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https://github.com/leafo/moonscript.git
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move some stuff around
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leaf corcoran
parent
9dbc1d5062
commit
ad7be54ff9
@ -12,63 +12,16 @@ do
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local _obj_0 = require("moonscript.transform.names")
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NameProxy, LocalName = _obj_0.NameProxy, _obj_0.LocalName
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end
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local Run, transform_last_stm
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do
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local _obj_0 = require("moonscript.transform.statements")
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Run, transform_last_stm = _obj_0.Run, _obj_0.transform_last_stm
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end
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local destructure = require("moonscript.transform.destructure")
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local NOOP = {
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"noop"
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}
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local Run, apply_to_last, is_singular, extract_declarations, expand_elseif_assign, constructor_name, with_continue_listener, Transformer, construct_comprehension, Statement, Accumulator, default_accumulator, implicitly_return, Value
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do
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local _base_0 = {
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call = function(self, state)
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return self.fn(state)
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end
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}
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_base_0.__index = _base_0
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local _class_0 = setmetatable({
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__init = function(self, fn)
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self.fn = fn
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self[1] = "run"
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end,
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__base = _base_0,
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__name = "Run"
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}, {
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__index = _base_0,
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__call = function(cls, ...)
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local _self_0 = setmetatable({}, _base_0)
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cls.__init(_self_0, ...)
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return _self_0
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end
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})
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_base_0.__class = _class_0
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Run = _class_0
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end
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apply_to_last = function(stms, fn)
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local last_exp_id = 0
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for i = #stms, 1, -1 do
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local stm = stms[i]
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if stm and mtype(stm) ~= Run then
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last_exp_id = i
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break
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end
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end
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return (function()
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local _accum_0 = { }
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local _len_0 = 1
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for i, stm in ipairs(stms) do
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if i == last_exp_id then
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_accum_0[_len_0] = {
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"transform",
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stm,
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fn
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}
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else
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_accum_0[_len_0] = stm
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end
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_len_0 = _len_0 + 1
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end
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return _accum_0
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end)()
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end
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local is_singular, extract_declarations, expand_elseif_assign, constructor_name, with_continue_listener, Transformer, construct_comprehension, Statement, Accumulator, default_accumulator, implicitly_return, Value
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is_singular = function(body)
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if #body ~= 1 then
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return false
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@ -323,7 +276,7 @@ Statement = Transformer({
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return fn(node)
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end,
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root_stms = function(self, body)
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return apply_to_last(body, implicitly_return(self))
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return transform_last_stm(body, implicitly_return(self))
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end,
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["return"] = function(self, node)
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local ret_val = node[2]
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@ -338,7 +291,7 @@ Statement = Transformer({
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if ret_val_type == "chain" or ret_val_type == "comprehension" or ret_val_type == "tblcomprehension" then
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ret_val = Value:transform_once(self, ret_val)
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if ntype(ret_val) == "block_exp" then
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return build.group(apply_to_last(ret_val[2], function(stm)
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return build.group(transform_last_stm(ret_val[2], function(stm)
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return {
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"return",
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stm
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@ -565,7 +518,7 @@ Statement = Transformer({
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end,
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["do"] = function(self, node, ret)
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if ret then
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node[2] = apply_to_last(node[2], ret)
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node[2] = transform_last_stm(node[2], ret)
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end
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return node
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end,
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@ -676,11 +629,11 @@ Statement = Transformer({
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node = expand_elseif_assign(node)
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if ret then
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smart_node(node)
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node['then'] = apply_to_last(node['then'], ret)
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node['then'] = transform_last_stm(node['then'], ret)
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for i = 4, #node do
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local case = node[i]
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local body_idx = #node[i]
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case[body_idx] = apply_to_last(case[body_idx], ret)
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case[body_idx] = transform_last_stm(case[body_idx], ret)
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end
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end
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return node
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@ -861,7 +814,7 @@ Statement = Transformer({
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body = case_exps
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end
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if ret then
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body = apply_to_last(body, ret)
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body = transform_last_stm(body, ret)
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end
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insert(out, body)
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return out
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@ -1305,7 +1258,7 @@ do
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body = { }
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val = single_stm
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else
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body = apply_to_last(body, function(n)
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body = transform_last_stm(body, function(n)
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if types.is_value(n) then
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return build.assign_one(self.value_name, n)
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else
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@ -1498,7 +1451,7 @@ Value = Transformer({
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end,
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fndef = function(self, node)
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smart_node(node)
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node.body = apply_to_last(node.body, implicitly_return(self))
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node.body = transform_last_stm(node.body, implicitly_return(self))
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node.body = {
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Run(function(self)
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return self:listen("varargs", function() end)
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@ -6,37 +6,15 @@ data = require "moonscript.data"
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import reversed, unpack from util
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import ntype, mtype, build, smart_node, is_slice, value_is_singular from types
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import insert from table
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import NameProxy, LocalName from require "moonscript.transform.names"
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import Run, transform_last_stm from require "moonscript.transform.statements"
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destructure = require "moonscript.transform.destructure"
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NOOP = {"noop"}
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local *
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class Run
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new: (@fn) =>
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self[1] = "run"
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call: (state) =>
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self.fn state
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-- transform the last stm is a list of stms
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-- will puke on group
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apply_to_last = (stms, fn) ->
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-- find last (real) exp
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last_exp_id = 0
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for i = #stms, 1, -1
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stm = stms[i]
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if stm and mtype(stm) != Run
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last_exp_id = i
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break
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return for i, stm in ipairs stms
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if i == last_exp_id
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{"transform", stm, fn}
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else
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stm
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-- is a body a sindle expression/statement
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is_singular = (body) ->
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return false if #body != 1
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@ -82,6 +60,7 @@ constructor_name = "new"
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with_continue_listener = (body) ->
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continue_name = nil
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{
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Run =>
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@listen "continue", ->
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@ -95,7 +74,8 @@ with_continue_listener = (body) ->
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Run =>
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return unless continue_name
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@put_name continue_name, nil
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@splice (lines) -> {
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@splice (lines) ->
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{
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{"assign", {continue_name}, {"false"}}
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{"repeat", "true", {
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lines
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@ -173,7 +153,7 @@ Statement = Transformer {
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fn node
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root_stms: (body) =>
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apply_to_last body, implicitly_return @
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transform_last_stm body, implicitly_return @
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return: (node) =>
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ret_val = node[2]
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@ -190,7 +170,7 @@ Statement = Transformer {
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if ret_val_type == "chain" or ret_val_type == "comprehension" or ret_val_type == "tblcomprehension"
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ret_val = Value\transform_once @, ret_val
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if ntype(ret_val) == "block_exp"
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return build.group apply_to_last ret_val[2], (stm)->
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return build.group transform_last_stm ret_val[2], (stm)->
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{"return", stm}
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node[2] = ret_val
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@ -323,7 +303,7 @@ Statement = Transformer {
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construct_comprehension action(exp), clauses
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do: (node, ret) =>
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node[2] = apply_to_last node[2], ret if ret
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node[2] = transform_last_stm node[2], ret if ret
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node
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decorated: (node) =>
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@ -381,11 +361,11 @@ Statement = Transformer {
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if ret
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smart_node node
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-- mutate all the bodies
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node['then'] = apply_to_last node['then'], ret
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node['then'] = transform_last_stm node['then'], ret
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for i = 4, #node
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case = node[i]
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body_idx = #node[i]
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case[body_idx] = apply_to_last case[body_idx], ret
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case[body_idx] = transform_last_stm case[body_idx], ret
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node
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@ -519,7 +499,7 @@ Statement = Transformer {
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body = case_exps
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if ret
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body = apply_to_last body, ret
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body = transform_last_stm body, ret
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insert out, body
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@ -786,7 +766,7 @@ class Accumulator
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body = {}
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single_stm
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else
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body = apply_to_last body, (n) ->
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body = transform_last_stm body, (n) ->
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if types.is_value n
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build.assign_one @value_name, n
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else
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@ -905,7 +885,7 @@ Value = Transformer {
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fndef: (node) =>
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smart_node node
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node.body = apply_to_last node.body, implicitly_return self
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node.body = transform_last_stm node.body, implicitly_return self
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node.body = {
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Run => @listen "varargs", -> -- capture event
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unpack node.body
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