commit a2dafff413a0ae937cc37f5fc1a53f7d2012c7a8
author Jooyung Han <jooyung@google.com> Fri Mar 25 22:03:56 2022 +0900
committer Android Build Coastguard Worker <android-build-coastguard-worker@google.com> Fri Apr 08 20:29:35 2022 +0000
tree dc8c06f3d0145ff5b5d3eaba04304cbf1228edd1
parent c4618223d9bacac1119befbd03aa0dc03cd56131

Add automatic default value for primitive type fields

Primitive type fields are auto-initialized with '\0' when not specified.

(This is a non-trivial cherry-pick of
f04d003b4f5fa9f8ee73b6b560c897de45e644cd)

Bug: 206718630
Bug: 206718630
Test: aidl --lang cpp -o out -h out \
  tests/android/aidl/tests/StructuredParcelable.aidl
Test: aidl --lang ndk -o out -h out \
  tests/android/aidl/tests/StructuredParcelable.aidl
Merged-In: I15cfe2a90c0c9adca1692d9a9c997901b90bbbb6
Change-Id: I15cfe2a90c0c9adca1692d9a9c997901b90bbbb6
(cherry picked from commit 002662a5c4124d898f9424050ff8d42d99360365)
Merged-In: I15cfe2a90c0c9adca1692d9a9c997901b90bbbb6

generate_cpp.cpp

diff --git a/generate_cpp.cpp b/generate_cpp.cpp
index bbee9b3..b9b2d12 100644
--- a/generate_cpp.cpp
+++ b/generate_cpp.cpp
@@ -1118,6 +1118,9 @@
           out << " = " << cppType << "(0)";
         }
       }
+    } else if (AidlTypenames::IsPrimitiveTypename(variable->GetType().GetName()) &&
+               !variable->GetType().IsArray()) {
+      out << " = {}";
     }
     out << ";\n";