From 0edaac849d196d593b19dde81cb42929e587dc69 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Thu, 10 Oct 2019 08:45:10 +0200
Subject: [PATCH] incompatible types tooltip: append reason when provided for
 single arg mismatch

GitOrigin-RevId: 7be63b20a982cd0fb365e022278df6a5c02153f3
---
 .../daemon/impl/analysis/HighlightMethodUtil.java          | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java b/java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java
index 7b91af9b9daa..ddf1e9149e0d 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java
@@ -527,9 +527,14 @@ public class HighlightMethodUtil {
       boolean varargs = candidateInfo.getApplicabilityLevel() == MethodCandidateInfo.ApplicabilityLevel.VARARGS;
       int idx = ArrayUtil.find(expressions, wrongArg);
       PsiType paramType = candidateInfo.getSubstitutor().substitute(PsiTypesUtil.getParameterType(parameters, idx, varargs));
+      String errorMessage = candidateInfo.getInferenceErrorMessage();
+      String reason = errorMessage != null ? "<table><tr><td style='padding-left: 4px; padding-top: 10;'>" +
+                                             "reason: " + XmlStringUtil.escapeString(errorMessage).replaceAll("\n", "<br/>") +
+                                             "</td></tr></table>" 
+                                           : "";
       return HighlightUtil.createIncompatibleTypesTooltip(paramType, argType,
                                                           (lRawType, lTypeArguments, rRawType, rTypeArguments) ->
-                                                               JavaErrorMessages.message("incompatible.types.html.tooltip", lRawType, lTypeArguments, rRawType, rTypeArguments, "", "#" + ColorUtil.toHex(UIUtil.getContextHelpForeground())));
+                                                               JavaErrorMessages.message("incompatible.types.html.tooltip", lRawType, lTypeArguments, rRawType, rTypeArguments, reason, "#" + ColorUtil.toHex(UIUtil.getContextHelpForeground())));
     }
     return null;
   }