#!/usr/bin/env lua
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 _631_()
        if (0 < parser_state["stack-size"]) then
          return ".."
        else
          return ">> "
        end
      end
      io.write(_631_())
      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 _633_()
        local _632_ = errtype
        if (_632_ == "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 (_632_ == "Runtime") then
          return (compiler.traceback(tostring(err), 4) .. "\n")
        elseif true then
          local _ = _632_
          return ("%s error: %s\n"):format(errtype, tostring(err))
        else
          return nil
        end
      end
      return io.write(_633_())
    end
    local function splice_save_locals(env, lua_source, scope)
      local saves
      do
        local tbl_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for name in pairs(env.___replLocals___) do
          local val_18_auto = ("local %s = ___replLocals___['%s']"):format(name, name)
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        saves = tbl_16_auto
      end
      local binds
      do
        local tbl_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for _, name in pairs(scope.manglings) do
          local val_18_auto
          if not scope.gensyms[name] then
            val_18_auto = ("___replLocals___['%s'] = %s"):format(name, name)
          else
            val_18_auto = nil
          end
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        binds = tbl_16_auto
      end
      local gap
      if lua_source:find("\n") then
        gap = "\n"
      else
        gap = " "
      end
      local function _639_()
        if next(saves) then
          return (table.concat(saves, " ") .. gap)
        else
          return ""
        end
      end
      local function _642_()
        local _640_, _641_ = lua_source:match("^(.*)[\n ](return .*)$")
        if ((nil ~= _640_) and (nil ~= _641_)) then
          local body = _640_
          local _return = _641_
          return (body .. gap .. table.concat(binds, " ") .. gap .. _return)
        elseif true then
          local _ = _640_
          return lua_source
        else
          return nil
        end
      end
      return (_639_() .. _642_())
    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_16_auto = matches
        local i_17_auto = #tbl_16_auto
        local function _644_()
          if scope_first_3f then
            return scope.manglings
          else
            return tbl
          end
        end
        for k, is_mangled in utils.allpairs(_644_()) do
          if (max_items <= #matches) then break end
          local val_18_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_18_auto = (prefix .. k)
            else
              val_18_auto = nil
            end
          end
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        return tbl_16_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 _653_
      do
        local tbl_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for name, f in pairs(commands) do
          local val_18_auto = ("  ,%s - %s"):format(name, ((compiler.metadata):get(f, "fnl/docstring") or "undocumented"))
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        _653_ = tbl_16_auto
      end
      return table.concat(_653_, "\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 _655_, _656_ = pcall(specials["load-code"]("return require(...)", env), module_name)
      if ((_655_ == true) and (nil ~= _656_)) then
        local old = _656_
        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 ((_655_ == false) and (nil ~= _656_)) then
        local msg = _656_
        if msg:match("loop or previous error loading module") then
          package.loaded[module_name] = nil
          return reload(module_name, env, on_values, on_error)
        elseif (specials["macro-loaded"])[module_name] then
          specials["macro-loaded"][module_name] = nil
          return nil
        else
          local function _661_()
            local _660_ = msg:gsub("\n.*", "")
            return _660_
          end
          return on_error("Runtime", _661_())
        end
      else
        return nil
      end
    end
    local function run_command(read, on_error, f)
      local _664_, _665_, _666_ = pcall(read)
      if ((_664_ == true) and (_665_ == true) and (nil ~= _666_)) then
        local val = _666_
        return f(val)
      elseif (_664_ == 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 _668_(_241)
        return reload(tostring(_241), env, on_values, on_error)
      end
      return run_command(read, on_error, _668_)
    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 _669_()
        return on_values(completer(env, scope, string.char(unpack(chars)):gsub(",complete +", ""):sub(1, -2)))
      end
      return run_command(read, on_error, _669_)
    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 _670_ = type(subtbl)
          if (_670_ == "function") then
            if ((prefix .. name)):match(pattern) then
              table.insert(names, (prefix .. name))
            else
            end
          elseif (_670_ == "table") then
            if not seen[subtbl] then
              local _673_
              do
                local _672_ = seen
                _672_[subtbl] = true
                _673_ = _672_
              end
              apropos_2a(pattern, subtbl, (prefix .. name:gsub("%.", "/") .. "."), _673_, names)
            else
            end
          else
          end
        else
        end
      end
      return names
    end
    local function apropos(pattern)
      local names = apropos_2a(pattern, package.loaded, "", {}, {})
      local tbl_16_auto = {}
      local i_17_auto = #tbl_16_auto
      for _, name in ipairs(names) do
        local val_18_auto = name:gsub("^_G%.", "")
        if (nil ~= val_18_auto) then
          i_17_auto = (i_17_auto + 1)
          do end (tbl_16_auto)[i_17_auto] = val_18_auto
        else
        end
      end
      return tbl_16_auto
    end
    commands.apropos = function(_env, read, on_values, on_error, _scope)
      local function _678_(_241)
        return on_values(apropos(tostring(_241)))
      end
      return run_command(read, on_error, _678_)
    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_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for p in path:gmatch("[^%.]+") do
          local val_18_auto = p
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        paths = tbl_16_auto
      end
      local tgt = package.loaded
      for _, path0 in ipairs(paths) do
        if (nil == tgt) then break end
        local _681_
        do
          local _680_ = path0:gsub("%/", ".")
          _681_ = _680_
        end
        tgt = tgt[_681_]
      end
      return tgt
    end
    local function apropos_doc(pattern)
      local tbl_16_auto = {}
      local i_17_auto = #tbl_16_auto
      for _, path in ipairs(apropos(".*")) do
        local val_18_auto
        do
          local tgt = apropos_follow_path(path)
          if ("function" == type(tgt)) then
            local _682_ = (compiler.metadata):get(tgt, "fnl/docstring")
            if (nil ~= _682_) then
              local docstr = _682_
              val_18_auto = (docstr:match(pattern) and path)
            else
              val_18_auto = nil
            end
          else
            val_18_auto = nil
          end
        end
        if (nil ~= val_18_auto) then
          i_17_auto = (i_17_auto + 1)
          do end (tbl_16_auto)[i_17_auto] = val_18_auto
        else
        end
      end
      return tbl_16_auto
    end
    commands["apropos-doc"] = function(_env, read, on_values, on_error, _scope)
      local function _686_(_241)
        return on_values(apropos_doc(tostring(_241)))
      end
      return run_command(read, on_error, _686_)
    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 _688_(_241)
        return apropos_show_docs(on_values, tostring(_241))
      end
      return run_command(read, on_error, _688_)
    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, _689_, scope)
      local _arg_690_ = _689_
      local ___replLocals___ = _arg_690_["___replLocals___"]
      local env = _arg_690_
      local e
      local function _691_(_241, _242)
        return (___replLocals___[_242] or env[_242])
      end
      e = setmetatable({}, {__index = _691_})
      local _692_, _693_ = pcall(compiler["compile-string"], tostring(identifier), {scope = scope})
      if ((_692_ == true) and (nil ~= _693_)) then
        local code = _693_
        return specials["load-code"](code, e)()
      else
        return nil
      end
    end
    commands.find = function(env, read, on_values, on_error, scope)
      local function _695_(_241)
        local _696_
        do
          local _697_ = utils["sym?"](_241)
          if (nil ~= _697_) then
            local _698_ = resolve(_697_, env, scope)
            if (nil ~= _698_) then
              _696_ = debug.getinfo(_698_)
            else
              _696_ = _698_
            end
          else
            _696_ = _697_
          end
        end
        if ((_G.type(_696_) == "table") and ((_696_).what == "Lua") and (nil ~= (_696_).source) and (nil ~= (_696_).linedefined) and (nil ~= (_696_).short_src)) then
          local source = (_696_).source
          local line = (_696_).linedefined
          local src = (_696_).short_src
          local fnlsrc
          do
            local t_701_ = compiler.sourcemap
            if (nil ~= t_701_) then
              t_701_ = (t_701_)[source]
            else
            end
            if (nil ~= t_701_) then
              t_701_ = (t_701_)[line]
            else
            end
            if (nil ~= t_701_) then
              t_701_ = (t_701_)[2]
            else
            end
            fnlsrc = t_701_
          end
          return on_values({string.format("%s:%s", src, (fnlsrc or line))})
        elseif (_696_ == nil) then
          return on_error("Repl", "Unknown value")
        elseif true then
          local _ = _696_
          return on_error("Repl", "No source info")
        else
          return nil
        end
      end
      return run_command(read, on_error, _695_)
    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 _706_(_241)
        local name = tostring(_241)
        local path = (utils["multi-sym?"](name) or {name})
        local ok_3f, target = nil, nil
        local function _707_()
          return (utils["get-in"](scope.specials, path) or utils["get-in"](scope.macros, path) or resolve(name, env, scope))
        end
        ok_3f, target = pcall(_707_)
        if ok_3f 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, _706_)
    end
    do end (compiler.metadata):set(commands.doc, "fnl/docstring", "Print the docstring and arglist for a function, macro, or special form.")
    commands.compile = function(env, read, on_values, on_error, scope)
      local function _709_(_241)
        local allowedGlobals = specials["current-global-names"](env)
        local ok_3f, result = pcall(compiler.compile, _241, {env = env, scope = scope, allowedGlobals = allowedGlobals})
        if ok_3f then
          return on_values({result})
        else
          return on_error("Repl", ("Error compiling expression: " .. result))
        end
      end
      return run_command(read, on_error, _709_)
    end
    do end (compiler.metadata):set(commands.compile, "fnl/docstring", "compiles the expression into lua and prints the result.")
    local function load_plugin_commands(plugins)
      for _, plugin in ipairs((plugins or {})) do
        for name, f in pairs(plugin) do
          local _711_ = name:match("^repl%-command%-(.*)")
          if (nil ~= _711_) then
            local cmd_name = _711_
            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 _713_ = commands[command_name]
        if (nil ~= _713_) then
          local command = _713_
          command(env, read, on_values, on_error, scope, chars)
        elseif true then
          local _ = _713_
          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 _let_722_ = utils.copy(_3foptions)
      local _3ffennelrc = _let_722_["fennelrc"]
      local opts = _let_722_
      local _
      opts.fennelrc = nil
      _ = nil
      local readline = (should_use_readline_3f(opts) and try_readline_21(opts, pcall(require, "readline")))
      local _0
      if _3ffennelrc then
        _0 = _3ffennelrc()
      else
        _0 = nil
      end
      local env = specials["wrap-env"]((opts.env or rawget(_G, "_ENV") or _G))
      local save_locals_3f = (opts.saveLocals ~= false)
      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 _724_(parser_state)
        local c = byte_stream(parser_state)
        table.insert(chars, c)
        return c
      end
      read, reset = parser.parser(_724_)
      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 _728_()
          local _726_ = env
          local _727_ = opts.scope
          local function _729_(...)
            return completer(_726_, _727_, ...)
          end
          return _729_
        end
        opts.registerCompleter(_728_())
      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, parser_not_eof_3f, x = pcall(read)
        local src_string = string.char(unpack(chars))
        local readline_not_eof_3f = (not readline or (src_string ~= "(null)"))
        local not_eof_3f = (readline_not_eof_3f and parser_not_eof_3f)
        if not ok then
          on_error("Parse", not_eof_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 _733_, _734_ = nil, nil
              local function _736_()
                local _735_ = opts
                _735_["source"] = src_string
                return _735_
              end
              _733_, _734_ = pcall(compiler.compile, x, _736_())
              if ((_733_ == false) and (nil ~= _734_)) then
                local msg = _734_
                clear_stream()
                on_error("Compile", msg)
              elseif ((_733_ == true) and (nil ~= _734_)) then
                local src = _734_
                local src0
                if save_locals_3f then
                  src0 = splice_save_locals(env, src, opts.scope)
                else
                  src0 = src
                end
                local _738_, _739_ = pcall(specials["load-code"], src0, env)
                if ((_738_ == false) and (nil ~= _739_)) then
                  local msg = _739_
                  clear_stream()
                  on_error("Lua Compile", msg, src0)
                elseif (true and (nil ~= _739_)) then
                  local _1 = _738_
                  local chunk = _739_
                  local function _740_()
                    return print_values(chunk())
                  end
                  local function _741_()
                    local function _742_(...)
                      return on_error("Runtime", ...)
                    end
                    return _742_
                  end
                  xpcall(_740_, _741_())
                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 _424_(_, key)
        if utils["string?"](key) then
          return env[compiler["global-unmangling"](key)]
        else
          return env[key]
        end
      end
      local function _426_(_, 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 _428_()
        local function putenv(k, v)
          local _429_
          if utils["string?"](k) then
            _429_ = compiler["global-unmangling"](k)
          else
            _429_ = k
          end
          return _429_, v
        end
        return next, utils.kvmap(env, putenv), nil
      end
      return setmetatable({}, {__index = _424_, __newindex = _426_, __pairs = _428_})
    end
    local function current_global_names(_3fenv)
      local mt
      do
        local _431_ = getmetatable(_3fenv)
        if ((_G.type(_431_) == "table") and (nil ~= (_431_).__pairs)) then
          local mtpairs = (_431_).__pairs
          local tbl_13_auto = {}
          for k, v in mtpairs(_3fenv) do
            local k_14_auto, v_15_auto = k, v
            if ((k_14_auto ~= nil) and (v_15_auto ~= nil)) then
              tbl_13_auto[k_14_auto] = v_15_auto
            else
            end
          end
          mt = tbl_13_auto
        elseif (_431_ == 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)
      local _434_, _435_ = rawget(_G, "setfenv"), rawget(_G, "loadstring")
      if ((nil ~= _434_) and (nil ~= _435_)) then
        local setfenv = _434_
        local loadstring = _435_
        local f = assert(loadstring(code, _3ffilename))
        local _436_ = f
        setfenv(_436_, env)
        return _436_
      elseif true then
        local _ = _434_
        return assert(load(code, _3ffilename, "t", env))
      else
        return nil
      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 _438_
          if (0 < #arglist) then
            _438_ = " "
          else
            _438_ = ""
          end
          return string.format("(%s%s%s)\n  %s", name, _438_, 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 __3estack(stack, tbl)
      for k, v in pairs(tbl) do
        local _447_ = stack
        table.insert(_447_, k)
        table.insert(_447_, v)
      end
      return stack
    end
    local function literal_3f(val)
      local res = true
      if utils["list?"](val) then
        res = false
      elseif utils["table?"](val) then
        local stack = __3estack({}, val)
        for _, elt in ipairs(stack) do
          if not res then break end
          if utils["list?"](elt) then
            res = false
          elseif utils["table?"](elt) then
            __3estack(stack, elt)
          else
          end
        end
      else
      end
      return res
    end
    local function compile_value(v)
      local opts = {nval = 1, tail = false}
      local scope = compiler["make-scope"]()
      local chunk = {}
      local _let_450_ = compiler.compile1(v, scope, chunk, opts)
      local _let_451_ = _let_450_[1]
      local v0 = _let_451_[1]
      return v0
    end
    local function insert_meta(meta, k, v)
      local view_opts = {["escape-newlines?"] = true, ["line-length"] = math.huge, ["one-line?"] = true}
      compiler.assert((type(k) == "string"), ("expected string keys in metadata table, got: %s"):format(view(k, view_opts)))
      compiler.assert(literal_3f(v), ("expected literal value in metadata table, got: %s %s"):format(view(k, view_opts), view(v, view_opts)))
      local _452_ = meta
      table.insert(_452_, view(k))
      local function _453_()
        if ("string" == type(v)) then
          return view(v, view_opts)
        else
          return compile_value(v)
        end
      end
      table.insert(_452_, _453_())
      return _452_
    end
    local function insert_arglist(meta, arg_list)
      local view_opts = {["one-line?"] = true, ["escape-newlines?"] = true, ["line-length"] = math.huge}
      local _454_ = meta
      table.insert(_454_, "\"fnl/arglist\"")
      local function _455_(_241)
        return view(view(_241, view_opts))
      end
      table.insert(_454_, ("{" .. table.concat(utils.map(arg_list, _455_), ", ") .. "}"))
      return _454_
    end
    local function set_fn_metadata(f_metadata, parent, fn_name)
      if utils.root.options.useMetadata then
        local meta_fields = {}
        for k, v in utils.stablepairs(f_metadata) do
          if (k == "fnl/arglist") then
            insert_arglist(meta_fields, v)
          else
            insert_meta(meta_fields, k, v)
          end
        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 _458_
        if not multi then
          _458_ = compiler["declare-local"](fn_name, {}, scope, ast)
        else
          _458_ = (compiler["symbol-to-expression"](fn_name, scope))[1]
        end
        return _458_, 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 _461_
      if local_3f then
        _461_ = "local function %s(%s)"
      else
        _461_ = "%s = function(%s)"
      end
      compiler.emit(parent, string.format(_461_, fn_name, table.concat(arg_name_list, ", ")), ast)
      compiler.emit(parent, f_chunk, ast)
      compiler.emit(parent, "end", ast)
      set_fn_metadata(f_metadata, 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 assoc_table_3f(t)
      local len = #t
      local nxt, t0, k = pairs(t)
      local function _463_()
        if (len == 0) then
          return k
        else
          return len
        end
      end
      return (nil ~= nxt(t0, _463_()))
    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 _465_
        do
          local _464_ = f_metadata
          _464_["fnl/docstring"] = expr
          _465_ = _464_
        end
        return _465_, index_2a
      elseif (utils["table?"](expr) and (index_2a < #ast) and assoc_table_3f(expr)) then
        local _466_
        do
          local tbl_13_auto = f_metadata
          for k, v in pairs(expr) do
            local k_14_auto, v_15_auto = k, v
            if ((k_14_auto ~= nil) and (v_15_auto ~= nil)) then
              tbl_13_auto[k_14_auto] = v_15_auto
            else
            end
          end
          _466_ = tbl_13_auto
        end
        return _466_, index_2a
      else
        return f_metadata, index
      end
    end
    SPECIALS.fn = function(ast, scope, parent)
      local f_scope
      do
        local _469_ = compiler["make-scope"](scope)
        do end (_469_)["vararg"] = false
        f_scope = _469_
      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 destructure_arg(arg)
        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
      end
      local function destructure_amp(i)
        compiler.assert((i == (#arg_list - 1)), "expected rest argument before last parameter", arg_list[(i + 1)], arg_list)
        f_scope.vararg = true
        compiler.destructure(arg_list[#arg_list], {utils.varg()}, ast, f_scope, f_chunk, {declaration = true, nomulti = true, symtype = "arg"})
        return "..."
      end
      local function get_arg_name(arg, i)
        if f_scope.vararg then
          return nil
        elseif 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) then
          return destructure_amp(i)
        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
          return destructure_arg(arg)
        else
          return compiler.assert(false, ("expected symbol for function parameter: %s"):format(tostring(arg)), ast[index])
        end
      end
      local arg_name_list
      do
        local tbl_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for i, a in ipairs(arg_list) do
          local val_18_auto = get_arg_name(a, i)
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        arg_name_list = tbl_16_auto
      end
      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 _474_
      do
        local _473_ = utils["sym?"](ast[2])
        if (nil ~= _473_) then
          _474_ = tostring(_473_)
        else
          _474_ = _473_
        end
      end
      if ("nil" ~= _474_) then
        table.insert(parent, {ast = ast, leaf = tostring(ast[2])})
      else
      end
      local _478_
      do
        local _477_ = utils["sym?"](ast[3])
        if (nil ~= _477_) then
          _478_ = tostring(_477_)
        else
          _478_ = _477_
        end
      end
      if ("nil" ~= _478_) 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_481_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
      local lhs = _let_481_[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_482_ = compiler.compile1(index, scope, parent, {nval = 1})
            local index0 = _let_482_[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 _486_
      do
        local tbl_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for k in pairs(t) do
          local val_18_auto
          if ("number" ~= type(k)) then
            val_18_auto = k
          else
            val_18_auto = nil
          end
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        _486_ = tbl_16_auto
      end
      return (_486_)[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((3 <= #ast), "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 _491_()
        local _490_ = get_prev_line(parent)
        if (nil ~= _490_) then
          local prev_line = _490_
          return prev_line:match("%)$")
        else
          return nil
        end
      end
      return (rootstr:match("^{") or _491_())
    end
    SPECIALS.tset = function(ast, scope, parent)
      compiler.assert((3 < #ast), "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_493_ = compiler.compile1(ast[i], scope, parent, {nval = 1})
        local key = _let_493_[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)
      local last_item = bindings[(#bindings - 1)]
      if ((utils["sym?"](last_item) and (tostring(last_item) == "&until")) or ("until" == last_item)) 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_502_ = compiler.compile1(condition, scope, chunk, {nval = 1})
        local condition_lua = _let_502_[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((3 <= #ast), "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((3 <= #ast), "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_506_ = ast
      local _ = _let_506_[1]
      local _0 = _let_506_[2]
      local method_string = _let_506_[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_508_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
      local target = _let_508_[1]
      local args = {}
      for i = 4, #ast do
        local subexprs
        local _509_
        if (i ~= #ast) then
          _509_ = 1
        else
          _509_ = nil
        end
        subexprs = compiler.compile1(ast[i], scope, parent, {nval = _509_})
        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 _514_ = compiler["make-scope"](scope)
        do end (_514_)["vararg"] = false
        _514_["hashfn"] = true
        f_scope = _514_
      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 (("table" == type(node)) and (utils.sym("hashfn") ~= node[1]) and (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, _518_)
      local _arg_519_ = _518_
      local mac = _arg_519_["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 _522_ = #operands
      if (_522_ == 0) then
        local _524_
        do
          local _523_ = zero_arity
          compiler.assert(_523_, "Expected more than 0 arguments", ast)
          _524_ = _523_
        end
        return utils.expr(_524_, "literal")
      elseif (_522_ == 1) then
        if unary_prefix then
          return ("(" .. unary_prefix .. padded_op .. operands[1] .. ")")
        else
          return operands[1]
        end
      elseif true then
        local _ = _522_
        return ("(" .. table.concat(operands, padded_op) .. ")")
      else
        return nil
      end
    end
    local function define_arithmetic_special(name, zero_arity, unary_prefix, _3flua_name)
      local _530_
      do
        local _527_ = (_3flua_name or name)
        local _528_ = zero_arity
        local _529_ = unary_prefix
        local function _531_(...)
          return arithmetic_special(_527_, _528_, _529_, ...)
        end
        _530_ = _531_
      end
      SPECIALS[name] = _530_
      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 _532_
          if (i ~= len) then
            _532_ = 1
          else
            _532_ = nil
          end
          subexprs = compiler.compile1(ast[i], scope, parent, {nval = _532_})
          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 _542_
      do
        local _538_ = native
        local _539_ = name
        local _540_ = zero_arity
        local _541_ = unary_prefix
        local function _543_(...)
          return bitop_special(_538_, _539_, _540_, _541_, ...)
        end
        _542_ = _543_
      end
      SPECIALS[name] = _542_
      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, _544_, scope, parent)
      local _arg_545_ = _544_
      local _ = _arg_545_[1]
      local lhs_ast = _arg_545_[2]
      local rhs_ast = _arg_545_[3]
      local _let_546_ = compiler.compile1(lhs_ast, scope, parent, {nval = 1})
      local lhs = _let_546_[1]
      local _let_547_ = compiler.compile1(rhs_ast, scope, parent, {nval = 1})
      local rhs = _let_547_[1]
      return string.format("(%s %s %s)", tostring(lhs), op, tostring(rhs))
    end
    local function idempotent_comparator(op, chain_op, ast, scope, parent)
      local vals
      do
        local tbl_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for i = 2, #ast do
          local val_18_auto = tostring((compiler.compile1(ast[i], scope, parent, {nval = 1}))[1])
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        vals = tbl_16_auto
      end
      local comparisons
      do
        local tbl_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for i = 1, (#vals - 1) do
          local val_18_auto = string.format("(%s %s %s)", vals[i], op, vals[(i + 1)])
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        comparisons = tbl_16_auto
      end
      local chain = string.format(" %s ", (chain_op or "and"))
      return table.concat(comparisons, chain)
    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
      do
        local tbl_16_auto = comparisons
        local i_17_auto = #tbl_16_auto
        for i = 1, (#arglist - 1) do
          local val_18_auto = string.format("(%s %s %s)", arglist[i], op, arglist[(i + 1)])
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
      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)
          elseif utils["every?"](utils["idempotent-expr?"], {unpack(ast, 2)}) then
            return idempotent_comparator(op, _3fchain_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 _554_
      do
        local _553_ = rawget(_G, "utf8")
        if (nil ~= _553_) then
          _554_ = utils.copy(_553_)
        else
          _554_ = _553_
        end
      end
      return {table = utils.copy(table), math = utils.copy(math), string = utils.copy(string), pairs = utils.stablepairs, 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 = _554_}
    end
    local function combined_mt_pairs(env)
      local combined = {}
      local _let_556_ = getmetatable(env)
      local __index = _let_556_["__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 _558_ = (_3fopts or utils.root.options)
        if ((_G.type(_558_) == "table") and ((_558_)["compiler-env"] == "strict")) then
          provided = safe_compiler_env()
        elseif ((_G.type(_558_) == "table") and (nil ~= (_558_).compilerEnv)) then
          local compilerEnv = (_558_).compilerEnv
          provided = compilerEnv
        elseif ((_G.type(_558_) == "table") and (nil ~= (_558_)["compiler-env"])) then
          local compiler_env = (_558_)["compiler-env"]
          provided = compiler_env
        elseif true then
          local _ = _558_
          provided = safe_compiler_env(false)
        else
          provided = nil
        end
      end
      local env
      local function _560_(base)
        return utils.sym(compiler.gensym((compiler.scopes.macro or scope), base))
      end
      local function _561_()
        return compiler.scopes.macro
      end
      local function _562_(symbol)
        compiler.assert(compiler.scopes.macro, "must call from macro", ast)
        return compiler.scopes.macro.manglings[tostring(symbol)]
      end
      local function _563_(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, ["ast-source"] = utils["ast-source"], 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 = _560_, ["get-scope"] = _561_, ["in-scope?"] = _562_, macroexpand = _563_}
      env._G = env
      return setmetatable(env, {__index = provided, __newindex = provided, __pairs = combined_mt_pairs})
    end
    local function _565_(...)
      local tbl_16_auto = {}
      local i_17_auto = #tbl_16_auto
      for c in string.gmatch((package.config or ""), "([^\n]+)") do
        local val_18_auto = c
        if (nil ~= val_18_auto) then
          i_17_auto = (i_17_auto + 1)
          do end (tbl_16_auto)[i_17_auto] = val_18_auto
        else
        end
      end
      return tbl_16_auto
    end
    local _local_564_ = _565_(...)
    local dirsep = _local_564_[1]
    local pathsep = _local_564_[2]
    local pathmark = _local_564_[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 _567_ = (io.open(filename) or io.open(filename2))
        if (nil ~= _567_) then
          local file = _567_
          file:close()
          return filename
        elseif true then
          local _ = _567_
          return nil, ("no file '" .. filename .. "'")
        else
          return nil
        end
      end
      local function find_in_path(start, _3ftried_paths)
        local _569_ = fullpath:match(pattern, start)
        if (nil ~= _569_) then
          local path = _569_
          local _570_, _571_ = try_path(path)
          if (nil ~= _570_) then
            local filename = _570_
            return filename
          elseif ((_570_ == nil) and (nil ~= _571_)) then
            local error = _571_
            local function _573_()
              local _572_ = (_3ftried_paths or {})
              table.insert(_572_, error)
              return _572_
            end
            return find_in_path((start + #path + 1), _573_())
          else
            return nil
          end
        elseif true then
          local _ = _569_
          local function _575_()
            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, _575_()
        else
          return nil
        end
      end
      return find_in_path(1)
    end
    local function make_searcher(_3foptions)
      local function _578_(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 _579_, _580_ = search_module(module_name)
        if (nil ~= _579_) then
          local filename = _579_
          local _583_
          do
            local _581_ = filename
            local _582_ = opts
            local function _584_(...)
              return utils["fennel-module"].dofile(_581_, _582_, ...)
            end
            _583_ = _584_
          end
          return _583_, filename
        elseif ((_579_ == nil) and (nil ~= _580_)) then
          local error = _580_
          return error
        else
          return nil
        end
      end
      return _578_
    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 _586_ = utils.copy(utils.root.options)
        do end (_586_)["module-name"] = module_name
        _586_["env"] = "_COMPILER"
        _586_["requireAsInclude"] = false
        _586_["allowedGlobals"] = nil
        opts = _586_
      end
      local _587_ = search_module(module_name, utils["fennel-module"]["macro-path"])
      if (nil ~= _587_) then
        local filename = _587_
        local _588_
        if (opts["compiler-env"] == _G) then
          local _589_ = fennel_macro_searcher
          local _590_ = filename
          local _591_ = opts
          local function _593_(...)
            return dofile_with_searcher(_589_, _590_, _591_, ...)
          end
          _588_ = _593_
        else
          local _594_ = filename
          local _595_ = opts
          local function _597_(...)
            return utils["fennel-module"].dofile(_594_, _595_, ...)
          end
          _588_ = _597_
        end
        return _588_, filename
      else
        return nil
      end
    end
    local function lua_macro_searcher(module_name)
      local _600_ = search_module(module_name, package.path)
      if (nil ~= _600_) then
        local filename = _600_
        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 _602_()
            return assert(f:read("*a"))
          end
          code = close_handlers_8_auto(_G.xpcall(_602_, (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 _604_ = macro_searchers[n]
      if (nil ~= _604_) then
        local f = _604_
        local _605_, _606_ = f(modname)
        if ((nil ~= _605_) and true) then
          local loader = _605_
          local _3ffilename = _606_
          return loader, _3ffilename
        elseif true then
          local _ = _605_
          return search_macro_module(modname, (n + 1))
        else
          return nil
        end
      else
        return nil
      end
    end
    local function sandbox_fennel_module(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, view = view}
      else
        return nil
      end
    end
    local function _610_(modname)
      local function _611_()
        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 sandbox_fennel_module(modname) or _611_())
    end
    safe_require = _610_
    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)
        compiler["check-binding-valid"](utils.sym(k), scope, ast, {["macro?"] = true})
        do end (scope.macros)[k] = v
      end
      return nil
    end
    local function resolve_module_name(_612_, _scope, _parent, opts)
      local _arg_613_ = _612_
      local filename = _arg_613_["filename"]
      local second = _arg_613_[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] = compiler.assert(utils["table?"](loader(modname, filename)), "expected macros to be table", (_3freal_ast or ast))
      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 _619_()
          return assert(f:read("*all")):gsub("[\13\n]*$", "")
        end
        src = close_handlers_8_auto(_G.xpcall(_619_, (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 _, v in ipairs(temp_chunk) do
        table.insert(utils.root.chunk, 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 _622_, _623_ = pcall(resolve_module_name, ast, scope, parent, opts)
        if ((_622_ == true) and (nil ~= _623_)) then
          local modname = _623_
          modexpr = utils.expr(string.format("%q", modname), "literal")
        elseif true then
          local _ = _622_
          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 _627_()
          local _626_ = search_module(mod)
          if (nil ~= _626_) then
            local fennel_path = _626_
            return include_path(ast, opts, fennel_path, mod, true)
          elseif true then
            local _0 = _626_
            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 _627_())
        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 assert(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) and utils["table?"](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 _268_
      if parent then
        _268_ = ((parent.depth or 0) + 1)
      else
        _268_ = 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 = _268_, 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 col = ((m and m.col) or ast_tbl.col or "?")
      local target = tostring((utils["sym?"](ast_tbl[1]) or ast_tbl[1] or "()"))
      return string.format("%s:%s:%s Compile error in '%s': %s", filename, line, col, target, msg)
    end
    local function assert_compile(condition, msg, ast, _3ffallback_ast)
      if not condition then
        local _let_271_ = (utils.root.options or {})
        local source = _let_271_["source"]
        local unfriendly = _let_271_["unfriendly"]
        local error_pinpoint = _let_271_["error-pinpoint"]
        local ast0
        if next(utils["ast-source"](ast)) then
          ast0 = ast
        else
          ast0 = (_3ffallback_ast or {})
        end
        if (nil == utils.hook("assert-compile", condition, msg, ast0, 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(ast0, msg), 0)
          else
            friend["assert-compile"](condition, msg, ast0, source, {["error-pinpoint"] = error_pinpoint})
          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 _276_(_241)
        return ("\\" .. _241:byte())
      end
      return string.gsub(string.gsub(string.format("%q", str), ".", serialize_subst), "[\128-\255]", _276_)
    end
    local function global_mangling(str)
      if utils["valid-lua-identifier?"](str) then
        return str
      else
        local function _277_(_241)
          return string.format("_%02x", _241:byte())
        end
        return ("__fnl_global__" .. str:gsub("[^%w]", _277_))
      end
    end
    local function global_unmangling(identifier)
      local _279_ = string.match(identifier, "^__fnl_global__(.*)$")
      if (nil ~= _279_) then
        local rest = _279_
        local _280_
        local function _281_(_241)
          return string.char(tonumber(_241:sub(2), 16))
        end
        _280_ = string.gsub(rest, "_[%da-f][%da-f]", _281_)
        return _280_
      elseif true then
        local _ = _279_
        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 _285_(_241)
        return string.format("_%02x", _241:byte())
      end
      mangling = string.gsub(string.gsub(raw, "-", "_"), "[^%w_]", _285_)
      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 combine_auto_gensym(parts, first)
      parts[1] = first
      local last = table.remove(parts)
      local last2 = table.remove(parts)
      local last_joiner = ((parts["multi-sym-method-call"] and ":") or ".")
      table.insert(parts, (last2 .. last_joiner .. last))
      return table.concat(parts, ".")
    end
    local function autogensym(base, scope)
      local _288_ = utils["multi-sym?"](base)
      if (nil ~= _288_) then
        local parts = _288_
        return combine_auto_gensym(parts, autogensym(parts[1], scope))
      elseif true then
        local _ = _288_
        local function _289_()
          local mangling = gensym(scope, base:sub(1, ( - 2)), "auto")
          do end (scope.autogensyms)[base] = mangling
          return mangling
        end
        return (scope.autogensyms[base] or _289_())
      else
        return nil
      end
    end
    local function check_binding_valid(symbol, scope, ast, _3fopts)
      local name = tostring(symbol)
      local macro_3f
      do
        local t_291_ = _3fopts
        if (nil ~= t_291_) then
          t_291_ = (t_291_)["macro?"]
        else
        end
        macro_3f = t_291_
      end
      assert_compile(not name:find("&"), "invalid character: &", symbol)
      assert_compile(not name:find("^%."), "invalid character: .", symbol)
      assert_compile(not (scope.specials[name] or (not macro_3f and 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 = (((1 < #parts) 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 without calling it", symbol)
      assert_compile((not scope.specials[parts[1]] or ("require" == parts[1])), "tried to reference a special form without calling it", symbol)
      assert_compile((not _3freference_3f or local_3f or ("_ENV" == parts[1]) or global_allowed_3f(parts[1])), ("unknown identifier: " .. 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 ((3 <= #chunk) 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 (0 < #subchunk)) 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(file_sourcemap, chunk, tab, depth)
      if chunk.leaf then
        local _let_303_ = utils["ast-source"](chunk.ast)
        local filename = _let_303_["filename"]
        local line = _let_303_["line"]
        table.insert(file_sourcemap, {filename, line})
        return chunk.leaf
      else
        local tab0
        do
          local _304_ = tab
          if (_304_ == true) then
            tab0 = "  "
          elseif (_304_ == false) then
            tab0 = ""
          elseif (_304_ == tab) then
            tab0 = tab
          elseif (_304_ == nil) then
            tab0 = ""
          else
            tab0 = nil
          end
        end
        local function parter(c)
          if (c.leaf or (0 < #c)) then
            local sub = flatten_chunk(file_sourcemap, c, tab0, (depth + 1))
            if (0 < depth) 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 file_sourcemap = {}
        local src = flatten_chunk(file_sourcemap, chunk0, options.indent, 0)
        file_sourcemap.short_src = (options.filename or make_short_src((options.source or src)))
        if options.filename then
          file_sourcemap.key = ("@" .. options.filename)
        else
          file_sourcemap.key = src
        end
        sourcemap[file_sourcemap.key] = file_sourcemap
        return src, file_sourcemap
      end
    end
    local function make_metadata()
      local function _312_(self, tgt, key)
        if self[tgt] then
          return self[tgt][key]
        else
          return nil
        end
      end
      local function _314_(self, tgt, key, value)
        self[tgt] = (self[tgt] or {})
        do end (self[tgt])[key] = value
        return tgt
      end
      local function _315_(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 = _312_, set = _314_, setall = _315_}, __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 (n < len) 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 _323_()
          if (result == "") then
            return "nil"
          else
            return result
          end
        end
        emit(parent, string.format("%s = %s", opts.target, _323_()), ast)
      else
      end
      if (opts.tail or opts.target) then
        return {returned = true}
      else
        local _325_ = exprs
        _325_["returned"] = true
        return _325_
      end
    end
    local function find_macro(ast, scope)
      local macro_2a
      do
        local _327_ = utils["sym?"](ast[1])
        if (_327_ ~= nil) then
          local _328_ = tostring(_327_)
          if (_328_ ~= nil) then
            macro_2a = scope.macros[_328_]
          else
            macro_2a = _328_
          end
        else
          macro_2a = _327_
        end
      end
      local multi_sym_parts = utils["multi-sym?"](ast[1])
      if (not macro_2a and multi_sym_parts) then
        local nested_macro = utils["get-in"](scope.macros, multi_sym_parts)
        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(_332_, _index, node)
      local _arg_333_ = _332_
      local filename = _arg_333_["filename"]
      local line = _arg_333_["line"]
      local bytestart = _arg_333_["bytestart"]
      local byteend = _arg_333_["byteend"]
      do
        local src = utils["ast-source"](node)
        if (("table" == type(node)) and (filename ~= src.filename)) then
          src.filename, src.line, src["from-macro?"] = filename, line, true
          src.bytestart, src.byteend = bytestart, byteend
        else
        end
      end
      return ("table" == type(node))
    end
    local function quote_literal_nils(index, node, parent)
      if (parent and utils["list?"](parent)) then
        for i = 1, utils.maxn(parent) do
          local _335_ = parent[i]
          if (_335_ == nil) then
            parent[i] = utils.sym("nil")
          else
          end
        end
      else
      end
      return index, node, parent
    end
    local function comp(f, g)
      local function _338_(...)
        return f(g(...))
      end
      return _338_
    end
    local function built_in_3f(m)
      local found_3f = false
      for _, f in pairs(scopes.global.macros) do
        if found_3f then break end
        found_3f = (f == m)
      end
      return found_3f
    end
    local function macroexpand_2a(ast, scope, _3fonce)
      local _339_
      if utils["list?"](ast) then
        _339_ = find_macro(ast, scope)
      else
        _339_ = nil
      end
      if (_339_ == false) then
        return ast
      elseif (nil ~= _339_) then
        local macro_2a = _339_
        local old_scope = scopes.macro
        local _
        scopes.macro = scope
        _ = nil
        local ok, transformed = nil, nil
        local function _341_()
          return macro_2a(unpack(ast, 2))
        end
        local function _342_()
          if built_in_3f(macro_2a) then
            return tostring
          else
            return debug.traceback
          end
        end
        ok, transformed = xpcall(_341_, _342_())
        local _344_
        do
          local _343_ = ast
          local function _345_(...)
            return propagate_trace_info(_343_, ...)
          end
          _344_ = _345_
        end
        utils["walk-tree"](transformed, comp(_344_, quote_literal_nils))
        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 _ = _339_
        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((utils["sym?"](ast[1]) or utils["list?"](ast[1]) or ("string" == type(ast[1]))), ("cannot call literal value " .. tostring(ast[1])), ast)
      for i = 2, len do
        local subexprs
        local _351_
        if (i ~= len) then
          _351_ = 1
        else
          _351_ = nil
        end
        subexprs = compile1(ast[i], scope, parent, {nval = _351_})
        table.insert(fargs, subexprs[1])
        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((0 < len), "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 _356_
      if scope.hashfn then
        _356_ = "use $... in hashfn"
      else
        _356_ = "unexpected vararg"
      end
      assert_compile(scope.vararg, _356_, 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 _359_ = string.gsub(tostring(n), ",", ".")
      return _359_
    end
    local function compile_scalar(ast, _scope, parent, opts)
      local serialize
      do
        local _360_ = type(ast)
        if (_360_ == "nil") then
          serialize = tostring
        elseif (_360_ == "boolean") then
          serialize = tostring
        elseif (_360_ == "string") then
          serialize = serialize_string
        elseif (_360_ == "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 function escape_key(k)
        if ((type(k) == "string") and utils["valid-lua-identifier?"](k)) then
          return k
        else
          local _let_362_ = compile1(k, scope, parent, {nval = 1})
          local compiled = _let_362_[1]
          return ("[" .. tostring(compiled) .. "]")
        end
      end
      local keys = {}
      local buffer
      do
        local tbl_16_auto = {}
        local i_17_auto = #tbl_16_auto
        for i, elem in ipairs(ast) do
          local val_18_auto
          do
            local nval = ((nil ~= ast[(i + 1)]) and 1)
            do end (keys)[i] = true
            val_18_auto = exprs1(compile1(elem, scope, parent, {nval = nval}))
          end
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
        buffer = tbl_16_auto
      end
      do
        local tbl_16_auto = buffer
        local i_17_auto = #tbl_16_auto
        for k, v in utils.stablepairs(ast) do
          local val_18_auto
          if not keys[k] then
            local _let_365_ = compile1(ast[k], scope, parent, {nval = 1})
            local v0 = _let_365_[1]
            val_18_auto = string.format("%s = %s", escape_key(k), tostring(v0))
          else
            val_18_auto = nil
          end
          if (nil ~= val_18_auto) then
            i_17_auto = (i_17_auto + 1)
            do end (tbl_16_auto)[i_17_auto] = val_18_auto
          else
          end
        end
      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_369_ = opts0
      local isvar = _let_369_["isvar"]
      local declaration = _let_369_["declaration"]
      local forceglobal = _let_369_["forceglobal"]
      local forceset = _let_369_["forceset"]
      local symtype = _let_369_["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)
          else
          end
          assert_compile((meta or not opts0.noundef or global_allowed_3f(parts[1])), ("expected local " .. parts[1]), symbol)
          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 _375_(_241)
          if scope.manglings[_241] then
            return _241
          else
            return "nil"
          end
        end
        inits = utils.map(lvalues, _375_)
        local init = table.concat(inits, ", ")
        local lvalue = table.concat(lvalues, ", ")
        local plast = parent[#parent]
        local plen = #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 unpack_fn = "function (t, k, e)\n                        local mt = getmetatable(t)\n                        if 'table' == type(mt) and mt.__fennelrest then\n                          return mt.__fennelrest(t, k)\n                        elseif e then\n                          local rest = {}\n                          for k, v in pairs(t) do\n                            if not e[k] then rest[k] = v end\n                          end\n                          return rest\n                        else\n                          return {(table.unpack or unpack)(t, k)}\n                        end\n                      end"
      local function destructure_kv_rest(s, v, left, excluded_keys, destructure1)
        local exclude_str
        local _382_
        do
          local tbl_16_auto = {}
          local i_17_auto = #tbl_16_auto
          for _, k in ipairs(excluded_keys) do
            local val_18_auto = string.format("[%s] = true", serialize_string(k))
            if (nil ~= val_18_auto) then
              i_17_auto = (i_17_auto + 1)
              do end (tbl_16_auto)[i_17_auto] = val_18_auto
            else
            end
          end
          _382_ = tbl_16_auto
        end
        exclude_str = table.concat(_382_, ", ")
        local subexpr = utils.expr(string.format(string.gsub(("(" .. unpack_fn .. ")(%s, %s, {%s})"), "\n%s*", " "), s, tostring(v), exclude_str), "expression")
        return destructure1(v, {subexpr}, left)
      end
      local function destructure_rest(s, k, left, destructure1)
        local unpack_str = ("(" .. unpack_fn .. ")(%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)
        return destructure1(left[(k + 1)], {subexpr}, left)
      end
      local function destructure_table(left, rightexprs, top_3f, destructure1)
        local s = gensym(scope, symtype0)
        local right
        do
          local _384_
          if top_3f then
            _384_ = exprs1(compile1(from, scope, parent))
          else
            _384_ = exprs1(rightexprs)
          end
          if (_384_ == "") then
            right = "nil"
          elseif (nil ~= _384_) then
            local right0 = _384_
            right = right0
          else
            right = nil
          end
        end
        local excluded_keys = {}
        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?"](k) and (tostring(k) == "&")) then
              destructure_kv_rest(s, v, left, excluded_keys, destructure1)
            elseif (utils["sym?"](v) and (tostring(v) == "&")) then
              destructure_rest(s, k, left, destructure1)
            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")
              if (type(k) == "string") then
                table.insert(excluded_keys, k)
              else
              end
              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(left[1], "must provide at least one value", left)
        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, opts0)
      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, _3fopts)
      local opts = (_3fopts or {})
      return compile_stream(parser["string-stream"](str, opts), opts)
    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 _404_()
            if info.name then
              return ("'" .. info.name .. "'")
            else
              return "?"
            end
          end
          return string.format("  %s:%d: in function %s", info.short_src, info.currentline, _404_())
        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("^%g+:%d+:%d+ Compile error:.*") or msg:find("^%g+:%d+:%d+ Parse error:.*")) and not utils["debug-on?"]("trace")) then
        return msg
      else
        local lines = {}
        if (msg:find("^%g+:%d+:%d+ Compile error:") or msg:find("^%g+:%d+:%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 _408_ = debug.getinfo(level, "Sln")
            if (_408_ == nil) then
              done_3f = true
            elseif (nil ~= _408_) then
              local info = _408_
              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 _411_(k, v)
        if (type(k) == "number") then
          return k, fv(v)
        else
          return fk(k), fv(v)
        end
      end
      return _411_
    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 _416_()
          return nil
        end
        mapped = utils.kvmap(form, entry_transform(_416_, 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 _419_
        if source then
          _419_ = source.line
        else
          _419_ = "nil"
        end
        return string.format("setmetatable({%s}, {filename=%s, line=%s, sequence=%s})", mixed_concat(mapped, ", "), filename, _419_, "(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 _422_()
          if source then
            return source.line
          else
            return "nil"
          end
        end
        return string.format("setmetatable({%s}, {filename=%s, line=%s})", mixed_concat(mapped, ", "), filename, _422_())
      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, ["check-binding-valid"] = check_binding_valid, 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 utf8_ok_3f, utf8 = pcall(require, "utf8")
    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: (.*)"] = {"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", "making sure to use prefix operators, not infix"}, ["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 without calling it"] = {"renaming the macro so as not to conflict with locals"}, ["tried to reference a special form without calling it"] = {"making sure to use prefix operators, not infix", "wrapping the special in a function if you need it to be first class"}, ["missing subject"] = {"adding an item to operate on"}, ["expected even number of pattern/body pairs"] = {"checking that every pattern has a body to go with it", "adding _ before the final body"}, ["expected at least one pattern/body pair"] = {"adding a pattern and a body to execute when the pattern matches"}, ["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 s = nil
      for pat, sug in pairs(suggestions) do
        if s then break end
        local matches = {msg:match(pat)}
        if (0 < #matches) then
          local tbl_16_auto = {}
          local i_17_auto = #tbl_16_auto
          for _, s0 in ipairs(sug) do
            local val_18_auto = s0:format(unpack(matches))
            if (nil ~= val_18_auto) then
              i_17_auto = (i_17_auto + 1)
              do end (tbl_16_auto)[i_17_auto] = val_18_auto
            else
            end
          end
          s = tbl_16_auto
        else
          s = nil
        end
      end
      return s
    end
    local function read_line(filename, line, _3fsource)
      if _3fsource then
        local matcher = string.gmatch((_3fsource .. "\n"), "(.-)(\13?\n)")
        for _ = 2, line do
          matcher()
        end
        return matcher()
      else
        local f = assert(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 _185_()
          for _ = 2, line do
            f:read()
          end
          return f:read()
        end
        return close_handlers_8_auto(_G.xpcall(_185_, (package.loaded.fennel or debug).traceback))
      end
    end
    local function sub(str, start, _end)
      if ((_end < start) or (#str < start) or (#str < _end)) then
        return ""
      elseif utf8_ok_3f then
        return string.sub(str, utf8.offset(str, start), ((utf8.offset(str, (_end + 1)) or (utf8.len(str) + 1)) - 1))
      else
        return string.sub(str, start, math.min(_end, str:len()))
      end
    end
    local function highlight_line(codeline, col, _3fendcol, opts)
      if ((opts and (false == opts["error-pinpoint"])) or (os and os.getenv and os.getenv("NO_COLOR"))) then
        return codeline
      else
        local _let_188_ = (opts or {})
        local error_pinpoint = _let_188_["error-pinpoint"]
        local endcol = (_3fendcol or col)
        local eol
        if utf8_ok_3f then
          eol = utf8.len(codeline)
        else
          eol = string.len(codeline)
        end
        local _let_190_ = (error_pinpoint or {"\27[7m", "\27[0m"})
        local open = _let_190_[1]
        local close = _let_190_[2]
        return (sub(codeline, 1, col) .. open .. sub(codeline, (col + 1), (endcol + 1)) .. close .. sub(codeline, (endcol + 2), eol))
      end
    end
    local function friendly_msg(msg, _192_, source, opts)
      local _arg_193_ = _192_
      local filename = _arg_193_["filename"]
      local line = _arg_193_["line"]
      local col = _arg_193_["col"]
      local endcol = _arg_193_["endcol"]
      local ok, codeline = pcall(read_line, filename, line, source)
      local out = {msg, ""}
      if (ok and codeline) then
        if col then
          table.insert(out, highlight_line(codeline, col, endcol, opts))
        else
          table.insert(out, codeline)
        end
      else
      end
      for _, suggestion in ipairs((suggest(msg) or {})) do
        table.insert(out, ("* Try %s."):format(suggestion))
      end
      return table.concat(out, "\n")
    end
    local function assert_compile(condition, msg, ast, source, opts)
      if not condition then
        local _let_196_ = utils["ast-source"](ast)
        local filename = _let_196_["filename"]
        local line = _let_196_["line"]
        local col = _let_196_["col"]
        error(friendly_msg(("%s:%s:%s Compile error: %s"):format((filename or "unknown"), (line or "?"), (col or "?"), msg), utils["ast-source"](ast), source, opts), 0)
      else
      end
      return condition
    end
    local function parse_error(msg, filename, line, col, source, opts)
      return error(friendly_msg(("%s:%s:%s Parse error: %s"):format(filename, line, col, msg), {filename = filename, line = line, col = col}, source, opts), 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 _198_(parser_state)
        if not done_3f then
          if (index <= #c) then
            local b = c:byte(index)
            index = (index + 1)
            return b
          else
            local _199_ = getchunk(parser_state)
            local function _200_()
              local char = _199_
              return (char ~= "")
            end
            if ((nil ~= _199_) and _200_()) then
              local char = _199_
              c = char
              index = 2
              return c:byte()
            elseif true then
              local _ = _199_
              done_3f = true
              return nil
            else
              return nil
            end
          end
        else
          return nil
        end
      end
      local function _204_()
        c = ""
        return nil
      end
      return _198_, _204_
    end
    local function string_stream(str, _3foptions)
      local str0 = str:gsub("^#!", ";;")
      if _3foptions then
        _3foptions.source = str0
      else
      end
      local index = 1
      local function _206_()
        local r = str0:byte(index)
        index = (index + 1)
        return r
      end
      return _206_
    end
    local delims = {[40] = 41, [41] = true, [91] = 93, [93] = true, [123] = 125, [125] = true}
    local function sym_char_3f(b)
      local b0
      if ("number" == type(b)) then
        b0 = b
      else
        b0 = string.byte(b)
      end
      return ((32 < b0) 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 char_starter_3f(b)
      return ((function(_208_,_209_,_210_) return (_208_ < _209_) and (_209_ < _210_) end)(1,b,127) or (function(_211_,_212_,_213_) return (_211_ < _212_) and (_212_ < _213_) end)(192,b,247))
    end
    local function parser_fn(getbyte, filename, _214_)
      local _arg_215_ = _214_
      local source = _arg_215_["source"]
      local unfriendly = _arg_215_["unfriendly"]
      local comments = _arg_215_["comments"]
      local options = _arg_215_
      local stack = {}
      local line, byteindex, col, prev_col, lastb = 1, 0, 0, 0, nil
      local function ungetb(ub)
        if char_starter_3f(ub) then
          col = (col - 1)
        else
        end
        if (ub == 10) then
          line, col = (line - 1), prev_col
        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 and char_starter_3f(r)) then
          col = (col + 1)
        else
        end
        if (r == 10) then
          line, col, prev_col = (line + 1), 0, col
        else
        end
        return r
      end
      local function whitespace_3f(b)
        local function _225_()
          local t_224_ = options.whitespace
          if (nil ~= t_224_) then
            t_224_ = (t_224_)[b]
          else
          end
          return t_224_
        end
        return ((b == 32) or (function(_221_,_222_,_223_) return (_221_ <= _222_) and (_222_ <= _223_) end)(9,b,13) or _225_())
      end
      local function parse_error(msg, _3fcol_adjust)
        local col0 = (col + (_3fcol_adjust or -1))
        if (nil == utils["hook-opts"]("parse-error", options, msg, filename, (line or "?"), col0, source, utils.root.reset)) then
          utils.root.reset()
          if (unfriendly or not _G.io or not _G.io.read) then
            return error(string.format("%s:%s:%s Parse error: %s", filename, (line or "?"), col0, msg), 0)
          else
            return friend["parse-error"](msg, filename, (line or "?"), col0, source, options)
          end
        else
          return nil
        end
      end
      local function parse_stream()
        local whitespace_since_dispatch, done_3f, retval = true
        local function set_source_fields(source0)
          source0.byteend, source0.endcol = byteindex, (col - 1)
          return nil
        end
        local function dispatch(v)
          local _229_ = stack[#stack]
          if (_229_ == nil) then
            retval, done_3f, whitespace_since_dispatch = v, true, false
            return nil
          elseif ((_G.type(_229_) == "table") and (nil ~= (_229_).prefix)) then
            local prefix = (_229_).prefix
            local source0
            do
              local _230_ = table.remove(stack)
              set_source_fields(_230_)
              source0 = _230_
            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 ~= _229_) then
            local top = _229_
            whitespace_since_dispatch = false
            return table.insert(top, v)
          else
            return nil
          end
        end
        local function badend()
          local accum = utils.map(stack, "closer")
          local _232_
          if (#stack == 1) then
            _232_ = ""
          else
            _232_ = "s"
          end
          return parse_error(string.format("expected closing delimiter%s %s", _232_, 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 (0 < #stack)) then
            return badend()
          else
            return b
          end
        end
        local function parse_comment(b, contents)
          if (b and (10 ~= b)) then
            local function _236_()
              local _235_ = contents
              table.insert(_235_, string.char(b))
              return _235_
            end
            return parse_comment(getb(), _236_())
          elseif comments then
            ungetb(10)
            return dispatch(utils.comment(table.concat(contents), {line = line, filename = filename}))
          else
            return nil
          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, col = (col - 1)})
        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 _239_ = (comments0)[index]
          if (nil ~= _239_) then
            local existing = _239_
            return table.insert(existing, node)
          elseif true then
            local _ = _239_
            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))
          elseif (utils.sym(":") == tbl[i]) then
            return tostring(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
          set_source_fields(top)
          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 _249_ = {state, b}
            if ((_G.type(_249_) == "table") and ((_249_)[1] == "base") and ((_249_)[2] == 92)) then
              state0 = "backslash"
            elseif ((_G.type(_249_) == "table") and ((_249_)[1] == "base") and ((_249_)[2] == 34)) then
              state0 = "done"
            elseif ((_G.type(_249_) == "table") and ((_249_)[1] == "backslash") and ((_249_)[2] == 10)) then
              table.remove(chars, (#chars - 1))
              state0 = "base"
            elseif true then
              local _ = _249_
              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 _253_ = (rawget(_G, "loadstring") or load)(("return " .. formatted))
          if (nil ~= _253_) then
            local load_fn = _253_
            return dispatch(load_fn())
          elseif (_253_ == 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, col = (col - 1)})
          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 _259_ = tonumber(number_with_stripped_underscores)
            if (nil ~= _259_) then
              local x = _259_
              dispatch(x)
              return true
            elseif true then
              local _ = _259_
              return false
            else
              return nil
            end
          end
        end
        local function check_malformed_sym(rawstr)
          local function col_adjust(pat)
            return (rawstr:find(pat) - utils.len(rawstr) - 1)
          end
          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), col_adjust("%.[0-9]"))
          elseif (rawstr:match("[%.:][%.:]") and (rawstr ~= "..") and (rawstr ~= "$...")) then
            return parse_error(("malformed multisym: " .. rawstr), col_adjust("[%.:][%.:]"))
          elseif ((rawstr ~= ":") and rawstr:match(":$")) then
            return parse_error(("malformed multisym: " .. rawstr), col_adjust(":$"))
          elseif rawstr:match(":.+[%.:]") then
            return parse_error(("method must be last component of multisym: " .. rawstr), col_adjust(":.+[%.:]"))
          else
            return rawstr
          end
        end
        local function parse_sym(b)
          local source0 = {bytestart = byteindex, filename = filename, line = line, col = (col - 1)}
          local rawstr = string.char(unpack(parse_sym_loop({b}, getb())))
          set_source_fields(source0)
          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-opts"]("illegal-char", options, 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 _266_()
        stack, line, byteindex, col, lastb = {}, 1, 0, 0, nil
        return nil
      end
      return parse_stream, _266_
    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, options), 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 default_opts = {["one-line?"] = false, ["detect-cycles?"] = true, ["empty-as-sequence?"] = false, ["metamethod?"] = true, ["prefer-colon?"] = false, ["escape-newlines?"] = false, ["utf8?"] = true, ["line-length"] = 80, depth = 128, ["max-sparse-gap"] = 10}
    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 get_default(key)
      local _7_ = default_opts[key]
      if (_7_ == nil) then
        return error(("option '%s' doesn't have a default value, use the :after key to set it"):format(tostring(key)))
      elseif (nil ~= _7_) then
        local v = _7_
        return v
      else
        return nil
      end
    end
    local function getopt(options, key)
      local val = options[key]
      local _9_ = val
      if ((_G.type(_9_) == "table") and (nil ~= (_9_).once)) then
        local val_2a = (_9_).once
        return val_2a
      elseif true then
        local _ = _9_
        return val
      else
        return nil
      end
    end
    local function normalize_opts(options)
      local tbl_13_auto = {}
      for k, v in pairs(options) do
        local k_14_auto, v_15_auto = nil, nil
        local function _12_()
          local _11_ = v
          if ((_G.type(_11_) == "table") and (nil ~= (_11_).after)) then
            local val = (_11_).after
            return val
          else
            local function _13_()
              return v.once
            end
            if ((_G.type(_11_) == "table") and _13_()) then
              return get_default(k)
            elseif true then
              local _ = _11_
              return v
            else
              return nil
            end
          end
        end
        k_14_auto, v_15_auto = k, _12_()
        if ((k_14_auto ~= nil) and (v_15_auto ~= nil)) then
          tbl_13_auto[k_14_auto] = v_15_auto
        else
        end
      end
      return tbl_13_auto
    end
    local function sort_keys(_16_, _18_)
      local _arg_17_ = _16_
      local a = _arg_17_[1]
      local _arg_19_ = _18_
      local b = _arg_19_[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 (0 < length_2a(kv)) then
        local i = 0
        for _, _22_ in ipairs(kv) do
          local _each_23_ = _22_
          local k = _each_23_[1]
          if (gap < (k - i)) 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 _, _26_ in ipairs(kv) do
        local _each_27_ = _26_
        local j = _each_27_[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 (options["max-sparse-gap"] < max_index_gap(kv)) then
          assoc_3f = true
        else
          fill_gaps(kv)
        end
      else
      end
      if (length_2a(kv) == 0) then
        return kv, "empty"
      else
        local function _31_()
          if assoc_3f then
            return "table"
          else
            return "seq"
          end
        end
        return kv, _31_()
      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 _36_, _37_ = next(t, _3fk)
        if ((nil ~= _36_) and (nil ~= _37_)) then
          local k = _36_
          local v = _37_
          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 (getopt(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, last_comment_3f)
      local indent_str = ("\n" .. string.rep(" ", indent))
      local open
      local function _41_()
        if ("seq" == table_type) then
          return "["
        else
          return "{"
        end
      end
      open = ((prefix or "") .. _41_())
      local close
      if ("seq" == table_type) then
        close = "]"
      else
        close = "}"
      end
      local oneline = (open .. table.concat(elements, " ") .. close)
      if (not getopt(options, "one-line?") and (multiline_3f or (options["line-length"] < (indent + length_2a(oneline))) or last_comment_3f)) then
        local function _43_()
          if last_comment_3f then
            return indent_str
          else
            return ""
          end
        end
        return (open .. table.concat(elements, indent_str) .. _43_() .. 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 comment_3f(x)
      if ("table" == type(x)) then
        local fst = x[1]
        return (("string" == type(fst)) and (nil ~= fst:find("^;")))
      else
        return false
      end
    end
    local function pp_associative(t, kv, options, indent)
      local multiline_3f = false
      local id = options.seen[t]
      if (options.depth <= options.level) then
        return "{...}"
      elseif (id and getopt(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 getopt(options, "utf8?") then
          slength = utf8_len
        else
          local function _46_(_241)
            return #_241
          end
          slength = _46_
        end
        local prefix
        if visible_cycle_3f0 then
          prefix = ("@" .. id0)
        else
          prefix = ""
        end
        local items
        do
          local options0 = normalize_opts(options)
          local tbl_16_auto = {}
          local i_17_auto = #tbl_16_auto
          for _, _49_ in ipairs(kv) do
            local _each_50_ = _49_
            local k = _each_50_[1]
            local v = _each_50_[2]
            local val_18_auto
            do
              local k0 = pp(k, options0, (indent0 + 1), true)
              local v0 = pp(v, options0, (indent0 + slength(k0) + 1))
              multiline_3f = (multiline_3f or k0:find("\n") or v0:find("\n"))
              val_18_auto = (k0 .. " " .. v0)
            end
            if (nil ~= val_18_auto) then
              i_17_auto = (i_17_auto + 1)
              do end (tbl_16_auto)[i_17_auto] = val_18_auto
            else
            end
          end
          items = tbl_16_auto
        end
        return concat_table_lines(items, options, multiline_3f, indent0, "table", prefix, false)
      end
    end
    local function pp_sequence(t, kv, options, indent)
      local multiline_3f = false
      local id = options.seen[t]
      if (options.depth <= options.level) then
        return "[...]"
      elseif (id and getopt(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 last_comment_3f = comment_3f(t[#t])
        local items
        do
          local options0 = normalize_opts(options)
          local tbl_16_auto = {}
          local i_17_auto = #tbl_16_auto
          for _, _54_ in ipairs(kv) do
            local _each_55_ = _54_
            local _0 = _each_55_[1]
            local v = _each_55_[2]
            local val_18_auto
            do
              local v0 = pp(v, options0, indent0)
              multiline_3f = (multiline_3f or v0:find("\n") or v0:find("^;"))
              val_18_auto = v0
            end
            if (nil ~= val_18_auto) then
              i_17_auto = (i_17_auto + 1)
              do end (tbl_16_auto)[i_17_auto] = val_18_auto
            else
            end
          end
          items = tbl_16_auto
        end
        return concat_table_lines(items, options, multiline_3f, indent0, "seq", prefix, last_comment_3f)
      end
    end
    local function concat_lines(lines, options, indent, force_multi_line_3f)
      if (length_2a(lines) == 0) then
        if getopt(options, "empty-as-sequence?") then
          return "[]"
        else
          return "{}"
        end
      else
        local oneline
        local _59_
        do
          local tbl_16_auto = {}
          local i_17_auto = #tbl_16_auto
          for _, line in ipairs(lines) do
            local val_18_auto = line:gsub("^%s+", "")
            if (nil ~= val_18_auto) then
              i_17_auto = (i_17_auto + 1)
              do end (tbl_16_auto)[i_17_auto] = val_18_auto
            else
            end
          end
          _59_ = tbl_16_auto
        end
        oneline = table.concat(_59_, " ")
        if (not getopt(options, "one-line?") and (force_multi_line_3f or oneline:find("\n") or (options["line-length"] < (indent + length_2a(oneline))))) 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.depth <= options.level) then
        if getopt(options, "empty-as-sequence?") then
          return "[...]"
        else
          return "{...}"
        end
      else
        local _
        local function _64_(_241)
          return visible_cycle_3f(_241, options)
        end
        options["visible-cycle?"] = _64_
        _ = nil
        local lines, force_multi_line_3f = nil, nil
        do
          local options0 = normalize_opts(options)
          lines, force_multi_line_3f = metamethod(t, pp, options0, indent)
        end
        options["visible-cycle?"] = nil
        local _65_ = type(lines)
        if (_65_ == "string") then
          return lines
        elseif (_65_ == "table") then
          return concat_lines(lines, options, indent, force_multi_line_3f)
        elseif true then
          local _0 = _65_
          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 _68_
        if getopt(options, "metamethod?") then
          local _69_ = x
          if (nil ~= _69_) then
            local _70_ = getmetatable(_69_)
            if (nil ~= _70_) then
              _68_ = (_70_).__fennelview
            else
              _68_ = _70_
            end
          else
            _68_ = _69_
          end
        else
          _68_ = nil
        end
        if (nil ~= _68_) then
          local metamethod = _68_
          x0 = pp_metamethod(x, metamethod, options, indent)
        elseif true then
          local _ = _68_
          local _74_, _75_ = table_kv_pairs(x, options)
          if (true and (_75_ == "empty")) then
            local _0 = _74_
            if getopt(options, "empty-as-sequence?") then
              x0 = "[]"
            else
              x0 = "{}"
            end
          elseif ((nil ~= _74_) and (_75_ == "table")) then
            local kv = _74_
            x0 = pp_associative(x, kv, options, indent)
          elseif ((nil ~= _74_) and (_75_ == "seq")) then
            local kv = _74_
            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 _79_ = string.gsub(tostring(n), ",", ".")
      return _79_
    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(_80_,_81_,_82_) return (_80_ <= _81_) and (_81_ <= _82_) end)(init0["min-byte"],byte,init0["max-byte"]) and init0)
          end
          init = ret
        end
        local code
        local function _83_()
          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(_85_,_86_,_87_) return (_85_ <= _86_) and (_86_ <= _87_) end)(128,byte0,191) and ((code0 * 64) + (byte0 - 128)))
          end
          return code0
        end
        code = (init and _83_())
        if (code and (function(_88_,_89_,_90_) return (_88_ <= _89_) and (_89_ <= _90_) end)(init["min-code"],code,init["max-code"]) and not (function(_91_,_92_,_93_) return (_91_ <= _92_) and (_92_ <= _93_) end)(55296,code,57343)) 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 len = length_2a(str)
      local esc_newline_3f = ((len < 2) or (getopt(options, "escape-newlines?") and (len < (options["line-length"] - indent))))
      local escs
      local _97_
      if esc_newline_3f then
        _97_ = "\\n"
      else
        _97_ = "\n"
      end
      local function _99_(_241, _242)
        return ("\\%03d"):format(_242:byte())
      end
      escs = setmetatable({["\7"] = "\\a", ["\8"] = "\\b", ["\12"] = "\\f", ["\11"] = "\\v", ["\13"] = "\\r", ["\9"] = "\\t", ["\\"] = "\\\\", ["\""] = "\\\"", ["\n"] = _97_}, {__index = _99_})
      local str0 = ("\"" .. str:gsub("[%c\\\"]", escs) .. "\"")
      if getopt(options, "utf8?") then
        return utf8_escape(str0)
      else
        return str0
      end
    end
    local function make_options(t, options)
      local defaults
      do
        local tbl_13_auto = {}
        for k, v in pairs(default_opts) do
          local k_14_auto, v_15_auto = k, v
          if ((k_14_auto ~= nil) and (v_15_auto ~= nil)) then
            tbl_13_auto[k_14_auto] = v_15_auto
          else
          end
        end
        defaults = tbl_13_auto
      end
      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 _102_(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 _105_()
        local _104_ = getmetatable(x0)
        if (nil ~= _104_) then
          return (_104_).__fennelview
        else
          return _104_
        end
      end
      if ((tv == "table") or ((tv == "userdata") and _105_())) then
        return pp_table(x0, options0, indent0)
      elseif (tv == "number") then
        return number__3estring(x0)
      else
        local function _107_()
          if (colon_3f ~= nil) then
            return colon_3f
          elseif ("function" == type(options0["prefer-colon?"])) then
            return options0["prefer-colon?"](x0)
          else
            return getopt(options0, "prefer-colon?")
          end
        end
        if ((tv == "string") and colon_string_3f(x0) and _107_()) 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 = _102_
    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 = "1.3.0"
    local function luajit_vm_3f()
      return ((nil ~= _G.jit) and (type(_G.jit) == "table") and (nil ~= _G.jit.on) and (nil ~= _G.jit.off) and (type(_G.jit.version_num) == "number"))
    end
    local function luajit_vm_version()
      local jit_os
      if (_G.jit.os == "OSX") then
        jit_os = "macOS"
      else
        jit_os = _G.jit.os
      end
      return (_G.jit.version .. " " .. jit_os .. "/" .. _G.jit.arch)
    end
    local function fengari_vm_3f()
      return ((nil ~= _G.fengari) and (type(_G.fengari) == "table") and (nil ~= _G.fengari.VERSION) and (type(_G.fengari.VERSION_NUM) == "number"))
    end
    local function fengari_vm_version()
      return (_G.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 len
    do
      local _112_, _113_ = pcall(require, "utf8")
      if ((_112_ == true) and (nil ~= _113_)) then
        local utf8 = _113_
        len = utf8.len
      elseif true then
        local _ = _112_
        len = string.len
      else
        len = nil
      end
    end
    local function mt_keys_in_order(t, out, used_keys)
      for _, k in ipairs(getmetatable(t).keys) do
        if (t[k] and not used_keys[k]) then
          used_keys[k] = true
          table.insert(out, k)
        else
        end
      end
      for k in pairs(t) do
        if not used_keys[k] then
          table.insert(out, k)
        else
        end
      end
      return out
    end
    local function stablepairs(t)
      local keys
      local _118_
      do
        local t_117_ = getmetatable(t)
        if (nil ~= t_117_) then
          t_117_ = (t_117_).keys
        else
        end
        _118_ = t_117_
      end
      if _118_ then
        keys = mt_keys_in_order(t, {}, {})
      else
        local _120_
        do
          local tbl_16_auto = {}
          local i_17_auto = #tbl_16_auto
          for k in pairs(t) do
            local val_18_auto = k
            if (nil ~= val_18_auto) then
              i_17_auto = (i_17_auto + 1)
              do end (tbl_16_auto)[i_17_auto] = val_18_auto
            else
            end
          end
          _120_ = tbl_16_auto
        end
        local function _122_(_241, _242)
          return (tostring(_241) < tostring(_242))
        end
        table.sort(_120_, _122_)
        keys = _120_
      end
      local succ
      do
        local tbl_13_auto = {}
        for i, k in ipairs(keys) do
          local k_14_auto, v_15_auto = k, keys[(i + 1)]
          if ((k_14_auto ~= nil) and (v_15_auto ~= nil)) then
            tbl_13_auto[k_14_auto] = v_15_auto
          else
          end
        end
        succ = tbl_13_auto
      end
      local function stablenext(tbl, key)
        local next_key
        if (key == nil) then
          next_key = keys[1]
        else
          next_key = succ[key]
        end
        return next_key, tbl[next_key]
      end
      return stablenext, t, nil
    end
    local function get_in(tbl, path, _3ffallback)
      assert(("table" == type(tbl)), "get-in expects path to be a table")
      if (0 == #path) then
        return _3ffallback
      else
        local _126_
        do
          local t = tbl
          for _, k in ipairs(path) do
            if (nil == t) then break end
            local _127_ = type(t)
            if (_127_ == "table") then
              t = t[k]
            else
              t = nil
            end
          end
          _126_ = t
        end
        if (nil ~= _126_) then
          local res = _126_
          return res
        elseif true then
          local _ = _126_
          return _3ffallback
        else
          return nil
        end
      end
    end
    local function map(t, f, _3fout)
      local out = (_3fout or {})
      local f0
      if (type(f) == "function") then
        f0 = f
      else
        local function _131_(_241)
          return (_241)[f]
        end
        f0 = _131_
      end
      for _, x in ipairs(t) do
        local _133_ = f0(x)
        if (nil ~= _133_) then
          local v = _133_
          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 _135_(_241)
          return (_241)[f]
        end
        f0 = _135_
      end
      for k, x in stablepairs(t) do
        local _137_, _138_ = f0(k, x)
        if ((nil ~= _137_) and (nil ~= _138_)) then
          local key = _137_
          local value = _138_
          out[key] = value
        elseif (nil ~= _137_) then
          local value = _137_
          table.insert(out, value)
        else
        end
      end
      return out
    end
    local function copy(from, _3fto)
      local tbl_13_auto = (_3fto or {})
      for k, v in pairs((from or {})) do
        local k_14_auto, v_15_auto = k, v
        if ((k_14_auto ~= nil) and (v_15_auto ~= nil)) then
          tbl_13_auto[k_14_auto] = v_15_auto
        else
        end
      end
      return tbl_13_auto
    end
    local function member_3f(x, tbl, _3fn)
      local _141_ = tbl[(_3fn or 1)]
      if (_141_ == x) then
        return true
      elseif (_141_ == nil) then
        return nil
      elseif true then
        local _ = _141_
        return member_3f(x, tbl, ((_3fn or 1) + 1))
      else
        return nil
      end
    end
    local function maxn(tbl)
      local max = 0
      for k in pairs(tbl) do
        if ("number" == type(k)) then
          max = math.max(max, k)
        else
          max = max
        end
      end
      return max
    end
    local function every_3f(predicate, seq)
      local result = true
      for _, item in ipairs(seq) do
        if not result then break end
        result = predicate(item)
      end
      return result
    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 _144_ = getmetatable(t)
          if ((_G.type(_144_) == "table") and true) then
            local __index = (_144_).__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, _3fview, _3foptions, _3findent)
      local safe = {}
      local view0
      if _3fview then
        local function _148_(_241)
          return _3fview(_241, _3foptions, _3findent)
        end
        view0 = _148_
      else
        view0 = view
      end
      local max = maxn(self)
      for i = 1, max do
        safe[i] = (((self[i] == nil) and nil_sym) or self[i])
      end
      return ("(" .. table.concat(map(safe, view0), " ", 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 _150_(x)
      return tostring(deref(x))
    end
    expr_mt = {__tostring = _150_, "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 _151_()
      return nil
    end
    getenv = ((os and os.getenv) or _151_)
    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 _152_
      do
        local tbl_13_auto = {str}
        for k, v in pairs((_3fsource or {})) do
          local k_14_auto, v_15_auto = nil, nil
          if (type(k) == "string") then
            k_14_auto, v_15_auto = k, v
          else
            k_14_auto, v_15_auto = nil
          end
          if ((k_14_auto ~= nil) and (v_15_auto ~= nil)) then
            tbl_13_auto[k_14_auto] = v_15_auto
          else
          end
        end
        _152_ = tbl_13_auto
      end
      return setmetatable(_152_, symbol_mt)
    end
    nil_sym = sym("nil")
    local function sequence(...)
      local function _155_(seq, view0, inspector, indent)
        local opts
        do
          local _156_ = inspector
          _156_["empty-as-sequence?"] = {once = true, after = inspector["empty-as-sequence?"]}
          _156_["metamethod?"] = {once = false, after = inspector["metamethod?"]}
          opts = _156_
        end
        return view0(seq, opts, indent)
      end
      return setmetatable({...}, {sequence = sequence_marker, __fennelview = _155_})
    end
    local function expr(strcode, etype)
      return setmetatable({type = etype, strcode}, expr_mt)
    end
    local function comment_2a(contents, _3fsource)
      local _let_157_ = (_3fsource or {})
      local filename = _let_157_["filename"]
      local line = _let_157_["line"]
      return setmetatable({filename = filename, line = line, contents}, comment_mt)
    end
    local function varg(_3fsource)
      local _158_
      do
        local tbl_13_auto = {"..."}
        for k, v in pairs((_3fsource or {})) do
          local k_14_auto, v_15_auto = nil, nil
          if (type(k) == "string") then
            k_14_auto, v_15_auto = k, v
          else
            k_14_auto, v_15_auto = nil
          end
          if ((k_14_auto ~= nil) and (v_15_auto ~= nil)) then
            tbl_13_auto[k_14_auto] = v_15_auto
          else
          end
        end
        _158_ = tbl_13_auto
      end
      return setmetatable(_158_, 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 function _161_()
          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 ((0 < #parts) and parts)
        end
        return ((str:match("%.") or str:match(":")) and not str:match("%.%.") and (str:byte() ~= string.byte(".")) and (str:byte(( - 1)) ~= string.byte(".")) and _161_())
      end
    end
    local function quoted_3f(symbol)
      return symbol.quoted
    end
    local function idempotent_expr_3f(x)
      return ((type(x) == "string") or (type(x) == "integer") or (type(x) == "number") or (sym_3f(x) and not multi_sym_3f(x)))
    end
    local function ast_source(ast)
      if (table_3f(ast) or sequence_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 _167_()
    end
    root = {chunk = nil, scope = nil, options = nil, reset = _167_}
    root["set-reset"] = function(_168_)
      local _arg_169_ = _168_
      local chunk = _arg_169_["chunk"]
      local scope = _arg_169_["scope"]
      local options = _arg_169_["options"]
      local reset = _arg_169_["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(_170_)
      local _arg_171_ = _170_
      local name = _arg_171_["name"]
      local versions = _arg_171_["versions"]
      local plugin = _arg_171_
      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_opts(event, _3foptions, ...)
      local plugins
      local function _174_(...)
        local t_173_ = _3foptions
        if (nil ~= t_173_) then
          t_173_ = (t_173_).plugins
        else
        end
        return t_173_
      end
      local function _177_(...)
        local t_176_ = root.options
        if (nil ~= t_176_) then
          t_176_ = (t_176_).plugins
        else
        end
        return t_176_
      end
      plugins = (_174_(...) or _177_(...))
      if plugins then
        local result = nil
        for _, plugin in ipairs(plugins) do
          if result then break end
          check_plugin_version(plugin)
          local _179_ = plugin[event]
          if (nil ~= _179_) then
            local f = _179_
            result = f(...)
          else
            result = nil
          end
        end
        return result
      else
        return nil
      end
    end
    local function hook(event, ...)
      return hook_opts(event, root.options, ...)
    end
    return {warn = warn, allpairs = allpairs, stablepairs = stablepairs, copy = copy, ["get-in"] = get_in, kvmap = kvmap, map = map, ["walk-tree"] = walk_tree, ["member?"] = member_3f, maxn = maxn, ["every?"] = every_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, ["idempotent-expr?"] = idempotent_expr_3f, ["valid-lua-identifier?"] = valid_lua_identifier_3f, ["lua-keywords"] = lua_keywords, hook = hook, ["hook-opts"] = hook_opts, ["propagate-options"] = propagate_options, root = root, ["debug-on?"] = debug_on_3f, ["ast-source"] = ast_source, version = version, ["runtime-version"] = runtime_version, len = len, 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 _753_(...)
      if opts.filename then
        return ("@" .. opts.filename)
      else
        return str
      end
    end
    loader = specials["load-code"](lua_source, env, _753_(...))
    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", "fcollect", "lambda", "\206\187", "macro", "match", "match-try", "case", "case-try", "accumulate", "faccumulate", "doto"}
    local binding_3f = {"collect", "icollect", "fcollect", "each", "for", "let", "with-open", "accumulate", "faccumulate"}
    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 _754_ = type(v)
      if (_754_ == "function") then
        out[k] = {["global?"] = true, ["function?"] = true}
      elseif (_754_ == "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?"], ["multi-sym?"] = utils["multi-sym?"], sequence = utils.sequence, ["sequence?"] = utils["sequence?"], ["table?"] = utils["table?"], 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"], ["ast-source"] = utils["ast-source"], 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"]}
  mod.install = function(_3fopts)
    table.insert((package.searchers or package.loaders), specials["make-searcher"](_3fopts))
    return mod
  end
  utils["fennel-module"] = mod
  do
    local module_name = "fennel.macros"
    local _
    local function _757_()
      return mod
    end
    package.preload[module_name] = _757_
    _ = nil
    local env
    do
      local _758_ = specials["make-compiler-env"](nil, compiler.scopes.compiler, {})
      do end (_758_)["utils"] = utils
      _758_["fennel"] = mod
      env = _758_
    end
    local built_ins = eval([===[;; 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 (if (list? e) (copy 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 (if (list? e) (copy 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 [el (if (list? ?e) (copy ?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 [el (if (list? ?e) (copy ?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."
      (assert (not= val nil) "missing subject")
      (let [rebind? (or (not (sym? val))
                        (multi-sym? val))
            name (if rebind? (gensym)            val)
            form (if rebind? `(let [,name ,val]) `(do))]
        (each [_ elt (ipairs [...])]
          (let [elt (if (list? elt) (copy 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]
        (let [item (. iter-tbl i)]
          (if (or (= `&into item)
                  (= :into  item))
              (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) (<= 2 (length iter-tbl)))
              "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
             (let [(k# v#) ,kv-expr]
               (if (and (not= k# nil) (not= v# nil))
                 (tset tbl# k# v#))))
           tbl#)))
    
    (fn seq-collect [how iter-tbl value-expr ...]
      "Common part between icollect and fcollect for producing sequential tables.
    
    Iteration code only differs in using the for or each keyword, the rest
    of the generated code is identical."
      (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#))
           (,how ,iter
                 (let [val# ,value-expr]
                   (when (not= nil val#)
                     (set i# (+ i# 1))
                     (tset tbl# i# val#))))
           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) (<= 2 (length iter-tbl)))
              "expected iterator binding table")
      (seq-collect 'each iter-tbl value-expr ...))
    
    (fn fcollect* [iter-tbl value-expr ...]
      "Return a sequential table made by advancing a range as specified by
    for, and evaluating an expression that returns values to be inserted
    sequentially into the table.  This can be thought of as a range
    comprehension. If the body evaluates to nil that element is omitted.
    
    For example,
      (fcollect [i 1 10 2]
        (when (not= i 3)
          (* i i)))
    returns
      [1 25 49 81]
    
    Supports an &into clause after the range to put results in an existing table.
    Supports early termination with an &until clause."
      (assert (and (sequence? iter-tbl) (< 2 (length iter-tbl)))
              "expected range binding table")
      (seq-collect 'for iter-tbl value-expr ...))
    
    (fn accumulate-impl [for? iter-tbl body ...]
      (assert (and (sequence? iter-tbl) (<= 4 (length iter-tbl)))
              "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 accum-init] iter-tbl
            iter (sym (if for? "for" "each"))] ; accumulate or faccumulate?
        `(do
           (var ,accum-var ,accum-init)
           (,iter ,[(unpack iter-tbl 3)]
                  (set ,accum-var ,body))
           ,(if (list? accum-var)
              (list (sym :values) (unpack accum-var))
              accum-var))))
    
    (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"
      (accumulate-impl false iter-tbl body ...))
    
    (fn faccumulate* [iter-tbl body ...]
      "Identical to accumulate, but after the accumulator the binding table is the
    same as `for` instead of `each`. Like collect to fcollect, will iterate over a
    numerical range like `for` rather than an iterator."
      (accumulate-impl true iter-tbl body ...))
    
    (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)) (<= 0 n))
              (.. "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)) (<= 0 n) (= 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 (< docstring-position (length args))
                                (= :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)
              ;; if the module-name is an expression (and not just a string) we
              ;; patch our expression to have the correct source filename so
              ;; require-macros can pass it down when resolving the module-name.
              expr `(import-macros ,modname)
              filename (if (list? modname) (. modname 1 :filename) :unknown)
              _ (tset expr :filename filename)
              macros* (_SPECIALS.require-macros expr scope {} binding)]
          (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)
    
    {:-> ->*
     :->> ->>*
     :-?> -?>*
     :-?>> -?>>*
     :?. ?dot
     :doto doto*
     :when when*
     :with-open with-open*
     :collect collect*
     :icollect icollect*
     :fcollect fcollect*
     :accumulate accumulate*
     :faccumulate faccumulate*
     :partial partial*
     :lambda lambda*
     :λ lambda*
     :pick-args pick-args*
     :pick-values pick-values*
     :macro macro*
     :macrodebug macrodebug*
     :import-macros import-macros*}
    ]===], {env = env, scope = compiler.scopes.compiler, useMetadata = true, filename = "src/fennel/macros.fnl", moduleName = module_name})
    local _0
    for k, v in pairs(built_ins) do
      compiler.scopes.global.macros[k] = v
    end
    _0 = nil
    local match_macros = eval([===[;;; Pattern matching
    ;; This is separated out so we can use the "core" macros during the
    ;; implementation of pattern matching.
    
    (fn copy [t] (collect [k v (pairs t)] k v))
    
    (fn with [opts k]
      (doto (copy opts) (tset k true)))
    
    (fn without [opts k]
      (doto (copy opts) (tset k nil)))
    
    (fn case-values [vals pattern unifications case-pattern opts]
      (let [condition `(and)
            bindings []]
        (each [i pat (ipairs pattern)]
          (let [(subcondition subbindings) (case-pattern [(. vals i)] pat
                                                          unifications (without opts :multival?))]
            (table.insert condition subcondition)
            (icollect [_ b (ipairs subbindings) &into bindings] b)))
        (values condition bindings)))
    
    (fn case-table [val pattern unifications case-pattern opts]
      (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 (case-table `(pick-values 1 ,rest-val)
                                              rest-pat unifications case-pattern
                                              (without opts :multival?))]
                (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) (case-pattern [subval] pat
                                                              unifications
                                                              (without opts :multival?))]
                (table.insert condition subcondition)
                (icollect [_ b (ipairs subbindings) &into bindings] b))))
        (values condition bindings)))
    
    (fn case-guard [vals condition guards unifications case-pattern opts]
      (if (= 0 (length guards))
        (case-pattern vals condition unifications opts)
        (let [(pcondition bindings) (case-pattern vals condition unifications opts)
              condition `(and ,(unpack guards))]
           (values `(and ,pcondition
                         (let ,bindings
                           ,condition)) bindings))))
    
    (fn symbols-in-pattern [pattern]
      "gives the set of symbols inside a pattern"
      (if (list? pattern)
          (let [result {}]
            (each [_ child-pattern (ipairs pattern)]
              (collect [name symbol (pairs (symbols-in-pattern child-pattern)) &into result]
                name symbol))
            result)
          (sym? pattern)
          (if (and (not= pattern `or)
                   (not= pattern `where)
                   (not= pattern `?)
                   (not= pattern `nil))
              {(tostring pattern) pattern}
              {})
          (= (type pattern) :table)
          (let [result {}]
            (each [key-pattern value-pattern (pairs pattern)]
              (collect [name symbol (pairs (symbols-in-pattern key-pattern)) &into result]
                name symbol)
              (collect [name symbol (pairs (symbols-in-pattern value-pattern)) &into result]
                name symbol))
            result)
          {}))
    
    (fn symbols-in-every-pattern [pattern-list infer-unification?]
      "gives a list of symbols that are present in every pattern in the list"
      (let [?symbols (accumulate [?symbols nil
                                  _ pattern (ipairs pattern-list)]
                       (let [in-pattern (symbols-in-pattern pattern)]
                         (if ?symbols
                           (do
                             (each [name symbol (pairs ?symbols)]
                               (when (not (. in-pattern name))
                                 (tset ?symbols name nil)))
                             ?symbols)
                           in-pattern)))]
        (icollect [_ symbol (pairs (or ?symbols {}))]
          (if (not (and infer-unification?
                        (in-scope? symbol)))
            symbol))))
    
    (fn case-or [vals pattern guards unifications case-pattern opts]
      (let [pattern [(unpack pattern 2)]
            bindings (symbols-in-every-pattern pattern opts.infer-unification?)] ;; TODO opts.infer-unification instead of opts.unification?
        (if (= 0 (length bindings))
          ;; no bindings special case generates simple code
          (let [condition
                (icollect [i subpattern (ipairs pattern) &into `(or)]
                  (let [(subcondition subbindings) (case-pattern vals subpattern unifications opts)]
                    subcondition))]
            (values
              (if (= 0 (length guards))
                condition
                `(and ,condition ,(unpack guards)))
              []))
          ;; case with bindings is handled specially, and returns three values instead of two
          (let [matched? (gensym :matched?)
                bindings-mangled (icollect [_ binding (ipairs bindings)]
                                   (gensym (tostring binding)))
                pre-bindings `(if)]
            (each [i subpattern (ipairs pattern)]
              (let [(subcondition subbindings) (case-guard vals subpattern guards {} case-pattern opts)]
                (table.insert pre-bindings subcondition)
                (table.insert pre-bindings `(let ,subbindings
                                              (values true ,(unpack bindings))))))
            (values matched?
                    [`(,(unpack bindings)) `(values ,(unpack bindings-mangled))]
                    [`(,matched? ,(unpack bindings-mangled)) pre-bindings])))))
    
    (fn case-pattern [vals pattern unifications opts top-level?]
      "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."
    
      ;; This function returns the following values (multival):
      ;; a "condition", which is an expression that determines whether the
      ;;   pattern should match,
      ;; a "bindings", which bind all of the symbols used in a pattern
      ;; an optional "pre-bindings", which is a list of bindings that happen
      ;;   before the condition and bindings are evaluated. These should only
      ;;   come from a (case-or). In this case there should be no recursion:
      ;;   the call stack should be case-condition > case-pattern > case-or
      ;;
      ;; Here are the expected flags in the opts table:
      ;;   :infer-unification? boolean - if the pattern should guess when to unify  (ie, match -> true, case -> false)
      ;;   :multival? boolean - if the pattern can contain multivals  (in order to disallow patterns like [(1 2)])
      ;;   :in-where? boolean - if the pattern is surrounded by (where)  (where opts into more pattern features)
      ;;   :legacy-guard-allowed? boolean - if the pattern should allow `(a ? b) patterns
    
      ;; 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 (and (sym? pattern)
                 (or (= pattern `nil)
                     (and opts.infer-unification?
                          (in-scope? pattern)
                          (not= pattern `_))
                     (and opts.infer-unification?
                          (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]))
            ;; opt-in unify with (=)
            (and (list? pattern)
                 (= (. pattern 1) `=)
                 (sym? (. pattern 2)))
            (let [bind (. pattern 2)]
              (assert-compile (= 2 (length pattern)) "(=) should take only one argument" pattern)
              (assert-compile (not opts.infer-unification?) "(=) cannot be used inside of match" pattern)
              (assert-compile opts.in-where? "(=) must be used in (where) patterns" pattern)
              (assert-compile (and (sym? bind) (not= bind `nil) "= has to bind to a symbol" bind))
              (values `(= ,val ,bind) []))
            ;; where-or clause
            (and (list? pattern) (= (. pattern 1) `where) (list? (. pattern 2)) (= (. pattern 2 1) `or))
            (do
              (assert-compile top-level? "can't nest (where) pattern" pattern)
              (case-or vals (. pattern 2) [(unpack pattern 3)] unifications case-pattern (with opts :in-where?)))
            ;; where clause
            (and (list? pattern) (= (. pattern 1) `where))
            (do
              (assert-compile top-level? "can't nest (where) pattern" pattern)
              (case-guard vals (. pattern 2) [(unpack pattern 3)] unifications case-pattern (with opts :in-where?)))
            ;; or clause (not allowed on its own)
            (and (list? pattern) (= (. pattern 1) `or))
            (do
              (assert-compile top-level? "can't nest (or) pattern" pattern)
              ;; This assertion can be removed to make patterns more permissive
              (assert-compile false "(or) must be used in (where) patterns" pattern)
              (case-or vals pattern [] unifications case-pattern opts))
            ;; guard clause
            (and (list? pattern) (= (. pattern 2) `?))
            (do
              (assert-compile opts.legacy-guard-allowed? "legacy guard clause not supported in case" pattern)
              (case-guard vals (. pattern 1) [(unpack pattern 3)] unifications case-pattern opts))
            ;; multi-valued patterns (represented as lists)
            (list? pattern)
            (do
              (assert-compile opts.multival? "can't nest multi-value destructuring" pattern)
              (case-values vals pattern unifications case-pattern opts))
            ;; table patterns
            (= (type pattern) :table)
            (case-table val pattern unifications case-pattern opts)
            ;; literal value
            (values `(= ,val ,pattern) []))))
    
    (fn add-pre-bindings [out pre-bindings]
      "Decide when to switch from the current `if` AST to a new one"
      (if pre-bindings
          ;; `out` no longer needs to grow.
          ;; Instead, a new tail `if` AST is introduced, which is where the rest of
          ;; the clauses will get appended. This way, all future clauses have the
          ;; pre-bindings in scope.
          (let [tail `(if)]
            (table.insert out true)
            (table.insert out `(let ,pre-bindings ,tail))
            tail)
          ;; otherwise, keep growing the current `if` AST.
          out))
    
    (fn case-condition [vals clauses match?]
      "Construct the actual `if` AST for the given match values and clauses."
      ;; root is the original `if` AST.
      ;; out is the `if` AST that is currently being grown.
      (let [root `(if)]
        (faccumulate [out root
                      i 1 (length clauses) 2]
          (let [pattern (. clauses i)
                body (. clauses (+ i 1))
                (condition bindings pre-bindings) (case-pattern vals pattern {}
                                                                {:multival? true
                                                                 :infer-unification? match?
                                                                 :legacy-guard-allowed? match?}
                                                                true)
                out (add-pre-bindings out pre-bindings)]
            ;; grow the `if` AST by one extra condition
            (table.insert out condition)
            (table.insert out `(let ,bindings
                                ,body))
            out))
        root))
    
    (fn count-case-multival [pattern]
      "Identify the amount of multival values that a pattern requires."
      (if (and (list? pattern) (= (. pattern 2) `?))
          (count-case-multival (. pattern 1))
          (and (list? pattern) (= (. pattern 1) `where))
          (count-case-multival (. pattern 2))
          (and (list? pattern) (= (. pattern 1) `or))
          (accumulate [longest 0
                       _ child-pattern (ipairs pattern)]
            (math.max longest (count-case-multival child-pattern)))
          (list? pattern)
          (length pattern)
          1))
    
    (fn case-val-syms [clauses]
      "What is the length of the largest multi-valued clause? return a list of that
    many gensyms."
      (let [patterns (fcollect [i 1 (length clauses) 2]
                       (. clauses i))
            sym-count (accumulate [longest 0
                                   _ pattern (ipairs patterns)]
                        (math.max longest (count-case-multival pattern)))]
        (fcollect [i 1 sym-count &into (list)]
          (gensym))))
    
    (fn case-impl [match? val ...]
      "The shared implementation of case and match."
      (assert (not= val nil) "missing subject")
      (assert (= 0 (math.fmod (select :# ...) 2))
              "expected even number of pattern/body pairs")
      (assert (not= 0 (select :# ...))
              "expected at least one pattern/body pair")
      (let [clauses [...]
            vals (case-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] (case-condition vals clauses match?))))
    
    (fn case* [val ...]
      "Perform pattern matching on val. See reference for details.
    
    Syntax:
    
    (case data-expression
      pattern body
      (where pattern guards*) body
      (or pattern patterns*) body
      (where (or pattern patterns*) guards*) body
      ;; legacy:
      (pattern ? guards*) body)"
      (case-impl false val ...))
    
    (fn match* [val ...]
      "Perform pattern matching on val, automatically unifying on variables in
    local scope. See reference for details.
    
    Syntax:
    
    (match data-expression
      pattern body
      (where pattern guards*) body
      (or pattern patterns*) body
      (where (or pattern patterns*) guards*) body
      ;; legacy:
      (pattern ? guards*) body)"
      (case-impl true val ...))
    
    (fn case-try-step [how 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 [...]
              (,how ...
                ,pattern ,(case-try-step how body else ...)
                ,(unpack else)))
            ,expr)))
    
    (fn case-try-impl [how expr pattern body ...]
      (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")
        (case-try-step how expr catch (unpack clauses))))
    
    (fn case-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."
      (case-try-impl `case expr pattern body ...))
    
    (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."
      (case-try-impl `match expr pattern body ...))
    
    {:case case*
     :case-try case-try*
     :match match*
     :match-try match-try*}
    ]===], {env = env, scope = compiler.scopes.compiler, allowedGlobals = false, useMetadata = true, filename = "src/fennel/match.fnl", moduleName = module_name})
    for k, v in pairs(match_macros) do
      compiler.scopes.global.macros[k] = v
    end
    package.preload[module_name] = nil
  end
  return mod
end
fennel = require("fennel")
debug.traceback = fennel.traceback
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 line(ast)
    return (fennel["ast-source"](ast)).line
  end
  local function last_line_length(line0)
    return #line0:match("[^\n]*$")
  end
  local function any_3f(tbl, pred)
    local found = false
    for _, v in pairs(tbl) do
      if found then break end
      found = not not pred(v)
    end
    return found
  end
  local function strip_comments(t)
    local tbl_17_auto = {}
    local i_18_auto = #tbl_17_auto
    for _, x in ipairs(t) do
      local val_19_auto
      if not fennel["comment?"](x) then
        val_19_auto = x
      else
        val_19_auto = nil
      end
      if (nil ~= val_19_auto) then
        i_18_auto = (i_18_auto + 1)
        do end (tbl_17_auto)[i_18_auto] = val_19_auto
      else
      end
    end
    return tbl_17_auto
  end
  local function view_fn_args(t, view, inspector, indent, start_indent, out)
    if fennel["sym?"](t[2]) then
      local third = view(t[3], inspector, (indent + 1))
      table.insert(out, " ")
      table.insert(out, third)
      if ("string" == type(t[4])) then
        table.insert(out, ("\n" .. string.rep(" ", start_indent)))
        inspector["escape-newlines?"] = false
        table.insert(out, view(t[4], inspector, start_indent))
        inspector["escape-newlines?"] = true
        return 5
      else
        return 4
      end
    else
      return 3
    end
  end
  local function first_thing_in_line_3f(out)
    local last = (out[#out] or "")
    return not last:match("[^\n]*$"):match("[^ ]")
  end
  local function break_pair_3f(let_3f, count, viewed, next_ast, next_next, indent)
    if let_3f then
      return ((1 == math.fmod(count, 2)) and not (fennel["comment?"](next_ast) and ((indent + 1 + last_line_length(viewed) + 1 + #tostring(next_ast)) <= 80)))
    else
      return ((("string" == type(next_ast)) or tostring(next_ast):find("^&")) and (80 < (indent + 1 + last_line_length(viewed) + 1 + #tostring(next_ast) + #fennel.view(next_next))))
    end
  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)], bindings[(i0 + 2)], 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)))
    elseif (nil ~= t[2]) then
      table.insert(out, " ")
    else
    end
    local indent
    if force_initial_newline[callee] then
      indent = start_indent
    else
      indent = (start_indent + #callee)
    end
    local second
    local function _14_()
      local t_15_ = syntax
      if (nil ~= t_15_) then
        t_15_ = (t_15_)[callee]
      else
      end
      if (nil ~= t_15_) then
        t_15_ = (t_15_)["binding-form?"]
      else
      end
      return t_15_
    end
    if (_14_() and ("unquote" ~= tostring(t[2][1]))) then
      local function _18_()
        if fennel["list?"](t[2]) then
          return "(", ")"
        else
          return "[", "]"
        end
      end
      second = view_binding(t[2], view, inspector, (indent + 1), ("let" == callee), _18_())
    else
      second = view(t[2], inspector, indent)
    end
    local indent2 = (indent + #second:match("[^\n]*$"))
    if (nil ~= t[2]) then
      table.insert(out, second)
    else
    end
    if fn_forms[callee] then
      return view_fn_args(t, view, inspector, indent2, start_indent, out, callee)
    else
      return 3
    end
  end
  local function match_3f(callee)
    return ({match = true, case = true, ["match-try"] = true, ["case-try"] = true})[callee]
  end
  local function match_same_line_3f(callee, i, out, viewed, t)
    return (match_3f(callee) and (0 == math.fmod(i, 2)) and not any_3f(t, fennel["comment?"]) and (((string.find(viewed, "\n") or #viewed:match("[^\n]*$")) + 1 + last_line_length(out[#out])) <= 80))
  end
  local function trailing_comment_3f(viewed, body_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 originally_same_lines_3f(t, n1, n2)
    local first = t[n1]
    local second = t[n2]
    return (("table" == type(second)) and (function(_22_,_23_,_24_) return (_22_ == _23_) and (_23_ == _24_) end)(line(t),line(first),line(second)))
  end
  local function scalar_3f(form)
    return (fennel["sym?"](form) or fennel["comment?"](form) or fennel["varg?"](form) or ("table" ~= type(form)))
  end
  local function depth(form, base)
    if scalar_3f(form) then
      return base
    else
      local d = (base + 1)
      for _, elem in pairs(form) do
        d = math.max(d, depth(elem, (base + 1)))
      end
      return d
    end
  end
  local function preserve_same_line_3f(t, i, indent, out, viewed, depth0)
    return (((indent + #table.concat(out) + #viewed) <= 80) and (depth0 <= 3) and not fennel["comment?"](t[(i - 1)]) and ((("table" ~= type(t[i])) and (#t <= 4)) or (originally_same_lines_3f(t, 1, i) and not viewed:find("\n"))))
  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 preserve_same_line_3f(t, i, indent, out, viewed, depth(t, 0)) or trailing_comment_3f(viewed, body_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 _31_()
      if fennel["comment?"](c) then
        return (" " .. view(c))
      else
        return ""
      end
    end
    return (view(a) .. " " .. view(b) .. _31_())
  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 _32_
      if fennel.comment(t[(i + 2)]) then
        _32_ = (i + 3)
      else
        _32_ = (i + 2)
      end
      return pairwise_if_3f(t, indent, _32_, view)
    end
  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 not originally_same_lines_3f(t, 2, 3) 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)
    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 body_form_3f(callee)
    local function _37_()
      local t_38_ = syntax
      if (nil ~= t_38_) then
        t_38_ = (t_38_)[callee]
      else
      end
      if (nil ~= t_38_) then
        t_38_ = (t_38_)["body-form?"]
      else
      end
      return t_38_
    end
    return (_37_() or callee:find("%.with-") or callee:find("^with-") or callee:find("%.def") or callee:find("^def"))
  end
  local function view_list(t, view, inspector, start_indent)
    if sugars[tostring(t[1])] then
      return sweeten(t, view, inspector, start_indent)
    else
      local callee = view(t[1], inspector, (start_indent + 1))
      local callee0 = (renames[callee] or callee)
      local out = {"(", callee0}
      local indent
      if body_form_3f(callee0) then
        indent = (start_indent + 2)
      elseif callee0:find("\n") then
        indent = (last_line_length(callee0) + 1)
      else
        indent = (start_indent + #callee0 + 2)
      end
      if body_form_3f(callee0) 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 _44_(...)
    local _45_ = rawget(_G, "utf8")
    if (nil ~= _45_) then
      return (_45_).len
    else
      return _45_
    end
  end
  local function _47_(_241)
    return #_241
  end
  slength = (_44_(...) or _47_)
  local function maybe_attach_comment(x, indent, cs)
    if (cs and (0 < #cs)) then
      local _48_
      do
        local tbl_17_auto = {}
        local i_18_auto = #tbl_17_auto
        for _, c in ipairs(cs) do
          local val_19_auto = tostring(c)
          if (nil ~= val_19_auto) then
            i_18_auto = (i_18_auto + 1)
            do end (tbl_17_auto)[i_18_auto] = val_19_auto
          else
          end
        end
        _48_ = tbl_17_auto
      end
      return (table.concat(_48_, ("\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 _53_()
      local t_52_ = mt
      if (nil ~= t_52_) then
        t_52_ = (t_52_).comments
      else
      end
      if (nil ~= t_52_) then
        t_52_ = (t_52_).keys
      else
      end
      if (nil ~= t_52_) then
        t_52_ = (t_52_)[key]
      else
      end
      return t_52_
    end
    local function _58_()
      local t_57_ = mt
      if (nil ~= t_57_) then
        t_57_ = (t_57_).comments
      else
      end
      if (nil ~= t_57_) then
        t_57_ = (t_57_).values
      else
      end
      if (nil ~= t_57_) then
        t_57_ = (t_57_)[val]
      else
      end
      return t_57_
    end
    return (maybe_attach_comment(k, indent, _53_()) .. " " .. maybe_attach_comment(v, indent, _58_()))
  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 sorter(a, b)
    if (type(a) == type(b)) then
      return (a < b)
    else
      return (tostring(a) < tostring(b))
    end
  end
  local function view_kv(t, view, inspector, indent)
    local indent0 = (indent + 1)
    local mt = getmetatable(t)
    local keys
    local function _64_()
      local _65_
      do
        local tbl_17_auto = {}
        local i_18_auto = #tbl_17_auto
        for k in pairs(t) do
          local val_19_auto = k
          if (nil ~= val_19_auto) then
            i_18_auto = (i_18_auto + 1)
            do end (tbl_17_auto)[i_18_auto] = val_19_auto
          else
          end
        end
        _65_ = tbl_17_auto
      end
      table.sort(_65_, sorter)
      return _65_
    end
    keys = (mt.keys or _64_())
    local pair_strs
    do
      local tbl_17_auto = {}
      local i_18_auto = #tbl_17_auto
      for _, k in ipairs(keys) do
        local val_19_auto = view_pair(t, view, inspector, indent0, mt, k)
        if (nil ~= val_19_auto) then
          i_18_auto = (i_18_auto + 1)
          do end (tbl_17_auto)[i_18_auto] = val_19_auto
        else
        end
      end
      pair_strs = tbl_17_auto
    end
    local oneline = ("{" .. table.concat(pair_strs, " ") .. "}")
    local function _68_()
      local t_69_ = mt
      if (nil ~= t_69_) then
        t_69_ = (t_69_).comments
      else
      end
      if (nil ~= t_69_) then
        t_69_ = (t_69_).last
      else
      end
      if (nil ~= t_69_) then
        t_69_ = (t_69_)[1]
      else
      end
      return t_69_
    end
    if (oneline:match("\n") or _68_() or ((indent0 + #oneline) > inspector["line-length"])) then
      local function _74_()
        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
        return t_73_
      end
      return view_multiline_kv(pair_strs, indent0, _74_())
    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)
    if not scalar_3f(form) then
      if (not fennel["list?"](form) and not fennel["sequence?"](form)) then
        local _79_ = getmetatable(form)
        if (nil ~= _79_) then
          local mt = _79_
          mt["__fennelview"] = view_kv
        elseif true then
          local _ = _79_
          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_83_ = getmetatable(fennel.list())
    local list_mt = _let_83_
    local __fennelview = _let_83_["__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 (line(prev_ast) and line(ast) and (1 == (line(ast) - line(prev_ast))))
  end
  local function abort(filename)
    do end (io.stderr):write(string.format("File not found: %s\n", filename))
    return os.exit(1)
  end
  local function format_file(filename, _84_)
    local _arg_85_ = _84_
    local no_comments = _arg_85_["no-comments"]
    local f
    do
      local _86_ = filename
      if (_86_ == "-") then
        f = io.stdin
      elseif true then
        local _ = _86_
        f = (io.open(filename, "r") or abort(filename))
      else
        f = nil
      end
    end
    local original = f:read("*all")
    local parser = fennel.parser(fennel.stringStream(original), 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, original: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, "")
    local formatted = table.concat(out, "\n")
    return formatted, (formatted ~= original)
  end
  return {fnlfmt = fnlfmt, ["format-file"] = format_file, version = "0.3.2"}
end
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] [--check] FILENAME...")
  print("With the --fix or --check argument, multiple files can be specified.")
  print("With the --fix argument, formats all the files in-place;")
  print("with the --check argument, only checks if all the files are formatted;")
  return print("otherwise 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 function check_file(filename)
  if select(2, format_file(filename, options)) then
    return (io.stderr):write(string.format("Not formatted: %s\n", filename))
  else
    return true
  end
end
local function check_files(filenames)
  local function _92_(_241)
    if _241 then
      return 0
    else
      return 1
    end
  end
  local function _94_()
    local ok_3f = true
    for _, filename in ipairs(filenames) do
      ok_3f = (check_file(filename) and ok_3f)
    end
    return ok_3f
  end
  return os.exit(_92_(_94_()))
end
local function fix(filename)
  local new, changed_3f = format_file(filename, options)
  if changed_3f then
    local f = assert(io.open(filename, "w"))
    f:write(new)
    return f:close()
  else
    return nil
  end
end
local _96_ = arg
if ((_G.type(_96_) == "table") and ((_96_)[1] == "--version")) then
  return print(("fnlfmt version " .. version))
elseif ((_G.type(_96_) == "table") and ((_96_)[1] == "--fix")) then
  local filenames = {select(2, (table.unpack or _G.unpack)(_96_))}
  for _, filename in pairs(filenames) do
    fix(filename)
  end
  return nil
elseif ((_G.type(_96_) == "table") and ((_96_)[1] == "--check")) then
  local filenames = {select(2, (table.unpack or _G.unpack)(_96_))}
  return check_files(filenames)
elseif (((_G.type(_96_) == "table") and ((_96_)[1] == "--help")) or ((_G.type(_96_) == "table") and ((_96_)[1] == "-?")) or ((_G.type(_96_) == "table") and ((_96_)[1] == "-h"))) then
  return help()
elseif ((_G.type(_96_) == "table") and (nil ~= (_96_)[1]) and ((_96_)[2] == nil)) then
  local filename = (_96_)[1]
  local function _98_(...)
    local _97_ = format_file(filename, options)
    return _97_
  end
  return (io.stdout):write(_98_(...))
elseif true then
  local _ = _96_
  return help()
else
  return nil
end
