sammccall created this revision.
sammccall added a reviewer: hokein.
Herald added subscribers: cfe-commits, kadircet, arphaman, jkorous, MaskRay,
ilya-biryukov.
Herald added a project: clang.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D65201
Files:
clang-tools-extra/clangd/tool/ClangdMain.cpp
Index: clang-tools-extra/clangd/tool/ClangdMain.cpp
===================================================================
--- clang-tools-extra/clangd/tool/ClangdMain.cpp
+++ clang-tools-extra/clangd/tool/ClangdMain.cpp
@@ -423,6 +423,11 @@
if (Tracer)
TracingSession.emplace(*Tracer);
+ // If a user ran `clangd` in a terminal without redirecting anything,
+ // it's somewhat likely they're confused about how to use clangd.
+ // Show them the help overview, which explains.
+ if (llvm::outs().is_displayed() && llvm::errs().is_displayed())
+ llvm::errs() << Overview << "\n";
// Use buffered stream to stderr (we still flush each log message).
Unbuffered
// stream can cause significant (non-deterministic) latency for the logger.
llvm::errs().SetBuffered();
Index: clang-tools-extra/clangd/tool/ClangdMain.cpp
===================================================================
--- clang-tools-extra/clangd/tool/ClangdMain.cpp
+++ clang-tools-extra/clangd/tool/ClangdMain.cpp
@@ -423,6 +423,11 @@
if (Tracer)
TracingSession.emplace(*Tracer);
+ // If a user ran `clangd` in a terminal without redirecting anything,
+ // it's somewhat likely they're confused about how to use clangd.
+ // Show them the help overview, which explains.
+ if (llvm::outs().is_displayed() && llvm::errs().is_displayed())
+ llvm::errs() << Overview << "\n";
// Use buffered stream to stderr (we still flush each log message). Unbuffered
// stream can cause significant (non-deterministic) latency for the logger.
llvm::errs().SetBuffered();
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