[FIR IDE] Implement pointers for JavaField and SyntheticJavaProperty symbols

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

@@ -14,6 +14,7 @@ import org.jetbrains.kotlin.fir.declarations.utils.isStatic
 import org.jetbrains.kotlin.analysis.api.fir.findPsi
 import org.jetbrains.kotlin.analysis.low.level.api.fir.api.FirModuleResolveState
 import org.jetbrains.kotlin.analysis.api.fir.KtSymbolByFirBuilder
+import org.jetbrains.kotlin.analysis.api.fir.symbols.pointers.KtFirJavaFieldSymbolPointer
 import org.jetbrains.kotlin.analysis.api.fir.utils.cached
 import org.jetbrains.kotlin.analysis.api.fir.utils.firRef
 import org.jetbrains.kotlin.analysis.api.fir.utils.weakRef
@@ -21,6 +22,7 @@ import org.jetbrains.kotlin.analysis.api.symbols.KtJavaFieldSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.markers.KtTypeAndAnnotations
 import org.jetbrains.kotlin.analysis.api.symbols.pointers.KtSymbolPointer
 import org.jetbrains.kotlin.analysis.api.tokens.ValidityToken
+import org.jetbrains.kotlin.fir.containingClass
 import org.jetbrains.kotlin.name.CallableId
 import org.jetbrains.kotlin.name.Name
 
@@ -48,7 +50,10 @@ internal class KtFirJavaFieldSymbol(
     override val isStatic: Boolean get() = firRef.withFir { it.isStatic }
 
     override fun createPointer(): KtSymbolPointer<KtJavaFieldSymbol> {
-        TODO("Creating pointers for java fields is not supported yet")
+        val containingClassId = firRef.withFir { it.containingClass()?.classId }
+            ?: error("Cannot find parent class for java field $callableIdIfNonLocal")
+
+        return KtFirJavaFieldSymbolPointer(containingClassId, name)
     }
 
     override fun equals(other: Any?): Boolean = symbolEquals(other)

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

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.analysis.api.fir.KtSymbolByFirBuilder
 import org.jetbrains.kotlin.analysis.api.fir.symbols.annotations.containsAnnotation
 import org.jetbrains.kotlin.analysis.api.fir.symbols.annotations.getAnnotationClassIds
 import org.jetbrains.kotlin.analysis.api.fir.symbols.annotations.toAnnotationsList
+import org.jetbrains.kotlin.analysis.api.fir.symbols.pointers.KtFirJavaSyntheticPropertySymbolPointer
 import org.jetbrains.kotlin.analysis.api.fir.utils.cached
 import org.jetbrains.kotlin.analysis.api.fir.utils.convertConstantExpression
 import org.jetbrains.kotlin.analysis.api.fir.utils.firRef
@@ -30,6 +31,7 @@ import org.jetbrains.kotlin.analysis.api.symbols.pointers.KtSymbolPointer
 import org.jetbrains.kotlin.analysis.api.tokens.ValidityToken
 import org.jetbrains.kotlin.analysis.api.types.KtType
 import org.jetbrains.kotlin.analysis.api.withValidityAssertion
+import org.jetbrains.kotlin.fir.containingClass
 import org.jetbrains.kotlin.name.CallableId
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.Name
@@ -95,7 +97,10 @@ internal class KtFirSyntheticJavaPropertySymbol(
     override val origin: KtSymbolOrigin get() = withValidityAssertion { KtSymbolOrigin.JAVA_SYNTHETIC_PROPERTY }
 
     override fun createPointer(): KtSymbolPointer<KtSyntheticJavaPropertySymbol> {
-        TODO("pointers to KtSyntheticJavaPropertySymbol is not supported yet")
+        val containingClassId = firRef.withFir { it.containingClass()?.classId }
+            ?: error("Cannot find parent class for synthetic java property $callableIdIfNonLocal")
+
+        return KtFirJavaSyntheticPropertySymbolPointer(containingClassId, name)
     }
 
     override fun equals(other: Any?): Boolean = symbolEquals(other)

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

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.analysis.api.fir.symbols.pointers
+
+import org.jetbrains.kotlin.analysis.api.fir.KtFirAnalysisSession
+import org.jetbrains.kotlin.analysis.api.symbols.KtJavaFieldSymbol
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.java.declarations.FirJavaField
+import org.jetbrains.kotlin.fir.scopes.FirScope
+import org.jetbrains.kotlin.fir.scopes.getProperties
+import org.jetbrains.kotlin.name.ClassId
+import org.jetbrains.kotlin.name.Name
+
+internal class KtFirJavaFieldSymbolPointer(
+    containingClassId: ClassId,
+    private val fieldName: Name
+) : KtFirMemberSymbolPointer<KtJavaFieldSymbol>(containingClassId) {
+    override fun KtFirAnalysisSession.chooseCandidateAndCreateSymbol(
+        candidates: FirScope,
+        firSession: FirSession
+    ): KtJavaFieldSymbol? {
+        val javaField =
+            candidates.getProperties(fieldName)
+                .mapNotNull { it.fir as? FirJavaField }
+                .singleOrNull()
+                ?: return null
+
+        return firSymbolBuilder.variableLikeBuilder.buildFieldSymbol(javaField)
+    }
+}

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

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.analysis.api.fir.symbols.pointers
+
+import org.jetbrains.kotlin.analysis.api.fir.KtFirAnalysisSession
+import org.jetbrains.kotlin.analysis.api.symbols.KtSyntheticJavaPropertySymbol
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.declarations.synthetic.FirSyntheticProperty
+import org.jetbrains.kotlin.fir.scopes.FirScope
+import org.jetbrains.kotlin.fir.scopes.getProperties
+import org.jetbrains.kotlin.name.ClassId
+import org.jetbrains.kotlin.name.Name
+
+internal class KtFirJavaSyntheticPropertySymbolPointer(
+    containingClassId: ClassId,
+    private val propertyName: Name
+) : KtFirMemberSymbolPointer<KtSyntheticJavaPropertySymbol>(containingClassId) {
+    override fun KtFirAnalysisSession.chooseCandidateAndCreateSymbol(
+        candidates: FirScope,
+        firSession: FirSession
+    ): KtSyntheticJavaPropertySymbol? {
+        val syntheticProperty =
+            candidates.getProperties(propertyName)
+                .mapNotNull { it.fir as? FirSyntheticProperty }
+                .singleOrNull()
+                ?: return null
+
+        return firSymbolBuilder.variableLikeBuilder.buildSyntheticJavaPropertySymbol(syntheticProperty)
+    }
+}