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-rw-r--r--clang-tools-extra/clangd/XRefs.cpp424
1 files changed, 316 insertions, 108 deletions
diff --git a/clang-tools-extra/clangd/XRefs.cpp b/clang-tools-extra/clangd/XRefs.cpp
index c51631ad193..e5e137df21f 100644
--- a/clang-tools-extra/clangd/XRefs.cpp
+++ b/clang-tools-extra/clangd/XRefs.cpp
@@ -7,21 +7,37 @@
//===----------------------------------------------------------------------===//
#include "XRefs.h"
#include "AST.h"
+#include "CodeCompletionStrings.h"
#include "FindSymbols.h"
#include "Logger.h"
+#include "Protocol.h"
#include "SourceCode.h"
#include "URI.h"
#include "index/Merge.h"
#include "index/SymbolCollector.h"
#include "index/SymbolLocation.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/Decl.h"
#include "clang/AST/DeclTemplate.h"
+#include "clang/AST/PrettyPrinter.h"
#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/AST/Type.h"
+#include "clang/Basic/LLVM.h"
+#include "clang/Basic/SourceLocation.h"
+#include "clang/Basic/SourceManager.h"
#include "clang/Index/IndexDataConsumer.h"
#include "clang/Index/IndexSymbol.h"
#include "clang/Index/IndexingAction.h"
#include "clang/Index/USRGeneration.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/None.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/Path.h"
+#include "llvm/Support/raw_ostream.h"
namespace clang {
namespace clangd {
@@ -241,17 +257,17 @@ IdentifiedSymbol getSymbolAtPosition(ParsedAST &AST, SourceLocation Pos) {
return {DeclMacrosFinder.getFoundDecls(), DeclMacrosFinder.takeMacroInfos()};
}
-Range getTokenRange(ParsedAST &AST, SourceLocation TokLoc) {
- const SourceManager &SourceMgr = AST.getASTContext().getSourceManager();
- SourceLocation LocEnd = Lexer::getLocForEndOfToken(
- TokLoc, 0, SourceMgr, AST.getASTContext().getLangOpts());
+Range getTokenRange(ASTContext &AST, SourceLocation TokLoc) {
+ const SourceManager &SourceMgr = AST.getSourceManager();
+ SourceLocation LocEnd =
+ Lexer::getLocForEndOfToken(TokLoc, 0, SourceMgr, AST.getLangOpts());
return {sourceLocToPosition(SourceMgr, TokLoc),
sourceLocToPosition(SourceMgr, LocEnd)};
}
-llvm::Optional<Location> makeLocation(ParsedAST &AST, SourceLocation TokLoc,
+llvm::Optional<Location> makeLocation(ASTContext &AST, SourceLocation TokLoc,
llvm::StringRef TUPath) {
- const SourceManager &SourceMgr = AST.getASTContext().getSourceManager();
+ const SourceManager &SourceMgr = AST.getSourceManager();
const FileEntry *F = SourceMgr.getFileEntryForID(SourceMgr.getFileID(TokLoc));
if (!F)
return None;
@@ -299,8 +315,8 @@ std::vector<LocatedSymbol> locateSymbolAt(ParsedAST &AST, Position Pos,
// As a consequence, there's no need to look them up in the index either.
std::vector<LocatedSymbol> Result;
for (auto M : Symbols.Macros) {
- if (auto Loc =
- makeLocation(AST, M.Info->getDefinitionLoc(), *MainFilePath)) {
+ if (auto Loc = makeLocation(AST.getASTContext(), M.Info->getDefinitionLoc(),
+ *MainFilePath)) {
LocatedSymbol Macro;
Macro.Name = M.Name;
Macro.PreferredDeclaration = *Loc;
@@ -320,7 +336,7 @@ std::vector<LocatedSymbol> locateSymbolAt(ParsedAST &AST, Position Pos,
// Emit all symbol locations (declaration or definition) from AST.
for (const Decl *D : Symbols.Decls) {
- auto Loc = makeLocation(AST, findNameLoc(D), *MainFilePath);
+ auto Loc = makeLocation(AST.getASTContext(), findNameLoc(D), *MainFilePath);
if (!Loc)
continue;
@@ -453,7 +469,7 @@ std::vector<DocumentHighlight> findDocumentHighlights(ParsedAST &AST,
std::vector<DocumentHighlight> Result;
for (const auto &Ref : References) {
DocumentHighlight DH;
- DH.range = getTokenRange(AST, Ref.Loc);
+ DH.range = getTokenRange(AST.getASTContext(), Ref.Loc);
if (Ref.Role & index::SymbolRoleSet(index::SymbolRole::Write))
DH.kind = DocumentHighlightKind::Write;
else if (Ref.Role & index::SymbolRoleSet(index::SymbolRole::Read))
@@ -477,102 +493,238 @@ static PrintingPolicy printingPolicyForDecls(PrintingPolicy Base) {
return Policy;
}
-/// Return a string representation (e.g. "class MyNamespace::MyClass") of
-/// the type declaration \p TD.
-static std::string typeDeclToString(const TypeDecl *TD) {
- QualType Type = TD->getASTContext().getTypeDeclType(TD);
+/// Given a declaration \p D, return a human-readable string representing the
+/// local scope in which it is declared, i.e. class(es) and method name. Returns
+/// an empty string if it is not local.
+static std::string getLocalScope(const Decl *D) {
+ std::vector<std::string> Scopes;
+ const DeclContext *DC = D->getDeclContext();
+ auto GetName = [](const Decl *D) {
+ const NamedDecl *ND = dyn_cast<NamedDecl>(D);
+ std::string Name = ND->getNameAsString();
+ if (!Name.empty())
+ return Name;
+ if (auto RD = dyn_cast<RecordDecl>(D))
+ return ("(anonymous " + RD->getKindName() + ")").str();
+ return std::string("");
+ };
+ while (DC) {
+ if (const TypeDecl *TD = dyn_cast<TypeDecl>(DC))
+ Scopes.push_back(GetName(TD));
+ else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(DC))
+ Scopes.push_back(FD->getNameAsString());
+ DC = DC->getParent();
+ }
- PrintingPolicy Policy =
- printingPolicyForDecls(TD->getASTContext().getPrintingPolicy());
+ return llvm::join(llvm::reverse(Scopes), "::");
+}
- std::string Name;
- llvm::raw_string_ostream Stream(Name);
- Type.print(Stream, Policy);
+/// Returns the human-readable representation for namespace containing the
+/// declaration \p D. Returns empty if it is contained global namespace.
+static std::string getNamespaceScope(const Decl *D) {
+ const DeclContext *DC = D->getDeclContext();
+
+ if (const TypeDecl *TD = dyn_cast<TypeDecl>(DC))
+ return getNamespaceScope(TD);
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(DC))
+ return getNamespaceScope(FD);
+ if (const NamedDecl *ND = dyn_cast<NamedDecl>(DC))
+ return ND->getQualifiedNameAsString();
- return Stream.str();
+ return "";
}
-/// Return a string representation (e.g. "namespace ns1::ns2") of
-/// the named declaration \p ND.
-static std::string namedDeclQualifiedName(const NamedDecl *ND,
- llvm::StringRef Prefix) {
+static std::string printDefinition(const Decl *D) {
+ std::string Definition;
+ llvm::raw_string_ostream OS(Definition);
PrintingPolicy Policy =
- printingPolicyForDecls(ND->getASTContext().getPrintingPolicy());
-
- std::string Name;
- llvm::raw_string_ostream Stream(Name);
- Stream << Prefix << ' ';
- ND->printQualifiedName(Stream, Policy);
+ printingPolicyForDecls(D->getASTContext().getPrintingPolicy());
+ Policy.IncludeTagDefinition = false;
+ D->print(OS, Policy);
+ return Definition;
+}
- return Stream.str();
+static void printParams(llvm::raw_ostream &OS,
+ const std::vector<HoverInfo::Param> &Params) {
+ for (size_t I = 0, E = Params.size(); I != E; ++I) {
+ if (I)
+ OS << ", ";
+ OS << Params.at(I);
+ }
}
-/// Given a declaration \p D, return a human-readable string representing the
-/// scope in which it is declared. If the declaration is in the global scope,
-/// return the string "global namespace".
-static llvm::Optional<std::string> getScopeName(const Decl *D) {
- const DeclContext *DC = D->getDeclContext();
+static std::vector<HoverInfo::Param>
+fetchTemplateParameters(const TemplateParameterList *Params,
+ const PrintingPolicy &PP) {
+ assert(Params);
+ std::vector<HoverInfo::Param> TempParameters;
+
+ for (const Decl *Param : *Params) {
+ HoverInfo::Param P;
+ P.Type.emplace();
+ if (const auto TTP = dyn_cast<TemplateTypeParmDecl>(Param)) {
+ P.Type = TTP->wasDeclaredWithTypename() ? "typename" : "class";
+ if (TTP->isParameterPack())
+ *P.Type += "...";
+
+ if (!TTP->getName().empty())
+ P.Name = TTP->getNameAsString();
+ if (TTP->hasDefaultArgument())
+ P.Default = TTP->getDefaultArgument().getAsString(PP);
+ } else if (const auto NTTP = dyn_cast<NonTypeTemplateParmDecl>(Param)) {
+ if (IdentifierInfo *II = NTTP->getIdentifier())
+ P.Name = II->getName().str();
+
+ llvm::raw_string_ostream Out(*P.Type);
+ NTTP->getType().print(Out, PP);
+ if (NTTP->isParameterPack())
+ Out << "...";
+
+ if (NTTP->hasDefaultArgument()) {
+ P.Default.emplace();
+ llvm::raw_string_ostream Out(*P.Default);
+ NTTP->getDefaultArgument()->printPretty(Out, nullptr, PP);
+ }
+ } else if (const auto TTPD = dyn_cast<TemplateTemplateParmDecl>(Param)) {
+ llvm::raw_string_ostream OS(*P.Type);
+ OS << "template <";
+ printParams(OS,
+ fetchTemplateParameters(TTPD->getTemplateParameters(), PP));
+ OS << "> class"; // FIXME: TemplateTemplateParameter doesn't store the
+ // info on whether this param was a "typename" or
+ // "class".
+ if (!TTPD->getName().empty())
+ P.Name = TTPD->getNameAsString();
+ if (TTPD->hasDefaultArgument()) {
+ P.Default.emplace();
+ llvm::raw_string_ostream Out(*P.Default);
+ TTPD->getDefaultArgument().getArgument().print(PP, Out);
+ }
+ }
+ TempParameters.push_back(std::move(P));
+ }
- if (isa<TranslationUnitDecl>(DC))
- return std::string("global namespace");
- if (const TypeDecl *TD = dyn_cast<TypeDecl>(DC))
- return typeDeclToString(TD);
- else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(DC))
- return namedDeclQualifiedName(ND, "namespace");
- else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(DC))
- return namedDeclQualifiedName(FD, "function");
+ return TempParameters;
+}
- return None;
+static llvm::Optional<Range> getTokenRange(SourceLocation Loc,
+ const ASTContext &Ctx) {
+ if (!Loc.isValid())
+ return llvm::None;
+ SourceLocation End = Lexer::getLocForEndOfToken(
+ Loc, 0, Ctx.getSourceManager(), Ctx.getLangOpts());
+ if (!End.isValid())
+ return llvm::None;
+ return halfOpenToRange(Ctx.getSourceManager(),
+ CharSourceRange::getCharRange(Loc, End));
}
/// Generate a \p Hover object given the declaration \p D.
-static Hover getHoverContents(const Decl *D) {
- Hover H;
- llvm::Optional<std::string> NamedScope = getScopeName(D);
-
- // Generate the "Declared in" section.
- if (NamedScope) {
- assert(!NamedScope->empty());
-
- H.contents.value += "Declared in ";
- H.contents.value += *NamedScope;
- H.contents.value += "\n\n";
+static HoverInfo getHoverContents(const Decl *D) {
+ HoverInfo HI;
+ const ASTContext &Ctx = D->getASTContext();
+
+ HI.NamespaceScope = getNamespaceScope(D);
+ if (!HI.NamespaceScope->empty())
+ HI.NamespaceScope->append("::");
+ HI.LocalScope = getLocalScope(D);
+ if (!HI.LocalScope.empty())
+ HI.LocalScope.append("::");
+
+ PrintingPolicy Policy = printingPolicyForDecls(Ctx.getPrintingPolicy());
+ if (const NamedDecl *ND = llvm::dyn_cast<NamedDecl>(D)) {
+ HI.Documentation = getDeclComment(Ctx, *ND);
+ HI.Name = printName(Ctx, *ND);
}
- // We want to include the template in the Hover.
- if (TemplateDecl *TD = D->getDescribedTemplate())
- D = TD;
-
- std::string DeclText;
- llvm::raw_string_ostream OS(DeclText);
-
- PrintingPolicy Policy =
- printingPolicyForDecls(D->getASTContext().getPrintingPolicy());
+ HI.Kind = indexSymbolKindToSymbolKind(index::getSymbolInfo(D).Kind);
- D->print(OS, Policy);
+ // Fill in template params.
+ if (const TemplateDecl *TD = D->getDescribedTemplate()) {
+ HI.TemplateParameters =
+ fetchTemplateParameters(TD->getTemplateParameters(), Policy);
+ D = TD;
+ } else if (const FunctionDecl *FD = D->getAsFunction()) {
+ if (const auto FTD = FD->getDescribedTemplate()) {
+ HI.TemplateParameters =
+ fetchTemplateParameters(FTD->getTemplateParameters(), Policy);
+ D = FTD;
+ }
+ }
- OS.flush();
+ // Fill in types and params.
+ if (const FunctionDecl *FD = D->getAsFunction()) {
+ HI.ReturnType.emplace();
+ llvm::raw_string_ostream OS(*HI.ReturnType);
+ FD->getReturnType().print(OS, Policy);
+
+ HI.Type.emplace();
+ llvm::raw_string_ostream TypeOS(*HI.Type);
+ FD->getReturnType().print(TypeOS, Policy);
+ TypeOS << '(';
+
+ HI.Parameters.emplace();
+ for (const ParmVarDecl *PVD : FD->parameters()) {
+ if (HI.Parameters->size())
+ TypeOS << ", ";
+ HI.Parameters->emplace_back();
+ auto &P = HI.Parameters->back();
+ if (!PVD->getType().isNull()) {
+ P.Type.emplace();
+ llvm::raw_string_ostream OS(*P.Type);
+ PVD->getType().print(OS, Policy);
+ PVD->getType().print(TypeOS, Policy);
+ } else {
+ std::string Param;
+ llvm::raw_string_ostream OS(Param);
+ PVD->dump(OS);
+ OS.flush();
+ elog("Got param with null type: {0}", Param);
+ }
+ if (!PVD->getName().empty())
+ P.Name = PVD->getNameAsString();
+ if (PVD->hasDefaultArg()) {
+ P.Default.emplace();
+ llvm::raw_string_ostream Out(*P.Default);
+ PVD->getDefaultArg()->printPretty(Out, nullptr, Policy);
+ }
+ }
+ TypeOS << ')';
+ // FIXME: handle variadics.
+ } else if (const auto *VD = dyn_cast<ValueDecl>(D)) {
+ // FIXME: Currently lambdas are also handled as ValueDecls, they should be
+ // more similar to functions.
+ HI.Type.emplace();
+ llvm::raw_string_ostream OS(*HI.Type);
+ VD->getType().print(OS, Policy);
+ }
- H.contents.value += DeclText;
- return H;
+ HI.Definition = printDefinition(D);
+ return HI;
}
/// Generate a \p Hover object given the type \p T.
-static Hover getHoverContents(QualType T, ASTContext &ASTCtx) {
- Hover H;
- std::string TypeText;
- llvm::raw_string_ostream OS(TypeText);
+static HoverInfo getHoverContents(QualType T, const Decl *D,
+ ASTContext &ASTCtx) {
+ HoverInfo HI;
+ llvm::raw_string_ostream OS(HI.Name);
PrintingPolicy Policy = printingPolicyForDecls(ASTCtx.getPrintingPolicy());
T.print(OS, Policy);
- OS.flush();
- H.contents.value += TypeText;
- return H;
+
+ if (D)
+ HI.Kind = indexSymbolKindToSymbolKind(index::getSymbolInfo(D).Kind);
+ return HI;
}
/// Generate a \p Hover object given the macro \p MacroDecl.
-static Hover getHoverContents(MacroDecl Decl, ParsedAST &AST) {
+static HoverInfo getHoverContents(MacroDecl Decl, ParsedAST &AST) {
+ HoverInfo HI;
SourceManager &SM = AST.getASTContext().getSourceManager();
- std::string Definition = Decl.Name;
+ HI.Name = Decl.Name;
+ HI.Kind = indexSymbolKindToSymbolKind(
+ index::getSymbolInfoForMacro(*Decl.Info).Kind);
+ // FIXME: Populate documentation
+ // FIXME: Pupulate parameters
// Try to get the full definition, not just the name
SourceLocation StartLoc = Decl.Info->getDefinitionLoc();
@@ -586,14 +738,12 @@ static Hover getHoverContents(MacroDecl Decl, ParsedAST &AST) {
unsigned StartOffset = SM.getFileOffset(StartLoc);
unsigned EndOffset = SM.getFileOffset(EndLoc);
if (EndOffset <= Buffer.size() && StartOffset < EndOffset)
- Definition = Buffer.substr(StartOffset, EndOffset - StartOffset).str();
+ HI.Definition =
+ ("#define " + Buffer.substr(StartOffset, EndOffset - StartOffset))
+ .str();
}
}
-
- Hover H;
- H.contents.kind = MarkupKind::PlainText;
- H.contents.value = "#define " + Definition;
- return H;
+ return HI;
}
namespace {
@@ -607,14 +757,11 @@ namespace {
/// a deduced type set. The AST should be improved to simplify this scenario.
class DeducedTypeVisitor : public RecursiveASTVisitor<DeducedTypeVisitor> {
SourceLocation SearchedLocation;
- llvm::Optional<QualType> DeducedType;
public:
DeducedTypeVisitor(SourceLocation SearchedLocation)
: SearchedLocation(SearchedLocation) {}
- llvm::Optional<QualType> getDeducedType() { return DeducedType; }
-
// Handle auto initializers:
//- auto i = 1;
//- decltype(auto) i = 1;
@@ -626,8 +773,10 @@ public:
return true;
if (auto *AT = D->getType()->getContainedAutoType()) {
- if (!AT->getDeducedType().isNull())
+ if (!AT->getDeducedType().isNull()) {
DeducedType = AT->getDeducedType();
+ this->D = D;
+ }
}
return true;
}
@@ -655,13 +804,17 @@ public:
const AutoType *AT = D->getReturnType()->getContainedAutoType();
if (AT && !AT->getDeducedType().isNull()) {
DeducedType = AT->getDeducedType();
+ this->D = D;
} else if (auto DT = dyn_cast<DecltypeType>(D->getReturnType())) {
// auto in a trailing return type just points to a DecltypeType and
// getContainedAutoType does not unwrap it.
- if (!DT->getUnderlyingType().isNull())
+ if (!DT->getUnderlyingType().isNull()) {
DeducedType = DT->getUnderlyingType();
+ this->D = D;
+ }
} else if (!D->getReturnType().isNull()) {
DeducedType = D->getReturnType();
+ this->D = D;
}
return true;
}
@@ -680,16 +833,19 @@ public:
const DecltypeType *DT = dyn_cast<DecltypeType>(TL.getTypePtr());
while (DT && !DT->getUnderlyingType().isNull()) {
DeducedType = DT->getUnderlyingType();
- DT = dyn_cast<DecltypeType>(DeducedType->getTypePtr());
+ D = DT->getAsTagDecl();
+ DT = dyn_cast<DecltypeType>(DeducedType.getTypePtr());
}
return true;
}
+
+ QualType DeducedType;
+ const Decl *D = nullptr;
};
} // namespace
/// Retrieves the deduced type at a given location (auto, decltype).
-llvm::Optional<QualType> getDeducedType(ParsedAST &AST,
- SourceLocation SourceLocationBeg) {
+bool hasDeducedType(ParsedAST &AST, SourceLocation SourceLocationBeg) {
Token Tok;
auto &ASTCtx = AST.getASTContext();
// Only try to find a deduced type if the token is auto or decltype.
@@ -697,18 +853,17 @@ llvm::Optional<QualType> getDeducedType(ParsedAST &AST,
Lexer::getRawToken(SourceLocationBeg, Tok, ASTCtx.getSourceManager(),
ASTCtx.getLangOpts(), false) ||
!Tok.is(tok::raw_identifier)) {
- return {};
+ return false;
}
AST.getPreprocessor().LookUpIdentifierInfo(Tok);
if (!(Tok.is(tok::kw_auto) || Tok.is(tok::kw_decltype)))
- return {};
-
- DeducedTypeVisitor V(SourceLocationBeg);
- V.TraverseAST(AST.getASTContext());
- return V.getDeducedType();
+ return false;
+ return true;
}
-llvm::Optional<Hover> getHover(ParsedAST &AST, Position Pos) {
+llvm::Optional<HoverInfo> getHover(ParsedAST &AST, Position Pos,
+ format::FormatStyle Style) {
+ llvm::Optional<HoverInfo> HI;
const SourceManager &SourceMgr = AST.getASTContext().getSourceManager();
SourceLocation SourceLocationBeg =
getBeginningOfIdentifier(AST, Pos, SourceMgr.getMainFileID());
@@ -716,16 +871,28 @@ llvm::Optional<Hover> getHover(ParsedAST &AST, Position Pos) {
auto Symbols = getSymbolAtPosition(AST, SourceLocationBeg);
if (!Symbols.Macros.empty())
- return getHoverContents(Symbols.Macros[0], AST);
-
- if (!Symbols.Decls.empty())
- return getHoverContents(Symbols.Decls[0]);
+ HI = getHoverContents(Symbols.Macros[0], AST);
+ else if (!Symbols.Decls.empty())
+ HI = getHoverContents(Symbols.Decls[0]);
+ else {
+ if (!hasDeducedType(AST, SourceLocationBeg))
+ return None;
+
+ DeducedTypeVisitor V(SourceLocationBeg);
+ V.TraverseAST(AST.getASTContext());
+ if (V.DeducedType.isNull())
+ return None;
+ HI = getHoverContents(V.DeducedType, V.D, AST.getASTContext());
+ }
- auto DeducedType = getDeducedType(AST, SourceLocationBeg);
- if (DeducedType && !DeducedType->isNull())
- return getHoverContents(*DeducedType, AST.getASTContext());
+ auto Replacements = format::reformat(
+ Style, HI->Definition, tooling::Range(0, HI->Definition.size()));
+ if (auto Formatted =
+ tooling::applyAllReplacements(HI->Definition, Replacements))
+ HI->Definition = *Formatted;
- return None;
+ HI->SymRange = getTokenRange(SourceLocationBeg, AST.getASTContext());
+ return HI;
}
std::vector<Location> findReferences(ParsedAST &AST, Position Pos,
@@ -748,7 +915,7 @@ std::vector<Location> findReferences(ParsedAST &AST, Position Pos,
auto MainFileRefs = findRefs(Symbols.Decls, AST);
for (const auto &Ref : MainFileRefs) {
Location Result;
- Result.range = getTokenRange(AST, Ref.Loc);
+ Result.range = getTokenRange(AST.getASTContext(), Ref.Loc);
Result.uri = URIForFile::canonicalize(*MainFilePath, *MainFilePath);
Results.push_back(std::move(Result));
}
@@ -991,5 +1158,46 @@ getTypeHierarchy(ParsedAST &AST, Position Pos, int ResolveLevels,
return Result;
}
+MarkupContent HoverInfo::render() const {
+ MarkupContent Content;
+ Content.kind = MarkupKind::PlainText;
+ std::vector<std::string> Output;
+
+ if (NamespaceScope) {
+ llvm::raw_string_ostream Out(Content.value);
+ Out << "Declared in ";
+ // Drop trailing "::".
+ if (!LocalScope.empty())
+ Out << *NamespaceScope << llvm::StringRef(LocalScope).drop_back(2);
+ else if (NamespaceScope->empty())
+ Out << "global namespace";
+ else
+ Out << llvm::StringRef(*NamespaceScope).drop_back(2);
+ Out << "\n\n";
+ }
+
+ if (!Definition.empty()) {
+ Output.push_back(Definition);
+ } else {
+ // Builtin types
+ Output.push_back(Name);
+ }
+ Content.value += llvm::join(Output, " ");
+ return Content;
+}
+
+llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
+ const HoverInfo::Param &P) {
+ std::vector<llvm::StringRef> Output;
+ if (P.Type)
+ Output.push_back(*P.Type);
+ if (P.Name)
+ Output.push_back(*P.Name);
+ OS << llvm::join(Output, " ");
+ if (P.Default)
+ OS << " = " << *P.Default;
+ return OS;
+}
+
} // namespace clangd
} // namespace clang
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