Remove ExplicitSelf from HIR
This commit is contained in:
parent
212d5d4352
commit
766f9b5a2f
src
librustc
hir
infer
lint
middle
librustc_incremental
librustc_privacy
librustc_resolve
librustc_typeck
librustdoc
@ -158,14 +158,6 @@ pub trait Folder : Sized {
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noop_fold_local(l, self)
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}
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fn fold_explicit_self(&mut self, es: ExplicitSelf) -> ExplicitSelf {
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noop_fold_explicit_self(es, self)
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}
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fn fold_explicit_self_underscore(&mut self, es: ExplicitSelf_) -> ExplicitSelf_ {
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noop_fold_explicit_self_underscore(es, self)
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}
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fn fold_lifetime(&mut self, l: Lifetime) -> Lifetime {
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noop_fold_lifetime(l, self)
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}
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@ -495,29 +487,6 @@ pub fn noop_fold_attribute<T: Folder>(at: Attribute, fld: &mut T) -> Option<Attr
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})
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}
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pub fn noop_fold_explicit_self_underscore<T: Folder>(es: ExplicitSelf_,
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fld: &mut T)
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-> ExplicitSelf_ {
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match es {
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SelfStatic | SelfValue(_) => es,
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SelfRegion(lifetime, m, name) => {
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SelfRegion(fld.fold_opt_lifetime(lifetime), m, name)
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}
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SelfExplicit(typ, name) => {
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SelfExplicit(fld.fold_ty(typ), name)
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}
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}
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}
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pub fn noop_fold_explicit_self<T: Folder>(Spanned { span, node }: ExplicitSelf,
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fld: &mut T)
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-> ExplicitSelf {
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Spanned {
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node: fld.fold_explicit_self_underscore(node),
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span: fld.new_span(span),
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}
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}
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pub fn noop_fold_meta_item<T: Folder>(mi: P<MetaItem>, fld: &mut T) -> P<MetaItem> {
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mi.map(|Spanned { node, span }| {
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Spanned {
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@ -941,7 +910,6 @@ pub fn noop_fold_method_sig<T: Folder>(sig: MethodSig, folder: &mut T) -> Method
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MethodSig {
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generics: folder.fold_generics(sig.generics),
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abi: sig.abi,
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explicit_self: folder.fold_explicit_self(sig.explicit_self),
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unsafety: sig.unsafety,
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constness: sig.constness,
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decl: folder.fold_fn_decl(sig.decl),
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@ -180,9 +180,6 @@ pub trait Visitor<'v> : Sized {
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fn visit_lifetime_def(&mut self, lifetime: &'v LifetimeDef) {
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walk_lifetime_def(self, lifetime)
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}
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fn visit_explicit_self(&mut self, es: &'v ExplicitSelf) {
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walk_explicit_self(self, es)
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}
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fn visit_path(&mut self, path: &'v Path, _id: NodeId) {
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walk_path(self, path)
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}
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@ -258,23 +255,6 @@ pub fn walk_lifetime_def<'v, V: Visitor<'v>>(visitor: &mut V, lifetime_def: &'v
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walk_list!(visitor, visit_lifetime, &lifetime_def.bounds);
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}
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pub fn walk_explicit_self<'v, V: Visitor<'v>>(visitor: &mut V, explicit_self: &'v ExplicitSelf) {
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match explicit_self.node {
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SelfStatic => {}
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SelfValue(name) => {
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visitor.visit_name(explicit_self.span, name)
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}
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SelfRegion(ref opt_lifetime, _, name) => {
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visitor.visit_name(explicit_self.span, name);
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walk_list!(visitor, visit_lifetime, opt_lifetime);
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}
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SelfExplicit(ref typ, name) => {
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visitor.visit_name(explicit_self.span, name);
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visitor.visit_ty(typ)
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}
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}
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}
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pub fn walk_poly_trait_ref<'v, V>(visitor: &mut V,
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trait_ref: &'v PolyTraitRef,
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_modifier: &'v TraitBoundModifier)
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@ -620,7 +600,6 @@ pub fn walk_fn_kind<'v, V: Visitor<'v>>(visitor: &mut V, function_kind: FnKind<'
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}
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FnKind::Method(_, sig, _, _) => {
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visitor.visit_generics(&sig.generics);
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visitor.visit_explicit_self(&sig.explicit_self);
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}
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FnKind::Closure(_) => {}
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}
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@ -645,7 +624,6 @@ pub fn walk_trait_item<'v, V: Visitor<'v>>(visitor: &mut V, trait_item: &'v Trai
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walk_list!(visitor, visit_expr, default);
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}
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MethodTraitItem(ref sig, None) => {
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visitor.visit_explicit_self(&sig.explicit_self);
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visitor.visit_generics(&sig.generics);
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walk_fn_decl(visitor, &sig.decl);
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}
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@ -388,21 +388,6 @@ impl<'a> LoweringContext<'a> {
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})
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}
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fn lower_explicit_self_underscore(&mut self, es: &SelfKind) -> hir::ExplicitSelf_ {
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match *es {
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SelfKind::Static => hir::SelfStatic,
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SelfKind::Value(v) => hir::SelfValue(v.name),
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SelfKind::Region(ref lifetime, m, ident) => {
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hir::SelfRegion(self.lower_opt_lifetime(lifetime),
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self.lower_mutability(m),
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ident.name)
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}
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SelfKind::Explicit(ref typ, ident) => {
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hir::SelfExplicit(self.lower_ty(typ), ident.name)
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}
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}
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}
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fn lower_mutability(&mut self, m: Mutability) -> hir::Mutability {
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match m {
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Mutability::Mutable => hir::MutMutable,
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@ -410,13 +395,6 @@ impl<'a> LoweringContext<'a> {
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}
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}
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fn lower_explicit_self(&mut self, s: &ExplicitSelf) -> hir::ExplicitSelf {
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Spanned {
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node: self.lower_explicit_self_underscore(&s.node),
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span: s.span,
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}
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}
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fn lower_arg(&mut self, arg: &Arg) -> hir::Arg {
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hir::Arg {
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id: arg.id,
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@ -800,7 +778,6 @@ impl<'a> LoweringContext<'a> {
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hir::MethodSig {
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generics: self.lower_generics(&sig.generics),
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abi: sig.abi,
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explicit_self: self.lower_explicit_self(&sig.explicit_self),
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unsafety: self.lower_unsafety(sig.unsafety),
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constness: self.lower_constness(sig.constness),
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decl: self.lower_fn_decl(&sig.decl),
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@ -15,7 +15,6 @@ pub use self::BinOp_::*;
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pub use self::BlockCheckMode::*;
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pub use self::CaptureClause::*;
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pub use self::Decl_::*;
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pub use self::ExplicitSelf_::*;
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pub use self::Expr_::*;
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pub use self::FunctionRetTy::*;
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pub use self::ForeignItem_::*;
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@ -37,12 +36,12 @@ use hir::def::Def;
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use hir::def_id::DefId;
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use util::nodemap::{NodeMap, FnvHashSet};
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use syntax::codemap::{self, Span, Spanned, DUMMY_SP, ExpnId};
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use syntax::codemap::{self, mk_sp, respan, Span, Spanned, ExpnId};
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use syntax::abi::Abi;
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use syntax::ast::{Name, NodeId, DUMMY_NODE_ID, TokenTree, AsmDialect};
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use syntax::ast::{Attribute, Lit, StrStyle, FloatTy, IntTy, UintTy, MetaItem};
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use syntax::attr::{ThinAttributes, ThinAttributesExt};
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use syntax::parse::token::InternedString;
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use syntax::parse::token::{keywords, InternedString};
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use syntax::ptr::P;
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use std::collections::BTreeMap;
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@ -1055,7 +1054,6 @@ pub struct MethodSig {
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pub abi: Abi,
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pub decl: P<FnDecl>,
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pub generics: Generics,
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pub explicit_self: ExplicitSelf,
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}
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/// Represents an item declaration within a trait declaration,
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@ -1196,25 +1194,41 @@ pub struct Arg {
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pub id: NodeId,
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}
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/// Alternative representation for `Arg`s describing `self` parameter of methods.
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#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
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pub enum SelfKind {
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/// `self`, `mut self`
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Value(Mutability),
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/// `&'lt self`, `&'lt mut self`
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Region(Option<Lifetime>, Mutability),
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/// `self: TYPE`, `mut self: TYPE`
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Explicit(P<Ty>, Mutability),
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}
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pub type ExplicitSelf = Spanned<SelfKind>;
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impl Arg {
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pub fn new_self(span: Span, mutability: Mutability, self_ident: Ident) -> Arg {
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let path = Spanned {
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span: span,
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node: self_ident,
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};
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Arg {
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// HACK(eddyb) fake type for the self argument.
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ty: P(Ty {
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id: DUMMY_NODE_ID,
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node: TyInfer,
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span: DUMMY_SP,
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}),
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pat: P(Pat {
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id: DUMMY_NODE_ID,
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node: PatKind::Ident(BindByValue(mutability), path, None),
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span: span,
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}),
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id: DUMMY_NODE_ID,
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pub fn to_self(&self) -> Option<ExplicitSelf> {
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if let PatKind::Ident(BindByValue(mutbl), ident, _) = self.pat.node {
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if ident.node.unhygienic_name == keywords::SelfValue.name() {
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return match self.ty.node {
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TyInfer => Some(respan(self.pat.span, SelfKind::Value(mutbl))),
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TyRptr(lt, MutTy{ref ty, mutbl}) if ty.node == TyInfer => {
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Some(respan(self.pat.span, SelfKind::Region(lt, mutbl)))
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}
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_ => Some(respan(mk_sp(self.pat.span.lo, self.ty.span.hi),
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SelfKind::Explicit(self.ty.clone(), mutbl)))
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}
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}
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}
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None
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}
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pub fn is_self(&self) -> bool {
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if let PatKind::Ident(_, ident, _) = self.pat.node {
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ident.node.unhygienic_name == keywords::SelfValue.name()
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} else {
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false
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}
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}
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}
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@ -1227,6 +1241,12 @@ pub struct FnDecl {
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pub variadic: bool,
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}
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impl FnDecl {
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pub fn has_self(&self) -> bool {
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self.inputs.get(0).map(Arg::is_self).unwrap_or(false)
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}
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}
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#[derive(Copy, Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
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pub enum Unsafety {
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Unsafe,
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@ -1308,21 +1328,6 @@ impl FunctionRetTy {
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}
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}
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/// Represents the kind of 'self' associated with a method
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#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
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pub enum ExplicitSelf_ {
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/// No self
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SelfStatic,
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/// `self`
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SelfValue(Name),
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/// `&'lt self`, `&'lt mut self`
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SelfRegion(Option<Lifetime>, Mutability, Name),
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/// `self: TYPE`
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SelfExplicit(P<Ty>, Name),
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}
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pub type ExplicitSelf = Spanned<ExplicitSelf_>;
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#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
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pub struct Mod {
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/// A span from the first token past `{` to the last token until `}`.
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@ -23,7 +23,7 @@ use syntax::print::pprust::{self as ast_pp, PrintState};
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use syntax::ptr::P;
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use hir;
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use hir::{Crate, PatKind, RegionTyParamBound, TraitTyParamBound, TraitBoundModifier};
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use hir::{Crate, PatKind, RegionTyParamBound, SelfKind, TraitTyParamBound, TraitBoundModifier};
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use std::io::{self, Write, Read};
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@ -281,7 +281,6 @@ pub fn fun_to_string(decl: &hir::FnDecl,
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unsafety: hir::Unsafety,
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constness: hir::Constness,
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name: ast::Name,
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opt_explicit_self: Option<&hir::ExplicitSelf_>,
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generics: &hir::Generics)
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-> String {
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to_string(|s| {
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@ -292,7 +291,6 @@ pub fn fun_to_string(decl: &hir::FnDecl,
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Abi::Rust,
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Some(name),
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generics,
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opt_explicit_self,
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&hir::Inherited)?;
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s.end()?; // Close the head box
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s.end() // Close the outer box
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@ -309,10 +307,6 @@ pub fn block_to_string(blk: &hir::Block) -> String {
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})
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}
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pub fn explicit_self_to_string(explicit_self: &hir::ExplicitSelf_) -> String {
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to_string(|s| s.print_explicit_self(explicit_self, hir::MutImmutable).map(|_| {}))
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}
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pub fn variant_to_string(var: &hir::Variant) -> String {
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to_string(|s| s.print_variant(var))
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}
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@ -526,7 +520,7 @@ impl<'a> State<'a> {
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predicates: hir::HirVec::new(),
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},
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};
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self.print_ty_fn(f.abi, f.unsafety, &f.decl, None, &generics, None)?;
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self.print_ty_fn(f.abi, f.unsafety, &f.decl, None, &generics)?;
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}
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hir::TyPath(None, ref path) => {
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self.print_path(path, false, 0)?;
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@ -573,7 +567,6 @@ impl<'a> State<'a> {
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Abi::Rust,
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Some(item.name),
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generics,
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None,
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&item.vis)?;
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self.end()?; // end head-ibox
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word(&mut self.s, ";")?;
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@ -710,7 +703,6 @@ impl<'a> State<'a> {
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abi,
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Some(item.name),
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typarams,
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None,
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&item.vis)?;
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word(&mut self.s, " ")?;
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self.print_block_with_attrs(&body, &item.attrs)?;
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@ -976,7 +968,6 @@ impl<'a> State<'a> {
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m.abi,
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Some(name),
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&m.generics,
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Some(&m.explicit_self.node),
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vis)
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}
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@ -1881,32 +1872,25 @@ impl<'a> State<'a> {
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self.end() // close enclosing cbox
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}
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// Returns whether it printed anything
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fn print_explicit_self(&mut self,
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explicit_self: &hir::ExplicitSelf_,
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mutbl: hir::Mutability)
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-> io::Result<bool> {
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self.print_mutability(mutbl)?;
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match *explicit_self {
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hir::SelfStatic => {
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return Ok(false);
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fn print_explicit_self(&mut self, explicit_self: &hir::ExplicitSelf) -> io::Result<()> {
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match explicit_self.node {
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SelfKind::Value(m) => {
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self.print_mutability(m)?;
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word(&mut self.s, "self")
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}
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hir::SelfValue(_) => {
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word(&mut self.s, "self")?;
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}
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hir::SelfRegion(ref lt, m, _) => {
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SelfKind::Region(ref lt, m) => {
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word(&mut self.s, "&")?;
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self.print_opt_lifetime(lt)?;
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self.print_mutability(m)?;
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word(&mut self.s, "self")?;
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word(&mut self.s, "self")
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}
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hir::SelfExplicit(ref typ, _) => {
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SelfKind::Explicit(ref typ, m) => {
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self.print_mutability(m)?;
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word(&mut self.s, "self")?;
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self.word_space(":")?;
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self.print_type(&typ)?;
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self.print_type(&typ)
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}
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}
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return Ok(true);
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}
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pub fn print_fn(&mut self,
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@ -1916,7 +1900,6 @@ impl<'a> State<'a> {
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abi: Abi,
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name: Option<ast::Name>,
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generics: &hir::Generics,
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opt_explicit_self: Option<&hir::ExplicitSelf_>,
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vis: &hir::Visibility)
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-> io::Result<()> {
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self.print_fn_header_info(unsafety, constness, abi, vis)?;
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@ -1926,55 +1909,13 @@ impl<'a> State<'a> {
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self.print_name(name)?;
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}
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self.print_generics(generics)?;
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self.print_fn_args_and_ret(decl, opt_explicit_self)?;
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self.print_fn_args_and_ret(decl)?;
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self.print_where_clause(&generics.where_clause)
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}
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pub fn print_fn_args(&mut self,
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decl: &hir::FnDecl,
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opt_explicit_self: Option<&hir::ExplicitSelf_>,
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is_closure: bool)
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-> io::Result<()> {
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// It is unfortunate to duplicate the commasep logic, but we want the
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// self type and the args all in the same box.
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self.rbox(0, Inconsistent)?;
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let mut first = true;
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if let Some(explicit_self) = opt_explicit_self {
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let m = match explicit_self {
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&hir::SelfStatic => hir::MutImmutable,
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_ => match decl.inputs[0].pat.node {
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PatKind::Ident(hir::BindByValue(m), _, _) => m,
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_ => hir::MutImmutable,
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},
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};
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first = !self.print_explicit_self(explicit_self, m)?;
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}
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// HACK(eddyb) ignore the separately printed self argument.
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let args = if first {
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&decl.inputs[..]
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} else {
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&decl.inputs[1..]
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};
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for arg in args {
|
||||
if first {
|
||||
first = false;
|
||||
} else {
|
||||
self.word_space(",")?;
|
||||
}
|
||||
self.print_arg(arg, is_closure)?;
|
||||
}
|
||||
|
||||
self.end()
|
||||
}
|
||||
|
||||
pub fn print_fn_args_and_ret(&mut self,
|
||||
decl: &hir::FnDecl,
|
||||
opt_explicit_self: Option<&hir::ExplicitSelf_>)
|
||||
-> io::Result<()> {
|
||||
pub fn print_fn_args_and_ret(&mut self, decl: &hir::FnDecl) -> io::Result<()> {
|
||||
self.popen()?;
|
||||
self.print_fn_args(decl, opt_explicit_self, false)?;
|
||||
self.commasep(Inconsistent, &decl.inputs, |s, arg| s.print_arg(arg, false))?;
|
||||
if decl.variadic {
|
||||
word(&mut self.s, ", ...")?;
|
||||
}
|
||||
@ -1985,7 +1926,7 @@ impl<'a> State<'a> {
|
||||
|
||||
pub fn print_fn_block_args(&mut self, decl: &hir::FnDecl) -> io::Result<()> {
|
||||
word(&mut self.s, "|")?;
|
||||
self.print_fn_args(decl, None, true)?;
|
||||
self.commasep(Inconsistent, &decl.inputs, |s, arg| s.print_arg(arg, true))?;
|
||||
word(&mut self.s, "|")?;
|
||||
|
||||
if let hir::DefaultReturn(..) = decl.output {
|
||||
@ -2207,18 +2148,21 @@ impl<'a> State<'a> {
|
||||
match input.ty.node {
|
||||
hir::TyInfer if is_closure => self.print_pat(&input.pat)?,
|
||||
_ => {
|
||||
match input.pat.node {
|
||||
PatKind::Ident(_, ref path1, _)
|
||||
if path1.node.name == keywords::Invalid.name() => {
|
||||
// Do nothing.
|
||||
}
|
||||
_ => {
|
||||
if let Some(eself) = input.to_self() {
|
||||
self.print_explicit_self(&eself)?;
|
||||
} else {
|
||||
let invalid = if let PatKind::Ident(_, ident, _) = input.pat.node {
|
||||
ident.node.name == keywords::Invalid.name()
|
||||
} else {
|
||||
false
|
||||
};
|
||||
if !invalid {
|
||||
self.print_pat(&input.pat)?;
|
||||
word(&mut self.s, ":")?;
|
||||
space(&mut self.s)?;
|
||||
}
|
||||
self.print_type(&input.ty)?;
|
||||
}
|
||||
self.print_type(&input.ty)?;
|
||||
}
|
||||
}
|
||||
self.end()
|
||||
@ -2250,8 +2194,7 @@ impl<'a> State<'a> {
|
||||
unsafety: hir::Unsafety,
|
||||
decl: &hir::FnDecl,
|
||||
name: Option<ast::Name>,
|
||||
generics: &hir::Generics,
|
||||
opt_explicit_self: Option<&hir::ExplicitSelf_>)
|
||||
generics: &hir::Generics)
|
||||
-> io::Result<()> {
|
||||
self.ibox(indent_unit)?;
|
||||
if !generics.lifetimes.is_empty() || !generics.ty_params.is_empty() {
|
||||
@ -2272,7 +2215,6 @@ impl<'a> State<'a> {
|
||||
abi,
|
||||
name,
|
||||
&generics,
|
||||
opt_explicit_self,
|
||||
&hir::Inherited)?;
|
||||
self.end()
|
||||
}
|
||||
|
@ -976,8 +976,7 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
|
||||
ast_map::NodeItem(ref item) => {
|
||||
match item.node {
|
||||
hir::ItemFn(ref fn_decl, unsafety, constness, _, ref gen, _) => {
|
||||
Some((fn_decl, gen, unsafety, constness,
|
||||
item.name, None, item.span))
|
||||
Some((fn_decl, gen, unsafety, constness, item.name, item.span))
|
||||
},
|
||||
_ => None
|
||||
}
|
||||
@ -990,7 +989,6 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
|
||||
sig.unsafety,
|
||||
sig.constness,
|
||||
item.name,
|
||||
Some(&sig.explicit_self.node),
|
||||
item.span))
|
||||
}
|
||||
_ => None,
|
||||
@ -1004,7 +1002,6 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
|
||||
sig.unsafety,
|
||||
sig.constness,
|
||||
item.name,
|
||||
Some(&sig.explicit_self.node),
|
||||
item.span))
|
||||
}
|
||||
_ => None
|
||||
@ -1014,13 +1011,11 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
|
||||
},
|
||||
None => None
|
||||
};
|
||||
let (fn_decl, generics, unsafety, constness, name, expl_self, span)
|
||||
let (fn_decl, generics, unsafety, constness, name, span)
|
||||
= node_inner.expect("expect item fn");
|
||||
let rebuilder = Rebuilder::new(self.tcx, fn_decl, expl_self,
|
||||
generics, same_regions, &life_giver);
|
||||
let (fn_decl, expl_self, generics) = rebuilder.rebuild();
|
||||
self.give_expl_lifetime_param(err, &fn_decl, unsafety, constness, name,
|
||||
expl_self.as_ref(), &generics, span);
|
||||
let rebuilder = Rebuilder::new(self.tcx, fn_decl, generics, same_regions, &life_giver);
|
||||
let (fn_decl, generics) = rebuilder.rebuild();
|
||||
self.give_expl_lifetime_param(err, &fn_decl, unsafety, constness, name, &generics, span);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1038,7 +1033,6 @@ struct RebuildPathInfo<'a> {
|
||||
struct Rebuilder<'a, 'gcx: 'a+'tcx, 'tcx: 'a> {
|
||||
tcx: TyCtxt<'a, 'gcx, 'tcx>,
|
||||
fn_decl: &'a hir::FnDecl,
|
||||
expl_self_opt: Option<&'a hir::ExplicitSelf_>,
|
||||
generics: &'a hir::Generics,
|
||||
same_regions: &'a [SameRegions],
|
||||
life_giver: &'a LifeGiver,
|
||||
@ -1054,7 +1048,6 @@ enum FreshOrKept {
|
||||
impl<'a, 'gcx, 'tcx> Rebuilder<'a, 'gcx, 'tcx> {
|
||||
fn new(tcx: TyCtxt<'a, 'gcx, 'tcx>,
|
||||
fn_decl: &'a hir::FnDecl,
|
||||
expl_self_opt: Option<&'a hir::ExplicitSelf_>,
|
||||
generics: &'a hir::Generics,
|
||||
same_regions: &'a [SameRegions],
|
||||
life_giver: &'a LifeGiver)
|
||||
@ -1062,7 +1055,6 @@ impl<'a, 'gcx, 'tcx> Rebuilder<'a, 'gcx, 'tcx> {
|
||||
Rebuilder {
|
||||
tcx: tcx,
|
||||
fn_decl: fn_decl,
|
||||
expl_self_opt: expl_self_opt,
|
||||
generics: generics,
|
||||
same_regions: same_regions,
|
||||
life_giver: life_giver,
|
||||
@ -1071,9 +1063,7 @@ impl<'a, 'gcx, 'tcx> Rebuilder<'a, 'gcx, 'tcx> {
|
||||
}
|
||||
}
|
||||
|
||||
fn rebuild(&self)
|
||||
-> (hir::FnDecl, Option<hir::ExplicitSelf_>, hir::Generics) {
|
||||
let mut expl_self_opt = self.expl_self_opt.cloned();
|
||||
fn rebuild(&self) -> (hir::FnDecl, hir::Generics) {
|
||||
let mut inputs = self.fn_decl.inputs.clone();
|
||||
let mut output = self.fn_decl.output.clone();
|
||||
let mut ty_params = self.generics.ty_params.clone();
|
||||
@ -1089,8 +1079,6 @@ impl<'a, 'gcx, 'tcx> Rebuilder<'a, 'gcx, 'tcx> {
|
||||
Kept => { kept_lifetimes.insert(lifetime.name); }
|
||||
_ => ()
|
||||
}
|
||||
expl_self_opt = self.rebuild_expl_self(expl_self_opt, lifetime,
|
||||
&anon_nums, ®ion_names);
|
||||
inputs = self.rebuild_args_ty(&inputs[..], lifetime,
|
||||
&anon_nums, ®ion_names);
|
||||
output = self.rebuild_output(&output, lifetime, &anon_nums, ®ion_names);
|
||||
@ -1110,7 +1098,7 @@ impl<'a, 'gcx, 'tcx> Rebuilder<'a, 'gcx, 'tcx> {
|
||||
output: output,
|
||||
variadic: self.fn_decl.variadic
|
||||
};
|
||||
(new_fn_decl, expl_self_opt, generics)
|
||||
(new_fn_decl, generics)
|
||||
}
|
||||
|
||||
fn pick_lifetime(&self,
|
||||
@ -1250,34 +1238,6 @@ impl<'a, 'gcx, 'tcx> Rebuilder<'a, 'gcx, 'tcx> {
|
||||
}).collect()
|
||||
}
|
||||
|
||||
fn rebuild_expl_self(&self,
|
||||
expl_self_opt: Option<hir::ExplicitSelf_>,
|
||||
lifetime: hir::Lifetime,
|
||||
anon_nums: &HashSet<u32>,
|
||||
region_names: &HashSet<ast::Name>)
|
||||
-> Option<hir::ExplicitSelf_> {
|
||||
match expl_self_opt {
|
||||
Some(ref expl_self) => match *expl_self {
|
||||
hir::SelfRegion(lt_opt, muta, id) => match lt_opt {
|
||||
Some(lt) => if region_names.contains(<.name) {
|
||||
return Some(hir::SelfRegion(Some(lifetime), muta, id));
|
||||
},
|
||||
None => {
|
||||
let anon = self.cur_anon.get();
|
||||
self.inc_and_offset_cur_anon(1);
|
||||
if anon_nums.contains(&anon) {
|
||||
self.track_anon(anon);
|
||||
return Some(hir::SelfRegion(Some(lifetime), muta, id));
|
||||
}
|
||||
}
|
||||
},
|
||||
_ => ()
|
||||
},
|
||||
None => ()
|
||||
}
|
||||
expl_self_opt
|
||||
}
|
||||
|
||||
fn rebuild_generics(&self,
|
||||
generics: &hir::Generics,
|
||||
add: &Vec<hir::Lifetime>,
|
||||
@ -1575,11 +1535,9 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
|
||||
unsafety: hir::Unsafety,
|
||||
constness: hir::Constness,
|
||||
name: ast::Name,
|
||||
opt_explicit_self: Option<&hir::ExplicitSelf_>,
|
||||
generics: &hir::Generics,
|
||||
span: Span) {
|
||||
let suggested_fn = pprust::fun_to_string(decl, unsafety, constness, name,
|
||||
opt_explicit_self, generics);
|
||||
let suggested_fn = pprust::fun_to_string(decl, unsafety, constness, name, generics);
|
||||
let msg = format!("consider using an explicit lifetime \
|
||||
parameter as shown: {}", suggested_fn);
|
||||
err.span_help(span, &msg[..]);
|
||||
|
@ -889,11 +889,6 @@ impl<'a, 'tcx, 'v> hir_visit::Visitor<'v> for LateContext<'a, 'tcx> {
|
||||
run_lints!(self, check_lifetime_def, late_passes, lt);
|
||||
}
|
||||
|
||||
fn visit_explicit_self(&mut self, es: &hir::ExplicitSelf) {
|
||||
run_lints!(self, check_explicit_self, late_passes, es);
|
||||
hir_visit::walk_explicit_self(self, es);
|
||||
}
|
||||
|
||||
fn visit_path(&mut self, p: &hir::Path, id: ast::NodeId) {
|
||||
run_lints!(self, check_path, late_passes, p, id);
|
||||
hir_visit::walk_path(self, p);
|
||||
|
@ -483,7 +483,6 @@ impl<'a> LifetimeContext<'a> {
|
||||
FnKind::Method(_, sig, _, _) => {
|
||||
intravisit::walk_fn_decl(self, fd);
|
||||
self.visit_generics(&sig.generics);
|
||||
self.visit_explicit_self(&sig.explicit_self);
|
||||
}
|
||||
FnKind::Closure(_) => {
|
||||
intravisit::walk_fn_decl(self, fd);
|
||||
|
@ -172,7 +172,6 @@ mod svh_visitor {
|
||||
SawImplItem,
|
||||
SawStructField,
|
||||
SawVariant,
|
||||
SawExplicitSelf,
|
||||
SawPath,
|
||||
SawBlock,
|
||||
SawPat,
|
||||
@ -391,10 +390,6 @@ mod svh_visitor {
|
||||
SawStructField.hash(self.st); visit::walk_struct_field(self, s)
|
||||
}
|
||||
|
||||
fn visit_explicit_self(&mut self, es: &'a ExplicitSelf) {
|
||||
SawExplicitSelf.hash(self.st); visit::walk_explicit_self(self, es)
|
||||
}
|
||||
|
||||
fn visit_path(&mut self, path: &'a Path, _: ast::NodeId) {
|
||||
SawPath.hash(self.st); visit::walk_path(self, path)
|
||||
}
|
||||
|
@ -831,8 +831,8 @@ impl<'a, 'tcx, 'v> Visitor<'v> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx>
|
||||
}
|
||||
}
|
||||
hir::ImplItemKind::Method(ref sig, _) => {
|
||||
if sig.explicit_self.node == hir::SelfStatic &&
|
||||
self.item_is_public(&impl_item.id, &impl_item.vis) {
|
||||
if !sig.decl.has_self() &&
|
||||
self.item_is_public(&impl_item.id, &impl_item.vis) {
|
||||
found_pub_static = true;
|
||||
intravisit::walk_impl_item(self, impl_item);
|
||||
}
|
||||
|
@ -582,7 +582,6 @@ impl<'a, 'v> Visitor<'v> for Resolver<'a> {
|
||||
}
|
||||
FnKind::Method(_, sig, _) => {
|
||||
self.visit_generics(&sig.generics);
|
||||
self.visit_explicit_self(&sig.explicit_self);
|
||||
MethodRibKind
|
||||
}
|
||||
FnKind::Closure => ClosureRibKind(node_id),
|
||||
|
@ -75,7 +75,7 @@ use syntax::feature_gate::{GateIssue, emit_feature_err};
|
||||
use syntax::parse::token::{self, keywords};
|
||||
|
||||
use rustc::hir::print as pprust;
|
||||
use rustc::hir;
|
||||
use rustc::hir::{self, SelfKind};
|
||||
use rustc_back::slice;
|
||||
|
||||
pub trait AstConv<'gcx, 'tcx> {
|
||||
@ -166,11 +166,6 @@ struct ConvertedBinding<'tcx> {
|
||||
span: Span,
|
||||
}
|
||||
|
||||
struct SelfInfo<'a, 'tcx> {
|
||||
untransformed_self_ty: Ty<'tcx>,
|
||||
explicit_self: &'a hir::ExplicitSelf,
|
||||
}
|
||||
|
||||
type TraitAndProjections<'tcx> = (ty::PolyTraitRef<'tcx>, Vec<ty::PolyProjectionPredicate<'tcx>>);
|
||||
|
||||
pub fn ast_region_to_region(tcx: TyCtxt, lifetime: &hir::Lifetime)
|
||||
@ -1719,33 +1714,28 @@ impl<'o, 'gcx: 'tcx, 'tcx> AstConv<'gcx, 'tcx>+'o {
|
||||
sig: &hir::MethodSig,
|
||||
untransformed_self_ty: Ty<'tcx>)
|
||||
-> (&'tcx ty::BareFnTy<'tcx>, ty::ExplicitSelfCategory) {
|
||||
let self_info = Some(SelfInfo {
|
||||
untransformed_self_ty: untransformed_self_ty,
|
||||
explicit_self: &sig.explicit_self,
|
||||
});
|
||||
let (bare_fn_ty, optional_explicit_self_category) =
|
||||
self.ty_of_method_or_bare_fn(sig.unsafety,
|
||||
sig.abi,
|
||||
self_info,
|
||||
Some(untransformed_self_ty),
|
||||
&sig.decl);
|
||||
(bare_fn_ty, optional_explicit_self_category.unwrap())
|
||||
(bare_fn_ty, optional_explicit_self_category)
|
||||
}
|
||||
|
||||
pub fn ty_of_bare_fn(&self,
|
||||
unsafety: hir::Unsafety, abi: abi::Abi,
|
||||
unsafety: hir::Unsafety,
|
||||
abi: abi::Abi,
|
||||
decl: &hir::FnDecl)
|
||||
-> &'tcx ty::BareFnTy<'tcx> {
|
||||
let (bare_fn_ty, _) = self.ty_of_method_or_bare_fn(unsafety, abi, None, decl);
|
||||
bare_fn_ty
|
||||
self.ty_of_method_or_bare_fn(unsafety, abi, None, decl).0
|
||||
}
|
||||
|
||||
fn ty_of_method_or_bare_fn<'a>(&self,
|
||||
unsafety: hir::Unsafety,
|
||||
abi: abi::Abi,
|
||||
opt_self_info: Option<SelfInfo<'a, 'tcx>>,
|
||||
opt_untransformed_self_ty: Option<Ty<'tcx>>,
|
||||
decl: &hir::FnDecl)
|
||||
-> (&'tcx ty::BareFnTy<'tcx>,
|
||||
Option<ty::ExplicitSelfCategory>)
|
||||
-> (&'tcx ty::BareFnTy<'tcx>, ty::ExplicitSelfCategory)
|
||||
{
|
||||
debug!("ty_of_method_or_bare_fn");
|
||||
|
||||
@ -1758,9 +1748,14 @@ impl<'o, 'gcx: 'tcx, 'tcx> AstConv<'gcx, 'tcx>+'o {
|
||||
// lifetime elision, we can determine it in two ways. First (determined
|
||||
// here), if self is by-reference, then the implied output region is the
|
||||
// region of the self parameter.
|
||||
let (self_ty, explicit_self_category) = match opt_self_info {
|
||||
None => (None, None),
|
||||
Some(self_info) => self.determine_self_type(&rb, self_info)
|
||||
let explicit_self = decl.inputs.get(0).and_then(hir::Arg::to_self);
|
||||
let (self_ty, explicit_self_category) = match (opt_untransformed_self_ty, explicit_self) {
|
||||
(Some(untransformed_self_ty), Some(explicit_self)) => {
|
||||
let self_type = self.determine_self_type(&rb, untransformed_self_ty,
|
||||
&explicit_self);
|
||||
(Some(self_type.0), self_type.1)
|
||||
}
|
||||
_ => (None, ty::ExplicitSelfCategory::Static),
|
||||
};
|
||||
|
||||
// HACK(eddyb) replace the fake self type in the AST with the actual type.
|
||||
@ -1778,7 +1773,7 @@ impl<'o, 'gcx: 'tcx, 'tcx> AstConv<'gcx, 'tcx>+'o {
|
||||
// reference) in the arguments, then any anonymous regions in the output
|
||||
// have that lifetime.
|
||||
let implied_output_region = match explicit_self_category {
|
||||
Some(ty::ExplicitSelfCategory::ByReference(region, _)) => Ok(region),
|
||||
ty::ExplicitSelfCategory::ByReference(region, _) => Ok(region),
|
||||
_ => self.find_implied_output_region(&arg_tys, arg_pats)
|
||||
};
|
||||
|
||||
@ -1803,29 +1798,29 @@ impl<'o, 'gcx: 'tcx, 'tcx> AstConv<'gcx, 'tcx>+'o {
|
||||
|
||||
fn determine_self_type<'a>(&self,
|
||||
rscope: &RegionScope,
|
||||
self_info: SelfInfo<'a, 'tcx>)
|
||||
-> (Option<Ty<'tcx>>, Option<ty::ExplicitSelfCategory>)
|
||||
untransformed_self_ty: Ty<'tcx>,
|
||||
explicit_self: &hir::ExplicitSelf)
|
||||
-> (Ty<'tcx>, ty::ExplicitSelfCategory)
|
||||
{
|
||||
let self_ty = self_info.untransformed_self_ty;
|
||||
return match self_info.explicit_self.node {
|
||||
hir::SelfStatic => (None, Some(ty::ExplicitSelfCategory::Static)),
|
||||
hir::SelfValue(_) => {
|
||||
(Some(self_ty), Some(ty::ExplicitSelfCategory::ByValue))
|
||||
return match explicit_self.node {
|
||||
SelfKind::Value(..) => {
|
||||
(untransformed_self_ty, ty::ExplicitSelfCategory::ByValue)
|
||||
}
|
||||
hir::SelfRegion(ref lifetime, mutability, _) => {
|
||||
SelfKind::Region(ref lifetime, mutability) => {
|
||||
let region =
|
||||
self.opt_ast_region_to_region(rscope,
|
||||
self_info.explicit_self.span,
|
||||
lifetime);
|
||||
(Some(self.tcx().mk_ref(
|
||||
self.opt_ast_region_to_region(
|
||||
rscope,
|
||||
explicit_self.span,
|
||||
lifetime);
|
||||
(self.tcx().mk_ref(
|
||||
self.tcx().mk_region(region),
|
||||
ty::TypeAndMut {
|
||||
ty: self_ty,
|
||||
ty: untransformed_self_ty,
|
||||
mutbl: mutability
|
||||
})),
|
||||
Some(ty::ExplicitSelfCategory::ByReference(region, mutability)))
|
||||
}),
|
||||
ty::ExplicitSelfCategory::ByReference(region, mutability))
|
||||
}
|
||||
hir::SelfExplicit(ref ast_type, _) => {
|
||||
SelfKind::Explicit(ref ast_type, _) => {
|
||||
let explicit_type = self.ast_ty_to_ty(rscope, &ast_type);
|
||||
|
||||
// We wish to (for now) categorize an explicit self
|
||||
@ -1857,13 +1852,13 @@ impl<'o, 'gcx: 'tcx, 'tcx> AstConv<'gcx, 'tcx>+'o {
|
||||
// type has two, so we end up with
|
||||
// ExplicitSelfCategory::ByReference.
|
||||
|
||||
let impl_modifiers = count_modifiers(self_info.untransformed_self_ty);
|
||||
let impl_modifiers = count_modifiers(untransformed_self_ty);
|
||||
let method_modifiers = count_modifiers(explicit_type);
|
||||
|
||||
debug!("determine_explicit_self_category(self_info.untransformed_self_ty={:?} \
|
||||
explicit_type={:?} \
|
||||
modifiers=({},{})",
|
||||
self_info.untransformed_self_ty,
|
||||
untransformed_self_ty,
|
||||
explicit_type,
|
||||
impl_modifiers,
|
||||
method_modifiers);
|
||||
@ -1878,7 +1873,7 @@ impl<'o, 'gcx: 'tcx, 'tcx> AstConv<'gcx, 'tcx>+'o {
|
||||
}
|
||||
};
|
||||
|
||||
(Some(explicit_type), Some(category))
|
||||
(explicit_type, category)
|
||||
}
|
||||
};
|
||||
|
||||
|
@ -361,7 +361,7 @@ pub fn build_impl<'a, 'tcx>(cx: &DocContext,
|
||||
let mut item = method.clean(cx);
|
||||
item.inner = match item.inner.clone() {
|
||||
clean::TyMethodItem(clean::TyMethod {
|
||||
unsafety, decl, self_, generics, abi
|
||||
unsafety, decl, generics, abi
|
||||
}) => {
|
||||
let constness = if tcx.sess.cstore.is_const_fn(did) {
|
||||
hir::Constness::Const
|
||||
@ -373,7 +373,6 @@ pub fn build_impl<'a, 'tcx>(cx: &DocContext,
|
||||
unsafety: unsafety,
|
||||
constness: constness,
|
||||
decl: decl,
|
||||
self_: self_,
|
||||
generics: generics,
|
||||
abi: abi
|
||||
})
|
||||
|
@ -1025,7 +1025,6 @@ impl<'a, 'tcx> Clean<Generics> for (&'a ty::Generics<'tcx>,
|
||||
#[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
|
||||
pub struct Method {
|
||||
pub generics: Generics,
|
||||
pub self_: SelfTy,
|
||||
pub unsafety: hir::Unsafety,
|
||||
pub constness: hir::Constness,
|
||||
pub decl: FnDecl,
|
||||
@ -1034,14 +1033,9 @@ pub struct Method {
|
||||
|
||||
impl Clean<Method> for hir::MethodSig {
|
||||
fn clean(&self, cx: &DocContext) -> Method {
|
||||
let all_inputs = &self.decl.inputs;
|
||||
let inputs = match self.explicit_self.node {
|
||||
hir::SelfStatic => &**all_inputs,
|
||||
_ => &all_inputs[1..]
|
||||
};
|
||||
let decl = FnDecl {
|
||||
inputs: Arguments {
|
||||
values: inputs.clean(cx),
|
||||
values: self.decl.inputs.clean(cx),
|
||||
},
|
||||
output: self.decl.output.clean(cx),
|
||||
variadic: false,
|
||||
@ -1049,7 +1043,6 @@ impl Clean<Method> for hir::MethodSig {
|
||||
};
|
||||
Method {
|
||||
generics: self.generics.clean(cx),
|
||||
self_: self.explicit_self.node.clean(cx),
|
||||
unsafety: self.unsafety,
|
||||
constness: self.constness,
|
||||
decl: decl,
|
||||
@ -1063,19 +1056,14 @@ pub struct TyMethod {
|
||||
pub unsafety: hir::Unsafety,
|
||||
pub decl: FnDecl,
|
||||
pub generics: Generics,
|
||||
pub self_: SelfTy,
|
||||
pub abi: Abi,
|
||||
}
|
||||
|
||||
impl Clean<TyMethod> for hir::MethodSig {
|
||||
fn clean(&self, cx: &DocContext) -> TyMethod {
|
||||
let inputs = match self.explicit_self.node {
|
||||
hir::SelfStatic => &*self.decl.inputs,
|
||||
_ => &self.decl.inputs[1..]
|
||||
};
|
||||
let decl = FnDecl {
|
||||
inputs: Arguments {
|
||||
values: inputs.clean(cx),
|
||||
values: self.decl.inputs.clean(cx),
|
||||
},
|
||||
output: self.decl.output.clean(cx),
|
||||
variadic: false,
|
||||
@ -1084,34 +1072,12 @@ impl Clean<TyMethod> for hir::MethodSig {
|
||||
TyMethod {
|
||||
unsafety: self.unsafety.clone(),
|
||||
decl: decl,
|
||||
self_: self.explicit_self.node.clean(cx),
|
||||
generics: self.generics.clean(cx),
|
||||
abi: self.abi
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Debug)]
|
||||
pub enum SelfTy {
|
||||
SelfStatic,
|
||||
SelfValue,
|
||||
SelfBorrowed(Option<Lifetime>, Mutability),
|
||||
SelfExplicit(Type),
|
||||
}
|
||||
|
||||
impl Clean<SelfTy> for hir::ExplicitSelf_ {
|
||||
fn clean(&self, cx: &DocContext) -> SelfTy {
|
||||
match *self {
|
||||
hir::SelfStatic => SelfStatic,
|
||||
hir::SelfValue(_) => SelfValue,
|
||||
hir::SelfRegion(ref lt, ref mt, _) => {
|
||||
SelfBorrowed(lt.clean(cx), mt.clean(cx))
|
||||
}
|
||||
hir::SelfExplicit(ref typ, _) => SelfExplicit(typ.clean(cx)),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
|
||||
pub struct Function {
|
||||
pub decl: FnDecl,
|
||||
@ -1150,6 +1116,12 @@ pub struct FnDecl {
|
||||
pub attrs: Vec<Attribute>,
|
||||
}
|
||||
|
||||
impl FnDecl {
|
||||
pub fn has_self(&self) -> bool {
|
||||
return self.inputs.values.len() > 0 && self.inputs.values[0].name == "self";
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Debug)]
|
||||
pub struct Arguments {
|
||||
pub values: Vec<Argument>,
|
||||
@ -1185,9 +1157,6 @@ impl<'a, 'tcx> Clean<FnDecl> for (DefId, &'a ty::PolyFnSig<'tcx>) {
|
||||
} else {
|
||||
cx.tcx().sess.cstore.method_arg_names(did).into_iter()
|
||||
}.peekable();
|
||||
if let Some("self") = names.peek().map(|s| &s[..]) {
|
||||
let _ = names.next();
|
||||
}
|
||||
FnDecl {
|
||||
output: Return(sig.0.output.clean(cx)),
|
||||
attrs: Vec::new(),
|
||||
@ -1212,6 +1181,29 @@ pub struct Argument {
|
||||
pub id: ast::NodeId,
|
||||
}
|
||||
|
||||
#[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Debug)]
|
||||
pub enum SelfTy {
|
||||
SelfValue,
|
||||
SelfBorrowed(Option<Lifetime>, Mutability),
|
||||
SelfExplicit(Type),
|
||||
}
|
||||
|
||||
impl Argument {
|
||||
pub fn to_self(&self) -> Option<SelfTy> {
|
||||
if self.name == "self" {
|
||||
match self.type_ {
|
||||
Infer => Some(SelfValue),
|
||||
BorrowedRef{ref lifetime, mutability, ref type_} if **type_ == Infer => {
|
||||
Some(SelfBorrowed(lifetime.clone(), mutability))
|
||||
}
|
||||
_ => Some(SelfExplicit(self.type_.clone()))
|
||||
}
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Clean<Argument> for hir::Arg {
|
||||
fn clean(&self, cx: &DocContext) -> Argument {
|
||||
Argument {
|
||||
@ -1346,36 +1338,21 @@ impl Clean<Item> for hir::ImplItem {
|
||||
|
||||
impl<'tcx> Clean<Item> for ty::Method<'tcx> {
|
||||
fn clean(&self, cx: &DocContext) -> Item {
|
||||
let (self_, sig) = match self.explicit_self {
|
||||
ty::ExplicitSelfCategory::Static => (hir::SelfStatic.clean(cx),
|
||||
self.fty.sig.clone()),
|
||||
s => {
|
||||
let sig = ty::Binder(ty::FnSig {
|
||||
inputs: self.fty.sig.0.inputs[1..].to_vec(),
|
||||
..self.fty.sig.0.clone()
|
||||
});
|
||||
let s = match s {
|
||||
ty::ExplicitSelfCategory::ByValue => SelfValue,
|
||||
ty::ExplicitSelfCategory::ByReference(..) => {
|
||||
match self.fty.sig.0.inputs[0].sty {
|
||||
ty::TyRef(r, mt) => {
|
||||
SelfBorrowed(r.clean(cx), mt.mutbl.clean(cx))
|
||||
}
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
ty::ExplicitSelfCategory::ByBox => {
|
||||
SelfExplicit(self.fty.sig.0.inputs[0].clean(cx))
|
||||
}
|
||||
ty::ExplicitSelfCategory::Static => unreachable!(),
|
||||
};
|
||||
(s, sig)
|
||||
}
|
||||
};
|
||||
|
||||
let generics = (&self.generics, &self.predicates,
|
||||
subst::FnSpace).clean(cx);
|
||||
let decl = (self.def_id, &sig).clean(cx);
|
||||
let mut decl = (self.def_id, &self.fty.sig).clean(cx);
|
||||
match self.explicit_self {
|
||||
ty::ExplicitSelfCategory::ByValue => {
|
||||
decl.inputs.values[0].type_ = Infer;
|
||||
}
|
||||
ty::ExplicitSelfCategory::ByReference(..) => {
|
||||
match decl.inputs.values[0].type_ {
|
||||
BorrowedRef{ref mut type_, ..} => **type_ = Infer,
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
let provided = match self.container {
|
||||
ty::ImplContainer(..) => false,
|
||||
ty::TraitContainer(did) => {
|
||||
@ -1388,7 +1365,6 @@ impl<'tcx> Clean<Item> for ty::Method<'tcx> {
|
||||
MethodItem(Method {
|
||||
unsafety: self.fty.unsafety,
|
||||
generics: generics,
|
||||
self_: self_,
|
||||
decl: decl,
|
||||
abi: self.fty.abi,
|
||||
|
||||
@ -1399,7 +1375,6 @@ impl<'tcx> Clean<Item> for ty::Method<'tcx> {
|
||||
TyMethodItem(TyMethod {
|
||||
unsafety: self.fty.unsafety,
|
||||
generics: generics,
|
||||
self_: self_,
|
||||
decl: decl,
|
||||
abi: self.fty.abi,
|
||||
})
|
||||
|
@ -43,7 +43,7 @@ pub struct UnsafetySpace(pub hir::Unsafety);
|
||||
#[derive(Copy, Clone)]
|
||||
pub struct ConstnessSpace(pub hir::Constness);
|
||||
/// Wrapper struct for properly emitting a method declaration.
|
||||
pub struct Method<'a>(pub &'a clean::SelfTy, pub &'a clean::FnDecl);
|
||||
pub struct Method<'a>(pub &'a clean::FnDecl);
|
||||
/// Similar to VisSpace, but used for mutability
|
||||
#[derive(Copy, Clone)]
|
||||
pub struct MutableSpace(pub clean::Mutability);
|
||||
@ -642,29 +642,31 @@ impl fmt::Display for clean::FnDecl {
|
||||
|
||||
impl<'a> fmt::Display for Method<'a> {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
let Method(selfty, d) = *self;
|
||||
let decl = self.0;
|
||||
let mut args = String::new();
|
||||
match *selfty {
|
||||
clean::SelfStatic => {},
|
||||
clean::SelfValue => args.push_str("self"),
|
||||
clean::SelfBorrowed(Some(ref lt), mtbl) => {
|
||||
args.push_str(&format!("&{} {}self", *lt, MutableSpace(mtbl)));
|
||||
}
|
||||
clean::SelfBorrowed(None, mtbl) => {
|
||||
args.push_str(&format!("&{}self", MutableSpace(mtbl)));
|
||||
}
|
||||
clean::SelfExplicit(ref typ) => {
|
||||
args.push_str(&format!("self: {}", *typ));
|
||||
}
|
||||
}
|
||||
for (i, input) in d.inputs.values.iter().enumerate() {
|
||||
for (i, input) in decl.inputs.values.iter().enumerate() {
|
||||
if i > 0 || !args.is_empty() { args.push_str(", "); }
|
||||
if !input.name.is_empty() {
|
||||
args.push_str(&format!("{}: ", input.name));
|
||||
if let Some(selfty) = input.to_self() {
|
||||
match selfty {
|
||||
clean::SelfValue => args.push_str("self"),
|
||||
clean::SelfBorrowed(Some(ref lt), mtbl) => {
|
||||
args.push_str(&format!("&{} {}self", *lt, MutableSpace(mtbl)));
|
||||
}
|
||||
clean::SelfBorrowed(None, mtbl) => {
|
||||
args.push_str(&format!("&{}self", MutableSpace(mtbl)));
|
||||
}
|
||||
clean::SelfExplicit(ref typ) => {
|
||||
args.push_str(&format!("self: {}", *typ));
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if !input.name.is_empty() {
|
||||
args.push_str(&format!("{}: ", input.name));
|
||||
}
|
||||
args.push_str(&format!("{}", input.type_));
|
||||
}
|
||||
args.push_str(&format!("{}", input.type_));
|
||||
}
|
||||
write!(f, "({args}){arrow}", args = args, arrow = d.output)
|
||||
write!(f, "({args}){arrow}", args = args, arrow = decl.output)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -62,7 +62,7 @@ use rustc::middle::stability;
|
||||
use rustc::session::config::get_unstable_features_setting;
|
||||
use rustc::hir;
|
||||
|
||||
use clean::{self, SelfTy, Attributes, GetDefId};
|
||||
use clean::{self, Attributes, GetDefId};
|
||||
use doctree;
|
||||
use fold::DocFolder;
|
||||
use html::escape::Escape;
|
||||
@ -592,8 +592,6 @@ fn build_index(krate: &clean::Crate, cache: &mut Cache) -> String {
|
||||
for &(did, ref item) in orphan_methods {
|
||||
match paths.get(&did) {
|
||||
Some(&(ref fqp, _)) => {
|
||||
// Needed to determine `self` type.
|
||||
let parent_basename = Some(fqp[fqp.len() - 1].clone());
|
||||
search_index.push(IndexItem {
|
||||
ty: shortty(item),
|
||||
name: item.name.clone().unwrap(),
|
||||
@ -601,7 +599,7 @@ fn build_index(krate: &clean::Crate, cache: &mut Cache) -> String {
|
||||
desc: Escape(&shorter(item.doc_value())).to_string(),
|
||||
parent: Some(did),
|
||||
parent_idx: None,
|
||||
search_type: get_index_search_type(&item, parent_basename),
|
||||
search_type: get_index_search_type(&item),
|
||||
});
|
||||
},
|
||||
None => {}
|
||||
@ -1081,13 +1079,6 @@ impl DocFolder for Cache {
|
||||
|
||||
match parent {
|
||||
(parent, Some(path)) if is_method || (!self.stripped_mod) => {
|
||||
// Needed to determine `self` type.
|
||||
let parent_basename = self.parent_stack.first().and_then(|parent| {
|
||||
match self.paths.get(parent) {
|
||||
Some(&(ref fqp, _)) => Some(fqp[fqp.len() - 1].clone()),
|
||||
_ => None
|
||||
}
|
||||
});
|
||||
debug_assert!(!item.is_stripped());
|
||||
|
||||
// A crate has a module at its root, containing all items,
|
||||
@ -1101,7 +1092,7 @@ impl DocFolder for Cache {
|
||||
desc: Escape(&shorter(item.doc_value())).to_string(),
|
||||
parent: parent,
|
||||
parent_idx: None,
|
||||
search_type: get_index_search_type(&item, parent_basename),
|
||||
search_type: get_index_search_type(&item),
|
||||
});
|
||||
}
|
||||
}
|
||||
@ -2167,7 +2158,6 @@ fn render_assoc_item(w: &mut fmt::Formatter,
|
||||
constness: hir::Constness,
|
||||
abi: abi::Abi,
|
||||
g: &clean::Generics,
|
||||
selfty: &clean::SelfTy,
|
||||
d: &clean::FnDecl,
|
||||
link: AssocItemLink)
|
||||
-> fmt::Result {
|
||||
@ -2201,18 +2191,18 @@ fn render_assoc_item(w: &mut fmt::Formatter,
|
||||
href = href,
|
||||
name = name,
|
||||
generics = *g,
|
||||
decl = Method(selfty, d),
|
||||
decl = Method(d),
|
||||
where_clause = WhereClause(g))
|
||||
}
|
||||
match item.inner {
|
||||
clean::StrippedItem(..) => Ok(()),
|
||||
clean::TyMethodItem(ref m) => {
|
||||
method(w, item, m.unsafety, hir::Constness::NotConst,
|
||||
m.abi, &m.generics, &m.self_, &m.decl, link)
|
||||
m.abi, &m.generics, &m.decl, link)
|
||||
}
|
||||
clean::MethodItem(ref m) => {
|
||||
method(w, item, m.unsafety, m.constness,
|
||||
m.abi, &m.generics, &m.self_, &m.decl,
|
||||
m.abi, &m.generics, &m.decl,
|
||||
link)
|
||||
}
|
||||
clean::AssociatedConstItem(ref ty, ref default) => {
|
||||
@ -2570,8 +2560,8 @@ fn render_impl(w: &mut fmt::Formatter, cx: &Context, i: &Impl, link: AssocItemLi
|
||||
let name = item.name.as_ref().unwrap();
|
||||
|
||||
let is_static = match item.inner {
|
||||
clean::MethodItem(ref method) => method.self_ == SelfTy::SelfStatic,
|
||||
clean::TyMethodItem(ref method) => method.self_ == SelfTy::SelfStatic,
|
||||
clean::MethodItem(ref method) => !method.decl.has_self(),
|
||||
clean::TyMethodItem(ref method) => !method.decl.has_self(),
|
||||
_ => false
|
||||
};
|
||||
|
||||
@ -2760,27 +2750,15 @@ fn make_item_keywords(it: &clean::Item) -> String {
|
||||
format!("{}, {}", BASIC_KEYWORDS, it.name.as_ref().unwrap())
|
||||
}
|
||||
|
||||
fn get_index_search_type(item: &clean::Item,
|
||||
parent: Option<String>) -> Option<IndexItemFunctionType> {
|
||||
let (decl, selfty) = match item.inner {
|
||||
clean::FunctionItem(ref f) => (&f.decl, None),
|
||||
clean::MethodItem(ref m) => (&m.decl, Some(&m.self_)),
|
||||
clean::TyMethodItem(ref m) => (&m.decl, Some(&m.self_)),
|
||||
fn get_index_search_type(item: &clean::Item) -> Option<IndexItemFunctionType> {
|
||||
let decl = match item.inner {
|
||||
clean::FunctionItem(ref f) => &f.decl,
|
||||
clean::MethodItem(ref m) => &m.decl,
|
||||
clean::TyMethodItem(ref m) => &m.decl,
|
||||
_ => return None
|
||||
};
|
||||
|
||||
let mut inputs = Vec::new();
|
||||
|
||||
// Consider `self` an argument as well.
|
||||
match parent.and_then(|p| selfty.map(|s| (p, s)) ) {
|
||||
Some((_, &clean::SelfStatic)) | None => (),
|
||||
Some((name, _)) => inputs.push(Type { name: Some(name.to_ascii_lowercase()) }),
|
||||
}
|
||||
|
||||
inputs.extend(&mut decl.inputs.values.iter().map(|arg| {
|
||||
get_index_type(&arg.type_)
|
||||
}));
|
||||
|
||||
let inputs = decl.inputs.values.iter().map(|arg| get_index_type(&arg.type_)).collect();
|
||||
let output = match decl.output {
|
||||
clean::FunctionRetTy::Return(ref return_type) => Some(get_index_type(return_type)),
|
||||
_ => None
|
||||
|
Loading…
x
Reference in New Issue
Block a user