6 files changed, 58 insertions, 11 deletions
diff --git a/script-beta/core/hover/init.lua b/script-beta/core/hover/init.lua
index ab8bd566..5e7a4072 100644
--- a/script-beta/core/hover/init.lua
+++ b/script-beta/core/hover/init.lua
@@ -8,7 +8,7 @@ local findSource = require 'core.find-source'
 local lang       = require 'language'
 
 local function getHoverAsFunction(source)
-    local values = vm.getInfers(source)
+    local values = vm.getInfers(source, 'deep')
     local desc   = getDesc(source)
     local labels = {}
     local defs = 0
diff --git a/script-beta/core/hover/table.lua b/script-beta/core/hover/table.lua
index d5761e17..b098ad35 100644
--- a/script-beta/core/hover/table.lua
+++ b/script-beta/core/hover/table.lua
@@ -172,20 +172,23 @@ end
 return function (source)
     local literals = {}
     local classes = {}
+    local clock = os.clock()
     for _, src in ipairs(vm.getFields(source, 'deep')) do
         local key = getKey(src)
         if not key then
             goto CONTINUE
         end
-        local class, literal = getField(src)
         if not classes[key] then
             classes[key] = {}
         end
         if not literals[key] then
             literals[key] = {}
         end
-        classes[key][#classes[key]+1] = class
-        literals[key][#literals[key]+1] = literal
+        if os.clock() - clock <= 1 then
+            local class, literal = getField(src)
+            classes[key][#classes[key]+1] = class
+            literals[key][#literals[key]+1] = literal
+        end
         ::CONTINUE::
     end
 
diff --git a/script-beta/vm/eachDef.lua b/script-beta/vm/eachDef.lua
index 5d1aa566..0cd3c6ca 100644
--- a/script-beta/vm/eachDef.lua
+++ b/script-beta/vm/eachDef.lua
@@ -26,12 +26,16 @@ local function eachDef(source, deep)
 end
 
 function vm.getDefs(source, deep)
+    if ALL_DEEP then
+        deep = 'deep'
+    end
     if guide.isGlobal(source) then
         local name = guide.getKeyName(source)
         local cache =  vm.getCache('eachDefOfGlobal')[name]
                     or vm.getCache('eachDef')[source]
                     or eachDef(source, 'deep')
         vm.getCache('eachDefOfGlobal')[name] = cache
+        vm.getCache('eachDef')[source] = cache
         return cache
     else
         local cache =  vm.getCache('eachDef')[source]
diff --git a/script-beta/vm/eachField.lua b/script-beta/vm/eachField.lua
index 90892f03..798566b4 100644
--- a/script-beta/vm/eachField.lua
+++ b/script-beta/vm/eachField.lua
@@ -47,12 +47,16 @@ local function eachField(source, deep)
 end
 
 function vm.getFields(source, deep)
+    if ALL_DEEP then
+        deep = 'deep'
+    end
     if guide.isGlobal(source) then
         local name = guide.getKeyName(source)
         local cache =  vm.getCache('eachFieldOfGlobal')[name]
                     or vm.getCache('eachField')[source]
                     or eachField(source, 'deep')
         vm.getCache('eachFieldOfGlobal')[name] = cache
+        vm.getCache('eachField')[source] = cache
         return cache
     else
         local cache =  vm.getCache('eachField')[source]
diff --git a/script-beta/vm/eachRef.lua b/script-beta/vm/eachRef.lua
index ea46c9ee..cd003443 100644
--- a/script-beta/vm/eachRef.lua
+++ b/script-beta/vm/eachRef.lua
@@ -25,12 +25,16 @@ local function getRefs(source, deep)
 end
 
 function vm.getRefs(source, deep)
+    if ALL_DEEP then
+        deep = 'deep'
+    end
     if guide.isGlobal(source) then
         local name = guide.getKeyName(source)
         local cache =  vm.getCache('eachRefOfGlobal')[name]
                     or vm.getCache('eachRef')[source]
                     or getRefs(source, 'deep')
         vm.getCache('eachRefOfGlobal')[name] = cache
+        vm.getCache('eachRef')[source] = cache
         return cache
     else
         local cache =  vm.getCache('eachRef')[source]
diff --git a/script-beta/vm/getInfer.lua b/script-beta/vm/getInfer.lua
index c0f2d118..c7c422f4 100644
--- a/script-beta/vm/getInfer.lua
+++ b/script-beta/vm/getInfer.lua
@@ -1,6 +1,7 @@
 local vm      = require 'vm.vm'
 local guide   = require 'parser.guide'
 local util    = require 'utility'
+local await   = require 'await'
 
 NIL = setmetatable({'<nil>'}, { __tostring = function () return 'nil' end })
 
@@ -52,16 +53,47 @@ function vm.getInferLiteral(source, deep)
     return table.concat(literals, '|')
 end
 
+local function getInfers(source, deep)
+    local results = {}
+    local lock = vm.lock('getInfers', source)
+    if not lock then
+        return results
+    end
+
+    await.delay()
+
+    local clock = os.clock()
+    local myResults, count = guide.requestInfer(source, vm.interface, deep)
+    if DEVELOP and os.clock() - clock > 0.1 then
+        log.warn('requestInfer', count, os.clock() - clock, guide.getUri(source), util.dump(source, { deep = 1 }))
+    end
+    vm.mergeResults(results, myResults)
+
+    lock()
+
+    return results
+end
+
 --- 获取对象的值
 --- 会尝试穿透函数调用
 function vm.getInfers(source, deep)
-    if not source then
-        return
+    if ALL_DEEP then
+        deep = 'deep'
     end
-    local clock = os.clock()
-    local infers = guide.requestInfer(source, vm.interface, deep)
-    if os.clock() - clock > 0.1 then
-        log.warn(('Request infer takes [%.3f]sec! %s %s'):format(os.clock() - clock, guide.getUri(source), util.dump(source, { deep = 1 })))
+    if guide.isGlobal(source) then
+        local name = guide.getKeyName(source)
+        local cache =  vm.getCache('getInfersOfGlobal')[name]
+                    or vm.getCache('getInfers')[source]
+                    or getInfers(source, 'deep')
+        vm.getCache('getInfersOfGlobal')[name] = cache
+        vm.getCache('getInfers')[source] = cache
+        return cache
+    else
+        local cache =  vm.getCache('getInfers')[source]
+                    or getInfers(source, deep)
+        if deep then
+            vm.getCache('getInfers')[source] = cache
+        end
+        return cache
     end
-    return infers
 end