use crate::index::Index;
-use crate::index_builder::{FromId, IndexBuilder, Untracked};
-use crate::isolated_encoder::IsolatedEncoder;
use crate::schema::*;
use rustc::middle::cstore::{LinkagePreference, NativeLibrary,
use syntax::ast;
use syntax::attr;
use syntax::source_map::Spanned;
-use syntax::symbol::{keywords, sym};
+use syntax::symbol::{kw, sym};
use syntax_pos::{self, FileName, SourceFile, Span};
use log::{debug, trace};
opaque: opaque::Encoder,
pub tcx: TyCtxt<'a, 'tcx, 'tcx>,
+ entries_index: Index<'tcx>,
+
lazy_state: LazyState,
type_shorthands: FxHashMap<Ty<'tcx>, usize>,
predicate_shorthands: FxHashMap<ty::Predicate<'tcx>, usize>,
})
}
- // Encodes something that corresponds to a single DepNode::GlobalMetaData
- // and registers the Fingerprint in the `metadata_hashes` map.
- pub fn tracked<'x, DATA, R>(&'x mut self,
- op: fn(&mut IsolatedEncoder<'x, 'a, 'tcx>, DATA) -> R,
- data: DATA)
- -> R {
- op(&mut IsolatedEncoder::new(self), data)
+ /// Emit the data for a `DefId` to the metadata. The function to
+ /// emit the data is `op`, and it will be given `data` as
+ /// arguments. This `record` function will call `op` to generate
+ /// the `Entry` (which may point to other encoded information)
+ /// and will then record the `Lazy<Entry>` for use in the index.
+ // FIXME(eddyb) remove this.
+ pub fn record<DATA>(&mut self,
+ id: DefId,
+ op: impl FnOnce(&mut Self, DATA) -> Entry<'tcx>,
+ data: DATA)
+ {
+ assert!(id.is_local());
+
+ let entry = op(self, data);
+ let entry = self.lazy(&entry);
+ self.entries_index.record(id, entry);
}
- fn encode_info_for_items(&mut self) -> Index {
+ fn encode_info_for_items(&mut self) {
let krate = self.tcx.hir().krate();
- let mut index = IndexBuilder::new(self);
let vis = Spanned { span: syntax_pos::DUMMY_SP, node: hir::VisibilityKind::Public };
- index.record(DefId::local(CRATE_DEF_INDEX),
- IsolatedEncoder::encode_info_for_mod,
- FromId(hir::CRATE_HIR_ID, (&krate.module, &krate.attrs, &vis)));
- let mut visitor = EncodeVisitor { index };
- krate.visit_all_item_likes(&mut visitor.as_deep_visitor());
+ self.record(DefId::local(CRATE_DEF_INDEX),
+ EncodeContext::encode_info_for_mod,
+ (hir::CRATE_HIR_ID, &krate.module, &krate.attrs, &vis));
+ krate.visit_all_item_likes(&mut self.as_deep_visitor());
for macro_def in &krate.exported_macros {
- visitor.visit_macro_def(macro_def);
+ self.visit_macro_def(macro_def);
}
- visitor.index.into_items()
}
fn encode_def_path_table(&mut self) -> Lazy<DefPathTable> {
self.lazy_seq_ref(adapted.iter().map(|rc| &**rc))
}
- fn encode_crate_root(&mut self) -> Lazy<CrateRoot> {
+ fn encode_crate_root(&mut self) -> Lazy<CrateRoot<'tcx>> {
let mut i = self.position();
- let crate_deps = self.tracked(IsolatedEncoder::encode_crate_deps, ());
- let dylib_dependency_formats = self.tracked(
- IsolatedEncoder::encode_dylib_dependency_formats,
- ());
+ let crate_deps = self.encode_crate_deps();
+ let dylib_dependency_formats = self.encode_dylib_dependency_formats();
let dep_bytes = self.position() - i;
// Encode the lib features.
i = self.position();
- let lib_features = self.tracked(IsolatedEncoder::encode_lib_features, ());
+ let lib_features = self.encode_lib_features();
let lib_feature_bytes = self.position() - i;
// Encode the language items.
i = self.position();
- let lang_items = self.tracked(IsolatedEncoder::encode_lang_items, ());
- let lang_items_missing = self.tracked(
- IsolatedEncoder::encode_lang_items_missing,
- ());
+ let lang_items = self.encode_lang_items();
+ let lang_items_missing = self.encode_lang_items_missing();
let lang_item_bytes = self.position() - i;
// Encode the native libraries used
i = self.position();
- let native_libraries = self.tracked(
- IsolatedEncoder::encode_native_libraries,
- ());
+ let native_libraries = self.encode_native_libraries();
let native_lib_bytes = self.position() - i;
- let foreign_modules = self.tracked(
- IsolatedEncoder::encode_foreign_modules,
- ());
+ let foreign_modules = self.encode_foreign_modules();
// Encode source_map
i = self.position();
// Encode the def IDs of impls, for coherence checking.
i = self.position();
- let impls = self.tracked(IsolatedEncoder::encode_impls, ());
+ let impls = self.encode_impls();
let impl_bytes = self.position() - i;
// Encode exported symbols info.
i = self.position();
let exported_symbols = self.tcx.exported_symbols(LOCAL_CRATE);
- let exported_symbols = self.tracked(
- IsolatedEncoder::encode_exported_symbols,
- &exported_symbols);
+ let exported_symbols = self.encode_exported_symbols(&exported_symbols);
let exported_symbols_bytes = self.position() - i;
let tcx = self.tcx;
// Encode the items.
i = self.position();
- let items = self.encode_info_for_items();
+ self.encode_info_for_items();
let item_bytes = self.position() - i;
// Encode the allocation index
self.lazy_seq(interpret_alloc_index)
};
- // Index the items
i = self.position();
- let index = items.write_index(&mut self.opaque);
- let index_bytes = self.position() - i;
+ let entries_index = self.entries_index.write_index(&mut self.opaque);
+ let entries_index_bytes = self.position() - i;
let attrs = tcx.hir().krate_attrs();
let is_proc_macro = tcx.sess.crate_types.borrow().contains(&CrateType::ProcMacro);
impls,
exported_symbols,
interpret_alloc_index,
- index,
+ entries_index,
});
let total_bytes = self.position();
println!(" exp. symbols bytes: {}", exported_symbols_bytes);
println!(" def-path table bytes: {}", def_path_table_bytes);
println!(" item bytes: {}", item_bytes);
- println!(" index bytes: {}", index_bytes);
+ println!(" entries index bytes: {}", entries_index_bytes);
println!(" zero bytes: {}", zero_bytes);
println!(" total bytes: {}", total_bytes);
}
}
}
-// These are methods for encoding various things. They are meant to be used with
-// IndexBuilder::record() and EncodeContext::tracked(). They actually
-// would not have to be methods of IsolatedEncoder (free standing functions
-// taking IsolatedEncoder as first argument would be just fine) but by making
-// them methods we don't have to repeat the lengthy `<'a, 'b: 'a, 'tcx: 'b>`
-// clause again and again.
-impl<'a, 'b: 'a, 'tcx: 'b> IsolatedEncoder<'a, 'b, 'tcx> {
+impl EncodeContext<'_, 'tcx> {
fn encode_variances_of(&mut self, def_id: DefId) -> LazySeq<ty::Variance> {
- debug!("IsolatedEncoder::encode_variances_of({:?})", def_id);
+ debug!("EncodeContext::encode_variances_of({:?})", def_id);
let tcx = self.tcx;
- self.lazy_seq_from_slice(&tcx.variances_of(def_id))
+ self.lazy_seq_ref(&tcx.variances_of(def_id)[..])
}
fn encode_item_type(&mut self, def_id: DefId) -> Lazy<Ty<'tcx>> {
let tcx = self.tcx;
let ty = tcx.type_of(def_id);
- debug!("IsolatedEncoder::encode_item_type({:?}) => {:?}", def_id, ty);
+ debug!("EncodeContext::encode_item_type({:?}) => {:?}", def_id, ty);
self.lazy(&ty)
}
- /// Encode data for the given variant of the given ADT. The
- /// index of the variant is untracked: this is ok because we
- /// will have to lookup the adt-def by its id, and that gives us
- /// the right to access any information in the adt-def (including,
- /// e.g., the length of the various vectors).
fn encode_enum_variant_info(
&mut self,
- (enum_did, Untracked(index)): (DefId, Untracked<VariantIdx>),
+ (enum_did, index): (DefId, VariantIdx),
) -> Entry<'tcx> {
let tcx = self.tcx;
let def = tcx.adt_def(enum_did);
let variant = &def.variants[index];
let def_id = variant.def_id;
- debug!("IsolatedEncoder::encode_enum_variant_info({:?})", def_id);
+ debug!("EncodeContext::encode_enum_variant_info({:?})", def_id);
let data = VariantData {
ctor_kind: variant.ctor_kind,
}
}
- /// Encode the constructor for the given variant of the given ADT. See
- /// `encode_enum_variant_info` for an explanation about why the index is untracked.
fn encode_enum_variant_ctor(
&mut self,
- (enum_did, Untracked(index)): (DefId, Untracked<VariantIdx>),
+ (enum_did, index): (DefId, VariantIdx),
) -> Entry<'tcx> {
let tcx = self.tcx;
let def = tcx.adt_def(enum_did);
let variant = &def.variants[index];
let def_id = variant.ctor_def_id.unwrap();
- debug!("IsolatedEncoder::encode_enum_variant_ctor({:?})", def_id);
+ debug!("EncodeContext::encode_enum_variant_ctor({:?})", def_id);
let data = VariantData {
ctor_kind: variant.ctor_kind,
}
}
- fn encode_info_for_mod(&mut self,
- FromId(id, (md, attrs, vis)): FromId<(&hir::Mod,
- &[ast::Attribute],
- &hir::Visibility)>)
- -> Entry<'tcx> {
+ fn encode_info_for_mod(
+ &mut self,
+ (id, md, attrs, vis): (hir::HirId, &hir::Mod, &[ast::Attribute], &hir::Visibility),
+ ) -> Entry<'tcx> {
let tcx = self.tcx;
let def_id = tcx.hir().local_def_id_from_hir_id(id);
- debug!("IsolatedEncoder::encode_info_for_mod({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_mod({:?})", def_id);
let data = ModData {
reexports: match tcx.module_exports(def_id) {
- Some(ref exports) => self.lazy_seq_from_slice(exports.as_slice()),
+ Some(exports) => self.lazy_seq_ref(exports),
_ => LazySeq::empty(),
},
};
}
}
- /// Encode data for the given field of the given variant of the
- /// given ADT. The indices of the variant/field are untracked:
- /// this is ok because we will have to lookup the adt-def by its
- /// id, and that gives us the right to access any information in
- /// the adt-def (including, e.g., the length of the various
- /// vectors).
- fn encode_field(&mut self,
- (adt_def_id, Untracked((variant_index, field_index))): (DefId,
- Untracked<(VariantIdx,
- usize)>))
- -> Entry<'tcx> {
+ fn encode_field(
+ &mut self,
+ (adt_def_id, variant_index, field_index): (DefId, VariantIdx, usize),
+ ) -> Entry<'tcx> {
let tcx = self.tcx;
let variant = &tcx.adt_def(adt_def_id).variants[variant_index];
let field = &variant.fields[field_index];
let def_id = field.did;
- debug!("IsolatedEncoder::encode_field({:?})", def_id);
+ debug!("EncodeContext::encode_field({:?})", def_id);
let variant_id = tcx.hir().as_local_hir_id(variant.def_id).unwrap();
let variant_data = tcx.hir().expect_variant_data(variant_id);
}
fn encode_struct_ctor(&mut self, (adt_def_id, def_id): (DefId, DefId)) -> Entry<'tcx> {
- debug!("IsolatedEncoder::encode_struct_ctor({:?})", def_id);
+ debug!("EncodeContext::encode_struct_ctor({:?})", def_id);
let tcx = self.tcx;
let adt_def = tcx.adt_def(adt_def_id);
let variant = adt_def.non_enum_variant();
}
fn encode_generics(&mut self, def_id: DefId) -> Lazy<ty::Generics> {
- debug!("IsolatedEncoder::encode_generics({:?})", def_id);
+ debug!("EncodeContext::encode_generics({:?})", def_id);
let tcx = self.tcx;
self.lazy(tcx.generics_of(def_id))
}
fn encode_predicates(&mut self, def_id: DefId) -> Lazy<ty::GenericPredicates<'tcx>> {
- debug!("IsolatedEncoder::encode_predicates({:?})", def_id);
+ debug!("EncodeContext::encode_predicates({:?})", def_id);
let tcx = self.tcx;
self.lazy(&tcx.predicates_of(def_id))
}
fn encode_predicates_defined_on(&mut self, def_id: DefId) -> Lazy<ty::GenericPredicates<'tcx>> {
- debug!("IsolatedEncoder::encode_predicates_defined_on({:?})", def_id);
+ debug!("EncodeContext::encode_predicates_defined_on({:?})", def_id);
let tcx = self.tcx;
self.lazy(&tcx.predicates_defined_on(def_id))
}
fn encode_info_for_trait_item(&mut self, def_id: DefId) -> Entry<'tcx> {
- debug!("IsolatedEncoder::encode_info_for_trait_item({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_trait_item({:?})", def_id);
let tcx = self.tcx;
let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap();
let container = match trait_item.defaultness {
hir::Defaultness::Default { has_value: true } =>
- AssociatedContainer::TraitWithDefault,
+ AssocContainer::TraitWithDefault,
hir::Defaultness::Default { has_value: false } =>
- AssociatedContainer::TraitRequired,
+ AssocContainer::TraitRequired,
hir::Defaultness::Final =>
span_bug!(ast_item.span, "traits cannot have final items"),
};
let kind = match trait_item.kind {
- ty::AssociatedKind::Const => {
+ ty::AssocKind::Const => {
let const_qualif =
if let hir::TraitItemKind::Const(_, Some(body)) = ast_item.node {
self.const_qualif(0, body)
hir::print::to_string(self.tcx.hir(), |s| s.print_trait_item(ast_item));
let rendered_const = self.lazy(&RenderedConst(rendered));
- EntryKind::AssociatedConst(container, const_qualif, rendered_const)
+ EntryKind::AssocConst(container, const_qualif, rendered_const)
}
- ty::AssociatedKind::Method => {
+ ty::AssocKind::Method => {
let fn_data = if let hir::TraitItemKind::Method(_, ref m) = ast_item.node {
let arg_names = match *m {
hir::TraitMethod::Required(ref names) => {
has_self: trait_item.method_has_self_argument,
}))
}
- ty::AssociatedKind::Type => EntryKind::AssociatedType(container),
- ty::AssociatedKind::Existential =>
+ ty::AssocKind::Type => EntryKind::AssocType(container),
+ ty::AssocKind::Existential =>
span_bug!(ast_item.span, "existential type in trait"),
};
deprecation: self.encode_deprecation(def_id),
ty: match trait_item.kind {
- ty::AssociatedKind::Const |
- ty::AssociatedKind::Method => {
+ ty::AssocKind::Const |
+ ty::AssocKind::Method => {
Some(self.encode_item_type(def_id))
}
- ty::AssociatedKind::Type => {
+ ty::AssocKind::Type => {
if trait_item.defaultness.has_value() {
Some(self.encode_item_type(def_id))
} else {
None
}
}
- ty::AssociatedKind::Existential => unreachable!(),
+ ty::AssocKind::Existential => unreachable!(),
},
inherent_impls: LazySeq::empty(),
- variances: if trait_item.kind == ty::AssociatedKind::Method {
+ variances: if trait_item.kind == ty::AssocKind::Method {
self.encode_variances_of(def_id)
} else {
LazySeq::empty()
}
fn encode_info_for_impl_item(&mut self, def_id: DefId) -> Entry<'tcx> {
- debug!("IsolatedEncoder::encode_info_for_impl_item({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_impl_item({:?})", def_id);
let tcx = self.tcx;
let hir_id = self.tcx.hir().as_local_hir_id(def_id).unwrap();
let impl_item = self.tcx.associated_item(def_id);
let container = match impl_item.defaultness {
- hir::Defaultness::Default { has_value: true } => AssociatedContainer::ImplDefault,
- hir::Defaultness::Final => AssociatedContainer::ImplFinal,
+ hir::Defaultness::Default { has_value: true } => AssocContainer::ImplDefault,
+ hir::Defaultness::Final => AssocContainer::ImplFinal,
hir::Defaultness::Default { has_value: false } =>
span_bug!(ast_item.span, "impl items always have values (currently)"),
};
let kind = match impl_item.kind {
- ty::AssociatedKind::Const => {
+ ty::AssocKind::Const => {
if let hir::ImplItemKind::Const(_, body_id) = ast_item.node {
let mir = self.tcx.at(ast_item.span).mir_const_qualif(def_id).0;
- EntryKind::AssociatedConst(container,
+ EntryKind::AssocConst(container,
self.const_qualif(mir, body_id),
self.encode_rendered_const_for_body(body_id))
} else {
bug!()
}
}
- ty::AssociatedKind::Method => {
+ ty::AssocKind::Method => {
let fn_data = if let hir::ImplItemKind::Method(ref sig, body) = ast_item.node {
FnData {
constness: sig.header.constness,
has_self: impl_item.method_has_self_argument,
}))
}
- ty::AssociatedKind::Existential => EntryKind::AssociatedExistential(container),
- ty::AssociatedKind::Type => EntryKind::AssociatedType(container)
+ ty::AssocKind::Existential => EntryKind::AssocExistential(container),
+ ty::AssocKind::Type => EntryKind::AssocType(container)
};
let mir =
ty: Some(self.encode_item_type(def_id)),
inherent_impls: LazySeq::empty(),
- variances: if impl_item.kind == ty::AssociatedKind::Method {
+ variances: if impl_item.kind == ty::AssocKind::Method {
self.encode_variances_of(def_id)
} else {
LazySeq::empty()
self.lazy_seq(body.arguments.iter().map(|arg| {
match arg.pat.node {
PatKind::Binding(_, _, ident, _) => ident.name,
- _ => keywords::Invalid.name(),
+ _ => kw::Invalid,
}
}))
})
self.lazy_seq(param_names.iter().map(|ident| ident.name))
}
- fn encode_optimized_mir(&mut self, def_id: DefId) -> Option<Lazy<mir::Mir<'tcx>>> {
+ fn encode_optimized_mir(&mut self, def_id: DefId) -> Option<Lazy<mir::Body<'tcx>>> {
debug!("EntryBuilder::encode_mir({:?})", def_id);
if self.tcx.mir_keys(LOCAL_CRATE).contains(&def_id) {
let mir = self.tcx.optimized_mir(def_id);
// Encodes the inherent implementations of a structure, enumeration, or trait.
fn encode_inherent_implementations(&mut self, def_id: DefId) -> LazySeq<DefIndex> {
- debug!("IsolatedEncoder::encode_inherent_implementations({:?})", def_id);
+ debug!("EncodeContext::encode_inherent_implementations({:?})", def_id);
let implementations = self.tcx.inherent_impls(def_id);
if implementations.is_empty() {
LazySeq::empty()
}
fn encode_stability(&mut self, def_id: DefId) -> Option<Lazy<attr::Stability>> {
- debug!("IsolatedEncoder::encode_stability({:?})", def_id);
+ debug!("EncodeContext::encode_stability({:?})", def_id);
self.tcx.lookup_stability(def_id).map(|stab| self.lazy(stab))
}
fn encode_deprecation(&mut self, def_id: DefId) -> Option<Lazy<attr::Deprecation>> {
- debug!("IsolatedEncoder::encode_deprecation({:?})", def_id);
+ debug!("EncodeContext::encode_deprecation({:?})", def_id);
self.tcx.lookup_deprecation(def_id).map(|depr| self.lazy(&depr))
}
fn encode_info_for_item(&mut self, (def_id, item): (DefId, &'tcx hir::Item)) -> Entry<'tcx> {
let tcx = self.tcx;
- debug!("IsolatedEncoder::encode_info_for_item({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_item({:?})", def_id);
let kind = match item.node {
hir::ItemKind::Static(_, hir::MutMutable, _) => EntryKind::MutStatic,
EntryKind::Fn(self.lazy(&data))
}
hir::ItemKind::Mod(ref m) => {
- return self.encode_info_for_mod(FromId(item.hir_id, (m, &item.attrs, &item.vis)));
+ return self.encode_info_for_mod((item.hir_id, m, &item.attrs, &item.vis));
}
hir::ItemKind::ForeignMod(_) => EntryKind::ForeignMod,
hir::ItemKind::GlobalAsm(..) => EntryKind::GlobalAsm,
fn encode_info_for_ty_param(
&mut self,
- (def_id, Untracked(encode_type)): (DefId, Untracked<bool>),
+ (def_id, encode_type): (DefId, bool),
) -> Entry<'tcx> {
- debug!("IsolatedEncoder::encode_info_for_ty_param({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_ty_param({:?})", def_id);
self.encode_info_for_generic_param(def_id, EntryKind::TypeParam, encode_type)
}
&mut self,
def_id: DefId,
) -> Entry<'tcx> {
- debug!("IsolatedEncoder::encode_info_for_const_param({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_const_param({:?})", def_id);
self.encode_info_for_generic_param(def_id, EntryKind::ConstParam, true)
}
fn encode_info_for_closure(&mut self, def_id: DefId) -> Entry<'tcx> {
- debug!("IsolatedEncoder::encode_info_for_closure({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_closure({:?})", def_id);
let tcx = self.tcx;
let tables = self.tcx.typeck_tables_of(def_id);
}
fn encode_info_for_anon_const(&mut self, def_id: DefId) -> Entry<'tcx> {
- debug!("IsolatedEncoder::encode_info_for_anon_const({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_anon_const({:?})", def_id);
let tcx = self.tcx;
let id = tcx.hir().as_local_hir_id(def_id).unwrap();
let body_id = tcx.hir().body_owned_by(id);
}
fn encode_attributes(&mut self, attrs: &[ast::Attribute]) -> LazySeq<ast::Attribute> {
- // NOTE: This must use lazy_seq_from_slice(), not lazy_seq() because
- // we rely on the HashStable specialization for [Attribute]
- // to properly filter things out.
- self.lazy_seq_from_slice(attrs)
+ self.lazy_seq_ref(attrs)
}
- fn encode_native_libraries(&mut self, _: ()) -> LazySeq<NativeLibrary> {
+ fn encode_native_libraries(&mut self) -> LazySeq<NativeLibrary> {
let used_libraries = self.tcx.native_libraries(LOCAL_CRATE);
self.lazy_seq(used_libraries.iter().cloned())
}
- fn encode_foreign_modules(&mut self, _: ()) -> LazySeq<ForeignModule> {
+ fn encode_foreign_modules(&mut self) -> LazySeq<ForeignModule> {
let foreign_modules = self.tcx.foreign_modules(LOCAL_CRATE);
self.lazy_seq(foreign_modules.iter().cloned())
}
- fn encode_crate_deps(&mut self, _: ()) -> LazySeq<CrateDep> {
+ fn encode_crate_deps(&mut self) -> LazySeq<CrateDep> {
let crates = self.tcx.crates();
let mut deps = crates
self.lazy_seq_ref(deps.iter().map(|&(_, ref dep)| dep))
}
- fn encode_lib_features(&mut self
, _: ()) -> LazySeq<(ast::Name, Option<ast::Name>)> {
+ fn encode_lib_features(&mut self) -> LazySeq<(ast::Name, Option<ast::Name>)> {
let tcx = self.tcx;
let lib_features = tcx.lib_features();
self.lazy_seq(lib_features.to_vec())
}
- fn encode_lang_items(&mut self, _: ()) -> LazySeq<(DefIndex, usize)> {
+ fn encode_lang_items(&mut self) -> LazySeq<(DefIndex, usize)> {
let tcx = self.tcx;
let lang_items = tcx.lang_items();
let lang_items = lang_items.items().iter();
}))
}
- fn encode_lang_items_missing(&mut self, _: ()) -> LazySeq<lang_items::LangItem> {
+ fn encode_lang_items_missing(&mut self) -> LazySeq<lang_items::LangItem> {
let tcx = self.tcx;
self.lazy_seq_ref(&tcx.lang_items().missing)
}
/// Encodes an index, mapping each trait to its (local) implementations.
- fn encode_impls(&mut self, _: ()) -> LazySeq<TraitImpls> {
- debug!("IsolatedEncoder::encode_impls()");
+ fn encode_impls(&mut self) -> LazySeq<TraitImpls> {
+ debug!("EncodeContext::encode_impls()");
let tcx = self.tcx;
let mut visitor = ImplVisitor {
tcx,
TraitImpls {
trait_id: (trait_def_id.krate.as_u32(), trait_def_id.index),
- impls: self.lazy_seq_from_slice(&impls[..]),
+ impls: self.lazy_seq_ref(&impls),
}
})
.collect();
- self.lazy_seq_from_slice(&all_impls[..])
+ self.lazy_seq_ref(&all_impls)
}
// Encodes all symbols exported from this crate into the metadata.
// symbol associated with them (they weren't translated) or if they're an FFI
// definition (as that's not defined in this crate).
fn encode_exported_symbols(&mut self,
- exported_symbols: &[(ExportedSymbol<'_>, SymbolExportLevel)])
- -> EncodedExportedSymbols {
+ exported_symbols: &[(ExportedSymbol<'tcx>, SymbolExportLevel)])
+ -> LazySeq<(ExportedSymbol<'tcx>, SymbolExportLevel)> {
// The metadata symbol name is special. It should not show up in
// downstream crates.
let metadata_symbol_name = SymbolName::new(&metadata_symbol_name(self.tcx));
- let lazy_seq = self.lazy_seq(exported_symbols
+ self.lazy_seq(exported_symbols
.iter()
.filter(|&&(ref exported_symbol, _)| {
match *exported_symbol {
_ => true,
}
})
- .cloned());
-
- EncodedExportedSymbols {
- len: lazy_seq.len,
- position: lazy_seq.position,
- }
+ .cloned())
}
- fn encode_dylib_dependency_formats(&mut self, _: ()) -> LazySeq<Option<LinkagePreference>> {
+ fn encode_dylib_dependency_formats(&mut self) -> LazySeq<Option<LinkagePreference>> {
match self.tcx.sess.dependency_formats.borrow().get(&config::CrateType::Dylib) {
Some(arr) => {
self.lazy_seq(arr.iter().map(|slot| {
-> Entry<'tcx> {
let tcx = self.tcx;
- debug!("IsolatedEncoder::encode_info_for_foreign_item({:?})", def_id);
+ debug!("EncodeContext::encode_info_for_foreign_item({:?})", def_id);
let kind = match nitem.node {
hir::ForeignItemKind::Fn(_, ref names, _) => {
}
}
-struct EncodeVisitor<'a, 'b: 'a, 'tcx: 'b> {
- index: IndexBuilder<'a, 'b, 'tcx>,
-}
-
-impl<'a, 'b, 'tcx> Visitor<'tcx> for EncodeVisitor<'a, 'b, 'tcx> {
+impl Visitor<'tcx> for EncodeContext<'_, 'tcx> {
fn nested_visit_map<'this>(&'this mut self) -> NestedVisitorMap<'this, 'tcx> {
- NestedVisitorMap::OnlyBodies(&self.index.tcx.hir())
+ NestedVisitorMap::OnlyBodies(&self.tcx.hir())
}
fn visit_expr(&mut self, ex: &'tcx hir::Expr) {
intravisit::walk_expr(self, ex);
- self.index.encode_info_for_expr(ex);
+ self.encode_info_for_expr(ex);
}
fn visit_item(&mut self, item: &'tcx hir::Item) {
intravisit::walk_item(self, item);
- let def_id = self.index.tcx.hir().local_def_id_from_hir_id(item.hir_id);
+ let def_id = self.tcx.hir().local_def_id_from_hir_id(item.hir_id);
match item.node {
hir::ItemKind::ExternCrate(_) |
- hir::ItemKind::Use(..) => (), // ignore these
- _ => self.index.record(def_id, IsolatedEncoder::encode_info_for_item, (def_id, item)),
+ hir::ItemKind::Use(..) => {} // ignore these
+ _ => self.record(def_id, EncodeContext::encode_info_for_item, (def_id, item)),
}
- self.index.encode_addl_info_for_item(item);
+ self.encode_addl_info_for_item(item);
}
fn visit_foreign_item(&mut self, ni: &'tcx hir::ForeignItem) {
intravisit::walk_foreign_item(self, ni);
- let def_id = self.index.tcx.hir().local_def_id_from_hir_id(ni.hir_id);
- self.index.record(def_id,
- IsolatedEncoder::encode_info_for_foreign_item,
+ let def_id = self.tcx.hir().local_def_id_from_hir_id(ni.hir_id);
+ self.record(def_id,
+ EncodeContext::encode_info_for_foreign_item,
(def_id, ni));
}
fn visit_variant(&mut self,
intravisit::walk_variant(self, v, g, id);
if let Some(ref discr) = v.node.disr_expr {
- let def_id = self.index.tcx.hir().local_def_id_from_hir_id(discr.hir_id);
- self.index.record(def_id, IsolatedEncoder::encode_info_for_anon_const, def_id);
+ let def_id = self.tcx.hir().local_def_id_from_hir_id(discr.hir_id);
+ self.record(def_id, EncodeContext::encode_info_for_anon_const, def_id);
}
}
fn visit_generics(&mut self, generics: &'tcx hir::Generics) {
intravisit::walk_generics(self, generics);
- self.index.encode_info_for_generics(generics);
+ self.encode_info_for_generics(generics);
}
fn visit_ty(&mut self, ty: &'tcx hir::Ty) {
intravisit::walk_ty(self, ty);
- self.index.encode_info_for_ty(ty);
+ self.encode_info_for_ty(ty);
}
fn visit_macro_def(&mut self, macro_def: &'tcx hir::MacroDef) {
- let def_id = self.index.tcx.hir().local_def_id_from_hir_id(macro_def.hir_id);
- self.index.record(def_id, IsolatedEncoder::encode_info_for_macro_def, macro_def);
+ let def_id = self.tcx.hir().local_def_id_from_hir_id(macro_def.hir_id);
+ self.record(def_id, EncodeContext::encode_info_for_macro_def, macro_def);
}
}
-impl<'a, 'b, 'tcx> IndexBuilder<'a, 'b, 'tcx> {
+impl EncodeContext<'_, 'tcx> {
fn encode_fields(&mut self, adt_def_id: DefId) {
let def = self.tcx.adt_def(adt_def_id);
for (variant_index, variant) in def.variants.iter_enumerated() {
for (field_index, field) in variant.fields.iter().enumerate() {
self.record(field.did,
- IsolatedEncoder::encode_field,
- (adt_def_id, Untracked((variant_index, field_index))));
+ EncodeContext::encode_field,
+ (adt_def_id, variant_index, field_index));
}
}
}
GenericParamKind::Type { ref default, .. } => {
self.record(
def_id,
- IsolatedEncoder::encode_info_for_ty_param,
- (def_id, Untracked(default.is_some())),
+ EncodeContext::encode_info_for_ty_param,
+ (def_id, default.is_some()),
);
}
GenericParamKind::Const { .. } => {
- self.record(def_id, IsolatedEncoder::encode_info_for_const_param, def_id);
+ self.record(def_id, EncodeContext::encode_info_for_const_param, def_id);
}
}
}
match ty.node {
hir::TyKind::Array(_, ref length) => {
let def_id = self.tcx.hir().local_def_id_from_hir_id(length.hir_id);
- self.record(def_id, IsolatedEncoder::encode_info_for_anon_const, def_id);
+ self.record(def_id, EncodeContext::encode_info_for_anon_const, def_id);
}
_ => {}
}
match expr.node {
hir::ExprKind::Closure(..) => {
let def_id = self.tcx.hir().local_def_id_from_hir_id(expr.hir_id);
- self.record(def_id, IsolatedEncoder::encode_info_for_closure, def_id);
+ self.record(def_id, EncodeContext::encode_info_for_closure, def_id);
}
_ => {}
}
let def = self.tcx.adt_def(def_id);
for (i, variant) in def.variants.iter_enumerated() {
self.record(variant.def_id,
- IsolatedEncoder::encode_enum_variant_info,
- (def_id, Untracked(i)));
+ EncodeContext::encode_enum_variant_info,
+ (def_id, i));
if let Some(ctor_def_id) = variant.ctor_def_id {
self.record(ctor_def_id,
- IsolatedEncoder::encode_enum_variant_ctor,
- (def_id, Untracked(i)));
+ EncodeContext::encode_enum_variant_ctor,
+ (def_id, i));
}
}
}
if let Some(ctor_hir_id) = struct_def.ctor_hir_id() {
let ctor_def_id = self.tcx.hir().local_def_id_from_hir_id(ctor_hir_id);
self.record(ctor_def_id,
- IsolatedEncoder::encode_struct_ctor,
+ EncodeContext::encode_struct_ctor,
(def_id, ctor_def_id));
}
}
hir::ItemKind::Impl(..) => {
for &trait_item_def_id in self.tcx.associated_item_def_ids(def_id).iter() {
self.record(trait_item_def_id,
- IsolatedEncoder::encode_info_for_impl_item,
+ EncodeContext::encode_info_for_impl_item,
trait_item_def_id);
}
}
hir::ItemKind::Trait(..) => {
for &item_def_id in self.tcx.associated_item_def_ids(def_id).iter() {
self.record(item_def_id,
- IsolatedEncoder::encode_info_for_trait_item,
+ EncodeContext::encode_info_for_trait_item,
item_def_id);
}
}
// Will be filled with the root position after encoding everything.
encoder.emit_raw_bytes(&[0, 0, 0, 0]);
- let (root, mut result) = {
+ // Since encoding metadata is not in a query, and nothing is cached,
+ // there's no need to do dep-graph tracking for any of it.
+ let (root, mut result) = tcx.dep_graph.with_ignore(move || {
let mut ecx = EncodeContext {
opaque: encoder,
tcx,
+ entries_index: Index::new(tcx.hir().definitions().def_index_count()),
lazy_state: LazyState::NoNode,
type_shorthands: Default::default(),
predicate_shorthands: Default::default(),
// culminating in the `CrateRoot` which points to all of it.
let root = ecx.encode_crate_root();
(root, ecx.opaque.into_inner())
- };
+ });
// Encode the root position.
let header = METADATA_HEADER.len();
projects / rust.git / blobdiff