GENERIC_ARG_FIRST: TokenSet = TokenSet::new(&[ BYTE, STRING, BYTE_STRING, + C_STRING, ]) .union(types::TYPE_FIRST); diff --git a/crates/parser/src/lexed_str.rs b/crates/parser/src/lexed_str.rs index ace6985a583..e4dce21f32a 100644 --- a/crates/parser/src/lexed_str.rs +++ b/crates/parser/src/lexed_str.rs @@ -277,7 +277,7 @@ impl<'a> Converter<'a> { if !terminated { err = "Missing trailing `\"` symbol to terminate the string literal"; } - STRING + C_STRING } rustc_lexer::LiteralKind::RawStr { n_hashes } => { if n_hashes.is_none() { @@ -295,7 +295,7 @@ impl<'a> Converter<'a> { if n_hashes.is_none() { err = "Invalid raw string literal"; } - STRING + C_STRING } }; diff --git a/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast b/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast index 403c265ea35..fe73d9dfe4a 100644 --- a/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast +++ b/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast @@ -131,6 +131,30 @@ SOURCE_FILE LITERAL BYTE_STRING "br\"f\"" SEMICOLON ";" + WHITESPACE "\n " + LET_STMT + LET_KW "let" + WHITESPACE " " + WILDCARD_PAT + UNDERSCORE "_" + WHITESPACE " " + EQ "=" + WHITESPACE " " + LITERAL + C_STRING "c\"g\"" + SEMICOLON ";" + WHITESPACE "\n " + LET_STMT + LET_KW "let" + WHITESPACE " " + WILDCARD_PAT + UNDERSCORE "_" + WHITESPACE " " + EQ "=" + WHITESPACE " " + LITERAL + C_STRING "cr\"h\"" + SEMICOLON ";" WHITESPACE "\n" R_CURLY "}" WHITESPACE "\n" diff --git a/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rs b/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rs index 2e11a5a6e68..e7f235a83b9 100644 --- a/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rs +++ b/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rs @@ -9,4 +9,6 @@ fn foo() { let _ = r"d"; let _ = b"e"; let _ = br"f"; + let _ = c"g"; + let _ = cr"h"; } diff --git a/crates/syntax/src/ast/expr_ext.rs b/crates/syntax/src/ast/expr_ext.rs index c43d0830b9e..1eef2861165 100644 --- a/crates/syntax/src/ast/expr_ext.rs +++ b/crates/syntax/src/ast/expr_ext.rs @@ -288,6 +288,7 @@ impl ast::ArrayExpr { pub enum LiteralKind { String(ast::String), ByteString(ast::ByteString), + CString(ast::CString), IntNumber(ast::IntNumber), FloatNumber(ast::FloatNumber), Char(ast::Char), @@ -319,6 +320,9 @@ impl ast::Literal { if let Some(t) = ast::ByteString::cast(token.clone()) { return LiteralKind::ByteString(t); } + if let Some(t) = ast::CString::cast(token.clone()) { + return LiteralKind::CString(t); + } if let Some(t) = ast::Char::cast(token.clone()) { return LiteralKind::Char(t); } diff --git a/crates/syntax/src/ast/generated/tokens.rs b/crates/syntax/src/ast/generated/tokens.rs index a3209c5abd2..f5863e9efe0 100644 --- a/crates/syntax/src/ast/generated/tokens.rs +++ b/crates/syntax/src/ast/generated/tokens.rs @@ -91,6 +91,27 @@ impl AstToken for ByteString { } #[derive(Debug, Clone, PartialEq, Eq, Hash)] +pub struct CString { + pub(crate) syntax: SyntaxToken, +} +impl std::fmt::Display for CString { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + std::fmt::Display::fmt(&self.syntax, f) + } +} +impl AstToken for CString { + fn can_cast(kind: SyntaxKind) -> bool { kind == C_STRING } + fn cast(syntax: SyntaxToken) -> Option<Self> { + if Self::can_cast(syntax.kind()) { + Some(Self { syntax }) + } else { + None + } + } + fn syntax(&self) -> &SyntaxToken { &self.syntax } +} + +#[derive(Debug, Clone, PartialEq, Eq, Hash)] pub struct IntNumber { pub(crate) syntax: SyntaxToken, } diff --git a/crates/syntax/src/ast/token_ext.rs b/crates/syntax/src/ast/token_ext.rs index 2cd312e7f4f..090eb89f470 100644 --- a/crates/syntax/src/ast/token_ext.rs +++ b/crates/syntax/src/ast/token_ext.rs @@ -145,6 +145,10 @@ impl QuoteOffsets { } pub trait IsString: AstToken { + const RAW_PREFIX: &'static str; + fn is_raw(&self) -> bool { + self.text().starts_with(Self::RAW_PREFIX) + } fn quote_offsets(&self) -> Option<QuoteOffsets> { let text = self.text(); let offsets = QuoteOffsets::new(text)?; @@ -183,20 +187,18 @@ pub trait IsString: AstToken { cb(text_range + offset, unescaped_char); }); } -} - -impl IsString for ast::String {} - -impl ast::String { - pub fn is_raw(&self) -> bool { - self.text().starts_with('r') - } - pub fn map_range_up(&self, range: TextRange) -> Option<TextRange> { + fn map_range_up(&self, range: TextRange) -> Option<TextRange> { let contents_range = self.text_range_between_quotes()?; assert!(TextRange::up_to(contents_range.len()).contains_range(range)); Some(range + contents_range.start()) } +} +impl IsString for ast::String { + const RAW_PREFIX: &'static str = "r"; +} + +impl ast::String { pub fn value(&self) -> Option<Cow<'_, str>> { if self.is_raw() { let text = self.text(); @@ -235,13 +237,11 @@ impl ast::String { } } -impl IsString for ast::ByteString {} +impl IsString for ast::ByteString { + const RAW_PREFIX: &'static str = "br"; +} impl ast::ByteString { - pub fn is_raw(&self) -> bool { - self.text().starts_with("br") - } - pub fn value(&self) -> Option<Cow<'_, [u8]>> { if self.is_raw() { let text = self.text(); @@ -280,6 +280,49 @@ impl ast::ByteString { } } +impl IsString for ast::CString { + const RAW_PREFIX: &'static str = "cr"; +} + +impl ast::CString { + pub fn value(&self) -> Option<Cow<'_, str>> { + if self.is_raw() { + let text = self.text(); + let text = + &text[self.text_range_between_quotes()? - self.syntax().text_range().start()]; + return Some(Cow::Borrowed(text)); + } + + let text = self.text(); + let text = &text[self.text_range_between_quotes()? - self.syntax().text_range().start()]; + + let mut buf = String::new(); + let mut prev_end = 0; + let mut has_error = false; + unescape_literal(text, Mode::Str, &mut |char_range, unescaped_char| match ( + unescaped_char, + buf.capacity() == 0, + ) { + (Ok(c), false) => buf.push(c), + (Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => { + prev_end = char_range.end + } + (Ok(c), true) => { + buf.reserve_exact(text.len()); + buf.push_str(&text[..prev_end]); + buf.push(c); + } + (Err(_), _) => has_error = true, + }); + + match (has_error, buf.capacity() == 0) { + (true, _) => None, + (false, true) => Some(Cow::Borrowed(text)), + (false, false) => Some(Cow::Owned(buf)), + } + } +} + impl ast::IntNumber { pub fn radix(&self) -> Radix { match self.text().get(..2).unwrap_or_default() { diff --git a/crates/syntax/src/parsing/reparsing.rs b/crates/syntax/src/parsing/reparsing.rs index f3d644c680e..45e59160982 100644 --- a/crates/syntax/src/parsing/reparsing.rs +++ b/crates/syntax/src/parsing/reparsing.rs @@ -39,7 +39,7 @@ fn reparse_token( let prev_token = root.covering_element(edit.delete).as_token()?.clone(); let prev_token_kind = prev_token.kind(); match prev_token_kind { - WHITESPACE | COMMENT | IDENT | STRING => { + WHITESPACE | COMMENT | IDENT | STRING | BYTE_STRING | C_STRING => { if prev_token_kind == WHITESPACE || prev_token_kind == COMMENT { // removing a new line may extends previous token let deleted_range = edit.delete - prev_token.text_range().start(); diff --git a/crates/syntax/src/tests/sourcegen_ast.rs b/crates/syntax/src/tests/sourcegen_ast.rs index 77a8363a185..c49c5fa108b 100644 --- a/crates/syntax/src/tests/sourcegen_ast.rs +++ b/crates/syntax/src/tests/sourcegen_ast.rs @@ -573,10 +573,11 @@ impl Field { fn lower(grammar: &Grammar) -> AstSrc { let mut res = AstSrc { - tokens: "Whitespace Comment String ByteString IntNumber FloatNumber Char Byte Ident" - .split_ascii_whitespace() - .map(|it| it.to_string()) - .collect::<Vec<_>>(), + tokens: + "Whitespace Comment String ByteString CString IntNumber FloatNumber Char Byte Ident" + .split_ascii_whitespace() + .map(|it| it.to_string()) + .collect::<Vec<_>>(), ..Default::default() }; diff --git a/crates/syntax/src/validation.rs b/crates/syntax/src/validation.rs index 089ad74dadc..e0ec6a242ff 100644 --- a/crates/syntax/src/validation.rs +++ b/crates/syntax/src/validation.rs @@ -9,7 +9,7 @@ use rustc_lexer::unescape::{self, unescape_literal, Mode}; use crate::{ algo, - ast::{self, HasAttrs, HasVisibility}, + ast::{self, HasAttrs, HasVisibility, IsString}, match_ast, AstNode, SyntaxError, SyntaxKind::{CONST, FN, INT_NUMBER, TYPE_ALIAS}, SyntaxNode, SyntaxToken, TextSize, T, @@ -156,6 +156,17 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) { } } } + ast::LiteralKind::CString(s) => { + if !s.is_raw() { + if let Some(without_quotes) = unquote(text, 2, '"') { + unescape_literal(without_quotes, Mode::ByteStr, &mut |range, char| { + if let Err(err) = char { + push_err(1, range.start, err); + } + }); + } + } + } ast::LiteralKind::Char(_) => { if let Some(without_quotes) = unquote(text, 1, '\'') { unescape_literal(without_quotes, Mode::Char, &mut |range, char| { |