branch: elpa/idris-mode
commit f49254808444022b4c122cee2bd4025dfb605981
Author: Marek L <[email protected]>
Commit: Marek L <[email protected]>

    Extract `(car (idris-eval ..` in commands to `idris-user-eval`
    
    This will allow us to:
    - globally handle updating idris notes when needed
    - remove (cyclic) dependency of `inferior-idris.el` on 
`idris-list-compiler-notes`
    - remove duplication
    - unify and improve response handling
---
 idris-commands.el | 53 +++++++++++++++++++++++++++++------------------------
 1 file changed, 29 insertions(+), 24 deletions(-)

diff --git a/idris-commands.el b/idris-commands.el
index a5aaf2a7a4..b8599d6d60 100644
--- a/idris-commands.el
+++ b/idris-commands.el
@@ -271,7 +271,7 @@ This sets the load position to point, if there is one."
           (idris-switch-working-directory srcdir)
           (idris-toggle-semantic-source-highlighting)
           (let ((result
-                 (idris-eval
+                 (idris-user-eval
                   (if idris-load-to-here
                       `(:load-file ,fn ,(idris-get-line-num 
idris-load-to-here))
                     `(:load-file ,fn))))
@@ -323,9 +323,9 @@ printing definition of a type at point."
 
 (defun idris-who-calls-name (name)
   "Show the callers of NAME in a tree."
-  (let* ((callers (idris-eval `(:who-calls ,name)))
+  (let* ((callers (idris-user-eval `(:who-calls ,name)))
          (roots (mapcar #'(lambda (c) (idris-caller-tree c :who-calls))
-                        (car callers))))
+                        callers)))
     (if (not (null roots))
         (idris-tree-info-show-multiple roots "Callers")
       (message "The name %s was not found." name))
@@ -340,8 +340,8 @@ printing definition of a type at point."
 
 (defun idris-name-calls-who (name)
   "Show the callees of NAME in a tree."
-  (let* ((callees (idris-eval `(:calls-who ,name)))
-         (roots (mapcar #'(lambda (c) (idris-caller-tree c :calls-who)) (car 
callees))))
+  (let* ((callees (idris-user-eval `(:calls-who ,name)))
+         (roots (mapcar #'(lambda (c) (idris-caller-tree c :calls-who)) 
callees)))
     (if (not (null roots))
         (idris-tree-info-show-multiple roots "Callees")
       (message "The name %s was not found." name))
@@ -514,9 +514,9 @@ Useful for writing papers or slides."
         (user-error "Width must be positive")
       (if (< (length what) 1)
           (user-error "Nothing to pretty-print")
-        (let ((text (idris-eval `(:interpret ,(concat ":pprint " fmt " " width 
" " what)))))
+        (let ((text (idris-user-eval `(:interpret ,(concat ":pprint " fmt " " 
width " " what)))))
           (with-idris-info-buffer
-            (insert (car text))
+            (insert text)
             (goto-char (point-min))
             (re-search-forward (if (string= fmt "latex")
                                    "% START CODE\n"
@@ -536,7 +536,7 @@ Useful for writing papers or slides."
   (let ((what (idris-thing-at-point)))
     (when (car what)
       (idris-load-file-sync)
-      (let ((result (car (idris-eval `(:case-split ,(cdr what) ,(car what)))))
+      (let ((result (idris-user-eval `(:case-split ,(cdr what) ,(car what))))
             (initial-position (point)))
         (if (<= (length result) 2)
             (message "Can't case split %s" (car what))
@@ -552,7 +552,7 @@ Useful for writing papers or slides."
   (let ((what (idris-thing-at-point)))
     (when (car what)
       (idris-load-file-sync)
-      (let ((result (car (idris-eval `(:make-case ,(cdr what) ,(car what))))))
+      (let ((result (idris-user-eval `(:make-case ,(cdr what) ,(car what)))))
         (if (<= (length result) 2)
             (message "Can't make cases from %s" (car what))
           (delete-region (line-beginning-position) (line-end-position))
@@ -601,7 +601,7 @@ If no indentation is found, return the empty string."
         (command (if proof :add-proof-clause :add-clause)))
     (when (car what)
       (idris-load-file-sync)
-      (let ((result (string-trim-left (car (idris-eval `(,command ,(cdr what) 
,(car what))))))
+      (let ((result (string-trim-left (idris-user-eval `(,command ,(cdr what) 
,(car what)))))
             final-point
             (prefix (idris-line-indentation-for what)))
         ;; Go forward until we get to a line with equal or less indentation to
@@ -627,7 +627,7 @@ If no indentation is found, return the empty string."
   (let ((what (idris-thing-at-point)))
     (when (car what)
       (idris-load-file-sync)
-      (let ((result (car (idris-eval `(:add-missing ,(cdr what) ,(car 
what))))))
+      (let ((result (idris-user-eval `(:add-missing ,(cdr what) ,(car what)))))
         (forward-line 1)
         (insert result)))))
 
@@ -637,7 +637,7 @@ If no indentation is found, return the empty string."
   (let ((what (idris-thing-at-point)))
     (when (car what)
       (idris-load-file-sync)
-      (let ((result (car (idris-eval `(:make-with ,(cdr what) ,(car what))))))
+      (let ((result (idris-user-eval `(:make-with ,(cdr what) ,(car what)))))
         (beginning-of-line)
         (kill-line)
         (insert result)))))
@@ -648,7 +648,7 @@ If no indentation is found, return the empty string."
   (let ((what (idris-thing-at-point)))
     (when (car what)
       (idris-load-file-sync)
-      (let* ((result (car (idris-eval `(:make-lemma ,(cdr what) ,(car what)))))
+      (let* ((result (idris-user-eval `(:make-lemma ,(cdr what) ,(car what))))
              (lemma-type (car result)))
         ;; There are two cases here: either a ?hole, or the {name} of a 
provisional defn.
         (cond ((equal lemma-type :metavariable-lemma)
@@ -768,11 +768,9 @@ A plain prefix ARG causes the command to prompt for hints 
and recursion
         (what (idris-thing-at-point)))
     (when (car what)
       (idris-load-file-sync)
-
-      (let ((result (car (if (> idris-protocol-version 1)
-                             (idris-eval `(:proof-search ,(cdr what) ,(car 
what)))
-                           (idris-eval `(:proof-search ,(cdr what) ,(car what) 
,hints ,@depth))
-                           ))))
+      (let ((result (idris-user-eval (if (> idris-protocol-version 1)
+                                         `(:proof-search ,(cdr what) ,(car 
what))
+                                       `(:proof-search ,(cdr what) ,(car what) 
,hints ,@depth)))))
         (if (string= result "")
             (user-error "Nothing found")
           (idris-replace-hole-with result))))))
@@ -783,7 +781,7 @@ Idris 2 only."
   (interactive)
   (if (not proof-region-start)
       (user-error "You must proof search first before looking for subsequent 
proof results")
-    (let ((result (car (idris-eval `:proof-search-next))))
+    (let ((result (idris-user-eval `:proof-search-next)))
       (save-excursion
         (goto-char proof-region-start)
         (delete-region proof-region-start proof-region-end)
@@ -800,7 +798,7 @@ Idris 2 only."
   (let ((what (idris-thing-at-point)))
     (when (car what)
       (idris-load-file-sync)
-      (let ((result (car (idris-eval `(:generate-def ,(cdr what) ,(car 
what)))))
+      (let ((result (idris-user-eval `(:generate-def ,(cdr what) ,(car what))))
             final-point
             (prefix (idris-line-indentation-for what)))
         (if (string= result "")
@@ -825,7 +823,7 @@ Idris 2 only."
   (interactive)
   (if (not def-region-start)
       (user-error "You must program search first before looking for subsequent 
program results")
-    (let ((result (car (idris-eval `:generate-def-next))))
+    (let ((result (idris-user-eval `:generate-def-next)))
       (save-excursion
         (goto-char def-region-start)
         (delete-region def-region-start def-region-end)
@@ -840,7 +838,7 @@ Idris 2 only."
     (unless (car what)
       (user-error "Could not find a hole at point to refine by"))
     (idris-load-file-sync)
-    (let ((results (car (idris-eval `(:intro ,(cdr what) ,(car what))))))
+    (let ((results (idris-user-eval `(:intro ,(cdr what) ,(car what)))))
       (pcase results
         (`(,result) (idris-replace-hole-with result))
         (_ (idris-replace-hole-with (ido-completing-read "I'm hesitating 
between: " results)))))))
@@ -852,7 +850,7 @@ Idris 2 only."
     (unless (car what)
       (user-error "Could not find a hole at point to refine by"))
     (idris-load-file-sync)
-    (let ((result (car (idris-eval `(:refine ,(cdr what) ,(car what) ,name)))))
+    (let ((result (idris-user-eval `(:refine ,(cdr what) ,(car what) ,name))))
       (idris-replace-hole-with result))))
 
 (defun idris-identifier-backwards-from-point ()
@@ -907,7 +905,7 @@ type-correct, so loading will fail."
   (interactive)
   (when (idris-current-buffer-dirty-p)
     (idris-load-file-sync))
-  (idris-hole-list-show (car (idris-eval '(:metavariables 80)))))
+  (idris-hole-list-show (idris-user-eval '(:metavariables 80))))
 
 (defun idris-list-compiler-notes ()
   "Show the compiler notes in tree view."
@@ -1400,5 +1398,12 @@ of the term to replace."
                          (idris-show-core-term
                           (idris--active-term-beginning tt-term pos)))))))))))
 
+(defun idris-user-eval (what &optional no-errors)
+  "Send WHAT to Idris process and return first item in the response.
+
+If `NO-ERRORS' is non-nil, don't raise `ERROR' if there was an Idris error."
+  (let ((ty (idris-eval what no-errors)))
+    (car ty)))
+
 (provide 'idris-commands)
 ;;; idris-commands.el ends here

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