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local guide = require 'parser.guide'
---@type vm
local vm = require 'vm.vm'
local files = require 'files'
local function getFileLinks(uri)
local ws = require 'workspace'
local links = {}
local ast = files.getAst(uri)
if not ast then
return links
end
tracy.ZoneBeginN('getFileLinks')
guide.eachSpecialOf(ast.ast, 'require', function (source)
local call = source.parent
if not call or call.type ~= 'call' then
return
end
local args = call.args
if not args[1] or args[1].type ~= 'string' then
return
end
local uris = ws.findUrisByRequirePath(args[1][1])
for _, u in ipairs(uris) do
u = files.asKey(u)
if not links[u] then
links[u] = {}
end
links[u][#links[u]+1] = call
end
end)
tracy.ZoneEnd()
return links
end
local function getLinksTo(uri)
uri = files.asKey(uri)
local links = {}
for u in files.eachFile() do
local ls = vm.getFileLinks(u)
if ls[uri] then
for _, l in ipairs(ls[uri]) do
links[#links+1] = l
end
end
end
return links
end
function vm.getLinksTo(uri)
local cache = vm.getCache('getLinksTo')[uri]
if cache ~= nil then
return cache
end
cache = getLinksTo(uri)
vm.getCache('getLinksTo')[uri] = cache
return cache
end
function vm.getFileLinks(uri)
local cache = files.getCache(uri)
cache.links = cache.links or getFileLinks(uri)
return cache.links
end
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