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local core = require 'core'
return function (lsp, params)
local uri = params.textDocument.uri
local vm, lines = lsp:loadVM(uri)
if not vm then
return
end
local position = lines:position(params.position.line + 1, params.position.character + 1)
local hovers = core.signature(vm, position)
if not hovers then
return
end
local description = hovers[1].description
local active
local signatures = {}
for i, hover in ipairs(hovers) do
local signature = {
label = hover.label,
documentation = {
kind = 'markdown',
value = description,
},
}
if hover.argLabel then
if not active then
active = i
end
signature.parameters = {
{
label = {
hover.argLabel[1] - 1,
hover.argLabel[2],
}
}
}
end
signatures[i] = signature
end
local response = {
signatures = signatures,
activeSignature = active and active - 1 or 0,
}
return response
end
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