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local findSource = require 'core.find_source'
local Mode
local function parseValueSimily(callback, vm, source)
local key = source[1]
if not key then
return nil
end
vm:eachSource(function (other)
if other == source then
goto CONTINUE
end
if other[1] == key
and not other:bindLocal()
and other:bindValue()
and source:bindValue() ~= other:bindValue()
then
if Mode == 'definition' then
if other:action() == 'set' then
callback(other)
end
elseif Mode == 'reference' then
if other:action() == 'set' or other:action() == 'get' then
callback(other)
end
end
end
:: CONTINUE ::
end)
end
local function parseLocal(callback, vm, source)
---@type Local
local loc = source:bindLocal()
callback(loc:getSource())
loc:eachInfo(function (info, src)
if Mode == 'definition' then
if info.type == 'set' or info.type == 'local' then
if vm.uri == src:getUri() then
if source.id >= src.id then
callback(src)
end
end
end
elseif Mode == 'reference' then
if info.type == 'set' or info.type == 'local' or info.type == 'return' or info.type == 'get' then
callback(src)
end
end
end)
end
local function parseValueByValue(callback, vm, source, value)
local mark = { [vm] = true }
local list = {}
for _ = 1, 5 do
value:eachInfo(function (info, src)
if Mode == 'definition' then
if info.type == 'set' or info.type == 'local' then
if vm.uri == src:getUri() then
if source.id >= src.id then
callback(src)
end
end
end
if info.type == 'return' then
if (src.type ~= 'simple' or src[#src].type == 'call')
and src.type ~= 'name'
then
callback(src)
end
if vm.lsp then
local destVM = vm.lsp:getVM(src:getUri())
if destVM and not mark[destVM] then
mark[destVM] = true
list[#list+1] = { destVM, src }
end
end
end
elseif Mode == 'reference' then
if info.type == 'set' or info.type == 'local' or info.type == 'return' or info.type == 'get' then
callback(src)
end
end
end)
local nextData = table.remove(list, 1)
if nextData then
vm, source = nextData[1], nextData[2]
end
end
end
local function parseValue(callback, vm, source)
local value = source:bindValue()
local isGlobal
if value then
isGlobal = value:isGlobal()
parseValueByValue(callback, vm, source, value)
local emmy = value:getEmmy()
if emmy and emmy.type == 'emmy.type' then
---@type EmmyType
local emmyType = emmy
emmyType:eachClass(function (class)
if class and class:getValue() then
local emmyVM = vm
if vm.lsp then
local destVM = vm.lsp:getVM(class:getSource():getUri())
if destVM then
emmyVM = destVM
end
end
parseValueByValue(callback, emmyVM, class:getValue():getSource(), class:getValue())
end
end)
end
end
local parent = source:get 'parent'
for _ = 1, 3 do
if parent then
local ok = parent:eachInfo(function (info, src)
if Mode == 'definition' then
if info.type == 'set child' and info[1] == source[1] then
callback(src)
return true
end
elseif Mode == 'reference' then
if (info.type == 'set child' or info.type == 'get child') and info[1] == source[1] then
callback(src)
return true
end
end
end)
if ok then
break
end
parent = parent:getMetaMethod('__index')
end
end
return isGlobal
end
local function parseLabel(callback, vm, label)
label:eachInfo(function (info, src)
if Mode == 'definition' then
if info.type == 'set' then
callback(src)
end
elseif Mode == 'reference' then
if info.type == 'set' or info.type == 'get' then
callback(src)
end
end
end)
end
local function jumpUri(callback, vm, source)
local uri = source:get 'target uri'
callback {
start = 0,
finish = 0,
uri = uri
}
end
local function parseClass(callback, vm, source)
local className = source:get 'target class'
vm.emmyMgr:eachClass(className, function (class)
if Mode == 'definition' then
if class.type == 'emmy.class' then
local src = class:getSource()
callback(src)
end
elseif Mode == 'reference' then
if class.type == 'emmy.class' or class.type == 'emmy.typeUnit' then
local src = class:getSource()
callback(src)
end
end
end)
end
local function parseFunction(callback, vm, source)
if Mode == 'definition' then
callback(source:bindFunction():getSource())
source:bindFunction():eachInfo(function (info, src)
if info.type == 'set' or info.type == 'local' then
if vm.uri == src:getUri() then
if source.id >= src.id then
callback(src)
end
else
callback(src)
end
end
end)
elseif Mode == 'reference' then
callback(source:bindFunction():getSource())
source:bindFunction():eachInfo(function (info, src)
if info.type == 'set' or info.type == 'local' or info.type == 'get' then
callback(src)
end
end)
end
end
local function makeList(source)
local list = {}
local mark = {}
return list, function (src)
if Mode == 'definition' then
if source == src then
return
end
end
if mark[src] then
return
end
mark[src] = true
list[#list+1] = {
src.start,
src.finish,
src.uri
}
end
end
return function (vm, pos, mode)
local source = findSource(vm, pos)
if not source then
return nil
end
Mode = mode
local list, callback = makeList(source)
local isGlobal
if source:bindLocal() then
parseLocal(callback, vm, source)
end
if source:bindValue() then
isGlobal = parseValue(callback, vm, source)
end
if source:bindLabel() then
parseLabel(callback, vm, source:bindLabel())
end
if source:bindFunction() then
parseFunction(callback, vm, source)
end
if source:get 'target uri' then
jumpUri(callback, vm, source)
end
if source:get 'in index' then
isGlobal = parseValue(callback, vm, source)
end
if source:get 'target class' then
parseClass(callback, vm, source)
end
if #list == 0 then
parseValueSimily(callback, vm, source)
end
return list, isGlobal
end
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