[FIR] Add FirDelegateUsesExtensionPropertyTypeParameterChecker

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDataClassConverters.kt

@@ -2471,6 +2471,18 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirErrors.DELEGATE_USES_EXTENSION_PROPERTY_TYPE_PARAMETER) { firDiagnostic ->
+        DelegateUsesExtensionPropertyTypeParameterImpl(
+            firDiagnostic as FirPsiDiagnostic,
+            token,
+        )
+    }
+    add(FirErrors.DELEGATE_USES_EXTENSION_PROPERTY_TYPE_PARAMETER_WARNING) { firDiagnostic ->
+        DelegateUsesExtensionPropertyTypeParameterWarningImpl(
+            firDiagnostic as FirPsiDiagnostic,
+            token,
+        )
+    }
     add(FirErrors.INITIALIZER_TYPE_MISMATCH) { firDiagnostic ->
         InitializerTypeMismatchImpl(
             firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.a),

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnostics.kt

@@ -1749,6 +1749,14 @@ sealed class KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         abstract val actualType: KtType
     }
 
+    abstract class DelegateUsesExtensionPropertyTypeParameter : KtFirDiagnostic<KtProperty>() {
+        override val diagnosticClass get() = DelegateUsesExtensionPropertyTypeParameter::class
+    }
+
+    abstract class DelegateUsesExtensionPropertyTypeParameterWarning : KtFirDiagnostic<KtProperty>() {
+        override val diagnosticClass get() = DelegateUsesExtensionPropertyTypeParameterWarning::class
+    }
+
     abstract class InitializerTypeMismatch : KtFirDiagnostic<KtProperty>() {
         override val diagnosticClass get() = InitializerTypeMismatch::class
         abstract val expectedType: KtType

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnosticsImpl.kt

@@ -2103,6 +2103,16 @@ internal class WrongSetterParameterTypeImpl(
     override val token: ValidityToken,
 ) : KtFirDiagnostic.WrongSetterParameterType(), KtAbstractFirDiagnostic<KtTypeReference>
 
+internal class DelegateUsesExtensionPropertyTypeParameterImpl(
+    override val firDiagnostic: FirPsiDiagnostic,
+    override val token: ValidityToken,
+) : KtFirDiagnostic.DelegateUsesExtensionPropertyTypeParameter(), KtAbstractFirDiagnostic<KtProperty>
+
+internal class DelegateUsesExtensionPropertyTypeParameterWarningImpl(
+    override val firDiagnostic: FirPsiDiagnostic,
+    override val token: ValidityToken,
+) : KtFirDiagnostic.DelegateUsesExtensionPropertyTypeParameterWarning(), KtAbstractFirDiagnostic<KtProperty>
+
 internal class InitializerTypeMismatchImpl(
     override val expectedType: KtType,
     override val actualType: KtType,