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local utils = require('utils')
local repr, stringify, min, max, equivalent, set, is_list, sum
repr, stringify, min, max, equivalent, set, is_list, sum = utils.repr, utils.stringify, utils.min, utils.max, utils.equivalent, utils.set, utils.is_list, utils.sum
local immutable = require('immutable')
local insert, remove, concat
do
local _obj_0 = table
insert, remove, concat = _obj_0.insert, _obj_0.remove, _obj_0.concat
end
local Lua, Nomsu, Source
do
local _obj_0 = require("code_obj")
Lua, Nomsu, Source = _obj_0.Lua, _obj_0.Nomsu, _obj_0.Source
end
local MAX_LINE = 80
local Types = { }
Types.is_node = function(n)
return type(n) == 'userdata' and getmetatable(n) and Types[n.type] == getmetatable(n)
end
local Tree
Tree = function(name, kind, methods)
methods = methods or { }
assert((kind == 'single') or (kind == 'multi'))
local is_multi = (kind == 'multi')
do
methods.type = name
methods.name = name
methods.__new = function(self, value, source)
assert(source)
if type(source) == 'string' then
source = Source:from_string(source)
end
return value, source
end
methods.is_multi = is_multi
methods.map = function(self, fn)
if type(fn) == 'table' then
if not (next(fn)) then
return self
end
local _replacements = fn
fn = function(k)
return _replacements[k]
end
end
return self:_map(fn)
end
if is_multi then
methods.__tostring = function(self)
return tostring(self.name) .. "(" .. tostring(table.concat((function()
local _accum_0 = { }
local _len_0 = 1
local _list_0 = self.value
for _index_0 = 1, #_list_0 do
local v = _list_0[_index_0]
_accum_0[_len_0] = repr(v)
_len_0 = _len_0 + 1
end
return _accum_0
end)(), ', ')) .. ")"
end
methods._map = function(self, fn)
do
local ret = fn(self)
if ret then
return ret
end
end
local new_vals
do
local _accum_0 = { }
local _len_0 = 1
local _list_0 = self.value
for _index_0 = 1, #_list_0 do
local v = _list_0[_index_0]
_accum_0[_len_0] = v._map and v:_map(fn) or v
_len_0 = _len_0 + 1
end
new_vals = _accum_0
end
local ret = getmetatable(self)(Tuple(unpack(new_vals)), self.source)
return ret
end
methods.__ipairs = function(self)
return error()
end
else
methods.__tostring = function(self)
return tostring(self.name) .. "(" .. tostring(repr(self.value)) .. ")"
end
methods._map = function(self, fn)
return fn(self) or self
end
end
end
Types[name] = immutable({
"value",
"source"
}, methods)
end
Tree("Block", 'multi')
Tree("EscapedNomsu", 'multi')
Tree("Text", 'multi')
Tree("List", 'multi')
Tree("Dict", 'multi')
Tree("DictEntry", 'multi')
Tree("IndexChain", 'multi')
Tree("Number", 'single')
Tree("Comment", 'single')
Tree("Var", 'single', {
as_lua_id = function(self)
return "_" .. (self.value:gsub("%W", function(c)
if c == "_" then
return "__"
else
return ("_%x"):format(c:byte())
end
end))
end
})
Tree("Action", 'multi', {
get_stub = function(self, include_names)
if include_names == nil then
include_names = false
end
if include_names then
return concat((function()
local _accum_0 = { }
local _len_0 = 1
local _list_0 = self.value
for _index_0 = 1, #_list_0 do
local a = _list_0[_index_0]
_accum_0[_len_0] = type(a) == "string" and a or "%" .. tostring(a.value)
_len_0 = _len_0 + 1
end
return _accum_0
end)(), " ")
else
return concat((function()
local _accum_0 = { }
local _len_0 = 1
local _list_0 = self.value
for _index_0 = 1, #_list_0 do
local a = _list_0[_index_0]
_accum_0[_len_0] = type(a) == "string" and a or "%"
_len_0 = _len_0 + 1
end
return _accum_0
end)(), " ")
end
end
})
return Types
|
