Added emacs scripts

This commit is contained in:
hellerve
2015-05-27 18:47:14 +02:00
parent 547ae588af
commit c9f9c1d44f
137 changed files with 25707 additions and 2 deletions

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@@ -0,0 +1,398 @@
;;; haskell-load.el --- Compiling and loading modules in the GHCi process
;; Copyright (c) 2014 Chris Done. All rights reserved.
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'cl-lib)
(require 'haskell-process)
(require 'haskell-interactive-mode)
(require 'haskell-modules)
(require 'haskell-commands)
(require 'haskell-session)
(defun haskell-process-look-config-changes (session)
"Checks whether a cabal configuration file has
changed. Restarts the process if that is the case."
(let ((current-checksum (haskell-session-get session 'cabal-checksum))
(new-checksum (haskell-cabal-compute-checksum
(haskell-session-get session 'cabal-dir))))
(when (not (string= current-checksum new-checksum))
(haskell-interactive-mode-echo session (format "Cabal file changed: %s" new-checksum))
(haskell-session-set-cabal-checksum session
(haskell-session-get session 'cabal-dir))
(unless (and haskell-process-prompt-restart-on-cabal-change
(not (y-or-n-p "Cabal file changed; restart GHCi process? ")))
(haskell-process-start (haskell-interactive-session))))))
(defun haskell-process-live-build (process buffer echo-in-repl)
"Show live updates for loading files."
(cond ((haskell-process-consume
process
(concat "\\[[ ]*\\([0-9]+\\) of \\([0-9]+\\)\\]"
" Compiling \\([^ ]+\\)[ ]+"
"( \\([^ ]+\\), \\([^ ]+\\) )[^\r\n]*[\r\n]+"))
(haskell-process-echo-load-message process buffer echo-in-repl nil)
t)
((haskell-process-consume
process
(concat "\\[[ ]*\\([0-9]+\\) of \\([0-9]+\\)\\]"
" Compiling \\[TH\\] \\([^ ]+\\)[ ]+"
"( \\([^ ]+\\), \\([^ ]+\\) )[^\r\n]*[\r\n]+"))
(haskell-process-echo-load-message process buffer echo-in-repl t)
t)
((haskell-process-consume process "Loading package \\([^ ]+\\) ... linking ... done.\n")
(haskell-mode-message-line
(format "Loading: %s"
(match-string 1 buffer)))
t)
((haskell-process-consume
process
"^Preprocessing executables for \\(.+?\\)\\.\\.\\.")
(let ((msg (format "Preprocessing: %s" (match-string 1 buffer))))
(haskell-interactive-mode-echo
(haskell-process-session process)
msg)
(haskell-mode-message-line msg)))
((haskell-process-consume process "Linking \\(.+?\\) \\.\\.\\.")
(let ((msg (format "Linking: %s" (match-string 1 buffer))))
(haskell-interactive-mode-echo (haskell-process-session process) msg)
(haskell-mode-message-line msg)))
((haskell-process-consume process "\nBuilding \\(.+?\\)\\.\\.\\.")
(let ((msg (format "Building: %s" (match-string 1 buffer))))
(haskell-interactive-mode-echo
(haskell-process-session process)
msg)
(haskell-mode-message-line msg)))))
(defun haskell-process-load-complete (session process buffer reload module-buffer &optional cont)
"Handle the complete loading response. BUFFER is the string of
text being sent over the process pipe. MODULE-BUFFER is the
actual Emacs buffer of the module being loaded."
(when (get-buffer (format "*%s:splices*" (haskell-session-name session)))
(with-current-buffer (haskell-interactive-mode-splices-buffer session)
(erase-buffer)))
(cond ((haskell-process-consume process "Ok, modules loaded: \\(.+\\)\\.$")
(let* ((modules (haskell-process-extract-modules buffer))
(cursor (haskell-process-response-cursor process)))
(haskell-process-set-response-cursor process 0)
(let ((warning-count 0))
(while (haskell-process-errors-warnings session process buffer)
(setq warning-count (1+ warning-count)))
(haskell-process-set-response-cursor process cursor)
(if (and (not reload)
haskell-process-reload-with-fbytecode)
(haskell-process-reload-with-fbytecode process module-buffer)
(haskell-process-import-modules process (car modules)))
(haskell-mode-message-line
(if reload "Reloaded OK." "OK."))
(when cont
(condition-case e
(funcall cont t)
(error (message "%S" e))
(quit nil))))))
((haskell-process-consume process "Failed, modules loaded: \\(.+\\)\\.$")
(let* ((modules (haskell-process-extract-modules buffer))
(cursor (haskell-process-response-cursor process)))
(haskell-process-set-response-cursor process 0)
(while (haskell-process-errors-warnings session process buffer))
(haskell-process-set-response-cursor process cursor)
(if (and (not reload) haskell-process-reload-with-fbytecode)
(haskell-process-reload-with-fbytecode process module-buffer)
(haskell-process-import-modules process (car modules)))
(haskell-interactive-mode-compile-error session "Compilation failed.")
(when cont
(condition-case e
(funcall cont nil)
(error (message "%S" e))
(quit nil)))))))
(defun haskell-process-suggest-imports (session file modules ident)
"Given a list of MODULES, suggest adding them to the import section."
(cl-assert session)
(cl-assert file)
(cl-assert ident)
(let* ((process (haskell-session-process session))
(suggested-already (haskell-process-suggested-imports process))
(module (cond ((> (length modules) 1)
(when (y-or-n-p (format "Identifier `%s' not in scope, choose module to import?"
ident))
(haskell-complete-module-read "Module: " modules)))
((= (length modules) 1)
(let ((module (car modules)))
(unless (member module suggested-already)
(haskell-process-set-suggested-imports process (cons module suggested-already))
(when (y-or-n-p (format "Identifier `%s' not in scope, import `%s'?"
ident
module))
module)))))))
(when module
(haskell-process-find-file session file)
(haskell-add-import module))))
(defun haskell-process-trigger-suggestions (session msg file line)
"Trigger prompting to add any extension suggestions."
(cond ((let ((case-fold-search nil))
(or (and (string-match " -X\\([A-Z][A-Za-z]+\\)" msg)
(not (string-match "\\([A-Z][A-Za-z]+\\) is deprecated" msg)))
(string-match "Use \\([A-Z][A-Za-z]+\\) to permit this" msg)
(string-match "Use \\([A-Z][A-Za-z]+\\) to allow" msg)
(string-match "use \\([A-Z][A-Za-z]+\\)" msg)
(string-match "You need \\([A-Z][A-Za-z]+\\)" msg)))
(when haskell-process-suggest-language-pragmas
(haskell-process-suggest-pragma session "LANGUAGE" (match-string 1 msg) file)))
((string-match " The \\(qualified \\)?import of[ ][`]\\([^ ]+\\)['] is redundant" msg)
(when haskell-process-suggest-remove-import-lines
(haskell-process-suggest-remove-import session
file
(match-string 2 msg)
line)))
((string-match "Warning: orphan instance: " msg)
(when haskell-process-suggest-no-warn-orphans
(haskell-process-suggest-pragma session "OPTIONS" "-fno-warn-orphans" file)))
((or (string-match "against inferred type [`]\\[Char\\][']" msg)
(string-match "with actual type [`]\\[Char\\][']" msg))
(when haskell-process-suggest-overloaded-strings
(haskell-process-suggest-pragma session "LANGUAGE" "OverloadedStrings" file)))
((string-match "^Not in scope: .*[`]\\(.+\\)[']$" msg)
(let* ((match1 (match-string 1 msg))
(ident (if (string-match "^[A-Za-z0-9_'.]+\\.\\(.+\\)$" match1)
;; Skip qualification.
(match-string 1 match1)
match1)))
(when haskell-process-suggest-hoogle-imports
(let ((modules (haskell-process-hoogle-ident ident)))
(haskell-process-suggest-imports session file modules ident)))
(when haskell-process-suggest-haskell-docs-imports
(let ((modules (haskell-process-haskell-docs-ident ident)))
(haskell-process-suggest-imports session file modules ident)))
(when haskell-process-suggest-hayoo-imports
(let ((modules (haskell-process-hayoo-ident ident)))
(haskell-process-suggest-imports session file modules ident)))))
((string-match "^[ ]+It is a member of the hidden package [`]\\(.+\\)['].$" msg)
(when haskell-process-suggest-add-package
(haskell-process-suggest-add-package session msg)))))
(defun haskell-process-do-cabal (command)
"Run a Cabal command."
(let ((process (haskell-interactive-process)))
(haskell-process-queue-command
process
(make-haskell-command
:state (list (haskell-interactive-session) process command 0)
:go
(lambda (state)
(haskell-process-send-string
(cadr state)
(format haskell-process-do-cabal-format-string
(haskell-session-cabal-dir (car state))
(format "%s %s"
(cl-ecase (haskell-process-type)
('ghci haskell-process-path-cabal)
('cabal-repl haskell-process-path-cabal)
('cabal-ghci haskell-process-path-cabal)
('cabal-dev haskell-process-path-cabal-dev))
(cl-caddr state)))))
:live
(lambda (state buffer)
(let ((cmd (replace-regexp-in-string "^\\([a-z]+\\).*"
"\\1"
(cl-caddr state))))
(cond ((or (string= cmd "build")
(string= cmd "install"))
(haskell-process-live-build (cadr state) buffer t))
(t
(haskell-process-cabal-live state buffer)))))
:complete
(lambda (state response)
(let* ((process (cadr state))
(session (haskell-process-session process))
(message-count 0)
(cursor (haskell-process-response-cursor process)))
(haskell-process-set-response-cursor process 0)
(while (haskell-process-errors-warnings session process response)
(setq message-count (1+ message-count)))
(haskell-process-set-response-cursor process cursor)
(let ((msg (format "Complete: cabal %s (%s compiler messages)"
(cl-caddr state)
message-count)))
(haskell-interactive-mode-echo session msg)
(when (= message-count 0)
(haskell-interactive-mode-echo
session
"No compiler messages, dumping complete output:")
(haskell-interactive-mode-echo session response))
(haskell-mode-message-line msg)
(when (and haskell-notify-p
(fboundp 'notifications-notify))
(notifications-notify
:title (format "*%s*" (haskell-session-name (car state)))
:body msg
:app-name (cl-ecase (haskell-process-type)
('ghci haskell-process-path-cabal)
('cabal-repl haskell-process-path-cabal)
('cabal-ghci haskell-process-path-cabal)
('cabal-dev haskell-process-path-cabal-dev))
:app-icon haskell-process-logo)))))))))
(defun haskell-process-echo-load-message (process buffer echo-in-repl th)
"Echo a load message."
(let ((session (haskell-process-session process))
(module-name (match-string 3 buffer))
(file-name (match-string 4 buffer)))
(haskell-interactive-show-load-message
session
'compiling
module-name
(haskell-session-strip-dir session file-name)
echo-in-repl
th)))
(defun haskell-process-extract-modules (buffer)
"Extract the modules from the process buffer."
(let* ((modules-string (match-string 1 buffer))
(modules (split-string modules-string ", ")))
(cons modules modules-string)))
(defun haskell-process-errors-warnings (session process buffer &optional return-only)
"Trigger handling type errors or warnings. Either prints the
messages in the interactive buffer or if CONT is specified,
passes the error onto that."
(cond
((haskell-process-consume
process
"\\(Module imports form a cycle:[ \n]+module [^ ]+ ([^)]+)[[:unibyte:][:nonascii:]]+?\\)\nFailed")
(let ((err (match-string 1 buffer)))
(if (string-match "module [`']\\([^ ]+\\)['`] (\\([^)]+\\))" err)
(let* ((default-directory (haskell-session-current-dir session))
(module (match-string 1 err))
(file (match-string 2 err))
(relative-file-name (file-relative-name file)))
(unless return-only
(haskell-interactive-show-load-message
session
'import-cycle
module
relative-file-name
nil
nil)
(haskell-interactive-mode-compile-error
session
(format "%s:1:0: %s"
relative-file-name
err)))
(list :file file :line 1 :col 0 :msg err :type 'error))
t)))
((haskell-process-consume
process
(concat "[\r\n]\\([A-Z]?:?[^ \r\n:][^:\n\r]+\\):\\([0-9()-:]+\\):"
"[ \n\r]+\\([[:unibyte:][:nonascii:]]+?\\)\n[^ ]"))
(haskell-process-set-response-cursor process
(- (haskell-process-response-cursor process) 1))
(let* ((buffer (haskell-process-response process))
(file (match-string 1 buffer))
(location (match-string 2 buffer))
(error-msg (match-string 3 buffer))
(warning (string-match "^Warning:" error-msg))
(splice (string-match "^Splicing " error-msg))
(final-msg (format "%s:%s: %s"
(haskell-session-strip-dir session file)
location
error-msg)))
(if return-only
(let* ((location (haskell-process-parse-error (concat file ":" location ": x")))
(file (plist-get location :file))
(line (plist-get location :line))
(col1 (plist-get location :col)))
(list :file file :line line :col col1 :msg error-msg :type (if warning 'warning 'error)))
(progn (funcall (cond (warning
'haskell-interactive-mode-compile-warning)
(splice
'haskell-interactive-mode-compile-splice)
(t 'haskell-interactive-mode-compile-error))
session final-msg)
(unless warning
(haskell-mode-message-line final-msg))
(haskell-process-trigger-suggestions
session
error-msg
file
(plist-get (haskell-process-parse-error final-msg) :line))
t))))))
(defun haskell-interactive-show-load-message (session type module-name file-name echo th)
"Show the '(Compiling|Loading) X' message."
(let ((msg (concat
(cl-ecase type
('compiling
(if haskell-interactive-mode-include-file-name
(format "Compiling: %s (%s)" module-name file-name)
(format "Compiling: %s" module-name)))
('loading (format "Loading: %s" module-name))
('import-cycle (format "Module has an import cycle: %s" module-name)))
(if th " [TH]" ""))))
(haskell-mode-message-line msg)
(when haskell-interactive-mode-delete-superseded-errors
(haskell-interactive-mode-delete-compile-messages session file-name))
(when echo
(haskell-interactive-mode-echo session msg))))
;;;###autoload
(defun haskell-process-reload-devel-main ()
"Reload the module `DevelMain' and then run
`DevelMain.update'. This is for doing live update of the code of
servers or GUI applications. Put your development version of the
program in `DevelMain', and define `update' to auto-start the
program on a new thread, and use the `foreign-store' package to
access the running context across :load/:reloads in GHCi."
(interactive)
(with-current-buffer (or (get-buffer "DevelMain.hs")
(if (y-or-n-p "You need to open a buffer named DevelMain.hs. Find now?")
(ido-find-file)
(error "No DevelMain.hs buffer.")))
(let ((session (haskell-interactive-session)))
(let ((process (haskell-interactive-process)))
(haskell-process-queue-command
process
(make-haskell-command
:state (list :session session
:process process
:buffer (current-buffer))
:go (lambda (state)
(haskell-process-send-string (plist-get state ':process)
":l DevelMain"))
:live (lambda (state buffer)
(haskell-process-live-build (plist-get state ':process)
buffer
nil))
:complete (lambda (state response)
(haskell-process-load-complete
(plist-get state ':session)
(plist-get state ':process)
response
nil
(plist-get state ':buffer)
(lambda (ok)
(when ok
(haskell-process-queue-without-filters
(haskell-interactive-process)
"DevelMain.update")
(message "DevelMain updated.")))))))))))
(provide 'haskell-load)