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48 lines
1.8 KiB
48 lines
1.8 KiB
(require 'slime)
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(require 'url-http)
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(require 'browse-url)
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(eval-when-compile (require 'cl)) ; lexical-let
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(defvar slime-old-documentation-lookup-function
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slime-documentation-lookup-function)
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(define-slime-contrib slime-hyperdoc
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"Extensible C-c C-d h."
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(:authors "Tobias C Rittweiler <tcr@freebits.de>")
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(:license "GPL")
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(:swank-dependencies swank-hyperdoc)
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(:on-load
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(setq slime-documentation-lookup-function 'slime-hyperdoc-lookup))
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(:on-unload
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(setq slime-documentation-lookup-function
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slime-old-documentation-lookup-function)))
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;;; TODO: `url-http-file-exists-p' is slow, make it optional behaviour.
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(defun slime-hyperdoc-lookup-rpc (symbol-name)
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(slime-eval-async `(swank:hyperdoc ,symbol-name)
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(lexical-let ((symbol-name symbol-name))
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#'(lambda (result)
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(slime-log-event result)
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(cl-loop with foundp = nil
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for (doc-type . url) in result do
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(when (and url (stringp url)
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(let ((url-show-status nil))
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(url-http-file-exists-p url)))
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(message "Visiting documentation for %s `%s'..."
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(substring (symbol-name doc-type) 1)
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symbol-name)
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(browse-url url)
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(setq foundp t))
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finally
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(unless foundp
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(error "Could not find documentation for `%s'."
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symbol-name)))))))
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(defun slime-hyperdoc-lookup (symbol-name)
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(interactive (list (slime-read-symbol-name "Symbol: ")))
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(if (memq :hyperdoc (slime-lisp-features))
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(slime-hyperdoc-lookup-rpc symbol-name)
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(slime-hyperspec-lookup symbol-name)))
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(provide 'slime-hyperdoc)
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