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local core = require 'core'
local parser = require 'parser'
local buildVM = require 'vm'
local function catch_target(script)
local list = {}
local cur = 1
while true do
local start, finish = script:find('<[!?].-[!?]>', cur)
if not start then
break
end
list[#list+1] = { start + 2, finish - 2 }
cur = finish + 1
end
return list
end
local function founded(targets, results)
if #targets ~= #results then
return false
end
for _, target in ipairs(targets) do
for _, result in ipairs(results) do
if target[1] == result[1] and target[2] == result[2] then
goto NEXT
end
end
do return false end
::NEXT::
end
return true
end
function TEST(newName)
return function (script)
local target = catch_target(script)
local start = script:find('<?', 1, true)
local finish = script:find('?>', 1, true)
local pos = (start + finish) // 2 + 1
local new_script = script:gsub('<[!?]', ' '):gsub('[!?]>', ' ')
local ast = parser:parse(new_script, 'lua', 'Lua 5.3')
assert(ast)
local vm = buildVM(ast)
assert(vm)
local positions = core.rename(vm, pos, newName)
if positions then
assert(founded(target, positions))
else
assert(#target == 0)
end
end
end
TEST 'b' [[
local <?a?> = 1
]]
TEST 'b' [[
local <?a?> = 1
<!a!> = 2
<!a!> = <!a!>
]]
TEST 'b' [[
t.<?a?> = 1
a = t.<!a!>
]]
TEST 'b' [[
t[<!'a'!>] = 1
a = t.<?a?>
]]
TEST 'b' [[
:: <?a?> ::
goto <!a!>
]]
TEST 'b' [[
local function f(<!a!>)
return <?a?>
end
]]
|
