public override bool VisitClassDecl(Class @class)
{
var @object = IsByRefParameter ? $"{Context.ArgName}.get()" : Context.ArgName;
var objectRef = @class.IsInterface ? "__getObject()" : "__object";
if (IsByRefParameter)
{
CheckRefOutParameter(Context.Parameter.IsInOut);
TypePrinter.PushContext(TypePrinterContextKind.Native);
var typeName = Context.Parameter.Visit(TypePrinter);
TypePrinter.PopContext();
var varName = JavaGenerator.GeneratedIdentifier(Context.ArgName);
var marshal = Context.Parameter.IsInOut ?
$"new {typeName}({@object}.{objectRef})" : $"new {typeName}()";
Context.SupportBefore.WriteLine($"{typeName} {varName} = {marshal};");
var marshalContext = new MarshalContext(Context.Context)
{
Parameter = Context.Parameter,
ReturnVarName = $"{varName}.getValue()"
};
var marshaler = new JavaMarshalNativeToManaged(marshalContext);
@class.Visit(marshaler);
Context.SupportAfter.WriteLine($"{Context.ArgName}.set({marshaler.Context.Return});");
Context.Return.Write(varName);
return(true);
}
Context.Return.Write($"{Context.ArgName} == null ? null : {Context.ArgName}.{objectRef}");
return(true);
}
public void GenerateMethodInvocation(Method method)
{
var contexts = new List<MarshalContext>();
var @params = new List<string>();
if (!method.IsStatic && !(method.IsConstructor || method.IsDestructor))
@params.Add("__object");
int paramIndex = 0;
foreach (var param in method.Parameters.Where(m => !m.IsImplicit))
{
var ctx = new MarshalContext(Context)
{
ArgName = param.Name,
Parameter = param,
ParameterIndex = paramIndex++
};
contexts.Add(ctx);
var marshal = new JavaMarshalManagedToNative(ctx);
param.Visit(marshal);
if (!string.IsNullOrWhiteSpace(marshal.Context.SupportBefore))
Write(marshal.Context.SupportBefore);
@params.Add(marshal.Context.Return);
}
PrimitiveType primitive;
method.ReturnType.Type.IsPrimitiveType(out primitive);
var hasReturn = primitive != PrimitiveType.Void && !(method.IsConstructor || method.IsDestructor);
if (hasReturn)
{
TypePrinter.PushContext(TypePrinterContextKind.Native);
var typeName = method.ReturnType.Visit(TypePrinter);
TypePrinter.PopContext();
Write($"{typeName.Type} __ret = ");
}
if (method.IsConstructor)
Write("__object = ");
var unit = method.TranslationUnit;
var package = string.Join(".", GetPackageNames(unit));
Write($"{package}.{JavaNative.GetNativeLibClassName(unit)}.INSTANCE.{JavaNative.GetCMethodIdentifier(method)}(");
Write(string.Join(", ", @params));
WriteLine(");");
WriteLine("mono.embeddinator.Runtime.checkExceptions();");
foreach (var marshal in contexts)
{
if (!string.IsNullOrWhiteSpace(marshal.SupportAfter))
Write(marshal.SupportAfter);
}
if (hasReturn)
{
var ctx = new MarshalContext(Context)
{
ReturnType = method.ReturnType,
ReturnVarName = "__ret"
};
var marshal = new JavaMarshalNativeToManaged(ctx);
method.ReturnType.Visit(marshal);
if (marshal.Context.Return.ToString().Length == 0)
throw new System.Exception();
if (!string.IsNullOrWhiteSpace(marshal.Context.SupportBefore))
Write(marshal.Context.SupportBefore);
WriteLine($"return {marshal.Context.Return};");
}
}