Add inheritance support for parcelable dataclasses

We don't want to recommend this, but some legacy framework classes use
inheritance, and it's easy enough to support

Fixes: 142081378
Test: . frameworks/base/tests/Codegen/runTest.sh
Change-Id: Ifb7f34abf1dfb871ac01b9a9a38dfee144e5f49a

1 files changed, 9 insertions, 1 deletions

diff --git a/tools/codegen/src/com/android/codegen/ClassPrinter.kt b/tools/codegen/src/com/android/codegen/ClassPrinter.kt
index 1f0d4b8a7ec9..bd72d9e7ec21 100644
--- a/tools/codegen/src/com/android/codegen/ClassPrinter.kt
+++ b/tools/codegen/src/com/android/codegen/ClassPrinter.kt
@@ -1,6 +1,7 @@
 package com.android.codegen
 
 import com.github.javaparser.ast.Modifier
+import com.github.javaparser.ast.body.CallableDeclaration
 import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration
 import com.github.javaparser.ast.body.TypeDeclaration
 import com.github.javaparser.ast.expr.*
@@ -37,6 +38,7 @@ class ClassPrinter(
     val GeneratedMember by lazy { classRef("com.android.internal.util.DataClass.Generated.Member") }
     val Parcelling by lazy { classRef("com.android.internal.util.Parcelling") }
     val Parcelable by lazy { classRef("android.os.Parcelable") }
+    val Parcel by lazy { classRef("android.os.Parcel") }
     val UnsupportedAppUsage by lazy { classRef("android.annotation.UnsupportedAppUsage") }
 
     init {
@@ -354,7 +356,9 @@ class ClassPrinter(
     }
 
     fun hasMethod(name: String, vararg argTypes: String): Boolean {
-        return classAst.methods.any {
+        val members: List<CallableDeclaration<*>> =
+                if (name == ClassName) classAst.constructors else classAst.methods
+        return members.any {
             it.name.asString() == name &&
                     it.parameters.map { it.type.asString() } == argTypes.toList()
         }
@@ -365,6 +369,10 @@ class ClassPrinter(
             .mapIndexed { i, node -> FieldInfo(index = i, fieldAst = node, classInfo = this) }
             .filter { hasMethod("lazyInit${it.NameUpperCamel}") }
 
+    val extendsParcelableClass by lazy {
+        Parcelable !in superInterfaces && superClass != null
+    }
+
     init {
         val builderFactoryOverride = classAst.methods.find {
             it.isStatic && it.nameAsString == "builder"