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Checks for read-only globals

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This commit is contained in:
Roberto Ierusalimschy
2025-05-06 15:54:05 -03:00
parent be81209063
commit 4365a45d68
4 changed files with 33 additions and 9 deletions
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10
testes/locals.lua
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@@ -178,6 +178,8 @@ A = nil
do -- constants
global assert<const>, load, string, X
X = 1 -- not a constant
local a<const>, b, c<const> = 10, 20, 30
b = a + c + b -- 'b' is not constant
assert(a == 10 and b == 60 and c == 30)
@@ -191,6 +193,9 @@ do -- constants
checkro("z", "local x <const>, y, z <const> = 10, 20, 30; y = 10; z = 11")
checkro("foo", "local foo <const> = 10; function foo() end")
checkro("foo", "local foo <const> = {}; function foo() end")
checkro("foo", "global foo <const>; function foo() end")
checkro("XX", "global XX <const>; XX = 10")
checkro("XX", "local _ENV; global XX <const>; XX = 10")
checkro("z", [[
local a, z <const>, b = 10;
@@ -201,6 +206,11 @@ do -- constants
local a, var1 <const> = 10;
function foo() a = 20; z = function () var1 = 12; end end
]])
checkro("var1", [[
global a, var1 <const>, z;
local function foo() a = 20; z = function () var1 = 12; end end
]])
end