From 584c888e5bab016eb9d51cecac72358ac84b5c30 Mon Sep 17 00:00:00 2001
From: Mikhail Zarechenskiy <mikhail.zarechenskiy@jetbrains.com>
Date: Thu, 12 Jul 2018 15:39:30 +0300
Subject: [PATCH] Fix exception from UAST: don't use constant of error type

 #EA-121947 Fixed
---
 .../org/jetbrains/uast/kotlin/expressions/KotlinUExpression.kt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/uast-kotlin/src/org/jetbrains/uast/kotlin/expressions/KotlinUExpression.kt b/plugins/uast-kotlin/src/org/jetbrains/uast/kotlin/expressions/KotlinUExpression.kt
index b1b38f20dbf..3f384301391 100644
--- a/plugins/uast-kotlin/src/org/jetbrains/uast/kotlin/expressions/KotlinUExpression.kt
+++ b/plugins/uast-kotlin/src/org/jetbrains/uast/kotlin/expressions/KotlinUExpression.kt
@@ -19,6 +19,7 @@ package org.jetbrains.uast.kotlin
 import com.intellij.psi.PsiType
 import org.jetbrains.kotlin.psi.KtExpression
 import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.constants.UnsignedErrorValueTypeConstant
 import org.jetbrains.kotlin.types.TypeUtils
 import org.jetbrains.uast.UExpression
 
@@ -35,6 +36,8 @@ interface KotlinEvaluatableUElement : UExpression {
         val ktElement = psi as? KtExpression ?: return null
         
         val compileTimeConst = ktElement.analyze()[BindingContext.COMPILE_TIME_VALUE, ktElement]
+        if (compileTimeConst is UnsignedErrorValueTypeConstant) return null
+
         return compileTimeConst?.getValue(TypeUtils.NO_EXPECTED_TYPE)
     }
 }
\ No newline at end of file