VE Lua Documentation

unloadExcept

Definition

-- @/lua/common/extensions.lua:338

local function unloadExcept(...)
  -- log('I', logTag, "unloadExcept called...")
  local exceptionList = {}

  if #{...} > 1 then
    for k,array in pairs({...}) do
      for i, v in pairs(array) do
        table.insert(exceptionList, v)
      end
    end
  else
    exceptionList = ... or {}
  end

  -- IMPORTANT: Expand the exception list to include their dependencies.
  local expandedExceptionDict = {}

  for _,mName in ipairs(exceptionList) do
    expandedExceptionDict[mName] = true
  end

  local numToExclude = #exceptionList
  local prevNumExcluded = 1
  while true do
    for i = prevNumExcluded, numToExclude do
      local mName = exceptionList[i]
      local m = luaMods[mName] or resolvedNameToModule[mName] or resolvedNormalizedNameToModule[mName]
      if m and m.dependencies then
        for _, depName in ipairs(m.dependencies) do
          if not expandedExceptionDict[depName] then
            table.insert(exceptionList, depName)
            expandedExceptionDict[depName] = true
          end
        end
      end
    end
    if numToExclude == #exceptionList then break end
    prevNumExcluded = numToExclude + 1
    numToExclude = #exceptionList
  end

  -- Now process the EXPANDED exception list to get the list of modules that need to be unloaded.
  local modulesToUnload = {}
  for i = #resolvedModules, 1, -1 do
    -- check if its null because a previous unload may have also unloaded child extensions e.g. scenario unloads
    -- its extensions so the entry for those extensions here would be null
    if resolvedModules[i] then
      local moduleName = resolvedModules[i].__extensionName__
      if not expandedExceptionDict[moduleName] then
        table.insert(modulesToUnload, moduleName)
      end
    end
  end

  if not tableIsEmpty(modulesToUnload) then
    unloadInternal(modulesToUnload)
  end

  resolveDependencies()
end

Callers

  -- unload all extension modules
  unloadExcept()

function unloadAutoExtensions()
  extensions.unloadExcept(manualUnloadExtensions)
end

  local endCallback = function ()
    extensions.unloadExcept(manualUnloadExtensions)