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};
22 use middle::def_id::{DefId, DefIndex};
24 use rustc::front::map as hir_map;
25 use rustc::mir::repr::Mir;
26 use rustc::util::nodemap::{FnvHashMap, NodeMap, NodeSet};
28 use std::cell::RefCell;
30 use std::path::PathBuf;
33 use syntax::parse::token;
34 use rustc_back::svh::Svh;
35 use rustc_back::target::Target;
38 impl<'tcx> CrateStore<'tcx> for cstore::CStore {
39 fn stability(&self, def: DefId) -> Option<attr::Stability>
41 let cdata = self.get_crate_data(def.krate);
42 decoder::get_stability(&*cdata, def.index)
45 fn deprecation(&self, def: DefId) -> Option<attr::Deprecation>
47 let cdata = self.get_crate_data(def.krate);
48 decoder::get_deprecation(&*cdata, def.index)
51 fn closure_kind(&self, _tcx: &ty::ctxt<'tcx>, def_id: DefId) -> ty::ClosureKind
53 assert!(!def_id.is_local());
54 let cdata = self.get_crate_data(def_id.krate);
55 decoder::closure_kind(&*cdata, def_id.index)
58 fn closure_ty(&self, tcx: &ty::ctxt<'tcx>, def_id: DefId) -> ty::ClosureTy<'tcx>
60 assert!(!def_id.is_local());
61 let cdata = self.get_crate_data(def_id.krate);
62 decoder::closure_ty(&*cdata, def_id.index, tcx)
65 fn item_variances(&self, def: DefId) -> ty::ItemVariances {
66 let cdata = self.get_crate_data(def.krate);
67 decoder::get_item_variances(&*cdata, def.index)
70 fn repr_attrs(&self, def: DefId) -> Vec<attr::ReprAttr> {
71 let cdata = self.get_crate_data(def.krate);
72 decoder::get_repr_attrs(&*cdata, def.index)
75 fn item_type(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
76 -> ty::TypeScheme<'tcx>
78 let cdata = self.get_crate_data(def.krate);
79 decoder::get_type(&*cdata, def.index, tcx)
82 fn item_predicates(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
83 -> ty::GenericPredicates<'tcx>
85 let cdata = self.get_crate_data(def.krate);
86 decoder::get_predicates(&*cdata, def.index, tcx)
89 fn item_super_predicates(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
90 -> ty::GenericPredicates<'tcx>
92 let cdata = self.get_crate_data(def.krate);
93 decoder::get_super_predicates(&*cdata, def.index, tcx)
96 fn item_attrs(&self, def_id: DefId) -> Vec<ast::Attribute>
98 let cdata = self.get_crate_data(def_id.krate);
99 decoder::get_item_attrs(&*cdata, def_id.index)
102 fn item_symbol(&self, def: DefId) -> String
104 let cdata = self.get_crate_data(def.krate);
105 decoder::get_symbol(&cdata, def.index)
108 fn trait_def(&self, tcx: &ty::ctxt<'tcx>, def: DefId) -> ty::TraitDef<'tcx>
110 let cdata = self.get_crate_data(def.krate);
111 decoder::get_trait_def(&*cdata, def.index, tcx)
114 fn adt_def(&self, tcx: &ty::ctxt<'tcx>, def: DefId) -> ty::AdtDefMaster<'tcx>
116 let cdata = self.get_crate_data(def.krate);
117 decoder::get_adt_def(&self.intr, &*cdata, def.index, tcx)
120 fn method_arg_names(&self, did: DefId) -> Vec<String>
122 let cdata = self.get_crate_data(did.krate);
123 decoder::get_method_arg_names(&cdata, did.index)
126 fn item_path(&self, def: DefId) -> Vec<hir_map::PathElem> {
127 let cdata = self.get_crate_data(def.krate);
128 let path = decoder::get_item_path(&*cdata, def.index);
130 cdata.with_local_path(|cpath| {
131 let mut r = Vec::with_capacity(cpath.len() + path.len());
132 r.extend_from_slice(cpath);
133 r.extend_from_slice(&path);
138 fn extern_item_path(&self, def: DefId) -> Vec<hir_map::PathElem> {
139 let cdata = self.get_crate_data(def.krate);
140 let path = decoder::get_item_path(&*cdata, def.index);
142 let mut r = Vec::with_capacity(path.len() + 1);
143 let crate_name = hir_map::PathMod(token::intern(&cdata.name));
145 r.extend_from_slice(&path);
149 fn item_name(&self, def: DefId) -> ast::Name {
150 let cdata = self.get_crate_data(def.krate);
151 decoder::get_item_name(&self.intr, &cdata, def.index)
155 fn inherent_implementations_for_type(&self, def_id: DefId) -> Vec<DefId>
157 let mut result = vec![];
158 let cdata = self.get_crate_data(def_id.krate);
159 decoder::each_inherent_implementation_for_type(&*cdata, def_id.index,
160 |iid| result.push(iid));
164 fn implementations_of_trait(&self, def_id: DefId) -> Vec<DefId>
166 let mut result = vec![];
167 self.iter_crate_data(|_, cdata| {
168 decoder::each_implementation_for_trait(cdata, def_id, &mut |iid| {
175 fn provided_trait_methods(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
176 -> Vec<Rc<ty::Method<'tcx>>>
178 let cdata = self.get_crate_data(def.krate);
179 decoder::get_provided_trait_methods(self.intr.clone(), &*cdata, def.index, tcx)
182 fn trait_item_def_ids(&self, def: DefId)
183 -> Vec<ty::ImplOrTraitItemId>
185 let cdata = self.get_crate_data(def.krate);
186 decoder::get_trait_item_def_ids(&*cdata, def.index)
189 fn impl_items(&self, impl_def_id: DefId) -> Vec<ty::ImplOrTraitItemId>
191 let cdata = self.get_crate_data(impl_def_id.krate);
192 decoder::get_impl_items(&*cdata, impl_def_id.index)
195 fn impl_polarity(&self, def: DefId) -> Option<hir::ImplPolarity>
197 let cdata = self.get_crate_data(def.krate);
198 decoder::get_impl_polarity(&*cdata, def.index)
201 fn impl_trait_ref(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
202 -> Option<ty::TraitRef<'tcx>>
204 let cdata = self.get_crate_data(def.krate);
205 decoder::get_impl_trait(&*cdata, def.index, tcx)
208 fn custom_coerce_unsized_kind(&self, def: DefId)
209 -> Option<ty::adjustment::CustomCoerceUnsized>
211 let cdata = self.get_crate_data(def.krate);
212 decoder::get_custom_coerce_unsized_kind(&*cdata, def.index)
216 fn associated_consts(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
217 -> Vec<Rc<ty::AssociatedConst<'tcx>>> {
218 let cdata = self.get_crate_data(def.krate);
219 decoder::get_associated_consts(self.intr.clone(), &*cdata, def.index, tcx)
222 fn trait_of_item(&self, tcx: &ty::ctxt<'tcx>, def_id: DefId) -> Option<DefId>
224 let cdata = self.get_crate_data(def_id.krate);
225 decoder::get_trait_of_item(&*cdata, def_id.index, tcx)
228 fn impl_or_trait_item(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
229 -> ty::ImplOrTraitItem<'tcx>
231 let cdata = self.get_crate_data(def.krate);
232 decoder::get_impl_or_trait_item(
239 fn is_const_fn(&self, did: DefId) -> bool
241 let cdata = self.get_crate_data(did.krate);
242 decoder::is_const_fn(&cdata, did.index)
245 fn is_defaulted_trait(&self, trait_def_id: DefId) -> bool
247 let cdata = self.get_crate_data(trait_def_id.krate);
248 decoder::is_defaulted_trait(&*cdata, trait_def_id.index)
251 fn is_impl(&self, did: DefId) -> bool
253 let cdata = self.get_crate_data(did.krate);
254 decoder::is_impl(&*cdata, did.index)
257 fn is_default_impl(&self, impl_did: DefId) -> bool {
258 let cdata = self.get_crate_data(impl_did.krate);
259 decoder::is_default_impl(&*cdata, impl_did.index)
262 fn is_extern_fn(&self, tcx: &ty::ctxt<'tcx>, did: DefId) -> bool
264 let cdata = self.get_crate_data(did.krate);
265 decoder::is_extern_fn(&*cdata, did.index, tcx)
268 fn is_static(&self, did: DefId) -> bool
270 let cdata = self.get_crate_data(did.krate);
271 decoder::is_static(&*cdata, did.index)
274 fn is_static_method(&self, def: DefId) -> bool
276 let cdata = self.get_crate_data(def.krate);
277 decoder::is_static_method(&*cdata, def.index)
280 fn is_statically_included_foreign_item(&self, id: ast::NodeId) -> bool
282 self.do_is_statically_included_foreign_item(id)
285 fn is_typedef(&self, did: DefId) -> bool {
286 let cdata = self.get_crate_data(did.krate);
287 decoder::is_typedef(&*cdata, did.index)
290 fn dylib_dependency_formats(&self, cnum: ast::CrateNum)
291 -> Vec<(ast::CrateNum, LinkagePreference)>
293 let cdata = self.get_crate_data(cnum);
294 decoder::get_dylib_dependency_formats(&cdata)
297 fn lang_items(&self, cnum: ast::CrateNum) -> Vec<(DefIndex, usize)>
299 let mut result = vec![];
300 let crate_data = self.get_crate_data(cnum);
301 decoder::each_lang_item(&*crate_data, |did, lid| {
302 result.push((did, lid)); true
307 fn missing_lang_items(&self, cnum: ast::CrateNum)
308 -> Vec<lang_items::LangItem>
310 let cdata = self.get_crate_data(cnum);
311 decoder::get_missing_lang_items(&*cdata)
314 fn is_staged_api(&self, cnum: ast::CrateNum) -> bool
316 self.get_crate_data(cnum).staged_api
319 fn is_explicitly_linked(&self, cnum: ast::CrateNum) -> bool
321 self.get_crate_data(cnum).explicitly_linked.get()
324 fn is_allocator(&self, cnum: ast::CrateNum) -> bool
326 self.get_crate_data(cnum).is_allocator()
329 fn crate_attrs(&self, cnum: ast::CrateNum) -> Vec<ast::Attribute>
331 decoder::get_crate_attributes(self.get_crate_data(cnum).data())
334 fn crate_name(&self, cnum: ast::CrateNum) -> String
336 self.get_crate_data(cnum).name.clone()
339 fn crate_hash(&self, cnum: ast::CrateNum) -> Svh
341 let cdata = self.get_crate_data(cnum);
342 decoder::get_crate_hash(cdata.data())
345 fn crate_struct_field_attrs(&self, cnum: ast::CrateNum)
346 -> FnvHashMap<DefId, Vec<ast::Attribute>>
348 decoder::get_struct_field_attrs(&*self.get_crate_data(cnum))
351 fn plugin_registrar_fn(&self, cnum: ast::CrateNum) -> Option<DefId>
353 let cdata = self.get_crate_data(cnum);
354 decoder::get_plugin_registrar_fn(cdata.data()).map(|index| DefId {
360 fn native_libraries(&self, cnum: ast::CrateNum) -> Vec<(NativeLibraryKind, String)>
362 let cdata = self.get_crate_data(cnum);
363 decoder::get_native_libraries(&*cdata)
366 fn reachable_ids(&self, cnum: ast::CrateNum) -> Vec<DefId>
368 let cdata = self.get_crate_data(cnum);
369 decoder::get_reachable_ids(&*cdata)
372 fn def_path(&self, def: DefId) -> hir_map::DefPath
374 let cdata = self.get_crate_data(def.krate);
375 let path = decoder::def_path(&*cdata, def.index);
376 let local_path = cdata.local_def_path();
377 local_path.into_iter().chain(path).collect()
380 fn tuple_struct_definition_if_ctor(&self, did: DefId) -> Option<DefId>
382 let cdata = self.get_crate_data(did.krate);
383 decoder::get_tuple_struct_definition_if_ctor(&*cdata, did.index)
386 fn struct_field_names(&self, def: DefId) -> Vec<ast::Name>
388 let cdata = self.get_crate_data(def.krate);
389 decoder::get_struct_field_names(&self.intr, &*cdata, def.index)
392 fn item_children(&self, def_id: DefId) -> Vec<ChildItem>
394 let mut result = vec![];
395 let crate_data = self.get_crate_data(def_id.krate);
396 let get_crate_data = |cnum| self.get_crate_data(cnum);
397 decoder::each_child_of_item(
398 self.intr.clone(), &*crate_data,
399 def_id.index, get_crate_data,
400 |def, name, vis| result.push(ChildItem {
408 fn crate_top_level_items(&self, cnum: ast::CrateNum) -> Vec<ChildItem>
410 let mut result = vec![];
411 let crate_data = self.get_crate_data(cnum);
412 let get_crate_data = |cnum| self.get_crate_data(cnum);
413 decoder::each_top_level_item_of_crate(
414 self.intr.clone(), &*crate_data, get_crate_data,
415 |def, name, vis| result.push(ChildItem {
423 fn maybe_get_item_ast(&'tcx self, tcx: &ty::ctxt<'tcx>, def: DefId)
426 let cdata = self.get_crate_data(def.krate);
427 let decode_inlined_item = Box::new(astencode::decode_inlined_item);
428 decoder::maybe_get_item_ast(&*cdata, tcx, def.index, decode_inlined_item)
431 fn maybe_get_item_mir(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
432 -> Option<Mir<'tcx>> {
433 let cdata = self.get_crate_data(def.krate);
434 decoder::maybe_get_item_mir(&*cdata, tcx, def.index)
437 fn crates(&self) -> Vec<ast::CrateNum>
439 let mut result = vec![];
440 self.iter_crate_data(|cnum, _| result.push(cnum));
444 fn used_libraries(&self) -> Vec<(String, NativeLibraryKind)>
446 self.get_used_libraries().borrow().clone()
449 fn used_link_args(&self) -> Vec<String>
451 self.get_used_link_args().borrow().clone()
454 fn metadata_filename(&self) -> &str
456 loader::METADATA_FILENAME
459 fn metadata_section_name(&self, target: &Target) -> &str
461 loader::meta_section_name(target)
463 fn encode_type(&self, tcx: &ty::ctxt<'tcx>, ty: Ty<'tcx>) -> Vec<u8>
465 encoder::encoded_ty(tcx, ty)
468 fn used_crates(&self, prefer: LinkagePreference) -> Vec<(ast::CrateNum, Option<PathBuf>)>
470 self.do_get_used_crates(prefer)
473 fn used_crate_source(&self, cnum: ast::CrateNum) -> CrateSource
475 self.opt_used_crate_source(cnum).unwrap()
478 fn extern_mod_stmt_cnum(&self, emod_id: ast::NodeId) -> Option<ast::CrateNum>
480 self.do_extern_mod_stmt_cnum(emod_id)
483 fn encode_metadata(&self,
484 tcx: &ty::ctxt<'tcx>,
485 reexports: &def::ExportMap,
486 item_symbols: &RefCell<NodeMap<String>>,
487 link_meta: &LinkMeta,
489 mir_map: &NodeMap<Mir<'tcx>>,
490 krate: &hir::Crate) -> Vec<u8>
492 let encode_inlined_item: encoder::EncodeInlinedItem =
493 Box::new(|ecx, rbml_w, ii| astencode::encode_inlined_item(ecx, rbml_w, ii));
495 let encode_params = encoder::EncodeParams {
496 diag: tcx.sess.diagnostic(),
498 reexports: reexports,
499 item_symbols: item_symbols,
500 link_meta: link_meta,
502 encode_inlined_item: encode_inlined_item,
503 reachable: reachable,
506 encoder::encode_metadata(encode_params, krate)
510 fn metadata_encoding_version(&self) -> &[u8]
512 encoder::metadata_encoding_version