FIR: position INAPPLICABLE_FILE_TARGET on file use-site (when possible)

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

@@ -70,6 +70,7 @@ enum class PositioningStrategy(private val strategy: String? = null) {
     FUN_INTERFACE,
     RESERVED_UNDERSCORE,
     QUESTION_MARK_BY_TYPE,
+    ANNOTATION_USE_SITE,
 
     ;
 

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

@@ -180,19 +180,19 @@ object DIAGNOSTICS_LIST : DiagnosticList() {
             parameter<String>("actualTarget")
             parameter<String>("useSiteTarget")
         }
-        val INAPPLICABLE_TARGET_ON_PROPERTY by error<PsiElement> {
+        val INAPPLICABLE_TARGET_ON_PROPERTY by error<KtAnnotationEntry> {
             parameter<String>("useSiteDescription")
         }
-        val INAPPLICABLE_TARGET_PROPERTY_IMMUTABLE by error<PsiElement> {
+        val INAPPLICABLE_TARGET_PROPERTY_IMMUTABLE by error<KtAnnotationEntry> {
             parameter<String>("useSiteDescription")
         }
-        val INAPPLICABLE_TARGET_PROPERTY_HAS_NO_DELEGATE by error<PsiElement>()
-        val INAPPLICABLE_TARGET_PROPERTY_HAS_NO_BACKING_FIELD by error<PsiElement>()
-        val INAPPLICABLE_PARAM_TARGET by error<PsiElement>()
-        val REDUNDANT_ANNOTATION_TARGET by warning<PsiElement> {
+        val INAPPLICABLE_TARGET_PROPERTY_HAS_NO_DELEGATE by error<KtAnnotationEntry>()
+        val INAPPLICABLE_TARGET_PROPERTY_HAS_NO_BACKING_FIELD by error<KtAnnotationEntry>()
+        val INAPPLICABLE_PARAM_TARGET by error<KtAnnotationEntry>()
+        val REDUNDANT_ANNOTATION_TARGET by warning<KtAnnotationEntry> {
             parameter<String>("useSiteDescription")
         }
-        val INAPPLICABLE_FILE_TARGET by error<PsiElement>()
+        val INAPPLICABLE_FILE_TARGET by error<KtAnnotationEntry>(PositioningStrategy.ANNOTATION_USE_SITE)
     }
 
     val EXPOSED_VISIBILITY by object : DiagnosticGroup("Exposed visibility") {

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/diagnostics/FirErrors.kt

@@ -181,13 +181,13 @@ object FirErrors {
     val RESTRICTED_RETENTION_FOR_EXPRESSION_ANNOTATION by error0<PsiElement>()
     val WRONG_ANNOTATION_TARGET by error1<KtAnnotationEntry, String>()
     val WRONG_ANNOTATION_TARGET_WITH_USE_SITE_TARGET by error2<KtAnnotationEntry, String, String>()
-    val INAPPLICABLE_TARGET_ON_PROPERTY by error1<PsiElement, String>()
-    val INAPPLICABLE_TARGET_PROPERTY_IMMUTABLE by error1<PsiElement, String>()
-    val INAPPLICABLE_TARGET_PROPERTY_HAS_NO_DELEGATE by error0<PsiElement>()
-    val INAPPLICABLE_TARGET_PROPERTY_HAS_NO_BACKING_FIELD by error0<PsiElement>()
-    val INAPPLICABLE_PARAM_TARGET by error0<PsiElement>()
-    val REDUNDANT_ANNOTATION_TARGET by warning1<PsiElement, String>()
-    val INAPPLICABLE_FILE_TARGET by error0<PsiElement>()
+    val INAPPLICABLE_TARGET_ON_PROPERTY by error1<KtAnnotationEntry, String>()
+    val INAPPLICABLE_TARGET_PROPERTY_IMMUTABLE by error1<KtAnnotationEntry, String>()
+    val INAPPLICABLE_TARGET_PROPERTY_HAS_NO_DELEGATE by error0<KtAnnotationEntry>()
+    val INAPPLICABLE_TARGET_PROPERTY_HAS_NO_BACKING_FIELD by error0<KtAnnotationEntry>()
+    val INAPPLICABLE_PARAM_TARGET by error0<KtAnnotationEntry>()
+    val REDUNDANT_ANNOTATION_TARGET by warning1<KtAnnotationEntry, String>()
+    val INAPPLICABLE_FILE_TARGET by error0<KtAnnotationEntry>(SourceElementPositioningStrategies.ANNOTATION_USE_SITE)
 
     // Exposed visibility
     val EXPOSED_TYPEALIAS_EXPANDED_TYPE by error3<KtNamedDeclaration, EffectiveVisibility, FirMemberDeclaration, EffectiveVisibility>(SourceElementPositioningStrategies.DECLARATION_NAME)

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/diagnostics/LightTreePositioningStrategies.kt

@@ -706,6 +706,21 @@ object LightTreePositioningStrategies {
             return super.mark(node, startOffset, endOffset, tree)
         }
     }
+
+    val ANNOTATION_USE_SITE: LightTreePositioningStrategy = object : LightTreePositioningStrategy() {
+        override fun mark(
+            node: LighterASTNode,
+            startOffset: Int,
+            endOffset: Int,
+            tree: FlyweightCapableTreeStructure<LighterASTNode>
+        ): List<TextRange> {
+            val useSiteTarget = tree.findChildByType(node, KtNodeTypes.ANNOTATION_TARGET)
+            if (useSiteTarget != null) {
+                return markElement(useSiteTarget, startOffset, endOffset, tree, node)
+            }
+            return super.mark(node, startOffset, endOffset, tree)
+        }
+    }
 }
 
 fun FirSourceElement.hasValOrVar(): Boolean =

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/diagnostics/SourceElementPositioningStrategies.kt

@@ -242,4 +242,9 @@ object SourceElementPositioningStrategies {
         LightTreePositioningStrategies.QUESTION_MARK_BY_TYPE,
         PositioningStrategies.QUESTION_MARK_BY_TYPE
     )
+
+    val ANNOTATION_USE_SITE = SourceElementPositioningStrategy(
+        LightTreePositioningStrategies.ANNOTATION_USE_SITE,
+        PositioningStrategies.ANNOTATION_USE_SITE
+    )
 }