deemphasize a concern

[?]

Apr 16, 2023, 5:37 PM

7MOX7PIKINJ5JE2HPCY5RGRE553MM4ZAQGT4JFYS2PSDA6XAZDVAC

Dependencies

[2] QFFTXR7E new file-system format for freewheeling apps
[3] TNRO6KLZ new live app
[4] UUX7J2OA prevent overriding foundational definitions
[5] SEJ76JDA keep templates in sync
[*] JIWWTY7R extract a function

Change contents

edit in main.lua at line 49

[3.45]→[3.46:1198](∅→∅)

end

-- Everything that exists before we start loading the live files is frozen and
-- can't be edited live.
function app.freeze_all_existing_definitions()
app.Frozen_definitions = {on=true} -- special case for version 1
local done = {}
done[app.Frozen_definitions]=true
app.freeze_all_existing_definitions_in(_G, {}, done)
end

function app.freeze_all_existing_definitions_in(tab, scopes, done)
-- track duplicates to avoid cycles like _G._G, _G._G._G, etc.
if done[tab] then return end
done[tab] = true
for name,binding in pairs(tab) do
local full_name = app.full_name(scopes, name)
--? print(full_name)
app.Frozen_definitions[full_name] = true
if type(binding) == 'table' and full_name ~= 'package' then -- var 'package' contains copies of all modules, but not the best name; rely on people to not modify package.loaded.io.open, etc.
table.insert(scopes, name)
app.freeze_all_existing_definitions_in(binding, scopes, done)
table.remove(scopes)
end
end
end

function app.full_name(scopes, name)
local ns = table.concat(scopes, '.')
if #ns == 0 then return name end
return ns..'.'..name
edit in main.lua at line 225

[3.7614]

[7.27]

end

-- Everything that exists before we start loading the live files is frozen and
-- can't be edited live.
function app.freeze_all_existing_definitions()
app.Frozen_definitions = {on=true} -- special case for version 1
local done = {}
done[app.Frozen_definitions]=true
app.freeze_all_existing_definitions_in(_G, {}, done)
edit in main.lua at line 236

[7.32]

[2.2793]

function app.freeze_all_existing_definitions_in(tab, scopes, done)
-- track duplicates to avoid cycles like _G._G, _G._G._G, etc.
if done[tab] then return end
done[tab] = true
for name,binding in pairs(tab) do
local full_name = app.full_name(scopes, name)
--? print(full_name)
app.Frozen_definitions[full_name] = true
if type(binding) == 'table' and full_name ~= 'package' then -- var 'package' contains copies of all modules, but not the best name; rely on people to not modify package.loaded.io.open, etc.
table.insert(scopes, name)
app.freeze_all_existing_definitions_in(binding, scopes, done)
table.remove(scopes)
end
end
end

function app.full_name(scopes, name)
local ns = table.concat(scopes, '.')
if #ns == 0 then return name end
return ns..'.'..name
end