xref: /freebsd/contrib/llvm-project/clang/lib/Index/FileIndexRecord.cpp (revision 7029da5c36f2d3cf6bb6c81bf551229f416399e8)
1 //===--- FileIndexRecord.cpp - Index data per file --------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "FileIndexRecord.h"
11 #include "clang/AST/ASTContext.h"
12 #include "clang/AST/DeclTemplate.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 void FileIndexRecord::addDeclOccurence(SymbolRoleSet Roles, unsigned Offset,
20                                        const Decl *D,
21                                        ArrayRef<SymbolRelation> Relations) {
22   assert(D->isCanonicalDecl() &&
23          "Occurrences should be associated with their canonical decl");
24 
25   auto IsNextOccurence = [&]() -> bool {
26     if (Decls.empty())
27       return true;
28     auto &Last = Decls.back();
29     return Last.Offset < Offset;
30   };
31 
32   if (IsNextOccurence()) {
33     Decls.emplace_back(Roles, Offset, D, Relations);
34     return;
35   }
36 
37   DeclOccurrence NewInfo(Roles, Offset, D, Relations);
38   // We keep Decls in order as we need to access them in this order in all cases.
39   auto It = llvm::upper_bound(Decls, NewInfo);
40   Decls.insert(It, std::move(NewInfo));
41 }
42 
43 void FileIndexRecord::print(llvm::raw_ostream &OS) const {
44   OS << "DECLS BEGIN ---\n";
45   for (auto &DclInfo : Decls) {
46     const Decl *D = DclInfo.Dcl;
47     SourceManager &SM = D->getASTContext().getSourceManager();
48     SourceLocation Loc = SM.getFileLoc(D->getLocation());
49     PresumedLoc PLoc = SM.getPresumedLoc(Loc);
50     OS << llvm::sys::path::filename(PLoc.getFilename()) << ':' << PLoc.getLine()
51        << ':' << PLoc.getColumn();
52 
53     if (auto ND = dyn_cast<NamedDecl>(D)) {
54       OS << ' ' << ND->getNameAsString();
55     }
56 
57     OS << '\n';
58   }
59   OS << "DECLS END ---\n";
60 }
61