6784 lines
282 KiB
Lua
6784 lines
282 KiB
Lua
-- name = "Fennel interpreter"
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-- type = "search"
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-- description = "Interpreter for the Fennel language (a Lisp dialect) right in the search box!"
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-- author = "Evgeny Zobnin (zobnin@gmail.com)"
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-- version = "1.0"
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-- aio_version = "5.7.5"
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-- SPDX-License-Identifier: MIT
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-- SPDX-FileCopyrightText: Calvin Rose and contributors
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package.preload["fennel.repl"] = package.preload["fennel.repl"] or function(...)
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local _710_ = require("fennel.utils")
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local utils = _710_
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local copy = _710_["copy"]
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local parser = require("fennel.parser")
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local compiler = require("fennel.compiler")
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local specials = require("fennel.specials")
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local view = require("fennel.view")
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local depth = 0
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local function prompt_for(top_3f)
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if top_3f then
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return (string.rep(">", (depth + 1)) .. " ")
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else
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return (string.rep(".", (depth + 1)) .. " ")
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end
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end
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local function default_read_chunk(parser_state)
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io.write(prompt_for((0 == parser_state["stack-size"])))
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io.flush()
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local _712_0 = io.read()
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if (nil ~= _712_0) then
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local input = _712_0
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return (input .. "\n")
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end
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end
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local function default_on_values(xs)
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io.write(table.concat(xs, "\9"))
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return io.write("\n")
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end
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local function default_on_error(errtype, err)
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local function _715_()
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local _714_0 = errtype
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if (_714_0 == "Runtime") then
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return (compiler.traceback(tostring(err), 4) .. "\n")
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else
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local _ = _714_0
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return ("%s error: %s\n"):format(errtype, tostring(err))
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end
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end
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return io.write(_715_())
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end
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local function splice_save_locals(env, lua_source, scope)
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local saves = nil
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do
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local tbl_17_ = {}
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local i_18_ = #tbl_17_
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for name in pairs(env.___replLocals___) do
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local val_19_ = ("local %s = ___replLocals___[%q]"):format((scope.manglings[name] or name), name)
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if (nil ~= val_19_) then
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i_18_ = (i_18_ + 1)
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tbl_17_[i_18_] = val_19_
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end
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end
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saves = tbl_17_
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end
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local binds = nil
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do
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local tbl_17_ = {}
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local i_18_ = #tbl_17_
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for raw, name in pairs(scope.manglings) do
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local val_19_ = nil
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if not scope.gensyms[name] then
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val_19_ = ("___replLocals___[%q] = %s"):format(raw, name)
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else
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val_19_ = nil
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end
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if (nil ~= val_19_) then
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i_18_ = (i_18_ + 1)
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tbl_17_[i_18_] = val_19_
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end
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end
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binds = tbl_17_
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end
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local gap = nil
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if lua_source:find("\n") then
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gap = "\n"
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else
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gap = " "
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end
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local function _721_()
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if next(saves) then
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return (table.concat(saves, " ") .. gap)
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else
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return ""
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end
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end
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local function _724_()
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local _722_0, _723_0 = lua_source:match("^(.*)[\n ](return .*)$")
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if ((nil ~= _722_0) and (nil ~= _723_0)) then
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local body = _722_0
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local _return = _723_0
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return (body .. gap .. table.concat(binds, " ") .. gap .. _return)
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else
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local _ = _722_0
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return lua_source
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end
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end
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return (_721_() .. _724_())
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end
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local commands = {}
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local function completer(env, scope, text, _3ffulltext, _from, _to)
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local max_items = 2000
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local seen = {}
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local matches = {}
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local input_fragment = text:gsub(".*[%s)(]+", "")
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local stop_looking_3f = false
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local function add_partials(input, tbl, prefix)
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local scope_first_3f = ((tbl == env) or (tbl == env.___replLocals___))
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local tbl_17_ = matches
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local i_18_ = #tbl_17_
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local function _726_()
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if scope_first_3f then
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return scope.manglings
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else
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return tbl
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end
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end
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for k, is_mangled in utils.allpairs(_726_()) do
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if (max_items <= #matches) then break end
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local val_19_ = nil
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do
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local lookup_k = nil
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if scope_first_3f then
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lookup_k = is_mangled
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else
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lookup_k = k
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end
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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
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seen[k] = true
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val_19_ = (prefix .. k)
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else
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val_19_ = nil
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end
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end
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if (nil ~= val_19_) then
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i_18_ = (i_18_ + 1)
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tbl_17_[i_18_] = val_19_
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end
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end
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return tbl_17_
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end
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local function descend(input, tbl, prefix, add_matches, method_3f)
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local splitter = nil
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if method_3f then
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splitter = "^([^:]+):(.*)"
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else
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splitter = "^([^.]+)%.(.*)"
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end
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local head, tail = input:match(splitter)
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local raw_head = (scope.manglings[head] or head)
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if (type(tbl[raw_head]) == "table") then
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stop_looking_3f = true
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if method_3f then
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return add_partials(tail, tbl[raw_head], (prefix .. head .. ":"))
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else
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return add_matches(tail, tbl[raw_head], (prefix .. head))
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end
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end
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end
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local function add_matches(input, tbl, prefix)
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local prefix0 = nil
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if prefix then
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prefix0 = (prefix .. ".")
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else
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prefix0 = ""
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end
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if (not input:find("%.") and input:find(":")) then
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return descend(input, tbl, prefix0, add_matches, true)
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elseif not input:find("%.") then
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return add_partials(input, tbl, prefix0)
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else
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return descend(input, tbl, prefix0, add_matches, false)
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end
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end
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do
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local _735_0 = tostring((_3ffulltext or text)):match("^%s*,([^%s()[%]]*)$")
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if (nil ~= _735_0) then
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local cmd_fragment = _735_0
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add_partials(cmd_fragment, commands, ",")
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else
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local _ = _735_0
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for _0, source in ipairs({scope.specials, scope.macros, (env.___replLocals___ or {}), env, env._G}) do
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if stop_looking_3f then break end
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add_matches(input_fragment, source)
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end
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end
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end
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return matches
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end
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local function command_3f(input)
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return input:match("^%s*,")
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end
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local function command_docs()
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local _737_
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do
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local tbl_17_ = {}
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local i_18_ = #tbl_17_
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for name, f in utils.stablepairs(commands) do
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local val_19_ = (" ,%s - %s"):format(name, ((compiler.metadata):get(f, "fnl/docstring") or "undocumented"))
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if (nil ~= val_19_) then
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i_18_ = (i_18_ + 1)
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tbl_17_[i_18_] = val_19_
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end
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end
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_737_ = tbl_17_
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end
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return table.concat(_737_, "\n")
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end
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commands.help = function(_, _0, on_values)
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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 ,return FORM - Evaluate FORM and return its value to the REPL's caller.\n ,exit - Leave the repl.\n\nUse ,doc something to see descriptions for individual macros and special forms.\nValues from previous inputs are kept in *1, *2, and *3.\n\nFor more information about the language, see https://fennel-lang.org/reference")})
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end
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do end (compiler.metadata):set(commands.help, "fnl/docstring", "Show this message.")
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local function reload(module_name, env, on_values, on_error)
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local _739_0, _740_0 = pcall(specials["load-code"]("return require(...)", env), module_name)
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if ((_739_0 == true) and (nil ~= _740_0)) then
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local old = _740_0
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local _ = nil
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package.loaded[module_name] = nil
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_ = nil
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local new = nil
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do
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local _741_0, _742_0 = pcall(require, module_name)
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if ((_741_0 == true) and (nil ~= _742_0)) then
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local new0 = _742_0
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new = new0
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elseif (true and (nil ~= _742_0)) then
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local _0 = _741_0
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local msg = _742_0
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on_error("Repl", msg)
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new = old
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else
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new = nil
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end
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end
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specials["macro-loaded"][module_name] = nil
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if ((type(old) == "table") and (type(new) == "table")) then
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for k, v in pairs(new) do
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old[k] = v
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end
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for k in pairs(old) do
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if (nil == new[k]) then
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old[k] = nil
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end
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end
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package.loaded[module_name] = old
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end
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return on_values({"ok"})
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elseif ((_739_0 == false) and (nil ~= _740_0)) then
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local msg = _740_0
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if msg:match("loop or previous error loading module") then
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package.loaded[module_name] = nil
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return reload(module_name, env, on_values, on_error)
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elseif specials["macro-loaded"][module_name] then
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specials["macro-loaded"][module_name] = nil
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return nil
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else
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local function _747_()
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local _746_0 = msg:gsub("\n.*", "")
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return _746_0
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end
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return on_error("Runtime", _747_())
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end
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end
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end
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local function run_command(read, on_error, f)
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local _750_0, _751_0, _752_0 = pcall(read)
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if ((_750_0 == true) and (_751_0 == true) and (nil ~= _752_0)) then
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local val = _752_0
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local _753_0, _754_0 = pcall(f, val)
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if ((_753_0 == false) and (nil ~= _754_0)) then
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local msg = _754_0
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return on_error("Runtime", msg)
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end
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elseif (_750_0 == false) then
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return on_error("Parse", "Couldn't parse input.")
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end
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end
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commands.reload = function(env, read, on_values, on_error)
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local function _757_(_241)
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return reload(tostring(_241), env, on_values, on_error)
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end
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return run_command(read, on_error, _757_)
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end
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do end (compiler.metadata):set(commands.reload, "fnl/docstring", "Reload the specified module.")
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commands.reset = function(env, _, on_values)
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env.___replLocals___ = {}
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return on_values({"ok"})
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end
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do end (compiler.metadata):set(commands.reset, "fnl/docstring", "Erase all repl-local scope.")
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commands.complete = function(env, read, on_values, on_error, scope, chars)
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local function _758_()
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return on_values(completer(env, scope, table.concat(chars):gsub("^%s*,complete%s+", ""):sub(1, -2)))
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end
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return run_command(read, on_error, _758_)
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end
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do end (compiler.metadata):set(commands.complete, "fnl/docstring", "Print all possible completions for a given input symbol.")
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local function apropos_2a(pattern, tbl, prefix, seen, names)
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for name, subtbl in pairs(tbl) do
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if (("string" == type(name)) and (package ~= subtbl)) then
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local _759_0 = type(subtbl)
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if (_759_0 == "function") then
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if ((prefix .. name)):match(pattern) then
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table.insert(names, (prefix .. name))
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end
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elseif (_759_0 == "table") then
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if not seen[subtbl] then
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local _761_
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do
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seen[subtbl] = true
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_761_ = seen
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end
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apropos_2a(pattern, subtbl, (prefix .. name:gsub("%.", "/") .. "."), _761_, names)
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end
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end
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end
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end
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return names
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end
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local function apropos(pattern)
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return apropos_2a(pattern:gsub("^_G%.", ""), package.loaded, "", {}, {})
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end
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commands.apropos = function(_env, read, on_values, on_error, _scope)
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local function _765_(_241)
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return on_values(apropos(tostring(_241)))
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end
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return run_command(read, on_error, _765_)
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end
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do end (compiler.metadata):set(commands.apropos, "fnl/docstring", "Print all functions matching a pattern in all loaded modules.")
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local function apropos_follow_path(path)
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local paths = nil
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do
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local tbl_17_ = {}
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local i_18_ = #tbl_17_
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for p in path:gmatch("[^%.]+") do
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local val_19_ = p
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if (nil ~= val_19_) then
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i_18_ = (i_18_ + 1)
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tbl_17_[i_18_] = val_19_
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end
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end
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paths = tbl_17_
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end
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local tgt = package.loaded
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for _, path0 in ipairs(paths) do
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if (nil == tgt) then break end
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local _768_
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do
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local _767_0 = path0:gsub("%/", ".")
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_768_ = _767_0
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end
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tgt = tgt[_768_]
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end
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return tgt
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end
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local function apropos_doc(pattern)
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local tbl_17_ = {}
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local i_18_ = #tbl_17_
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for _, path in ipairs(apropos(".*")) do
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local val_19_ = nil
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do
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local tgt = apropos_follow_path(path)
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if ("function" == type(tgt)) then
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local _769_0 = (compiler.metadata):get(tgt, "fnl/docstring")
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if (nil ~= _769_0) then
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local docstr = _769_0
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val_19_ = (docstr:match(pattern) and path)
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else
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val_19_ = nil
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end
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else
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val_19_ = nil
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end
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end
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if (nil ~= val_19_) then
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i_18_ = (i_18_ + 1)
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tbl_17_[i_18_] = val_19_
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end
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end
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return tbl_17_
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end
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commands["apropos-doc"] = function(_env, read, on_values, on_error, _scope)
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local function _773_(_241)
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return on_values(apropos_doc(tostring(_241)))
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end
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return run_command(read, on_error, _773_)
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end
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do end (compiler.metadata):set(commands["apropos-doc"], "fnl/docstring", "Print all functions that match the pattern in their docs")
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local function apropos_show_docs(on_values, pattern)
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for _, path in ipairs(apropos(pattern)) do
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local tgt = apropos_follow_path(path)
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if (("function" == type(tgt)) and (compiler.metadata):get(tgt, "fnl/docstring")) then
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on_values({specials.doc(tgt, path)})
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on_values({})
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end
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end
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return nil
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end
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commands["apropos-show-docs"] = function(_env, read, on_values, on_error)
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local function _775_(_241)
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return apropos_show_docs(on_values, tostring(_241))
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end
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return run_command(read, on_error, _775_)
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end
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do end (compiler.metadata):set(commands["apropos-show-docs"], "fnl/docstring", "Print all documentations matching a pattern in function name")
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local function resolve(identifier, _776_0, scope)
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local _777_ = _776_0
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local env = _777_
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local ___replLocals___ = _777_["___replLocals___"]
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local e = nil
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local function _778_(_241, _242)
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return (___replLocals___[scope.unmanglings[_242]] or env[_242])
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end
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e = setmetatable({}, {__index = _778_})
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local function _779_(...)
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local _780_0, _781_0 = ...
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if ((_780_0 == true) and (nil ~= _781_0)) then
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local code = _781_0
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local function _782_(...)
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local _783_0, _784_0 = ...
|
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if ((_783_0 == true) and (nil ~= _784_0)) then
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local val = _784_0
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return val
|
|
else
|
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local _ = _783_0
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return nil
|
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end
|
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end
|
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return _782_(pcall(specials["load-code"](code, e)))
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else
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local _ = _780_0
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return nil
|
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end
|
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end
|
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return _779_(pcall(compiler["compile-string"], tostring(identifier), {scope = scope}))
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end
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commands.find = function(env, read, on_values, on_error, scope)
|
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local function _787_(_241)
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local _788_0 = nil
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do
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local _789_0 = utils["sym?"](_241)
|
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if (nil ~= _789_0) then
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local _790_0 = resolve(_789_0, env, scope)
|
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if (nil ~= _790_0) then
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_788_0 = debug.getinfo(_790_0)
|
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else
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_788_0 = _790_0
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end
|
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else
|
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_788_0 = _789_0
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end
|
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end
|
|
if ((_G.type(_788_0) == "table") and (nil ~= _788_0.linedefined) and (nil ~= _788_0.short_src) and (nil ~= _788_0.source) and (_788_0.what == "Lua")) then
|
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local line = _788_0.linedefined
|
|
local src = _788_0.short_src
|
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local source = _788_0.source
|
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local fnlsrc = nil
|
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do
|
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local _793_0 = compiler.sourcemap
|
|
if (nil ~= _793_0) then
|
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_793_0 = _793_0[source]
|
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end
|
|
if (nil ~= _793_0) then
|
|
_793_0 = _793_0[line]
|
|
end
|
|
if (nil ~= _793_0) then
|
|
_793_0 = _793_0[2]
|
|
end
|
|
fnlsrc = _793_0
|
|
end
|
|
return on_values({string.format("%s:%s", src, (fnlsrc or line))})
|
|
elseif (_788_0 == nil) then
|
|
return on_error("Repl", "Unknown value")
|
|
else
|
|
local _ = _788_0
|
|
return on_error("Repl", "No source info")
|
|
end
|
|
end
|
|
return run_command(read, on_error, _787_)
|
|
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 _798_(_241)
|
|
local name = tostring(_241)
|
|
local path = (utils["multi-sym?"](name) or {name})
|
|
local ok_3f, target = nil, nil
|
|
local function _799_()
|
|
return (scope.specials[name] or utils["get-in"](scope.macros, path) or resolve(name, env, scope))
|
|
end
|
|
ok_3f, target = pcall(_799_)
|
|
if ok_3f then
|
|
return on_values({specials.doc(target, name)})
|
|
else
|
|
return on_error("Repl", ("Could not find " .. name .. " for docs."))
|
|
end
|
|
end
|
|
return run_command(read, on_error, _798_)
|
|
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(_, read, on_values, on_error, _0, _1, opts)
|
|
local function _801_(_241)
|
|
local _802_0, _803_0 = pcall(compiler.compile, _241, opts)
|
|
if ((_802_0 == true) and (nil ~= _803_0)) then
|
|
local result = _803_0
|
|
return on_values({result})
|
|
elseif (true and (nil ~= _803_0)) then
|
|
local _2 = _802_0
|
|
local msg = _803_0
|
|
return on_error("Repl", ("Error compiling expression: " .. msg))
|
|
end
|
|
end
|
|
return run_command(read, on_error, _801_)
|
|
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 i = #(plugins or {}), 1, -1 do
|
|
for name, f in pairs(plugins[i]) do
|
|
local _805_0 = name:match("^repl%-command%-(.*)")
|
|
if (nil ~= _805_0) then
|
|
local cmd_name = _805_0
|
|
commands[cmd_name] = f
|
|
end
|
|
end
|
|
end
|
|
return nil
|
|
end
|
|
local function run_command_loop(input, read, loop, env, on_values, on_error, scope, chars, opts)
|
|
local command_name = input:match(",([^%s/]+)")
|
|
do
|
|
local _807_0 = commands[command_name]
|
|
if (nil ~= _807_0) then
|
|
local command = _807_0
|
|
command(env, read, on_values, on_error, scope, chars, opts)
|
|
else
|
|
local _ = _807_0
|
|
if ((command_name ~= "exit") and (command_name ~= "return")) then
|
|
on_values({"Unknown command", command_name})
|
|
end
|
|
end
|
|
end
|
|
if ("exit" ~= command_name) then
|
|
return loop((command_name == "return"))
|
|
end
|
|
end
|
|
local function try_readline_21(opts, ok, readline)
|
|
if ok then
|
|
if readline.set_readline_name then
|
|
readline.set_readline_name("fennel")
|
|
end
|
|
readline.set_options({histfile = "", keeplines = 1000})
|
|
opts.readChunk = function(parser_state)
|
|
local _812_0 = readline.readline(prompt_for((0 == parser_state["stack-size"])))
|
|
if (nil ~= _812_0) then
|
|
local input = _812_0
|
|
return (input .. "\n")
|
|
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), text, from, to)
|
|
else
|
|
return {}
|
|
end
|
|
end
|
|
readline.set_complete_function(repl_completer)
|
|
return readline
|
|
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 _816_ = copy(_3foptions)
|
|
local opts = _816_
|
|
local _3ffennelrc = _816_["fennelrc"]
|
|
local _ = nil
|
|
opts.fennelrc = nil
|
|
_ = nil
|
|
local readline = (should_use_readline_3f(opts) and try_readline_21(opts, pcall(require, "readline")))
|
|
local _0 = nil
|
|
if _3ffennelrc then
|
|
_0 = _3ffennelrc()
|
|
else
|
|
_0 = nil
|
|
end
|
|
local env = specials["wrap-env"]((opts.env or rawget(_G, "_ENV") or _G))
|
|
local callbacks = {["view-opts"] = (opts["view-opts"] or {depth = 4}), env = env, onError = (opts.onError or default_on_error), onValues = (opts.onValues or default_on_values), pp = (opts.pp or view), readChunk = (opts.readChunk or default_read_chunk)}
|
|
local save_locals_3f = (opts.saveLocals ~= false)
|
|
local byte_stream, clear_stream = nil, nil
|
|
local function _818_(_241)
|
|
return callbacks.readChunk(_241)
|
|
end
|
|
byte_stream, clear_stream = parser.granulate(_818_)
|
|
local chars = {}
|
|
local read, reset = nil, nil
|
|
local function _819_(parser_state)
|
|
local b = byte_stream(parser_state)
|
|
if b then
|
|
table.insert(chars, string.char(b))
|
|
end
|
|
return b
|
|
end
|
|
read, reset = parser.parser(_819_)
|
|
depth = (depth + 1)
|
|
if opts.message then
|
|
callbacks.onValues({opts.message})
|
|
end
|
|
env.___repl___ = callbacks
|
|
opts.env, opts.scope = env, compiler["make-scope"]()
|
|
opts.useMetadata = (opts.useMetadata ~= false)
|
|
if (opts.allowedGlobals == nil) then
|
|
opts.allowedGlobals = specials["current-global-names"](env)
|
|
end
|
|
if opts.init then
|
|
opts.init(opts, depth)
|
|
end
|
|
if opts.registerCompleter then
|
|
local function _825_()
|
|
local _824_0 = opts.scope
|
|
local function _826_(...)
|
|
return completer(env, _824_0, ...)
|
|
end
|
|
return _826_
|
|
end
|
|
opts.registerCompleter(_825_())
|
|
end
|
|
load_plugin_commands(opts.plugins)
|
|
if save_locals_3f then
|
|
local function newindex(t, k, v)
|
|
if opts.scope.manglings[k] then
|
|
return rawset(t, k, v)
|
|
end
|
|
end
|
|
env.___replLocals___ = setmetatable({}, {__newindex = newindex})
|
|
end
|
|
local function print_values(...)
|
|
local vals = {...}
|
|
local out = {}
|
|
local pp = callbacks.pp
|
|
env._, env.__ = vals[1], vals
|
|
for i = 1, select("#", ...) do
|
|
table.insert(out, pp(vals[i], callbacks["view-opts"]))
|
|
end
|
|
return callbacks.onValues(out)
|
|
end
|
|
local function save_value(...)
|
|
env.___replLocals___["*3"] = env.___replLocals___["*2"]
|
|
env.___replLocals___["*2"] = env.___replLocals___["*1"]
|
|
env.___replLocals___["*1"] = ...
|
|
return ...
|
|
end
|
|
opts.scope.manglings["*1"], opts.scope.unmanglings._1 = "_1", "*1"
|
|
opts.scope.manglings["*2"], opts.scope.unmanglings._2 = "_2", "*2"
|
|
opts.scope.manglings["*3"], opts.scope.unmanglings._3 = "_3", "*3"
|
|
local function loop(exit_next_3f)
|
|
for k in pairs(chars) do
|
|
chars[k] = nil
|
|
end
|
|
reset()
|
|
local ok, parser_not_eof_3f, form = pcall(read)
|
|
local src_string = table.concat(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
|
|
callbacks.onError("Parse", not_eof_3f)
|
|
clear_stream()
|
|
return loop()
|
|
elseif command_3f(src_string) then
|
|
return run_command_loop(src_string, read, loop, env, callbacks.onValues, callbacks.onError, opts.scope, chars, opts)
|
|
else
|
|
if not_eof_3f then
|
|
local function _830_(...)
|
|
local _831_0, _832_0 = ...
|
|
if ((_831_0 == true) and (nil ~= _832_0)) then
|
|
local src = _832_0
|
|
local function _833_(...)
|
|
local _834_0, _835_0 = ...
|
|
if ((_834_0 == true) and (nil ~= _835_0)) then
|
|
local chunk = _835_0
|
|
local function _836_()
|
|
return print_values(save_value(chunk()))
|
|
end
|
|
local function _837_(...)
|
|
return callbacks.onError("Runtime", ...)
|
|
end
|
|
return xpcall(_836_, _837_)
|
|
elseif ((_834_0 == false) and (nil ~= _835_0)) then
|
|
local msg = _835_0
|
|
clear_stream()
|
|
return callbacks.onError("Compile", msg)
|
|
end
|
|
end
|
|
local function _840_(...)
|
|
local src0 = nil
|
|
if save_locals_3f then
|
|
src0 = splice_save_locals(env, src, opts.scope)
|
|
else
|
|
src0 = src
|
|
end
|
|
return pcall(specials["load-code"], src0, env)
|
|
end
|
|
return _833_(_840_(...))
|
|
elseif ((_831_0 == false) and (nil ~= _832_0)) then
|
|
local msg = _832_0
|
|
clear_stream()
|
|
return callbacks.onError("Compile", msg)
|
|
end
|
|
end
|
|
local function _842_()
|
|
opts["source"] = src_string
|
|
return opts
|
|
end
|
|
_830_(pcall(compiler.compile, form, _842_()))
|
|
utils.root.options = old_root_options
|
|
if exit_next_3f then
|
|
return env.___replLocals___["*1"]
|
|
else
|
|
return loop()
|
|
end
|
|
end
|
|
end
|
|
end
|
|
local value = loop()
|
|
depth = (depth - 1)
|
|
if readline then
|
|
readline.save_history()
|
|
end
|
|
if opts.exit then
|
|
opts.exit(opts, depth)
|
|
end
|
|
return value
|
|
end
|
|
local repl_mt = {__index = {repl = repl}}
|
|
repl_mt.__call = function(_848_0, _3fopts)
|
|
local _849_ = _848_0
|
|
local overrides = _849_
|
|
local view_opts = _849_["view-opts"]
|
|
local opts = copy(_3fopts, copy(overrides))
|
|
local _851_
|
|
do
|
|
local _850_0 = _3fopts
|
|
if (nil ~= _850_0) then
|
|
_850_0 = _850_0["view-opts"]
|
|
end
|
|
_851_ = _850_0
|
|
end
|
|
opts["view-opts"] = copy(_851_, copy(view_opts))
|
|
return repl(opts)
|
|
end
|
|
return setmetatable({["view-opts"] = {}}, repl_mt)
|
|
end
|
|
package.preload["fennel.specials"] = package.preload["fennel.specials"] or function(...)
|
|
local _484_ = require("fennel.utils")
|
|
local utils = _484_
|
|
local pack = _484_["pack"]
|
|
local unpack = _484_["unpack"]
|
|
local view = require("fennel.view")
|
|
local parser = require("fennel.parser")
|
|
local compiler = require("fennel.compiler")
|
|
local SPECIALS = compiler.scopes.global.specials
|
|
local function str1(x)
|
|
return tostring(x[1])
|
|
end
|
|
local function wrap_env(env)
|
|
local function _485_(_, key)
|
|
if utils["string?"](key) then
|
|
return env[compiler["global-unmangling"](key)]
|
|
else
|
|
return env[key]
|
|
end
|
|
end
|
|
local function _487_(_, key, value)
|
|
if utils["string?"](key) then
|
|
env[compiler["global-unmangling"](key)] = value
|
|
return nil
|
|
else
|
|
env[key] = value
|
|
return nil
|
|
end
|
|
end
|
|
local function _489_()
|
|
local _490_
|
|
do
|
|
local tbl_14_ = {}
|
|
for k, v in utils.stablepairs(env) do
|
|
local k_15_, v_16_ = nil, nil
|
|
local _491_
|
|
if utils["string?"](k) then
|
|
_491_ = compiler["global-unmangling"](k)
|
|
else
|
|
_491_ = k
|
|
end
|
|
k_15_, v_16_ = _491_, v
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
_490_ = tbl_14_
|
|
end
|
|
return next, _490_, nil
|
|
end
|
|
return setmetatable({}, {__index = _485_, __newindex = _487_, __pairs = _489_})
|
|
end
|
|
local function fennel_module_name()
|
|
return (utils.root.options.moduleName or "fennel")
|
|
end
|
|
local function current_global_names(_3fenv)
|
|
local mt = nil
|
|
do
|
|
local _494_0 = getmetatable(_3fenv)
|
|
if ((_G.type(_494_0) == "table") and (nil ~= _494_0.__pairs)) then
|
|
local mtpairs = _494_0.__pairs
|
|
local tbl_14_ = {}
|
|
for k, v in mtpairs(_3fenv) do
|
|
local k_15_, v_16_ = k, v
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
mt = tbl_14_
|
|
elseif (_494_0 == nil) then
|
|
mt = (_3fenv or _G)
|
|
else
|
|
mt = nil
|
|
end
|
|
end
|
|
local function _497_()
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for k in utils.stablepairs(mt) do
|
|
local val_19_ = compiler["global-unmangling"](k)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
return tbl_17_
|
|
end
|
|
return (mt and _497_())
|
|
end
|
|
local function load_code(code, _3fenv, _3ffilename)
|
|
local env = (_3fenv or rawget(_G, "_ENV") or _G)
|
|
local _499_0, _500_0 = rawget(_G, "setfenv"), rawget(_G, "loadstring")
|
|
if ((nil ~= _499_0) and (nil ~= _500_0)) then
|
|
local setfenv = _499_0
|
|
local loadstring = _500_0
|
|
local f = assert(loadstring(code, _3ffilename))
|
|
setfenv(f, env)
|
|
return f
|
|
else
|
|
local _ = _499_0
|
|
return assert(load(code, _3ffilename, "t", env))
|
|
end
|
|
end
|
|
local function v__3edocstring(tgt)
|
|
return (((compiler.metadata):get(tgt, "fnl/docstring") or "#<undocumented>")):gsub("\n$", ""):gsub("\n", "\n ")
|
|
end
|
|
local function doc_2a(tgt, name)
|
|
assert(("string" == type(name)), "name must be a string")
|
|
if not tgt then
|
|
return (name .. " not found")
|
|
else
|
|
local function _503_()
|
|
local _502_0 = getmetatable(tgt)
|
|
if ((_G.type(_502_0) == "table") and true) then
|
|
local __call = _502_0.__call
|
|
return ("function" == type(__call))
|
|
end
|
|
end
|
|
if ((type(tgt) == "function") or _503_()) then
|
|
local elts = {name, unpack(((compiler.metadata):get(tgt, "fnl/arglist") or {"#<unknown-arguments>"}))}
|
|
return string.format("(%s)\n %s", table.concat(elts, " "), v__3edocstring(tgt))
|
|
else
|
|
return string.format("%s\n %s", name, v__3edocstring(tgt))
|
|
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}
|
|
return nil
|
|
end
|
|
local function compile_do(ast, scope, parent, _3fstart)
|
|
local start = (_3fstart or 2)
|
|
local len = #ast
|
|
local sub_scope = compiler["make-scope"](scope)
|
|
for i = start, len do
|
|
compiler.compile1(ast[i], sub_scope, parent, {nval = 0})
|
|
end
|
|
return nil
|
|
end
|
|
SPECIALS["do"] = function(ast, scope, parent, opts, _3fstart, _3fchunk, _3fsub_scope, _3fpre_syms)
|
|
local start = (_3fstart or 2)
|
|
local sub_scope = (_3fsub_scope or compiler["make-scope"](scope))
|
|
local chunk = (_3fchunk or {})
|
|
local len = #ast
|
|
local retexprs = {returned = true}
|
|
utils.hook("pre-do", ast, sub_scope)
|
|
local function compile_body(outer_target, outer_tail, outer_retexprs)
|
|
for i = start, len do
|
|
local subopts = {nval = (((i ~= len) and 0) or opts.nval), tail = (((i == len) and outer_tail) or nil), target = (((i == len) and outer_target) or nil)}
|
|
local _ = utils["propagate-options"](opts, subopts)
|
|
local subexprs = compiler.compile1(ast[i], sub_scope, chunk, subopts)
|
|
if (i ~= len) then
|
|
compiler["keep-side-effects"](subexprs, parent, nil, ast[i])
|
|
end
|
|
end
|
|
compiler.emit(parent, chunk, ast)
|
|
compiler.emit(parent, "end", ast)
|
|
utils.hook("do", ast, sub_scope)
|
|
return (outer_retexprs or retexprs)
|
|
end
|
|
if (opts.target or (opts.nval == 0) or opts.tail) then
|
|
compiler.emit(parent, "do", ast)
|
|
return compile_body(opts.target, opts.tail)
|
|
elseif opts.nval then
|
|
local syms = {}
|
|
for i = 1, opts.nval do
|
|
local s = ((_3fpre_syms and _3fpre_syms[i]) or compiler.gensym(scope))
|
|
syms[i] = s
|
|
retexprs[i] = utils.expr(s, "sym")
|
|
end
|
|
local outer_target = table.concat(syms, ", ")
|
|
compiler.emit(parent, string.format("local %s", outer_target), ast)
|
|
compiler.emit(parent, "do", ast)
|
|
return compile_body(outer_target, opts.tail)
|
|
else
|
|
local fname = compiler.gensym(scope)
|
|
local fargs = nil
|
|
if scope.vararg then
|
|
fargs = "..."
|
|
else
|
|
fargs = ""
|
|
end
|
|
compiler.emit(parent, string.format("local function %s(%s)", fname, fargs), ast)
|
|
return compile_body(nil, true, utils.expr((fname .. "(" .. fargs .. ")"), "statement"))
|
|
end
|
|
end
|
|
doc_special("do", {"..."}, "Evaluate multiple forms; return last value.", true)
|
|
local function iter_args(ast)
|
|
local ast0, len, i = ast, #ast, 1
|
|
local function _509_()
|
|
i = (1 + i)
|
|
while ((i == len) and utils["call-of?"](ast0[i], "values")) do
|
|
ast0 = ast0[i]
|
|
len = #ast0
|
|
i = 2
|
|
end
|
|
return ast0[i], (nil == ast0[(i + 1)])
|
|
end
|
|
return _509_
|
|
end
|
|
SPECIALS.values = function(ast, scope, parent)
|
|
local exprs = {}
|
|
for subast, last_3f in iter_args(ast) do
|
|
local subexprs = compiler.compile1(subast, scope, parent, {nval = (not last_3f and 1)})
|
|
table.insert(exprs, subexprs[1])
|
|
if last_3f then
|
|
for j = 2, #subexprs do
|
|
table.insert(exprs, subexprs[j])
|
|
end
|
|
end
|
|
end
|
|
return exprs
|
|
end
|
|
doc_special("values", {"..."}, "Return multiple values from a function. Must be in tail position.")
|
|
local function __3estack(stack, tbl)
|
|
for k, v in pairs(tbl) do
|
|
table.insert(stack, k)
|
|
table.insert(stack, 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)
|
|
end
|
|
end
|
|
end
|
|
return res
|
|
end
|
|
local function compile_value(v)
|
|
local opts = {nval = 1, tail = false}
|
|
local scope = compiler["make-scope"]()
|
|
local chunk = {}
|
|
local _513_ = compiler.compile1(v, scope, chunk, opts)
|
|
local _514_ = _513_[1]
|
|
local v0 = _514_[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)))
|
|
table.insert(meta, view(k))
|
|
local function _515_()
|
|
if ("string" == type(v)) then
|
|
return view(v, view_opts)
|
|
else
|
|
return compile_value(v)
|
|
end
|
|
end
|
|
table.insert(meta, _515_())
|
|
return meta
|
|
end
|
|
local function insert_arglist(meta, arg_list)
|
|
local opts = {["escape-newlines?"] = true, ["line-length"] = math.huge, ["one-line?"] = true}
|
|
local view_args = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, arg in ipairs(arg_list) do
|
|
local val_19_ = view(view(arg, opts))
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
view_args = tbl_17_
|
|
end
|
|
table.insert(meta, "\"fnl/arglist\"")
|
|
table.insert(meta, ("{" .. table.concat(view_args, ", ") .. "}"))
|
|
return meta
|
|
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
|
|
if (type(utils.root.options.useMetadata) == "string") then
|
|
return compiler.emit(parent, ("%s:setall(%s, %s)"):format(utils.root.options.useMetadata, fn_name, table.concat(meta_fields, ", ")))
|
|
else
|
|
local meta_str = ("require(\"%s\").metadata"):format(fennel_module_name())
|
|
return compiler.emit(parent, ("pcall(function() %s:setall(%s, %s) end)"):format(meta_str, fn_name, table.concat(meta_fields, ", ")))
|
|
end
|
|
end
|
|
end
|
|
local function get_fn_name(ast, scope, fn_name, multi)
|
|
if (fn_name and (fn_name[1] ~= "nil")) then
|
|
local _520_
|
|
if not multi then
|
|
_520_ = compiler["declare-local"](fn_name, scope, ast)
|
|
else
|
|
_520_ = compiler["symbol-to-expression"](fn_name, scope)[1]
|
|
end
|
|
return _520_, not multi, 3
|
|
else
|
|
return nil, true, 2
|
|
end
|
|
end
|
|
local function compile_named_fn(ast, f_scope, f_chunk, parent, index, fn_name, local_3f, arg_name_list, f_metadata)
|
|
utils.hook("pre-fn", ast, f_scope, parent)
|
|
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 _523_
|
|
if local_3f then
|
|
_523_ = "local function %s(%s)"
|
|
else
|
|
_523_ = "%s = function(%s)"
|
|
end
|
|
compiler.emit(parent, string.format(_523_, fn_name, table.concat(arg_name_list, ", ")), ast)
|
|
compiler.emit(parent, f_chunk, ast)
|
|
compiler.emit(parent, "end", ast)
|
|
set_fn_metadata(f_metadata, parent, fn_name)
|
|
utils.hook("fn", ast, f_scope, parent)
|
|
return utils.expr(fn_name, "sym")
|
|
end
|
|
local function compile_anonymous_fn(ast, f_scope, f_chunk, parent, index, arg_name_list, f_metadata, scope)
|
|
local fn_name = compiler.gensym(scope)
|
|
return compile_named_fn(ast, f_scope, f_chunk, parent, index, fn_name, true, arg_name_list, f_metadata)
|
|
end
|
|
local function maybe_metadata(ast, pred, handler, mt, index)
|
|
local index_2a = (index + 1)
|
|
local index_2a_before_ast_end_3f = (index_2a < #ast)
|
|
local expr = ast[index_2a]
|
|
if (index_2a_before_ast_end_3f and pred(expr)) then
|
|
return handler(mt, expr), index_2a
|
|
else
|
|
return mt, index
|
|
end
|
|
end
|
|
local function get_function_metadata(ast, arg_list, index)
|
|
local function _526_(_241, _242)
|
|
local tbl_14_ = _241
|
|
for k, v in pairs(_242) do
|
|
local k_15_, v_16_ = k, v
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
return tbl_14_
|
|
end
|
|
local function _528_(_241, _242)
|
|
_241["fnl/docstring"] = _242
|
|
return _241
|
|
end
|
|
return maybe_metadata(ast, utils["kv-table?"], _526_, maybe_metadata(ast, utils["string?"], _528_, {["fnl/arglist"] = arg_list}, index))
|
|
end
|
|
SPECIALS.fn = function(ast, scope, parent, opts)
|
|
local f_scope = nil
|
|
do
|
|
local _529_0 = compiler["make-scope"](scope)
|
|
_529_0["vararg"] = false
|
|
f_scope = _529_0
|
|
end
|
|
local f_chunk = {}
|
|
local fn_sym = utils["sym?"](ast[2])
|
|
local multi = (fn_sym and utils["multi-sym?"](fn_sym[1]))
|
|
local fn_name, local_3f, index = get_fn_name(ast, scope, fn_sym, multi, opts)
|
|
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)
|
|
if (multi and not scope.symmeta[multi[1]] and not compiler["global-allowed?"](multi[1])) then
|
|
compiler.assert(nil, ("expected local table " .. multi[1]), ast[2])
|
|
end
|
|
local function destructure_arg(arg)
|
|
local raw = utils.sym(compiler.gensym(scope))
|
|
local declared = compiler["declare-local"](raw, f_scope, ast)
|
|
compiler.destructure(arg, raw, ast, f_scope, f_chunk, {declaration = true, nomulti = true, symtype = "arg"})
|
|
return declared
|
|
end
|
|
local function destructure_amp(i)
|
|
compiler.assert((i == (#arg_list - 1)), "expected rest argument before last parameter", arg_list[(i + 1)], arg_list)
|
|
f_scope.vararg = true
|
|
compiler.destructure(arg_list[#arg_list], {utils.varg()}, ast, f_scope, f_chunk, {declaration = true, nomulti = true, symtype = "arg"})
|
|
return "..."
|
|
end
|
|
local function get_arg_name(arg, i)
|
|
if f_scope.vararg then
|
|
return nil
|
|
elseif utils["varg?"](arg) then
|
|
compiler.assert((arg == arg_list[#arg_list]), "expected vararg as last parameter", ast)
|
|
f_scope.vararg = true
|
|
return "..."
|
|
elseif utils["sym?"](arg, "&") then
|
|
return destructure_amp(i)
|
|
elseif (utils["sym?"](arg) and (tostring(arg) ~= "nil") and not utils["multi-sym?"](tostring(arg))) then
|
|
return compiler["declare-local"](arg, f_scope, ast)
|
|
elseif utils["table?"](arg) then
|
|
return destructure_arg(arg)
|
|
else
|
|
return compiler.assert(false, ("expected symbol for function parameter: %s"):format(tostring(arg)), ast[index])
|
|
end
|
|
end
|
|
local arg_name_list = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i, a in ipairs(arg_list) do
|
|
local val_19_ = get_arg_name(a, i)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
arg_name_list = tbl_17_
|
|
end
|
|
local f_metadata, index0 = get_function_metadata(ast, arg_list, index)
|
|
if fn_name then
|
|
return compile_named_fn(ast, f_scope, f_chunk, parent, index0, fn_name, local_3f, arg_name_list, f_metadata)
|
|
else
|
|
return compile_anonymous_fn(ast, f_scope, f_chunk, parent, index0, arg_name_list, f_metadata, scope)
|
|
end
|
|
end
|
|
doc_special("fn", {"name?", "args", "docstring?", "..."}, "Function syntax. May optionally include a name and docstring or a metadata table.\nIf a name is provided, the function will be bound in the current scope.\nWhen called with the wrong number of args, excess args will be discarded\nand lacking args will be nil, use lambda for arity-checked functions.", true)
|
|
SPECIALS.lua = function(ast, _, parent)
|
|
compiler.assert(((#ast == 2) or (#ast == 3)), "expected 1 or 2 arguments", ast)
|
|
local _535_
|
|
do
|
|
local _534_0 = utils["sym?"](ast[2])
|
|
if (nil ~= _534_0) then
|
|
_535_ = tostring(_534_0)
|
|
else
|
|
_535_ = _534_0
|
|
end
|
|
end
|
|
if ("nil" ~= _535_) then
|
|
table.insert(parent, {ast = ast, leaf = tostring(ast[2])})
|
|
end
|
|
local _539_
|
|
do
|
|
local _538_0 = utils["sym?"](ast[3])
|
|
if (nil ~= _538_0) then
|
|
_539_ = tostring(_538_0)
|
|
else
|
|
_539_ = _538_0
|
|
end
|
|
end
|
|
if ("nil" ~= _539_) then
|
|
return tostring(ast[3])
|
|
end
|
|
end
|
|
local function dot(ast, scope, parent)
|
|
compiler.assert((1 < #ast), "expected table argument", ast)
|
|
local len = #ast
|
|
local lhs_node = compiler.macroexpand(ast[2], scope)
|
|
local _542_ = compiler.compile1(lhs_node, scope, parent, {nval = 1})
|
|
local lhs = _542_[1]
|
|
if (len == 2) then
|
|
return tostring(lhs)
|
|
else
|
|
local indices = {}
|
|
for i = 3, len do
|
|
local index = ast[i]
|
|
if (utils["string?"](index) and utils["valid-lua-identifier?"](index)) then
|
|
table.insert(indices, ("." .. index))
|
|
else
|
|
local _543_ = compiler.compile1(index, scope, parent, {nval = 1})
|
|
local index0 = _543_[1]
|
|
table.insert(indices, ("[" .. tostring(index0) .. "]"))
|
|
end
|
|
end
|
|
if (not (utils["sym?"](lhs_node) or utils["list?"](lhs_node)) or ("nil" == tostring(lhs_node))) then
|
|
return ("(" .. tostring(lhs) .. ")" .. table.concat(indices))
|
|
else
|
|
return (tostring(lhs) .. table.concat(indices))
|
|
end
|
|
end
|
|
end
|
|
SPECIALS["."] = dot
|
|
doc_special(".", {"tbl", "key1", "..."}, "Look up key1 in tbl table. If more args are provided, do a nested lookup.")
|
|
SPECIALS.global = function(ast, scope, parent)
|
|
compiler.assert((#ast == 3), "expected name and value", ast)
|
|
compiler.destructure(ast[2], ast[3], ast, scope, parent, {forceglobal = true, nomulti = true, symtype = "global"})
|
|
return nil
|
|
end
|
|
doc_special("global", {"name", "val"}, "Set name as a global with val. Deprecated.")
|
|
SPECIALS.set = function(ast, scope, parent)
|
|
compiler.assert((#ast == 3), "expected name and value", ast)
|
|
compiler.destructure(ast[2], ast[3], ast, scope, parent, {noundef = true, symtype = "set"})
|
|
return nil
|
|
end
|
|
doc_special("set", {"name", "val"}, "Set a local variable to a new value. Only works on locals using var.")
|
|
local function set_forcibly_21_2a(ast, scope, parent)
|
|
compiler.assert((#ast == 3), "expected name and value", ast)
|
|
compiler.destructure(ast[2], ast[3], ast, scope, parent, {forceset = true, symtype = "set"})
|
|
return nil
|
|
end
|
|
SPECIALS["set-forcibly!"] = set_forcibly_21_2a
|
|
local function local_2a(ast, scope, parent, opts)
|
|
compiler.assert(((0 == opts.nval) or opts.tail), "can't introduce local here", ast)
|
|
compiler.assert((#ast == 3), "expected name and value", ast)
|
|
compiler.destructure(ast[2], ast[3], ast, scope, parent, {declaration = true, nomulti = true, symtype = "local"})
|
|
return nil
|
|
end
|
|
SPECIALS["local"] = local_2a
|
|
doc_special("local", {"name", "val"}, "Introduce new top-level immutable local.")
|
|
SPECIALS.var = function(ast, scope, parent, opts)
|
|
compiler.assert(((0 == opts.nval) or opts.tail), "can't introduce var here", ast)
|
|
compiler.assert((#ast == 3), "expected name and value", ast)
|
|
compiler.destructure(ast[2], ast[3], ast, scope, parent, {declaration = true, isvar = true, nomulti = true, symtype = "var"})
|
|
return nil
|
|
end
|
|
doc_special("var", {"name", "val"}, "Introduce new mutable local.")
|
|
local function kv_3f(t)
|
|
local _547_
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for k in pairs(t) do
|
|
local val_19_ = nil
|
|
if ("number" ~= type(k)) then
|
|
val_19_ = k
|
|
else
|
|
val_19_ = nil
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
_547_ = tbl_17_
|
|
end
|
|
return _547_[1]
|
|
end
|
|
SPECIALS.let = function(_550_0, scope, parent, opts)
|
|
local _551_ = _550_0
|
|
local _ = _551_[1]
|
|
local bindings = _551_[2]
|
|
local ast = _551_
|
|
compiler.assert((utils["table?"](bindings) and not kv_3f(bindings)), "expected binding sequence", (bindings or ast[1]))
|
|
compiler.assert(((#bindings % 2) == 0), "expected even number of name/value bindings", bindings)
|
|
compiler.assert((3 <= #ast), "expected body expression", ast[1])
|
|
local pre_syms = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _0 = 1, (opts.nval or 0) do
|
|
local val_19_ = compiler.gensym(scope)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
pre_syms = tbl_17_
|
|
end
|
|
local sub_scope = compiler["make-scope"](scope)
|
|
local sub_chunk = {}
|
|
for i = 1, #bindings, 2 do
|
|
compiler.destructure(bindings[i], bindings[(i + 1)], ast, sub_scope, sub_chunk, {declaration = true, nomulti = true, symtype = "let"})
|
|
end
|
|
return SPECIALS["do"](ast, scope, parent, opts, 3, sub_chunk, sub_scope, pre_syms)
|
|
end
|
|
doc_special("let", {"[name1 val1 ... nameN valN]", "..."}, "Introduces a new scope in which a given set of local bindings are used.", true)
|
|
local function get_prev_line(parent)
|
|
if ("table" == type(parent)) then
|
|
return get_prev_line((parent.leaf or parent[#parent]))
|
|
else
|
|
return (parent or "")
|
|
end
|
|
end
|
|
local function needs_separator_3f(root, prev_line)
|
|
return (root:match("^%(") and prev_line and not prev_line:find(" end$"))
|
|
end
|
|
SPECIALS.tset = function(ast, scope, parent)
|
|
compiler.assert((3 < #ast), "expected table, key, and value arguments", ast)
|
|
compiler.assert(((type(ast[2]) ~= "boolean") and (type(ast[2]) ~= "number")), "cannot set field of literal value", ast)
|
|
local root = str1(compiler.compile1(ast[2], scope, parent, {nval = 1}))
|
|
local root0 = nil
|
|
if root:match("^[.{\"]") then
|
|
root0 = string.format("(%s)", root)
|
|
else
|
|
root0 = root
|
|
end
|
|
local keys = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i = 3, (#ast - 1) do
|
|
local val_19_ = str1(compiler.compile1(ast[i], scope, parent, {nval = 1}))
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
keys = tbl_17_
|
|
end
|
|
local value = str1(compiler.compile1(ast[#ast], scope, parent, {nval = 1}))
|
|
local fmtstr = nil
|
|
if needs_separator_3f(root0, get_prev_line(parent)) then
|
|
fmtstr = "do end %s[%s] = %s"
|
|
else
|
|
fmtstr = "%s[%s] = %s"
|
|
end
|
|
return compiler.emit(parent, fmtstr:format(root0, table.concat(keys, "]["), value), ast)
|
|
end
|
|
doc_special("tset", {"tbl", "key1", "...", "keyN", "val"}, "Set the value of a table field. Deprecated in favor of set.")
|
|
local function calculate_if_target(scope, opts)
|
|
if not (opts.tail or opts.target or opts.nval) then
|
|
return "iife", true, nil
|
|
elseif (opts.nval and (opts.nval ~= 0) and not opts.target) then
|
|
local accum = {}
|
|
local target_exprs = {}
|
|
for i = 1, opts.nval do
|
|
local s = compiler.gensym(scope)
|
|
accum[i] = s
|
|
target_exprs[i] = utils.expr(s, "sym")
|
|
end
|
|
return "target", opts.tail, table.concat(accum, ", "), target_exprs
|
|
else
|
|
return "none", opts.tail, opts.target
|
|
end
|
|
end
|
|
local function if_2a(ast, scope, parent, opts)
|
|
compiler.assert((2 < #ast), "expected condition and body", ast)
|
|
if ((1 == (#ast % 2)) and (ast[(#ast - 1)] == true)) then
|
|
table.remove(ast, (#ast - 1))
|
|
end
|
|
if (1 == (#ast % 2)) then
|
|
table.insert(ast, utils.sym("nil"))
|
|
end
|
|
if (#ast == 2) then
|
|
return SPECIALS["do"](utils.list(utils.sym("do"), ast[2]), scope, parent, opts)
|
|
else
|
|
local do_scope = compiler["make-scope"](scope)
|
|
local branches = {}
|
|
local wrapper, inner_tail, inner_target, target_exprs = calculate_if_target(scope, opts)
|
|
local body_opts = {nval = opts.nval, tail = inner_tail, target = inner_target}
|
|
local function compile_body(i)
|
|
local chunk = {}
|
|
local cscope = compiler["make-scope"](do_scope)
|
|
compiler["keep-side-effects"](compiler.compile1(ast[i], cscope, chunk, body_opts), chunk, nil, ast[i])
|
|
return {chunk = chunk, scope = cscope}
|
|
end
|
|
for i = 2, (#ast - 1), 2 do
|
|
local condchunk = {}
|
|
local _560_ = compiler.compile1(ast[i], do_scope, condchunk, {nval = 1})
|
|
local cond = _560_[1]
|
|
local branch = compile_body((i + 1))
|
|
branch.cond = cond
|
|
branch.condchunk = condchunk
|
|
branch.nested = ((i ~= 2) and (next(condchunk, nil) == nil))
|
|
table.insert(branches, branch)
|
|
end
|
|
local else_branch = compile_body(#ast)
|
|
local s = compiler.gensym(scope)
|
|
local buffer = {}
|
|
local last_buffer = buffer
|
|
for i = 1, #branches do
|
|
local branch = branches[i]
|
|
local fstr = nil
|
|
if not branch.nested then
|
|
fstr = "if %s then"
|
|
else
|
|
fstr = "elseif %s then"
|
|
end
|
|
local cond = tostring(branch.cond)
|
|
local cond_line = fstr:format(cond)
|
|
if branch.nested then
|
|
compiler.emit(last_buffer, branch.condchunk, ast)
|
|
else
|
|
for _, v in ipairs(branch.condchunk) do
|
|
compiler.emit(last_buffer, v, ast)
|
|
end
|
|
end
|
|
compiler.emit(last_buffer, cond_line, ast)
|
|
compiler.emit(last_buffer, branch.chunk, ast)
|
|
if (i == #branches) then
|
|
compiler.emit(last_buffer, "else", ast)
|
|
compiler.emit(last_buffer, else_branch.chunk, ast)
|
|
compiler.emit(last_buffer, "end", ast)
|
|
elseif not branches[(i + 1)].nested then
|
|
local next_buffer = {}
|
|
compiler.emit(last_buffer, "else", ast)
|
|
compiler.emit(last_buffer, next_buffer, ast)
|
|
compiler.emit(last_buffer, "end", ast)
|
|
last_buffer = next_buffer
|
|
end
|
|
end
|
|
if (wrapper == "iife") then
|
|
local iifeargs = ((scope.vararg and "...") or "")
|
|
compiler.emit(parent, ("local function %s(%s)"):format(tostring(s), iifeargs), ast)
|
|
compiler.emit(parent, buffer, ast)
|
|
compiler.emit(parent, "end", ast)
|
|
return utils.expr(("%s(%s)"):format(tostring(s), iifeargs), "statement")
|
|
elseif (wrapper == "none") then
|
|
for i = 1, #buffer do
|
|
compiler.emit(parent, buffer[i], ast)
|
|
end
|
|
return {returned = true}
|
|
else
|
|
compiler.emit(parent, ("local %s"):format(inner_target), ast)
|
|
for i = 1, #buffer do
|
|
compiler.emit(parent, buffer[i], ast)
|
|
end
|
|
return target_exprs
|
|
end
|
|
end
|
|
end
|
|
SPECIALS["if"] = if_2a
|
|
doc_special("if", {"cond1", "body1", "...", "condN", "bodyN"}, "Conditional form.\nTakes any number of condition/body pairs and evaluates the first body where\nthe condition evaluates to truthy. Similar to cond in other lisps.")
|
|
local function clause_3f(v)
|
|
return (utils["string?"](v) or (utils["sym?"](v) and not utils["multi-sym?"](v) and tostring(v):match("^&(.+)")))
|
|
end
|
|
local function remove_until_condition(bindings, ast)
|
|
local _until = nil
|
|
for i = (#bindings - 1), 3, -1 do
|
|
local _566_0 = clause_3f(bindings[i])
|
|
if ((_566_0 == false) or (_566_0 == nil)) then
|
|
elseif (nil ~= _566_0) then
|
|
local clause = _566_0
|
|
compiler.assert(((clause == "until") and not _until), ("unexpected iterator clause: " .. clause), ast)
|
|
table.remove(bindings, i)
|
|
_until = table.remove(bindings, i)
|
|
end
|
|
end
|
|
return _until
|
|
end
|
|
local function compile_until(_3fcondition, scope, chunk)
|
|
if _3fcondition then
|
|
local _568_ = compiler.compile1(_3fcondition, scope, chunk, {nval = 1})
|
|
local condition_lua = _568_[1]
|
|
return compiler.emit(chunk, ("if %s then break end"):format(tostring(condition_lua)), utils.expr(_3fcondition, "expression"))
|
|
end
|
|
end
|
|
local function iterator_bindings(ast)
|
|
local bindings = utils.copy(ast)
|
|
local _3funtil = remove_until_condition(bindings, ast)
|
|
local iter = table.remove(bindings)
|
|
local bindings0 = nil
|
|
if (1 == #bindings) then
|
|
bindings0 = (utils["list?"](bindings[1]) or bindings)
|
|
else
|
|
for _, b in ipairs(bindings) do
|
|
if utils["list?"](b) then
|
|
utils.warn("unexpected parens in iterator", b)
|
|
end
|
|
end
|
|
bindings0 = bindings
|
|
end
|
|
return bindings0, iter, _3funtil
|
|
end
|
|
SPECIALS.each = function(ast, scope, parent)
|
|
compiler.assert((3 <= #ast), "expected body expression", ast[1])
|
|
compiler.assert(utils["table?"](ast[2]), "expected binding table", ast)
|
|
local sub_scope = compiler["make-scope"](scope)
|
|
local binding, iter, _3funtil_condition = iterator_bindings(ast[2])
|
|
local destructures = {}
|
|
local deferred_scope_changes = {manglings = {}, symmeta = {}}
|
|
utils.hook("pre-each", ast, sub_scope, binding, iter, _3funtil_condition)
|
|
local function destructure_binding(v)
|
|
if utils["sym?"](v) then
|
|
return compiler["declare-local"](v, sub_scope, ast, nil, deferred_scope_changes)
|
|
else
|
|
local raw = utils.sym(compiler.gensym(sub_scope))
|
|
destructures[raw] = v
|
|
return compiler["declare-local"](raw, sub_scope, ast)
|
|
end
|
|
end
|
|
local bind_vars = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, b in ipairs(binding) do
|
|
local val_19_ = destructure_binding(b)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
bind_vars = tbl_17_
|
|
end
|
|
local vals = compiler.compile1(iter, scope, parent)
|
|
local val_names = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, v in ipairs(vals) do
|
|
local val_19_ = tostring(v)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
val_names = tbl_17_
|
|
end
|
|
local chunk = {}
|
|
compiler.assert(bind_vars[1], "expected binding and iterator", ast)
|
|
compiler.emit(parent, ("for %s in %s do"):format(table.concat(bind_vars, ", "), table.concat(val_names, ", ")), ast)
|
|
for raw, args in utils.stablepairs(destructures) do
|
|
compiler.destructure(args, raw, ast, sub_scope, chunk, {declaration = true, nomulti = true, symtype = "each"})
|
|
end
|
|
compiler["apply-deferred-scope-changes"](sub_scope, deferred_scope_changes, ast)
|
|
compile_until(_3funtil_condition, sub_scope, chunk)
|
|
compile_do(ast, sub_scope, chunk, 3)
|
|
compiler.emit(parent, chunk, ast)
|
|
return compiler.emit(parent, "end", ast)
|
|
end
|
|
doc_special("each", {"[key value (iterator)]", "..."}, "Runs the body once for each set of values provided by the given iterator.\nMost commonly used with ipairs for sequential tables or pairs for undefined\norder, but can be used with any iterator.", true)
|
|
local function while_2a(ast, scope, parent)
|
|
local len1 = #parent
|
|
local condition = compiler.compile1(ast[2], scope, parent, {nval = 1})[1]
|
|
local len2 = #parent
|
|
local sub_chunk = {}
|
|
if (len1 ~= len2) then
|
|
for i = (len1 + 1), len2 do
|
|
table.insert(sub_chunk, parent[i])
|
|
parent[i] = nil
|
|
end
|
|
compiler.emit(parent, "while true do", ast)
|
|
compiler.emit(sub_chunk, ("if not %s then break end"):format(condition[1]), ast)
|
|
else
|
|
compiler.emit(parent, ("while " .. tostring(condition) .. " do"), ast)
|
|
end
|
|
compile_do(ast, compiler["make-scope"](scope), sub_chunk, 3)
|
|
compiler.emit(parent, sub_chunk, ast)
|
|
return compiler.emit(parent, "end", ast)
|
|
end
|
|
SPECIALS["while"] = while_2a
|
|
doc_special("while", {"condition", "..."}, "The classic while loop. Evaluates body until a condition is non-truthy.", true)
|
|
local function for_2a(ast, scope, parent)
|
|
compiler.assert(utils["table?"](ast[2]), "expected binding table", ast)
|
|
local ranges = setmetatable(utils.copy(ast[2]), getmetatable(ast[2]))
|
|
local until_condition = remove_until_condition(ranges, ast)
|
|
local binding_sym = table.remove(ranges, 1)
|
|
local sub_scope = compiler["make-scope"](scope)
|
|
local range_args = {}
|
|
local chunk = {}
|
|
compiler.assert(utils["sym?"](binding_sym), ("unable to bind %s %s"):format(type(binding_sym), tostring(binding_sym)), ast[2])
|
|
compiler.assert((3 <= #ast), "expected body expression", ast[1])
|
|
compiler.assert((#ranges <= 3), "unexpected arguments", ranges)
|
|
compiler.assert((1 < #ranges), "expected range to include start and stop", ranges)
|
|
utils.hook("pre-for", ast, sub_scope, binding_sym)
|
|
for i = 1, math.min(#ranges, 3) do
|
|
range_args[i] = str1(compiler.compile1(ranges[i], scope, parent, {nval = 1}))
|
|
end
|
|
compiler.emit(parent, ("for %s = %s do"):format(compiler["declare-local"](binding_sym, sub_scope, ast), table.concat(range_args, ", ")), ast)
|
|
compile_until(until_condition, sub_scope, chunk)
|
|
compile_do(ast, sub_scope, chunk, 3)
|
|
compiler.emit(parent, chunk, ast)
|
|
return compiler.emit(parent, "end", ast)
|
|
end
|
|
SPECIALS["for"] = for_2a
|
|
doc_special("for", {"[index start stop step?]", "..."}, "Numeric loop construct.\nEvaluates body once for each value between start and stop (inclusive).", true)
|
|
local function method_special_type(ast)
|
|
if (utils["string?"](ast[3]) and utils["valid-lua-identifier?"](ast[3])) then
|
|
return "native"
|
|
elseif utils["sym?"](ast[2]) then
|
|
return "nonnative"
|
|
else
|
|
return "binding"
|
|
end
|
|
end
|
|
local function native_method_call(ast, _scope, _parent, target, args)
|
|
local _577_ = ast
|
|
local _ = _577_[1]
|
|
local _0 = _577_[2]
|
|
local method_string = _577_[3]
|
|
local call_string = nil
|
|
if ((target.type == "literal") or (target.type == "varg") or ((target.type == "expression") and not (target[1]):match("[%)%]]$") and not (target[1]):match("%.[%a_][%w_]*$"))) then
|
|
call_string = "(%s):%s(%s)"
|
|
else
|
|
call_string = "%s:%s(%s)"
|
|
end
|
|
return utils.expr(string.format(call_string, tostring(target), method_string, table.concat(args, ", ")), "statement")
|
|
end
|
|
local function nonnative_method_call(ast, scope, parent, target, args)
|
|
local method_string = str1(compiler.compile1(ast[3], scope, parent, {nval = 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 binding_method_call(ast, scope, parent, target, args)
|
|
local method_string = str1(compiler.compile1(ast[3], scope, parent, {nval = 1}))
|
|
local target_local = compiler.gensym(scope, "tgt")
|
|
local args0 = {target_local, unpack(args)}
|
|
compiler.emit(parent, string.format("local %s = %s", target_local, tostring(target)))
|
|
return utils.expr(string.format("(%s)[%s](%s)", target_local, method_string, table.concat(args0, ", ")), "statement")
|
|
end
|
|
local function method_call(ast, scope, parent)
|
|
compiler.assert((2 < #ast), "expected at least 2 arguments", ast)
|
|
local _579_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
|
|
local target = _579_[1]
|
|
local args = {}
|
|
for i = 4, #ast do
|
|
local subexprs = nil
|
|
local _580_
|
|
if (i ~= #ast) then
|
|
_580_ = 1
|
|
else
|
|
_580_ = nil
|
|
end
|
|
subexprs = compiler.compile1(ast[i], scope, parent, {nval = _580_})
|
|
local tbl_17_ = args
|
|
local i_18_ = #tbl_17_
|
|
for _, subexpr in ipairs(subexprs) do
|
|
local val_19_ = tostring(subexpr)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
end
|
|
local _583_0 = method_special_type(ast)
|
|
if (_583_0 == "native") then
|
|
return native_method_call(ast, scope, parent, target, args)
|
|
elseif (_583_0 == "nonnative") then
|
|
return nonnative_method_call(ast, scope, parent, target, args)
|
|
elseif (_583_0 == "binding") then
|
|
return binding_method_call(ast, scope, parent, target, args)
|
|
end
|
|
end
|
|
SPECIALS[":"] = method_call
|
|
doc_special(":", {"tbl", "method-name", "..."}, "Call the named method on tbl with the provided args.\nMethod name doesn't have to be known at compile-time; if it is, use\n(tbl:method-name ...) instead.")
|
|
SPECIALS.comment = function(ast, _, parent)
|
|
local c = nil
|
|
local _585_
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i, elt in ipairs(ast) do
|
|
local val_19_ = nil
|
|
if (i ~= 1) then
|
|
val_19_ = view(elt, {["one-line?"] = true})
|
|
else
|
|
val_19_ = nil
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
_585_ = tbl_17_
|
|
end
|
|
c = table.concat(_585_, " "):gsub("%]%]", "]\\]")
|
|
return compiler.emit(parent, ("--[[ " .. c .. " ]]"), 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
|
|
if f_scope.symmeta[("$" .. i)].used then
|
|
max0 = i
|
|
else
|
|
max0 = max
|
|
end
|
|
if (i < 9) then
|
|
return hashfn_max_used(f_scope, (i + 1), max0)
|
|
else
|
|
return max0
|
|
end
|
|
end
|
|
SPECIALS.hashfn = function(ast, scope, parent)
|
|
compiler.assert((#ast == 2), "expected one argument", ast)
|
|
local f_scope = nil
|
|
do
|
|
local _590_0 = compiler["make-scope"](scope)
|
|
_590_0["vararg"] = false
|
|
_590_0["hashfn"] = true
|
|
f_scope = _590_0
|
|
end
|
|
local f_chunk = {}
|
|
local name = compiler.gensym(scope)
|
|
local symbol = utils.sym(name)
|
|
local args = {}
|
|
compiler["declare-local"](symbol, scope, ast)
|
|
for i = 1, 9 do
|
|
args[i] = compiler["declare-local"](utils.sym(("$" .. i)), f_scope, ast)
|
|
end
|
|
local function walker(idx, node, _3fparent_node)
|
|
if utils["sym?"](node, "$...") then
|
|
f_scope.vararg = true
|
|
if _3fparent_node then
|
|
_3fparent_node[idx] = utils.varg()
|
|
return nil
|
|
else
|
|
return utils.varg()
|
|
end
|
|
else
|
|
return ((utils["list?"](node) and (not _3fparent_node or not utils["sym?"](node[1], "hashfn"))) or utils["table?"](node))
|
|
end
|
|
end
|
|
utils["walk-tree"](ast, walker)
|
|
compiler.compile1(ast[2], f_scope, f_chunk, {tail = true})
|
|
local max_used = hashfn_max_used(f_scope, 1, 0)
|
|
if f_scope.vararg then
|
|
compiler.assert((max_used == 0), "$ and $... in hashfn are mutually exclusive", ast)
|
|
end
|
|
local arg_str = nil
|
|
if f_scope.vararg then
|
|
arg_str = tostring(utils.varg())
|
|
else
|
|
arg_str = table.concat(args, ", ", 1, max_used)
|
|
end
|
|
compiler.emit(parent, string.format("local function %s(%s)", name, arg_str), ast)
|
|
compiler.emit(parent, f_chunk, ast)
|
|
compiler.emit(parent, "end", ast)
|
|
return utils.expr(name, "sym")
|
|
end
|
|
doc_special("hashfn", {"..."}, "Function literal shorthand; args are either $... OR $1, $2, etc.")
|
|
local function comparator_special_type(ast)
|
|
if (3 == #ast) then
|
|
return "native"
|
|
elseif utils["every?"]({unpack(ast, 3, (#ast - 1))}, utils["idempotent-expr?"]) then
|
|
return "idempotent"
|
|
else
|
|
return "binding"
|
|
end
|
|
end
|
|
local function short_circuit_safe_3f(x, scope)
|
|
if (("table" ~= type(x)) or utils["sym?"](x) or utils["varg?"](x)) then
|
|
return true
|
|
elseif utils["table?"](x) then
|
|
local ok = true
|
|
for k, v in pairs(x) do
|
|
if not ok then break end
|
|
ok = (short_circuit_safe_3f(v, scope) and short_circuit_safe_3f(k, scope))
|
|
end
|
|
return ok
|
|
elseif utils["list?"](x) then
|
|
if utils["sym?"](x[1]) then
|
|
local _596_0 = str1(x)
|
|
if ((_596_0 == "fn") or (_596_0 == "hashfn") or (_596_0 == "let") or (_596_0 == "local") or (_596_0 == "var") or (_596_0 == "set") or (_596_0 == "tset") or (_596_0 == "if") or (_596_0 == "each") or (_596_0 == "for") or (_596_0 == "while") or (_596_0 == "do") or (_596_0 == "lua") or (_596_0 == "global")) then
|
|
return false
|
|
elseif (((_596_0 == "<") or (_596_0 == ">") or (_596_0 == "<=") or (_596_0 == ">=") or (_596_0 == "=") or (_596_0 == "not=") or (_596_0 == "~=")) and (comparator_special_type(x) == "binding")) then
|
|
return false
|
|
else
|
|
local function _597_()
|
|
return (1 ~= x[2])
|
|
end
|
|
if ((_596_0 == "pick-values") and _597_()) then
|
|
return false
|
|
else
|
|
local function _598_()
|
|
local call = _596_0
|
|
return scope.macros[call]
|
|
end
|
|
if ((nil ~= _596_0) and _598_()) then
|
|
local call = _596_0
|
|
return false
|
|
else
|
|
local function _599_()
|
|
return (method_special_type(x) == "binding")
|
|
end
|
|
if ((_596_0 == ":") and _599_()) then
|
|
return false
|
|
else
|
|
local _ = _596_0
|
|
local ok = true
|
|
for i = 2, #x do
|
|
if not ok then break end
|
|
ok = short_circuit_safe_3f(x[i], scope)
|
|
end
|
|
return ok
|
|
end
|
|
end
|
|
end
|
|
end
|
|
else
|
|
local ok = true
|
|
for _, v in ipairs(x) do
|
|
if not ok then break end
|
|
ok = short_circuit_safe_3f(v, scope)
|
|
end
|
|
return ok
|
|
end
|
|
end
|
|
end
|
|
local function operator_special_result(ast, zero_arity, unary_prefix, padded_op, operands)
|
|
local _603_0 = #operands
|
|
if (_603_0 == 0) then
|
|
if zero_arity then
|
|
return utils.expr(zero_arity, "literal")
|
|
else
|
|
return compiler.assert(false, "Expected more than 0 arguments", ast)
|
|
end
|
|
elseif (_603_0 == 1) then
|
|
if unary_prefix then
|
|
return ("(" .. unary_prefix .. padded_op .. operands[1] .. ")")
|
|
else
|
|
return operands[1]
|
|
end
|
|
else
|
|
local _ = _603_0
|
|
return ("(" .. table.concat(operands, padded_op) .. ")")
|
|
end
|
|
end
|
|
local function emit_short_circuit_if(ast, scope, parent, name, subast, accumulator, expr_string, setter)
|
|
if (accumulator ~= expr_string) then
|
|
compiler.emit(parent, string.format(setter, accumulator, expr_string), ast)
|
|
end
|
|
local function _608_()
|
|
if (name == "and") then
|
|
return accumulator
|
|
else
|
|
return ("not " .. accumulator)
|
|
end
|
|
end
|
|
compiler.emit(parent, ("if %s then"):format(_608_()), subast)
|
|
do
|
|
local chunk = {}
|
|
compiler.compile1(subast, scope, chunk, {nval = 1, target = accumulator})
|
|
compiler.emit(parent, chunk)
|
|
end
|
|
return compiler.emit(parent, "end")
|
|
end
|
|
local function operator_special(name, zero_arity, unary_prefix, ast, scope, parent)
|
|
compiler.assert(not ((#ast == 2) and utils["varg?"](ast[2])), "tried to use vararg with operator", ast)
|
|
local padded_op = (" " .. name .. " ")
|
|
local operands, accumulator = {}
|
|
if utils["call-of?"](ast[#ast], "values") then
|
|
utils.warn("multiple values in operators are deprecated", ast)
|
|
end
|
|
for subast in iter_args(ast) do
|
|
if ((nil ~= next(operands)) and ((name == "or") or (name == "and")) and not short_circuit_safe_3f(subast, scope)) then
|
|
local expr_string = table.concat(operands, padded_op)
|
|
local setter = nil
|
|
if accumulator then
|
|
setter = "%s = %s"
|
|
else
|
|
setter = "local %s = %s"
|
|
end
|
|
if not accumulator then
|
|
accumulator = compiler.gensym(scope, name)
|
|
end
|
|
emit_short_circuit_if(ast, scope, parent, name, subast, accumulator, expr_string, setter)
|
|
operands = {accumulator}
|
|
else
|
|
table.insert(operands, str1(compiler.compile1(subast, scope, parent, {nval = 1})))
|
|
end
|
|
end
|
|
return operator_special_result(ast, zero_arity, unary_prefix, padded_op, operands)
|
|
end
|
|
local function define_arithmetic_special(name, zero_arity, unary_prefix, _3flua_name)
|
|
local _614_
|
|
do
|
|
local _613_0 = (_3flua_name or name)
|
|
local function _615_(...)
|
|
return operator_special(_613_0, zero_arity, unary_prefix, ...)
|
|
end
|
|
_614_ = _615_
|
|
end
|
|
SPECIALS[name] = _614_
|
|
return doc_special(name, {"a", "b", "..."}, "Arithmetic operator; works the same as Lua but accepts more arguments.")
|
|
end
|
|
define_arithmetic_special("+", "0", "0")
|
|
define_arithmetic_special("..", "''")
|
|
define_arithmetic_special("^")
|
|
define_arithmetic_special("-", nil, "")
|
|
define_arithmetic_special("*", "1", "1")
|
|
define_arithmetic_special("%")
|
|
define_arithmetic_special("/", nil, "1")
|
|
define_arithmetic_special("//", nil, "1")
|
|
SPECIALS["or"] = function(ast, scope, parent)
|
|
return operator_special("or", "false", nil, ast, scope, parent)
|
|
end
|
|
SPECIALS["and"] = function(ast, scope, parent)
|
|
return operator_special("and", "true", nil, ast, scope, parent)
|
|
end
|
|
doc_special("and", {"a", "b", "..."}, "Boolean operator; works the same as Lua but accepts more arguments.")
|
|
doc_special("or", {"a", "b", "..."}, "Boolean operator; works the same as Lua but accepts more arguments.")
|
|
local function bitop_special(native_name, lib_name, zero_arity, unary_prefix, ast, scope, parent)
|
|
if (#ast == 1) then
|
|
return compiler.assert(zero_arity, "Expected more than 0 arguments.", ast)
|
|
else
|
|
local len = #ast
|
|
local operands = {}
|
|
local padded_native_name = (" " .. native_name .. " ")
|
|
local prefixed_lib_name = ("bit." .. lib_name)
|
|
for i = 2, len do
|
|
local subexprs = nil
|
|
local _616_
|
|
if (i ~= len) then
|
|
_616_ = 1
|
|
else
|
|
_616_ = nil
|
|
end
|
|
subexprs = compiler.compile1(ast[i], scope, parent, {nval = _616_})
|
|
local tbl_17_ = operands
|
|
local i_18_ = #tbl_17_
|
|
for _, s in ipairs(subexprs) do
|
|
local val_19_ = tostring(s)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
end
|
|
if (#operands == 1) then
|
|
if utils.root.options.useBitLib then
|
|
return (prefixed_lib_name .. "(" .. unary_prefix .. ", " .. operands[1] .. ")")
|
|
else
|
|
return ("(" .. unary_prefix .. padded_native_name .. operands[1] .. ")")
|
|
end
|
|
else
|
|
if utils.root.options.useBitLib then
|
|
return (prefixed_lib_name .. "(" .. table.concat(operands, ", ") .. ")")
|
|
else
|
|
return ("(" .. table.concat(operands, padded_native_name) .. ")")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
local function define_bitop_special(name, zero_arity, unary_prefix, native)
|
|
local function _623_(...)
|
|
return bitop_special(native, name, zero_arity, unary_prefix, ...)
|
|
end
|
|
SPECIALS[name] = _623_
|
|
return nil
|
|
end
|
|
define_bitop_special("lshift", nil, "1", "<<")
|
|
define_bitop_special("rshift", nil, "1", ">>")
|
|
define_bitop_special("band", "-1", "-1", "&")
|
|
define_bitop_special("bor", "0", "0", "|")
|
|
define_bitop_special("bxor", "0", "0", "~")
|
|
doc_special("lshift", {"x", "n"}, "Bitwise logical left shift of x by n bits.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
|
|
doc_special("rshift", {"x", "n"}, "Bitwise logical right shift of x by n bits.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
|
|
doc_special("band", {"x1", "x2", "..."}, "Bitwise AND of any number of arguments.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
|
|
doc_special("bor", {"x1", "x2", "..."}, "Bitwise OR of any number of arguments.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
|
|
doc_special("bxor", {"x1", "x2", "..."}, "Bitwise XOR of any number of arguments.\nOnly works in Lua 5.3+ or LuaJIT with the --use-bit-lib flag.")
|
|
SPECIALS.bnot = function(ast, scope, parent)
|
|
compiler.assert((#ast == 2), "expected one argument", ast)
|
|
local _624_ = compiler.compile1(ast[2], scope, parent, {nval = 1})
|
|
local value = _624_[1]
|
|
if utils.root.options.useBitLib then
|
|
return ("bit.bnot(" .. tostring(value) .. ")")
|
|
else
|
|
return ("~(" .. tostring(value) .. ")")
|
|
end
|
|
end
|
|
doc_special("bnot", {"x"}, "Bitwise negation; only 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, _626_0, scope, parent)
|
|
local _627_ = _626_0
|
|
local _ = _627_[1]
|
|
local lhs_ast = _627_[2]
|
|
local rhs_ast = _627_[3]
|
|
local _628_ = compiler.compile1(lhs_ast, scope, parent, {nval = 1})
|
|
local lhs = _628_[1]
|
|
local _629_ = compiler.compile1(rhs_ast, scope, parent, {nval = 1})
|
|
local rhs = _629_[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 = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i = 2, #ast do
|
|
local val_19_ = str1(compiler.compile1(ast[i], scope, parent, {nval = 1}))
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
vals = tbl_17_
|
|
end
|
|
local comparisons = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i = 1, (#vals - 1) do
|
|
local val_19_ = string.format("(%s %s %s)", vals[i], op, vals[(i + 1)])
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
comparisons = tbl_17_
|
|
end
|
|
local chain = string.format(" %s ", (chain_op or "and"))
|
|
return ("(" .. table.concat(comparisons, chain) .. ")")
|
|
end
|
|
local function binding_comparator(op, chain_op, ast, scope, parent)
|
|
local binding_left = {}
|
|
local binding_right = {}
|
|
local vals = {}
|
|
local chain = string.format(" %s ", (chain_op or "and"))
|
|
for i = 2, #ast do
|
|
local compiled = str1(compiler.compile1(ast[i], scope, parent, {nval = 1}))
|
|
if (utils["idempotent-expr?"](ast[i]) or (i == 2) or (i == #ast)) then
|
|
table.insert(vals, compiled)
|
|
else
|
|
local my_sym = compiler.gensym(scope)
|
|
table.insert(binding_left, my_sym)
|
|
table.insert(binding_right, compiled)
|
|
table.insert(vals, my_sym)
|
|
end
|
|
end
|
|
compiler.emit(parent, string.format("local %s = %s", table.concat(binding_left, ", "), table.concat(binding_right, ", "), ast))
|
|
local _633_
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i = 1, (#vals - 1) do
|
|
local val_19_ = string.format("(%s %s %s)", vals[i], op, vals[(i + 1)])
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
_633_ = tbl_17_
|
|
end
|
|
return ("(" .. table.concat(_633_, chain) .. ")")
|
|
end
|
|
local function define_comparator_special(name, _3flua_op, _3fchain_op)
|
|
do
|
|
local op = (_3flua_op or name)
|
|
local function opfn(ast, scope, parent)
|
|
compiler.assert((2 < #ast), "expected at least two arguments", ast)
|
|
local _635_0 = comparator_special_type(ast)
|
|
if (_635_0 == "native") then
|
|
return native_comparator(op, ast, scope, parent)
|
|
elseif (_635_0 == "idempotent") then
|
|
return idempotent_comparator(op, _3fchain_op, ast, scope, parent)
|
|
elseif (_635_0 == "binding") then
|
|
return binding_comparator(op, _3fchain_op, ast, scope, parent)
|
|
else
|
|
local _ = _635_0
|
|
return error("internal compiler error. please report this to the fennel devs.")
|
|
end
|
|
end
|
|
SPECIALS[name] = opfn
|
|
end
|
|
return doc_special(name, {"a", "b", "..."}, "Comparison operator; works the same as Lua but accepts more arguments.")
|
|
end
|
|
define_comparator_special(">")
|
|
define_comparator_special("<")
|
|
define_comparator_special(">=")
|
|
define_comparator_special("<=")
|
|
define_comparator_special("=", "==")
|
|
define_comparator_special("not=", "~=", "or")
|
|
local function define_unary_special(op, _3frealop)
|
|
local function opfn(ast, scope, parent)
|
|
compiler.assert((#ast == 2), "expected one argument", ast)
|
|
local tail = compiler.compile1(ast[2], scope, parent, {nval = 1})
|
|
return ((_3frealop or op) .. str1(tail))
|
|
end
|
|
SPECIALS[op] = opfn
|
|
return nil
|
|
end
|
|
define_unary_special("not", "not ")
|
|
doc_special("not", {"x"}, "Logical operator; works the same as Lua.")
|
|
define_unary_special("length", "#")
|
|
doc_special("length", {"x"}, "Returns the length of a table or string.")
|
|
SPECIALS["~="] = SPECIALS["not="]
|
|
SPECIALS["#"] = SPECIALS.length
|
|
local function compile_time_3f(scope)
|
|
return ((scope == compiler.scopes.compiler) or (scope.parent and compile_time_3f(scope.parent)))
|
|
end
|
|
SPECIALS.quote = function(ast, scope, parent)
|
|
compiler.assert((#ast == 2), "expected one argument", ast)
|
|
return compiler["do-quote"](ast[2], scope, parent, not compile_time_3f(scope))
|
|
end
|
|
doc_special("quote", {"x"}, "Quasiquote the following form. Only works in macro/compiler scope.")
|
|
local macro_loaded = {}
|
|
local function safe_getmetatable(tbl)
|
|
local mt = getmetatable(tbl)
|
|
assert((mt ~= getmetatable("")), "Illegal metatable access!")
|
|
return mt
|
|
end
|
|
local safe_require = nil
|
|
local function safe_compiler_env()
|
|
local _638_
|
|
do
|
|
local _637_0 = rawget(_G, "utf8")
|
|
if (nil ~= _637_0) then
|
|
_638_ = utils.copy(_637_0)
|
|
else
|
|
_638_ = _637_0
|
|
end
|
|
end
|
|
return {_VERSION = _VERSION, assert = assert, bit = rawget(_G, "bit"), error = error, getmetatable = safe_getmetatable, ipairs = ipairs, math = utils.copy(math), next = next, pairs = utils.stablepairs, 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, utf8 = _638_, xpcall = xpcall}
|
|
end
|
|
local function combined_mt_pairs(env)
|
|
local combined = {}
|
|
local _640_ = getmetatable(env)
|
|
local __index = _640_["__index"]
|
|
if ("table" == type(__index)) then
|
|
for k, v in pairs(__index) do
|
|
combined[k] = v
|
|
end
|
|
end
|
|
for k, v in next, env, nil do
|
|
combined[k] = v
|
|
end
|
|
return next, combined, nil
|
|
end
|
|
local function make_compiler_env(ast, scope, parent, _3fopts)
|
|
local provided = nil
|
|
do
|
|
local _642_0 = (_3fopts or utils.root.options)
|
|
if ((_G.type(_642_0) == "table") and (_642_0["compiler-env"] == "strict")) then
|
|
provided = safe_compiler_env()
|
|
elseif ((_G.type(_642_0) == "table") and (nil ~= _642_0.compilerEnv)) then
|
|
local compilerEnv = _642_0.compilerEnv
|
|
provided = compilerEnv
|
|
elseif ((_G.type(_642_0) == "table") and (nil ~= _642_0["compiler-env"])) then
|
|
local compiler_env = _642_0["compiler-env"]
|
|
provided = compiler_env
|
|
else
|
|
local _ = _642_0
|
|
provided = safe_compiler_env()
|
|
end
|
|
end
|
|
local env = nil
|
|
local function _644_()
|
|
return compiler.scopes.macro
|
|
end
|
|
local function _645_(symbol)
|
|
compiler.assert(compiler.scopes.macro, "must call from macro", ast)
|
|
return compiler.scopes.macro.manglings[tostring(symbol)]
|
|
end
|
|
local function _646_(base)
|
|
return utils.sym(compiler.gensym((compiler.scopes.macro or scope), base))
|
|
end
|
|
local function _647_(form)
|
|
compiler.assert(compiler.scopes.macro, "must call from macro", ast)
|
|
return compiler.macroexpand(form, compiler.scopes.macro)
|
|
end
|
|
env = {["assert-compile"] = compiler.assert, ["ast-source"] = utils["ast-source"], ["comment?"] = utils["comment?"], ["fennel-module-name"] = fennel_module_name, ["get-scope"] = _644_, ["in-scope?"] = _645_, ["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(), comment = utils.comment, gensym = _646_, list = utils.list, macroexpand = _647_, pack = pack, sequence = utils.sequence, sym = utils.sym, unpack = unpack, version = utils.version, view = view}
|
|
env._G = env
|
|
return setmetatable(env, {__index = provided, __newindex = provided, __pairs = combined_mt_pairs})
|
|
end
|
|
local function _648_(...)
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for c in string.gmatch((package.config or ""), "([^\n]+)") do
|
|
local val_19_ = c
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
return tbl_17_
|
|
end
|
|
local _650_ = _648_(...)
|
|
local dirsep = _650_[1]
|
|
local pathsep = _650_[2]
|
|
local pathmark = _650_[3]
|
|
local pkg_config = {dirsep = (dirsep or "/"), pathmark = (pathmark or "?"), pathsep = (pathsep or ";")}
|
|
local function escapepat(str)
|
|
return string.gsub(str, "[^%w]", "%%%1")
|
|
end
|
|
local function search_module(modulename, _3fpathstring)
|
|
local pathsepesc = escapepat(pkg_config.pathsep)
|
|
local pattern = ("([^%s]*)%s"):format(pathsepesc, pathsepesc)
|
|
local no_dot_module = modulename:gsub("%.", pkg_config.dirsep)
|
|
local fullpath = ((_3fpathstring or utils["fennel-module"].path) .. pkg_config.pathsep)
|
|
local function try_path(path)
|
|
local filename = path:gsub(escapepat(pkg_config.pathmark), no_dot_module)
|
|
local _651_0 = io.open(filename)
|
|
if (nil ~= _651_0) then
|
|
local file = _651_0
|
|
file:close()
|
|
return filename
|
|
else
|
|
local _ = _651_0
|
|
return nil, ("no file '" .. filename .. "'")
|
|
end
|
|
end
|
|
local function find_in_path(start, _3ftried_paths)
|
|
local _653_0 = fullpath:match(pattern, start)
|
|
if (nil ~= _653_0) then
|
|
local path = _653_0
|
|
local _654_0, _655_0 = try_path(path)
|
|
if (nil ~= _654_0) then
|
|
local filename = _654_0
|
|
return filename
|
|
elseif ((_654_0 == nil) and (nil ~= _655_0)) then
|
|
local error = _655_0
|
|
local function _657_()
|
|
local _656_0 = (_3ftried_paths or {})
|
|
table.insert(_656_0, error)
|
|
return _656_0
|
|
end
|
|
return find_in_path((start + #path + 1), _657_())
|
|
end
|
|
else
|
|
local _ = _653_0
|
|
local function _659_()
|
|
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, _659_()
|
|
end
|
|
end
|
|
return find_in_path(1)
|
|
end
|
|
local function make_searcher(_3foptions)
|
|
local function _662_(module_name)
|
|
local opts = utils.copy(utils.root.options)
|
|
for k, v in pairs((_3foptions or {})) do
|
|
opts[k] = v
|
|
end
|
|
opts["module-name"] = module_name
|
|
local _663_0, _664_0 = search_module(module_name)
|
|
if (nil ~= _663_0) then
|
|
local filename = _663_0
|
|
local function _665_(...)
|
|
return utils["fennel-module"].dofile(filename, opts, ...)
|
|
end
|
|
return _665_, filename
|
|
elseif ((_663_0 == nil) and (nil ~= _664_0)) then
|
|
local error = _664_0
|
|
return error
|
|
end
|
|
end
|
|
return _662_
|
|
end
|
|
local function dofile_with_searcher(fennel_macro_searcher, filename, opts, ...)
|
|
local searchers = (package.loaders or package.searchers or {})
|
|
local _ = table.insert(searchers, 1, fennel_macro_searcher)
|
|
local m = utils["fennel-module"].dofile(filename, opts, ...)
|
|
table.remove(searchers, 1)
|
|
return m
|
|
end
|
|
local function fennel_macro_searcher(module_name)
|
|
local opts = nil
|
|
do
|
|
local _667_0 = utils.copy(utils.root.options)
|
|
_667_0["module-name"] = module_name
|
|
_667_0["env"] = "_COMPILER"
|
|
_667_0["requireAsInclude"] = false
|
|
_667_0["allowedGlobals"] = nil
|
|
opts = _667_0
|
|
end
|
|
local _668_0 = search_module(module_name, utils["fennel-module"]["macro-path"])
|
|
if (nil ~= _668_0) then
|
|
local filename = _668_0
|
|
local _669_
|
|
if (opts["compiler-env"] == _G) then
|
|
local function _670_(...)
|
|
return dofile_with_searcher(fennel_macro_searcher, filename, opts, ...)
|
|
end
|
|
_669_ = _670_
|
|
else
|
|
local function _671_(...)
|
|
return utils["fennel-module"].dofile(filename, opts, ...)
|
|
end
|
|
_669_ = _671_
|
|
end
|
|
return _669_, filename
|
|
end
|
|
end
|
|
local function lua_macro_searcher(module_name)
|
|
local _674_0 = search_module(module_name, package.path)
|
|
if (nil ~= _674_0) then
|
|
local filename = _674_0
|
|
local code = nil
|
|
do
|
|
local f = io.open(filename)
|
|
local function close_handlers_10_(ok_11_, ...)
|
|
f:close()
|
|
if ok_11_ then
|
|
return ...
|
|
else
|
|
return error(..., 0)
|
|
end
|
|
end
|
|
local function _676_()
|
|
return assert(f:read("*a"))
|
|
end
|
|
code = close_handlers_10_(_G.xpcall(_676_, (package.loaded.fennel or debug).traceback))
|
|
end
|
|
local chunk = load_code(code, make_compiler_env(), filename)
|
|
return chunk, filename
|
|
end
|
|
end
|
|
local macro_searchers = {fennel_macro_searcher, lua_macro_searcher}
|
|
local function search_macro_module(modname, n)
|
|
local _678_0 = macro_searchers[n]
|
|
if (nil ~= _678_0) then
|
|
local f = _678_0
|
|
local _679_0, _680_0 = f(modname)
|
|
if ((nil ~= _679_0) and true) then
|
|
local loader = _679_0
|
|
local _3ffilename = _680_0
|
|
return loader, _3ffilename
|
|
else
|
|
local _ = _679_0
|
|
return search_macro_module(modname, (n + 1))
|
|
end
|
|
end
|
|
end
|
|
local function sandbox_fennel_module(modname)
|
|
if ((modname == "fennel.macros") or (package and package.loaded and ("table" == type(package.loaded[modname])) and (package.loaded[modname].metadata == compiler.metadata))) then
|
|
local function _683_(_, ...)
|
|
return (compiler.metadata):setall(...)
|
|
end
|
|
return {metadata = {setall = _683_}, view = view}
|
|
end
|
|
end
|
|
local function _685_(modname)
|
|
local function _686_()
|
|
local loader, filename = search_macro_module(modname, 1)
|
|
compiler.assert(loader, (modname .. " module not found."))
|
|
macro_loaded[modname] = loader(modname, filename)
|
|
return macro_loaded[modname]
|
|
end
|
|
return (macro_loaded[modname] or sandbox_fennel_module(modname) or _686_())
|
|
end
|
|
safe_require = _685_
|
|
local function add_macros(macros_2a, ast, scope)
|
|
compiler.assert(utils["table?"](macros_2a), "expected macros to be table", ast)
|
|
for k, v in pairs(macros_2a) do
|
|
compiler.assert((type(v) == "function"), "expected each macro to be function", ast)
|
|
compiler["check-binding-valid"](utils.sym(k), scope, ast, {["macro?"] = true})
|
|
scope.macros[k] = v
|
|
end
|
|
return nil
|
|
end
|
|
local function resolve_module_name(_687_0, _scope, _parent, opts)
|
|
local _688_ = _687_0
|
|
local second = _688_[2]
|
|
local filename = _688_["filename"]
|
|
local filename0 = (filename or (utils["table?"](second) and second.filename))
|
|
local module_name = utils.root.options["module-name"]
|
|
local modexpr = compiler.compile(second, opts)
|
|
local modname_chunk = load_code(modexpr)
|
|
return modname_chunk(module_name, filename0)
|
|
end
|
|
SPECIALS["require-macros"] = function(ast, scope, parent, _3freal_ast)
|
|
compiler.assert((#ast == 2), "Expected one module name argument", (_3freal_ast or ast))
|
|
local modname = resolve_module_name(ast, scope, parent, {})
|
|
compiler.assert(utils["string?"](modname), "module name must compile to string", (_3freal_ast or ast))
|
|
if not macro_loaded[modname] then
|
|
local loader, filename = search_macro_module(modname, 1)
|
|
compiler.assert(loader, (modname .. " module not found."), ast)
|
|
macro_loaded[modname] = compiler.assert(utils["table?"](loader(modname, filename)), "expected macros to be table", (_3freal_ast or ast))
|
|
end
|
|
if ("import-macros" == str1(ast)) then
|
|
return macro_loaded[modname]
|
|
else
|
|
return add_macros(macro_loaded[modname], ast, scope)
|
|
end
|
|
end
|
|
doc_special("require-macros", {"macro-module-name"}, "Load given module and use its contents as macro definitions in current scope.\nDeprecated.")
|
|
local function emit_included_fennel(src, path, opts, sub_chunk)
|
|
local subscope = compiler["make-scope"](utils.root.scope.parent)
|
|
local forms = {}
|
|
if utils.root.options.requireAsInclude then
|
|
subscope.specials.require = compiler["require-include"]
|
|
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
|
|
if (i == #forms) then
|
|
subopts = {tail = true}
|
|
else
|
|
subopts = {nval = 0}
|
|
end
|
|
utils["propagate-options"](opts, subopts)
|
|
compiler.compile1(forms[i], subscope, sub_chunk, subopts)
|
|
end
|
|
return nil
|
|
end
|
|
local function include_path(ast, opts, path, mod, fennel_3f)
|
|
utils.root.scope.includes[mod] = "fnl/loading"
|
|
local src = nil
|
|
do
|
|
local f = assert(io.open(path))
|
|
local function close_handlers_10_(ok_11_, ...)
|
|
f:close()
|
|
if ok_11_ then
|
|
return ...
|
|
else
|
|
return error(..., 0)
|
|
end
|
|
end
|
|
local function _694_()
|
|
return assert(f:read("*all")):gsub("[\13\n]*$", "")
|
|
end
|
|
src = close_handlers_10_(_G.xpcall(_694_, (package.loaded.fennel or debug).traceback))
|
|
end
|
|
local ret = utils.expr(("require(\"" .. mod .. "\")"), "statement")
|
|
local target = ("package.preload[%q]"):format(mod)
|
|
local preload_str = (target .. " = " .. target .. " or function(...)")
|
|
local temp_chunk, sub_chunk = {}, {}
|
|
compiler.emit(temp_chunk, preload_str, ast)
|
|
compiler.emit(temp_chunk, sub_chunk)
|
|
compiler.emit(temp_chunk, "end", ast)
|
|
for _, v in ipairs(temp_chunk) do
|
|
table.insert(utils.root.chunk, v)
|
|
end
|
|
if fennel_3f then
|
|
emit_included_fennel(src, path, opts, sub_chunk)
|
|
else
|
|
compiler.emit(sub_chunk, src, ast)
|
|
end
|
|
utils.root.scope.includes[mod] = ret
|
|
return ret
|
|
end
|
|
local function include_circular_fallback(mod, modexpr, fallback, ast)
|
|
if (utils.root.scope.includes[mod] == "fnl/loading") then
|
|
compiler.assert(fallback, "circular include detected", ast)
|
|
return fallback(modexpr)
|
|
end
|
|
end
|
|
SPECIALS.include = function(ast, scope, parent, opts)
|
|
compiler.assert((#ast == 2), "expected one argument", ast)
|
|
local modexpr = nil
|
|
do
|
|
local _697_0, _698_0 = pcall(resolve_module_name, ast, scope, parent, opts)
|
|
if ((_697_0 == true) and (nil ~= _698_0)) then
|
|
local modname = _698_0
|
|
modexpr = utils.expr(string.format("%q", modname), "literal")
|
|
else
|
|
local _ = _697_0
|
|
modexpr = compiler.compile1(ast[2], scope, parent, {nval = 1})[1]
|
|
end
|
|
end
|
|
if ((modexpr.type ~= "literal") or ((modexpr[1]):byte() ~= 34)) then
|
|
if opts.fallback then
|
|
return opts.fallback(modexpr)
|
|
else
|
|
return compiler.assert(false, "module name must be string literal", ast)
|
|
end
|
|
else
|
|
local mod = load_code(("return " .. modexpr[1]))()
|
|
local oldmod = utils.root.options["module-name"]
|
|
local _ = nil
|
|
utils.root.options["module-name"] = mod
|
|
_ = nil
|
|
local res = nil
|
|
local function _702_()
|
|
local _701_0 = search_module(mod)
|
|
if (nil ~= _701_0) then
|
|
local fennel_path = _701_0
|
|
return include_path(ast, opts, fennel_path, mod, true)
|
|
else
|
|
local _0 = _701_0
|
|
local lua_path = search_module(mod, package.path)
|
|
if lua_path then
|
|
return include_path(ast, opts, lua_path, mod, false)
|
|
elseif opts.fallback then
|
|
return opts.fallback(modexpr)
|
|
else
|
|
return compiler.assert(false, ("module not found " .. mod), ast)
|
|
end
|
|
end
|
|
end
|
|
res = ((utils["member?"](mod, (utils.root.options.skipInclude or {})) and opts.fallback(modexpr, true)) or include_circular_fallback(mod, modexpr, opts.fallback, ast) or utils.root.scope.includes[mod] or _702_())
|
|
utils.root.options["module-name"] = oldmod
|
|
return res
|
|
end
|
|
end
|
|
doc_special("include", {"module-name-literal"}, "Like require but load the target module during compilation and embed it in the\nLua output. The module must be a string literal and resolvable at compile time.")
|
|
local function eval_compiler_2a(ast, scope, parent)
|
|
local env = make_compiler_env(ast, scope, parent)
|
|
local opts = utils.copy(utils.root.options)
|
|
opts.scope = compiler["make-scope"](compiler.scopes.compiler)
|
|
opts.allowedGlobals = current_global_names(env)
|
|
return assert(load_code(compiler.compile(ast, opts), wrap_env(env)))(opts["module-name"], ast.filename)
|
|
end
|
|
SPECIALS.macros = function(ast, scope, parent)
|
|
compiler.assert((#ast == 2), "Expected one table argument", ast)
|
|
local macro_tbl = eval_compiler_2a(ast[2], scope, parent)
|
|
compiler.assert(utils["table?"](macro_tbl), "Expected one table argument", ast)
|
|
return add_macros(macro_tbl, ast, scope)
|
|
end
|
|
doc_special("macros", {"{:macro-name-1 (fn [...] ...) ... :macro-name-N macro-body-N}"}, "Define all functions in the given table as macros local to the current scope.")
|
|
SPECIALS["tail!"] = function(ast, scope, parent, opts)
|
|
compiler.assert((#ast == 2), "Expected one argument", ast)
|
|
local call = utils["list?"](compiler.macroexpand(ast[2], scope))
|
|
local callee = tostring((call and utils["sym?"](call[1])))
|
|
compiler.assert((call and not scope.specials[callee]), "Expected a function call as argument", ast)
|
|
compiler.assert(opts.tail, "Must be in tail position", ast)
|
|
return compiler.compile1(call, scope, parent, opts)
|
|
end
|
|
doc_special("tail!", {"body"}, "Assert that the body being called is in tail position.")
|
|
SPECIALS["pick-values"] = function(ast, scope, parent)
|
|
local n = ast[2]
|
|
local vals = utils.list(utils.sym("values"), unpack(ast, 3))
|
|
compiler.assert((("number" == type(n)) and (0 <= n) and (n == math.floor(n))), ("Expected n to be an integer >= 0, got " .. tostring(n)))
|
|
if (1 == n) then
|
|
local _706_ = compiler.compile1(vals, scope, parent, {nval = 1})
|
|
local _707_ = _706_[1]
|
|
local expr = _707_[1]
|
|
return {("(" .. expr .. ")")}
|
|
elseif (0 == n) then
|
|
for i = 3, #ast do
|
|
compiler["keep-side-effects"](compiler.compile1(ast[i], scope, parent, {nval = 0}), parent, nil, ast[i])
|
|
end
|
|
return {}
|
|
else
|
|
local syms = nil
|
|
do
|
|
local tbl_17_ = utils.list()
|
|
local i_18_ = #tbl_17_
|
|
for _ = 1, n do
|
|
local val_19_ = utils.sym(compiler.gensym(scope, "pv"))
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
syms = tbl_17_
|
|
end
|
|
compiler.destructure(syms, vals, ast, scope, parent, {declaration = true, nomulti = true, noundef = true, symtype = "pv"})
|
|
return syms
|
|
end
|
|
end
|
|
doc_special("pick-values", {"n", "..."}, "Evaluate to exactly n values.\n\nFor example,\n (pick-values 2 ...)\nexpands to\n (let [(_0_ _1_) ...]\n (values _0_ _1_))")
|
|
SPECIALS["eval-compiler"] = function(ast, scope, parent)
|
|
local old_first = ast[1]
|
|
ast[1] = utils.sym("do")
|
|
local val = eval_compiler_2a(ast, scope, parent)
|
|
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)
|
|
SPECIALS.unquote = function(ast)
|
|
return compiler.assert(false, "tried to use unquote outside quote", ast)
|
|
end
|
|
doc_special("unquote", {"..."}, "Evaluate the argument even if it's in a quoted form.")
|
|
return {["current-global-names"] = current_global_names, ["get-function-metadata"] = get_function_metadata, ["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}
|
|
end
|
|
package.preload["fennel.compiler"] = package.preload["fennel.compiler"] or function(...)
|
|
local _281_ = require("fennel.utils")
|
|
local utils = _281_
|
|
local unpack = _281_["unpack"]
|
|
local parser = require("fennel.parser")
|
|
local friend = require("fennel.friend")
|
|
local view = require("fennel.view")
|
|
local scopes = {compiler = nil, global = nil, macro = nil}
|
|
local function make_scope(_3fparent)
|
|
local parent = (_3fparent or scopes.global)
|
|
local _282_
|
|
if parent then
|
|
_282_ = ((parent.depth or 0) + 1)
|
|
else
|
|
_282_ = 0
|
|
end
|
|
return {["gensym-base"] = setmetatable({}, {__index = (parent and parent["gensym-base"])}), autogensyms = setmetatable({}, {__index = (parent and parent.autogensyms)}), depth = _282_, gensyms = setmetatable({}, {__index = (parent and parent.gensyms)}), hashfn = (parent and parent.hashfn), includes = setmetatable({}, {__index = (parent and parent.includes)}), macros = setmetatable({}, {__index = (parent and parent.macros)}), manglings = setmetatable({}, {__index = (parent and parent.manglings)}), parent = parent, refedglobals = {}, specials = setmetatable({}, {__index = (parent and parent.specials)}), symmeta = setmetatable({}, {__index = (parent and parent.symmeta)}), unmanglings = setmetatable({}, {__index = (parent and parent.unmanglings)}), vararg = (parent and parent.vararg)}
|
|
end
|
|
local function assert_msg(ast, msg)
|
|
local ast_tbl = nil
|
|
if ("table" == type(ast)) then
|
|
ast_tbl = ast
|
|
else
|
|
ast_tbl = {}
|
|
end
|
|
local m = getmetatable(ast)
|
|
local filename = ((m and m.filename) or ast_tbl.filename or "unknown")
|
|
local line = ((m and m.line) or ast_tbl.line or "?")
|
|
local col = ((m and m.col) or ast_tbl.col or "?")
|
|
local target = tostring((utils["sym?"](ast_tbl[1]) or ast_tbl[1] or "()"))
|
|
return string.format("%s:%s:%s: Compile error in '%s': %s", filename, line, col, target, msg)
|
|
end
|
|
local function assert_compile(condition, msg, ast, _3ffallback_ast)
|
|
if not condition then
|
|
local _285_ = (utils.root.options or {})
|
|
local error_pinpoint = _285_["error-pinpoint"]
|
|
local source = _285_["source"]
|
|
local unfriendly = _285_["unfriendly"]
|
|
local ast0 = nil
|
|
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 then
|
|
error(assert_msg(ast0, msg), 0)
|
|
else
|
|
friend["assert-compile"](condition, msg, ast0, source, {["error-pinpoint"] = error_pinpoint})
|
|
end
|
|
end
|
|
end
|
|
return condition
|
|
end
|
|
scopes.global = make_scope()
|
|
scopes.global.vararg = true
|
|
scopes.compiler = make_scope(scopes.global)
|
|
scopes.macro = scopes.global
|
|
local serialize_subst_digits = {["\\10"] = "\\n", ["\\11"] = "\\v", ["\\12"] = "\\f", ["\\13"] = "\\r", ["\\7"] = "\\a", ["\\8"] = "\\b", ["\\9"] = "\\t"}
|
|
local function serialize_string(str)
|
|
local function _290_(_241)
|
|
return ("\\" .. _241:byte())
|
|
end
|
|
return string.gsub(string.gsub(string.gsub(string.format("%q", str), "\\\n", "\\n"), "\\..?", serialize_subst_digits), "[\128-\255]", _290_)
|
|
end
|
|
local function global_mangling(str)
|
|
if utils["valid-lua-identifier?"](str) then
|
|
return str
|
|
else
|
|
local _292_
|
|
do
|
|
local _291_0 = utils.root.options
|
|
if (nil ~= _291_0) then
|
|
_291_0 = _291_0["global-mangle"]
|
|
end
|
|
_292_ = _291_0
|
|
end
|
|
if (_292_ == false) then
|
|
return ("_G[%q]"):format(str)
|
|
else
|
|
local function _294_(_241)
|
|
return string.format("_%02x", _241:byte())
|
|
end
|
|
return ("__fnl_global__" .. str:gsub("[^%w]", _294_))
|
|
end
|
|
end
|
|
end
|
|
local function global_unmangling(identifier)
|
|
local _296_0 = string.match(identifier, "^__fnl_global__(.*)$")
|
|
if (nil ~= _296_0) then
|
|
local rest = _296_0
|
|
local _297_0 = nil
|
|
local function _298_(_241)
|
|
return string.char(tonumber(_241:sub(2), 16))
|
|
end
|
|
_297_0 = rest:gsub("_[%da-f][%da-f]", _298_)
|
|
return _297_0
|
|
else
|
|
local _ = _296_0
|
|
return identifier
|
|
end
|
|
end
|
|
local function global_allowed_3f(name)
|
|
local allowed = nil
|
|
do
|
|
local _300_0 = utils.root.options
|
|
if (nil ~= _300_0) then
|
|
_300_0 = _300_0.allowedGlobals
|
|
end
|
|
allowed = _300_0
|
|
end
|
|
return (not allowed or utils["member?"](name, allowed))
|
|
end
|
|
local function unique_mangling(original, mangling, scope, append)
|
|
if scope.unmanglings[mangling] then
|
|
return unique_mangling(original, (original .. append), scope, (append + 1))
|
|
else
|
|
return mangling
|
|
end
|
|
end
|
|
local function apply_deferred_scope_changes(scope, deferred_scope_changes, ast)
|
|
for raw, mangled in pairs(deferred_scope_changes.manglings) do
|
|
assert_compile(not scope.refedglobals[mangled], ("use of global " .. raw .. " is aliased by a local"), ast)
|
|
scope.manglings[raw] = mangled
|
|
end
|
|
for raw, symmeta in pairs(deferred_scope_changes.symmeta) do
|
|
scope.symmeta[raw] = symmeta
|
|
end
|
|
return nil
|
|
end
|
|
local function combine_parts(parts, scope)
|
|
local ret = (scope.manglings[parts[1]] or global_mangling(parts[1]))
|
|
for i = 2, #parts do
|
|
if utils["valid-lua-identifier?"](parts[i]) then
|
|
if (parts["multi-sym-method-call"] and (i == #parts)) then
|
|
ret = (ret .. ":" .. parts[i])
|
|
else
|
|
ret = (ret .. "." .. parts[i])
|
|
end
|
|
else
|
|
ret = (ret .. "[" .. serialize_string(parts[i]) .. "]")
|
|
end
|
|
end
|
|
return ret
|
|
end
|
|
local function root_scope(scope)
|
|
return ((utils.root and utils.root.scope) or (scope.parent and root_scope(scope.parent)) or scope)
|
|
end
|
|
local function next_append(root_scope_2a)
|
|
root_scope_2a["gensym-append"] = ((root_scope_2a["gensym-append"] or 0) + 1)
|
|
return ("_" .. root_scope_2a["gensym-append"] .. "_")
|
|
end
|
|
local function gensym(scope, _3fbase, _3fsuffix)
|
|
local root_scope_2a = root_scope(scope)
|
|
local mangling = ((_3fbase or "") .. next_append(root_scope_2a) .. (_3fsuffix or ""))
|
|
while scope.unmanglings[mangling] do
|
|
mangling = ((_3fbase or "") .. next_append(root_scope_2a) .. (_3fsuffix or ""))
|
|
end
|
|
if (_3fbase and (0 < #_3fbase)) then
|
|
scope["gensym-base"][mangling] = _3fbase
|
|
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 _306_0 = utils["multi-sym?"](base)
|
|
if (nil ~= _306_0) then
|
|
local parts = _306_0
|
|
return combine_auto_gensym(parts, autogensym(parts[1], scope))
|
|
else
|
|
local _ = _306_0
|
|
local function _307_()
|
|
local mangling = gensym(scope, base:sub(1, -2), "auto")
|
|
scope.autogensyms[base] = mangling
|
|
return mangling
|
|
end
|
|
return (scope.autogensyms[base] or _307_())
|
|
end
|
|
end
|
|
local function check_binding_valid(symbol, scope, ast, _3fopts)
|
|
local name = tostring(symbol)
|
|
local macro_3f = nil
|
|
do
|
|
local _309_0 = _3fopts
|
|
if (nil ~= _309_0) then
|
|
_309_0 = _309_0["macro?"]
|
|
end
|
|
macro_3f = _309_0
|
|
end
|
|
assert_compile(("&" ~= name:match("[&.:]")), "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, scope, ast, _3fvar_3f, _3fdeferred_scope_changes)
|
|
check_binding_valid(symbol, scope, ast)
|
|
assert_compile(not utils["multi-sym?"](symbol), ("unexpected multi symbol " .. tostring(symbol)), ast)
|
|
local str = tostring(symbol)
|
|
local raw = nil
|
|
if (utils["lua-keyword?"](str) or str:match("^%d")) then
|
|
raw = ("_" .. str)
|
|
else
|
|
raw = str
|
|
end
|
|
local mangling = nil
|
|
local function _312_(_241)
|
|
return string.format("_%02x", _241:byte())
|
|
end
|
|
mangling = string.gsub(string.gsub(raw, "-", "_"), "[^%w_]", _312_)
|
|
local unique = unique_mangling(mangling, mangling, scope, 0)
|
|
scope.unmanglings[unique] = (scope["gensym-base"][str] or str)
|
|
do
|
|
local target = (_3fdeferred_scope_changes or scope)
|
|
target.manglings[str] = unique
|
|
target.symmeta[str] = {symbol = symbol, var = _3fvar_3f}
|
|
end
|
|
return unique
|
|
end
|
|
local function hashfn_arg_name(name, multi_sym_parts, scope)
|
|
if not scope.hashfn then
|
|
return nil
|
|
elseif (name == "$") then
|
|
return "$1"
|
|
elseif multi_sym_parts then
|
|
if (multi_sym_parts and (multi_sym_parts[1] == "$")) then
|
|
multi_sym_parts[1] = "$1"
|
|
end
|
|
return table.concat(multi_sym_parts, ".")
|
|
end
|
|
end
|
|
local function symbol_to_expression(symbol, scope, _3freference_3f)
|
|
utils.hook("symbol-to-expression", symbol, scope, _3freference_3f)
|
|
local name = symbol[1]
|
|
local multi_sym_parts = utils["multi-sym?"](name)
|
|
local name0 = (hashfn_arg_name(name, multi_sym_parts, scope) or name)
|
|
local parts = (multi_sym_parts or {name0})
|
|
local etype = (((1 < #parts) and "expression") or "sym")
|
|
local local_3f = scope.manglings[parts[1]]
|
|
if (local_3f and scope.symmeta[parts[1]]) then
|
|
scope.symmeta[parts[1]]["used"] = true
|
|
symbol.referent = scope.symmeta[parts[1]].symbol
|
|
end
|
|
assert_compile(not scope.macros[parts[1]], "tried to reference a macro without calling it", symbol)
|
|
assert_compile((not scope.specials[parts[1]] or ("require" == parts[1])), "tried to reference a special form without calling it", symbol)
|
|
assert_compile((not _3freference_3f or local_3f or ("_ENV" == parts[1]) or global_allowed_3f(parts[1])), ("unknown identifier: " .. tostring(parts[1])), symbol)
|
|
local function _317_()
|
|
local _316_0 = utils.root.options
|
|
if (nil ~= _316_0) then
|
|
_316_0 = _316_0.allowedGlobals
|
|
end
|
|
return _316_0
|
|
end
|
|
if (_317_() and not local_3f and scope.parent) then
|
|
scope.parent.refedglobals[parts[1]] = true
|
|
end
|
|
return utils.expr(combine_parts(parts, scope), etype)
|
|
end
|
|
local function emit(chunk, out, _3fast)
|
|
if (type(out) == "table") then
|
|
return table.insert(chunk, out)
|
|
else
|
|
return table.insert(chunk, {ast = _3fast, leaf = out})
|
|
end
|
|
end
|
|
local function peephole(chunk)
|
|
if chunk.leaf then
|
|
return chunk
|
|
elseif ((3 <= #chunk) and (chunk[(#chunk - 2)].leaf == "do") and not chunk[(#chunk - 1)].leaf and (chunk[#chunk].leaf == "end")) then
|
|
local kid = peephole(chunk[(#chunk - 1)])
|
|
local new_chunk = {ast = chunk.ast}
|
|
for i = 1, (#chunk - 3) do
|
|
table.insert(new_chunk, peephole(chunk[i]))
|
|
end
|
|
for i = 1, #kid do
|
|
table.insert(new_chunk, kid[i])
|
|
end
|
|
return new_chunk
|
|
else
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, x in ipairs(chunk) do
|
|
local val_19_ = peephole(x)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
return tbl_17_
|
|
end
|
|
end
|
|
local function flatten_chunk_correlated(main_chunk, options)
|
|
local function flatten(chunk, out, last_line, file)
|
|
local last_line0 = last_line
|
|
if chunk.leaf then
|
|
out[last_line0] = ((out[last_line0] or "") .. " " .. chunk.leaf)
|
|
else
|
|
for _, subchunk in ipairs(chunk) do
|
|
if (subchunk.leaf or next(subchunk)) then
|
|
local source = utils["ast-source"](subchunk.ast)
|
|
if (file == source.filename) then
|
|
last_line0 = math.max(last_line0, (source.line or 0))
|
|
end
|
|
last_line0 = flatten(subchunk, out, last_line0, file)
|
|
end
|
|
end
|
|
end
|
|
return last_line0
|
|
end
|
|
local out = {}
|
|
local last = flatten(main_chunk, out, 1, options.filename)
|
|
for i = 1, last do
|
|
if (out[i] == nil) then
|
|
out[i] = ""
|
|
end
|
|
end
|
|
return table.concat(out, "\n")
|
|
end
|
|
local function flatten_chunk(file_sourcemap, chunk, tab, depth)
|
|
if chunk.leaf then
|
|
local _327_ = utils["ast-source"](chunk.ast)
|
|
local endline = _327_["endline"]
|
|
local filename = _327_["filename"]
|
|
local line = _327_["line"]
|
|
if ("end" == chunk.leaf) then
|
|
table.insert(file_sourcemap, {filename, (endline or line)})
|
|
else
|
|
table.insert(file_sourcemap, {filename, line})
|
|
end
|
|
return chunk.leaf
|
|
else
|
|
local tab0 = nil
|
|
do
|
|
local _329_0 = tab
|
|
if (_329_0 == true) then
|
|
tab0 = " "
|
|
elseif (_329_0 == false) then
|
|
tab0 = ""
|
|
elseif (nil ~= _329_0) then
|
|
local tab1 = _329_0
|
|
tab0 = tab1
|
|
elseif (_329_0 == nil) then
|
|
tab0 = ""
|
|
else
|
|
tab0 = nil
|
|
end
|
|
end
|
|
local _331_
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, c in ipairs(chunk) do
|
|
local val_19_ = nil
|
|
if (c.leaf or next(c)) then
|
|
local sub = flatten_chunk(file_sourcemap, c, tab0, (depth + 1))
|
|
if (0 < depth) then
|
|
val_19_ = (tab0 .. sub:gsub("\n", ("\n" .. tab0)))
|
|
else
|
|
val_19_ = sub
|
|
end
|
|
else
|
|
val_19_ = nil
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
_331_ = tbl_17_
|
|
end
|
|
return table.concat(_331_, "\n")
|
|
end
|
|
end
|
|
local sourcemap = {}
|
|
local function make_short_src(source)
|
|
local source0 = source:gsub("\n", " ")
|
|
if (#source0 <= 49) then
|
|
return ("[fennel \"" .. source0 .. "\"]")
|
|
else
|
|
return ("[fennel \"" .. source0:sub(1, 46) .. "...\"]")
|
|
end
|
|
end
|
|
local function flatten(chunk, options)
|
|
local chunk0 = peephole(chunk)
|
|
local indent = (options.indent or " ")
|
|
if options.correlate then
|
|
return flatten_chunk_correlated(chunk0, options), {}
|
|
else
|
|
local file_sourcemap = {}
|
|
local src = flatten_chunk(file_sourcemap, chunk0, indent, 0)
|
|
file_sourcemap.short_src = (options.filename or make_short_src((options.source or src)))
|
|
if options.filename then
|
|
file_sourcemap.key = ("@" .. options.filename)
|
|
else
|
|
file_sourcemap.key = src
|
|
end
|
|
sourcemap[file_sourcemap.key] = file_sourcemap
|
|
return src, file_sourcemap
|
|
end
|
|
end
|
|
local function make_metadata()
|
|
local function _339_(self, tgt, _3fkey)
|
|
if self[tgt] then
|
|
if (nil ~= _3fkey) then
|
|
return self[tgt][_3fkey]
|
|
else
|
|
return self[tgt]
|
|
end
|
|
end
|
|
end
|
|
local function _342_(self, tgt, key, value)
|
|
self[tgt] = (self[tgt] or {})
|
|
self[tgt][key] = value
|
|
return tgt
|
|
end
|
|
local function _343_(self, tgt, ...)
|
|
local kv_len = select("#", ...)
|
|
local kvs = {...}
|
|
if ((kv_len % 2) ~= 0) then
|
|
error("metadata:setall() expected even number of k/v pairs")
|
|
end
|
|
self[tgt] = (self[tgt] or {})
|
|
for i = 1, kv_len, 2 do
|
|
self[tgt][kvs[i]] = kvs[(i + 1)]
|
|
end
|
|
return tgt
|
|
end
|
|
return setmetatable({}, {__index = {get = _339_, set = _342_, setall = _343_}, __mode = "k"})
|
|
end
|
|
local function exprs1(exprs)
|
|
local _345_
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, e in ipairs(exprs) do
|
|
local val_19_ = tostring(e)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
_345_ = tbl_17_
|
|
end
|
|
return table.concat(_345_, ", ")
|
|
end
|
|
local function keep_side_effects(exprs, chunk, _3fstart, ast)
|
|
for j = (_3fstart or 1), #exprs do
|
|
local subexp = exprs[j]
|
|
if ((subexp.type == "expression") and (subexp[1] ~= "nil")) then
|
|
emit(chunk, ("do local _ = %s end"):format(tostring(subexp)), ast)
|
|
elseif (subexp.type == "statement") then
|
|
local code = tostring(subexp)
|
|
local disambiguated = nil
|
|
if (code:byte() == 40) then
|
|
disambiguated = ("do end " .. code)
|
|
else
|
|
disambiguated = code
|
|
end
|
|
emit(chunk, disambiguated, ast)
|
|
end
|
|
end
|
|
return nil
|
|
end
|
|
local function handle_compile_opts(exprs, parent, opts, ast)
|
|
if opts.nval then
|
|
local n = opts.nval
|
|
local len = #exprs
|
|
if (n ~= len) then
|
|
if (n < len) then
|
|
keep_side_effects(exprs, parent, (n + 1), ast)
|
|
for i = (n + 1), len do
|
|
exprs[i] = nil
|
|
end
|
|
else
|
|
for i = (#exprs + 1), n do
|
|
exprs[i] = utils.expr("nil", "literal")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
if opts.tail then
|
|
emit(parent, string.format("return %s", exprs1(exprs)), ast)
|
|
end
|
|
if opts.target then
|
|
local result = exprs1(exprs)
|
|
local function _353_()
|
|
if (result == "") then
|
|
return "nil"
|
|
else
|
|
return result
|
|
end
|
|
end
|
|
emit(parent, string.format("%s = %s", opts.target, _353_()), ast)
|
|
end
|
|
if (opts.tail or opts.target) then
|
|
return {returned = true}
|
|
else
|
|
exprs["returned"] = true
|
|
return exprs
|
|
end
|
|
end
|
|
local function find_macro(ast, scope)
|
|
local macro_2a = nil
|
|
do
|
|
local _356_0 = utils["sym?"](ast[1])
|
|
if (_356_0 ~= nil) then
|
|
local _357_0 = tostring(_356_0)
|
|
if (_357_0 ~= nil) then
|
|
macro_2a = scope.macros[_357_0]
|
|
else
|
|
macro_2a = _357_0
|
|
end
|
|
else
|
|
macro_2a = _356_0
|
|
end
|
|
end
|
|
local multi_sym_parts = utils["multi-sym?"](ast[1])
|
|
if (not macro_2a and multi_sym_parts) then
|
|
local nested_macro = utils["get-in"](scope.macros, multi_sym_parts)
|
|
assert_compile((not scope.macros[multi_sym_parts[1]] or (type(nested_macro) == "function")), "macro not found in imported macro module", ast)
|
|
return nested_macro
|
|
else
|
|
return macro_2a
|
|
end
|
|
end
|
|
local function propagate_trace_info(_361_0, _index, node)
|
|
local _362_ = _361_0
|
|
local byteend = _362_["byteend"]
|
|
local bytestart = _362_["bytestart"]
|
|
local filename = _362_["filename"]
|
|
local line = _362_["line"]
|
|
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
|
|
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
|
|
if (nil == parent[i]) then
|
|
parent[i] = utils.sym("nil")
|
|
end
|
|
end
|
|
end
|
|
return index, node, parent
|
|
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 _366_0 = nil
|
|
if utils["list?"](ast) then
|
|
_366_0 = find_macro(ast, scope)
|
|
else
|
|
_366_0 = nil
|
|
end
|
|
if (_366_0 == false) then
|
|
return ast
|
|
elseif (nil ~= _366_0) then
|
|
local macro_2a = _366_0
|
|
local old_scope = scopes.macro
|
|
local _ = nil
|
|
scopes.macro = scope
|
|
_ = nil
|
|
local ok, transformed = nil, nil
|
|
local function _368_()
|
|
return macro_2a(unpack(ast, 2))
|
|
end
|
|
local function _369_()
|
|
if built_in_3f(macro_2a) then
|
|
return tostring
|
|
else
|
|
return debug.traceback
|
|
end
|
|
end
|
|
ok, transformed = xpcall(_368_, _369_())
|
|
local function _370_(...)
|
|
return propagate_trace_info(ast, quote_literal_nils(...))
|
|
end
|
|
utils["walk-tree"](transformed, _370_)
|
|
scopes.macro = old_scope
|
|
assert_compile(ok, transformed, ast)
|
|
utils.hook("macroexpand", ast, transformed, scope)
|
|
if (_3fonce or not transformed) then
|
|
return transformed
|
|
else
|
|
return macroexpand_2a(transformed, scope)
|
|
end
|
|
else
|
|
local _ = _366_0
|
|
return ast
|
|
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 ("table" ~= type(exprs)) then
|
|
exprs0 = utils.expr(exprs, "expression")
|
|
else
|
|
exprs0 = exprs
|
|
end
|
|
local exprs2 = nil
|
|
if utils["expr?"](exprs0) then
|
|
exprs2 = {exprs0}
|
|
else
|
|
exprs2 = exprs0
|
|
end
|
|
if not exprs2.returned then
|
|
return handle_compile_opts(exprs2, parent, opts, ast)
|
|
elseif (opts.tail or opts.target) then
|
|
return {returned = true}
|
|
else
|
|
return exprs2
|
|
end
|
|
end
|
|
local function callable_3f(_376_0, ctype, callee)
|
|
local _377_ = _376_0
|
|
local call_ast = _377_[1]
|
|
if ("literal" == ctype) then
|
|
return ("\"" == string.sub(callee, 1, 1))
|
|
else
|
|
return (utils["sym?"](call_ast) or utils["list?"](call_ast))
|
|
end
|
|
end
|
|
local function compile_function_call(ast, scope, parent, opts, compile1, len)
|
|
local _379_ = compile1(ast[1], scope, parent, {nval = 1})[1]
|
|
local callee = _379_[1]
|
|
local ctype = _379_["type"]
|
|
local fargs = {}
|
|
assert_compile(callable_3f(ast, ctype, callee), ("cannot call literal value " .. tostring(ast[1])), ast)
|
|
for i = 2, len do
|
|
local subexprs = nil
|
|
local _380_
|
|
if (i ~= len) then
|
|
_380_ = 1
|
|
else
|
|
_380_ = nil
|
|
end
|
|
subexprs = compile1(ast[i], scope, parent, {nval = _380_})
|
|
table.insert(fargs, subexprs[1])
|
|
if (i == len) then
|
|
for j = 2, #subexprs do
|
|
table.insert(fargs, subexprs[j])
|
|
end
|
|
else
|
|
keep_side_effects(subexprs, parent, 2, ast[i])
|
|
end
|
|
end
|
|
local pat = nil
|
|
if ("literal" == ctype) then
|
|
pat = "(%s)(%s)"
|
|
else
|
|
pat = "%s(%s)"
|
|
end
|
|
local call = string.format(pat, tostring(callee), exprs1(fargs))
|
|
return handle_compile_opts({utils.expr(call, "statement")}, parent, opts, ast)
|
|
end
|
|
local function compile_call(ast, scope, parent, opts, compile1)
|
|
utils.hook("call", ast, scope)
|
|
local len = #ast
|
|
local first = ast[1]
|
|
local multi_sym_parts = utils["multi-sym?"](first)
|
|
local special = (utils["sym?"](first) and scope.specials[tostring(first)])
|
|
assert_compile((0 < len), "expected a function, macro, or special to call", ast)
|
|
if special then
|
|
return compile_special(ast, scope, parent, opts, special)
|
|
elseif (multi_sym_parts and multi_sym_parts["multi-sym-method-call"]) then
|
|
local table_with_method = table.concat({unpack(multi_sym_parts, 1, (#multi_sym_parts - 1))}, ".")
|
|
local method_to_call = multi_sym_parts[#multi_sym_parts]
|
|
local new_ast = utils.list(utils.sym(":", ast), utils.sym(table_with_method, ast), method_to_call, select(2, unpack(ast)))
|
|
return compile1(new_ast, scope, parent, opts)
|
|
else
|
|
return compile_function_call(ast, scope, parent, opts, compile1, len)
|
|
end
|
|
end
|
|
local function compile_varg(ast, scope, parent, opts)
|
|
local _385_
|
|
if scope.hashfn then
|
|
_385_ = "use $... in hashfn"
|
|
else
|
|
_385_ = "unexpected vararg"
|
|
end
|
|
assert_compile(scope.vararg, _385_, 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
|
|
if (ast[1] == "nil") then
|
|
e = utils.expr("nil", "literal")
|
|
else
|
|
e = symbol_to_expression(ast, scope, true)
|
|
end
|
|
return handle_compile_opts({e}, parent, opts, ast)
|
|
end
|
|
local view_opts = nil
|
|
do
|
|
local nan = tostring((0 / 0))
|
|
local _388_
|
|
if (45 == nan:byte()) then
|
|
_388_ = "(0/0)"
|
|
else
|
|
_388_ = "(- (0/0))"
|
|
end
|
|
local _390_
|
|
if (45 == nan:byte()) then
|
|
_390_ = "(- (0/0))"
|
|
else
|
|
_390_ = "(0/0)"
|
|
end
|
|
view_opts = {["negative-infinity"] = "(-1/0)", ["negative-nan"] = _388_, infinity = "(1/0)", nan = _390_}
|
|
end
|
|
local function compile_scalar(ast, _scope, parent, opts)
|
|
local compiled = nil
|
|
do
|
|
local _392_0 = type(ast)
|
|
if (_392_0 == "nil") then
|
|
compiled = "nil"
|
|
elseif (_392_0 == "boolean") then
|
|
compiled = tostring(ast)
|
|
elseif (_392_0 == "string") then
|
|
compiled = serialize_string(ast)
|
|
elseif (_392_0 == "number") then
|
|
compiled = view(ast, view_opts)
|
|
else
|
|
compiled = nil
|
|
end
|
|
end
|
|
return handle_compile_opts({utils.expr(compiled, "literal")}, parent, opts)
|
|
end
|
|
local function compile_table(ast, scope, parent, opts, compile1)
|
|
local function escape_key(k)
|
|
if ((type(k) == "string") and utils["valid-lua-identifier?"](k)) then
|
|
return k
|
|
else
|
|
local _394_ = compile1(k, scope, parent, {nval = 1})
|
|
local compiled = _394_[1]
|
|
return ("[" .. tostring(compiled) .. "]")
|
|
end
|
|
end
|
|
local keys = {}
|
|
local buffer = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i, elem in ipairs(ast) do
|
|
local val_19_ = nil
|
|
do
|
|
local nval = ((nil ~= ast[(i + 1)]) and 1)
|
|
keys[i] = true
|
|
val_19_ = exprs1(compile1(elem, scope, parent, {nval = nval}))
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
buffer = tbl_17_
|
|
end
|
|
do
|
|
local tbl_17_ = buffer
|
|
local i_18_ = #tbl_17_
|
|
for k in utils.stablepairs(ast) do
|
|
local val_19_ = nil
|
|
if not keys[k] then
|
|
local _397_ = compile1(ast[k], scope, parent, {nval = 1})
|
|
local v = _397_[1]
|
|
val_19_ = string.format("%s = %s", escape_key(k), tostring(v))
|
|
else
|
|
val_19_ = nil
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
end
|
|
return handle_compile_opts({utils.expr(("{" .. table.concat(buffer, ", ") .. "}"), "expression")}, parent, opts, ast)
|
|
end
|
|
local function compile1(ast, scope, parent, _3fopts)
|
|
local opts = (_3fopts or {})
|
|
local ast0 = macroexpand_2a(ast, scope)
|
|
if utils["list?"](ast0) then
|
|
return compile_call(ast0, scope, parent, opts, compile1)
|
|
elseif utils["varg?"](ast0) then
|
|
return compile_varg(ast0, scope, parent, opts)
|
|
elseif utils["sym?"](ast0) then
|
|
return compile_sym(ast0, scope, parent, opts)
|
|
elseif (type(ast0) == "table") then
|
|
return compile_table(ast0, scope, parent, opts, compile1)
|
|
elseif ((type(ast0) == "nil") or (type(ast0) == "boolean") or (type(ast0) == "number") or (type(ast0) == "string")) then
|
|
return compile_scalar(ast0, scope, parent, opts)
|
|
else
|
|
return assert_compile(false, ("could not compile value of type " .. type(ast0)), ast0)
|
|
end
|
|
end
|
|
local function destructure(to, from, ast, scope, parent, opts)
|
|
local opts0 = (opts or {})
|
|
local _401_ = opts0
|
|
local declaration = _401_["declaration"]
|
|
local forceglobal = _401_["forceglobal"]
|
|
local forceset = _401_["forceset"]
|
|
local isvar = _401_["isvar"]
|
|
local symtype = _401_["symtype"]
|
|
local symtype0 = ("_" .. (symtype or "dst"))
|
|
local setter = nil
|
|
if declaration then
|
|
setter = "local %s = %s"
|
|
else
|
|
setter = "%s = %s"
|
|
end
|
|
local deferred_scope_changes = {manglings = {}, symmeta = {}}
|
|
local function getname(symbol, ast0)
|
|
local raw = symbol[1]
|
|
assert_compile(not (opts0.nomulti and utils["multi-sym?"](raw)), ("unexpected multi symbol " .. raw), ast0)
|
|
if declaration then
|
|
return declare_local(symbol, scope, symbol, isvar, deferred_scope_changes)
|
|
else
|
|
local parts = (utils["multi-sym?"](raw) or {raw})
|
|
local _403_ = parts
|
|
local first = _403_[1]
|
|
local meta = scope.symmeta[first]
|
|
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)
|
|
end
|
|
assert_compile((meta or not opts0.noundef or (scope.hashfn and ("$" == first)) or global_allowed_3f(first)), ("expected local " .. first), 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
|
|
local _406_
|
|
do
|
|
local _405_0 = utils.root.options
|
|
if (nil ~= _405_0) then
|
|
_405_0 = _405_0.allowedGlobals
|
|
end
|
|
_406_ = _405_0
|
|
end
|
|
if _406_ then
|
|
local _409_
|
|
do
|
|
local _408_0 = utils.root.options
|
|
if (nil ~= _408_0) then
|
|
_408_0 = _408_0.allowedGlobals
|
|
end
|
|
_409_ = _408_0
|
|
end
|
|
table.insert(_409_, raw)
|
|
end
|
|
end
|
|
return symbol_to_expression(symbol, scope)[1]
|
|
end
|
|
end
|
|
local function compile_top_target(lvalues)
|
|
local inits = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, l in ipairs(lvalues) do
|
|
local val_19_ = nil
|
|
if scope.manglings[l] then
|
|
val_19_ = l
|
|
else
|
|
val_19_ = "nil"
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
inits = tbl_17_
|
|
end
|
|
local init = table.concat(inits, ", ")
|
|
local lvalue = table.concat(lvalues, ", ")
|
|
local plast = parent[#parent]
|
|
local plen = #parent
|
|
local ret = compile1(from, scope, parent, {target = lvalue})
|
|
if declaration then
|
|
for pi = plen, #parent do
|
|
if (parent[pi] == plast) then
|
|
plen = pi
|
|
end
|
|
end
|
|
if ((#parent == (plen + 1)) and parent[#parent].leaf) then
|
|
parent[#parent]["leaf"] = ("local " .. parent[#parent].leaf)
|
|
elseif (init == "nil") then
|
|
table.insert(parent, (plen + 1), {ast = ast, leaf = ("local " .. lvalue)})
|
|
else
|
|
table.insert(parent, (plen + 1), {ast = ast, leaf = ("local " .. lvalue .. " = " .. init)})
|
|
end
|
|
end
|
|
return ret
|
|
end
|
|
local function destructure_sym(left, rightexprs, up1, top_3f)
|
|
local lname = getname(left, up1)
|
|
check_binding_valid(left, scope, left)
|
|
if top_3f then
|
|
return compile_top_target({lname})
|
|
else
|
|
return emit(parent, setter:format(lname, exprs1(rightexprs)), left)
|
|
end
|
|
end
|
|
local function dynamic_set_target(_420_0)
|
|
local _421_ = _420_0
|
|
local _ = _421_[1]
|
|
local target = _421_[2]
|
|
local keys = {(table.unpack or unpack)(_421_, 3)}
|
|
assert_compile(utils["sym?"](target), "dynamic set needs symbol target", ast)
|
|
assert_compile(next(keys), "dynamic set needs at least one key", ast)
|
|
local keys0 = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _0, k in ipairs(keys) do
|
|
local val_19_ = tostring(compile1(k, scope, parent, {nval = 1})[1])
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
keys0 = tbl_17_
|
|
end
|
|
return string.format("%s[%s]", tostring(symbol_to_expression(target, scope, true)), table.concat(keys0, "]["))
|
|
end
|
|
local function destructure_values(left, rightexprs, up1, destructure1, top_3f)
|
|
local left_names, tables = {}, {}
|
|
for i, name in ipairs(left) do
|
|
if utils["sym?"](name) then
|
|
table.insert(left_names, getname(name, up1))
|
|
elseif utils["call-of?"](name, ".") then
|
|
table.insert(left_names, dynamic_set_target(name))
|
|
else
|
|
local symname = gensym(scope, symtype0)
|
|
table.insert(left_names, symname)
|
|
tables[i] = {name, utils.expr(symname, "sym")}
|
|
end
|
|
end
|
|
assert_compile(left[1], "must provide at least one value", left)
|
|
if top_3f then
|
|
compile_top_target(left_names)
|
|
elseif utils["expr?"](rightexprs) then
|
|
emit(parent, setter:format(table.concat(left_names, ","), exprs1(rightexprs)), left)
|
|
else
|
|
local names = table.concat(left_names, ",")
|
|
local target = nil
|
|
if declaration then
|
|
target = ("local " .. names)
|
|
else
|
|
target = names
|
|
end
|
|
emit(parent, compile1(rightexprs, scope, parent, {target = target}), left)
|
|
end
|
|
for _, pair in utils.stablepairs(tables) do
|
|
destructure1(pair[1], {pair[2]}, left)
|
|
end
|
|
return nil
|
|
end
|
|
local unpack_fn = "function (t, k)\n return ((getmetatable(t) or {}).__fennelrest\n or function (t, k) return {(table.unpack or unpack)(t, k)} end)(t, k)\n end"
|
|
local unpack_ks = "function (t, e)\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 end"
|
|
local function destructure_kv_rest(s, v, left, excluded_keys, destructure1)
|
|
local exclude_str = nil
|
|
local _426_
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, k in ipairs(excluded_keys) do
|
|
local val_19_ = string.format("[%s] = true", serialize_string(k))
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
_426_ = tbl_17_
|
|
end
|
|
exclude_str = table.concat(_426_, ", ")
|
|
local subexpr = utils.expr(string.format(string.gsub(("(" .. unpack_ks .. ")(%s, {%s})"), "\n%s*", " "), s, 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")
|
|
local function _428_()
|
|
local next_symbol = left[(k + 2)]
|
|
return ((nil == next_symbol) or utils["sym?"](next_symbol, "&as"))
|
|
end
|
|
assert_compile((utils["sequence?"](left) and _428_()), "expected rest argument before last parameter", left)
|
|
return destructure1(left[(k + 1)], {subexpr}, left)
|
|
end
|
|
local function optimize_table_destructure_3f(left, right)
|
|
local function _429_()
|
|
local all = next(left)
|
|
for _, d in ipairs(left) do
|
|
if not all then break end
|
|
all = ((utils["sym?"](d) and not tostring(d):find("^&")) or (utils["list?"](d) and utils["sym?"](d[1], ".")))
|
|
end
|
|
return all
|
|
end
|
|
return (utils["sequence?"](left) and utils["sequence?"](right) and _429_())
|
|
end
|
|
local function destructure_table(left, rightexprs, top_3f, destructure1, up1)
|
|
assert_compile((("table" == type(rightexprs)) and not utils["sym?"](rightexprs, "nil")), "could not destructure literal", left)
|
|
if optimize_table_destructure_3f(left, rightexprs) then
|
|
return destructure_values(utils.list(unpack(left)), utils.list(utils.sym("values"), unpack(rightexprs)), up1, destructure1)
|
|
else
|
|
local right = nil
|
|
do
|
|
local _430_0 = nil
|
|
if top_3f then
|
|
_430_0 = exprs1(compile1(from, scope, parent))
|
|
else
|
|
_430_0 = exprs1(rightexprs)
|
|
end
|
|
if (_430_0 == "") then
|
|
right = "nil"
|
|
elseif (nil ~= _430_0) then
|
|
local right0 = _430_0
|
|
right = right0
|
|
else
|
|
right = nil
|
|
end
|
|
end
|
|
local s = nil
|
|
if utils["sym?"](rightexprs) then
|
|
s = right
|
|
else
|
|
s = gensym(scope, symtype0)
|
|
end
|
|
local excluded_keys = {}
|
|
if not utils["sym?"](rightexprs) then
|
|
emit(parent, string.format("local %s = %s", s, right), left)
|
|
end
|
|
for k, v in utils.stablepairs(left) do
|
|
if not (("number" == type(k)) and tostring(left[(k - 1)]):find("^&")) then
|
|
if (utils["sym?"](k) and (tostring(k) == "&")) then
|
|
destructure_kv_rest(s, v, left, excluded_keys, destructure1)
|
|
elseif (utils["sym?"](v) and (tostring(v) == "&")) then
|
|
destructure_rest(s, k, left, destructure1)
|
|
elseif (utils["sym?"](k) and (tostring(k) == "&as")) then
|
|
destructure_sym(v, {utils.expr(tostring(s))}, left)
|
|
elseif (utils["sequence?"](left) and (tostring(v) == "&as")) then
|
|
local _, next_sym, trailing = select(k, unpack(left))
|
|
assert_compile((nil == trailing), "expected &as argument before last parameter", left)
|
|
destructure_sym(next_sym, {utils.expr(tostring(s))}, left)
|
|
else
|
|
local key = nil
|
|
if (type(k) == "string") then
|
|
key = serialize_string(k)
|
|
else
|
|
key = k
|
|
end
|
|
local subexpr = utils.expr(("%s[%s]"):format(s, key), "expression")
|
|
if (type(k) == "string") then
|
|
table.insert(excluded_keys, k)
|
|
end
|
|
destructure1(v, subexpr, left)
|
|
end
|
|
end
|
|
end
|
|
return nil
|
|
end
|
|
end
|
|
local function destructure1(left, rightexprs, up1, top_3f)
|
|
if (utils["sym?"](left) and (left[1] ~= "nil")) then
|
|
destructure_sym(left, rightexprs, up1, top_3f)
|
|
elseif utils["table?"](left) then
|
|
destructure_table(left, rightexprs, top_3f, destructure1, up1)
|
|
elseif utils["call-of?"](left, ".") then
|
|
destructure_values({left}, rightexprs, up1, destructure1)
|
|
elseif utils["list?"](left) then
|
|
assert_compile(top_3f, "can't nest multi-value destructuring", left)
|
|
destructure_values(left, rightexprs, up1, destructure1, true)
|
|
else
|
|
assert_compile(false, string.format("unable to bind %s %s", type(left), tostring(left)), (((type(up1[2]) == "table") and up1[2]) or up1))
|
|
end
|
|
return (top_3f and {returned = true})
|
|
end
|
|
local ret = destructure1(to, from, ast, true)
|
|
utils.hook("destructure", from, to, scope, opts0)
|
|
apply_deferred_scope_changes(scope, deferred_scope_changes, ast)
|
|
return ret
|
|
end
|
|
local function require_include(ast, scope, parent, opts)
|
|
opts.fallback = function(e, no_warn)
|
|
if not no_warn then
|
|
utils.warn(("include module not found, falling back to require: %s"):format(tostring(e)), ast)
|
|
end
|
|
return utils.expr(string.format("require(%s)", tostring(e)), "statement")
|
|
end
|
|
return scopes.global.specials.include(ast, scope, parent, opts)
|
|
end
|
|
local function compile_asts(asts, options)
|
|
local opts = utils.copy(options)
|
|
local scope = nil
|
|
if ("_COMPILER" == opts.scope) then
|
|
scope = scopes.compiler
|
|
elseif opts.scope then
|
|
scope = opts.scope
|
|
else
|
|
scope = make_scope(scopes.global)
|
|
end
|
|
local chunk = {}
|
|
if opts.requireAsInclude then
|
|
scope.specials.require = require_include
|
|
end
|
|
if opts.assertAsRepl then
|
|
scope.macros.assert = scope.macros["assert-repl"]
|
|
end
|
|
local _445_ = utils.root
|
|
_445_["set-reset"](_445_)
|
|
utils.root.chunk, utils.root.scope, utils.root.options = chunk, scope, opts
|
|
for i = 1, #asts do
|
|
local exprs = compile1(asts[i], scope, chunk, {nval = (((i < #asts) and 0) or nil), tail = (i == #asts)})
|
|
keep_side_effects(exprs, chunk, nil, asts[i])
|
|
if (i == #asts) then
|
|
utils.hook("chunk", asts[i], scope)
|
|
end
|
|
end
|
|
utils.root.reset()
|
|
return flatten(chunk, opts)
|
|
end
|
|
local function compile_stream(stream, _3fopts)
|
|
local opts = (_3fopts or {})
|
|
local asts = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, ast in parser.parser(stream, opts.filename, opts) do
|
|
local val_19_ = ast
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
asts = tbl_17_
|
|
end
|
|
return compile_asts(asts, opts)
|
|
end
|
|
local function compile_string(str, _3fopts)
|
|
return compile_stream(parser["string-stream"](str, _3fopts), _3fopts)
|
|
end
|
|
local function compile(from, _3fopts)
|
|
local _448_0 = type(from)
|
|
if (_448_0 == "userdata") then
|
|
local function _449_()
|
|
local _450_0 = from:read(1)
|
|
if (nil ~= _450_0) then
|
|
return _450_0:byte()
|
|
else
|
|
return _450_0
|
|
end
|
|
end
|
|
return compile_stream(_449_, _3fopts)
|
|
elseif (_448_0 == "function") then
|
|
return compile_stream(from, _3fopts)
|
|
else
|
|
local _ = _448_0
|
|
return compile_asts({from}, _3fopts)
|
|
end
|
|
end
|
|
local function traceback_frame(info)
|
|
if ((info.what == "C") and info.name) then
|
|
return string.format("\9[C]: in function '%s'", info.name)
|
|
elseif (info.what == "C") then
|
|
return "\9[C]: in ?"
|
|
else
|
|
local remap = sourcemap[info.source]
|
|
if (remap and remap[info.currentline]) then
|
|
if ((remap[info.currentline][1] or "unknown") ~= "unknown") then
|
|
info.short_src = sourcemap[("@" .. remap[info.currentline][1])].short_src
|
|
else
|
|
info.short_src = remap.short_src
|
|
end
|
|
info.currentline = (remap[info.currentline][2] or -1)
|
|
end
|
|
if (info.what == "Lua") then
|
|
local function _455_()
|
|
if info.name then
|
|
return ("'" .. info.name .. "'")
|
|
else
|
|
return "?"
|
|
end
|
|
end
|
|
return string.format("\9%s:%d: in function %s", info.short_src, info.currentline, _455_())
|
|
elseif (info.short_src == "(tail call)") then
|
|
return " (tail call)"
|
|
else
|
|
return string.format("\9%s:%d: in main chunk", info.short_src, info.currentline)
|
|
end
|
|
end
|
|
end
|
|
local lua_getinfo = debug.getinfo
|
|
local function traceback(_3fmsg, _3fstart)
|
|
local _458_0 = type(_3fmsg)
|
|
if ((_458_0 == "nil") or (_458_0 == "string")) then
|
|
local msg = (_3fmsg or "")
|
|
if ((msg:find("^%g+:%d+:%d+ Compile error:.*") or msg:find("^%g+:%d+:%d+ Parse error:.*")) and not utils["debug-on?"]("trace")) then
|
|
return msg
|
|
else
|
|
local lines = {}
|
|
if (msg:find("^%g+:%d+:%d+ Compile error:") or msg:find("^%g+:%d+:%d+ Parse error:")) then
|
|
table.insert(lines, msg)
|
|
else
|
|
local newmsg = msg:gsub("^[^:]*:%d+:%s+", "runtime error: ")
|
|
table.insert(lines, newmsg)
|
|
end
|
|
table.insert(lines, "stack traceback:")
|
|
local done_3f, level = false, (_3fstart or 2)
|
|
while not done_3f do
|
|
do
|
|
local _460_0 = lua_getinfo(level, "Sln")
|
|
if (_460_0 == nil) then
|
|
done_3f = true
|
|
elseif (nil ~= _460_0) then
|
|
local info = _460_0
|
|
table.insert(lines, traceback_frame(info))
|
|
end
|
|
end
|
|
level = (level + 1)
|
|
end
|
|
return table.concat(lines, "\n")
|
|
end
|
|
else
|
|
local _ = _458_0
|
|
return _3fmsg
|
|
end
|
|
end
|
|
local function getinfo(thread_or_level, ...)
|
|
local thread_or_level0 = nil
|
|
if ("number" == type(thread_or_level)) then
|
|
thread_or_level0 = (1 + thread_or_level)
|
|
else
|
|
thread_or_level0 = thread_or_level
|
|
end
|
|
local info = lua_getinfo(thread_or_level0, ...)
|
|
local mapped = (info and sourcemap[info.source])
|
|
if mapped then
|
|
for _, key in ipairs({"currentline", "linedefined", "lastlinedefined"}) do
|
|
local mapped_value = nil
|
|
do
|
|
local _465_0 = mapped
|
|
if (nil ~= _465_0) then
|
|
_465_0 = _465_0[info[key]]
|
|
end
|
|
if (nil ~= _465_0) then
|
|
_465_0 = _465_0[2]
|
|
end
|
|
mapped_value = _465_0
|
|
end
|
|
if (info[key] and mapped_value) then
|
|
info[key] = mapped_value
|
|
end
|
|
end
|
|
if info.activelines then
|
|
local tbl_14_ = {}
|
|
for line in pairs(info.activelines) do
|
|
local k_15_, v_16_ = mapped[line][2], true
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
info.activelines = tbl_14_
|
|
end
|
|
if (info.what == "Lua") then
|
|
info.what = "Fennel"
|
|
end
|
|
end
|
|
return info
|
|
end
|
|
local function mixed_concat(t, joiner)
|
|
local seen = {}
|
|
local ret, s = "", ""
|
|
for k, v in ipairs(t) do
|
|
table.insert(seen, k)
|
|
ret = (ret .. s .. v)
|
|
s = joiner
|
|
end
|
|
for k, v in utils.stablepairs(t) do
|
|
if not seen[k] then
|
|
ret = (ret .. s .. "[" .. k .. "]" .. "=" .. v)
|
|
s = joiner
|
|
end
|
|
end
|
|
return ret
|
|
end
|
|
local function do_quote(form, scope, parent, runtime_3f)
|
|
local function quote_all(form0, discard_non_numbers)
|
|
local tbl_14_ = {}
|
|
for k, v in utils.stablepairs(form0) do
|
|
local k_15_, v_16_ = nil, nil
|
|
if (type(k) == "number") then
|
|
k_15_, v_16_ = k, do_quote(v, scope, parent, runtime_3f)
|
|
elseif not discard_non_numbers then
|
|
k_15_, v_16_ = do_quote(k, scope, parent, runtime_3f), do_quote(v, scope, parent, runtime_3f)
|
|
else
|
|
k_15_, v_16_ = nil
|
|
end
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
return tbl_14_
|
|
end
|
|
if utils["varg?"](form) then
|
|
assert_compile(not runtime_3f, "quoted ... may only be used at compile time", form)
|
|
return "_VARARG"
|
|
elseif utils["sym?"](form) then
|
|
local filename = nil
|
|
if form.filename then
|
|
filename = string.format("%q", form.filename)
|
|
else
|
|
filename = "nil"
|
|
end
|
|
local symstr = tostring(form)
|
|
assert_compile(not runtime_3f, "symbols may only be used at compile time", form)
|
|
if (symstr:find("#$") or symstr:find("#[:.]")) then
|
|
return string.format("_G.sym('%s', {filename=%s, line=%s})", autogensym(symstr, scope), filename, (form.line or "nil"))
|
|
else
|
|
return string.format("_G.sym('%s', {quoted=true, filename=%s, line=%s})", symstr, filename, (form.line or "nil"))
|
|
end
|
|
elseif utils["call-of?"](form, "unquote") then
|
|
local res = unpack(compile1(form[2], scope, parent))
|
|
return res[1]
|
|
elseif utils["list?"](form) then
|
|
local mapped = quote_all(form, true)
|
|
local filename = nil
|
|
if form.filename then
|
|
filename = string.format("%q", form.filename)
|
|
else
|
|
filename = "nil"
|
|
end
|
|
assert_compile(not runtime_3f, "lists may only be used at compile time", form)
|
|
return string.format(("setmetatable({filename=%s, line=%s, bytestart=%s, %s}" .. ", getmetatable(_G.list()))"), filename, (form.line or "nil"), (form.bytestart or "nil"), mixed_concat(mapped, ", "))
|
|
elseif utils["sequence?"](form) then
|
|
local mapped_str = mixed_concat(quote_all(form), ", ")
|
|
local source = getmetatable(form)
|
|
local filename = nil
|
|
if source.filename then
|
|
filename = ("%q"):format(source.filename)
|
|
else
|
|
filename = "nil"
|
|
end
|
|
if runtime_3f then
|
|
return string.format("{%s}", mapped_str)
|
|
else
|
|
return string.format("setmetatable({%s}, {filename=%s, line=%s, sequence=%s})", mapped_str, filename, (source.line or "nil"), "(getmetatable(_G.sequence()))['sequence']")
|
|
end
|
|
elseif (type(form) == "table") then
|
|
local source = getmetatable(form)
|
|
local filename = nil
|
|
if source.filename then
|
|
filename = string.format("%q", source.filename)
|
|
else
|
|
filename = "nil"
|
|
end
|
|
local function _482_()
|
|
if source then
|
|
return source.line
|
|
else
|
|
return "nil"
|
|
end
|
|
end
|
|
return string.format("setmetatable({%s}, {filename=%s, line=%s})", mixed_concat(quote_all(form), ", "), filename, _482_())
|
|
elseif (type(form) == "string") then
|
|
return serialize_string(form)
|
|
else
|
|
return tostring(form)
|
|
end
|
|
end
|
|
return {["apply-deferred-scope-changes"] = apply_deferred_scope_changes, ["check-binding-valid"] = check_binding_valid, ["compile-stream"] = compile_stream, ["compile-string"] = compile_string, ["declare-local"] = declare_local, ["do-quote"] = do_quote, ["global-allowed?"] = global_allowed_3f, ["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, getinfo = getinfo, macroexpand = macroexpand_2a, metadata = make_metadata(), scopes = scopes, sourcemap = sourcemap, traceback = traceback}
|
|
end
|
|
package.preload["fennel.friend"] = package.preload["fennel.friend"] or function(...)
|
|
local _193_ = require("fennel.utils")
|
|
local utils = _193_
|
|
local unpack = _193_["unpack"]
|
|
local utf8_ok_3f, utf8 = pcall(require, "utf8")
|
|
local suggestions = {["$ and $... in hashfn are mutually exclusive"] = {"modifying the hashfn so it only contains $... or $, $1, $2, $3, etc"}, ["can't introduce (.*) here"] = {"declaring the local at the top-level"}, ["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", "making sure to use prefix operators, not infix"}, ["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 at least one pattern/body pair"] = {"adding a pattern and a body to execute when the pattern matches"}, ["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 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 range to include start and stop"] = {"adding missing arguments"}, ["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"}, ["invalid 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"}, ["missing subject"] = {"adding an item to operate on"}, ["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 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"}, ["tried to use unquote outside quote"] = {"moving the form to inside a quoted form", "removing the comma"}, ["tried to use vararg with operator"] = {"accumulating over the operands"}, ["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 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"}, ["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"}, ["use of global (.*) is aliased by a local"] = {"renaming local %s", "refer to the global using _G.%s instead of directly"}}
|
|
local function suggest(msg)
|
|
local s = nil
|
|
for pat, sug in pairs(suggestions) do
|
|
if s then break end
|
|
local matches = {msg:match(pat)}
|
|
if next(matches) then
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, s0 in ipairs(sug) do
|
|
local val_19_ = s0:format(unpack(matches))
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
s = tbl_17_
|
|
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(_G.io.open(filename))
|
|
local function close_handlers_10_(ok_11_, ...)
|
|
f:close()
|
|
if ok_11_ then
|
|
return ...
|
|
else
|
|
return error(..., 0)
|
|
end
|
|
end
|
|
local function _197_()
|
|
for _ = 2, line do
|
|
f:read()
|
|
end
|
|
return f:read()
|
|
end
|
|
return close_handlers_10_(_G.xpcall(_197_, (package.loaded.fennel or debug).traceback))
|
|
end
|
|
end
|
|
local function sub(str, start, _end)
|
|
if ((_end < start) or (#str < start)) then
|
|
return ""
|
|
elseif utf8_ok_3f then
|
|
return string.sub(str, utf8.offset(str, start), ((utf8.offset(str, (_end + 1)) or (utf8.len(str) + 1)) - 1))
|
|
else
|
|
return string.sub(str, start, math.min(_end, str:len()))
|
|
end
|
|
end
|
|
local function highlight_line(codeline, col, _3fendcol, opts)
|
|
if ((opts and (false == opts["error-pinpoint"])) or (os and os.getenv and os.getenv("NO_COLOR"))) then
|
|
return codeline
|
|
else
|
|
local _200_ = (opts or {})
|
|
local error_pinpoint = _200_["error-pinpoint"]
|
|
local endcol = (_3fendcol or col)
|
|
local eol = nil
|
|
if utf8_ok_3f then
|
|
eol = utf8.len(codeline)
|
|
else
|
|
eol = string.len(codeline)
|
|
end
|
|
local _202_ = (error_pinpoint or {"\27[7m", "\27[0m"})
|
|
local open = _202_[1]
|
|
local close = _202_[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, _204_0, source, opts)
|
|
local _205_ = _204_0
|
|
local col = _205_["col"]
|
|
local endcol = _205_["endcol"]
|
|
local endline = _205_["endline"]
|
|
local filename = _205_["filename"]
|
|
local line = _205_["line"]
|
|
local ok, codeline = pcall(read_line, filename, line, source)
|
|
local endcol0 = nil
|
|
if (ok and codeline and (line ~= endline)) then
|
|
endcol0 = #codeline
|
|
else
|
|
endcol0 = endcol
|
|
end
|
|
local out = {msg, ""}
|
|
if (ok and codeline) then
|
|
if col then
|
|
table.insert(out, highlight_line(codeline, col, endcol0, opts))
|
|
else
|
|
table.insert(out, codeline)
|
|
end
|
|
end
|
|
for _, suggestion in ipairs((suggest(msg) or {})) do
|
|
table.insert(out, ("* Try %s."):format(suggestion))
|
|
end
|
|
return table.concat(out, "\n")
|
|
end
|
|
local function assert_compile(condition, msg, ast, source, opts)
|
|
if not condition then
|
|
local _209_ = utils["ast-source"](ast)
|
|
local col = _209_["col"]
|
|
local filename = _209_["filename"]
|
|
local line = _209_["line"]
|
|
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)
|
|
end
|
|
return condition
|
|
end
|
|
local function parse_error(msg, filename, line, col, source, opts)
|
|
return error(friendly_msg(("%s:%s:%s: Parse error: %s"):format(filename, line, col, msg), {col = col, filename = filename, line = line}, source, opts), 0)
|
|
end
|
|
return {["assert-compile"] = assert_compile, ["parse-error"] = parse_error}
|
|
end
|
|
package.preload["fennel.parser"] = package.preload["fennel.parser"] or function(...)
|
|
local _192_ = require("fennel.utils")
|
|
local utils = _192_
|
|
local unpack = _192_["unpack"]
|
|
local friend = require("fennel.friend")
|
|
local function granulate(getchunk)
|
|
local c, index, done_3f = "", 1, false
|
|
local function _211_(parser_state)
|
|
if not done_3f then
|
|
if (index <= #c) then
|
|
local b = c:byte(index)
|
|
index = (index + 1)
|
|
return b
|
|
else
|
|
local _212_0 = getchunk(parser_state)
|
|
if (nil ~= _212_0) then
|
|
local input = _212_0
|
|
c, index = input, 2
|
|
return c:byte()
|
|
else
|
|
local _ = _212_0
|
|
done_3f = true
|
|
return nil
|
|
end
|
|
end
|
|
end
|
|
end
|
|
local function _216_()
|
|
c = ""
|
|
return nil
|
|
end
|
|
return _211_, _216_
|
|
end
|
|
local function string_stream(str, _3foptions)
|
|
local str0 = str:gsub("^#!", ";;")
|
|
if _3foptions then
|
|
_3foptions.source = str0
|
|
end
|
|
local index = 1
|
|
local function _218_()
|
|
local r = str0:byte(index)
|
|
index = (index + 1)
|
|
return r
|
|
end
|
|
return _218_
|
|
end
|
|
local delims = {[123] = 125, [125] = true, [40] = 41, [41] = true, [91] = 93, [93] = true}
|
|
local function sym_char_3f(b)
|
|
local b0 = nil
|
|
if ("number" == type(b)) then
|
|
b0 = b
|
|
else
|
|
b0 = string.byte(b)
|
|
end
|
|
return ((32 < b0) and not delims[b0] and (b0 ~= 127) and (b0 ~= 34) and (b0 ~= 39) and (b0 ~= 126) and (b0 ~= 59) and (b0 ~= 44) and (b0 ~= 64) and (b0 ~= 96))
|
|
end
|
|
local prefixes = {[35] = "hashfn", [39] = "quote", [44] = "unquote", [96] = "quote"}
|
|
local nan, negative_nan = nil, nil
|
|
if (45 == string.byte(tostring((0 / 0)))) then
|
|
nan, negative_nan = ( - (0 / 0)), (0 / 0)
|
|
else
|
|
nan, negative_nan = (0 / 0), ( - (0 / 0))
|
|
end
|
|
local function char_starter_3f(b)
|
|
return (((1 < b) and (b < 127)) or ((192 < b) and (b < 247)))
|
|
end
|
|
local function parser_fn(getbyte, filename, _221_0)
|
|
local _222_ = _221_0
|
|
local options = _222_
|
|
local comments = _222_["comments"]
|
|
local source = _222_["source"]
|
|
local unfriendly = _222_["unfriendly"]
|
|
local stack = {}
|
|
local line, byteindex, col, prev_col, lastb = 1, 0, 0, 0, nil
|
|
local function ungetb(ub)
|
|
if char_starter_3f(ub) then
|
|
col = (col - 1)
|
|
end
|
|
if (ub == 10) then
|
|
line, col = (line - 1), prev_col
|
|
end
|
|
byteindex = (byteindex - 1)
|
|
lastb = ub
|
|
return nil
|
|
end
|
|
local function getb()
|
|
local r = nil
|
|
if lastb then
|
|
r, lastb = lastb, nil
|
|
else
|
|
r = getbyte({["stack-size"] = #stack})
|
|
end
|
|
if r then
|
|
byteindex = (byteindex + 1)
|
|
end
|
|
if (r and char_starter_3f(r)) then
|
|
col = (col + 1)
|
|
end
|
|
if (r == 10) then
|
|
line, col, prev_col = (line + 1), 0, col
|
|
end
|
|
return r
|
|
end
|
|
local function warn(...)
|
|
return (options.warn or utils.warn)(...)
|
|
end
|
|
local function whitespace_3f(b)
|
|
local function _230_()
|
|
local _229_0 = options.whitespace
|
|
if (nil ~= _229_0) then
|
|
_229_0 = _229_0[b]
|
|
end
|
|
return _229_0
|
|
end
|
|
return ((b == 32) or ((9 <= b) and (b <= 13)) or _230_())
|
|
end
|
|
local function parse_error(msg, _3fcol_adjust)
|
|
local col0 = (col + (_3fcol_adjust or -1))
|
|
if (nil == utils["hook-opts"]("parse-error", options, msg, filename, (line or "?"), col0, source, utils.root.reset)) then
|
|
utils.root.reset()
|
|
if unfriendly then
|
|
return error(string.format("%s:%s:%s: Parse error: %s", filename, (line or "?"), col0, msg), 0)
|
|
else
|
|
return friend["parse-error"](msg, filename, (line or "?"), col0, source, options)
|
|
end
|
|
end
|
|
end
|
|
local function parse_stream()
|
|
local whitespace_since_dispatch, done_3f, retval = true
|
|
local function set_source_fields(source0)
|
|
source0.byteend, source0.endcol, source0.endline = byteindex, (col - 1), line
|
|
return nil
|
|
end
|
|
local function dispatch(v, _3fsource, _3fraw)
|
|
whitespace_since_dispatch = false
|
|
local v0 = nil
|
|
do
|
|
local _234_0 = utils["hook-opts"]("parse-form", options, v, _3fsource, _3fraw, stack)
|
|
if (nil ~= _234_0) then
|
|
local hookv = _234_0
|
|
v0 = hookv
|
|
else
|
|
local _ = _234_0
|
|
v0 = v
|
|
end
|
|
end
|
|
local _236_0 = stack[#stack]
|
|
if (_236_0 == nil) then
|
|
retval, done_3f = v0, true
|
|
return nil
|
|
elseif ((_G.type(_236_0) == "table") and (nil ~= _236_0.prefix)) then
|
|
local prefix = _236_0.prefix
|
|
local source0 = nil
|
|
do
|
|
local _237_0 = table.remove(stack)
|
|
set_source_fields(_237_0)
|
|
source0 = _237_0
|
|
end
|
|
local list = utils.list(utils.sym(prefix, source0), v0)
|
|
return dispatch(utils.copy(source0, list))
|
|
elseif (nil ~= _236_0) then
|
|
local top = _236_0
|
|
return table.insert(top, v0)
|
|
end
|
|
end
|
|
local function badend()
|
|
local closers = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, _239_0 in ipairs(stack) do
|
|
local _240_ = _239_0
|
|
local closer = _240_["closer"]
|
|
local val_19_ = closer
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
closers = tbl_17_
|
|
end
|
|
local _242_
|
|
if (#stack == 1) then
|
|
_242_ = ""
|
|
else
|
|
_242_ = "s"
|
|
end
|
|
return parse_error(string.format("expected closing delimiter%s %s", _242_, string.char(unpack(closers))), 0)
|
|
end
|
|
local function skip_whitespace(b, close_table)
|
|
if (b and whitespace_3f(b)) then
|
|
whitespace_since_dispatch = true
|
|
return skip_whitespace(getb(), close_table)
|
|
elseif (not b and next(stack)) then
|
|
badend()
|
|
for i = #stack, 2, -1 do
|
|
close_table(stack[i].closer)
|
|
end
|
|
return stack[1].closer
|
|
else
|
|
return b
|
|
end
|
|
end
|
|
local function parse_comment(b, contents)
|
|
if (b and (10 ~= b)) then
|
|
local function _245_()
|
|
table.insert(contents, string.char(b))
|
|
return contents
|
|
end
|
|
return parse_comment(getb(), _245_())
|
|
elseif comments then
|
|
ungetb(10)
|
|
return dispatch(utils.comment(table.concat(contents), {filename = filename, line = line}))
|
|
end
|
|
end
|
|
local function open_table(b)
|
|
if not whitespace_since_dispatch then
|
|
parse_error(("expected whitespace before opening delimiter " .. string.char(b)))
|
|
end
|
|
return table.insert(stack, {bytestart = byteindex, closer = delims[b], col = (col - 1), filename = filename, line = line})
|
|
end
|
|
local function close_list(list)
|
|
return dispatch(setmetatable(list, getmetatable(utils.list())))
|
|
end
|
|
local function close_sequence(tbl)
|
|
local mt = getmetatable(utils.sequence())
|
|
for k, v in pairs(tbl) do
|
|
if ("number" ~= type(k)) then
|
|
mt[k] = v
|
|
tbl[k] = nil
|
|
end
|
|
end
|
|
return dispatch(setmetatable(tbl, mt))
|
|
end
|
|
local function add_comment_at(comments0, index, node)
|
|
local _249_0 = comments0[index]
|
|
if (nil ~= _249_0) then
|
|
local existing = _249_0
|
|
return table.insert(existing, node)
|
|
else
|
|
local _ = _249_0
|
|
comments0[index] = {node}
|
|
return nil
|
|
end
|
|
end
|
|
local function next_noncomment(tbl, i)
|
|
if utils["comment?"](tbl[i]) then
|
|
return next_noncomment(tbl, (i + 1))
|
|
elseif utils["sym?"](tbl[i], ":") then
|
|
return tostring(tbl[(i + 1)])
|
|
else
|
|
return tbl[i]
|
|
end
|
|
end
|
|
local function extract_comments(tbl)
|
|
local comments0 = {keys = {}, last = {}, values = {}}
|
|
while utils["comment?"](tbl[#tbl]) do
|
|
table.insert(comments0.last, 1, table.remove(tbl))
|
|
end
|
|
local last_key_3f = false
|
|
for i, node in ipairs(tbl) do
|
|
if not utils["comment?"](node) then
|
|
last_key_3f = not last_key_3f
|
|
elseif last_key_3f then
|
|
add_comment_at(comments0.values, next_noncomment(tbl, i), node)
|
|
else
|
|
add_comment_at(comments0.keys, next_noncomment(tbl, i), node)
|
|
end
|
|
end
|
|
for i = #tbl, 1, -1 do
|
|
if utils["comment?"](tbl[i]) then
|
|
table.remove(tbl, i)
|
|
end
|
|
end
|
|
return comments0
|
|
end
|
|
local function close_curly_table(tbl)
|
|
local comments0 = extract_comments(tbl)
|
|
local keys = {}
|
|
local val = {}
|
|
if ((#tbl % 2) ~= 0) then
|
|
byteindex = (byteindex - 1)
|
|
parse_error("expected even number of values in table literal")
|
|
end
|
|
setmetatable(val, tbl)
|
|
for i = 1, #tbl, 2 do
|
|
if ((tostring(tbl[i]) == ":") and utils["sym?"](tbl[(i + 1)]) and utils["sym?"](tbl[i])) then
|
|
tbl[i] = tostring(tbl[(i + 1)])
|
|
end
|
|
val[tbl[i]] = tbl[(i + 1)]
|
|
table.insert(keys, tbl[i])
|
|
end
|
|
tbl.comments = comments0
|
|
tbl.keys = keys
|
|
return dispatch(val)
|
|
end
|
|
local function close_table(b)
|
|
local top = table.remove(stack)
|
|
if (top == nil) then
|
|
parse_error(("unexpected closing delimiter " .. string.char(b)))
|
|
end
|
|
if (top.closer and (top.closer ~= b)) then
|
|
parse_error(("mismatched closing delimiter " .. string.char(b) .. ", expected " .. string.char(top.closer)))
|
|
end
|
|
set_source_fields(top)
|
|
if (b == 41) then
|
|
return close_list(top)
|
|
elseif (b == 93) then
|
|
return close_sequence(top)
|
|
else
|
|
return close_curly_table(top)
|
|
end
|
|
end
|
|
local function parse_string_loop(chars, b, state)
|
|
if b then
|
|
table.insert(chars, string.char(b))
|
|
end
|
|
local state0 = nil
|
|
do
|
|
local _260_0 = {state, b}
|
|
if ((_G.type(_260_0) == "table") and (_260_0[1] == "base") and (_260_0[2] == 92)) then
|
|
state0 = "backslash"
|
|
elseif ((_G.type(_260_0) == "table") and (_260_0[1] == "base") and (_260_0[2] == 34)) then
|
|
state0 = "done"
|
|
elseif ((_G.type(_260_0) == "table") and (_260_0[1] == "backslash") and (_260_0[2] == 10)) then
|
|
table.remove(chars, (#chars - 1))
|
|
state0 = "base"
|
|
else
|
|
local _ = _260_0
|
|
state0 = "base"
|
|
end
|
|
end
|
|
if (b and (state0 ~= "done")) then
|
|
return parse_string_loop(chars, getb(), state0)
|
|
else
|
|
return b
|
|
end
|
|
end
|
|
local function escape_char(c)
|
|
return ({[10] = "\\n", [11] = "\\v", [12] = "\\f", [13] = "\\r", [7] = "\\a", [8] = "\\b", [9] = "\\t"})[c:byte()]
|
|
end
|
|
local function parse_string(source0)
|
|
if not whitespace_since_dispatch then
|
|
warn("expected whitespace before string", nil, filename, line)
|
|
end
|
|
table.insert(stack, {closer = 34})
|
|
local chars = {"\""}
|
|
if not parse_string_loop(chars, getb(), "base") then
|
|
badend()
|
|
end
|
|
table.remove(stack)
|
|
local raw = table.concat(chars)
|
|
local formatted = raw:gsub("[\7-\13]", escape_char)
|
|
local _265_0 = (rawget(_G, "loadstring") or load)(("return " .. formatted))
|
|
if (nil ~= _265_0) then
|
|
local load_fn = _265_0
|
|
return dispatch(load_fn(), source0, raw)
|
|
elseif (_265_0 == nil) then
|
|
return parse_error(("Invalid string: " .. raw))
|
|
end
|
|
end
|
|
local function parse_prefix(b)
|
|
table.insert(stack, {bytestart = byteindex, col = (col - 1), filename = filename, line = line, prefix = prefixes[b]})
|
|
local nextb = getb()
|
|
local trailing_whitespace_3f = (whitespace_3f(nextb) or (true == delims[nextb]))
|
|
if (trailing_whitespace_3f and (b ~= 35)) then
|
|
parse_error("invalid whitespace after quoting prefix")
|
|
end
|
|
ungetb(nextb)
|
|
if (trailing_whitespace_3f and (b == 35)) then
|
|
local source0 = table.remove(stack)
|
|
set_source_fields(source0)
|
|
return dispatch(utils.sym("#", source0))
|
|
end
|
|
end
|
|
local function parse_sym_loop(chars, b)
|
|
if (b and sym_char_3f(b)) then
|
|
table.insert(chars, string.char(b))
|
|
return parse_sym_loop(chars, getb())
|
|
else
|
|
if b then
|
|
ungetb(b)
|
|
end
|
|
return chars
|
|
end
|
|
end
|
|
local function parse_number(rawstr, source0)
|
|
local trimmed = (not rawstr:find("^_") and rawstr:gsub("_", ""))
|
|
if ((trimmed == "nan") or (trimmed == "-nan")) then
|
|
return false
|
|
elseif rawstr:match("^%d") then
|
|
dispatch((tonumber(trimmed) or parse_error(("could not read number \"" .. rawstr .. "\""))), source0, rawstr)
|
|
return true
|
|
else
|
|
local _271_0 = tonumber(trimmed)
|
|
if (nil ~= _271_0) then
|
|
local x = _271_0
|
|
dispatch(x, source0, rawstr)
|
|
return true
|
|
else
|
|
local _ = _271_0
|
|
return false
|
|
end
|
|
end
|
|
end
|
|
local function check_malformed_sym(rawstr)
|
|
local function col_adjust(pat)
|
|
return (rawstr:find(pat) - utils.len(rawstr) - 1)
|
|
end
|
|
if (rawstr:match("^~") and (rawstr ~= "~=")) then
|
|
parse_error("invalid character: ~")
|
|
elseif (rawstr:match("[%.:][%.:]") and (rawstr ~= "..") and (rawstr ~= "$...")) then
|
|
parse_error(("malformed multisym: " .. rawstr), col_adjust("[%.:][%.:]"))
|
|
elseif ((rawstr ~= ":") and rawstr:match(":$")) then
|
|
parse_error(("malformed multisym: " .. rawstr), col_adjust(":$"))
|
|
elseif rawstr:match(":.+[%.:]") then
|
|
parse_error(("method must be last component of multisym: " .. rawstr), col_adjust(":.+[%.:]"))
|
|
end
|
|
if not whitespace_since_dispatch then
|
|
warn("expected whitespace before token", nil, filename, line)
|
|
end
|
|
return rawstr
|
|
end
|
|
local function parse_sym(b)
|
|
local source0 = {bytestart = byteindex, col = (col - 1), filename = filename, line = line}
|
|
local rawstr = table.concat(parse_sym_loop({string.char(b)}, getb()))
|
|
set_source_fields(source0)
|
|
if (rawstr == "true") then
|
|
return dispatch(true, source0)
|
|
elseif (rawstr == "false") then
|
|
return dispatch(false, source0)
|
|
elseif (rawstr == "...") then
|
|
return dispatch(utils.varg(source0))
|
|
elseif (rawstr == ".inf") then
|
|
return dispatch((1 / 0), source0, rawstr)
|
|
elseif (rawstr == "-.inf") then
|
|
return dispatch((-1 / 0), source0, rawstr)
|
|
elseif (rawstr == ".nan") then
|
|
return dispatch(nan, source0, rawstr)
|
|
elseif (rawstr == "-.nan") then
|
|
return dispatch(negative_nan, source0, rawstr)
|
|
elseif rawstr:match("^:.+$") then
|
|
return dispatch(rawstr:sub(2), source0, rawstr)
|
|
elseif not parse_number(rawstr, source0) then
|
|
return dispatch(utils.sym(check_malformed_sym(rawstr), source0))
|
|
end
|
|
end
|
|
local function parse_loop(b)
|
|
if not b then
|
|
elseif (b == 59) then
|
|
parse_comment(getb(), {";"})
|
|
elseif (type(delims[b]) == "number") then
|
|
open_table(b)
|
|
elseif delims[b] then
|
|
close_table(b)
|
|
elseif (b == 34) then
|
|
parse_string({bytestart = byteindex, col = col, filename = filename, line = line})
|
|
elseif prefixes[b] then
|
|
parse_prefix(b)
|
|
elseif (sym_char_3f(b) or (b == string.byte("~"))) then
|
|
parse_sym(b)
|
|
elseif not utils["hook-opts"]("illegal-char", options, b, getb, ungetb, dispatch) then
|
|
parse_error(("invalid character: " .. string.char(b)))
|
|
end
|
|
if not b then
|
|
return nil
|
|
elseif done_3f then
|
|
return true, retval
|
|
else
|
|
return parse_loop(skip_whitespace(getb(), close_table))
|
|
end
|
|
end
|
|
return parse_loop(skip_whitespace(getb(), close_table))
|
|
end
|
|
local function _279_()
|
|
stack, line, byteindex, col, lastb = {}, 1, 0, 0, ((lastb ~= 10) and lastb)
|
|
return nil
|
|
end
|
|
return parse_stream, _279_
|
|
end
|
|
local function parser(stream_or_string, _3ffilename, _3foptions)
|
|
local filename = (_3ffilename or "unknown")
|
|
local options = (_3foptions or utils.root.options or {})
|
|
assert(("string" == type(filename)), "expected filename as second argument to parser")
|
|
if ("string" == type(stream_or_string)) then
|
|
return parser_fn(string_stream(stream_or_string, options), filename, options)
|
|
else
|
|
return parser_fn(stream_or_string, filename, options)
|
|
end
|
|
end
|
|
return {["string-stream"] = string_stream, ["sym-char?"] = sym_char_3f, granulate = granulate, parser = parser}
|
|
end
|
|
local utils = nil
|
|
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 default_opts = {["detect-cycles?"] = true, ["empty-as-sequence?"] = false, ["escape-newlines?"] = false, ["line-length"] = 80, ["max-sparse-gap"] = 1, ["metamethod?"] = true, ["one-line?"] = false, ["prefer-colon?"] = false, ["utf8?"] = true, depth = 128}
|
|
local lua_pairs = pairs
|
|
local lua_ipairs = ipairs
|
|
local function pairs(t)
|
|
local _1_0 = getmetatable(t)
|
|
if ((_G.type(_1_0) == "table") and (nil ~= _1_0.__pairs)) then
|
|
local p = _1_0.__pairs
|
|
return p(t)
|
|
else
|
|
local _ = _1_0
|
|
return lua_pairs(t)
|
|
end
|
|
end
|
|
local function ipairs(t)
|
|
local _3_0 = getmetatable(t)
|
|
if ((_G.type(_3_0) == "table") and (nil ~= _3_0.__ipairs)) then
|
|
local i = _3_0.__ipairs
|
|
return i(t)
|
|
else
|
|
local _ = _3_0
|
|
return lua_ipairs(t)
|
|
end
|
|
end
|
|
local function length_2a(t)
|
|
local _5_0 = getmetatable(t)
|
|
if ((_G.type(_5_0) == "table") and (nil ~= _5_0.__len)) then
|
|
local l = _5_0.__len
|
|
return l(t)
|
|
else
|
|
local _ = _5_0
|
|
return #t
|
|
end
|
|
end
|
|
local function get_default(key)
|
|
local _7_0 = default_opts[key]
|
|
if (_7_0 == nil) then
|
|
return error(("option '%s' doesn't have a default value, use the :after key to set it"):format(tostring(key)))
|
|
elseif (nil ~= _7_0) then
|
|
local v = _7_0
|
|
return v
|
|
end
|
|
end
|
|
local function getopt(options, key)
|
|
local _9_0 = options[key]
|
|
if ((_G.type(_9_0) == "table") and (nil ~= _9_0.once)) then
|
|
local val_2a = _9_0.once
|
|
return val_2a
|
|
else
|
|
local _3fval = _9_0
|
|
return _3fval
|
|
end
|
|
end
|
|
local function normalize_opts(options)
|
|
local tbl_14_ = {}
|
|
for k, v in pairs(options) do
|
|
local k_15_, v_16_ = nil, nil
|
|
local function _12_()
|
|
local _11_0 = v
|
|
if ((_G.type(_11_0) == "table") and (nil ~= _11_0.after)) then
|
|
local val = _11_0.after
|
|
return val
|
|
else
|
|
local function _13_()
|
|
return v.once
|
|
end
|
|
if ((_G.type(_11_0) == "table") and _13_()) then
|
|
return get_default(k)
|
|
else
|
|
local _ = _11_0
|
|
return v
|
|
end
|
|
end
|
|
end
|
|
k_15_, v_16_ = k, _12_()
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
return tbl_14_
|
|
end
|
|
local function sort_keys(_16_0, _18_0)
|
|
local _17_ = _16_0
|
|
local a = _17_[1]
|
|
local _19_ = _18_0
|
|
local b = _19_[1]
|
|
local ta = type(a)
|
|
local tb = type(b)
|
|
if ((ta == tb) and ((ta == "string") or (ta == "number"))) then
|
|
return (a < b)
|
|
else
|
|
local dta = type_order[ta]
|
|
local dtb = type_order[tb]
|
|
if (dta and dtb) then
|
|
return (dta < dtb)
|
|
elseif dta then
|
|
return true
|
|
elseif dtb then
|
|
return false
|
|
else
|
|
return (ta < tb)
|
|
end
|
|
end
|
|
end
|
|
local function max_index_gap(kv)
|
|
local gap = 0
|
|
if (0 < length_2a(kv)) then
|
|
local i = 0
|
|
for _, _22_0 in ipairs(kv) do
|
|
local _23_ = _22_0
|
|
local k = _23_[1]
|
|
if (gap < (k - i)) then
|
|
gap = (k - i)
|
|
end
|
|
i = k
|
|
end
|
|
end
|
|
return gap
|
|
end
|
|
local function fill_gaps(kv)
|
|
local missing_indexes = {}
|
|
local i = 0
|
|
for _, _26_0 in ipairs(kv) do
|
|
local _27_ = _26_0
|
|
local j = _27_[1]
|
|
i = (i + 1)
|
|
while (i < j) do
|
|
table.insert(missing_indexes, i)
|
|
i = (i + 1)
|
|
end
|
|
end
|
|
for _, k in ipairs(missing_indexes) do
|
|
table.insert(kv, k, {k})
|
|
end
|
|
return nil
|
|
end
|
|
local function table_kv_pairs(t, options)
|
|
if (("number" ~= type(options["max-sparse-gap"])) or (options["max-sparse-gap"] ~= math.floor(options["max-sparse-gap"]))) then
|
|
error(("max-sparse-gap must be an integer: got '%s'"):format(tostring(options["max-sparse-gap"])))
|
|
end
|
|
local assoc_3f = false
|
|
local kv = {}
|
|
local insert = table.insert
|
|
for k, v in pairs(t) do
|
|
if (("number" ~= type(k)) or (k < 1) or (k ~= math.floor(k))) then
|
|
assoc_3f = true
|
|
end
|
|
insert(kv, {k, v})
|
|
end
|
|
table.sort(kv, sort_keys)
|
|
if not assoc_3f then
|
|
if (options["max-sparse-gap"] < max_index_gap(kv)) then
|
|
assoc_3f = true
|
|
else
|
|
fill_gaps(kv)
|
|
end
|
|
end
|
|
if (length_2a(kv) == 0) then
|
|
return kv, "empty"
|
|
else
|
|
local function _32_()
|
|
if assoc_3f then
|
|
return "table"
|
|
else
|
|
return "seq"
|
|
end
|
|
end
|
|
return kv, _32_()
|
|
end
|
|
end
|
|
local function count_table_appearances(t, appearances)
|
|
if (type(t) == "table") then
|
|
if not appearances[t] then
|
|
appearances[t] = 1
|
|
for k, v in pairs(t) do
|
|
count_table_appearances(k, appearances)
|
|
count_table_appearances(v, appearances)
|
|
end
|
|
else
|
|
appearances[t] = ((appearances[t] or 0) + 1)
|
|
end
|
|
end
|
|
return appearances
|
|
end
|
|
local function save_table(t, seen)
|
|
local seen0 = (seen or {len = 0})
|
|
local id = (seen0.len + 1)
|
|
if not seen0[t] then
|
|
seen0[t] = id
|
|
seen0.len = id
|
|
end
|
|
return seen0
|
|
end
|
|
local function detect_cycle(t, seen)
|
|
if ("table" == type(t)) then
|
|
seen[t] = true
|
|
local res = nil
|
|
for k, v in pairs(t) do
|
|
if res then break end
|
|
res = (seen[k] or detect_cycle(k, seen) or seen[v] or detect_cycle(v, seen))
|
|
end
|
|
return res
|
|
end
|
|
end
|
|
local function visible_cycle_3f(t, options)
|
|
return (getopt(options, "detect-cycles?") and detect_cycle(t, {}) and save_table(t, options.seen) and (1 < (options.appearances[t] or 0)))
|
|
end
|
|
local function table_indent(indent, id)
|
|
local opener_length = nil
|
|
if id then
|
|
opener_length = (length_2a(tostring(id)) + 2)
|
|
else
|
|
opener_length = 1
|
|
end
|
|
return (indent + opener_length)
|
|
end
|
|
local pp = nil
|
|
local function concat_table_lines(elements, options, multiline_3f, indent, table_type, prefix, last_comment_3f)
|
|
local indent_str = ("\n" .. string.rep(" ", indent))
|
|
local open = nil
|
|
local function _39_()
|
|
if ("seq" == table_type) then
|
|
return "["
|
|
else
|
|
return "{"
|
|
end
|
|
end
|
|
open = ((prefix or "") .. _39_())
|
|
local close = nil
|
|
if ("seq" == table_type) then
|
|
close = "]"
|
|
else
|
|
close = "}"
|
|
end
|
|
local oneline = (open .. table.concat(elements, " ") .. close)
|
|
if (not getopt(options, "one-line?") and (multiline_3f or (options["line-length"] < (indent + length_2a(oneline))) or last_comment_3f)) then
|
|
local function _41_()
|
|
if last_comment_3f then
|
|
return indent_str
|
|
else
|
|
return ""
|
|
end
|
|
end
|
|
return (open .. table.concat(elements, indent_str) .. _41_() .. close)
|
|
else
|
|
return oneline
|
|
end
|
|
end
|
|
local function utf8_len(x)
|
|
local n = 0
|
|
for _ in string.gmatch(x, "[%z\1-\127\192-\247]") do
|
|
n = (n + 1)
|
|
end
|
|
return n
|
|
end
|
|
local function comment_3f(x)
|
|
if ("table" == type(x)) then
|
|
local fst = x[1]
|
|
return (("string" == type(fst)) and (nil ~= fst:find("^;")))
|
|
else
|
|
return false
|
|
end
|
|
end
|
|
local function pp_associative(t, kv, options, indent)
|
|
local multiline_3f = false
|
|
local id = options.seen[t]
|
|
if (options.depth <= options.level) then
|
|
return "{...}"
|
|
elseif (id and getopt(options, "detect-cycles?")) then
|
|
return ("@" .. id .. "{...}")
|
|
else
|
|
local visible_cycle_3f0 = visible_cycle_3f(t, options)
|
|
local id0 = (visible_cycle_3f0 and options.seen[t])
|
|
local indent0 = table_indent(indent, id0)
|
|
local slength = nil
|
|
if getopt(options, "utf8?") then
|
|
slength = utf8_len
|
|
else
|
|
local function _44_(_241)
|
|
return #_241
|
|
end
|
|
slength = _44_
|
|
end
|
|
local prefix = nil
|
|
if visible_cycle_3f0 then
|
|
prefix = ("@" .. id0)
|
|
else
|
|
prefix = ""
|
|
end
|
|
local items = nil
|
|
do
|
|
local options0 = normalize_opts(options)
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, _47_0 in ipairs(kv) do
|
|
local _48_ = _47_0
|
|
local k = _48_[1]
|
|
local v = _48_[2]
|
|
local val_19_ = nil
|
|
do
|
|
local k0 = pp(k, options0, (indent0 + 1), true)
|
|
local v0 = pp(v, options0, (indent0 + slength(k0) + 1))
|
|
multiline_3f = (multiline_3f or k0:find("\n") or v0:find("\n"))
|
|
val_19_ = (k0 .. " " .. v0)
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
items = tbl_17_
|
|
end
|
|
return concat_table_lines(items, options, multiline_3f, indent0, "table", prefix, false)
|
|
end
|
|
end
|
|
local function pp_sequence(t, kv, options, indent)
|
|
local multiline_3f = false
|
|
local id = options.seen[t]
|
|
if (options.depth <= options.level) then
|
|
return "[...]"
|
|
elseif (id and getopt(options, "detect-cycles?")) then
|
|
return ("@" .. id .. "[...]")
|
|
else
|
|
local visible_cycle_3f0 = visible_cycle_3f(t, options)
|
|
local id0 = (visible_cycle_3f0 and options.seen[t])
|
|
local indent0 = table_indent(indent, id0)
|
|
local prefix = nil
|
|
if visible_cycle_3f0 then
|
|
prefix = ("@" .. id0)
|
|
else
|
|
prefix = ""
|
|
end
|
|
local last_comment_3f = comment_3f(t[#t])
|
|
local items = nil
|
|
do
|
|
local options0 = normalize_opts(options)
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, _52_0 in ipairs(kv) do
|
|
local _53_ = _52_0
|
|
local _0 = _53_[1]
|
|
local v = _53_[2]
|
|
local val_19_ = nil
|
|
do
|
|
local v0 = pp(v, options0, indent0)
|
|
multiline_3f = (multiline_3f or v0:find("\n") or v0:find("^;"))
|
|
val_19_ = v0
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
items = tbl_17_
|
|
end
|
|
return concat_table_lines(items, options, multiline_3f, indent0, "seq", prefix, last_comment_3f)
|
|
end
|
|
end
|
|
local function concat_lines(lines, options, indent, force_multi_line_3f)
|
|
if (length_2a(lines) == 0) then
|
|
if getopt(options, "empty-as-sequence?") then
|
|
return "[]"
|
|
else
|
|
return "{}"
|
|
end
|
|
else
|
|
local oneline = nil
|
|
local _57_
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, line in ipairs(lines) do
|
|
local val_19_ = line:gsub("^%s+", "")
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
_57_ = tbl_17_
|
|
end
|
|
oneline = table.concat(_57_, " ")
|
|
if (not getopt(options, "one-line?") and (force_multi_line_3f or oneline:find("\n") or (options["line-length"] < (indent + length_2a(oneline))))) then
|
|
return table.concat(lines, ("\n" .. string.rep(" ", indent)))
|
|
else
|
|
return oneline
|
|
end
|
|
end
|
|
end
|
|
local function pp_metamethod(t, metamethod, options, indent)
|
|
if (options.depth <= options.level) then
|
|
if getopt(options, "empty-as-sequence?") then
|
|
return "[...]"
|
|
else
|
|
return "{...}"
|
|
end
|
|
else
|
|
local _ = nil
|
|
local function _62_(_241)
|
|
return visible_cycle_3f(_241, options)
|
|
end
|
|
options["visible-cycle?"] = _62_
|
|
_ = nil
|
|
local lines, force_multi_line_3f = nil, nil
|
|
do
|
|
local options0 = normalize_opts(options)
|
|
lines, force_multi_line_3f = metamethod(t, pp, options0, indent)
|
|
end
|
|
options["visible-cycle?"] = nil
|
|
local _63_0 = type(lines)
|
|
if (_63_0 == "string") then
|
|
return lines
|
|
elseif (_63_0 == "table") then
|
|
return concat_lines(lines, options, indent, force_multi_line_3f)
|
|
else
|
|
local _0 = _63_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 _66_0 = nil
|
|
if getopt(options, "metamethod?") then
|
|
local _67_0 = x
|
|
if (nil ~= _67_0) then
|
|
local _68_0 = getmetatable(_67_0)
|
|
if (nil ~= _68_0) then
|
|
_66_0 = _68_0.__fennelview
|
|
else
|
|
_66_0 = _68_0
|
|
end
|
|
else
|
|
_66_0 = _67_0
|
|
end
|
|
else
|
|
_66_0 = nil
|
|
end
|
|
if (nil ~= _66_0) then
|
|
local metamethod = _66_0
|
|
x0 = pp_metamethod(x, metamethod, options, indent)
|
|
else
|
|
local _ = _66_0
|
|
local _72_0, _73_0 = table_kv_pairs(x, options)
|
|
if (true and (_73_0 == "empty")) then
|
|
local _0 = _72_0
|
|
if getopt(options, "empty-as-sequence?") then
|
|
x0 = "[]"
|
|
else
|
|
x0 = "{}"
|
|
end
|
|
elseif ((nil ~= _72_0) and (_73_0 == "table")) then
|
|
local kv = _72_0
|
|
x0 = pp_associative(x, kv, options, indent)
|
|
elseif ((nil ~= _72_0) and (_73_0 == "seq")) then
|
|
local kv = _72_0
|
|
x0 = pp_sequence(x, kv, options, indent)
|
|
else
|
|
x0 = nil
|
|
end
|
|
end
|
|
end
|
|
options.level = (options.level - 1)
|
|
return x0
|
|
end
|
|
local function exponential_notation(n, fallback)
|
|
local s = nil
|
|
for i = 0, 99 do
|
|
if s then break end
|
|
local s0 = string.format(("%." .. i .. "e"), n)
|
|
if (n == tonumber(s0)) then
|
|
local exp = s0:match("e%+?(%d+)$")
|
|
if (exp and (14 < tonumber(exp))) then
|
|
s = s0
|
|
else
|
|
s = fallback
|
|
end
|
|
else
|
|
s = nil
|
|
end
|
|
end
|
|
return s
|
|
end
|
|
local inf_str = tostring((1 / 0))
|
|
local neg_inf_str = tostring((-1 / 0))
|
|
local function number__3estring(n, options)
|
|
local val = nil
|
|
if (n ~= n) then
|
|
if (45 == string.byte(tostring(n))) then
|
|
val = (options["negative-nan"] or "-.nan")
|
|
else
|
|
val = (options.nan or ".nan")
|
|
end
|
|
elseif (math.floor(n) == n) then
|
|
local s1 = string.format("%.0f", n)
|
|
if (s1 == inf_str) then
|
|
val = (options.infinity or ".inf")
|
|
elseif (s1 == neg_inf_str) then
|
|
val = (options["negative-infinity"] or "-.inf")
|
|
elseif (s1 == tostring(n)) then
|
|
val = s1
|
|
else
|
|
val = (exponential_notation(n, s1) or s1)
|
|
end
|
|
else
|
|
val = tostring(n)
|
|
end
|
|
local _82_0 = string.gsub(val, ",", ".")
|
|
return _82_0
|
|
end
|
|
local function colon_string_3f(s)
|
|
return s:find("^[-%w?^_!$%&*+./|<=>]+$")
|
|
end
|
|
local utf8_inits = {{["max-byte"] = 127, ["max-code"] = 127, ["min-byte"] = 0, ["min-code"] = 0, len = 1}, {["max-byte"] = 223, ["max-code"] = 2047, ["min-byte"] = 192, ["min-code"] = 128, len = 2}, {["max-byte"] = 239, ["max-code"] = 65535, ["min-byte"] = 224, ["min-code"] = 2048, len = 3}, {["max-byte"] = 247, ["max-code"] = 1114111, ["min-byte"] = 240, ["min-code"] = 65536, len = 4}}
|
|
local function default_byte_escape(byte, _options)
|
|
return ("\\%03d"):format(byte)
|
|
end
|
|
local function utf8_escape(str, options)
|
|
local function validate_utf8(str0, index)
|
|
local inits = utf8_inits
|
|
local byte = string.byte(str0, index)
|
|
local init = nil
|
|
do
|
|
local ret = nil
|
|
for _, init0 in ipairs(inits) do
|
|
if ret then break end
|
|
ret = (byte and (function(_83_,_84_,_85_) return (_83_ <= _84_) and (_84_ <= _85_) end)(init0["min-byte"],byte,init0["max-byte"]) and init0)
|
|
end
|
|
init = ret
|
|
end
|
|
local code = nil
|
|
local function _86_()
|
|
local code0 = nil
|
|
if init then
|
|
code0 = (byte - init["min-byte"])
|
|
else
|
|
code0 = nil
|
|
end
|
|
for i = (index + 1), (index + init.len + -1) do
|
|
local byte0 = string.byte(str0, i)
|
|
code0 = (byte0 and code0 and ((128 <= byte0) and (byte0 <= 191)) and ((code0 * 64) + (byte0 - 128)))
|
|
end
|
|
return code0
|
|
end
|
|
code = (init and _86_())
|
|
if (code and (function(_88_,_89_,_90_) return (_88_ <= _89_) and (_89_ <= _90_) end)(init["min-code"],code,init["max-code"]) and not ((55296 <= code) and (code <= 57343))) then
|
|
return init.len
|
|
end
|
|
end
|
|
local index = 1
|
|
local output = {}
|
|
local byte_escape = (getopt(options, "byte-escape") or default_byte_escape)
|
|
while (index <= #str) do
|
|
local nexti = (string.find(str, "[\128-\255]", index) or (#str + 1))
|
|
local len = validate_utf8(str, nexti)
|
|
table.insert(output, string.sub(str, index, (nexti + (len or 0) + -1)))
|
|
if (not len and (nexti <= #str)) then
|
|
table.insert(output, byte_escape(str:byte(nexti), options))
|
|
end
|
|
if len then
|
|
index = (nexti + len)
|
|
else
|
|
index = (nexti + 1)
|
|
end
|
|
end
|
|
return table.concat(output)
|
|
end
|
|
local function pp_string(str, options, indent)
|
|
local len = length_2a(str)
|
|
local esc_newline_3f = ((len < 2) or (getopt(options, "escape-newlines?") and (len < (options["line-length"] - indent))))
|
|
local byte_escape = (getopt(options, "byte-escape") or default_byte_escape)
|
|
local escs = nil
|
|
local _94_
|
|
if esc_newline_3f then
|
|
_94_ = "\\n"
|
|
else
|
|
_94_ = "\n"
|
|
end
|
|
local function _96_(_241, _242)
|
|
return byte_escape(_242:byte(), options)
|
|
end
|
|
escs = setmetatable({["\""] = "\\\"", ["\11"] = "\\v", ["\12"] = "\\f", ["\13"] = "\\r", ["\7"] = "\\a", ["\8"] = "\\b", ["\9"] = "\\t", ["\\"] = "\\\\", ["\n"] = _94_}, {__index = _96_})
|
|
local str0 = ("\"" .. str:gsub("[%c\\\"]", escs) .. "\"")
|
|
if getopt(options, "utf8?") then
|
|
return utf8_escape(str0, options)
|
|
else
|
|
return str0
|
|
end
|
|
end
|
|
local function make_options(t, options)
|
|
local defaults = nil
|
|
do
|
|
local tbl_14_ = {}
|
|
for k, v in pairs(default_opts) do
|
|
local k_15_, v_16_ = k, v
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
defaults = tbl_14_
|
|
end
|
|
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 _99_(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 _102_()
|
|
local _101_0 = getmetatable(x0)
|
|
if ((_G.type(_101_0) == "table") and true) then
|
|
local __fennelview = _101_0.__fennelview
|
|
return __fennelview
|
|
end
|
|
end
|
|
if ((tv == "table") or ((tv == "userdata") and _102_())) then
|
|
return pp_table(x0, options0, indent0)
|
|
elseif (tv == "number") then
|
|
return number__3estring(x0, options0)
|
|
else
|
|
local function _104_()
|
|
if (colon_3f ~= nil) then
|
|
return colon_3f
|
|
elseif ("function" == type(options0["prefer-colon?"])) then
|
|
return options0["prefer-colon?"](x0)
|
|
else
|
|
return getopt(options0, "prefer-colon?")
|
|
end
|
|
end
|
|
if ((tv == "string") and colon_string_3f(x0) and _104_()) 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 = _99_
|
|
local function _view(x, _3foptions)
|
|
return pp(x, make_options(x, _3foptions), 0)
|
|
end
|
|
return _view
|
|
end
|
|
package.preload["fennel.utils"] = package.preload["fennel.utils"] or function(...)
|
|
local view = require("fennel.view")
|
|
local version = "1.5.3"
|
|
local unpack = (table.unpack or _G.unpack)
|
|
local pack = nil
|
|
local function _106_(...)
|
|
local _107_0 = {...}
|
|
_107_0["n"] = select("#", ...)
|
|
return _107_0
|
|
end
|
|
pack = (table.pack or _106_)
|
|
local maxn = nil
|
|
local function _108_(_241)
|
|
local max = 0
|
|
for k in pairs(_241) do
|
|
if (("number" == type(k)) and (max < k)) then
|
|
max = k
|
|
else
|
|
max = max
|
|
end
|
|
end
|
|
return max
|
|
end
|
|
maxn = (table.maxn or _108_)
|
|
local function luajit_vm_3f()
|
|
return ((nil ~= _G.jit) and (type(_G.jit) == "table") and (nil ~= _G.jit.on) and (nil ~= _G.jit.off) and (type(_G.jit.version_num) == "number"))
|
|
end
|
|
local function luajit_vm_version()
|
|
local jit_os = nil
|
|
if (_G.jit.os == "OSX") then
|
|
jit_os = "macOS"
|
|
else
|
|
jit_os = _G.jit.os
|
|
end
|
|
return (_G.jit.version .. " " .. jit_os .. "/" .. _G.jit.arch)
|
|
end
|
|
local function fengari_vm_3f()
|
|
return ((nil ~= _G.fengari) and (type(_G.fengari) == "table") and (nil ~= _G.fengari.VERSION) and (type(_G.fengari.VERSION_NUM) == "number"))
|
|
end
|
|
local function fengari_vm_version()
|
|
return (_G.fengari.RELEASE .. " (" .. _VERSION .. ")")
|
|
end
|
|
local function lua_vm_version()
|
|
if luajit_vm_3f() then
|
|
return luajit_vm_version()
|
|
elseif fengari_vm_3f() then
|
|
return fengari_vm_version()
|
|
else
|
|
return ("PUC " .. _VERSION)
|
|
end
|
|
end
|
|
local function runtime_version(_3fas_table)
|
|
if _3fas_table then
|
|
return {fennel = version, lua = lua_vm_version()}
|
|
else
|
|
return ("Fennel " .. version .. " on " .. lua_vm_version())
|
|
end
|
|
end
|
|
local len = nil
|
|
do
|
|
local _113_0, _114_0 = pcall(require, "utf8")
|
|
if ((_113_0 == true) and (nil ~= _114_0)) then
|
|
local utf8 = _114_0
|
|
len = utf8.len
|
|
else
|
|
local _ = _113_0
|
|
len = string.len
|
|
end
|
|
end
|
|
local kv_order = {boolean = 2, number = 1, string = 3, table = 4}
|
|
local function kv_compare(a, b)
|
|
local _116_0, _117_0 = type(a), type(b)
|
|
if (((_116_0 == "number") and (_117_0 == "number")) or ((_116_0 == "string") and (_117_0 == "string"))) then
|
|
return (a < b)
|
|
else
|
|
local function _118_()
|
|
local a_t = _116_0
|
|
local b_t = _117_0
|
|
return (a_t ~= b_t)
|
|
end
|
|
if (((nil ~= _116_0) and (nil ~= _117_0)) and _118_()) then
|
|
local a_t = _116_0
|
|
local b_t = _117_0
|
|
return ((kv_order[a_t] or 5) < (kv_order[b_t] or 5))
|
|
else
|
|
local _ = _116_0
|
|
return (tostring(a) < tostring(b))
|
|
end
|
|
end
|
|
end
|
|
local function add_stable_keys(succ, prev_key, src, _3fpred)
|
|
local first = prev_key
|
|
local last = nil
|
|
do
|
|
local prev = prev_key
|
|
for _, k in ipairs(src) do
|
|
if ((prev == k) or (succ[k] ~= nil) or (_3fpred and not _3fpred(k))) then
|
|
prev = prev
|
|
else
|
|
if (first == nil) then
|
|
first = k
|
|
prev = k
|
|
elseif (prev ~= nil) then
|
|
succ[prev] = k
|
|
prev = k
|
|
else
|
|
prev = k
|
|
end
|
|
end
|
|
end
|
|
last = prev
|
|
end
|
|
return succ, last, first
|
|
end
|
|
local function stablepairs(t)
|
|
local mt_keys = nil
|
|
do
|
|
local _122_0 = getmetatable(t)
|
|
if (nil ~= _122_0) then
|
|
_122_0 = _122_0.keys
|
|
end
|
|
mt_keys = _122_0
|
|
end
|
|
local succ, prev, first_mt = nil, nil, nil
|
|
local function _124_(_241)
|
|
return t[_241]
|
|
end
|
|
succ, prev, first_mt = add_stable_keys({}, nil, (mt_keys or {}), _124_)
|
|
local pairs_keys = nil
|
|
do
|
|
local _125_0 = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for k in pairs(t) do
|
|
local val_19_ = k
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
_125_0 = tbl_17_
|
|
end
|
|
table.sort(_125_0, kv_compare)
|
|
pairs_keys = _125_0
|
|
end
|
|
local succ0, _, first_after_mt = add_stable_keys(succ, prev, pairs_keys)
|
|
local first = nil
|
|
if (first_mt == nil) then
|
|
first = first_after_mt
|
|
else
|
|
first = first_mt
|
|
end
|
|
local function stablenext(tbl, key)
|
|
local _128_0 = nil
|
|
if (key == nil) then
|
|
_128_0 = first
|
|
else
|
|
_128_0 = succ0[key]
|
|
end
|
|
if (nil ~= _128_0) then
|
|
local next_key = _128_0
|
|
local _130_0 = tbl[next_key]
|
|
if (_130_0 ~= nil) then
|
|
return next_key, _130_0
|
|
else
|
|
return _130_0
|
|
end
|
|
end
|
|
end
|
|
return stablenext, t, nil
|
|
end
|
|
local function get_in(tbl, path)
|
|
if (nil ~= path[1]) then
|
|
local t = tbl
|
|
for _, k in ipairs(path) do
|
|
if (nil == t) then break end
|
|
if (type(t) == "table") then
|
|
t = t[k]
|
|
else
|
|
t = nil
|
|
end
|
|
end
|
|
return t
|
|
end
|
|
end
|
|
local function copy(_3ffrom, _3fto)
|
|
local tbl_14_ = (_3fto or {})
|
|
for k, v in pairs((_3ffrom or {})) do
|
|
local k_15_, v_16_ = k, v
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
return tbl_14_
|
|
end
|
|
local function member_3f(x, tbl, _3fn)
|
|
local _136_0 = tbl[(_3fn or 1)]
|
|
if (_136_0 == x) then
|
|
return true
|
|
elseif (_136_0 == nil) then
|
|
return nil
|
|
else
|
|
local _ = _136_0
|
|
return member_3f(x, tbl, ((_3fn or 1) + 1))
|
|
end
|
|
end
|
|
local function every_3f(t, predicate)
|
|
local result = true
|
|
for _, item in ipairs(t) do
|
|
if not result then break end
|
|
result = predicate(item)
|
|
end
|
|
return result
|
|
end
|
|
local function allpairs(tbl)
|
|
assert((type(tbl) == "table"), "allpairs expects a table")
|
|
local t = tbl
|
|
local seen = {}
|
|
local function allpairs_next(_, state)
|
|
local next_state, value = next(t, state)
|
|
if seen[next_state] then
|
|
return allpairs_next(nil, next_state)
|
|
elseif next_state then
|
|
seen[next_state] = true
|
|
return next_state, value
|
|
else
|
|
local _138_0 = getmetatable(t)
|
|
if ((_G.type(_138_0) == "table") and true) then
|
|
local __index = _138_0.__index
|
|
if ("table" == type(__index)) then
|
|
t = __index
|
|
return allpairs_next(t)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
return allpairs_next
|
|
end
|
|
local function deref(self)
|
|
return self[1]
|
|
end
|
|
local function list__3estring(self, _3fview, _3foptions, _3findent)
|
|
local viewed = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i = 1, maxn(self) do
|
|
local val_19_ = nil
|
|
if _3fview then
|
|
val_19_ = _3fview(self[i], _3foptions, _3findent)
|
|
else
|
|
val_19_ = view(self[i])
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
viewed = tbl_17_
|
|
end
|
|
return ("(" .. table.concat(viewed, " ") .. ")")
|
|
end
|
|
local function sym_3d(a, b)
|
|
return ((deref(a) == deref(b)) and (getmetatable(a) == getmetatable(b)))
|
|
end
|
|
local function sym_3c(a, b)
|
|
return (a[1] < tostring(b))
|
|
end
|
|
local symbol_mt = {"SYMBOL", __eq = sym_3d, __fennelview = deref, __lt = sym_3c, __tostring = deref}
|
|
local expr_mt = nil
|
|
local function _144_(x)
|
|
return tostring(deref(x))
|
|
end
|
|
expr_mt = {"EXPR", __tostring = _144_}
|
|
local list_mt = {"LIST", __fennelview = list__3estring, __tostring = list__3estring}
|
|
local comment_mt = nil
|
|
local function _145_(_241)
|
|
return _241
|
|
end
|
|
comment_mt = {"COMMENT", __eq = sym_3d, __fennelview = _145_, __lt = sym_3c, __tostring = deref}
|
|
local sequence_marker = {"SEQUENCE"}
|
|
local varg_mt = {"VARARG", __fennelview = deref, __tostring = deref}
|
|
local getenv = nil
|
|
local function _146_()
|
|
return nil
|
|
end
|
|
getenv = ((os and os.getenv) or _146_)
|
|
local function debug_on_3f(flag)
|
|
local level = (getenv("FENNEL_DEBUG") or "")
|
|
return ((level == "all") or level:find(flag))
|
|
end
|
|
local function list(...)
|
|
return setmetatable({...}, list_mt)
|
|
end
|
|
local function sym(str, _3fsource)
|
|
local _147_
|
|
do
|
|
local tbl_14_ = {str}
|
|
for k, v in pairs((_3fsource or {})) do
|
|
local k_15_, v_16_ = nil, nil
|
|
if (type(k) == "string") then
|
|
k_15_, v_16_ = k, v
|
|
else
|
|
k_15_, v_16_ = nil
|
|
end
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
_147_ = tbl_14_
|
|
end
|
|
return setmetatable(_147_, symbol_mt)
|
|
end
|
|
local function sequence(...)
|
|
local function _150_(seq, view0, inspector, indent)
|
|
local opts = nil
|
|
do
|
|
inspector["empty-as-sequence?"] = {after = inspector["empty-as-sequence?"], once = true}
|
|
inspector["metamethod?"] = {after = inspector["metamethod?"], once = false}
|
|
opts = inspector
|
|
end
|
|
return view0(seq, opts, indent)
|
|
end
|
|
return setmetatable({...}, {__fennelview = _150_, sequence = sequence_marker})
|
|
end
|
|
local function expr(strcode, etype)
|
|
return setmetatable({strcode, type = etype}, expr_mt)
|
|
end
|
|
local function comment_2a(contents, _3fsource)
|
|
local _151_ = (_3fsource or {})
|
|
local filename = _151_["filename"]
|
|
local line = _151_["line"]
|
|
return setmetatable({contents, filename = filename, line = line}, comment_mt)
|
|
end
|
|
local function varg(_3fsource)
|
|
local _152_
|
|
do
|
|
local tbl_14_ = {"..."}
|
|
for k, v in pairs((_3fsource or {})) do
|
|
local k_15_, v_16_ = nil, nil
|
|
if (type(k) == "string") then
|
|
k_15_, v_16_ = k, v
|
|
else
|
|
k_15_, v_16_ = nil
|
|
end
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
_152_ = tbl_14_
|
|
end
|
|
return setmetatable(_152_, varg_mt)
|
|
end
|
|
local function expr_3f(x)
|
|
return ((type(x) == "table") and (getmetatable(x) == expr_mt) and x)
|
|
end
|
|
local function varg_3f(x)
|
|
return ((type(x) == "table") and (getmetatable(x) == varg_mt) and x)
|
|
end
|
|
local function list_3f(x)
|
|
return ((type(x) == "table") and (getmetatable(x) == list_mt) and x)
|
|
end
|
|
local function sym_3f(x, _3fname)
|
|
return ((type(x) == "table") and (getmetatable(x) == symbol_mt) and ((nil == _3fname) or (x[1] == _3fname)) and x)
|
|
end
|
|
local function sequence_3f(x)
|
|
local mt = ((type(x) == "table") and getmetatable(x))
|
|
return (mt and (mt.sequence == sequence_marker) and x)
|
|
end
|
|
local function comment_3f(x)
|
|
return ((type(x) == "table") and (getmetatable(x) == comment_mt) and x)
|
|
end
|
|
local function table_3f(x)
|
|
return ((type(x) == "table") and not varg_3f(x) and (getmetatable(x) ~= list_mt) and (getmetatable(x) ~= symbol_mt) and not comment_3f(x) and x)
|
|
end
|
|
local function kv_table_3f(t)
|
|
if table_3f(t) then
|
|
local nxt, t0, k = pairs(t)
|
|
local len0 = #t0
|
|
local next_state = nil
|
|
if (0 == len0) then
|
|
next_state = k
|
|
else
|
|
next_state = len0
|
|
end
|
|
return ((nil ~= nxt(t0, next_state)) and t0)
|
|
end
|
|
end
|
|
local function string_3f(x)
|
|
if (type(x) == "string") then
|
|
return x
|
|
else
|
|
return false
|
|
end
|
|
end
|
|
local function multi_sym_3f(str)
|
|
if sym_3f(str) then
|
|
return multi_sym_3f(tostring(str))
|
|
elseif (type(str) ~= "string") then
|
|
return false
|
|
else
|
|
local function _158_()
|
|
local parts = {}
|
|
for part in str:gmatch("[^%.%:]+[%.%:]?") do
|
|
local last_char = part:sub(-1)
|
|
if (last_char == ":") then
|
|
parts["multi-sym-method-call"] = true
|
|
end
|
|
if ((last_char == ":") or (last_char == ".")) then
|
|
parts[(#parts + 1)] = part:sub(1, -2)
|
|
else
|
|
parts[(#parts + 1)] = part
|
|
end
|
|
end
|
|
return (next(parts) and parts)
|
|
end
|
|
return ((str:match("%.") or str:match(":")) and not str:match("%.%.") and (str:byte() ~= string.byte(".")) and (str:byte() ~= string.byte(":")) and (str:byte(-1) ~= string.byte(".")) and (str:byte(-1) ~= string.byte(":")) and _158_())
|
|
end
|
|
end
|
|
local function call_of_3f(ast, callee)
|
|
return (list_3f(ast) and sym_3f(ast[1], callee))
|
|
end
|
|
local function quoted_3f(symbol)
|
|
return symbol.quoted
|
|
end
|
|
local function idempotent_expr_3f(x)
|
|
local t = type(x)
|
|
return ((t == "string") or (t == "number") or (t == "boolean") or (sym_3f(x) and not multi_sym_3f(x)))
|
|
end
|
|
local function walk_tree(root, f, _3fcustom_iterator)
|
|
local function walk(iterfn, parent, idx, node)
|
|
if (f(idx, node, parent) and not sym_3f(node)) then
|
|
for k, v in iterfn(node) do
|
|
walk(iterfn, node, k, v)
|
|
end
|
|
return nil
|
|
end
|
|
end
|
|
walk((_3fcustom_iterator or pairs), nil, nil, root)
|
|
return root
|
|
end
|
|
local root = nil
|
|
local function _163_()
|
|
end
|
|
root = {chunk = nil, options = nil, reset = _163_, scope = nil}
|
|
root["set-reset"] = function(_164_0)
|
|
local _165_ = _164_0
|
|
local chunk = _165_["chunk"]
|
|
local options = _165_["options"]
|
|
local reset = _165_["reset"]
|
|
local scope = _165_["scope"]
|
|
root.reset = function()
|
|
root.chunk, root.scope, root.options, root.reset = chunk, scope, options, reset
|
|
return nil
|
|
end
|
|
return root.reset
|
|
end
|
|
local lua_keywords = {["and"] = true, ["break"] = true, ["do"] = true, ["else"] = true, ["elseif"] = true, ["end"] = true, ["false"] = true, ["for"] = true, ["function"] = true, ["goto"] = true, ["if"] = true, ["in"] = true, ["local"] = true, ["nil"] = true, ["not"] = true, ["or"] = true, ["repeat"] = true, ["return"] = true, ["then"] = true, ["true"] = true, ["until"] = true, ["while"] = true}
|
|
local function lua_keyword_3f(str)
|
|
local function _167_()
|
|
local _166_0 = root.options
|
|
if (nil ~= _166_0) then
|
|
_166_0 = _166_0.keywords
|
|
end
|
|
if (nil ~= _166_0) then
|
|
_166_0 = _166_0[str]
|
|
end
|
|
return _166_0
|
|
end
|
|
return (lua_keywords[str] or _167_())
|
|
end
|
|
local function valid_lua_identifier_3f(str)
|
|
return (str:match("^[%a_][%w_]*$") and not lua_keyword_3f(str))
|
|
end
|
|
local propagated_options = {"allowedGlobals", "indent", "correlate", "useMetadata", "env", "compiler-env", "compilerEnv"}
|
|
local function propagate_options(options, subopts)
|
|
local tbl_14_ = subopts
|
|
for _, name in ipairs(propagated_options) do
|
|
local k_15_, v_16_ = name, options[name]
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
return tbl_14_
|
|
end
|
|
local function ast_source(ast)
|
|
if (table_3f(ast) or sequence_3f(ast)) then
|
|
return (getmetatable(ast) or {})
|
|
elseif ("table" == type(ast)) then
|
|
return ast
|
|
else
|
|
return {}
|
|
end
|
|
end
|
|
local function warn(msg, _3fast, _3ffilename, _3fline)
|
|
local _172_0 = nil
|
|
do
|
|
local _173_0 = root.options
|
|
if (nil ~= _173_0) then
|
|
_173_0 = _173_0.warn
|
|
end
|
|
_172_0 = _173_0
|
|
end
|
|
if (nil ~= _172_0) then
|
|
local opt_warn = _172_0
|
|
return opt_warn(msg, _3fast, _3ffilename, _3fline)
|
|
else
|
|
local _ = _172_0
|
|
if (_G.io and _G.io.stderr) then
|
|
local loc = nil
|
|
do
|
|
local _175_0 = ast_source(_3fast)
|
|
if ((_G.type(_175_0) == "table") and (nil ~= _175_0.filename) and (nil ~= _175_0.line)) then
|
|
local filename = _175_0.filename
|
|
local line = _175_0.line
|
|
loc = (filename .. ":" .. line .. ": ")
|
|
else
|
|
local _0 = _175_0
|
|
if (_3ffilename and _3fline) then
|
|
loc = (_3ffilename .. ":" .. _3fline .. ": ")
|
|
else
|
|
loc = ""
|
|
end
|
|
end
|
|
end
|
|
return (_G.io.stderr):write(("--WARNING: %s%s\n"):format(loc, msg))
|
|
end
|
|
end
|
|
end
|
|
local warned = {}
|
|
local function check_plugin_version(_180_0)
|
|
local _181_ = _180_0
|
|
local plugin = _181_
|
|
local name = _181_["name"]
|
|
local versions = _181_["versions"]
|
|
if (not member_3f(version:gsub("-dev", ""), (versions or {})) and not (string_3f(versions) and version:find(versions)) and not warned[plugin]) then
|
|
warned[plugin] = true
|
|
return warn(string.format("plugin %s does not support Fennel version %s", (name or "unknown"), version))
|
|
end
|
|
end
|
|
local function hook_opts(event, _3foptions, ...)
|
|
local plugins = nil
|
|
local function _184_(...)
|
|
local _183_0 = _3foptions
|
|
if (nil ~= _183_0) then
|
|
_183_0 = _183_0.plugins
|
|
end
|
|
return _183_0
|
|
end
|
|
local function _187_(...)
|
|
local _186_0 = root.options
|
|
if (nil ~= _186_0) then
|
|
_186_0 = _186_0.plugins
|
|
end
|
|
return _186_0
|
|
end
|
|
plugins = (_184_(...) or _187_(...))
|
|
if plugins then
|
|
local result = nil
|
|
for _, plugin in ipairs(plugins) do
|
|
if (nil ~= result) then break end
|
|
check_plugin_version(plugin)
|
|
local _189_0 = plugin[event]
|
|
if (nil ~= _189_0) then
|
|
local f = _189_0
|
|
result = f(...)
|
|
else
|
|
result = nil
|
|
end
|
|
end
|
|
return result
|
|
end
|
|
end
|
|
local function hook(event, ...)
|
|
return hook_opts(event, root.options, ...)
|
|
end
|
|
return {["ast-source"] = ast_source, ["call-of?"] = call_of_3f, ["comment?"] = comment_3f, ["debug-on?"] = debug_on_3f, ["every?"] = every_3f, ["expr?"] = expr_3f, ["fennel-module"] = nil, ["get-in"] = get_in, ["hook-opts"] = hook_opts, ["idempotent-expr?"] = idempotent_expr_3f, ["kv-table?"] = kv_table_3f, ["list?"] = list_3f, ["lua-keyword?"] = lua_keyword_3f, ["macro-path"] = table.concat({"./?.fnl", "./?/init-macros.fnl", "./?/init.fnl", getenv("FENNEL_MACRO_PATH")}, ";"), ["member?"] = member_3f, ["multi-sym?"] = multi_sym_3f, ["propagate-options"] = propagate_options, ["quoted?"] = quoted_3f, ["runtime-version"] = runtime_version, ["sequence?"] = sequence_3f, ["string?"] = string_3f, ["sym?"] = sym_3f, ["table?"] = table_3f, ["valid-lua-identifier?"] = valid_lua_identifier_3f, ["varg?"] = varg_3f, ["walk-tree"] = walk_tree, allpairs = allpairs, comment = comment_2a, copy = copy, expr = expr, hook = hook, len = len, list = list, maxn = maxn, pack = pack, path = table.concat({"./?.fnl", "./?/init.fnl", getenv("FENNEL_PATH")}, ";"), root = root, sequence = sequence, stablepairs = stablepairs, sym = sym, unpack = unpack, varg = varg, version = version, warn = warn}
|
|
end
|
|
utils = require("fennel.utils")
|
|
local parser = require("fennel.parser")
|
|
local compiler = require("fennel.compiler")
|
|
local specials = require("fennel.specials")
|
|
local repl = require("fennel.repl")
|
|
local view = require("fennel.view")
|
|
local function eval_env(env, opts)
|
|
if (env == "_COMPILER") then
|
|
local env0 = specials["make-compiler-env"](nil, compiler.scopes.compiler, {}, opts)
|
|
if (opts.allowedGlobals == nil) then
|
|
opts.allowedGlobals = specials["current-global-names"](env0)
|
|
end
|
|
return specials["wrap-env"](env0)
|
|
else
|
|
return (env and specials["wrap-env"](env))
|
|
end
|
|
end
|
|
local function eval_opts(options, str)
|
|
local opts = utils.copy(options)
|
|
if (opts.allowedGlobals == nil) then
|
|
opts.allowedGlobals = specials["current-global-names"](opts.env)
|
|
end
|
|
if (not opts.filename and not opts.source) then
|
|
opts.source = str
|
|
end
|
|
if (opts.env == "_COMPILER") then
|
|
opts.scope = compiler["make-scope"](compiler.scopes.compiler)
|
|
end
|
|
return opts
|
|
end
|
|
local function eval(str, _3foptions, ...)
|
|
local opts = eval_opts(_3foptions, str)
|
|
local env = eval_env(opts.env, opts)
|
|
local lua_source = compiler["compile-string"](str, opts)
|
|
local loader = nil
|
|
local function _858_(...)
|
|
if opts.filename then
|
|
return ("@" .. opts.filename)
|
|
else
|
|
return str
|
|
end
|
|
end
|
|
loader = specials["load-code"](lua_source, env, _858_(...))
|
|
opts.filename = nil
|
|
return loader(...)
|
|
end
|
|
local function dofile_2a(filename, _3foptions, ...)
|
|
local opts = utils.copy(_3foptions)
|
|
local f = assert(io.open(filename, "rb"))
|
|
local source = assert(f:read("*all"), ("Could not read " .. filename))
|
|
f:close()
|
|
opts.filename = filename
|
|
return eval(source, opts, ...)
|
|
end
|
|
local function syntax()
|
|
local body_3f = {"when", "with-open", "collect", "icollect", "fcollect", "lambda", "\206\187", "macro", "match", "match-try", "case", "case-try", "accumulate", "faccumulate", "doto"}
|
|
local binding_3f = {"collect", "icollect", "fcollect", "each", "for", "let", "with-open", "accumulate", "faccumulate"}
|
|
local define_3f = {"fn", "lambda", "\206\187", "var", "local", "macro", "macros", "global"}
|
|
local deprecated = {"~=", "#", "global", "require-macros", "pick-args"}
|
|
local out = {}
|
|
for k, v in pairs(compiler.scopes.global.specials) do
|
|
local metadata = (compiler.metadata[v] or {})
|
|
out[k] = {["binding-form?"] = utils["member?"](k, binding_3f), ["body-form?"] = metadata["fnl/body-form?"], ["define?"] = utils["member?"](k, define_3f), ["deprecated?"] = utils["member?"](k, deprecated), ["special?"] = true}
|
|
end
|
|
for k in pairs(compiler.scopes.global.macros) do
|
|
out[k] = {["binding-form?"] = utils["member?"](k, binding_3f), ["body-form?"] = utils["member?"](k, body_3f), ["define?"] = utils["member?"](k, define_3f), ["macro?"] = true}
|
|
end
|
|
for k, v in pairs(_G) do
|
|
local _859_0 = type(v)
|
|
if (_859_0 == "function") then
|
|
out[k] = {["function?"] = true, ["global?"] = true}
|
|
elseif (_859_0 == "table") then
|
|
if not k:find("^_") then
|
|
for k2, v2 in pairs(v) do
|
|
if ("function" == type(v2)) then
|
|
out[(k .. "." .. k2)] = {["function?"] = true, ["global?"] = true}
|
|
end
|
|
end
|
|
out[k] = {["global?"] = true}
|
|
end
|
|
end
|
|
end
|
|
return out
|
|
end
|
|
local mod = {["ast-source"] = utils["ast-source"], ["comment?"] = utils["comment?"], ["compile-stream"] = compiler["compile-stream"], ["compile-string"] = compiler["compile-string"], ["list?"] = utils["list?"], ["load-code"] = specials["load-code"], ["macro-loaded"] = specials["macro-loaded"], ["macro-path"] = utils["macro-path"], ["macro-searchers"] = specials["macro-searchers"], ["make-searcher"] = specials["make-searcher"], ["multi-sym?"] = utils["multi-sym?"], ["runtime-version"] = utils["runtime-version"], ["search-module"] = specials["search-module"], ["sequence?"] = utils["sequence?"], ["string-stream"] = parser["string-stream"], ["sym-char?"] = parser["sym-char?"], ["sym?"] = utils["sym?"], ["table?"] = utils["table?"], ["varg?"] = utils["varg?"], comment = utils.comment, compile = compiler.compile, compile1 = compiler.compile1, compileStream = compiler["compile-stream"], compileString = compiler["compile-string"], doc = specials.doc, dofile = dofile_2a, eval = eval, gensym = compiler.gensym, getinfo = compiler.getinfo, granulate = parser.granulate, list = utils.list, loadCode = specials["load-code"], macroLoaded = specials["macro-loaded"], macroPath = utils["macro-path"], macroSearchers = specials["macro-searchers"], makeSearcher = specials["make-searcher"], make_searcher = specials["make-searcher"], mangle = compiler["global-mangling"], metadata = compiler.metadata, parser = parser.parser, path = utils.path, repl = repl, runtimeVersion = utils["runtime-version"], scope = compiler["make-scope"], searchModule = specials["search-module"], searcher = specials["make-searcher"](), sequence = utils.sequence, stringStream = parser["string-stream"], sym = utils.sym, syntax = syntax, traceback = compiler.traceback, unmangle = compiler["global-unmangling"], varg = utils.varg, version = utils.version, view = view}
|
|
mod.install = function(_3fopts)
|
|
table.insert((package.searchers or package.loaders), specials["make-searcher"](_3fopts))
|
|
return mod
|
|
end
|
|
utils["fennel-module"] = mod
|
|
local function load_macros(src, env)
|
|
local chunk = assert(specials["load-code"](src, env, "src/fennel/macros.fnl"))
|
|
for k, v in pairs(chunk()) do
|
|
compiler.scopes.global.macros[k] = v
|
|
end
|
|
return nil
|
|
end
|
|
do
|
|
local env = specials["make-compiler-env"](nil, compiler.scopes.compiler, {})
|
|
env.utils = utils
|
|
env["get-function-metadata"] = specials["get-function-metadata"]
|
|
load_macros([===[local function copy(t)
|
|
local out = {}
|
|
for _, v in ipairs(t) do
|
|
table.insert(out, v)
|
|
end
|
|
return setmetatable(out, getmetatable(t))
|
|
end
|
|
utils['fennel-module'].metadata:setall(copy, "fnl/arglist", {"t"})
|
|
local function __3e_2a(val, ...)
|
|
local x = val
|
|
for _, e in ipairs({...}) do
|
|
local elt = nil
|
|
if _G["list?"](e) then
|
|
elt = copy(e)
|
|
else
|
|
elt = list(e)
|
|
end
|
|
table.insert(elt, 2, x)
|
|
x = elt
|
|
end
|
|
return x
|
|
end
|
|
utils['fennel-module'].metadata:setall(__3e_2a, "fnl/arglist", {"val", "..."}, "fnl/docstring", "Thread-first macro.\nTake the first value and splice it into the second form as its first argument.\nThe value of the second form is spliced into the first arg of the third, etc.")
|
|
local function __3e_3e_2a(val, ...)
|
|
local x = val
|
|
for _, e in ipairs({...}) do
|
|
local elt = nil
|
|
if _G["list?"](e) then
|
|
elt = copy(e)
|
|
else
|
|
elt = list(e)
|
|
end
|
|
table.insert(elt, x)
|
|
x = elt
|
|
end
|
|
return x
|
|
end
|
|
utils['fennel-module'].metadata:setall(__3e_3e_2a, "fnl/arglist", {"val", "..."}, "fnl/docstring", "Thread-last macro.\nSame as ->, except splices the value into the last position of each form\nrather than the first.")
|
|
local function __3f_3e_2a(val, _3fe, ...)
|
|
if (nil == _3fe) then
|
|
return val
|
|
elseif not utils["idempotent-expr?"](val) then
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=40, bytestart=1174, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=40}), setmetatable({sym('tmp_3_', nil, {filename="src/fennel/macros.fnl", line=40}), val}, {filename="src/fennel/macros.fnl", line=40}), setmetatable({filename="src/fennel/macros.fnl", line=41, bytestart=1199, sym('-?>', nil, {quoted=true, filename="src/fennel/macros.fnl", line=41}), sym('tmp_3_', nil, {filename="src/fennel/macros.fnl", line=41}), _3fe, ...}, getmetatable(list()))}, getmetatable(list()))
|
|
else
|
|
local call = nil
|
|
if _G["list?"](_3fe) then
|
|
call = copy(_3fe)
|
|
else
|
|
call = list(_3fe)
|
|
end
|
|
table.insert(call, 2, val)
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=44, bytestart=1317, sym('if', nil, {quoted=true, filename="src/fennel/macros.fnl", line=44}), setmetatable({filename="src/fennel/macros.fnl", line=44, bytestart=1321, sym('not=', nil, {quoted=true, filename="src/fennel/macros.fnl", line=44}), sym('nil', nil, {quoted=true, filename="src/fennel/macros.fnl", line=44}), val}, getmetatable(list())), __3f_3e_2a(call, ...)}, getmetatable(list()))
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(__3f_3e_2a, "fnl/arglist", {"val", "?e", "..."}, "fnl/docstring", "Nil-safe thread-first macro.\nSame as -> except will short-circuit with nil when it encounters a nil value.")
|
|
local function __3f_3e_3e_2a(val, _3fe, ...)
|
|
if (nil == _3fe) then
|
|
return val
|
|
elseif not utils["idempotent-expr?"](val) then
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=54, bytestart=1627, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=54}), setmetatable({sym('tmp_6_', nil, {filename="src/fennel/macros.fnl", line=54}), val}, {filename="src/fennel/macros.fnl", line=54}), setmetatable({filename="src/fennel/macros.fnl", line=55, bytestart=1652, sym('-?>>', nil, {quoted=true, filename="src/fennel/macros.fnl", line=55}), sym('tmp_6_', nil, {filename="src/fennel/macros.fnl", line=55}), _3fe, ...}, getmetatable(list()))}, getmetatable(list()))
|
|
else
|
|
local call = nil
|
|
if _G["list?"](_3fe) then
|
|
call = copy(_3fe)
|
|
else
|
|
call = list(_3fe)
|
|
end
|
|
table.insert(call, val)
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=58, bytestart=1769, sym('if', nil, {quoted=true, filename="src/fennel/macros.fnl", line=58}), setmetatable({filename="src/fennel/macros.fnl", line=58, bytestart=1773, sym('not=', nil, {quoted=true, filename="src/fennel/macros.fnl", line=58}), val, sym('nil', nil, {quoted=true, filename="src/fennel/macros.fnl", line=58})}, getmetatable(list())), __3f_3e_3e_2a(call, ...)}, getmetatable(list()))
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(__3f_3e_3e_2a, "fnl/arglist", {"val", "?e", "..."}, "fnl/docstring", "Nil-safe thread-last macro.\nSame as ->> except will short-circuit with nil when it encounters a nil value.")
|
|
local function _3fdot(tbl, ...)
|
|
local head = gensym("t")
|
|
local lookups = setmetatable({filename="src/fennel/macros.fnl", line=66, bytestart=2024, sym('do', nil, {quoted=true, filename="src/fennel/macros.fnl", line=66}), setmetatable({filename="src/fennel/macros.fnl", line=67, bytestart=2047, sym('var', nil, {quoted=true, filename="src/fennel/macros.fnl", line=67}), head, tbl}, getmetatable(list())), head}, getmetatable(list()))
|
|
for i, k in ipairs({...}) do
|
|
table.insert(lookups, (i + 2), setmetatable({filename="src/fennel/macros.fnl", line=73, bytestart=2335, sym('if', nil, {quoted=true, filename="src/fennel/macros.fnl", line=73}), setmetatable({filename="src/fennel/macros.fnl", line=73, bytestart=2339, sym('not=', nil, {quoted=true, filename="src/fennel/macros.fnl", line=73}), sym('nil', nil, {quoted=true, filename="src/fennel/macros.fnl", line=73}), head}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=73, bytestart=2356, sym('set', nil, {quoted=true, filename="src/fennel/macros.fnl", line=73}), head, setmetatable({filename="src/fennel/macros.fnl", line=73, bytestart=2367, sym('.', nil, {quoted=true, filename="src/fennel/macros.fnl", line=73}), head, k}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list())))
|
|
end
|
|
return lookups
|
|
end
|
|
utils['fennel-module'].metadata:setall(_3fdot, "fnl/arglist", {"tbl", "..."}, "fnl/docstring", "Nil-safe table look up.\nSame as . (dot), except will short-circuit with nil when it encounters\na nil value in any of subsequent keys.")
|
|
local function doto_2a(val, ...)
|
|
assert((val ~= nil), "missing subject")
|
|
if not utils["idempotent-expr?"](val) then
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=80, bytestart=2585, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=80}), setmetatable({sym('tmp_9_', nil, {filename="src/fennel/macros.fnl", line=80}), val}, {filename="src/fennel/macros.fnl", line=80}), setmetatable({filename="src/fennel/macros.fnl", line=81, bytestart=2609, sym('doto', nil, {quoted=true, filename="src/fennel/macros.fnl", line=81}), sym('tmp_9_', nil, {filename="src/fennel/macros.fnl", line=81}), ...}, getmetatable(list()))}, getmetatable(list()))
|
|
else
|
|
local form = setmetatable({filename="src/fennel/macros.fnl", line=82, bytestart=2643, sym('do', nil, {quoted=true, filename="src/fennel/macros.fnl", line=82})}, getmetatable(list()))
|
|
for _, elt in ipairs({...}) do
|
|
local elt0 = nil
|
|
if _G["list?"](elt) then
|
|
elt0 = copy(elt)
|
|
else
|
|
elt0 = list(elt)
|
|
end
|
|
table.insert(elt0, 2, val)
|
|
table.insert(form, elt0)
|
|
end
|
|
table.insert(form, val)
|
|
return form
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(doto_2a, "fnl/arglist", {"val", "..."}, "fnl/docstring", "Evaluate val and splice it into the first argument of subsequent forms.")
|
|
local function when_2a(condition, body1, ...)
|
|
assert(body1, "expected body")
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=93, bytestart=2992, sym('if', nil, {quoted=true, filename="src/fennel/macros.fnl", line=93}), condition, setmetatable({filename="src/fennel/macros.fnl", line=94, bytestart=3014, sym('do', nil, {quoted=true, filename="src/fennel/macros.fnl", line=94}), body1, ...}, getmetatable(list()))}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(when_2a, "fnl/arglist", {"condition", "body1", "..."}, "fnl/docstring", "Evaluate body for side-effects only when condition is truthy.")
|
|
local function with_open_2a(closable_bindings, ...)
|
|
local bodyfn = setmetatable({filename="src/fennel/macros.fnl", line=102, bytestart=3312, sym('fn', nil, {quoted=true, filename="src/fennel/macros.fnl", line=102}), setmetatable({}, {filename="src/fennel/macros.fnl", line=102}), ...}, getmetatable(list()))
|
|
local closer = setmetatable({filename="src/fennel/macros.fnl", line=104, bytestart=3359, sym('fn', nil, {quoted=true, filename="src/fennel/macros.fnl", line=104}), sym('close-handlers_12_', nil, {filename="src/fennel/macros.fnl", line=104}), setmetatable({sym('ok_13_', nil, {filename="src/fennel/macros.fnl", line=104}), _VARARG}, {filename="src/fennel/macros.fnl", line=104}), setmetatable({filename="src/fennel/macros.fnl", line=105, bytestart=3407, sym('if', nil, {quoted=true, filename="src/fennel/macros.fnl", line=105}), sym('ok_13_', nil, {filename="src/fennel/macros.fnl", line=105}), _VARARG, setmetatable({filename="src/fennel/macros.fnl", line=105, bytestart=3419, sym('error', nil, {quoted=true, filename="src/fennel/macros.fnl", line=105}), _VARARG, 0}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list()))
|
|
local traceback = setmetatable({filename="src/fennel/macros.fnl", line=106, bytestart=3454, sym('.', nil, {quoted=true, filename="src/fennel/macros.fnl", line=106}), setmetatable({filename="src/fennel/macros.fnl", line=106, bytestart=3457, sym('or', nil, {quoted=true, filename="src/fennel/macros.fnl", line=106}), setmetatable({filename="src/fennel/macros.fnl", line=106, bytestart=3461, sym('?.', nil, {quoted=true, filename="src/fennel/macros.fnl", line=106}), sym('_G', nil, {quoted=true, filename="src/fennel/macros.fnl", line=106}), "package", "loaded", _G["fennel-module-name"]()}, getmetatable(list())), sym('_G.debug', nil, {quoted=true, filename="src/fennel/macros.fnl", line=107}), setmetatable({["traceback"]=setmetatable({filename=nil, line=nil, bytestart=nil, sym('hashfn', nil, {quoted=true, filename=nil, line=nil}), ""}, getmetatable(list()))}, {filename="src/fennel/macros.fnl", line=107})}, getmetatable(list())), "traceback"}, getmetatable(list()))
|
|
for i = 1, #closable_bindings, 2 do
|
|
assert(_G["sym?"](closable_bindings[i]), "with-open only allows symbols in bindings")
|
|
table.insert(closer, 4, setmetatable({filename="src/fennel/macros.fnl", line=111, bytestart=3752, sym(':', nil, {quoted=true, filename="src/fennel/macros.fnl", line=111}), closable_bindings[i], "close"}, getmetatable(list())))
|
|
end
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=112, bytestart=3795, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=112}), closable_bindings, closer, setmetatable({filename="src/fennel/macros.fnl", line=114, bytestart=3841, sym('close-handlers_12_', nil, {filename="src/fennel/macros.fnl", line=114}), setmetatable({filename="src/fennel/macros.fnl", line=114, bytestart=3858, sym('_G.xpcall', nil, {quoted=true, filename="src/fennel/macros.fnl", line=114}), bodyfn, traceback}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(with_open_2a, "fnl/arglist", {"closable-bindings", "..."}, "fnl/docstring", "Like `let`, but invokes (v:close) on each binding after evaluating the body.\nThe body is evaluated inside `xpcall` so that bound values will be closed upon\nencountering an error before propagating it.")
|
|
local function extract_into(iter_tbl)
|
|
local into, iter_out, found_3f = {}, copy(iter_tbl)
|
|
for i = #iter_tbl, 2, -1 do
|
|
local item = iter_tbl[i]
|
|
if (_G["sym?"](item, "&into") or ("into" == item)) then
|
|
assert(not found_3f, "expected only one &into clause")
|
|
found_3f = true
|
|
into = iter_tbl[(i + 1)]
|
|
table.remove(iter_out, i)
|
|
table.remove(iter_out, i)
|
|
end
|
|
end
|
|
assert((not found_3f or _G["sym?"](into) or _G["table?"](into) or _G["list?"](into)), "expected table, function call, or symbol in &into clause")
|
|
return into, iter_out, found_3f
|
|
end
|
|
utils['fennel-module'].metadata:setall(extract_into, "fnl/arglist", {"iter-tbl"})
|
|
local function collect_2a(iter_tbl, key_expr, value_expr, ...)
|
|
assert((_G["sequence?"](iter_tbl) and (2 <= #iter_tbl)), "expected iterator binding table")
|
|
assert((nil ~= key_expr), "expected key and value expression")
|
|
assert((nil == ...), "expected 1 or 2 body expressions; wrap multiple expressions with do")
|
|
assert((value_expr or _G["list?"](key_expr)), "need key and value")
|
|
local kv_expr = nil
|
|
if (nil == value_expr) then
|
|
kv_expr = key_expr
|
|
else
|
|
kv_expr = setmetatable({filename="src/fennel/macros.fnl", line=151, bytestart=5514, sym('values', nil, {quoted=true, filename="src/fennel/macros.fnl", line=151}), key_expr, value_expr}, getmetatable(list()))
|
|
end
|
|
local into, iter = extract_into(iter_tbl)
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=153, bytestart=5596, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=153}), setmetatable({sym('tbl_16_', nil, {filename="src/fennel/macros.fnl", line=153}), into}, {filename="src/fennel/macros.fnl", line=153}), setmetatable({filename="src/fennel/macros.fnl", line=154, bytestart=5621, sym('each', nil, {quoted=true, filename="src/fennel/macros.fnl", line=154}), iter, setmetatable({filename="src/fennel/macros.fnl", line=155, bytestart=5642, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=155}), setmetatable({setmetatable({filename="src/fennel/macros.fnl", line=155, bytestart=5648, sym('k_17_', nil, {filename="src/fennel/macros.fnl", line=155}), sym('v_18_', nil, {filename="src/fennel/macros.fnl", line=155})}, getmetatable(list())), kv_expr}, {filename="src/fennel/macros.fnl", line=155}), setmetatable({filename="src/fennel/macros.fnl", line=156, bytestart=5677, sym('if', nil, {quoted=true, filename="src/fennel/macros.fnl", line=156}), setmetatable({filename="src/fennel/macros.fnl", line=156, bytestart=5681, sym('and', nil, {quoted=true, filename="src/fennel/macros.fnl", line=156}), setmetatable({filename="src/fennel/macros.fnl", line=156, bytestart=5686, sym('not=', nil, {quoted=true, filename="src/fennel/macros.fnl", line=156}), sym('k_17_', nil, {filename="src/fennel/macros.fnl", line=156}), sym('nil', nil, {quoted=true, filename="src/fennel/macros.fnl", line=156})}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=156, bytestart=5700, sym('not=', nil, {quoted=true, filename="src/fennel/macros.fnl", line=156}), sym('v_18_', nil, {filename="src/fennel/macros.fnl", line=156}), sym('nil', nil, {quoted=true, filename="src/fennel/macros.fnl", line=156})}, getmetatable(list()))}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=157, bytestart=5728, sym('tset', nil, {quoted=true, filename="src/fennel/macros.fnl", line=157}), sym('tbl_16_', nil, {filename="src/fennel/macros.fnl", line=157}), sym('k_17_', nil, {filename="src/fennel/macros.fnl", line=157}), sym('v_18_', nil, {filename="src/fennel/macros.fnl", line=157})}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list())), sym('tbl_16_', nil, {filename="src/fennel/macros.fnl", line=158})}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(collect_2a, "fnl/arglist", {"iter-tbl", "key-expr", "value-expr", "..."}, "fnl/docstring", "Return a table made by running an iterator and evaluating an expression that\nreturns key-value pairs to be inserted sequentially into the table. This can\nbe thought of as a table comprehension. The body should provide two expressions\n(used as key and value) or nil, which causes it to be omitted.\n\nFor example,\n (collect [k v (pairs {:apple \"red\" :orange \"orange\"})]\n (values v k))\nreturns\n {:red \"apple\" :orange \"orange\"}\n\nSupports an &into clause after the iterator to put results in an existing table.\nSupports early termination with an &until clause.")
|
|
local function seq_collect(how, iter_tbl, value_expr, ...)
|
|
assert((nil ~= value_expr), "expected table value expression")
|
|
assert((nil == ...), "expected exactly one body expression. Wrap multiple expressions in do")
|
|
local into, iter, has_into_3f = extract_into(iter_tbl)
|
|
if has_into_3f then
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=170, bytestart=6252, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=170}), setmetatable({sym('tbl_19_', nil, {filename="src/fennel/macros.fnl", line=170}), into}, {filename="src/fennel/macros.fnl", line=170}), setmetatable({filename="src/fennel/macros.fnl", line=171, bytestart=6281, how, iter, setmetatable({filename="src/fennel/macros.fnl", line=171, bytestart=6293, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=171}), setmetatable({sym('val_20_', nil, {filename="src/fennel/macros.fnl", line=171}), value_expr}, {filename="src/fennel/macros.fnl", line=171}), setmetatable({filename="src/fennel/macros.fnl", line=172, bytestart=6342, sym('table.insert', nil, {quoted=true, filename="src/fennel/macros.fnl", line=172}), sym('tbl_19_', nil, {filename="src/fennel/macros.fnl", line=172}), sym('val_20_', nil, {filename="src/fennel/macros.fnl", line=172})}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list())), sym('tbl_19_', nil, {filename="src/fennel/macros.fnl", line=173})}, getmetatable(list()))
|
|
else
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=177, bytestart=6618, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=177}), setmetatable({sym('tbl_21_', nil, {filename="src/fennel/macros.fnl", line=177}), setmetatable({}, {filename="src/fennel/macros.fnl", line=177})}, {filename="src/fennel/macros.fnl", line=177}), setmetatable({filename="src/fennel/macros.fnl", line=178, bytestart=6644, sym('var', nil, {quoted=true, filename="src/fennel/macros.fnl", line=178}), sym('i_22_', nil, {filename="src/fennel/macros.fnl", line=178}), 0}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=179, bytestart=6666, how, iter, setmetatable({filename="src/fennel/macros.fnl", line=180, bytestart=6695, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=180}), setmetatable({sym('val_23_', nil, {filename="src/fennel/macros.fnl", line=180}), value_expr}, {filename="src/fennel/macros.fnl", line=180}), setmetatable({filename="src/fennel/macros.fnl", line=181, bytestart=6738, sym('when', nil, {quoted=true, filename="src/fennel/macros.fnl", line=181}), setmetatable({filename="src/fennel/macros.fnl", line=181, bytestart=6744, sym('not=', nil, {quoted=true, filename="src/fennel/macros.fnl", line=181}), sym('nil', nil, {quoted=true, filename="src/fennel/macros.fnl", line=181}), sym('val_23_', nil, {filename="src/fennel/macros.fnl", line=181})}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=182, bytestart=6781, sym('set', nil, {quoted=true, filename="src/fennel/macros.fnl", line=182}), sym('i_22_', nil, {filename="src/fennel/macros.fnl", line=182}), setmetatable({filename="src/fennel/macros.fnl", line=182, bytestart=6789, sym('+', nil, {quoted=true, filename="src/fennel/macros.fnl", line=182}), sym('i_22_', nil, {filename="src/fennel/macros.fnl", line=182}), 1}, getmetatable(list()))}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=183, bytestart=6820, sym('tset', nil, {quoted=true, filename="src/fennel/macros.fnl", line=183}), sym('tbl_21_', nil, {filename="src/fennel/macros.fnl", line=183}), sym('i_22_', nil, {filename="src/fennel/macros.fnl", line=183}), sym('val_23_', nil, {filename="src/fennel/macros.fnl", line=183})}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list())), sym('tbl_21_', nil, {filename="src/fennel/macros.fnl", line=184})}, getmetatable(list()))
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(seq_collect, "fnl/arglist", {"how", "iter-tbl", "value-expr", "..."}, "fnl/docstring", "Common part between icollect and fcollect for producing sequential tables.\n\nIteration code only differs in using the for or each keyword, the rest\nof the generated code is identical.")
|
|
local function icollect_2a(iter_tbl, value_expr, ...)
|
|
assert((_G["sequence?"](iter_tbl) and (2 <= #iter_tbl)), "expected iterator binding table")
|
|
return seq_collect(sym('each', nil, {quoted=true, filename="src/fennel/macros.fnl", line=203}), iter_tbl, value_expr, ...)
|
|
end
|
|
utils['fennel-module'].metadata:setall(icollect_2a, "fnl/arglist", {"iter-tbl", "value-expr", "..."}, "fnl/docstring", "Return a sequential table made by running an iterator and evaluating an\nexpression that returns values to be inserted sequentially into the table.\nThis can be thought of as a table comprehension. If the body evaluates to nil\nthat element is omitted.\n\nFor example,\n (icollect [_ v (ipairs [1 2 3 4 5])]\n (when (not= v 3)\n (* v v)))\nreturns\n [1 4 16 25]\n\nSupports an &into clause after the iterator to put results in an existing table.\nSupports early termination with an &until clause.")
|
|
local function fcollect_2a(iter_tbl, value_expr, ...)
|
|
assert((_G["sequence?"](iter_tbl) and (2 < #iter_tbl)), "expected range binding table")
|
|
return seq_collect(sym('for', nil, {quoted=true, filename="src/fennel/macros.fnl", line=222}), iter_tbl, value_expr, ...)
|
|
end
|
|
utils['fennel-module'].metadata:setall(fcollect_2a, "fnl/arglist", {"iter-tbl", "value-expr", "..."}, "fnl/docstring", "Return a sequential table made by advancing a range as specified by\nfor, and evaluating an expression that returns values to be inserted\nsequentially into the table. This can be thought of as a range\ncomprehension. If the body evaluates to nil that element is omitted.\n\nFor example,\n (fcollect [i 1 10 2]\n (when (not= i 3)\n (* i i)))\nreturns\n [1 25 49 81]\n\nSupports an &into clause after the range to put results in an existing table.\nSupports early termination with an &until clause.")
|
|
local function accumulate_impl(for_3f, iter_tbl, body, ...)
|
|
assert((_G["sequence?"](iter_tbl) and (4 <= #iter_tbl)), "expected initial value and iterator binding table")
|
|
assert((nil ~= body), "expected body expression")
|
|
assert((nil == ...), "expected exactly one body expression. Wrap multiple expressions with do")
|
|
local _25_ = iter_tbl
|
|
local accum_var = _25_[1]
|
|
local accum_init = _25_[2]
|
|
local iter = nil
|
|
local function _26_(...)
|
|
if for_3f then
|
|
return "for"
|
|
else
|
|
return "each"
|
|
end
|
|
end
|
|
iter = sym(_26_(...))
|
|
local function _27_(...)
|
|
if _G["list?"](accum_var) then
|
|
return list(sym("values"), unpack(accum_var))
|
|
else
|
|
return accum_var
|
|
end
|
|
end
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=232, bytestart=8695, sym('do', nil, {quoted=true, filename="src/fennel/macros.fnl", line=232}), setmetatable({filename="src/fennel/macros.fnl", line=233, bytestart=8706, sym('var', nil, {quoted=true, filename="src/fennel/macros.fnl", line=233}), accum_var, accum_init}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=234, bytestart=8742, iter, {unpack(iter_tbl, 3)}, setmetatable({filename="src/fennel/macros.fnl", line=235, bytestart=8786, sym('set', nil, {quoted=true, filename="src/fennel/macros.fnl", line=235}), accum_var, body}, getmetatable(list()))}, getmetatable(list())), _27_(...)}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(accumulate_impl, "fnl/arglist", {"for?", "iter-tbl", "body", "..."})
|
|
local function accumulate_2a(iter_tbl, body, ...)
|
|
return accumulate_impl(false, iter_tbl, body, ...)
|
|
end
|
|
utils['fennel-module'].metadata:setall(accumulate_2a, "fnl/arglist", {"iter-tbl", "body", "..."}, "fnl/docstring", "Accumulation macro.\n\nIt takes a binding table and an expression as its arguments. In the binding\ntable, the first form starts out bound to the second value, which is an initial\naccumulator. The rest are an iterator binding table in the format `each` takes.\n\nIt runs through the iterator in each step of which the given expression is\nevaluated, and the accumulator is set to the value of the expression. It\neventually returns the final value of the accumulator.\n\nFor example,\n (accumulate [total 0\n _ n (pairs {:apple 2 :orange 3})]\n (+ total n))\nreturns 5")
|
|
local function faccumulate_2a(iter_tbl, body, ...)
|
|
return accumulate_impl(true, iter_tbl, body, ...)
|
|
end
|
|
utils['fennel-module'].metadata:setall(faccumulate_2a, "fnl/arglist", {"iter-tbl", "body", "..."}, "fnl/docstring", "Identical to accumulate, but after the accumulator the binding table is the\nsame as `for` instead of `each`. Like collect to fcollect, will iterate over a\nnumerical range like `for` rather than an iterator.")
|
|
local function partial_2a(f, ...)
|
|
assert(f, "expected a function to partially apply")
|
|
local bindings = {}
|
|
local args = {}
|
|
for _, arg in ipairs({...}) do
|
|
if utils["idempotent-expr?"](arg) then
|
|
table.insert(args, arg)
|
|
else
|
|
local name = gensym()
|
|
table.insert(bindings, name)
|
|
table.insert(bindings, arg)
|
|
table.insert(args, name)
|
|
end
|
|
end
|
|
local body = list(f, unpack(args))
|
|
table.insert(body, _VARARG)
|
|
if (nil == bindings[1]) then
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=280, bytestart=10477, sym('fn', nil, {quoted=true, filename="src/fennel/macros.fnl", line=280}), setmetatable({_VARARG}, {filename="src/fennel/macros.fnl", line=280}), body}, getmetatable(list()))
|
|
else
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=281, bytestart=10510, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=281}), bindings, setmetatable({filename="src/fennel/macros.fnl", line=282, bytestart=10538, sym('fn', nil, {quoted=true, filename="src/fennel/macros.fnl", line=282}), setmetatable({_VARARG}, {filename="src/fennel/macros.fnl", line=282}), body}, getmetatable(list()))}, getmetatable(list()))
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(partial_2a, "fnl/arglist", {"f", "..."}, "fnl/docstring", "Return a function with all arguments partially applied to f.")
|
|
local function pick_args_2a(n, f)
|
|
if (_G.io and _G.io.stderr) then
|
|
do end (_G.io.stderr):write("-- WARNING: pick-args is deprecated and will be removed in the future.\n")
|
|
end
|
|
local bindings = {}
|
|
for i = 1, n do
|
|
bindings[i] = gensym()
|
|
end
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=291, bytestart=10877, sym('fn', nil, {quoted=true, filename="src/fennel/macros.fnl", line=291}), bindings, setmetatable({filename="src/fennel/macros.fnl", line=291, bytestart=10891, f, unpack(bindings)}, getmetatable(list()))}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(pick_args_2a, "fnl/arglist", {"n", "f"}, "fnl/docstring", "Create a function of arity n that applies its arguments to f. Deprecated.")
|
|
local function lambda_2a(...)
|
|
local args = {...}
|
|
local args_len = #args
|
|
local has_internal_name_3f = _G["sym?"](args[1])
|
|
local arglist = nil
|
|
if has_internal_name_3f then
|
|
arglist = args[2]
|
|
else
|
|
arglist = args[1]
|
|
end
|
|
local metadata_position = nil
|
|
if has_internal_name_3f then
|
|
metadata_position = 3
|
|
else
|
|
metadata_position = 2
|
|
end
|
|
local _, check_position = _G["get-function-metadata"]({"lambda", ...}, arglist, metadata_position)
|
|
local empty_body_3f = (args_len < check_position)
|
|
local function check_21(a)
|
|
if _G["table?"](a) then
|
|
for _0, a0 in pairs(a) do
|
|
check_21(a0)
|
|
end
|
|
return nil
|
|
else
|
|
local _33_
|
|
do
|
|
local as = tostring(a)
|
|
local as1 = as:sub(1, 1)
|
|
_33_ = not (("_" == as1) or ("?" == as1) or ("&" == as) or ("..." == as) or ("&as" == as))
|
|
end
|
|
if _33_ then
|
|
return table.insert(args, check_position, setmetatable({filename="src/fennel/macros.fnl", line=312, bytestart=11826, sym('_G.assert', nil, {quoted=true, filename="src/fennel/macros.fnl", line=312}), setmetatable({filename="src/fennel/macros.fnl", line=312, bytestart=11837, sym('not=', nil, {quoted=true, filename="src/fennel/macros.fnl", line=312}), sym('nil', nil, {quoted=true, filename="src/fennel/macros.fnl", line=312}), a}, getmetatable(list())), ("Missing argument %s on %s:%s"):format(tostring(a), (a.filename or "unknown"), (a.line or "?"))}, getmetatable(list())))
|
|
end
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(check_21, "fnl/arglist", {"a"})
|
|
assert(("table" == type(arglist)), "expected arg list")
|
|
for _0, a in ipairs(arglist) do
|
|
check_21(a)
|
|
end
|
|
if empty_body_3f then
|
|
table.insert(args, sym("nil"))
|
|
end
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=321, bytestart=12271, sym('fn', nil, {quoted=true, filename="src/fennel/macros.fnl", line=321}), unpack(args)}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(lambda_2a, "fnl/arglist", {"..."}, "fnl/docstring", "Function literal with nil-checked arguments.\nLike `fn`, but will throw an exception if a declared argument is passed in as\nnil, unless that argument's name begins with a question mark.")
|
|
local function macro_2a(name, ...)
|
|
assert(_G["sym?"](name), "expected symbol for macro name")
|
|
local args = {...}
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=327, bytestart=12423, sym('macros', nil, {quoted=true, filename="src/fennel/macros.fnl", line=327}), setmetatable({[tostring(name)]=setmetatable({filename="src/fennel/macros.fnl", line=327, bytestart=12449, sym('fn', nil, {quoted=true, filename="src/fennel/macros.fnl", line=327}), unpack(args)}, getmetatable(list()))}, {filename="src/fennel/macros.fnl", line=327})}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(macro_2a, "fnl/arglist", {"name", "..."}, "fnl/docstring", "Define a single macro.")
|
|
local function macrodebug_2a(form, return_3f)
|
|
local handle = nil
|
|
if return_3f then
|
|
handle = sym('do', nil, {quoted=true, filename="src/fennel/macros.fnl", line=332})
|
|
else
|
|
handle = sym('print', nil, {quoted=true, filename="src/fennel/macros.fnl", line=332})
|
|
end
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=335, bytestart=12845, handle, view(macroexpand(form, _SCOPE), {["detect-cycles?"] = false})}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(macrodebug_2a, "fnl/arglist", {"form", "return?"}, "fnl/docstring", "Print the resulting form after performing macroexpansion.\nWith a second argument, returns expanded form as a string instead of printing.")
|
|
local function import_macros_2a(binding1, module_name1, ...)
|
|
assert((binding1 and module_name1 and (0 == (select("#", ...) % 2))), "expected even number of binding/modulename pairs")
|
|
for i = 1, select("#", binding1, module_name1, ...), 2 do
|
|
local binding, modname = select(i, binding1, module_name1, ...)
|
|
local scope = _G["get-scope"]()
|
|
local expr = setmetatable({filename="src/fennel/macros.fnl", line=354, bytestart=14006, sym('import-macros', nil, {quoted=true, filename="src/fennel/macros.fnl", line=354}), modname}, getmetatable(list()))
|
|
local filename = nil
|
|
if _G["list?"](modname) then
|
|
filename = modname[1].filename
|
|
else
|
|
filename = "unknown"
|
|
end
|
|
local _ = nil
|
|
expr.filename = filename
|
|
_ = nil
|
|
local macros_2a = _SPECIALS["require-macros"](expr, scope, {}, binding)
|
|
if _G["sym?"](binding) then
|
|
scope.macros[binding[1]] = macros_2a
|
|
elseif _G["table?"](binding) then
|
|
for macro_name, _38_0 in pairs(binding) do
|
|
local _39_ = _38_0
|
|
local import_key = _39_[1]
|
|
assert(("function" == type(macros_2a[macro_name])), ("macro " .. macro_name .. " not found in module " .. tostring(modname)))
|
|
scope.macros[import_key] = macros_2a[macro_name]
|
|
end
|
|
end
|
|
end
|
|
return nil
|
|
end
|
|
utils['fennel-module'].metadata:setall(import_macros_2a, "fnl/arglist", {"binding1", "module-name1", "..."}, "fnl/docstring", "Bind a table of macros from each macro module according to a binding form.\nEach binding form can be either a symbol or a k/v destructuring table.\nExample:\n (import-macros mymacros :my-macros ; bind to symbol\n {:macro1 alias : macro2} :proj.macros) ; import by name")
|
|
local function assert_repl_2a(condition, ...)
|
|
do local _ = {["fnl/arglist"] = {condition, _G["?message"], ...}} end
|
|
local function add_locals(_41_0, locals)
|
|
local _42_ = _41_0
|
|
local parent = _42_["parent"]
|
|
local symmeta = _42_["symmeta"]
|
|
for name in pairs(symmeta) do
|
|
locals[name] = sym(name)
|
|
end
|
|
if parent then
|
|
return add_locals(parent, locals)
|
|
else
|
|
return locals
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(add_locals, "fnl/arglist", {"#<table>", "locals"})
|
|
return setmetatable({filename="src/fennel/macros.fnl", line=379, bytestart=15225, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=379}), setmetatable({sym('unpack_44_', nil, {filename="src/fennel/macros.fnl", line=379}), setmetatable({filename="src/fennel/macros.fnl", line=379, bytestart=15239, sym('or', nil, {quoted=true, filename="src/fennel/macros.fnl", line=379}), sym('table.unpack', nil, {quoted=true, filename="src/fennel/macros.fnl", line=379}), sym('_G.unpack', nil, {quoted=true, filename="src/fennel/macros.fnl", line=379})}, getmetatable(list())), sym('pack_46_', nil, {filename="src/fennel/macros.fnl", line=380}), setmetatable({filename="src/fennel/macros.fnl", line=380, bytestart=15282, sym('or', nil, {quoted=true, filename="src/fennel/macros.fnl", line=380}), sym('table.pack', nil, {quoted=true, filename="src/fennel/macros.fnl", line=380}), setmetatable({filename=nil, line=nil, bytestart=nil, sym('hashfn', nil, {quoted=true, filename=nil, line=nil}), setmetatable({filename="src/fennel/macros.fnl", line=380, bytestart=15298, sym('doto', nil, {quoted=true, filename="src/fennel/macros.fnl", line=380}), setmetatable({sym('$...', nil, {quoted=true, filename="src/fennel/macros.fnl", line=380})}, {filename="src/fennel/macros.fnl", line=380}), setmetatable({filename="src/fennel/macros.fnl", line=380, bytestart=15311, sym('tset', nil, {quoted=true, filename="src/fennel/macros.fnl", line=380}), "n", setmetatable({filename="src/fennel/macros.fnl", line=380, bytestart=15320, sym('select', nil, {quoted=true, filename="src/fennel/macros.fnl", line=380}), "#", sym('$...', nil, {quoted=true, filename="src/fennel/macros.fnl", line=380})}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list())), sym('vals_45_', nil, {filename="src/fennel/macros.fnl", line=383}), setmetatable({filename="src/fennel/macros.fnl", line=383, bytestart=15493, sym('pack_46_', nil, {filename="src/fennel/macros.fnl", line=383}), condition, ...}, getmetatable(list())), sym('condition_47_', nil, {filename="src/fennel/macros.fnl", line=384}), setmetatable({filename="src/fennel/macros.fnl", line=384, bytestart=15537, sym('.', nil, {quoted=true, filename="src/fennel/macros.fnl", line=384}), sym('vals_45_', nil, {filename="src/fennel/macros.fnl", line=384}), 1}, getmetatable(list())), sym('message_48_', nil, {filename="src/fennel/macros.fnl", line=385}), setmetatable({filename="src/fennel/macros.fnl", line=385, bytestart=15567, sym('or', nil, {quoted=true, filename="src/fennel/macros.fnl", line=385}), setmetatable({filename="src/fennel/macros.fnl", line=385, bytestart=15571, sym('.', nil, {quoted=true, filename="src/fennel/macros.fnl", line=385}), sym('vals_45_', nil, {filename="src/fennel/macros.fnl", line=385}), 2}, getmetatable(list())), "assertion failed, entering repl."}, getmetatable(list()))}, {filename="src/fennel/macros.fnl", line=379}), setmetatable({filename="src/fennel/macros.fnl", line=386, bytestart=15625, sym('if', nil, {quoted=true, filename="src/fennel/macros.fnl", line=386}), setmetatable({filename="src/fennel/macros.fnl", line=386, bytestart=15629, sym('not', nil, {quoted=true, filename="src/fennel/macros.fnl", line=386}), sym('condition_47_', nil, {filename="src/fennel/macros.fnl", line=386})}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=387, bytestart=15655, sym('let', nil, {quoted=true, filename="src/fennel/macros.fnl", line=387}), setmetatable({sym('opts_49_', nil, {filename="src/fennel/macros.fnl", line=387}), setmetatable({["assert-repl?"]=true}, {filename="src/fennel/macros.fnl", line=387}), sym('fennel_50_', nil, {filename="src/fennel/macros.fnl", line=388}), setmetatable({filename="src/fennel/macros.fnl", line=388, bytestart=15711, sym('require', nil, {quoted=true, filename="src/fennel/macros.fnl", line=388}), _G["fennel-module-name"]()}, getmetatable(list())), sym('locals_51_', nil, {filename="src/fennel/macros.fnl", line=389}), add_locals(_G["get-scope"](), {})}, {filename="src/fennel/macros.fnl", line=387}), setmetatable({filename="src/fennel/macros.fnl", line=390, bytestart=15807, sym('set', nil, {quoted=true, filename="src/fennel/macros.fnl", line=390}), sym('opts_49_.message', nil, {filename="src/fennel/macros.fnl", line=390}), setmetatable({filename="src/fennel/macros.fnl", line=390, bytestart=15826, sym('fennel_50_.traceback', nil, {filename="src/fennel/macros.fnl", line=390}), sym('message_48_', nil, {filename="src/fennel/macros.fnl", line=390})}, getmetatable(list()))}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=391, bytestart=15867, sym('each', nil, {quoted=true, filename="src/fennel/macros.fnl", line=391}), setmetatable({sym('k_52_', nil, {filename="src/fennel/macros.fnl", line=391}), sym('v_53_', nil, {filename="src/fennel/macros.fnl", line=391}), setmetatable({filename="src/fennel/macros.fnl", line=391, bytestart=15880, sym('pairs', nil, {quoted=true, filename="src/fennel/macros.fnl", line=391}), sym('_G', nil, {quoted=true, filename="src/fennel/macros.fnl", line=391})}, getmetatable(list()))}, {filename="src/fennel/macros.fnl", line=391}), setmetatable({filename="src/fennel/macros.fnl", line=392, bytestart=15905, sym('when', nil, {quoted=true, filename="src/fennel/macros.fnl", line=392}), setmetatable({filename="src/fennel/macros.fnl", line=392, bytestart=15911, sym('=', nil, {quoted=true, filename="src/fennel/macros.fnl", line=392}), sym('nil', nil, {quoted=true, filename="src/fennel/macros.fnl", line=392}), setmetatable({filename="src/fennel/macros.fnl", line=392, bytestart=15918, sym('.', nil, {quoted=true, filename="src/fennel/macros.fnl", line=392}), sym('locals_51_', nil, {filename="src/fennel/macros.fnl", line=392}), sym('k_52_', nil, {filename="src/fennel/macros.fnl", line=392})}, getmetatable(list()))}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=392, bytestart=15934, sym('tset', nil, {quoted=true, filename="src/fennel/macros.fnl", line=392}), sym('locals_51_', nil, {filename="src/fennel/macros.fnl", line=392}), sym('k_52_', nil, {filename="src/fennel/macros.fnl", line=392}), sym('v_53_', nil, {filename="src/fennel/macros.fnl", line=392})}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=393, bytestart=15968, sym('set', nil, {quoted=true, filename="src/fennel/macros.fnl", line=393}), sym('opts_49_.env', nil, {filename="src/fennel/macros.fnl", line=393}), sym('locals_51_', nil, {filename="src/fennel/macros.fnl", line=393})}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=394, bytestart=16003, sym('_G.assert', nil, {quoted=true, filename="src/fennel/macros.fnl", line=394}), setmetatable({filename="src/fennel/macros.fnl", line=394, bytestart=16014, sym('fennel_50_.repl', nil, {filename="src/fennel/macros.fnl", line=394}), sym('opts_49_', nil, {filename="src/fennel/macros.fnl", line=394})}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list())), setmetatable({filename="src/fennel/macros.fnl", line=395, bytestart=16046, sym('values', nil, {quoted=true, filename="src/fennel/macros.fnl", line=395}), setmetatable({filename="src/fennel/macros.fnl", line=395, bytestart=16054, sym('unpack_44_', nil, {filename="src/fennel/macros.fnl", line=395}), sym('vals_45_', nil, {filename="src/fennel/macros.fnl", line=395}), 1, sym('vals_45_.n', nil, {filename="src/fennel/macros.fnl", line=395})}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list()))}, getmetatable(list()))
|
|
end
|
|
utils['fennel-module'].metadata:setall(assert_repl_2a, "fnl/arglist", {"condition", "..."}, "fnl/docstring", "Enter into a debug REPL and print the message when condition is false/nil.\nWorks as a drop-in replacement for Lua's `assert`.\nREPL `,return` command returns values to assert in place to continue execution.")
|
|
return {["->"] = __3e_2a, ["->>"] = __3e_3e_2a, ["-?>"] = __3f_3e_2a, ["-?>>"] = __3f_3e_3e_2a, ["?."] = _3fdot, ["\206\187"] = lambda_2a, ["assert-repl"] = assert_repl_2a, ["import-macros"] = import_macros_2a, ["pick-args"] = pick_args_2a, ["with-open"] = with_open_2a, accumulate = accumulate_2a, collect = collect_2a, doto = doto_2a, faccumulate = faccumulate_2a, fcollect = fcollect_2a, icollect = icollect_2a, lambda = lambda_2a, macro = macro_2a, macrodebug = macrodebug_2a, partial = partial_2a, when = when_2a}
|
|
]===], env)
|
|
load_macros([===[local function copy(t)
|
|
local tbl_14_ = {}
|
|
for k, v in pairs(t) do
|
|
local k_15_, v_16_ = k, v
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
return tbl_14_
|
|
end
|
|
utils['fennel-module'].metadata:setall(copy, "fnl/arglist", {"t"})
|
|
local function double_eval_safe_3f(x, type)
|
|
return (("number" == type) or ("string" == type) or ("boolean" == type) or (_G["sym?"](x) and not _G["multi-sym?"](x)))
|
|
end
|
|
utils['fennel-module'].metadata:setall(double_eval_safe_3f, "fnl/arglist", {"x", "type"})
|
|
local function with(opts, k)
|
|
local _2_0 = copy(opts)
|
|
_2_0[k] = true
|
|
return _2_0
|
|
end
|
|
utils['fennel-module'].metadata:setall(with, "fnl/arglist", {"opts", "k"})
|
|
local function without(opts, k)
|
|
local _3_0 = copy(opts)
|
|
_3_0[k] = nil
|
|
return _3_0
|
|
end
|
|
utils['fennel-module'].metadata:setall(without, "fnl/arglist", {"opts", "k"})
|
|
local function case_values(vals, pattern, unifications, case_pattern, opts)
|
|
local condition = setmetatable({filename="src/fennel/match.fnl", line=20, bytestart=528, sym('and', nil, {quoted=true, filename="src/fennel/match.fnl", line=20})}, getmetatable(list()))
|
|
local bindings = {}
|
|
for i, pat in ipairs(pattern) do
|
|
local subcondition, subbindings = case_pattern({vals[i]}, pat, unifications, without(opts, "multival?"))
|
|
table.insert(condition, subcondition)
|
|
local tbl_17_ = bindings
|
|
local i_18_ = #tbl_17_
|
|
for _, b in ipairs(subbindings) do
|
|
local val_19_ = b
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
end
|
|
return condition, bindings
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_values, "fnl/arglist", {"vals", "pattern", "unifications", "case-pattern", "opts"})
|
|
local function case_table(val, pattern, unifications, case_pattern, opts, _3ftop)
|
|
local condition = nil
|
|
if ("table" == _3ftop) then
|
|
condition = setmetatable({filename="src/fennel/match.fnl", line=30, bytestart=1005, sym('and', nil, {quoted=true, filename="src/fennel/match.fnl", line=30})}, getmetatable(list()))
|
|
else
|
|
condition = setmetatable({filename="src/fennel/match.fnl", line=30, bytestart=1012, sym('and', nil, {quoted=true, filename="src/fennel/match.fnl", line=30}), setmetatable({filename="src/fennel/match.fnl", line=30, bytestart=1017, sym('=', nil, {quoted=true, filename="src/fennel/match.fnl", line=30}), setmetatable({filename="src/fennel/match.fnl", line=30, bytestart=1020, sym('_G.type', nil, {quoted=true, filename="src/fennel/match.fnl", line=30}), val}, getmetatable(list())), "table"}, getmetatable(list()))}, getmetatable(list()))
|
|
end
|
|
local bindings = {}
|
|
for k, pat in pairs(pattern) do
|
|
if _G["sym?"](pat, "&") then
|
|
local rest_pat = pattern[(k + 1)]
|
|
local rest_val = setmetatable({filename="src/fennel/match.fnl", line=35, bytestart=1195, sym('select', nil, {quoted=true, filename="src/fennel/match.fnl", line=35}), k, setmetatable({filename="src/fennel/match.fnl", line=35, bytestart=1206, setmetatable({filename="src/fennel/match.fnl", line=35, bytestart=1207, sym('or', nil, {quoted=true, filename="src/fennel/match.fnl", line=35}), sym('table.unpack', nil, {quoted=true, filename="src/fennel/match.fnl", line=35}), sym('_G.unpack', nil, {quoted=true, filename="src/fennel/match.fnl", line=35})}, getmetatable(list())), val}, getmetatable(list()))}, getmetatable(list()))
|
|
local subcondition = case_table(setmetatable({filename="src/fennel/match.fnl", line=36, bytestart=1284, sym('pick-values', nil, {quoted=true, filename="src/fennel/match.fnl", line=36}), 1, rest_val}, getmetatable(list())), rest_pat, unifications, case_pattern, without(opts, "multival?"))
|
|
if not _G["sym?"](rest_pat) then
|
|
table.insert(condition, subcondition)
|
|
end
|
|
assert((nil == pattern[(k + 2)]), "expected & rest argument before last parameter")
|
|
table.insert(bindings, rest_pat)
|
|
table.insert(bindings, {rest_val})
|
|
elseif _G["sym?"](k, "&as") then
|
|
table.insert(bindings, pat)
|
|
table.insert(bindings, val)
|
|
elseif (("number" == type(k)) and _G["sym?"](pat, "&as")) then
|
|
assert((nil == pattern[(k + 2)]), "expected &as argument before last parameter")
|
|
table.insert(bindings, pattern[(k + 1)])
|
|
table.insert(bindings, val)
|
|
elseif (("number" ~= type(k)) or (not _G["sym?"](pattern[(k - 1)], "&as") and not _G["sym?"](pattern[(k - 1)], "&"))) then
|
|
local subval = setmetatable({filename="src/fennel/match.fnl", line=58, bytestart=2418, sym('.', nil, {quoted=true, filename="src/fennel/match.fnl", line=58}), val, k}, getmetatable(list()))
|
|
local subcondition, subbindings = case_pattern({subval}, pat, unifications, without(opts, "multival?"))
|
|
table.insert(condition, subcondition)
|
|
local tbl_17_ = bindings
|
|
local i_18_ = #tbl_17_
|
|
for _, b in ipairs(subbindings) do
|
|
local val_19_ = b
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
end
|
|
end
|
|
return condition, bindings
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_table, "fnl/arglist", {"val", "pattern", "unifications", "case-pattern", "opts", "?top"})
|
|
local function case_guard(vals, condition, guards, unifications, case_pattern, opts)
|
|
if guards[1] then
|
|
local pcondition, bindings = case_pattern(vals, condition, unifications, opts)
|
|
local condition0 = setmetatable({filename="src/fennel/match.fnl", line=69, bytestart=3002, sym('and', nil, {quoted=true, filename="src/fennel/match.fnl", line=69}), unpack(guards)}, getmetatable(list()))
|
|
return setmetatable({filename="src/fennel/match.fnl", line=70, bytestart=3042, sym('and', nil, {quoted=true, filename="src/fennel/match.fnl", line=70}), pcondition, setmetatable({filename="src/fennel/match.fnl", line=71, bytestart=3080, sym('let', nil, {quoted=true, filename="src/fennel/match.fnl", line=71}), bindings, condition0}, getmetatable(list()))}, getmetatable(list())), bindings
|
|
else
|
|
return case_pattern(vals, condition, unifications, opts)
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_guard, "fnl/arglist", {"vals", "condition", "guards", "unifications", "case-pattern", "opts"})
|
|
local function symbols_in_pattern(pattern)
|
|
if _G["list?"](pattern) then
|
|
if (_G["sym?"](pattern[1], "where") or _G["sym?"](pattern[1], "=")) then
|
|
return symbols_in_pattern(pattern[2])
|
|
elseif _G["sym?"](pattern[2], "?") then
|
|
return symbols_in_pattern(pattern[1])
|
|
else
|
|
local result = {}
|
|
for _, child_pattern in ipairs(pattern) do
|
|
local tbl_14_ = result
|
|
for name, symbol in pairs(symbols_in_pattern(child_pattern)) do
|
|
local k_15_, v_16_ = name, symbol
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
end
|
|
return result
|
|
end
|
|
elseif _G["sym?"](pattern) then
|
|
if (not _G["sym?"](pattern, "or") and not _G["sym?"](pattern, "nil")) then
|
|
return {[tostring(pattern)] = pattern}
|
|
else
|
|
return {}
|
|
end
|
|
elseif (type(pattern) == "table") then
|
|
local result = {}
|
|
for key_pattern, value_pattern in pairs(pattern) do
|
|
do
|
|
local tbl_14_ = result
|
|
for name, symbol in pairs(symbols_in_pattern(key_pattern)) do
|
|
local k_15_, v_16_ = name, symbol
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
end
|
|
local tbl_14_ = result
|
|
for name, symbol in pairs(symbols_in_pattern(value_pattern)) do
|
|
local k_15_, v_16_ = name, symbol
|
|
if ((k_15_ ~= nil) and (v_16_ ~= nil)) then
|
|
tbl_14_[k_15_] = v_16_
|
|
end
|
|
end
|
|
end
|
|
return result
|
|
else
|
|
return {}
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(symbols_in_pattern, "fnl/arglist", {"pattern"}, "fnl/docstring", "gives the set of symbols inside a pattern")
|
|
local function symbols_in_every_pattern(pattern_list, infer_unification_3f)
|
|
local _3fsymbols = nil
|
|
do
|
|
local _3fsymbols0 = nil
|
|
for _, pattern in ipairs(pattern_list) do
|
|
local in_pattern = symbols_in_pattern(pattern)
|
|
if _3fsymbols0 then
|
|
for name in pairs(_3fsymbols0) do
|
|
if not in_pattern[name] then
|
|
_3fsymbols0[name] = nil
|
|
end
|
|
end
|
|
_3fsymbols0 = _3fsymbols0
|
|
else
|
|
_3fsymbols0 = in_pattern
|
|
end
|
|
end
|
|
_3fsymbols = _3fsymbols0
|
|
end
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, symbol in pairs((_3fsymbols or {})) do
|
|
local val_19_ = nil
|
|
if not (infer_unification_3f and _G["in-scope?"](symbol)) then
|
|
val_19_ = symbol
|
|
else
|
|
val_19_ = nil
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
return tbl_17_
|
|
end
|
|
utils['fennel-module'].metadata:setall(symbols_in_every_pattern, "fnl/arglist", {"pattern-list", "infer-unification?"}, "fnl/docstring", "gives a list of symbols that are present in every pattern in the list")
|
|
local function case_or(vals, pattern, guards, unifications, case_pattern, opts)
|
|
local pattern0 = {unpack(pattern, 2)}
|
|
local bindings = symbols_in_every_pattern(pattern0, opts["infer-unification?"])
|
|
if (nil == bindings[1]) then
|
|
local condition = nil
|
|
do
|
|
local tbl_17_ = setmetatable({filename="src/fennel/match.fnl", line=125, bytestart=5354, sym('or', nil, {quoted=true, filename="src/fennel/match.fnl", line=125})}, getmetatable(list()))
|
|
local i_18_ = #tbl_17_
|
|
for _, subpattern in ipairs(pattern0) do
|
|
local val_19_ = case_pattern(vals, subpattern, unifications, opts)
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
condition = tbl_17_
|
|
end
|
|
local _21_
|
|
if guards[1] then
|
|
_21_ = setmetatable({filename="src/fennel/match.fnl", line=128, bytestart=5495, sym('and', nil, {quoted=true, filename="src/fennel/match.fnl", line=128}), condition, unpack(guards)}, getmetatable(list()))
|
|
else
|
|
_21_ = condition
|
|
end
|
|
return _21_, {}
|
|
else
|
|
local matched_3f = gensym("matched?")
|
|
local bindings_mangled = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for _, binding in ipairs(bindings) do
|
|
local val_19_ = gensym(tostring(binding))
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
bindings_mangled = tbl_17_
|
|
end
|
|
local pre_bindings = setmetatable({filename="src/fennel/match.fnl", line=135, bytestart=5870, sym('if', nil, {quoted=true, filename="src/fennel/match.fnl", line=135})}, getmetatable(list()))
|
|
for _, subpattern in ipairs(pattern0) do
|
|
local subcondition, subbindings = case_guard(vals, subpattern, guards, {}, case_pattern, opts)
|
|
table.insert(pre_bindings, subcondition)
|
|
table.insert(pre_bindings, setmetatable({filename="src/fennel/match.fnl", line=139, bytestart=6116, sym('let', nil, {quoted=true, filename="src/fennel/match.fnl", line=139}), subbindings, setmetatable({filename="src/fennel/match.fnl", line=140, bytestart=6176, sym('values', nil, {quoted=true, filename="src/fennel/match.fnl", line=140}), true, unpack(bindings)}, getmetatable(list()))}, getmetatable(list())))
|
|
end
|
|
return matched_3f, {setmetatable({filename="src/fennel/match.fnl", line=142, bytestart=6256, unpack(bindings)}, getmetatable(list())), setmetatable({filename="src/fennel/match.fnl", line=142, bytestart=6278, sym('values', nil, {quoted=true, filename="src/fennel/match.fnl", line=142}), unpack(bindings_mangled)}, getmetatable(list()))}, {setmetatable({filename="src/fennel/match.fnl", line=143, bytestart=6333, matched_3f, unpack(bindings_mangled)}, getmetatable(list())), pre_bindings}
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_or, "fnl/arglist", {"vals", "pattern", "guards", "unifications", "case-pattern", "opts"})
|
|
local function case_pattern(vals, pattern, unifications, opts, _3ftop)
|
|
local _25_ = vals
|
|
local val = _25_[1]
|
|
if (_G["sym?"](pattern) and (_G["sym?"](pattern, "nil") or (opts["infer-unification?"] and _G["in-scope?"](pattern) and not _G["sym?"](pattern, "_")) or (opts["infer-unification?"] and _G["multi-sym?"](pattern) and _G["in-scope?"](_G["multi-sym?"](pattern)[1])))) then
|
|
return setmetatable({filename="src/fennel/match.fnl", line=177, bytestart=8254, sym('=', nil, {quoted=true, filename="src/fennel/match.fnl", line=177}), val, pattern}, getmetatable(list())), {}
|
|
elseif (_G["sym?"](pattern) and unifications[tostring(pattern)]) then
|
|
return setmetatable({filename="src/fennel/match.fnl", line=180, bytestart=8402, sym('=', nil, {quoted=true, filename="src/fennel/match.fnl", line=180}), unifications[tostring(pattern)], val}, getmetatable(list())), {}
|
|
elseif _G["sym?"](pattern) then
|
|
local wildcard_3f = tostring(pattern):find("^_")
|
|
if not wildcard_3f then
|
|
unifications[tostring(pattern)] = val
|
|
end
|
|
local _27_
|
|
if (wildcard_3f or string.find(tostring(pattern), "^?")) then
|
|
_27_ = true
|
|
else
|
|
_27_ = setmetatable({filename="src/fennel/match.fnl", line=186, bytestart=8741, sym('not=', nil, {quoted=true, filename="src/fennel/match.fnl", line=186}), sym("nil"), val}, getmetatable(list()))
|
|
end
|
|
return _27_, {pattern, val}
|
|
elseif (_G["list?"](pattern) and _G["sym?"](pattern[1], "=") and _G["sym?"](pattern[2])) then
|
|
local bind = pattern[2]
|
|
_G["assert-compile"]((2 == #pattern), "(=) should take only one argument", pattern)
|
|
_G["assert-compile"](not opts["infer-unification?"], "(=) cannot be used inside of match", pattern)
|
|
_G["assert-compile"](opts["in-where?"], "(=) must be used in (where) patterns", pattern)
|
|
_G["assert-compile"]((_G["sym?"](bind) and not _G["sym?"](bind, "nil") and "= has to bind to a symbol" and bind))
|
|
return setmetatable({filename="src/fennel/match.fnl", line=196, bytestart=9355, sym('=', nil, {quoted=true, filename="src/fennel/match.fnl", line=196}), val, bind}, getmetatable(list())), {}
|
|
elseif (_G["list?"](pattern) and _G["sym?"](pattern[1], "where") and _G["list?"](pattern[2]) and _G["sym?"](pattern[2][1], "or")) then
|
|
_G["assert-compile"](_3ftop, "can't nest (where) pattern", pattern)
|
|
return case_or(vals, pattern[2], {unpack(pattern, 3)}, unifications, case_pattern, with(opts, "in-where?"))
|
|
elseif (_G["list?"](pattern) and _G["sym?"](pattern[1], "where")) then
|
|
_G["assert-compile"](_3ftop, "can't nest (where) pattern", pattern)
|
|
return case_guard(vals, pattern[2], {unpack(pattern, 3)}, unifications, case_pattern, with(opts, "in-where?"))
|
|
elseif (_G["list?"](pattern) and _G["sym?"](pattern[1], "or")) then
|
|
_G["assert-compile"](_3ftop, "can't nest (or) pattern", pattern)
|
|
_G["assert-compile"](false, "(or) must be used in (where) patterns", pattern)
|
|
return case_or(vals, pattern, {}, unifications, case_pattern, opts)
|
|
elseif (_G["list?"](pattern) and _G["sym?"](pattern[2], "?")) then
|
|
_G["assert-compile"](opts["legacy-guard-allowed?"], "legacy guard clause not supported in case", pattern)
|
|
return case_guard(vals, pattern[1], {unpack(pattern, 3)}, unifications, case_pattern, opts)
|
|
elseif _G["list?"](pattern) then
|
|
_G["assert-compile"](opts["multival?"], "can't nest multi-value destructuring", pattern)
|
|
return case_values(vals, pattern, unifications, case_pattern, opts)
|
|
elseif (type(pattern) == "table") then
|
|
return case_table(val, pattern, unifications, case_pattern, opts, _3ftop)
|
|
else
|
|
return setmetatable({filename="src/fennel/match.fnl", line=228, bytestart=11092, sym('=', nil, {quoted=true, filename="src/fennel/match.fnl", line=228}), val, pattern}, getmetatable(list())), {}
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_pattern, "fnl/arglist", {"vals", "pattern", "unifications", "opts", "?top"}, "fnl/docstring", "Take the AST of values and a single pattern and returns a condition\nto determine if it matches as well as a list of bindings to\nintroduce for the duration of the body if it does match.")
|
|
local function add_pre_bindings(out, pre_bindings)
|
|
if pre_bindings then
|
|
local tail = setmetatable({filename="src/fennel/match.fnl", line=237, bytestart=11490, sym('if', nil, {quoted=true, filename="src/fennel/match.fnl", line=237})}, getmetatable(list()))
|
|
table.insert(out, true)
|
|
table.insert(out, setmetatable({filename="src/fennel/match.fnl", line=239, bytestart=11555, sym('let', nil, {quoted=true, filename="src/fennel/match.fnl", line=239}), pre_bindings, tail}, getmetatable(list())))
|
|
return tail
|
|
else
|
|
return out
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(add_pre_bindings, "fnl/arglist", {"out", "pre-bindings"}, "fnl/docstring", "Decide when to switch from the current `if` AST to a new one")
|
|
local function case_condition(vals, clauses, match_3f, top_table_3f)
|
|
local root = setmetatable({filename="src/fennel/match.fnl", line=248, bytestart=11896, sym('if', nil, {quoted=true, filename="src/fennel/match.fnl", line=248})}, getmetatable(list()))
|
|
do
|
|
local out = root
|
|
for i = 1, #clauses, 2 do
|
|
local pattern = clauses[i]
|
|
local body = clauses[(i + 1)]
|
|
local condition, bindings, pre_bindings = nil, nil, nil
|
|
local function _31_()
|
|
if top_table_3f then
|
|
return "table"
|
|
else
|
|
return true
|
|
end
|
|
end
|
|
condition, bindings, pre_bindings = case_pattern(vals, pattern, {}, {["infer-unification?"] = match_3f, ["legacy-guard-allowed?"] = match_3f, ["multival?"] = true}, _31_())
|
|
local out0 = add_pre_bindings(out, pre_bindings)
|
|
table.insert(out0, condition)
|
|
table.insert(out0, setmetatable({filename="src/fennel/match.fnl", line=261, bytestart=12633, sym('let', nil, {quoted=true, filename="src/fennel/match.fnl", line=261}), bindings, body}, getmetatable(list())))
|
|
out = out0
|
|
end
|
|
end
|
|
return root
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_condition, "fnl/arglist", {"vals", "clauses", "match?", "top-table?"}, "fnl/docstring", "Construct the actual `if` AST for the given match values and clauses.")
|
|
local function count_case_multival(pattern)
|
|
if (_G["list?"](pattern) and _G["sym?"](pattern[2], "?")) then
|
|
return count_case_multival(pattern[1])
|
|
elseif (_G["list?"](pattern) and _G["sym?"](pattern[1], "where")) then
|
|
return count_case_multival(pattern[2])
|
|
elseif (_G["list?"](pattern) and _G["sym?"](pattern[1], "or")) then
|
|
local longest = 0
|
|
for _, child_pattern in ipairs(pattern) do
|
|
longest = math.max(longest, count_case_multival(child_pattern))
|
|
end
|
|
return longest
|
|
elseif _G["list?"](pattern) then
|
|
return #pattern
|
|
else
|
|
return 1
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(count_case_multival, "fnl/arglist", {"pattern"}, "fnl/docstring", "Identify the amount of multival values that a pattern requires.")
|
|
local function case_count_syms(clauses)
|
|
local patterns = nil
|
|
do
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i = 1, #clauses, 2 do
|
|
local val_19_ = clauses[i]
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
patterns = tbl_17_
|
|
end
|
|
local longest = 0
|
|
for _, pattern in ipairs(patterns) do
|
|
longest = math.max(longest, count_case_multival(pattern))
|
|
end
|
|
return longest
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_count_syms, "fnl/arglist", {"clauses"}, "fnl/docstring", "Find the length of the largest multi-valued clause")
|
|
local function maybe_optimize_table(val, clauses)
|
|
local _34_
|
|
do
|
|
local all = _G["sequence?"](val)
|
|
for i = 1, #clauses, 2 do
|
|
if not all then break end
|
|
local function _35_()
|
|
local all2 = next(clauses[i])
|
|
for _, d in ipairs(clauses[i]) do
|
|
if not all2 then break end
|
|
all2 = (all2 and (not _G["sym?"](d) or not tostring(d):find("^&")))
|
|
end
|
|
return all2
|
|
end
|
|
all = (_G["sequence?"](clauses[i]) and _35_())
|
|
end
|
|
_34_ = all
|
|
end
|
|
if _34_ then
|
|
local function _36_()
|
|
local tbl_17_ = {}
|
|
local i_18_ = #tbl_17_
|
|
for i = 1, #clauses do
|
|
local val_19_ = nil
|
|
if (1 == (i % 2)) then
|
|
val_19_ = list(unpack(clauses[i]))
|
|
else
|
|
val_19_ = clauses[i]
|
|
end
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
return tbl_17_
|
|
end
|
|
return setmetatable({filename="src/fennel/match.fnl", line=293, bytestart=13916, sym('values', nil, {quoted=true, filename="src/fennel/match.fnl", line=293}), unpack(val)}, getmetatable(list())), _36_()
|
|
else
|
|
return val, clauses
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(maybe_optimize_table, "fnl/arglist", {"val", "clauses"})
|
|
local function case_impl(match_3f, init_val, ...)
|
|
assert((init_val ~= nil), "missing subject")
|
|
assert((0 == math.fmod(select("#", ...), 2)), "expected even number of pattern/body pairs")
|
|
assert((0 ~= select("#", ...)), "expected at least one pattern/body pair")
|
|
local val, clauses = maybe_optimize_table(init_val, {...})
|
|
local vals_count = case_count_syms(clauses)
|
|
local skips_multiple_eval_protection_3f = ((vals_count == 1) and double_eval_safe_3f(val))
|
|
if skips_multiple_eval_protection_3f then
|
|
return case_condition(list(val), clauses, match_3f, _G["table?"](init_val))
|
|
else
|
|
local vals = nil
|
|
do
|
|
local tbl_17_ = list()
|
|
local i_18_ = #tbl_17_
|
|
for _ = 1, vals_count do
|
|
local val_19_ = gensym()
|
|
if (nil ~= val_19_) then
|
|
i_18_ = (i_18_ + 1)
|
|
tbl_17_[i_18_] = val_19_
|
|
end
|
|
end
|
|
vals = tbl_17_
|
|
end
|
|
return list(sym('let', nil, {quoted=true, filename="src/fennel/match.fnl", line=315}), {vals, val}, case_condition(vals, clauses, match_3f, _G["table?"](init_val)))
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_impl, "fnl/arglist", {"match?", "init-val", "..."}, "fnl/docstring", "The shared implementation of case and match.")
|
|
local function case_2a(val, ...)
|
|
return case_impl(false, val, ...)
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_2a, "fnl/arglist", {"val", "..."}, "fnl/docstring", "Perform pattern matching on val. See reference for details.\n\nSyntax:\n\n(case data-expression\n pattern body\n (where pattern guards*) body\n (where (or pattern patterns*) guards*) body)")
|
|
local function match_2a(val, ...)
|
|
return case_impl(true, val, ...)
|
|
end
|
|
utils['fennel-module'].metadata:setall(match_2a, "fnl/arglist", {"val", "..."}, "fnl/docstring", "Perform pattern matching on val, automatically unifying on variables in\nlocal scope. See reference for details.\n\nSyntax:\n\n(match data-expression\n pattern body\n (where pattern guards*) body\n (where (or pattern patterns*) guards*) body)")
|
|
local function case_try_step(how, expr, _else, pattern, body, ...)
|
|
if ((nil == pattern) and (pattern == body)) then
|
|
return expr
|
|
else
|
|
return setmetatable({filename="src/fennel/match.fnl", line=346, bytestart=15867, setmetatable({filename="src/fennel/match.fnl", line=346, bytestart=15868, sym('fn', nil, {quoted=true, filename="src/fennel/match.fnl", line=346}), setmetatable({_VARARG}, {filename="src/fennel/match.fnl", line=346}), setmetatable({filename="src/fennel/match.fnl", line=347, bytestart=15888, how, _VARARG, pattern, case_try_step(how, body, _else, ...), unpack(_else)}, getmetatable(list()))}, getmetatable(list())), expr}, getmetatable(list()))
|
|
end
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_try_step, "fnl/arglist", {"how", "expr", "else", "pattern", "body", "..."})
|
|
local function case_try_impl(how, expr, pattern, body, ...)
|
|
local clauses = {pattern, body, ...}
|
|
local last = clauses[#clauses]
|
|
local catch = nil
|
|
if _G["sym?"]((("table" == type(last)) and last[1]), "catch") then
|
|
local _43_ = table.remove(clauses)
|
|
local _ = _43_[1]
|
|
local e = {(table.unpack or unpack)(_43_, 2)}
|
|
catch = e
|
|
else
|
|
catch = {sym('__44_', nil, {filename="src/fennel/match.fnl", line=357}), _VARARG}
|
|
end
|
|
assert((0 == math.fmod(#clauses, 2)), "expected every pattern to have a body")
|
|
assert((0 == math.fmod(#catch, 2)), "expected every catch pattern to have a body")
|
|
return case_try_step(how, expr, catch, unpack(clauses))
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_try_impl, "fnl/arglist", {"how", "expr", "pattern", "body", "..."})
|
|
local function case_try_2a(expr, pattern, body, ...)
|
|
return case_try_impl(sym('case', nil, {quoted=true, filename="src/fennel/match.fnl", line=375}), expr, pattern, body, ...)
|
|
end
|
|
utils['fennel-module'].metadata:setall(case_try_2a, "fnl/arglist", {"expr", "pattern", "body", "..."}, "fnl/docstring", "Perform chained pattern matching for a sequence of steps which might fail.\n\nThe values from the initial expression are matched against the first pattern.\nIf they match, the first body is evaluated and its values are matched against\nthe second pattern, etc.\n\nIf there is a (catch pat1 body1 pat2 body2 ...) form at the end, any mismatch\nfrom the steps will be tried against these patterns in sequence as a fallback\njust like a normal match. If there is no catch, the mismatched values will be\nreturned as the value of the entire expression.")
|
|
local function match_try_2a(expr, pattern, body, ...)
|
|
return case_try_impl(sym('match', nil, {quoted=true, filename="src/fennel/match.fnl", line=388}), expr, pattern, body, ...)
|
|
end
|
|
utils['fennel-module'].metadata:setall(match_try_2a, "fnl/arglist", {"expr", "pattern", "body", "..."}, "fnl/docstring", "Perform chained pattern matching for a sequence of steps which might fail.\n\nThe values from the initial expression are matched against the first pattern.\nIf they match, the first body is evaluated and its values are matched against\nthe second pattern, etc.\n\nIf there is a (catch pat1 body1 pat2 body2 ...) form at the end, any mismatch\nfrom the steps will be tried against these patterns in sequence as a fallback\njust like a normal match. If there is no catch, the mismatched values will be\nreturned as the value of the entire expression.")
|
|
return {["case-try"] = case_try_2a, ["match-try"] = match_try_2a, case = case_2a, match = match_2a}
|
|
]===], env)
|
|
end
|
|
|
|
local fennel = mod
|
|
fennel.install({global = true})
|
|
|
|
function on_search(str)
|
|
if not str:starts_with("(") then return end
|
|
if not str:ends_with(")") then return end
|
|
search:show_lines({fennel.eval(str)})
|
|
end
|
|
|