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Fix freeze on FailedPredicateException

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Signed-off-by: Jan Sebechlebsky <jan.sebechlebsky@cz.ibm.com>
This commit is contained in:
Jan Sebechlebsky 2015-10-22 15:52:25 +02:00
parent 4a43c1aaa9
commit 34d61d4d80
1 changed files with 3 additions and 1 deletions
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4
plugins/org.eclipse.xtext/src/org/eclipse/xtext/parser/antlr/Lexer.java
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@ -13,6 +13,7 @@ import java.util.Map;
import org.antlr.runtime.CharStream;
import org.antlr.runtime.CommonToken;
import org.antlr.runtime.FailedPredicateException;
import org.antlr.runtime.NoViableAltException;
import org.antlr.runtime.RecognitionException;
import org.antlr.runtime.RecognizerSharedState;
@ -69,7 +70,8 @@ public abstract class Lexer extends org.antlr.runtime.Lexer {
}
catch (RecognitionException re) {
reportError(re);
if (re instanceof NoViableAltException) {
if (re instanceof NoViableAltException ||
re instanceof FailedPredicateException) {
recover(re);
}
// create token that holds mismatched char