FIR: rename Diagnostic to DiagnosticData in checkers generators to avoid conflict with existing Diagnostic class

compiler/fir/checkers/checkers-component-generator/src/org/jetbrains/kotlin/fir/checkers/generator/diagnostics/DiagnosticData.kt

@@ -8,7 +8,7 @@ package org.jetbrains.kotlin.fir.checkers.generator.diagnostics
 import org.jetbrains.kotlin.diagnostics.Severity
 import kotlin.reflect.KType
 
-data class Diagnostic(
+data class DiagnosticData(
     val severity: Severity,
     val name: String,
     val sourceElementType: KType,
@@ -108,9 +108,9 @@ enum class PositioningStrategy(val expressionToCreate: String, val import: Strin
 private const val positioningStrategiesImport = "org.jetbrains.kotlin.fir.analysis.diagnostics.SourceElementPositioningStrategies"
 
 
-fun Diagnostic.hasDefaultPositioningStrategy(): Boolean =
+fun DiagnosticData.hasDefaultPositioningStrategy(): Boolean =
     positioningStrategy == PositioningStrategy.DEFAULT
 
 data class DiagnosticList(
-    val diagnostics: List<Diagnostic>,
+    val diagnostics: List<DiagnosticData>,
 )

compiler/fir/checkers/checkers-component-generator/src/org/jetbrains/kotlin/fir/checkers/generator/diagnostics/DiagnosticListBuilder.kt

@@ -17,7 +17,7 @@ import kotlin.reflect.typeOf
 
 class DiagnosticListBuilder private constructor() {
     @PrivateForInline
-    val diagnostics = mutableListOf<Diagnostic>()
+    val diagnostics = mutableListOf<DiagnosticData>()
 
     @PrivateForInline
     var currentGroupName: String? = null
@@ -100,7 +100,7 @@ class DiagnosticBuilder(
     }
 
     @OptIn(PrivateForInline::class)
-    fun build() = Diagnostic(
+    fun build() = DiagnosticData(
         severity,
         name,
         sourceElementType,

compiler/fir/checkers/checkers-component-generator/src/org/jetbrains/kotlin/fir/checkers/generator/diagnostics/ErrorListDiagnosticListRenderer.kt

@@ -43,7 +43,7 @@ object ErrorListDiagnosticListRenderer : DiagnosticListRenderer() {
 
     private fun SmartPrinter.printDiagnosticGroup(
         group: String?,
-        diagnostics: List<Diagnostic>
+        diagnostics: List<DiagnosticData>
     ) {
         println("// ${group ?: "NO GROUP"}")
         for (it in diagnostics) {
@@ -51,14 +51,14 @@ object ErrorListDiagnosticListRenderer : DiagnosticListRenderer() {
         }
     }
 
-    private fun SmartPrinter.printDiagnostic(diagnostic: Diagnostic) {
+    private fun SmartPrinter.printDiagnostic(diagnostic: DiagnosticData) {
         print("val ${diagnostic.name} by ${diagnostic.getFactoryFunction()}")
         printTypeArguments(diagnostic.getAllTypeArguments())
         printPositioningStrategy(diagnostic)
         println()
     }
 
-    private fun SmartPrinter.printPositioningStrategy(diagnostic: Diagnostic) {
+    private fun SmartPrinter.printPositioningStrategy(diagnostic: DiagnosticData) {
         print("(")
         if (!diagnostic.hasDefaultPositioningStrategy()) {
             print(diagnostic.positioningStrategy.expressionToCreate)
@@ -68,7 +68,7 @@ object ErrorListDiagnosticListRenderer : DiagnosticListRenderer() {
 
 
     @OptIn(ExperimentalStdlibApi::class)
-    private fun Diagnostic.getAllTypeArguments(): List<KType> = buildList {
+    private fun DiagnosticData.getAllTypeArguments(): List<KType> = buildList {
         add(sourceElementType)
         add(psiType)
         parameters.mapTo(this) { it.type }
@@ -124,7 +124,7 @@ object ErrorListDiagnosticListRenderer : DiagnosticListRenderer() {
     private val KType.kClass: KClass<*>
         get() = classifier as KClass<*>
 
-    private fun Diagnostic.getFactoryFunction(): String =
+    private fun DiagnosticData.getFactoryFunction(): String =
         severity.name.toLowerCase() + parameters.size
 }