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C#: Report diagnostic for Node exports in a type that doesn't derive from Node

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This commit is contained in:
Raul Santos 2023-10-06 18:12:16 +02:00
parent 6916349697
commit bfe1a93023
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GPG key ID: B532473AE3A803E4
3 changed files with 44 additions and 1 deletions
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25
modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/Common.cs
View file

@ -220,6 +220,31 @@ namespace Godot.SourceGenerators
location?.SourceTree?.FilePath));
}
public static void ReportOnlyNodesShouldExportNodes(
GeneratorExecutionContext context,
ISymbol exportedMemberSymbol
)
{
var locations = exportedMemberSymbol.Locations;
var location = locations.FirstOrDefault(l => l.SourceTree != null) ?? locations.FirstOrDefault();
bool isField = exportedMemberSymbol is IFieldSymbol;
string message = $"Types not derived from Node should not export Node {(isField ? "fields" : "properties")}";
string description = $"{message}. Node export is only supported in Node-derived classes.";
context.ReportDiagnostic(Diagnostic.Create(
new DiagnosticDescriptor(id: "GD0107",
title: message,
messageFormat: message,
category: "Usage",
DiagnosticSeverity.Error,
isEnabledByDefault: true,
description),
location,
location?.SourceTree?.FilePath));
}
public static void ReportSignalDelegateMissingSuffix(
GeneratorExecutionContext context,
INamedTypeSymbol delegateSymbol)

2
modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ExtensionMethods.cs
View file

@ -32,7 +32,7 @@ namespace Godot.SourceGenerators
disabledGenerators != null &&
disabledGenerators.Split(';').Contains(generatorName));
public static bool InheritsFrom(this INamedTypeSymbol? symbol, string assemblyName, string typeFullName)
public static bool InheritsFrom(this ITypeSymbol? symbol, string assemblyName, string typeFullName)
{
while (symbol != null)
{

18
modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertyDefValGenerator.cs
View file

@ -166,6 +166,15 @@ namespace Godot.SourceGenerators
continue;
}
if (marshalType == MarshalType.GodotObjectOrDerived)
{
if (!symbol.InheritsFrom("GodotSharp", "Godot.Node") &&
propertyType.InheritsFrom("GodotSharp", "Godot.Node"))
{
Common.ReportOnlyNodesShouldExportNodes(context, property);
}
}
var propertyDeclarationSyntax = property.DeclaringSyntaxReferences
.Select(r => r.GetSyntax() as PropertyDeclarationSyntax).FirstOrDefault();
@ -261,6 +270,15 @@ namespace Godot.SourceGenerators
continue;
}
if (marshalType == MarshalType.GodotObjectOrDerived)
{
if (!symbol.InheritsFrom("GodotSharp", "Godot.Node") &&
fieldType.InheritsFrom("GodotSharp", "Godot.Node"))
{
Common.ReportOnlyNodesShouldExportNodes(context, field);
}
}
EqualsValueClauseSyntax? initializer = field.DeclaringSyntaxReferences
.Select(r => r.GetSyntax())
.OfType<VariableDeclaratorSyntax>()