Minor improvements

pmd-core/src/main/java/net/sourceforge/pmd/cpd/token/AntlrToken.java

@@ -0,0 +1,74 @@
+/**
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+package net.sourceforge.pmd.cpd.token;
+
+import org.antlr.v4.runtime.Lexer;
+import org.antlr.v4.runtime.Token;
+
+import net.sourceforge.pmd.lang.ast.GenericToken;
+
+/**
+ * Generic Antlr representation of a token.
+ */
+public class AntlrToken implements GenericToken {
+
+    private final Token token;
+    private final AntlrToken previousComment;
+
+    /**
+     * Constructor
+     *
+     * @param token The antlr token implementation
+     * @param previousComment The previous comment
+     */
+    public AntlrToken(final Token token, final AntlrToken previousComment) {
+        this.token = token;
+        this.previousComment = previousComment;
+    }
+
+    @Override
+    public GenericToken getNext() {
+        // Antlr implementation does not require this
+        return null;
+    }
+
+    @Override
+    public GenericToken getPreviousComment() {
+        return previousComment;
+    }
+
+    @Override
+    public String getImage() {
+        return token.getText();
+    }
+
+    @Override
+    public int getBeginLine() {
+        return token.getLine();
+    }
+
+    @Override
+    public int getEndLine() {
+        return token.getLine();
+    }
+
+    @Override
+    public int getBeginColumn() {
+        return token.getCharPositionInLine();
+    }
+
+    @Override
+    public int getEndColumn() {
+        return token.getCharPositionInLine() + token.getStopIndex() - token.getStartIndex();
+    }
+
+    public int getType() {
+        return token.getType();
+    }
+
+    public boolean isHidden() {
+        return token.getChannel() == Lexer.HIDDEN;
+    }
+}

pmd-go/src/main/java/net/sourceforge/pmd/lang/go/GoLanguageModule.java

@@ -17,10 +17,10 @@ public class GoLanguageModule extends BaseLanguageModule {
     public static final String TERSE_NAME = "go";
 
     /**
-     * Create a new instance of Swift Language Module.
+     * Create a new instance of Golang Language Module.
      */
     public GoLanguageModule() {
         super(NAME, null, TERSE_NAME, null, "go");
-        addVersion("", null, true);
+        addVersion("1", null, true);
     }
 }