Revise C++ code gen

Use () instead of {} for default initialization

Author: bocchino

compiler/lib/src/main/scala/codegen/CppWriter/ArrayCppWriter.scala

@@ -179,7 +179,7 @@ case class ArrayCppWriter (
       Nil,
       List(
         "Serializable()",
-        "elements{}"
+        "elements()"
       ),
       List.concat(
         initElementsCall,

compiler/lib/src/main/scala/codegen/CppWriter/StructCppWriter.scala

@@ -214,7 +214,7 @@ case class StructCppWriter(
         Some("Constructor (default value)"),
         Nil,
         "Serializable()" :: initializerListMemberNames.map(n => {
-          if defaultMemberNames.contains(n) then s"m_$n{}"
+          if defaultMemberNames.contains(n) then s"m_$n()"
           else defaultValueMembers(n) match {
             case v: Value.Struct => s"m_$n(${ValueCppWriter.writeStructMembers(s, v)})"
             case _: Value.AbsType => s"m_$n()"

compiler/tools/fpp-to-cpp/test/alias/AbsSerializableAc.ref.cpp

@@ -14,7 +14,7 @@
 Abs ::
   Abs() :
     Serializable(),
-    m_A{}
+    m_A()
 {
 
 }

compiler/tools/fpp-to-cpp/test/alias/BasicSerializableAc.ref.cpp

@@ -14,8 +14,8 @@
 Basic ::
   Basic() :
     Serializable(),
-    m_A{},
-    m_B{},
+    m_A(),
+    m_B(),
     m_C(m___fprime_ac_C_buffer, sizeof m___fprime_ac_C_buffer, Fw::String("")),
     m_D(m___fprime_ac_D_buffer, sizeof m___fprime_ac_D_buffer, Fw::String(""))
 {

compiler/tools/fpp-to-cpp/test/alias/NamespaceSerializableAc.ref.cpp

@@ -14,10 +14,10 @@
 Namespace ::
   Namespace() :
     Serializable(),
-    m_A{},
-    m_B{},
-    m_C{},
-    m_D{}
+    m_A(),
+    m_B(),
+    m_C(),
+    m_D()
 {
 
 }

compiler/tools/fpp-to-cpp/test/array/AArrayAc.ref.cpp

@@ -14,7 +14,7 @@
 A ::
   A() :
     Serializable(),
-    elements{}
+    elements()
 {
 
 }

compiler/tools/fpp-to-cpp/test/array/AbsTypeArrayAc.ref.cpp

@@ -14,7 +14,7 @@
 AbsType ::
   AbsType() :
     Serializable(),
-    elements{}
+    elements()
 {
 
 }

compiler/tools/fpp-to-cpp/test/array/AliasTypeArrayAc.ref.cpp

@@ -14,7 +14,7 @@
 AliasType ::
   AliasType() :
     Serializable(),
-    elements{}
+    elements()
 {
   *this = AliasType({0, 2, 3});
 }

compiler/tools/fpp-to-cpp/test/array/C_AArrayAc.ref.cpp

@@ -14,7 +14,7 @@
 C_A ::
   C_A() :
     Serializable(),
-    elements{}
+    elements()
 {
 
 }

compiler/tools/fpp-to-cpp/test/array/Enum1ArrayAc.ref.cpp

@@ -14,7 +14,7 @@
 Enum1 ::
   Enum1() :
     Serializable(),
-    elements{}
+    elements()
 {
   *this = Enum1({M::E1::X, M::E1::Y});
 }