sammccall created this revision.
Herald added subscribers: cfe-commits, MaskRay, ioeric, jkorous-apple,
ilya-biryukov, klimek.
- don't count occurrences of decls where we don't spell the name
Repository:
rCTE Clang Tools Extra
https://reviews.llvm.org/D45356
Files:
clangd/XRefs.cpp
clangd/index/SymbolCollector.cpp
clangd/index/SymbolCollector.h
unittests/clangd/SymbolCollectorTests.cpp
Index: unittests/clangd/SymbolCollectorTests.cpp
===================================================================
--- unittests/clangd/SymbolCollectorTests.cpp
+++ unittests/clangd/SymbolCollectorTests.cpp
@@ -250,14 +250,16 @@
class Y;
class Z {}; // not used anywhere
Y* y = nullptr; // used in header doesn't count
+ #define GLOBAL_Z(name) Z name;
)";
const std::string Main = R"(
W* w = nullptr;
W* w2 = nullptr; // only one usage counts
X x();
class V;
V* v = nullptr; // Used, but not eligible for indexing.
class Y{}; // definition doesn't count as a reference
+ GLOBAL_Z(z); // Not a reference to Z, we don't spell the type.
)";
CollectorOpts.CountReferences = true;
runSymbolCollector(Header, Main);
Index: clangd/index/SymbolCollector.h
===================================================================
--- clangd/index/SymbolCollector.h
+++ clangd/index/SymbolCollector.h
@@ -59,8 +59,8 @@
bool
handleDeclOccurence(const Decl *D, index::SymbolRoleSet Roles,
- ArrayRef<index::SymbolRelation> Relations, FileID FID,
- unsigned Offset,
+ ArrayRef<index::SymbolRelation> Relations,
+ SourceLocation Loc,
index::IndexDataConsumer::ASTNodeInfo ASTNode) override;
SymbolSlab takeSymbols() { return std::move(Symbols).build(); }
Index: clangd/index/SymbolCollector.cpp
===================================================================
--- clangd/index/SymbolCollector.cpp
+++ clangd/index/SymbolCollector.cpp
@@ -225,7 +225,7 @@
// Always return true to continue indexing.
bool SymbolCollector::handleDeclOccurence(
const Decl *D, index::SymbolRoleSet Roles,
- ArrayRef<index::SymbolRelation> Relations, FileID FID, unsigned Offset,
+ ArrayRef<index::SymbolRelation> Relations, SourceLocation Loc,
index::IndexDataConsumer::ASTNodeInfo ASTNode) {
assert(ASTCtx && PP.get() && "ASTContext and Preprocessor must be set.");
assert(CompletionAllocator && CompletionTUInfo);
@@ -235,9 +235,10 @@
// Mark D as referenced if this is a reference coming from the main file.
// D may not be an interesting symbol, but it's cheaper to check at the end.
+ auto &SM = ASTCtx->getSourceManager();
if (Opts.CountReferences &&
(Roles & static_cast<unsigned>(index::SymbolRole::Reference)) &&
- ASTCtx->getSourceManager().getMainFileID() == FID)
+ SM.getFileID(SM.getSpellingLoc(Loc)) == SM.getMainFileID())
ReferencedDecls.insert(ND);
// Don't continue indexing if this is a mere reference.
Index: clangd/XRefs.cpp
===================================================================
--- clangd/XRefs.cpp
+++ clangd/XRefs.cpp
@@ -79,10 +79,10 @@
bool
handleDeclOccurence(const Decl *D, index::SymbolRoleSet Roles,
- ArrayRef<index::SymbolRelation> Relations, FileID FID,
- unsigned Offset,
+ ArrayRef<index::SymbolRelation> Relations,
+ SourceLocation Loc,
index::IndexDataConsumer::ASTNodeInfo ASTNode) override {
- if (isSearchedLocation(FID, Offset)) {
+ if (AST.getSourceManager().getSpellingLoc(Loc) == SearchedLocation) {
// Find and add definition declarations (for GoToDefinition).
// We don't use parameter `D`, as Parameter `D` is the canonical
// declaration, which is the first declaration of a redeclarable
@@ -98,12 +98,6 @@
}
private:
- bool isSearchedLocation(FileID FID, unsigned Offset) const {
- const SourceManager &SourceMgr = AST.getSourceManager();
- return SourceMgr.getFileOffset(SearchedLocation) == Offset &&
- SourceMgr.getFileID(SearchedLocation) == FID;
- }
-
void finish() override {
// Also handle possible macro at the searched location.
Token Result;
@@ -125,19 +119,8 @@
MacroDefinition MacroDef =
PP.getMacroDefinitionAtLoc(IdentifierInfo, BeforeSearchedLocation);
MacroInfo *MacroInf = MacroDef.getMacroInfo();
- if (MacroInf) {
+ if (MacroInf)
MacroInfos.push_back(MacroDecl{IdentifierInfo->getName(), MacroInf});
- // Clear all collected delcarations if this is a macro search.
- //
- // In theory, there should be no declarataions being collected when we
- // search a source location that refers to a macro.
- // The occurrence location returned by `handleDeclOccurence` is
- // limited (FID, Offset are from expansion location), we will collect
- // all declarations inside the macro.
- //
- // FIXME: Avoid adding decls from inside macros in handlDeclOccurence.
- Decls.clear();
- }
}
}
}
@@ -252,21 +235,20 @@
bool
handleDeclOccurence(const Decl *D, index::SymbolRoleSet Roles,
- ArrayRef<index::SymbolRelation> Relations, FileID FID,
- unsigned Offset,
+ ArrayRef<index::SymbolRelation> Relations,
+ SourceLocation Loc,
index::IndexDataConsumer::ASTNodeInfo ASTNode) override {
const SourceManager &SourceMgr = AST.getSourceManager();
- if (SourceMgr.getMainFileID() != FID ||
+ SourceLocation HighlightStartLoc = SourceMgr.getFileLoc(Loc);
+ if (SourceMgr.getMainFileID() != SourceMgr.getFileID(HighlightStartLoc) ||
std::find(Decls.begin(), Decls.end(), D) == Decls.end()) {
return true;
}
SourceLocation End;
const LangOptions &LangOpts = AST.getLangOpts();
- SourceLocation StartOfFileLoc = SourceMgr.getLocForStartOfFile(FID);
- SourceLocation HightlightStartLoc = StartOfFileLoc.getLocWithOffset(Offset);
End =
- Lexer::getLocForEndOfToken(HightlightStartLoc, 0, SourceMgr, LangOpts);
- SourceRange SR(HightlightStartLoc, End);
+ Lexer::getLocForEndOfToken(HighlightStartLoc, 0, SourceMgr, LangOpts);
+ SourceRange SR(HighlightStartLoc, End);
DocumentHighlightKind Kind = DocumentHighlightKind::Text;
if (static_cast<index::SymbolRoleSet>(index::SymbolRole::Write) & Roles)
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