2010-01-06 05:38:06 +00:00
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;;;
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;;; ghc.el
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;;;
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
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;; Created: Sep 25, 2009
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(require 'ghc-func)
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(require 'ghc-comp)
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;;; Code:
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2010-03-10 07:51:42 +00:00
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(defun ghc-browse-document (&optional haskell-org)
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(interactive "P")
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2010-01-06 05:38:06 +00:00
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(let* ((mod0 (ghc-extract-module))
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(mod (ghc-read-module-name mod0))
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(pkg (ghc-resolve-package-name mod)))
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2010-03-10 07:51:42 +00:00
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(ghc-display-document pkg mod haskell-org)))
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2010-01-06 05:38:06 +00:00
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(defun ghc-resolve-package-name (mod)
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(with-temp-buffer
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(call-process "ghc-pkg" nil t nil "find-module" "--simple-output" mod)
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(goto-char (point-min))
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(when (looking-at "^\\([^-]+\\)-")
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(match-string-no-properties 1))))
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(defun ghc-resolve-document-path (pkg)
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(with-temp-buffer
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(call-process "ghc-pkg" nil t nil "field" pkg "haddock-html")
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2010-03-11 05:15:28 +00:00
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(goto-char (point-max))
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(forward-line -1)
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(beginning-of-line)
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2010-01-06 05:38:06 +00:00
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(when (looking-at "^haddock-html: \\([^ \n]+\\)$")
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(match-string-no-properties 1))))
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2010-03-10 07:51:42 +00:00
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(defvar ghc-doc-local-format "file://%s/%s.html")
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(defvar ghc-doc-hackage-format
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"http://hackage.haskell.org/packages/archive/%s/latest/doc/html/%s.html")
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(defun ghc-display-document (pkg mod haskell-org)
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2010-01-06 05:38:06 +00:00
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(when (and pkg mod)
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(let* ((mod- (ghc-replace-character mod ?. ?-))
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2010-03-10 07:51:42 +00:00
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(url (if haskell-org
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(format ghc-doc-hackage-format pkg mod-)
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(format ghc-doc-local-format
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(ghc-resolve-document-path pkg) mod-))))
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2010-01-06 05:38:06 +00:00
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(browse-url url))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defvar ghc-input-map nil)
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(unless ghc-input-map
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(setq ghc-input-map
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(if (boundp 'minibuffer-local-map)
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(copy-keymap minibuffer-local-map)
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(make-sparse-keymap)))
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(define-key ghc-input-map "\t" 'ghc-complete))
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(provide 'ghc-doc)
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