nixos/lua-lsp/script/core/diagnostics/count-down-loop.lua

52 lines
1.8 KiB
Lua

local files = require "files"
local guide = require "parser.guide"
local lang = require 'language'
return function (uri, callback)
local state = files.getState(uri)
local text = files.getText(uri)
if not state or not text then
return
end
guide.eachSourceType(state.ast, 'loop', function (source)
local maxNumber = source.max and tonumber(source.max[1])
if not maxNumber then
return
end
local minNumber = source.init and tonumber(source.init[1])
if minNumber and maxNumber and minNumber <= maxNumber then
return
end
if not minNumber and maxNumber ~= 1 then
return
end
if not source.step then
callback {
start = source.init.start,
finish = source.max.finish,
message = lang.script('DIAG_COUNT_DOWN_LOOP'
, ('%s, %s'):format(text:sub(
guide.positionToOffset(state, source.init.start + 1),
guide.positionToOffset(state, source.max.finish)
), '-1')
)
}
else
local stepNumber = tonumber(source.step[1])
if stepNumber and stepNumber > 0 then
callback {
start = source.init.start,
finish = source.step.finish,
message = lang.script('DIAG_COUNT_DOWN_LOOP'
, ('%s, -%s'):format(text:sub(
guide.positionToOffset(state, source.init.start + 1),
guide.positionToOffset(state, source.max.finish)
), source.step[1])
)
}
end
end
end)
end