1 //===--- FileIndexRecord.cpp - Index data per file --------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "FileIndexRecord.h"
10 #include "clang/AST/ASTContext.h"
11 #include "clang/AST/DeclTemplate.h"
12 #include "clang/Basic/SourceManager.h"
13 #include "llvm/ADT/SmallString.h"
14 #include "llvm/Support/Path.h"
15
16 using namespace clang;
17 using namespace clang::index;
18
19 ArrayRef<DeclOccurrence>
getDeclOccurrencesSortedByOffset() const20 FileIndexRecord::getDeclOccurrencesSortedByOffset() const {
21 if (!IsSorted) {
22 llvm::stable_sort(Decls,
23 [](const DeclOccurrence &A, const DeclOccurrence &B) {
24 return A.Offset < B.Offset;
25 });
26 IsSorted = true;
27 }
28 return Decls;
29 }
30
addDeclOccurence(SymbolRoleSet Roles,unsigned Offset,const Decl * D,ArrayRef<SymbolRelation> Relations)31 void FileIndexRecord::addDeclOccurence(SymbolRoleSet Roles, unsigned Offset,
32 const Decl *D,
33 ArrayRef<SymbolRelation> Relations) {
34 assert(D->isCanonicalDecl() &&
35 "Occurrences should be associated with their canonical decl");
36 IsSorted = false;
37 Decls.emplace_back(Roles, Offset, D, Relations);
38 }
39
addMacroOccurence(SymbolRoleSet Roles,unsigned Offset,const IdentifierInfo * Name,const MacroInfo * MI)40 void FileIndexRecord::addMacroOccurence(SymbolRoleSet Roles, unsigned Offset,
41 const IdentifierInfo *Name,
42 const MacroInfo *MI) {
43 IsSorted = false;
44 Decls.emplace_back(Roles, Offset, Name, MI);
45 }
46
removeHeaderGuardMacros()47 void FileIndexRecord::removeHeaderGuardMacros() {
48 llvm::erase_if(Decls, [](const DeclOccurrence &D) {
49 if (const auto *MI = D.DeclOrMacro.dyn_cast<const MacroInfo *>())
50 return MI->isUsedForHeaderGuard();
51 return false;
52 });
53 }
54
print(llvm::raw_ostream & OS,SourceManager & SM) const55 void FileIndexRecord::print(llvm::raw_ostream &OS, SourceManager &SM) const {
56 OS << "DECLS BEGIN ---\n";
57 for (auto &DclInfo : Decls) {
58 if (const auto *D = DclInfo.DeclOrMacro.dyn_cast<const Decl *>()) {
59 SourceLocation Loc = SM.getFileLoc(D->getLocation());
60 PresumedLoc PLoc = SM.getPresumedLoc(Loc);
61 OS << llvm::sys::path::filename(PLoc.getFilename()) << ':'
62 << PLoc.getLine() << ':' << PLoc.getColumn();
63
64 if (const auto *ND = dyn_cast<NamedDecl>(D)) {
65 OS << ' ' << ND->getDeclName();
66 }
67 } else {
68 const auto *MI = DclInfo.DeclOrMacro.get<const MacroInfo *>();
69 SourceLocation Loc = SM.getFileLoc(MI->getDefinitionLoc());
70 PresumedLoc PLoc = SM.getPresumedLoc(Loc);
71 OS << llvm::sys::path::filename(PLoc.getFilename()) << ':'
72 << PLoc.getLine() << ':' << PLoc.getColumn();
73 OS << ' ' << DclInfo.MacroName->getName();
74 }
75
76 OS << '\n';
77 }
78 OS << "DECLS END ---\n";
79 }
80