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/linux/rust/proc-macro2/
H A Dparse.rs20 let (_front, rest) = self.rest.split_at(bytes); in advance()
80 let mut s = input; in skip_whitespace()
83 let byte = s.as_bytes()[0]; in skip_whitespace()
89 let (cursor, _) = take_until_newline_or_eof(s); in skip_whitespace()
115 let ch = s.chars().next().unwrap(); in skip_whitespace()
132 let mut depth = 0usize; in block_comment()
133 let bytes = input.as_bytes(); in block_comment()
134 let mut i = 0usize; in block_comment()
135 let upper = bytes.len() - 1; in block_comment()
171 let mut trees = TokenStreamBuilder::new(); in token_stream()
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H A Dfallback.rs78 let mut cursor = get_cursor(src); in from_str_checked()
99 let nodrop = ManuallyDrop::new(self); in take_inner()
122 let mut punct = crate::Punct::new('-', Spacing::Alone); in push_token_from_proc_macro()
132 let mut stack = Vec::new(); in drop()
133 let mut current = match self.inner.get_mut() { in drop()
138 while let Some(token) = current.next() { in drop()
139 let group = match token { in drop()
144 let group = match group { in drop()
148 let mut group = group; in drop()
149 if let Some(inner) = group.stream.inner.get_mut() { in drop()
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/linux/tools/memory-model/
H A Dlinux-kernel.cat28 let acq-po = [Acquire] ; po ; [M]
29 let po-rel = [M] ; po ; [Release]
30 let po-unlock-lock-po = po ; [UL] ; (po|rf) ; [LKR] ; po
33 let R4rmb = R \ Noreturn (* Reads for which rmb works *)
34 let rmb = [R4rmb] ; fencerel(Rmb) ; [R4rmb]
35 let wmb = [W] ; fencerel(Wmb) ; [W]
36 let mb = ([M] ; fencerel(Mb) ; [M]) |
64 let gp = po ; [Sync-rcu | Sync-srcu] ; po?
65 let strong-fence = mb | gp
67 let nonr
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H A Dlock.cat33 let RL = try RL with emptyset
34 let RU = try RU with emptyset
37 let LF = LF | RL
40 let ALL-LOCKS = LKR | LKW | UL | LF | RU | Srcu-lock | Srcu-unlock | Sync-srcu
44 let lk-rmw = ([LKR] ; po-loc ; [LKW]) \ (po ; po)
45 let rmw = rmw | lk-rmw
70 let R = R | LKR | LF | RU
71 let W = W | LKW
73 let Release = Release | UL
74 let Acquire = Acquire | LKR
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/linux/rust/syn/
H A Ditem.rs814 let arg = self.inputs.first()?; in receiver()
942 let begin = input.fork(); in parse()
943 let attrs = input.call(Attribute::parse_outer)?; in parse()
953 let ahead = input.fork(); in parse_rest_of_item()
954 let vis: Visibility = ahead.parse()?; in parse_rest_of_item()
956 let lookahead = ahead.lookahead1(); in parse_rest_of_item()
957 let allow_safe = false; in parse_rest_of_item()
958 let mut item = if lookahead.peek(Token![fn]) || peek_signature(&ahead, allow_safe) { in parse_rest_of_item()
959 let vis: Visibility = input.parse()?; in parse_rest_of_item()
960 let sig: Signature = input.parse()?; in parse_rest_of_item()
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H A Dty.rs300 let allow_plus = true; in parse()
301 let allow_group_generic = true; in parse()
314 let allow_plus = false; in without_plus()
315 let allow_group_generic = true; in without_plus()
325 let begin = input.fork(); in ambig_ty()
328 let mut group: TypeGroup = input.parse()?; in ambig_ty()
330 if let Type::Path(mut ty) = *group.elem { in ambig_ty()
348 if let Type::Path(mut ty) = *group.elem { in ambig_ty()
349 let arguments = &mut ty.path.segments.last_mut().unwrap().arguments; in ambig_ty()
362 let mut lifetimes = None::<BoundLifetimes>; in ambig_ty()
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H A Dstmt.rs24 /// A local (let) binding.
36 /// macro would expand to. It can be any of local variable (`let`),
43 /// A local `let` binding: `let x: u64 = s.parse()?;`.
47 pub let_token: Token![let],
55 /// The expression assigned in a local `let` binding, including optional
58 /// `LocalInit` represents `= s.parse()?` in `let x: u64 = s.parse()?` and
59 /// `= r else { return }` in `let Ok(x) = r else { return }`.
72 /// would expand to. It can be any of local variable (`let`), item, or
115 /// // let mut x = 1;
129 /// let outer_attrs = input.call(Attribute::parse_outer)?;
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H A Dlit.rs136 let mut token = Literal::string(value); in new()
147 let repr = self.repr.token.to_string(); in value()
148 let (value, _suffix) = value::parse_lit_str(&repr); in value()
171 /// if let Meta::NameValue(meta) = &attr.meta {
172 /// if let Expr::Lit(expr) = &meta.value {
173 /// if let Lit::Str(lit_str) = &expr.lit {
179 /// let message = "expected #[path = \"...\"]";
200 /// # let lit_str = LitStr::new("a::b::c", Span::call_site());
203 /// let lit_str: LitStr = /* ... */;
208 /// let basic_path = lit_str.parse_with(syn::Path::parse_mod_style)?;
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H A Dexpr.rs53 /// let expr: Expr = /* ... */;
103 /// // assigning `*discriminant.base` without an `if let`.
104 /// if let Expr::Tuple(base) = *discriminant.base {
179 /// A `let` guard: `let Some(x) = opt`.
180 Let(ExprLet),
484 /// A `let` guard: `let Some(x) = opt`.
488 pub let_token: Token![let],
727 /// while let Expr::Paren(paren) = e {
733 /// let mut e: Expr = parse_quote! { ((1 + 1)) };
767 /// let _ = *S {};
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H A Dderive.rs84 let attrs = input.call(Attribute::parse_outer)?; in parse()
85 let vis = input.parse::<Visibility>()?; in parse()
87 let lookahead = input.lookahead1(); in parse()
89 let struct_token = input.parse::<Token![struct]>()?; in parse()
90 let ident = input.parse::<Ident>()?; in parse()
91 let generics = input.parse::<Generics>()?; in parse()
92 let (where_clause, fields, semi) = data_struct(input)?; in parse()
108 let enum_token = input.parse::<Token![enum]>()?; in parse()
109 let ident = input.parse::<Ident>()?; in parse()
110 let generics = input.parse::<Generics>()?; in parse()
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/linux/rust/zerocopy-derive/derive/
H A Dtry_from_bytes.rs33 let tags = data.variants.iter().map(|v| { in generate_tag_consts()
34 let variant_ident = &v.ident; in generate_tag_consts()
35 let tag_ident = tag_ident(variant_ident); in generate_tag_consts()
79 let (impl_generics, ty_generics, where_clause) = ctx.ast.generics.split_for_impl(); in generate_variant_structs()
81 let enum_name = &ctx.ast.ident; in generate_variant_structs()
86 let core = ctx.core_path(); in generate_variant_structs()
87 let phantom_ty = quote! { in generate_variant_structs()
91 let variant_structs = data.variants.iter().filter_map(|variant| { in generate_variant_structs()
98 let variant_struct_ident = variant_struct_ident(&variant.ident); in generate_variant_structs()
99 let field_types = variant.fields.iter().map(|f| &f.ty); in generate_variant_structs()
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H A Dknown_layout.rs17 let (trailing_field, leading_fields) = fields.split_last()?; in derive_known_layout_for_repr_c_struct()
19 let (_vis, trailing_field_name, trailing_field_ty) = trailing_field; in derive_known_layout_for_repr_c_struct()
20 let leading_fields_tys = leading_fields.iter().map(|(_vis, _name, ty)| ty); in derive_known_layout_for_repr_c_struct()
22 let core = ctx.core_path(); in derive_known_layout_for_repr_c_struct()
23 let repr_align = repr in derive_known_layout_for_repr_c_struct()
26 let align = align.t.get(); in derive_known_layout_for_repr_c_struct()
30 let repr_packed = repr in derive_known_layout_for_repr_c_struct()
33 let packed = packed.get(); in derive_known_layout_for_repr_c_struct()
38 let zerocopy_crate = &ctx.zerocopy_crate; in derive_known_layout_for_repr_c_struct()
39 let make_methods = |trailing_field_ty| { in derive_known_layout_for_repr_c_struct()
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/linux/rust/macros/
H A Dfmt.rs10 let mut input = input.into_iter(); in fmt()
12 let first_opt = input.next(); in fmt()
13 let first_owned_str; in fmt()
14 let mut names = BTreeSet::new(); in fmt()
15 let first_span = { in fmt()
16 let Some((mut first_str, first_span)) = (match first_opt.as_ref() { in fmt()
20 let first = first.strip_prefix('"')?; in fmt()
21 let first = first.strip_suffix('"')?; in fmt()
33 while let Some((_, rest)) = first_str.split_once('{') { in fmt()
35 if let Som in fmt()
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/linux/rust/pin-init/internal/src/
H A Dinit.rs85 let error = error.map_or_else(
87 if let Some(default_error) = attrs.iter().fold(None, |acc, attr| {
89 if let InitializerAttribute::DefaultError(DefaultErrorAttribute { ty }) = attr {
96 } else if let Some(default_error) = default_error {
105 let slot = format_ident!("slot");
106 let (has_data_trait, get_data, init_from_closure) = if pinned {
119 let init_kind = get_init_kind(rest, dcx);
120 let zeroable_check = match init_kind {
136 let this = match this {
141 let #iden
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/linux/drivers/android/binder/range_alloc/
H A Dtree.rs39 let mut tree = TreeRangeAllocator { in from_array()
46 let mut free_offset = 0; in from_array()
48 let free_size = range.offset - free_offset; in from_array()
50 let free_node = alloc.free_tree.pop().unwrap(); in from_array()
53 let tree_node = alloc.tree.pop().unwrap(); in from_array()
64 let free_res = alloc.free_tree.pop().unwrap(); in from_array()
65 let tree_node = alloc.tree.pop().unwrap(); in from_array()
66 let mut desc = Descriptor::new(range.offset, range.size); in from_array()
73 let free_size = size - free_offset; in from_array()
74 let free_node = alloc.free_tree.pop().unwrap(); in from_array()
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/linux/rust/zerocopy/src/
H A Dmacros.rs47 /// let u: u32 = transmute!(#![allow(shrink)] 0u64);
55 /// let one_dimensional: [u8; 8] = [0, 1, 2, 3, 4, 5, 6, 7];
57 /// let two_dimensional: [[u8; 4]; 2] = transmute!(one_dimensional);
78 let mut e = $e;
89 let _ = src;
124 let u: Transmute<_, _> = unsafe {
135 let _ = e;
138 // SAFETY: Per the safety comment on `let u` above, the `dst`
156 let dst = unsafe { u.dst };
162 let e = $e;
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H A Dref.rs214 if let Err(err) = util::validate_aligned_to::<_, T>(bytes.deref()) { in sized_from()
232 if let Err(err) = util::validate_aligned_to::<_, T>(bytes.deref()) { in sized_from_prefix()
235 let (bytes, suffix) = bytes.split_at(mem::size_of::<T>()).map_err( in sized_from_prefix()
244 let r = unsafe { Ref::new_unchecked(bytes) }; in sized_from_prefix()
250 let bytes_len = bytes.len(); in sized_from_suffix()
251 let split_at = if let Some(split_at) = bytes_len.checked_sub(mem::size_of::<T>()) { in sized_from_suffix()
256 let (prefix, bytes) = bytes.split_at(split_at).map_err(|b| SizeError::new(b).into())?; in sized_from_suffix()
257 if let Err(err) = util::validate_aligned_to::<_, T>(bytes.deref()) { in sized_from_suffix()
261 // the `bytes` which results from `let (prefix, bytes) = in sized_from_suffix()
266 let r = unsafe { Ref::new_unchecked(bytes) }; in sized_from_suffix()
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H A Dsplit_at.rs122 /// let bytes = &[4, 1, 2, 3, 4, 5, 6, 7, 8, 9][..];
124 /// let packet = Packet::ref_from_bytes(bytes).unwrap();
130 /// let split = packet.split_at(packet.length as usize).unwrap();
134 /// let (packet, rest) = split.via_immutable();
210 /// let mut bytes = &mut [4, 1, 2, 3, 4, 5, 6, 7, 8, 9][..];
212 /// let packet = Packet::<[u8]>::mut_from_bytes(bytes).unwrap();
219 /// let split = packet.split_at_mut(packet.length as usize).unwrap();
223 /// let (packet, rest) = split.via_into_bytes();
308 let source = Ptr::from_ref(self.source); in into_ptr()
331 /// let bytes = &[4, 1, 2, 3, 4, 5, 6, 7, 8, 9][..];
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H A Dlayout.rs80 if let Some(elem_size) = NonZeroUsize::new(elem_size) { in try_to_nonzero_elem_size()
186 let align = match repr_align { in new_zst()
285 let mut layout = DstLayout::new_zst(repr_align); in for_repr_c_struct()
287 let mut i = 0; in for_repr_c_struct()
291 let field = fields[i]; in for_repr_c_struct()
346 let max_align = match repr_packed { in extend()
360 if let Some(repr_packed) = repr_packed { in extend()
373 let field_align = min(field.align, max_align); in extend()
377 let align = max(self.align, field_align); in extend()
379 let (interfield_padding, size_info) = match self.size_info { in extend()
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/linux/samples/rust/
H A Drust_debugfs_scoped.rs36 let mut buf = [0u8; 128]; in remove_file_write()
40 let n = reader.len(); in remove_file_write()
43 let s = core::str::from_utf8(&buf[..n]).map_err(|_| EINVAL)?.trim(); in remove_file_write()
44 let nul_idx = s.len(); in remove_file_write()
46 let to_remove = CStr::from_bytes_with_nul(&buf[..nul_idx + 1]).map_err(|_| EINVAL)?; in create_file_write()
58 let mut buf = [0u8; 128]; in create_file_write()
62 let n = reader.len(); in create_file_write()
65 let mut nums = KVec::new(); in create_file_write()
67 let s = core::str::from_utf8(&buf[..n]).map_err(|_| EINVAL)?.trim(); in create_file_write()
68 let mu in create_file_write()
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H A Drust_driver_platform.rs110 let dev = pdev.as_ref(); in probe()
114 if let Some(info) = info { in probe()
128 let fwnode = dev.fwnode().ok_or(ENOENT)?; in properties_parse()
130 if let Ok(idx) = fwnode.property_match_string(c"compatible", c"test,rust-device") { in properties_parse()
134 let name = c"compatible"; in properties_parse()
135 let prop = fwnode.property_read::<CString>(name).required_by(dev)?; in properties_parse()
138 let name = c"test,bool-prop"; in properties_parse()
139 let prop = fwnode.property_read_bool(c"test,bool-prop"); in properties_parse()
146 let name = c"test,u32-optional-prop"; in properties_parse()
147 let pro in properties_parse()
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/linux/rust/zerocopy-derive/
H A Dutil.rs39 let mut path = parse_quote!(::zerocopy); in try_from_derive_input()
40 let mut skip_on_error = false; in try_from_derive_input()
41 let mut on_error_span = None; in try_from_derive_input()
44 if let Meta::List(ref meta_list) = attr.meta { in try_from_derive_input()
48 let expr = meta.value().and_then(|value| value.parse()); in try_from_derive_input()
49 if let Ok(Expr::Lit(ExprLit { lit: Lit::Str(lit), .. })) = expr { in try_from_derive_input()
50 if let Ok(path_lit) = lit.parse::<Ident>() { in try_from_derive_input()
64 let value = meta.value()?; in try_from_derive_input()
65 let s: LitStr = value.parse()?; in try_from_derive_input()
107 let zerocopy_crate = &self.zerocopy_crate; in core_path()
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/linux/rust/kernel/io/
H A Dmem.rs75 /// let offset = 0; // Some offset.
80 /// let request = pdev.io_request_by_index(0).ok_or(ENODEV)?;
81 /// let iomem = request.iomap_sized::<42>()?;
84 /// let data = iomem.read32(offset);
135 /// let offset = 0; // Some offset.
141 /// let request = pdev.io_request_by_index(0).ok_or(ENODEV)?;
142 /// let iomem = request.iomap()?;
144 /// let data = iomem.try_read32(offset)?; in iomap()
195 let start = resource.start();
196 let siz
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/linux/rust/kernel/alloc/
H A Dkvec.rs67 /// let mut v = kernel::kvec![];
71 /// let mut v = kernel::kvec![1; 3]?;
75 /// let mut v = kernel::kvec![1, 2, 3]?;
149 /// let mut v = KVec::new();
162 /// let mut v = VVec::new();
175 /// let mut v = KVVec::new();
263 /// let mut v = KVec::new();
299 /// let mut v = KVec::new(); in new()
334 let ptr = unsafe { self.as_mut_ptr().add(self.len) }.cast::<MaybeUninit<T>>(); in push()
346 /// let mu
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/linux/rust/kernel/
H A Dmaple_tree.rs57 let first = match range.start_bound() { in to_maple_range()
63 let last = match range.end_bound() { in to_maple_range()
103 /// let tree = KBox::pin_init(MapleTree::<KBox<i32>>::new(), GFP_KERNEL)?;
105 /// let ten = KBox::new(10, GFP_KERNEL)?;
106 /// let twenty = KBox::new(20, GFP_KERNEL)?;
107 /// let the_answer = KBox::new(42, GFP_KERNEL)?;
142 /// let tree = KBox::pin_init(MapleTree::<KBox<i32>>::new(), GFP_KERNEL)?;
144 /// let ten = KBox::new(10, GFP_KERNEL)?;
145 /// let twenty = KBox::new(20, GFP_KERNEL)?;
146 /// let the_answer = KBox::new(42, GFP_KERNEL)?;
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