This revision was automatically updated to reflect the committed changes. Closed by commit rL338378: [clangd] Do not build AST if no diagnostics were requested (authored by ibiryukov, committed by ). Herald added a subscriber: llvm-commits.
Repository: rL LLVM https://reviews.llvm.org/D49991 Files: clang-tools-extra/trunk/clangd/TUScheduler.cpp Index: clang-tools-extra/trunk/clangd/TUScheduler.cpp =================================================================== --- clang-tools-extra/trunk/clangd/TUScheduler.cpp +++ clang-tools-extra/trunk/clangd/TUScheduler.cpp @@ -391,19 +391,22 @@ } } + // We only need to build the AST if diagnostics were requested. + if (WantDiags == WantDiagnostics::No) + return; + // Get the AST for diagnostics. llvm::Optional<std::unique_ptr<ParsedAST>> AST = IdleASTs.take(this); if (!AST) { llvm::Optional<ParsedAST> NewAST = buildAST(FileName, std::move(Invocation), Inputs, NewPreamble, PCHs); AST = NewAST ? llvm::make_unique<ParsedAST>(std::move(*NewAST)) : nullptr; } - // We want to report the diagnostics even if this update was cancelled. // It seems more useful than making the clients wait indefinitely if they // spam us with updates. // Note *AST can be still be null if buildAST fails. - if (WantDiags != WantDiagnostics::No && *AST) { + if (*AST) { OnUpdated((*AST)->getDiagnostics()); DiagsWereReported = true; }
Index: clang-tools-extra/trunk/clangd/TUScheduler.cpp =================================================================== --- clang-tools-extra/trunk/clangd/TUScheduler.cpp +++ clang-tools-extra/trunk/clangd/TUScheduler.cpp @@ -391,19 +391,22 @@ } } + // We only need to build the AST if diagnostics were requested. + if (WantDiags == WantDiagnostics::No) + return; + // Get the AST for diagnostics. llvm::Optional<std::unique_ptr<ParsedAST>> AST = IdleASTs.take(this); if (!AST) { llvm::Optional<ParsedAST> NewAST = buildAST(FileName, std::move(Invocation), Inputs, NewPreamble, PCHs); AST = NewAST ? llvm::make_unique<ParsedAST>(std::move(*NewAST)) : nullptr; } - // We want to report the diagnostics even if this update was cancelled. // It seems more useful than making the clients wait indefinitely if they // spam us with updates. // Note *AST can be still be null if buildAST fails. - if (WantDiags != WantDiagnostics::No && *AST) { + if (*AST) { OnUpdated((*AST)->getDiagnostics()); DiagsWereReported = true; }
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