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Omit function variables from merge

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This commit is contained in:
Étienne Fildadut 2021-12-10 19:43:06 +01:00
parent 40c1616cce
commit 3d32f35d67
7 changed files with 70 additions and 45 deletions
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20
interpreter/common.lua
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@ -2,6 +2,7 @@ local atypes, ltypes
local eval, run_block
local replace_with_copied_values
local common
local identifier_pattern
--- copy some text & process it to be suited to be sent to Lua in an event
local function post_process_text(state, text)
@ -57,7 +58,9 @@ common = {
mt.cache = {}
-- merge modified re-assigned variables
for var, value in pairs(state.variables) do
global.variables[var] = value
if common.should_keep_variable(state, var) then
global.variables[var] = value
end
state.variables[var] = nil
end
end,
@ -78,6 +81,20 @@ common = {
return var
end
end,
set_variable = function(state, name, val)
state.variables[name] = val
end,
--- mark a table as modified, so it will be merged on the next checkpoint if it appears somewhere in a value
mark_as_modified = function(state, v)
local modified = getmetatable(state.variables).modified_tables
table.insert(modified, v)
end,
--- returns true if a variable should be persisted on save/merge
-- will exclude: undefined variables, variables in functions defined with parentheses, internal anselme variables
should_keep_variable = function(state, name)
local v = state.variables[name]
return v.type ~= "undefined argument" and v.type ~= "pending definition" and name:match("^"..identifier_pattern.."$") and not name:match("^anselme%.")
end,
--- check truthyness of an anselme value
truthy = function(val)
if val.type == "number" then
@ -408,5 +425,6 @@ atypes, ltypes = types.anselme, types.lua
eval = require((...):gsub("common$", "expression"))
run_block = require((...):gsub("common$", "interpreter")).run_block
replace_with_copied_values = require((...):gsub("interpreter%.common$", "common")).replace_with_copied_values
identifier_pattern = require((...):gsub("interpreter%.common$", "parser.common")).identifier_pattern
return common