1 files changed, 63 insertions, 0 deletions
diff --git a/script-beta/src/core/diagnostics/undefined-global.lua b/script-beta/src/core/diagnostics/undefined-global.lua
new file mode 100644
index 00000000..ed81ced3
--- /dev/null
+++ b/script-beta/src/core/diagnostics/undefined-global.lua
@@ -0,0 +1,63 @@
+local files   = require 'files'
+local vm      = require 'vm'
+local lang    = require 'language'
+local library = require 'library'
+local config  = require 'config'
+
+return function (uri, callback)
+    local ast = files.getAst(uri)
+    if not ast then
+        return
+    end
+
+    local globalCache = {}
+
+    -- 遍历全局变量，检查所有没有 mode['set'] 的全局变量
+    local globals = vm.getGlobals(ast.ast)
+    for key, infos in pairs(globals) do
+        if infos.mode['set'] == true then
+            goto CONTINUE
+        end
+        if globalCache[key] then
+            goto CONTINUE
+        end
+        local skey = key and key:match '^s|(.+)$'
+        if not skey then
+            goto CONTINUE
+        end
+        if library.global[skey] then
+            goto CONTINUE
+        end
+        if config.config.diagnostics.globals[skey] then
+            goto CONTINUE
+        end
+        if globalCache[key] == nil then
+            local uris = files.findGlobals(key)
+            for i = 1, #uris do
+                local destAst = files.getAst(uris[i])
+                local destGlobals = vm.getGlobals(destAst.ast)
+                if destGlobals[key] and destGlobals[key].mode['set'] then
+                    globalCache[key] = true
+                    goto CONTINUE
+                end
+            end
+        end
+        globalCache[key] = false
+        local message = lang.script('DIAG_UNDEF_GLOBAL', skey)
+        local otherVersion  = library.other[skey]
+        local customVersion = library.custom[skey]
+        if otherVersion then
+            message = ('%s(%s)'):format(message, lang.script('DIAG_DEFINED_VERSION', table.concat(otherVersion, '/'), config.config.runtime.version))
+        elseif customVersion then
+            message = ('%s(%s)'):format(message, lang.script('DIAG_DEFINED_CUSTOM', table.concat(customVersion, '/')))
+        end
+        for _, info in ipairs(infos) do
+            callback {
+                start   = info.source.start,
+                finish  = info.source.finish,
+                message = message,
+            }
+        end
+        ::CONTINUE::
+    end
+end