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[ELPA-diffs] /srv/bzr/emacs/elpa r247: New function f90-list-in-scope-va
From: |
Stefan Monnier |
Subject: |
[ELPA-diffs] /srv/bzr/emacs/elpa r247: New function f90-list-in-scope-vars. |
Date: |
Fri, 10 Aug 2012 17:27:03 -0400 |
User-agent: |
Bazaar (2.5.0) |
------------------------------------------------------------
revno: 247 [merge]
committer: Stefan Monnier <address@hidden>
branch nick: elpa
timestamp: Fri 2012-08-10 17:27:03 -0400
message:
New function f90-list-in-scope-vars.
modified:
packages/f90-interface-browser/f90-interface-browser.el
=== modified file 'packages/f90-interface-browser/f90-interface-browser.el'
--- a/packages/f90-interface-browser/f90-interface-browser.el 2012-02-06
02:11:54 +0000
+++ b/packages/f90-interface-browser/f90-interface-browser.el 2012-08-10
21:27:03 +0000
@@ -5,7 +5,7 @@
;; Author: Lawrence Mitchell <address@hidden>
;; Created: 2011-07-06
;; Available-from: http://github.com/wence-/f90-iface/
-;; Version: 1.0
+;; Version: 1.1
;; COPYRIGHT NOTICE
@@ -44,6 +44,12 @@
;; so that you can use it on the M-. keybinding and it will fall back
;; to completing tag names if you don't want to look for an interface
;; definition.
+;; In addition, if you're in a large procedure and want the list of
+;; the variables in scope (perhaps you want to define a new loop
+;; variable), you can use `f90-list-in-scope-vars' to pop up a buffer
+;; giving a reasonable guess. Note this doesn't give you module
+;; variables, or the variables of parent procedures if the current
+;; subroutine is contained within another.
;; Derived types are also parsed, so that slot types of derived types
;; are given the correct type (rather than a UNION-TYPE) when arglist
@@ -875,6 +881,51 @@
(goto-char (point-min))
(f90-arg-types names))))))
+(defun f90-list-in-scope-vars ()
+ "Pop up a buffer showing all variables in scope in the procedure at `point'"
+ (interactive)
+ (let* ((e (save-excursion (f90-end-of-subprogram) (point)))
+ (b (save-excursion (f90-beginning-of-subprogram) (point)))
+ (str (buffer-substring-no-properties b e))
+ types)
+ (with-temp-buffer
+ (with-syntax-table f90-mode-syntax-table
+ (insert str)
+ (goto-char (point-min))
+ (f90-clean-comments)
+ (f90-clean-continuation-lines)
+ (forward-line 1) ; skip procedure name
+ (let ((not-done t)
+ type)
+ (while (and not-done (not (eobp)))
+ ;; skip "implicit none" which may appear at top of procedure
+ (when (looking-at "\\s-*implicit\\s-+none")
+ (forward-line 1))
+ (when (not (looking-at "^\\s-*$"))
+ (setq type (ignore-errors (f90-parse-single-type-declaration)))
+ ;; If we were on a line with text and failed to parse a
+ ;; type, we must have reached the end of the type
+ ;; definitions, so don't push it on and finish.
+ (if type
+ (push type types)
+ (setq not-done nil)))
+ (forward-line 1)))))
+ (with-current-buffer (get-buffer-create "*Variables in scope*")
+ (setq buffer-read-only nil)
+ (erase-buffer)
+ (f90-mode)
+ ;; Show types of the same type together
+ (setq types (sort types (lambda (x y)
+ (string< (cadar x) (cadar y)))))
+ (loop for (type name) in types
+ do
+ (insert (format "%s :: %s\n"
+ (f90-format-parsed-slot-type type)
+ (f90-get-parsed-type-varname type))))
+ (pop-to-buffer (current-buffer))
+ (goto-char (point-min))
+ (setq buffer-read-only t))))
+
(defun f90-arg-types (names)
"Given NAMES of arguments return their types.
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