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::util::nodemap::{FnvHashMap, NodeMap, NodeSet};
27 use std::cell::RefCell;
29 use std::path::PathBuf;
32 use syntax::parse::token;
33 use rustc_back::svh::Svh;
34 use rustc_back::target::Target;
37 impl<'tcx> CrateStore<'tcx> for cstore::CStore {
38 fn stability(&self, def: DefId) -> Option<attr::Stability>
40 let cdata = self.get_crate_data(def.krate);
41 decoder::get_stability(&*cdata, def.index)
44 fn closure_kind(&self, _tcx: &ty::ctxt<'tcx>, def_id: DefId) -> ty::ClosureKind
46 assert!(!def_id.is_local());
47 let cdata = self.get_crate_data(def_id.krate);
48 decoder::closure_kind(&*cdata, def_id.index)
51 fn closure_ty(&self, tcx: &ty::ctxt<'tcx>, def_id: DefId) -> ty::ClosureTy<'tcx>
53 assert!(!def_id.is_local());
54 let cdata = self.get_crate_data(def_id.krate);
55 decoder::closure_ty(&*cdata, def_id.index, tcx)
58 fn item_variances(&self, def: DefId) -> ty::ItemVariances {
59 let cdata = self.get_crate_data(def.krate);
60 decoder::get_item_variances(&*cdata, def.index)
63 fn repr_attrs(&self, def: DefId) -> Vec<attr::ReprAttr> {
64 let cdata = self.get_crate_data(def.krate);
65 decoder::get_repr_attrs(&*cdata, def.index)
68 fn item_type(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
69 -> ty::TypeScheme<'tcx>
71 let cdata = self.get_crate_data(def.krate);
72 decoder::get_type(&*cdata, def.index, tcx)
75 fn item_predicates(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
76 -> ty::GenericPredicates<'tcx>
78 let cdata = self.get_crate_data(def.krate);
79 decoder::get_predicates(&*cdata, def.index, tcx)
82 fn item_super_predicates(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
83 -> ty::GenericPredicates<'tcx>
85 let cdata = self.get_crate_data(def.krate);
86 decoder::get_super_predicates(&*cdata, def.index, tcx)
89 fn item_attrs(&self, def_id: DefId) -> Vec<ast::Attribute>
91 let cdata = self.get_crate_data(def_id.krate);
92 decoder::get_item_attrs(&*cdata, def_id.index)
95 fn item_symbol(&self, def: DefId) -> String
97 let cdata = self.get_crate_data(def.krate);
98 decoder::get_symbol(&cdata, def.index)
101 fn trait_def(&self, tcx: &ty::ctxt<'tcx>, def: DefId) -> ty::TraitDef<'tcx>
103 let cdata = self.get_crate_data(def.krate);
104 decoder::get_trait_def(&*cdata, def.index, tcx)
107 fn adt_def(&self, tcx: &ty::ctxt<'tcx>, def: DefId) -> ty::AdtDefMaster<'tcx>
109 let cdata = self.get_crate_data(def.krate);
110 decoder::get_adt_def(&self.intr, &*cdata, def.index, tcx)
113 fn method_arg_names(&self, did: DefId) -> Vec<String>
115 let cdata = self.get_crate_data(did.krate);
116 decoder::get_method_arg_names(&cdata, did.index)
119 fn item_path(&self, def: DefId) -> Vec<hir_map::PathElem> {
120 let cdata = self.get_crate_data(def.krate);
121 let path = decoder::get_item_path(&*cdata, def.index);
123 cdata.with_local_path(|cpath| {
124 let mut r = Vec::with_capacity(cpath.len() + path.len());
125 r.extend_from_slice(cpath);
126 r.extend_from_slice(&path);
131 fn extern_item_path(&self, def: DefId) -> Vec<hir_map::PathElem> {
132 let cdata = self.get_crate_data(def.krate);
133 let path = decoder::get_item_path(&*cdata, def.index);
135 let mut r = Vec::with_capacity(path.len() + 1);
136 let crate_name = hir_map::PathMod(token::intern(&cdata.name));
138 r.extend_from_slice(&path);
142 fn item_name(&self, def: DefId) -> ast::Name {
143 let cdata = self.get_crate_data(def.krate);
144 decoder::get_item_name(&self.intr, &cdata, def.index)
148 fn inherent_implementations_for_type(&self, def_id: DefId) -> Vec<DefId>
150 let mut result = vec![];
151 let cdata = self.get_crate_data(def_id.krate);
152 decoder::each_inherent_implementation_for_type(&*cdata, def_id.index,
153 |iid| result.push(iid));
157 fn implementations_of_trait(&self, def_id: DefId) -> Vec<DefId>
159 let mut result = vec![];
160 self.iter_crate_data(|_, cdata| {
161 decoder::each_implementation_for_trait(cdata, def_id, &mut |iid| {
168 fn provided_trait_methods(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
169 -> Vec<Rc<ty::Method<'tcx>>>
171 let cdata = self.get_crate_data(def.krate);
172 decoder::get_provided_trait_methods(self.intr.clone(), &*cdata, def.index, tcx)
175 fn trait_item_def_ids(&self, def: DefId)
176 -> Vec<ty::ImplOrTraitItemId>
178 let cdata = self.get_crate_data(def.krate);
179 decoder::get_trait_item_def_ids(&*cdata, def.index)
182 fn impl_items(&self, impl_def_id: DefId) -> Vec<ty::ImplOrTraitItemId>
184 let cdata = self.get_crate_data(impl_def_id.krate);
185 decoder::get_impl_items(&*cdata, impl_def_id.index)
188 fn impl_polarity(&self, def: DefId) -> Option<hir::ImplPolarity>
190 let cdata = self.get_crate_data(def.krate);
191 decoder::get_impl_polarity(&*cdata, def.index)
194 fn impl_trait_ref(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
195 -> Option<ty::TraitRef<'tcx>>
197 let cdata = self.get_crate_data(def.krate);
198 decoder::get_impl_trait(&*cdata, def.index, tcx)
201 fn custom_coerce_unsized_kind(&self, def: DefId)
202 -> Option<ty::adjustment::CustomCoerceUnsized>
204 let cdata = self.get_crate_data(def.krate);
205 decoder::get_custom_coerce_unsized_kind(&*cdata, def.index)
209 fn associated_consts(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
210 -> Vec<Rc<ty::AssociatedConst<'tcx>>> {
211 let cdata = self.get_crate_data(def.krate);
212 decoder::get_associated_consts(self.intr.clone(), &*cdata, def.index, tcx)
215 fn trait_of_item(&self, tcx: &ty::ctxt<'tcx>, def_id: DefId) -> Option<DefId>
217 let cdata = self.get_crate_data(def_id.krate);
218 decoder::get_trait_of_item(&*cdata, def_id.index, tcx)
221 fn impl_or_trait_item(&self, tcx: &ty::ctxt<'tcx>, def: DefId)
222 -> ty::ImplOrTraitItem<'tcx>
224 let cdata = self.get_crate_data(def.krate);
225 decoder::get_impl_or_trait_item(
232 fn is_const_fn(&self, did: DefId) -> bool
234 let cdata = self.get_crate_data(did.krate);
235 decoder::is_const_fn(&cdata, did.index)
238 fn is_defaulted_trait(&self, trait_def_id: DefId) -> bool
240 let cdata = self.get_crate_data(trait_def_id.krate);
241 decoder::is_defaulted_trait(&*cdata, trait_def_id.index)
244 fn is_impl(&self, did: DefId) -> bool
246 let cdata = self.get_crate_data(did.krate);
247 decoder::is_impl(&*cdata, did.index)
250 fn is_default_impl(&self, impl_did: DefId) -> bool {
251 let cdata = self.get_crate_data(impl_did.krate);
252 decoder::is_default_impl(&*cdata, impl_did.index)
255 fn is_extern_fn(&self, tcx: &ty::ctxt<'tcx>, did: DefId) -> bool
257 let cdata = self.get_crate_data(did.krate);
258 decoder::is_extern_fn(&*cdata, did.index, tcx)
261 fn is_static(&self, did: DefId) -> bool
263 let cdata = self.get_crate_data(did.krate);
264 decoder::is_static(&*cdata, did.index)
267 fn is_static_method(&self, def: DefId) -> bool
269 let cdata = self.get_crate_data(def.krate);
270 decoder::is_static_method(&*cdata, def.index)
273 fn is_statically_included_foreign_item(&self, id: ast::NodeId) -> bool
275 self.do_is_statically_included_foreign_item(id)
278 fn is_typedef(&self, did: DefId) -> bool {
279 let cdata = self.get_crate_data(did.krate);
280 decoder::is_typedef(&*cdata, did.index)
283 fn dylib_dependency_formats(&self, cnum: ast::CrateNum)
284 -> Vec<(ast::CrateNum, LinkagePreference)>
286 let cdata = self.get_crate_data(cnum);
287 decoder::get_dylib_dependency_formats(&cdata)
290 fn lang_items(&self, cnum: ast::CrateNum) -> Vec<(DefIndex, usize)>
292 let mut result = vec![];
293 let crate_data = self.get_crate_data(cnum);
294 decoder::each_lang_item(&*crate_data, |did, lid| {
295 result.push((did, lid)); true
300 fn missing_lang_items(&self, cnum: ast::CrateNum)
301 -> Vec<lang_items::LangItem>
303 let cdata = self.get_crate_data(cnum);
304 decoder::get_missing_lang_items(&*cdata)
307 fn is_staged_api(&self, cnum: ast::CrateNum) -> bool
309 self.get_crate_data(cnum).staged_api
312 fn is_explicitly_linked(&self, cnum: ast::CrateNum) -> bool
314 self.get_crate_data(cnum).explicitly_linked.get()
317 fn is_allocator(&self, cnum: ast::CrateNum) -> bool
319 self.get_crate_data(cnum).is_allocator()
322 fn crate_attrs(&self, cnum: ast::CrateNum) -> Vec<ast::Attribute>
324 decoder::get_crate_attributes(self.get_crate_data(cnum).data())
327 fn crate_name(&self, cnum: ast::CrateNum) -> String
329 self.get_crate_data(cnum).name.clone()
332 fn crate_hash(&self, cnum: ast::CrateNum) -> Svh
334 let cdata = self.get_crate_data(cnum);
335 decoder::get_crate_hash(cdata.data())
338 fn crate_struct_field_attrs(&self, cnum: ast::CrateNum)
339 -> FnvHashMap<DefId, Vec<ast::Attribute>>
341 decoder::get_struct_field_attrs(&*self.get_crate_data(cnum))
344 fn plugin_registrar_fn(&self, cnum: ast::CrateNum) -> Option<DefId>
346 let cdata = self.get_crate_data(cnum);
347 decoder::get_plugin_registrar_fn(cdata.data()).map(|index| DefId {
353 fn native_libraries(&self, cnum: ast::CrateNum) -> Vec<(NativeLibraryKind, String)>
355 let cdata = self.get_crate_data(cnum);
356 decoder::get_native_libraries(&*cdata)
359 fn reachable_ids(&self, cnum: ast::CrateNum) -> Vec<DefId>
361 let cdata = self.get_crate_data(cnum);
362 decoder::get_reachable_ids(&*cdata)
365 fn def_path(&self, def: DefId) -> hir_map::DefPath
367 let cdata = self.get_crate_data(def.krate);
368 let path = decoder::def_path(&*cdata, def.index);
369 let local_path = cdata.local_def_path();
370 local_path.into_iter().chain(path).collect()
373 fn tuple_struct_definition_if_ctor(&self, did: DefId) -> Option<DefId>
375 let cdata = self.get_crate_data(did.krate);
376 decoder::get_tuple_struct_definition_if_ctor(&*cdata, did.index)
379 fn struct_field_names(&self, def: DefId) -> Vec<ast::Name>
381 let cdata = self.get_crate_data(def.krate);
382 decoder::get_struct_field_names(&self.intr, &*cdata, def.index)
385 fn item_children(&self, def_id: DefId) -> Vec<ChildItem>
387 let mut result = vec![];
388 let crate_data = self.get_crate_data(def_id.krate);
389 let get_crate_data = |cnum| self.get_crate_data(cnum);
390 decoder::each_child_of_item(
391 self.intr.clone(), &*crate_data,
392 def_id.index, get_crate_data,
393 |def, name, vis| result.push(ChildItem {
401 fn crate_top_level_items(&self, cnum: ast::CrateNum) -> Vec<ChildItem>
403 let mut result = vec![];
404 let crate_data = self.get_crate_data(cnum);
405 let get_crate_data = |cnum| self.get_crate_data(cnum);
406 decoder::each_top_level_item_of_crate(
407 self.intr.clone(), &*crate_data, get_crate_data,
408 |def, name, vis| result.push(ChildItem {
416 fn maybe_get_item_ast(&'tcx self, tcx: &ty::ctxt<'tcx>, def: DefId)
419 let cdata = self.get_crate_data(def.krate);
420 let decode_inlined_item = Box::new(astencode::decode_inlined_item);
421 decoder::maybe_get_item_ast(&*cdata, tcx, def.index, decode_inlined_item)
424 fn crates(&self) -> Vec<ast::CrateNum>
426 let mut result = vec![];
427 self.iter_crate_data(|cnum, _| result.push(cnum));
431 fn used_libraries(&self) -> Vec<(String, NativeLibraryKind)>
433 self.get_used_libraries().borrow().clone()
436 fn used_link_args(&self) -> Vec<String>
438 self.get_used_link_args().borrow().clone()
441 fn metadata_filename(&self) -> &str
443 loader::METADATA_FILENAME
446 fn metadata_section_name(&self, target: &Target) -> &str
448 loader::meta_section_name(target)
450 fn encode_type(&self, tcx: &ty::ctxt<'tcx>, ty: Ty<'tcx>) -> Vec<u8>
452 encoder::encoded_ty(tcx, ty)
455 fn used_crates(&self, prefer: LinkagePreference) -> Vec<(ast::CrateNum, Option<PathBuf>)>
457 self.do_get_used_crates(prefer)
460 fn used_crate_source(&self, cnum: ast::CrateNum) -> CrateSource
462 self.opt_used_crate_source(cnum).unwrap()
465 fn extern_mod_stmt_cnum(&self, emod_id: ast::NodeId) -> Option<ast::CrateNum>
467 self.do_extern_mod_stmt_cnum(emod_id)
470 fn encode_metadata(&self,
471 tcx: &ty::ctxt<'tcx>,
472 reexports: &def::ExportMap,
473 item_symbols: &RefCell<NodeMap<String>>,
474 link_meta: &LinkMeta,
476 krate: &hir::Crate) -> Vec<u8>
478 let encode_inlined_item: encoder::EncodeInlinedItem =
479 Box::new(|ecx, rbml_w, ii| astencode::encode_inlined_item(ecx, rbml_w, ii));
481 let encode_params = encoder::EncodeParams {
482 diag: tcx.sess.diagnostic(),
484 reexports: reexports,
485 item_symbols: item_symbols,
486 link_meta: link_meta,
488 encode_inlined_item: encode_inlined_item,
491 encoder::encode_metadata(encode_params, krate)
495 fn metadata_encoding_version(&self) -> &[u8]
497 encoder::metadata_encoding_version