458 lines
15 KiB
EmacsLisp
458 lines
15 KiB
EmacsLisp
;; geiser-mode.el -- minor mode for scheme buffers
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;; Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Jose Antonio Ortega Ruiz
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the Modified BSD License. You should
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;; have received a copy of the license along with this program. If
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;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
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;; Start date: Sun Feb 08, 2009 15:13
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(require 'geiser-repl)
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(require 'geiser-menu)
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(require 'geiser-doc)
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(require 'geiser-compile)
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(require 'geiser-completion)
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(require 'geiser-company)
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(require 'geiser-xref)
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(require 'geiser-edit)
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(require 'geiser-autodoc)
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(require 'geiser-debug)
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(require 'geiser-syntax)
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(require 'geiser-impl)
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(require 'geiser-eval)
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(require 'geiser-popup)
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(require 'geiser-custom)
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(require 'geiser-base)
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;;; Customization:
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(defgroup geiser-mode nil
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"Mode enabling Geiser abilities in Scheme buffers &co.."
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:group 'geiser)
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(geiser-custom--defcustom geiser-mode-auto-p t
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"Whether `geiser-mode' should be active by default in all scheme buffers."
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:group 'geiser-mode
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:type 'boolean)
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(geiser-custom--defcustom geiser-mode-start-repl-p nil
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"Whether a REPL should be automatically started if one is not
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active when `geiser-mode' is activated in a buffer."
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:group 'geiser-mode
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:type 'boolean)
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(geiser-custom--defcustom geiser-mode-autodoc-p t
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"Whether `geiser-autodoc-mode' gets enabled by default in Scheme buffers."
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:group 'geiser-mode
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:group 'geiser-autodoc
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:type 'boolean)
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(geiser-custom--defcustom geiser-mode-company-p t
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"Whether to use company-mode for completion, if available."
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:group 'geiser-mode
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:type 'boolean)
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(geiser-custom--defcustom geiser-mode-smart-tab-p nil
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"Whether `geiser-smart-tab-mode' gets enabled by default in Scheme buffers."
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:group 'geiser-mode
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:type 'boolean)
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(geiser-custom--defcustom geiser-mode-eval-last-sexp-to-buffer nil
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"Whether `eval-last-sexp' prints results to buffer"
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:group 'geiser-mode
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:type 'boolean)
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(geiser-custom--defcustom geiser-mode-eval-to-buffer-prefix " "
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"When `geiser-mode-eval-last-sexp-to-buffer', the prefix string
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which will be prepended to results."
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:group 'geiser-mode
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:type 'string)
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(geiser-custom--defcustom geiser-mode-eval-to-buffer-transformer nil
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"Transformer for results inserted in debug buffer.
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When `geiser-mode-eval-last-sexp-to-buffer', the result will be
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transformed using this function default behavior is just prepend
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with `geiser-mode-eval-to-buffer-prefix' takes two arguments:
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`msg' and `is-error?' `msg' is the result string going to be
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transformed, `is-error?' is a boolean indicating whether the
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result is an error msg."
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:group 'geiser-mode
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:type 'function)
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;;; Evaluation commands:
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(defun geiser--go-to-repl ()
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(switch-to-geiser nil nil (current-buffer))
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(push-mark)
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(goto-char (point-max)))
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(defun geiser-eval-region (start end &optional and-go raw nomsg)
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"Eval the current region in the Geiser REPL.
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With prefix, goes to the REPL buffer afterwards (as
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`geiser-eval-region-and-go')"
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(interactive "rP")
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(save-restriction
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(narrow-to-region start end)
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(check-parens))
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(geiser-debug--send-region nil
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start
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end
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(and and-go 'geiser--go-to-repl)
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(not raw)
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nomsg))
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(defun geiser-eval-region-and-go (start end)
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"Eval the current region in the Geiser REPL and visit it afterwads."
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(interactive "r")
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(geiser-eval-region start end t))
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(geiser-impl--define-caller geiser-eval--bounds eval-bounds ()
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"A pair with the bounds of a buffer to be evaluated, defaulting
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to (cons (point-min) . (point-max)).")
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(defun geiser-eval-buffer (&optional and-go raw nomsg)
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"Eval the current buffer in the Geiser REPL.
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With prefix, goes to the REPL buffer afterwards (as
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`geiser-eval-buffer-and-go')"
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(interactive "P")
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(let* ((bounds (geiser-eval--bounds geiser-impl--implementation))
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(from (or (car bounds) (point-min)))
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(to (or (cdr bounds) (point-max))))
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(geiser-eval-region from to and-go raw nomsg)))
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(defun geiser-eval-buffer-and-go ()
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"Eval the current buffer in the Geiser REPL and visit it afterwads."
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(interactive)
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(geiser-eval-buffer t))
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(defun geiser-eval-definition (&optional and-go)
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"Eval the current definition in the Geiser REPL.
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With prefix, goes to the REPL buffer afterwards (as
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`geiser-eval-definition-and-go')"
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(interactive "P")
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(save-excursion
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(end-of-defun)
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(let ((end (point)))
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(beginning-of-defun)
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(geiser-eval-region (point) end and-go t))))
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(defun geiser-eval-definition-and-go ()
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"Eval the current definition in the Geiser REPL and visit it afterwads."
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(interactive)
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(geiser-eval-definition t))
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(defun geiser-eval-last-sexp (print-to-buffer-p)
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"Eval the previous sexp in the Geiser REPL.
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With a prefix, revert the effect of `geiser-mode-eval-last-sexp-to-buffer' "
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(interactive "P")
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(let* (bosexp
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(eosexp (save-excursion (backward-sexp)
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(setq bosexp (point))
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(forward-sexp)
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(point)))
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(ret-transformer (or geiser-mode-eval-to-buffer-transformer
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(lambda (msg is-error?)
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(format "%s%s%s"
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geiser-mode-eval-to-buffer-prefix
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(if is-error? "ERROR" "")
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msg))))
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(ret (save-excursion
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(geiser-eval-region bosexp ;beginning of sexp
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eosexp ;end of sexp
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nil
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t
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print-to-buffer-p)))
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(err (geiser-eval--retort-error ret))
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(will-eval-to-buffer (if print-to-buffer-p
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(not geiser-mode-eval-last-sexp-to-buffer)
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geiser-mode-eval-last-sexp-to-buffer))
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(str (geiser-eval--retort-result-str ret
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(when will-eval-to-buffer ""))))
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(cond ((not will-eval-to-buffer) str)
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(err (insert (funcall ret-transformer
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(geiser-eval--error-str err) t)))
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((string= "" str))
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(t (push-mark)
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(insert (funcall ret-transformer str nil))))))
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(defun geiser-compile-definition (&optional and-go)
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"Compile the current definition in the Geiser REPL.
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With prefix, goes to the REPL buffer afterwards (as
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`geiser-eval-definition-and-go')"
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(interactive "P")
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(save-excursion
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(end-of-defun)
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(let ((end (point)))
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(beginning-of-defun)
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(geiser-debug--send-region t
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(point)
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end
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(and and-go 'geiser--go-to-repl)
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t))))
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(defun geiser-compile-definition-and-go ()
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"Compile the current definition in the Geiser REPL and visit it afterwads."
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(interactive)
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(geiser-compile-definition t))
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(defun geiser-expand-region (start end &optional all raw)
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"Macro-expand the current region and display it in a buffer.
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With prefix, recursively macro-expand the resulting expression."
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(interactive "rP")
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(geiser-debug--expand-region start end all (not raw)))
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(defun geiser-expand-definition (&optional all)
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"Macro-expand the current definition.
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With prefix, recursively macro-expand the resulting expression."
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(interactive "P")
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(save-excursion
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(end-of-defun)
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(let ((end (point)))
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(beginning-of-defun)
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(geiser-expand-region (point) end all t))))
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(defun geiser-expand-last-sexp (&optional all)
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"Macro-expand the previous sexp.
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With prefix, recursively macro-expand the resulting expression."
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(interactive "P")
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(geiser-expand-region (save-excursion (backward-sexp) (point))
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(point)
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all
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t))
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(defun geiser-set-scheme ()
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"Associates current buffer with a given Scheme implementation."
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(interactive)
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(save-excursion
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(geiser-syntax--remove-kws)
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(let ((impl (geiser-impl--read-impl)))
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(geiser-impl--set-buffer-implementation impl)
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(geiser-repl--set-up-repl impl)
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(geiser-syntax--add-kws)
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(geiser-syntax--fontify))))
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(defun geiser-mode-switch-to-repl (arg)
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"Switches to Geiser REPL.
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With prefix, try to enter the current buffer's module."
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(interactive "P")
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(if arg
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(switch-to-geiser-module (geiser-eval--get-module) (current-buffer))
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(switch-to-geiser nil nil (current-buffer))))
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(defun geiser-mode-switch-to-repl-and-enter ()
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"Switches to Geiser REPL and enters current buffer's module."
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(interactive)
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(geiser-mode-switch-to-repl t))
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(defun geiser-restart-repl ()
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"Restarts the REPL associated with the current buffer."
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(interactive)
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(let ((b (current-buffer)))
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(geiser-mode-switch-to-repl nil)
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(comint-kill-subjob)
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(sit-for 0.1) ;; ugly hack; but i don't care enough to fix it
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(call-interactively 'run-geiser)
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(sit-for 0.2) ;; ditto
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(goto-char (point-max))
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(pop-to-buffer b)))
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(defun geiser-squarify (n)
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"Toggle between () and [] for current form.
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With numeric prefix, perform that many toggles, forward for
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positive values and backward for negative."
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(interactive "p")
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(let ((pared (and (boundp 'paredit-mode) paredit-mode))
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(fwd (> n 0))
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(steps (abs n)))
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(when (and pared (fboundp 'paredit-mode)) (paredit-mode -1))
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(unwind-protect
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(save-excursion
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(unless (looking-at-p "\\s(") (backward-up-list))
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(while (> steps 0)
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(let ((p (point))
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(round (looking-at-p "(")))
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(forward-sexp)
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(backward-delete-char 1)
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(insert (if round "]" ")"))
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(goto-char p)
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(delete-char 1)
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(insert (if round "[" "("))
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(setq steps (1- steps))
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(backward-char)
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(condition-case nil
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(progn (when fwd (forward-sexp 2))
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(backward-sexp))
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(error (setq steps 0))))))
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(when (and pared (fboundp 'paredit-mode)) (paredit-mode 1)))))
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(defun geiser-insert-lambda (&optional full)
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"Insert λ at point. With prefix, inserts (λ ())."
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(interactive "P")
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(if (not full)
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(insert (make-char 'greek-iso8859-7 107))
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(insert "(" (make-char 'greek-iso8859-7 107) " ())")
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(backward-char 2)))
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;;; Geiser mode:
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(make-variable-buffer-local
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(defvar geiser-mode-string nil
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"Modeline indicator for geiser-mode"))
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(defun geiser-mode--lighter ()
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(or geiser-mode-string
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(format " %s" (or (geiser-impl--impl-str) "G"))))
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(defvar geiser-mode-map (make-sparse-keymap))
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(define-minor-mode geiser-mode
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"Toggle Geiser's mode.
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With no argument, this command toggles the mode.
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Non-null prefix argument turns on the mode.
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Null prefix argument turns off the mode.
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When Geiser mode is enabled, a host of nice utilities for
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interacting with the Geiser REPL is at your disposal.
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\\{geiser-mode-map}"
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:init-value nil
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:lighter (:eval (geiser-mode--lighter))
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:group 'geiser-mode
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:keymap geiser-mode-map
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(when geiser-mode (geiser-impl--set-buffer-implementation nil t))
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(setq geiser-autodoc-mode-string "/A")
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(setq geiser-smart-tab-mode-string "/T")
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(geiser-company--setup (and geiser-mode geiser-mode-company-p))
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(geiser-completion--setup geiser-mode)
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(when geiser-mode-autodoc-p
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(geiser-autodoc-mode (if geiser-mode 1 -1)))
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(when geiser-mode-smart-tab-p
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(geiser-smart-tab-mode (if geiser-mode 1 -1)))
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(geiser-syntax--add-kws)
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(when (and geiser-mode
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geiser-mode-start-repl-p
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(not (geiser-syntax--font-lock-buffer-p))
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(not (geiser-repl--connection*)))
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(save-window-excursion (run-geiser geiser-impl--implementation))))
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(defun turn-on-geiser-mode ()
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"Enable `geiser-mode' (in a Scheme buffer)."
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(interactive)
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(geiser-mode 1))
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(defun turn-off-geiser-mode ()
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"Disable `geiser-mode' (in a Scheme buffer)."
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(interactive)
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(geiser-mode -1))
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(defun geiser-mode--maybe-activate ()
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(when (and geiser-mode-auto-p (eq major-mode 'scheme-mode))
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(turn-on-geiser-mode)))
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;;; Keys:
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(geiser-menu--defmenu geiserm geiser-mode-map
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("Eval sexp before point" "\C-x\C-e" geiser-eval-last-sexp)
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("Eval definition" ("\M-\C-x" "\C-c\C-c") geiser-eval-definition)
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("Eval definition and go" ("\C-c\M-e" "\C-c\M-e")
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geiser-eval-definition-and-go)
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("Eval region" "\C-c\C-r" geiser-eval-region :enable mark-active)
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("Eval region and go" "\C-c\M-r" geiser-eval-region-and-go
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geiser-eval-region :enable mark-active)
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("Eval buffer" "\C-c\C-b" geiser-eval-buffer)
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("Eval buffer and go" "\C-c\M-b" geiser-eval-buffer-and-go)
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("Load scheme file..." "\C-c\C-l" geiser-load-file)
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(menu "Macroexpand"
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("Sexp before point" ("\C-c\C-m\C-e" "\C-c\C-me")
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geiser-expand-last-sexp)
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("Region" ("\C-c\C-m\C-r" "\C-c\C-mr") geiser-expand-region)
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("Definition" ("\C-c\C-m\C-x" "\C-c\C-mx") geiser-expand-definition))
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--
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("Symbol documentation" ("\C-c\C-d\C-d" "\C-c\C-dd")
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geiser-doc-symbol-at-point :enable (geiser--symbol-at-point))
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("Short symbol documentation" ("\C-c\C-d\C-s" "\C-c\C-ds")
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geiser-autodoc-show :enable (geiser--symbol-at-point))
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("Module documentation" ("\C-c\C-d\C-m" "\C-c\C-dm") geiser-doc-module)
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("Symbol manual lookup" ("\C-c\C-d\C-i" "\C-c\C-di")
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geiser-doc-look-up-manual :enable (geiser-doc--manual-available-p))
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(mode "Autodoc mode" ("\C-c\C-d\C-a" "\C-c\C-da") geiser-autodoc-mode)
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--
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("Compile buffer" "\C-c\C-k" geiser-compile-current-buffer)
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("Switch to REPL" "\C-c\C-z" geiser-mode-switch-to-repl)
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("Switch to REPL and enter module" "\C-c\C-a"
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geiser-mode-switch-to-repl-and-enter)
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("Set Scheme..." "\C-c\C-s" geiser-set-scheme)
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--
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("Edit symbol at point" "\M-." geiser-edit-symbol-at-point
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:enable (geiser--symbol-at-point))
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("Go to previous definition" "\M-," geiser-pop-symbol-stack)
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("Complete symbol" ((kbd "M-TAB")) completion-at-point
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:enable (geiser--symbol-at-point))
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("Complete module name" ((kbd "M-`") (kbd "C-."))
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geiser-completion--complete-module)
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("Edit module" ("\C-c\C-e\C-m" "\C-c\C-em") geiser-edit-module)
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("Add to load path..." ("\C-c\C-e\C-l" "\C-c\C-el") geiser-add-to-load-path)
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("Toggle ()/[]" ("\C-c\C-e\C-[" "\C-c\C-e[") geiser-squarify)
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("Insert λ" ("\C-c\\" "\C-c\C-\\") geiser-insert-lambda)
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--
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("Callers" ((kbd "C-c <")) geiser-xref-callers
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:enable (and (geiser-eval--supported-p 'callers)
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(geiser--symbol-at-point)))
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("Callees" ((kbd "C-c >")) geiser-xref-callees
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:enable (and (geiser-eval--supported-p 'callees)
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(geiser--symbol-at-point)))
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--
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(mode "Smart TAB mode" nil geiser-smart-tab-mode)
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--
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(custom "Customize Geiser mode" geiser-mode))
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(define-key geiser-mode-map [menu-bar scheme] 'undefined)
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;; (geiser-mode--triple-chord ?x ?m 'geiser-xref-generic-methods)
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;;; Reload support:
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(defun geiser-mode--buffers ()
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(let ((buffers))
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(dolist (buffer (buffer-list))
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(when (buffer-live-p buffer)
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(set-buffer buffer)
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(when geiser-mode
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(push (cons buffer geiser-impl--implementation) buffers))))
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buffers))
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(defun geiser-mode--restore (buffers)
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(dolist (b buffers)
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(when (buffer-live-p (car b))
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(set-buffer (car b))
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(when (cdr b)
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(geiser-impl--set-buffer-implementation (cdr b)))
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(geiser-mode 1))))
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(defun geiser-mode-unload-function ()
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(dolist (b (geiser-mode--buffers))
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(with-current-buffer (car b) (geiser-mode nil))))
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(provide 'geiser-mode)
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