From 4fc32e1f7cd9882c13ad5a945bd378d4f117eb47 Mon Sep 17 00:00:00 2001
From: Sam Harwell <sam@tunnelvisionlabs.com>
Date: Thu, 16 Jan 2014 10:34:55 -0600
Subject: [PATCH] Fix options not getting properly applied to extracted lexer
 in combined grammar (fixes #372)

---
 tool/src/org/antlr/v4/tool/GrammarTransformPipeline.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tool/src/org/antlr/v4/tool/GrammarTransformPipeline.java b/tool/src/org/antlr/v4/tool/GrammarTransformPipeline.java
index 52d69b2b9..33d966047 100644
--- a/tool/src/org/antlr/v4/tool/GrammarTransformPipeline.java
+++ b/tool/src/org/antlr/v4/tool/GrammarTransformPipeline.java
@@ -302,7 +302,9 @@ public class GrammarTransformPipeline {
 				if ( Grammar.lexerOptions.contains(optionName) &&
 					 !Grammar.doNotCopyOptionsToLexer.contains(optionName) )
 				{
-					lexerOptionsRoot.addChild((Tree)adaptor.dupTree(o));
+					GrammarAST optionTree = (GrammarAST)adaptor.dupTree(o);
+					lexerOptionsRoot.addChild(optionTree);
+					lexerAST.setOption(optionName, (GrammarAST)optionTree.getChild(1));
 				}
 			}
 		}