1 files changed, 81 insertions, 0 deletions
diff --git a/autoload/filetype/lisp.kak b/autoload/filetype/lisp.kak
new file mode 100644
index 0000000..d018e78
--- /dev/null
+++ b/autoload/filetype/lisp.kak
@@ -0,0 +1,81 @@
+# http://common-lisp.net
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*[.](lisp) %{
+    set-option buffer filetype lisp
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=lisp %{
+    require-module lisp
+
+    hook window ModeChange pop:insert:.* -group lisp-trim-indent lisp-trim-indent
+    hook window InsertChar \n -group lisp-indent lisp-indent-on-new-line
+    set-option buffer extra_word_chars '_' '+' '-' '*' '/' '@' '$' '%' '^' '&' '_' '=' '<' '>' '~' '.'
+
+    hook -once -always window WinSetOption filetype=.* %{ remove-hooks window lisp-.+ }
+}
+
+hook -group lisp-highlight global WinSetOption filetype=lisp %{
+    add-highlighter window/lisp ref lisp
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/lisp }
+}
+
+provide-module lisp %{
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter shared/lisp regions
+add-highlighter shared/lisp/code default-region group
+add-highlighter shared/lisp/string  region '"' (?<!\\)(\\\\)*" fill string
+add-highlighter shared/lisp/comment region ';' '$'             fill comment
+
+add-highlighter shared/lisp/code/ regex (#?(['`:]|,@?))?\b[a-zA-Z][\w!$%&*+./:<=>?@^_~-]* 0:variable
+add-highlighter shared/lisp/code/ regex \b(nil|true|false)\b 0:value
+add-highlighter shared/lisp/code/ regex (((\Q***\E)|(///)|(\Q+++\E)){1,3})|(1[+-])|(<|>|<=|=|>=) 0:operator
+add-highlighter shared/lisp/code/ regex \b(def[a-z]+|if|do|let|lambda|catch|and|assert|while|def|do|fn|finally|let|loop|new|quote|recur|set!|throw|try|var|case|if-let|if-not|when|when-first|when-let|when-not|(cond(->|->>)?))\b 0:keyword
+add-highlighter shared/lisp/code/ regex \*[a-zA-Z][\w!$%&*+./:<=>?@^_~-]*\* 0:variable
+add-highlighter shared/lisp/code/ regex (\b\d+)?\.\d+([eEsSfFdDlL]\d+)?\b 0:value
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+define-command -hidden lisp-trim-indent %{
+    # remove trailing white spaces
+    try %{ execute-keys -draft -itersel x s \h+$ <ret> d }
+}
+
+declare-option \
+    -docstring 'regex matching the head of forms which have options *and* indented bodies' \
+    regex lisp_special_indent_forms \
+    '(?:def.*|if(-.*|)|let.*|lambda|with-.*|when(-.*|))'
+
+define-command -hidden lisp-indent-on-new-line %{
+    # registers: i = best align point so far; w = start of first word of form
+    evaluate-commands -draft -save-regs '/"|^@iw' -itersel %{
+        execute-keys -draft 'gk"iZ'
+        try %{
+            execute-keys -draft '[bl"i<a-Z><gt>"wZ'
+
+            try %{
+                # If a special form, indent another (indentwidth - 1) spaces
+                execute-keys -draft '"wze<a-k>\A' %opt{lisp_special_indent_forms} '\z<ret>'
+                execute-keys -draft '"wze<a-L>s.{' %sh{printf $(( kak_opt_indentwidth - 1 ))} '}\K.*<ret><a-;>;"i<a-Z><gt>'
+            } catch %{
+                # If not "special" form and parameter appears on line 1, indent to parameter
+                execute-keys -draft '"wz<a-K>[()\[\]{}]<ret>e<a-l>s\h\K[^\s].*<ret><a-;>;"i<a-Z><gt>'
+            }
+        }
+        try %{ execute-keys -draft '[rl"i<a-Z><gt>' }
+        try %{ execute-keys -draft '[Bl"i<a-Z><gt>' }
+        execute-keys -draft ';"i<a-z>a&,'
+    }
+}
+
+}