From 12d2371cb15350ab8e211afde2e41513909267f9 Mon Sep 17 00:00:00 2001
From: Jack Clarke <jackojc@gmail.com>
Date: Mon, 11 Apr 2022 17:37:55 +0000
Subject: [PATCH] Add syntax highlighting for Kakoune (#240)

---
 highlighters/gwion.kak | 73 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 highlighters/gwion.kak

diff --git a/highlighters/gwion.kak b/highlighters/gwion.kak
new file mode 100644
index 00000000..b0974bb2
--- /dev/null
+++ b/highlighters/gwion.kak
@@ -0,0 +1,73 @@
+# Gwion syntax highlighting for kakoune
+
+provide-module -override gwion %{
+	add-highlighter shared/gwion regions
+	add-highlighter shared/gwion/other default-region group
+
+	# comment
+	add-highlighter shared/gwion/comment region '#!' '$' group
+	add-highlighter shared/gwion/comment/ fill comment
+
+	# preprocessor
+	add-highlighter shared/gwion/preproc region '#' '$' group
+	add-highlighter shared/gwion/preproc/ fill module
+
+	evaluate-commands %sh{
+		keywords='
+			operator extends global abstract
+			final
+			default late if else
+			break continue return while do
+			until repeat for foreach match
+			where when case varloop
+			defer try perform handle retry
+			fun function typedef distinct funptr
+			new spork fork'
+
+		attributes='const var static private public protect variadic template samp ms second minute delay'
+		types='auto int float void Object Shred Event'
+		values='true false none this now me adc dac maybe'
+		builtins='__file__ __line__ __func__'
+		entities='class struct trait union enum'
+		operators='\\\? : \$ @ \\\+ - \\\* / % \~ \< \> \\\^ \\\| \& ! ='
+
+		join() { sep=$2; eval set -- $1; IFS="$sep"; echo "$*"; }
+
+		printf %s\\n "declare-option str-list gwion_static_words $(join "${keywords} ${attributes} ${types} ${values} ${decorators}" ' ')"
+
+		printf %s "
+			add-highlighter shared/gwion/other/ regex \b($(join "${keywords}"   '|'))\b             0:keyword
+			add-highlighter shared/gwion/other/ regex \b($(join "${attributes} ${entities}" '|'))\b 0:attribute
+			add-highlighter shared/gwion/other/ regex \b($(join "${types}"      '|'))\b             0:type
+			add-highlighter shared/gwion/other/ regex \b($(join "${values}"     '|'))\b             0:value
+			add-highlighter shared/gwion/other/ regex \b($(join "${builtins}"   '|'))\b             0:builtin
+			add-highlighter shared/gwion/other/ regex   ($(join "${operators}"  '|'))               0:operator
+		"
+	}
+
+	# literals
+	add-highlighter shared/gwion/other/ regex "\d*" 0:value
+	add-highlighter shared/gwion/other/ regex "\B'((\\.)|[^'\\])'\B" 0:value
+
+	# string
+	add-highlighter shared/gwion/string region '"' (?<!\\)(\\\\)*" group
+	add-highlighter shared/gwion/string/ fill string
+	add-highlighter shared/gwion/string/ regex \\[\\ntr'"] 0:keyword
+}
+
+hook global BufCreate .*\.(gw) %{ set-option buffer filetype gwion }
+hook global WinSetOption filetype=gwion %{ require-module gwion }
+
+hook -group wpp-highlight global WinSetOption filetype=gwion %{
+	add-highlighter window/gwion ref gwion
+	hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/gwion }
+}
+
+# comment token
+hook global BufSetOption filetype=gwion %{
+	set-option buffer comment_line '#!'
+	set-option buffer comment_block_begin '#!'
+	set-option buffer comment_block_end ''
+}
+
+
-- 
2.43.0