[clang-tools-extra] a0cf2b8 - [clangd][NFC] Remove unnecessary vector.

[Nathan James via cfe-commits]

Author: Nathan James
Date: 2020-12-10T14:59:17Z
New Revision: a0cf2b8f712e0bca9185d77cf1def8160f165548

URL: https://github.com/llvm/llvm-project/commit/a0cf2b8f712e0bca9185d77cf1def8160f165548
DIFF: https://github.com/llvm/llvm-project/commit/a0cf2b8f712e0bca9185d77cf1def8160f165548.diff

LOG: [clangd][NFC] Remove unnecessary vector.

As pointed out in D92788.

Reviewed By: kbobyrev

Differential Revision: https://reviews.llvm.org/D92986

Added: 
    

Modified: 
    clang-tools-extra/clangd/unittests/TestTU.cpp

Removed: 
    


################################################################################
diff  --git a/clang-tools-extra/clangd/unittests/TestTU.cpp b/clang-tools-extra/clangd/unittests/TestTU.cpp
index 27019403ae85..3b1130444671 100644
--- a/clang-tools-extra/clangd/unittests/TestTU.cpp
+++ b/clang-tools-extra/clangd/unittests/TestTU.cpp
@@ -187,9 +187,6 @@ const Symbol &findSymbol(const SymbolSlab &Slab, llvm::StringRef QName) {
 }
 
 const NamedDecl &findDecl(ParsedAST &AST, llvm::StringRef QName) {
-  llvm::SmallVector<llvm::StringRef> Components;
-  QName.split(Components, "::");
-
   auto &Ctx = AST.getASTContext();
   auto LookupDecl = [&Ctx](const DeclContext &Scope,
                            llvm::StringRef Name) -> const NamedDecl & {
@@ -200,11 +197,13 @@ const NamedDecl &findDecl(ParsedAST &AST, llvm::StringRef QName) {
   };
 
   const DeclContext *Scope = Ctx.getTranslationUnitDecl();
-  for (auto NameIt = Components.begin(), End = Components.end() - 1;
-       NameIt != End; ++NameIt) {
-    Scope = &cast<DeclContext>(LookupDecl(*Scope, *NameIt));
+
+  StringRef Cur, Rest;
+  for (std::tie(Cur, Rest) = QName.split("::"); !Rest.empty();
+       std::tie(Cur, Rest) = Rest.split("::")) {
+    Scope = &cast<DeclContext>(LookupDecl(*Scope, Cur));
   }
-  return LookupDecl(*Scope, Components.back());
+  return LookupDecl(*Scope, Cur);
 }
 
 const NamedDecl &findDecl(ParsedAST &AST,