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C#: Ignore property indexers and report if exported

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Ignore property indexers since they are unsupported and report a
diagnostic if an user tries to export it.
This commit is contained in:
Raul Santos 2022-08-28 18:16:57 +02:00
parent f38ea254f3
commit 761e2b1a65
No known key found for this signature in database
GPG Key ID: B532473AE3A803E4
4 changed files with 36 additions and 3 deletions
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26
modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/Common.cs
View File

@ -168,6 +168,32 @@ namespace Godot.SourceGenerators
location?.SourceTree?.FilePath));
}
public static void ReportExportedMemberIsIndexer(
GeneratorExecutionContext context,
ISymbol exportedMemberSymbol
)
{
var locations = exportedMemberSymbol.Locations;
var location = locations.FirstOrDefault(l => l.SourceTree != null) ?? locations.FirstOrDefault();
string message = $"Attempted to export indexer property: " +
$"'{exportedMemberSymbol.ToDisplayString()}'";
string description = $"{message}. Indexer properties can't be exported." +
" Remove the '[Export]' attribute.";
context.ReportDiagnostic(Diagnostic.Create(
new DiagnosticDescriptor(id: "GD0105",
title: message,
messageFormat: message,
category: "Usage",
DiagnosticSeverity.Error,
isEnabledByDefault: true,
description),
location,
location?.SourceTree?.FilePath));
}
public static void ReportSignalDelegateMissingSuffix(
GeneratorExecutionContext context,
INamedTypeSymbol delegateSymbol)

3
modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertiesGenerator.cs
View File

@ -112,7 +112,8 @@ namespace Godot.SourceGenerators
var propertySymbols = members
.Where(s => !s.IsStatic && s.Kind == SymbolKind.Property)
.Cast<IPropertySymbol>();
.Cast<IPropertySymbol>()
.Where(s => !s.IsIndexer);
var fieldSymbols = members
.Where(s => !s.IsStatic && s.Kind == SymbolKind.Field && !s.IsImplicitlyDeclared)

7
modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertyDefValGenerator.cs
View File

@ -134,6 +134,12 @@ namespace Godot.SourceGenerators
continue;
}
if (property.IsIndexer)
{
Common.ReportExportedMemberIsIndexer(context, property);
continue;
}
// TODO: We should still restore read-only properties after reloading assembly. Two possible ways: reflection or turn RestoreGodotObjectData into a constructor overload.
// Ignore properties without a getter or without a setter. Godot properties must be both readable and writable.
if (property.IsWriteOnly)
@ -148,7 +154,6 @@ namespace Godot.SourceGenerators
continue;
}
var propertyType = property.Type;
var marshalType = MarshalUtils.ConvertManagedTypeToMarshalType(propertyType, typeCache);

3
modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptSerializationGenerator.cs
View File

@ -112,7 +112,8 @@ namespace Godot.SourceGenerators
var propertySymbols = members
.Where(s => !s.IsStatic && s.Kind == SymbolKind.Property)
.Cast<IPropertySymbol>();
.Cast<IPropertySymbol>()
.Where(s => !s.IsIndexer);
var fieldSymbols = members
.Where(s => !s.IsStatic && s.Kind == SymbolKind.Field && !s.IsImplicitlyDeclared)