[nongnu] elpa/julia-mode 6e9e60b 327/352: Fix forloop matching on == instead of = (#105)

[ELPA Syncer]

branch: elpa/julia-mode
commit 6e9e60b2c75b68d379428a45b129c86de0967a2e
Author: Adam B <adam_gpg@thebeckmeyers.xyz>
Commit: GitHub <noreply@github.com>

    Fix forloop matching on == instead of = (#105)
    
    Fix #104
---
 julia-mode-tests.el | 8 +++++++-
 julia-mode.el       | 9 +++++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/julia-mode-tests.el b/julia-mode-tests.el
index 09b8e13..9187731 100644
--- a/julia-mode-tests.el
+++ b/julia-mode-tests.el
@@ -490,7 +490,13 @@ end")
     (julia--should-font-lock string 10 font-lock-keyword-face))
   (let ((string "(i for i in 1:10)"))
     (julia--should-font-lock string 4 font-lock-keyword-face)
-    (julia--should-font-lock string 10 font-lock-keyword-face)))
+    (julia--should-font-lock string 10 font-lock-keyword-face))
+  (let ((string "[i for i ∈ 1:15 if w(i) == 15]"))
+    (julia--should-font-lock string 4 font-lock-keyword-face)
+    (julia--should-font-lock string 10 font-lock-keyword-face)
+    (julia--should-font-lock string 17 font-lock-keyword-face)
+    (julia--should-font-lock string 25 nil)
+    (julia--should-font-lock string 26 nil)))
 
 ;;; Movement
 (ert-deftest julia--test-beginning-of-defun-assn-1 ()
diff --git a/julia-mode.el b/julia-mode.el
index 9f7234d..57c2874 100644
--- a/julia-mode.el
+++ b/julia-mode.el
@@ -200,8 +200,13 @@
 ].* \\(in\\)\\(\\s-\\|$\\)+")
 
 (defconst julia--forloop-=-regex
-  "for +.*[^
-].*\\(=\\|∈\\)")
+  (rx "for"
+      (1+ ? )
+      ;; expression can't end and no newline before = portion of forloop.
+      (1+ (not (any ?\n ?\; ?=)))
+      (group (any ?= ?∈))
+      ;; don't want to match on == expression instead of =.
+      (not (any ?=))))
 
 (defconst julia-ternary-regex
   " +\\(\\?\\)[