feat: fennelize intellitab

fnl/scripts/intellitab.fnl

@@ -0,0 +1,52 @@
+;; Copyright 2021 Pedro Alves
+
+;; Makes it so hitting <Tab> at the start of a line puts you where smartindent
+;; would have
+;;
+;; Converted by antifennel <https://fennel-lang.org/see>
+
+(local v vim.api)
+(local treesitter (require :nvim-treesitter))
+(fn get-line-indent [line sw]
+  (var indent 0)
+  (each [c (line:gmatch "%s")]
+    (if (= c "\t") (set indent (+ indent sw)) (set indent (+ indent 1))))
+  indent)
+
+(fn indent []
+  (let [cursor (v.nvim_win_get_cursor 0)
+        line (. (v.nvim_buf_get_lines 0 (- (. cursor 1) 1) (. cursor 1) false)
+                1)
+        indentexpr (v.nvim_get_option_value :indentexpr {:buf 0})
+        expand (v.nvim_get_option_value :expandtab {:buf 0})
+        shiftwidth (v.nvim_eval "shiftwidth()")
+        tab-char (v.nvim_replace_termcodes :<Tab> true true true)]
+    (var indent-goal nil)
+    (when (and (not= treesitter nil) (not= treesitter.get_indent nil))
+      (set indent-goal (treesitter.get_indent line)))
+    (when (or (= indent-goal nil) (< indent-goal 0))
+      (if (not= indentexpr "") (set indent-goal (v.nvim_eval indentexpr))
+          (v.nvim_get_option_value :cindent {:buf 0})
+          (set indent-goal (v.nvim_call_function :cindent [(. cursor 1)]))
+          (set indent-goal (v.nvim_call_function :indent [(. cursor 1)]))))
+    (when (and (= indent-goal (- 1)) (not= (. cursor 1) 1))
+      (local prev-line (. (v.nvim_buf_get_lines 0 (- (. cursor 1) 2)
+                                                (- (. cursor 1) 1) false)
+                          1))
+      (set indent-goal (get-line-indent prev-line shiftwidth)))
+    (v.nvim_win_set_cursor 0 cursor)
+    (if (and (and (and (= (. cursor 2) 0) (= line "")) (not= indent-goal nil))
+             (> indent-goal 0))
+        (do
+          (var i 0)
+          (while (< i indent-goal)
+            (if expand (do
+                         (v.nvim_feedkeys " " :n true)
+                         (set i (+ i 1)))
+                (do
+                  (v.nvim_feedkeys tab-char :n true)
+                  (set i (+ i shiftwidth)))))
+          (print i indent-goal))
+        (v.nvim_feedkeys tab-char :n true))))
+
+{: indent}

lua/scripts/intellitab.lua

@@ -1,70 +1,59 @@
--- Copyright 2021 Pedro Alves
+-- [nfnl] Compiled from ./fnl/scripts/intellitab.fnl by https://github.com/Olical/nfnl, do not edit.
-
 local v = vim.api
-
 local treesitter = require("nvim-treesitter")
-
 local function get_line_indent(line, sw)
   local indent = 0
-
   for c in line:gmatch("%s") do
-    if c == "\t" then
+    if (c == "\t") then
-      indent = indent + sw
+      indent = (indent + sw)
     else
-      indent = indent + 1
+      indent = (indent + 1)
     end
   end
-
   return indent
 end
-
 local function indent()
   local cursor = v.nvim_win_get_cursor(0)
-  local line = v.nvim_buf_get_lines(0, cursor[1] - 1, cursor[1], false)[1]
+  local line = v.nvim_buf_get_lines(0, (cursor[1] - 1), cursor[1], false)[1]
-
   local indentexpr = v.nvim_get_option_value("indentexpr", {buf = 0})
   local expand = v.nvim_get_option_value("expandtab", {buf = 0})
   local shiftwidth = v.nvim_eval("shiftwidth()")
   local tab_char = v.nvim_replace_termcodes("<Tab>", true, true, true)
-  local indent_goal
+  local indent_goal = nil
-
+  if ((treesitter ~= nil) and (treesitter.get_indent ~= nil)) then
-  if treesitter ~= nil and treesitter.get_indent ~= nil then
     indent_goal = treesitter.get_indent(line)
+  else
   end
-
+  if ((indent_goal == nil) or (indent_goal < 0)) then
-  if indent_goal == nil or indent_goal < 0 then
+    if (indentexpr ~= "") then
-    if indentexpr ~= "" then
       indent_goal = v.nvim_eval(indentexpr)
     elseif v.nvim_get_option_value("cindent", {buf = 0}) then
       indent_goal = v.nvim_call_function("cindent", {cursor[1]})
     else
       indent_goal = v.nvim_call_function("indent", {cursor[1]})
     end
+  else
   end
-
+  if ((indent_goal == ( - 1)) and (cursor[1] ~= 1)) then
-  if indent_goal == -1 and cursor[1] ~= 1 then
+    local prev_line = v.nvim_buf_get_lines(0, (cursor[1] - 2), (cursor[1] - 1), false)[1]
-    local prev_line = v.nvim_buf_get_lines(0, cursor[1] - 2, cursor[1] - 1, false)[1]
     indent_goal = get_line_indent(prev_line, shiftwidth)
+  else
   end
-
-  -- Reset the cursor, since the functions are free to move it
   v.nvim_win_set_cursor(0, cursor)
-
+  if ((((cursor[2] == 0) and (line == "")) and (indent_goal ~= nil)) and (indent_goal > 0)) then
-  if cursor[2] == 0 and line == "" and indent_goal ~= nil and indent_goal > 0 then
     local i = 0
-    while i < indent_goal do
+    while (i < indent_goal) do
       if expand then
         v.nvim_feedkeys(" ", "n", true)
-        i = i + 1
+        i = (i + 1)
       else
         v.nvim_feedkeys(tab_char, "n", true)
-        i = i + shiftwidth
+        i = (i + shiftwidth)
       end
     end
-    print(i, indent_goal)
+    return print(i, indent_goal)
   else
-    v.nvim_feedkeys(tab_char, "n", true)
+    return v.nvim_feedkeys(tab_char, "n", true)
   end
 end
-
 return {indent = indent}