Add parsing and AST support for RecordArgABI information in class records.

src/AST/ClassLayout.cs

@@ -73,11 +73,33 @@ namespace CppSharp.AST
         public VTableLayout Layout;
     }
 
+    public enum RecordArgABI
+    {
+        /// <summary>
+        /// <para>Pass it using the normal C aggregate rules for the ABI,</para>
+        /// <para>potentially introducing extra copies and passing some</para>
+        /// <para>or all of it in registers.</para>
+        /// </summary>
+        Default = 0,
+        /// <summary>
+        /// <para>Pass it on the stack using its defined layout.</para>
+        /// <para>The argument must be evaluated directly into the correct</para>
+        /// <para>stack position in the arguments area, and the call machinery</para>
+        /// <para>must not move it or introduce extra copies.</para>
+        /// </summary>
+        DirectInMemory = 1,
+        /// <summary>Pass it as a pointer to temporary memory.</summary>
+        Indirect = 2
+    };
+
     // Represents ABI-specific layout details for a class.
     public class ClassLayout
     {
         public CppAbi ABI { get; set; }
 
+        /// Provides native argument ABI information.
+        public RecordArgABI ArgABI { get; set; }
+        
         /// Virtual function tables in Microsoft mode.
         public List<VFTableInfo> VFTables { get; set; }
 

src/CppParser/AST.cpp

@@ -228,8 +228,8 @@ LayoutBase::LayoutBase(const LayoutBase& other) : offset(other.offset), _class(o
 
 LayoutBase::~LayoutBase() {}
 
-ClassLayout::ClassLayout() : ABI(CppAbi::Itanium), hasOwnVFPtr(false),
-    VBPtrOffset(0), alignment(0), size(0), dataSize(0) {}
+ClassLayout::ClassLayout() : ABI(CppAbi::Itanium), argABI(RecordArgABI::Default),
+    hasOwnVFPtr(false), VBPtrOffset(0), alignment(0), size(0), dataSize(0) {}
 
 DEF_VECTOR(ClassLayout, VFTableInfo, VFTables)
 

src/CppParser/Bindings/CLI/Decl.cpp

@@ -2859,6 +2859,16 @@ void CppSharp::Parser::AST::ClassLayout::ABI::set(CppSharp::Parser::AST::CppAbi
     ((::CppSharp::CppParser::AST::ClassLayout*)NativePtr)->ABI = (::CppSharp::CppParser::AST::CppAbi)value;
 }
 
+CppSharp::Parser::AST::RecordArgABI CppSharp::Parser::AST::ClassLayout::ArgABI::get()
+{
+    return (CppSharp::Parser::AST::RecordArgABI)((::CppSharp::CppParser::AST::ClassLayout*)NativePtr)->argABI;
+}
+
+void CppSharp::Parser::AST::ClassLayout::ArgABI::set(CppSharp::Parser::AST::RecordArgABI value)
+{
+    ((::CppSharp::CppParser::AST::ClassLayout*)NativePtr)->argABI = (::CppSharp::CppParser::AST::RecordArgABI)value;
+}
+
 System::Collections::Generic::List<CppSharp::Parser::AST::VFTableInfo^>^ CppSharp::Parser::AST::ClassLayout::VFTables::get()
 {
     auto _tmp__VFTables = gcnew System::Collections::Generic::List<CppSharp::Parser::AST::VFTableInfo^>();

src/CppParser/Bindings/CLI/Decl.h

@@ -24,6 +24,7 @@ namespace CppSharp
             enum struct DeclarationKind;
             enum struct FriendKind;
             enum struct MacroLocation;
+            enum struct RecordArgABI;
             enum struct RefQualifierKind;
             enum struct StatementClassObsolete;
             enum struct TemplateSpecializationKind;
@@ -246,6 +247,25 @@ namespace CppSharp
                 iOS64 = 4
             };
 
+            public enum struct RecordArgABI
+            {
+                /// <summary>
+/// <para>Pass it using the normal C aggregate rules for the ABI,</para>
+/// <para>potentially introducing extra copies and passing some</para>
+/// <para>or all of it in registers.</para>
+/// </summary>
+                Default = 0,
+                /// <summary>
+/// <para>Pass it on the stack using its defined layout.</para>
+/// <para>The argument must be evaluated directly into the correct</para>
+/// <para>stack position in the arguments area, and the call machinery</para>
+/// <para>must not move it or introduce extra copies.</para>
+/// </summary>
+                DirectInMemory = 1,
+                /// <summary>Pass it as a pointer to temporary memory.</summary>
+                Indirect = 2
+            };
+
             public enum struct VTableComponentKind
             {
                 VCallOffset = 0,
@@ -1539,6 +1559,12 @@ namespace CppSharp
                     void set(CppSharp::Parser::AST::CppAbi);
                 }
 
+                property CppSharp::Parser::AST::RecordArgABI ArgABI
+                {
+                    CppSharp::Parser::AST::RecordArgABI get();
+                    void set(CppSharp::Parser::AST::RecordArgABI);
+                }
+
                 property System::Collections::Generic::List<CppSharp::Parser::AST::VFTableInfo^>^ VFTables
                 {
                     System::Collections::Generic::List<CppSharp::Parser::AST::VFTableInfo^>^ get();

src/CppParser/Bindings/CSharp/i686-apple-darwin12.4.0/CppSharp.CppParser.cs

@@ -6258,6 +6258,25 @@ namespace CppSharp
                 iOS64 = 4
             }
 
+            public enum RecordArgABI
+            {
+                /// <summary>
+/// <para>Pass it using the normal C aggregate rules for the ABI,</para>
+/// <para>potentially introducing extra copies and passing some</para>
+/// <para>or all of it in registers.</para>
+/// </summary>
+                Default = 0,
+                /// <summary>
+/// <para>Pass it on the stack using its defined layout.</para>
+/// <para>The argument must be evaluated directly into the correct</para>
+/// <para>stack position in the arguments area, and the call machinery</para>
+/// <para>must not move it or introduce extra copies.</para>
+/// </summary>
+                DirectInMemory = 1,
+                /// <summary>Pass it as a pointer to temporary memory.</summary>
+                Indirect = 2
+            }
+
             public enum VTableComponentKind
             {
                 VCallOffset = 0,
@@ -12138,37 +12157,40 @@ namespace CppSharp
 
             public unsafe partial class ClassLayout : IDisposable
             {
-                [StructLayout(LayoutKind.Explicit, Size = 72)]
+                [StructLayout(LayoutKind.Explicit, Size = 76)]
                 public partial struct __Internal
                 {
                     [FieldOffset(0)]
                     internal global::CppSharp.Parser.AST.CppAbi ABI;
 
                     [FieldOffset(4)]
+                    internal global::CppSharp.Parser.AST.RecordArgABI argABI;
+
+                    [FieldOffset(8)]
                     internal global::Std.Vector.__Internalc__N_std_N___1_S_vector____N_CppSharp_N_CppParser_N_AST_S_VFTableInfo___N_std_N___1_S_allocator__S0_ VFTables;
 
-                    [FieldOffset(16)]
+                    [FieldOffset(20)]
                     internal global::CppSharp.Parser.AST.VTableLayout.__Internal layout;
 
-                    [FieldOffset(28)]
+                    [FieldOffset(32)]
                     internal byte hasOwnVFPtr;
 
-                    [FieldOffset(32)]
+                    [FieldOffset(36)]
                     internal int VBPtrOffset;
 
-                    [FieldOffset(36)]
+                    [FieldOffset(40)]
                     internal int alignment;
 
-                    [FieldOffset(40)]
+                    [FieldOffset(44)]
                     internal int size;
 
-                    [FieldOffset(44)]
+                    [FieldOffset(48)]
                     internal int dataSize;
 
-                    [FieldOffset(48)]
+                    [FieldOffset(52)]
                     internal global::Std.Vector.__Internalc__N_std_N___1_S_vector____N_CppSharp_N_CppParser_N_AST_S_LayoutField___N_std_N___1_S_allocator__S0_ Fields;
 
-                    [FieldOffset(60)]
+                    [FieldOffset(64)]
                     internal global::Std.Vector.__Internalc__N_std_N___1_S_vector____N_CppSharp_N_CppParser_N_AST_S_LayoutBase___N_std_N___1_S_allocator__S0_ Bases;
 
                     [SuppressUnmanagedCodeSecurity]
@@ -12396,6 +12418,19 @@ namespace CppSharp
                     }
                 }
 
+                public global::CppSharp.Parser.AST.RecordArgABI ArgABI
+                {
+                    get
+                    {
+                        return ((global::CppSharp.Parser.AST.ClassLayout.__Internal*) __Instance)->argABI;
+                    }
+
+                    set
+                    {
+                        ((global::CppSharp.Parser.AST.ClassLayout.__Internal*)__Instance)->argABI = value;
+                    }
+                }
+
                 public global::CppSharp.Parser.AST.VTableLayout Layout
                 {
                     get

src/CppParser/Bindings/CSharp/i686-pc-win32-msvc/CppSharp.CppParser.cs

@@ -6258,6 +6258,25 @@ namespace CppSharp
                 iOS64 = 4
             }
 
+            public enum RecordArgABI
+            {
+                /// <summary>
+/// <para>Pass it using the normal C aggregate rules for the ABI,</para>
+/// <para>potentially introducing extra copies and passing some</para>
+/// <para>or all of it in registers.</para>
+/// </summary>
+                Default = 0,
+                /// <summary>
+/// <para>Pass it on the stack using its defined layout.</para>
+/// <para>The argument must be evaluated directly into the correct</para>
+/// <para>stack position in the arguments area, and the call machinery</para>
+/// <para>must not move it or introduce extra copies.</para>
+/// </summary>
+                DirectInMemory = 1,
+                /// <summary>Pass it as a pointer to temporary memory.</summary>
+                Indirect = 2
+            }
+
             public enum VTableComponentKind
             {
                 VCallOffset = 0,
@@ -12138,37 +12157,40 @@ namespace CppSharp
 
             public unsafe partial class ClassLayout : IDisposable
             {
-                [StructLayout(LayoutKind.Explicit, Size = 72)]
+                [StructLayout(LayoutKind.Explicit, Size = 76)]
                 public partial struct __Internal
                 {
                     [FieldOffset(0)]
                     internal global::CppSharp.Parser.AST.CppAbi ABI;
 
                     [FieldOffset(4)]
+                    internal global::CppSharp.Parser.AST.RecordArgABI argABI;
+
+                    [FieldOffset(8)]
                     internal global::Std.Vector.__Internalc__N_std_S_vector____N_CppSharp_N_CppParser_N_AST_S_VFTableInfo___N_std_S_allocator__S0_ VFTables;
 
-                    [FieldOffset(16)]
+                    [FieldOffset(20)]
                     internal global::CppSharp.Parser.AST.VTableLayout.__Internal layout;
 
-                    [FieldOffset(28)]
+                    [FieldOffset(32)]
                     internal byte hasOwnVFPtr;
 
-                    [FieldOffset(32)]
+                    [FieldOffset(36)]
                     internal int VBPtrOffset;
 
-                    [FieldOffset(36)]
+                    [FieldOffset(40)]
                     internal int alignment;
 
-                    [FieldOffset(40)]
+                    [FieldOffset(44)]
                     internal int size;
 
-                    [FieldOffset(44)]
+                    [FieldOffset(48)]
                     internal int dataSize;
 
-                    [FieldOffset(48)]
+                    [FieldOffset(52)]
                     internal global::Std.Vector.__Internalc__N_std_S_vector____N_CppSharp_N_CppParser_N_AST_S_LayoutField___N_std_S_allocator__S0_ Fields;
 
-                    [FieldOffset(60)]
+                    [FieldOffset(64)]
                     internal global::Std.Vector.__Internalc__N_std_S_vector____N_CppSharp_N_CppParser_N_AST_S_LayoutBase___N_std_S_allocator__S0_ Bases;
 
                     [SuppressUnmanagedCodeSecurity]
@@ -12396,6 +12418,19 @@ namespace CppSharp
                     }
                 }
 
+                public global::CppSharp.Parser.AST.RecordArgABI ArgABI
+                {
+                    get
+                    {
+                        return ((global::CppSharp.Parser.AST.ClassLayout.__Internal*) __Instance)->argABI;
+                    }
+
+                    set
+                    {
+                        ((global::CppSharp.Parser.AST.ClassLayout.__Internal*)__Instance)->argABI = value;
+                    }
+                }
+
                 public global::CppSharp.Parser.AST.VTableLayout Layout
                 {
                     get

src/CppParser/Bindings/CSharp/x86_64-apple-darwin12.4.0/CppSharp.CppParser.cs

@@ -6258,6 +6258,25 @@ namespace CppSharp
                 iOS64 = 4
             }
 
+            public enum RecordArgABI
+            {
+                /// <summary>
+/// <para>Pass it using the normal C aggregate rules for the ABI,</para>
+/// <para>potentially introducing extra copies and passing some</para>
+/// <para>or all of it in registers.</para>
+/// </summary>
+                Default = 0,
+                /// <summary>
+/// <para>Pass it on the stack using its defined layout.</para>
+/// <para>The argument must be evaluated directly into the correct</para>
+/// <para>stack position in the arguments area, and the call machinery</para>
+/// <para>must not move it or introduce extra copies.</para>
+/// </summary>
+                DirectInMemory = 1,
+                /// <summary>Pass it as a pointer to temporary memory.</summary>
+                Indirect = 2
+            }
+
             public enum VTableComponentKind
             {
                 VCallOffset = 0,
@@ -12143,6 +12162,9 @@ namespace CppSharp
                     [FieldOffset(0)]
                     internal global::CppSharp.Parser.AST.CppAbi ABI;
 
+                    [FieldOffset(4)]
+                    internal global::CppSharp.Parser.AST.RecordArgABI argABI;
+
                     [FieldOffset(8)]
                     internal global::Std.Vector.__Internalc__N_std_N___1_S_vector____N_CppSharp_N_CppParser_N_AST_S_VFTableInfo___N_std_N___1_S_allocator__S0_ VFTables;
 
@@ -12395,6 +12417,19 @@ namespace CppSharp
                     }
                 }
 
+                public global::CppSharp.Parser.AST.RecordArgABI ArgABI
+                {
+                    get
+                    {
+                        return ((global::CppSharp.Parser.AST.ClassLayout.__Internal*) __Instance)->argABI;
+                    }
+
+                    set
+                    {
+                        ((global::CppSharp.Parser.AST.ClassLayout.__Internal*)__Instance)->argABI = value;
+                    }
+                }
+
                 public global::CppSharp.Parser.AST.VTableLayout Layout
                 {
                     get

src/CppParser/Bindings/CSharp/x86_64-linux-gnu-cxx11abi/CppSharp.CppParser.cs

@@ -6258,6 +6258,25 @@ namespace CppSharp
                 iOS64 = 4
             }
 
+            public enum RecordArgABI
+            {
+                /// <summary>
+/// <para>Pass it using the normal C aggregate rules for the ABI,</para>
+/// <para>potentially introducing extra copies and passing some</para>
+/// <para>or all of it in registers.</para>
+/// </summary>
+                Default = 0,
+                /// <summary>
+/// <para>Pass it on the stack using its defined layout.</para>
+/// <para>The argument must be evaluated directly into the correct</para>
+/// <para>stack position in the arguments area, and the call machinery</para>
+/// <para>must not move it or introduce extra copies.</para>
+/// </summary>
+                DirectInMemory = 1,
+                /// <summary>Pass it as a pointer to temporary memory.</summary>
+                Indirect = 2
+            }
+
             public enum VTableComponentKind
             {
                 VCallOffset = 0,
@@ -12143,6 +12162,9 @@ namespace CppSharp
                     [FieldOffset(0)]
                     internal global::CppSharp.Parser.AST.CppAbi ABI;
 
+                    [FieldOffset(4)]
+                    internal global::CppSharp.Parser.AST.RecordArgABI argABI;
+
                     [FieldOffset(8)]
                     internal global::Std.Vector.__Internalc__N_std_S_vector____N_CppSharp_N_CppParser_N_AST_S_VFTableInfo___N_std_S_allocator__S0_ VFTables;
 
@@ -12395,6 +12417,19 @@ namespace CppSharp
                     }
                 }
 
+                public global::CppSharp.Parser.AST.RecordArgABI ArgABI
+                {
+                    get
+                    {
+                        return ((global::CppSharp.Parser.AST.ClassLayout.__Internal*) __Instance)->argABI;
+                    }
+
+                    set
+                    {
+                        ((global::CppSharp.Parser.AST.ClassLayout.__Internal*)__Instance)->argABI = value;
+                    }
+                }
+
                 public global::CppSharp.Parser.AST.VTableLayout Layout
                 {
                     get

src/CppParser/Bindings/CSharp/x86_64-linux-gnu/CppSharp.CppParser.cs

@@ -6258,6 +6258,25 @@ namespace CppSharp
                 iOS64 = 4
             }
 
+            public enum RecordArgABI
+            {
+                /// <summary>
+/// <para>Pass it using the normal C aggregate rules for the ABI,</para>
+/// <para>potentially introducing extra copies and passing some</para>
+/// <para>or all of it in registers.</para>
+/// </summary>
+                Default = 0,
+                /// <summary>
+/// <para>Pass it on the stack using its defined layout.</para>
+/// <para>The argument must be evaluated directly into the correct</para>
+/// <para>stack position in the arguments area, and the call machinery</para>
+/// <para>must not move it or introduce extra copies.</para>
+/// </summary>
+                DirectInMemory = 1,
+                /// <summary>Pass it as a pointer to temporary memory.</summary>
+                Indirect = 2
+            }
+
             public enum VTableComponentKind
             {
                 VCallOffset = 0,
@@ -12143,6 +12162,9 @@ namespace CppSharp
                     [FieldOffset(0)]
                     internal global::CppSharp.Parser.AST.CppAbi ABI;
 
+                    [FieldOffset(4)]
+                    internal global::CppSharp.Parser.AST.RecordArgABI argABI;
+
                     [FieldOffset(8)]
                     internal global::Std.Vector.__Internalc__N_std_S_vector____N_CppSharp_N_CppParser_N_AST_S_VFTableInfo___N_std_S_allocator__S0_ VFTables;
 
@@ -12395,6 +12417,19 @@ namespace CppSharp
                     }
                 }
 
+                public global::CppSharp.Parser.AST.RecordArgABI ArgABI
+                {
+                    get
+                    {
+                        return ((global::CppSharp.Parser.AST.ClassLayout.__Internal*) __Instance)->argABI;
+                    }
+
+                    set
+                    {
+                        ((global::CppSharp.Parser.AST.ClassLayout.__Internal*)__Instance)->argABI = value;
+                    }
+                }
+
                 public global::CppSharp.Parser.AST.VTableLayout Layout
                 {
                     get

src/CppParser/Bindings/CSharp/x86_64-pc-win32-msvc/CppSharp.CppParser.cs

@@ -6258,6 +6258,25 @@ namespace CppSharp
                 iOS64 = 4
             }
 
+            public enum RecordArgABI
+            {
+                /// <summary>
+/// <para>Pass it using the normal C aggregate rules for the ABI,</para>
+/// <para>potentially introducing extra copies and passing some</para>
+/// <para>or all of it in registers.</para>
+/// </summary>
+                Default = 0,
+                /// <summary>
+/// <para>Pass it on the stack using its defined layout.</para>
+/// <para>The argument must be evaluated directly into the correct</para>
+/// <para>stack position in the arguments area, and the call machinery</para>
+/// <para>must not move it or introduce extra copies.</para>
+/// </summary>
+                DirectInMemory = 1,
+                /// <summary>Pass it as a pointer to temporary memory.</summary>
+                Indirect = 2
+            }
+
             public enum VTableComponentKind
             {
                 VCallOffset = 0,
@@ -12144,6 +12163,9 @@ namespace CppSharp
                     [FieldOffset(0)]
                     internal global::CppSharp.Parser.AST.CppAbi ABI;
 
+                    [FieldOffset(4)]
+                    internal global::CppSharp.Parser.AST.RecordArgABI argABI;
+
                     [FieldOffset(8)]
                     internal global::Std.Vector.__Internalc__N_std_S_vector____N_CppSharp_N_CppParser_N_AST_S_VFTableInfo___N_std_S_allocator__S0_ VFTables;
 
@@ -12396,6 +12418,19 @@ namespace CppSharp
                     }
                 }
 
+                public global::CppSharp.Parser.AST.RecordArgABI ArgABI
+                {
+                    get
+                    {
+                        return ((global::CppSharp.Parser.AST.ClassLayout.__Internal*) __Instance)->argABI;
+                    }
+
+                    set
+                    {
+                        ((global::CppSharp.Parser.AST.ClassLayout.__Internal*)__Instance)->argABI = value;
+                    }
+                }
+
                 public global::CppSharp.Parser.AST.VTableLayout Layout
                 {
                     get

src/CppParser/Decl.h

@@ -524,10 +524,26 @@ public:
     Class* _class;
 };
 
+enum class RecordArgABI
+{
+    /// Pass it using the normal C aggregate rules for the ABI,
+    /// potentially introducing extra copies and passing some
+    /// or all of it in registers.
+    Default = 0,
+    /// Pass it on the stack using its defined layout.
+    /// The argument must be evaluated directly into the correct
+    /// stack position in the arguments area, and the call machinery
+    /// must not move it or introduce extra copies.
+    DirectInMemory,
+    /// Pass it as a pointer to temporary memory.
+    Indirect
+};
+
 struct CS_API ClassLayout
 {
     ClassLayout();
     CppAbi ABI;
+    RecordArgABI argABI;
     VECTOR(VFTableInfo, VFTables)
     VTableLayout layout;
     bool hasOwnVFPtr;

src/CppParser/Parser.cpp

@@ -941,6 +941,21 @@ bool Parser::IsSupported(const clang::CXXMethodDecl* MD)
             supportedStdTypes.end());
 }
 
+static RecordArgABI GetRecordArgABI(
+    clang::CodeGen::CGCXXABI::RecordArgABI argAbi)
+{
+    using namespace clang::CodeGen;
+    switch (argAbi)
+    {
+    case CGCXXABI::RecordArgABI::RAA_Default:
+        return RecordArgABI::Default;
+    case CGCXXABI::RecordArgABI::RAA_DirectInMemory:
+        return RecordArgABI::DirectInMemory;
+    case CGCXXABI::RecordArgABI::RAA_Indirect:
+        return RecordArgABI::Indirect;
+    }
+}
+
 void Parser::WalkRecord(const clang::RecordDecl* Record, Class* RC)
 {
     using namespace clang;
@@ -971,14 +986,23 @@ void Parser::WalkRecord(const clang::RecordDecl* Record, Class* RC)
 
     if (hasLayout)
     {
-        const auto& Layout = c->getASTContext().getASTRecordLayout(Record);
         if (!RC->layout)
             RC->layout = new ClassLayout();
+
         auto targetABI = c->getTarget().getCXXABI().getKind();
         RC->layout->ABI = GetClassLayoutAbi(targetABI);
+
+        if (auto CXXRD = llvm::dyn_cast_or_null<clang::CXXRecordDecl>(Record))
+        {
+            auto& CXXABI = codeGenTypes->getCXXABI();
+            RC->layout->argABI = GetRecordArgABI(CXXABI.getRecordArgABI(CXXRD));
+        }
+
+        const auto& Layout = c->getASTContext().getASTRecordLayout(Record);
         RC->layout->alignment = (int)Layout.getAlignment().getQuantity();
         RC->layout->size = (int)Layout.getSize().getQuantity();
         RC->layout->dataSize = (int)Layout.getDataSize().getQuantity();
+
         ReadClassLayout(RC, Record, CharUnits(), true);
     }
 

src/Parser/ASTConverter.cs

@@ -1577,11 +1577,27 @@ namespace CppSharp
             return _class;
         }
 
+        AST.RecordArgABI VisitRecordArgABI(RecordArgABI argAbi)
+        {
+            switch (argAbi)
+            {
+            case RecordArgABI.Default:
+                return AST.RecordArgABI.Default;
+            case RecordArgABI.DirectInMemory:
+                return AST.RecordArgABI.DirectInMemory;
+            case RecordArgABI.Indirect:
+                return AST.RecordArgABI.Indirect;
+            }
+
+            throw new NotImplementedException();
+        }
+
         AST.ClassLayout VisitClassLayout(ClassLayout layout)
         {
             var _layout = new AST.ClassLayout
             {
                 ABI = VisitCppAbi(layout.ABI),
+                ArgABI = VisitRecordArgABI(layout.ArgABI),
                 Layout = VisitVTableLayout(layout.Layout),
                 HasOwnVFPtr = layout.HasOwnVFPtr,
                 VBPtrOffset = layout.VBPtrOffset,