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Experiments to fix the goals not showing on errors. #429

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Experiments to fix the goals not showing on errors. #429

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27 changes: 27 additions & 0 deletions generic/proof-shell.el
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Original file line number Diff line number Diff line change
Expand Up @@ -1610,6 +1610,33 @@ by the filter is to send the next command from the queue."
;; sets proof-shell-last-output-kind
(proof-shell-handle-immediate-output cmd start end flags)

;; EXPERIMENTS:
;; There was an error, and probably no goal printed before (becaus
;; eof set silent. So we insert a new Show command, and process it
;; immediately by waiting a few milisec and calling
;; proof-shell-handle-delayed-output.
;;
(when (eq proof-shell-last-output-kind 'error)
(proof-add-to-queue
(list ;(proof-shell-stop-silent-item)
(proof-shell-action-list-item "Show." 'proof-shell-clear-silent)))
(setq proof-shell-delayed-output-start (point-max))
(setq proof-shell-delayed-output-flags flags)
(when t; (proof-shell-exec-loop)
(sleep-for 0 100)
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without this it won't work. This suggests it should be put in some callback instead...

(goto-char proof-shell-delayed-output-start)
(when (re-search-forward proof-shell-annotated-prompt-regexp nil t)
(setq proof-shell-delayed-output-end (match-beginning 0))
(setq proof-shell-last-prompt
(buffer-substring-no-properties (match-beginning 0) (match-end 0)))
)
(setq proof-shell-last-output-kind
;; only display result for last output
(proof-shell-handle-delayed-output))
;(pg-goals-display proof-shell-last-goals-output t)
)
)

(unless proof-shell-last-output-kind ; dealt with already
(setq proof-shell-delayed-output-start start)
(setq proof-shell-delayed-output-end end)
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