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local buildName = require 'core.hover.name'
local buildArg = require 'core.hover.arg'
local buildReturn = require 'core.hover.return'
local buildTable = require 'core.hover.table'
local getClass = require 'core.hover.class'
local vm = require 'vm'
local util = require 'utility'
local function asFunction(source)
local name = buildName(source)
local arg = buildArg(source)
local rtn = buildReturn(source)
local lines = {}
lines[1] = ('function %s(%s)'):format(name, arg)
lines[2] = rtn
return table.concat(lines, '\n')
end
local function asValue(source, title)
local name = buildName(source)
local class = getClass(source)
local type = vm.getType(source)
local literal = vm.getLiteral(source)
local cont
if type == 'table' then
cont = buildTable(source)
type = nil
end
local pack = {}
pack[#pack+1] = title
pack[#pack+1] = name .. ':'
pack[#pack+1] = class or type
if literal then
pack[#pack+1] = '='
pack[#pack+1] = util.viewLiteral(literal)
end
if cont then
pack[#pack+1] = cont
end
return table.concat(pack, ' ')
end
local function asLocal(source)
return asValue(source, 'local')
end
local function asGlobal(source)
return asValue(source, 'global')
end
local function isGlobalField(source)
if source.type == 'field'
or source.type == 'method' then
source = source.parent
end
if source.type == 'setfield'
or source.type == 'getfield'
or source.type == 'setmethod'
or source.type == 'getmethod' then
local node = source.node
if node.type == 'setglobal'
or node.type == 'getglobal' then
return true
end
return isGlobalField(node)
elseif source.type == 'tablefield' then
local parent = source.parent
if parent.type == 'setglobal'
or parent.type == 'getglobal' then
return true
end
return isGlobalField(parent)
else
return false
end
end
local function asField(source)
if isGlobalField(source) then
return asGlobal(source)
end
return asValue(source, 'field')
end
return function (source)
if source.type == 'function' then
return asFunction(source)
elseif source.type == 'local'
or source.type == 'getlocal'
or source.type == 'setlocal' then
return asLocal(source)
elseif source.type == 'setglobal'
or source.type == 'getglobal' then
return asGlobal(source)
elseif source.type == 'getfield'
or source.type == 'setfield'
or source.type == 'getmethod'
or source.type == 'setmethod'
or source.type == 'tablefield'
or source.type == 'field'
or source.type == 'method' then
return asField(source)
end
end
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