Chris Lattner | c3a6540 | 2009-07-12 22:33:12 +0000 | [diff] [blame] | 1 | //===--- IndexProvider.cpp - Map of entities to translation units ---------===// |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSaE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // Maps Entities to TranslationUnits |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "clang/Index/IndexProvider.h" |
| 15 | #include "clang/Index/Program.h" |
Argyrios Kyrtzidis | f7cf15c | 2009-07-21 00:07:06 +0000 | [diff] [blame^] | 16 | #include "clang/Index/Entity.h" |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 17 | #include "clang/Index/EntityHandler.h" |
| 18 | #include "clang/Index/TranslationUnit.h" |
| 19 | using namespace clang; |
| 20 | using namespace idx; |
| 21 | |
| 22 | class IndexProvider::Indexer : public EntityHandler { |
| 23 | TranslationUnit *TU; |
| 24 | MapTy ⤅ |
| 25 | |
| 26 | public: |
| 27 | Indexer(TranslationUnit *tu, MapTy &map) : TU(tu), Map(map) { } |
| 28 | |
Argyrios Kyrtzidis | f7cf15c | 2009-07-21 00:07:06 +0000 | [diff] [blame^] | 29 | virtual void HandleEntity(Entity Ent) { |
| 30 | if (Ent.isInternalToTU()) |
| 31 | return; |
| 32 | |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 33 | MapTy::iterator I = Map.find(Ent); |
| 34 | if (I != Map.end()) { |
| 35 | I->second.insert(TU); |
| 36 | return; |
| 37 | } |
| 38 | |
| 39 | Map[Ent].insert(TU); |
| 40 | } |
| 41 | }; |
| 42 | |
| 43 | void IndexProvider::IndexAST(TranslationUnit *TU) { |
| 44 | Indexer Idx(TU, Map); |
| 45 | Prog.FindEntities(TU->getASTContext(), &Idx); |
| 46 | } |
| 47 | |
Argyrios Kyrtzidis | f7cf15c | 2009-07-21 00:07:06 +0000 | [diff] [blame^] | 48 | static IndexProvider::TUSetTy EmptySet; |
| 49 | |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 50 | IndexProvider::translation_unit_iterator |
Argyrios Kyrtzidis | f7cf15c | 2009-07-21 00:07:06 +0000 | [diff] [blame^] | 51 | IndexProvider::translation_units_begin(Entity Ent) const { |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 52 | MapTy::iterator I = Map.find(Ent); |
| 53 | if (I == Map.end()) |
Argyrios Kyrtzidis | f7cf15c | 2009-07-21 00:07:06 +0000 | [diff] [blame^] | 54 | return EmptySet.begin(); |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 55 | |
| 56 | return I->second.begin(); |
| 57 | } |
| 58 | |
| 59 | IndexProvider::translation_unit_iterator |
Argyrios Kyrtzidis | f7cf15c | 2009-07-21 00:07:06 +0000 | [diff] [blame^] | 60 | IndexProvider::translation_units_end(Entity Ent) const { |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 61 | MapTy::iterator I = Map.find(Ent); |
| 62 | if (I == Map.end()) |
Argyrios Kyrtzidis | f7cf15c | 2009-07-21 00:07:06 +0000 | [diff] [blame^] | 63 | return EmptySet.end(); |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 64 | |
| 65 | return I->second.end(); |
| 66 | } |
| 67 | |
Argyrios Kyrtzidis | f7cf15c | 2009-07-21 00:07:06 +0000 | [diff] [blame^] | 68 | bool IndexProvider::translation_units_empty(Entity Ent) const { |
Argyrios Kyrtzidis | 9eec4ed | 2009-07-05 22:22:19 +0000 | [diff] [blame] | 69 | MapTy::iterator I = Map.find(Ent); |
| 70 | if (I == Map.end()) |
| 71 | return true; |
| 72 | |
| 73 | return I->second.begin() == I->second.end(); |
| 74 | } |