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fix problem with recursive tables when using the 'process' option
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parent
a998635207
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39
inspect.lua
39
inspect.lua
@ -165,28 +165,37 @@ local function makePath(path, ...)
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end
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end
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local function processRecursive(process, item, path)
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local function processRecursive(process, item, path)
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if item == nil then return nil end
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local visited = {}
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local function processRecursive2(item, path)
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if item == nil then return nil end
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if visited[item] then return visited[item] end
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local processed = process(item, path)
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if type(processed) == 'table' then
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local processedCopy = {}
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visited[item] = processedCopy
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local processedKey
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local processed = process(item, path)
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for k,v in pairs(processed) do
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if type(processed) == 'table' then
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processedKey = processRecursive2(k, makePath(path, k, inspect.KEY))
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local processedCopy = {}
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if processedKey ~= nil then
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local processedKey
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processedCopy[processedKey] = processRecursive2(v, makePath(path, processedKey))
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end
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end
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for k,v in pairs(processed) do
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local mt = processRecursive2(getmetatable(processed), makePath(path, inspect.METATABLE))
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processedKey = processRecursive(process, k, makePath(path, k, inspect.KEY))
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setmetatable(processedCopy, mt)
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if processedKey ~= nil then
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processed = processedCopy
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processedCopy[processedKey] = processRecursive(process, v, makePath(path, processedKey))
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end
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end
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return processed
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end
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end
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local mt = processRecursive(process, getmetatable(processed), makePath(path, inspect.METATABLE))
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return processRecursive2(item, path)
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setmetatable(processedCopy, mt)
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processed = processedCopy
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end
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return processed
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end
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end
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-------------------------------------------------------------------
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-------------------------------------------------------------------
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local Inspector = {}
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local Inspector = {}
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@ -315,6 +315,12 @@ describe( 'inspect', function()
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}, items)
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}, items)
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end)
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end)
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it('handles recursive tables correctly', function()
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local tbl = { 1,2,3}
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tbl.loop = tbl
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inspect(tbl, { process=function(x) return x end})
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end)
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end)
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end)
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describe('metatables', function()
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describe('metatables', function()
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