cleanup

9 files changed, 50 insertions, 91 deletions

diff --git a/script/core/hover/label.lua b/script/core/hover/label.lua
index 995c3294..c2239344 100644
--- a/script/core/hover/label.lua
+++ b/script/core/hover/label.lua
@@ -45,10 +45,7 @@ local function asValue(source, title)
     local ifr     = infer.getInfer(source)
     local type    = ifr:view()
     local literal = ifr:viewLiterals()
-    local cont
-    if not ifr:hasType 'string' then
-        cont = buildTable(source)
-    end
+    local cont    = buildTable(source)
     local pack = {}
     pack[#pack+1] = title
     pack[#pack+1] = name .. ':'
diff --git a/script/core/hover/table.lua b/script/core/hover/table.lua
index 88808daa..8f9beefe 100644
--- a/script/core/hover/table.lua
+++ b/script/core/hover/table.lua
@@ -163,6 +163,13 @@ return function (source)
         return nil
     end
 
+    for view in infer.getInfer(source):eachView() do
+        if view == 'string'
+        or vm.isSubType(view, 'string') then
+            return nil
+        end
+    end
+
     local fields    = vm.getFields(source)
     local keys, map = getKeyMap(fields)
     if #keys == 0 then
diff --git a/script/gc.lua b/script/gc.lua
index 24a72f15..7bb81569 100644
--- a/script/gc.lua
+++ b/script/gc.lua
@@ -5,6 +5,7 @@ local util = require 'utility'
 local mt = {}
 mt.__index = mt
 mt.type = 'gc'
+mt._removed = false
 
 mt._max = 10
 
diff --git a/script/vm/getLinks.lua b/script/vm/getLinks.lua
deleted file mode 100644
index 8571fb46..00000000
--- a/script/vm/getLinks.lua
+++ /dev/null
@@ -1,63 +0,0 @@
-local guide = require 'parser.guide'
----@class vm
-local vm    = require 'vm.vm'
-local files = require 'files'
-local rpath = require 'workspace.require-path'
-
-local function getFileLinks(uri)
-    local links = {}
-    local state = files.getState(uri)
-    if not state then
-        return links
-    end
-    tracy.ZoneBeginN('getFileLinks')
-    guide.eachSpecialOf(state.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 or not args[1] or args[1].type ~= 'string' then
-            return
-        end
-        local uris = rpath.findUrisByRequirePath(uri, args[1][1])
-        for _, u in ipairs(uris) do
-            if not links[u] then
-                links[u] = {}
-            end
-            links[u][#links[u]+1] = call
-        end
-    end)
-    tracy.ZoneEnd()
-    return links
-end
-
-local function getFileLinksOrCache(uri)
-    local cache = files.getCache(uri)
-    cache.links = cache.links or getFileLinks(uri)
-    return cache.links
-end
-
-local function getLinksTo(uri)
-    local links = {}
-    for u in files.eachFile(uri) do
-        local ls = getFileLinksOrCache(u)
-        if ls[uri] then
-            for _, l in ipairs(ls[uri]) do
-                links[#links+1] = l
-            end
-        end
-    end
-    return links
-end
-
--- 获取所有 require(uri) 的文件
-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
diff --git a/script/vm/infer.lua b/script/vm/infer.lua
index 853bd7de..1ccc54aa 100644
--- a/script/vm/infer.lua
+++ b/script/vm/infer.lua
@@ -309,6 +309,11 @@ function mt:view(default, uri)
     end
 end
 
+function mt:eachView()
+    self:_computeViews()
+    return next, self.views
+end
+
 ---@param other vm.infer
 ---@return vm.infer
 function mt:merge(other)
diff --git a/script/vm/init.lua b/script/vm/init.lua
index aa1b908f..4f527930 100644
--- a/script/vm/init.lua
+++ b/script/vm/init.lua
@@ -4,6 +4,6 @@ require 'vm.def'
 require 'vm.ref'
 require 'vm.field'
 require 'vm.doc'
-require 'vm.getLibrary'
-require 'vm.getLinks'
+require 'vm.type'
+require 'vm.library'
 return vm
diff --git a/script/vm/getLibrary.lua b/script/vm/library.lua
index 1a8d8ffd..1a8d8ffd 100644
--- a/script/vm/getLibrary.lua
+++ b/script/vm/library.lua
diff --git a/script/vm/sign.lua b/script/vm/sign.lua
index 2c440902..eae549e4 100644
--- a/script/vm/sign.lua
+++ b/script/vm/sign.lua
@@ -1,5 +1,7 @@
 local guide         = require 'parser.guide'
 local nodeMgr       = require 'vm.node'
+---@class vm
+local vm            = require 'vm.vm'
 
 ---@class vm.sign
 ---@field parent   parser.object
@@ -19,7 +21,6 @@ function mt:resolve(argNodes)
     if not argNodes then
         return nil
     end
-    local typeMgr   = require 'vm.type'
     local compiler  = require 'vm.compiler'
     local globalMgr = require 'vm.global-manager'
     local resolved = {}
@@ -56,18 +57,18 @@ function mt:resolve(argNodes)
                 local uvalueNode = compiler.compileNode(ufield.extends)
                 if ufieldNode.type == 'doc.generic.name' and uvalueNode.type == 'doc.generic.name' then
                     -- { [number]: number} -> { [K]: V }
-                    local tfieldNode = typeMgr.getTableKey(node, 'any')
-                    local tvalueNode = typeMgr.getTableValue(node, 'any')
+                    local tfieldNode = vm.getTableKey(node, 'any')
+                    local tvalueNode = vm.getTableValue(node, 'any')
                     resolve(ufieldNode, tfieldNode)
                     resolve(uvalueNode, tvalueNode)
                 else
                     if ufieldNode.type == 'doc.generic.name' then
                         -- { [number]: number}|number[] -> { [K]: number }
-                        local tnode = typeMgr.getTableKey(node, uvalueNode)
+                        local tnode = vm.getTableKey(node, uvalueNode)
                         resolve(ufieldNode, tnode)
                     else
                         -- { [number]: number}|number[] -> { [number]: V }
-                        local tnode = typeMgr.getTableValue(node, ufieldNode)
+                        local tnode = vm.getTableValue(node, ufieldNode)
                         resolve(uvalueNode, tnode)
                     end
                 end
diff --git a/script/vm/type.lua b/script/vm/type.lua
index 8b80d4f3..4cac9723 100644
--- a/script/vm/type.lua
+++ b/script/vm/type.lua
@@ -1,14 +1,14 @@
 local nodeMgr   = require 'vm.node'
 local compiler  = require 'vm.compiler'
 local globalMgr = require 'vm.global-manager'
+---@class vm
+local vm        = require 'vm.vm'
 
----@class vm.type-manager
-local m = {}
-
----@param child  vm.node
----@param parent vm.node
+---@param child  vm.node|string
+---@param parent vm.node|string
+---@param mark?  table
 ---@return boolean
-function m.isSubType(child, parent, mark)
+function vm.isSubType(child, parent, mark)
     if type(parent) == 'string' then
         parent = globalMgr.getGlobal('type', parent)
     end
@@ -16,13 +16,17 @@ function m.isSubType(child, parent, mark)
         child = globalMgr.getGlobal('type', child)
     end
 
+    if not child or not parent then
+        return false
+    end
+
     if parent.type == 'global' and parent.cate == 'type' and parent.name == 'any' then
         return true
     end
 
     if child.type == 'doc.type' then
         for _, typeUnit in ipairs(child.types) do
-            if not m.isSubType(typeUnit, parent) then
+            if not vm.isSubType(typeUnit, parent) then
                 return false
             end
         end
@@ -36,7 +40,7 @@ function m.isSubType(child, parent, mark)
     if child.type == 'global' and child.cate == 'type' then
         if parent.type == 'doc.type' then
             for _, typeUnit in ipairs(parent.types) do
-                if m.isSubType(child, typeUnit) then
+                if vm.isSubType(child, typeUnit) then
                     return true
                 end
             end
@@ -58,7 +62,16 @@ function m.isSubType(child, parent, mark)
             for _, set in ipairs(child:getSets()) do
                 if set.type == 'doc.class' and set.extends then
                     for _, ext in ipairs(set.extends) do
-                        if m.isSubType(globalMgr.getGlobal('type', ext[1]), parent, mark) then
+                        if  ext.type == 'doc.extends.name'
+                        and vm.isSubType(globalMgr.getGlobal('type', ext[1]), parent, mark) then
+                            return true
+                        end
+                    end
+                end
+                if set.type == 'doc.alias' and set.extends then
+                    for _, ext in ipairs(set.extends.types) do
+                        if  ext.type == 'doc.type.name'
+                        and vm.isSubType(globalMgr.getGlobal('type', ext[1]), parent, mark) then
                             return true
                         end
                     end
@@ -72,18 +85,18 @@ end
 
 ---@param tnode vm.node
 ---@param knode vm.node
-function m.getTableValue(tnode, knode)
+function vm.getTableValue(tnode, knode)
     local result
     for tn in nodeMgr.eachNode(tnode) do
         if tn.type == 'doc.type.table' then
             for _, field in ipairs(tn.fields) do
-                if m.isSubType(field.name, knode) then
+                if vm.isSubType(field.name, knode) then
                     result = nodeMgr.mergeNode(result, compiler.compileNode(field.extends))
                 end
             end
         end
         if tn.type == 'doc.type.array' then
-            if m.isSubType(globalMgr.getGlobal('type', 'integer'), knode) then
+            if vm.isSubType(globalMgr.getGlobal('type', 'integer'), knode) then
                 result = nodeMgr.mergeNode(result, compiler.compileNode(tn.node))
             end
         end
@@ -106,18 +119,18 @@ end
 
 ---@param tnode vm.node
 ---@param vnode vm.node
-function m.getTableKey(tnode, vnode)
+function vm.getTableKey(tnode, vnode)
     local result
     for tn in nodeMgr.eachNode(tnode) do
         if tn.type == 'doc.type.table' then
             for _, field in ipairs(tn.fields) do
-                if m.isSubType(field.extends, vnode) then
+                if vm.isSubType(field.extends, vnode) then
                     result = nodeMgr.mergeNode(result, compiler.compileNode(field.name))
                 end
             end
         end
         if tn.type == 'doc.type.array' then
-            if m.isSubType(tn.node, vnode) then
+            if vm.isSubType(tn.node, vnode) then
                 result = nodeMgr.mergeNode(result, globalMgr.getGlobal('type', 'integer'))
             end
         end
@@ -137,5 +150,3 @@ function m.getTableKey(tnode, vnode)
     end
     return result
 end
-
-return m