This revision was automatically updated to reflect the committed changes.
Closed by commit rGbcb3e42fdfb3: [clangd] Go-to-definition on
'override' jumps to overridden method(s) (authored by sammccall).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D73367/new/
https://reviews.llvm.org/D73367
Files:
clang-tools-extra/clangd/XRefs.cpp
clang-tools-extra/clangd/unittests/XRefsTests.cpp
Index: clang-tools-extra/clangd/unittests/XRefsTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/XRefsTests.cpp
+++ clang-tools-extra/clangd/unittests/XRefsTests.cpp
@@ -447,6 +447,11 @@
struct Fo^o<T*> {};
)cpp",
+ R"cpp(// Override specifier jumps to overridden method
+ class Y { virtual void $decl[[a]]() = 0; };
+ class X : Y { void a() ^override {} };
+ )cpp",
+
R"cpp(// Heuristic resolution of dependent method
template <typename T>
struct S {
Index: clang-tools-extra/clangd/XRefs.cpp
===================================================================
--- clang-tools-extra/clangd/XRefs.cpp
+++ clang-tools-extra/clangd/XRefs.cpp
@@ -21,6 +21,7 @@
#include "index/Relation.h"
#include "index/SymbolLocation.h"
#include "clang/AST/ASTContext.h"
+#include "clang/AST/Attr.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclTemplate.h"
@@ -249,31 +250,17 @@
return Result;
}
- // Emit all symbol locations (declaration or definition) from AST.
- DeclRelationSet Relations =
- DeclRelation::TemplatePattern | DeclRelation::Alias;
- for (const NamedDecl *D : getDeclAtPosition(AST, SourceLoc, Relations)) {
+ auto AddResultDecl = [&](const NamedDecl *D) {
const NamedDecl *Def = getDefinition(D);
const NamedDecl *Preferred = Def ? Def : D;
- // If we're at the point of declaration of a template specialization,
- // it's more useful to navigate to the template declaration.
- if (SM.getMacroArgExpandedLocation(Preferred->getLocation()) ==
- IdentStartLoc) {
- if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(Preferred)) {
- D = CTSD->getSpecializedTemplate();
- Def = getDefinition(D);
- Preferred = Def ? Def : D;
- }
- }
-
auto Loc = makeLocation(AST.getASTContext(), nameLocation(*Preferred, SM),
*MainFilePath);
if (!Loc)
- continue;
+ return;
Result.emplace_back();
- Result.back().Name = printName(AST.getASTContext(), *D);
+ Result.back().Name = printName(AST.getASTContext(), *Preferred);
Result.back().PreferredDeclaration = *Loc;
// Preferred is always a definition if possible, so this check works.
if (Def == Preferred)
@@ -282,6 +269,37 @@
// Record SymbolID for index lookup later.
if (auto ID = getSymbolID(Preferred))
ResultIndex[*ID] = Result.size() - 1;
+ };
+
+ // Emit all symbol locations (declaration or definition) from AST.
+ DeclRelationSet Relations =
+ DeclRelation::TemplatePattern | DeclRelation::Alias;
+ for (const NamedDecl *D : getDeclAtPosition(AST, SourceLoc, Relations)) {
+ // Special case: void foo() ^override: jump to the overridden method.
+ if (const auto *CMD = llvm::dyn_cast<CXXMethodDecl>(D)) {
+ const auto *Attr = D->getAttr<OverrideAttr>();
+ const syntax::Token *Tok =
+ spelledIdentifierTouching(SourceLoc, AST.getTokens());
+ if (Attr && Tok &&
+ SM.getSpellingLoc(Attr->getLocation()) == Tok->location()) {
+ // We may be overridding multiple methods - offer them all.
+ for (const NamedDecl *ND : CMD->overridden_methods())
+ AddResultDecl(ND);
+ continue;
+ }
+ }
+
+ // Special case: the point of declaration of a template specialization,
+ // it's more useful to navigate to the template declaration.
+ if (SM.getMacroArgExpandedLocation(D->getLocation()) == IdentStartLoc) {
+ if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
+ AddResultDecl(CTSD->getSpecializedTemplate());
+ continue;
+ }
+ }
+
+ // Otherwise the target declaration is the right one.
+ AddResultDecl(D);
}
// Now query the index for all Symbol IDs we found in the AST.
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