From ec7d4fb2f12ddf7af96248705ce8811216c3bc79 Mon Sep 17 00:00:00 2001
From: "Denis.Zhdanov" <denzhdanov@gmail.com>
Date: Thu, 27 Sep 2012 14:17:55 +0400
Subject: [PATCH] IDEA-92081 Reformat causes syntax error when  "Ensure margin
 not exceeded"

---
 .../editor/GenericLineWrapPositionStrategy.java      | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/platform/platform-api/src/com/intellij/openapi/editor/GenericLineWrapPositionStrategy.java b/platform/platform-api/src/com/intellij/openapi/editor/GenericLineWrapPositionStrategy.java
index c2b014dd4f03..185cebf39684 100644
--- a/platform/platform-api/src/com/intellij/openapi/editor/GenericLineWrapPositionStrategy.java
+++ b/platform/platform-api/src/com/intellij/openapi/editor/GenericLineWrapPositionStrategy.java
@@ -70,6 +70,10 @@ public class GenericLineWrapPositionStrategy implements LineWrapPositionStrategy
         return i + 1;
       }
 
+      if (!canUseOffset(document, i, virtual)) {
+        continue;
+      }
+
       Rule rule = myRules.get(c);
       if (rule != null) {
         if (rule.condition == WrapCondition.BOTH || rule.condition == WrapCondition.AFTER) {
@@ -114,6 +118,10 @@ public class GenericLineWrapPositionStrategy implements LineWrapPositionStrategy
         return i + 1;
       }
 
+      if (!canUseOffset(document, i, virtual)) {
+        continue;
+      }
+      
       Rule rule = myRules.get(c);
       if (rule != null) {
         switch (rule.condition) {
@@ -132,6 +140,10 @@ public class GenericLineWrapPositionStrategy implements LineWrapPositionStrategy
     return -1;
   }
 
+  protected boolean canUseOffset(@NotNull Document document, int offset, boolean virtual) {
+    return true;
+  }
+
   /**
    * Registers given rule with the current strategy.
    *