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This commit is contained in:
Lars Mueller
parent
1ed07d6015
commit
7e00e3a237
2
init.lua
2
init.lua
@ -78,7 +78,7 @@ end
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local load_module, get_resource, loadfile_exports
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modlib = setmetatable({
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-- TODO bump on release
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version = 64,
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version = 65,
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modname = minetest and minetest.get_current_modname(),
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dir_delim = rawget(_G, "DIR_DELIM") or "/",
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_RG = setmetatable({}, {
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192
persistence.lua
192
persistence.lua
@ -3,140 +3,140 @@ local files = {}
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local metatable = {__index = lua_log_file}
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function lua_log_file.new(file_path, root)
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local self = setmetatable({file_path = assert(file_path), root = root}, metatable)
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if minetest then
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files[self] = true
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end
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return self
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local self = setmetatable({file_path = assert(file_path), root = root}, metatable)
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if minetest then
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files[self] = true
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end
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return self
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end
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function lua_log_file:load()
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-- Bytecode is blocked by the engine
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local read = assert(loadfile(self.file_path))
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local env = {}
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setfenv(read, env)
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read()
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env.R = env.R or {{}}
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self.reference_count = #env.R
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self.root = env.R[1]
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self.references = modlib.table.flip(env.R)
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-- Bytecode is blocked by the engine
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local read = assert(loadfile(self.file_path))
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local env = {}
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setfenv(read, env)
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read()
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env.R = env.R or {{}}
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self.reference_count = #env.R
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self.root = env.R[1]
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self.references = modlib.table.flip(env.R)
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end
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function lua_log_file:open()
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self.file = io.open(self.file_path, "a+")
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self.file = io.open(self.file_path, "a+")
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end
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function lua_log_file:init()
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if modlib.file.exists(self.file_path) then
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self:load()
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self:_rewrite()
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self:open()
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return
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end
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self:open()
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self.root = {}
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self:_write()
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if modlib.file.exists(self.file_path) then
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self:load()
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self:_rewrite()
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self:open()
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return
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end
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self:open()
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self.root = {}
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self:_write()
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end
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function lua_log_file:log(statement)
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self.file:write(statement)
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self.file:write"\n"
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self.file:write(statement)
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self.file:write"\n"
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end
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function lua_log_file:flush()
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self.file:flush()
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self.file:flush()
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end
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function lua_log_file:close()
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self.file:close()
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self.file = nil
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files[self] = nil
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self.file:close()
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self.file = nil
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files[self] = nil
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end
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if minetest then
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minetest.register_on_shutdown(function()
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for self in pairs(files) do
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self.file:close()
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end
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end)
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minetest.register_on_shutdown(function()
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for self in pairs(files) do
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self.file:close()
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end
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end)
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end
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-- TODO use shorthand notations
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function lua_log_file:dump(value)
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if value == nil then
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return "nil"
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end
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if value == true then
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return "true"
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end
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if value == false then
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return "false"
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end
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if value ~= value then
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-- nan
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return "0/0"
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end
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local _type = type(value)
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if _type == "number" then
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return ("%.17g"):format(value)
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end
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if self.references[value] then
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return "R[" .. self.references[value] .. "]"
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end
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self.reference_count = self.reference_count + 1
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local reference = self.reference_count
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self.references[value] = reference
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local formatted
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if _type == "string" then
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formatted = ("%q"):format(value)
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elseif _type == "table" then
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local entries = {}
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for _, value in ipairs(value) do
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table.insert(entries, self:dump(value))
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end
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for key, value in pairs(value) do
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if type(key) ~= "number" or key % 1 ~= 0 or key < 1 or key > #value then
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table.insert(entries, "[" .. self:dump(key) .. "]=" .. self:dump(value))
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end
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end
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formatted = "{" .. table.concat(entries, ";") .. "}"
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else
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error("unsupported type: " .. _type)
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end
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local key = "R[" .. reference .."]"
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self:log(key .. "=" .. formatted)
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return key
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if value == nil then
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return "nil"
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end
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if value == true then
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return "true"
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end
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if value == false then
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return "false"
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end
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if value ~= value then
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-- nan
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return "0/0"
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end
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local _type = type(value)
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if _type == "number" then
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return ("%.17g"):format(value)
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end
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if self.references[value] then
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return "R[" .. self.references[value] .. "]"
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end
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self.reference_count = self.reference_count + 1
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local reference = self.reference_count
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self.references[value] = reference
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local formatted
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if _type == "string" then
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formatted = ("%q"):format(value)
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elseif _type == "table" then
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local entries = {}
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for _, value in ipairs(value) do
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table.insert(entries, self:dump(value))
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end
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for key, value in pairs(value) do
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if type(key) ~= "number" or key % 1 ~= 0 or key < 1 or key > #value then
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table.insert(entries, "[" .. self:dump(key) .. "]=" .. self:dump(value))
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end
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end
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formatted = "{" .. table.concat(entries, ";") .. "}"
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else
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error("unsupported type: " .. _type)
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end
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local key = "R[" .. reference .."]"
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self:log(key .. "=" .. formatted)
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return key
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end
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function lua_log_file:set(table, key, value)
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table[key] = value
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if not self.references[table] then
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error"orphan table"
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end
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self:log(self:dump(table) .. "[" .. self:dump(key) .. "]=" .. self:dump(value))
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table[key] = value
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if not self.references[table] then
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error"orphan table"
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end
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self:log(self:dump(table) .. "[" .. self:dump(key) .. "]=" .. self:dump(value))
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end
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function lua_log_file:set_root(key, value)
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return self:set(self.root, key, value)
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return self:set(self.root, key, value)
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end
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function lua_log_file:_write()
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self.references = {}
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self.reference_count = 0
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self:log"R={}"
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self:dump(self.root)
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self.references = {}
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self.reference_count = 0
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self:log"R={}"
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self:dump(self.root)
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end
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function lua_log_file:_rewrite()
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self.file = io.open(self.file_path, "w+")
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self:_write()
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self.file:close()
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self.file = io.open(self.file_path, "w+")
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self:_write()
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self.file:close()
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end
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function lua_log_file:rewrite()
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if self.file then
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self.file:close()
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end
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self:_rewrite()
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self.file = io.open(self.file_path, "a+")
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if self.file then
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self.file:close()
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end
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self:_rewrite()
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self.file = io.open(self.file_path, "a+")
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end
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