static void GenerateJniNativeInterface(TextWriter o)
{
o.WriteLine("#if FEATURE_JNIENVIRONMENT_SAFEHANDLES || FEATURE_JNIENVIRONMENT_JI_INTPTRS || FEATURE_JNIENVIRONMENT_XA_INTPTRS");
o.WriteLine("\t[StructLayout (LayoutKind.Sequential)]");
o.WriteLine("\tpartial struct JniNativeInterfaceStruct {");
o.WriteLine();
int maxName = JNIEnvEntries.Max(e => e.Name.Length);
o.WriteLine("#pragma warning disable 0649 // Field is assigned to, and will always have its default value `null`; ignore as it'll be set in native code.");
o.WriteLine("#pragma warning disable 0169 // Field never used; ignore since these fields make the structure have the right layout.");
for (int i = 0; i < 4; i++)
{
o.WriteLine("\t\tprivate IntPtr reserved{0}; // void*", i);
}
foreach (var e in JNIEnvEntries)
{
o.WriteLine("\t\tpublic IntPtr {0};{1} // {2}", e.Name, new string (' ', maxName - e.Name.Length), e.Prototype);
}
o.WriteLine("#pragma warning restore 0169");
o.WriteLine("#pragma warning restore 0649");
o.WriteLine("\t}");
o.WriteLine("#endif // FEATURE_JNIENVIRONMENT_SAFEHANDLES || FEATURE_JNIENVIRONMENT_JI_INTPTRS || FEATURE_JNIENVIRONMENT_XA_INTPTRS");
}
static void GenerateTypes(TextWriter o, HandleStyle style)
{
if (style == HandleStyle.JIIntPtrPinvokeWithErrors)
{
GenerateNativeMethods(o, style);
}
var visibilities = new Dictionary <string, string> {
{ ArrayOperationsCategory, "public" },
{ ClassesCategory, "public" },
{ ExceptionsCategory, "public" },
{ InstanceFieldsCategory, "public" },
{ InstanceMethodsCategory, "public" },
{ MonitorOperationsCategory, "public" },
{ NIOSupportCategory, "public" },
{ ObjectOperationsCategory, "public" },
{ ReferencesCatgeory, "public" },
{ StaticFieldsCategory, "public" },
{ StaticMethodsCategory, "public" },
{ StringOperationsCategory, "public" },
};
o.WriteLine("\tpartial class JniEnvironment {");
foreach (var t in JNIEnvEntries
.Select(e => e.DeclaringType ?? "JniEnvironment")
.Distinct()
.OrderBy(t => t))
{
string visibility;
if (!visibilities.TryGetValue(t, out visibility))
{
visibility = "internal";
}
GenerateJniEnv(o, t, visibility, style);
}
o.WriteLine("\t}");
}
static void GenerateJniEnv(TextWriter o)
{
o.WriteLine("\tpublic static partial class JNIEnv {");
foreach (JniFunction entry in JNIEnvEntries)
{
if (entry.Parameters == null)
{
continue;
}
o.WriteLine();
if (!useJavaInterop)
{
CreateDelegate(o, entry);
}
if (entry.IsPrivate || entry.CustomWrapper)
{
continue;
}
switch (entry.ApiName)
{
case "NewArray":
var copyArray = JNIEnvEntries.Single(e => e.Name.StartsWith("Get") && e.Name.EndsWith("ArrayRegion") &&
e.Parameters [0].Type.Type == entry.ReturnType.Type);
o.Write("\t\t{2} static {0} {1} (", entry.ReturnType.ManagedType, entry.ApiName, entry.Visibility);
o.WriteLine("{0} array)", copyArray.Parameters [3].Type.ManagedType);
o.WriteLine("\t\t{");
o.WriteLine("\t\t\tif (array == null)");
o.WriteLine("\t\t\t\treturn IntPtr.Zero;");
if (useJavaInterop)
{
o.WriteLine("\t\t\tJniObjectReference result;");
o.WriteLine("\t\t\tresult = JniEnvironment.{0}.{1} (array.Length);", entry.DeclaringType, entry.Name);
o.WriteLine("\t\t\tCopyArray (array, result.Handle);");
o.WriteLine("\t\t\treturn result.Handle;");
o.WriteLine("\t\t}");
break;
}
o.WriteLine("\t\t\tIntPtr result;");
o.WriteLine("\t\t\tresult = Env.{0} (Handle, array.Length);", entry.Name);
RaiseException(o, entry);
o.WriteLine("\t\t\tCopyArray (array, result);");
o.WriteLine("\t\t\treturn result;");
o.WriteLine("\t\t}");
break;
case "CopyArray":
o.Write("\t\t{2} static unsafe {0} {1} (", entry.ReturnType.ManagedType, entry.ApiName, entry.Visibility);
if (entry.Name.StartsWith("G"))
{
o.WriteLine("IntPtr src, {0} dest)", entry.Parameters [3].Type.ManagedType);
o.WriteLine("\t\t{");
o.WriteLine("\t\t\tif (src == IntPtr.Zero)");
o.WriteLine("\t\t\t\treturn;");
if (useJavaInterop)
{
var t = entry.Parameters [3].Type.ManagedType.Replace("[]", "*");
o.WriteLine("\t\t\tfixed ({0} __p = dest)", t);
o.WriteLine("\t\t\t\tJniEnvironment.{0}.{1} (new JniObjectReference (src), 0, dest.Length, {2}__p);",
entry.DeclaringType,
entry.Name,
t == "byte*" ? "(sbyte*) " : "");
o.WriteLine("\t\t}");
break;
}
o.WriteLine("\t\t\tEnv.{0} (Handle, src, 0, dest.Length, dest);", entry.Name);
}
else
{
o.WriteLine("{0} src, IntPtr dest)", entry.Parameters [3].Type.ManagedType);
o.WriteLine("\t\t{");
o.WriteLine("\t\t\tif (src == null)");
o.WriteLine("\t\t\t\tthrow new ArgumentNullException (\"src\");");
if (useJavaInterop)
{
var t = entry.Parameters [3].Type.ManagedType.Replace("[]", "*");
o.WriteLine("\t\t\tfixed ({0} __p = src)", t);
o.WriteLine("\t\t\t\tJniEnvironment.{0}.{1} (new JniObjectReference (dest), 0, src.Length, {2}__p);",
entry.DeclaringType,
entry.Name,
t == "byte*" ? "(sbyte*) " : "");
o.WriteLine("\t\t}");
break;
}
o.WriteLine("\t\t\tEnv.{0} (Handle, dest, 0, src.Length, src);", entry.Name);
}
RaiseException(o, entry);
o.WriteLine("\t\t}");
break;
default:
GenerateDefaultJniFunction(o, entry);
break;
}
}
o.WriteLine("\t}");
}
