FIR: Don't use AnnotationUseSiteTarget.PROPERTY_GETTER when computing

deprecation from a callable reference use site.

Also fixed positioning of DEPRECATION(_ERROR) diagnostics on variable
assignments.

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/expression/FirDeprecationChecker.kt

@@ -37,7 +37,7 @@ object FirDeprecationChecker : FirBasicExpressionChecker() {
         val reference = resolvable.calleeReference as? FirResolvedNamedReference ?: return
         val referencedSymbol = reference.resolvedSymbol
 
-        reportDeprecationIfNeeded(expression.source, referencedSymbol, expression, context, reporter)
+        reportDeprecationIfNeeded(reference.source, referencedSymbol, expression, context, reporter)
     }
 
     internal fun reportDeprecationIfNeeded(

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

@@ -584,6 +584,12 @@ object LightTreePositioningStrategies {
             tree: FlyweightCapableTreeStructure<LighterASTNode>
         ): List<TextRange> {
             when {
+                node.tokenType == KtNodeTypes.BINARY_EXPRESSION && tree.findDescendantByType(node, KtTokens.EQ) != null -> {
+                    // Look for reference in LHS of variable assignment.
+                    tree.findExpressionDeep(node)?.let {
+                        return markElement(it, startOffset, endOffset, tree, node)
+                    }
+                }
                 node.tokenType == KtNodeTypes.CALL_EXPRESSION || node.tokenType == KtNodeTypes.CONSTRUCTOR_DELEGATION_CALL -> {
                     return markElement(tree.referenceExpression(node, locateReferencedName) ?: node, startOffset, endOffset, tree, node)
                 }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/declarations/deprecationUtils.kt

@@ -33,14 +33,16 @@ fun FirBasedSymbol<*>.getDeprecation(callSite: FirElement?): DeprecationInfo? {
     val deprecationInfos = mutableListOf<DeprecationInfo>()
     when (this) {
         is FirPropertySymbol ->
-            if (callSite is FirVariableAssignment) {
+            when (callSite) {
-                deprecationInfos.addIfNotNull(
+                is FirVariableAssignment ->
-                    getDeprecationForCallSite(AnnotationUseSiteTarget.PROPERTY_SETTER, AnnotationUseSiteTarget.PROPERTY)
+                    deprecationInfos.addIfNotNull(
-                )
+                        getDeprecationForCallSite(AnnotationUseSiteTarget.PROPERTY_SETTER, AnnotationUseSiteTarget.PROPERTY)
-            } else {
+                    )
-                deprecationInfos.addIfNotNull(
+                is FirPropertyAccessExpression ->
-                    getDeprecationForCallSite(AnnotationUseSiteTarget.PROPERTY_GETTER, AnnotationUseSiteTarget.PROPERTY)
+                    deprecationInfos.addIfNotNull(
-                )
+                        getDeprecationForCallSite(AnnotationUseSiteTarget.PROPERTY_GETTER, AnnotationUseSiteTarget.PROPERTY)
+                    )
+                else -> deprecationInfos.addIfNotNull(getDeprecationForCallSite(AnnotationUseSiteTarget.PROPERTY))
             }
         else -> deprecationInfos.addIfNotNull(getDeprecationForCallSite())
     }

compiler/frontend.common-psi/src/org/jetbrains/kotlin/diagnostics/PositioningStrategies.kt

@@ -896,6 +896,10 @@ object PositioningStrategies {
      */
     class FindReferencePositioningStrategy(val locateReferencedName: Boolean) : PositioningStrategy<PsiElement>() {
         override fun mark(element: PsiElement): List<TextRange> {
+            if (element is KtBinaryExpression && element.operationToken == KtTokens.EQ) {
+                // Look for reference in LHS of variable assignment.
+                element.left?.let { return mark(it) }
+            }
             var result: PsiElement = when (element) {
                 is KtQualifiedExpression -> {
                     when (val selectorExpression = element.selectorExpression) {

compiler/testData/diagnostics/tests/deprecated/deprecatedPropertyInheritance_after.fir.kt

@@ -96,16 +96,16 @@ fun use(
         diff: Diff
 ) {
     warningDeprecated.<!DEPRECATION!>p<!>
-    warningDeprecated.p <!DEPRECATION!>=<!> 1
+    warningDeprecated.<!DEPRECATION!>p<!> = 1
 
     errorDeprecated.<!DEPRECATION_ERROR!>p<!>
-    errorDeprecated.p <!DEPRECATION_ERROR!>=<!> 1
+    errorDeprecated.<!DEPRECATION_ERROR!>p<!> = 1
 
     getterDeprecated.<!DEPRECATION!>p<!>
     getterDeprecated.p = 1
 
     setterDeprecated.p
-    setterDeprecated.p <!DEPRECATION!>=<!> 1
+    setterDeprecated.<!DEPRECATION!>p<!> = 1
 
     hiddenDeprecated.<!UNRESOLVED_REFERENCE!>p<!>
     hiddenDeprecated.<!UNRESOLVED_REFERENCE!>p<!> = 1

compiler/testData/diagnostics/tests/deprecated/deprecatedPropertyInheritance_before.fir.kt

@@ -96,16 +96,16 @@ fun use(
         diff: Diff
 ) {
     warningDeprecated.<!DEPRECATION!>p<!>
-    warningDeprecated.p <!DEPRECATION!>=<!> 1
+    warningDeprecated.<!DEPRECATION!>p<!> = 1
 
     errorDeprecated.<!DEPRECATION_ERROR!>p<!>
-    errorDeprecated.p <!DEPRECATION_ERROR!>=<!> 1
+    errorDeprecated.<!DEPRECATION_ERROR!>p<!> = 1
 
     getterDeprecated.<!DEPRECATION!>p<!>
     getterDeprecated.p = 1
 
     setterDeprecated.p
-    setterDeprecated.p <!DEPRECATION!>=<!> 1
+    setterDeprecated.<!DEPRECATION!>p<!> = 1
 
     hiddenDeprecated.<!UNRESOLVED_REFERENCE!>p<!>
     hiddenDeprecated.<!UNRESOLVED_REFERENCE!>p<!> = 1

compiler/testData/diagnostics/tests/deprecated/propertyUsage.fir.kt

@@ -37,30 +37,30 @@ class PropertyHolder {
 }
 
 fun PropertyHolder.extFunction() {
-    test2 <!DEPRECATION!>=<!> "ext"
+    <!DEPRECATION!>test2<!> = "ext"
     <!DEPRECATION!>test1<!>
 }
 
 fun fn() {
     PropertyHolder().<!DEPRECATION!>test1<!>
     PropertyHolder().<!DEPRECATION!>test2<!>
-    PropertyHolder().test2 <!DEPRECATION!>=<!> ""
+    PropertyHolder().<!DEPRECATION!>test2<!> = ""
 
     PropertyHolder().<!DEPRECATION!>test3<!>
     PropertyHolder().test3 = ""
 
     PropertyHolder().test4
-    PropertyHolder().test4 <!DEPRECATION!>=<!> ""
+    PropertyHolder().<!DEPRECATION!>test4<!> = ""
 
     val a = PropertyHolder().<!DEPRECATION!>x<!>
     val b = PropertyHolder().<!DEPRECATION!>name<!>
-    PropertyHolder().name <!DEPRECATION!>=<!> "value"
+    PropertyHolder().<!DEPRECATION!>name<!> = "value"
 
     val d = PropertyHolder().valDelegate
     PropertyHolder().varDelegate = 1
 }
 
 fun literals() {
-    PropertyHolder::<!DEPRECATION!>test1<!>
+    PropertyHolder::test1
     PropertyHolder::<!DEPRECATION!>name<!>
 }

compiler/testData/diagnostics/tests/deprecated/propertyUseSiteTargetedAnnotations.fir.kt

@@ -1,31 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_EXPRESSION
-
-class PropertyHolder {
-    @Deprecated("")
-    val a1 = 1
-
-    @property:Deprecated("")
-    var a2 = ""
-
-    @get:Deprecated("")
-    public val withGetter: String = ""
-
-    @set:Deprecated("")
-    public var withSetter: String = ""
-}
-
-fun fn() {
-    val holder = PropertyHolder()
-
-    holder.<!DEPRECATION!>a1<!>
-    holder.<!DEPRECATION!>a2<!>
-    holder.<!DEPRECATION!>withGetter<!>
-    holder.withSetter <!DEPRECATION!>=<!> "A"
-}
-
-fun literals() {
-    PropertyHolder::<!DEPRECATION!>a1<!>
-    PropertyHolder::<!DEPRECATION!>a2<!>
-    PropertyHolder::<!DEPRECATION!>withGetter<!>
-    PropertyHolder::withSetter
-}

compiler/testData/diagnostics/tests/deprecated/propertyUseSiteTargetedAnnotations.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_EXPRESSION
 
 class PropertyHolder {

compiler/testData/diagnostics/tests/inline/protectedCallDepecation.fir.kt

@@ -21,7 +21,7 @@ open class A {
         <!PROTECTED_CALL_FROM_PUBLIC_INLINE!>test<!>()
         <!PROTECTED_CALL_FROM_PUBLIC_INLINE!>z<!>
         zVar
-        zVar <!PROTECTED_CALL_FROM_PUBLIC_INLINE!>=<!> "123"
+        <!PROTECTED_CALL_FROM_PUBLIC_INLINE!>zVar<!> = "123"
     }
 
     internal inline fun callFromInternal() {

compiler/testData/diagnostics/tests/inline/protectedCallError.fir.kt

@@ -21,7 +21,7 @@ open class A {
         <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>test<!>()
         <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>z<!>
         zVar
-        zVar <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>=<!> "123"
+        <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>zVar<!> = "123"
     }
 
     internal inline fun callFromInternal() {

compiler/testData/diagnostics/tests/syntheticExtensions/javaProperties/Deprecated.fir.kt

@@ -7,12 +7,12 @@ fun foo(javaClass: JavaClass) {
     javaClass.<!DEPRECATION!>something2<!>++
 
     javaClass.something3
-    javaClass.something3 <!DEPRECATION!>=<!> 1
+    javaClass.<!DEPRECATION!>something3<!> = 1
-    javaClass.something3<!DEPRECATION!>++<!>
+    javaClass.<!DEPRECATION!>something3<!>++
 
     javaClass.<!DEPRECATION!>something4<!>
-    javaClass.something4 <!DEPRECATION!>=<!> 1
+    javaClass.<!DEPRECATION!>something4<!> = 1
-    javaClass.<!DEPRECATION!>something4<!><!DEPRECATION!>++<!>
+    javaClass.<!DEPRECATION, DEPRECATION!>something4<!>++
 
     javaClass.something5
     javaClass.something5 = 1