[SLC] introduce SymbolLightEmptyAnnotationParameterList

^KT-56046

analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/annotations/SymbolLightAbstractAnnotationParameterList.kt

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-2023 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.light.classes.symbol.annotations
+
+import com.intellij.psi.PsiAnnotationParameterList
+import org.jetbrains.kotlin.analysis.api.annotations.KtNamedAnnotationValue
+import org.jetbrains.kotlin.asJava.elements.KtLightElementBase
+import org.jetbrains.kotlin.psi.KtElement
+
+internal sealed class SymbolLightAbstractAnnotationParameterList(
+    parent: SymbolLightAbstractAnnotation,
+) : KtLightElementBase(parent), PsiAnnotationParameterList {
+    override val kotlinOrigin: KtElement?
+        get() = (parent as SymbolLightAbstractAnnotation).kotlinOrigin?.valueArgumentList
+
+    override fun equals(other: Any?): Boolean = other === this || other is SymbolLightLazyAnnotationParameterList && other.parent == parent
+    override fun hashCode(): Int = parent.hashCode()
+}
+
+internal fun SymbolLightAbstractAnnotation.symbolLightAnnotationParameterList(
+    arguments: List<KtNamedAnnotationValue> = emptyList(),
+): SymbolLightAbstractAnnotationParameterList = if (arguments.isNotEmpty()) {
+    SymbolLightLazyAnnotationParameterList(this, lazyOf(arguments))
+} else {
+    SymbolLightEmptyAnnotationParameterList(this)
+}

analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/annotations/SymbolLightAnnotationForAnnotationCall.kt

@@ -19,7 +19,7 @@ internal class SymbolLightAnnotationForAnnotationCall(
     parent: PsiModifierList,
 ) : SymbolLightAbstractAnnotation(parent) {
     private val _parameterList: PsiAnnotationParameterList by lazyPub {
-        SymbolLightLazyAnnotationParameterList(this, lazyOf(annotationCall.arguments))
+        symbolLightAnnotationParameterList(annotationCall.arguments)
     }
 
     override fun getParameterList(): PsiAnnotationParameterList = _parameterList

analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/annotations/SymbolLightEmptyAnnotationParameterList.kt

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2010-2023 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.light.classes.symbol.annotations
+
+import com.intellij.psi.PsiNameValuePair
+
+internal class SymbolLightEmptyAnnotationParameterList(
+    parent: SymbolLightAbstractAnnotation,
+) : SymbolLightAbstractAnnotationParameterList(parent) {
+    override fun getAttributes(): Array<PsiNameValuePair> = PsiNameValuePair.EMPTY_ARRAY
+}

analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/annotations/SymbolLightLazyAnnotation.kt

@@ -64,7 +64,11 @@ internal class SymbolLightLazyAnnotation private constructor(
     override fun getQualifiedName(): String = fqName.asString()
 
     private val _parameterList: PsiAnnotationParameterList by lazyPub {
-        SymbolLightLazyAnnotationParameterList(this, lazyPub { annotationApplication.value.arguments })
+        if (annotationOverview?.hasArguments == true || !specialAnnotationApplication?.arguments.isNullOrEmpty()) {
+            SymbolLightLazyAnnotationParameterList(this, lazyPub { annotationApplication.value.arguments })
+        } else {
+            SymbolLightEmptyAnnotationParameterList(this)
+        }
     }
 
     override fun getParameterList(): PsiAnnotationParameterList = _parameterList

analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/annotations/SymbolLightLazyAnnotationParameterList.kt

@@ -5,21 +5,14 @@
 
 package org.jetbrains.kotlin.light.classes.symbol.annotations
 
-import com.intellij.psi.PsiAnnotationParameterList
 import com.intellij.psi.PsiNameValuePair
 import org.jetbrains.kotlin.analysis.api.annotations.KtNamedAnnotationValue
 import org.jetbrains.kotlin.asJava.classes.lazyPub
-import org.jetbrains.kotlin.asJava.elements.KtLightElementBase
-import org.jetbrains.kotlin.psi.KtElement
 
 internal class SymbolLightLazyAnnotationParameterList(
     parent: SymbolLightAbstractAnnotation,
     private val lazyArguments: Lazy<List<KtNamedAnnotationValue>>,
-) : KtLightElementBase(parent),
-    PsiAnnotationParameterList {
-    override val kotlinOrigin: KtElement?
-        get() = (parent as SymbolLightAbstractAnnotation).kotlinOrigin?.valueArgumentList
-
+) : SymbolLightAbstractAnnotationParameterList(parent) {
     private val _attributes: Array<PsiNameValuePair> by lazyPub {
         val attributes = lazyArguments.value.map {
             SymbolNameValuePairForAnnotationArgument(it, this)
@@ -29,7 +22,4 @@ internal class SymbolLightLazyAnnotationParameterList(
     }
 
     override fun getAttributes(): Array<PsiNameValuePair> = _attributes
-
-    override fun equals(other: Any?): Boolean = other === this || other is SymbolLightLazyAnnotationParameterList && other.parent == parent
-    override fun hashCode(): Int = parent.hashCode()
 }

analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/annotations/SymbolLightSimpleAnnotation.kt

@@ -29,9 +29,8 @@ internal class SymbolLightSimpleAnnotation(
     override fun hashCode(): Int = fqName.hashCode()
 
     private val _parameterList: PsiAnnotationParameterList by lazyPub {
-        SymbolLightLazyAnnotationParameterList(this, lazyOf(arguments))
+        symbolLightAnnotationParameterList(arguments)
     }
 
     override fun getParameterList(): PsiAnnotationParameterList = _parameterList
-
 }