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Implemented improved Python indent function. #1736

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Implemented improved Python indent function. #1736

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23 changes: 19 additions & 4 deletions extensions/python-mode/python-mode.lisp
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Original file line number Diff line number Diff line change
Expand Up @@ -81,10 +81,25 @@

#| link : https://www.python.org/dev/peps/pep-0008/ |#
(defun python-calc-indent (point)
(with-point ((point point))
(let ((tab-width (variable-value 'tab-width :default point))
(column (point-column point)))
(+ column (- tab-width (rem column tab-width))))))
(with-point ((point point) (last-line-point point))
(let* ((tab-width (variable-value 'tab-width :default point))
(last-line-indent-column
(progn
(line-offset last-line-point -1)
(back-to-indentation last-line-point)
(point-column last-line-point)))
(column (point-column (back-to-indentation point)))
(next-indent-column (+ last-line-indent-column tab-width))
(previous-indent-column
(max (- last-line-indent-column tab-width) 0)))
(cond
((and (>= column last-line-indent-column)
(< column next-indent-column))
next-indent-column)
((>= column next-indent-column)
previous-indent-column)
(t
last-line-indent-column)))))

(defun beginning-of-defun (point n)
(loop :repeat n :do (search-backward-regexp point "^\\w")))
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