~nasser/8fl

78fc3297a0720a5c310b0163abf839a8d18dccf5 — Ramsey Nasser 1 year, 17 days ago 1ed1439
Update fennel to 1.3.0

Rename `&` functions / macros to "rle" for now so that 8fl launches
3 files changed, 3607 insertions(+), 1963 deletions(-)

M api-macros.fnl
M core.fnl
M fennel.lua
M api-macros.fnl => api-macros.fnl +2 -2
@@ 13,7 13,7 @@
          (tset _CYCLES ,name# (cycle [,...])))
        ((. _CYCLES ,name#))))))

(fn <&> [...]
(fn <rle> [...]
  (let [name# (tostring (gensym :cycle))]
    `(do
      (when (not (. _CYCLES ,name#))


@@ 40,4 40,4 @@
                    ;; accomplishes this
                    (balance-and-render! p# args#))))))

{ : <> : <&> : <?> : $> }
\ No newline at end of file
{ : <> : <rle> : <?> : $> }
\ No newline at end of file

M core.fnl => core.fnl +24 -21
@@ 83,44 83,48 @@
(fn slices [instrument fragment]
    (-> (samples instrument fragment) (seq.drop 1)))

(tset _G :_CC_VALUES {})
; (tset _G :_CC_VALUES {})

;; cached devices to avoid garbage collection
; (tset _G :_CC_DEVICES {})

;; TODO cache
(fn maybe-install-device [name]
    (when (= nil (. _G._CC_VALUES name))
      (each [i device (ipairs (renoise.Midi.available_input_devices))]
            (when (contains device name)
              (let [m {}]
                   (tset _G._CC_VALUES name m)
                   (tset _G._CC_VALUES device m)
                   (renoise.Midi.create_input_device
                    device
                    (fn [[s cc value]]
                        (when (= s 176)
                          (status (.. "MIDI CC " device " " cc " " value))
                          (tset m cc value)))))))))
; (fn maybe-install-device [name]
;     (when (= nil (. _G._CC_VALUES name))
;       (each [_ device (ipairs (renoise.Midi.available_input_devices))]
;             (when (contains device name)
;               (let [m {}]
;                    (tset _G._CC_VALUES name m)
;                    (tset _G._CC_VALUES device m)
;                    (let [dev (renoise.Midi.create_input_device
;                               device
;                               (fn [[s cc value]]
;                                   (when (= s 176)
;                                     (status (.. "MIDI CC " device " " cc " " value))
;                                     (tset m cc value))))]
;                      (tset _G._CC_DEVICES device dev)))))))


(fn cc [device cc]
    (maybe-install-device device)
    (maybeInstallMidiDevice device)
    (if cc
        (or (. _G._CC_VALUES device cc) 0)
        #(or (. _G._CC_VALUES device $) 0)))

(fn cc% [device cc]
    (maybe-install-device device)
    (maybeInstallMidiDevice device)
    (if cc
        (let [v (. _G._CC_VALUES device cc)] (if v (/ v 127) 0))
        #(let [v (. _G._CC_VALUES device $)] (if v (/ v 127) 0))))

(fn cc%1- [device cc]
    (maybe-install-device device)
    (maybeInstallMidiDevice device)
    (if cc
        (let [v (. _G._CC_VALUES device cc)] (- 1 (if v (/ v 127) 0)))
        #(let [v (. _G._CC_VALUES device $)] (- 1 (if v (/ v 127) 0)))))

(fn cc? [device cc]
    (maybe-install-device device)
    (maybeInstallMidiDevice device)
    (if cc
        (let [v (. _G._CC_VALUES device cc)] (if v (> v 0) false))
        #(let [v (. _G._CC_VALUES device $)] (if v (> v 0) false))))


@@ 264,8 268,7 @@
            (lua :break))))
    columns*))

;; rle
(fn & [...]
(fn rle [...]
    (let [in (seq.iter [...])]
         (resumable
          (while true


@@ 285,4 288,4 @@
  : desugar-instrument
  : samples : slices
  : cc : cc% : cc%1- : cc?
  : & }
\ No newline at end of file
  : rle }
\ No newline at end of file

M fennel.lua => fennel.lua +3581 -1940
@@ 3,15 3,17 @@ package.preload["fennel.repl"] = package.preload["fennel.repl"] or function(...)
  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 _0_()
    local function _631_()
      if (0 < parser_state["stack-size"]) then
        return ".."
      else
        return ">> "
      end
    end
    io.write(_0_())
    io.write(_631_())
    io.flush()
    local input = io.read()
    return (input and (input .. "\n"))


@@ 21,85 23,147 @@ package.preload["fennel.repl"] = package.preload["fennel.repl"] or function(...)
    return io.write("\n")
  end
  local function default_on_error(errtype, err, lua_source)
    local function _1_()
      local _0_0 = errtype
      if (_0_0 == "Lua Compile") then
    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 (_0_0 == "Runtime") then
      elseif (_632_ == "Runtime") then
        return (compiler.traceback(tostring(err), 4) .. "\n")
      else
        local _ = _0_0
      elseif true then
        local _ = _632_
        return ("%s error: %s\n"):format(errtype, tostring(err))
      else
        return nil
      end
    end
    return io.write(_1_())
    return io.write(_633_())
  end
  local save_source = table.concat({"local ___i___ = 1", "while true do", " local name, value = debug.getlocal(1, ___i___)", " if(name and name ~= \"___i___\") then", " ___replLocals___[name] = value", " ___i___ = ___i___ + 1", " else break end end"}, "\n")
  local function splice_save_locals(env, lua_source)
    env.___replLocals___ = (env.___replLocals___ or {})
    local spliced_source = {}
    local bind = "local %s = ___replLocals___['%s']"
    for line in lua_source:gmatch("([^\n]+)\n?") do
      table.insert(spliced_source, line)
  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
    for name in pairs(env.___replLocals___) do
      table.insert(spliced_source, 1, bind:format(name, name))
    local gap
    if lua_source:find("\n") then
      gap = "\n"
    else
      gap = " "
    end
    if ((1 < #spliced_source) and (spliced_source[#spliced_source]):match("^ *return .*$")) then
      table.insert(spliced_source, #spliced_source, save_source)
    local function _639_()
      if next(saves) then
        return (table.concat(saves, " ") .. gap)
      else
        return ""
      end
    end
    local function _642_()
      local _640_, _641_ = lua_source:match("^(.*)[\n ](return .*)$")
      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 table.concat(spliced_source, "\n")
    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, method_3f)
      for k in utils.allpairs(tbl) do
        local k0 = nil
        if ((tbl == env) or (tbl == env.___replLocals___)) then
          k0 = scope.unmanglings[k]
    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
          k0 = k
          return tbl
        end
        if ((#matches < 2000) and (type(k0) == "string") and (input == k0:sub(0, #input)) and (not method_3f or ("function" == type(tbl[k0])))) then
          local function _1_()
            if method_3f then
              return (prefix .. ":" .. k0)
            else
              return (prefix .. k0)
            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
          table.insert(matches, _1_())
        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 nil
      return tbl_16_auto
    end
    local function descend(input, tbl, prefix, add_matches, method_3f)
      local splitter = nil
      local splitter
      if method_3f then
        splitter = "^([^:]+):(.*)"
      else
        splitter = "^([^.]+)%.(.*)"
      end
      local head, tail = input:match(splitter)
      local raw_head = nil
      if ((tbl == env) or (tbl == env.___replLocals___)) then
        raw_head = scope.manglings[head]
      else
        raw_head = head
      end
      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), true)
          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 = nil
      local prefix0
      if prefix then
        prefix0 = (prefix .. ".")
      else


@@ 114,10 178,8 @@ package.preload["fennel.repl"] = package.preload["fennel.repl"] or function(...)
      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)
      if stop_looking_3f then
        break
      end
    end
    return matches
  end


@@ 126,72 188,91 @@ package.preload["fennel.repl"] = package.preload["fennel.repl"] or function(...)
    return input:match("^%s*,")
  end
  local function command_docs()
    local _0_
    local _653_
    do
      local tbl_0_ = {}
      local tbl_16_auto = {}
      local i_17_auto = #tbl_16_auto
      for name, f in pairs(commands) do
        tbl_0_[(#tbl_0_ + 1)] = ("  ,%s - %s"):format(name, ((compiler.metadata):get(f, "fnl/docstring") or "undocumented"))
        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
      _0_ = tbl_0_
      _653_ = tbl_16_auto
    end
    return table.concat(_0_, "\n")
    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")})
    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 _0_0, _1_0 = pcall(specials["load-code"]("return require(...)", env), module_name)
    if ((_0_0 == true) and (nil ~= _1_0)) then
      local old = _1_0
      local _ = nil
    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 = nil
      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
          if (nil == (new0)[k]) then
            old[k] = nil
          else
          end
        end
        package.loaded[module_name] = old
      else
      end
      return on_values({"ok"})
    elseif ((_0_0 == false) and (nil ~= _1_0)) then
      local msg = _1_0
      local function _3_()
        local _2_0 = msg:gsub("\n.*", "")
        return _2_0
    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
      return on_error("Runtime", _3_())
    else
      return nil
    end
  end
  local function run_command(read, on_error, f)
    local _0_0, _1_0, _2_0 = pcall(read)
    if ((_0_0 == true) and (_1_0 == true) and (nil ~= _2_0)) then
      local val = _2_0
    local _664_, _665_, _666_ = pcall(read)
    if ((_664_ == true) and (_665_ == true) and (nil ~= _666_)) then
      local val = _666_
      return f(val)
    elseif ((_0_0 == false) and true and true) then
      local _3fparse_ok = _1_0
      local _3ferr = _2_0
    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 _0_(_241)
    local function _668_(_241)
      return reload(tostring(_241), env, on_values, on_error)
    end
    return run_command(read, on_error, _0_)
    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)


@@ 199,185 280,375 @@ package.preload["fennel.repl"] = package.preload["fennel.repl"] or function(...)
    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)
    local function _0_(_241)
      return on_values(completer(env, scope, tostring(_241)))
    end
    return run_command(read, on_error, _0_)
  end
  do end (compiler.metadata):set(commands.complete, "fnl/docstring", "Print all possible completions for a given input.")
  local function apropos_2a(pattern, module, prefix, seen, names)
    for name, module0 in pairs(module) do
      if (("string" == type(name)) and (package ~= module0)) then
        local _0_0 = type(module0)
        if (_0_0 == "function") then
  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 (_0_0 == "table") then
          if not seen[module0] then
            local _2_
        elseif (_670_ == "table") then
          if not seen[subtbl] then
            local _673_
            do
              local _1_0 = seen
              _1_0[module0] = true
              _2_ = _1_0
              local _672_ = seen
              _672_[subtbl] = true
              _673_ = _672_
            end
            apropos_2a(pattern, module0, (prefix .. name:gsub("%.", "/") .. "."), _2_, names)
            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_0_ = {}
    local tbl_16_auto = {}
    local i_17_auto = #tbl_16_auto
    for _, name in ipairs(names) do
      tbl_0_[(#tbl_0_ + 1)] = name:gsub("^_G%.", "")
      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_0_
    return tbl_16_auto
  end
  commands.apropos = function(env, read, on_values, on_error, scope)
    local function _0_(_241)
  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, _0_)
    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 = nil
    local paths
    do
      local tbl_0_ = {}
      local tbl_16_auto = {}
      local i_17_auto = #tbl_16_auto
      for p in path:gmatch("[^%.]+") do
        tbl_0_[(#tbl_0_ + 1)] = p
        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_0_
      paths = tbl_16_auto
    end
    local tgt = package.loaded
    for _, path0 in ipairs(paths) do
      local _1_
      if (nil == tgt) then break end
      local _681_
      do
        local _0_0 = path0:gsub("%/", ".")
        _1_ = _0_0
      end
      tgt = tgt[_1_]
      if (nil == tgt) then
        break
        local _680_ = path0:gsub("%/", ".")
        _681_ = _680_
      end
      tgt = tgt[_681_]
    end
    return tgt
  end
  local function apropos_doc(pattern)
    local names = {}
    local tbl_16_auto = {}
    local i_17_auto = #tbl_16_auto
    for _, path in ipairs(apropos(".*")) do
      local tgt = apropos_follow_path(path)
      if ("function" == type(tgt)) then
        local _0_0 = (compiler.metadata):get(tgt, "fnl/docstring")
        if (nil ~= _0_0) then
          local docstr = _0_0
          if docstr:match(pattern) then
            table.insert(names, path)
      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 names
    return tbl_16_auto
  end
  commands["apropos-doc"] = function(env, read, on_values, on_error, scope)
    local function _0_(_241)
  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, _0_)
    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(pattern)
  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
        print(specials.doc(tgt, path))
        print()
        on_values(specials.doc(tgt, path))
        on_values()
      else
      end
    end
    return nil
  end
  commands["apropos-show-docs"] = function(env, read, _, on_error, scope)
    local function _0_(_241)
      return apropos_show_docs(tostring(_241))
  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, _0_)
    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 load_plugin_commands()
    if (utils.root and utils.root.options and utils.root.options.plugins) then
      for _, plugin in ipairs(utils.root.options.plugins) do
        for name, f in pairs(plugin) do
          local _0_0 = name:match("^repl%-command%-(.*)")
          if (nil ~= _0_0) then
            local cmd_name = _0_0
            commands[cmd_name] = (commands[cmd_name] or f)
  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
      return nil
    end
    return nil
  end
  local function run_command0(input, read, loop, env, on_values, on_error, scope)
    load_plugin_commands()
  local function run_command_loop(input, read, loop, env, on_values, on_error, scope, chars)
    local command_name = input:match(",([^%s/]+)")
    do
      local _0_0 = commands[command_name]
      if (nil ~= _0_0) then
        local command = _0_0
        command(env, read, on_values, on_error, scope)
      else
        local _ = _0_0
      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 repl(options)
    local old_root_options = utils.root.options
    local env = nil
    if options.env then
      env = specials["wrap-env"](options.env)
  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
      env = setmetatable({}, {__index = (rawget(_G, "_ENV") or _G)})
    end
    local save_locals_3f = ((options.saveLocals ~= false) and env.debug and env.debug.getlocal)
    local opts = {}
    local _ = nil
    for k, v in pairs(options) do
      opts[k] = v
      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 tostring)
    local pp = (opts.pp or view)
    local byte_stream, clear_stream = parser.granulate(read_chunk)
    local chars = {}
    local read, reset = nil, nil
    local function _1_(parser_state)
    local function _724_(parser_state)
      local c = byte_stream(parser_state)
      table.insert(chars, c)
      return c
    end
    read, reset = parser.parser(_1_)
    local scope = compiler["make-scope"]()
    opts.useMetadata = (options.useMetadata ~= false)
    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"](opts.env)
      opts.allowedGlobals = specials["current-global-names"](env)
    else
    end
    if opts.registerCompleter then
      local function _3_(...)
        return completer(env, scope, ...)
      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
      opts.registerCompleter(_3_)
      env.___replLocals___ = setmetatable({}, {__newindex = newindex})
    else
    end
    local function print_values(...)
      local vals = {...}


@@ 392,621 663,212 @@ package.preload["fennel.repl"] = package.preload["fennel.repl"] or function(...)
      for k in pairs(chars) do
        chars[k] = nil
      end
      local ok, parse_ok_3f, x = pcall(read)
      local src_string = string.char((table.unpack or _G.unpack)(chars))
      utils.root.options = opts
      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", parse_ok_3f)
        on_error("Parse", not_eof_3f)
        clear_stream()
        reset()
        return loop()
      elseif command_3f(src_string) then
        return run_command0(src_string, read, loop, env, on_values, on_error, scope)
        return run_command_loop(src_string, read, loop, env, on_values, on_error, opts.scope, chars)
      else
        if parse_ok_3f then
        if not_eof_3f then
          do
            local _4_0, _5_0 = pcall(compiler.compile, x, {["assert-compile"] = opts["assert-compile"], ["parse-error"] = opts["parse-error"], correlate = opts.correlate, moduleName = opts.moduleName, scope = scope, source = src_string, useBitLib = opts.useBitLib, useMetadata = opts.useMetadata})
            if ((_4_0 == false) and (nil ~= _5_0)) then
              local msg = _5_0
            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 ((_4_0 == true) and (nil ~= _5_0)) then
              local src = _5_0
              local src0 = nil
            elseif ((_733_ == true) and (nil ~= _734_)) then
              local src = _734_
              local src0
              if save_locals_3f then
                src0 = splice_save_locals(env, src)
                src0 = splice_save_locals(env, src, opts.scope)
              else
                src0 = src
              end
              local _7_0, _8_0 = pcall(specials["load-code"], src0, env)
              if ((_7_0 == false) and (nil ~= _8_0)) then
                local msg = _8_0
              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 ~= _8_0)) then
                local _0 = _7_0
                local chunk = _8_0
                local function _9_()
              elseif (true and (nil ~= _739_)) then
                local _1 = _738_
                local chunk = _739_
                local function _740_()
                  return print_values(chunk())
                end
                local function _10_(...)
                  return on_error("Runtime", ...)
                local function _741_()
                  local function _742_(...)
                    return on_error("Runtime", ...)
                  end
                  return _742_
                end
                xpcall(_9_, _10_)
                xpcall(_740_, _741_())
              else
              end
            else
            end
          end
          utils.root.options = old_root_options
          return loop()
        else
          return nil
        end
      end
    end
    return loop()
    loop()
    if readline then
      return readline.save_history()
    else
      return nil
    end
  end
  return repl
end
package.preload["fennel.view"] = package.preload["fennel.view"] or function(...)
  local type_order = {["function"] = 5, boolean = 2, number = 1, string = 3, table = 4, thread = 7, userdata = 6}
  local function sort_keys(_0_0, _1_0)
    local _1_ = _0_0
    local a = _1_[1]
    local _2_ = _1_0
    local b = _2_[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
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 (ta < tb)
      end
    end
  end
  local function max_index_gap(kv)
    local gap = 0
    if (#kv > 0) then
      local _2_ = kv
      local _3_ = _2_[1]
      local i = _3_[1]
      local rest = {(table.unpack or unpack)(_2_, 2)}
      for _, _4_0 in ipairs(rest) do
        local _5_ = _4_0
        local k = _5_[1]
        if ((k - i) > gap) then
          gap = (k - i)
        end
        i = k
      end
    end
    return gap
  end
  local function fill_gaps(kv)
    local missing_indexes = {}
    local i = 0
    for _, _2_0 in ipairs(kv) do
      local _3_ = _2_0
      local j = _3_[1]
      if (512 < j) then
        return true
      end
      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") then
        assoc_3f = true
        return env[key]
      end
      insert(kv, {k, v})
    end
    table.sort(kv, sort_keys)
    if not assoc_3f then
      local gap = max_index_gap(kv)
      if (max_index_gap(kv) > options["max-sparse-gap"]) then
        assoc_3f = true
    local function _426_(_, key, value)
      if utils["string?"](key) then
        env[compiler["global-unmangling"](key)] = value
        return nil
      else
        if fill_gaps(kv) then
          assoc_3f = true
        end
        env[key] = value
        return nil
      end
    end
    if (#kv == 0) then
      return kv, "empty"
    else
      local function _3_()
        if assoc_3f then
          return "table"
    local function _428_()
      local function putenv(k, v)
        local _429_
        if utils["string?"](k) then
          _429_ = compiler["global-unmangling"](k)
        else
          return "seq"
          _429_ = k
        end
        return _429_, v
      end
      return kv, _3_()
      return next, utils.kvmap(env, putenv), nil
    end
    return setmetatable({}, {__index = _424_, __newindex = _426_, __pairs = _428_})
  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)
  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
        appearances[t] = ((appearances[t] or 0) + 1)
        mt = nil
      end
    end
    return appearances
    return (mt and utils.kvmap(mt, compiler["global-unmangling"]))
  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
  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
    return seen0
  end
  local function detect_cycle(t, seen, _3fk)
    if ("table" == type(t)) then
      seen[t] = true
      local _2_0, _3_0 = next(t, _3fk)
      if ((nil ~= _2_0) and (nil ~= _3_0)) then
        local k = _2_0
        local v = _3_0
        return (seen[k] or detect_cycle(k, seen) or seen[v] or detect_cycle(v, seen) or detect_cycle(t, seen, k))
      end
    end
  end
  local function visible_cycle_3f(t, options)
    return (options["detect-cycles?"] and detect_cycle(t, {}) and save_table(t, options.seen) and (1 < (options.appearances[t] or 0)))
  end
  local function table_indent(t, indent, id)
    local opener_length = nil
    if id then
      opener_length = (#tostring(id) + 2)
    else
      opener_length = 1
    end
    return (indent + opener_length)
  end
  local pp = nil
  local function concat_table_lines(elements, options, multiline_3f, indent, table_type, prefix)
    local indent_str = ("\n" .. string.rep(" ", indent))
    local open = nil
    local function _2_()
      if ("seq" == table_type) then
        return "["
      else
        return "{"
      end
    end
    open = ((prefix or "") .. _2_())
    local close = nil
    if ("seq" == table_type) then
      close = "]"
    else
      close = "}"
    end
    local oneline = (open .. table.concat(elements, " ") .. close)
    if (not options["one-line?"] and (multiline_3f or ((indent + #oneline) > options["line-length"]))) then
      return (open .. table.concat(elements, indent_str) .. close)
    else
      return oneline
    end
  end
  local function pp_associative(t, kv, options, indent, key_3f)
    local multiline_3f = false
    local id = options.seen[t]
    if (options.level >= options.depth) then
      return "{...}"
    elseif (id and options["detect-cycles?"]) then
      return ("@" .. id .. "{...}")
    else
      local visible_cycle_3f0 = visible_cycle_3f(t, options)
      local id0 = (visible_cycle_3f0 and options.seen[t])
      local indent0 = table_indent(t, indent, id0)
      local slength = nil
      local function _3_()
        local _2_0 = rawget(_G, "utf8")
        if _2_0 then
          return _2_0.len
        else
          return _2_0
        end
      end
      local function _4_(_241)
        return #_241
      end
      slength = ((options["utf8?"] and _3_()) or _4_)
      local prefix = nil
      if visible_cycle_3f0 then
        prefix = ("@" .. id0)
      else
        prefix = ""
      end
      local items = nil
      do
        local tbl_0_ = {}
        for _, _6_0 in pairs(kv) do
          local _7_ = _6_0
          local k = _7_[1]
          local v = _7_[2]
          local _8_
          do
            local k0 = pp(k, options, (indent0 + 1), true)
            local v0 = pp(v, options, (indent0 + slength(k0) + 1))
            multiline_3f = (multiline_3f or k0:find("\n") or v0:find("\n"))
            _8_ = (k0 .. " " .. v0)
          end
          tbl_0_[(#tbl_0_ + 1)] = _8_
        end
        items = tbl_0_
      end
      return concat_table_lines(items, options, multiline_3f, indent0, "table", prefix)
    end
  end
  local function pp_sequence(t, kv, options, indent)
    local multiline_3f = false
    local id = options.seen[t]
    if (options.level >= options.depth) then
      return "[...]"
    elseif (id and options["detect-cycles?"]) then
      return ("@" .. id .. "[...]")
    else
      local visible_cycle_3f0 = visible_cycle_3f(t, options)
      local id0 = (visible_cycle_3f0 and options.seen[t])
      local indent0 = table_indent(t, indent, id0)
      local prefix = nil
      if visible_cycle_3f0 then
        prefix = ("@" .. id0)
      else
        prefix = ""
      end
      local items = nil
      do
        local tbl_0_ = {}
        for _, _3_0 in pairs(kv) do
          local _4_ = _3_0
          local _0 = _4_[1]
          local v = _4_[2]
          local _5_
          do
            local v0 = pp(v, options, indent0)
            multiline_3f = (multiline_3f or v0:find("\n"))
            _5_ = v0
          end
          tbl_0_[(#tbl_0_ + 1)] = _5_
        end
        items = tbl_0_
      end
      return concat_table_lines(items, options, multiline_3f, indent0, "seq", prefix)
    end
  end
  local function concat_lines(lines, options, indent, force_multi_line_3f)
    if (#lines == 0) then
      if options["empty-as-sequence?"] then
        return "[]"
      else
        return "{}"
      end
    else
      local oneline = nil
      local _2_
      do
        local tbl_0_ = {}
        for _, line in ipairs(lines) do
          tbl_0_[(#tbl_0_ + 1)] = line:gsub("^%s+", "")
        end
        _2_ = tbl_0_
      end
      oneline = table.concat(_2_, " ")
      if (not options["one-line?"] and (force_multi_line_3f or oneline:find("\n") or ((indent + #oneline) > options["line-length"]))) then
        return table.concat(lines, ("\n" .. string.rep(" ", indent)))
      else
        return oneline
      end
    end
  end
  local function pp_metamethod(t, metamethod, options, indent)
    if (options.level >= options.depth) then
      if options["empty-as-sequence?"] then
        return "[...]"
      else
        return "{...}"
      end
    else
      local _ = nil
      local function _2_(_241)
        return visible_cycle_3f(_241, options)
      end
      options["visible-cycle?"] = _2_
      _ = nil
      local lines, force_multi_line_3f = metamethod(t, pp, options, indent)
      options["visible-cycle?"] = nil
      local _3_0 = type(lines)
      if (_3_0 == "string") then
        return lines
      elseif (_3_0 == "table") then
        return concat_lines(lines, options, indent, force_multi_line_3f)
      else
        local _0 = _3_0
        return error("__fennelview metamethod must return a table of lines")
      end
    end
  end
  local function pp_table(x, options, indent)
    options.level = (options.level + 1)
    local x0 = nil
    do
      local _2_0 = nil
      if options["metamethod?"] then
        local _3_0 = x
        if _3_0 then
          local _4_0 = getmetatable(_3_0)
          if _4_0 then
            _2_0 = _4_0.__fennelview
          else
            _2_0 = _4_0
          end
        else
          _2_0 = _3_0
        end
      else
      _2_0 = nil
      end
      if (nil ~= _2_0) then
        local metamethod = _2_0
        x0 = pp_metamethod(x, metamethod, options, indent)
      else
        local _ = _2_0
        local _4_0, _5_0 = table_kv_pairs(x, options)
        if (true and (_5_0 == "empty")) then
          local _0 = _4_0
          if options["empty-as-sequence?"] then
            x0 = "[]"
          else
            x0 = "{}"
          end
        elseif ((nil ~= _4_0) and (_5_0 == "table")) then
          local kv = _4_0
          x0 = pp_associative(x, kv, options, indent)
        elseif ((nil ~= _4_0) and (_5_0 == "seq")) then
          local kv = _4_0
          x0 = pp_sequence(x, kv, options, indent)
        else
        x0 = nil
        end
      end
    end
    options.level = (options.level - 1)
    return x0
  end
  local function number__3estring(n)
    local _2_0 = string.gsub(tostring(n), ",", ".")
    return _2_0
  end
  local function colon_string_3f(s)
    return s:find("^[-%w?^_!$%&*+./@|<=>]+$")
  end
  local function pp_string(str, options, indent)
    local escs = nil
    local _2_
    if (options["escape-newlines?"] and (#str < (options["line-length"] - indent))) then
      _2_ = "\\n"
    else
      _2_ = "\n"
    end
    local function _4_(_241, _242)
      return ("\\%03d"):format(_242:byte())
    end
    escs = setmetatable({["\""] = "\\\"", ["\11"] = "\\v", ["\12"] = "\\f", ["\13"] = "\\r", ["\7"] = "\\a", ["\8"] = "\\b", ["\9"] = "\\t", ["\\"] = "\\\\", ["\n"] = _2_}, {__index = _4_})
    return ("\"" .. str:gsub("[%c\\\"]", escs) .. "\"")
  end
  local function make_options(t, options)
    local defaults = {["detect-cycles?"] = true, ["empty-as-sequence?"] = false, ["escape-newlines?"] = false, ["line-length"] = 80, ["max-sparse-gap"] = 10, ["metamethod?"] = true, ["one-line?"] = false, ["prefer-colon?"] = false, ["utf8?"] = true, depth = 128}
    local overrides = {appearances = count_table_appearances(t, {}), level = 0, 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 _2_(x, options, indent, colon_3f)
    local indent0 = (indent or 0)
    local options0 = (options or make_options(x))
    local x0 = nil
    if options0.preprocess then
      x0 = options0.preprocess(x, options0)
    else
      x0 = x
    end
    local tv = type(x0)
    local function _5_()
      local _4_0 = getmetatable(x0)
      if _4_0 then
        return _4_0.__fennelview
      else
        return _4_0
      end
    end
    if ((tv == "table") or ((tv == "userdata") and _5_())) then
      return pp_table(x0, options0, indent0)
    elseif (tv == "number") then
      return number__3estring(x0)
    else
      local function _6_()
        if (colon_3f ~= nil) then
          return colon_3f
        elseif ("function" == type(options0["prefer-colon?"])) then
          return options0["prefer-colon?"](x0)
        else
          return options0["prefer-colon?"]
        end
      end
      if ((tv == "string") and colon_string_3f(x0) and _6_()) 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 = _2_
  local function view(x, options)
    return pp(x, make_options(x, options), 0)
  end
  return view
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 _0_(_, key)
      if (type(key) == "string") then
        return env[compiler["global-unmangling"](key)]
      else
        return env[key]
      end
    end
    local function _1_(_, key, value)
      if (type(key) == "string") then
        env[compiler["global-unmangling"](key)] = value
        return nil
      else
        env[key] = value
        return nil
      end
    end
    local function _2_()
      local function putenv(k, v)
        local _3_
        if (type(k) == "string") then
          _3_ = compiler["global-unmangling"](k)
        else
          _3_ = k
        end
        return _3_, v
      end
      return next, utils.kvmap(env, putenv), nil
    end
    return setmetatable({}, {__index = _0_, __newindex = _1_, __pairs = _2_})
  end
  local function current_global_names(env)
    local mt = nil
    do
      local _0_0 = getmetatable(env)
      if ((type(_0_0) == "table") and (nil ~= _0_0.__pairs)) then
        local __pairs = _0_0.__pairs
        local tbl_0_ = {}
        for k, v in __pairs(env) do
          local _1_0, _2_0 = k, v
          if ((nil ~= _1_0) and (nil ~= _2_0)) then
            local k_0_ = _1_0
            local v_0_ = _2_0
            tbl_0_[k_0_] = v_0_
          end
        end
        mt = tbl_0_
      elseif (_0_0 == nil) then
        mt = (env or _G)
      else
      mt = nil
      end
    end
    return (mt and utils.kvmap(mt, compiler["global-unmangling"]))
  end
  local function load_code(code, environment, filename)
    local environment0 = (environment or rawget(_G, "_ENV") or _G)
    if (rawget(_G, "setfenv") and rawget(_G, "loadstring")) then
      local f = assert(_G.loadstring(code, filename))
      _G.setfenv(f, environment0)
      return f
    else
      return assert(load(code, filename, "t", environment0))
    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$", ""):gsub("\n", "\n  ")
      local mt = getmetatable(tgt)
      if ((type(tgt) == "function") or ((type(mt) == "table") and (type(mt.__call) == "function"))) then
        local arglist = table.concat(((compiler.metadata):get(tgt, "fnl/arglist") or {"#<unknown-arguments>"}), " ")
        local _0_
        if (#arglist > 0) then
          _0_ = " "
        else
          _0_ = ""
        end
        return string.format("(%s%s%s)\n  %s", name, _0_, arglist, docstring)
      else
        return string.format("%s\n  %s", name, docstring)
  local function doc_2a(tgt, name)
    if not tgt then
      return (name .. " not found")
    else
      local docstring = (((compiler.metadata):get(tgt, "fnl/docstring") or "#<undocumented>")):gsub("\n$", ""):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/body-form?"] = body_form_3f, ["fnl/docstring"] = docstring}
    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, start)
    local start0 = (start or 2)
  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 = start0, len do
    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, start, chunk, sub_scope, pre_syms)
    local start0 = (start or 2)
    local sub_scope0 = (sub_scope or compiler["make-scope"](scope))
    local chunk0 = (chunk or {})
  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 < start0) then
        compiler.compile1(nil, sub_scope0, chunk0, {tail = outer_tail, target = outer_target})
      if (len < start) then
        compiler.compile1(nil, sub_scope, chunk, {tail = outer_tail, target = outer_target})
      else
        for i = start0, len do
        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_scope0, chunk0, 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, chunk0, ast)
      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


@@ 1015,8 877,8 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    elseif opts.nval then
      local syms = {}
      for i = 1, opts.nval do
        local s = ((pre_syms and pre_syms[i]) or compiler.gensym(scope))
        syms[i] = s
        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, ", ")


@@ 1025,14 887,13 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
      return compile_body(outer_target, opts.tail)
    else
      local fname = compiler.gensym(scope)
      local fargs = nil
      local fargs
      if scope.vararg then
        fargs = "..."
      else
        fargs = ""
      end
      compiler.emit(parent, string.format("local function %s(%s)", fname, fargs), ast)
      utils.hook("do", ast, sub_scope0)
      return compile_body(nil, true, utils.expr((fname .. "(" .. fargs .. ")"), "statement"))
    end
  end


@@ 1047,97 908,172 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
        for j = 2, #subexprs do
          table.insert(exprs, subexprs[j])
        end
      else
      end
    end
    return exprs
  end
  doc_special("values", {"..."}, "Return multiple values from a function. Must be in tail position.")
  local function deep_tostring(x, key_3f)
    local elems = {}
    if utils["sequence?"](x) then
      local _0_
      do
        local tbl_0_ = {}
        for _, v in ipairs(x) do
          tbl_0_[(#tbl_0_ + 1)] = deep_tostring(v)
        end
        _0_ = tbl_0_
      end
      return ("[" .. table.concat(_0_, " ") .. "]")
    elseif utils["table?"](x) then
      local _0_
      do
        local tbl_0_ = {}
        for k, v in pairs(x) do
          tbl_0_[(#tbl_0_ + 1)] = (deep_tostring(k, true) .. " " .. deep_tostring(v))
  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
        _0_ = tbl_0_
      end
      return ("{" .. table.concat(_0_, " ") .. "}")
    elseif (key_3f and (type(x) == "string") and x:find("^[-%w?\\^_!$%&*+./@:|<=>]+$")) then
      return (":" .. x)
    elseif (type(x) == "string") then
      return string.format("%q", x):gsub("\\\"", "\\\\\""):gsub("\"", "\\\"")
    else
      return tostring(x)
    end
    return res
  end
  local function set_fn_metadata(arg_list, docstring, parent, fn_name)
    if utils.root.options.useMetadata then
      local args = nil
      local function _0_(_241)
        return ("\"%s\""):format(deep_tostring(_241))
  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
      args = utils.map(arg_list, _0_)
      local meta_fields = {"\"fnl/arglist\"", ("{" .. table.concat(args, ", ") .. "}")}
      if docstring then
        table.insert(meta_fields, "\"fnl/docstring\"")
        table.insert(meta_fields, ("\"" .. docstring:gsub("%s+$", ""):gsub("\\", "\\\\"):gsub("\n", "\\n"):gsub("\"", "\\\"") .. "\""))
    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, ", ")))
    end
    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 _0_
      local _458_
      if not multi then
        _0_ = compiler["declare-local"](fn_name, {}, scope, ast)
        _458_ = compiler["declare-local"](fn_name, {}, scope, ast)
      else
        _0_ = compiler["symbol-to-expression"](fn_name, scope)[1]
        _458_ = (compiler["symbol-to-expression"](fn_name, scope))[1]
      end
      return _0_, not multi, 3
      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, arg_list, docstring)
  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 _0_
    local _461_
    if local_3f then
      _0_ = "local function %s(%s)"
      _461_ = "local function %s(%s)"
    else
      _0_ = "%s = function(%s)"
      _461_ = "%s = function(%s)"
    end
    compiler.emit(parent, string.format(_0_, fn_name, table.concat(arg_name_list, ", ")), ast)
    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(arg_list, docstring, parent, fn_name)
    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, arg_list, docstring, scope)
  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, arg_list, docstring)
    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 = nil
    local f_scope
    do
      local _0_0 = compiler["make-scope"](scope)
      _0_0["vararg"] = false
      f_scope = _0_0
      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])


@@ 1145,93 1081,103 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    local fn_name, local_3f, index = get_fn_name(ast, scope, fn_sym, multi)
    local arg_list = compiler.assert(utils["table?"](ast[index]), "expected parameters table", ast)
    compiler.assert((not multi or not multi["multi-sym-method-call"]), ("unexpected multi symbol " .. tostring(fn_name)), fn_sym)
    local function get_arg_name(arg)
      if utils["varg?"](arg) then
    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) and (utils.deref(arg) ~= "nil") and not utils["multi-sym?"](utils.deref(arg))) then
      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
        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
        return destructure_arg(arg)
      else
        return compiler.assert(false, ("expected symbol for function parameter: %s"):format(tostring(arg)), ast[2])
        return compiler.assert(false, ("expected symbol for function parameter: %s"):format(tostring(arg)), ast[index])
      end
    end
    local arg_name_list = utils.map(arg_list, get_arg_name)
    local index0, docstring = nil, nil
    if ((type(ast[(index + 1)]) == "string") and ((index + 1) < #ast)) then
      index0, docstring = (index + 1), ast[(index + 1)]
    else
      index0, docstring = index, nil
    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, arg_list, docstring)
      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, arg_list, docstring, scope)
      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.\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)
  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 _1_
    local _474_
    do
      local _0_0 = utils["sym?"](ast[2])
      if _0_0 then
        _1_ = utils.deref(_0_0)
      local _473_ = utils["sym?"](ast[2])
      if (nil ~= _473_) then
        _474_ = tostring(_473_)
      else
        _1_ = _0_0
        _474_ = _473_
      end
    end
    if ("nil" ~= _1_) then
    if ("nil" ~= _474_) then
      table.insert(parent, {ast = ast, leaf = tostring(ast[2])})
    else
    end
    local _2_
    local _478_
    do
      local _1_0 = utils["sym?"](ast[3])
      if _1_0 then
        _2_ = utils.deref(_1_0)
      local _477_ = utils["sym?"](ast[3])
      if (nil ~= _477_) then
        _478_ = tostring(_477_)
      else
        _2_ = _1_0
        _478_ = _477_
      end
    end
    if ("nil" ~= _2_) then
    if ("nil" ~= _478_) then
      return tostring(ast[3])
    end
  end
  SPECIALS.doc = function(ast, scope, parent)
    assert(utils.root.options.useMetadata, "can't look up doc with metadata disabled.")
    compiler.assert((#ast == 2), "expected one argument", ast)
    local target = utils.deref(ast[2])
    local special_or_macro = (scope.specials[target] or scope.macros[target])
    if special_or_macro then
      return ("print(%q)"):format(doc_2a(special_or_macro, target))
    else
      local _0_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
      local value = _0_[1]
      return ("print(require('%s').doc(%s, '%s'))"):format((utils.root.options.moduleName or "fennel"), tostring(value), tostring(ast[2]))
      return nil
    end
  end
  doc_special("doc", {"x"}, "Print the docstring and arglist for a function, macro, or special form.")
  local function dot(ast, scope, parent)
    compiler.assert((1 < #ast), "expected table argument", ast)
    local len = #ast
    local _0_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
    local lhs = _0_[1]
    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 ((type(index) == "string") and utils["valid-lua-identifier?"](index)) then
        if (utils["string?"](index) and utils["valid-lua-identifier?"](index)) then
          table.insert(indices, ("." .. index))
        else
          local _1_ = compiler.compile1(index, scope, parent, {nval = 1})
          local index0 = _1_[1]
          local _let_482_ = compiler.compile1(index, scope, parent, {nval = 1})
          local index0 = _let_482_[1]
          table.insert(indices, ("[" .. tostring(index0) .. "]"))
        end
      end


@@ 1275,12 1221,34 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    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["list?"](bindings) or utils["table?"](bindings)), "expected binding table", ast)
    compiler.assert((utils["table?"](bindings) and not kv_3f(bindings)), "expected binding sequence", bindings)
    compiler.assert(((#bindings % 2) == 0), "expected even number of name/value bindings", ast[2])
    compiler.assert((#ast >= 3), "expected body expression", ast[1])
    compiler.assert((3 <= #ast), "expected body expression", ast[1])
    for _ = 1, (opts.nval or 0) do
      table.insert(pre_syms, compiler.gensym(scope))
    end


@@ 1300,27 1268,29 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    end
  end
  local function disambiguate_3f(rootstr, parent)
    local function _1_()
      local _0_0 = get_prev_line(parent)
      if (nil ~= _0_0) then
        local prev_line = _0_0
    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 _1_())
    return (rootstr:match("^{") or _491_())
  end
  SPECIALS.tset = function(ast, scope, parent)
    compiler.assert((#ast > 3), "expected table, key, and value arguments", ast)
    local root = compiler.compile1(ast[2], scope, parent, {nval = 1})[1]
    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 _0_ = compiler.compile1(ast[i], scope, parent, {nval = 1})
      local key = _0_[1]
      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 value = (compiler.compile1(ast[#ast], scope, parent, {nval = 1}))[1]
    local rootstr = tostring(root)
    local fmtstr = nil
    local fmtstr
    if disambiguate_3f(rootstr, parent) then
      fmtstr = "do end (%s)[%s] = %s"
    else


@@ 1337,7 1307,7 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
      local target_exprs = {}
      for i = 1, opts.nval do
        local s = compiler.gensym(scope)
        accum[i] = s
        do end (accum)[i] = s
        target_exprs[i] = utils.expr(s, "sym")
      end
      return "target", opts.tail, table.concat(accum, ", "), target_exprs


@@ 1346,6 1316,7 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    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)


@@ 1356,6 1327,10 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
      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})


@@ 1366,26 1341,20 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
      branch.nested = ((i ~= 2) and (next(condchunk, nil) == nil))
      table.insert(branches, branch)
    end
    local has_else_3f = ((#ast > 3) and ((#ast % 2) == 0))
    local else_branch = (has_else_3f and compile_body(#ast))
    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 = nil
      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 = nil
      if ((cond == "true") and branch.nested and (i == #branches) and not has_else_3f) then
        cond_line = "else"
      else
        cond_line = fstr:format(cond)
      end
      local cond_line = fstr:format(cond)
      if branch.nested then
        compiler.emit(last_buffer, branch.condchunk, ast)
      else


@@ 1396,20 1365,16 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
      compiler.emit(last_buffer, cond_line, ast)
      compiler.emit(last_buffer, branch.chunk, ast)
      if (i == #branches) then
        if has_else_3f then
          compiler.emit(last_buffer, "else", ast)
          compiler.emit(last_buffer, else_branch.chunk, ast)
        elseif (inner_target and (cond_line ~= "else")) then
          compiler.emit(last_buffer, "else", ast)
          compiler.emit(last_buffer, ("%s = nil"):format(inner_target), ast)
        end
        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
      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


@@ 1434,20 1399,25 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  SPECIALS["if"] = if_2a
  doc_special("if", {"cond1", "body1", "...", "condN", "bodyN"}, "Conditional form.\nTakes any number of condition/body pairs and evaluates the first body where\nthe condition evaluates to truthy. Similar to cond in other lisps.")
  local function remove_until_condition(bindings)
    if ("until" == bindings[(#bindings - 1)]) then
    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 _0_ = compiler.compile1(condition, scope, chunk, {nval = 1})
      local condition_lua = _0_[1]
      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((#ast >= 3), "expected body expression", ast[1])
    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)


@@ 1456,17 1426,17 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    local new_manglings = {}
    local sub_scope = compiler["make-scope"](scope)
    local function destructure_binding(v)
      compiler.assert(("string" ~= type(v)), ("unexpected iterator clause " .. tostring(v)), binding)
      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))
        destructures[raw] = v
        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, sub_scope, parent)
    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)


@@ 1482,13 1452,13 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  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 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])
        parent[i] = nil
        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)


@@ 1509,10 1479,10 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    local range_args = {}
    local chunk = {}
    compiler.assert(utils["sym?"](binding_sym), ("unable to bind %s %s"):format(type(binding_sym), tostring(binding_sym)), ast[2])
    compiler.assert((#ast >= 3), "expected body expression", ast[1])
    compiler.assert((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], sub_scope, parent, {nval = 1})[1])
      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)


@@ 1523,11 1493,11 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  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 _0_ = ast
    local _ = _0_[1]
    local _0 = _0_[2]
    local method_string = _0_[3]
    local call_string = nil
    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


@@ 1536,33 1506,33 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    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 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 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 _0_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
    local target = _0_[1]
    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 = nil
      local _1_
      local subexprs
      local _509_
      if (i ~= #ast) then
        _1_ = 1
        _509_ = 1
      else
      _1_ = nil
        _509_ = nil
      end
      subexprs = compiler.compile1(ast[i], scope, parent, {nval = _1_})
      subexprs = compiler.compile1(ast[i], scope, parent, {nval = _509_})
      utils.map(subexprs, tostring, args)
    end
    if ((type(ast[3]) == "string") and utils["valid-lua-identifier?"](ast[3])) then
    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)


@@ 1577,11 1547,11 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    for i = 2, #ast do
      table.insert(els, view(ast[i], {["one-line?"] = true}))
    end
    return compiler.emit(parent, ("-- " .. table.concat(els, " ")), ast)
    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 = nil
    local max0
    if f_scope.symmeta[("$" .. i)].used then
      max0 = i
    else


@@ 1595,12 1565,12 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  end
  SPECIALS.hashfn = function(ast, scope, parent)
    compiler.assert((#ast == 2), "expected one argument", ast)
    local f_scope = nil
    local f_scope
    do
      local _0_0 = compiler["make-scope"](scope)
      _0_0["vararg"] = false
      _0_0["hashfn"] = true
      f_scope = _0_0
      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)


@@ 1611,12 1581,12 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
      args[i] = compiler["declare-local"](utils.sym(("$" .. i)), {}, f_scope, ast)
    end
    local function walker(idx, node, parent_node)
      if (utils["sym?"](node) and (utils.deref(node) == "$...")) then
      if (utils["sym?"](node) and (tostring(node) == "$...")) then
        parent_node[idx] = utils.varg()
        f_scope.vararg = true
        return nil
      else
        return (utils["list?"](node) or utils["table?"](node))
        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)


@@ 1624,10 1594,11 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    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 = nil
    local arg_str
    if f_scope.vararg then
      arg_str = utils.deref(utils.varg())
      arg_str = tostring(utils.varg())
    else
      arg_str = table.concat(args, ", ", 1, max_used)
    end


@@ 1637,35 1608,63 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    return utils.expr(name, "sym")
  end
  doc_special("hashfn", {"..."}, "Function literal shorthand; args are either $... OR $1, $2, etc.")
  local function arithmetic_special(name, zero_arity, unary_prefix, nval, ast, scope, parent)
    local _0_0 = #ast
    if (_0_0 == 1) then
      compiler.assert(zero_arity, "Expected more than 0 arguments", ast)
      return utils.expr(zero_arity, "literal")
    elseif (nil ~= _0_0) then
      local len = _0_0
      local operands = {}
      local padded_op = (" " .. name .. " ")
      for i = 2, len do
        local subexprs = compiler.compile1(ast[i], scope, parent, {nval = nval})
  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
      if (#operands == 1) then
        if unary_prefix then
          return ("(" .. unary_prefix .. padded_op .. operands[1] .. ")")
        else
          return operands[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 ("(" .. table.concat(operands, padded_op) .. ")")
        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, lua_name)
    local function _0_(...)
      return arithmetic_special((lua_name or name), zero_arity, unary_prefix, 1, ...)
  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] = _0_
    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")


@@ 1677,10 1676,10 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  define_arithmetic_special("/", nil, "1")
  define_arithmetic_special("//", nil, "1")
  SPECIALS["or"] = function(ast, scope, parent)
    return arithmetic_special("or", "false", nil, nil, 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, nil, 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.")


@@ 1693,14 1692,14 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
      local padded_native_name = (" " .. native_name .. " ")
      local prefixed_lib_name = ("bit." .. lib_name)
      for i = 2, len do
        local subexprs = nil
        local _0_
        local subexprs
        local _532_
        if (i ~= len) then
          _0_ = 1
          _532_ = 1
        else
        _0_ = nil
          _532_ = nil
        end
        subexprs = compiler.compile1(ast[i], scope, parent, {nval = _0_})
        subexprs = compiler.compile1(ast[i], scope, parent, {nval = _532_})
        utils.map(subexprs, tostring, operands)
      end
      if (#operands == 1) then


@@ 1719,10 1718,18 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    end
  end
  local function define_bitop_special(name, zero_arity, unary_prefix, native)
    local function _0_(...)
      return bitop_special(native, name, zero_arity, unary_prefix, ...)
    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] = _0_
    SPECIALS[name] = _542_
    return nil
  end
  define_bitop_special("lshift", nil, "1", "<<")


@@ 1736,17 1743,49 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  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, _0_0, scope, parent)
    local _1_ = _0_0
    local _ = _1_[1]
    local lhs_ast = _1_[2]
    local rhs_ast = _1_[3]
    local _2_ = compiler.compile1(lhs_ast, scope, parent, {nval = 1})
    local lhs = _2_[1]
    local _3_ = compiler.compile1(rhs_ast, scope, parent, {nval = 1})
    local rhs = _3_[1]
  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 = {}


@@ 1754,22 1793,33 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    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]))
      table.insert(vals, tostring((compiler.compile1(ast[i], scope, parent, {nval = 1}))[1]))
    end
    for i = 1, (#arglist - 1) do
      table.insert(comparisons, string.format("(%s %s %s)", arglist[i], op, arglist[(i + 1)]))
    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, lua_op, chain_op)
  local function define_comparator_special(name, _3flua_op, _3fchain_op)
    do
      local op = (lua_op or name)
      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, chain_op, ast, scope, parent)
          return double_eval_protected_comparator(op, _3fchain_op, ast, scope, parent)
        end
      end
      SPECIALS[name] = opfn


@@ 1782,11 1832,11 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  define_comparator_special("<=")
  define_comparator_special("=", "==")
  define_comparator_special("not=", "~=", "or")
  local function define_unary_special(op, realop)
  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 ((realop or op) .. tostring(tail[1]))
      return ((_3frealop or op) .. tostring(tail[1]))
    end
    SPECIALS[op] = opfn
    return nil


@@ 1797,250 1847,338 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  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.")
  SPECIALS["~="] = SPECIALS["not="]
  do end (SPECIALS)["~="] = SPECIALS["not="]
  SPECIALS["#"] = SPECIALS.length
  SPECIALS.quote = function(ast, scope, parent)
    compiler.assert((#ast == 2), "expected one argument")
    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 already_warned_3f = {_G = true}
  local compile_env_warning = table.concat({"WARNING: Attempting to %s %s in compile scope.", "In future versions of Fennel this will not be allowed without the", "--no-compiler-sandbox flag or passing a :compilerEnv globals table", "in the options.\n"}, "\n")
  local function compiler_env_warn(_, key)
    local v = _G[key]
    if (v and io and io.stderr and not already_warned_3f[key]) then
      already_warned_3f[key] = true
      do end (io.stderr):write(compile_env_warning:format("use global", key))
    end
    return v
  end
  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(strict_3f)
    local _1_
    if strict_3f then
      _1_ = nil
    else
      _1_ = compiler_env_warn
  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 setmetatable({assert = assert, bit = rawget(_G, "bit"), error = error, getmetatable = safe_getmetatable, ipairs = ipairs, math = utils.copy(math), next = next, pairs = pairs, pcall = pcall, print = print, rawequal = rawequal, rawget = rawget, rawlen = rawget(_G, "rawlen"), rawset = rawset, require = safe_require, select = select, setmetatable = setmetatable, string = utils.copy(string), table = utils.copy(table), tonumber = tonumber, tostring = tostring, type = type, xpcall = xpcall}, {__index = _1_})
    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 _1_ = getmetatable(env)
    local __index = _1_["__index"]
    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, strict_3f)
    local provided = nil
  local function make_compiler_env(ast, scope, parent, _3fopts)
    local provided
    do
      local _1_0 = utils.root.options
      if ((type(_1_0) == "table") and (_1_0["compiler-env"] == "strict")) then
        provided = safe_compiler_env(true)
      elseif ((type(_1_0) == "table") and (nil ~= _1_0.compilerEnv)) then
        local compilerEnv = _1_0.compilerEnv
      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 ((type(_1_0) == "table") and (nil ~= _1_0["compiler-env"])) then
        local compiler_env = _1_0["compiler-env"]
      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
        local _ = _1_0
        provided = safe_compiler_env(strict_3f)
        provided = nil
      end
    end
    local env = nil
    local function _2_()
    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 _3_(symbol)
    local function _562_(symbol)
      compiler.assert(compiler.scopes.macro, "must call from macro", ast)
      return compiler.scopes.macro.manglings[tostring(symbol)]
    end
    local function _4_(base)
      return utils.sym(compiler.gensym((compiler.scopes.macro or scope), base))
    end
    local function _5_(form)
    local function _563_(form)
      compiler.assert(compiler.scopes.macro, "must call from macro", ast)
      return compiler.macroexpand(form, compiler.scopes.macro)
    end
    env = {["assert-compile"] = compiler.assert, ["get-scope"] = _2_, ["in-scope?"] = _3_, ["list?"] = utils["list?"], ["macro-loaded"] = macro_loaded, ["multi-sym?"] = utils["multi-sym?"], ["sequence?"] = utils["sequence?"], ["sym?"] = utils["sym?"], ["table?"] = utils["table?"], ["varg?"] = utils["varg?"], _AST = ast, _CHUNK = parent, _IS_COMPILER = true, _SCOPE = scope, _SPECIALS = compiler.scopes.global.specials, _VARARG = utils.varg(), gensym = _4_, list = utils.list, macroexpand = _5_, sequence = utils.sequence, sym = utils.sym, unpack = unpack, view = view}
    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 cfg = string.gmatch(package.config, "([^\n]+)")
  local dirsep, pathsep, pathmark = (cfg() or "/"), (cfg() or ";"), (cfg() or "?")
  local pkg_config = {dirsep = dirsep, pathmark = pathmark, pathsep = pathsep}
  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, pathstring)
  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 = ((pathstring or utils["fennel-module"].path) .. pkg_config.pathsep)
    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 _1_0 = (io.open(filename) or io.open(filename2))
      if (nil ~= _1_0) then
        local file = _1_0
      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)
      local _1_0 = fullpath:match(pattern, start)
      if (nil ~= _1_0) then
        local path = _1_0
        return (try_path(path) or find_in_path((start + #path + 1)))
    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(options)
    local function _1_(module_name)
  local function make_searcher(_3foptions)
    local function _578_(module_name)
      local opts = utils.copy(utils.root.options)
      for k, v in pairs((options or {})) do
      for k, v in pairs((_3foptions or {})) do
        opts[k] = v
      end
      opts["module-name"] = module_name
      local _2_0 = search_module(module_name)
      if (nil ~= _2_0) then
        local filename = _2_0
        local function _3_(...)
          return utils["fennel-module"].dofile(filename, opts, ...)
      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 _3_, filename
        return _583_, filename
      elseif ((_579_ == nil) and (nil ~= _580_)) then
        local error = _580_
        return error
      else
        return nil
      end
    end
    return _1_
    return _578_
  end
  local function macro_globals(env, globals)
    local allowed = current_global_names(env)
    for _, k in pairs((globals or {})) do
      table.insert(allowed, k)
    end
    return allowed
  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 _1_0 = search_module(module_name, utils["fennel-module"]["macro-path"])
    if (nil ~= _1_0) then
      local filename = _1_0
      local function _2_(...)
        return utils["fennel-module"].dofile(filename, {env = "_COMPILER"}, ...)
    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 _2_, filename
      return _588_, filename
    else
      return nil
    end
  end
  local function lua_macro_searcher(module_name)
    local _1_0 = search_module(module_name, package.path)
    if (nil ~= _1_0) then
      local filename = _1_0
      local code = nil
    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_0_(ok_0_, ...)
        local function close_handlers_8_auto(ok_9_auto, ...)
          f:close()
          if ok_0_ then
          if ok_9_auto then
            return ...
          else
            return error(..., 0)
          end
        end
        local function _2_()
        local function _602_()
          return assert(f:read("*a"))
        end
        code = close_handlers_0_(xpcall(_2_, (package.loaded.fennel or debug).traceback))
        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 = {lua_macro_searcher, fennel_macro_searcher}
  local macro_searchers = {fennel_macro_searcher, lua_macro_searcher}
  local function search_macro_module(modname, n)
    local _1_0 = macro_searchers[n]
    if (nil ~= _1_0) then
      local f = _1_0
      local _2_0, _3_0 = f(modname)
      if ((nil ~= _2_0) and true) then
        local loader = _2_0
        local _3ffilename = _3_0
    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
      else
        local _ = _2_0
      elseif true then
        local _ = _605_
        return search_macro_module(modname, (n + 1))
      else
        return nil
      end
    else
      return nil
    end
  end
  local function metadata_only_fennel(modname)
  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}
      return {metadata = compiler.metadata, view = view}
    else
      return nil
    end
  end
  local function _1_(modname)
    local function _2_()
  local function _610_(modname)
    local function _611_()
      local loader, filename = search_macro_module(modname, 1)
      compiler.assert(loader, (modname .. " module not found."))
      macro_loaded[modname] = loader(modname, filename)
      do end (macro_loaded)[modname] = loader(modname, filename)
      return macro_loaded[modname]
    end
    return (macro_loaded[modname] or metadata_only_fennel(modname) or _2_())
    return (macro_loaded[modname] or sandbox_fennel_module(modname) or _611_())
  end
  safe_require = _1_
  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)
      scope.macros[k] = v
      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(ast, scope, parent, opts)
    local filename = (ast.filename or ast[2].filename)
  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(ast[2], opts)
    local modexpr = compiler.compile(second, opts)
    local modname_chunk = load_code(modexpr)
    local _2_0, _3_0 = pcall(modname_chunk, module_name, filename)
    if ((_2_0 == true) and (nil ~= _3_0)) then
      local modname = _3_0
      return utils.expr(string.format("%q", modname), "literal")
    else
      local _ = _2_0
      return compiler.compile1(ast[2], scope, parent, {nval = 1})[1]
    end
    return modname_chunk(module_name, filename0)
  end
  SPECIALS["require-macros"] = function(ast, scope, parent, real_ast)
    compiler.assert((#ast == 2), "Expected one module name argument", (real_ast or ast))
    local modexpr = resolve_module_name(ast, scope, parent, {})
    local _ = compiler.assert((modexpr.type == "literal"), "module name must compile to string", (real_ast or ast))
    local modname = load_code(("return " .. modexpr[1]))()
  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 env = make_compiler_env(ast, scope, parent)
      local loader, filename = search_macro_module(modname, 1)
      compiler.assert(loader, (modname .. " module not found."), ast)
      macro_loaded[modname] = loader(modname, filename)
      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
    return add_macros(macro_loaded[modname], ast, scope, parent)
  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)


@@ 2048,12 2186,13 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    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 = nil
      local subopts
      if (i == #forms) then
        subopts = {tail = true}
      else


@@ 2066,21 2205,21 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
  end
  local function include_path(ast, opts, path, mod, fennel_3f)
    utils.root.scope.includes[mod] = "fnl/loading"
    local src = nil
    local src
    do
      local f = assert(io.open(path))
      local function close_handlers_0_(ok_0_, ...)
      local function close_handlers_8_auto(ok_9_auto, ...)
        f:close()
        if ok_0_ then
        if ok_9_auto then
          return ...
        else
          return error(..., 0)
        end
      end
      local function _2_()
        return f:read("*all"):gsub("[\13\n]*$", "")
      local function _619_()
        return assert(f:read("*all")):gsub("[\13\n]*$", "")
      end
      src = close_handlers_0_(xpcall(_2_, (package.loaded.fennel or debug).traceback))
      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)


@@ 2089,8 2228,8 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    compiler.emit(temp_chunk, preload_str, ast)
    compiler.emit(temp_chunk, sub_chunk)
    compiler.emit(temp_chunk, "end", ast)
    for i, v in ipairs(temp_chunk) do
      table.insert(utils.root.chunk, i, v)
    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)


@@ 2104,11 2243,25 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    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 = resolve_module_name(ast, scope, parent, opts)
    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)


@@ 2118,17 2271,17 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    else
      local mod = load_code(("return " .. modexpr[1]))()
      local oldmod = utils.root.options["module-name"]
      local _ = nil
      local _
      utils.root.options["module-name"] = mod
      _ = nil
      local res = nil
      local function _3_()
        local _2_0 = search_module(mod)
        if (nil ~= _2_0) then
          local fennel_path = _2_0
      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)
        else
          local _0 = _2_0
        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)


@@ 2137,9 2290,11 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
          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 utils.expr("nil --[[SKIPPED INCLUDE]]--", "literal")) or include_circular_fallback(mod, modexpr, opts.fallback, ast) or utils.root.scope.includes[mod] or _3_())
      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


@@ 2149,11 2304,11 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    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 = macro_globals(env, current_global_names())
    return load_code(compiler.compile(ast, opts), wrap_env(env))(opts["module-name"], ast.filename)
    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), "Expected one table argument", ast)
    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.")


@@ 2161,11 2316,11 @@ package.preload["fennel.specials"] = package.preload["fennel.specials"] or funct
    local old_first = ast[1]
    ast[1] = utils.sym("do")
    local val = eval_compiler_2a(ast, scope, parent)
    ast[1] = old_first
    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 {["current-global-names"] = current_global_names, ["load-code"] = load_code, ["macro-loaded"] = macro_loaded, ["macro-searchers"] = macro_searchers, ["make-compiler-env"] = make_compiler_env, ["make-searcher"] = make_searcher, ["search-module"] = search_module, ["wrap-env"] = wrap_env, doc = doc_2a}
  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")


@@ 2173,18 2328,18 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
  local friend = require("fennel.friend")
  local unpack = (table.unpack or _G.unpack)
  local scopes = {}
  local function make_scope(parent)
    local parent0 = (parent or scopes.global)
    local _0_
    if parent0 then
      _0_ = ((parent0.depth or 0) + 1)
  local function make_scope(_3fparent)
    local parent = (_3fparent or scopes.global)
    local _268_
    if parent then
      _268_ = ((parent.depth or 0) + 1)
    else
      _0_ = 0
      _268_ = 0
    end
    return {autogensyms = setmetatable({}, {__index = (parent0 and parent0.autogensyms)}), depth = _0_, gensyms = setmetatable({}, {__index = (parent0 and parent0.gensyms)}), hashfn = (parent0 and parent0.hashfn), includes = setmetatable({}, {__index = (parent0 and parent0.includes)}), macros = setmetatable({}, {__index = (parent0 and parent0.macros)}), manglings = setmetatable({}, {__index = (parent0 and parent0.manglings)}), parent = parent0, refedglobals = setmetatable({}, {__index = (parent0 and parent0.refedglobals)}), specials = setmetatable({}, {__index = (parent0 and parent0.specials)}), symmeta = setmetatable({}, {__index = (parent0 and parent0.symmeta)}), unmanglings = setmetatable({}, {__index = (parent0 and parent0.unmanglings)}), vararg = (parent0 and parent0.vararg)}
    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 = nil
    local ast_tbl
    if ("table" == type(ast)) then
      ast_tbl = ast
    else


@@ 2193,20 2348,32 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    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: Compile error in '%s': %s", filename, line, target, msg)
    return string.format("%s:%s:%s Compile error in '%s': %s", filename, line, col, target, msg)
  end
  local function assert_compile(condition, msg, ast)
  local function assert_compile(condition, msg, ast, _3ffallback_ast)
    if not condition then
      local _0_ = (utils.root.options or {})
      local source = _0_["source"]
      local unfriendly = _0_["unfriendly"]
      utils.root.reset()
      if (unfriendly or not friend or not _G.io or not _G.io.read) then
        error(assert_msg(ast, msg), 0)
      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
        friend["assert-compile"](condition, msg, ast, source)
      end
    else
    end
    return condition
  end


@@ 2214,36 2381,38 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
  scopes.global.vararg = true
  scopes.compiler = make_scope(scopes.global)
  scopes.macro = scopes.global
  local serialize_subst = {["\11"] = "\\v", ["\12"] = "\\f", ["\7"] = "\\a", ["\8"] = "\\b", ["\9"] = "\\t", ["\n"] = "n"}
  local serialize_subst = {["\7"] = "\\a", ["\8"] = "\\b", ["\9"] = "\\t", ["\n"] = "n", ["\11"] = "\\v", ["\12"] = "\\f"}
  local function serialize_string(str)
    local function _0_(_241)
    local function _276_(_241)
      return ("\\" .. _241:byte())
    end
    return string.gsub(string.gsub(string.format("%q", str), ".", serialize_subst), "[\128-\255]", _0_)
    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 _0_(_241)
      local function _277_(_241)
        return string.format("_%02x", _241:byte())
      end
      return ("__fnl_global__" .. str:gsub("[^%w]", _0_))
      return ("__fnl_global__" .. str:gsub("[^%w]", _277_))
    end
  end
  local function global_unmangling(identifier)
    local _0_0 = string.match(identifier, "^__fnl_global__(.*)$")
    if (nil ~= _0_0) then
      local rest = _0_0
      local _1_0 = nil
      local function _2_(_241)
    local _279_ = string.match(identifier, "^__fnl_global__(.*)$")
    if (nil ~= _279_) then
      local rest = _279_
      local _280_
      local function _281_(_241)
        return string.char(tonumber(_241:sub(2), 16))
      end
      _1_0 = string.gsub(rest, "_[%da-f][%da-f]", _2_)
      return _1_0
    else
      local _ = _0_0
      _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


@@ 2257,31 2426,31 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      return mangling
    end
  end
  local function local_mangling(str, scope, ast, temp_manglings)
  local function local_mangling(str, scope, ast, _3ftemp_manglings)
    assert_compile(not utils["multi-sym?"](str), ("unexpected multi symbol " .. str), ast)
    local raw = nil
    if (utils["lua-keywords"][str] or str:match("^%d")) then
    local raw
    if ((utils["lua-keywords"])[str] or str:match("^%d")) then
      raw = ("_" .. str)
    else
      raw = str
    end
    local mangling = nil
    local function _1_(_241)
    local mangling
    local function _285_(_241)
      return string.format("_%02x", _241:byte())
    end
    mangling = string.gsub(string.gsub(raw, "-", "_"), "[^%w_]", _1_)
    mangling = string.gsub(string.gsub(raw, "-", "_"), "[^%w_]", _285_)
    local unique = unique_mangling(mangling, mangling, scope, 0)
    scope.unmanglings[unique] = str
    do end (scope.unmanglings)[unique] = str
    do
      local manglings = (temp_manglings or scope.manglings)
      manglings[str] = unique
      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)
      scope.manglings[raw] = mangled
      do end (scope.manglings)[raw] = mangled
    end
    return nil
  end


@@ 2304,47 2473,62 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    utils.root.scope["gensym-append"] = ((utils.root.scope["gensym-append"] or 0) + 1)
    return ("_" .. utils.root.scope["gensym-append"] .. "_")
  end
  local function gensym(scope, base, _3fsuffix)
    local mangling = ((base or "") .. next_append() .. (_3fsuffix or ""))
  local function gensym(scope, _3fbase, _3fsuffix)
    local mangling = ((_3fbase or "") .. next_append() .. (_3fsuffix or ""))
    while scope.unmanglings[mangling] do
      mangling = ((base or "") .. next_append() .. (_3fsuffix or ""))
      mangling = ((_3fbase or "") .. next_append() .. (_3fsuffix or ""))
    end
    scope.unmanglings[mangling] = (base or true)
    scope.gensyms[mangling] = true
    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 _0_0 = utils["multi-sym?"](base)
    if (nil ~= _0_0) then
      local parts = _0_0
      parts[1] = autogensym(parts[1], scope)
      return table.concat(parts, ((parts["multi-sym-method-call"] and ":") or "."))
    else
      local _ = _0_0
      local function _1_()
    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")
        scope.autogensyms[base] = mangling
        do end (scope.autogensyms)[base] = mangling
        return mangling
      end
      return (scope.autogensyms[base] or _1_())
      return (scope.autogensyms[base] or _289_())
    else
      return nil
    end
  end
  local already_warned = {}
  local function check_binding_valid(symbol, scope, ast)
    local name = utils.deref(symbol)
    if (io and io.stderr and name:find("&") and not already_warned[symbol]) then
      already_warned[symbol] = true
      do end (io.stderr):write(("-- Warning: & will not be allowed in identifier names in " .. "future versions: " .. (symbol.filename or "unknown") .. ":" .. (symbol.line or "?") .. "\n"))
  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 (scope.specials[name] or scope.macros[name]), ("local %s was overshadowed by a special form or macro"):format(name), ast)
    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, temp_manglings)
  local function declare_local(symbol, meta, scope, ast, _3ftemp_manglings)
    check_binding_valid(symbol, scope, ast)
    local name = utils.deref(symbol)
    local name = tostring(symbol)
    assert_compile(not utils["multi-sym?"](name), ("unexpected multi symbol " .. name), ast)
    scope.symmeta[name] = meta
    return local_mangling(name, scope, ast, temp_manglings)
    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


@@ 2354,39 2538,45 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    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, reference_3f)
    utils.hook("symbol-to-expression", symbol, scope, reference_3f)
  local function symbol_to_expression(symbol, scope, _3freference_3f)
    utils.hook("symbol-to-expression", symbol, scope, _3freference_3f)
    local name = symbol[1]
    local multi_sym_parts = utils["multi-sym?"](name)
    local name0 = (hashfn_arg_name(name, multi_sym_parts, scope) or name)
    local parts = (multi_sym_parts or {name0})
    local etype = (((#parts > 1) and "expression") or "sym")
    local 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 at runtime", symbol)
    assert_compile((not reference_3f or local_3f or ("_ENV" == parts[1]) or global_allowed_3f(parts[1])), ("unknown global in strict mode: " .. tostring(parts[1])), symbol)
    if (allowed_globals and not local_3f) then
      utils.root.scope.refedglobals[parts[1]] = true
    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, ast)
  local function emit(chunk, out, _3fast)
    if (type(out) == "table") then
      return table.insert(chunk, out)
    else
      return table.insert(chunk, {ast = ast, leaf = out})
      return table.insert(chunk, {ast = _3fast, leaf = out})
    end
  end
  local function peephole(chunk)
    if chunk.leaf then
      return chunk
    elseif ((#chunk >= 3) and (chunk[(#chunk - 2)].leaf == "do") and not chunk[(#chunk - 1)].leaf and (chunk[#chunk].leaf == "end")) then
    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


@@ 2400,10 2590,6 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      return utils.map(chunk, peephole)
    end
  end
  local function ast_source(ast)
    local m = getmetatable(ast)
    return ((m and m.line and m) or (("table" == type(ast)) and ast) or {})
  end
  local function flatten_chunk_correlated(main_chunk, options)
    local function flatten(chunk, out, last_line, file)
      local last_line0 = last_line


@@ 2411,12 2597,14 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
        out[last_line0] = ((out[last_line0] or "") .. " " .. chunk.leaf)
      else
        for _, subchunk in ipairs(chunk) do
          if (subchunk.leaf or (#subchunk > 0)) then
            local source = ast_source(subchunk.ast)
          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


@@ 2427,48 2615,50 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    for i = 1, last do
      if (out[i] == nil) then
        out[i] = ""
      else
      end
    end
    return table.concat(out, "\n")
  end
  local function flatten_chunk(sm, chunk, tab, depth)
  local function flatten_chunk(file_sourcemap, chunk, tab, depth)
    if chunk.leaf then
      local code = chunk.leaf
      local info = chunk.ast
      if sm then
        table.insert(sm, {(info and info.filename), (info and info.line)})
      end
      return code
      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 = nil
      local tab0
      do
        local _0_0 = tab
        if (_0_0 == true) then
        local _304_ = tab
        if (_304_ == true) then
          tab0 = "  "
        elseif (_0_0 == false) then
        elseif (_304_ == false) then
          tab0 = ""
        elseif (_0_0 == tab) then
        elseif (_304_ == tab) then
          tab0 = tab
        elseif (_0_0 == nil) then
        elseif (_304_ == nil) then
          tab0 = ""
        else
        tab0 = nil
          tab0 = nil
        end
      end
      local function parter(c)
        if (c.leaf or (#c > 0)) then
          local sub = flatten_chunk(sm, c, tab0, (depth + 1))
          if (depth > 0) then
        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 fennel_sourcemap = {}
  local sourcemap = {}
  local function make_short_src(source)
    local source0 = source:gsub("\n", " ")
    if (#source0 <= 49) then


@@ 2482,36 2672,37 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    if options.correlate then
      return flatten_chunk_correlated(chunk0, options), {}
    else
      local sm = {}
      local ret = flatten_chunk(sm, chunk0, options.indent, 0)
      if sm then
        sm.short_src = (options.filename or make_short_src((options.source or ret)))
        if options.filename then
          sm.key = ("@" .. options.filename)
        else
          sm.key = ret
        end
        fennel_sourcemap[sm.key] = sm
      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
      return ret, sm
      sourcemap[file_sourcemap.key] = file_sourcemap
      return src, file_sourcemap
    end
  end
  local function make_metadata()
    local function _0_(self, tgt, key)
    local function _312_(self, tgt, key)
      if self[tgt] then
        return self[tgt][key]
      else
        return nil
      end
    end
    local function _1_(self, tgt, key, value)
    local function _314_(self, tgt, key, value)
      self[tgt] = (self[tgt] or {})
      self[tgt][key] = value
      do end (self[tgt])[key] = value
      return tgt
    end
    local function _2_(self, tgt, ...)
    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


@@ 2519,10 2710,10 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      end
      return tgt
    end
    return setmetatable({}, {__index = {get = _0_, set = _1_, setall = _2_}, __mode = "k"})
    return setmetatable({}, {__index = {get = _312_, set = _314_, setall = _315_}, __mode = "k"})
  end
  local function exprs1(exprs)
    return table.concat(utils.map(exprs, 1), ", ")
    return table.concat(utils.map(exprs, tostring), ", ")
  end
  local function keep_side_effects(exprs, chunk, start, ast)
    local start0 = (start or 1)


@@ 2532,13 2723,14 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
        emit(chunk, string.format("do local _ = %s end", tostring(se)), ast)
      elseif (se.type == "statement") then
        local code = tostring(se)
        local disambiguated = nil
        local disambiguated
        if (code:byte() == 40) then
          disambiguated = ("do end " .. code)
        else
          disambiguated = code
        end
        emit(chunk, disambiguated, ast)
      else
      end
    end
    return nil


@@ 2548,7 2740,7 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      local n = opts.nval
      local len = #exprs
      if (n ~= len) then
        if (len > n) then
        if (n < len) then
          keep_side_effects(exprs, parent, (n + 1), ast)
          for i = (n + 1), len do
            exprs[i] = nil


@@ 2558,88 2750,160 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
            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 _2_()
      local function _323_()
        if (result == "") then
          return "nil"
        else
          return result
        end
      end
      emit(parent, string.format("%s = %s", opts.target, _2_()), ast)
      emit(parent, string.format("%s = %s", opts.target, _323_()), ast)
    else
    end
    if (opts.tail or opts.target) then
      return {returned = true}
    else
      local _3_0 = exprs
      _3_0["returned"] = true
      return _3_0
      local _325_ = exprs
      _325_["returned"] = true
      return _325_
    end
  end
  local function find_macro(ast, scope, multi_sym_parts)
    local function find_in_table(t, i)
      if (i <= #multi_sym_parts) then
        return find_in_table((utils["table?"](t) and t[multi_sym_parts[i]]), (i + 1))
  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
        return t
        macro_2a = _327_
      end
    end
    local macro_2a = (utils["sym?"](ast[1]) and scope.macros[utils.deref(ast[1])])
    local multi_sym_parts = utils["multi-sym?"](ast[1])
    if (not macro_2a and multi_sym_parts) then
      local nested_macro = find_in_table(scope.macros, 1)
      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 macroexpand_2a(ast, scope, once)
    local _0_0 = nil
  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
      _0_0 = find_macro(ast, scope, utils["multi-sym?"](ast[1]))
      _339_ = find_macro(ast, scope)
    else
    _0_0 = nil
      _339_ = nil
    end
    if (_0_0 == false) then
    if (_339_ == false) then
      return ast
    elseif (nil ~= _0_0) then
      local macro_2a = _0_0
    elseif (nil ~= _339_) then
      local macro_2a = _339_
      local old_scope = scopes.macro
      local _ = nil
      local _
      scopes.macro = scope
      _ = nil
      local ok, transformed = nil, nil
      local function _2_()
      local function _341_()
        return macro_2a(unpack(ast, 2))
      end
      ok, transformed = xpcall(_2_, debug.traceback)
      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 (once or not transformed) then
      if (_3fonce or not transformed) then
        return transformed
      else
        return macroexpand_2a(transformed, scope)
      end
    else
      local _ = _0_0
    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 = nil
    if (type(exprs) == "string") then
    local exprs0
    if ("table" ~= type(exprs)) then
      exprs0 = utils.expr(exprs, "expression")
    else
      exprs0 = exprs
    end
    local exprs2 = nil
    local exprs2
    if utils["expr?"](exprs0) then
      exprs2 = {exprs0}
    else


@@ 2655,18 2919,18 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
  end
  local function compile_function_call(ast, scope, parent, opts, compile1, len)
    local fargs = {}
    local fcallee = compile1(ast[1], scope, parent, {nval = 1})[1]
    assert_compile((("string" == type(ast[1])) or (fcallee.type ~= "literal")), ("cannot call literal value " .. tostring(ast[1])), ast)
    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 = nil
      local _0_
      local subexprs
      local _351_
      if (i ~= len) then
        _0_ = 1
        _351_ = 1
      else
      _0_ = nil
        _351_ = nil
      end
      subexprs = compile1(ast[i], scope, parent, {nval = _0_})
      table.insert(fargs, (subexprs[1] or utils.expr("nil", "literal")))
      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])


@@ 2675,7 2939,7 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
        keep_side_effects(subexprs, parent, 2, ast[i])
      end
    end
    local pat = nil
    local pat
    if ("string" == type(ast[1])) then
      pat = "(%s)(%s)"
    else


@@ 2689,27 2953,33 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    local len = #ast
    local first = ast[1]
    local multi_sym_parts = utils["multi-sym?"](first)
    local special = (utils["sym?"](first) and scope.specials[utils.deref(first)])
    assert_compile((len > 0), "expected a function, macro, or special to call", ast)
    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(":", nil, scope), utils.sym(table_with_method, nil, scope), method_to_call, select(2, unpack(ast)))
      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)
    assert_compile(scope.vararg, "unexpected vararg", ast)
    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 = nil
    local e
    if (ast[1] == "nil") then
      e = utils.expr("nil", "literal")
    else


@@ 2718,94 2988,105 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    return handle_compile_opts({e}, parent, opts, ast)
  end
  local function serialize_number(n)
    local _0_0 = string.gsub(tostring(n), ",", ".")
    return _0_0
    local _359_ = string.gsub(tostring(n), ",", ".")
    return _359_
  end
  local function compile_scalar(ast, _scope, parent, opts)
    local serialize = nil
    local serialize
    do
      local _0_0 = type(ast)
      if (_0_0 == "nil") then
      local _360_ = type(ast)
      if (_360_ == "nil") then
        serialize = tostring
      elseif (_0_0 == "boolean") then
      elseif (_360_ == "boolean") then
        serialize = tostring
      elseif (_0_0 == "string") then
      elseif (_360_ == "string") then
        serialize = serialize_string
      elseif (_0_0 == "number") then
      elseif (_360_ == "number") then
        serialize = serialize_number
      else
      serialize = nil
        serialize = nil
      end
    end
    return handle_compile_opts({utils.expr(serialize(ast), "literal")}, parent, opts)
  end
  local function compile_table(ast, scope, parent, opts, compile1)
    local buffer = {}
    for i = 1, #ast do
      local nval = ((i ~= #ast) and 1)
      table.insert(buffer, exprs1(compile1(ast[i], scope, parent, {nval = nval})))
    end
    local function write_other_values(k)
      if ((type(k) ~= "number") or (math.floor(k) ~= k) or (k < 1) or (k > #ast)) then
        if ((type(k) == "string") and utils["valid-lua-identifier?"](k)) then
          return {k, k}
    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
          local _0_ = compile1(k, scope, parent, {nval = 1})
          local compiled = _0_[1]
          local kstr = ("[" .. tostring(compiled) .. "]")
          return {kstr, k}
        end
      end
      buffer = tbl_16_auto
    end
    do
      local keys = nil
      do
        local _0_0 = utils.kvmap(ast, write_other_values)
        local function _1_(a, b)
          return (a[1] < b[1])
      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
        table.sort(_0_0, _1_)
        keys = _0_0
      end
      local function _1_(_2_0)
        local _3_ = _2_0
        local k1 = _3_[1]
        local k2 = _3_[2]
        local _4_ = compile1(ast[k2], scope, parent, {nval = 1})
        local v = _4_[1]
        return string.format("%s = %s", k1, tostring(v))
      end
      utils.map(keys, _1_, buffer)
    end
    return handle_compile_opts({utils.expr(("{" .. table.concat(buffer, ", ") .. "}"), "expression")}, parent, opts, ast)
  end
  local function compile1(ast, scope, parent, opts)
    local opts0 = (opts or {})
  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, opts0, compile1)
      return compile_call(ast0, scope, parent, opts, compile1)
    elseif utils["varg?"](ast0) then
      return compile_varg(ast0, scope, parent, opts0)
      return compile_varg(ast0, scope, parent, opts)
    elseif utils["sym?"](ast0) then
      return compile_sym(ast0, scope, parent, opts0)
      return compile_sym(ast0, scope, parent, opts)
    elseif (type(ast0) == "table") then
      return compile_table(ast0, scope, parent, opts0, compile1)
      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, opts0)
      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 _0_ = opts0
    local declaration = _0_["declaration"]
    local forceglobal = _0_["forceglobal"]
    local forceset = _0_["forceset"]
    local isvar = _0_["isvar"]
    local symtype = _0_["symtype"]
    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 = nil
    local setter
    if declaration then
      setter = "local %s = %s"
    else


@@ 2820,40 3101,46 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      else
        local parts = (utils["multi-sym?"](raw) or {raw})
        local meta = scope.symmeta[parts[1]]
        assert_compile(not raw:find(":"), "cannot set method sym", symbol)
        if ((#parts == 1) and not forceset) then
          assert_compile(not (forceglobal and meta), string.format("global %s conflicts with local", tostring(symbol)), symbol)
          assert_compile(not (meta and not meta.var), ("expected var " .. raw), symbol)
          assert_compile((meta or not opts0.noundef), ("expected local " .. parts[1]), symbol)
        else
        end
        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)
          scope.manglings[raw] = global_mangling(raw)
          scope.unmanglings[global_mangling(raw)] = raw
          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 = nil
      local function _2_(_241)
      local inits
      local function _375_(_241)
        if scope.manglings[_241] then
          return _241
        else
          return "nil"
        end
      end
      inits = utils.map(lvalues, _2_)
      inits = utils.map(lvalues, _375_)
      local init = table.concat(inits, ", ")
      local lvalue = table.concat(lvalues, ", ")
      local plen, plast = #parent, parent[#parent]
      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


@@ 2863,6 3150,7 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
        else
          table.insert(parent, (plen + 1), {ast = ast, leaf = ("local " .. lvalue .. " = " .. init)})
        end
      else
      end
      return ret
    end


@@ 2875,54 3163,88 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
        emit(parent, setter:format(lname, exprs1(rightexprs)), left)
      end
      if declaration then
        scope.symmeta[utils.deref(left)] = {var = isvar}
        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 = nil
      local right
      do
        local _2_0 = nil
        local _384_
        if top_3f then
          _2_0 = exprs1(compile1(from, scope, parent))
          _384_ = exprs1(compile1(from, scope, parent))
        else
          _2_0 = exprs1(rightexprs)
          _384_ = exprs1(rightexprs)
        end
        if (_2_0 == "") then
        if (_384_ == "") then
          right = "nil"
        elseif (nil ~= _2_0) then
          local right0 = _2_0
        elseif (nil ~= _384_) then
          local right0 = _384_
          right = right0
        else
        right = nil
          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?"](v) and (utils.deref(v) == "&")) then
            local unpack_str = "{(table.unpack or unpack)(%s, %s)}"
            local formatted = string.format(unpack_str, s, k)
            local subexpr = utils.expr(formatted, "expression")
            assert_compile((utils["sequence?"](left) and (nil == left[(k + 2)])), "expected rest argument before last parameter", left)
            destructure1(left[(k + 1)], {subexpr}, left)
          elseif (utils["sym?"](k) and (utils.deref(k) == "&as")) 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 (utils.deref(v) == "&as")) then
          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 = nil
            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


@@ 2935,17 3257,20 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
        else
          local symname = gensym(scope, symtype0)
          table.insert(left_names, symname)
          tables[i] = {name, utils.expr(symname, "sym")}
          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[utils.deref(sym)] = {var = isvar}
            scope.symmeta[tostring(sym)] = {var = isvar}
          else
          end
        end
      else
      end
      for _, pair in utils.stablepairs(tables) do
        destructure1(pair[1], {pair[2]}, left)


@@ 2960,19 3285,25 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      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))
        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)
    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)
    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)


@@ 2983,14 3314,15 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    local scope = (opts.scope or make_scope(scopes.global))
    local vals = {}
    local chunk = {}
    local _0_ = utils.root
    _0_["set-reset"](_0_)
    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


@@ 2999,31 3331,38 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    for i = 1, #vals do
      local exprs = compile1(vals[i], scope, chunk, {nval = (((i < #vals) and 0) or nil), tail = (i == #vals)})
      keep_side_effects(exprs, chunk, nil, vals[i])
      if (i == #vals) then
        utils.hook("chunk", vals[i], scope)
      else
      end
    end
    allowed_globals = old_globals
    utils.root.reset()
    return flatten(chunk, opts)
  end
  local function compile_string(str, opts)
    return compile_stream(parser["string-stream"](str), (opts or {}))
  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))
    local _0_ = utils.root
    _0_["set-reset"](_0_)
    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)


@@ 3034,24 3373,25 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    elseif (info.what == "C") then
      return "  [C]: in ?"
    else
      local remap = fennel_sourcemap[info.source]
      local remap = sourcemap[info.source]
      if (remap and remap[info.currentline]) then
        if remap[info.currentline][1] then
          info.short_src = fennel_sourcemap[("@" .. remap[info.currentline][1])].short_src
        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 _1_()
        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, _1_())
        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


@@ 3059,28 3399,29 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      end
    end
  end
  local function traceback(msg, start)
    local msg0 = tostring((msg or ""))
    if ((msg0:find("^Compile error") or msg0:find("^Parse error")) and not utils["debug-on?"]("trace")) then
      return msg0
  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 (msg0:find("^Compile error") or msg0:find("^Parse error")) then
        table.insert(lines, msg0)
      if (msg:find("^%g+:%d+:%d+ Compile error:") or msg:find("^%g+:%d+:%d+ Parse error:")) then
        table.insert(lines, msg)
      else
        local newmsg = msg0:gsub("^[^:]*:%d+:%s+", "runtime error: ")
        local newmsg = msg:gsub("^[^:]*:%d+:%s+", "runtime error: ")
        table.insert(lines, newmsg)
      end
      table.insert(lines, "stack traceback:")
      local done_3f, level = false, (start or 2)
      local done_3f, level = false, (_3fstart or 2)
      while not done_3f do
        do
          local _1_0 = debug.getinfo(level, "Sln")
          if (_1_0 == nil) then
          local _408_ = debug.getinfo(level, "Sln")
          if (_408_ == nil) then
            done_3f = true
          elseif (nil ~= _1_0) then
            local info = _1_0
          elseif (nil ~= _408_) then
            local info = _408_
            table.insert(lines, traceback_frame(info))
          else
          end
        end
        level = (level + 1)


@@ 3089,14 3430,14 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    end
  end
  local function entry_transform(fk, fv)
    local function _0_(k, v)
    local function _411_(k, v)
      if (type(k) == "number") then
        return k, fv(v)
      else
        return fk(k), fv(v)
      end
    end
    return _0_
    return _411_
  end
  local function mixed_concat(t, joiner)
    local seen = {}


@@ 3110,6 3451,7 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      if not seen[k] then
        ret = (ret .. s .. "[" .. k .. "]" .. "=" .. v)
        s = joiner
      else
      end
    end
    return ret


@@ 3122,30 3464,30 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
      assert_compile(not runtime_3f, "quoted ... may only be used at compile time", form)
      return "_VARARG"
    elseif utils["sym?"](form) then
      local filename = nil
      local filename
      if form.filename then
        filename = string.format("%q", form.filename)
      else
        filename = "nil"
      end
      local symstr = utils.deref(form)
      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 (utils.deref(form[1]) == "unquote")) then
    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 = nil
      local function _0_()
      local mapped
      local function _416_()
        return nil
      end
      mapped = utils.kvmap(form, entry_transform(_0_, q))
      local filename = nil
      mapped = utils.kvmap(form, entry_transform(_416_, q))
      local filename
      if form.filename then
        filename = string.format("%q", form.filename)
      else


@@ 3156,135 3498,160 @@ package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or funct
    elseif utils["sequence?"](form) then
      local mapped = utils.kvmap(form, entry_transform(q, q))
      local source = getmetatable(form)
      local filename = nil
      local filename
      if source.filename then
        filename = string.format("%q", source.filename)
      else
        filename = "nil"
      end
      local _1_
      local _419_
      if source then
        _1_ = source.line
        _419_ = source.line
      else
        _1_ = "nil"
        _419_ = "nil"
      end
      return string.format("setmetatable({%s}, {filename=%s, line=%s, sequence=%s})", mixed_concat(mapped, ", "), filename, _1_, "(getmetatable(sequence()))['sequence']")
      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 = nil
      local filename
      if source.filename then
        filename = string.format("%q", source.filename)
      else
        filename = "nil"
      end
      local function _1_()
      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, _1_())
      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 {["apply-manglings"] = apply_manglings, ["compile-stream"] = compile_stream, ["compile-string"] = compile_string, ["declare-local"] = declare_local, ["do-quote"] = do_quote, ["global-mangling"] = global_mangling, ["global-unmangling"] = global_unmangling, ["keep-side-effects"] = keep_side_effects, ["make-scope"] = make_scope, ["require-include"] = require_include, ["symbol-to-expression"] = symbol_to_expression, assert = assert_compile, autogensym = autogensym, compile = compile, compile1 = compile1, destructure = destructure, emit = emit, gensym = gensym, macroexpand = macroexpand_2a, metadata = make_metadata(), scopes = scopes, traceback = traceback}
  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 function ast_source(ast)
    local m = getmetatable(ast)
    return ((m and m.line and m) or (("table" == type(ast)) and ast) or {})
  end
  local suggestions = {["$ and $... in hashfn are mutually exclusive"] = {"modifying the hashfn so it only contains $... or $, $1, $2, $3, etc"}, ["can't start multisym segment with a digit"] = {"removing the digit", "adding a non-digit before the digit"}, ["cannot call literal value"] = {"checking for typos", "checking for a missing function name"}, ["could not compile value of type "] = {"debugging the macro you're calling to return a list or table"}, ["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"}, ["expected a function.* to call"] = {"removing the empty parentheses", "using square brackets if you want an empty table"}, ["expected binding and iterator"] = {"making sure you haven't omitted a local name or iterator"}, ["expected binding table"] = {"placing a table here in square brackets containing identifiers to bind"}, ["expected body expression"] = {"putting some code in the body of this form after the bindings"}, ["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"}, ["expected even number of name/value bindings"] = {"finding where the identifier or value is missing"}, ["expected even number of pattern/body pairs"] = {"checking that every pattern has a body to go with it", "adding _ before the final body"}, ["expected even number of values in table literal"] = {"removing a key", "adding a value"}, ["expected local"] = {"looking for a typo", "looking for a local which is used out of its scope"}, ["expected macros to be table"] = {"ensuring your macro definitions return a table"}, ["expected parameters"] = {"adding function parameters as a list of identifiers in brackets"}, ["expected rest argument before last parameter"] = {"moving & to right before the final identifier when destructuring"}, ["expected symbol for function parameter: (.*)"] = {"changing %s to an identifier instead of a literal value"}, ["expected var (.*)"] = {"declaring %s using var instead of let/local", "introducing a new local instead of changing the value of %s"}, ["expected vararg as last parameter"] = {"moving the \"...\" to the end of the parameter list"}, ["expected whitespace before opening delimiter"] = {"adding whitespace"}, ["global (.*) conflicts with local"] = {"renaming local %s"}, ["illegal character: (.)"] = {"deleting or replacing %s", "avoiding reserved characters like \", \\, ', ~, ;, @, `, and comma"}, ["local (.*) was overshadowed by a special form or macro"] = {"renaming local %s"}, ["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"}, ["malformed multisym"] = {"ensuring each period or colon is not followed by another period or colon"}, ["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"}, ["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"}, ["mismatched closing delimiter (.), expected (.)"] = {"replacing %s with %s", "deleting %s", "adding matching opening delimiter earlier"}, ["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"}, ["tried to reference a macro at runtime"] = {"renaming the macro so as not to conflict with locals"}, ["unable to bind (.*)"] = {"replacing the %s with an identifier"}, ["unexpected arguments"] = {"removing an argument", "checking for typos"}, ["unexpected closing delimiter (.)"] = {"deleting %s", "adding matching opening delimiter earlier"}, ["unexpected iterator clause"] = {"removing an argument", "checking for typos"}, ["unexpected multi symbol (.*)"] = {"removing periods or colons from %s"}, ["unexpected vararg"] = {"putting \"...\" at the end of the fn parameters if the vararg was intended"}, ["unknown global in strict mode: (.*)"] = {"looking to see if there's a typo", "using the _G table instead, eg. _G.%s if you really want a global", "moving this code to somewhere that %s is in scope", "binding %s as a local in the scope of this code"}, ["unused local (.*)"] = {"fixing a typo so %s is used", "renaming the local to _%s"}, ["use of global (.*) is aliased by a local"] = {"renaming local %s", "refer to the global using _G.%s instead of directly"}}
  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 suggestion = nil
    local s = nil
    for pat, sug in pairs(suggestions) do
      if s then break end
      local matches = {msg:match(pat)}
      if (0 < #matches) then
        if ("table" == type(sug)) then
          local out = {}
          for _, s in ipairs(sug) do
            table.insert(out, s:format(unpack(matches)))
        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
          suggestion = out
        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
          suggestion = sug(matches)
          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
    return suggestion
  end
  local function read_line_from_file(filename, line)
    local bytes = 0
    local f = assert(io.open(filename))
    local _ = nil
    for _0 = 1, (line - 1) do
      bytes = (bytes + 1 + #f:read())
  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
    _ = nil
    local codeline = f:read()
    f:close()
    return codeline, bytes
  end
  local function read_line_from_string(matcher, target_line, _3fcurrent_line, _3fbytes)
    local this_line, newline = matcher()
    local current_line = (_3fcurrent_line or 1)
    local bytes = ((_3fbytes or 0) + #this_line + #newline)
    if (target_line == current_line) then
      return this_line, bytes
    elseif this_line then
      return read_line_from_string(matcher, target_line, (current_line + 1), bytes)
    end
  end
  local function read_line(filename, line, source)
    if source then
      return read_line_from_string(string.gmatch((source .. "\n"), "(.-)(\13?\n)"), line)
    else
      return read_line_from_file(filename, line)
    end
  end
  local function friendly_msg(msg, _0_0, source)
    local _1_ = _0_0
    local byteend = _1_["byteend"]
    local bytestart = _1_["bytestart"]
    local filename = _1_["filename"]
    local line = _1_["line"]
    local ok, codeline, bol = pcall(read_line, filename, line, source)
    local suggestions0 = suggest(msg)
  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
      table.insert(out, codeline)
    end
    if (ok and codeline and bytestart and byteend) then
      table.insert(out, (string.rep(" ", (bytestart - bol - 1)) .. "^" .. string.rep("^", math.min((byteend - bytestart), ((bol + #codeline) - bytestart)))))
    end
    if (ok and codeline and bytestart and not byteend) then
      table.insert(out, (string.rep("-", (bytestart - bol - 1)) .. "^"))
      table.insert(out, "")
    end
    if suggestions0 then
      for _, suggestion in ipairs(suggestions0) do
        table.insert(out, ("* Try %s."):format(suggestion))
      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)
  local function assert_compile(condition, msg, ast, source, opts)
    if not condition then
      local _1_ = ast_source(ast)
      local filename = _1_["filename"]
      local line = _1_["line"]
      error(friendly_msg(("Compile error in %s:%s\n  %s"):format((filename or "unknown"), (line or "?"), msg), ast_source(ast), source), 0)
      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, bytestart, source)
    return error(friendly_msg(("Parse error in %s:%s\n  %s"):format(filename, line, msg), {bytestart = bytestart, filename = filename, line = line}, source), 0)
  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


@@ 3294,70 3661,85 @@ package.preload["fennel.parser"] = package.preload["fennel.parser"] or function(
  local unpack = (table.unpack or _G.unpack)
  local function granulate(getchunk)
    local c, index, done_3f = "", 1, false
    local function _0_(parser_state)
    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 _1_0, _2_0, _3_0 = getchunk(parser_state)
          local _4_
          do
            local char = _1_0
            _4_ = ((nil ~= _1_0) and (char ~= ""))
          local _199_ = getchunk(parser_state)
          local function _200_()
            local char = _199_
            return (char ~= "")
          end
          if _4_ then
            local char = _1_0
          if ((nil ~= _199_) and _200_()) then
            local char = _199_
            c = char
            index = 2
            return c:byte()
          else
            local _ = _1_0
          elseif true then
            local _ = _199_
            done_3f = true
            return nil
          else
            return nil
          end
        end
      else
        return nil
      end
    end
    local function _1_()
    local function _204_()
      c = ""
      return nil
    end
    return _0_, _1_
    return _198_, _204_
  end
  local function string_stream(str)
  local function string_stream(str, _3foptions)
    local str0 = str:gsub("^#!", ";;")
    if _3foptions then
      _3foptions.source = str0
    else
    end
    local index = 1
    local function _0_()
    local function _206_()
      local r = str0:byte(index)
      index = (index + 1)
      return r
    end
    return _0_
  end
  local delims = {[123] = 125, [125] = true, [40] = 41, [41] = true, [91] = 93, [93] = true}
  local function whitespace_3f(b)
    return ((b == 32) or ((b >= 9) and (b <= 13)))
    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 = nil
    local b0
    if ("number" == type(b)) then
      b0 = b
    else
      b0 = string.byte(b)
    end
    return ((b0 > 32) and not delims[b0] and (b0 ~= 127) and (b0 ~= 34) and (b0 ~= 39) and (b0 ~= 126) and (b0 ~= 59) and (b0 ~= 44) and (b0 ~= 64) and (b0 ~= 96))
    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 parser(getbyte, filename, options)
  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 = 1
    local byteindex = 0
    local lastb = nil
    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