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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(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:ast(new_script)
assert(ast)
local vm = buildVM(ast)
assert(vm)
local positions = core.references(vm, pos, true)
if positions then
assert(founded(target, positions))
else
assert(#target == 0)
end
end
TEST [[
local <!a!> = 1
<?a?> = <?a?>
]]
TEST [[
t.<!a!> = 1
t.<?a?> = t.<?a?>
]]
TEST [[
:: <!LABEL!> ::
goto <?LABEL?>
]]
TEST [[
local a = 1
local <!a!> = 1
<?a?> = <?a?>
]]
TEST [[
local t = {
<?a?> = 1
}
print(t.<!a!>)
]]
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