public void HandleRefOutPrimitiveType(PrimitiveType type, Enumeration @enum = null)
{
TypePrinter.PushContext(TypePrinterContextKind.Native);
var typeName = Context.Parameter.Visit(TypePrinter);
TypePrinter.PopContext();
// Perform null checking for all primitive value types.
string extraCheck = (type != PrimitiveType.String && Context.Parameter.IsInOut) ?
$" || {Context.ArgName}.get() == null" : string.Empty;
Context.SupportBefore.WriteLine($"if ({Context.ArgName} == null{extraCheck})");
Context.SupportBefore.WriteLineIndent($"throw new NullRefParameterException(\"{Context.Parameter.Name}\");");
string marshal = $"{Context.ArgName}.get()";
var isEnum = @enum != null;
if (isEnum)
{
marshal = $"{marshal}.getValue()";
}
if (type == PrimitiveType.Bool)
{
marshal = $"((byte) ({marshal} ? 1 : 0))";
}
var varName = JavaGenerator.GeneratedIdentifier(Context.ArgName);
Context.SupportBefore.Write($"{typeName} {varName} = ");
if (isEnum || type == PrimitiveType.Bool)
{
Context.SupportBefore.WriteLine($"new {typeName}({marshal});");
}
else
{
Context.SupportBefore.WriteLine($"({marshal}) != null ? new {typeName}({marshal}) : new {typeName}();");
}
Context.Return.Write(varName);
var value = $"{varName}.getValue()";
marshal = value;
if (isEnum)
{
marshal = $"{@enum.Name}.fromOrdinal({value})";
}
if (type == PrimitiveType.Bool)
{
marshal = $"{value} != 0";
}
Context.SupportAfter.WriteLine($"{Context.ArgName}.set({marshal});");
}
public static IEnumerable<string> GetPackageNames(Declaration decl)
{
var namespaces = Declaration.GatherNamespaces(decl.Namespace)
.Where(ns => !(ns is TranslationUnit));
var names = namespaces.Select(n => n.Name.ToLowerInvariant()).ToList();
names.Insert(0, JavaGenerator.GetNativeLibPackageName(decl.TranslationUnit));
return names;
}
public override bool VisitEnumDecl(Enumeration @enum)
{
if (IsByRefParameter)
{
HandleRefOutPrimitiveType(@enum.BuiltinType.Type, @enum);
return(true);
}
var typeName = @enum.BuiltinType.Visit(TypePrinter);
var varName = JavaGenerator.GeneratedIdentifier(Context.ArgName);
Context.SupportBefore.WriteLine($"{typeName} {varName} = {Context.ArgName}.getValue();");
Context.Return.Write(varName);
return(true);
}
public override bool VisitClassDecl(Class @class)
{
if (!VisitDeclaration(@class))
return false;
GenerateClassSpecifier(@class);
Write(" ");
WriteStartBraceIndent();
var hasNonInterfaceBase = @class.HasBaseClass && @class.BaseClass.IsGenerated
&& [email protected];
var objectIdent = JavaGenerator.GeneratedIdentifier("object");
if ([email protected] && [email protected])
{
if (!hasNonInterfaceBase)
{
WriteLine($"public {JavaGenerator.IntPtrType} {objectIdent};");
NewLine();
}
Write($"public {@class.Name}({JavaGenerator.IntPtrType} object) {{ ");
WriteLine(hasNonInterfaceBase ? "super(object); }" : $"this.{objectIdent} = object; }}");
NewLine();
var implementsInterfaces = @class.Bases.Any(b => b.Class.IsGenerated && b.Class.IsInterface);
if (implementsInterfaces)
{
WriteLine("@Override");
WriteLine($"public com.sun.jna.Pointer __getObject() {{ return this.{objectIdent}; }}");
NewLine();
}
}
VisitDeclContext(@class);
WriteCloseBraceIndent();
return true;
}
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 HandleRefOutPrimitiveType(PrimitiveType type, Enumeration @enum = null)
{
TypePrinter.PushContext(TypePrinterContextKind.Native);
var typeName = Context.Parameter.Visit(TypePrinter);
TypePrinter.PopContext();
CheckRefOutParameter(type != PrimitiveType.String && Context.Parameter.IsInOut);
string marshal = $"{Context.ArgName}.get()";
var isEnum = @enum != null;
if (isEnum)
{
marshal = $"{marshal}.getValue()";
}
if (type == PrimitiveType.Bool)
{
marshal = $"((byte) ({marshal} ? 1 : 0))";
}
if (IsReferenceIntegerType(type))
{
var integerTypeName = TypePrinter.VisitPrimitiveType(GetSignedIntegerType(type));
marshal = $"({integerTypeName}){marshal}.intValue()";
}
var varName = JavaGenerator.GeneratedIdentifier(Context.ArgName);
Context.SupportBefore.Write($"{typeName} {varName} = ");
if (isEnum || type == PrimitiveType.Bool || IsReferenceIntegerType(type))
{
Context.SupportBefore.WriteLine($"new {typeName}({marshal});");
}
else
{
Context.SupportBefore.WriteLine($"({marshal}) != null ? new {typeName}({marshal}) : new {typeName}();");
}
Context.Return.Write(varName);
var value = $"{varName}.getValue()";
marshal = value;
if (isEnum)
{
marshal = $"{@enum.Visit(TypePrinter)}.fromOrdinal({value})";
}
if (type == PrimitiveType.Bool)
{
marshal = $"{value} != 0";
}
if (IsReferenceIntegerType(type))
{
var integerTypeName = Context.Parameter.Type.Visit(TypePrinter);
marshal = $"new {integerTypeName}({value})";
}
Context.SupportAfter.WriteLine($"{Context.ArgName}.set({marshal});");
}