#!/usr/bin/env lua
package.preload["fnlfmt"] = package.preload["fnlfmt"] or function(...)
  local fennel = require("fennel")
  local unpack = (table.unpack or _G.unpack)
  local syntax = fennel.syntax()
  local function last_line_length(line)
    return #line:match("[^\n]*$")
  end
  local function any_3f(tbl, pred)
    local _2_
    do
      local tbl_15_auto = {}
      local i_16_auto = #tbl_15_auto
      for _, v in pairs(tbl) do
        local val_17_auto
        if pred(v) then
          val_17_auto = true
        else
          val_17_auto = nil
        end
        if (nil ~= val_17_auto) then
          i_16_auto = (i_16_auto + 1)
          do end (tbl_15_auto)[i_16_auto] = val_17_auto
        else
        end
      end
      _2_ = tbl_15_auto
    end
    return (0 ~= #_2_)
  end
  local function strip_comments(t)
    local tbl_15_auto = {}
    local i_16_auto = #tbl_15_auto
    for _, x in ipairs(t) do
      local val_17_auto
      if not fennel["comment?"](x) then
        val_17_auto = x
      else
        val_17_auto = nil
      end
      if (nil ~= val_17_auto) then
        i_16_auto = (i_16_auto + 1)
        do end (tbl_15_auto)[i_16_auto] = val_17_auto
      else
      end
    end
    return tbl_15_auto
  end
  local function view_fn_args(t, view, inspector, indent, start_indent, out, callee)
    if fennel["sym?"](t[2]) then
      local third = view(t[3], inspector, (indent + 1))
      table.insert(out, " ")
      table.insert(out, third)
      if ("string" == type(t[4])) then
        table.insert(out, ("\n" .. string.rep(" ", start_indent)))
        inspector["escape-newlines?"] = false
        table.insert(out, view(t[4], inspector, start_indent))
        inspector["escape-newlines?"] = true
        return 5
      else
        return 4
      end
    else
      return 3
    end
  end
  local function first_thing_in_line_3f(out)
    local last = (out[#out] or "")
    return not last:match("[^\n]*$"):match("[^ ]")
  end
  local function break_pair_3f(pair_wise_3f, count, viewed, next_ast, indent)
    return (pair_wise_3f and (1 == math.fmod(count, 2)) and not (fennel["comment?"](next_ast) and ((indent + 1 + last_line_length(viewed) + 1 + #tostring(next_ast)) <= 80)))
  end
  local function binding_comment(c, indent, out, start_indent)
    if ((80 < (indent + #tostring(c))) and (out[#out]):match("^[^%s]")) then
      table.insert(out, ("\n" .. string.rep(" ", start_indent)))
    else
    end
    if (not first_thing_in_line_3f(out) and (#out ~= 1)) then
      table.insert(out, " ")
    else
    end
    table.insert(out, tostring(c))
    return table.insert(out, ("\n" .. string.rep(" ", start_indent)))
  end
  local function view_binding(bindings, view, inspector, start_indent, pair_wise_3f, open, close)
    local out = {open}
    local indent, offset, non_comment_count = start_indent, 0, 1
    for i = 1, #bindings do
      while fennel["comment?"](bindings[(i + offset)]) do
        binding_comment(bindings[(i + offset)], indent, out, start_indent)
        indent, offset = start_indent, (offset + 1)
      end
      local i0 = (offset + i)
      local viewed = view(bindings[i0], inspector, indent)
      if (i0 <= #bindings) then
        table.insert(out, viewed)
        non_comment_count = (non_comment_count + 1)
        if (i0 < #bindings) then
          if break_pair_3f(pair_wise_3f, non_comment_count, viewed, bindings[(i0 + 1)], indent) then
            table.insert(out, ("\n" .. string.rep(" ", start_indent)))
            indent = start_indent
          else
            indent = (indent + 1 + last_line_length(viewed))
            table.insert(out, " ")
          end
        else
        end
      else
      end
    end
    table.insert(out, close)
    return table.concat(out)
  end
  local fn_forms = {fn = true, lambda = true, ["\206\187"] = true, macro = true}
  local force_initial_newline = {["do"] = true, ["eval-compiler"] = true}
  local function view_init_body(t, view, inspector, start_indent, out, callee)
    if force_initial_newline[callee] then
      table.insert(out, ("\n" .. string.rep(" ", start_indent)))
    else
      table.insert(out, " ")
    end
    local indent
    if force_initial_newline[callee] then
      indent = start_indent
    else
      indent = (start_indent + #callee)
    end
    local second
    local function _16_()
      local t_17_ = syntax
      if (nil ~= t_17_) then
        t_17_ = (t_17_)[callee]
      else
      end
      if (nil ~= t_17_) then
        t_17_ = (t_17_)["binding-form?"]
      else
      end
      return t_17_
    end
    if (_16_() and ("unquote" ~= tostring(t[2][1]))) then
      second = view_binding(t[2], view, inspector, (indent + 1), ("let" == callee), "[", "]")
    else
      second = view(t[2], inspector, indent)
    end
    local indent2 = (indent + #second:match("[^\n]*$"))
    if (nil ~= t[2]) then
      table.insert(out, second)
    else
    end
    if fn_forms[callee] then
      return view_fn_args(t, view, inspector, indent2, start_indent, out, callee)
    else
      return 3
    end
  end
  local function match_same_line_3f(callee, i, out, viewed, t)
    return (("match" == callee) and (0 == math.fmod(i, 2)) and not any_3f(t, fennel["comment?"]) and (((string.find(viewed, "\n") or #viewed:match("[^\n]*$")) + 1 + last_line_length(out[#out])) <= 80))
  end
  local function trailing_comment_3f(out, viewed, body_indent, indent)
    return (viewed:match("^; ") and (body_indent <= 80))
  end
  local one_element_per_line_forms = {["->"] = true, ["->>"] = true, ["-?>"] = true, ["-?>>"] = true, ["if"] = true}
  local function space_out_fns_3f(prev, viewed, start_index, i)
    return (not (start_index == i) and (prev:match("^ *%(fn [^%[]") or viewed:match("^ *%(fn [^%[]")))
  end
  local function view_body(t, view, inspector, start_indent, out, callee)
    local start_index = view_init_body(t, view, inspector, start_indent, out, callee)
    local indent
    if one_element_per_line_forms[callee] then
      indent = (start_indent + #callee)
    else
      indent = start_indent
    end
    for i = (start_index or (#t + 1)), #t do
      local viewed = view(t[i], inspector, indent)
      local body_indent = (indent + 1 + last_line_length(out[#out]))
      if (match_same_line_3f(callee, i, out, viewed, t) or trailing_comment_3f(out, viewed, body_indent, indent)) then
        table.insert(out, " ")
        table.insert(out, view(t[i], inspector, body_indent))
      else
        if space_out_fns_3f(out[#out], viewed, start_index, i) then
          table.insert(out, "\n")
        else
        end
        table.insert(out, ("\n" .. string.rep(" ", indent)))
        table.insert(out, viewed)
      end
    end
    return nil
  end
  local function line_exceeded_3f(inspector, indent, viewed)
    return (inspector["line-length"] < (indent + last_line_length(viewed)))
  end
  local function view_with_newline(view, inspector, out, t, i, start_indent)
    if (" " == out[#out]) then
      table.remove(out)
    else
    end
    table.insert(out, ("\n" .. string.rep(" ", start_indent)))
    local viewed = view(t[i], inspector, start_indent)
    table.insert(out, viewed)
    return (start_indent + #viewed:match("[^\n]*$"))
  end
  local function view_call(t, view, inspector, start_indent, out)
    local indent = start_indent
    for i = 2, #t do
      table.insert(out, " ")
      indent = (indent + 1)
      local viewed = view(t[i], inspector, (indent - 1))
      if (fennel["comment?"](t[(i - 1)]) or (line_exceeded_3f(inspector, indent, viewed) and (2 ~= i))) then
        indent = view_with_newline(view, inspector, out, t, i, start_indent)
      else
        table.insert(out, viewed)
        indent = (indent + #viewed:match("[^\n]*$"))
      end
    end
    return nil
  end
  local function view_pairwise_if(t, view, inspector, indent, out)
    return table.insert(out, (" " .. view_binding({select(2, unpack(t))}, view, inspector, indent, true, "", "")))
  end
  local function if_pair(view, a, b, c)
    local function _28_()
      if fennel["comment?"](c) then
        return (" " .. view(c))
      else
        return ""
      end
    end
    return (view(a) .. " " .. view(b) .. _28_())
  end
  local function pairwise_if_3f(t, indent, i, view)
    if (#strip_comments(t) < 5) then
      return false
    elseif ("if" ~= tostring(t[1])) then
      return false
    elseif not t[i] then
      return true
    elseif (80 < (indent + 1 + #if_pair(view, select(i, unpack(t))))) then
      return false
    else
      local _29_
      if fennel.comment(t[(i + 2)]) then
        _29_ = (i + 3)
      else
        _29_ = (i + 2)
      end
      return pairwise_if_3f(t, indent, _29_, view)
    end
  end
  local function originally_different_lines_3f(_32_, line)
    local _arg_33_ = _32_
    local _ = _arg_33_[1]
    local first = _arg_33_[2]
    local second = _arg_33_[3]
    return (("table" == type(first)) and ("table" == type(second)) and (function(_34_,_35_,_36_) return (_34_ ~= _35_) or (_35_ ~= _36_) end)(line,(first.line or line),(second.line or line)))
  end
  local function view_maybe_body(t, view, inspector, indent, start_indent, out, callee)
    if pairwise_if_3f(t, indent, 2, view) then
      return view_pairwise_if(t, view, inspector, indent, out)
    elseif originally_different_lines_3f(t, t.line) then
      return view_body(t, view, inspector, (start_indent + 2), out, callee)
    else
      return view_call(t, view, inspector, indent, out, callee)
    end
  end
  local function newline_if_ends_in_comment(out, indent)
    if (out[#out]):match("^ *;[^\n]*$") then
      return table.insert(out, ("\n" .. string.rep(" ", indent)))
    else
      return nil
    end
  end
  local sugars = {hashfn = "#", quote = "`", unquote = ","}
  local function sweeten(t, view, inspector, indent, view_list)
    return (sugars[tostring(t[1])] .. view(t[2], inspector, (indent + 1)))
  end
  local maybe_body = {["->"] = true, ["->>"] = true, ["-?>"] = true, ["-?>>"] = true, doto = true, ["if"] = true}
  local renames = {["#"] = "length", ["~="] = "not="}
  local function view_list(t, view, inspector, start_indent)
    if sugars[tostring(t[1])] then
      return sweeten(t, view, inspector, start_indent, view_list)
    else
      local callee = view(t[1], inspector, (start_indent + 1))
      local callee0 = (renames[callee] or callee)
      local out = {"(", callee0}
      local indent
      local _40_
      do
        local t_39_ = syntax
        if (nil ~= t_39_) then
          t_39_ = (t_39_)[callee0]
        else
        end
        if (nil ~= t_39_) then
          t_39_ = (t_39_)["body-form?"]
        else
        end
        _40_ = t_39_
      end
      if _40_ then
        indent = (start_indent + 2)
      else
        indent = (start_indent + #callee0 + 2)
      end
      local _45_
      do
        local t_44_ = syntax
        if (nil ~= t_44_) then
          t_44_ = (t_44_)[callee0]
        else
        end
        if (nil ~= t_44_) then
          t_44_ = (t_44_)["body-form?"]
        else
        end
        _45_ = t_44_
      end
      if _45_ then
        view_body(t, view, inspector, indent, out, callee0)
      elseif maybe_body[callee0] then
        view_maybe_body(t, view, inspector, indent, start_indent, out, callee0)
      else
        view_call(t, view, inspector, indent, out)
      end
      newline_if_ends_in_comment(out, indent)
      table.insert(out, ")")
      return table.concat(out)
    end
  end
  local slength
  local function _50_(...)
    local _51_ = rawget(_G, "utf8")
    if (nil ~= _51_) then
      return (_51_).len
    else
      return _51_
    end
  end
  local function _53_(_241)
    return #_241
  end
  slength = (_50_(...) or _53_)
  local function maybe_attach_comment(x, indent, cs)
    if (cs and (0 < #cs)) then
      local _54_
      do
        local tbl_15_auto = {}
        local i_16_auto = #tbl_15_auto
        for _, c in ipairs(cs) do
          local val_17_auto = tostring(c)
          if (nil ~= val_17_auto) then
            i_16_auto = (i_16_auto + 1)
            do end (tbl_15_auto)[i_16_auto] = val_17_auto
          else
          end
        end
        _54_ = tbl_15_auto
      end
      return (table.concat(_54_, ("\n" .. string.rep(" ", indent))) .. ("\n" .. string.rep(" ", indent)) .. x)
    else
      return x
    end
  end
  local function shorthand_pair_3f(k, v)
    return (("string" == type(k)) and fennel["sym?"](v) and (k == tostring(v)))
  end
  local function view_pair(t, view, inspector, indent, mt, key)
    local val = t[key]
    local k
    if shorthand_pair_3f(key, val) then
      k = ":"
    else
      k = view(key, inspector, (indent + 1), true)
    end
    local v = view(val, inspector, (indent + slength(k) + 1))
    local function _59_()
      local t_58_ = mt
      if (nil ~= t_58_) then
        t_58_ = (t_58_).comments
      else
      end
      if (nil ~= t_58_) then
        t_58_ = (t_58_).keys
      else
      end
      if (nil ~= t_58_) then
        t_58_ = (t_58_)[key]
      else
      end
      return t_58_
    end
    local function _64_()
      local t_63_ = mt
      if (nil ~= t_63_) then
        t_63_ = (t_63_).comments
      else
      end
      if (nil ~= t_63_) then
        t_63_ = (t_63_).values
      else
      end
      if (nil ~= t_63_) then
        t_63_ = (t_63_)[val]
      else
      end
      return t_63_
    end
    return (maybe_attach_comment(k, indent, _59_()) .. " " .. maybe_attach_comment(v, indent, _64_()))
  end
  local function view_multiline_kv(pair_strs, indent, last_comments)
    if (last_comments and (0 < #last_comments)) then
      for _, c in ipairs(last_comments) do
        table.insert(pair_strs, tostring(c))
      end
      table.insert(pair_strs, "}")
      return ("{" .. table.concat(pair_strs, ("\n" .. string.rep(" ", indent))))
    else
      return ("{" .. table.concat(pair_strs, ("\n" .. string.rep(" ", indent))) .. "}")
    end
  end
  local function view_kv(t, view, inspector, indent)
    local indent0 = (indent + 1)
    local mt = getmetatable(t)
    local keys
    local function _69_()
      local tbl_15_auto = {}
      local i_16_auto = #tbl_15_auto
      for k in pairs(t) do
        local val_17_auto = k
        if (nil ~= val_17_auto) then
          i_16_auto = (i_16_auto + 1)
          do end (tbl_15_auto)[i_16_auto] = val_17_auto
        else
        end
      end
      return tbl_15_auto
    end
    keys = (mt.keys or _69_())
    local pair_strs
    do
      local tbl_15_auto = {}
      local i_16_auto = #tbl_15_auto
      for _, k in ipairs(keys) do
        local val_17_auto = view_pair(t, view, inspector, indent0, mt, k)
        if (nil ~= val_17_auto) then
          i_16_auto = (i_16_auto + 1)
          do end (tbl_15_auto)[i_16_auto] = val_17_auto
        else
        end
      end
      pair_strs = tbl_15_auto
    end
    local oneline = ("{" .. table.concat(pair_strs, " ") .. "}")
    local function _72_()
      local t_73_ = mt
      if (nil ~= t_73_) then
        t_73_ = (t_73_).comments
      else
      end
      if (nil ~= t_73_) then
        t_73_ = (t_73_).last
      else
      end
      if (nil ~= t_73_) then
        t_73_ = (t_73_)[1]
      else
      end
      return t_73_
    end
    if (oneline:match("\n") or _72_() or ((indent0 + #oneline) > inspector["line-length"])) then
      local function _78_()
        local t_77_ = mt
        if (nil ~= t_77_) then
          t_77_ = (t_77_).comments
        else
        end
        if (nil ~= t_77_) then
          t_77_ = (t_77_).last
        else
        end
        return t_77_
      end
      return view_multiline_kv(pair_strs, indent0, _78_())
    else
      return oneline
    end
  end
  local function walk_tree(root, f, custom_iterator)
    local function walk(iterfn, parent, idx, node)
      if f(idx, node, parent) then
        for k, v in iterfn(node) do
          walk(iterfn, node, k, v)
        end
        return nil
      else
        return nil
      end
    end
    walk((custom_iterator or pairs), nil, nil, root)
    return root
  end
  local function set_fennelview_metamethod(idx, form, parent)
    if (("table" == type(form)) and not fennel["sym?"](form) and not fennel["comment?"](form) and not fennel["varg?"](form)) then
      if (not fennel["list?"](form) and not fennel["sequence?"](form)) then
        local _83_ = getmetatable(form)
        if (nil ~= _83_) then
          local mt = _83_
          mt["__fennelview"] = view_kv
        elseif true then
          local _ = _83_
          setmetatable(form, {__fennelview = view_kv})
        else
        end
      else
      end
      return true
    else
      return nil
    end
  end
  local function prefer_colon_3f(s)
    return (s:find("^[-%w?^_!$%&*+./|<=>]+$") and not s:find("^[-?^_!$%&*+./@|<=>%\\]+$"))
  end
  local function fnlfmt(ast)
    local _let_87_ = getmetatable(fennel.list())
    local list_mt = _let_87_
    local __fennelview = _let_87_["__fennelview"]
    local _
    list_mt.__fennelview = view_list
    _ = nil
    local _0 = walk_tree(ast, set_fennelview_metamethod)
    local ok_3f, val = pcall(fennel.view, ast, {["empty-as-sequence?"] = true, ["escape-newlines?"] = true, ["prefer-colon?"] = prefer_colon_3f})
    list_mt.__fennelview = __fennelview
    assert(ok_3f, val)
    return val
  end
  local function space_out_forms_3f(prev_ast, ast)
    return not (prev_ast.line and ast.line and (1 == (ast.line - prev_ast.line)))
  end
  local function format_file(filename, _88_)
    local _arg_89_ = _88_
    local no_comments = _arg_89_["no-comments"]
    local f
    do
      local _90_ = filename
      if (_90_ == "-") then
        f = io.stdin
      elseif true then
        local _ = _90_
        f = assert(io.open(filename, "r"), "File not found.")
      else
        f = nil
      end
    end
    local contents = f:read("*all")
    local parser = fennel.parser(fennel.stringStream(contents), filename, {comments = not no_comments})
    local out = {}
    f:close()
    local skip_next_3f, prev_ast = false
    for ok_3f, ast in parser do
      assert(ok_3f, ast)
      if (skip_next_3f and ast.bytestart and ast.byteend) then
        table.insert(out, contents:sub(ast.bytestart, ast.byteend))
        skip_next_3f = false
      elseif (fennel.comment(";; fnlfmt: skip") == ast) then
        skip_next_3f = true
        table.insert(out, "")
        table.insert(out, tostring(ast))
      else
        if (prev_ast and space_out_forms_3f(prev_ast, ast)) then
          table.insert(out, "")
        else
        end
        table.insert(out, fnlfmt(ast))
        skip_next_3f = false
      end
      prev_ast = ast
    end
    table.insert(out, "")
    return table.concat(out, "\n")
  end
  return {fnlfmt = fnlfmt, ["format-file"] = format_file, version = "0.2.3"}
end
local fennel
package.preload["fennel"] = package.preload["fennel"] or function(...)
  package.preload["fennel.repl"] = package.preload["fennel.repl"] or function(...)
    local utils = require("fennel.utils")
    local parser = require("fennel.parser")
    local compiler = require("fennel.compiler")
    local specials = require("fennel.specials")
    local view = require("fennel.view")
    local unpack = (table.unpack or _G.unpack)
    local function default_read_chunk(parser_state)
      local function _565_()
        if (0 < parser_state["stack-size"]) then
          return ".."
        else
          return ">> "
        end
      end
      io.write(_565_())
      io.flush()
      local input = io.read()
      return (input and (input .. "\n"))
    end
    local function default_on_values(xs)
      io.write(table.concat(xs, "\9"))
      return io.write("\n")
    end
    local function default_on_error(errtype, err, lua_source)
      local function _567_()
        local _566_ = errtype
        if (_566_ == "Lua Compile") then
          return ("Bad code generated - likely a bug with the compiler:\n" .. "--- Generated Lua Start ---\n" .. lua_source .. "--- Generated Lua End ---\n")
        elseif (_566_ == "Runtime") then
          return (compiler.traceback(tostring(err), 4) .. "\n")
        elseif true then
          local _ = _566_
          return ("%s error: %s\n"):format(errtype, tostring(err))
        else
          return nil
        end
      end
      return io.write(_567_())
    end
    local save_source = table.concat({"local ___i___ = 1", "while true do", " local name, value = debug.getlocal(1, ___i___)", " if(name and name ~= \"___i___\") then", " ___replLocals___[name] = value", " ___i___ = ___i___ + 1", " else break end end"}, "\n")
    local function splice_save_locals(env, lua_source)
      local spliced_source = {}
      local bind = "local %s = ___replLocals___['%s']"
      for line in lua_source:gmatch("([^\n]+)\n?") do
        table.insert(spliced_source, line)
      end
      for name in pairs(env.___replLocals___) do
        table.insert(spliced_source, 1, bind:format(name, name))
      end
      if ((1 < #spliced_source) and (spliced_source[#spliced_source]):match("^ *return .*$")) then
        table.insert(spliced_source, #spliced_source, save_source)
      else
      end
      return table.concat(spliced_source, "\n")
    end
    local function completer(env, scope, text)
      local max_items = 2000
      local seen = {}
      local matches = {}
      local input_fragment = text:gsub(".*[%s)(]+", "")
      local stop_looking_3f = false
      local function add_partials(input, tbl, prefix)
        local scope_first_3f = ((tbl == env) or (tbl == env.___replLocals___))
        local tbl_14_auto = matches
        local i_15_auto = #tbl_14_auto
        local function _570_()
          if scope_first_3f then
            return scope.manglings
          else
            return tbl
          end
        end
        for k, is_mangled in utils.allpairs(_570_()) do
          if (max_items <= #matches) then break end
          local val_16_auto
          do
            local lookup_k
            if scope_first_3f then
              lookup_k = is_mangled
            else
              lookup_k = k
            end
            if ((type(k) == "string") and (input == k:sub(0, #input)) and not seen[k] and ((":" ~= prefix:sub(-1)) or ("function" == type(tbl[lookup_k])))) then
              seen[k] = true
              val_16_auto = (prefix .. k)
            else
              val_16_auto = nil
            end
          end
          if (nil ~= val_16_auto) then
            i_15_auto = (i_15_auto + 1)
            do end (tbl_14_auto)[i_15_auto] = val_16_auto
          else
          end
        end
        return tbl_14_auto
      end
      local function descend(input, tbl, prefix, add_matches, method_3f)
        local splitter
        if method_3f then
          splitter = "^([^:]+):(.*)"
        else
          splitter = "^([^.]+)%.(.*)"
        end
        local head, tail = input:match(splitter)
        local raw_head = (scope.manglings[head] or head)
        if (type(tbl[raw_head]) == "table") then
          stop_looking_3f = true
          if method_3f then
            return add_partials(tail, tbl[raw_head], (prefix .. head .. ":"))
          else
            return add_matches(tail, tbl[raw_head], (prefix .. head))
          end
        else
          return nil
        end
      end
      local function add_matches(input, tbl, prefix)
        local prefix0
        if prefix then
          prefix0 = (prefix .. ".")
        else
          prefix0 = ""
        end
        if (not input:find("%.") and input:find(":")) then
          return descend(input, tbl, prefix0, add_matches, true)
        elseif not input:find("%.") then
          return add_partials(input, tbl, prefix0)
        else
          return descend(input, tbl, prefix0, add_matches, false)
        end
      end
      for _, source in ipairs({scope.specials, scope.macros, (env.___replLocals___ or {}), env, env._G}) do
        if stop_looking_3f then break end
        add_matches(input_fragment, source)
      end
      return matches
    end
    local commands = {}
    local function command_3f(input)
      return input:match("^%s*,")
    end
    local function command_docs()
      local _579_
      do
        local tbl_14_auto = {}
        local i_15_auto = #tbl_14_auto
        for name, f in pairs(commands) do
          local val_16_auto = ("  ,%s - %s"):format(name, ((compiler.metadata):get(f, "fnl/docstring") or "undocumented"))
          if (nil ~= val_16_auto) then
            i_15_auto = (i_15_auto + 1)
            do end (tbl_14_auto)[i_15_auto] = val_16_auto
          else
          end
        end
        _579_ = tbl_14_auto
      end
      return table.concat(_579_, "\n")
    end
    commands.help = function(_, _0, on_values)
      return on_values({("Welcome to Fennel.\nThis is the REPL where you can enter code to be evaluated.\nYou can also run these repl commands:\n\n" .. command_docs() .. "\n  ,exit - Leave the repl.\n\nUse ,doc something to see descriptions for individual macros and special forms.\n\nFor more information about the language, see https://fennel-lang.org/reference")})
    end
    do end (compiler.metadata):set(commands.help, "fnl/docstring", "Show this message.")
    local function reload(module_name, env, on_values, on_error)
      local _581_, _582_ = pcall(specials["load-code"]("return require(...)", env), module_name)
      if ((_581_ == true) and (nil ~= _582_)) then
        local old = _582_
        local _
        package.loaded[module_name] = nil
        _ = nil
        local ok, new = pcall(require, module_name)
        local new0
        if not ok then
          on_values({new})
          new0 = old
        else
          new0 = new
        end
        specials["macro-loaded"][module_name] = nil
        if ((type(old) == "table") and (type(new0) == "table")) then
          for k, v in pairs(new0) do
            old[k] = v
          end
          for k in pairs(old) do
            if (nil == (new0)[k]) then
              old[k] = nil
            else
            end
          end
          package.loaded[module_name] = old
        else
        end
        return on_values({"ok"})
      elseif ((_581_ == false) and (nil ~= _582_)) then
        local msg = _582_
        if (specials["macro-loaded"])[module_name] then
          specials["macro-loaded"][module_name] = nil
          return nil
        else
          local function _587_()
            local _586_ = msg:gsub("\n.*", "")
            return _586_
          end
          return on_error("Runtime", _587_())
        end
      else
        return nil
      end
    end
    local function run_command(read, on_error, f)
      local _590_, _591_, _592_ = pcall(read)
      if ((_590_ == true) and (_591_ == true) and (nil ~= _592_)) then
        local val = _592_
        return f(val)
      elseif (_590_ == false) then
        return on_error("Parse", "Couldn't parse input.")
      else
        return nil
      end
    end
    commands.reload = function(env, read, on_values, on_error)
      local function _594_(_241)
        return reload(tostring(_241), env, on_values, on_error)
      end
      return run_command(read, on_error, _594_)
    end
    do end (compiler.metadata):set(commands.reload, "fnl/docstring", "Reload the specified module.")
    commands.reset = function(env, _, on_values)
      env.___replLocals___ = {}
      return on_values({"ok"})
    end
    do end (compiler.metadata):set(commands.reset, "fnl/docstring", "Erase all repl-local scope.")
    commands.complete = function(env, read, on_values, on_error, scope, chars)
      local function _595_()
        return on_values(completer(env, scope, string.char(unpack(chars)):gsub(",complete +", ""):sub(1, -2)))
      end
      return run_command(read, on_error, _595_)
    end
    do end (compiler.metadata):set(commands.complete, "fnl/docstring", "Print all possible completions for a given input symbol.")
    local function apropos_2a(pattern, tbl, prefix, seen, names)
      for name, subtbl in pairs(tbl) do
        if (("string" == type(name)) and (package ~= subtbl)) then
          local _596_ = type(subtbl)
          if (_596_ == "function") then
            if ((prefix .. name)):match(pattern) then
              table.insert(names, (prefix .. name))
            else
            end
          elseif (_596_ == "table") then
            if not seen[subtbl] then
              local _599_
              do
                local _598_ = seen
                _598_[subtbl] = true
                _599_ = _598_
              end
              apropos_2a(pattern, subtbl, (prefix .. name:gsub("%.", "/") .. "."), _599_, names)
            else
            end
          else
          end
        else
        end
      end
      return names
    end
    local function apropos(pattern)
      local names = apropos_2a(pattern, package.loaded, "", {}, {})
      local tbl_14_auto = {}
      local i_15_auto = #tbl_14_auto
      for _, name in ipairs(names) do
        local val_16_auto = name:gsub("^_G%.", "")
        if (nil ~= val_16_auto) then
          i_15_auto = (i_15_auto + 1)
          do end (tbl_14_auto)[i_15_auto] = val_16_auto
        else
        end
      end
      return tbl_14_auto
    end
    commands.apropos = function(_env, read, on_values, on_error, _scope)
      local function _604_(_241)
        return on_values(apropos(tostring(_241)))
      end
      return run_command(read, on_error, _604_)
    end
    do end (compiler.metadata):set(commands.apropos, "fnl/docstring", "Print all functions matching a pattern in all loaded modules.")
    local function apropos_follow_path(path)
      local paths
      do
        local tbl_14_auto = {}
        local i_15_auto = #tbl_14_auto
        for p in path:gmatch("[^%.]+") do
          local val_16_auto = p
          if (nil ~= val_16_auto) then
            i_15_auto = (i_15_auto + 1)
            do end (tbl_14_auto)[i_15_auto] = val_16_auto
          else
          end
        end
        paths = tbl_14_auto
      end
      local tgt = package.loaded
      for _, path0 in ipairs(paths) do
        if (nil == tgt) then break end
        local _607_
        do
          local _606_ = path0:gsub("%/", ".")
          _607_ = _606_
        end
        tgt = tgt[_607_]
      end
      return tgt
    end
    local function apropos_doc(pattern)
      local names = {}
      for _, path in ipairs(apropos(".*")) do
        local tgt = apropos_follow_path(path)
        if ("function" == type(tgt)) then
          local _608_ = (compiler.metadata):get(tgt, "fnl/docstring")
          if (nil ~= _608_) then
            local docstr = _608_
            if docstr:match(pattern) then
              table.insert(names, path)
            else
            end
          else
          end
        else
        end
      end
      return names
    end
    commands["apropos-doc"] = function(_env, read, on_values, on_error, _scope)
      local function _612_(_241)
        return on_values(apropos_doc(tostring(_241)))
      end
      return run_command(read, on_error, _612_)
    end
    do end (compiler.metadata):set(commands["apropos-doc"], "fnl/docstring", "Print all functions that match the pattern in their docs")
    local function apropos_show_docs(on_values, pattern)
      for _, path in ipairs(apropos(pattern)) do
        local tgt = apropos_follow_path(path)
        if (("function" == type(tgt)) and (compiler.metadata):get(tgt, "fnl/docstring")) then
          on_values(specials.doc(tgt, path))
          on_values()
        else
        end
      end
      return nil
    end
    commands["apropos-show-docs"] = function(_env, read, on_values, on_error)
      local function _614_(_241)
        return apropos_show_docs(on_values, tostring(_241))
      end
      return run_command(read, on_error, _614_)
    end
    do end (compiler.metadata):set(commands["apropos-show-docs"], "fnl/docstring", "Print all documentations matching a pattern in function name")
    local function resolve(identifier, _615_, scope)
      local _arg_616_ = _615_
      local ___replLocals___ = _arg_616_["___replLocals___"]
      local env = _arg_616_
      local e
      local function _617_(_241, _242)
        return (___replLocals___[_242] or env[_242])
      end
      e = setmetatable({}, {__index = _617_})
      local _618_, _619_ = pcall(compiler["compile-string"], tostring(identifier), {scope = scope})
      if ((_618_ == true) and (nil ~= _619_)) then
        local code = _619_
        local _620_ = specials["load-code"](code, e)()
        local function _621_()
          local x = _620_
          return (type(x) == "function")
        end
        if ((nil ~= _620_) and _621_()) then
          local x = _620_
          return x
        else
          return nil
        end
      else
        return nil
      end
    end
    commands.find = function(env, read, on_values, on_error, scope)
      local function _624_(_241)
        local _625_
        do
          local _626_ = utils["sym?"](_241)
          if (nil ~= _626_) then
            local _627_ = resolve(_626_, env, scope)
            if (nil ~= _627_) then
              _625_ = debug.getinfo(_627_)
            else
              _625_ = _627_
            end
          else
            _625_ = _626_
          end
        end
        if ((_G.type(_625_) == "table") and (nil ~= (_625_).source) and ((_625_).what == "Lua") and (nil ~= (_625_).linedefined) and (nil ~= (_625_).short_src)) then
          local source = (_625_).source
          local line = (_625_).linedefined
          local src = (_625_).short_src
          local fnlsrc
          do
            local t_630_ = compiler.sourcemap
            if (nil ~= t_630_) then
              t_630_ = (t_630_)[source]
            else
            end
            if (nil ~= t_630_) then
              t_630_ = (t_630_)[line]
            else
            end
            if (nil ~= t_630_) then
              t_630_ = (t_630_)[2]
            else
            end
            fnlsrc = t_630_
          end
          return on_values({string.format("%s:%s", src, (fnlsrc or line))})
        elseif (_625_ == nil) then
          return on_error("Repl", "Unknown value")
        elseif true then
          local _ = _625_
          return on_error("Repl", "No source info")
        else
          return nil
        end
      end
      return run_command(read, on_error, _624_)
    end
    do end (compiler.metadata):set(commands.find, "fnl/docstring", "Print the filename and line number for a given function")
    commands.doc = function(env, read, on_values, on_error, scope)
      local function _635_(_241)
        local name = tostring(_241)
        local is_ok, target = nil, nil
        local function _636_()
          return (scope.specials[name] or scope.macros[name] or resolve(name, env, scope))
        end
        is_ok, target = pcall(_636_)
        if is_ok then
          return on_values({specials.doc(target, name)})
        else
          return on_error("Repl", "Could not resolve value for docstring lookup")
        end
      end
      return run_command(read, on_error, _635_)
    end
    do end (compiler.metadata):set(commands.doc, "fnl/docstring", "Print the docstring and arglist for a function, macro, or special form.")
    local function load_plugin_commands(plugins)
      for _, plugin in ipairs((plugins or {})) do
        for name, f in pairs(plugin) do
          local _638_ = name:match("^repl%-command%-(.*)")
          if (nil ~= _638_) then
            local cmd_name = _638_
            commands[cmd_name] = (commands[cmd_name] or f)
          else
          end
        end
      end
      return nil
    end
    local function run_command_loop(input, read, loop, env, on_values, on_error, scope, chars)
      local command_name = input:match(",([^%s/]+)")
      do
        local _640_ = commands[command_name]
        if (nil ~= _640_) then
          local command = _640_
          command(env, read, on_values, on_error, scope, chars)
        elseif true then
          local _ = _640_
          if ("exit" ~= command_name) then
            on_values({"Unknown command", command_name})
          else
          end
        else
        end
      end
      if ("exit" ~= command_name) then
        return loop()
      else
        return nil
      end
    end
    local function try_readline_21(opts, ok, readline)
      if ok then
        if readline.set_readline_name then
          readline.set_readline_name("fennel")
        else
        end
        readline.set_options({keeplines = 1000, histfile = ""})
        opts.readChunk = function(parser_state)
          local prompt
          if (0 < parser_state["stack-size"]) then
            prompt = ".. "
          else
            prompt = ">> "
          end
          local str = readline.readline(prompt)
          if str then
            return (str .. "\n")
          else
            return nil
          end
        end
        local completer0 = nil
        opts.registerCompleter = function(repl_completer)
          completer0 = repl_completer
          return nil
        end
        local function repl_completer(text, from, to)
          if completer0 then
            readline.set_completion_append_character("")
            return completer0(text:sub(from, to))
          else
            return {}
          end
        end
        readline.set_complete_function(repl_completer)
        return readline
      else
        return nil
      end
    end
    local function should_use_readline_3f(opts)
      return (("dumb" ~= os.getenv("TERM")) and not opts.readChunk and not opts.registerCompleter)
    end
    local function repl(_3foptions)
      local old_root_options = utils.root.options
      local opts = ((_3foptions and utils.copy(_3foptions)) or {})
      local readline = (should_use_readline_3f(opts) and try_readline_21(opts, pcall(require, "readline")))
      local env = specials["wrap-env"]((opts.env or rawget(_G, "_ENV") or _G))
      local save_locals_3f = ((opts.saveLocals ~= false) and env.debug and env.debug.getlocal)
      local read_chunk = (opts.readChunk or default_read_chunk)
      local on_values = (opts.onValues or default_on_values)
      local on_error = (opts.onError or default_on_error)
      local pp = (opts.pp or view)
      local byte_stream, clear_stream = parser.granulate(read_chunk)
      local chars = {}
      local read, reset = nil, nil
      local function _649_(parser_state)
        local c = byte_stream(parser_state)
        table.insert(chars, c)
        return c
      end
      read, reset = parser.parser(_649_)
      opts.env, opts.scope = env, compiler["make-scope"]()
      opts.useMetadata = (opts.useMetadata ~= false)
      if (opts.allowedGlobals == nil) then
        opts.allowedGlobals = specials["current-global-names"](env)
      else
      end
      if opts.registerCompleter then
        local function _653_()
          local _651_ = env
          local _652_ = opts.scope
          local function _654_(...)
            return completer(_651_, _652_, ...)
          end
          return _654_
        end
        opts.registerCompleter(_653_())
      else
      end
      load_plugin_commands(opts.plugins)
      if save_locals_3f then
        local function newindex(t, k, v)
          if opts.scope.unmanglings[k] then
            return rawset(t, k, v)
          else
            return nil
          end
        end
        env.___replLocals___ = setmetatable({}, {__newindex = newindex})
      else
      end
      local function print_values(...)
        local vals = {...}
        local out = {}
        env._, env.__ = vals[1], vals
        for i = 1, select("#", ...) do
          table.insert(out, pp(vals[i]))
        end
        return on_values(out)
      end
      local function loop()
        for k in pairs(chars) do
          chars[k] = nil
        end
        reset()
        local ok, not_eof_3f, x = pcall(read)
        local src_string = string.char(unpack(chars))
        if not ok then
          on_error("Parse", __fnl_global__parse_2dok_3f)
          clear_stream()
          return loop()
        elseif command_3f(src_string) then
          return run_command_loop(src_string, read, loop, env, on_values, on_error, opts.scope, chars)
        else
          if not_eof_3f then
            do
              local _658_, _659_ = nil, nil
              local function _661_()
                local _660_ = opts
                _660_["source"] = src_string
                return _660_
              end
              _658_, _659_ = pcall(compiler.compile, x, _661_())
              if ((_658_ == false) and (nil ~= _659_)) then
                local msg = _659_
                clear_stream()
                on_error("Compile", msg)
              elseif ((_658_ == true) and (nil ~= _659_)) then
                local src = _659_
                local src0
                if save_locals_3f then
                  src0 = splice_save_locals(env, src, opts.scope)
                else
                  src0 = src
                end
                local _663_, _664_ = pcall(specials["load-code"], src0, env)
                if ((_663_ == false) and (nil ~= _664_)) then
                  local msg = _664_
                  clear_stream()
                  on_error("Lua Compile", msg, src0)
                elseif (true and (nil ~= _664_)) then
                  local _ = _663_
                  local chunk = _664_
                  local function _665_()
                    return print_values(chunk())
                  end
                  local function _666_()
                    local function _667_(...)
                      return on_error("Runtime", ...)
                    end
                    return _667_
                  end
                  xpcall(_665_, _666_())
                else
                end
              else
              end
            end
            utils.root.options = old_root_options
            return loop()
          else
            return nil
          end
        end
      end
      loop()
      if readline then
        return readline.save_history()
      else
        return nil
      end
    end
    return repl
  end
  package.preload["fennel.specials"] = package.preload["fennel.specials"] or function(...)
    local utils = require("fennel.utils")
    local view = require("fennel.view")
    local parser = require("fennel.parser")
    local compiler = require("fennel.compiler")
    local unpack = (table.unpack or _G.unpack)
    local SPECIALS = compiler.scopes.global.specials
    local function wrap_env(env)
      local function _364_(_, key)
        if utils["string?"](key) then
          return env[compiler["global-unmangling"](key)]
        else
          return env[key]
        end
      end
      local function _366_(_, key, value)
        if utils["string?"](key) then
          env[compiler["global-unmangling"](key)] = value
          return nil
        else
          env[key] = value
          return nil
        end
      end
      local function _368_()
        local function putenv(k, v)
          local _369_
          if utils["string?"](k) then
            _369_ = compiler["global-unmangling"](k)
          else
            _369_ = k
          end
          return _369_, v
        end
        return next, utils.kvmap(env, putenv), nil
      end
      return setmetatable({}, {__index = _364_, __newindex = _366_, __pairs = _368_})
    end
    local function current_global_names(_3fenv)
      local mt
      do
        local _371_ = getmetatable(_3fenv)
        if ((_G.type(_371_) == "table") and (nil ~= (_371_).__pairs)) then
          local mtpairs = (_371_).__pairs
          local tbl_11_auto = {}
          for k, v in mtpairs(_3fenv) do
            local _372_, _373_ = k, v
            if ((nil ~= _372_) and (nil ~= _373_)) then
              local k_12_auto = _372_
              local v_13_auto = _373_
              tbl_11_auto[k_12_auto] = v_13_auto
            else
            end
          end
          mt = tbl_11_auto
        elseif (_371_ == nil) then
          mt = (_3fenv or _G)
        else
          mt = nil
        end
      end
      return (mt and utils.kvmap(mt, compiler["global-unmangling"]))
    end
    local function load_code(code, _3fenv, _3ffilename)
      local env = (_3fenv or rawget(_G, "_ENV") or _G)
      if (rawget(_G, "setfenv") and rawget(_G, "loadstring")) then
        local f = assert(_G.loadstring(code, _3ffilename))
        local _376_ = f
        setfenv(_376_, env)
        return _376_
      else
        return assert(load(code, _3ffilename, "t", env))
      end
    end
    local function doc_2a(tgt, name)
      if not tgt then
        return (name .. " not found")
      else
        local docstring = (((compiler.metadata):get(tgt, "fnl/docstring") or "#<undocumented>")):gsub("\n$", ""):gsub("\n", "\n  ")
        local mt = getmetatable(tgt)
        if ((type(tgt) == "function") or ((type(mt) == "table") and (type(mt.__call) == "function"))) then
          local arglist = table.concat(((compiler.metadata):get(tgt, "fnl/arglist") or {"#<unknown-arguments>"}), " ")
          local _378_
          if (#arglist > 0) then
            _378_ = " "
          else
            _378_ = ""
          end
          return string.format("(%s%s%s)\n  %s", name, _378_, arglist, docstring)
        else
          return string.format("%s\n  %s", name, docstring)
        end
      end
    end
    local function doc_special(name, arglist, docstring, body_form_3f)
      compiler.metadata[SPECIALS[name]] = {["fnl/arglist"] = arglist, ["fnl/docstring"] = docstring, ["fnl/body-form?"] = body_form_3f}
      return nil
    end
    local function compile_do(ast, scope, parent, _3fstart)
      local start = (_3fstart or 2)
      local len = #ast
      local sub_scope = compiler["make-scope"](scope)
      for i = start, len do
        compiler.compile1(ast[i], sub_scope, parent, {nval = 0})
      end
      return nil
    end
    SPECIALS["do"] = function(ast, scope, parent, opts, _3fstart, _3fchunk, _3fsub_scope, _3fpre_syms)
      local start = (_3fstart or 2)
      local sub_scope = (_3fsub_scope or compiler["make-scope"](scope))
      local chunk = (_3fchunk or {})
      local len = #ast
      local retexprs = {returned = true}
      local function compile_body(outer_target, outer_tail, outer_retexprs)
        if (len < start) then
          compiler.compile1(nil, sub_scope, chunk, {tail = outer_tail, target = outer_target})
        else
          for i = start, len do
            local subopts = {nval = (((i ~= len) and 0) or opts.nval), tail = (((i == len) and outer_tail) or nil), target = (((i == len) and outer_target) or nil)}
            local _ = utils["propagate-options"](opts, subopts)
            local subexprs = compiler.compile1(ast[i], sub_scope, chunk, subopts)
            if (i ~= len) then
              compiler["keep-side-effects"](subexprs, parent, nil, ast[i])
            else
            end
          end
        end
        compiler.emit(parent, chunk, ast)
        compiler.emit(parent, "end", ast)
        utils.hook("do", ast, sub_scope)
        return (outer_retexprs or retexprs)
      end
      if (opts.target or (opts.nval == 0) or opts.tail) then
        compiler.emit(parent, "do", ast)
        return compile_body(opts.target, opts.tail)
      elseif opts.nval then
        local syms = {}
        for i = 1, opts.nval do
          local s = ((_3fpre_syms and (_3fpre_syms)[i]) or compiler.gensym(scope))
          do end (syms)[i] = s
          retexprs[i] = utils.expr(s, "sym")
        end
        local outer_target = table.concat(syms, ", ")
        compiler.emit(parent, string.format("local %s", outer_target), ast)
        compiler.emit(parent, "do", ast)
        return compile_body(outer_target, opts.tail)
      else
        local fname = compiler.gensym(scope)
        local fargs
        if scope.vararg then
          fargs = "..."
        else
          fargs = ""
        end
        compiler.emit(parent, string.format("local function %s(%s)", fname, fargs), ast)
        return compile_body(nil, true, utils.expr((fname .. "(" .. fargs .. ")"), "statement"))
      end
    end
    doc_special("do", {"..."}, "Evaluate multiple forms; return last value.", true)
    SPECIALS.values = function(ast, scope, parent)
      local len = #ast
      local exprs = {}
      for i = 2, len do
        local subexprs = compiler.compile1(ast[i], scope, parent, {nval = ((i ~= len) and 1)})
        table.insert(exprs, subexprs[1])
        if (i == len) then
          for j = 2, #subexprs do
            table.insert(exprs, subexprs[j])
          end
        else
        end
      end
      return exprs
    end
    doc_special("values", {"..."}, "Return multiple values from a function. Must be in tail position.")
    local function deep_tostring(x, key_3f)
      if utils["sequence?"](x) then
        local _387_
        do
          local tbl_14_auto = {}
          local i_15_auto = #tbl_14_auto
          for _, v in ipairs(x) do
            local val_16_auto = deep_tostring(v)
            if (nil ~= val_16_auto) then
              i_15_auto = (i_15_auto + 1)
              do end (tbl_14_auto)[i_15_auto] = val_16_auto
            else
            end
          end
          _387_ = tbl_14_auto
        end
        return ("[" .. table.concat(_387_, " ") .. "]")
      elseif utils["table?"](x) then
        local _389_
        do
          local tbl_14_auto = {}
          local i_15_auto = #tbl_14_auto
          for k, v in pairs(x) do
            local val_16_auto = (deep_tostring(k, true) .. " " .. deep_tostring(v))
            if (nil ~= val_16_auto) then
              i_15_auto = (i_15_auto + 1)
              do end (tbl_14_auto)[i_15_auto] = val_16_auto
            else
            end
          end
          _389_ = tbl_14_auto
        end
        return ("{" .. table.concat(_389_, " ") .. "}")
      elseif (key_3f and utils["string?"](x) and x:find("^[-%w?\\^_!$%&*+./@:|<=>]+$")) then
        return (":" .. x)
      elseif utils["string?"](x) then
        return string.format("%q", x):gsub("\\\"", "\\\\\""):gsub("\"", "\\\"")
      else
        return tostring(x)
      end
    end
    local function set_fn_metadata(arg_list, docstring, parent, fn_name)
      if utils.root.options.useMetadata then
        local args
        local function _392_(_241)
          return ("\"%s\""):format(deep_tostring(_241))
        end
        args = utils.map(arg_list, _392_)
        local meta_fields = {"\"fnl/arglist\"", ("{" .. table.concat(args, ", ") .. "}")}
        if docstring then
          table.insert(meta_fields, "\"fnl/docstring\"")
          table.insert(meta_fields, ("\"" .. docstring:gsub("%s+$", ""):gsub("\\", "\\\\"):gsub("\n", "\\n"):gsub("\"", "\\\"") .. "\""))
        else
        end
        local meta_str = ("require(\"%s\").metadata"):format((utils.root.options.moduleName or "fennel"))
        return compiler.emit(parent, ("pcall(function() %s:setall(%s, %s) end)"):format(meta_str, fn_name, table.concat(meta_fields, ", ")))
      else
        return nil
      end
    end
    local function get_fn_name(ast, scope, fn_name, multi)
      if (fn_name and (fn_name[1] ~= "nil")) then
        local _395_
        if not multi then
          _395_ = compiler["declare-local"](fn_name, {}, scope, ast)
        else
          _395_ = (compiler["symbol-to-expression"](fn_name, scope))[1]
        end
        return _395_, not multi, 3
      else
        return nil, true, 2
      end
    end
    local function compile_named_fn(ast, f_scope, f_chunk, parent, index, fn_name, local_3f, arg_name_list, f_metadata)
      for i = (index + 1), #ast do
        compiler.compile1(ast[i], f_scope, f_chunk, {nval = (((i ~= #ast) and 0) or nil), tail = (i == #ast)})
      end
      local _398_
      if local_3f then
        _398_ = "local function %s(%s)"
      else
        _398_ = "%s = function(%s)"
      end
      compiler.emit(parent, string.format(_398_, fn_name, table.concat(arg_name_list, ", ")), ast)
      compiler.emit(parent, f_chunk, ast)
      compiler.emit(parent, "end", ast)
      set_fn_metadata(f_metadata["fnl/arglist"], f_metadata["fnl/docstring"], parent, fn_name)
      utils.hook("fn", ast, f_scope)
      return utils.expr(fn_name, "sym")
    end
    local function compile_anonymous_fn(ast, f_scope, f_chunk, parent, index, arg_name_list, f_metadata, scope)
      local fn_name = compiler.gensym(scope)
      return compile_named_fn(ast, f_scope, f_chunk, parent, index, fn_name, true, arg_name_list, f_metadata)
    end
    local function get_function_metadata(ast, arg_list, index)
      local f_metadata = {["fnl/arglist"] = arg_list}
      local index_2a = (index + 1)
      local expr = ast[index_2a]
      if (utils["string?"](expr) and (index_2a < #ast)) then
        local _401_
        do
          local _400_ = f_metadata
          _400_["fnl/docstring"] = expr
          _401_ = _400_
        end
        return _401_, index_2a
      elseif (utils["table?"](expr) and (index_2a < #ast)) then
        local _402_
        do
          local tbl_11_auto = f_metadata
          for k, v in pairs(expr) do
            local _403_, _404_ = k, v
            if ((nil ~= _403_) and (nil ~= _404_)) then
              local k_12_auto = _403_
              local v_13_auto = _404_
              tbl_11_auto[k_12_auto] = v_13_auto
            else
            end
          end
          _402_ = tbl_11_auto
        end
        return _402_, index_2a
      else
        return f_metadata, index
      end
    end
    SPECIALS.fn = function(ast, scope, parent)
      local f_scope
      do
        local _407_ = compiler["make-scope"](scope)
        do end (_407_)["vararg"] = false
        f_scope = _407_
      end
      local f_chunk = {}
      local fn_sym = utils["sym?"](ast[2])
      local multi = (fn_sym and utils["multi-sym?"](fn_sym[1]))
      local fn_name, local_3f, index = get_fn_name(ast, scope, fn_sym, multi)
      local arg_list = compiler.assert(utils["table?"](ast[index]), "expected parameters table", ast)
      compiler.assert((not multi or not multi["multi-sym-method-call"]), ("unexpected multi symbol " .. tostring(fn_name)), fn_sym)
      local function get_arg_name(arg)
        if utils["varg?"](arg) then
          compiler.assert((arg == arg_list[#arg_list]), "expected vararg as last parameter", ast)
          f_scope.vararg = true
          return "..."
        elseif (utils["sym?"](arg) and (tostring(arg) ~= "nil") and not utils["multi-sym?"](tostring(arg))) then
          return compiler["declare-local"](arg, {}, f_scope, ast)
        elseif utils["table?"](arg) then
          local raw = utils.sym(compiler.gensym(scope))
          local declared = compiler["declare-local"](raw, {}, f_scope, ast)
          compiler.destructure(arg, raw, ast, f_scope, f_chunk, {declaration = true, nomulti = true, symtype = "arg"})
          return declared
        else
          return compiler.assert(false, ("expected symbol for function parameter: %s"):format(tostring(arg)), ast[index])
        end
      end
      local arg_name_list = utils.map(arg_list, get_arg_name)
      local f_metadata, index0 = get_function_metadata(ast, arg_list, index)
      if fn_name then
        return compile_named_fn(ast, f_scope, f_chunk, parent, index0, fn_name, local_3f, arg_name_list, f_metadata)
      else
        return compile_anonymous_fn(ast, f_scope, f_chunk, parent, index0, arg_name_list, f_metadata, scope)
      end
    end
    doc_special("fn", {"name?", "args", "docstring?", "..."}, "Function syntax. May optionally include a name and docstring or a metadata table.\nIf a name is provided, the function will be bound in the current scope.\nWhen called with the wrong number of args, excess args will be discarded\nand lacking args will be nil, use lambda for arity-checked functions.", true)
    SPECIALS.lua = function(ast, _, parent)
      compiler.assert(((#ast == 2) or (#ast == 3)), "expected 1 or 2 arguments", ast)
      local _411_
      do
        local _410_ = utils["sym?"](ast[2])
        if (nil ~= _410_) then
          _411_ = tostring(_410_)
        else
          _411_ = _410_
        end
      end
      if ("nil" ~= _411_) then
        table.insert(parent, {ast = ast, leaf = tostring(ast[2])})
      else
      end
      local _415_
      do
        local _414_ = utils["sym?"](ast[3])
        if (nil ~= _414_) then
          _415_ = tostring(_414_)
        else
          _415_ = _414_
        end
      end
      if ("nil" ~= _415_) then
        return tostring(ast[3])
      else
        return nil
      end
    end
    local function dot(ast, scope, parent)
      compiler.assert((1 < #ast), "expected table argument", ast)
      local len = #ast
      local _let_418_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
      local lhs = _let_418_[1]
      if (len == 2) then
        return tostring(lhs)
      else
        local indices = {}
        for i = 3, len do
          local index = ast[i]
          if (utils["string?"](index) and utils["valid-lua-identifier?"](index)) then
            table.insert(indices, ("." .. index))
          else
            local _let_419_ = compiler.compile1(index, scope, parent, {nval = 1})
            local index0 = _let_419_[1]
            table.insert(indices, ("[" .. tostring(index0) .. "]"))
          end
        end
        if (tostring(lhs):find("[{\"0-9]") or ("nil" == tostring(lhs))) then
          return ("(" .. tostring(lhs) .. ")" .. table.concat(indices))
        else
          return (tostring(lhs) .. table.concat(indices))
        end
      end
    end
    SPECIALS["."] = dot
    doc_special(".", {"tbl", "key1", "..."}, "Look up key1 in tbl table. If more args are provided, do a nested lookup.")
    SPECIALS.global = function(ast, scope, parent)
      compiler.assert((#ast == 3), "expected name and value", ast)
      compiler.destructure(ast[2], ast[3], ast, scope, parent, {forceglobal = true, nomulti = true, symtype = "global"})
      return nil
    end
    doc_special("global", {"name", "val"}, "Set name as a global with val.")
    SPECIALS.set = function(ast, scope, parent)
      compiler.assert((#ast == 3), "expected name and value", ast)
      compiler.destructure(ast[2], ast[3], ast, scope, parent, {noundef = true, symtype = "set"})
      return nil
    end
    doc_special("set", {"name", "val"}, "Set a local variable to a new value. Only works on locals using var.")
    local function set_forcibly_21_2a(ast, scope, parent)
      compiler.assert((#ast == 3), "expected name and value", ast)
      compiler.destructure(ast[2], ast[3], ast, scope, parent, {forceset = true, symtype = "set"})
      return nil
    end
    SPECIALS["set-forcibly!"] = set_forcibly_21_2a
    local function local_2a(ast, scope, parent)
      compiler.assert((#ast == 3), "expected name and value", ast)
      compiler.destructure(ast[2], ast[3], ast, scope, parent, {declaration = true, nomulti = true, symtype = "local"})
      return nil
    end
    SPECIALS["local"] = local_2a
    doc_special("local", {"name", "val"}, "Introduce new top-level immutable local.")
    SPECIALS.var = function(ast, scope, parent)
      compiler.assert((#ast == 3), "expected name and value", ast)
      compiler.destructure(ast[2], ast[3], ast, scope, parent, {declaration = true, isvar = true, nomulti = true, symtype = "var"})
      return nil
    end
    doc_special("var", {"name", "val"}, "Introduce new mutable local.")
    local function kv_3f(t)
      local _423_
      do
        local tbl_14_auto = {}
        local i_15_auto = #tbl_14_auto
        for k in pairs(t) do
          local val_16_auto
          if not ("number" == type(k)) then
            val_16_auto = k
          else
            val_16_auto = nil
          end
          if (nil ~= val_16_auto) then
            i_15_auto = (i_15_auto + 1)
            do end (tbl_14_auto)[i_15_auto] = val_16_auto
          else
          end
        end
        _423_ = tbl_14_auto
      end
      return (_423_)[1]
    end
    SPECIALS.let = function(ast, scope, parent, opts)
      local bindings = ast[2]
      local pre_syms = {}
      compiler.assert((utils["table?"](bindings) and not kv_3f(bindings)), "expected binding sequence", bindings)
      compiler.assert(((#bindings % 2) == 0), "expected even number of name/value bindings", ast[2])
      compiler.assert((#ast >= 3), "expected body expression", ast[1])
      for _ = 1, (opts.nval or 0) do
        table.insert(pre_syms, compiler.gensym(scope))
      end
      local sub_scope = compiler["make-scope"](scope)
      local sub_chunk = {}
      for i = 1, #bindings, 2 do
        compiler.destructure(bindings[i], bindings[(i + 1)], ast, sub_scope, sub_chunk, {declaration = true, nomulti = true, symtype = "let"})
      end
      return SPECIALS["do"](ast, scope, parent, opts, 3, sub_chunk, sub_scope, pre_syms)
    end
    doc_special("let", {"[name1 val1 ... nameN valN]", "..."}, "Introduces a new scope in which a given set of local bindings are used.", true)
    local function get_prev_line(parent)
      if ("table" == type(parent)) then
        return get_prev_line((parent.leaf or parent[#parent]))
      else
        return (parent or "")
      end
    end
    local function disambiguate_3f(rootstr, parent)
      local function _428_()
        local _427_ = get_prev_line(parent)
        if (nil ~= _427_) then
          local prev_line = _427_
          return prev_line:match("%)$")
        else
          return nil
        end
      end
      return (rootstr:match("^{") or _428_())
    end
    SPECIALS.tset = function(ast, scope, parent)
      compiler.assert((#ast > 3), "expected table, key, and value arguments", ast)
      local root = (compiler.compile1(ast[2], scope, parent, {nval = 1}))[1]
      local keys = {}
      for i = 3, (#ast - 1) do
        local _let_430_ = compiler.compile1(ast[i], scope, parent, {nval = 1})
        local key = _let_430_[1]
        table.insert(keys, tostring(key))
      end
      local value = (compiler.compile1(ast[#ast], scope, parent, {nval = 1}))[1]
      local rootstr = tostring(root)
      local fmtstr
      if disambiguate_3f(rootstr, parent) then
        fmtstr = "do end (%s)[%s] = %s"
      else
        fmtstr = "%s[%s] = %s"
      end
      return compiler.emit(parent, fmtstr:format(rootstr, table.concat(keys, "]["), tostring(value)), ast)
    end
    doc_special("tset", {"tbl", "key1", "...", "keyN", "val"}, "Set the value of a table field. Can take additional keys to set\nnested values, but all parents must contain an existing table.")
    local function calculate_target(scope, opts)
      if not (opts.tail or opts.target or opts.nval) then
        return "iife", true, nil
      elseif (opts.nval and (opts.nval ~= 0) and not opts.target) then
        local accum = {}
        local target_exprs = {}
        for i = 1, opts.nval do
          local s = compiler.gensym(scope)
          do end (accum)[i] = s
          target_exprs[i] = utils.expr(s, "sym")
        end
        return "target", opts.tail, table.concat(accum, ", "), target_exprs
      else
        return "none", opts.tail, opts.target
      end
    end
    local function if_2a(ast, scope, parent, opts)
      compiler.assert((2 < #ast), "expected condition and body", ast)
      local do_scope = compiler["make-scope"](scope)
      local branches = {}
      local wrapper, inner_tail, inner_target, target_exprs = calculate_target(scope, opts)
      local body_opts = {nval = opts.nval, tail = inner_tail, target = inner_target}
      local function compile_body(i)
        local chunk = {}
        local cscope = compiler["make-scope"](do_scope)
        compiler["keep-side-effects"](compiler.compile1(ast[i], cscope, chunk, body_opts), chunk, nil, ast[i])
        return {chunk = chunk, scope = cscope}
      end
      if (1 == (#ast % 2)) then
        table.insert(ast, utils.sym("nil"))
      else
      end
      for i = 2, (#ast - 1), 2 do
        local condchunk = {}
        local res = compiler.compile1(ast[i], do_scope, condchunk, {nval = 1})
        local cond = res[1]
        local branch = compile_body((i + 1))
        branch.cond = cond
        branch.condchunk = condchunk
        branch.nested = ((i ~= 2) and (next(condchunk, nil) == nil))
        table.insert(branches, branch)
      end
      local else_branch = compile_body(#ast)
      local s = compiler.gensym(scope)
      local buffer = {}
      local last_buffer = buffer
      for i = 1, #branches do
        local branch = branches[i]
        local fstr
        if not branch.nested then
          fstr = "if %s then"
        else
          fstr = "elseif %s then"
        end
        local cond = tostring(branch.cond)
        local cond_line = fstr:format(cond)
        if branch.nested then
          compiler.emit(last_buffer, branch.condchunk, ast)
        else
          for _, v in ipairs(branch.condchunk) do
            compiler.emit(last_buffer, v, ast)
          end
        end
        compiler.emit(last_buffer, cond_line, ast)
        compiler.emit(last_buffer, branch.chunk, ast)
        if (i == #branches) then
          compiler.emit(last_buffer, "else", ast)
          compiler.emit(last_buffer, else_branch.chunk, ast)
          compiler.emit(last_buffer, "end", ast)
        elseif not (branches[(i + 1)]).nested then
          local next_buffer = {}
          compiler.emit(last_buffer, "else", ast)
          compiler.emit(last_buffer, next_buffer, ast)
          compiler.emit(last_buffer, "end", ast)
          last_buffer = next_buffer
        else
        end
      end
      if (wrapper == "iife") then
        local iifeargs = ((scope.vararg and "...") or "")
        compiler.emit(parent, ("local function %s(%s)"):format(tostring(s), iifeargs), ast)
        compiler.emit(parent, buffer, ast)
        compiler.emit(parent, "end", ast)
        return utils.expr(("%s(%s)"):format(tostring(s), iifeargs), "statement")
      elseif (wrapper == "none") then
        for i = 1, #buffer do
          compiler.emit(parent, buffer[i], ast)
        end
        return {returned = true}
      else
        compiler.emit(parent, ("local %s"):format(inner_target), ast)
        for i = 1, #buffer do
          compiler.emit(parent, buffer[i], ast)
        end
        return target_exprs
      end
    end
    SPECIALS["if"] = if_2a
    doc_special("if", {"cond1", "body1", "...", "condN", "bodyN"}, "Conditional form.\nTakes any number of condition/body pairs and evaluates the first body where\nthe condition evaluates to truthy. Similar to cond in other lisps.")
    local function remove_until_condition(bindings)
      if ("until" == bindings[(#bindings - 1)]) then
        table.remove(bindings, (#bindings - 1))
        return table.remove(bindings)
      else
        return nil
      end
    end
    local function compile_until(condition, scope, chunk)
      if condition then
        local _let_439_ = compiler.compile1(condition, scope, chunk, {nval = 1})
        local condition_lua = _let_439_[1]
        return compiler.emit(chunk, ("if %s then break end"):format(tostring(condition_lua)), utils.expr(condition, "expression"))
      else
        return nil
      end
    end
    SPECIALS.each = function(ast, scope, parent)
      compiler.assert((#ast >= 3), "expected body expression", ast[1])
      local binding = compiler.assert(utils["table?"](ast[2]), "expected binding table", ast)
      local _ = compiler.assert((2 <= #binding), "expected binding and iterator", binding)
      local until_condition = remove_until_condition(binding)
      local iter = table.remove(binding, #binding)
      local destructures = {}
      local new_manglings = {}
      local sub_scope = compiler["make-scope"](scope)
      local function destructure_binding(v)
        compiler.assert(not utils["string?"](v), ("unexpected iterator clause " .. tostring(v)), binding)
        if utils["sym?"](v) then
          return compiler["declare-local"](v, {}, sub_scope, ast, new_manglings)
        else
          local raw = utils.sym(compiler.gensym(sub_scope))
          do end (destructures)[raw] = v
          return compiler["declare-local"](raw, {}, sub_scope, ast)
        end
      end
      local bind_vars = utils.map(binding, destructure_binding)
      local vals = compiler.compile1(iter, scope, parent)
      local val_names = utils.map(vals, tostring)
      local chunk = {}
      compiler.emit(parent, ("for %s in %s do"):format(table.concat(bind_vars, ", "), table.concat(val_names, ", ")), ast)
      for raw, args in utils.stablepairs(destructures) do
        compiler.destructure(args, raw, ast, sub_scope, chunk, {declaration = true, nomulti = true, symtype = "each"})
      end
      compiler["apply-manglings"](sub_scope, new_manglings, ast)
      compile_until(until_condition, sub_scope, chunk)
      compile_do(ast, sub_scope, chunk, 3)
      compiler.emit(parent, chunk, ast)
      return compiler.emit(parent, "end", ast)
    end
    doc_special("each", {"[key value (iterator)]", "..."}, "Runs the body once for each set of values provided by the given iterator.\nMost commonly used with ipairs for sequential tables or pairs for  undefined\norder, but can be used with any iterator.", true)
    local function while_2a(ast, scope, parent)
      local len1 = #parent
      local condition = (compiler.compile1(ast[2], scope, parent, {nval = 1}))[1]
      local len2 = #parent
      local sub_chunk = {}
      if (len1 ~= len2) then
        for i = (len1 + 1), len2 do
          table.insert(sub_chunk, parent[i])
          do end (parent)[i] = nil
        end
        compiler.emit(parent, "while true do", ast)
        compiler.emit(sub_chunk, ("if not %s then break end"):format(condition[1]), ast)
      else
        compiler.emit(parent, ("while " .. tostring(condition) .. " do"), ast)
      end
      compile_do(ast, compiler["make-scope"](scope), sub_chunk, 3)
      compiler.emit(parent, sub_chunk, ast)
      return compiler.emit(parent, "end", ast)
    end
    SPECIALS["while"] = while_2a
    doc_special("while", {"condition", "..."}, "The classic while loop. Evaluates body until a condition is non-truthy.", true)
    local function for_2a(ast, scope, parent)
      local ranges = compiler.assert(utils["table?"](ast[2]), "expected binding table", ast)
      local until_condition = remove_until_condition(ast[2])
      local binding_sym = table.remove(ast[2], 1)
      local sub_scope = compiler["make-scope"](scope)
      local range_args = {}
      local chunk = {}
      compiler.assert(utils["sym?"](binding_sym), ("unable to bind %s %s"):format(type(binding_sym), tostring(binding_sym)), ast[2])
      compiler.assert((#ast >= 3), "expected body expression", ast[1])
      compiler.assert((#ranges <= 3), "unexpected arguments", ranges[4])
      for i = 1, math.min(#ranges, 3) do
        range_args[i] = tostring((compiler.compile1(ranges[i], scope, parent, {nval = 1}))[1])
      end
      compiler.emit(parent, ("for %s = %s do"):format(compiler["declare-local"](binding_sym, {}, sub_scope, ast), table.concat(range_args, ", ")), ast)
      compile_until(until_condition, sub_scope, chunk)
      compile_do(ast, sub_scope, chunk, 3)
      compiler.emit(parent, chunk, ast)
      return compiler.emit(parent, "end", ast)
    end
    SPECIALS["for"] = for_2a
    doc_special("for", {"[index start stop step?]", "..."}, "Numeric loop construct.\nEvaluates body once for each value between start and stop (inclusive).", true)
    local function native_method_call(ast, _scope, _parent, target, args)
      local _let_443_ = ast
      local _ = _let_443_[1]
      local _0 = _let_443_[2]
      local method_string = _let_443_[3]
      local call_string
      if ((target.type == "literal") or (target.type == "varg") or (target.type == "expression")) then
        call_string = "(%s):%s(%s)"
      else
        call_string = "%s:%s(%s)"
      end
      return utils.expr(string.format(call_string, tostring(target), method_string, table.concat(args, ", ")), "statement")
    end
    local function nonnative_method_call(ast, scope, parent, target, args)
      local method_string = tostring((compiler.compile1(ast[3], scope, parent, {nval = 1}))[1])
      local args0 = {tostring(target), unpack(args)}
      return utils.expr(string.format("%s[%s](%s)", tostring(target), method_string, table.concat(args0, ", ")), "statement")
    end
    local function double_eval_protected_method_call(ast, scope, parent, target, args)
      local method_string = tostring((compiler.compile1(ast[3], scope, parent, {nval = 1}))[1])
      local call = "(function(tgt, m, ...) return tgt[m](tgt, ...) end)(%s, %s)"
      table.insert(args, 1, method_string)
      return utils.expr(string.format(call, tostring(target), table.concat(args, ", ")), "statement")
    end
    local function method_call(ast, scope, parent)
      compiler.assert((2 < #ast), "expected at least 2 arguments", ast)
      local _let_445_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
      local target = _let_445_[1]
      local args = {}
      for i = 4, #ast do
        local subexprs
        local _446_
        if (i ~= #ast) then
          _446_ = 1
        else
          _446_ = nil
        end
        subexprs = compiler.compile1(ast[i], scope, parent, {nval = _446_})
        utils.map(subexprs, tostring, args)
      end
      if (utils["string?"](ast[3]) and utils["valid-lua-identifier?"](ast[3])) then
        return native_method_call(ast, scope, parent, target, args)
      elseif (target.type == "sym") then
        return nonnative_method_call(ast, scope, parent, target, args)
      else
        return double_eval_protected_method_call(ast, scope, parent, target, args)
      end
    end
    SPECIALS[":"] = method_call
    doc_special(":", {"tbl", "method-name", "..."}, "Call the named method on tbl with the provided args.\nMethod name doesn't have to be known at compile-time; if it is, use\n(tbl:method-name ...) instead.")
    SPECIALS.comment = function(ast, _, parent)
      local els = {}
      for i = 2, #ast do
        table.insert(els, view(ast[i], {["one-line?"] = true}))
      end
      return compiler.emit(parent, ("--[[ " .. table.concat(els, " ") .. " ]]--"), ast)
    end
    doc_special("comment", {"..."}, "Comment which will be emitted in Lua output.", true)
    local function hashfn_max_used(f_scope, i, max)
      local max0
      if f_scope.symmeta[("$" .. i)].used then
        max0 = i
      else
        max0 = max
      end
      if (i < 9) then
        return hashfn_max_used(f_scope, (i + 1), max0)
      else
        return max0
      end
    end
    SPECIALS.hashfn = function(ast, scope, parent)
      compiler.assert((#ast == 2), "expected one argument", ast)
      local f_scope
      do
        local _451_ = compiler["make-scope"](scope)
        do end (_451_)["vararg"] = false
        _451_["hashfn"] = true
        f_scope = _451_
      end
      local f_chunk = {}
      local name = compiler.gensym(scope)
      local symbol = utils.sym(name)
      local args = {}
      compiler["declare-local"](symbol, {}, scope, ast)
      for i = 1, 9 do
        args[i] = compiler["declare-local"](utils.sym(("$" .. i)), {}, f_scope, ast)
      end
      local function walker(idx, node, parent_node)
        if (utils["sym?"](node) and (tostring(node) == "$...")) then
          parent_node[idx] = utils.varg()
          f_scope.vararg = true
          return nil
        else
          return (utils["list?"](node) or utils["table?"](node))
        end
      end
      utils["walk-tree"](ast[2], walker)
      compiler.compile1(ast[2], f_scope, f_chunk, {tail = true})
      local max_used = hashfn_max_used(f_scope, 1, 0)
      if f_scope.vararg then
        compiler.assert((max_used == 0), "$ and $... in hashfn are mutually exclusive", ast)
      else
      end
      local arg_str
      if f_scope.vararg then
        arg_str = tostring(utils.varg())
      else
        arg_str = table.concat(args, ", ", 1, max_used)
      end
      compiler.emit(parent, string.format("local function %s(%s)", name, arg_str), ast)
      compiler.emit(parent, f_chunk, ast)
      compiler.emit(parent, "end", ast)
      return utils.expr(name, "sym")
    end
    doc_special("hashfn", {"..."}, "Function literal shorthand; args are either $... OR $1, $2, etc.")
    local function maybe_short_circuit_protect(ast, i, name, _455_)
      local _arg_456_ = _455_
      local mac = _arg_456_["macros"]
      local call = (utils["list?"](ast) and tostring(ast[1]))
      if ((("or" == name) or ("and" == name)) and (1 < i) and (mac[call] or ("set" == call) or ("tset" == call) or ("global" == call))) then
        return utils.list(utils.sym("do"), ast)
      else
        return ast
      end
    end
    local function arithmetic_special(name, zero_arity, unary_prefix, ast, scope, parent)
      local len = #ast
      local operands = {}
      local padded_op = (" " .. name .. " ")
      for i = 2, len do
        local subast = maybe_short_circuit_protect(ast[i], i, name, scope)
        local subexprs = compiler.compile1(subast, scope, parent)
        if (i == len) then
          utils.map(subexprs, tostring, operands)
        else
          table.insert(operands, tostring(subexprs[1]))
        end
      end
      local _459_ = #operands
      if (_459_ == 0) then
        local _461_
        do
          local _460_ = zero_arity
          compiler.assert(_460_, "Expected more than 0 arguments", ast)
          _461_ = _460_
        end
        return utils.expr(_461_, "literal")
      elseif (_459_ == 1) then
        if unary_prefix then
          return ("(" .. unary_prefix .. padded_op .. operands[1] .. ")")
        else
          return operands[1]
        end
      elseif true then
        local _ = _459_
        return ("(" .. table.concat(operands, padded_op) .. ")")
      else
        return nil
      end
    end
    local function define_arithmetic_special(name, zero_arity, unary_prefix, _3flua_name)
      local _467_
      do
        local _464_ = (_3flua_name or name)
        local _465_ = zero_arity
        local _466_ = unary_prefix
        local function _468_(...)
          return arithmetic_special(_464_, _465_, _466_, ...)
        end
        _467_ = _468_
      end
      SPECIALS[name] = _467_
      return doc_special(name, {"a", "b", "..."}, "Arithmetic operator; works the same as Lua but accepts more arguments.")
    end
    define_arithmetic_special("+", "0")
    define_arithmetic_special("..", "''")
    define_arithmetic_special("^")
    define_arithmetic_special("-", nil, "")
    define_arithmetic_special("*", "1")
    define_arithmetic_special("%")
    define_arithmetic_special("/", nil, "1")
    define_arithmetic_special("//", nil, "1")
    SPECIALS["or"] = function(ast, scope, parent)
      return arithmetic_special("or", "false", nil, ast, scope, parent)
    end
    SPECIALS["and"] = function(ast, scope, parent)
      return arithmetic_special("and", "true", nil, ast, scope, parent)
    end
    doc_special("and", {"a", "b", "..."}, "Boolean operator; works the same as Lua but accepts more arguments.")
    doc_special("or", {"a", "b", "..."}, "Boolean operator; works the same as Lua but accepts more arguments.")
    local function bitop_special(native_name, lib_name, zero_arity, unary_prefix, ast, scope, parent)
      if (#ast == 1) then
        return compiler.assert(zero_arity, "Expected more than 0 arguments.", ast)
      else
        local len = #ast
        local operands = {}
        local padded_native_name = (" " .. native_name .. " ")
        local prefixed_lib_name = ("bit." .. lib_name)
        for i = 2, len do
          local subexprs
          local _469_
          if (i ~= len) then
            _469_ = 1
          else
            _469_ = nil
          end
          subexprs = compiler.compile1(ast[i], scope, parent, {nval = _469_})
          utils.map(subexprs, tostring, operands)
        end
        if (#operands == 1) then
          if utils.root.options.useBitLib then
            return (prefixed_lib_name .. "(" .. unary_prefix .. ", " .. operands[1] .. ")")
          else
            return ("(" .. unary_prefix .. padded_native_name .. operands[1] .. ")")
          end
        else
          if utils.root.options.useBitLib then
            return (prefixed_lib_name .. "(" .. table.concat(operands, ", ") .. ")")
          else
            return ("(" .. table.concat(operands, padded_native_name) .. ")")
          end
        end
      end
    end
    local function define_bitop_special(name, zero_arity, unary_prefix, native)
      local _479_
      do
        local _475_ = native
        local _476_ = name
        local _477_ = zero_arity
        local _478_ = unary_prefix
        local function _480_(...)
          return bitop_special(_475_, _476_, _477_, _478_, ...)
        end
        _479_ = _480_
      end
      SPECIALS[name] = _479_
      return nil
    end
    define_bitop_special("lshift", nil, "1", "<<")
    define_bitop_special("rshift", nil, "1", ">>")
    define_bitop_special("band", "0", "0", "&")
    define_bitop_special("bor", "0", "0", "|")
    define_bitop_special("bxor", "0", "0", "~")
    doc_special("lshift", {"x", "n"}, "Bitwise logical left shift of x by n bits.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
    doc_special("rshift", {"x", "n"}, "Bitwise logical right shift of x by n bits.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
    doc_special("band", {"x1", "x2", "..."}, "Bitwise AND of any number of arguments.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
    doc_special("bor", {"x1", "x2", "..."}, "Bitwise OR of any number of arguments.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
    doc_special("bxor", {"x1", "x2", "..."}, "Bitwise XOR of any number of arguments.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
    doc_special("..", {"a", "b", "..."}, "String concatenation operator; works the same as Lua but accepts more arguments.")
    local function native_comparator(op, _481_, scope, parent)
      local _arg_482_ = _481_
      local _ = _arg_482_[1]
      local lhs_ast = _arg_482_[2]
      local rhs_ast = _arg_482_[3]
      local _let_483_ = compiler.compile1(lhs_ast, scope, parent, {nval = 1})
      local lhs = _let_483_[1]
      local _let_484_ = compiler.compile1(rhs_ast, scope, parent, {nval = 1})
      local rhs = _let_484_[1]
      return string.format("(%s %s %s)", tostring(lhs), op, tostring(rhs))
    end
    local function double_eval_protected_comparator(op, chain_op, ast, scope, parent)
      local arglist = {}
      local comparisons = {}
      local vals = {}
      local chain = string.format(" %s ", (chain_op or "and"))
      for i = 2, #ast do
        table.insert(arglist, tostring(compiler.gensym(scope)))
        table.insert(vals, tostring((compiler.compile1(ast[i], scope, parent, {nval = 1}))[1]))
      end
      for i = 1, (#arglist - 1) do
        table.insert(comparisons, string.format("(%s %s %s)", arglist[i], op, arglist[(i + 1)]))
      end
      return string.format("(function(%s) return %s end)(%s)", table.concat(arglist, ","), table.concat(comparisons, chain), table.concat(vals, ","))
    end
    local function define_comparator_special(name, _3flua_op, _3fchain_op)
      do
        local op = (_3flua_op or name)
        local function opfn(ast, scope, parent)
          compiler.assert((2 < #ast), "expected at least two arguments", ast)
          if (3 == #ast) then
            return native_comparator(op, ast, scope, parent)
          else
            return double_eval_protected_comparator(op, _3fchain_op, ast, scope, parent)
          end
        end
        SPECIALS[name] = opfn
      end
      return doc_special(name, {"a", "b", "..."}, "Comparison operator; works the same as Lua but accepts more arguments.")
    end
    define_comparator_special(">")
    define_comparator_special("<")
    define_comparator_special(">=")
    define_comparator_special("<=")
    define_comparator_special("=", "==")
    define_comparator_special("not=", "~=", "or")
    local function define_unary_special(op, _3frealop)
      local function opfn(ast, scope, parent)
        compiler.assert((#ast == 2), "expected one argument", ast)
        local tail = compiler.compile1(ast[2], scope, parent, {nval = 1})
        return ((_3frealop or op) .. tostring(tail[1]))
      end
      SPECIALS[op] = opfn
      return nil
    end
    define_unary_special("not", "not ")
    doc_special("not", {"x"}, "Logical operator; works the same as Lua.")
    define_unary_special("bnot", "~")
    doc_special("bnot", {"x"}, "Bitwise negation; only works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
    define_unary_special("length", "#")
    doc_special("length", {"x"}, "Returns the length of a table or string.")
    do end (SPECIALS)["~="] = SPECIALS["not="]
    SPECIALS["#"] = SPECIALS.length
    SPECIALS.quote = function(ast, scope, parent)
      compiler.assert((#ast == 2), "expected one argument", ast)
      local runtime, this_scope = true, scope
      while this_scope do
        this_scope = this_scope.parent
        if (this_scope == compiler.scopes.compiler) then
          runtime = false
        else
        end
      end
      return compiler["do-quote"](ast[2], scope, parent, runtime)
    end
    doc_special("quote", {"x"}, "Quasiquote the following form. Only works in macro/compiler scope.")
    local macro_loaded = {}
    local function safe_getmetatable(tbl)
      local mt = getmetatable(tbl)
      assert((mt ~= getmetatable("")), "Illegal metatable access!")
      return mt
    end
    local safe_require = nil
    local function safe_compiler_env()
      local _488_
      do
        local _487_ = rawget(_G, "utf8")
        if (nil ~= _487_) then
          _488_ = utils.copy(_487_)
        else
          _488_ = _487_
        end
      end
      return {table = utils.copy(table), math = utils.copy(math), string = utils.copy(string), pairs = pairs, ipairs = ipairs, select = select, tostring = tostring, tonumber = tonumber, bit = rawget(_G, "bit"), pcall = pcall, xpcall = xpcall, next = next, print = print, type = type, assert = assert, error = error, setmetatable = setmetatable, getmetatable = safe_getmetatable, require = safe_require, rawlen = rawget(_G, "rawlen"), rawget = rawget, rawset = rawset, rawequal = rawequal, _VERSION = _VERSION, utf8 = _488_}
    end
    local function combined_mt_pairs(env)
      local combined = {}
      local _let_490_ = getmetatable(env)
      local __index = _let_490_["__index"]
      if ("table" == type(__index)) then
        for k, v in pairs(__index) do
          combined[k] = v
        end
      else
      end
      for k, v in next, env, nil do
        combined[k] = v
      end
      return next, combined, nil
    end
    local function make_compiler_env(ast, scope, parent, _3fopts)
      local provided
      do
        local _492_ = (_3fopts or utils.root.options)
        if ((_G.type(_492_) == "table") and ((_492_)["compiler-env"] == "strict")) then
          provided = safe_compiler_env()
        elseif ((_G.type(_492_) == "table") and (nil ~= (_492_).compilerEnv)) then
          local compilerEnv = (_492_).compilerEnv
          provided = compilerEnv
        elseif ((_G.type(_492_) == "table") and (nil ~= (_492_)["compiler-env"])) then
          local compiler_env = (_492_)["compiler-env"]
          provided = compiler_env
        elseif true then
          local _ = _492_
          provided = safe_compiler_env(false)
        else
          provided = nil
        end
      end
      local env
      local function _494_(base)
        return utils.sym(compiler.gensym((compiler.scopes.macro or scope), base))
      end
      local function _495_()
        return compiler.scopes.macro
      end
      local function _496_(symbol)
        compiler.assert(compiler.scopes.macro, "must call from macro", ast)
        return compiler.scopes.macro.manglings[tostring(symbol)]
      end
      local function _497_(form)
        compiler.assert(compiler.scopes.macro, "must call from macro", ast)
        return compiler.macroexpand(form, compiler.scopes.macro)
      end
      env = {_AST = ast, _CHUNK = parent, _IS_COMPILER = true, _SCOPE = scope, _SPECIALS = compiler.scopes.global.specials, _VARARG = utils.varg(), ["macro-loaded"] = macro_loaded, unpack = unpack, ["assert-compile"] = compiler.assert, view = view, version = utils.version, metadata = compiler.metadata, list = utils.list, ["list?"] = utils["list?"], ["table?"] = utils["table?"], sequence = utils.sequence, ["sequence?"] = utils["sequence?"], sym = utils.sym, ["sym?"] = utils["sym?"], ["multi-sym?"] = utils["multi-sym?"], comment = utils.comment, ["comment?"] = utils["comment?"], ["varg?"] = utils["varg?"], gensym = _494_, ["get-scope"] = _495_, ["in-scope?"] = _496_, macroexpand = _497_}
      env._G = env
      return setmetatable(env, {__index = provided, __newindex = provided, __pairs = combined_mt_pairs})
    end
    local function _499_(...)
      local tbl_14_auto = {}
      local i_15_auto = #tbl_14_auto
      for c in string.gmatch((package.config or ""), "([^\n]+)") do
        local val_16_auto = c
        if (nil ~= val_16_auto) then
          i_15_auto = (i_15_auto + 1)
          do end (tbl_14_auto)[i_15_auto] = val_16_auto
        else
        end
      end
      return tbl_14_auto
    end
    local _local_498_ = _499_(...)
    local dirsep = _local_498_[1]
    local pathsep = _local_498_[2]
    local pathmark = _local_498_[3]
    local pkg_config = {dirsep = (dirsep or "/"), pathmark = (pathmark or ";"), pathsep = (pathsep or "?")}
    local function escapepat(str)
      return string.gsub(str, "[^%w]", "%%%1")
    end
    local function search_module(modulename, _3fpathstring)
      local pathsepesc = escapepat(pkg_config.pathsep)
      local pattern = ("([^%s]*)%s"):format(pathsepesc, pathsepesc)
      local no_dot_module = modulename:gsub("%.", pkg_config.dirsep)
      local fullpath = ((_3fpathstring or utils["fennel-module"].path) .. pkg_config.pathsep)
      local function try_path(path)
        local filename = path:gsub(escapepat(pkg_config.pathmark), no_dot_module)
        local filename2 = path:gsub(escapepat(pkg_config.pathmark), modulename)
        local _501_ = (io.open(filename) or io.open(filename2))
        if (nil ~= _501_) then
          local file = _501_
          file:close()
          return filename
        elseif true then
          local _ = _501_
          return nil, ("no file '" .. filename .. "'")
        else
          return nil
        end
      end
      local function find_in_path(start, _3ftried_paths)
        local _503_ = fullpath:match(pattern, start)
        if (nil ~= _503_) then
          local path = _503_
          local _504_, _505_ = try_path(path)
          if (nil ~= _504_) then
            local filename = _504_
            return filename
          elseif ((_504_ == nil) and (nil ~= _505_)) then
            local error = _505_
            local function _507_()
              local _506_ = (_3ftried_paths or {})
              table.insert(_506_, error)
              return _506_
            end
            return find_in_path((start + #path + 1), _507_())
          else
            return nil
          end
        elseif true then
          local _ = _503_
          local function _509_()
            local tried_paths = table.concat((_3ftried_paths or {}), "\n\9")
            if (_VERSION < "Lua 5.4") then
              return ("\n\9" .. tried_paths)
            else
              return tried_paths
            end
          end
          return nil, _509_()
        else
          return nil
        end
      end
      return find_in_path(1)
    end
    local function make_searcher(_3foptions)
      local function _512_(module_name)
        local opts = utils.copy(utils.root.options)
        for k, v in pairs((_3foptions or {})) do
          opts[k] = v
        end
        opts["module-name"] = module_name
        local _513_, _514_ = search_module(module_name)
        if (nil ~= _513_) then
          local filename = _513_
          local _517_
          do
            local _515_ = filename
            local _516_ = opts
            local function _518_(...)
              return utils["fennel-module"].dofile(_515_, _516_, ...)
            end
            _517_ = _518_
          end
          return _517_, filename
        elseif ((_513_ == nil) and (nil ~= _514_)) then
          local error = _514_
          return error
        else
          return nil
        end
      end
      return _512_
    end
    local function dofile_with_searcher(fennel_macro_searcher, filename, opts, ...)
      local searchers = (package.loaders or package.searchers or {})
      local _ = table.insert(searchers, 1, fennel_macro_searcher)
      local m = utils["fennel-module"].dofile(filename, opts, ...)
      table.remove(searchers, 1)
      return m
    end
    local function fennel_macro_searcher(module_name)
      local opts
      do
        local _520_ = utils.copy(utils.root.options)
        do end (_520_)["env"] = "_COMPILER"
        _520_["requireAsInclude"] = false
        _520_["allowedGlobals"] = nil
        opts = _520_
      end
      local _521_ = search_module(module_name, utils["fennel-module"]["macro-path"])
      if (nil ~= _521_) then
        local filename = _521_
        local _522_
        if (opts["compiler-env"] == _G) then
          local _523_ = fennel_macro_searcher
          local _524_ = filename
          local _525_ = opts
          local function _527_(...)
            return dofile_with_searcher(_523_, _524_, _525_, ...)
          end
          _522_ = _527_
        else
          local _528_ = filename
          local _529_ = opts
          local function _531_(...)
            return utils["fennel-module"].dofile(_528_, _529_, ...)
          end
          _522_ = _531_
        end
        return _522_, filename
      else
        return nil
      end
    end
    local function lua_macro_searcher(module_name)
      local _534_ = search_module(module_name, package.path)
      if (nil ~= _534_) then
        local filename = _534_
        local code
        do
          local f = io.open(filename)
          local function close_handlers_8_auto(ok_9_auto, ...)
            f:close()
            if ok_9_auto then
              return ...
            else
              return error(..., 0)
            end
          end
          local function _536_()
            return assert(f:read("*a"))
          end
          code = close_handlers_8_auto(_G.xpcall(_536_, (package.loaded.fennel or debug).traceback))
        end
        local chunk = load_code(code, make_compiler_env(), filename)
        return chunk, filename
      else
        return nil
      end
    end
    local macro_searchers = {fennel_macro_searcher, lua_macro_searcher}
    local function search_macro_module(modname, n)
      local _538_ = macro_searchers[n]
      if (nil ~= _538_) then
        local f = _538_
        local _539_, _540_ = f(modname)
        if ((nil ~= _539_) and true) then
          local loader = _539_
          local _3ffilename = _540_
          return loader, _3ffilename
        elseif true then
          local _ = _539_
          return search_macro_module(modname, (n + 1))
        else
          return nil
        end
      else
        return nil
      end
    end
    local function metadata_only_fennel(modname)
      if ((modname == "fennel.macros") or (package and package.loaded and ("table" == type(package.loaded[modname])) and (package.loaded[modname].metadata == compiler.metadata))) then
        return {metadata = compiler.metadata}
      else
        return nil
      end
    end
    local function _544_(modname)
      local function _545_()
        local loader, filename = search_macro_module(modname, 1)
        compiler.assert(loader, (modname .. " module not found."))
        do end (macro_loaded)[modname] = loader(modname, filename)
        return macro_loaded[modname]
      end
      return (macro_loaded[modname] or metadata_only_fennel(modname) or _545_())
    end
    safe_require = _544_
    local function add_macros(macros_2a, ast, scope)
      compiler.assert(utils["table?"](macros_2a), "expected macros to be table", ast)
      for k, v in pairs(macros_2a) do
        compiler.assert((type(v) == "function"), "expected each macro to be function", ast)
        do end (scope.macros)[k] = v
      end
      return nil
    end
    local function resolve_module_name(_546_, _scope, _parent, opts)
      local _arg_547_ = _546_
      local filename = _arg_547_["filename"]
      local second = _arg_547_[2]
      local filename0 = (filename or (utils["table?"](second) and second.filename))
      local module_name = utils.root.options["module-name"]
      local modexpr = compiler.compile(second, opts)
      local modname_chunk = load_code(modexpr)
      return modname_chunk(module_name, filename0)
    end
    SPECIALS["require-macros"] = function(ast, scope, parent, _3freal_ast)
      compiler.assert((#ast == 2), "Expected one module name argument", (_3freal_ast or ast))
      local modname = resolve_module_name(ast, scope, parent, {})
      compiler.assert(utils["string?"](modname), "module name must compile to string", (_3freal_ast or ast))
      if not macro_loaded[modname] then
        local loader, filename = search_macro_module(modname, 1)
        compiler.assert(loader, (modname .. " module not found."), ast)
        do end (macro_loaded)[modname] = loader(modname, filename)
      else
      end
      if ("import-macros" == tostring(ast[1])) then
        return macro_loaded[modname]
      else
        return add_macros(macro_loaded[modname], ast, scope, parent)
      end
    end
    doc_special("require-macros", {"macro-module-name"}, "Load given module and use its contents as macro definitions in current scope.\nMacro module should return a table of macro functions with string keys.\nConsider using import-macros instead as it is more flexible.")
    local function emit_included_fennel(src, path, opts, sub_chunk)
      local subscope = compiler["make-scope"](utils.root.scope.parent)
      local forms = {}
      if utils.root.options.requireAsInclude then
        subscope.specials.require = compiler["require-include"]
      else
      end
      for _, val in parser.parser(parser["string-stream"](src), path) do
        table.insert(forms, val)
      end
      for i = 1, #forms do
        local subopts
        if (i == #forms) then
          subopts = {tail = true}
        else
          subopts = {nval = 0}
        end
        utils["propagate-options"](opts, subopts)
        compiler.compile1(forms[i], subscope, sub_chunk, subopts)
      end
      return nil
    end
    local function include_path(ast, opts, path, mod, fennel_3f)
      utils.root.scope.includes[mod] = "fnl/loading"
      local src
      do
        local f = assert(io.open(path))
        local function close_handlers_8_auto(ok_9_auto, ...)
          f:close()
          if ok_9_auto then
            return ...
          else
            return error(..., 0)
          end
        end
        local function _553_()
          return assert(f:read("*all")):gsub("[\13\n]*$", "")
        end
        src = close_handlers_8_auto(_G.xpcall(_553_, (package.loaded.fennel or debug).traceback))
      end
      local ret = utils.expr(("require(\"" .. mod .. "\")"), "statement")
      local target = ("package.preload[%q]"):format(mod)
      local preload_str = (target .. " = " .. target .. " or function(...)")
      local temp_chunk, sub_chunk = {}, {}
      compiler.emit(temp_chunk, preload_str, ast)
      compiler.emit(temp_chunk, sub_chunk)
      compiler.emit(temp_chunk, "end", ast)
      for i, v in ipairs(temp_chunk) do
        table.insert(utils.root.chunk, i, v)
      end
      if fennel_3f then
        emit_included_fennel(src, path, opts, sub_chunk)
      else
        compiler.emit(sub_chunk, src, ast)
      end
      utils.root.scope.includes[mod] = ret
      return ret
    end
    local function include_circular_fallback(mod, modexpr, fallback, ast)
      if (utils.root.scope.includes[mod] == "fnl/loading") then
        compiler.assert(fallback, "circular include detected", ast)
        return fallback(modexpr)
      else
        return nil
      end
    end
    SPECIALS.include = function(ast, scope, parent, opts)
      compiler.assert((#ast == 2), "expected one argument", ast)
      local modexpr
      do
        local _556_, _557_ = pcall(resolve_module_name, ast, scope, parent, opts)
        if ((_556_ == true) and (nil ~= _557_)) then
          local modname = _557_
          modexpr = utils.expr(string.format("%q", modname), "literal")
        elseif true then
          local _ = _556_
          modexpr = (compiler.compile1(ast[2], scope, parent, {nval = 1}))[1]
        else
          modexpr = nil
        end
      end
      if ((modexpr.type ~= "literal") or ((modexpr[1]):byte() ~= 34)) then
        if opts.fallback then
          return opts.fallback(modexpr)
        else
          return compiler.assert(false, "module name must be string literal", ast)
        end
      else
        local mod = load_code(("return " .. modexpr[1]))()
        local oldmod = utils.root.options["module-name"]
        local _
        utils.root.options["module-name"] = mod
        _ = nil
        local res
        local function _561_()
          local _560_ = search_module(mod)
          if (nil ~= _560_) then
            local fennel_path = _560_
            return include_path(ast, opts, fennel_path, mod, true)
          elseif true then
            local _0 = _560_
            local lua_path = search_module(mod, package.path)
            if lua_path then
              return include_path(ast, opts, lua_path, mod, false)
            elseif opts.fallback then
              return opts.fallback(modexpr)
            else
              return compiler.assert(false, ("module not found " .. mod), ast)
            end
          else
            return nil
          end
        end
        res = ((utils["member?"](mod, (utils.root.options.skipInclude or {})) and opts.fallback(modexpr, true)) or include_circular_fallback(mod, modexpr, opts.fallback, ast) or utils.root.scope.includes[mod] or _561_())
        utils.root.options["module-name"] = oldmod
        return res
      end
    end
    doc_special("include", {"module-name-literal"}, "Like require but load the target module during compilation and embed it in the\nLua output. The module must be a string literal and resolvable at compile time.")
    local function eval_compiler_2a(ast, scope, parent)
      local env = make_compiler_env(ast, scope, parent)
      local opts = utils.copy(utils.root.options)
      opts.scope = compiler["make-scope"](compiler.scopes.compiler)
      opts.allowedGlobals = current_global_names(env)
      return load_code(compiler.compile(ast, opts), wrap_env(env))(opts["module-name"], ast.filename)
    end
    SPECIALS.macros = function(ast, scope, parent)
      compiler.assert((#ast == 2), "Expected one table argument", ast)
      return add_macros(eval_compiler_2a(ast[2], scope, parent), ast, scope, parent)
    end
    doc_special("macros", {"{:macro-name-1 (fn [...] ...) ... :macro-name-N macro-body-N}"}, "Define all functions in the given table as macros local to the current scope.")
    SPECIALS["eval-compiler"] = function(ast, scope, parent)
      local old_first = ast[1]
      ast[1] = utils.sym("do")
      local val = eval_compiler_2a(ast, scope, parent)
      do end (ast)[1] = old_first
      return val
    end
    doc_special("eval-compiler", {"..."}, "Evaluate the body at compile-time. Use the macro system instead if possible.", true)
    return {doc = doc_2a, ["current-global-names"] = current_global_names, ["load-code"] = load_code, ["macro-loaded"] = macro_loaded, ["macro-searchers"] = macro_searchers, ["make-compiler-env"] = make_compiler_env, ["search-module"] = search_module, ["make-searcher"] = make_searcher, ["wrap-env"] = wrap_env}
  end
  package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or function(...)
    local utils = require("fennel.utils")
    local parser = require("fennel.parser")
    local friend = require("fennel.friend")
    local unpack = (table.unpack or _G.unpack)
    local scopes = {}
    local function make_scope(_3fparent)
      local parent = (_3fparent or scopes.global)
      local _219_
      if parent then
        _219_ = ((parent.depth or 0) + 1)
      else
        _219_ = 0
      end
      return {includes = setmetatable({}, {__index = (parent and parent.includes)}), macros = setmetatable({}, {__index = (parent and parent.macros)}), manglings = setmetatable({}, {__index = (parent and parent.manglings)}), specials = setmetatable({}, {__index = (parent and parent.specials)}), symmeta = setmetatable({}, {__index = (parent and parent.symmeta)}), unmanglings = setmetatable({}, {__index = (parent and parent.unmanglings)}), gensyms = setmetatable({}, {__index = (parent and parent.gensyms)}), autogensyms = setmetatable({}, {__index = (parent and parent.autogensyms)}), vararg = (parent and parent.vararg), depth = _219_, hashfn = (parent and parent.hashfn), refedglobals = {}, parent = parent}
    end
    local function assert_msg(ast, msg)
      local ast_tbl
      if ("table" == type(ast)) then
        ast_tbl = ast
      else
        ast_tbl = {}
      end
      local m = getmetatable(ast)
      local filename = ((m and m.filename) or ast_tbl.filename or "unknown")
      local line = ((m and m.line) or ast_tbl.line or "?")
      local target = tostring((utils["sym?"](ast_tbl[1]) or ast_tbl[1] or "()"))
      return string.format("%s:%s: Compile error in '%s': %s", filename, line, target, msg)
    end
    local function assert_compile(condition, msg, ast)
      if not condition then
        local _let_222_ = (utils.root.options or {})
        local source = _let_222_["source"]
        local unfriendly = _let_222_["unfriendly"]
        if (nil == utils.hook("assert-compile", condition, msg, ast, utils.root.reset)) then
          utils.root.reset()
          if (unfriendly or not friend or not _G.io or not _G.io.read) then
            error(assert_msg(ast, msg), 0)
          else
            friend["assert-compile"](condition, msg, ast, source)
          end
        else
        end
      else
      end
      return condition
    end
    scopes.global = make_scope()
    scopes.global.vararg = true
    scopes.compiler = make_scope(scopes.global)
    scopes.macro = scopes.global
    local serialize_subst = {["\7"] = "\\a", ["\8"] = "\\b", ["\9"] = "\\t", ["\n"] = "n", ["\11"] = "\\v", ["\12"] = "\\f"}
    local function serialize_string(str)
      local function _226_(_241)
        return ("\\" .. _241:byte())
      end
      return string.gsub(string.gsub(string.format("%q", str), ".", serialize_subst), "[\128-\255]", _226_)
    end
    local function global_mangling(str)
      if utils["valid-lua-identifier?"](str) then
        return str
      else
        local function _227_(_241)
          return string.format("_%02x", _241:byte())
        end
        return ("__fnl_global__" .. str:gsub("[^%w]", _227_))
      end
    end
    local function global_unmangling(identifier)
      local _229_ = string.match(identifier, "^__fnl_global__(.*)$")
      if (nil ~= _229_) then
        local rest = _229_
        local _230_
        local function _231_(_241)
          return string.char(tonumber(_241:sub(2), 16))
        end
        _230_ = string.gsub(rest, "_[%da-f][%da-f]", _231_)
        return _230_
      elseif true then
        local _ = _229_
        return identifier
      else
        return nil
      end
    end
    local allowed_globals = nil
    local function global_allowed_3f(name)
      return (not allowed_globals or utils["member?"](name, allowed_globals))
    end
    local function unique_mangling(original, mangling, scope, append)
      if (scope.unmanglings[mangling] and not scope.gensyms[mangling]) then
        return unique_mangling(original, (original .. append), scope, (append + 1))
      else
        return mangling
      end
    end
    local function local_mangling(str, scope, ast, _3ftemp_manglings)
      assert_compile(not utils["multi-sym?"](str), ("unexpected multi symbol " .. str), ast)
      local raw
      if ((utils["lua-keywords"])[str] or str:match("^%d")) then
        raw = ("_" .. str)
      else
        raw = str
      end
      local mangling
      local function _235_(_241)
        return string.format("_%02x", _241:byte())
      end
      mangling = string.gsub(string.gsub(raw, "-", "_"), "[^%w_]", _235_)
      local unique = unique_mangling(mangling, mangling, scope, 0)
      do end (scope.unmanglings)[unique] = str
      do
        local manglings = (_3ftemp_manglings or scope.manglings)
        do end (manglings)[str] = unique
      end
      return unique
    end
    local function apply_manglings(scope, new_manglings, ast)
      for raw, mangled in pairs(new_manglings) do
        assert_compile(not scope.refedglobals[mangled], ("use of global " .. raw .. " is aliased by a local"), ast)
        do end (scope.manglings)[raw] = mangled
      end
      return nil
    end
    local function combine_parts(parts, scope)
      local ret = (scope.manglings[parts[1]] or global_mangling(parts[1]))
      for i = 2, #parts do
        if utils["valid-lua-identifier?"](parts[i]) then
          if (parts["multi-sym-method-call"] and (i == #parts)) then
            ret = (ret .. ":" .. parts[i])
          else
            ret = (ret .. "." .. parts[i])
          end
        else
          ret = (ret .. "[" .. serialize_string(parts[i]) .. "]")
        end
      end
      return ret
    end
    local function next_append()
      utils.root.scope["gensym-append"] = ((utils.root.scope["gensym-append"] or 0) + 1)
      return ("_" .. utils.root.scope["gensym-append"] .. "_")
    end
    local function gensym(scope, _3fbase, _3fsuffix)
      local mangling = ((_3fbase or "") .. next_append() .. (_3fsuffix or ""))
      while scope.unmanglings[mangling] do
        mangling = ((_3fbase or "") .. next_append() .. (_3fsuffix or ""))
      end
      scope.unmanglings[mangling] = (_3fbase or true)
      do end (scope.gensyms)[mangling] = true
      return mangling
    end
    local function autogensym(base, scope)
      local _238_ = utils["multi-sym?"](base)
      if (nil ~= _238_) then
        local parts = _238_
        parts[1] = autogensym(parts[1], scope)
        return table.concat(parts, ((parts["multi-sym-method-call"] and ":") or "."))
      elseif true then
        local _ = _238_
        local function _239_()
          local mangling = gensym(scope, base:sub(1, ( - 2)), "auto")
          do end (scope.autogensyms)[base] = mangling
          return mangling
        end
        return (scope.autogensyms[base] or _239_())
      else
        return nil
      end
    end
    local function check_binding_valid(symbol, scope, ast)
      local name = tostring(symbol)
      assert_compile(not name:find("&"), "invalid character: &")
      assert_compile(not name:find("^%."), "invalid character: .")
      assert_compile(not (scope.specials[name] or scope.macros[name]), ("local %s was overshadowed by a special form or macro"):format(name), ast)
      return assert_compile(not utils["quoted?"](symbol), string.format("macro tried to bind %s without gensym", name), symbol)
    end
    local function declare_local(symbol, meta, scope, ast, _3ftemp_manglings)
      check_binding_valid(symbol, scope, ast)
      local name = tostring(symbol)
      assert_compile(not utils["multi-sym?"](name), ("unexpected multi symbol " .. name), ast)
      do end (scope.symmeta)[name] = meta
      return local_mangling(name, scope, ast, _3ftemp_manglings)
    end
    local function hashfn_arg_name(name, multi_sym_parts, scope)
      if not scope.hashfn then
        return nil
      elseif (name == "$") then
        return "$1"
      elseif multi_sym_parts then
        if (multi_sym_parts and (multi_sym_parts[1] == "$")) then
          multi_sym_parts[1] = "$1"
        else
        end
        return table.concat(multi_sym_parts, ".")
      else
        return nil
      end
    end
    local function symbol_to_expression(symbol, scope, _3freference_3f)
      utils.hook("symbol-to-expression", symbol, scope, _3freference_3f)
      local name = symbol[1]
      local multi_sym_parts = utils["multi-sym?"](name)
      local name0 = (hashfn_arg_name(name, multi_sym_parts, scope) or name)
      local parts = (multi_sym_parts or {name0})
      local etype = (((#parts > 1) and "expression") or "sym")
      local local_3f = scope.manglings[parts[1]]
      if (local_3f and scope.symmeta[parts[1]]) then
        scope.symmeta[parts[1]]["used"] = true
      else
      end
      assert_compile(not scope.macros[parts[1]], "tried to reference a macro at runtime", symbol)
      assert_compile((not scope.specials[parts[1]] or ("require" == parts[1])), "tried to reference a special form at runtime", symbol)
      assert_compile((not _3freference_3f or local_3f or ("_ENV" == parts[1]) or global_allowed_3f(parts[1])), ("unknown identifier in strict mode: " .. tostring(parts[1])), symbol)
      if (allowed_globals and not local_3f and scope.parent) then
        scope.parent.refedglobals[parts[1]] = true
      else
      end
      return utils.expr(combine_parts(parts, scope), etype)
    end
    local function emit(chunk, out, _3fast)
      if (type(out) == "table") then
        return table.insert(chunk, out)
      else
        return table.insert(chunk, {ast = _3fast, leaf = out})
      end
    end
    local function peephole(chunk)
      if chunk.leaf then
        return chunk
      elseif ((#chunk >= 3) and ((chunk[(#chunk - 2)]).leaf == "do") and not (chunk[(#chunk - 1)]).leaf and (chunk[#chunk].leaf == "end")) then
        local kid = peephole(chunk[(#chunk - 1)])
        local new_chunk = {ast = chunk.ast}
        for i = 1, (#chunk - 3) do
          table.insert(new_chunk, peephole(chunk[i]))
        end
        for i = 1, #kid do
          table.insert(new_chunk, kid[i])
        end
        return new_chunk
      else
        return utils.map(chunk, peephole)
      end
    end
    local function flatten_chunk_correlated(main_chunk, options)
      local function flatten(chunk, out, last_line, file)
        local last_line0 = last_line
        if chunk.leaf then
          out[last_line0] = ((out[last_line0] or "") .. " " .. chunk.leaf)
        else
          for _, subchunk in ipairs(chunk) do
            if (subchunk.leaf or (#subchunk > 0)) then
              local source = utils["ast-source"](subchunk.ast)
              if (file == source.filename) then
                last_line0 = math.max(last_line0, (source.line or 0))
              else
              end
              last_line0 = flatten(subchunk, out, last_line0, file)
            else
            end
          end
        end
        return last_line0
      end
      local out = {}
      local last = flatten(main_chunk, out, 1, options.filename)
      for i = 1, last do
        if (out[i] == nil) then
          out[i] = ""
        else
        end
      end
      return table.concat(out, "\n")
    end
    local function flatten_chunk(sm, chunk, tab, depth)
      if chunk.leaf then
        local code = chunk.leaf
        local info = chunk.ast
        if sm then
          table.insert(sm, {(info and info.filename), (info and info.line)})
        else
        end
        return code
      else
        local tab0
        do
          local _252_ = tab
          if (_252_ == true) then
            tab0 = "  "
          elseif (_252_ == false) then
            tab0 = ""
          elseif (_252_ == tab) then
            tab0 = tab
          elseif (_252_ == nil) then
            tab0 = ""
          else
            tab0 = nil
          end
        end
        local function parter(c)
          if (c.leaf or (#c > 0)) then
            local sub = flatten_chunk(sm, c, tab0, (depth + 1))
            if (depth > 0) then
              return (tab0 .. sub:gsub("\n", ("\n" .. tab0)))
            else
              return sub
            end
          else
            return nil
          end
        end
        return table.concat(utils.map(chunk, parter), "\n")
      end
    end
    local sourcemap = {}
    local function make_short_src(source)
      local source0 = source:gsub("\n", " ")
      if (#source0 <= 49) then
        return ("[fennel \"" .. source0 .. "\"]")
      else
        return ("[fennel \"" .. source0:sub(1, 46) .. "...\"]")
      end
    end
    local function flatten(chunk, options)
      local chunk0 = peephole(chunk)
      if options.correlate then
        return flatten_chunk_correlated(chunk0, options), {}
      else
        local sm = {}
        local ret = flatten_chunk(sm, chunk0, options.indent, 0)
        if sm then
          sm.short_src = (options.filename or make_short_src((options.source or ret)))
          if options.filename then
            sm.key = ("@" .. options.filename)
          else
            sm.key = ret
          end
          sourcemap[sm.key] = sm
        else
        end
        return ret, sm
      end
    end
    local function make_metadata()
      local function _261_(self, tgt, key)
        if self[tgt] then
          return self[tgt][key]
        else
          return nil
        end
      end
      local function _263_(self, tgt, key, value)
        self[tgt] = (self[tgt] or {})
        do end (self[tgt])[key] = value
        return tgt
      end
      local function _264_(self, tgt, ...)
        local kv_len = select("#", ...)
        local kvs = {...}
        if ((kv_len % 2) ~= 0) then
          error("metadata:setall() expected even number of k/v pairs")
        else
        end
        self[tgt] = (self[tgt] or {})
        for i = 1, kv_len, 2 do
          self[tgt][kvs[i]] = kvs[(i + 1)]
        end
        return tgt
      end
      return setmetatable({}, {__index = {get = _261_, set = _263_, setall = _264_}, __mode = "k"})
    end
    local function exprs1(exprs)
      return table.concat(utils.map(exprs, tostring), ", ")
    end
    local function keep_side_effects(exprs, chunk, start, ast)
      local start0 = (start or 1)
      for j = start0, #exprs do
        local se = exprs[j]
        if ((se.type == "expression") and (se[1] ~= "nil")) then
          emit(chunk, string.format("do local _ = %s end", tostring(se)), ast)
        elseif (se.type == "statement") then
          local code = tostring(se)
          local disambiguated
          if (code:byte() == 40) then
            disambiguated = ("do end " .. code)
          else
            disambiguated = code
          end
          emit(chunk, disambiguated, ast)
        else
        end
      end
      return nil
    end
    local function handle_compile_opts(exprs, parent, opts, ast)
      if opts.nval then
        local n = opts.nval
        local len = #exprs
        if (n ~= len) then
          if (len > n) then
            keep_side_effects(exprs, parent, (n + 1), ast)
            for i = (n + 1), len do
              exprs[i] = nil
            end
          else
            for i = (#exprs + 1), n do
              exprs[i] = utils.expr("nil", "literal")
            end
          end
        else
        end
      else
      end
      if opts.tail then
        emit(parent, string.format("return %s", exprs1(exprs)), ast)
      else
      end
      if opts.target then
        local result = exprs1(exprs)
        local function _272_()
          if (result == "") then
            return "nil"
          else
            return result
          end
        end
        emit(parent, string.format("%s = %s", opts.target, _272_()), ast)
      else
      end
      if (opts.tail or opts.target) then
        return {returned = true}
      else
        local _274_ = exprs
        _274_["returned"] = true
        return _274_
      end
    end
    local function find_macro(ast, scope, multi_sym_parts)
      local function find_in_table(t, i)
        if (i <= #multi_sym_parts) then
          return find_in_table((utils["table?"](t) and t[multi_sym_parts[i]]), (i + 1))
        else
          return t
        end
      end
      local macro_2a = (utils["sym?"](ast[1]) and scope.macros[tostring(ast[1])])
      if (not macro_2a and multi_sym_parts) then
        local nested_macro = find_in_table(scope.macros, 1)
        assert_compile((not scope.macros[multi_sym_parts[1]] or (type(nested_macro) == "function")), "macro not found in imported macro module", ast)
        return nested_macro
      else
        return macro_2a
      end
    end
    local function propagate_trace_info(_278_, _index, node)
      local _arg_279_ = _278_
      local filename = _arg_279_["filename"]
      local line = _arg_279_["line"]
      local bytestart = _arg_279_["bytestart"]
      local byteend = _arg_279_["byteend"]
      if (("table" == type(node)) and (filename ~= node.filename)) then
        local src = utils["ast-source"](node)
        src.filename, src.line = filename, line
        src.bytestart, src.byteend = bytestart, byteend
      else
      end
      return ("table" == type(node))
    end
    local function macroexpand_2a(ast, scope, _3fonce)
      local _281_
      if utils["list?"](ast) then
        _281_ = find_macro(ast, scope, utils["multi-sym?"](ast[1]))
      else
        _281_ = nil
      end
      if (_281_ == false) then
        return ast
      elseif (nil ~= _281_) then
        local macro_2a = _281_
        local old_scope = scopes.macro
        local _
        scopes.macro = scope
        _ = nil
        local ok, transformed = nil, nil
        local function _283_()
          return macro_2a(unpack(ast, 2))
        end
        ok, transformed = xpcall(_283_, debug.traceback)
        local function _285_()
          local _284_ = ast
          local function _286_(...)
            return propagate_trace_info(_284_, ...)
          end
          return _286_
        end
        utils["walk-tree"](transformed, _285_())
        scopes.macro = old_scope
        assert_compile(ok, transformed, ast)
        if (_3fonce or not transformed) then
          return transformed
        else
          return macroexpand_2a(transformed, scope)
        end
      elseif true then
        local _ = _281_
        return ast
      else
        return nil
      end
    end
    local function compile_special(ast, scope, parent, opts, special)
      local exprs = (special(ast, scope, parent, opts) or utils.expr("nil", "literal"))
      local exprs0
      if ("table" ~= type(exprs)) then
        exprs0 = utils.expr(exprs, "expression")
      else
        exprs0 = exprs
      end
      local exprs2
      if utils["expr?"](exprs0) then
        exprs2 = {exprs0}
      else
        exprs2 = exprs0
      end
      if not exprs2.returned then
        return handle_compile_opts(exprs2, parent, opts, ast)
      elseif (opts.tail or opts.target) then
        return {returned = true}
      else
        return exprs2
      end
    end
    local function compile_function_call(ast, scope, parent, opts, compile1, len)
      local fargs = {}
      local fcallee = (compile1(ast[1], scope, parent, {nval = 1}))[1]
      assert_compile((("string" == type(ast[1])) or (fcallee.type ~= "literal")), ("cannot call literal value " .. tostring(ast[1])), ast)
      for i = 2, len do
        local subexprs
        local _292_
        if (i ~= len) then
          _292_ = 1
        else
          _292_ = nil
        end
        subexprs = compile1(ast[i], scope, parent, {nval = _292_})
        table.insert(fargs, (subexprs[1] or utils.expr("nil", "literal")))
        if (i == len) then
          for j = 2, #subexprs do
            table.insert(fargs, subexprs[j])
          end
        else
          keep_side_effects(subexprs, parent, 2, ast[i])
        end
      end
      local pat
      if ("string" == type(ast[1])) then
        pat = "(%s)(%s)"
      else
        pat = "%s(%s)"
      end
      local call = string.format(pat, tostring(fcallee), exprs1(fargs))
      return handle_compile_opts({utils.expr(call, "statement")}, parent, opts, ast)
    end
    local function compile_call(ast, scope, parent, opts, compile1)
      utils.hook("call", ast, scope)
      local len = #ast
      local first = ast[1]
      local multi_sym_parts = utils["multi-sym?"](first)
      local special = (utils["sym?"](first) and scope.specials[tostring(first)])
      assert_compile((len > 0), "expected a function, macro, or special to call", ast)
      if special then
        return compile_special(ast, scope, parent, opts, special)
      elseif (multi_sym_parts and multi_sym_parts["multi-sym-method-call"]) then
        local table_with_method = table.concat({unpack(multi_sym_parts, 1, (#multi_sym_parts - 1))}, ".")
        local method_to_call = multi_sym_parts[#multi_sym_parts]
        local new_ast = utils.list(utils.sym(":", ast), utils.sym(table_with_method, ast), method_to_call, select(2, unpack(ast)))
        return compile1(new_ast, scope, parent, opts)
      else
        return compile_function_call(ast, scope, parent, opts, compile1, len)
      end
    end
    local function compile_varg(ast, scope, parent, opts)
      local _297_
      if scope.hashfn then
        _297_ = "use $... in hashfn"
      else
        _297_ = "unexpected vararg"
      end
      assert_compile(scope.vararg, _297_, ast)
      return handle_compile_opts({utils.expr("...", "varg")}, parent, opts, ast)
    end
    local function compile_sym(ast, scope, parent, opts)
      local multi_sym_parts = utils["multi-sym?"](ast)
      assert_compile(not (multi_sym_parts and multi_sym_parts["multi-sym-method-call"]), "multisym method calls may only be in call position", ast)
      local e
      if (ast[1] == "nil") then
        e = utils.expr("nil", "literal")
      else
        e = symbol_to_expression(ast, scope, true)
      end
      return handle_compile_opts({e}, parent, opts, ast)
    end
    local function serialize_number(n)
      local _300_ = string.gsub(tostring(n), ",", ".")
      return _300_
    end
    local function compile_scalar(ast, _scope, parent, opts)
      local serialize
      do
        local _301_ = type(ast)
        if (_301_ == "nil") then
          serialize = tostring
        elseif (_301_ == "boolean") then
          serialize = tostring
        elseif (_301_ == "string") then
          serialize = serialize_string
        elseif (_301_ == "number") then
          serialize = serialize_number
        else
          serialize = nil
        end
      end
      return handle_compile_opts({utils.expr(serialize(ast), "literal")}, parent, opts)
    end
    local function compile_table(ast, scope, parent, opts, compile1)
      local buffer = {}
      local function write_other_values(k)
        if ((type(k) ~= "number") or (math.floor(k) ~= k) or (k < 1) or (k > #ast)) then
          if ((type(k) == "string") and utils["valid-lua-identifier?"](k)) then
            return {k, k}
          else
            local _let_303_ = compile1(k, scope, parent, {nval = 1})
            local compiled = _let_303_[1]
            local kstr = ("[" .. tostring(compiled) .. "]")
            return {kstr, k}
          end
        else
          return nil
        end
      end
      do
        local keys
        do
          local tbl_14_auto = {}
          local i_15_auto = #tbl_14_auto
          for k, v in utils.stablepairs(ast) do
            local val_16_auto = write_other_values(k, v)
            if (nil ~= val_16_auto) then
              i_15_auto = (i_15_auto + 1)
              do end (tbl_14_auto)[i_15_auto] = val_16_auto
            else
            end
          end
          keys = tbl_14_auto
        end
        local function _309_(_307_)
          local _arg_308_ = _307_
          local k1 = _arg_308_[1]
          local k2 = _arg_308_[2]
          local _let_310_ = compile1(ast[k2], scope, parent, {nval = 1})
          local v = _let_310_[1]
          return string.format("%s = %s", k1, tostring(v))
        end
        utils.map(keys, _309_, buffer)
      end
      for i = 1, #ast do
        local nval = ((i ~= #ast) and 1)
        table.insert(buffer, exprs1(compile1(ast[i], scope, parent, {nval = nval})))
      end
      return handle_compile_opts({utils.expr(("{" .. table.concat(buffer, ", ") .. "}"), "expression")}, parent, opts, ast)
    end
    local function compile1(ast, scope, parent, _3fopts)
      local opts = (_3fopts or {})
      local ast0 = macroexpand_2a(ast, scope)
      if utils["list?"](ast0) then
        return compile_call(ast0, scope, parent, opts, compile1)
      elseif utils["varg?"](ast0) then
        return compile_varg(ast0, scope, parent, opts)
      elseif utils["sym?"](ast0) then
        return compile_sym(ast0, scope, parent, opts)
      elseif (type(ast0) == "table") then
        return compile_table(ast0, scope, parent, opts, compile1)
      elseif ((type(ast0) == "nil") or (type(ast0) == "boolean") or (type(ast0) == "number") or (type(ast0) == "string")) then
        return compile_scalar(ast0, scope, parent, opts)
      else
        return assert_compile(false, ("could not compile value of type " .. type(ast0)), ast0)
      end
    end
    local function destructure(to, from, ast, scope, parent, opts)
      local opts0 = (opts or {})
      local _let_312_ = opts0
      local isvar = _let_312_["isvar"]
      local declaration = _let_312_["declaration"]
      local forceglobal = _let_312_["forceglobal"]
      local forceset = _let_312_["forceset"]
      local symtype = _let_312_["symtype"]
      local symtype0 = ("_" .. (symtype or "dst"))
      local setter
      if declaration then
        setter = "local %s = %s"
      else
        setter = "%s = %s"
      end
      local new_manglings = {}
      local function getname(symbol, up1)
        local raw = symbol[1]
        assert_compile(not (opts0.nomulti and utils["multi-sym?"](raw)), ("unexpected multi symbol " .. raw), up1)
        if declaration then
          return declare_local(symbol, nil, scope, symbol, new_manglings)
        else
          local parts = (utils["multi-sym?"](raw) or {raw})
          local meta = scope.symmeta[parts[1]]
          assert_compile(not raw:find(":"), "cannot set method sym", symbol)
          if ((#parts == 1) and not forceset) then
            assert_compile(not (forceglobal and meta), string.format("global %s conflicts with local", tostring(symbol)), symbol)
            assert_compile(not (meta and not meta.var), ("expected var " .. raw), symbol)
            assert_compile((meta or not opts0.noundef), ("expected local " .. parts[1]), symbol)
          else
          end
          if forceglobal then
            assert_compile(not scope.symmeta[scope.unmanglings[raw]], ("global " .. raw .. " conflicts with local"), symbol)
            do end (scope.manglings)[raw] = global_mangling(raw)
            do end (scope.unmanglings)[global_mangling(raw)] = raw
            if allowed_globals then
              table.insert(allowed_globals, raw)
            else
            end
          else
          end
          return symbol_to_expression(symbol, scope)[1]
        end
      end
      local function compile_top_target(lvalues)
        local inits
        local function _318_(_241)
          if scope.manglings[_241] then
            return _241
          else
            return "nil"
          end
        end
        inits = utils.map(lvalues, _318_)
        local init = table.concat(inits, ", ")
        local lvalue = table.concat(lvalues, ", ")
        local plen, plast = #parent, parent[#parent]
        local ret = compile1(from, scope, parent, {target = lvalue})
        if declaration then
          for pi = plen, #parent do
            if (parent[pi] == plast) then
              plen = pi
            else
            end
          end
          if ((#parent == (plen + 1)) and parent[#parent].leaf) then
            parent[#parent]["leaf"] = ("local " .. parent[#parent].leaf)
          elseif (init == "nil") then
            table.insert(parent, (plen + 1), {ast = ast, leaf = ("local " .. lvalue)})
          else
            table.insert(parent, (plen + 1), {ast = ast, leaf = ("local " .. lvalue .. " = " .. init)})
          end
        else
        end
        return ret
      end
      local function destructure_sym(left, rightexprs, up1, top_3f)
        local lname = getname(left, up1)
        check_binding_valid(left, scope, left)
        if top_3f then
          compile_top_target({lname})
        else
          emit(parent, setter:format(lname, exprs1(rightexprs)), left)
        end
        if declaration then
          scope.symmeta[tostring(left)] = {var = isvar}
          return nil
        else
          return nil
        end
      end
      local function destructure_table(left, rightexprs, top_3f, destructure1)
        local s = gensym(scope, symtype0)
        local right
        do
          local _325_
          if top_3f then
            _325_ = exprs1(compile1(from, scope, parent))
          else
            _325_ = exprs1(rightexprs)
          end
          if (_325_ == "") then
            right = "nil"
          elseif (nil ~= _325_) then
            local right0 = _325_
            right = right0
          else
            right = nil
          end
        end
        emit(parent, string.format("local %s = %s", s, right), left)
        for k, v in utils.stablepairs(left) do
          if not (("number" == type(k)) and tostring(left[(k - 1)]):find("^&")) then
            if (utils["sym?"](v) and (tostring(v) == "&")) then
              local unpack_str = "(function (t, k)\n                                      local mt = getmetatable(t)\n                                      if \"table\" == type(mt) and mt.__fennelrest then\n                                         return mt.__fennelrest(t, k)\n                                      else\n                                         return {(table.unpack or unpack)(t, k)}\n                                      end\n                                   end)(%s, %s)"
              local formatted = string.format(string.gsub(unpack_str, "\n%s*", " "), s, k)
              local subexpr = utils.expr(formatted, "expression")
              assert_compile((utils["sequence?"](left) and (nil == left[(k + 2)])), "expected rest argument before last parameter", left)
              destructure1(left[(k + 1)], {subexpr}, left)
            elseif (utils["sym?"](k) and (tostring(k) == "&as")) then
              destructure_sym(v, {utils.expr(tostring(s))}, left)
            elseif (utils["sequence?"](left) and (tostring(v) == "&as")) then
              local _, next_sym, trailing = select(k, unpack(left))
              assert_compile((nil == trailing), "expected &as argument before last parameter", left)
              destructure_sym(next_sym, {utils.expr(tostring(s))}, left)
            else
              local key
              if (type(k) == "string") then
                key = serialize_string(k)
              else
                key = k
              end
              local subexpr = utils.expr(string.format("%s[%s]", s, key), "expression")
              destructure1(v, {subexpr}, left)
            end
          else
          end
        end
        return nil
      end
      local function destructure_values(left, up1, top_3f, destructure1)
        local left_names, tables = {}, {}
        for i, name in ipairs(left) do
          if utils["sym?"](name) then
            table.insert(left_names, getname(name, up1))
          else
            local symname = gensym(scope, symtype0)
            table.insert(left_names, symname)
            do end (tables)[i] = {name, utils.expr(symname, "sym")}
          end
        end
        assert_compile(top_3f, "can't nest multi-value destructuring", left)
        compile_top_target(left_names)
        if declaration then
          for _, sym in ipairs(left) do
            if utils["sym?"](sym) then
              scope.symmeta[tostring(sym)] = {var = isvar}
            else
            end
          end
        else
        end
        for _, pair in utils.stablepairs(tables) do
          destructure1(pair[1], {pair[2]}, left)
        end
        return nil
      end
      local function destructure1(left, rightexprs, up1, top_3f)
        if (utils["sym?"](left) and (left[1] ~= "nil")) then
          destructure_sym(left, rightexprs, up1, top_3f)
        elseif utils["table?"](left) then
          destructure_table(left, rightexprs, top_3f, destructure1)
        elseif utils["list?"](left) then
          destructure_values(left, up1, top_3f, destructure1)
        else
          assert_compile(false, string.format("unable to bind %s %s", type(left), tostring(left)), (((type((up1)[2]) == "table") and (up1)[2]) or up1))
        end
        if top_3f then
          return {returned = true}
        else
          return nil
        end
      end
      local ret = destructure1(to, nil, ast, true)
      utils.hook("destructure", from, to, scope)
      apply_manglings(scope, new_manglings, ast)
      return ret
    end
    local function require_include(ast, scope, parent, opts)
      opts.fallback = function(e, no_warn)
        if (not no_warn and ("literal" == e.type)) then
          utils.warn(("include module not found, falling back to require: %s"):format(tostring(e)))
        else
        end
        return utils.expr(string.format("require(%s)", tostring(e)), "statement")
      end
      return scopes.global.specials.include(ast, scope, parent, opts)
    end
    local function compile_stream(strm, options)
      local opts = utils.copy(options)
      local old_globals = allowed_globals
      local scope = (opts.scope or make_scope(scopes.global))
      local vals = {}
      local chunk = {}
      do end (function(tgt, m, ...) return tgt[m](tgt, ...) end)(utils.root, "set-reset")
      allowed_globals = opts.allowedGlobals
      if (opts.indent == nil) then
        opts.indent = "  "
      else
      end
      if opts.requireAsInclude then
        scope.specials.require = require_include
      else
      end
      utils.root.chunk, utils.root.scope, utils.root.options = chunk, scope, opts
      for _, val in parser.parser(strm, opts.filename, opts) do
        table.insert(vals, val)
      end
      for i = 1, #vals do
        local exprs = compile1(vals[i], scope, chunk, {nval = (((i < #vals) and 0) or nil), tail = (i == #vals)})
        keep_side_effects(exprs, chunk, nil, vals[i])
        if (i == #vals) then
          utils.hook("chunk", vals[i], scope)
        else
        end
      end
      allowed_globals = old_globals
      utils.root.reset()
      return flatten(chunk, opts)
    end
    local function compile_string(str, opts)
      return compile_stream(parser["string-stream"](str), (opts or {}))
    end
    local function compile(ast, opts)
      local opts0 = utils.copy(opts)
      local old_globals = allowed_globals
      local chunk = {}
      local scope = (opts0.scope or make_scope(scopes.global))
      do end (function(tgt, m, ...) return tgt[m](tgt, ...) end)(utils.root, "set-reset")
      allowed_globals = opts0.allowedGlobals
      if (opts0.indent == nil) then
        opts0.indent = "  "
      else
      end
      if opts0.requireAsInclude then
        scope.specials.require = require_include
      else
      end
      utils.root.chunk, utils.root.scope, utils.root.options = chunk, scope, opts0
      local exprs = compile1(ast, scope, chunk, {tail = true})
      keep_side_effects(exprs, chunk, nil, ast)
      utils.hook("chunk", ast, scope)
      allowed_globals = old_globals
      utils.root.reset()
      return flatten(chunk, opts0)
    end
    local function traceback_frame(info)
      if ((info.what == "C") and info.name) then
        return string.format("  [C]: in function '%s'", info.name)
      elseif (info.what == "C") then
        return "  [C]: in ?"
      else
        local remap = sourcemap[info.source]
        if (remap and remap[info.currentline]) then
          if ((remap[info.currentline][1] or "unknown") ~= "unknown") then
            info.short_src = sourcemap[("@" .. remap[info.currentline][1])].short_src
          else
            info.short_src = remap.short_src
          end
          info.currentline = (remap[info.currentline][2] or -1)
        else
        end
        if (info.what == "Lua") then
          local function _344_()
            if info.name then
              return ("'" .. info.name .. "'")
            else
              return "?"
            end
          end
          return string.format("  %s:%d: in function %s", info.short_src, info.currentline, _344_())
        elseif (info.short_src == "(tail call)") then
          return "  (tail call)"
        else
          return string.format("  %s:%d: in main chunk", info.short_src, info.currentline)
        end
      end
    end
    local function traceback(_3fmsg, _3fstart)
      local msg = tostring((_3fmsg or ""))
      if ((msg:find("^Compile error") or msg:find("^Parse error")) and not utils["debug-on?"]("trace")) then
        return msg
      else
        local lines = {}
        if (msg:find(":%d+: Compile error") or msg:find(":%d+: Parse error")) then
          table.insert(lines, msg)
        else
          local newmsg = msg:gsub("^[^:]*:%d+:%s+", "runtime error: ")
          table.insert(lines, newmsg)
        end
        table.insert(lines, "stack traceback:")
        local done_3f, level = false, (_3fstart or 2)
        while not done_3f do
          do
            local _348_ = debug.getinfo(level, "Sln")
            if (_348_ == nil) then
              done_3f = true
            elseif (nil ~= _348_) then
              local info = _348_
              table.insert(lines, traceback_frame(info))
            else
            end
          end
          level = (level + 1)
        end
        return table.concat(lines, "\n")
      end
    end
    local function entry_transform(fk, fv)
      local function _351_(k, v)
        if (type(k) == "number") then
          return k, fv(v)
        else
          return fk(k), fv(v)
        end
      end
      return _351_
    end
    local function mixed_concat(t, joiner)
      local seen = {}
      local ret, s = "", ""
      for k, v in ipairs(t) do
        table.insert(seen, k)
        ret = (ret .. s .. v)
        s = joiner
      end
      for k, v in utils.stablepairs(t) do
        if not seen[k] then
          ret = (ret .. s .. "[" .. k .. "]" .. "=" .. v)
          s = joiner
        else
        end
      end
      return ret
    end
    local function do_quote(form, scope, parent, runtime_3f)
      local function q(x)
        return do_quote(x, scope, parent, runtime_3f)
      end
      if utils["varg?"](form) then
        assert_compile(not runtime_3f, "quoted ... may only be used at compile time", form)
        return "_VARARG"
      elseif utils["sym?"](form) then
        local filename
        if form.filename then
          filename = string.format("%q", form.filename)
        else
          filename = "nil"
        end
        local symstr = tostring(form)
        assert_compile(not runtime_3f, "symbols may only be used at compile time", form)
        if (symstr:find("#$") or symstr:find("#[:.]")) then
          return string.format("sym('%s', {filename=%s, line=%s})", autogensym(symstr, scope), filename, (form.line or "nil"))
        else
          return string.format("sym('%s', {quoted=true, filename=%s, line=%s})", symstr, filename, (form.line or "nil"))
        end
      elseif (utils["list?"](form) and utils["sym?"](form[1]) and (tostring(form[1]) == "unquote")) then
        local payload = form[2]
        local res = unpack(compile1(payload, scope, parent))
        return res[1]
      elseif utils["list?"](form) then
        local mapped
        local function _356_()
          return nil
        end
        mapped = utils.kvmap(form, entry_transform(_356_, q))
        local filename
        if form.filename then
          filename = string.format("%q", form.filename)
        else
          filename = "nil"
        end
        assert_compile(not runtime_3f, "lists may only be used at compile time", form)
        return string.format(("setmetatable({filename=%s, line=%s, bytestart=%s, %s}" .. ", getmetatable(list()))"), filename, (form.line or "nil"), (form.bytestart or "nil"), mixed_concat(mapped, ", "))
      elseif utils["sequence?"](form) then
        local mapped = utils.kvmap(form, entry_transform(q, q))
        local source = getmetatable(form)
        local filename
        if source.filename then
          filename = string.format("%q", source.filename)
        else
          filename = "nil"
        end
        local _359_
        if source then
          _359_ = source.line
        else
          _359_ = "nil"
        end
        return string.format("setmetatable({%s}, {filename=%s, line=%s, sequence=%s})", mixed_concat(mapped, ", "), filename, _359_, "(getmetatable(sequence()))['sequence']")
      elseif (type(form) == "table") then
        local mapped = utils.kvmap(form, entry_transform(q, q))
        local source = getmetatable(form)
        local filename
        if source.filename then
          filename = string.format("%q", source.filename)
        else
          filename = "nil"
        end
        local function _362_()
          if source then
            return source.line
          else
            return "nil"
          end
        end
        return string.format("setmetatable({%s}, {filename=%s, line=%s})", mixed_concat(mapped, ", "), filename, _362_())
      elseif (type(form) == "string") then
        return serialize_string(form)
      else
        return tostring(form)
      end
    end
    return {compile = compile, compile1 = compile1, ["compile-stream"] = compile_stream, ["compile-string"] = compile_string, emit = emit, destructure = destructure, ["require-include"] = require_include, autogensym = autogensym, gensym = gensym, ["do-quote"] = do_quote, ["global-mangling"] = global_mangling, ["global-unmangling"] = global_unmangling, ["apply-manglings"] = apply_manglings, macroexpand = macroexpand_2a, ["declare-local"] = declare_local, ["make-scope"] = make_scope, ["keep-side-effects"] = keep_side_effects, ["symbol-to-expression"] = symbol_to_expression, assert = assert_compile, scopes = scopes, traceback = traceback, metadata = make_metadata(), sourcemap = sourcemap}
  end
  package.preload["fennel.friend"] = package.preload["fennel.friend"] or function(...)
    local utils = require("fennel.utils")
    local suggestions = {["unexpected multi symbol (.*)"] = {"removing periods or colons from %s"}, ["use of global (.*) is aliased by a local"] = {"renaming local %s", "refer to the global using _G.%s instead of directly"}, ["local (.*) was overshadowed by a special form or macro"] = {"renaming local %s"}, ["global (.*) conflicts with local"] = {"renaming local %s"}, ["expected var (.*)"] = {"declaring %s using var instead of let/local", "introducing a new local instead of changing the value of %s"}, ["expected macros to be table"] = {"ensuring your macro definitions return a table"}, ["expected each macro to be function"] = {"ensuring that the value for each key in your macros table contains a function", "avoid defining nested macro tables"}, ["macro not found in macro module"] = {"checking the keys of the imported macro module's returned table"}, ["macro tried to bind (.*) without gensym"] = {"changing to %s# when introducing identifiers inside macros"}, ["unknown identifier in strict mode: (.*)"] = {"looking to see if there's a typo", "using the _G table instead, eg. _G.%s if you really want a global", "moving this code to somewhere that %s is in scope", "binding %s as a local in the scope of this code"}, ["expected a function.* to call"] = {"removing the empty parentheses", "using square brackets if you want an empty table"}, ["cannot call literal value"] = {"checking for typos", "checking for a missing function name"}, ["unexpected vararg"] = {"putting \"...\" at the end of the fn parameters if the vararg was intended"}, ["multisym method calls may only be in call position"] = {"using a period instead of a colon to reference a table's fields", "putting parens around this"}, ["unused local (.*)"] = {"renaming the local to _%s if it is meant to be unused", "fixing a typo so %s is used", "disabling the linter which checks for unused locals"}, ["expected parameters"] = {"adding function parameters as a list of identifiers in brackets"}, ["unable to bind (.*)"] = {"replacing the %s with an identifier"}, ["expected rest argument before last parameter"] = {"moving & to right before the final identifier when destructuring"}, ["expected vararg as last parameter"] = {"moving the \"...\" to the end of the parameter list"}, ["expected symbol for function parameter: (.*)"] = {"changing %s to an identifier instead of a literal value"}, ["could not compile value of type "] = {"debugging the macro you're calling to return a list or table"}, ["expected local"] = {"looking for a typo", "looking for a local which is used out of its scope"}, ["expected body expression"] = {"putting some code in the body of this form after the bindings"}, ["expected binding and iterator"] = {"making sure you haven't omitted a local name or iterator"}, ["expected binding sequence"] = {"placing a table here in square brackets containing identifiers to bind"}, ["expected even number of name/value bindings"] = {"finding where the identifier or value is missing"}, ["may only be used at compile time"] = {"moving this to inside a macro if you need to manipulate symbols/lists", "using square brackets instead of parens to construct a table"}, ["unexpected closing delimiter (.)"] = {"deleting %s", "adding matching opening delimiter earlier"}, ["mismatched closing delimiter (.), expected (.)"] = {"replacing %s with %s", "deleting %s", "adding matching opening delimiter earlier"}, ["expected even number of values in table literal"] = {"removing a key", "adding a value"}, ["expected whitespace before opening delimiter"] = {"adding whitespace"}, ["invalid character: (.)"] = {"deleting or replacing %s", "avoiding reserved characters like \", \\, ', ~, ;, @, `, and comma"}, ["could not read number (.*)"] = {"removing the non-digit character", "beginning the identifier with a non-digit if it is not meant to be a number"}, ["can't start multisym segment with a digit"] = {"removing the digit", "adding a non-digit before the digit"}, ["malformed multisym"] = {"ensuring each period or colon is not followed by another period or colon"}, ["method must be last component"] = {"using a period instead of a colon for field access", "removing segments after the colon", "making the method call, then looking up the field on the result"}, ["$ and $... in hashfn are mutually exclusive"] = {"modifying the hashfn so it only contains $... or $, $1, $2, $3, etc"}, ["tried to reference a macro at runtime"] = {"renaming the macro so as not to conflict with locals"}, ["tried to reference a special form at runtime"] = {"wrapping the special in a function if you need it to be first class"}, ["expected even number of pattern/body pairs"] = {"checking that every pattern has a body to go with it", "adding _ before the final body"}, ["unexpected arguments"] = {"removing an argument", "checking for typos"}, ["unexpected iterator clause"] = {"removing an argument", "checking for typos"}}
    local unpack = (table.unpack or _G.unpack)
    local function suggest(msg)
      local suggestion = nil
      for pat, sug in pairs(suggestions) do
        local matches = {msg:match(pat)}
        if (0 < #matches) then
          if ("table" == type(sug)) then
            local out = {}
            for _, s in ipairs(sug) do
              table.insert(out, s:format(unpack(matches)))
            end
            suggestion = out
          else
            suggestion = sug(matches)
          end
        else
        end
      end
      return suggestion
    end
    local function read_line_from_file(filename, line)
      local bytes = 0
      local f = assert(io.open(filename))
      local _
      for _0 = 1, (line - 1) do
        bytes = (bytes + 1 + #f:read())
      end
      _ = nil
      local codeline = f:read()
      f:close()
      return codeline, bytes
    end
    local function read_line_from_string(matcher, target_line, _3fcurrent_line, _3fbytes)
      local this_line, newline = matcher()
      local current_line = (_3fcurrent_line or 1)
      local bytes = ((_3fbytes or 0) + #this_line + #newline)
      if (target_line == current_line) then
        return this_line, (bytes - #this_line - 1)
      elseif this_line then
        return read_line_from_string(matcher, target_line, (current_line + 1), bytes)
      else
        return nil
      end
    end
    local function read_line(filename, line, source)
      if source then
        return read_line_from_string(string.gmatch((source .. "\n"), "(.-)(\13?\n)"), line)
      else
        return read_line_from_file(filename, line)
      end
    end
    local function friendly_msg(msg, _156_, source)
      local _arg_157_ = _156_
      local filename = _arg_157_["filename"]
      local line = _arg_157_["line"]
      local bytestart = _arg_157_["bytestart"]
      local byteend = _arg_157_["byteend"]
      local ok, codeline, bol = pcall(read_line, filename, line, source)
      local suggestions0 = suggest(msg)
      local out = {msg, ""}
      if (ok and codeline) then
        table.insert(out, codeline)
      else
      end
      if (ok and codeline and bytestart and byteend) then
        table.insert(out, (string.rep(" ", (bytestart - bol - 1)) .. "^" .. string.rep("^", math.min((byteend - bytestart), ((bol + #codeline) - bytestart)))))
      else
      end
      if (ok and codeline and bytestart and not byteend) then
        table.insert(out, (string.rep("-", (bytestart - bol - 1)) .. "^"))
        table.insert(out, "")
      else
      end
      if suggestions0 then
        for _, suggestion in ipairs(suggestions0) do
          table.insert(out, ("* Try %s."):format(suggestion))
        end
      else
      end
      return table.concat(out, "\n")
    end
    local function assert_compile(condition, msg, ast, source)
      if not condition then
        local _let_162_ = utils["ast-source"](ast)
        local filename = _let_162_["filename"]
        local line = _let_162_["line"]
        error(friendly_msg(("Compile error in %s:%s\n  %s"):format((filename or "unknown"), (line or "?"), msg), utils["ast-source"](ast), source), 0)
      else
      end
      return condition
    end
    local function parse_error(msg, filename, line, bytestart, source)
      return error(friendly_msg(("Parse error in %s:%s\n  %s"):format(filename, line, msg), {filename = filename, line = line, bytestart = bytestart}, source), 0)
    end
    return {["assert-compile"] = assert_compile, ["parse-error"] = parse_error}
  end
  package.preload["fennel.parser"] = package.preload["fennel.parser"] or function(...)
    local utils = require("fennel.utils")
    local friend = require("fennel.friend")
    local unpack = (table.unpack or _G.unpack)
    local function granulate(getchunk)
      local c, index, done_3f = "", 1, false
      local function _164_(parser_state)
        if not done_3f then
          if (index <= #c) then
            local b = c:byte(index)
            index = (index + 1)
            return b
          else
            local _165_ = getchunk(parser_state)
            local function _166_()
              local char = _165_
              return (char ~= "")
            end
            if ((nil ~= _165_) and _166_()) then
              local char = _165_
              c = char
              index = 2
              return c:byte()
            elseif true then
              local _ = _165_
              done_3f = true
              return nil
            else
              return nil
            end
          end
        else
          return nil
        end
      end
      local function _170_()
        c = ""
        return nil
      end
      return _164_, _170_
    end
    local function string_stream(str)
      local str0 = str:gsub("^#!", ";;")
      local index = 1
      local function _171_()
        local r = str0:byte(index)
        index = (index + 1)
        return r
      end
      return _171_
    end
    local delims = {[40] = 41, [41] = true, [91] = 93, [93] = true, [123] = 125, [125] = true}
    local function whitespace_3f(b)
      return ((b == 32) or ((b >= 9) and (b <= 13)))
    end
    local function sym_char_3f(b)
      local b0
      if ("number" == type(b)) then
        b0 = b
      else
        b0 = string.byte(b)
      end
      return ((b0 > 32) and not delims[b0] and (b0 ~= 127) and (b0 ~= 34) and (b0 ~= 39) and (b0 ~= 126) and (b0 ~= 59) and (b0 ~= 44) and (b0 ~= 64) and (b0 ~= 96))
    end
    local prefixes = {[35] = "hashfn", [39] = "quote", [44] = "unquote", [96] = "quote"}
    local function parser_fn(getbyte, filename, _173_)
      local _arg_174_ = _173_
      local source = _arg_174_["source"]
      local unfriendly = _arg_174_["unfriendly"]
      local comments = _arg_174_["comments"]
      local stack = {}
      local line = 1
      local byteindex = 0
      local lastb = nil
      local function ungetb(ub)
        if (ub == 10) then
          line = (line - 1)
        else
        end
        byteindex = (byteindex - 1)
        lastb = ub
        return nil
      end
      local function getb()
        local r = nil
        if lastb then
          r, lastb = lastb, nil
        else
          r = getbyte({["stack-size"] = #stack})
        end
        byteindex = (byteindex + 1)
        if (r == 10) then
          line = (line + 1)
        else
        end
        return r
      end
      local function parse_error(msg, byteindex_override)
        if (nil == utils.hook("parse-error", msg, filename, (line or "?"), (byteindex_override or byteindex), source, utils.root.reset)) then
          utils.root.reset()
          if (unfriendly or not friend or not _G.io or not _G.io.read) then
            return error(string.format("%s:%s: Parse error: %s", filename, (line or "?"), msg), 0)
          else
            return friend["parse-error"](msg, filename, (line or "?"), (byteindex_override or byteindex), source)
          end
        else
          return nil
        end
      end
      local function parse_stream()
        local whitespace_since_dispatch, done_3f, retval = true
        local function dispatch(v)
          local _180_ = stack[#stack]
          if (_180_ == nil) then
            retval, done_3f, whitespace_since_dispatch = v, true, false
            return nil
          elseif ((_G.type(_180_) == "table") and (nil ~= (_180_).prefix)) then
            local prefix = (_180_).prefix
            local source0
            do
              local _181_ = table.remove(stack)
              do end (_181_)["byteend"] = byteindex
              source0 = _181_
            end
            local list = utils.list(utils.sym(prefix, source0), v)
            for k, v0 in pairs(source0) do
              list[k] = v0
            end
            return dispatch(list)
          elseif (nil ~= _180_) then
            local top = _180_
            whitespace_since_dispatch = false
            return table.insert(top, v)
          else
            return nil
          end
        end
        local function badend()
          local accum = utils.map(stack, "closer")
          local _183_
          if (#stack == 1) then
            _183_ = ""
          else
            _183_ = "s"
          end
          return parse_error(string.format("expected closing delimiter%s %s", _183_, string.char(unpack(accum))))
        end
        local function skip_whitespace(b)
          if (b and whitespace_3f(b)) then
            whitespace_since_dispatch = true
            return skip_whitespace(getb())
          elseif (not b and (#stack > 0)) then
            return badend()
          else
            return b
          end
        end
        local function parse_comment(b, contents)
          if (b and (10 ~= b)) then
            local function _187_()
              local _186_ = contents
              table.insert(_186_, string.char(b))
              return _186_
            end
            return parse_comment(getb(), _187_())
          elseif comments then
            return dispatch(utils.comment(table.concat(contents), {line = (line - 1), filename = filename}))
          else
            return b
          end
        end
        local function open_table(b)
          if not whitespace_since_dispatch then
            parse_error(("expected whitespace before opening delimiter " .. string.char(b)))
          else
          end
          return table.insert(stack, {bytestart = byteindex, closer = delims[b], filename = filename, line = line})
        end
        local function close_list(list)
          return dispatch(setmetatable(list, getmetatable(utils.list())))
        end
        local function close_sequence(tbl)
          local val = utils.sequence(unpack(tbl))
          for k, v in pairs(tbl) do
            getmetatable(val)[k] = v
          end
          return dispatch(val)
        end
        local function add_comment_at(comments0, index, node)
          local _190_ = (comments0)[index]
          if (nil ~= _190_) then
            local existing = _190_
            return table.insert(existing, node)
          elseif true then
            local _ = _190_
            comments0[index] = {node}
            return nil
          else
            return nil
          end
        end
        local function next_noncomment(tbl, i)
          if utils["comment?"](tbl[i]) then
            return next_noncomment(tbl, (i + 1))
          else
            return tbl[i]
          end
        end
        local function extract_comments(tbl)
          local comments0 = {keys = {}, values = {}, last = {}}
          while utils["comment?"](tbl[#tbl]) do
            table.insert(comments0.last, 1, table.remove(tbl))
          end
          local last_key_3f = false
          for i, node in ipairs(tbl) do
            if not utils["comment?"](node) then
              last_key_3f = not last_key_3f
            elseif last_key_3f then
              add_comment_at(comments0.values, next_noncomment(tbl, i), node)
            else
              add_comment_at(comments0.keys, next_noncomment(tbl, i), node)
            end
          end
          for i = #tbl, 1, -1 do
            if utils["comment?"](tbl[i]) then
              table.remove(tbl, i)
            else
            end
          end
          return comments0
        end
        local function close_curly_table(tbl)
          local comments0 = extract_comments(tbl)
          local keys = {}
          local val = {}
          if ((#tbl % 2) ~= 0) then
            byteindex = (byteindex - 1)
            parse_error("expected even number of values in table literal")
          else
          end
          setmetatable(val, tbl)
          for i = 1, #tbl, 2 do
            if ((tostring(tbl[i]) == ":") and utils["sym?"](tbl[(i + 1)]) and utils["sym?"](tbl[i])) then
              tbl[i] = tostring(tbl[(i + 1)])
            else
            end
            val[tbl[i]] = tbl[(i + 1)]
            table.insert(keys, tbl[i])
          end
          tbl.comments = comments0
          tbl.keys = keys
          return dispatch(val)
        end
        local function close_table(b)
          local top = table.remove(stack)
          if (top == nil) then
            parse_error(("unexpected closing delimiter " .. string.char(b)))
          else
          end
          if (top.closer and (top.closer ~= b)) then
            parse_error(("mismatched closing delimiter " .. string.char(b) .. ", expected " .. string.char(top.closer)))
          else
          end
          top.byteend = byteindex
          if (b == 41) then
            return close_list(top)
          elseif (b == 93) then
            return close_sequence(top)
          else
            return close_curly_table(top)
          end
        end
        local function parse_string_loop(chars, b, state)
          table.insert(chars, b)
          local state0
          do
            local _200_ = {state, b}
            if ((_G.type(_200_) == "table") and ((_200_)[1] == "base") and ((_200_)[2] == 92)) then
              state0 = "backslash"
            elseif ((_G.type(_200_) == "table") and ((_200_)[1] == "base") and ((_200_)[2] == 34)) then
              state0 = "done"
            elseif ((_G.type(_200_) == "table") and ((_200_)[1] == "backslash") and ((_200_)[2] == 10)) then
              table.remove(chars, (#chars - 1))
              state0 = "base"
            elseif true then
              local _ = _200_
              state0 = "base"
            else
              state0 = nil
            end
          end
          if (b and (state0 ~= "done")) then
            return parse_string_loop(chars, getb(), state0)
          else
            return b
          end
        end
        local function escape_char(c)
          return ({[7] = "\\a", [8] = "\\b", [9] = "\\t", [10] = "\\n", [11] = "\\v", [12] = "\\f", [13] = "\\r"})[c:byte()]
        end
        local function parse_string()
          table.insert(stack, {closer = 34})
          local chars = {34}
          if not parse_string_loop(chars, getb(), "base") then
            badend()
          else
          end
          table.remove(stack)
          local raw = string.char(unpack(chars))
          local formatted = raw:gsub("[\7-\13]", escape_char)
          local _204_ = (rawget(_G, "loadstring") or load)(("return " .. formatted))
          if (nil ~= _204_) then
            local load_fn = _204_
            return dispatch(load_fn())
          elseif (_204_ == nil) then
            return parse_error(("Invalid string: " .. raw))
          else
            return nil
          end
        end
        local function parse_prefix(b)
          table.insert(stack, {prefix = prefixes[b], filename = filename, line = line, bytestart = byteindex})
          local nextb = getb()
          if (whitespace_3f(nextb) or (true == delims[nextb])) then
            if (b ~= 35) then
              parse_error("invalid whitespace after quoting prefix")
            else
            end
            table.remove(stack)
            dispatch(utils.sym("#"))
          else
          end
          return ungetb(nextb)
        end
        local function parse_sym_loop(chars, b)
          if (b and sym_char_3f(b)) then
            table.insert(chars, b)
            return parse_sym_loop(chars, getb())
          else
            if b then
              ungetb(b)
            else
            end
            return chars
          end
        end
        local function parse_number(rawstr)
          local number_with_stripped_underscores = (not rawstr:find("^_") and rawstr:gsub("_", ""))
          if rawstr:match("^%d") then
            dispatch((tonumber(number_with_stripped_underscores) or parse_error(("could not read number \"" .. rawstr .. "\""))))
            return true
          else
            local _210_ = tonumber(number_with_stripped_underscores)
            if (nil ~= _210_) then
              local x = _210_
              dispatch(x)
              return true
            elseif true then
              local _ = _210_
              return false
            else
              return nil
            end
          end
        end
        local function check_malformed_sym(rawstr)
          if (rawstr:match("^~") and (rawstr ~= "~=")) then
            return parse_error("invalid character: ~")
          elseif rawstr:match("%.[0-9]") then
            return parse_error(("can't start multisym segment with a digit: " .. rawstr), (((byteindex - #rawstr) + rawstr:find("%.[0-9]")) + 1))
          elseif (rawstr:match("[%.:][%.:]") and (rawstr ~= "..") and (rawstr ~= "$...")) then
            return parse_error(("malformed multisym: " .. rawstr), ((byteindex - #rawstr) + 1 + rawstr:find("[%.:][%.:]")))
          elseif ((rawstr ~= ":") and rawstr:match(":$")) then
            return parse_error(("malformed multisym: " .. rawstr), ((byteindex - #rawstr) + 1 + rawstr:find(":$")))
          elseif rawstr:match(":.+[%.:]") then
            return parse_error(("method must be last component of multisym: " .. rawstr), ((byteindex - #rawstr) + rawstr:find(":.+[%.:]")))
          else
            return rawstr
          end
        end
        local function parse_sym(b)
          local bytestart = byteindex
          local rawstr = string.char(unpack(parse_sym_loop({b}, getb())))
          local source0 = {byteend = byteindex, bytestart = bytestart, filename = filename, line = line}
          if (rawstr == "true") then
            return dispatch(true)
          elseif (rawstr == "false") then
            return dispatch(false)
          elseif (rawstr == "...") then
            return dispatch(utils.varg(source0))
          elseif rawstr:match("^:.+$") then
            return dispatch(rawstr:sub(2))
          elseif not parse_number(rawstr) then
            return dispatch(utils.sym(check_malformed_sym(rawstr), source0))
          else
            return nil
          end
        end
        local function parse_loop(b)
          if not b then
          elseif (b == 59) then
            parse_comment(getb(), {";"})
          elseif (type(delims[b]) == "number") then
            open_table(b)
          elseif delims[b] then
            close_table(b)
          elseif (b == 34) then
            parse_string(b)
          elseif prefixes[b] then
            parse_prefix(b)
          elseif (sym_char_3f(b) or (b == string.byte("~"))) then
            parse_sym(b)
          elseif not utils.hook("illegal-char", b, getb, ungetb, dispatch) then
            parse_error(("invalid character: " .. string.char(b)))
          else
          end
          if not b then
            return nil
          elseif done_3f then
            return true, retval
          else
            return parse_loop(skip_whitespace(getb()))
          end
        end
        return parse_loop(skip_whitespace(getb()))
      end
      local function _217_()
        stack, line, byteindex, lastb = {}, 1, 0, nil
        return nil
      end
      return parse_stream, _217_
    end
    local function parser(stream_or_string, _3ffilename, _3foptions)
      local filename = (_3ffilename or "unknown")
      local options = (_3foptions or utils.root.options or {})
      assert(("string" == type(filename)), "expected filename as second argument to parser")
      if ("string" == type(stream_or_string)) then
        return parser_fn(string_stream(stream_or_string), filename, options)
      else
        return parser_fn(stream_or_string, filename, options)
      end
    end
    return {granulate = granulate, parser = parser, ["string-stream"] = string_stream, ["sym-char?"] = sym_char_3f}
  end
  local utils
  package.preload["fennel.view"] = package.preload["fennel.view"] or function(...)
    local type_order = {number = 1, boolean = 2, string = 3, table = 4, ["function"] = 5, userdata = 6, thread = 7}
    local lua_pairs = pairs
    local lua_ipairs = ipairs
    local function pairs(t)
      local _1_ = getmetatable(t)
      if ((_G.type(_1_) == "table") and (nil ~= (_1_).__pairs)) then
        local p = (_1_).__pairs
        return p(t)
      elseif true then
        local _ = _1_
        return lua_pairs(t)
      else
        return nil
      end
    end
    local function ipairs(t)
      local _3_ = getmetatable(t)
      if ((_G.type(_3_) == "table") and (nil ~= (_3_).__ipairs)) then
        local i = (_3_).__ipairs
        return i(t)
      elseif true then
        local _ = _3_
        return lua_ipairs(t)
      else
        return nil
      end
    end
    local function length_2a(t)
      local _5_ = getmetatable(t)
      if ((_G.type(_5_) == "table") and (nil ~= (_5_).__len)) then
        local l = (_5_).__len
        return l(t)
      elseif true then
        local _ = _5_
        return #t
      else
        return nil
      end
    end
    local function sort_keys(_7_, _9_)
      local _arg_8_ = _7_
      local a = _arg_8_[1]
      local _arg_10_ = _9_
      local b = _arg_10_[1]
      local ta = type(a)
      local tb = type(b)
      if ((ta == tb) and ((ta == "string") or (ta == "number"))) then
        return (a < b)
      else
        local dta = type_order[ta]
        local dtb = type_order[tb]
        if (dta and dtb) then
          return (dta < dtb)
        elseif dta then
          return true
        elseif dtb then
          return false
        else
          return (ta < tb)
        end
      end
    end
    local function max_index_gap(kv)
      local gap = 0
      if (length_2a(kv) > 0) then
        local i = 0
        for _, _13_ in ipairs(kv) do
          local _each_14_ = _13_
          local k = _each_14_[1]
          if ((k - i) > gap) then
            gap = (k - i)
          else
          end
          i = k
        end
      else
      end
      return gap
    end
    local function fill_gaps(kv)
      local missing_indexes = {}
      local i = 0
      for _, _17_ in ipairs(kv) do
        local _each_18_ = _17_
        local j = _each_18_[1]
        i = (i + 1)
        while (i < j) do
          table.insert(missing_indexes, i)
          i = (i + 1)
        end
      end
      for _, k in ipairs(missing_indexes) do
        table.insert(kv, k, {k})
      end
      return nil
    end
    local function table_kv_pairs(t, options)
      local assoc_3f = false
      local kv = {}
      local insert = table.insert
      for k, v in pairs(t) do
        if ((type(k) ~= "number") or (k < 1)) then
          assoc_3f = true
        else
        end
        insert(kv, {k, v})
      end
      table.sort(kv, sort_keys)
      if not assoc_3f then
        if (max_index_gap(kv) > options["max-sparse-gap"]) then
          assoc_3f = true
        else
          fill_gaps(kv)
        end
      else
      end
      if (length_2a(kv) == 0) then
        return kv, "empty"
      else
        local function _22_()
          if assoc_3f then
            return "table"
          else
            return "seq"
          end
        end
        return kv, _22_()
      end
    end
    local function count_table_appearances(t, appearances)
      if (type(t) == "table") then
        if not appearances[t] then
          appearances[t] = 1
          for k, v in pairs(t) do
            count_table_appearances(k, appearances)
            count_table_appearances(v, appearances)
          end
        else
          appearances[t] = ((appearances[t] or 0) + 1)
        end
      else
      end
      return appearances
    end
    local function save_table(t, seen)
      local seen0 = (seen or {len = 0})
      local id = (seen0.len + 1)
      if not (seen0)[t] then
        seen0[t] = id
        seen0.len = id
      else
      end
      return seen0
    end
    local function detect_cycle(t, seen, _3fk)
      if ("table" == type(t)) then
        seen[t] = true
        local _27_, _28_ = next(t, _3fk)
        if ((nil ~= _27_) and (nil ~= _28_)) then
          local k = _27_
          local v = _28_
          return (seen[k] or detect_cycle(k, seen) or seen[v] or detect_cycle(v, seen) or detect_cycle(t, seen, k))
        else
          return nil
        end
      else
        return nil
      end
    end
    local function visible_cycle_3f(t, options)
      return (options["detect-cycles?"] and detect_cycle(t, {}) and save_table(t, options.seen) and (1 < (options.appearances[t] or 0)))
    end
    local function table_indent(indent, id)
      local opener_length
      if id then
        opener_length = (length_2a(tostring(id)) + 2)
      else
        opener_length = 1
      end
      return (indent + opener_length)
    end
    local pp = nil
    local function concat_table_lines(elements, options, multiline_3f, indent, table_type, prefix)
      local indent_str = ("\n" .. string.rep(" ", indent))
      local open
      local function _32_()
        if ("seq" == table_type) then
          return "["
        else
          return "{"
        end
      end
      open = ((prefix or "") .. _32_())
      local close
      if ("seq" == table_type) then
        close = "]"
      else
        close = "}"
      end
      local oneline = (open .. table.concat(elements, " ") .. close)
      if (not options["one-line?"] and (multiline_3f or ((indent + length_2a(oneline)) > options["line-length"]))) then
        return (open .. table.concat(elements, indent_str) .. close)
      else
        return oneline
      end
    end
    local function utf8_len(x)
      local n = 0
      for _ in string.gmatch(x, "[%z\1-\127\192-\247]") do
        n = (n + 1)
      end
      return n
    end
    local function pp_associative(t, kv, options, indent)
      local multiline_3f = false
      local id = options.seen[t]
      if (options.level >= options.depth) then
        return "{...}"
      elseif (id and options["detect-cycles?"]) then
        return ("@" .. id .. "{...}")
      else
        local visible_cycle_3f0 = visible_cycle_3f(t, options)
        local id0 = (visible_cycle_3f0 and options.seen[t])
        local indent0 = table_indent(indent, id0)
        local slength
        if options["utf8?"] then
          slength = utf8_len
        else
          local function _35_(_241)
            return #_241
          end
          slength = _35_
        end
        local prefix
        if visible_cycle_3f0 then
          prefix = ("@" .. id0)
        else
          prefix = ""
        end
        local items
        do
          local tbl_14_auto = {}
          local i_15_auto = #tbl_14_auto
          for _, _38_ in pairs(kv) do
            local _each_39_ = _38_
            local k = _each_39_[1]
            local v = _each_39_[2]
            local val_16_auto
            do
              local k0 = pp(k, options, (indent0 + 1), true)
              local v0 = pp(v, options, (indent0 + slength(k0) + 1))
              multiline_3f = (multiline_3f or k0:find("\n") or v0:find("\n"))
              val_16_auto = (k0 .. " " .. v0)
            end
            if (nil ~= val_16_auto) then
              i_15_auto = (i_15_auto + 1)
              do end (tbl_14_auto)[i_15_auto] = val_16_auto
            else
            end
          end
          items = tbl_14_auto
        end
        return concat_table_lines(items, options, multiline_3f, indent0, "table", prefix)
      end
    end
    local function pp_sequence(t, kv, options, indent)
      local multiline_3f = false
      local id = options.seen[t]
      if (options.level >= options.depth) then
        return "[...]"
      elseif (id and options["detect-cycles?"]) then
        return ("@" .. id .. "[...]")
      else
        local visible_cycle_3f0 = visible_cycle_3f(t, options)
        local id0 = (visible_cycle_3f0 and options.seen[t])
        local indent0 = table_indent(indent, id0)
        local prefix
        if visible_cycle_3f0 then
          prefix = ("@" .. id0)
        else
          prefix = ""
        end
        local items
        do
          local tbl_14_auto = {}
          local i_15_auto = #tbl_14_auto
          for _, _43_ in pairs(kv) do
            local _each_44_ = _43_
            local _0 = _each_44_[1]
            local v = _each_44_[2]
            local val_16_auto
            do
              local v0 = pp(v, options, indent0)
              multiline_3f = (multiline_3f or v0:find("\n"))
              val_16_auto = v0
            end
            if (nil ~= val_16_auto) then
              i_15_auto = (i_15_auto + 1)
              do end (tbl_14_auto)[i_15_auto] = val_16_auto
            else
            end
          end
          items = tbl_14_auto
        end
        return concat_table_lines(items, options, multiline_3f, indent0, "seq", prefix)
      end
    end
    local function concat_lines(lines, options, indent, force_multi_line_3f)
      if (length_2a(lines) == 0) then
        if options["empty-as-sequence?"] then
          return "[]"
        else
          return "{}"
        end
      else
        local oneline
        local _48_
        do
          local tbl_14_auto = {}
          local i_15_auto = #tbl_14_auto
          for _, line in ipairs(lines) do
            local val_16_auto = line:gsub("^%s+", "")
            if (nil ~= val_16_auto) then
              i_15_auto = (i_15_auto + 1)
              do end (tbl_14_auto)[i_15_auto] = val_16_auto
            else
            end
          end
          _48_ = tbl_14_auto
        end
        oneline = table.concat(_48_, " ")
        if (not options["one-line?"] and (force_multi_line_3f or oneline:find("\n") or ((indent + length_2a(oneline)) > options["line-length"]))) then
          return table.concat(lines, ("\n" .. string.rep(" ", indent)))
        else
          return oneline
        end
      end
    end
    local function pp_metamethod(t, metamethod, options, indent)
      if (options.level >= options.depth) then
        if options["empty-as-sequence?"] then
          return "[...]"
        else
          return "{...}"
        end
      else
        local _
        local function _53_(_241)
          return visible_cycle_3f(_241, options)
        end
        options["visible-cycle?"] = _53_
        _ = nil
        local lines, force_multi_line_3f = metamethod(t, pp, options, indent)
        options["visible-cycle?"] = nil
        local _54_ = type(lines)
        if (_54_ == "string") then
          return lines
        elseif (_54_ == "table") then
          return concat_lines(lines, options, indent, force_multi_line_3f)
        elseif true then
          local _0 = _54_
          return error("__fennelview metamethod must return a table of lines")
        else
          return nil
        end
      end
    end
    local function pp_table(x, options, indent)
      options.level = (options.level + 1)
      local x0
      do
        local _57_
        if options["metamethod?"] then
          local _58_ = x
          if (nil ~= _58_) then
            local _59_ = getmetatable(_58_)
            if (nil ~= _59_) then
              _57_ = (_59_).__fennelview
            else
              _57_ = _59_
            end
          else
            _57_ = _58_
          end
        else
          _57_ = nil
        end
        if (nil ~= _57_) then
          local metamethod = _57_
          x0 = pp_metamethod(x, metamethod, options, indent)
        elseif true then
          local _ = _57_
          local _63_, _64_ = table_kv_pairs(x, options)
          if (true and (_64_ == "empty")) then
            local _0 = _63_
            if options["empty-as-sequence?"] then
              x0 = "[]"
            else
              x0 = "{}"
            end
          elseif ((nil ~= _63_) and (_64_ == "table")) then
            local kv = _63_
            x0 = pp_associative(x, kv, options, indent)
          elseif ((nil ~= _63_) and (_64_ == "seq")) then
            local kv = _63_
            x0 = pp_sequence(x, kv, options, indent)
          else
            x0 = nil
          end
        else
          x0 = nil
        end
      end
      options.level = (options.level - 1)
      return x0
    end
    local function number__3estring(n)
      local _68_ = string.gsub(tostring(n), ",", ".")
      return _68_
    end
    local function colon_string_3f(s)
      return s:find("^[-%w?^_!$%&*+./@|<=>]+$")
    end
    local utf8_inits = {{["min-byte"] = 0, ["max-byte"] = 127, ["min-code"] = 0, ["max-code"] = 127, len = 1}, {["min-byte"] = 192, ["max-byte"] = 223, ["min-code"] = 128, ["max-code"] = 2047, len = 2}, {["min-byte"] = 224, ["max-byte"] = 239, ["min-code"] = 2048, ["max-code"] = 65535, len = 3}, {["min-byte"] = 240, ["max-byte"] = 247, ["min-code"] = 65536, ["max-code"] = 1114111, len = 4}}
    local function utf8_escape(str)
      local function validate_utf8(str0, index)
        local inits = utf8_inits
        local byte = string.byte(str0, index)
        local init
        do
          local ret = nil
          for _, init0 in ipairs(inits) do
            if ret then break end
            ret = (byte and (function(_69_,_70_,_71_) return (_69_ >= _70_) and (_70_ >= _71_) end)(init0["max-byte"],byte,init0["min-byte"]) and init0)
          end
          init = ret
        end
        local code
        local function _72_()
          local code0
          if init then
            code0 = (byte - init["min-byte"])
          else
            code0 = nil
          end
          for i = (index + 1), (index + init.len + -1) do
            local byte0 = string.byte(str0, i)
            code0 = (byte0 and code0 and (function(_74_,_75_,_76_) return (_74_ >= _75_) and (_75_ >= _76_) end)(191,byte0,128) and ((code0 * 64) + (byte0 - 128)))
          end
          return code0
        end
        code = (init and _72_())
        if (code and (function(_77_,_78_,_79_) return (_77_ >= _78_) and (_78_ >= _79_) end)(init["max-code"],code,init["min-code"]) and not (function(_80_,_81_,_82_) return (_80_ >= _81_) and (_81_ >= _82_) end)(57343,code,55296)) then
          return init.len
        else
          return nil
        end
      end
      local index = 1
      local output = {}
      while (index <= #str) do
        local nexti = (string.find(str, "[\128-\255]", index) or (#str + 1))
        local len = validate_utf8(str, nexti)
        table.insert(output, string.sub(str, index, (nexti + (len or 0) + -1)))
        if (not len and (nexti <= #str)) then
          table.insert(output, string.format("\\%03d", string.byte(str, nexti)))
        else
        end
        if len then
          index = (nexti + len)
        else
          index = (nexti + 1)
        end
      end
      return table.concat(output)
    end
    local function pp_string(str, options, indent)
      local escs
      local _86_
      if (options["escape-newlines?"] and (length_2a(str) < (options["line-length"] - indent))) then
        _86_ = "\\n"
      else
        _86_ = "\n"
      end
      local function _88_(_241, _242)
        return ("\\%03d"):format(_242:byte())
      end
      escs = setmetatable({["\7"] = "\\a", ["\8"] = "\\b", ["\12"] = "\\f", ["\11"] = "\\v", ["\13"] = "\\r", ["\9"] = "\\t", ["\\"] = "\\\\", ["\""] = "\\\"", ["\n"] = _86_}, {__index = _88_})
      local str0 = ("\"" .. str:gsub("[%c\\\"]", escs) .. "\"")
      if options["utf8?"] then
        return utf8_escape(str0)
      else
        return str0
      end
    end
    local function make_options(t, options)
      local defaults = {["line-length"] = 80, ["one-line?"] = false, depth = 128, ["detect-cycles?"] = true, ["empty-as-sequence?"] = false, ["metamethod?"] = true, ["prefer-colon?"] = false, ["escape-newlines?"] = false, ["utf8?"] = true, ["max-sparse-gap"] = 10}
      local overrides = {level = 0, appearances = count_table_appearances(t, {}), seen = {len = 0}}
      for k, v in pairs((options or {})) do
        defaults[k] = v
      end
      for k, v in pairs(overrides) do
        defaults[k] = v
      end
      return defaults
    end
    local function _90_(x, options, indent, colon_3f)
      local indent0 = (indent or 0)
      local options0 = (options or make_options(x))
      local x0
      if options0.preprocess then
        x0 = options0.preprocess(x, options0)
      else
        x0 = x
      end
      local tv = type(x0)
      local function _93_()
        local _92_ = getmetatable(x0)
        if (nil ~= _92_) then
          return (_92_).__fennelview
        else
          return _92_
        end
      end
      if ((tv == "table") or ((tv == "userdata") and _93_())) then
        return pp_table(x0, options0, indent0)
      elseif (tv == "number") then
        return number__3estring(x0)
      else
        local function _95_()
          if (colon_3f ~= nil) then
            return colon_3f
          elseif ("function" == type(options0["prefer-colon?"])) then
            return options0["prefer-colon?"](x0)
          else
            return options0["prefer-colon?"]
          end
        end
        if ((tv == "string") and colon_string_3f(x0) and _95_()) then
          return (":" .. x0)
        elseif (tv == "string") then
          return pp_string(x0, options0, indent0)
        elseif ((tv == "boolean") or (tv == "nil")) then
          return tostring(x0)
        else
          return ("#<" .. tostring(x0) .. ">")
        end
      end
    end
    pp = _90_
    local function view(x, _3foptions)
      return pp(x, make_options(x, _3foptions), 0)
    end
    return view
  end
  package.preload["fennel.utils"] = package.preload["fennel.utils"] or function(...)
    local view = require("fennel.view")
    local version = "1.1.0"
    local function luajit_vm_3f()
      return ((nil ~= jit) and (type(jit) == "table") and (nil ~= jit.on) and (nil ~= jit.off) and (type(jit.version_num) == "number"))
    end
    local function luajit_vm_version()
      local jit_os
      if (jit.os == "OSX") then
        jit_os = "macOS"
      else
        jit_os = jit.os
      end
      return (jit.version .. " " .. jit_os .. "/" .. jit.arch)
    end
    local function fengari_vm_3f()
      return ((nil ~= fengari) and (type(fengari) == "table") and (nil ~= fengari.VERSION) and (type(fengari.VERSION_NUM) == "number"))
    end
    local function fengari_vm_version()
      return (fengari.RELEASE .. " (" .. _VERSION .. ")")
    end
    local function lua_vm_version()
      if luajit_vm_3f() then
        return luajit_vm_version()
      elseif fengari_vm_3f() then
        return fengari_vm_version()
      else
        return ("PUC " .. _VERSION)
      end
    end
    local function runtime_version()
      return ("Fennel " .. version .. " on " .. lua_vm_version())
    end
    local function warn(message)
      if (_G.io and _G.io.stderr) then
        return (_G.io.stderr):write(("--WARNING: %s\n"):format(tostring(message)))
      else
        return nil
      end
    end
    local function stablepairs(t)
      local keys = {}
      local used_keys = {}
      local succ = {}
      if (getmetatable(t) and getmetatable(t).keys) then
        for _, k in ipairs(getmetatable(t).keys) do
          if used_keys[k] then
            for i = #keys, 1, -1 do
              if (keys[i] == k) then
                table.remove(keys, i)
              else
              end
            end
          else
          end
          used_keys[k] = true
          table.insert(keys, k)
        end
      else
        for k in pairs(t) do
          table.insert(keys, k)
        end
        local function _102_(_241, _242)
          return (tostring(_241) < tostring(_242))
        end
        table.sort(keys, _102_)
      end
      for i, k in ipairs(keys) do
        succ[k] = keys[(i + 1)]
      end
      local function stablenext(tbl, idx)
        local key
        if (idx == nil) then
          key = keys[1]
        else
          key = succ[idx]
        end
        local value
        if (key == nil) then
          value = nil
        else
          value = tbl[key]
        end
        return key, value
      end
      return stablenext, t, nil
    end
    local function map(t, f, _3fout)
      local out = (_3fout or {})
      local f0
      if (type(f) == "function") then
        f0 = f
      else
        local function _106_(_241)
          return (_241)[f]
        end
        f0 = _106_
      end
      for _, x in ipairs(t) do
        local _108_ = f0(x)
        if (nil ~= _108_) then
          local v = _108_
          table.insert(out, v)
        else
        end
      end
      return out
    end
    local function kvmap(t, f, _3fout)
      local out = (_3fout or {})
      local f0
      if (type(f) == "function") then
        f0 = f
      else
        local function _110_(_241)
          return (_241)[f]
        end
        f0 = _110_
      end
      for k, x in stablepairs(t) do
        local _112_, _113_ = f0(k, x)
        if ((nil ~= _112_) and (nil ~= _113_)) then
          local key = _112_
          local value = _113_
          out[key] = value
        elseif (nil ~= _112_) then
          local value = _112_
          table.insert(out, value)
        else
        end
      end
      return out
    end
    local function copy(from, _3fto)
      local tbl_11_auto = (_3fto or {})
      for k, v in pairs((from or {})) do
        local _115_, _116_ = k, v
        if ((nil ~= _115_) and (nil ~= _116_)) then
          local k_12_auto = _115_
          local v_13_auto = _116_
          tbl_11_auto[k_12_auto] = v_13_auto
        else
        end
      end
      return tbl_11_auto
    end
    local function member_3f(x, tbl, _3fn)
      local _118_ = tbl[(_3fn or 1)]
      if (_118_ == x) then
        return true
      elseif (_118_ == nil) then
        return nil
      elseif true then
        local _ = _118_
        return member_3f(x, tbl, ((_3fn or 1) + 1))
      else
        return nil
      end
    end
    local function allpairs(tbl)
      assert((type(tbl) == "table"), "allpairs expects a table")
      local t = tbl
      local seen = {}
      local function allpairs_next(_, state)
        local next_state, value = next(t, state)
        if seen[next_state] then
          return allpairs_next(nil, next_state)
        elseif next_state then
          seen[next_state] = true
          return next_state, value
        else
          local _120_ = getmetatable(t)
          if ((_G.type(_120_) == "table") and true) then
            local __index = (_120_).__index
            if ("table" == type(__index)) then
              t = __index
              return allpairs_next(t)
            else
              return nil
            end
          else
            return nil
          end
        end
      end
      return allpairs_next
    end
    local function deref(self)
      return self[1]
    end
    local nil_sym = nil
    local function list__3estring(self, _3ftostring2)
      local safe, max = {}, 0
      for k in pairs(self) do
        if ((type(k) == "number") and (k > max)) then
          max = k
        else
        end
      end
      for i = 1, max do
        safe[i] = (((self[i] == nil) and nil_sym) or self[i])
      end
      return ("(" .. table.concat(map(safe, (_3ftostring2 or view)), " ", 1, max) .. ")")
    end
    local function comment_view(c)
      return c, true
    end
    local function sym_3d(a, b)
      return ((deref(a) == deref(b)) and (getmetatable(a) == getmetatable(b)))
    end
    local function sym_3c(a, b)
      return (a[1] < tostring(b))
    end
    local symbol_mt = {__fennelview = deref, __tostring = deref, __eq = sym_3d, __lt = sym_3c, "SYMBOL"}
    local expr_mt
    local function _125_(x)
      return tostring(deref(x))
    end
    expr_mt = {__tostring = _125_, "EXPR"}
    local list_mt = {__fennelview = list__3estring, __tostring = list__3estring, "LIST"}
    local comment_mt = {__fennelview = comment_view, __tostring = deref, __eq = sym_3d, __lt = sym_3c, "COMMENT"}
    local sequence_marker = {"SEQUENCE"}
    local varg_mt = {__fennelview = deref, __tostring = deref, "VARARG"}
    local getenv
    local function _126_()
      return nil
    end
    getenv = ((os and os.getenv) or _126_)
    local function debug_on_3f(flag)
      local level = (getenv("FENNEL_DEBUG") or "")
      return ((level == "all") or level:find(flag))
    end
    local function list(...)
      return setmetatable({...}, list_mt)
    end
    local function sym(str, _3fsource)
      local _127_
      do
        local tbl_11_auto = {str}
        for k, v in pairs((_3fsource or {})) do
          local _128_, _129_ = nil, nil
          if (type(k) == "string") then
            _128_, _129_ = k, v
          else
            _128_, _129_ = nil
          end
          if ((nil ~= _128_) and (nil ~= _129_)) then
            local k_12_auto = _128_
            local v_13_auto = _129_
            tbl_11_auto[k_12_auto] = v_13_auto
          else
          end
        end
        _127_ = tbl_11_auto
      end
      return setmetatable(_127_, symbol_mt)
    end
    nil_sym = sym("nil")
    local function sequence(...)
      return setmetatable({...}, {sequence = sequence_marker})
    end
    local function expr(strcode, etype)
      return setmetatable({type = etype, strcode}, expr_mt)
    end
    local function comment_2a(contents, _3fsource)
      local _let_132_ = (_3fsource or {})
      local filename = _let_132_["filename"]
      local line = _let_132_["line"]
      return setmetatable({filename = filename, line = line, contents}, comment_mt)
    end
    local function varg(_3fsource)
      local _133_
      do
        local tbl_11_auto = {"..."}
        for k, v in pairs((_3fsource or {})) do
          local _134_, _135_ = nil, nil
          if (type(k) == "string") then
            _134_, _135_ = k, v
          else
            _134_, _135_ = nil
          end
          if ((nil ~= _134_) and (nil ~= _135_)) then
            local k_12_auto = _134_
            local v_13_auto = _135_
            tbl_11_auto[k_12_auto] = v_13_auto
          else
          end
        end
        _133_ = tbl_11_auto
      end
      return setmetatable(_133_, varg_mt)
    end
    local function expr_3f(x)
      return ((type(x) == "table") and (getmetatable(x) == expr_mt) and x)
    end
    local function varg_3f(x)
      return ((type(x) == "table") and (getmetatable(x) == varg_mt) and x)
    end
    local function list_3f(x)
      return ((type(x) == "table") and (getmetatable(x) == list_mt) and x)
    end
    local function sym_3f(x)
      return ((type(x) == "table") and (getmetatable(x) == symbol_mt) and x)
    end
    local function sequence_3f(x)
      local mt = ((type(x) == "table") and getmetatable(x))
      return (mt and (mt.sequence == sequence_marker) and x)
    end
    local function comment_3f(x)
      return ((type(x) == "table") and (getmetatable(x) == comment_mt) and x)
    end
    local function table_3f(x)
      return ((type(x) == "table") and not varg_3f(x) and (getmetatable(x) ~= list_mt) and (getmetatable(x) ~= symbol_mt) and not comment_3f(x) and x)
    end
    local function string_3f(x)
      return (type(x) == "string")
    end
    local function multi_sym_3f(str)
      if sym_3f(str) then
        return multi_sym_3f(tostring(str))
      elseif (type(str) ~= "string") then
        return false
      else
        local parts = {}
        for part in str:gmatch("[^%.%:]+[%.%:]?") do
          local last_char = part:sub(( - 1))
          if (last_char == ":") then
            parts["multi-sym-method-call"] = true
          else
          end
          if ((last_char == ":") or (last_char == ".")) then
            parts[(#parts + 1)] = part:sub(1, ( - 2))
          else
            parts[(#parts + 1)] = part
          end
        end
        return ((#parts > 0) and (str:match("%.") or str:match(":")) and not str:match("%.%.") and (str:byte() ~= string.byte(".")) and (str:byte(( - 1)) ~= string.byte(".")) and parts)
      end
    end
    local function quoted_3f(symbol)
      return symbol.quoted
    end
    local function ast_source(ast)
      if table_3f(ast) then
        return (getmetatable(ast) or {})
      elseif ("table" == type(ast)) then
        return ast
      else
        return {}
      end
    end
    local function walk_tree(root, f, _3fcustom_iterator)
      local function walk(iterfn, parent, idx, node)
        if f(idx, node, parent) then
          for k, v in iterfn(node) do
            walk(iterfn, node, k, v)
          end
          return nil
        else
          return nil
        end
      end
      walk((_3fcustom_iterator or pairs), nil, nil, root)
      return root
    end
    local lua_keywords = {"and", "break", "do", "else", "elseif", "end", "false", "for", "function", "if", "in", "local", "nil", "not", "or", "repeat", "return", "then", "true", "until", "while", "goto"}
    for i, v in ipairs(lua_keywords) do
      lua_keywords[v] = i
    end
    local function valid_lua_identifier_3f(str)
      return (str:match("^[%a_][%w_]*$") and not lua_keywords[str])
    end
    local propagated_options = {"allowedGlobals", "indent", "correlate", "useMetadata", "env", "compiler-env", "compilerEnv"}
    local function propagate_options(options, subopts)
      for _, name in ipairs(propagated_options) do
        subopts[name] = options[name]
      end
      return subopts
    end
    local root
    local function _143_()
    end
    root = {chunk = nil, scope = nil, options = nil, reset = _143_}
    root["set-reset"] = function(_144_)
      local _arg_145_ = _144_
      local chunk = _arg_145_["chunk"]
      local scope = _arg_145_["scope"]
      local options = _arg_145_["options"]
      local reset = _arg_145_["reset"]
      root.reset = function()
        root.chunk, root.scope, root.options, root.reset = chunk, scope, options, reset
        return nil
      end
      return root.reset
    end
    local warned = {}
    local function check_plugin_version(_146_)
      local _arg_147_ = _146_
      local name = _arg_147_["name"]
      local versions = _arg_147_["versions"]
      local plugin = _arg_147_
      if (not member_3f(version:gsub("-dev", ""), (versions or {})) and not warned[plugin]) then
        warned[plugin] = true
        return warn(string.format("plugin %s does not support Fennel version %s", (name or "unknown"), version))
      else
        return nil
      end
    end
    local function hook(event, ...)
      local result = nil
      if (root.options and root.options.plugins) then
        for _, plugin in ipairs(root.options.plugins) do
          if result then break end
          check_plugin_version(plugin)
          local _149_ = plugin[event]
          if (nil ~= _149_) then
            local f = _149_
            result = f(...)
          else
          end
        end
      else
      end
      return result
    end
    return {warn = warn, allpairs = allpairs, stablepairs = stablepairs, copy = copy, kvmap = kvmap, map = map, ["walk-tree"] = walk_tree, ["member?"] = member_3f, list = list, sequence = sequence, sym = sym, varg = varg, expr = expr, comment = comment_2a, ["comment?"] = comment_3f, ["expr?"] = expr_3f, ["list?"] = list_3f, ["multi-sym?"] = multi_sym_3f, ["sequence?"] = sequence_3f, ["sym?"] = sym_3f, ["table?"] = table_3f, ["varg?"] = varg_3f, ["quoted?"] = quoted_3f, ["string?"] = string_3f, ["valid-lua-identifier?"] = valid_lua_identifier_3f, ["lua-keywords"] = lua_keywords, hook = hook, ["propagate-options"] = propagate_options, root = root, ["debug-on?"] = debug_on_3f, ["ast-source"] = ast_source, version = version, ["runtime-version"] = runtime_version, path = table.concat({"./?.fnl", "./?/init.fnl", getenv("FENNEL_PATH")}, ";"), ["macro-path"] = table.concat({"./?.fnl", "./?/init-macros.fnl", "./?/init.fnl", getenv("FENNEL_MACRO_PATH")}, ";")}
  end
  utils = require("fennel.utils")
  local parser = require("fennel.parser")
  local compiler = require("fennel.compiler")
  local specials = require("fennel.specials")
  local repl = require("fennel.repl")
  local view = require("fennel.view")
  local function eval_env(env, opts)
    if (env == "_COMPILER") then
      local env0 = specials["make-compiler-env"](nil, compiler.scopes.compiler, {}, opts)
      if (opts.allowedGlobals == nil) then
        opts.allowedGlobals = specials["current-global-names"](env0)
      else
      end
      return specials["wrap-env"](env0)
    else
      return (env and specials["wrap-env"](env))
    end
  end
  local function eval_opts(options, str)
    local opts = utils.copy(options)
    if (opts.allowedGlobals == nil) then
      opts.allowedGlobals = specials["current-global-names"](opts.env)
    else
    end
    if (not opts.filename and not opts.source) then
      opts.source = str
    else
    end
    if (opts.env == "_COMPILER") then
      opts.scope = compiler["make-scope"](compiler.scopes.compiler)
    else
    end
    return opts
  end
  local function eval(str, options, ...)
    local opts = eval_opts(options, str)
    local env = eval_env(opts.env, opts)
    local lua_source = compiler["compile-string"](str, opts)
    local loader
    local function _678_(...)
      if opts.filename then
        return ("@" .. opts.filename)
      else
        return str
      end
    end
    loader = specials["load-code"](lua_source, env, _678_(...))
    opts.filename = nil
    return loader(...)
  end
  local function dofile_2a(filename, options, ...)
    local opts = utils.copy(options)
    local f = assert(io.open(filename, "rb"))
    local source = assert(f:read("*all"), ("Could not read " .. filename))
    f:close()
    opts.filename = filename
    return eval(source, opts, ...)
  end
  local function syntax()
    local body_3f = {"when", "with-open", "collect", "icollect", "lambda", "\206\187", "macro", "match", "accumulate"}
    local binding_3f = {"collect", "icollect", "each", "for", "let", "with-open", "accumulate"}
    local define_3f = {"fn", "lambda", "\206\187", "var", "local", "macro", "macros", "global"}
    local out = {}
    for k, v in pairs(compiler.scopes.global.specials) do
      local metadata = (compiler.metadata[v] or {})
      do end (out)[k] = {["special?"] = true, ["body-form?"] = metadata["fnl/body-form?"], ["binding-form?"] = utils["member?"](k, binding_3f), ["define?"] = utils["member?"](k, define_3f)}
    end
    for k, v in pairs(compiler.scopes.global.macros) do
      out[k] = {["macro?"] = true, ["body-form?"] = utils["member?"](k, body_3f), ["binding-form?"] = utils["member?"](k, binding_3f), ["define?"] = utils["member?"](k, define_3f)}
    end
    for k, v in pairs(_G) do
      local _679_ = type(v)
      if (_679_ == "function") then
        out[k] = {["global?"] = true, ["function?"] = true}
      elseif (_679_ == "table") then
        for k2, v2 in pairs(v) do
          if (("function" == type(v2)) and (k ~= "_G")) then
            out[(k .. "." .. k2)] = {["function?"] = true, ["global?"] = true}
          else
          end
        end
        out[k] = {["global?"] = true}
      else
      end
    end
    return out
  end
  local mod = {list = utils.list, ["list?"] = utils["list?"], sym = utils.sym, ["sym?"] = utils["sym?"], sequence = utils.sequence, ["sequence?"] = utils["sequence?"], comment = utils.comment, ["comment?"] = utils["comment?"], varg = utils.varg, ["varg?"] = utils["varg?"], ["sym-char?"] = parser["sym-char?"], parser = parser.parser, compile = compiler.compile, ["compile-string"] = compiler["compile-string"], ["compile-stream"] = compiler["compile-stream"], eval = eval, repl = repl, view = view, dofile = dofile_2a, ["load-code"] = specials["load-code"], doc = specials.doc, metadata = compiler.metadata, traceback = compiler.traceback, version = utils.version, ["runtime-version"] = utils["runtime-version"], path = utils.path, ["macro-path"] = utils["macro-path"], ["macro-loaded"] = specials["macro-loaded"], ["macro-searchers"] = specials["macro-searchers"], ["search-module"] = specials["search-module"], ["make-searcher"] = specials["make-searcher"], searcher = specials["make-searcher"](), syntax = syntax, gensym = compiler.gensym, scope = compiler["make-scope"], mangle = compiler["global-mangling"], unmangle = compiler["global-unmangling"], compile1 = compiler.compile1, ["string-stream"] = parser["string-stream"], granulate = parser.granulate, loadCode = specials["load-code"], make_searcher = specials["make-searcher"], makeSearcher = specials["make-searcher"], searchModule = specials["search-module"], macroPath = utils["macro-path"], macroSearchers = specials["macro-searchers"], macroLoaded = specials["macro-loaded"], compileStream = compiler["compile-stream"], compileString = compiler["compile-string"], stringStream = parser["string-stream"], runtimeVersion = utils["runtime-version"]}
  utils["fennel-module"] = mod
  do
    local builtin_macros = [===[;; These macros are awkward because their definition cannot rely on the any
    ;; built-in macros, only special forms. (no when, no icollect, etc)
    
    (fn copy [t]
      (let [out []]
        (each [_ v (ipairs t)] (table.insert out v))
        (setmetatable out (getmetatable t))))
    
    (fn ->* [val ...]
      "Thread-first macro.
    Take the first value and splice it into the second form as its first argument.
    The value of the second form is spliced into the first arg of the third, etc."
      (var x val)
      (each [_ e (ipairs [...])]
        (let [elt (copy (if (list? e) e (list e)))]
          (table.insert elt 2 x)
          (set x elt)))
      x)
    
    (fn ->>* [val ...]
      "Thread-last macro.
    Same as ->, except splices the value into the last position of each form
    rather than the first."
      (var x val)
      (each [_ e (ipairs [...])]
        (let [elt (copy (if (list? e) e (list e)))]
          (table.insert elt x)
          (set x elt)))
      x)
    
    (fn -?>* [val ?e ...]
      "Nil-safe thread-first macro.
    Same as -> except will short-circuit with nil when it encounters a nil value."
      (if (= nil ?e)
          val
          (let [e (copy ?e)
                el (if (list? e) e (list e))
                tmp (gensym)]
            (table.insert el 2 tmp)
            `(let [,tmp ,val]
               (if (not= nil ,tmp)
                   (-?> ,el ,...)
                   ,tmp)))))
    
    (fn -?>>* [val ?e ...]
      "Nil-safe thread-last macro.
    Same as ->> except will short-circuit with nil when it encounters a nil value."
      (if (= nil ?e)
          val
          (let [e (copy ?e)
                el (if (list? e) e (list e))
                tmp (gensym)]
            (table.insert el tmp)
            `(let [,tmp ,val]
               (if (not= ,tmp nil)
                   (-?>> ,el ,...)
                   ,tmp)))))
    
    (fn ?dot [tbl ...]
      "Nil-safe table look up.
    Same as . (dot), except will short-circuit with nil when it encounters
    a nil value in any of subsequent keys."
      (let [head (gensym :t)
            lookups `(do (var ,head ,tbl) ,head)]
        (each [_ k (ipairs [...])]
          ;; Kinda gnarly to reassign in place like this, but it emits the best lua.
          ;; With this impl, it emits a flat, concise, and readable set of ifs
          (table.insert lookups (# lookups) `(if (not= nil ,head)
                                               (set ,head (. ,head ,k)))))
        lookups))
    
    (fn doto* [val ...]
      "Evaluate val and splice it into the first argument of subsequent forms."
      (let [name (gensym)
            form `(let [,name ,val])]
        (each [_ elt (ipairs [...])]
          (let [elt (copy (if (list? elt) elt (list elt)))]
            (table.insert elt 2 name)
            (table.insert form elt)))
        (table.insert form name)
        form))
    
    (fn when* [condition body1 ...]
      "Evaluate body for side-effects only when condition is truthy."
      (assert body1 "expected body")
      `(if ,condition
           (do
             ,body1
             ,...)))
    
    (fn with-open* [closable-bindings ...]
      "Like `let`, but invokes (v:close) on each binding after evaluating the body.
    The body is evaluated inside `xpcall` so that bound values will be closed upon
    encountering an error before propagating it."
      (let [bodyfn `(fn []
                      ,...)
            closer `(fn close-handlers# [ok# ...]
                      (if ok# ... (error ... 0)))
            traceback `(. (or package.loaded.fennel debug) :traceback)]
        (for [i 1 (length closable-bindings) 2]
          (assert (sym? (. closable-bindings i))
                  "with-open only allows symbols in bindings")
          (table.insert closer 4 `(: ,(. closable-bindings i) :close)))
        `(let ,closable-bindings
           ,closer
           (close-handlers# (_G.xpcall ,bodyfn ,traceback)))))
    
    (fn extract-into [iter-tbl]
      (var (into iter-out found?) (values [] (copy iter-tbl)))
      (for [i (length iter-tbl) 2 -1]
        (if (= :into (. iter-tbl i))
            (do (assert (not found?) "expected only one :into clause")
                (set found? true)
                (set into (. iter-tbl (+ i 1)))
                (table.remove iter-out i)
                (table.remove iter-out i))))
      (assert (or (not found?) (sym? into) (table? into) (list? into))
              "expected table, function call, or symbol in :into clause")
      (values into iter-out))
    
    (fn collect* [iter-tbl key-expr value-expr ...]
      "Return a table made by running an iterator and evaluating an expression that
    returns key-value pairs to be inserted sequentially into the table.  This can
    be thought of as a table comprehension. The body should provide two expressions
    (used as key and value) or nil, which causes it to be omitted.
    
    For example,
      (collect [k v (pairs {:apple \"red\" :orange \"orange\"})]
        (values v k))
    returns
      {:red \"apple\" :orange \"orange\"}
    
    Supports an :into clause after the iterator to put results in an existing table.
    Supports early termination with an :until clause."
      (assert (and (sequence? iter-tbl) (>= (length iter-tbl) 2))
              "expected iterator binding table")
      (assert (not= nil key-expr) "expected key and value expression")
      (assert (= nil ...)
              "expected 1 or 2 body expressions; wrap multiple expressions with do")
      (let [kv-expr (if (= nil value-expr) key-expr `(values ,key-expr ,value-expr))
            (into iter) (extract-into iter-tbl)]
        `(let [tbl# ,into]
           (each ,iter
             (match ,kv-expr
               (k# v#) (tset tbl# k# v#)))
           tbl#)))
    
    (fn icollect* [iter-tbl value-expr ...]
      "Return a sequential table made by running an iterator and evaluating an
    expression that returns values to be inserted sequentially into the table.
    This can be thought of as a table comprehension. If the body evaluates to nil
    that element is omitted.
    
    For example,
      (icollect [_ v (ipairs [1 2 3 4 5])]
        (when (not= v 3)
          (* v v)))
    returns
      [1 4 16 25]
    
    Supports an :into clause after the iterator to put results in an existing table.
    Supports early termination with an :until clause."
      (assert (and (sequence? iter-tbl) (>= (length iter-tbl) 2))
              "expected iterator binding table")
      (assert (not= nil value-expr) "expected table value expression")
      (assert (= nil ...)
              "expected exactly one body expression. Wrap multiple expressions in do")
      (let [(into iter) (extract-into iter-tbl)]
        `(let [tbl# ,into]
           ;; believe it or not, using a var here has a pretty good performance
           ;; boost: https://p.hagelb.org/icollect-performance.html
           (var i# (length tbl#))
           (each ,iter
             (let [val# ,value-expr]
               (when (not= nil val#)
                 (set i# (+ i# 1))
                 (tset tbl# i# val#))))
           tbl#)))
    
    (fn accumulate* [iter-tbl body ...]
      "Accumulation macro.
    
    It takes a binding table and an expression as its arguments.  In the binding
    table, the first form starts out bound to the second value, which is an initial
    accumulator. The rest are an iterator binding table in the format `each` takes.
    
    It runs through the iterator in each step of which the given expression is
    evaluated, and the accumulator is set to the value of the expression. It
    eventually returns the final value of the accumulator.
    
    For example,
      (accumulate [total 0
                   _ n (pairs {:apple 2 :orange 3})]
        (+ total n))
    returns 5"
      (assert (and (sequence? iter-tbl) (>= (length iter-tbl) 4))
              "expected initial value and iterator binding table")
      (assert (not= nil body) "expected body expression")
      (assert (= nil ...)
              "expected exactly one body expression. Wrap multiple expressions with do")
      (let [accum-var (. iter-tbl 1)
            accum-init (. iter-tbl 2)]
        `(do (var ,accum-var ,accum-init)
             (each ,[(unpack iter-tbl 3)]
               (set ,accum-var ,body))
             ,(if (list? accum-var)
                  (list (sym :values) (unpack accum-var))
                  accum-var))))
    
    (fn double-eval-safe? [x type]
      (or (= :number type) (= :string type) (= :boolean type)
          (and (sym? x) (not (multi-sym? x)))))
    
    (fn partial* [f ...]
      "Return a function with all arguments partially applied to f."
      (assert f "expected a function to partially apply")
      (let [bindings []
            args []]
        (each [_ arg (ipairs [...])]
          (if (double-eval-safe? arg (type arg))
            (table.insert args arg)
            (let [name (gensym)]
              (table.insert bindings name)
              (table.insert bindings arg)
              (table.insert args name))))
        (let [body (list f (unpack args))]
          (table.insert body _VARARG)
          ;; only use the extra let if we need double-eval protection
          (if (= 0 (length bindings))
              `(fn [,_VARARG] ,body)
              `(let ,bindings
                 (fn [,_VARARG] ,body))))))
    
    (fn pick-args* [n f]
      "Create a function of arity n that applies its arguments to f.
    
    For example,
      (pick-args 2 func)
    expands to
      (fn [_0_ _1_] (func _0_ _1_))"
      (if (and _G.io _G.io.stderr)
          (_G.io.stderr:write
           "-- WARNING: pick-args is deprecated and will be removed in the future.\n"))
      (assert (and (= (type n) :number) (= n (math.floor n)) (>= n 0))
              (.. "Expected n to be an integer literal >= 0, got " (tostring n)))
      (let [bindings []]
        (for [i 1 n]
          (tset bindings i (gensym)))
        `(fn ,bindings
           (,f ,(unpack bindings)))))
    
    (fn pick-values* [n ...]
      "Evaluate to exactly n values.
    
    For example,
      (pick-values 2 ...)
    expands to
      (let [(_0_ _1_) ...]
        (values _0_ _1_))"
      (assert (and (= :number (type n)) (>= n 0) (= n (math.floor n)))
              (.. "Expected n to be an integer >= 0, got " (tostring n)))
      (let [let-syms (list)
            let-values (if (= 1 (select "#" ...)) ... `(values ,...))]
        (for [i 1 n]
          (table.insert let-syms (gensym)))
        (if (= n 0) `(values)
            `(let [,let-syms ,let-values]
               (values ,(unpack let-syms))))))
    
    (fn lambda* [...]
      "Function literal with nil-checked arguments.
    Like `fn`, but will throw an exception if a declared argument is passed in as
    nil, unless that argument's name begins with a question mark."
      (let [args [...]
            has-internal-name? (sym? (. args 1))
            arglist (if has-internal-name? (. args 2) (. args 1))
            docstring-position (if has-internal-name? 3 2)
            has-docstring? (and (> (length args) docstring-position)
                                (= :string (type (. args docstring-position))))
            arity-check-position (- 4 (if has-internal-name? 0 1)
                                    (if has-docstring? 0 1))
            empty-body? (< (length args) arity-check-position)]
        (fn check! [a]
          (if (table? a)
              (each [_ a (pairs a)]
                (check! a))
              (let [as (tostring a)]
                (and (not (as:match "^?")) (not= as "&") (not= as "_")
                     (not= as "...") (not= as "&as")))
              (table.insert args arity-check-position
                            `(_G.assert (not= nil ,a)
                                        ,(: "Missing argument %s on %s:%s" :format
                                            (tostring a)
                                            (or a.filename :unknown)
                                            (or a.line "?"))))))
    
        (assert (= :table (type arglist)) "expected arg list")
        (each [_ a (ipairs arglist)]
          (check! a))
        (if empty-body?
            (table.insert args (sym :nil)))
        `(fn ,(unpack args))))
    
    (fn macro* [name ...]
      "Define a single macro."
      (assert (sym? name) "expected symbol for macro name")
      (local args [...])
      `(macros {,(tostring name) (fn ,(unpack args))}))
    
    (fn macrodebug* [form return?]
      "Print the resulting form after performing macroexpansion.
    With a second argument, returns expanded form as a string instead of printing."
      (let [handle (if return? `do `print)]
        `(,handle ,(view (macroexpand form _SCOPE)))))
    
    (fn import-macros* [binding1 module-name1 ...]
      "Bind a table of macros from each macro module according to a binding form.
    Each binding form can be either a symbol or a k/v destructuring table.
    Example:
      (import-macros mymacros                 :my-macros    ; bind to symbol
                     {:macro1 alias : macro2} :proj.macros) ; import by name"
      (assert (and binding1 module-name1 (= 0 (% (select "#" ...) 2)))
              "expected even number of binding/modulename pairs")
      (for [i 1 (select "#" binding1 module-name1 ...) 2]
        ;; delegate the actual loading of the macros to the require-macros
        ;; special which already knows how to set up the compiler env and stuff.
        ;; this is weird because require-macros is deprecated but it works.
        (let [(binding modname) (select i binding1 module-name1 ...)
              scope (get-scope)
              macros* (_SPECIALS.require-macros `(import-macros ,modname)
                                                scope {} binding1)]
          (if (sym? binding)
              ;; bind whole table of macros to table bound to symbol
              (tset scope.macros (. binding 1) macros*)
              ;; 1-level table destructuring for importing individual macros
              (table? binding)
              (each [macro-name [import-key] (pairs binding)]
                (assert (= :function (type (. macros* macro-name)))
                        (.. "macro " macro-name " not found in module "
                            (tostring modname)))
                (tset scope.macros import-key (. macros* macro-name))))))
      nil)
    
    ;;; Pattern matching
    
    (fn match-values [vals pattern unifications match-pattern]
      (let [condition `(and)
            bindings []]
        (each [i pat (ipairs pattern)]
          (let [(subcondition subbindings) (match-pattern [(. vals i)] pat
                                                          unifications)]
            (table.insert condition subcondition)
            (each [_ b (ipairs subbindings)]
              (table.insert bindings b))))
        (values condition bindings)))
    
    (fn match-table [val pattern unifications match-pattern]
      (let [condition `(and (= (_G.type ,val) :table))
            bindings []]
        (each [k pat (pairs pattern)]
          (if (= pat `&)
              (let [rest-pat (. pattern (+ k 1))
                    rest-val `(select ,k ((or table.unpack _G.unpack) ,val))
                    subcondition (match-table `(pick-values 1 ,rest-val)
                                              rest-pat unifications match-pattern)]
                (if (not (sym? rest-pat))
                    (table.insert condition subcondition))
                (assert (= nil (. pattern (+ k 2)))
                        "expected & rest argument before last parameter")
                (table.insert bindings rest-pat)
                (table.insert bindings [rest-val]))
              (= k `&as)
              (do
                (table.insert bindings pat)
                (table.insert bindings val))
              (and (= :number (type k)) (= `&as pat))
              (do
                (assert (= nil (. pattern (+ k 2)))
                        "expected &as argument before last parameter")
                (table.insert bindings (. pattern (+ k 1)))
                (table.insert bindings val))
              ;; don't process the pattern right after &/&as; already got it
              (or (not= :number (type k)) (and (not= `&as (. pattern (- k 1)))
                                               (not= `& (. pattern (- k 1)))))
              (let [subval `(. ,val ,k)
                    (subcondition subbindings) (match-pattern [subval] pat
                                                              unifications)]
                (table.insert condition subcondition)
                (each [_ b (ipairs subbindings)]
                  (table.insert bindings b)))))
        (values condition bindings)))
    
    (fn match-pattern [vals pattern unifications]
      "Take the AST of values and a single pattern and returns a condition
    to determine if it matches as well as a list of bindings to
    introduce for the duration of the body if it does match."
      ;; we have to assume we're matching against multiple values here until we
      ;; know we're either in a multi-valued clause (in which case we know the #
      ;; of vals) or we're not, in which case we only care about the first one.
      (let [[val] vals]
        (if (or (and (sym? pattern) ; unification with outer locals (or nil)
                     (not= "_" (tostring pattern)) ; never unify _
                     (or (in-scope? pattern) (= :nil (tostring pattern))))
                (and (multi-sym? pattern) (in-scope? (. (multi-sym? pattern) 1))))
            (values `(= ,val ,pattern) [])
            ;; unify a local we've seen already
            (and (sym? pattern) (. unifications (tostring pattern)))
            (values `(= ,(. unifications (tostring pattern)) ,val) [])
            ;; bind a fresh local
            (sym? pattern)
            (let [wildcard? (: (tostring pattern) :find "^_")]
              (if (not wildcard?) (tset unifications (tostring pattern) val))
              (values (if (or wildcard? (string.find (tostring pattern) "^?")) true
                          `(not= ,(sym :nil) ,val)) [pattern val]))
            ;; guard clause
            (and (list? pattern) (= (. pattern 2) `?))
            (let [(pcondition bindings) (match-pattern vals (. pattern 1)
                                                       unifications)
                  condition `(and ,(unpack pattern 3))]
              (values `(and ,pcondition
                            (let ,bindings
                              ,condition)) bindings))
            ;; multi-valued patterns (represented as lists)
            (list? pattern)
            (match-values vals pattern unifications match-pattern)
            ;; table patterns
            (= (type pattern) :table)
            (match-table val pattern unifications match-pattern)
            ;; literal value
            (values `(= ,val ,pattern) []))))
    
    (fn match-condition [vals clauses]
      "Construct the actual `if` AST for the given match values and clauses."
      (if (not= 0 (% (length clauses) 2)) ; treat odd final clause as default
          (table.insert clauses (length clauses) (sym "_")))
      (let [out `(if)]
        (for [i 1 (length clauses) 2]
          (let [pattern (. clauses i)
                body (. clauses (+ i 1))
                (condition bindings) (match-pattern vals pattern {})]
            (table.insert out condition)
            (table.insert out `(let ,bindings
                                 ,body))))
        out))
    
    (fn match-val-syms [clauses]
      "How many multi-valued clauses are there? return a list of that many gensyms."
      (let [syms (list (gensym))]
        (for [i 1 (length clauses) 2]
          (let [clause (if (and (list? (. clauses i)) (= `? (. clauses i 2)))
                           (. clauses i 1)
                           (. clauses i))]
            (if (list? clause)
                (each [valnum (ipairs clause)]
                  (if (not (. syms valnum))
                      (tset syms valnum (gensym)))))))
        syms))
    
    (fn match* [val ...]
      ;; Old implementation of match macro, which doesn't directly support
      ;; `where' and `or'. New syntax is implemented in `match-where',
      ;; which simply generates old syntax and feeds it to `match*'.
      (let [clauses [...]
            vals (match-val-syms clauses)]
        ;; protect against multiple evaluation of the value, bind against as
        ;; many values as we ever match against in the clauses.
        (list `let [vals val] (match-condition vals clauses))))
    
    ;; Construction of old match syntax from new syntax
    
    (fn partition-2 [seq]
      ;; Partition `seq` by 2.
      ;; If `seq` has odd amount of elements, the last one is dropped.
      ;;
      ;; Input: [1 2 3 4 5]
      ;; Output: [[1 2] [3 4]]
      (let [firsts []
            seconds []
            res []]
        (for [i 1 (length seq) 2]
          (let [first (. seq i)
                second (. seq (+ i 1))]
            (table.insert firsts (if (not= nil first) first `nil))
            (table.insert seconds (if (not= nil second) second `nil))))
        (each [i v1 (ipairs firsts)]
          (let [v2 (. seconds i)]
            (if (not= nil v2)
                (table.insert res [v1 v2]))))
        res))
    
    (fn transform-or [[_ & pats] guards]
      ;; Transforms `(or pat pats*)` lists into match `guard` patterns.
      ;;
      ;; (or pat1 pat2), guard => [(pat1 ? guard) (pat2 ? guard)]
      (let [res []]
        (each [_ pat (ipairs pats)]
          (table.insert res (list pat `? (unpack guards))))
        res))
    
    (fn transform-cond [cond]
      ;; Transforms `where` cond into sequence of `match` guards.
      ;;
      ;; pat => [pat]
      ;; (where pat guard) => [(pat ? guard)]
      ;; (where (or pat1 pat2) guard) => [(pat1 ? guard) (pat2 ? guard)]
      (if (and (list? cond) (= (. cond 1) `where))
          (let [second (. cond 2)]
            (if (and (list? second) (= (. second 1) `or))
                (transform-or second [(unpack cond 3)])
                :else
                [(list second `? (unpack cond 3))]))
          :else
          [cond]))
    
    (fn match-where [val ...]
      "Perform pattern matching on val. See reference for details.
    
    Syntax:
    
    (match data-expression
      pattern body
      (where pattern guard guards*) body
      (where (or pattern patterns*) guard guards*) body)"
      (assert (= 0 (math.fmod (select :# ...) 2))
              "expected even number of pattern/body pairs")
      (let [conds-bodies (partition-2 [...])
            match-body []]
        (each [_ [cond body] (ipairs conds-bodies)]
          (each [_ cond (ipairs (transform-cond cond))]
            (table.insert match-body cond)
            (table.insert match-body body)))
        (match* val (unpack match-body))))
    
    (fn match-try-step [expr else pattern body ...]
      (if (= nil pattern body)
          expr
          ;; unlike regular match, we can't know how many values the value
          ;; might evaluate to, so we have to capture them all in ... via IIFE
          ;; to avoid double-evaluation.
          `((fn [...]
              (match ...
                ,pattern ,(match-try-step body else ...)
                ,(unpack else)))
            ,expr)))
    
    (fn match-try* [expr pattern body ...]
      "Perform chained pattern matching for a sequence of steps which might fail.
    
    The values from the initial expression are matched against the first pattern.
    If they match, the first body is evaluated and its values are matched against
    the second pattern, etc.
    
    If there is a (catch pat1 body1 pat2 body2 ...) form at the end, any mismatch
    from the steps will be tried against these patterns in sequence as a fallback
    just like a normal match. If there is no catch, the mismatched values will be
    returned as the value of the entire expression."
      (let [clauses [pattern body ...]
            last (. clauses (length clauses))
            catch (if (= `catch (and (= :table (type last)) (. last 1)))
                     (let [[_ & e] (table.remove clauses)] e) ; remove `catch sym
                     [`_# `...])]
        (assert (= 0 (math.fmod (length clauses) 2))
                "expected every pattern to have a body")
        (assert (= 0 (math.fmod (length catch) 2))
                "expected every catch pattern to have a body")
        (match-try-step expr catch (unpack clauses))))
    
    {:-> ->*
     :->> ->>*
     :-?> -?>*
     :-?>> -?>>*
     :?. ?dot
     :doto doto*
     :when when*
     :with-open with-open*
     :collect collect*
     :icollect icollect*
     :accumulate accumulate*
     :partial partial*
     :lambda lambda*
     :pick-args pick-args*
     :pick-values pick-values*
     :macro macro*
     :macrodebug macrodebug*
     :import-macros import-macros*
     :match match-where
     :match-try match-try*}
    ]===]
    local module_name = "fennel.macros"
    local _
    local function _682_()
      return mod
    end
    package.preload[module_name] = _682_
    _ = nil
    local env
    do
      local _683_ = specials["make-compiler-env"](nil, compiler.scopes.compiler, {})
      do end (_683_)["utils"] = utils
      _683_["fennel"] = mod
      env = _683_
    end
    local built_ins = eval(builtin_macros, {env = env, scope = compiler.scopes.compiler, allowedGlobals = false, useMetadata = true, filename = "src/fennel/macros.fnl", moduleName = module_name})
    for k, v in pairs(built_ins) do
      compiler.scopes.global.macros[k] = v
    end
    compiler.scopes.global.macros["\206\187"] = compiler.scopes.global.macros.lambda
    package.preload[module_name] = nil
  end
  return mod
end
fennel = require("fennel")
debug.traceback = fennel.traceback
local _local_1_ = require("fnlfmt")
local format_file = _local_1_["format-file"]
local version = _local_1_["version"]
local function help()
  print("Usage: fnlfmt [--no-comments] [--fix] FILENAME")
  print("With the --fix argument, updates the file in-place; otherwise")
  return print("prints the formatted file to stdout.")
end
local options = {}
for i = #arg, 1, -1 do
  if ("--no-comments" == arg[i]) then
    options["no-comments"] = true
    table.remove(arg, i)
  else
  end
end
local _95_ = arg
if ((_G.type(_95_) == "table") and ((_95_)[1] == "--version")) then
  return print(("fnlfmt version " .. version))
elseif ((_G.type(_95_) == "table") and ((_95_)[1] == "--fix") and (nil ~= (_95_)[2]) and ((_95_)[3] == nil)) then
  local filename = (_95_)[2]
  local new = format_file(filename, options)
  local f = assert(io.open(filename, "w"))
  f:write(new)
  return f:close()
elseif ((_G.type(_95_) == "table") and (nil ~= (_95_)[1]) and ((_95_)[2] == nil)) then
  local filename = (_95_)[1]
  return print(format_file(filename, options))
elseif true then
  local _ = _95_
  return help()
else
  return nil
end
