forked from mia/Aegisub
6266 lines
165 KiB
Lua
6266 lines
165 KiB
Lua
package.preload['moonscript.transform.comprehension'] = function()
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local is_value
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is_value = require("moonscript.types").is_value
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local construct_comprehension
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construct_comprehension = function(inner, clauses)
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local current_stms = inner
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for i = #clauses, 1, -1 do
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local clause = clauses[i]
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local t = clause[1]
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local _exp_0 = t
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if "for" == _exp_0 then
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local _, name, bounds
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_, name, bounds = clause[1], clause[2], clause[3]
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current_stms = {
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"for",
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name,
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bounds,
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current_stms
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}
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elseif "foreach" == _exp_0 then
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local _, names, iter
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_, names, iter = clause[1], clause[2], clause[3]
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current_stms = {
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"foreach",
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names,
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{
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iter
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},
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current_stms
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}
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elseif "when" == _exp_0 then
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local _, cond
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_, cond = clause[1], clause[2]
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current_stms = {
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"if",
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cond,
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current_stms
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}
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else
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current_stms = error("Unknown comprehension clause: " .. t)
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end
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current_stms = {
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current_stms
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}
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end
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return current_stms[1]
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end
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local comprehension_has_value
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comprehension_has_value = function(comp)
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return is_value(comp[2])
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end
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return {
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construct_comprehension = construct_comprehension,
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comprehension_has_value = comprehension_has_value
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}
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end
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package.preload['moonscript.transform.value'] = function()
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local Transformer
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Transformer = require("moonscript.transform.transformer").Transformer
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local build, ntype, smart_node
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do
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local _obj_0 = require("moonscript.types")
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build, ntype, smart_node = _obj_0.build, _obj_0.ntype, _obj_0.smart_node
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end
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local NameProxy
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NameProxy = require("moonscript.transform.names").NameProxy
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local Accumulator, default_accumulator
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do
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local _obj_0 = require("moonscript.transform.accumulator")
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Accumulator, default_accumulator = _obj_0.Accumulator, _obj_0.default_accumulator
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end
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local lua_keywords
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lua_keywords = require("moonscript.data").lua_keywords
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local Run, transform_last_stm, implicitly_return, chain_is_stub
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do
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local _obj_0 = require("moonscript.transform.statements")
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Run, transform_last_stm, implicitly_return, chain_is_stub = _obj_0.Run, _obj_0.transform_last_stm, _obj_0.implicitly_return, _obj_0.chain_is_stub
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end
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local construct_comprehension
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construct_comprehension = require("moonscript.transform.comprehension").construct_comprehension
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local insert
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insert = table.insert
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local unpack
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unpack = require("moonscript.util").unpack
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return Transformer({
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["for"] = default_accumulator,
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["while"] = default_accumulator,
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foreach = default_accumulator,
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["do"] = function(self, node)
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return build.block_exp(node[2])
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end,
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decorated = function(self, node)
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return self.transform.statement(node)
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end,
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class = function(self, node)
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return build.block_exp({
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node
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})
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end,
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string = function(self, node)
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local delim = node[2]
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local convert_part
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convert_part = function(part)
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if type(part) == "string" or part == nil then
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return {
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"string",
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delim,
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part or ""
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}
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else
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return build.chain({
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base = "tostring",
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{
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"call",
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{
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part[2]
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}
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}
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})
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end
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end
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if #node <= 3 then
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if type(node[3]) == "string" then
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return node
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else
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return convert_part(node[3])
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end
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end
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local e = {
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"exp",
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convert_part(node[3])
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}
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for i = 4, #node do
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insert(e, "..")
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insert(e, convert_part(node[i]))
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end
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return e
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end,
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comprehension = function(self, node)
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local a = Accumulator()
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node = self.transform.statement(node, function(exp)
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return a:mutate_body({
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exp
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})
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end)
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return a:wrap(node)
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end,
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tblcomprehension = function(self, node)
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local explist, clauses = unpack(node, 2)
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local key_exp, value_exp = unpack(explist)
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local accum = NameProxy("tbl")
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local inner
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if value_exp then
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local dest = build.chain({
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base = accum,
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{
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"index",
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key_exp
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}
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})
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inner = {
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build.assign_one(dest, value_exp)
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}
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else
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local key_name, val_name = NameProxy("key"), NameProxy("val")
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local dest = build.chain({
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base = accum,
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{
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"index",
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key_name
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}
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})
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inner = {
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build.assign({
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names = {
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key_name,
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val_name
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},
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values = {
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key_exp
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}
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}),
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build.assign_one(dest, val_name)
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}
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end
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return build.block_exp({
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build.assign_one(accum, build.table()),
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construct_comprehension(inner, clauses),
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accum
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})
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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 = 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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end),
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unpack(node.body)
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}
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return node
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end,
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["if"] = function(self, node)
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return build.block_exp({
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node
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})
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end,
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unless = function(self, node)
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return build.block_exp({
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node
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})
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end,
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with = function(self, node)
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return build.block_exp({
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node
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})
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end,
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switch = function(self, node)
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return build.block_exp({
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node
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})
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end,
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chain = function(self, node)
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for i = 2, #node do
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local part = node[i]
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if ntype(part) == "dot" and lua_keywords[part[2]] then
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node[i] = {
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"index",
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{
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"string",
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'"',
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part[2]
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}
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}
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end
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end
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if ntype(node[2]) == "string" then
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node[2] = {
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"parens",
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node[2]
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}
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end
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if chain_is_stub(node) then
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local base_name = NameProxy("base")
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local fn_name = NameProxy("fn")
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local colon = table.remove(node)
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local is_super = ntype(node[2]) == "ref" and node[2][2] == "super"
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return build.block_exp({
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build.assign({
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names = {
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base_name
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},
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values = {
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node
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}
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}),
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build.assign({
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names = {
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fn_name
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},
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values = {
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build.chain({
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base = base_name,
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{
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"dot",
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colon[2]
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}
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})
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}
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}),
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build.fndef({
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args = {
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{
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"..."
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}
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},
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body = {
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build.chain({
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base = fn_name,
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{
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"call",
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{
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is_super and "self" or base_name,
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"..."
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}
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}
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})
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}
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})
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})
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end
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end,
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block_exp = function(self, node)
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local body = unpack(node, 2)
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local fn = nil
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local arg_list = { }
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fn = smart_node(build.fndef({
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body = {
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Run(function(self)
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return self:listen("varargs", function()
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insert(arg_list, "...")
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insert(fn.args, {
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"..."
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})
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return self:unlisten("varargs")
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end)
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end),
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unpack(body)
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}
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}))
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return build.chain({
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base = {
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"parens",
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fn
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},
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{
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"call",
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arg_list
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}
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})
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end
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})
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end
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package.preload['moonscript.transform.class'] = function()
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local NameProxy, LocalName
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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
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Run = require("moonscript.transform.statements").Run
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local CONSTRUCTOR_NAME = "new"
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local insert
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insert = table.insert
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local build, ntype, NOOP
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do
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local _obj_0 = require("moonscript.types")
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build, ntype, NOOP = _obj_0.build, _obj_0.ntype, _obj_0.NOOP
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end
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local unpack
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unpack = require("moonscript.util").unpack
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local transform_super
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transform_super = function(cls_name, on_base, block, chain)
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if on_base == nil then
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on_base = true
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end
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local relative_parent = {
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"chain",
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cls_name,
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{
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"dot",
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"__parent"
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}
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}
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if not (chain) then
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return relative_parent
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end
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local chain_tail = {
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unpack(chain, 3)
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}
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local head = chain_tail[1]
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if head == nil then
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return relative_parent
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end
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local new_chain = relative_parent
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local _exp_0 = head[1]
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if "call" == _exp_0 then
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if on_base then
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insert(new_chain, {
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"dot",
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"__base"
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})
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end
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local calling_name = block:get("current_method")
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assert(calling_name, "missing calling name")
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chain_tail[1] = {
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"call",
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{
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"self",
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unpack(head[2])
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}
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}
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if ntype(calling_name) == "key_literal" then
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insert(new_chain, {
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"dot",
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calling_name[2]
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})
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else
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insert(new_chain, {
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"index",
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calling_name
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})
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end
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elseif "colon" == _exp_0 then
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local call = chain_tail[2]
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if call and call[1] == "call" then
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chain_tail[1] = {
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"dot",
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head[2]
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}
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chain_tail[2] = {
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"call",
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{
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"self",
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unpack(call[2])
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}
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}
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end
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end
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for _index_0 = 1, #chain_tail do
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local item = chain_tail[_index_0]
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insert(new_chain, item)
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end
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return new_chain
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end
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local super_scope
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super_scope = function(value, t, key)
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local prev_method
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return {
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"scoped",
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Run(function(self)
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prev_method = self:get("current_method")
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self:set("current_method", key)
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return self:set("super", t)
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end),
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value,
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Run(function(self)
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return self:set("current_method", prev_method)
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end)
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}
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end
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return function(self, node, ret, parent_assign)
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local name, parent_val, body = unpack(node, 2)
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if parent_val == "" then
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parent_val = nil
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end
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local parent_cls_name = NameProxy("parent")
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local base_name = NameProxy("base")
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local self_name = NameProxy("self")
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local cls_name = NameProxy("class")
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local cls_instance_super
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cls_instance_super = function(...)
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return transform_super(cls_name, true, ...)
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end
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local cls_super
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cls_super = function(...)
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return transform_super(cls_name, false, ...)
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end
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local statements = { }
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local properties = { }
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for _index_0 = 1, #body do
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local item = body[_index_0]
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local _exp_0 = item[1]
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if "stm" == _exp_0 then
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insert(statements, item[2])
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elseif "props" == _exp_0 then
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for _index_1 = 2, #item do
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local tuple = item[_index_1]
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if ntype(tuple[1]) == "self" then
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local k, v
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k, v = tuple[1], tuple[2]
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v = super_scope(v, cls_super, {
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"key_literal",
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k[2]
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})
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insert(statements, build.assign_one(k, v))
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else
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insert(properties, tuple)
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end
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end
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end
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end
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local constructor
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do
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local _accum_0 = { }
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local _len_0 = 1
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for _index_0 = 1, #properties do
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local _continue_0 = false
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repeat
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local tuple = properties[_index_0]
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local key = tuple[1]
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local _value_0
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if key[1] == "key_literal" and key[2] == CONSTRUCTOR_NAME then
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constructor = tuple[2]
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_continue_0 = true
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break
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else
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local val
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key, val = tuple[1], tuple[2]
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_value_0 = {
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key,
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super_scope(val, cls_instance_super, key)
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}
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end
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_accum_0[_len_0] = _value_0
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_len_0 = _len_0 + 1
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_continue_0 = true
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until true
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if not _continue_0 then
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break
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end
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end
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properties = _accum_0
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end
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if not (constructor) then
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if parent_val then
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constructor = build.fndef({
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args = {
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{
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"..."
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}
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},
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arrow = "fat",
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|
body = {
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build.chain({
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base = "super",
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{
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"call",
|
|
{
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"..."
|
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}
|
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}
|
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})
|
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}
|
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})
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else
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constructor = build.fndef()
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end
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end
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local real_name = name or parent_assign and parent_assign[2][1]
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local _exp_0 = ntype(real_name)
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if "chain" == _exp_0 then
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local last = real_name[#real_name]
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local _exp_1 = ntype(last)
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if "dot" == _exp_1 then
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real_name = {
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"string",
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'"',
|
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last[2]
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}
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elseif "index" == _exp_1 then
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real_name = last[2]
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else
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real_name = "nil"
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end
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elseif "nil" == _exp_0 then
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real_name = "nil"
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else
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|
local name_t = type(real_name)
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|
local flattened_name
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|
if name_t == "string" then
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flattened_name = real_name
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|
elseif name_t == "table" and real_name[1] == "ref" then
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flattened_name = real_name[2]
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|
else
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flattened_name = error("don't know how to extract name from " .. tostring(name_t))
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end
|
|
real_name = {
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"string",
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|
'"',
|
|
flattened_name
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}
|
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end
|
|
local cls = build.table({
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|
{
|
|
"__init",
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|
super_scope(constructor, cls_super, {
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"key_literal",
|
|
"__init"
|
|
})
|
|
},
|
|
{
|
|
"__base",
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|
base_name
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|
},
|
|
{
|
|
"__name",
|
|
real_name
|
|
},
|
|
parent_val and {
|
|
"__parent",
|
|
parent_cls_name
|
|
} or nil
|
|
})
|
|
local class_index
|
|
if parent_val then
|
|
local class_lookup = build["if"]({
|
|
cond = {
|
|
"exp",
|
|
{
|
|
"ref",
|
|
"val"
|
|
},
|
|
"==",
|
|
"nil"
|
|
},
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|
["then"] = {
|
|
build.assign_one(LocalName("parent"), build.chain({
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|
base = "rawget",
|
|
{
|
|
"call",
|
|
{
|
|
{
|
|
"ref",
|
|
"cls"
|
|
},
|
|
{
|
|
"string",
|
|
'"',
|
|
"__parent"
|
|
}
|
|
}
|
|
}
|
|
})),
|
|
build["if"]({
|
|
cond = LocalName("parent"),
|
|
["then"] = {
|
|
build.chain({
|
|
base = LocalName("parent"),
|
|
{
|
|
"index",
|
|
"name"
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
})
|
|
insert(class_lookup, {
|
|
"else",
|
|
{
|
|
"val"
|
|
}
|
|
})
|
|
class_index = build.fndef({
|
|
args = {
|
|
{
|
|
"cls"
|
|
},
|
|
{
|
|
"name"
|
|
}
|
|
},
|
|
body = {
|
|
build.assign_one(LocalName("val"), build.chain({
|
|
base = "rawget",
|
|
{
|
|
"call",
|
|
{
|
|
base_name,
|
|
{
|
|
"ref",
|
|
"name"
|
|
}
|
|
}
|
|
}
|
|
})),
|
|
class_lookup
|
|
}
|
|
})
|
|
else
|
|
class_index = base_name
|
|
end
|
|
local cls_mt = build.table({
|
|
{
|
|
"__index",
|
|
class_index
|
|
},
|
|
{
|
|
"__call",
|
|
build.fndef({
|
|
args = {
|
|
{
|
|
"cls"
|
|
},
|
|
{
|
|
"..."
|
|
}
|
|
},
|
|
body = {
|
|
build.assign_one(self_name, build.chain({
|
|
base = "setmetatable",
|
|
{
|
|
"call",
|
|
{
|
|
"{}",
|
|
base_name
|
|
}
|
|
}
|
|
})),
|
|
build.chain({
|
|
base = "cls.__init",
|
|
{
|
|
"call",
|
|
{
|
|
self_name,
|
|
"..."
|
|
}
|
|
}
|
|
}),
|
|
self_name
|
|
}
|
|
})
|
|
}
|
|
})
|
|
cls = build.chain({
|
|
base = "setmetatable",
|
|
{
|
|
"call",
|
|
{
|
|
cls,
|
|
cls_mt
|
|
}
|
|
}
|
|
})
|
|
local value = nil
|
|
do
|
|
local out_body = {
|
|
Run(function(self)
|
|
if name then
|
|
return self:put_name(name)
|
|
end
|
|
end),
|
|
{
|
|
"declare",
|
|
{
|
|
cls_name
|
|
}
|
|
},
|
|
{
|
|
"declare_glob",
|
|
"*"
|
|
},
|
|
parent_val and build.assign_one(parent_cls_name, parent_val) or NOOP,
|
|
build.assign_one(base_name, {
|
|
"table",
|
|
properties
|
|
}),
|
|
build.assign_one(base_name:chain("__index"), base_name),
|
|
parent_val and build.chain({
|
|
base = "setmetatable",
|
|
{
|
|
"call",
|
|
{
|
|
base_name,
|
|
build.chain({
|
|
base = parent_cls_name,
|
|
{
|
|
"dot",
|
|
"__base"
|
|
}
|
|
})
|
|
}
|
|
}
|
|
}) or NOOP,
|
|
build.assign_one(cls_name, cls),
|
|
build.assign_one(base_name:chain("__class"), cls_name),
|
|
build.group((function()
|
|
if #statements > 0 then
|
|
return {
|
|
build.assign_one(LocalName("self"), cls_name),
|
|
build.group(statements)
|
|
}
|
|
end
|
|
end)()),
|
|
parent_val and build["if"]({
|
|
cond = {
|
|
"exp",
|
|
parent_cls_name:chain("__inherited")
|
|
},
|
|
["then"] = {
|
|
parent_cls_name:chain("__inherited", {
|
|
"call",
|
|
{
|
|
parent_cls_name,
|
|
cls_name
|
|
}
|
|
})
|
|
}
|
|
}) or NOOP,
|
|
build.group((function()
|
|
if name then
|
|
return {
|
|
build.assign_one(name, cls_name)
|
|
}
|
|
end
|
|
end)()),
|
|
(function()
|
|
if ret then
|
|
return ret(cls_name)
|
|
end
|
|
end)()
|
|
}
|
|
value = build.group({
|
|
build.group((function()
|
|
if ntype(name) == "value" then
|
|
return {
|
|
build.declare({
|
|
names = {
|
|
name
|
|
}
|
|
})
|
|
}
|
|
end
|
|
end)()),
|
|
build["do"](out_body)
|
|
})
|
|
end
|
|
return value
|
|
end
|
|
|
|
end
|
|
package.preload['moonscript.transform.statements'] = function()
|
|
local types = require("moonscript.types")
|
|
local ntype, mtype, is_value, NOOP
|
|
ntype, mtype, is_value, NOOP = types.ntype, types.mtype, types.is_value, types.NOOP
|
|
local comprehension_has_value
|
|
comprehension_has_value = require("moonscript.transform.comprehension").comprehension_has_value
|
|
local Run
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
call = function(self, state)
|
|
return self.fn(state)
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, fn)
|
|
self.fn = fn
|
|
self[1] = "run"
|
|
end,
|
|
__base = _base_0,
|
|
__name = "Run"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Run = _class_0
|
|
end
|
|
local last_stm
|
|
last_stm = function(stms)
|
|
local last_exp_id = 0
|
|
for i = #stms, 1, -1 do
|
|
local stm = stms[i]
|
|
if stm and mtype(stm) ~= Run then
|
|
if ntype(stm) == "group" then
|
|
return last_stm(stm[2])
|
|
end
|
|
last_exp_id = i
|
|
break
|
|
end
|
|
end
|
|
return stms[last_exp_id], last_exp_id, stms
|
|
end
|
|
local transform_last_stm
|
|
transform_last_stm = function(stms, fn)
|
|
local _, last_idx, _stms = last_stm(stms)
|
|
if _stms ~= stms then
|
|
error("cannot transform last node in group")
|
|
end
|
|
return (function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for i, stm in ipairs(stms) do
|
|
if i == last_idx then
|
|
_accum_0[_len_0] = {
|
|
"transform",
|
|
stm,
|
|
fn
|
|
}
|
|
else
|
|
_accum_0[_len_0] = stm
|
|
end
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)()
|
|
end
|
|
local chain_is_stub
|
|
chain_is_stub = function(chain)
|
|
local stub = chain[#chain]
|
|
return stub and ntype(stub) == "colon"
|
|
end
|
|
local implicitly_return
|
|
implicitly_return = function(scope)
|
|
local is_top = true
|
|
local fn
|
|
fn = function(stm)
|
|
local t = ntype(stm)
|
|
if t == "decorated" then
|
|
stm = scope.transform.statement(stm)
|
|
t = ntype(stm)
|
|
end
|
|
if types.cascading[t] then
|
|
is_top = false
|
|
return scope.transform.statement(stm, fn)
|
|
elseif types.manual_return[t] or not is_value(stm) then
|
|
if is_top and t == "return" and stm[2] == "" then
|
|
return NOOP
|
|
else
|
|
return stm
|
|
end
|
|
else
|
|
if t == "comprehension" and not comprehension_has_value(stm) then
|
|
return stm
|
|
else
|
|
return {
|
|
"return",
|
|
stm
|
|
}
|
|
end
|
|
end
|
|
end
|
|
return fn
|
|
end
|
|
return {
|
|
Run = Run,
|
|
last_stm = last_stm,
|
|
transform_last_stm = transform_last_stm,
|
|
chain_is_stub = chain_is_stub,
|
|
implicitly_return = implicitly_return
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.transform.destructure'] = function()
|
|
local ntype, mtype, build
|
|
do
|
|
local _obj_0 = require("moonscript.types")
|
|
ntype, mtype, build = _obj_0.ntype, _obj_0.mtype, _obj_0.build
|
|
end
|
|
local NameProxy
|
|
NameProxy = require("moonscript.transform.names").NameProxy
|
|
local insert
|
|
insert = table.insert
|
|
local unpack
|
|
unpack = require("moonscript.util").unpack
|
|
local user_error
|
|
user_error = require("moonscript.errors").user_error
|
|
local join
|
|
join = function(...)
|
|
do
|
|
local out = { }
|
|
local i = 1
|
|
local _list_0 = {
|
|
...
|
|
}
|
|
for _index_0 = 1, #_list_0 do
|
|
local tbl = _list_0[_index_0]
|
|
for _index_1 = 1, #tbl do
|
|
local v = tbl[_index_1]
|
|
out[i] = v
|
|
i = i + 1
|
|
end
|
|
end
|
|
return out
|
|
end
|
|
end
|
|
local has_destructure
|
|
has_destructure = function(names)
|
|
for _index_0 = 1, #names do
|
|
local n = names[_index_0]
|
|
if ntype(n) == "table" then
|
|
return true
|
|
end
|
|
end
|
|
return false
|
|
end
|
|
local extract_assign_names
|
|
extract_assign_names = function(name, accum, prefix)
|
|
if accum == nil then
|
|
accum = { }
|
|
end
|
|
if prefix == nil then
|
|
prefix = { }
|
|
end
|
|
local i = 1
|
|
local _list_0 = name[2]
|
|
for _index_0 = 1, #_list_0 do
|
|
local tuple = _list_0[_index_0]
|
|
local value, suffix
|
|
if #tuple == 1 then
|
|
local s = {
|
|
"index",
|
|
{
|
|
"number",
|
|
i
|
|
}
|
|
}
|
|
i = i + 1
|
|
value, suffix = tuple[1], s
|
|
else
|
|
local key = tuple[1]
|
|
local s
|
|
if ntype(key) == "key_literal" then
|
|
local key_name = key[2]
|
|
if ntype(key_name) == "colon" then
|
|
s = key_name
|
|
else
|
|
s = {
|
|
"dot",
|
|
key_name
|
|
}
|
|
end
|
|
else
|
|
s = {
|
|
"index",
|
|
key
|
|
}
|
|
end
|
|
value, suffix = tuple[2], s
|
|
end
|
|
suffix = join(prefix, {
|
|
suffix
|
|
})
|
|
local _exp_0 = ntype(value)
|
|
if "value" == _exp_0 or "ref" == _exp_0 or "chain" == _exp_0 or "self" == _exp_0 then
|
|
insert(accum, {
|
|
value,
|
|
suffix
|
|
})
|
|
elseif "table" == _exp_0 then
|
|
extract_assign_names(value, accum, suffix)
|
|
else
|
|
user_error("Can't destructure value of type: " .. tostring(ntype(value)))
|
|
end
|
|
end
|
|
return accum
|
|
end
|
|
local build_assign
|
|
build_assign = function(scope, destruct_literal, receiver)
|
|
local extracted_names = extract_assign_names(destruct_literal)
|
|
local names = { }
|
|
local values = { }
|
|
local inner = {
|
|
"assign",
|
|
names,
|
|
values
|
|
}
|
|
local obj
|
|
if scope:is_local(receiver) or #extracted_names == 1 then
|
|
obj = receiver
|
|
else
|
|
do
|
|
obj = NameProxy("obj")
|
|
inner = build["do"]({
|
|
build.assign_one(obj, receiver),
|
|
{
|
|
"assign",
|
|
names,
|
|
values
|
|
}
|
|
})
|
|
obj = obj
|
|
end
|
|
end
|
|
for _index_0 = 1, #extracted_names do
|
|
local tuple = extracted_names[_index_0]
|
|
insert(names, tuple[1])
|
|
local chain
|
|
if obj then
|
|
chain = NameProxy.chain(obj, unpack(tuple[2]))
|
|
else
|
|
chain = "nil"
|
|
end
|
|
insert(values, chain)
|
|
end
|
|
return build.group({
|
|
{
|
|
"declare",
|
|
names
|
|
},
|
|
inner
|
|
})
|
|
end
|
|
local split_assign
|
|
split_assign = function(scope, assign)
|
|
local names, values = unpack(assign, 2)
|
|
local g = { }
|
|
local total_names = #names
|
|
local total_values = #values
|
|
local start = 1
|
|
for i, n in ipairs(names) do
|
|
if ntype(n) == "table" then
|
|
if i > start then
|
|
local stop = i - 1
|
|
insert(g, {
|
|
"assign",
|
|
(function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for i = start, stop do
|
|
_accum_0[_len_0] = names[i]
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(),
|
|
(function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for i = start, stop do
|
|
_accum_0[_len_0] = values[i]
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)()
|
|
})
|
|
end
|
|
insert(g, build_assign(scope, n, values[i]))
|
|
start = i + 1
|
|
end
|
|
end
|
|
if total_names >= start or total_values >= start then
|
|
local name_slice
|
|
if total_names < start then
|
|
name_slice = {
|
|
"_"
|
|
}
|
|
else
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for i = start, total_names do
|
|
_accum_0[_len_0] = names[i]
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
name_slice = _accum_0
|
|
end
|
|
end
|
|
local value_slice
|
|
if total_values < start then
|
|
value_slice = {
|
|
"nil"
|
|
}
|
|
else
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for i = start, total_values do
|
|
_accum_0[_len_0] = values[i]
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
value_slice = _accum_0
|
|
end
|
|
end
|
|
insert(g, {
|
|
"assign",
|
|
name_slice,
|
|
value_slice
|
|
})
|
|
end
|
|
return build.group(g)
|
|
end
|
|
return {
|
|
has_destructure = has_destructure,
|
|
split_assign = split_assign,
|
|
build_assign = build_assign,
|
|
extract_assign_names = extract_assign_names
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.transform.names'] = function()
|
|
local build
|
|
build = require("moonscript.types").build
|
|
local unpack
|
|
unpack = require("moonscript.util").unpack
|
|
local LocalName
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
get_name = function(self)
|
|
return self.name
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, name)
|
|
self.name = name
|
|
self[1] = "temp_name"
|
|
end,
|
|
__base = _base_0,
|
|
__name = "LocalName"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
LocalName = _class_0
|
|
end
|
|
local NameProxy
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
get_name = function(self, scope, dont_put)
|
|
if dont_put == nil then
|
|
dont_put = true
|
|
end
|
|
if not self.name then
|
|
self.name = scope:free_name(self.prefix, dont_put)
|
|
end
|
|
return self.name
|
|
end,
|
|
chain = function(self, ...)
|
|
local items = {
|
|
base = self,
|
|
...
|
|
}
|
|
for k, v in ipairs(items) do
|
|
if type(v) == "string" then
|
|
items[k] = {
|
|
"dot",
|
|
v
|
|
}
|
|
else
|
|
items[k] = v
|
|
end
|
|
end
|
|
return build.chain(items)
|
|
end,
|
|
index = function(self, key)
|
|
if type(key) == "string" then
|
|
key = {
|
|
"ref",
|
|
key
|
|
}
|
|
end
|
|
return build.chain({
|
|
base = self,
|
|
{
|
|
"index",
|
|
key
|
|
}
|
|
})
|
|
end,
|
|
__tostring = function(self)
|
|
if self.name then
|
|
return ("name<%s>"):format(self.name)
|
|
else
|
|
return ("name<prefix(%s)>"):format(self.prefix)
|
|
end
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, prefix)
|
|
self.prefix = prefix
|
|
self[1] = "temp_name"
|
|
end,
|
|
__base = _base_0,
|
|
__name = "NameProxy"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
NameProxy = _class_0
|
|
end
|
|
local is_name_proxy
|
|
is_name_proxy = function(v)
|
|
if not (type(v) == "table") then
|
|
return false
|
|
end
|
|
local _exp_0 = v.__class
|
|
if LocalName == _exp_0 or NameProxy == _exp_0 then
|
|
return true
|
|
end
|
|
end
|
|
return {
|
|
NameProxy = NameProxy,
|
|
LocalName = LocalName,
|
|
is_name_proxy = is_name_proxy
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.transform.statement'] = function()
|
|
local Transformer
|
|
Transformer = require("moonscript.transform.transformer").Transformer
|
|
local NameProxy, LocalName, is_name_proxy
|
|
do
|
|
local _obj_0 = require("moonscript.transform.names")
|
|
NameProxy, LocalName, is_name_proxy = _obj_0.NameProxy, _obj_0.LocalName, _obj_0.is_name_proxy
|
|
end
|
|
local Run, transform_last_stm, implicitly_return, last_stm
|
|
do
|
|
local _obj_0 = require("moonscript.transform.statements")
|
|
Run, transform_last_stm, implicitly_return, last_stm = _obj_0.Run, _obj_0.transform_last_stm, _obj_0.implicitly_return, _obj_0.last_stm
|
|
end
|
|
local types = require("moonscript.types")
|
|
local build, ntype, is_value, smart_node, value_is_singular, is_slice, NOOP
|
|
build, ntype, is_value, smart_node, value_is_singular, is_slice, NOOP = types.build, types.ntype, types.is_value, types.smart_node, types.value_is_singular, types.is_slice, types.NOOP
|
|
local insert
|
|
insert = table.insert
|
|
local destructure = require("moonscript.transform.destructure")
|
|
local construct_comprehension
|
|
construct_comprehension = require("moonscript.transform.comprehension").construct_comprehension
|
|
local unpack
|
|
unpack = require("moonscript.util").unpack
|
|
local with_continue_listener
|
|
with_continue_listener = function(body)
|
|
local continue_name = nil
|
|
return {
|
|
Run(function(self)
|
|
return self:listen("continue", function()
|
|
if not (continue_name) then
|
|
continue_name = NameProxy("continue")
|
|
self:put_name(continue_name)
|
|
end
|
|
return continue_name
|
|
end)
|
|
end),
|
|
build.group(body),
|
|
Run(function(self)
|
|
if not (continue_name) then
|
|
return
|
|
end
|
|
local last = last_stm(body)
|
|
local enclose_lines = types.terminating[last and ntype(last)]
|
|
self:put_name(continue_name, nil)
|
|
return self:splice(function(lines)
|
|
if enclose_lines then
|
|
lines = {
|
|
"do",
|
|
{
|
|
lines
|
|
}
|
|
}
|
|
end
|
|
return {
|
|
{
|
|
"assign",
|
|
{
|
|
continue_name
|
|
},
|
|
{
|
|
"false"
|
|
}
|
|
},
|
|
{
|
|
"repeat",
|
|
"true",
|
|
{
|
|
lines,
|
|
{
|
|
"assign",
|
|
{
|
|
continue_name
|
|
},
|
|
{
|
|
"true"
|
|
}
|
|
}
|
|
}
|
|
},
|
|
{
|
|
"if",
|
|
{
|
|
"not",
|
|
continue_name
|
|
},
|
|
{
|
|
{
|
|
"break"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
end)
|
|
end)
|
|
}
|
|
end
|
|
local extract_declarations
|
|
extract_declarations = function(self, body, start, out)
|
|
if body == nil then
|
|
body = self.current_stms
|
|
end
|
|
if start == nil then
|
|
start = self.current_stm_i + 1
|
|
end
|
|
if out == nil then
|
|
out = { }
|
|
end
|
|
for i = start, #body do
|
|
local _continue_0 = false
|
|
repeat
|
|
local stm = body[i]
|
|
if stm == nil then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
stm = self.transform.statement(stm)
|
|
body[i] = stm
|
|
local _exp_0 = stm[1]
|
|
if "assign" == _exp_0 or "declare" == _exp_0 then
|
|
local _list_0 = stm[2]
|
|
for _index_0 = 1, #_list_0 do
|
|
local name = _list_0[_index_0]
|
|
if ntype(name) == "ref" then
|
|
insert(out, name)
|
|
elseif type(name) == "string" then
|
|
insert(out, name)
|
|
end
|
|
end
|
|
elseif "group" == _exp_0 then
|
|
extract_declarations(self, stm[2], 1, out)
|
|
end
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
return out
|
|
end
|
|
local expand_elseif_assign
|
|
expand_elseif_assign = function(ifstm)
|
|
for i = 4, #ifstm do
|
|
local case = ifstm[i]
|
|
if ntype(case) == "elseif" and ntype(case[2]) == "assign" then
|
|
local split = {
|
|
unpack(ifstm, 1, i - 1)
|
|
}
|
|
insert(split, {
|
|
"else",
|
|
{
|
|
{
|
|
"if",
|
|
case[2],
|
|
case[3],
|
|
unpack(ifstm, i + 1)
|
|
}
|
|
}
|
|
})
|
|
return split
|
|
end
|
|
end
|
|
return ifstm
|
|
end
|
|
return Transformer({
|
|
transform = function(self, tuple)
|
|
local _, node, fn
|
|
_, node, fn = tuple[1], tuple[2], tuple[3]
|
|
return fn(node)
|
|
end,
|
|
root_stms = function(self, body)
|
|
return transform_last_stm(body, implicitly_return(self))
|
|
end,
|
|
["return"] = function(self, node)
|
|
local ret_val = node[2]
|
|
local ret_val_type = ntype(ret_val)
|
|
if ret_val_type == "explist" and #ret_val == 2 then
|
|
ret_val = ret_val[2]
|
|
ret_val_type = ntype(ret_val)
|
|
end
|
|
if types.cascading[ret_val_type] then
|
|
return implicitly_return(self)(ret_val)
|
|
end
|
|
if ret_val_type == "chain" or ret_val_type == "comprehension" or ret_val_type == "tblcomprehension" then
|
|
local Value = require("moonscript.transform.value")
|
|
ret_val = Value:transform_once(self, ret_val)
|
|
if ntype(ret_val) == "block_exp" then
|
|
return build.group(transform_last_stm(ret_val[2], function(stm)
|
|
return {
|
|
"return",
|
|
stm
|
|
}
|
|
end))
|
|
end
|
|
end
|
|
node[2] = ret_val
|
|
return node
|
|
end,
|
|
declare_glob = function(self, node)
|
|
local names = extract_declarations(self)
|
|
if node[2] == "^" then
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #names do
|
|
local _continue_0 = false
|
|
repeat
|
|
local name = names[_index_0]
|
|
local str_name
|
|
if ntype(name) == "ref" then
|
|
str_name = name[2]
|
|
else
|
|
str_name = name
|
|
end
|
|
if not (str_name:match("^%u")) then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
local _value_0 = name
|
|
_accum_0[_len_0] = _value_0
|
|
_len_0 = _len_0 + 1
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
names = _accum_0
|
|
end
|
|
end
|
|
return {
|
|
"declare",
|
|
names
|
|
}
|
|
end,
|
|
assign = function(self, node)
|
|
local names, values = unpack(node, 2)
|
|
local num_values = #values
|
|
local num_names = #values
|
|
if num_names == 1 and num_values == 1 then
|
|
local first_value = values[1]
|
|
local first_name = names[1]
|
|
local first_type = ntype(first_value)
|
|
if first_type == "chain" then
|
|
local Value = require("moonscript.transform.value")
|
|
first_value = Value:transform_once(self, first_value)
|
|
first_type = ntype(first_value)
|
|
end
|
|
local _exp_0 = ntype(first_value)
|
|
if "block_exp" == _exp_0 then
|
|
local block_body = first_value[2]
|
|
local idx = #block_body
|
|
block_body[idx] = build.assign_one(first_name, block_body[idx])
|
|
return build.group({
|
|
{
|
|
"declare",
|
|
{
|
|
first_name
|
|
}
|
|
},
|
|
{
|
|
"do",
|
|
block_body
|
|
}
|
|
})
|
|
elseif "comprehension" == _exp_0 or "tblcomprehension" == _exp_0 or "foreach" == _exp_0 or "for" == _exp_0 or "while" == _exp_0 then
|
|
local Value = require("moonscript.transform.value")
|
|
return build.assign_one(first_name, Value:transform_once(self, first_value))
|
|
else
|
|
values[1] = first_value
|
|
end
|
|
end
|
|
local transformed
|
|
if num_values == 1 then
|
|
local value = values[1]
|
|
local t = ntype(value)
|
|
if t == "decorated" then
|
|
value = self.transform.statement(value)
|
|
t = ntype(value)
|
|
end
|
|
if types.cascading[t] then
|
|
local ret
|
|
ret = function(stm)
|
|
if is_value(stm) then
|
|
return {
|
|
"assign",
|
|
names,
|
|
{
|
|
stm
|
|
}
|
|
}
|
|
else
|
|
return stm
|
|
end
|
|
end
|
|
transformed = build.group({
|
|
{
|
|
"declare",
|
|
names
|
|
},
|
|
self.transform.statement(value, ret, node)
|
|
})
|
|
end
|
|
end
|
|
node = transformed or node
|
|
if destructure.has_destructure(names) then
|
|
return destructure.split_assign(self, node)
|
|
end
|
|
return node
|
|
end,
|
|
continue = function(self, node)
|
|
local continue_name = self:send("continue")
|
|
if not (continue_name) then
|
|
error("continue must be inside of a loop")
|
|
end
|
|
return build.group({
|
|
build.assign_one(continue_name, "true"),
|
|
{
|
|
"break"
|
|
}
|
|
})
|
|
end,
|
|
export = function(self, node)
|
|
if #node > 2 then
|
|
if node[2] == "class" then
|
|
local cls = smart_node(node[3])
|
|
return build.group({
|
|
{
|
|
"export",
|
|
{
|
|
cls.name
|
|
}
|
|
},
|
|
cls
|
|
})
|
|
else
|
|
return build.group({
|
|
{
|
|
"export",
|
|
node[2]
|
|
},
|
|
build.assign({
|
|
names = node[2],
|
|
values = node[3]
|
|
})
|
|
})
|
|
end
|
|
else
|
|
return nil
|
|
end
|
|
end,
|
|
update = function(self, node)
|
|
local name, op, exp = unpack(node, 2)
|
|
local op_final = op:match("^(.+)=$")
|
|
if not op_final then
|
|
error("Unknown op: " .. op)
|
|
end
|
|
local lifted
|
|
if ntype(name) == "chain" then
|
|
lifted = { }
|
|
local new_chain
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 3, #name do
|
|
local part = name[_index_0]
|
|
if ntype(part) == "index" then
|
|
local proxy = NameProxy("update")
|
|
table.insert(lifted, {
|
|
proxy,
|
|
part[2]
|
|
})
|
|
_accum_0[_len_0] = {
|
|
"index",
|
|
proxy
|
|
}
|
|
else
|
|
_accum_0[_len_0] = part
|
|
end
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
new_chain = _accum_0
|
|
end
|
|
if next(lifted) then
|
|
name = {
|
|
name[1],
|
|
name[2],
|
|
unpack(new_chain)
|
|
}
|
|
end
|
|
end
|
|
if not (value_is_singular(exp)) then
|
|
exp = {
|
|
"parens",
|
|
exp
|
|
}
|
|
end
|
|
local out = build.assign_one(name, {
|
|
"exp",
|
|
name,
|
|
op_final,
|
|
exp
|
|
})
|
|
if lifted and next(lifted) then
|
|
local names
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #lifted do
|
|
local l = lifted[_index_0]
|
|
_accum_0[_len_0] = l[1]
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
names = _accum_0
|
|
end
|
|
local values
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #lifted do
|
|
local l = lifted[_index_0]
|
|
_accum_0[_len_0] = l[2]
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
values = _accum_0
|
|
end
|
|
out = build.group({
|
|
{
|
|
"assign",
|
|
names,
|
|
values
|
|
},
|
|
out
|
|
})
|
|
end
|
|
return out
|
|
end,
|
|
import = function(self, node)
|
|
local names, source = unpack(node, 2)
|
|
local table_values
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #names do
|
|
local name = names[_index_0]
|
|
local dest_name
|
|
if ntype(name) == "colon" then
|
|
dest_name = name[2]
|
|
else
|
|
dest_name = name
|
|
end
|
|
local _value_0 = {
|
|
{
|
|
"key_literal",
|
|
name
|
|
},
|
|
dest_name
|
|
}
|
|
_accum_0[_len_0] = _value_0
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
table_values = _accum_0
|
|
end
|
|
local dest = {
|
|
"table",
|
|
table_values
|
|
}
|
|
return {
|
|
"assign",
|
|
{
|
|
dest
|
|
},
|
|
{
|
|
source
|
|
},
|
|
[-1] = node[-1]
|
|
}
|
|
end,
|
|
comprehension = function(self, node, action)
|
|
local exp, clauses = unpack(node, 2)
|
|
action = action or function(exp)
|
|
return {
|
|
exp
|
|
}
|
|
end
|
|
return construct_comprehension(action(exp), clauses)
|
|
end,
|
|
["do"] = function(self, node, ret)
|
|
if ret then
|
|
node[2] = transform_last_stm(node[2], ret)
|
|
end
|
|
return node
|
|
end,
|
|
decorated = function(self, node)
|
|
local stm, dec = unpack(node, 2)
|
|
local wrapped
|
|
local _exp_0 = dec[1]
|
|
if "if" == _exp_0 then
|
|
local cond, fail = unpack(dec, 2)
|
|
if fail then
|
|
fail = {
|
|
"else",
|
|
{
|
|
fail
|
|
}
|
|
}
|
|
end
|
|
wrapped = {
|
|
"if",
|
|
cond,
|
|
{
|
|
stm
|
|
},
|
|
fail
|
|
}
|
|
elseif "unless" == _exp_0 then
|
|
wrapped = {
|
|
"unless",
|
|
dec[2],
|
|
{
|
|
stm
|
|
}
|
|
}
|
|
elseif "comprehension" == _exp_0 then
|
|
wrapped = {
|
|
"comprehension",
|
|
stm,
|
|
dec[2]
|
|
}
|
|
else
|
|
wrapped = error("Unknown decorator " .. dec[1])
|
|
end
|
|
if ntype(stm) == "assign" then
|
|
wrapped = build.group({
|
|
build.declare({
|
|
names = (function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
local _list_0 = stm[2]
|
|
for _index_0 = 1, #_list_0 do
|
|
local name = _list_0[_index_0]
|
|
if ntype(name) == "ref" then
|
|
_accum_0[_len_0] = name
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
end
|
|
return _accum_0
|
|
end)()
|
|
}),
|
|
wrapped
|
|
})
|
|
end
|
|
return wrapped
|
|
end,
|
|
unless = function(self, node)
|
|
local clause = node[2]
|
|
if ntype(clause) == "assign" then
|
|
if destructure.has_destructure(clause[2]) then
|
|
error("destructure not allowed in unless assignment")
|
|
end
|
|
return build["do"]({
|
|
clause,
|
|
{
|
|
"if",
|
|
{
|
|
"not",
|
|
clause[2][1]
|
|
},
|
|
unpack(node, 3)
|
|
}
|
|
})
|
|
else
|
|
return {
|
|
"if",
|
|
{
|
|
"not",
|
|
{
|
|
"parens",
|
|
clause
|
|
}
|
|
},
|
|
unpack(node, 3)
|
|
}
|
|
end
|
|
end,
|
|
["if"] = function(self, node, ret)
|
|
if ntype(node[2]) == "assign" then
|
|
local assign, body = unpack(node, 2)
|
|
if destructure.has_destructure(assign[2]) then
|
|
local name = NameProxy("des")
|
|
body = {
|
|
destructure.build_assign(self, assign[2][1], name),
|
|
build.group(node[3])
|
|
}
|
|
return build["do"]({
|
|
build.assign_one(name, assign[3][1]),
|
|
{
|
|
"if",
|
|
name,
|
|
body,
|
|
unpack(node, 4)
|
|
}
|
|
})
|
|
else
|
|
local name = assign[2][1]
|
|
return build["do"]({
|
|
assign,
|
|
{
|
|
"if",
|
|
name,
|
|
unpack(node, 3)
|
|
}
|
|
})
|
|
end
|
|
end
|
|
node = expand_elseif_assign(node)
|
|
if ret then
|
|
smart_node(node)
|
|
node['then'] = transform_last_stm(node['then'], ret)
|
|
for i = 4, #node do
|
|
local case = node[i]
|
|
local body_idx = #node[i]
|
|
case[body_idx] = transform_last_stm(case[body_idx], ret)
|
|
end
|
|
end
|
|
return node
|
|
end,
|
|
with = function(self, node, ret)
|
|
local exp, block = unpack(node, 2)
|
|
local copy_scope = true
|
|
local scope_name, named_assign
|
|
do
|
|
local last = last_stm(block)
|
|
if last then
|
|
if types.terminating[ntype(last)] then
|
|
ret = false
|
|
end
|
|
end
|
|
end
|
|
if ntype(exp) == "assign" then
|
|
local names, values = unpack(exp, 2)
|
|
local first_name = names[1]
|
|
if ntype(first_name) == "ref" then
|
|
scope_name = first_name
|
|
named_assign = exp
|
|
exp = values[1]
|
|
copy_scope = false
|
|
else
|
|
scope_name = NameProxy("with")
|
|
exp = values[1]
|
|
values[1] = scope_name
|
|
named_assign = {
|
|
"assign",
|
|
names,
|
|
values
|
|
}
|
|
end
|
|
elseif self:is_local(exp) then
|
|
scope_name = exp
|
|
copy_scope = false
|
|
end
|
|
scope_name = scope_name or NameProxy("with")
|
|
local out = build["do"]({
|
|
copy_scope and build.assign_one(scope_name, exp) or NOOP,
|
|
named_assign or NOOP,
|
|
Run(function(self)
|
|
return self:set("scope_var", scope_name)
|
|
end),
|
|
unpack(block)
|
|
})
|
|
if ret then
|
|
table.insert(out[2], ret(scope_name))
|
|
end
|
|
return out
|
|
end,
|
|
foreach = function(self, node, _)
|
|
smart_node(node)
|
|
local source = unpack(node.iter)
|
|
local destructures = { }
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for i, name in ipairs(node.names) do
|
|
if ntype(name) == "table" then
|
|
do
|
|
local proxy = NameProxy("des")
|
|
insert(destructures, destructure.build_assign(self, name, proxy))
|
|
_accum_0[_len_0] = proxy
|
|
end
|
|
else
|
|
_accum_0[_len_0] = name
|
|
end
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
node.names = _accum_0
|
|
end
|
|
if next(destructures) then
|
|
insert(destructures, build.group(node.body))
|
|
node.body = destructures
|
|
end
|
|
if ntype(source) == "unpack" then
|
|
local list = source[2]
|
|
local index_name = NameProxy("index")
|
|
local list_name = self:is_local(list) and list or NameProxy("list")
|
|
local slice_var = nil
|
|
local bounds
|
|
if is_slice(list) then
|
|
local slice = list[#list]
|
|
table.remove(list)
|
|
table.remove(slice, 1)
|
|
if self:is_local(list) then
|
|
list_name = list
|
|
end
|
|
if slice[2] and slice[2] ~= "" then
|
|
local max_tmp_name = NameProxy("max")
|
|
slice_var = build.assign_one(max_tmp_name, slice[2])
|
|
slice[2] = {
|
|
"exp",
|
|
max_tmp_name,
|
|
"<",
|
|
0,
|
|
"and",
|
|
{
|
|
"length",
|
|
list_name
|
|
},
|
|
"+",
|
|
max_tmp_name,
|
|
"or",
|
|
max_tmp_name
|
|
}
|
|
else
|
|
slice[2] = {
|
|
"length",
|
|
list_name
|
|
}
|
|
end
|
|
bounds = slice
|
|
else
|
|
bounds = {
|
|
1,
|
|
{
|
|
"length",
|
|
list_name
|
|
}
|
|
}
|
|
end
|
|
local names
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
local _list_0 = node.names
|
|
for _index_0 = 1, #_list_0 do
|
|
local n = _list_0[_index_0]
|
|
_accum_0[_len_0] = is_name_proxy(n) and n or LocalName(n) or n
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
names = _accum_0
|
|
end
|
|
return build.group({
|
|
list_name ~= list and build.assign_one(list_name, list) or NOOP,
|
|
slice_var or NOOP,
|
|
build["for"]({
|
|
name = index_name,
|
|
bounds = bounds,
|
|
body = {
|
|
{
|
|
"assign",
|
|
names,
|
|
{
|
|
NameProxy.index(list_name, index_name)
|
|
}
|
|
},
|
|
build.group(node.body)
|
|
}
|
|
})
|
|
})
|
|
end
|
|
node.body = with_continue_listener(node.body)
|
|
end,
|
|
["while"] = function(self, node)
|
|
smart_node(node)
|
|
node.body = with_continue_listener(node.body)
|
|
end,
|
|
["for"] = function(self, node)
|
|
smart_node(node)
|
|
node.body = with_continue_listener(node.body)
|
|
end,
|
|
switch = function(self, node, ret)
|
|
local exp, conds = unpack(node, 2)
|
|
local exp_name = NameProxy("exp")
|
|
local convert_cond
|
|
convert_cond = function(cond)
|
|
local t, case_exps, body = unpack(cond)
|
|
local out = { }
|
|
insert(out, t == "case" and "elseif" or "else")
|
|
if t ~= "else" then
|
|
local cond_exp = { }
|
|
for i, case in ipairs(case_exps) do
|
|
if i == 1 then
|
|
insert(cond_exp, "exp")
|
|
else
|
|
insert(cond_exp, "or")
|
|
end
|
|
if not (value_is_singular(case)) then
|
|
case = {
|
|
"parens",
|
|
case
|
|
}
|
|
end
|
|
insert(cond_exp, {
|
|
"exp",
|
|
case,
|
|
"==",
|
|
exp_name
|
|
})
|
|
end
|
|
insert(out, cond_exp)
|
|
else
|
|
body = case_exps
|
|
end
|
|
if ret then
|
|
body = transform_last_stm(body, ret)
|
|
end
|
|
insert(out, body)
|
|
return out
|
|
end
|
|
local first = true
|
|
local if_stm = {
|
|
"if"
|
|
}
|
|
for _index_0 = 1, #conds do
|
|
local cond = conds[_index_0]
|
|
local if_cond = convert_cond(cond)
|
|
if first then
|
|
first = false
|
|
insert(if_stm, if_cond[2])
|
|
insert(if_stm, if_cond[3])
|
|
else
|
|
insert(if_stm, if_cond)
|
|
end
|
|
end
|
|
return build.group({
|
|
build.assign_one(exp_name, exp),
|
|
if_stm
|
|
})
|
|
end,
|
|
class = require("moonscript.transform.class")
|
|
})
|
|
|
|
end
|
|
package.preload['moonscript.transform.transformer'] = function()
|
|
local ntype
|
|
ntype = require("moonscript.types").ntype
|
|
local Transformer
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
transform_once = function(self, scope, node, ...)
|
|
if self.seen_nodes[node] then
|
|
return node
|
|
end
|
|
self.seen_nodes[node] = true
|
|
local transformer = self.transformers[ntype(node)]
|
|
if transformer then
|
|
return transformer(scope, node, ...) or node
|
|
else
|
|
return node
|
|
end
|
|
end,
|
|
transform = function(self, scope, node, ...)
|
|
if self.seen_nodes[node] then
|
|
return node
|
|
end
|
|
self.seen_nodes[node] = true
|
|
while true do
|
|
local transformer = self.transformers[ntype(node)]
|
|
local res
|
|
if transformer then
|
|
res = transformer(scope, node, ...) or node
|
|
else
|
|
res = node
|
|
end
|
|
if res == node then
|
|
return node
|
|
end
|
|
node = res
|
|
end
|
|
return node
|
|
end,
|
|
bind = function(self, scope)
|
|
return function(...)
|
|
return self:transform(scope, ...)
|
|
end
|
|
end,
|
|
__call = function(self, ...)
|
|
return self:transform(...)
|
|
end,
|
|
can_transform = function(self, node)
|
|
return self.transformers[ntype(node)] ~= nil
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, transformers)
|
|
self.transformers = transformers
|
|
self.seen_nodes = setmetatable({ }, {
|
|
__mode = "k"
|
|
})
|
|
end,
|
|
__base = _base_0,
|
|
__name = "Transformer"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Transformer = _class_0
|
|
end
|
|
return {
|
|
Transformer = Transformer
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.transform.accumulator'] = function()
|
|
local types = require("moonscript.types")
|
|
local build, ntype, NOOP
|
|
build, ntype, NOOP = types.build, types.ntype, types.NOOP
|
|
local NameProxy
|
|
NameProxy = require("moonscript.transform.names").NameProxy
|
|
local insert
|
|
insert = table.insert
|
|
local is_singular
|
|
is_singular = function(body)
|
|
if #body ~= 1 then
|
|
return false
|
|
end
|
|
if "group" == ntype(body) then
|
|
return is_singular(body[2])
|
|
else
|
|
return body[1]
|
|
end
|
|
end
|
|
local transform_last_stm
|
|
transform_last_stm = require("moonscript.transform.statements").transform_last_stm
|
|
local Accumulator
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
body_idx = {
|
|
["for"] = 4,
|
|
["while"] = 3,
|
|
foreach = 4
|
|
},
|
|
convert = function(self, node)
|
|
local index = self.body_idx[ntype(node)]
|
|
node[index] = self:mutate_body(node[index])
|
|
return self:wrap(node)
|
|
end,
|
|
wrap = function(self, node, group_type)
|
|
if group_type == nil then
|
|
group_type = "block_exp"
|
|
end
|
|
return build[group_type]({
|
|
build.assign_one(self.accum_name, build.table()),
|
|
build.assign_one(self.len_name, 1),
|
|
node,
|
|
group_type == "block_exp" and self.accum_name or NOOP
|
|
})
|
|
end,
|
|
mutate_body = function(self, body)
|
|
local single_stm = is_singular(body)
|
|
local val
|
|
if single_stm and types.is_value(single_stm) then
|
|
body = { }
|
|
val = single_stm
|
|
else
|
|
body = transform_last_stm(body, function(n)
|
|
if types.is_value(n) then
|
|
return build.assign_one(self.value_name, n)
|
|
else
|
|
return build.group({
|
|
{
|
|
"declare",
|
|
{
|
|
self.value_name
|
|
}
|
|
},
|
|
n
|
|
})
|
|
end
|
|
end)
|
|
val = self.value_name
|
|
end
|
|
local update = {
|
|
build.assign_one(NameProxy.index(self.accum_name, self.len_name), val),
|
|
{
|
|
"update",
|
|
self.len_name,
|
|
"+=",
|
|
1
|
|
}
|
|
}
|
|
insert(body, build.group(update))
|
|
return body
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, accum_name)
|
|
self.accum_name = NameProxy("accum")
|
|
self.value_name = NameProxy("value")
|
|
self.len_name = NameProxy("len")
|
|
end,
|
|
__base = _base_0,
|
|
__name = "Accumulator"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Accumulator = _class_0
|
|
end
|
|
local default_accumulator
|
|
default_accumulator = function(self, node)
|
|
return Accumulator():convert(node)
|
|
end
|
|
return {
|
|
Accumulator = Accumulator,
|
|
default_accumulator = default_accumulator
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.dump'] = function()
|
|
local flat_value
|
|
flat_value = function(op, depth)
|
|
if depth == nil then
|
|
depth = 1
|
|
end
|
|
if type(op) == "string" then
|
|
return '"' .. op .. '"'
|
|
end
|
|
if type(op) ~= "table" then
|
|
return tostring(op)
|
|
end
|
|
local items
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #op do
|
|
local item = op[_index_0]
|
|
_accum_0[_len_0] = flat_value(item, depth + 1)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
items = _accum_0
|
|
end
|
|
local pos = op[-1]
|
|
return "{" .. (pos and "[" .. pos .. "] " or "") .. table.concat(items, ", ") .. "}"
|
|
end
|
|
local value
|
|
value = function(op)
|
|
return flat_value(op)
|
|
end
|
|
local tree
|
|
tree = function(block)
|
|
local _list_0 = block
|
|
for _index_0 = 1, #_list_0 do
|
|
local value = _list_0[_index_0]
|
|
print(flat_value(value))
|
|
end
|
|
end
|
|
return {
|
|
value = value,
|
|
tree = tree
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.util'] = function()
|
|
local concat
|
|
concat = table.concat
|
|
local unpack = unpack or table.unpack
|
|
local type = type
|
|
local moon = {
|
|
is_object = function(value)
|
|
return type(value) == "table" and value.__class
|
|
end,
|
|
is_a = function(thing, t)
|
|
if not (type(thing) == "table") then
|
|
return false
|
|
end
|
|
local cls = thing.__class
|
|
while cls do
|
|
if cls == t then
|
|
return true
|
|
end
|
|
cls = cls.__parent
|
|
end
|
|
return false
|
|
end,
|
|
type = function(value)
|
|
local base_type = type(value)
|
|
if base_type == "table" then
|
|
local cls = value.__class
|
|
if cls then
|
|
return cls
|
|
end
|
|
end
|
|
return base_type
|
|
end
|
|
}
|
|
local pos_to_line
|
|
pos_to_line = function(str, pos)
|
|
local line = 1
|
|
for _ in str:sub(1, pos):gmatch("\n") do
|
|
line = line + 1
|
|
end
|
|
return line
|
|
end
|
|
local trim
|
|
trim = function(str)
|
|
return str:match("^%s*(.-)%s*$")
|
|
end
|
|
local get_line
|
|
get_line = function(str, line_num)
|
|
for line in str:gmatch("([^\n]*)\n?") do
|
|
if line_num == 1 then
|
|
return line
|
|
end
|
|
line_num = line_num - 1
|
|
end
|
|
end
|
|
local get_closest_line
|
|
get_closest_line = function(str, line_num)
|
|
local line = get_line(str, line_num)
|
|
if (not line or trim(line) == "") and line_num > 1 then
|
|
return get_closest_line(str, line_num - 1)
|
|
else
|
|
return line, line_num
|
|
end
|
|
end
|
|
local split
|
|
split = function(str, delim)
|
|
if str == "" then
|
|
return { }
|
|
end
|
|
str = str .. delim
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for m in str:gmatch("(.-)" .. delim) do
|
|
_accum_0[_len_0] = m
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end
|
|
local dump
|
|
dump = function(what)
|
|
local seen = { }
|
|
local _dump
|
|
_dump = function(what, depth)
|
|
if depth == nil then
|
|
depth = 0
|
|
end
|
|
local t = type(what)
|
|
if t == "string" then
|
|
return '"' .. what .. '"\n'
|
|
elseif t == "table" then
|
|
if seen[what] then
|
|
return "recursion(" .. tostring(what) .. ")...\n"
|
|
end
|
|
seen[what] = true
|
|
depth = depth + 1
|
|
local lines
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for k, v in pairs(what) do
|
|
_accum_0[_len_0] = (" "):rep(depth * 4) .. "[" .. tostring(k) .. "] = " .. _dump(v, depth)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
lines = _accum_0
|
|
end
|
|
seen[what] = false
|
|
return "{\n" .. concat(lines) .. (" "):rep((depth - 1) * 4) .. "}\n"
|
|
else
|
|
return tostring(what) .. "\n"
|
|
end
|
|
end
|
|
return _dump(what)
|
|
end
|
|
local debug_posmap
|
|
debug_posmap = function(posmap, moon_code, lua_code)
|
|
local tuples
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for k, v in pairs(posmap) do
|
|
_accum_0[_len_0] = {
|
|
k,
|
|
v
|
|
}
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
tuples = _accum_0
|
|
end
|
|
table.sort(tuples, function(a, b)
|
|
return a[1] < b[1]
|
|
end)
|
|
local lines
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #tuples do
|
|
local pair = tuples[_index_0]
|
|
local lua_line, pos = unpack(pair)
|
|
local moon_line = pos_to_line(moon_code, pos)
|
|
local lua_text = get_line(lua_code, lua_line)
|
|
local moon_text = get_closest_line(moon_code, moon_line)
|
|
local _value_0 = tostring(pos) .. "\t " .. tostring(lua_line) .. ":[ " .. tostring(trim(lua_text)) .. " ] >> " .. tostring(moon_line) .. ":[ " .. tostring(trim(moon_text)) .. " ]"
|
|
_accum_0[_len_0] = _value_0
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
lines = _accum_0
|
|
end
|
|
return concat(lines, "\n")
|
|
end
|
|
local setfenv = setfenv or function(fn, env)
|
|
local name
|
|
local i = 1
|
|
while true do
|
|
name = debug.getupvalue(fn, i)
|
|
if not name or name == "_ENV" then
|
|
break
|
|
end
|
|
i = i + 1
|
|
end
|
|
if name then
|
|
debug.upvaluejoin(fn, i, (function()
|
|
return env
|
|
end), 1)
|
|
end
|
|
return fn
|
|
end
|
|
local getfenv = getfenv or function(fn)
|
|
local i = 1
|
|
while true do
|
|
local name, val = debug.getupvalue(fn, i)
|
|
if not (name) then
|
|
break
|
|
end
|
|
if name == "_ENV" then
|
|
return val
|
|
end
|
|
i = i + 1
|
|
end
|
|
return nil
|
|
end
|
|
local get_options
|
|
get_options = function(...)
|
|
local count = select("#", ...)
|
|
local opts = select(count, ...)
|
|
if type(opts) == "table" then
|
|
return opts, unpack({
|
|
...
|
|
}, nil, count - 1)
|
|
else
|
|
return { }, ...
|
|
end
|
|
end
|
|
local safe_module
|
|
safe_module = function(name, tbl)
|
|
return setmetatable(tbl, {
|
|
__index = function(self, key)
|
|
return error("Attempted to import non-existent `" .. tostring(key) .. "` from " .. tostring(name))
|
|
end
|
|
})
|
|
end
|
|
return {
|
|
moon = moon,
|
|
pos_to_line = pos_to_line,
|
|
get_closest_line = get_closest_line,
|
|
get_line = get_line,
|
|
trim = trim,
|
|
split = split,
|
|
dump = dump,
|
|
debug_posmap = debug_posmap,
|
|
getfenv = getfenv,
|
|
setfenv = setfenv,
|
|
get_options = get_options,
|
|
unpack = unpack,
|
|
safe_module = safe_module
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.cmd.lint'] = function()
|
|
local insert
|
|
insert = table.insert
|
|
local Set
|
|
Set = require("moonscript.data").Set
|
|
local Block
|
|
Block = require("moonscript.compile").Block
|
|
local mtype
|
|
mtype = require("moonscript.util").moon.type
|
|
local default_whitelist = Set({
|
|
'_G',
|
|
'_VERSION',
|
|
'assert',
|
|
'bit32',
|
|
'collectgarbage',
|
|
'coroutine',
|
|
'debug',
|
|
'dofile',
|
|
'error',
|
|
'getfenv',
|
|
'getmetatable',
|
|
'io',
|
|
'ipairs',
|
|
'load',
|
|
'loadfile',
|
|
'loadstring',
|
|
'math',
|
|
'module',
|
|
'next',
|
|
'os',
|
|
'package',
|
|
'pairs',
|
|
'pcall',
|
|
'print',
|
|
'rawequal',
|
|
'rawget',
|
|
'rawlen',
|
|
'rawset',
|
|
'require',
|
|
'select',
|
|
'setfenv',
|
|
'setmetatable',
|
|
'string',
|
|
'table',
|
|
'tonumber',
|
|
'tostring',
|
|
'type',
|
|
'unpack',
|
|
'xpcall',
|
|
"nil",
|
|
"true",
|
|
"false"
|
|
})
|
|
local LinterBlock
|
|
do
|
|
local _class_0
|
|
local _parent_0 = Block
|
|
local _base_0 = {
|
|
lint_mark_used = function(self, name)
|
|
if self.lint_unused_names and self.lint_unused_names[name] then
|
|
self.lint_unused_names[name] = false
|
|
return
|
|
end
|
|
if self.parent then
|
|
return self.parent:lint_mark_used(name)
|
|
end
|
|
end,
|
|
lint_check_unused = function(self)
|
|
if not (self.lint_unused_names and next(self.lint_unused_names)) then
|
|
return
|
|
end
|
|
local names_by_position = { }
|
|
for name, pos in pairs(self.lint_unused_names) do
|
|
local _continue_0 = false
|
|
repeat
|
|
if not (pos) then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
names_by_position[pos] = names_by_position[pos] or { }
|
|
insert(names_by_position[pos], name)
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
local tuples
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for pos, names in pairs(names_by_position) do
|
|
_accum_0[_len_0] = {
|
|
pos,
|
|
names
|
|
}
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
tuples = _accum_0
|
|
end
|
|
table.sort(tuples, function(a, b)
|
|
return a[1] < b[1]
|
|
end)
|
|
for _index_0 = 1, #tuples do
|
|
local _des_0 = tuples[_index_0]
|
|
local pos, names
|
|
pos, names = _des_0[1], _des_0[2]
|
|
insert(self:get_root_block().lint_errors, {
|
|
"assigned but unused " .. tostring(table.concat((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_1 = 1, #names do
|
|
local n = names[_index_1]
|
|
_accum_0[_len_0] = "`" .. tostring(n) .. "`"
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), ", ")),
|
|
pos
|
|
})
|
|
end
|
|
end,
|
|
render = function(self, ...)
|
|
self:lint_check_unused()
|
|
return _class_0.__parent.__base.render(self, ...)
|
|
end,
|
|
block = function(self, ...)
|
|
do
|
|
local _with_0 = _class_0.__parent.__base.block(self, ...)
|
|
_with_0.block = self.block
|
|
_with_0.render = self.render
|
|
_with_0.get_root_block = self.get_root_block
|
|
_with_0.lint_check_unused = self.lint_check_unused
|
|
_with_0.lint_mark_used = self.lint_mark_used
|
|
_with_0.value_compilers = self.value_compilers
|
|
_with_0.statement_compilers = self.statement_compilers
|
|
return _with_0
|
|
end
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
setmetatable(_base_0, _parent_0.__base)
|
|
_class_0 = setmetatable({
|
|
__init = function(self, whitelist_globals, ...)
|
|
if whitelist_globals == nil then
|
|
whitelist_globals = default_whitelist
|
|
end
|
|
_class_0.__parent.__init(self, ...)
|
|
self.get_root_block = function()
|
|
return self
|
|
end
|
|
self.lint_errors = { }
|
|
local vc = self.value_compilers
|
|
self.value_compilers = setmetatable({
|
|
ref = function(block, val)
|
|
local name = val[2]
|
|
if not (block:has_name(name) or whitelist_globals[name] or name:match("%.")) then
|
|
insert(self.lint_errors, {
|
|
"accessing global `" .. tostring(name) .. "`",
|
|
val[-1]
|
|
})
|
|
end
|
|
block:lint_mark_used(name)
|
|
return vc.ref(block, val)
|
|
end
|
|
}, {
|
|
__index = vc
|
|
})
|
|
local sc = self.statement_compilers
|
|
self.statement_compilers = setmetatable({
|
|
assign = function(block, node)
|
|
local names = node[2]
|
|
for _index_0 = 1, #names do
|
|
local _continue_0 = false
|
|
repeat
|
|
local name = names[_index_0]
|
|
if type(name) == "table" and name[1] == "temp_name" then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
local real_name, is_local = block:extract_assign_name(name)
|
|
if not (is_local or real_name and not block:has_name(real_name, true)) then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
if real_name == "_" then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
block.lint_unused_names = block.lint_unused_names or { }
|
|
block.lint_unused_names[real_name] = node[-1] or 0
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
return sc.assign(block, node)
|
|
end
|
|
}, {
|
|
__index = sc
|
|
})
|
|
end,
|
|
__base = _base_0,
|
|
__name = "LinterBlock",
|
|
__parent = _parent_0
|
|
}, {
|
|
__index = function(cls, name)
|
|
local val = rawget(_base_0, name)
|
|
if val == nil then
|
|
local parent = rawget(cls, "__parent")
|
|
if parent then
|
|
return parent[name]
|
|
end
|
|
else
|
|
return val
|
|
end
|
|
end,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
if _parent_0.__inherited then
|
|
_parent_0.__inherited(_parent_0, _class_0)
|
|
end
|
|
LinterBlock = _class_0
|
|
end
|
|
local format_lint
|
|
format_lint = function(errors, code, header)
|
|
if not (next(errors)) then
|
|
return
|
|
end
|
|
local pos_to_line, get_line
|
|
do
|
|
local _obj_0 = require("moonscript.util")
|
|
pos_to_line, get_line = _obj_0.pos_to_line, _obj_0.get_line
|
|
end
|
|
local formatted
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #errors do
|
|
local _des_0 = errors[_index_0]
|
|
local msg, pos
|
|
msg, pos = _des_0[1], _des_0[2]
|
|
if pos then
|
|
local line = pos_to_line(code, pos)
|
|
msg = "line " .. tostring(line) .. ": " .. tostring(msg)
|
|
local line_text = "> " .. get_line(code, line)
|
|
local sep_len = math.max(#msg, #line_text)
|
|
_accum_0[_len_0] = table.concat({
|
|
msg,
|
|
("="):rep(sep_len),
|
|
line_text
|
|
}, "\n")
|
|
else
|
|
_accum_0[_len_0] = msg
|
|
end
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
formatted = _accum_0
|
|
end
|
|
if header then
|
|
table.insert(formatted, 1, header)
|
|
end
|
|
return table.concat(formatted, "\n\n")
|
|
end
|
|
local whitelist_for_file
|
|
do
|
|
local lint_config
|
|
whitelist_for_file = function(fname)
|
|
if not (lint_config) then
|
|
lint_config = { }
|
|
pcall(function()
|
|
lint_config = require("lint_config")
|
|
end)
|
|
end
|
|
if not (lint_config.whitelist_globals) then
|
|
return default_whitelist
|
|
end
|
|
local final_list = { }
|
|
for pattern, list in pairs(lint_config.whitelist_globals) do
|
|
if fname:match(pattern) then
|
|
for _index_0 = 1, #list do
|
|
local item = list[_index_0]
|
|
insert(final_list, item)
|
|
end
|
|
end
|
|
end
|
|
return setmetatable(Set(final_list), {
|
|
__index = default_whitelist
|
|
})
|
|
end
|
|
end
|
|
local lint_code
|
|
lint_code = function(code, name, whitelist_globals)
|
|
if name == nil then
|
|
name = "string input"
|
|
end
|
|
local parse = require("moonscript.parse")
|
|
local tree, err = parse.string(code)
|
|
if not (tree) then
|
|
return nil, err
|
|
end
|
|
local scope = LinterBlock(whitelist_globals)
|
|
scope:stms(tree)
|
|
scope:lint_check_unused()
|
|
return format_lint(scope.lint_errors, code, name)
|
|
end
|
|
local lint_file
|
|
lint_file = function(fname)
|
|
local f, err = io.open(fname)
|
|
if not (f) then
|
|
return nil, err
|
|
end
|
|
return lint_code(f:read("*a"), fname, whitelist_for_file(fname))
|
|
end
|
|
return {
|
|
lint_code = lint_code,
|
|
lint_file = lint_file
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.cmd.args'] = function()
|
|
local unpack
|
|
unpack = require("moonscript.util").unpack
|
|
local parse_spec
|
|
parse_spec = function(spec)
|
|
local flags, words
|
|
if type(spec) == "table" then
|
|
flags, words = unpack(spec), spec
|
|
else
|
|
flags, words = spec, { }
|
|
end
|
|
assert("no flags for arguments")
|
|
local out = { }
|
|
for part in flags:gmatch("%w:?") do
|
|
if part:match(":$") then
|
|
out[part:sub(1, 1)] = {
|
|
value = true
|
|
}
|
|
else
|
|
out[part] = { }
|
|
end
|
|
end
|
|
return out
|
|
end
|
|
local parse_arguments
|
|
parse_arguments = function(spec, args)
|
|
spec = parse_spec(spec)
|
|
local out = { }
|
|
local remaining = { }
|
|
local last_flag = nil
|
|
for _index_0 = 1, #args do
|
|
local _continue_0 = false
|
|
repeat
|
|
local arg = args[_index_0]
|
|
local group = { }
|
|
if last_flag then
|
|
out[last_flag] = arg
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
do
|
|
local flag = arg:match("-(%w+)")
|
|
if flag then
|
|
do
|
|
local short_name = spec[flag]
|
|
if short_name then
|
|
out[short_name] = true
|
|
else
|
|
for char in flag:gmatch(".") do
|
|
out[char] = true
|
|
end
|
|
end
|
|
end
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
end
|
|
table.insert(remaining, arg)
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
return out, remaining
|
|
end
|
|
return {
|
|
parse_arguments = parse_arguments,
|
|
parse_spec = parse_spec
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.cmd.watchers'] = function()
|
|
local remove_dupes
|
|
remove_dupes = function(list, key_fn)
|
|
local seen = { }
|
|
return (function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #list do
|
|
local _continue_0 = false
|
|
repeat
|
|
local item = list[_index_0]
|
|
local key
|
|
if key_fn then
|
|
key = key_fn(item)
|
|
else
|
|
key = item
|
|
end
|
|
if seen[key] then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
seen[key] = true
|
|
local _value_0 = item
|
|
_accum_0[_len_0] = _value_0
|
|
_len_0 = _len_0 + 1
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
return _accum_0
|
|
end)()
|
|
end
|
|
local plural
|
|
plural = function(count, word)
|
|
return tostring(count) .. " " .. tostring(word) .. tostring(count == 1 and "" or "s")
|
|
end
|
|
local Watcher
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
start_msg = "Starting watch loop (Ctrl-C to exit)",
|
|
print_start = function(self, mode, misc)
|
|
return io.stderr:write(tostring(self.start_msg) .. " with " .. tostring(mode) .. " [" .. tostring(misc) .. "]\n")
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, file_list)
|
|
self.file_list = file_list
|
|
end,
|
|
__base = _base_0,
|
|
__name = "Watcher"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Watcher = _class_0
|
|
end
|
|
local InotifyWacher
|
|
do
|
|
local _class_0
|
|
local _parent_0 = Watcher
|
|
local _base_0 = {
|
|
get_dirs = function(self)
|
|
local parse_dir
|
|
parse_dir = require("moonscript.cmd.moonc").parse_dir
|
|
local dirs
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
local _list_0 = self.file_list
|
|
for _index_0 = 1, #_list_0 do
|
|
local _des_0 = _list_0[_index_0]
|
|
local file_path
|
|
file_path = _des_0[1]
|
|
local dir = parse_dir(file_path)
|
|
if dir == "" then
|
|
dir = "./"
|
|
end
|
|
local _value_0 = dir
|
|
_accum_0[_len_0] = _value_0
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
dirs = _accum_0
|
|
end
|
|
return remove_dupes(dirs)
|
|
end,
|
|
each_update = function(self)
|
|
return coroutine.wrap(function()
|
|
local dirs = self:get_dirs()
|
|
self:print_start("inotify", plural(#dirs, "dir"))
|
|
local wd_table = { }
|
|
local inotify = require("inotify")
|
|
local handle = inotify.init()
|
|
for _index_0 = 1, #dirs do
|
|
local dir = dirs[_index_0]
|
|
local wd = handle:addwatch(dir, inotify.IN_CLOSE_WRITE, inotify.IN_MOVED_TO)
|
|
wd_table[wd] = dir
|
|
end
|
|
while true do
|
|
local events = handle:read()
|
|
if not (events) then
|
|
break
|
|
end
|
|
for _index_0 = 1, #events do
|
|
local _continue_0 = false
|
|
repeat
|
|
local ev = events[_index_0]
|
|
local fname = ev.name
|
|
if not (fname:match("%.moon$")) then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
local dir = wd_table[ev.wd]
|
|
if dir ~= "./" then
|
|
fname = dir .. fname
|
|
end
|
|
coroutine.yield(fname)
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
end
|
|
end)
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
setmetatable(_base_0, _parent_0.__base)
|
|
_class_0 = setmetatable({
|
|
__init = function(self, ...)
|
|
return _class_0.__parent.__init(self, ...)
|
|
end,
|
|
__base = _base_0,
|
|
__name = "InotifyWacher",
|
|
__parent = _parent_0
|
|
}, {
|
|
__index = function(cls, name)
|
|
local val = rawget(_base_0, name)
|
|
if val == nil then
|
|
local parent = rawget(cls, "__parent")
|
|
if parent then
|
|
return parent[name]
|
|
end
|
|
else
|
|
return val
|
|
end
|
|
end,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
local self = _class_0
|
|
self.available = function(self)
|
|
return pcall(function()
|
|
return require("inotify")
|
|
end)
|
|
end
|
|
if _parent_0.__inherited then
|
|
_parent_0.__inherited(_parent_0, _class_0)
|
|
end
|
|
InotifyWacher = _class_0
|
|
end
|
|
local SleepWatcher
|
|
do
|
|
local _class_0
|
|
local _parent_0 = Watcher
|
|
local _base_0 = {
|
|
polling_rate = 1.0,
|
|
get_sleep_func = function(self)
|
|
local sleep
|
|
pcall(function()
|
|
sleep = require("socket").sleep
|
|
end)
|
|
sleep = sleep or require("moonscript")._sleep
|
|
if not (sleep) then
|
|
error("Missing sleep function; install LuaSocket")
|
|
end
|
|
return sleep
|
|
end,
|
|
each_update = function(self)
|
|
return coroutine.wrap(function()
|
|
local lfs = require("lfs")
|
|
local sleep = self:get_sleep_func()
|
|
self:print_start("polling", plural(#self.file_list, "files"))
|
|
local mod_time = { }
|
|
while true do
|
|
local _list_0 = self.file_list
|
|
for _index_0 = 1, #_list_0 do
|
|
local _continue_0 = false
|
|
repeat
|
|
local _des_0 = _list_0[_index_0]
|
|
local file
|
|
file = _des_0[1]
|
|
local time = lfs.attributes(file, "modification")
|
|
if not (time) then
|
|
mod_time[file] = nil
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
if not (mod_time[file]) then
|
|
mod_time[file] = time
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
if time > mod_time[file] then
|
|
mod_time[file] = time
|
|
coroutine.yield(file)
|
|
end
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
sleep(self.polling_rate)
|
|
end
|
|
end)
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
setmetatable(_base_0, _parent_0.__base)
|
|
_class_0 = setmetatable({
|
|
__init = function(self, ...)
|
|
return _class_0.__parent.__init(self, ...)
|
|
end,
|
|
__base = _base_0,
|
|
__name = "SleepWatcher",
|
|
__parent = _parent_0
|
|
}, {
|
|
__index = function(cls, name)
|
|
local val = rawget(_base_0, name)
|
|
if val == nil then
|
|
local parent = rawget(cls, "__parent")
|
|
if parent then
|
|
return parent[name]
|
|
end
|
|
else
|
|
return val
|
|
end
|
|
end,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
if _parent_0.__inherited then
|
|
_parent_0.__inherited(_parent_0, _class_0)
|
|
end
|
|
SleepWatcher = _class_0
|
|
end
|
|
return {
|
|
Watcher = Watcher,
|
|
SleepWatcher = SleepWatcher,
|
|
InotifyWacher = InotifyWacher
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.cmd.coverage'] = function()
|
|
local log
|
|
log = function(str)
|
|
if str == nil then
|
|
str = ""
|
|
end
|
|
return io.stderr:write(str .. "\n")
|
|
end
|
|
local create_counter
|
|
create_counter = function()
|
|
return setmetatable({ }, {
|
|
__index = function(self, name)
|
|
do
|
|
local tbl = setmetatable({ }, {
|
|
__index = function(self)
|
|
return 0
|
|
end
|
|
})
|
|
self[name] = tbl
|
|
return tbl
|
|
end
|
|
end
|
|
})
|
|
end
|
|
local position_to_lines
|
|
position_to_lines = function(file_content, positions)
|
|
local lines = { }
|
|
local current_pos = 0
|
|
local line_no = 1
|
|
for char in file_content:gmatch(".") do
|
|
do
|
|
local count = rawget(positions, current_pos)
|
|
if count then
|
|
lines[line_no] = count
|
|
end
|
|
end
|
|
if char == "\n" then
|
|
line_no = line_no + 1
|
|
end
|
|
current_pos = current_pos + 1
|
|
end
|
|
return lines
|
|
end
|
|
local format_file
|
|
format_file = function(fname, positions)
|
|
fname = fname:gsub("^@", "")
|
|
local file = assert(io.open(fname))
|
|
local content = file:read("*a")
|
|
file:close()
|
|
local lines = position_to_lines(content, positions)
|
|
log("------| @" .. tostring(fname))
|
|
local line_no = 1
|
|
for line in (content .. "\n"):gmatch("(.-)\n") do
|
|
local foramtted_no = ("% 5d"):format(line_no)
|
|
local sym = lines[line_no] and "*" or " "
|
|
log(tostring(sym) .. tostring(foramtted_no) .. "| " .. tostring(line))
|
|
line_no = line_no + 1
|
|
end
|
|
return log()
|
|
end
|
|
local CodeCoverage
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
reset = function(self)
|
|
self.line_counts = create_counter()
|
|
end,
|
|
start = function(self)
|
|
return debug.sethook((function()
|
|
local _base_1 = self
|
|
local _fn_0 = _base_1.process_line
|
|
return function(...)
|
|
return _fn_0(_base_1, ...)
|
|
end
|
|
end)(), "l")
|
|
end,
|
|
stop = function(self)
|
|
return debug.sethook()
|
|
end,
|
|
print_results = function(self)
|
|
return self:format_results()
|
|
end,
|
|
process_line = function(self, _, line_no)
|
|
local debug_data = debug.getinfo(2, "S")
|
|
local source = debug_data.source
|
|
self.line_counts[source][line_no] = self.line_counts[source][line_no] + 1
|
|
end,
|
|
format_results = function(self)
|
|
local line_table = require("moonscript.line_tables")
|
|
local positions = create_counter()
|
|
for file, lines in pairs(self.line_counts) do
|
|
local _continue_0 = false
|
|
repeat
|
|
local file_table = line_table[file]
|
|
if not (file_table) then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
for line, count in pairs(lines) do
|
|
local _continue_1 = false
|
|
repeat
|
|
local position = file_table[line]
|
|
if not (position) then
|
|
_continue_1 = true
|
|
break
|
|
end
|
|
positions[file][position] = positions[file][position] + count
|
|
_continue_1 = true
|
|
until true
|
|
if not _continue_1 then
|
|
break
|
|
end
|
|
end
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
for file, ps in pairs(positions) do
|
|
format_file(file, ps)
|
|
end
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self)
|
|
return self:reset()
|
|
end,
|
|
__base = _base_0,
|
|
__name = "CodeCoverage"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
CodeCoverage = _class_0
|
|
end
|
|
return {
|
|
CodeCoverage = CodeCoverage
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.cmd.moonc'] = function()
|
|
local lfs = require("lfs")
|
|
local split
|
|
split = require("moonscript.util").split
|
|
local dirsep, dirsep_chars, mkdir, normalize_dir, parse_dir, parse_file, convert_path, format_time, gettime, compile_file_text, write_file, compile_and_write, is_abs_path, path_to_target
|
|
dirsep = package.config:sub(1, 1)
|
|
if dirsep == "\\" then
|
|
dirsep_chars = "\\/"
|
|
else
|
|
dirsep_chars = dirsep
|
|
end
|
|
mkdir = function(path)
|
|
local chunks = split(path, dirsep)
|
|
local accum
|
|
for _index_0 = 1, #chunks do
|
|
local dir = chunks[_index_0]
|
|
accum = accum and tostring(accum) .. tostring(dirsep) .. tostring(dir) or dir
|
|
lfs.mkdir(accum)
|
|
end
|
|
return lfs.attributes(path, "mode")
|
|
end
|
|
normalize_dir = function(path)
|
|
return path:match("^(.-)[" .. tostring(dirsep_chars) .. "]*$") .. dirsep
|
|
end
|
|
parse_dir = function(path)
|
|
return (path:match("^(.-)[^" .. tostring(dirsep_chars) .. "]*$"))
|
|
end
|
|
parse_file = function(path)
|
|
return (path:match("^.-([^" .. tostring(dirsep_chars) .. "]*)$"))
|
|
end
|
|
convert_path = function(path)
|
|
local new_path = path:gsub("%.moon$", ".lua")
|
|
if new_path == path then
|
|
new_path = path .. ".lua"
|
|
end
|
|
return new_path
|
|
end
|
|
format_time = function(time)
|
|
return ("%.3fms"):format(time * 1000)
|
|
end
|
|
do
|
|
local socket
|
|
gettime = function()
|
|
if socket == nil then
|
|
pcall(function()
|
|
socket = require("socket")
|
|
end)
|
|
if not (socket) then
|
|
socket = false
|
|
end
|
|
end
|
|
if socket then
|
|
return socket.gettime()
|
|
else
|
|
return nil, "LuaSocket needed for benchmark"
|
|
end
|
|
end
|
|
end
|
|
compile_file_text = function(text, opts)
|
|
if opts == nil then
|
|
opts = { }
|
|
end
|
|
local parse = require("moonscript.parse")
|
|
local compile = require("moonscript.compile")
|
|
local parse_time
|
|
if opts.benchmark then
|
|
parse_time = assert(gettime())
|
|
end
|
|
local tree, err = parse.string(text)
|
|
if not (tree) then
|
|
return nil, err
|
|
end
|
|
if parse_time then
|
|
parse_time = gettime() - parse_time
|
|
end
|
|
if opts.show_parse_tree then
|
|
local dump = require("moonscript.dump")
|
|
dump.tree(tree)
|
|
return true
|
|
end
|
|
local compile_time
|
|
if opts.benchmark then
|
|
compile_time = gettime()
|
|
end
|
|
do
|
|
local mod = opts.transform_module
|
|
if mod then
|
|
tree = assert(require(mod)(tree))
|
|
end
|
|
end
|
|
local code, posmap_or_err, err_pos = compile.tree(tree)
|
|
if not (code) then
|
|
return nil, compile.format_error(posmap_or_err, err_pos, text)
|
|
end
|
|
if compile_time then
|
|
compile_time = gettime() - compile_time
|
|
end
|
|
if opts.show_posmap then
|
|
local debug_posmap
|
|
debug_posmap = require("moonscript.util").debug_posmap
|
|
print("Pos", "Lua", ">>", "Moon")
|
|
print(debug_posmap(posmap_or_err, text, code))
|
|
return true
|
|
end
|
|
if opts.benchmark then
|
|
print(table.concat({
|
|
opts.fname or "stdin",
|
|
"Parse time \t" .. format_time(parse_time),
|
|
"Compile time\t" .. format_time(compile_time),
|
|
""
|
|
}, "\n"))
|
|
return true
|
|
end
|
|
return code
|
|
end
|
|
write_file = function(fname, code)
|
|
mkdir(parse_dir(fname))
|
|
local f, err = io.open(fname, "w")
|
|
if not (f) then
|
|
return nil, err
|
|
end
|
|
assert(f:write(code))
|
|
assert(f:write("\n"))
|
|
f:close()
|
|
return "build"
|
|
end
|
|
compile_and_write = function(src, dest, opts)
|
|
if opts == nil then
|
|
opts = { }
|
|
end
|
|
local f = io.open(src)
|
|
if not (f) then
|
|
return nil, "Can't find file"
|
|
end
|
|
local text = assert(f:read("*a"))
|
|
f:close()
|
|
local code, err = compile_file_text(text, opts)
|
|
if not code then
|
|
return nil, err
|
|
end
|
|
if code == true then
|
|
return true
|
|
end
|
|
if opts.print then
|
|
print(code)
|
|
return true
|
|
end
|
|
return write_file(dest, code)
|
|
end
|
|
is_abs_path = function(path)
|
|
local first = path:sub(1, 1)
|
|
if dirsep == "\\" then
|
|
return first == "/" or first == "\\" or path:sub(2, 1) == ":"
|
|
else
|
|
return first == dirsep
|
|
end
|
|
end
|
|
path_to_target = function(path, target_dir, base_dir)
|
|
if target_dir == nil then
|
|
target_dir = nil
|
|
end
|
|
if base_dir == nil then
|
|
base_dir = nil
|
|
end
|
|
local target = convert_path(path)
|
|
if target_dir then
|
|
target_dir = normalize_dir(target_dir)
|
|
end
|
|
if base_dir and target_dir then
|
|
local head = base_dir:match("^(.-)[^" .. tostring(dirsep_chars) .. "]*[" .. tostring(dirsep_chars) .. "]?$")
|
|
if head then
|
|
local start, stop = target:find(head, 1, true)
|
|
if start == 1 then
|
|
target = target:sub(stop + 1)
|
|
end
|
|
end
|
|
end
|
|
if target_dir then
|
|
if is_abs_path(target) then
|
|
target = parse_file(target)
|
|
end
|
|
target = target_dir .. target
|
|
end
|
|
return target
|
|
end
|
|
return {
|
|
dirsep = dirsep,
|
|
mkdir = mkdir,
|
|
normalize_dir = normalize_dir,
|
|
parse_dir = parse_dir,
|
|
parse_file = parse_file,
|
|
convert_path = convert_path,
|
|
gettime = gettime,
|
|
format_time = format_time,
|
|
path_to_target = path_to_target,
|
|
compile_file_text = compile_file_text,
|
|
compile_and_write = compile_and_write
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.line_tables'] = function()
|
|
return { }
|
|
|
|
end
|
|
package.preload['moonscript.compile.value'] = function()
|
|
local util = require("moonscript.util")
|
|
local data = require("moonscript.data")
|
|
local ntype
|
|
ntype = require("moonscript.types").ntype
|
|
local user_error
|
|
user_error = require("moonscript.errors").user_error
|
|
local concat, insert
|
|
do
|
|
local _obj_0 = table
|
|
concat, insert = _obj_0.concat, _obj_0.insert
|
|
end
|
|
local unpack
|
|
unpack = util.unpack
|
|
local table_delim = ","
|
|
local string_chars = {
|
|
["\r"] = "\\r",
|
|
["\n"] = "\\n"
|
|
}
|
|
return {
|
|
scoped = function(self, node)
|
|
local _, before, value, after
|
|
_, before, value, after = node[1], node[2], node[3], node[4]
|
|
_ = before and before:call(self)
|
|
do
|
|
local _with_0 = self:value(value)
|
|
_ = after and after:call(self)
|
|
return _with_0
|
|
end
|
|
end,
|
|
exp = function(self, node)
|
|
local _comp
|
|
_comp = function(i, value)
|
|
if i % 2 == 1 and value == "!=" then
|
|
value = "~="
|
|
end
|
|
return self:value(value)
|
|
end
|
|
do
|
|
local _with_0 = self:line()
|
|
_with_0:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for i, v in ipairs(node) do
|
|
if i > 1 then
|
|
_accum_0[_len_0] = _comp(i, v)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
end
|
|
return _accum_0
|
|
end)(), " ")
|
|
return _with_0
|
|
end
|
|
end,
|
|
explist = function(self, node)
|
|
do
|
|
local _with_0 = self:line()
|
|
_with_0:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 2, #node do
|
|
local v = node[_index_0]
|
|
_accum_0[_len_0] = self:value(v)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), ", ")
|
|
return _with_0
|
|
end
|
|
end,
|
|
parens = function(self, node)
|
|
return self:line("(", self:value(node[2]), ")")
|
|
end,
|
|
string = function(self, node)
|
|
local delim, inner = unpack(node, 2)
|
|
local end_delim = delim:gsub("%[", "]")
|
|
if delim == "'" or delim == '"' then
|
|
inner = inner:gsub("[\r\n]", string_chars)
|
|
end
|
|
return delim .. inner .. end_delim
|
|
end,
|
|
chain = function(self, node)
|
|
local callee = node[2]
|
|
local callee_type = ntype(callee)
|
|
local item_offset = 3
|
|
if callee_type == "dot" or callee_type == "colon" or callee_type == "index" then
|
|
callee = self:get("scope_var")
|
|
if not (callee) then
|
|
user_error("Short-dot syntax must be called within a with block")
|
|
end
|
|
item_offset = 2
|
|
end
|
|
if callee_type == "ref" and callee[2] == "super" or callee == "super" then
|
|
do
|
|
local sup = self:get("super")
|
|
if sup then
|
|
return self:value(sup(self, node))
|
|
end
|
|
end
|
|
end
|
|
local chain_item
|
|
chain_item = function(node)
|
|
local t, arg = unpack(node)
|
|
if t == "call" then
|
|
return "(", self:values(arg), ")"
|
|
elseif t == "index" then
|
|
return "[", self:value(arg), "]"
|
|
elseif t == "dot" then
|
|
return ".", tostring(arg)
|
|
elseif t == "colon" then
|
|
return ":", tostring(arg)
|
|
elseif t == "colon_stub" then
|
|
return user_error("Uncalled colon stub")
|
|
else
|
|
return error("Unknown chain action: " .. tostring(t))
|
|
end
|
|
end
|
|
if (callee_type == "self" or callee_type == "self_class") and node[3] and ntype(node[3]) == "call" then
|
|
callee[1] = callee_type .. "_colon"
|
|
end
|
|
local callee_value = self:value(callee)
|
|
if ntype(callee) == "exp" then
|
|
callee_value = self:line("(", callee_value, ")")
|
|
end
|
|
local actions
|
|
do
|
|
local _with_0 = self:line()
|
|
for _index_0 = item_offset, #node do
|
|
local action = node[_index_0]
|
|
_with_0:append(chain_item(action))
|
|
end
|
|
actions = _with_0
|
|
end
|
|
return self:line(callee_value, actions)
|
|
end,
|
|
fndef = function(self, node)
|
|
local args, whitelist, arrow, block = unpack(node, 2)
|
|
local default_args = { }
|
|
local self_args = { }
|
|
local arg_names
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #args do
|
|
local arg = args[_index_0]
|
|
local name, default_value = unpack(arg)
|
|
if type(name) == "string" then
|
|
name = name
|
|
else
|
|
if name[1] == "self" or name[1] == "self_class" then
|
|
insert(self_args, name)
|
|
end
|
|
name = name[2]
|
|
end
|
|
if default_value then
|
|
insert(default_args, arg)
|
|
end
|
|
local _value_0 = name
|
|
_accum_0[_len_0] = _value_0
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
arg_names = _accum_0
|
|
end
|
|
if arrow == "fat" then
|
|
insert(arg_names, 1, "self")
|
|
end
|
|
do
|
|
local _with_0 = self:block()
|
|
if #whitelist > 0 then
|
|
_with_0:whitelist_names(whitelist)
|
|
end
|
|
for _index_0 = 1, #arg_names do
|
|
local name = arg_names[_index_0]
|
|
_with_0:put_name(name)
|
|
end
|
|
for _index_0 = 1, #default_args do
|
|
local default = default_args[_index_0]
|
|
local name, value = unpack(default)
|
|
if type(name) == "table" then
|
|
name = name[2]
|
|
end
|
|
_with_0:stm({
|
|
'if',
|
|
{
|
|
'exp',
|
|
{
|
|
"ref",
|
|
name
|
|
},
|
|
'==',
|
|
'nil'
|
|
},
|
|
{
|
|
{
|
|
'assign',
|
|
{
|
|
name
|
|
},
|
|
{
|
|
value
|
|
}
|
|
}
|
|
}
|
|
})
|
|
end
|
|
local self_arg_values
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #self_args do
|
|
local arg = self_args[_index_0]
|
|
_accum_0[_len_0] = arg[2]
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
self_arg_values = _accum_0
|
|
end
|
|
if #self_args > 0 then
|
|
_with_0:stm({
|
|
"assign",
|
|
self_args,
|
|
self_arg_values
|
|
})
|
|
end
|
|
_with_0:stms(block)
|
|
if #args > #arg_names then
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #args do
|
|
local arg = args[_index_0]
|
|
_accum_0[_len_0] = arg[1]
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
arg_names = _accum_0
|
|
end
|
|
end
|
|
_with_0.header = "function(" .. concat(arg_names, ", ") .. ")"
|
|
return _with_0
|
|
end
|
|
end,
|
|
table = function(self, node)
|
|
local items = unpack(node, 2)
|
|
do
|
|
local _with_0 = self:block("{", "}")
|
|
local format_line
|
|
format_line = function(tuple)
|
|
if #tuple == 2 then
|
|
local key, value = unpack(tuple)
|
|
if ntype(key) == "key_literal" and data.lua_keywords[key[2]] then
|
|
key = {
|
|
"string",
|
|
'"',
|
|
key[2]
|
|
}
|
|
end
|
|
local assign
|
|
if ntype(key) == "key_literal" then
|
|
assign = key[2]
|
|
else
|
|
assign = self:line("[", _with_0:value(key), "]")
|
|
end
|
|
local out = self:line(assign, " = ", _with_0:value(value))
|
|
return out
|
|
else
|
|
return self:line(_with_0:value(tuple[1]))
|
|
end
|
|
end
|
|
if items then
|
|
local count = #items
|
|
for i, tuple in ipairs(items) do
|
|
local line = format_line(tuple)
|
|
if not (count == i) then
|
|
line:append(table_delim)
|
|
end
|
|
_with_0:add(line)
|
|
end
|
|
end
|
|
return _with_0
|
|
end
|
|
end,
|
|
minus = function(self, node)
|
|
return self:line("-", self:value(node[2]))
|
|
end,
|
|
temp_name = function(self, node, ...)
|
|
return node:get_name(self, ...)
|
|
end,
|
|
number = function(self, node)
|
|
return node[2]
|
|
end,
|
|
bitnot = function(self, node)
|
|
return self:line("~", self:value(node[2]))
|
|
end,
|
|
length = function(self, node)
|
|
return self:line("#", self:value(node[2]))
|
|
end,
|
|
["not"] = function(self, node)
|
|
return self:line("not ", self:value(node[2]))
|
|
end,
|
|
self = function(self, node)
|
|
return "self." .. self:name(node[2])
|
|
end,
|
|
self_class = function(self, node)
|
|
return "self.__class." .. self:name(node[2])
|
|
end,
|
|
self_colon = function(self, node)
|
|
return "self:" .. self:name(node[2])
|
|
end,
|
|
self_class_colon = function(self, node)
|
|
return "self.__class:" .. self:name(node[2])
|
|
end,
|
|
ref = function(self, value)
|
|
do
|
|
local sup = value[2] == "super" and self:get("super")
|
|
if sup then
|
|
return self:value(sup(self))
|
|
end
|
|
end
|
|
return tostring(value[2])
|
|
end,
|
|
raw_value = function(self, value)
|
|
if value == "..." then
|
|
self:send("varargs")
|
|
end
|
|
return tostring(value)
|
|
end
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.compile.statement'] = function()
|
|
local ntype
|
|
ntype = require("moonscript.types").ntype
|
|
local concat, insert
|
|
do
|
|
local _obj_0 = table
|
|
concat, insert = _obj_0.concat, _obj_0.insert
|
|
end
|
|
local unpack
|
|
unpack = require("moonscript.util").unpack
|
|
return {
|
|
raw = function(self, node)
|
|
return self:add(node[2])
|
|
end,
|
|
lines = function(self, node)
|
|
local _list_0 = node[2]
|
|
for _index_0 = 1, #_list_0 do
|
|
local line = _list_0[_index_0]
|
|
self:add(line)
|
|
end
|
|
end,
|
|
declare = function(self, node)
|
|
local names = node[2]
|
|
local undeclared = self:declare(names)
|
|
if #undeclared > 0 then
|
|
do
|
|
local _with_0 = self:line("local ")
|
|
_with_0:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #undeclared do
|
|
local name = undeclared[_index_0]
|
|
_accum_0[_len_0] = self:name(name)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), ", ")
|
|
return _with_0
|
|
end
|
|
end
|
|
end,
|
|
declare_with_shadows = function(self, node)
|
|
local names = node[2]
|
|
self:declare(names)
|
|
do
|
|
local _with_0 = self:line("local ")
|
|
_with_0:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #names do
|
|
local name = names[_index_0]
|
|
_accum_0[_len_0] = self:name(name)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), ", ")
|
|
return _with_0
|
|
end
|
|
end,
|
|
assign = function(self, node)
|
|
local names, values = unpack(node, 2)
|
|
local undeclared = self:declare(names)
|
|
local declare = "local " .. concat(undeclared, ", ")
|
|
local has_fndef = false
|
|
local i = 1
|
|
while i <= #values do
|
|
if ntype(values[i]) == "fndef" then
|
|
has_fndef = true
|
|
end
|
|
i = i + 1
|
|
end
|
|
do
|
|
local _with_0 = self:line()
|
|
if #undeclared == #names and not has_fndef then
|
|
_with_0:append(declare)
|
|
else
|
|
if #undeclared > 0 then
|
|
self:add(declare, node[-1])
|
|
end
|
|
_with_0:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #names do
|
|
local name = names[_index_0]
|
|
_accum_0[_len_0] = self:value(name)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), ", ")
|
|
end
|
|
_with_0:append(" = ")
|
|
_with_0:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #values do
|
|
local v = values[_index_0]
|
|
_accum_0[_len_0] = self:value(v)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), ", ")
|
|
return _with_0
|
|
end
|
|
end,
|
|
["return"] = function(self, node)
|
|
return self:line("return ", (function()
|
|
if node[2] ~= "" then
|
|
return self:value(node[2])
|
|
end
|
|
end)())
|
|
end,
|
|
["break"] = function(self, node)
|
|
return "break"
|
|
end,
|
|
["if"] = function(self, node)
|
|
local cond, block = node[2], node[3]
|
|
local root
|
|
do
|
|
local _with_0 = self:block(self:line("if ", self:value(cond), " then"))
|
|
_with_0:stms(block)
|
|
root = _with_0
|
|
end
|
|
local current = root
|
|
local add_clause
|
|
add_clause = function(clause)
|
|
local type = clause[1]
|
|
local i = 2
|
|
local next
|
|
if type == "else" then
|
|
next = self:block("else")
|
|
else
|
|
i = i + 1
|
|
next = self:block(self:line("elseif ", self:value(clause[2]), " then"))
|
|
end
|
|
next:stms(clause[i])
|
|
current.next = next
|
|
current = next
|
|
end
|
|
for _index_0 = 4, #node do
|
|
local cond = node[_index_0]
|
|
add_clause(cond)
|
|
end
|
|
return root
|
|
end,
|
|
["repeat"] = function(self, node)
|
|
local cond, block = unpack(node, 2)
|
|
do
|
|
local _with_0 = self:block("repeat", self:line("until ", self:value(cond)))
|
|
_with_0:stms(block)
|
|
return _with_0
|
|
end
|
|
end,
|
|
["while"] = function(self, node)
|
|
local cond, block = unpack(node, 2)
|
|
do
|
|
local _with_0 = self:block(self:line("while ", self:value(cond), " do"))
|
|
_with_0:stms(block)
|
|
return _with_0
|
|
end
|
|
end,
|
|
["for"] = function(self, node)
|
|
local name, bounds, block = unpack(node, 2)
|
|
local loop = self:line("for ", self:name(name), " = ", self:value({
|
|
"explist",
|
|
unpack(bounds)
|
|
}), " do")
|
|
do
|
|
local _with_0 = self:block(loop)
|
|
_with_0:declare({
|
|
name
|
|
})
|
|
_with_0:stms(block)
|
|
return _with_0
|
|
end
|
|
end,
|
|
foreach = function(self, node)
|
|
local names, exps, block = unpack(node, 2)
|
|
local loop
|
|
do
|
|
local _with_0 = self:line()
|
|
_with_0:append("for ")
|
|
loop = _with_0
|
|
end
|
|
do
|
|
local _with_0 = self:block(loop)
|
|
loop:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #names do
|
|
local name = names[_index_0]
|
|
_accum_0[_len_0] = _with_0:name(name, false)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), ", ")
|
|
loop:append(" in ")
|
|
loop:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #exps do
|
|
local exp = exps[_index_0]
|
|
_accum_0[_len_0] = self:value(exp)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), ",")
|
|
loop:append(" do")
|
|
_with_0:declare(names)
|
|
_with_0:stms(block)
|
|
return _with_0
|
|
end
|
|
end,
|
|
export = function(self, node)
|
|
local names = unpack(node, 2)
|
|
if type(names) == "string" then
|
|
if names == "*" then
|
|
self.export_all = true
|
|
elseif names == "^" then
|
|
self.export_proper = true
|
|
end
|
|
else
|
|
self:declare(names)
|
|
end
|
|
return nil
|
|
end,
|
|
run = function(self, code)
|
|
code:call(self)
|
|
return nil
|
|
end,
|
|
group = function(self, node)
|
|
return self:stms(node[2])
|
|
end,
|
|
["do"] = function(self, node)
|
|
do
|
|
local _with_0 = self:block()
|
|
_with_0:stms(node[2])
|
|
return _with_0
|
|
end
|
|
end,
|
|
noop = function(self) end
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.types'] = function()
|
|
local util = require("moonscript.util")
|
|
local Set
|
|
Set = require("moonscript.data").Set
|
|
local insert
|
|
insert = table.insert
|
|
local unpack
|
|
unpack = util.unpack
|
|
local manual_return = Set({
|
|
"foreach",
|
|
"for",
|
|
"while",
|
|
"return"
|
|
})
|
|
local cascading = Set({
|
|
"if",
|
|
"unless",
|
|
"with",
|
|
"switch",
|
|
"class",
|
|
"do"
|
|
})
|
|
local terminating = Set({
|
|
"return",
|
|
"break"
|
|
})
|
|
local ntype
|
|
ntype = function(node)
|
|
local _exp_0 = type(node)
|
|
if "nil" == _exp_0 then
|
|
return "nil"
|
|
elseif "table" == _exp_0 then
|
|
return node[1]
|
|
else
|
|
return "value"
|
|
end
|
|
end
|
|
local mtype
|
|
do
|
|
local moon_type = util.moon.type
|
|
mtype = function(val)
|
|
local mt = getmetatable(val)
|
|
if mt and mt.smart_node then
|
|
return "table"
|
|
end
|
|
return moon_type(val)
|
|
end
|
|
end
|
|
local value_can_be_statement
|
|
value_can_be_statement = function(node)
|
|
if not (ntype(node) == "chain") then
|
|
return false
|
|
end
|
|
return ntype(node[#node]) == "call"
|
|
end
|
|
local is_value
|
|
is_value = function(stm)
|
|
local compile = require("moonscript.compile")
|
|
local transform = require("moonscript.transform")
|
|
return compile.Block:is_value(stm) or transform.Value:can_transform(stm)
|
|
end
|
|
local value_is_singular
|
|
value_is_singular = function(node)
|
|
return type(node) ~= "table" or node[1] ~= "exp" or #node == 2
|
|
end
|
|
local is_slice
|
|
is_slice = function(node)
|
|
return ntype(node) == "chain" and ntype(node[#node]) == "slice"
|
|
end
|
|
local t = { }
|
|
local node_types = {
|
|
class = {
|
|
{
|
|
"name",
|
|
"Tmp"
|
|
},
|
|
{
|
|
"body",
|
|
t
|
|
}
|
|
},
|
|
fndef = {
|
|
{
|
|
"args",
|
|
t
|
|
},
|
|
{
|
|
"whitelist",
|
|
t
|
|
},
|
|
{
|
|
"arrow",
|
|
"slim"
|
|
},
|
|
{
|
|
"body",
|
|
t
|
|
}
|
|
},
|
|
foreach = {
|
|
{
|
|
"names",
|
|
t
|
|
},
|
|
{
|
|
"iter"
|
|
},
|
|
{
|
|
"body",
|
|
t
|
|
}
|
|
},
|
|
["for"] = {
|
|
{
|
|
"name"
|
|
},
|
|
{
|
|
"bounds",
|
|
t
|
|
},
|
|
{
|
|
"body",
|
|
t
|
|
}
|
|
},
|
|
["while"] = {
|
|
{
|
|
"cond",
|
|
t
|
|
},
|
|
{
|
|
"body",
|
|
t
|
|
}
|
|
},
|
|
assign = {
|
|
{
|
|
"names",
|
|
t
|
|
},
|
|
{
|
|
"values",
|
|
t
|
|
}
|
|
},
|
|
declare = {
|
|
{
|
|
"names",
|
|
t
|
|
}
|
|
},
|
|
["if"] = {
|
|
{
|
|
"cond",
|
|
t
|
|
},
|
|
{
|
|
"then",
|
|
t
|
|
}
|
|
}
|
|
}
|
|
local build_table
|
|
build_table = function()
|
|
local key_table = { }
|
|
for node_name, args in pairs(node_types) do
|
|
local index = { }
|
|
for i, tuple in ipairs(args) do
|
|
local prop_name = tuple[1]
|
|
index[prop_name] = i + 1
|
|
end
|
|
key_table[node_name] = index
|
|
end
|
|
return key_table
|
|
end
|
|
local key_table = build_table()
|
|
local make_builder
|
|
make_builder = function(name)
|
|
local spec = node_types[name]
|
|
if not spec then
|
|
error("don't know how to build node: " .. name)
|
|
end
|
|
return function(props)
|
|
if props == nil then
|
|
props = { }
|
|
end
|
|
local node = {
|
|
name
|
|
}
|
|
for i, arg in ipairs(spec) do
|
|
local key, default_value = unpack(arg)
|
|
local val
|
|
if props[key] then
|
|
val = props[key]
|
|
else
|
|
val = default_value
|
|
end
|
|
if val == t then
|
|
val = { }
|
|
end
|
|
node[i + 1] = val
|
|
end
|
|
return node
|
|
end
|
|
end
|
|
local build = nil
|
|
build = setmetatable({
|
|
group = function(body)
|
|
if body == nil then
|
|
body = { }
|
|
end
|
|
return {
|
|
"group",
|
|
body
|
|
}
|
|
end,
|
|
["do"] = function(body)
|
|
return {
|
|
"do",
|
|
body
|
|
}
|
|
end,
|
|
assign_one = function(name, value)
|
|
return build.assign({
|
|
names = {
|
|
name
|
|
},
|
|
values = {
|
|
value
|
|
}
|
|
})
|
|
end,
|
|
table = function(tbl)
|
|
if tbl == nil then
|
|
tbl = { }
|
|
end
|
|
for _index_0 = 1, #tbl do
|
|
local tuple = tbl[_index_0]
|
|
if type(tuple[1]) == "string" then
|
|
tuple[1] = {
|
|
"key_literal",
|
|
tuple[1]
|
|
}
|
|
end
|
|
end
|
|
return {
|
|
"table",
|
|
tbl
|
|
}
|
|
end,
|
|
block_exp = function(body)
|
|
return {
|
|
"block_exp",
|
|
body
|
|
}
|
|
end,
|
|
chain = function(parts)
|
|
local base = parts.base or error("expecting base property for chain")
|
|
if type(base) == "string" then
|
|
base = {
|
|
"ref",
|
|
base
|
|
}
|
|
end
|
|
local node = {
|
|
"chain",
|
|
base
|
|
}
|
|
for _index_0 = 1, #parts do
|
|
local part = parts[_index_0]
|
|
insert(node, part)
|
|
end
|
|
return node
|
|
end
|
|
}, {
|
|
__index = function(self, name)
|
|
self[name] = make_builder(name)
|
|
return rawget(self, name)
|
|
end
|
|
})
|
|
local smart_node_mt = setmetatable({ }, {
|
|
__index = function(self, node_type)
|
|
local index = key_table[node_type]
|
|
local mt = {
|
|
smart_node = true,
|
|
__index = function(node, key)
|
|
if index[key] then
|
|
return rawget(node, index[key])
|
|
elseif type(key) == "string" then
|
|
return error("unknown key: `" .. key .. "` on node type: `" .. ntype(node) .. "`")
|
|
end
|
|
end,
|
|
__newindex = function(node, key, value)
|
|
if index[key] then
|
|
key = index[key]
|
|
end
|
|
return rawset(node, key, value)
|
|
end
|
|
}
|
|
self[node_type] = mt
|
|
return mt
|
|
end
|
|
})
|
|
local smart_node
|
|
smart_node = function(node)
|
|
return setmetatable(node, smart_node_mt[ntype(node)])
|
|
end
|
|
local NOOP = {
|
|
"noop"
|
|
}
|
|
return {
|
|
ntype = ntype,
|
|
smart_node = smart_node,
|
|
build = build,
|
|
is_value = is_value,
|
|
is_slice = is_slice,
|
|
manual_return = manual_return,
|
|
cascading = cascading,
|
|
value_is_singular = value_is_singular,
|
|
value_can_be_statement = value_can_be_statement,
|
|
mtype = mtype,
|
|
terminating = terminating,
|
|
NOOP = NOOP
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.version'] = function()
|
|
local version = "0.5.0"
|
|
return {
|
|
version = version,
|
|
print_version = function()
|
|
return print("MoonScript version " .. tostring(version))
|
|
end
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.errors'] = function()
|
|
local util = require("moonscript.util")
|
|
local lpeg = require("lpeg")
|
|
local concat, insert
|
|
do
|
|
local _obj_0 = table
|
|
concat, insert = _obj_0.concat, _obj_0.insert
|
|
end
|
|
local split, pos_to_line
|
|
split, pos_to_line = util.split, util.pos_to_line
|
|
local user_error
|
|
user_error = function(...)
|
|
return error({
|
|
"user-error",
|
|
...
|
|
})
|
|
end
|
|
local lookup_line
|
|
lookup_line = function(fname, pos, cache)
|
|
if not cache[fname] then
|
|
do
|
|
local _with_0 = assert(io.open(fname))
|
|
cache[fname] = _with_0:read("*a")
|
|
_with_0:close()
|
|
end
|
|
end
|
|
return pos_to_line(cache[fname], pos)
|
|
end
|
|
local reverse_line_number
|
|
reverse_line_number = function(fname, line_table, line_num, cache)
|
|
for i = line_num, 0, -1 do
|
|
if line_table[i] then
|
|
return lookup_line(fname, line_table[i], cache)
|
|
end
|
|
end
|
|
return "unknown"
|
|
end
|
|
local truncate_traceback
|
|
truncate_traceback = function(traceback, chunk_func)
|
|
if chunk_func == nil then
|
|
chunk_func = "moonscript_chunk"
|
|
end
|
|
traceback = split(traceback, "\n")
|
|
local stop = #traceback
|
|
while stop > 1 do
|
|
if traceback[stop]:match(chunk_func) then
|
|
break
|
|
end
|
|
stop = stop - 1
|
|
end
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
local _max_0 = stop
|
|
for _index_0 = 1, _max_0 < 0 and #traceback + _max_0 or _max_0 do
|
|
local t = traceback[_index_0]
|
|
_accum_0[_len_0] = t
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
traceback = _accum_0
|
|
end
|
|
local rep = "function '" .. chunk_func .. "'"
|
|
traceback[#traceback] = traceback[#traceback]:gsub(rep, "main chunk")
|
|
return concat(traceback, "\n")
|
|
end
|
|
local rewrite_traceback
|
|
rewrite_traceback = function(text, err)
|
|
local line_tables = require("moonscript.line_tables")
|
|
local V, S, Ct, C
|
|
V, S, Ct, C = lpeg.V, lpeg.S, lpeg.Ct, lpeg.C
|
|
local header_text = "stack traceback:"
|
|
local Header, Line = V("Header"), V("Line")
|
|
local Break = lpeg.S("\n")
|
|
local g = lpeg.P({
|
|
Header,
|
|
Header = header_text * Break * Ct(Line ^ 1),
|
|
Line = "\t" * C((1 - Break) ^ 0) * (Break + -1)
|
|
})
|
|
local cache = { }
|
|
local rewrite_single
|
|
rewrite_single = function(trace)
|
|
local fname, line, msg = trace:match('^(.-):(%d+): (.*)$')
|
|
local tbl = line_tables["@" .. tostring(fname)]
|
|
if fname and tbl then
|
|
return concat({
|
|
fname,
|
|
":",
|
|
reverse_line_number(fname, tbl, line, cache),
|
|
": ",
|
|
"(",
|
|
line,
|
|
") ",
|
|
msg
|
|
})
|
|
else
|
|
return trace
|
|
end
|
|
end
|
|
err = rewrite_single(err)
|
|
local match = g:match(text)
|
|
if not (match) then
|
|
return nil
|
|
end
|
|
for i, trace in ipairs(match) do
|
|
match[i] = rewrite_single(trace)
|
|
end
|
|
return concat({
|
|
"moon: " .. err,
|
|
header_text,
|
|
"\t" .. concat(match, "\n\t")
|
|
}, "\n")
|
|
end
|
|
return {
|
|
rewrite_traceback = rewrite_traceback,
|
|
truncate_traceback = truncate_traceback,
|
|
user_error = user_error,
|
|
reverse_line_number = reverse_line_number
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.parse'] = function()
|
|
local debug_grammar = false
|
|
local lpeg = require("lpeg")
|
|
lpeg.setmaxstack(10000)
|
|
local err_msg = "Failed to parse:%s\n [%d] >> %s"
|
|
local Stack
|
|
Stack = require("moonscript.data").Stack
|
|
local trim, pos_to_line, get_line
|
|
do
|
|
local _obj_0 = require("moonscript.util")
|
|
trim, pos_to_line, get_line = _obj_0.trim, _obj_0.pos_to_line, _obj_0.get_line
|
|
end
|
|
local unpack
|
|
unpack = require("moonscript.util").unpack
|
|
local wrap_env
|
|
wrap_env = require("moonscript.parse.env").wrap_env
|
|
local R, S, V, P, C, Ct, Cmt, Cg, Cb, Cc
|
|
R, S, V, P, C, Ct, Cmt, Cg, Cb, Cc = lpeg.R, lpeg.S, lpeg.V, lpeg.P, lpeg.C, lpeg.Ct, lpeg.Cmt, lpeg.Cg, lpeg.Cb, lpeg.Cc
|
|
local White, Break, Stop, Comment, Space, SomeSpace, SpaceBreak, EmptyLine, AlphaNum, Num, Shebang, L, _Name
|
|
do
|
|
local _obj_0 = require("moonscript.parse.literals")
|
|
White, Break, Stop, Comment, Space, SomeSpace, SpaceBreak, EmptyLine, AlphaNum, Num, Shebang, L, _Name = _obj_0.White, _obj_0.Break, _obj_0.Stop, _obj_0.Comment, _obj_0.Space, _obj_0.SomeSpace, _obj_0.SpaceBreak, _obj_0.EmptyLine, _obj_0.AlphaNum, _obj_0.Num, _obj_0.Shebang, _obj_0.L, _obj_0.Name
|
|
end
|
|
local SpaceName = Space * _Name
|
|
Num = Space * (Num / function(v)
|
|
return {
|
|
"number",
|
|
v
|
|
}
|
|
end)
|
|
local Indent, Cut, ensure, extract_line, mark, pos, flatten_or_mark, is_assignable, check_assignable, format_assign, format_single_assign, sym, symx, simple_string, wrap_func_arg, join_chain, wrap_decorator, check_lua_string, self_assign, got
|
|
do
|
|
local _obj_0 = require("moonscript.parse.util")
|
|
Indent, Cut, ensure, extract_line, mark, pos, flatten_or_mark, is_assignable, check_assignable, format_assign, format_single_assign, sym, symx, simple_string, wrap_func_arg, join_chain, wrap_decorator, check_lua_string, self_assign, got = _obj_0.Indent, _obj_0.Cut, _obj_0.ensure, _obj_0.extract_line, _obj_0.mark, _obj_0.pos, _obj_0.flatten_or_mark, _obj_0.is_assignable, _obj_0.check_assignable, _obj_0.format_assign, _obj_0.format_single_assign, _obj_0.sym, _obj_0.symx, _obj_0.simple_string, _obj_0.wrap_func_arg, _obj_0.join_chain, _obj_0.wrap_decorator, _obj_0.check_lua_string, _obj_0.self_assign, _obj_0.got
|
|
end
|
|
local build_grammar = wrap_env(debug_grammar, function(root)
|
|
local _indent = Stack(0)
|
|
local _do_stack = Stack(0)
|
|
local state = {
|
|
last_pos = 0
|
|
}
|
|
local check_indent
|
|
check_indent = function(str, pos, indent)
|
|
state.last_pos = pos
|
|
return _indent:top() == indent
|
|
end
|
|
local advance_indent
|
|
advance_indent = function(str, pos, indent)
|
|
local top = _indent:top()
|
|
if top ~= -1 and indent > top then
|
|
_indent:push(indent)
|
|
return true
|
|
end
|
|
end
|
|
local push_indent
|
|
push_indent = function(str, pos, indent)
|
|
_indent:push(indent)
|
|
return true
|
|
end
|
|
local pop_indent
|
|
pop_indent = function()
|
|
assert(_indent:pop(), "unexpected outdent")
|
|
return true
|
|
end
|
|
local check_do
|
|
check_do = function(str, pos, do_node)
|
|
local top = _do_stack:top()
|
|
if top == nil or top then
|
|
return true, do_node
|
|
end
|
|
return false
|
|
end
|
|
local disable_do
|
|
disable_do = function()
|
|
_do_stack:push(false)
|
|
return true
|
|
end
|
|
local pop_do
|
|
pop_do = function()
|
|
assert(_do_stack:pop() ~= nil, "unexpected do pop")
|
|
return true
|
|
end
|
|
local DisableDo = Cmt("", disable_do)
|
|
local PopDo = Cmt("", pop_do)
|
|
local keywords = { }
|
|
local key
|
|
key = function(chars)
|
|
keywords[chars] = true
|
|
return Space * chars * -AlphaNum
|
|
end
|
|
local op
|
|
op = function(chars)
|
|
local patt = Space * C(chars)
|
|
if chars:match("^%w*$") then
|
|
keywords[chars] = true
|
|
patt = patt * -AlphaNum
|
|
end
|
|
return patt
|
|
end
|
|
local Name = Cmt(SpaceName, function(str, pos, name)
|
|
if keywords[name] then
|
|
return false
|
|
end
|
|
return true
|
|
end) / trim
|
|
local SelfName = Space * "@" * ("@" * (_Name / mark("self_class") + Cc("self.__class")) + _Name / mark("self") + Cc("self"))
|
|
local KeyName = SelfName + Space * _Name / mark("key_literal")
|
|
local VarArg = Space * P("...") / trim
|
|
local g = P({
|
|
root or File,
|
|
File = Shebang ^ -1 * (Block + Ct("")),
|
|
Block = Ct(Line * (Break ^ 1 * Line) ^ 0),
|
|
CheckIndent = Cmt(Indent, check_indent),
|
|
Line = (CheckIndent * Statement + Space * L(Stop)),
|
|
Statement = pos(Import + While + With + For + ForEach + Switch + Return + Local + Export + BreakLoop + Ct(ExpList) * (Update + Assign) ^ -1 / format_assign) * Space * ((key("if") * Exp * (key("else") * Exp) ^ -1 * Space / mark("if") + key("unless") * Exp / mark("unless") + CompInner / mark("comprehension")) * Space) ^ -1 / wrap_decorator,
|
|
Body = Space ^ -1 * Break * EmptyLine ^ 0 * InBlock + Ct(Statement),
|
|
Advance = L(Cmt(Indent, advance_indent)),
|
|
PushIndent = Cmt(Indent, push_indent),
|
|
PreventIndent = Cmt(Cc(-1), push_indent),
|
|
PopIndent = Cmt("", pop_indent),
|
|
InBlock = Advance * Block * PopIndent,
|
|
Local = key("local") * ((op("*") + op("^")) / mark("declare_glob") + Ct(NameList) / mark("declare_with_shadows")),
|
|
Import = key("import") * Ct(ImportNameList) * SpaceBreak ^ 0 * key("from") * Exp / mark("import"),
|
|
ImportName = (sym("\\") * Ct(Cc("colon") * Name) + Name),
|
|
ImportNameList = SpaceBreak ^ 0 * ImportName * ((SpaceBreak ^ 1 + sym(",") * SpaceBreak ^ 0) * ImportName) ^ 0,
|
|
BreakLoop = Ct(key("break") / trim) + Ct(key("continue") / trim),
|
|
Return = key("return") * (ExpListLow / mark("explist") + C("")) / mark("return"),
|
|
WithExp = Ct(ExpList) * Assign ^ -1 / format_assign,
|
|
With = key("with") * DisableDo * ensure(WithExp, PopDo) * key("do") ^ -1 * Body / mark("with"),
|
|
Switch = key("switch") * DisableDo * ensure(Exp, PopDo) * key("do") ^ -1 * Space ^ -1 * Break * SwitchBlock / mark("switch"),
|
|
SwitchBlock = EmptyLine ^ 0 * Advance * Ct(SwitchCase * (Break ^ 1 * SwitchCase) ^ 0 * (Break ^ 1 * SwitchElse) ^ -1) * PopIndent,
|
|
SwitchCase = key("when") * Ct(ExpList) * key("then") ^ -1 * Body / mark("case"),
|
|
SwitchElse = key("else") * Body / mark("else"),
|
|
IfCond = Exp * Assign ^ -1 / format_single_assign,
|
|
IfElse = (Break * EmptyLine ^ 0 * CheckIndent) ^ -1 * key("else") * Body / mark("else"),
|
|
IfElseIf = (Break * EmptyLine ^ 0 * CheckIndent) ^ -1 * key("elseif") * pos(IfCond) * key("then") ^ -1 * Body / mark("elseif"),
|
|
If = key("if") * IfCond * key("then") ^ -1 * Body * IfElseIf ^ 0 * IfElse ^ -1 / mark("if"),
|
|
Unless = key("unless") * IfCond * key("then") ^ -1 * Body * IfElseIf ^ 0 * IfElse ^ -1 / mark("unless"),
|
|
While = key("while") * DisableDo * ensure(Exp, PopDo) * key("do") ^ -1 * Body / mark("while"),
|
|
For = key("for") * DisableDo * ensure(Name * sym("=") * Ct(Exp * sym(",") * Exp * (sym(",") * Exp) ^ -1), PopDo) * key("do") ^ -1 * Body / mark("for"),
|
|
ForEach = key("for") * Ct(AssignableNameList) * key("in") * DisableDo * ensure(Ct(sym("*") * Exp / mark("unpack") + ExpList), PopDo) * key("do") ^ -1 * Body / mark("foreach"),
|
|
Do = key("do") * Body / mark("do"),
|
|
Comprehension = sym("[") * Exp * CompInner * sym("]") / mark("comprehension"),
|
|
TblComprehension = sym("{") * Ct(Exp * (sym(",") * Exp) ^ -1) * CompInner * sym("}") / mark("tblcomprehension"),
|
|
CompInner = Ct((CompForEach + CompFor) * CompClause ^ 0),
|
|
CompForEach = key("for") * Ct(AssignableNameList) * key("in") * (sym("*") * Exp / mark("unpack") + Exp) / mark("foreach"),
|
|
CompFor = key("for" * Name * sym("=") * Ct(Exp * sym(",") * Exp * (sym(",") * Exp) ^ -1) / mark("for")),
|
|
CompClause = CompFor + CompForEach + key("when") * Exp / mark("when"),
|
|
Assign = sym("=") * (Ct(With + If + Switch) + Ct(TableBlock + ExpListLow)) / mark("assign"),
|
|
Update = ((sym("..=") + sym("+=") + sym("-=") + sym("*=") + sym("/=") + sym("%=") + sym("or=") + sym("and=") + sym("&=") + sym("|=") + sym(">>=") + sym("<<=")) / trim) * Exp / mark("update"),
|
|
CharOperators = Space * C(S("+-*/%^><|&")),
|
|
WordOperators = op("or") + op("and") + op("<=") + op(">=") + op("~=") + op("!=") + op("==") + op("..") + op("<<") + op(">>") + op("//"),
|
|
BinaryOperator = (WordOperators + CharOperators) * SpaceBreak ^ 0,
|
|
Assignable = Cmt(Chain, check_assignable) + Name + SelfName,
|
|
Exp = Ct(Value * (BinaryOperator * Value) ^ 0) / flatten_or_mark("exp"),
|
|
SimpleValue = If + Unless + Switch + With + ClassDecl + ForEach + For + While + Cmt(Do, check_do) + sym("-") * -SomeSpace * Exp / mark("minus") + sym("#") * Exp / mark("length") + sym("~") * Exp / mark("bitnot") + key("not") * Exp / mark("not") + TblComprehension + TableLit + Comprehension + FunLit + Num,
|
|
ChainValue = (Chain + Callable) * Ct(InvokeArgs ^ -1) / join_chain,
|
|
Value = pos(SimpleValue + Ct(KeyValueList) / mark("table") + ChainValue + String),
|
|
SliceValue = Exp,
|
|
String = Space * DoubleString + Space * SingleString + LuaString,
|
|
SingleString = simple_string("'"),
|
|
DoubleString = simple_string('"', true),
|
|
LuaString = Cg(LuaStringOpen, "string_open") * Cb("string_open") * Break ^ -1 * C((1 - Cmt(C(LuaStringClose) * Cb("string_open"), check_lua_string)) ^ 0) * LuaStringClose / mark("string"),
|
|
LuaStringOpen = sym("[") * P("=") ^ 0 * "[" / trim,
|
|
LuaStringClose = "]" * P("=") ^ 0 * "]",
|
|
Callable = pos(Name / mark("ref")) + SelfName + VarArg + Parens / mark("parens"),
|
|
Parens = sym("(") * SpaceBreak ^ 0 * Exp * SpaceBreak ^ 0 * sym(")"),
|
|
FnArgs = symx("(") * SpaceBreak ^ 0 * Ct(FnArgsExpList ^ -1) * SpaceBreak ^ 0 * sym(")") + sym("!") * -P("=") * Ct(""),
|
|
FnArgsExpList = Exp * ((Break + sym(",")) * White * Exp) ^ 0,
|
|
Chain = (Callable + String + -S(".\\")) * ChainItems / mark("chain") + Space * (DotChainItem * ChainItems ^ -1 + ColonChain) / mark("chain"),
|
|
ChainItems = ChainItem ^ 1 * ColonChain ^ -1 + ColonChain,
|
|
ChainItem = Invoke + DotChainItem + Slice + symx("[") * Exp / mark("index") * sym("]"),
|
|
DotChainItem = symx(".") * _Name / mark("dot"),
|
|
ColonChainItem = symx("\\") * _Name / mark("colon"),
|
|
ColonChain = ColonChainItem * (Invoke * ChainItems ^ -1) ^ -1,
|
|
Slice = symx("[") * (SliceValue + Cc(1)) * sym(",") * (SliceValue + Cc("")) * (sym(",") * SliceValue) ^ -1 * sym("]") / mark("slice"),
|
|
Invoke = FnArgs / mark("call") + SingleString / wrap_func_arg + DoubleString / wrap_func_arg + L(P("[")) * LuaString / wrap_func_arg,
|
|
TableValue = KeyValue + Ct(Exp),
|
|
TableLit = sym("{") * Ct(TableValueList ^ -1 * sym(",") ^ -1 * (SpaceBreak * TableLitLine * (sym(",") ^ -1 * SpaceBreak * TableLitLine) ^ 0 * sym(",") ^ -1) ^ -1) * White * sym("}") / mark("table"),
|
|
TableValueList = TableValue * (sym(",") * TableValue) ^ 0,
|
|
TableLitLine = PushIndent * ((TableValueList * PopIndent) + (PopIndent * Cut)) + Space,
|
|
TableBlockInner = Ct(KeyValueLine * (SpaceBreak ^ 1 * KeyValueLine) ^ 0),
|
|
TableBlock = SpaceBreak ^ 1 * Advance * ensure(TableBlockInner, PopIndent) / mark("table"),
|
|
ClassDecl = key("class") * -P(":") * (Assignable + Cc(nil)) * (key("extends") * PreventIndent * ensure(Exp, PopIndent) + C("")) ^ -1 * (ClassBlock + Ct("")) / mark("class"),
|
|
ClassBlock = SpaceBreak ^ 1 * Advance * Ct(ClassLine * (SpaceBreak ^ 1 * ClassLine) ^ 0) * PopIndent,
|
|
ClassLine = CheckIndent * ((KeyValueList / mark("props") + Statement / mark("stm") + Exp / mark("stm")) * sym(",") ^ -1),
|
|
Export = key("export") * (Cc("class") * ClassDecl + op("*") + op("^") + Ct(NameList) * (sym("=") * Ct(ExpListLow)) ^ -1) / mark("export"),
|
|
KeyValue = (sym(":") * -SomeSpace * Name * lpeg.Cp()) / self_assign + Ct((KeyName + sym("[") * Exp * sym("]") + Space * DoubleString + Space * SingleString) * symx(":") * (Exp + TableBlock + SpaceBreak ^ 1 * Exp)),
|
|
KeyValueList = KeyValue * (sym(",") * KeyValue) ^ 0,
|
|
KeyValueLine = CheckIndent * KeyValueList * sym(",") ^ -1,
|
|
FnArgsDef = sym("(") * White * Ct(FnArgDefList ^ -1) * (key("using") * Ct(NameList + Space * "nil") + Ct("")) * White * sym(")") + Ct("") * Ct(""),
|
|
FnArgDefList = FnArgDef * ((sym(",") + Break) * White * FnArgDef) ^ 0 * ((sym(",") + Break) * White * Ct(VarArg)) ^ 0 + Ct(VarArg),
|
|
FnArgDef = Ct((Name + SelfName) * (sym("=") * Exp) ^ -1),
|
|
FunLit = FnArgsDef * (sym("->") * Cc("slim") + sym("=>") * Cc("fat")) * (Body + Ct("")) / mark("fndef"),
|
|
NameList = Name * (sym(",") * Name) ^ 0,
|
|
NameOrDestructure = Name + TableLit,
|
|
AssignableNameList = NameOrDestructure * (sym(",") * NameOrDestructure) ^ 0,
|
|
ExpList = Exp * (sym(",") * Exp) ^ 0,
|
|
ExpListLow = Exp * ((sym(",") + sym(";")) * Exp) ^ 0,
|
|
InvokeArgs = -P("-") * (ExpList * (sym(",") * (TableBlock + SpaceBreak * Advance * ArgBlock * TableBlock ^ -1) + TableBlock) ^ -1 + TableBlock),
|
|
ArgBlock = ArgLine * (sym(",") * SpaceBreak * ArgLine) ^ 0 * PopIndent,
|
|
ArgLine = CheckIndent * ExpList
|
|
})
|
|
return g, state
|
|
end)
|
|
local file_parser
|
|
file_parser = function()
|
|
local g, state = build_grammar()
|
|
local file_grammar = White * g * White * -1
|
|
return {
|
|
match = function(self, str)
|
|
local tree
|
|
local _, err = xpcall((function()
|
|
tree = file_grammar:match(str)
|
|
end), function(err)
|
|
return debug.traceback(err, 2)
|
|
end)
|
|
if type(err) == "string" then
|
|
return nil, err
|
|
end
|
|
if not (tree) then
|
|
local msg
|
|
local err_pos = state.last_pos
|
|
if err then
|
|
local node
|
|
node, msg = unpack(err)
|
|
if msg then
|
|
msg = " " .. msg
|
|
end
|
|
err_pos = node[-1]
|
|
end
|
|
local line_no = pos_to_line(str, err_pos)
|
|
local line_str = get_line(str, line_no) or ""
|
|
return nil, err_msg:format(msg or "", line_no, trim(line_str))
|
|
end
|
|
return tree
|
|
end
|
|
}
|
|
end
|
|
return {
|
|
extract_line = extract_line,
|
|
build_grammar = build_grammar,
|
|
string = function(str)
|
|
return file_parser():match(str)
|
|
end
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.base'] = function()
|
|
local compile = require("moonscript.compile")
|
|
local parse = require("moonscript.parse")
|
|
local concat, insert, remove
|
|
do
|
|
local _obj_0 = table
|
|
concat, insert, remove = _obj_0.concat, _obj_0.insert, _obj_0.remove
|
|
end
|
|
local split, dump, get_options, unpack
|
|
do
|
|
local _obj_0 = require("moonscript.util")
|
|
split, dump, get_options, unpack = _obj_0.split, _obj_0.dump, _obj_0.get_options, _obj_0.unpack
|
|
end
|
|
local lua = {
|
|
loadstring = loadstring,
|
|
load = load
|
|
}
|
|
local dirsep, line_tables, create_moonpath, to_lua, loadstring, loadfile, dofile
|
|
dirsep = "/"
|
|
line_tables = require("moonscript.line_tables")
|
|
create_moonpath = function(package_path)
|
|
local moonpaths
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
local _list_0 = split(package_path, ";")
|
|
for _index_0 = 1, #_list_0 do
|
|
local _continue_0 = false
|
|
repeat
|
|
local path = _list_0[_index_0]
|
|
local prefix = path:match("^(.-)%.lua$")
|
|
if not (prefix) then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
local _value_0 = prefix .. ".moon"
|
|
_accum_0[_len_0] = _value_0
|
|
_len_0 = _len_0 + 1
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
moonpaths = _accum_0
|
|
end
|
|
return concat(moonpaths, ";")
|
|
end
|
|
to_lua = function(text, options)
|
|
if options == nil then
|
|
options = { }
|
|
end
|
|
if "string" ~= type(text) then
|
|
local t = type(text)
|
|
return nil, "expecting string (got " .. t .. ")"
|
|
end
|
|
local tree, err = parse.string(text)
|
|
if not tree then
|
|
return nil, err
|
|
end
|
|
local code, ltable, pos = compile.tree(tree, options)
|
|
if not code then
|
|
return nil, compile.format_error(ltable, pos, text)
|
|
end
|
|
return code, ltable
|
|
end
|
|
loadstring = function(...)
|
|
local options, str, chunk_name, mode, env = get_options(...)
|
|
chunk_name = chunk_name or "=(moonscript.loadstring)"
|
|
local code, ltable_or_err = to_lua(str, options)
|
|
if not (code) then
|
|
return nil, ltable_or_err
|
|
end
|
|
if chunk_name then
|
|
line_tables[chunk_name] = ltable_or_err
|
|
end
|
|
return (lua.loadstring or lua.load)(code, chunk_name, unpack({
|
|
mode,
|
|
env
|
|
}))
|
|
end
|
|
loadfile = function(fname, ...)
|
|
local file, err = io.open(fname)
|
|
if not (file) then
|
|
return nil, err
|
|
end
|
|
local text = assert(file:read("*a"))
|
|
file:close()
|
|
return loadstring(text, "@" .. tostring(fname), ...)
|
|
end
|
|
dofile = function(...)
|
|
local f = assert(loadfile(...))
|
|
return f()
|
|
end
|
|
return {
|
|
_NAME = "moonscript",
|
|
to_lua = to_lua,
|
|
dirsep = dirsep,
|
|
dofile = dofile,
|
|
loadfile = loadfile,
|
|
loadstring = loadstring,
|
|
create_moonpath = create_moonpath
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.compile'] = function()
|
|
local util = require("moonscript.util")
|
|
local dump = require("moonscript.dump")
|
|
local transform = require("moonscript.transform")
|
|
local NameProxy, LocalName
|
|
do
|
|
local _obj_0 = require("moonscript.transform.names")
|
|
NameProxy, LocalName = _obj_0.NameProxy, _obj_0.LocalName
|
|
end
|
|
local Set
|
|
Set = require("moonscript.data").Set
|
|
local ntype, value_can_be_statement
|
|
do
|
|
local _obj_0 = require("moonscript.types")
|
|
ntype, value_can_be_statement = _obj_0.ntype, _obj_0.value_can_be_statement
|
|
end
|
|
local statement_compilers = require("moonscript.compile.statement")
|
|
local value_compilers = require("moonscript.compile.value")
|
|
local concat, insert
|
|
do
|
|
local _obj_0 = table
|
|
concat, insert = _obj_0.concat, _obj_0.insert
|
|
end
|
|
local pos_to_line, get_closest_line, trim, unpack
|
|
pos_to_line, get_closest_line, trim, unpack = util.pos_to_line, util.get_closest_line, util.trim, util.unpack
|
|
local mtype = util.moon.type
|
|
local indent_char = " "
|
|
local Line, DelayedLine, Lines, Block, RootBlock
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
mark_pos = function(self, pos, line)
|
|
if line == nil then
|
|
line = #self
|
|
end
|
|
if not (self.posmap[line]) then
|
|
self.posmap[line] = pos
|
|
end
|
|
end,
|
|
add = function(self, item)
|
|
local _exp_0 = mtype(item)
|
|
if Line == _exp_0 then
|
|
item:render(self)
|
|
elseif Block == _exp_0 then
|
|
item:render(self)
|
|
else
|
|
self[#self + 1] = item
|
|
end
|
|
return self
|
|
end,
|
|
flatten_posmap = function(self, line_no, out)
|
|
if line_no == nil then
|
|
line_no = 0
|
|
end
|
|
if out == nil then
|
|
out = { }
|
|
end
|
|
local posmap = self.posmap
|
|
for i, l in ipairs(self) do
|
|
local _exp_0 = mtype(l)
|
|
if "string" == _exp_0 or DelayedLine == _exp_0 then
|
|
line_no = line_no + 1
|
|
out[line_no] = posmap[i]
|
|
for _ in l:gmatch("\n") do
|
|
line_no = line_no + 1
|
|
end
|
|
out[line_no] = posmap[i]
|
|
elseif Lines == _exp_0 then
|
|
local _
|
|
_, line_no = l:flatten_posmap(line_no, out)
|
|
else
|
|
error("Unknown item in Lines: " .. tostring(l))
|
|
end
|
|
end
|
|
return out, line_no
|
|
end,
|
|
flatten = function(self, indent, buffer)
|
|
if indent == nil then
|
|
indent = nil
|
|
end
|
|
if buffer == nil then
|
|
buffer = { }
|
|
end
|
|
for i = 1, #self do
|
|
local l = self[i]
|
|
local t = mtype(l)
|
|
if t == DelayedLine then
|
|
l = l:render()
|
|
t = "string"
|
|
end
|
|
local _exp_0 = t
|
|
if "string" == _exp_0 then
|
|
if indent then
|
|
insert(buffer, indent)
|
|
end
|
|
insert(buffer, l)
|
|
if "string" == type(self[i + 1]) then
|
|
local lc = l:sub(-1)
|
|
if (lc == ")" or lc == "]") and self[i + 1]:sub(1, 1) == "(" then
|
|
insert(buffer, ";")
|
|
end
|
|
end
|
|
insert(buffer, "\n")
|
|
elseif Lines == _exp_0 then
|
|
l:flatten(indent and indent .. indent_char or indent_char, buffer)
|
|
else
|
|
error("Unknown item in Lines: " .. tostring(l))
|
|
end
|
|
end
|
|
return buffer
|
|
end,
|
|
__tostring = function(self)
|
|
local strip
|
|
strip = function(t)
|
|
if "table" == type(t) then
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #t do
|
|
local v = t[_index_0]
|
|
_accum_0[_len_0] = strip(v)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
else
|
|
return t
|
|
end
|
|
end
|
|
return "Lines<" .. tostring(util.dump(strip(self)):sub(1, -2)) .. ">"
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self)
|
|
self.posmap = { }
|
|
end,
|
|
__base = _base_0,
|
|
__name = "Lines"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Lines = _class_0
|
|
end
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
pos = nil,
|
|
append_list = function(self, items, delim)
|
|
for i = 1, #items do
|
|
self:append(items[i])
|
|
if i < #items then
|
|
insert(self, delim)
|
|
end
|
|
end
|
|
return nil
|
|
end,
|
|
append = function(self, first, ...)
|
|
if Line == mtype(first) then
|
|
if not (self.pos) then
|
|
self.pos = first.pos
|
|
end
|
|
for _index_0 = 1, #first do
|
|
local value = first[_index_0]
|
|
self:append(value)
|
|
end
|
|
else
|
|
insert(self, first)
|
|
end
|
|
if ... then
|
|
return self:append(...)
|
|
end
|
|
end,
|
|
render = function(self, buffer)
|
|
local current = { }
|
|
local add_current
|
|
add_current = function()
|
|
buffer:add(concat(current))
|
|
return buffer:mark_pos(self.pos)
|
|
end
|
|
for _index_0 = 1, #self do
|
|
local chunk = self[_index_0]
|
|
local _exp_0 = mtype(chunk)
|
|
if Block == _exp_0 then
|
|
local _list_0 = chunk:render(Lines())
|
|
for _index_1 = 1, #_list_0 do
|
|
local block_chunk = _list_0[_index_1]
|
|
if "string" == type(block_chunk) then
|
|
insert(current, block_chunk)
|
|
else
|
|
add_current()
|
|
buffer:add(block_chunk)
|
|
current = { }
|
|
end
|
|
end
|
|
else
|
|
insert(current, chunk)
|
|
end
|
|
end
|
|
if current[1] then
|
|
add_current()
|
|
end
|
|
return buffer
|
|
end,
|
|
__tostring = function(self)
|
|
return "Line<" .. tostring(util.dump(self):sub(1, -2)) .. ">"
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function() end,
|
|
__base = _base_0,
|
|
__name = "Line"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Line = _class_0
|
|
end
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
prepare = function() end,
|
|
render = function(self)
|
|
self:prepare()
|
|
return concat(self)
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, fn)
|
|
self.prepare = fn
|
|
end,
|
|
__base = _base_0,
|
|
__name = "DelayedLine"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
DelayedLine = _class_0
|
|
end
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
header = "do",
|
|
footer = "end",
|
|
export_all = false,
|
|
export_proper = false,
|
|
value_compilers = value_compilers,
|
|
statement_compilers = statement_compilers,
|
|
__tostring = function(self)
|
|
local h
|
|
if "string" == type(self.header) then
|
|
h = self.header
|
|
else
|
|
h = unpack(self.header:render({ }))
|
|
end
|
|
return "Block<" .. tostring(h) .. "> <- " .. tostring(self.parent)
|
|
end,
|
|
set = function(self, name, value)
|
|
self._state[name] = value
|
|
end,
|
|
get = function(self, name)
|
|
return self._state[name]
|
|
end,
|
|
get_current = function(self, name)
|
|
return rawget(self._state, name)
|
|
end,
|
|
listen = function(self, name, fn)
|
|
self._listeners[name] = fn
|
|
end,
|
|
unlisten = function(self, name)
|
|
self._listeners[name] = nil
|
|
end,
|
|
send = function(self, name, ...)
|
|
do
|
|
local fn = self._listeners[name]
|
|
if fn then
|
|
return fn(self, ...)
|
|
end
|
|
end
|
|
end,
|
|
extract_assign_name = function(self, node)
|
|
local is_local = false
|
|
local real_name
|
|
local _exp_0 = mtype(node)
|
|
if LocalName == _exp_0 then
|
|
is_local = true
|
|
real_name = node:get_name(self)
|
|
elseif NameProxy == _exp_0 then
|
|
real_name = node:get_name(self)
|
|
elseif "table" == _exp_0 then
|
|
real_name = node[1] == "ref" and node[2]
|
|
elseif "string" == _exp_0 then
|
|
real_name = node
|
|
end
|
|
return real_name, is_local
|
|
end,
|
|
declare = function(self, names)
|
|
local undeclared
|
|
do
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #names do
|
|
local _continue_0 = false
|
|
repeat
|
|
local name = names[_index_0]
|
|
local real_name, is_local = self:extract_assign_name(name)
|
|
if not (is_local or real_name and not self:has_name(real_name, true)) then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
self:put_name(real_name)
|
|
if self:name_exported(real_name) then
|
|
_continue_0 = true
|
|
break
|
|
end
|
|
local _value_0 = real_name
|
|
_accum_0[_len_0] = _value_0
|
|
_len_0 = _len_0 + 1
|
|
_continue_0 = true
|
|
until true
|
|
if not _continue_0 then
|
|
break
|
|
end
|
|
end
|
|
undeclared = _accum_0
|
|
end
|
|
return undeclared
|
|
end,
|
|
whitelist_names = function(self, names)
|
|
self._name_whitelist = Set(names)
|
|
end,
|
|
name_exported = function(self, name)
|
|
if self.export_all then
|
|
return true
|
|
end
|
|
if self.export_proper and name:match("^%u") then
|
|
return true
|
|
end
|
|
end,
|
|
put_name = function(self, name, ...)
|
|
local value = ...
|
|
if select("#", ...) == 0 then
|
|
value = true
|
|
end
|
|
if NameProxy == mtype(name) then
|
|
name = name:get_name(self)
|
|
end
|
|
self._names[name] = value
|
|
end,
|
|
has_name = function(self, name, skip_exports)
|
|
if not skip_exports and self:name_exported(name) then
|
|
return true
|
|
end
|
|
local yes = self._names[name]
|
|
if yes == nil and self.parent then
|
|
if not self._name_whitelist or self._name_whitelist[name] then
|
|
return self.parent:has_name(name, true)
|
|
end
|
|
else
|
|
return yes
|
|
end
|
|
end,
|
|
is_local = function(self, node)
|
|
local t = mtype(node)
|
|
if t == "string" then
|
|
return self:has_name(node, false)
|
|
end
|
|
if t == NameProxy or t == LocalName then
|
|
return true
|
|
end
|
|
if t == "table" then
|
|
if node[1] == "ref" or (node[1] == "chain" and #node == 2) then
|
|
return self:is_local(node[2])
|
|
end
|
|
end
|
|
return false
|
|
end,
|
|
free_name = function(self, prefix, dont_put)
|
|
prefix = prefix or "moon"
|
|
local searching = true
|
|
local name, i = nil, 0
|
|
while searching do
|
|
name = concat({
|
|
"",
|
|
prefix,
|
|
i
|
|
}, "_")
|
|
i = i + 1
|
|
searching = self:has_name(name, true)
|
|
end
|
|
if not dont_put then
|
|
self:put_name(name)
|
|
end
|
|
return name
|
|
end,
|
|
init_free_var = function(self, prefix, value)
|
|
local name = self:free_name(prefix, true)
|
|
self:stm({
|
|
"assign",
|
|
{
|
|
name
|
|
},
|
|
{
|
|
value
|
|
}
|
|
})
|
|
return name
|
|
end,
|
|
add = function(self, item, pos)
|
|
do
|
|
local _with_0 = self._lines
|
|
_with_0:add(item)
|
|
if pos then
|
|
_with_0:mark_pos(pos)
|
|
end
|
|
end
|
|
return item
|
|
end,
|
|
render = function(self, buffer)
|
|
buffer:add(self.header)
|
|
buffer:mark_pos(self.pos)
|
|
if self.next then
|
|
buffer:add(self._lines)
|
|
self.next:render(buffer)
|
|
else
|
|
if #self._lines == 0 and "string" == type(buffer[#buffer]) then
|
|
buffer[#buffer] = buffer[#buffer] .. (" " .. (unpack(Lines():add(self.footer))))
|
|
else
|
|
buffer:add(self._lines)
|
|
buffer:add(self.footer)
|
|
buffer:mark_pos(self.pos)
|
|
end
|
|
end
|
|
return buffer
|
|
end,
|
|
block = function(self, header, footer)
|
|
return Block(self, header, footer)
|
|
end,
|
|
line = function(self, ...)
|
|
do
|
|
local _with_0 = Line()
|
|
_with_0:append(...)
|
|
return _with_0
|
|
end
|
|
end,
|
|
is_stm = function(self, node)
|
|
return self.statement_compilers[ntype(node)] ~= nil
|
|
end,
|
|
is_value = function(self, node)
|
|
local t = ntype(node)
|
|
return self.value_compilers[t] ~= nil or t == "value"
|
|
end,
|
|
name = function(self, node, ...)
|
|
if type(node) == "string" then
|
|
return node
|
|
else
|
|
return self:value(node, ...)
|
|
end
|
|
end,
|
|
value = function(self, node, ...)
|
|
node = self.transform.value(node)
|
|
local action
|
|
if type(node) ~= "table" then
|
|
action = "raw_value"
|
|
else
|
|
action = node[1]
|
|
end
|
|
local fn = self.value_compilers[action]
|
|
if not (fn) then
|
|
error({
|
|
"compile-error",
|
|
"Failed to find value compiler for: " .. dump.value(node),
|
|
node[-1]
|
|
})
|
|
end
|
|
local out = fn(self, node, ...)
|
|
if type(node) == "table" and node[-1] then
|
|
if type(out) == "string" then
|
|
do
|
|
local _with_0 = Line()
|
|
_with_0:append(out)
|
|
out = _with_0
|
|
end
|
|
end
|
|
out.pos = node[-1]
|
|
end
|
|
return out
|
|
end,
|
|
values = function(self, values, delim)
|
|
delim = delim or ', '
|
|
do
|
|
local _with_0 = Line()
|
|
_with_0:append_list((function()
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
for _index_0 = 1, #values do
|
|
local v = values[_index_0]
|
|
_accum_0[_len_0] = self:value(v)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(), delim)
|
|
return _with_0
|
|
end
|
|
end,
|
|
stm = function(self, node, ...)
|
|
if not node then
|
|
return
|
|
end
|
|
node = self.transform.statement(node)
|
|
local result
|
|
do
|
|
local fn = self.statement_compilers[ntype(node)]
|
|
if fn then
|
|
result = fn(self, node, ...)
|
|
else
|
|
if value_can_be_statement(node) then
|
|
result = self:value(node)
|
|
else
|
|
result = self:stm({
|
|
"assign",
|
|
{
|
|
"_"
|
|
},
|
|
{
|
|
node
|
|
}
|
|
})
|
|
end
|
|
end
|
|
end
|
|
if result then
|
|
if type(node) == "table" and type(result) == "table" and node[-1] then
|
|
result.pos = node[-1]
|
|
end
|
|
self:add(result)
|
|
end
|
|
return nil
|
|
end,
|
|
stms = function(self, stms, ret)
|
|
if ret then
|
|
error("deprecated stms call, use transformer")
|
|
end
|
|
local current_stms, current_stm_i
|
|
current_stms, current_stm_i = self.current_stms, self.current_stm_i
|
|
self.current_stms = stms
|
|
for i = 1, #stms do
|
|
self.current_stm_i = i
|
|
self:stm(stms[i])
|
|
end
|
|
self.current_stms = current_stms
|
|
self.current_stm_i = current_stm_i
|
|
return nil
|
|
end,
|
|
splice = function(self, fn)
|
|
local lines = {
|
|
"lines",
|
|
self._lines
|
|
}
|
|
self._lines = Lines()
|
|
return self:stms(fn(lines))
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, parent, header, footer)
|
|
self.parent, self.header, self.footer = parent, header, footer
|
|
self._lines = Lines()
|
|
self._names = { }
|
|
self._state = { }
|
|
self._listeners = { }
|
|
do
|
|
self.transform = {
|
|
value = transform.Value:bind(self),
|
|
statement = transform.Statement:bind(self)
|
|
}
|
|
end
|
|
if self.parent then
|
|
self.root = self.parent.root
|
|
self.indent = self.parent.indent + 1
|
|
setmetatable(self._state, {
|
|
__index = self.parent._state
|
|
})
|
|
return setmetatable(self._listeners, {
|
|
__index = self.parent._listeners
|
|
})
|
|
else
|
|
self.indent = 0
|
|
end
|
|
end,
|
|
__base = _base_0,
|
|
__name = "Block"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Block = _class_0
|
|
end
|
|
do
|
|
local _class_0
|
|
local _parent_0 = Block
|
|
local _base_0 = {
|
|
__tostring = function(self)
|
|
return "RootBlock<>"
|
|
end,
|
|
root_stms = function(self, stms)
|
|
if not (self.options.implicitly_return_root == false) then
|
|
stms = transform.Statement.transformers.root_stms(self, stms)
|
|
end
|
|
return self:stms(stms)
|
|
end,
|
|
render = function(self)
|
|
local buffer = self._lines:flatten()
|
|
if buffer[#buffer] == "\n" then
|
|
buffer[#buffer] = nil
|
|
end
|
|
return table.concat(buffer)
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
setmetatable(_base_0, _parent_0.__base)
|
|
_class_0 = setmetatable({
|
|
__init = function(self, options)
|
|
self.options = options
|
|
self.root = self
|
|
return _class_0.__parent.__init(self)
|
|
end,
|
|
__base = _base_0,
|
|
__name = "RootBlock",
|
|
__parent = _parent_0
|
|
}, {
|
|
__index = function(cls, name)
|
|
local val = rawget(_base_0, name)
|
|
if val == nil then
|
|
local parent = rawget(cls, "__parent")
|
|
if parent then
|
|
return parent[name]
|
|
end
|
|
else
|
|
return val
|
|
end
|
|
end,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
if _parent_0.__inherited then
|
|
_parent_0.__inherited(_parent_0, _class_0)
|
|
end
|
|
RootBlock = _class_0
|
|
end
|
|
local format_error
|
|
format_error = function(msg, pos, file_str)
|
|
local line_message
|
|
if pos then
|
|
local line = pos_to_line(file_str, pos)
|
|
local line_str
|
|
line_str, line = get_closest_line(file_str, line)
|
|
line_str = line_str or ""
|
|
line_message = (" [%d] >> %s"):format(line, trim(line_str))
|
|
end
|
|
return concat({
|
|
"Compile error: " .. msg,
|
|
line_message
|
|
}, "\n")
|
|
end
|
|
local value
|
|
value = function(value)
|
|
local out = nil
|
|
do
|
|
local _with_0 = RootBlock()
|
|
_with_0:add(_with_0:value(value))
|
|
out = _with_0:render()
|
|
end
|
|
return out
|
|
end
|
|
local tree
|
|
tree = function(tree, options)
|
|
if options == nil then
|
|
options = { }
|
|
end
|
|
assert(tree, "missing tree")
|
|
local scope = (options.scope or RootBlock)(options)
|
|
local runner = coroutine.create(function()
|
|
return scope:root_stms(tree)
|
|
end)
|
|
local success, err = coroutine.resume(runner)
|
|
if not (success) then
|
|
local error_msg, error_pos
|
|
if type(err) == "table" then
|
|
local _exp_0 = err[1]
|
|
if "user-error" == _exp_0 or "compile-error" == _exp_0 then
|
|
error_msg, error_pos = unpack(err, 2)
|
|
else
|
|
error_msg, error_pos = error("Unknown error thrown", util.dump(error_msg))
|
|
end
|
|
else
|
|
error_msg, error_pos = concat({
|
|
err,
|
|
debug.traceback(runner)
|
|
}, "\n")
|
|
end
|
|
return nil, error_msg, error_pos or scope.last_pos
|
|
end
|
|
local lua_code = scope:render()
|
|
local posmap = scope._lines:flatten_posmap()
|
|
return lua_code, posmap
|
|
end
|
|
do
|
|
local data = require("moonscript.data")
|
|
for name, cls in pairs({
|
|
Line = Line,
|
|
Lines = Lines,
|
|
DelayedLine = DelayedLine
|
|
}) do
|
|
data[name] = cls
|
|
end
|
|
end
|
|
return {
|
|
tree = tree,
|
|
value = value,
|
|
format_error = format_error,
|
|
Block = Block,
|
|
RootBlock = RootBlock
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.parse.util'] = function()
|
|
local unpack
|
|
unpack = require("moonscript.util").unpack
|
|
local P, C, S, Cp, Cmt, V
|
|
do
|
|
local _obj_0 = require("lpeg")
|
|
P, C, S, Cp, Cmt, V = _obj_0.P, _obj_0.C, _obj_0.S, _obj_0.Cp, _obj_0.Cmt, _obj_0.V
|
|
end
|
|
local ntype
|
|
ntype = require("moonscript.types").ntype
|
|
local Space
|
|
Space = require("moonscript.parse.literals").Space
|
|
local Indent = C(S("\t ") ^ 0) / function(str)
|
|
do
|
|
local sum = 0
|
|
for v in str:gmatch("[\t ]") do
|
|
local _exp_0 = v
|
|
if " " == _exp_0 then
|
|
sum = sum + 1
|
|
elseif "\t" == _exp_0 then
|
|
sum = sum + 4
|
|
end
|
|
end
|
|
return sum
|
|
end
|
|
end
|
|
local Cut = P(function()
|
|
return false
|
|
end)
|
|
local ensure
|
|
ensure = function(patt, finally)
|
|
return patt * finally + finally * Cut
|
|
end
|
|
local extract_line
|
|
extract_line = function(str, start_pos)
|
|
str = str:sub(start_pos)
|
|
do
|
|
local m = str:match("^(.-)\n")
|
|
if m then
|
|
return m
|
|
end
|
|
end
|
|
return str:match("^.-$")
|
|
end
|
|
local show_line_position
|
|
show_line_position = function(str, pos, context)
|
|
if context == nil then
|
|
context = true
|
|
end
|
|
local lines = {
|
|
{ }
|
|
}
|
|
for c in str:gmatch(".") do
|
|
lines[#lines] = lines[#lines] or { }
|
|
table.insert(lines[#lines], c)
|
|
if c == "\n" then
|
|
lines[#lines + 1] = { }
|
|
end
|
|
end
|
|
for i, line in ipairs(lines) do
|
|
lines[i] = table.concat(line)
|
|
end
|
|
local out
|
|
local remaining = pos - 1
|
|
for k, line in ipairs(lines) do
|
|
if remaining < #line then
|
|
local left = line:sub(1, remaining)
|
|
local right = line:sub(remaining + 1)
|
|
out = {
|
|
tostring(left) .. "◉" .. tostring(right)
|
|
}
|
|
if context then
|
|
do
|
|
local before = lines[k - 1]
|
|
if before then
|
|
table.insert(out, 1, before)
|
|
end
|
|
end
|
|
do
|
|
local after = lines[k + 1]
|
|
if after then
|
|
table.insert(out, after)
|
|
end
|
|
end
|
|
end
|
|
break
|
|
else
|
|
remaining = remaining - #line
|
|
end
|
|
end
|
|
if not (out) then
|
|
return "-"
|
|
end
|
|
out = table.concat(out)
|
|
return (out:gsub("\n*$", ""))
|
|
end
|
|
local mark
|
|
mark = function(name)
|
|
return function(...)
|
|
return {
|
|
name,
|
|
...
|
|
}
|
|
end
|
|
end
|
|
local pos
|
|
pos = function(patt)
|
|
return (Cp() * patt) / function(pos, value)
|
|
if type(value) == "table" then
|
|
value[-1] = pos
|
|
end
|
|
return value
|
|
end
|
|
end
|
|
local got
|
|
got = function(what, context)
|
|
if context == nil then
|
|
context = true
|
|
end
|
|
return Cmt("", function(str, pos)
|
|
print("++ got " .. tostring(what), "[" .. tostring(show_line_position(str, pos, context)) .. "]")
|
|
return true
|
|
end)
|
|
end
|
|
local flatten_or_mark
|
|
flatten_or_mark = function(name)
|
|
return function(tbl)
|
|
if #tbl == 1 then
|
|
return tbl[1]
|
|
end
|
|
table.insert(tbl, 1, name)
|
|
return tbl
|
|
end
|
|
end
|
|
local is_assignable
|
|
do
|
|
local chain_assignable = {
|
|
index = true,
|
|
dot = true,
|
|
slice = true
|
|
}
|
|
is_assignable = function(node)
|
|
if node == "..." then
|
|
return false
|
|
end
|
|
local _exp_0 = ntype(node)
|
|
if "ref" == _exp_0 or "self" == _exp_0 or "value" == _exp_0 or "self_class" == _exp_0 or "table" == _exp_0 then
|
|
return true
|
|
elseif "chain" == _exp_0 then
|
|
return chain_assignable[ntype(node[#node])]
|
|
else
|
|
return false
|
|
end
|
|
end
|
|
end
|
|
local check_assignable
|
|
check_assignable = function(str, pos, value)
|
|
if is_assignable(value) then
|
|
return true, value
|
|
else
|
|
return false
|
|
end
|
|
end
|
|
local format_assign
|
|
do
|
|
local flatten_explist = flatten_or_mark("explist")
|
|
format_assign = function(lhs_exps, assign)
|
|
if not (assign) then
|
|
return flatten_explist(lhs_exps)
|
|
end
|
|
for _index_0 = 1, #lhs_exps do
|
|
local assign_exp = lhs_exps[_index_0]
|
|
if not (is_assignable(assign_exp)) then
|
|
error({
|
|
assign_exp,
|
|
"left hand expression is not assignable"
|
|
})
|
|
end
|
|
end
|
|
local t = ntype(assign)
|
|
local _exp_0 = t
|
|
if "assign" == _exp_0 then
|
|
return {
|
|
"assign",
|
|
lhs_exps,
|
|
unpack(assign, 2)
|
|
}
|
|
elseif "update" == _exp_0 then
|
|
return {
|
|
"update",
|
|
lhs_exps[1],
|
|
unpack(assign, 2)
|
|
}
|
|
else
|
|
return error("unknown assign expression: " .. tostring(t))
|
|
end
|
|
end
|
|
end
|
|
local format_single_assign
|
|
format_single_assign = function(lhs, assign)
|
|
if assign then
|
|
return format_assign({
|
|
lhs
|
|
}, assign)
|
|
else
|
|
return lhs
|
|
end
|
|
end
|
|
local sym
|
|
sym = function(chars)
|
|
return Space * chars
|
|
end
|
|
local symx
|
|
symx = function(chars)
|
|
return chars
|
|
end
|
|
local simple_string
|
|
simple_string = function(delim, allow_interpolation)
|
|
local inner = P("\\" .. tostring(delim)) + "\\\\" + (1 - P(delim))
|
|
if allow_interpolation then
|
|
local interp = symx('#{') * V("Exp") * sym('}')
|
|
inner = (C((inner - interp) ^ 1) + interp / mark("interpolate")) ^ 0
|
|
else
|
|
inner = C(inner ^ 0)
|
|
end
|
|
return C(symx(delim)) * inner * sym(delim) / mark("string")
|
|
end
|
|
local wrap_func_arg
|
|
wrap_func_arg = function(value)
|
|
return {
|
|
"call",
|
|
{
|
|
value
|
|
}
|
|
}
|
|
end
|
|
local join_chain
|
|
join_chain = function(callee, args)
|
|
if #args == 0 then
|
|
return callee
|
|
end
|
|
args = {
|
|
"call",
|
|
args
|
|
}
|
|
if ntype(callee) == "chain" then
|
|
table.insert(callee, args)
|
|
return callee
|
|
end
|
|
return {
|
|
"chain",
|
|
callee,
|
|
args
|
|
}
|
|
end
|
|
local wrap_decorator
|
|
wrap_decorator = function(stm, dec)
|
|
if not (dec) then
|
|
return stm
|
|
end
|
|
return {
|
|
"decorated",
|
|
stm,
|
|
dec
|
|
}
|
|
end
|
|
local check_lua_string
|
|
check_lua_string = function(str, pos, right, left)
|
|
return #left == #right
|
|
end
|
|
local self_assign
|
|
self_assign = function(name, pos)
|
|
return {
|
|
{
|
|
"key_literal",
|
|
name
|
|
},
|
|
{
|
|
"ref",
|
|
name,
|
|
[-1] = pos
|
|
}
|
|
}
|
|
end
|
|
return {
|
|
Indent = Indent,
|
|
Cut = Cut,
|
|
ensure = ensure,
|
|
extract_line = extract_line,
|
|
mark = mark,
|
|
pos = pos,
|
|
flatten_or_mark = flatten_or_mark,
|
|
is_assignable = is_assignable,
|
|
check_assignable = check_assignable,
|
|
format_assign = format_assign,
|
|
format_single_assign = format_single_assign,
|
|
sym = sym,
|
|
symx = symx,
|
|
simple_string = simple_string,
|
|
wrap_func_arg = wrap_func_arg,
|
|
join_chain = join_chain,
|
|
wrap_decorator = wrap_decorator,
|
|
check_lua_string = check_lua_string,
|
|
self_assign = self_assign,
|
|
got = got,
|
|
show_line_position = show_line_position
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.parse.literals'] = function()
|
|
local safe_module
|
|
safe_module = require("moonscript.util").safe_module
|
|
local S, P, R, C
|
|
do
|
|
local _obj_0 = require("lpeg")
|
|
S, P, R, C = _obj_0.S, _obj_0.P, _obj_0.R, _obj_0.C
|
|
end
|
|
local lpeg = require("lpeg")
|
|
local L = lpeg.luversion and lpeg.L or function(v)
|
|
return #v
|
|
end
|
|
local White = S(" \t\r\n") ^ 0
|
|
local plain_space = S(" \t") ^ 0
|
|
local Break = P("\r") ^ -1 * P("\n")
|
|
local Stop = Break + -1
|
|
local Comment = P("--") * (1 - S("\r\n")) ^ 0 * L(Stop)
|
|
local Space = plain_space * Comment ^ -1
|
|
local SomeSpace = S(" \t") ^ 1 * Comment ^ -1
|
|
local SpaceBreak = Space * Break
|
|
local EmptyLine = SpaceBreak
|
|
local AlphaNum = R("az", "AZ", "09", "__")
|
|
local Name = C(R("az", "AZ", "__") * AlphaNum ^ 0)
|
|
local Num = P("0x") * R("09", "af", "AF") ^ 1 * (S("uU") ^ -1 * S("lL") ^ 2) ^ -1 + R("09") ^ 1 * (S("uU") ^ -1 * S("lL") ^ 2) + (R("09") ^ 1 * (P(".") * R("09") ^ 1) ^ -1 + P(".") * R("09") ^ 1) * (S("eE") * P("-") ^ -1 * R("09") ^ 1) ^ -1
|
|
local Shebang = P("#!") * P(1 - Stop) ^ 0
|
|
return safe_module("moonscript.parse.literals", {
|
|
L = L,
|
|
White = White,
|
|
Break = Break,
|
|
Stop = Stop,
|
|
Comment = Comment,
|
|
Space = Space,
|
|
SomeSpace = SomeSpace,
|
|
SpaceBreak = SpaceBreak,
|
|
EmptyLine = EmptyLine,
|
|
AlphaNum = AlphaNum,
|
|
Name = Name,
|
|
Num = Num,
|
|
Shebang = Shebang
|
|
})
|
|
|
|
end
|
|
package.preload['moonscript.parse.env'] = function()
|
|
local getfenv, setfenv
|
|
do
|
|
local _obj_0 = require("moonscript.util")
|
|
getfenv, setfenv = _obj_0.getfenv, _obj_0.setfenv
|
|
end
|
|
local wrap_env
|
|
wrap_env = function(debug, fn)
|
|
local V, Cmt
|
|
do
|
|
local _obj_0 = require("lpeg")
|
|
V, Cmt = _obj_0.V, _obj_0.Cmt
|
|
end
|
|
local env = getfenv(fn)
|
|
local wrap_name = V
|
|
if debug then
|
|
local indent = 0
|
|
local indent_char = " "
|
|
local iprint
|
|
iprint = function(...)
|
|
local args = table.concat((function(...)
|
|
local _accum_0 = { }
|
|
local _len_0 = 1
|
|
local _list_0 = {
|
|
...
|
|
}
|
|
for _index_0 = 1, #_list_0 do
|
|
local a = _list_0[_index_0]
|
|
_accum_0[_len_0] = tostring(a)
|
|
_len_0 = _len_0 + 1
|
|
end
|
|
return _accum_0
|
|
end)(...), ", ")
|
|
return io.stderr:write(tostring(indent_char:rep(indent)) .. tostring(args) .. "\n")
|
|
end
|
|
wrap_name = function(name)
|
|
local v = V(name)
|
|
v = Cmt("", function(str, pos)
|
|
local rest = str:sub(pos, -1):match("^([^\n]*)")
|
|
iprint("* " .. tostring(name) .. " (" .. tostring(rest) .. ")")
|
|
indent = indent + 1
|
|
return true
|
|
end) * Cmt(v, function(str, pos, ...)
|
|
iprint(name, true)
|
|
indent = indent - 1
|
|
return true, ...
|
|
end) + Cmt("", function()
|
|
iprint(name, false)
|
|
indent = indent - 1
|
|
return false
|
|
end)
|
|
return v
|
|
end
|
|
end
|
|
return setfenv(fn, setmetatable({ }, {
|
|
__index = function(self, name)
|
|
local value = env[name]
|
|
if value ~= nil then
|
|
return value
|
|
end
|
|
if name:match("^[A-Z][A-Za-z0-9]*$") then
|
|
local v = wrap_name(name)
|
|
return v
|
|
end
|
|
return error("unknown variable referenced: " .. tostring(name))
|
|
end
|
|
}))
|
|
end
|
|
return {
|
|
wrap_env = wrap_env
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript'] = function()
|
|
do
|
|
local _with_0 = require("moonscript.base")
|
|
return _with_0
|
|
end
|
|
|
|
end
|
|
package.preload['moonscript.data'] = function()
|
|
local concat, remove, insert
|
|
do
|
|
local _obj_0 = table
|
|
concat, remove, insert = _obj_0.concat, _obj_0.remove, _obj_0.insert
|
|
end
|
|
local Set
|
|
Set = function(items)
|
|
local _tbl_0 = { }
|
|
for _index_0 = 1, #items do
|
|
local k = items[_index_0]
|
|
_tbl_0[k] = true
|
|
end
|
|
return _tbl_0
|
|
end
|
|
local Stack
|
|
do
|
|
local _class_0
|
|
local _base_0 = {
|
|
__tostring = function(self)
|
|
return "<Stack {" .. concat(self, ", ") .. "}>"
|
|
end,
|
|
pop = function(self)
|
|
return remove(self)
|
|
end,
|
|
push = function(self, value, ...)
|
|
insert(self, value)
|
|
if ... then
|
|
return self:push(...)
|
|
else
|
|
return value
|
|
end
|
|
end,
|
|
top = function(self)
|
|
return self[#self]
|
|
end
|
|
}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, ...)
|
|
self:push(...)
|
|
return nil
|
|
end,
|
|
__base = _base_0,
|
|
__name = "Stack"
|
|
}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Stack = _class_0
|
|
end
|
|
local lua_keywords = Set({
|
|
'and',
|
|
'break',
|
|
'do',
|
|
'else',
|
|
'elseif',
|
|
'end',
|
|
'false',
|
|
'for',
|
|
'function',
|
|
'if',
|
|
'in',
|
|
'local',
|
|
'nil',
|
|
'not',
|
|
'or',
|
|
'repeat',
|
|
'return',
|
|
'then',
|
|
'true',
|
|
'until',
|
|
'while'
|
|
})
|
|
return {
|
|
Set = Set,
|
|
Stack = Stack,
|
|
lua_keywords = lua_keywords
|
|
}
|
|
|
|
end
|
|
package.preload['moonscript.transform'] = function()
|
|
return {
|
|
Statement = require("moonscript.transform.statement"),
|
|
Value = require("moonscript.transform.value")
|
|
}
|
|
|
|
end
|
|
return package.preload["moonscript"]()
|