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local findResult = require 'matcher.find_result'
local function parseResultAcrossUri(positions, vm, result)
-- 跨越文件时，遍历的是值的绑定信息
for _, info in ipairs(result.value) do
if info.type == 'set' and info.source.uri == result.value.uri then
positions[#positions+1] = {
info.source.start,
info.source.finish,
info.source.uri,
}
end
end
if #positions == 0 then
for _, info in ipairs(result.value) do
if info.type == 'return' and info.source.uri == result.value.uri then
positions[#positions+1] = {
info.source.start,
info.source.finish,
info.source.uri,
}
end
end
end
end
local function parseResult(vm, result)
local positions = {}
local tp = result.type
if tp == 'local' then
if result.value.uri ~= vm.uri then
parseResultAcrossUri(positions, vm, result)
else
for _, info in ipairs(result) do
if info.type == 'set' then
positions[#positions+1] = {
info.source.start,
info.source.finish,
info.source.uri,
}
end
end
end
elseif tp == 'field' then
if result.value.uri ~= vm.uri then
parseResultAcrossUri(positions, vm, result)
else
for _, info in ipairs(result) do
if info.type == 'set' then
positions[#positions+1] = {
info.source.start,
info.source.finish,
info.source.uri,
}
end
end
end
elseif tp == 'label' then
for _, info in ipairs(result) do
if info.type == 'set' then
positions[#positions+1] = {
info.source.start,
info.source.finish,
}
end
end
elseif tp == 'string' then
-- require 'XXX' 专用
positions[#positions+1] = {
0,
0,
result.uri,
}
end
return positions
end
return function (vm, pos)
local result = findResult(vm, pos)
if not result then
return nil
end
local positions = parseResult(vm, result)
return positions
end
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