From 7daade1c4d3756e67fe14c87d5212f0c9f77205c Mon Sep 17 00:00:00 2001
From: Joel Klinghed <the_jk@spawned.biz>
Date: Sat, 5 Nov 2022 11:14:20 +0100
Subject: Add support for kotlin by adding flycheck-android-kotlin checker

---
 flycheck-android-experimental.el | 50 +++++++++++++++++++++++++++++++++++-----
 1 file changed, 44 insertions(+), 6 deletions(-)

(limited to 'flycheck-android-experimental.el')

diff --git a/flycheck-android-experimental.el b/flycheck-android-experimental.el
index 0449394..4b781eb 100644
--- a/flycheck-android-experimental.el
+++ b/flycheck-android-experimental.el
@@ -34,15 +34,25 @@
   :safe #'stringp)
 (make-variable-buffer-local 'flycheck-android-java-checkstyle-properties)
 
-(flycheck-def-option-var flycheck-android-java-variant nil android-java
+(flycheck-def-option-var flycheck-android-variant nil android-java android-kotlin
   "Variant to select instead of first."
   :safe #'stringp)
-(make-variable-buffer-local 'flycheck-android-java-variant)
+(make-variable-buffer-local 'flycheck-android-variant)
 
-(flycheck-def-option-var flycheck-android-java-skip-gen nil android-java
+(flycheck-def-option-var flycheck-android-skip-gen nil android-java android-kotlin
   "Set to non-nil if generate*Sources task should not be run before checking."
   :safe #'stringp)
-(make-variable-buffer-local 'flycheck-android-java-skip-gen)
+(make-variable-buffer-local 'flycheck-android-skip-gen)
+
+(flycheck-def-option-var flycheck-android-kotlin-detekt-cli nil android-kotlin
+  "Path to detekt-cli."
+  :safe #'stringp)
+(make-variable-buffer-local 'flycheck-android-kotlin-detekt-cli)
+
+(flycheck-def-option-var flycheck-android-kotlin-detekt-config nil android-kotlin
+  "Path to detekt.yml."
+  :safe #'stringp)
+(make-variable-buffer-local 'flycheck-android-kotlin-detekt-config)
 
 (flycheck-define-checker android-java
   "Java syntax checker using javac."
@@ -57,9 +67,9 @@
             (option "--checkstyle-properties="
                     flycheck-android-java-checkstyle-properties concat)
             (option "--variant="
-                    flycheck-android-java-variant concat)
+                    flycheck-android-variant concat)
             (option-flag "--skip-gen"
-                         flycheck-android-java-skip-gen)
+                         flycheck-android-skip-gen)
             (eval (flycheck-android-get-sessiondir))
             (eval buffer-file-name)
             source)
@@ -83,6 +93,34 @@
    (error line-start (file-name) ":" line ": " (message) line-end))
   :modes java-mode)
 
+(flycheck-define-checker android-kotlin
+  "Kotlin syntax checker using kotlin."
+  :command ("python"
+            (eval (flycheck-android-find-tool "kotlin"))
+            (option "--detekt-cli="
+                    flycheck-android-kotlin-detekt-cli concat)
+            (option "--detekt-config="
+                    flycheck-android-kotlin-detekt-config concat)
+            (option "--variant="
+                    flycheck-android-variant concat)
+            (option-flag "--skip-gen"
+                         flycheck-android-skip-gen)
+            (eval (flycheck-android-get-sessiondir))
+            (eval buffer-file-name)
+            source)
+  :error-patterns
+  ((warning line-start (file-name) ":" line ":" column ": warning:"
+            (message (one-or-more (not (any "^")))
+                     (any "^"))
+            line-end)
+   (error line-start (file-name) ":" line ":" column ": error:"
+          (message (one-or-more (not (any "^")))
+                   (any "^"))
+          line-end)
+   ;; detekt
+   (warning line-start (file-name) ":" line ":" column ": " (message) line-end))
+  :modes kotlin-mode)
+
 (defun flycheck-android-find-tool (tool)
   "Find flycheck-android-TOOL.py.
 TOOL=name of tool"
-- 
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