1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
17 use middle::cstore::{CrateStore, CrateSource, ChildItem, FoundAst};
18 use middle::cstore::{NativeLibraryKind, LinkMeta, LinkagePreference};
20 use middle::lang_items;
21 use middle::ty::{self, Ty, VariantKind};
22 use middle::def_id::{DefId, DefIndex};
24 use rustc::front::map as hir_map;
25 use rustc::mir::repr::Mir;
26 use rustc::mir::mir_map::MirMap;
27 use rustc::util::nodemap::{FnvHashMap, NodeMap, NodeSet};
29 use std::cell::RefCell;
31 use std::path::PathBuf;
34 use syntax::parse::token;
35 use rustc_back::svh::Svh;
36 use rustc_back::target::Target;
39 impl<'tcx> CrateStore<'tcx> for cstore::CStore {
40 fn stability(&self, def: DefId) -> Option<attr::Stability>
42 let cdata = self.get_crate_data(def.krate);
43 decoder::get_stability(&*cdata, def.index)
46 fn deprecation(&self, def: DefId) -> Option<attr::Deprecation>
48 let cdata = self.get_crate_data(def.krate);
49 decoder::get_deprecation(&*cdata, def.index)
52 fn closure_kind(&self, _tcx: &ty::ctxt<'tcx>, def_id: DefId) -> ty::ClosureKind
54 assert!(!def_id.is_local());
55 let cdata = self.get_crate_data(def_id.krate);
56 decoder::closure_kind(&*cdata, def_id.index)
59 fn closure_ty(&self, tcx: &ty::ctxt<'tcx>, def_id: DefId) -> ty::ClosureTy<'tcx>
61 assert!(!def_id.is_local());
62 let cdata = self.get_crate_data(def_id.krate);
63 decoder::closure_ty(&*cdata, def_id.index, tcx)
66 fn item_variances(&self, def: DefId) -> ty::ItemVariances {
67 let cdata = self.get_crate_data(def.krate);
68 decoder::get_item_variances(&*cdata, def.index)
71 fn repr_attrs(&self, def: DefId) -> Vec<attr::ReprAttr> {
72 let cdata = self.get_crate_data(def.krate);
73 decoder::get_repr_attrs(&*cdata, def.index)
76 fn item_type(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
77 -> ty::TypeScheme<'tcx>
79 let cdata = self.get_crate_data(def.krate);
80 decoder::get_type(&*cdata, def.index, tcx)
83 fn item_predicates(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
84 -> ty::GenericPredicates<'tcx>
86 let cdata = self.get_crate_data(def.krate);
87 decoder::get_predicates(&*cdata, def.index, tcx)
90 fn item_super_predicates(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
91 -> ty::GenericPredicates<'tcx>
93 let cdata = self.get_crate_data(def.krate);
94 decoder::get_super_predicates(&*cdata, def.index, tcx)
97 fn item_attrs(&self, def_id: DefId) -> Vec<ast::Attribute>
99 let cdata = self.get_crate_data(def_id.krate);
100 decoder::get_item_attrs(&*cdata, def_id.index)
103 fn item_symbol(&self, def: DefId) -> String
105 let cdata = self.get_crate_data(def.krate);
106 decoder::get_symbol(&cdata, def.index)
109 fn trait_def(&self, tcx: &ty::ctxt<'tcx>, def: DefId) -> ty::TraitDef<'tcx>
111 let cdata = self.get_crate_data(def.krate);
112 decoder::get_trait_def(&*cdata, def.index, tcx)
115 fn adt_def(&self, tcx: &ty::ctxt<'tcx>, def: DefId) -> ty::AdtDefMaster<'tcx>
117 let cdata = self.get_crate_data(def.krate);
118 decoder::get_adt_def(&self.intr, &*cdata, def.index, tcx)
121 fn method_arg_names(&self, did: DefId) -> Vec<String>
123 let cdata = self.get_crate_data(did.krate);
124 decoder::get_method_arg_names(&cdata, did.index)
127 fn item_path(&self, def: DefId) -> Vec<hir_map::PathElem> {
128 let cdata = self.get_crate_data(def.krate);
129 let path = decoder::get_item_path(&*cdata, def.index);
131 cdata.with_local_path(|cpath| {
132 let mut r = Vec::with_capacity(cpath.len() + path.len());
133 r.extend_from_slice(cpath);
134 r.extend_from_slice(&path);
139 fn extern_item_path(&self, def: DefId) -> Vec<hir_map::PathElem> {
140 let cdata = self.get_crate_data(def.krate);
141 let path = decoder::get_item_path(&*cdata, def.index);
143 let mut r = Vec::with_capacity(path.len() + 1);
144 let crate_name = hir_map::PathMod(token::intern(&cdata.name));
146 r.extend_from_slice(&path);
150 fn item_name(&self, def: DefId) -> ast::Name {
151 let cdata = self.get_crate_data(def.krate);
152 decoder::get_item_name(&self.intr, &cdata, def.index)
156 fn inherent_implementations_for_type(&self, def_id: DefId) -> Vec<DefId>
158 let mut result = vec![];
159 let cdata = self.get_crate_data(def_id.krate);
160 decoder::each_inherent_implementation_for_type(&*cdata, def_id.index,
161 |iid| result.push(iid));
165 fn implementations_of_trait(&self, def_id: DefId) -> Vec<DefId>
167 let mut result = vec![];
168 self.iter_crate_data(|_, cdata| {
169 decoder::each_implementation_for_trait(cdata, def_id, &mut |iid| {
176 fn provided_trait_methods(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
177 -> Vec<Rc<ty::Method<'tcx>>>
179 let cdata = self.get_crate_data(def.krate);
180 decoder::get_provided_trait_methods(self.intr.clone(), &*cdata, def.index, tcx)
183 fn trait_item_def_ids(&self, def: DefId)
184 -> Vec<ty::ImplOrTraitItemId>
186 let cdata = self.get_crate_data(def.krate);
187 decoder::get_trait_item_def_ids(&*cdata, def.index)
190 fn impl_items(&self, impl_def_id: DefId) -> Vec<ty::ImplOrTraitItemId>
192 let cdata = self.get_crate_data(impl_def_id.krate);
193 decoder::get_impl_items(&*cdata, impl_def_id.index)
196 fn impl_polarity(&self, def: DefId) -> Option<hir::ImplPolarity>
198 let cdata = self.get_crate_data(def.krate);
199 decoder::get_impl_polarity(&*cdata, def.index)
202 fn impl_trait_ref(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
203 -> Option<ty::TraitRef<'tcx>>
205 let cdata = self.get_crate_data(def.krate);
206 decoder::get_impl_trait(&*cdata, def.index, tcx)
209 fn custom_coerce_unsized_kind(&self, def: DefId)
210 -> Option<ty::adjustment::CustomCoerceUnsized>
212 let cdata = self.get_crate_data(def.krate);
213 decoder::get_custom_coerce_unsized_kind(&*cdata, def.index)
217 fn associated_consts(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
218 -> Vec<Rc<ty::AssociatedConst<'tcx>>> {
219 let cdata = self.get_crate_data(def.krate);
220 decoder::get_associated_consts(self.intr.clone(), &*cdata, def.index, tcx)
223 fn trait_of_item(&self, tcx: &ty::ctxt<'tcx>, def_id: DefId) -> Option<DefId>
225 let cdata = self.get_crate_data(def_id.krate);
226 decoder::get_trait_of_item(&*cdata, def_id.index, tcx)
229 fn impl_or_trait_item(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
230 -> ty::ImplOrTraitItem<'tcx>
232 let cdata = self.get_crate_data(def.krate);
233 decoder::get_impl_or_trait_item(
240 fn is_const_fn(&self, did: DefId) -> bool
242 let cdata = self.get_crate_data(did.krate);
243 decoder::is_const_fn(&cdata, did.index)
246 fn is_defaulted_trait(&self, trait_def_id: DefId) -> bool
248 let cdata = self.get_crate_data(trait_def_id.krate);
249 decoder::is_defaulted_trait(&*cdata, trait_def_id.index)
252 fn is_impl(&self, did: DefId) -> bool
254 let cdata = self.get_crate_data(did.krate);
255 decoder::is_impl(&*cdata, did.index)
258 fn is_default_impl(&self, impl_did: DefId) -> bool {
259 let cdata = self.get_crate_data(impl_did.krate);
260 decoder::is_default_impl(&*cdata, impl_did.index)
263 fn is_extern_item(&self, tcx: &ty::ctxt<'tcx>, did: DefId) -> bool {
264 let cdata = self.get_crate_data(did.krate);
265 decoder::is_extern_item(&*cdata, did.index, tcx)
268 fn is_static_method(&self, def: DefId) -> bool
270 let cdata = self.get_crate_data(def.krate);
271 decoder::is_static_method(&*cdata, def.index)
274 fn is_statically_included_foreign_item(&self, id: ast::NodeId) -> bool
276 self.do_is_statically_included_foreign_item(id)
279 fn is_typedef(&self, did: DefId) -> bool {
280 let cdata = self.get_crate_data(did.krate);
281 decoder::is_typedef(&*cdata, did.index)
284 fn dylib_dependency_formats(&self, cnum: ast::CrateNum)
285 -> Vec<(ast::CrateNum, LinkagePreference)>
287 let cdata = self.get_crate_data(cnum);
288 decoder::get_dylib_dependency_formats(&cdata)
291 fn lang_items(&self, cnum: ast::CrateNum) -> Vec<(DefIndex, usize)>
293 let mut result = vec![];
294 let crate_data = self.get_crate_data(cnum);
295 decoder::each_lang_item(&*crate_data, |did, lid| {
296 result.push((did, lid)); true
301 fn missing_lang_items(&self, cnum: ast::CrateNum)
302 -> Vec<lang_items::LangItem>
304 let cdata = self.get_crate_data(cnum);
305 decoder::get_missing_lang_items(&*cdata)
308 fn is_staged_api(&self, cnum: ast::CrateNum) -> bool
310 self.get_crate_data(cnum).staged_api
313 fn is_explicitly_linked(&self, cnum: ast::CrateNum) -> bool
315 self.get_crate_data(cnum).explicitly_linked.get()
318 fn is_allocator(&self, cnum: ast::CrateNum) -> bool
320 self.get_crate_data(cnum).is_allocator()
323 fn crate_attrs(&self, cnum: ast::CrateNum) -> Vec<ast::Attribute>
325 decoder::get_crate_attributes(self.get_crate_data(cnum).data())
328 fn crate_name(&self, cnum: ast::CrateNum) -> String
330 self.get_crate_data(cnum).name.clone()
333 fn crate_hash(&self, cnum: ast::CrateNum) -> Svh
335 let cdata = self.get_crate_data(cnum);
336 decoder::get_crate_hash(cdata.data())
339 fn crate_struct_field_attrs(&self, cnum: ast::CrateNum)
340 -> FnvHashMap<DefId, Vec<ast::Attribute>>
342 decoder::get_struct_field_attrs(&*self.get_crate_data(cnum))
345 fn plugin_registrar_fn(&self, cnum: ast::CrateNum) -> Option<DefId>
347 let cdata = self.get_crate_data(cnum);
348 decoder::get_plugin_registrar_fn(cdata.data()).map(|index| DefId {
354 fn native_libraries(&self, cnum: ast::CrateNum) -> Vec<(NativeLibraryKind, String)>
356 let cdata = self.get_crate_data(cnum);
357 decoder::get_native_libraries(&*cdata)
360 fn reachable_ids(&self, cnum: ast::CrateNum) -> Vec<DefId>
362 let cdata = self.get_crate_data(cnum);
363 decoder::get_reachable_ids(&*cdata)
366 fn def_path(&self, def: DefId) -> hir_map::DefPath
368 let cdata = self.get_crate_data(def.krate);
369 let path = decoder::def_path(&*cdata, def.index);
370 let local_path = cdata.local_def_path();
371 local_path.into_iter().chain(path).collect()
374 fn variant_kind(&self, def_id: DefId) -> Option<VariantKind> {
375 let cdata = self.get_crate_data(def_id.krate);
376 decoder::get_variant_kind(&cdata, def_id.index)
379 fn struct_ctor_def_id(&self, struct_def_id: DefId) -> Option<DefId>
381 let cdata = self.get_crate_data(struct_def_id.krate);
382 decoder::get_struct_ctor_def_id(&cdata, struct_def_id.index)
385 fn tuple_struct_definition_if_ctor(&self, did: DefId) -> Option<DefId>
387 let cdata = self.get_crate_data(did.krate);
388 decoder::get_tuple_struct_definition_if_ctor(&*cdata, did.index)
391 fn struct_field_names(&self, def: DefId) -> Vec<ast::Name>
393 let cdata = self.get_crate_data(def.krate);
394 decoder::get_struct_field_names(&self.intr, &*cdata, def.index)
397 fn item_children(&self, def_id: DefId) -> Vec<ChildItem>
399 let mut result = vec![];
400 let crate_data = self.get_crate_data(def_id.krate);
401 let get_crate_data = |cnum| self.get_crate_data(cnum);
402 decoder::each_child_of_item(
403 self.intr.clone(), &*crate_data,
404 def_id.index, get_crate_data,
405 |def, name, vis| result.push(ChildItem {
413 fn crate_top_level_items(&self, cnum: ast::CrateNum) -> Vec<ChildItem>
415 let mut result = vec![];
416 let crate_data = self.get_crate_data(cnum);
417 let get_crate_data = |cnum| self.get_crate_data(cnum);
418 decoder::each_top_level_item_of_crate(
419 self.intr.clone(), &*crate_data, get_crate_data,
420 |def, name, vis| result.push(ChildItem {
428 fn maybe_get_item_ast(&'tcx self, tcx: &ty::ctxt<'tcx>, def: DefId)
431 let cdata = self.get_crate_data(def.krate);
432 let decode_inlined_item = Box::new(astencode::decode_inlined_item);
433 decoder::maybe_get_item_ast(&*cdata, tcx, def.index, decode_inlined_item)
436 fn maybe_get_item_mir(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
437 -> Option<Mir<'tcx>> {
438 let cdata = self.get_crate_data(def.krate);
439 decoder::maybe_get_item_mir(&*cdata, tcx, def.index)
442 fn is_item_mir_available(&self, def: DefId) -> bool {
443 let cdata = self.get_crate_data(def.krate);
444 decoder::is_item_mir_available(&*cdata, def.index)
447 fn crates(&self) -> Vec<ast::CrateNum>
449 let mut result = vec![];
450 self.iter_crate_data(|cnum, _| result.push(cnum));
454 fn used_libraries(&self) -> Vec<(String, NativeLibraryKind)>
456 self.get_used_libraries().borrow().clone()
459 fn used_link_args(&self) -> Vec<String>
461 self.get_used_link_args().borrow().clone()
464 fn metadata_filename(&self) -> &str
466 loader::METADATA_FILENAME
469 fn metadata_section_name(&self, target: &Target) -> &str
471 loader::meta_section_name(target)
473 fn encode_type(&self, tcx: &ty::ctxt<'tcx>, ty: Ty<'tcx>) -> Vec<u8>
475 encoder::encoded_ty(tcx, ty)
478 fn used_crates(&self, prefer: LinkagePreference) -> Vec<(ast::CrateNum, Option<PathBuf>)>
480 self.do_get_used_crates(prefer)
483 fn used_crate_source(&self, cnum: ast::CrateNum) -> CrateSource
485 self.opt_used_crate_source(cnum).unwrap()
488 fn extern_mod_stmt_cnum(&self, emod_id: ast::NodeId) -> Option<ast::CrateNum>
490 self.do_extern_mod_stmt_cnum(emod_id)
493 fn encode_metadata(&self,
494 tcx: &ty::ctxt<'tcx>,
495 reexports: &def::ExportMap,
496 item_symbols: &RefCell<NodeMap<String>>,
497 link_meta: &LinkMeta,
499 mir_map: &MirMap<'tcx>,
500 krate: &hir::Crate) -> Vec<u8>
502 let encode_inlined_item: encoder::EncodeInlinedItem =
503 Box::new(|ecx, rbml_w, ii| astencode::encode_inlined_item(ecx, rbml_w, ii));
505 let encode_params = encoder::EncodeParams {
506 diag: tcx.sess.diagnostic(),
508 reexports: reexports,
509 item_symbols: item_symbols,
510 link_meta: link_meta,
512 encode_inlined_item: encode_inlined_item,
513 reachable: reachable,
516 encoder::encode_metadata(encode_params, krate)
520 fn metadata_encoding_version(&self) -> &[u8]
522 encoder::metadata_encoding_version