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local module = {}
local ale_type_to_diagnostic_severity = {
E = vim.diagnostic.severity.ERROR,
W = vim.diagnostic.severity.WARN,
I = vim.diagnostic.severity.INFO
}
-- Equivalent to ale#Var, only we can't error on missing global keys.
module.aleVar = function(buffer, key)
key = "ale_" .. key
local exists, value = pcall(vim.api.nvim_buf_get_var, buffer, key)
if exists then
return value
end
return vim.g[key]
end
module.sendAleResultsToDiagnostics = function(buffer, loclist)
local diagnostics = {}
-- Convert all the ALE loclist items to the shape that Neovim's diagnostic
-- API is expecting.
for _, location in ipairs(loclist) do
if location.bufnr == buffer then
table.insert(
diagnostics,
-- All line numbers from ALE are 1-indexed, but all line numbers
-- in the diagnostics API are 0-indexed, so we have to subtract 1
-- to make this work.
{
lnum = location.lnum - 1,
-- Ending line number, or if we don't have one, just make it the same
-- as the starting line number
end_lnum = (location.end_lnum or location.lnum) - 1,
-- Which column does the error start on?
col = math.max((location.col or 1) - 1, 0),
-- end_col does *not* appear to need 1 subtracted, so we don't.
end_col = location.end_col,
-- Which severity: error, warning, or info?
severity = ale_type_to_diagnostic_severity[location.type] or "E",
-- An error code
code = location.code,
-- The error message
message = location.text,
-- e.g. "rubocop"
source = location.linter_name,
}
)
end
end
local virtualtext_enabled_set = {
['all'] = true,
['2'] = true,
[2] = true,
['current'] = true,
['1'] = true,
[1] = true,
}
local set_signs = module.aleVar(buffer, 'set_signs')
local sign_priority = module.aleVar(buffer, 'sign_priority')
local signs
if set_signs == 1 and sign_priority then
-- If signs are enabled, set the priority for them.
local local_cfg = { priority = sign_priority }
local global_cfg = vim.diagnostic.config().signs
if type(global_cfg) == 'boolean' then
signs = local_cfg
elseif type(global_cfg) == 'table' then
signs = vim.tbl_extend('force', global_cfg, local_cfg)
else
signs = function(...)
local calculated = global_cfg(...)
return vim.tbl_extend('force', calculated, local_cfg)
end
end
end
vim.diagnostic.set(
vim.api.nvim_create_namespace('ale'),
buffer,
diagnostics,
{
virtual_text = virtualtext_enabled_set[vim.g.ale_virtualtext_cursor] ~= nil,
signs = signs,
}
)
end
return module
|
