Alan Donovan 2da0720e4f cmd/guru: support streaming plain and -json output ... Visible changes: - "referrers" queries now emit a stream of results, so they start appearing quickly even in large queries. We no longer report the total number of matches. - packageReferrers now also uses AfterTypeCheck hook and streaming. - XML support has been dropped. - The -format flag has been replaced by -json. JSON protocol changes: - The enclosing Result struct has been removed. - Likewise the 'mode' field (since the caller knows it already) - "freevars" and "referrers" now emit a stream of objects In the case of referrers, the first object has a different from the rest. - The "referrers" results include the text of the matching line (parity with -json=false) Implementation details: - the concurrency-safe q.Output function can be called many times, each with a queryResult to print. - fset is no longer saved in Query (cleaner) - queryResult methods renamed PrintPlain, JSON Change-Id: I41a4e3f57f266fcf043ece4045bca82c6f6a356f Reviewed-on: https://go-review.googlesource.com/21397 Reviewed-by: Michael Matloob <matloob@golang.org>		2016-04-11 19:51:55 +00:00
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serial.go	cmd/guru: support streaming plain and -json output	2016-04-11 19:51:55 +00:00