KT-56843 [SLC] Support unsafe property initializers

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/KtInitializerValue.kt

@@ -35,7 +35,7 @@ public class KtConstantInitializerValue(
  * See [KtConstantInitializerValue] for more info.
  */
 public class KtNonConstantInitializerValue(
-    override val initializerPsi: KtExpression?
+    override val initializerPsi: KtExpression?,
 ) : KtInitializerValue()
 
 /**

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/components/KtCompileTimeConstantProvider.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.analysis.api.components
 
+import org.jetbrains.kotlin.analysis.api.annotations.KtAnnotationValue
 import org.jetbrains.kotlin.analysis.api.base.KtConstantValue
 import org.jetbrains.kotlin.analysis.api.lifetime.withValidityAssertion
 import org.jetbrains.kotlin.psi.KtExpression
@@ -32,9 +33,22 @@ public abstract class KtCompileTimeConstantProvider : KtAnalysisSessionComponent
         expression: KtExpression,
         mode: KtConstantEvaluationMode,
     ): KtConstantValue?
+
+    public abstract fun evaluateAsAnnotationValue(expression: KtExpression): KtAnnotationValue?
 }
 
 public interface KtCompileTimeConstantProviderMixIn : KtAnalysisSessionMixIn {
+    /**
+     * Tries to evaluate the provided expression using the specified mode.
+     * Returns a [KtConstantValue] if the expression evaluates to a compile-time constant, otherwise returns null..
+     */
     public fun KtExpression.evaluate(mode: KtConstantEvaluationMode): KtConstantValue? =
         withValidityAssertion { analysisSession.compileTimeConstantProvider.evaluate(this, mode) }
+
+    /**
+     * Returns a [KtConstantValue] if the expression evaluates to a value that can be used as an annotation parameter value,
+     * e.g. an array of constants, otherwise returns null.
+     */
+    public fun KtExpression.evaluateAsAnnotationValue(): KtAnnotationValue? =
+        withValidityAssertion { analysisSession.compileTimeConstantProvider.evaluateAsAnnotationValue(this) }
 }