public:
const char *id() const override final;
- bool prepare(const Selection &Inputs) override {
- for (auto N = Inputs.ASTSelection.commonAncestor(); N && !InterestedDecl;
- N = N->Parent)
- InterestedDecl = N->ASTNode.get<Decl>();
- return InterestedDecl;
- }
+ bool prepare(const Selection &Inputs) override { return true; }
Expected<Effect> apply(const Selection &Inputs) override;
std::string title() const override { return "Annotate highlighting tokens"; }
Intent intent() const override { return Refactor; }
bool hidden() const override { return true; }
-
-private:
- const Decl *InterestedDecl = nullptr;
};
REGISTER_TWEAK(AnnotateHighlightings)
Expected<Tweak::Effect> AnnotateHighlightings::apply(const Selection &Inputs) {
- // Store the existing scopes.
- const auto &BackupScopes = Inputs.AST.getASTContext().getTraversalScope();
- // Narrow the traversal scope to the selected node.
- Inputs.AST.getASTContext().setTraversalScope(
- {const_cast<Decl *>(InterestedDecl)});
- auto HighlightingTokens = getSemanticHighlightings(Inputs.AST);
- // Restore the traversal scope.
- Inputs.AST.getASTContext().setTraversalScope(BackupScopes);
+ // TUDecl is always the root ancestor.
+ const Decl *CommonDecl =
+ Inputs.ASTSelection.root().ASTNode.get<TranslationUnitDecl>();
+ for (auto N = Inputs.ASTSelection.commonAncestor(); N && !CommonDecl;
+ N = N->Parent)
+ CommonDecl = N->ASTNode.get<Decl>();
+ std::vector<HighlightingToken> HighlightingTokens;
+ if (llvm::isa<TranslationUnitDecl>(CommonDecl)) {
+ // We only annotate tokens in the main file, if CommonDecl is a TUDecl,
+ // we use the default traversal scope (which is the top level decls of the
+ // main file).
+ HighlightingTokens = getSemanticHighlightings(Inputs.AST);
+ } else {
+ // Store the existing scopes.
+ const auto &BackupScopes = Inputs.AST.getASTContext().getTraversalScope();
+ // Narrow the traversal scope to the selected node.
+ Inputs.AST.getASTContext().setTraversalScope(
+ {const_cast<Decl *>(CommonDecl)});
+ HighlightingTokens = getSemanticHighlightings(Inputs.AST);
+ // Restore the traversal scope.
+ Inputs.AST.getASTContext().setTraversalScope(BackupScopes);
+ }
auto &SM = Inputs.AST.getSourceManager();
tooling::Replacements Result;
for (const auto &Token : HighlightingTokens) {
TEST(TweakTest, AnnotateHighlightings) {
llvm::StringLiteral ID = "AnnotateHighlightings";
checkAvailable(ID, "^vo^id^ ^f(^) {^}^"); // available everywhere.
+ checkAvailable(ID, "[[int a; int b;]]");
const char *Input = "void ^f() {}";
const char *Output = "void /* entity.name.function.cpp */f() {}";
checkTransform(ID, Input, Output);
+
+ checkTransform(ID,
+ R"cpp(
+[[void f1();
+void f2();]]
+)cpp",
+ R"cpp(
+void /* entity.name.function.cpp */f1();
+void /* entity.name.function.cpp */f2();
+)cpp");
}
TEST(TweakTest, ExpandMacro) {