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local function parseValueSimily(vm, source, lsp)
local key = source[1]
if not key then
return nil
end
local positions = {}
for _, other in ipairs(vm.sources) do
if other == source then
goto CONTINUE
end
if other[1] == key
and not other:bindLocal()
and other:bindValue()
and other:action() == 'set'
and source:bindValue() ~= other:bindValue()
then
positions[#positions+1] = {
other.start,
other.finish,
}
end
:: CONTINUE ::
end
if #positions == 0 then
return nil
end
return positions
end
local function parseValueCrossFile(vm, source, lsp)
local value = source:bindValue()
local positions = {}
value:eachInfo(function (info, src)
if info.type == 'local' and src.uri == value.uri then
positions[#positions+1] = {
src.start,
src.finish,
value.uri,
}
return true
end
end)
if #positions > 0 then
return positions
end
value:eachInfo(function (info, src)
if info.type == 'set' and src.uri == value.uri then
positions[#positions+1] = {
src.start,
src.finish,
value.uri,
}
end
end)
if #positions > 0 then
return positions
end
value:eachInfo(function (info, src)
if info.type == 'return' and src.uri == value.uri then
positions[#positions+1] = {
src.start,
src.finish,
value.uri,
}
end
end)
if #positions > 0 then
return positions
end
local destVM = lsp:getVM(value.uri)
if not destVM then
positions[#positions+1] = {
0, 0, value.uri,
}
return positions
end
local result = parseValueSimily(destVM, source, lsp)
if result then
for _, position in ipairs(result) do
positions[#positions+1] = position
position[3] = value.uri
end
end
if #positions > 0 then
return positions
end
return positions
end
local function parseLocal(vm, source, lsp)
local positions = {}
local loc = source:bindLocal()
local locSource = loc:getSource()
if locSource:get 'arg' then
positions[#positions+1] = {
locSource.start,
locSource.finish,
locSource:getUri(),
}
return positions
end
local value = source:bindValue()
if value and value.uri ~= '' and value.uri ~= vm.uri then
return parseValueCrossFile(vm, source, lsp)
end
positions[#positions+1] = {
locSource.start,
locSource.finish,
locSource:getUri(),
}
if #positions == 0 then
return nil
end
return positions
end
local function parseValue(vm, source, lsp)
local positions = {}
local mark = {}
local function callback(src)
if source == src then
return
end
if mark[src] then
return
end
mark[src] = true
if src.start == 0 then
return
end
local uri = src.uri
if uri == '' then
uri = nil
end
positions[#positions+1] = {
src.start,
src.finish,
uri,
}
end
if source:bindValue() then
source:bindValue():eachInfo(function (info, src)
if info.type == 'set' or info.type == 'local' or info.type == 'return' then
callback(src)
return true
end
end)
end
local parent = source:get 'parent'
if parent then
parent:eachInfo(function (info, src)
if info[1] == source[1] then
if info.type == 'set child' then
callback(src)
end
end
end)
end
if #positions == 0 then
return nil
end
return positions
end
local function parseLabel(vm, label, lsp)
local positions = {}
label:eachInfo(function (info, src)
if info.type == 'set' then
positions[#positions+1] = {
src.start,
src.finish,
}
end
end)
if #positions == 0 then
return nil
end
return positions
end
local function jumpUri(vm, source, lsp)
local uri = source:get 'target uri'
local positions = {}
positions[#positions+1] = {
0, 0, uri,
}
return positions
end
return function (vm, source, lsp)
if not source then
return nil
end
if source:bindLocal() then
return parseLocal(vm, source, lsp)
end
if source:bindValue() then
return parseValue(vm, source, lsp)
or parseValueSimily(vm, source, lsp)
end
if source:bindLabel() then
return parseLabel(vm, source:bindLabel(), lsp)
end
if source:get 'target uri' then
return jumpUri(vm, source, lsp)
end
if source:get 'in index' then
return parseValue(vm, source, lsp)
or parseValueSimily(vm, source, lsp)
end
end
|
