From 8d4977aeb92d8ee09debc44a4df35474c69ff83b Mon Sep 17 00:00:00 2001
From: "Gregory.Shrago" <gregory.shrago@jetbrains.com>
Date: Fri, 22 Nov 2013 20:10:42 +0400
Subject: [PATCH] introduce boolean empty_element_parsed_guard_()

---
 .../intellij/lang/parser/GeneratedParserUtilBase.java  | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/lang/parser/GeneratedParserUtilBase.java b/platform/lang-impl/src/com/intellij/lang/parser/GeneratedParserUtilBase.java
index a16ec6719eaa..c9b9ae264a7e 100644
--- a/platform/lang-impl/src/com/intellij/lang/parser/GeneratedParserUtilBase.java
+++ b/platform/lang-impl/src/com/intellij/lang/parser/GeneratedParserUtilBase.java
@@ -87,11 +87,15 @@ public class GeneratedParserUtilBase {
 
   @Deprecated
   public static void empty_element_parsed_guard_(PsiBuilder builder_, int offset_, String funcName_) {
-    empty_element_parsed_guard_(builder_, funcName_);
+    builder_.error("Empty element parsed in '" + funcName_ + "' at offset " + offset_);
   }
 
-  public static void empty_element_parsed_guard_(PsiBuilder builder_, String funcName_) {
-    builder_.error("Empty element parsed in '" + funcName_ +"' at offset " + builder_.getCurrentOffset());
+  public static boolean empty_element_parsed_guard_(PsiBuilder builder_, String funcName_, int prev_position_) {
+    if (prev_position_ == current_position_(builder_)) {
+      builder_.error("Empty element parsed in '" + funcName_ + "' at offset " + builder_.getCurrentOffset());
+      return false;
+    }
+    return true;
   }
 
   public static boolean invalid_left_marker_guard_(PsiBuilder builder_, PsiBuilder.Marker marker_, String funcName_) {