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fix(parser): 修复文档参数绑定的重复问题 #3349

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fix(parser): 修复文档参数绑定的重复问题 #3349

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fix(parser): 修复文档参数绑定的重复问题
ushen-pyj Feb 5, 2026
08cfac5
Merge branch 'master' into master
ushen-pyj Mar 4, 2026
24cb90e
Merge branch 'LuaLS:master' into master
ushen-pyj Mar 30, 2026
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1 change: 1 addition & 0 deletions changelog.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

## Unreleased
<!-- Add all new changes here. They will be moved under a version at release -->
* `FIX` Deduplicate documentation bindings for parameters

## 3.17.1
`2026-01-20`
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33 changes: 33 additions & 0 deletions script/parser/luadoc.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -2199,6 +2199,38 @@ local function bindDocWithSources(sources, binded)
end
end

local docsDedupe = function (sources)
local removeByValue = function(bindDocs, value)
for i = #bindDocs, 1, -1 do
if bindDocs[i] == value then
table.remove(bindDocs, i)
break
end
end
end
for _, source in ipairs(sources) do
if source.bindDocs then
local docs = {}
for i = #source.bindDocs, 1, -1 do
local doc = source.bindDocs[i]
if doc.type == 'doc.param' and doc.param[1] then
local param1 = doc.param[1]
if docs[param1] then
local old = docs[param1]
if old.virtual and not doc.virtual then
removeByValue(source.bindDocs, old)
elseif not old.virtual and doc.virtual then
removeByValue(source.bindDocs, doc)
doc = old
end
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@gemini-code-assist gemini-code-assist Bot Feb 5, 2026

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high

当 old.virtual 和 doc.virtual 状态相同时（都为 true 或都为 false），当前逻辑不会移除任何一个重复的参数文档，这会导致重复的文档仍然存在。你应该处理这种情况，例如，保留文件中先出现的文档（索引较低的那个）。

此外，removeByValue 函数每次调用都会遍历 bindDocs，导致此去重逻辑在最坏情况下的时间复杂度为 O(N^2)。对于有很多参数的函数，这可能会成为性能瓶颈。

我建议修改逻辑以处理所有重复情况，并考虑一个更高效的 O(N) 实现来构建一个新的 bindDocs 列表，而不是在迭代时从中移除元素。

                        if old.virtual and not doc.virtual then
                            removeByValue(source.bindDocs, old)
                        elseif not old.virtual and doc.virtual then
                            removeByValue(source.bindDocs, doc)
                            doc = old
                        else -- both virtual or both not virtual, keep the one with lower index ('doc')
                            removeByValue(source.bindDocs, old)
                        end

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@ushen-pyj ushen-pyj Feb 5, 2026

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同时为virtual或者同时都不是virtual，这是人为写出来的，可以自己避免，正常使用不会这么写，给一个函数加两个一模一样的virtual，或者在一个函数写两个一模一样的@param注释。

最快的情况下O(N^2)，通常是为每一个参数都加了虚拟注解，又重新写了每一个参数的真实注解，这种情况我认为也是不合理使用导致的，我们为某种规则的函数，根据规定用plugin定义了参数，说明是大部分都是正确的才会这样用，也就是大部分都不需要重写param

end
docs[param1] = doc
end
end
end
end
end

local bindDocAccept = {
'local' , 'setlocal' , 'setglobal',
'setfield' , 'setmethod' , 'setindex' ,
Expand Down Expand Up @@ -2253,6 +2285,7 @@ local function bindDocs(state)
end
end
end
docsDedupe(sources)
end

local function findTouch(state, doc)
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