use syntax::ext::base::SyntaxExtension;
use syntax::ext::base::Determinacy::{self, Determined, Undetermined};
use syntax::ext::base::MacroKind;
-use syntax::symbol::{Symbol, keywords, sym};
+use syntax::symbol::{Symbol, kw, sym};
use syntax::util::lev_distance::find_best_match_for_name;
use syntax::visit::{self, FnKind, Visitor};
| Res::Def(DefKind::Trait, _)
| Res::Def(DefKind::TraitAlias, _)
| Res::Def(DefKind::TyAlias, _)
- | Res::Def(DefKind::AssociatedTy, _)
+ | Res::Def(DefKind::AssocTy, _)
| Res::PrimTy(..)
| Res::Def(DefKind::TyParam, _)
| Res::SelfTy(..)
| Res::Upvar(..)
| Res::Def(DefKind::Fn, _)
| Res::Def(DefKind::Method, _)
- | Res::Def(DefKind::AssociatedConst, _)
+ | Res::Def(DefKind::AssocConst, _)
| Res::SelfCtor(..)
| Res::Def(DefKind::ConstParam, _) => true,
_ => false,
},
PathSource::Pat => match res {
Res::Def(DefKind::Ctor(_, CtorKind::Const), _) |
- Res::Def(DefKind::Const, _) | Res::Def(DefKind::AssociatedConst, _) |
+ Res::Def(DefKind::Const, _) | Res::Def(DefKind::AssocConst, _) |
Res::SelfCtor(..) => true,
_ => false,
},
| Res::Def(DefKind::Union, _)
| Res::Def(DefKind::Variant, _)
| Res::Def(DefKind::TyAlias, _)
- | Res::Def(DefKind::AssociatedTy, _)
+ | Res::Def(DefKind::AssocTy, _)
| Res::SelfTy(..) => true,
_ => false,
},
PathSource::TraitItem(ns) => match res {
- Res::Def(DefKind::AssociatedConst, _)
+ Res::Def(DefKind::AssocConst, _)
| Res::Def(DefKind::Method, _) if ns == ValueNS => true,
- Res::Def(DefKind::AssociatedTy, _) if ns == TypeNS => true,
+ Res::Def(DefKind::AssocTy, _) if ns == TypeNS => true,
_ => false,
},
PathSource::Visibility => match res {
ItemKind::Use(..) => {
// don't suggest placing a use before the prelude
// import or other generated ones
- if item.span.ctxt().outer().expn_info().is_none() {
+ if item.span.ctxt().outer_expn_info().is_none() {
self.span = Some(item.span.shrink_to_lo());
self.found_use = true;
return;
ItemKind::ExternCrate(_) => {}
// but place them before the first other item
_ => if self.span.map_or(true, |span| item.span < span ) {
- if item.span.ctxt().outer().expn_info().is_none() {
+ if item.span.ctxt().outer_expn_info().is_none() {
// don't insert between attributes and an item
if item.attrs.is_empty() {
self.span = Some(item.span.shrink_to_lo());
self.smart_resolve_path(ty.id, qself.as_ref(), path, PathSource::Type);
}
TyKind::ImplicitSelf => {
- let self_ty = keywords::SelfUpper.ident();
+ let self_ty = Ident::with_empty_ctxt(kw::SelfUpper);
let res = self.resolve_ident_in_lexical_scope(self_ty, TypeNS, Some(ty.id), ty.span)
.map_or(Res::Err, |d| d.res());
self.record_partial_res(ty.id, PartialRes::new(res));
FnKind::ItemFn(_, ref header, ..) =>
(FnItemRibKind, &header.asyncness.node),
FnKind::Method(_, ref sig, _, _) =>
- (TraitOrImplItemRibKind, &sig.header.asyncness.node),
+ (AssocItemRibKind, &sig.header.asyncness.node),
FnKind::Closure(_) =>
// Async closures aren't resolved through `visit_fn`-- they're
// processed separately
/// methods or associated types. Allow references to ty params that impl or trait
/// binds. Disallow any other upvars (including other ty params that are
/// upvars).
- TraitOrImplItemRibKind,
+ AssocItemRibKind,
/// We passed through a function definition. Disallow upvars.
/// Permit only those const parameters that are specified in the function's generics.
fn is_importable(&self) -> bool {
match self.res() {
- Res::Def(DefKind::AssociatedConst, _)
+ Res::Def(DefKind::AssocConst, _)
| Res::Def(DefKind::Method, _)
- | Res::Def(DefKind::AssociatedTy, _) => false,
+ | Res::Def(DefKind::AssocTy, _) => false,
_ => true,
}
}
is_value: bool
) -> hir::Path {
let root = if crate_root.is_some() {
- keywords::PathRoot
+ kw::PathRoot
} else {
- keywords::Crate
+ kw::Crate
};
- let segments = iter::once(root.ident())
+ let segments = iter::once(Ident::with_empty_ctxt(root))
.chain(
crate_root.into_iter()
.chain(components.iter().cloned())
.map(Ident::with_empty_ctxt)
).map(|i| self.new_ast_path_segment(i)).collect::<Vec<_>>();
-
let path = ast::Path {
span,
segments,
let path = if path_str.starts_with("::") {
ast::Path {
span,
- segments: iter::once(keywords::PathRoot.ident())
+ segments: iter::once(Ident::with_empty_ctxt(kw::PathRoot))
.chain({
path_str.split("::").skip(1).map(Ident::from_str)
})
let root_module_kind = ModuleKind::Def(
DefKind::Mod,
root_def_id,
- keywords::Invalid.name(),
+ kw::Invalid,
);
let graph_root = arenas.alloc_module(ModuleData {
no_implicit_prelude: attr::contains_name(&krate.attrs, sym::no_implicit_prelude),
path_span: Span)
-> Option<LexicalScopeBinding<'a>> {
assert!(ns == TypeNS || ns == ValueNS);
- if ident.name == keywords::Invalid.name() {
+ if ident.name == kw::Invalid {
return Some(LexicalScopeBinding::Res(Res::Err));
}
- ident.span = if ident.name == keywords::SelfUpper.name() {
+ ident.span = if ident.name == kw::SelfUpper {
// FIXME(jseyfried) improve `Self` hygiene
ident.span.with_ctxt(SyntaxContext::empty())
} else if ns == TypeNS {
fn hygienic_lexical_parent(&mut self, module: Module<'a>, span: &mut Span)
-> Option<Module<'a>> {
- if !module.expansion.is_descendant_of(span.ctxt().outer()) {
+ if !module.expansion.outer_is_descendant_of(span.ctxt()) {
return Some(self.macro_def_scope(span.remove_mark()));
}
module.expansion.is_descendant_of(parent.expansion) {
// The macro is a proc macro derive
if module.expansion.looks_like_proc_macro_derive() {
- if parent.expansion.is_descendant_of(span.ctxt().outer()) {
+ if parent.expansion.outer_is_descendant_of(span.ctxt()) {
*poisoned = Some(node_id);
return module.parent;
}
fn resolve_crate_root(&mut self, ident: Ident) -> Module<'a> {
let mut ctxt = ident.span.ctxt();
- let mark = if ident.name == keywords::DollarCrate.name() {
+ let mark = if ident.name == kw::DollarCrate {
// When resolving `$crate` from a `macro_rules!` invoked in a `macro`,
// we don't want to pretend that the `macro_rules!` definition is in the `macro`
// as described in `SyntaxContext::apply_mark`, so we ignore prepended modern marks.
for trait_item in trait_items {
let generic_params = HasGenericParams(&trait_item.generics,
- TraitOrImplItemRibKind);
+ AssocItemRibKind);
this.with_generic_param_rib(generic_params, |this| {
match trait_item.node {
TraitItemKind::Const(ref ty, ref default) => {
let mut self_type_rib = Rib::new(NormalRibKind);
// Plain insert (no renaming, since types are not currently hygienic)
- self_type_rib.bindings.insert(keywords::SelfUpper.ident(), self_res);
+ self_type_rib.bindings.insert(Ident::with_empty_ctxt(kw::SelfUpper), self_res);
self.ribs[TypeNS].push(self_type_rib);
f(self);
self.ribs[TypeNS].pop();
{
let self_res = Res::SelfCtor(impl_id);
let mut self_type_rib = Rib::new(NormalRibKind);
- self_type_rib.bindings.insert(keywords::SelfUpper.ident(), self_res);
+ self_type_rib.bindings.insert(Ident::with_empty_ctxt(kw::SelfUpper), self_res);
self.ribs[ValueNS].push(self_type_rib);
f(self);
self.ribs[ValueNS].pop();
// We also need a new scope for the impl item type parameters.
let generic_params = HasGenericParams(&impl_item.generics,
- TraitOrImplItemRibKind);
+ AssocItemRibKind);
this.with_generic_param_rib(generic_params, |this| {
use self::ResolutionError::*;
match impl_item.node {
}
None => {
// A completely fresh binding, add to the lists if it's valid.
- if ident.name != keywords::Invalid.name() {
+ if ident.name != kw::Invalid {
bindings.insert(ident, outer_pat_id);
self.ribs[ValueNS].last_mut().unwrap().bindings.insert(ident, res);
}
}
fn self_type_is_available(&mut self, span: Span) -> bool {
- let binding = self.resolve_ident_in_lexical_scope(keywords::SelfUpper.ident(),
+ let binding = self.resolve_ident_in_lexical_scope(Ident::with_empty_ctxt(kw::SelfUpper),
TypeNS, None, span);
if let Some(LexicalScopeBinding::Res(res)) = binding { res != Res::Err } else { false }
}
fn self_value_is_available(&mut self, self_span: Span, path_span: Span) -> bool {
- let ident = Ident::new(keywords::SelfLower.name(), self_span);
+ let ident = Ident::new(kw::SelfLower, self_span);
let binding = self.resolve_ident_in_lexical_scope(ident, ValueNS, None, path_span);
if let Some(LexicalScopeBinding::Res(res)) = binding { res != Res::Err } else { false }
}
};
if path.len() > 1 && !global_by_default && result.base_res() != Res::Err &&
- path[0].ident.name != keywords::PathRoot.name() &&
- path[0].ident.name != keywords::DollarCrate.name() {
+ path[0].ident.name != kw::PathRoot &&
+ path[0].ident.name != kw::DollarCrate {
let unqualified_result = {
match self.resolve_path_without_parent_scope(
&[*path.last().unwrap()],
let name = ident.name;
allow_super &= ns == TypeNS &&
- (name == keywords::SelfLower.name() ||
- name == keywords::Super.name());
+ (name == kw::SelfLower ||
+ name == kw::Super);
if ns == TypeNS {
- if allow_super && name == keywords::Super.name() {
+ if allow_super && name == kw::Super {
let mut ctxt = ident.span.ctxt().modern();
let self_module = match i {
0 => Some(self.resolve_self(&mut ctxt, self.current_module)),
};
}
if i == 0 {
- if name == keywords::SelfLower.name() {
+ if name == kw::SelfLower {
let mut ctxt = ident.span.ctxt().modern();
module = Some(ModuleOrUniformRoot::Module(
self.resolve_self(&mut ctxt, self.current_module)));
continue;
}
- if name == keywords::PathRoot.name() && ident.span.rust_2018() {
+ if name == kw::PathRoot && ident.span.rust_2018() {
module = Some(ModuleOrUniformRoot::ExternPrelude);
continue;
}
- if name == keywords::PathRoot.name() &&
+ if name == kw::PathRoot &&
ident.span.rust_2015() && self.session.rust_2018() {
// `::a::b` from 2015 macro on 2018 global edition
module = Some(ModuleOrUniformRoot::CrateRootAndExternPrelude);
continue;
}
- if name == keywords::PathRoot.name() ||
- name == keywords::Crate.name() ||
- name == keywords::DollarCrate.name() {
+ if name == kw::PathRoot ||
+ name == kw::Crate ||
+ name == kw::DollarCrate {
// `::a::b`, `crate::a::b` or `$crate::a::b`
module = Some(ModuleOrUniformRoot::Module(
self.resolve_crate_root(ident)));
// Report special messages for path segment keywords in wrong positions.
if ident.is_path_segment_keyword() && i != 0 {
- let name_str = if name == keywords::PathRoot.name() {
+ let name_str = if name == kw::PathRoot {
"crate root".to_string()
} else {
format!("`{}`", name)
};
- let label = if i == 1 && path[0].ident.name == keywords::PathRoot.name() {
+ let label = if i == 1 && path[0].ident.name == kw::PathRoot {
format!("global paths cannot start with {}", name_str)
} else {
format!("{} in paths can only be used in start position", name_str)
// We're only interested in `use` paths which should start with
// `{{root}}` currently.
- if first_name != keywords::PathRoot.name() {
+ if first_name != kw::PathRoot {
return
}
match path.get(1) {
// If this import looks like `crate::...` it's already good
- Some(Segment { ident, .. }) if ident.name == keywords::Crate.name() => return,
+ Some(Segment { ident, .. }) if ident.name == kw::Crate => return,
// Otherwise go below to see if it's an extern crate
Some(_) => {}
// If the path has length one (and it's `PathRoot` most likely)
Res::Upvar(..) => {
span_bug!(span, "unexpected {:?} in bindings", res)
}
- Res::Local(node_id) => {
+ Res::Local(var_id) => {
use ResolutionError::*;
let mut res_err = None;
// Nothing to do. Continue.
}
ClosureRibKind(function_id) => {
- let prev_res = res;
+ let parent = match res {
+ Res::Upvar(_, i, closure) => Some((closure, i)),
+ _ => None,
+ };
let seen = self.upvars_seen
.entry(function_id)
.or_default();
- if let Some(&index) = seen.get(&node_id) {
- res = Res::Upvar(node_id, index, function_id);
+ if let Some(&index) = seen.get(&var_id) {
+ res = Res::Upvar(var_id, index, function_id);
continue;
}
let vec = self.upvars
.entry(function_id)
.or_default();
let depth = vec.len();
- res = Res::Upvar(node_id, depth, function_id);
+ res = Res::Upvar(var_id, depth, function_id);
if record_used {
vec.push(Upvar {
- res: prev_res,
+ var_id,
+ parent,
span,
});
- seen.insert(node_id, depth);
+ seen.insert(var_id, depth);
}
}
- ItemRibKind | FnItemRibKind | TraitOrImplItemRibKind => {
+ ItemRibKind | FnItemRibKind | AssocItemRibKind => {
// This was an attempt to access an upvar inside a
// named function item. This is not allowed, so we
// report an error.
Res::Def(DefKind::TyParam, _) | Res::SelfTy(..) => {
for rib in ribs {
match rib.kind {
- NormalRibKind | TraitOrImplItemRibKind | ClosureRibKind(..) |
+ NormalRibKind | AssocItemRibKind | ClosureRibKind(..) |
ModuleRibKind(..) | MacroDefinition(..) | ForwardTyParamBanRibKind |
ConstantItemRibKind | TyParamAsConstParamTy => {
// Nothing to do. Continue.
{
let mut candidates = Vec::new();
let mut seen_modules = FxHashSet::default();
- let not_local_module = crate_name != keywords::Crate.ident();
+ let not_local_module = crate_name.name != kw::Crate;
let mut worklist = vec![(start_module, Vec::<ast::PathSegment>::new(), not_local_module)];
while let Some((in_module,
where FilterFn: Fn(Res) -> bool
{
let mut suggestions = self.lookup_import_candidates_from_module(
- lookup_ident, namespace, self.graph_root, keywords::Crate.ident(), &filter_fn);
+ lookup_ident, namespace, self.graph_root, Ident::with_empty_ctxt(kw::Crate), &filter_fn
+ );
if lookup_ident.span.rust_2018() {
let extern_prelude_names = self.extern_prelude.clone();
} else {
let ctxt = ident.span.ctxt();
Some(Segment::from_ident(Ident::new(
- keywords::PathRoot.name(), path.span.shrink_to_lo().with_ctxt(ctxt)
+ kw::PathRoot, path.span.shrink_to_lo().with_ctxt(ctxt)
)))
};
}
fn is_self_type(path: &[Segment], namespace: Namespace) -> bool {
- namespace == TypeNS && path.len() == 1 && path[0].ident.name == keywords::SelfUpper.name()
+ namespace == TypeNS && path.len() == 1 && path[0].ident.name == kw::SelfUpper
}
fn is_self_value(path: &[Segment], namespace: Namespace) -> bool {
- namespace == ValueNS && path.len() == 1 && path[0].ident.name == keywords::SelfLower.name()
+ namespace == ValueNS && path.len() == 1 && path[0].ident.name == kw::SelfLower
}
fn names_to_string(idents: &[Ident]) -> String {
let mut result = String::new();
for (i, ident) in idents.iter()
- .filter(|ident| ident.name != keywords::PathRoot.name())
+ .filter(|ident| ident.name != kw::PathRoot)
.enumerate() {
if i > 0 {
result.push_str("::");
projects / rust.git / blobdiff