perf(dex): per-class ModuleType memo — framework surfaces built once per process

Author: dingyi222666

src/jvmMain/kotlin/io/github/dingyi222666/luaparser/interop/jvm/DexClassModelAdapter.kt

@@ -96,6 +96,19 @@ object DexClassModelAdapter {
         )
     }
 
+    /**
+     * Per-class ModuleType memo: building a framework class surface (hundreds of
+     * reflected-style members from the dex) costs seconds on a phone; every
+     * completion/hover over a dex-typed value re-requests the same class. Keyed
+     * by binary name; surfaces are immutable so sharing is safe.
+     */
+    private val moduleTypeByBinaryName = java.util.concurrent.ConcurrentHashMap<String, ModuleType>()
+
+    fun cachedModuleType(cls: DexClass, dexClasses: Collection<DexClass>): ModuleType =
+        moduleTypeByBinaryName.computeIfAbsent(cls.binaryName) {
+            toModuleType(cls, dexClasses)
+        }
+
     /**
      * Adapt one dex class into the provider-shaped module table:
      * `__class` (instance shell), `__call` (when constructors exist), public

src/jvmMain/kotlin/io/github/dingyi222666/luaparser/interop/jvm/DexLibraryMounter.kt

@@ -205,7 +205,7 @@ object DexLibraryMounter {
          */
         fun moduleTypeFor(cls: DexClass): ModuleType {
             moduleTypeCache[cls.binaryName]?.let { return it }
-            val moduleType = DexClassModelAdapter.toModuleType(cls, classes)
+            val moduleType = DexClassModelAdapter.cachedModuleType(cls, classes)
             moduleTypeCache[cls.binaryName] = moduleType
             return moduleType
         }