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 closure_kind(&self, _tcx: &ty::ctxt<'tcx>, def_id: DefId) -> ty::ClosureKind
47 assert!(!def_id.is_local());
48 let cdata = self.get_crate_data(def_id.krate);
49 decoder::closure_kind(&*cdata, def_id.index)
52 fn closure_ty(&self, tcx: &ty::ctxt<'tcx>, def_id: DefId) -> ty::ClosureTy<'tcx>
54 assert!(!def_id.is_local());
55 let cdata = self.get_crate_data(def_id.krate);
56 decoder::closure_ty(&*cdata, def_id.index, tcx)
59 fn item_variances(&self, def: DefId) -> ty::ItemVariances {
60 let cdata = self.get_crate_data(def.krate);
61 decoder::get_item_variances(&*cdata, def.index)
64 fn repr_attrs(&self, def: DefId) -> Vec<attr::ReprAttr> {
65 let cdata = self.get_crate_data(def.krate);
66 decoder::get_repr_attrs(&*cdata, def.index)
69 fn item_type(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
70 -> ty::TypeScheme<'tcx>
72 let cdata = self.get_crate_data(def.krate);
73 decoder::get_type(&*cdata, def.index, tcx)
76 fn item_predicates(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
77 -> ty::GenericPredicates<'tcx>
79 let cdata = self.get_crate_data(def.krate);
80 decoder::get_predicates(&*cdata, def.index, tcx)
83 fn item_super_predicates(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
84 -> ty::GenericPredicates<'tcx>
86 let cdata = self.get_crate_data(def.krate);
87 decoder::get_super_predicates(&*cdata, def.index, tcx)
90 fn item_attrs(&self, def_id: DefId) -> Vec<ast::Attribute>
92 let cdata = self.get_crate_data(def_id.krate);
93 decoder::get_item_attrs(&*cdata, def_id.index)
96 fn item_symbol(&self, def: DefId) -> String
98 let cdata = self.get_crate_data(def.krate);
99 decoder::get_symbol(&cdata, def.index)
102 fn trait_def(&self, tcx: &ty::ctxt<'tcx>, def: DefId) -> ty::TraitDef<'tcx>
104 let cdata = self.get_crate_data(def.krate);
105 decoder::get_trait_def(&*cdata, def.index, tcx)
108 fn adt_def(&self, tcx: &ty::ctxt<'tcx>, def: DefId) -> ty::AdtDefMaster<'tcx>
110 let cdata = self.get_crate_data(def.krate);
111 decoder::get_adt_def(&self.intr, &*cdata, def.index, tcx)
114 fn method_arg_names(&self, did: DefId) -> Vec<String>
116 let cdata = self.get_crate_data(did.krate);
117 decoder::get_method_arg_names(&cdata, did.index)
120 fn item_path(&self, def: DefId) -> Vec<hir_map::PathElem> {
121 let cdata = self.get_crate_data(def.krate);
122 let path = decoder::get_item_path(&*cdata, def.index);
124 cdata.with_local_path(|cpath| {
125 let mut r = Vec::with_capacity(cpath.len() + path.len());
126 r.extend_from_slice(cpath);
127 r.extend_from_slice(&path);
132 fn extern_item_path(&self, def: DefId) -> Vec<hir_map::PathElem> {
133 let cdata = self.get_crate_data(def.krate);
134 let path = decoder::get_item_path(&*cdata, def.index);
136 let mut r = Vec::with_capacity(path.len() + 1);
137 let crate_name = hir_map::PathMod(token::intern(&cdata.name));
139 r.extend_from_slice(&path);
143 fn item_name(&self, def: DefId) -> ast::Name {
144 let cdata = self.get_crate_data(def.krate);
145 decoder::get_item_name(&self.intr, &cdata, def.index)
149 fn inherent_implementations_for_type(&self, def_id: DefId) -> Vec<DefId>
151 let mut result = vec![];
152 let cdata = self.get_crate_data(def_id.krate);
153 decoder::each_inherent_implementation_for_type(&*cdata, def_id.index,
154 |iid| result.push(iid));
158 fn implementations_of_trait(&self, def_id: DefId) -> Vec<DefId>
160 let mut result = vec![];
161 self.iter_crate_data(|_, cdata| {
162 decoder::each_implementation_for_trait(cdata, def_id, &mut |iid| {
169 fn provided_trait_methods(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
170 -> Vec<Rc<ty::Method<'tcx>>>
172 let cdata = self.get_crate_data(def.krate);
173 decoder::get_provided_trait_methods(self.intr.clone(), &*cdata, def.index, tcx)
176 fn trait_item_def_ids(&self, def: DefId)
177 -> Vec<ty::ImplOrTraitItemId>
179 let cdata = self.get_crate_data(def.krate);
180 decoder::get_trait_item_def_ids(&*cdata, def.index)
183 fn impl_items(&self, impl_def_id: DefId) -> Vec<ty::ImplOrTraitItemId>
185 let cdata = self.get_crate_data(impl_def_id.krate);
186 decoder::get_impl_items(&*cdata, impl_def_id.index)
189 fn impl_polarity(&self, def: DefId) -> Option<hir::ImplPolarity>
191 let cdata = self.get_crate_data(def.krate);
192 decoder::get_impl_polarity(&*cdata, def.index)
195 fn impl_trait_ref(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
196 -> Option<ty::TraitRef<'tcx>>
198 let cdata = self.get_crate_data(def.krate);
199 decoder::get_impl_trait(&*cdata, def.index, tcx)
202 fn custom_coerce_unsized_kind(&self, def: DefId)
203 -> Option<ty::adjustment::CustomCoerceUnsized>
205 let cdata = self.get_crate_data(def.krate);
206 decoder::get_custom_coerce_unsized_kind(&*cdata, def.index)
210 fn associated_consts(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
211 -> Vec<Rc<ty::AssociatedConst<'tcx>>> {
212 let cdata = self.get_crate_data(def.krate);
213 decoder::get_associated_consts(self.intr.clone(), &*cdata, def.index, tcx)
216 fn trait_of_item(&self, tcx: &ty::ctxt<'tcx>, def_id: DefId) -> Option<DefId>
218 let cdata = self.get_crate_data(def_id.krate);
219 decoder::get_trait_of_item(&*cdata, def_id.index, tcx)
222 fn impl_or_trait_item(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
223 -> ty::ImplOrTraitItem<'tcx>
225 let cdata = self.get_crate_data(def.krate);
226 decoder::get_impl_or_trait_item(
233 fn is_const_fn(&self, did: DefId) -> bool
235 let cdata = self.get_crate_data(did.krate);
236 decoder::is_const_fn(&cdata, did.index)
239 fn is_defaulted_trait(&self, trait_def_id: DefId) -> bool
241 let cdata = self.get_crate_data(trait_def_id.krate);
242 decoder::is_defaulted_trait(&*cdata, trait_def_id.index)
245 fn is_impl(&self, did: DefId) -> bool
247 let cdata = self.get_crate_data(did.krate);
248 decoder::is_impl(&*cdata, did.index)
251 fn is_default_impl(&self, impl_did: DefId) -> bool {
252 let cdata = self.get_crate_data(impl_did.krate);
253 decoder::is_default_impl(&*cdata, impl_did.index)
256 fn is_extern_fn(&self, tcx: &ty::ctxt<'tcx>, did: DefId) -> bool
258 let cdata = self.get_crate_data(did.krate);
259 decoder::is_extern_fn(&*cdata, did.index, tcx)
262 fn is_static(&self, did: DefId) -> bool
264 let cdata = self.get_crate_data(did.krate);
265 decoder::is_static(&*cdata, did.index)
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 tuple_struct_definition_if_ctor(&self, did: DefId) -> Option<DefId>
376 let cdata = self.get_crate_data(did.krate);
377 decoder::get_tuple_struct_definition_if_ctor(&*cdata, did.index)
380 fn struct_field_names(&self, def: DefId) -> Vec<ast::Name>
382 let cdata = self.get_crate_data(def.krate);
383 decoder::get_struct_field_names(&self.intr, &*cdata, def.index)
386 fn item_children(&self, def_id: DefId) -> Vec<ChildItem>
388 let mut result = vec![];
389 let crate_data = self.get_crate_data(def_id.krate);
390 let get_crate_data = |cnum| self.get_crate_data(cnum);
391 decoder::each_child_of_item(
392 self.intr.clone(), &*crate_data,
393 def_id.index, get_crate_data,
394 |def, name, vis| result.push(ChildItem {
402 fn crate_top_level_items(&self, cnum: ast::CrateNum) -> Vec<ChildItem>
404 let mut result = vec![];
405 let crate_data = self.get_crate_data(cnum);
406 let get_crate_data = |cnum| self.get_crate_data(cnum);
407 decoder::each_top_level_item_of_crate(
408 self.intr.clone(), &*crate_data, get_crate_data,
409 |def, name, vis| result.push(ChildItem {
417 fn maybe_get_item_ast(&'tcx self, tcx: &ty::ctxt<'tcx>, def: DefId)
420 let cdata = self.get_crate_data(def.krate);
421 let decode_inlined_item = Box::new(astencode::decode_inlined_item);
422 decoder::maybe_get_item_ast(&*cdata, tcx, def.index, decode_inlined_item)
425 fn maybe_get_item_mir(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
426 -> Option<Mir<'tcx>> {
427 let cdata = self.get_crate_data(def.krate);
428 decoder::maybe_get_item_mir(&*cdata, tcx, def.index)
431 fn crates(&self) -> Vec<ast::CrateNum>
433 let mut result = vec![];
434 self.iter_crate_data(|cnum, _| result.push(cnum));
438 fn used_libraries(&self) -> Vec<(String, NativeLibraryKind)>
440 self.get_used_libraries().borrow().clone()
443 fn used_link_args(&self) -> Vec<String>
445 self.get_used_link_args().borrow().clone()
448 fn metadata_filename(&self) -> &str
450 loader::METADATA_FILENAME
453 fn metadata_section_name(&self, target: &Target) -> &str
455 loader::meta_section_name(target)
457 fn encode_type(&self, tcx: &ty::ctxt<'tcx>, ty: Ty<'tcx>) -> Vec<u8>
459 encoder::encoded_ty(tcx, ty)
462 fn used_crates(&self, prefer: LinkagePreference) -> Vec<(ast::CrateNum, Option<PathBuf>)>
464 self.do_get_used_crates(prefer)
467 fn used_crate_source(&self, cnum: ast::CrateNum) -> CrateSource
469 self.opt_used_crate_source(cnum).unwrap()
472 fn extern_mod_stmt_cnum(&self, emod_id: ast::NodeId) -> Option<ast::CrateNum>
474 self.do_extern_mod_stmt_cnum(emod_id)
477 fn encode_metadata(&self,
478 tcx: &ty::ctxt<'tcx>,
479 reexports: &def::ExportMap,
480 item_symbols: &RefCell<NodeMap<String>>,
481 link_meta: &LinkMeta,
483 mir_map: &NodeMap<Mir<'tcx>>,
484 krate: &hir::Crate) -> Vec<u8>
486 let encode_inlined_item: encoder::EncodeInlinedItem =
487 Box::new(|ecx, rbml_w, ii| astencode::encode_inlined_item(ecx, rbml_w, ii));
489 let encode_params = encoder::EncodeParams {
490 diag: tcx.sess.diagnostic(),
492 reexports: reexports,
493 item_symbols: item_symbols,
494 link_meta: link_meta,
496 encode_inlined_item: encode_inlined_item,
497 reachable: reachable,
500 encoder::encode_metadata(encode_params, krate)
504 fn metadata_encoding_version(&self) -> &[u8]
506 encoder::metadata_encoding_version