[groovy] branch GROOVY_3_0_X updated: Revert the changes of the implementation of `antlr2` factory method

[su...@apache.org]

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sunlan pushed a commit to branch GROOVY_3_0_X
in repository https://gitbox.apache.org/repos/asf/groovy.git


The following commit(s) were added to refs/heads/GROOVY_3_0_X by this push:
     new 1f841d2  Revert the changes of the implementation of `antlr2` factory method
1f841d2 is described below

commit 1f841d2563141e301c759e6982f19d6da5031e61
Author: Daniel Sun <su...@apache.org>
AuthorDate: Sat Dec 21 02:25:17 2019 +0800

    Revert the changes of the implementation of `antlr2` factory method
    
    The changes should be only on master(Groovy 4), but merged into 3_0_X by accident.
---
 .../java/org/codehaus/groovy/control/ParserPluginFactory.java     | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/java/org/codehaus/groovy/control/ParserPluginFactory.java b/src/main/java/org/codehaus/groovy/control/ParserPluginFactory.java
index ee09105..01e9a13 100644
--- a/src/main/java/org/codehaus/groovy/control/ParserPluginFactory.java
+++ b/src/main/java/org/codehaus/groovy/control/ParserPluginFactory.java
@@ -19,6 +19,7 @@
 package org.codehaus.groovy.control;
 
 import org.apache.groovy.parser.antlr4.Antlr4PluginFactory;
+import org.codehaus.groovy.antlr.AntlrParserPluginFactory;
 
 /**
  * A factory of parser plugin instances.
@@ -34,13 +35,12 @@ public abstract class ParserPluginFactory {
     }
 
     /**
-     * Creates the ANTLR 2 parser.
-     *
-     * @throws UnsupportedOperationException always
+     * creates the ANTLR 2.7 parser
+     * @return the factory for the parser
      */
     @Deprecated
     public static ParserPluginFactory antlr2() {
-        throw new UnsupportedOperationException("The Antlr2-based parser is no longer supported");
+        return new AntlrParserPluginFactory();
     }
 
     public abstract ParserPlugin createParserPlugin();