[clang-tools-extra] c3846bc - [clangd][NFC] Reserve storage when creating semantic token encoding.

[Nathan James via cfe-commits]

Author: Nathan James
Date: 2021-04-28T22:39:54+01:00
New Revision: c3846bcfe1cc6d6421a543757b5046ea841d4610

URL: https://github.com/llvm/llvm-project/commit/c3846bcfe1cc6d6421a543757b5046ea841d4610
DIFF: https://github.com/llvm/llvm-project/commit/c3846bcfe1cc6d6421a543757b5046ea841d4610.diff

LOG: [clangd][NFC] Reserve storage when creating semantic token encoding.

Reviewed By: sammccall

Differential Revision: https://reviews.llvm.org/D101461

Added: 
    

Modified: 
    clang-tools-extra/clangd/Protocol.cpp

Removed: 
    


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diff  --git a/clang-tools-extra/clangd/Protocol.cpp b/clang-tools-extra/clangd/Protocol.cpp
index 543239264909..71a89ccdc587 100644
--- a/clang-tools-extra/clangd/Protocol.cpp
+++ b/clang-tools-extra/clangd/Protocol.cpp
@@ -1075,6 +1075,7 @@ llvm::json::Value toJSON(const FileStatus &FStatus) {
 constexpr unsigned SemanticTokenEncodingSize = 5;
 static llvm::json::Value encodeTokens(llvm::ArrayRef<SemanticToken> Toks) {
   llvm::json::Array Result;
+  Result.reserve(SemanticTokenEncodingSize * Toks.size());
   for (const auto &Tok : Toks) {
     Result.push_back(Tok.deltaLine);
     Result.push_back(Tok.deltaStart);