1 files changed, 79 insertions, 0 deletions
diff --git a/autoload/filetype/just.kak b/autoload/filetype/just.kak
new file mode 100644
index 0000000..8c43fcc
--- /dev/null
+++ b/autoload/filetype/just.kak
@@ -0,0 +1,79 @@
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*/?[jJ]ustfile %{
+    set-option buffer filetype justfile
+}
+
+hook global WinSetOption filetype=justfile %{
+    require-module justfile
+
+    hook window ModeChange pop:insert:.* -group justfile-trim-indent justfile-trim-indent
+    hook window InsertChar \n -group justfile-insert just-insert-on-new-line
+    hook window InsertChar \n -group justfile-indent just-indent-on-new-line
+    hook -once -always window WinSetOption filetype=.* %{ remove-hooks window justfile-.+ }
+}
+
+hook -group justfile-highlight global WinSetOption filetype=justfile %{
+    add-highlighter window/justfile ref justfile
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/justfile }
+}
+
+
+provide-module justfile %{
+
+# Indentation
+# ‾‾‾‾‾‾‾‾‾‾‾
+
+define-command -hidden justfile-trim-indent %{
+    evaluate-commands -no-hooks -draft -itersel %{
+        execute-keys x
+        # remove trailing white spaces
+        try %{ execute-keys -draft s \h + $ <ret> d }
+    }
+}
+
+define-command -hidden just-insert-on-new-line %{
+    # copy '#' comment prefix and following white spaces
+    try %{ execute-keys -draft k x s ^\h*//\h* <ret> y jgh P }
+}
+
+define-command -hidden just-indent-on-new-line %{
+     evaluate-commands -draft -itersel %{
+        # preserve previous line indent
+        try %{ execute-keys -draft <semicolon>K<a-&> }
+        # cleanup trailing white spaces on previous line
+        try %{ execute-keys -draft kx s \h+$ <ret>"_d }
+    }
+}
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter shared/justfile regions
+
+add-highlighter shared/justfile/content default-region group
+add-highlighter shared/justfile/content/recipe regex '^@?([\w-]+)([^\n]*):(?!=)([^\n]*)' 1:function 2:meta 3:keyword
+add-highlighter shared/justfile/content/assignments regex ^([\w-]+\h*:=\h*[^\n]*) 1:meta
+add-highlighter shared/justfile/content/operator regex '((^@|:=|=|\+|\(|\)))' 1:operator
+add-highlighter shared/justfile/content/strings regions
+add-highlighter shared/justfile/content/strings/double region '"' (?<!\\)(\\\\)*" fill string
+add-highlighter shared/justfile/content/strings/single region "'" (?<!\\)(\\\\)*' fill string
+
+add-highlighter shared/justfile/comment  region '#' '$'  fill comment
+
+add-highlighter shared/justfile/inline   region '`' '`' ref sh
+
+add-highlighter shared/justfile/body  region '^\h+' '^[^\h]' group
+add-highlighter shared/justfile/body/interpreters regions
+add-highlighter shared/justfile/body/interpreters/defaultshell default-region group
+add-highlighter shared/justfile/body/interpreters/defaultshell/ ref sh
+add-highlighter shared/justfile/body/interpreters/defaultshell/ regex '^\h+(@)' 1:operator
+
+add-highlighter shared/justfile/body/interpreters/bash region '^\h+#!\h?/usr/bin/env bash' '^[^\h]' ref sh
+add-highlighter shared/justfile/body/interpreters/sh region '^\h+#!\h?/usr/bin/env sh' '^[^\h]' ref sh
+
+add-highlighter shared/justfile/body/ regex '(\{{2})([\w-]+(?:\(\))?)(\}{2})' 1:operator 2:variable 3:operator
+
+
+}