FIR IDE: API to indicate delegated property

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/symbols/descriptorBased/KtFe10DescKotlinPropertySymbol.kt

@@ -96,7 +96,10 @@ internal class KtFe10DescKotlinPropertySymbol(
             return bindingContext[BindingContext.BACKING_FIELD_REQUIRED, descriptor] == true
         }
 
+    override val isDelegatedProperty: Boolean
+        get() = withValidityAssertion { descriptor.delegateField != null }
+
     override fun createPointer(): KtSymbolPointer<KtKotlinPropertySymbol> = withValidityAssertion {
         return KtPsiBasedSymbolPointer.createForSymbolFromSource(this) ?: KtFe10NeverRestoringSymbolPointer()
     }
-}
+}

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/symbols/psiBased/KtFe10PsiKotlinPropertySymbol.kt

@@ -74,6 +74,11 @@ internal class KtFe10PsiKotlinPropertySymbol(
             bindingContext[BindingContext.BACKING_FIELD_REQUIRED, descriptor] == true
         }
 
+    override val isDelegatedProperty: Boolean
+        get() = withValidityAssertion {
+            psi.hasDelegate()
+        }
+
     override val isFromPrimaryConstructor: Boolean
         get() = withValidityAssertion { false }
 
@@ -131,4 +136,4 @@ internal class KtFe10PsiKotlinPropertySymbol(
     override fun createPointer(): KtSymbolPointer<KtKotlinPropertySymbol> = withValidityAssertion {
         return KtPsiBasedSymbolPointer.createForSymbolFromSource(this) ?: KtFe10NeverRestoringSymbolPointer()
     }
-}
+}

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/symbols/KtFirKotlinPropertySymbol.kt

@@ -101,6 +101,8 @@ internal class KtFirKotlinPropertySymbol(
     // NB: `field` in accessors indicates the property should have a backing field. To see that, though, we need BODY_RESOLVE.
     override val hasBackingField: Boolean get() = firRef.withFir(FirResolvePhase.BODY_RESOLVE) { it.hasBackingField }
 
+    override val isDelegatedProperty: Boolean get() = firRef.withFir { it.delegateFieldSymbol != null }
+
     override val isLateInit: Boolean get() = firRef.withFir { it.isLateInit }
 
     override val isConst: Boolean get() = firRef.withFir { it.isConst }

analysis/analysis-api-fir/tests/org/jetbrains/kotlin/analysis/api/fir/symbols/FirSymbolByPsiTestGenerated.java

@@ -78,6 +78,12 @@ public class FirSymbolByPsiTestGenerated extends AbstractFirSymbolByPsiTest {
         runTest("analysis/analysis-api/testData/symbols/symbolByPsi/classWithTypeParams.kt");
     }
 
+    @Test
+    @TestMetadata("delegateField.kt")
+    public void testDelegateField() throws Exception {
+        runTest("analysis/analysis-api/testData/symbols/symbolByPsi/delegateField.kt");
+    }
+
     @Test
     @TestMetadata("deprecated.kt")
     public void testDeprecated() throws Exception {

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/symbols/KtVariableLikeSymbol.kt

@@ -90,6 +90,7 @@ public sealed class KtPropertySymbol : KtVariableSymbol(),
 
     public abstract val hasBackingField: Boolean
 
+    public abstract val isDelegatedProperty: Boolean
     public abstract val isFromPrimaryConstructor: Boolean
     public abstract val isOverride: Boolean
     public abstract val isStatic: Boolean
@@ -109,6 +110,7 @@ public abstract class KtKotlinPropertySymbol : KtPropertySymbol() {
 
 public abstract class KtSyntheticJavaPropertySymbol : KtPropertySymbol() {
     final override val hasBackingField: Boolean get() = true
+    final override val isDelegatedProperty: Boolean get() = false
     final override val hasGetter: Boolean get() = true
     final override val symbolKind: KtSymbolKind get() = KtSymbolKind.CLASS_MEMBER
 

analysis/analysis-api/testData/fileScopeTest/simpleFileScope.txt

@@ -46,6 +46,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 2
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/memberScopeByFqName/MutableList.txt

@@ -546,6 +546,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/memberScopeByFqName/java.lang.String.txt

@@ -76,6 +76,7 @@ KtSyntheticJavaPropertySymbol:
   hasGetter: true
   hasSetter: false
   initializer: null
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isOverride: false

analysis/analysis-api/testData/symbols/symbolByPsi/anonymousObject.txt

@@ -35,6 +35,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 123
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -79,6 +80,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: KtUnsupportedConstantValue
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/backingField.txt

@@ -67,6 +67,7 @@ KtKotlinPropertySymbol:
   hasSetter: true
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/classInitializer.txt

@@ -10,6 +10,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/classMembes.txt

@@ -10,6 +10,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 10
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/delegateField.kt

@@ -0,0 +1,11 @@
+// WITH_STDLIB
+
+class MyColor(val x: Int, val y: Int, val z: Int)
+
+class Some {
+    val delegate by lazy { MyColor(0x12 /* constant = 18 */, 2, 3) }
+
+    val lambda = lazy { MyColor(1, 2, 3) }
+
+    val nonLazy = MyColor(1, 2, 3)
+}

analysis/analysis-api/testData/symbols/symbolByPsi/delegateField.txt

@@ -0,0 +1,225 @@
+KtValueParameterSymbol:
+  annotatedType: [] kotlin/Int
+  annotationClassIds: []
+  annotations: []
+  callableIdIfNonLocal: null
+  hasDefaultValue: false
+  isExtension: false
+  isVararg: false
+  name: x
+  origin: SOURCE
+  receiverType: null
+  symbolKind: LOCAL
+  deprecationStatus: null
+
+KtValueParameterSymbol:
+  annotatedType: [] kotlin/Int
+  annotationClassIds: []
+  annotations: []
+  callableIdIfNonLocal: null
+  hasDefaultValue: false
+  isExtension: false
+  isVararg: false
+  name: y
+  origin: SOURCE
+  receiverType: null
+  symbolKind: LOCAL
+  deprecationStatus: null
+
+KtValueParameterSymbol:
+  annotatedType: [] kotlin/Int
+  annotationClassIds: []
+  annotations: []
+  callableIdIfNonLocal: null
+  hasDefaultValue: false
+  isExtension: false
+  isVararg: false
+  name: z
+  origin: SOURCE
+  receiverType: null
+  symbolKind: LOCAL
+  deprecationStatus: null
+
+KtConstructorSymbol:
+  annotatedType: [] MyColor
+  annotationClassIds: []
+  annotations: []
+  callableIdIfNonLocal: null
+  containingClassIdIfNonLocal: MyColor
+  dispatchType: null
+  hasStableParameterNames: true
+  isExtension: false
+  isPrimary: true
+  origin: SOURCE
+  receiverType: null
+  symbolKind: CLASS_MEMBER
+  typeParameters: []
+  valueParameters: [
+    KtValueParameterSymbol(x)
+    KtValueParameterSymbol(y)
+    KtValueParameterSymbol(z)
+  ]
+  visibility: Public
+  deprecationStatus: null
+
+KtNamedClassOrObjectSymbol:
+  annotationClassIds: []
+  annotations: []
+  classIdIfNonLocal: MyColor
+  classKind: CLASS
+  companionObject: null
+  isData: false
+  isExternal: false
+  isFun: false
+  isInline: false
+  isInner: false
+  modality: FINAL
+  name: MyColor
+  origin: SOURCE
+  superTypes: [
+    [] kotlin/Any
+  ]
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  visibility: Public
+  deprecationStatus: null
+
+KtAnonymousFunctionSymbol:
+  annotatedType: [] MyColor
+  callableIdIfNonLocal: null
+  hasStableParameterNames: true
+  isExtension: false
+  origin: SOURCE
+  receiverType: null
+  symbolKind: LOCAL
+  valueParameters: []
+  deprecationStatus: null
+
+KtKotlinPropertySymbol:
+  annotatedType: [] MyColor
+  annotationClassIds: []
+  annotations: []
+  callableIdIfNonLocal: /Some.delegate
+  dispatchType: Some
+  getter: KtPropertyGetterSymbol(<getter>)
+  hasBackingField: false
+  hasGetter: true
+  hasSetter: false
+  initializer: null
+  isConst: false
+  isDelegatedProperty: true
+  isExtension: false
+  isFromPrimaryConstructor: false
+  isLateInit: false
+  isOverride: false
+  isStatic: false
+  isVal: true
+  modality: FINAL
+  name: delegate
+  origin: SOURCE
+  receiverType: null
+  setter: null
+  symbolKind: CLASS_MEMBER
+  visibility: Public
+  deprecationStatus: null
+  getterDeprecationStatus: null
+  javaGetterName: getDelegate
+  javaSetterName: null
+  setterDeprecationStatus: null
+
+KtAnonymousFunctionSymbol:
+  annotatedType: [] MyColor
+  callableIdIfNonLocal: null
+  hasStableParameterNames: true
+  isExtension: false
+  origin: SOURCE
+  receiverType: null
+  symbolKind: LOCAL
+  valueParameters: []
+  deprecationStatus: null
+
+KtKotlinPropertySymbol:
+  annotatedType: [] kotlin/Lazy<MyColor>
+  annotationClassIds: []
+  annotations: []
+  callableIdIfNonLocal: /Some.lambda
+  dispatchType: Some
+  getter: KtPropertyGetterSymbol(<getter>)
+  hasBackingField: true
+  hasGetter: true
+  hasSetter: false
+  initializer: null
+  isConst: false
+  isDelegatedProperty: false
+  isExtension: false
+  isFromPrimaryConstructor: false
+  isLateInit: false
+  isOverride: false
+  isStatic: false
+  isVal: true
+  modality: FINAL
+  name: lambda
+  origin: SOURCE
+  receiverType: null
+  setter: null
+  symbolKind: CLASS_MEMBER
+  visibility: Public
+  deprecationStatus: null
+  getterDeprecationStatus: null
+  javaGetterName: getLambda
+  javaSetterName: null
+  setterDeprecationStatus: null
+
+KtKotlinPropertySymbol:
+  annotatedType: [] MyColor
+  annotationClassIds: []
+  annotations: []
+  callableIdIfNonLocal: /Some.nonLazy
+  dispatchType: Some
+  getter: KtPropertyGetterSymbol(<getter>)
+  hasBackingField: true
+  hasGetter: true
+  hasSetter: false
+  initializer: null
+  isConst: false
+  isDelegatedProperty: false
+  isExtension: false
+  isFromPrimaryConstructor: false
+  isLateInit: false
+  isOverride: false
+  isStatic: false
+  isVal: true
+  modality: FINAL
+  name: nonLazy
+  origin: SOURCE
+  receiverType: null
+  setter: null
+  symbolKind: CLASS_MEMBER
+  visibility: Public
+  deprecationStatus: null
+  getterDeprecationStatus: null
+  javaGetterName: getNonLazy
+  javaSetterName: null
+  setterDeprecationStatus: null
+
+KtNamedClassOrObjectSymbol:
+  annotationClassIds: []
+  annotations: []
+  classIdIfNonLocal: Some
+  classKind: CLASS
+  companionObject: null
+  isData: false
+  isExternal: false
+  isFun: false
+  isInline: false
+  isInner: false
+  modality: FINAL
+  name: Some
+  origin: SOURCE
+  superTypes: [
+    [] kotlin/Any
+  ]
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  visibility: Public
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/symbolByPsi/deprecated.txt

@@ -15,6 +15,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 1
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -46,6 +47,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 1
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -77,6 +79,7 @@ KtKotlinPropertySymbol:
   hasSetter: true
   initializer: 1
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -108,6 +111,7 @@ KtKotlinPropertySymbol:
   hasSetter: true
   initializer: 1
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -201,6 +205,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 1
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -289,6 +294,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 2
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -325,6 +331,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 2
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -361,6 +368,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 2
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/enumValueMember.txt

@@ -64,6 +64,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -106,6 +107,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/jvmName.txt

@@ -10,6 +10,7 @@ KtKotlinPropertySymbol:
   hasSetter: true
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -108,6 +109,7 @@ KtKotlinPropertySymbol:
   hasSetter: true
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/memberProperties.txt

@@ -10,6 +10,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 10
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -61,6 +62,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: true
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/topLevelProperties.txt

@@ -10,6 +10,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: 10
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false
@@ -61,6 +62,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: null
   isConst: false
+  isDelegatedProperty: false
   isExtension: true
   isFromPrimaryConstructor: false
   isLateInit: false

analysis/analysis-api/testData/symbols/symbolByPsi/typeAnnotations.txt

@@ -190,6 +190,7 @@ KtKotlinPropertySymbol:
   hasSetter: false
   initializer: KtUnsupportedConstantValue
   isConst: false
+  isDelegatedProperty: false
   isExtension: false
   isFromPrimaryConstructor: false
   isLateInit: false