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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, fields, methods)
methods = methods or { }
local is_multi = true
for _index_0 = 1, #fields do
local f = fields[_index_0]
is_multi = is_multi and (f ~= "value")
end
do
methods.type = name
methods.name = name
methods.__new = methods.__new or function(self, source, ...)
assert(source)
if type(source) == 'string' then
source = Source:from_string(source)
end
return 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
for _index_0 = 1, #self do
local v = self[_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
for _index_0 = 1, #self do
local v = self[_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)(self.source, unpack(new_vals))
return ret
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(fields, methods)
end
Tree("Block", {
"source"
})
Tree("EscapedNomsu", {
"source"
})
Tree("Text", {
"source"
})
Tree("List", {
"source"
})
Tree("Dict", {
"source"
})
Tree("DictEntry", {
"source"
})
Tree("IndexChain", {
"source"
})
Tree("Number", {
"source",
"value"
})
Tree("Var", {
"source",
"value"
})
Tree("Action", {
"source",
"stub"
}, {
__new = function(self, source, ...)
assert(source)
if type(source) == 'string' then
source = Source:from_string(source)
end
local stub_bits = { }
for i = 1, select("#", ...) do
local a = select(i, ...)
stub_bits[i] = type(a) == 'string' and a or "%"
end
local stub = concat(stub_bits, " ")
return source, stub, ...
end,
get_spec = function(self)
return concat((function()
local _accum_0 = { }
local _len_0 = 1
for _index_0 = 1, #self do
local a = self[_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)(), " ")
end
})
return Types
|
