diff options
Diffstat (limited to 'clangd/ClangdUnit.cpp')
-rw-r--r-- | clangd/ClangdUnit.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/clangd/ClangdUnit.cpp b/clangd/ClangdUnit.cpp index 5fa8cd33..82ca109d 100644 --- a/clangd/ClangdUnit.cpp +++ b/clangd/ClangdUnit.cpp @@ -529,12 +529,22 @@ CppFile::deferRebuild(StringRef NewContents, IntrusiveRefCntPtr<DiagnosticsEngine> PreambleDiagsEngine = CompilerInstance::createDiagnostics( &CI->getDiagnosticOpts(), &PreambleDiagnosticsConsumer, false); + + // Skip function bodies when building the preamble to speed up building + // the preamble and make it smaller. + assert(!CI->getFrontendOpts().SkipFunctionBodies); + CI->getFrontendOpts().SkipFunctionBodies = true; + CppFilePreambleCallbacks SerializedDeclsCollector; auto BuiltPreamble = PrecompiledPreamble::Build( *CI, ContentsBuffer.get(), Bounds, *PreambleDiagsEngine, VFS, PCHs, /*StoreInMemory=*/That->StorePreamblesInMemory, SerializedDeclsCollector); + // When building the AST for the main file, we do want the function + // bodies. + CI->getFrontendOpts().SkipFunctionBodies = false; + if (BuiltPreamble) { log(Ctx, "Built preamble of size " + Twine(BuiltPreamble->getSize()) + " for file " + Twine(That->FileName)); |