forked from OSchip/llvm-project
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
//===--- ASTSignals.cpp ------------------------------------------*- C++-*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "ASTSignals.h"
|
|
#include "AST.h"
|
|
#include "FindTarget.h"
|
|
#include "support/Trace.h"
|
|
|
|
namespace clang {
|
|
namespace clangd {
|
|
ASTSignals ASTSignals::derive(const ParsedAST &AST) {
|
|
trace::Span Span("ASTSignals::derive");
|
|
ASTSignals Signals;
|
|
const SourceManager &SM = AST.getSourceManager();
|
|
findExplicitReferences(
|
|
AST.getASTContext(),
|
|
[&](ReferenceLoc Ref) {
|
|
for (const NamedDecl *ND : Ref.Targets) {
|
|
if (!isInsideMainFile(Ref.NameLoc, SM))
|
|
continue;
|
|
SymbolID ID = getSymbolID(ND);
|
|
if (!ID)
|
|
continue;
|
|
unsigned &SymbolCount = Signals.ReferencedSymbols[ID];
|
|
SymbolCount++;
|
|
// Process namespace only when we see the symbol for the first time.
|
|
if (SymbolCount != 1)
|
|
continue;
|
|
if (const auto *NSD = dyn_cast<NamespaceDecl>(ND->getDeclContext())) {
|
|
if (NSD->isAnonymousNamespace())
|
|
continue;
|
|
std::string NS = printNamespaceScope(*NSD);
|
|
if (!NS.empty())
|
|
Signals.RelatedNamespaces[NS]++;
|
|
}
|
|
}
|
|
},
|
|
AST.getHeuristicResolver());
|
|
return Signals;
|
|
}
|
|
} // namespace clangd
|
|
} // namespace clang
|