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Don't expose private event fields to user in choices

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This commit is contained in:
Étienne Fildadut 2021-11-27 13:10:36 +01:00
parent 7105b445ef
commit 7433d27da5
2 changed files with 16 additions and 22 deletions
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22
interpreter/interpreter.lua
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@ -125,16 +125,25 @@ local events = {
state.interpreter.event_type = nil
state.interpreter.event_buffer = nil
state.interpreter.skip_choices_until_flush = nil
-- yield
-- extract some needed state data for each choice block
local choices
if type == "choice" then
choices = {}
for _, c in ipairs(buffer) do
table.insert(choices, c._state)
c._state = nil
end
end
-- yield event
coroutine.yield(type, buffer)
-- run choice
if type == "choice" then
local sel = state.interpreter.choice_selected
state.interpreter.choice_selected = nil
if not sel or sel < 1 or sel > #buffer then
if not sel or sel < 1 or sel > #choices then
return nil, "invalid choice"
else
local choice = buffer[sel]._d
local choice = choices[sel]
-- execute in expected tag & event capture state
local capture_state = state.interpreter.event_capture_stack
state.interpreter.event_capture_stack = {}
@ -184,14 +193,15 @@ run_line = function(state, line)
local v, e = events:make_space_for(state, "choice")
if not v then return v, ("%s; in automatic event flush at %s"):format(e, line.source) end
local currentTags = tags:current(state)
v, e = events:append(state, "choice", { _d = { tags = currentTags, block = line.child }}) -- new choice
local choice_block_state = { tags = currentTags, block = line.child }
v, e = events:append(state, "choice", { _state = choice_block_state }) -- new choice
if not v then return v, e end
events:push_capture(state, "text", function(event)
local v2, e2 = events:append_in_last(state, "choice", event, { _d = { tags = currentTags, block = line.child }})
local v2, e2 = events:append_in_last(state, "choice", event, { _state = choice_block_state })
if not v2 then return v2, e2 end
end)
v, e = eval_text_callback(state, line.text, function(text)
local v2, e2 = events:append_in_last(state, "choice", { text = text, tags = currentTags }, { _d = { tags = currentTags, block = line.child }})
local v2, e2 = events:append_in_last(state, "choice", { text = text, tags = currentTags }, { _state = choice_block_state })
if not v2 then return v2, e2 end
end)
events:pop_capture(state, "text")