private void ProcessType(INamedTypeSymbol typeSymbol)
{
var isiOSView = typeSymbol.Is(_iosViewSymbol);
var ismacOSView = typeSymbol.Is(_macosViewSymbol);
var isAndroidView = typeSymbol.Is(_androidViewSymbol);
if (isiOSView || ismacOSView)
{
Func <IMethodSymbol, bool> predicate = m =>
!m.Parameters.IsDefaultOrEmpty &&
(
SymbolEqualityComparer.Default.Equals(m.Parameters[0].Type, _intPtrSymbol) ||
SymbolEqualityComparer.Default.Equals(m.Parameters[0].Type, _objcNativeHandleSymbol));
var nativeCtor = GetNativeCtor(typeSymbol, predicate, considerAllBaseTypes: false);
if (nativeCtor == null && GetNativeCtor(typeSymbol.BaseType, predicate, considerAllBaseTypes: true) != null)
{
_context.AddSource(
HashBuilder.BuildIDFromSymbol(typeSymbol),
GetGeneratedCode(typeSymbol));
}
}
if (isAndroidView)
{
Func <IMethodSymbol, bool> predicate = m => m.Parameters.Select(p => p.Type).SequenceEqual(_javaCtorParams ?? Array.Empty <ITypeSymbol?>());
var nativeCtor = GetNativeCtor(typeSymbol, predicate, considerAllBaseTypes: false);
if (nativeCtor == null && GetNativeCtor(typeSymbol.BaseType, predicate, considerAllBaseTypes: true) != null)
{
_context.AddSource(
HashBuilder.BuildIDFromSymbol(typeSymbol),
GetGeneratedCode(typeSymbol));
}
}
string GetGeneratedCode(INamedTypeSymbol typeSymbol)
{
var builder = new IndentedStringBuilder();
builder.AppendLineInvariant("// <auto-generated>");
builder.AppendLineInvariant("// *************************************************************");
builder.AppendLineInvariant("// This file has been generated by Uno.UI (NativeCtorsGenerator)");
builder.AppendLineInvariant("// *************************************************************");
builder.AppendLineInvariant("// </auto-generated>");
builder.AppendLine();
builder.AppendLineInvariant("using System;");
builder.AppendLine();
var disposables = typeSymbol.AddToIndentedStringBuilder(builder, beforeClassHeaderAction: builder =>
{
// These will be generated just before `partial class ClassName {`
builder.Append("#if __IOS__ || __MACOS__");
builder.AppendLine();
builder.AppendLineInvariant("[global::Foundation.Register]");
builder.Append("#endif");
builder.AppendLine();
});
var syntacticValidSymbolName = SyntaxFacts.GetKeywordKind(typeSymbol.Name) == SyntaxKind.None ? typeSymbol.Name : "@" + typeSymbol.Name;
if (NeedsExplicitDefaultCtor(typeSymbol))
{
builder.AppendLineInvariant("/// <summary>");
builder.AppendLineInvariant("/// Initializes a new instance of the class.");
builder.AppendLineInvariant("/// </summary>");
builder.AppendLineInvariant($"public {syntacticValidSymbolName}() {{{{ }}}}");
builder.AppendLine();
}
builder.Append("#if __ANDROID__");
builder.AppendLine();
builder.AppendLineInvariant("/// <summary>");
builder.AppendLineInvariant("/// Native constructor, do not use explicitly.");
builder.AppendLineInvariant("/// </summary>");
builder.AppendLineInvariant("/// <remarks>");
builder.AppendLineInvariant("/// Used by the Xamarin Runtime to materialize native ");
builder.AppendLineInvariant("/// objects that may have been collected in the managed world.");
builder.AppendLineInvariant("/// </remarks>");
builder.AppendLineInvariant($"public {syntacticValidSymbolName}(IntPtr javaReference, global::Android.Runtime.JniHandleOwnership transfer) : base (javaReference, transfer) {{{{ }}}}");
builder.Append("#endif");
builder.AppendLine();
builder.Append("#if __IOS__ || __MACOS__ || __MACCATALYST__");
builder.AppendLine();
builder.AppendLineInvariant("/// <summary>");
builder.AppendLineInvariant("/// Native constructor, do not use explicitly.");
builder.AppendLineInvariant("/// </summary>");
builder.AppendLineInvariant("/// <remarks>");
builder.AppendLineInvariant("/// Used by the Xamarin Runtime to materialize native ");
builder.AppendLineInvariant("/// objects that may have been collected in the managed world.");
builder.AppendLineInvariant("/// </remarks>");
builder.AppendLineInvariant($"public {syntacticValidSymbolName}(IntPtr handle) : base (handle) {{{{ }}}}");
if (_objcNativeHandleSymbol != null)
{
builder.AppendLineInvariant("/// <summary>");
builder.AppendLineInvariant("/// Native constructor, do not use explicitly.");
builder.AppendLineInvariant("/// </summary>");
builder.AppendLineInvariant("/// <remarks>");
builder.AppendLineInvariant("/// Used by the .NET Runtime to materialize native ");
builder.AppendLineInvariant("/// objects that may have been collected in the managed world.");
builder.AppendLineInvariant("/// </remarks>");
builder.AppendLineInvariant($"public {syntacticValidSymbolName}(global::ObjCRuntime.NativeHandle handle) : base (handle) {{{{ }}}}");
}
builder.Append("#endif");
builder.AppendLine();
while (disposables.Count > 0)
{
disposables.Pop().Dispose();
}
return(builder.ToString());
}