So this actually exists, as it turns out. You can run clangd-indexer to produce a static index and then load it with clangd -index-file. The caveat is that > [

So this actually exists, as it turns out. You can run clangd-indexer to produce a static index and then load it with clangd -index-file. The caveat is that > [r]unning clangd-indexer is expensive and produced index is not incremental.