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[lua] refactor runtime tostring to separate lua file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,20 @@ | ||
| local _hx_array_mt = { | ||
| __newindex = function(t,k,v) | ||
| local len = t.length | ||
| t.length = k >= len and (k + 1) or len | ||
| rawset(t,k,v) | ||
| end | ||
| _hx_array_mt = { | ||
| __newindex = function(t,k,v) | ||
| local len = t.length | ||
| t.length = k >= len and (k + 1) or len | ||
| rawset(t,k,v) | ||
| end | ||
| } | ||
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| local function _hx_tab_array(tab,length) | ||
| tab.length = length | ||
| return setmetatable(tab, _hx_array_mt) | ||
| function _hx_is_array(o) | ||
| return type(o) == "table" | ||
| and o.__enum__ == nil | ||
| and getmetatable(o) == _hx_array_mt | ||
| end | ||
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| function _hx_tab_array(tab, length) | ||
| tab.length = length | ||
| return setmetatable(tab, _hx_array_mt) | ||
| end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| local _hx_hidden = {__id__=true, hx__closures=true, super=true, prototype=true, __fields__=true, __ifields__=true, __class__=true, __properties__=true} | ||
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| function _hx_print_class(obj, depth) | ||
| local first = true | ||
| local result = '' | ||
| for k,v in pairs(obj) do | ||
| if first then | ||
| result = result .. ',' | ||
| first = false | ||
| end | ||
| if _hx_hidden[k] == nil then | ||
| result = result .. k .. ':' .. _hx_tostring(v, depth+1) | ||
| end | ||
| end | ||
| return result | ||
| end | ||
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| function _hx_print_enum(o, depth) | ||
| if o.length == 2 then | ||
| return o[0] | ||
| else | ||
| local str = o[0] .. "("; | ||
| for i = 2, (o.length-1) do | ||
| if i ~= 2 then | ||
| str = str .. "," .. _hx_tostring(o[i], depth+1); | ||
| else | ||
| str = str .. _hx_tostring(o[i], depth+1); | ||
| end | ||
| end | ||
| return str .. ")"; | ||
| end | ||
| end | ||
|
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| function _hx_tostring(obj, depth) | ||
| if depth == nil then | ||
| depth = 0 | ||
| elseif depth > 5 then | ||
| return "<...>" | ||
| end | ||
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| local tstr = type(obj) | ||
| if tstr == "string" then return obj | ||
| elseif tstr == "nil" then return "null"; | ||
| elseif tstr == "number" then | ||
| if obj == _G.math.POSITIVE_INFINITY then return "Infinity"; | ||
| elseif obj == _G.math.NEGATIVE_INFINITY then return "-Infinity"; | ||
| elseif obj == 0 then return "0"; | ||
| elseif obj ~= obj then return "NaN"; | ||
| else return _G.tostring(obj); | ||
| end | ||
| elseif tstr == "boolean" then return _G.tostring(obj); | ||
| elseif tstr == "userdata" then | ||
| local mt = _G.getmetatable(obj); | ||
| if mt ~= nil and mt.__tostring ~= nil then | ||
| return _G.tostring(obj); | ||
| else | ||
| return "<userdata>"; | ||
| end | ||
| elseif tstr == "function" then return "<function>"; | ||
| elseif tstr == "thread" then return "<thread>"; | ||
| elseif tstr == "table" then | ||
| if obj.__enum__ ~= nil then | ||
| return _hx_print_enum(obj, depth) | ||
| elseif obj.toString ~= nil and not _hx_is_array(obj) then return obj:toString() | ||
| elseif _hx_is_array(obj) then | ||
| if obj.length > 5 then | ||
| return "[...]" | ||
| else | ||
| str = "" | ||
| for i=0, (obj.length-1) do | ||
| if i == 0 then | ||
| str = str .. _hx_tostring(obj[i]) | ||
| else | ||
| str = str .. "," .. _hx_tostring(obj[i]) | ||
| end | ||
| end | ||
| return "[" .. str .. "]" | ||
| end | ||
| elseif obj.__class__ ~= nil then | ||
| return _hx_print_class(obj, depth) | ||
| else | ||
| first = true | ||
| buffer = {} | ||
| for k,v in pairs(obj) do | ||
| _G.table.insert(buffer, _hx_tostring(k, depth) .. ' : ' .. _hx_tostring(obj[k], depth)) | ||
| end | ||
| return "{ " .. table.concat(buffer, ", ") .. " }" | ||
| end | ||
| else | ||
| _G.error("Unknown Lua type", 0) | ||
| return "" | ||
| end | ||
| end |
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