diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/cpd/internal/JavaCCTokenizer.java b/pmd-core/src/main/java/net/sourceforge/pmd/cpd/internal/JavaCCTokenizer.java
index 2c6b840242..423008868c 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/cpd/internal/JavaCCTokenizer.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/cpd/internal/JavaCCTokenizer.java
@@ -17,7 +17,7 @@ import net.sourceforge.pmd.lang.ast.FileAnalysisException;
 import net.sourceforge.pmd.lang.ast.impl.javacc.CharStream;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccToken;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument.TokenDocumentBehavior;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.MalformedSourceException;
+import net.sourceforge.pmd.lang.ast.impl.javacc.MalformedSourceException;
 import net.sourceforge.pmd.lang.document.CpdCompat;
 import net.sourceforge.pmd.lang.document.TextDocument;
 
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/BackslashEscapeTranslator.java b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/BackslashEscapeTranslator.java
similarity index 97%
rename from pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/BackslashEscapeTranslator.java
rename to pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/BackslashEscapeTranslator.java
index 8d73be143c..4b9c0b258f 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/BackslashEscapeTranslator.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/BackslashEscapeTranslator.java
@@ -2,7 +2,7 @@
  * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
  */
 
-package net.sourceforge.pmd.lang.ast.impl.javacc.io;
+package net.sourceforge.pmd.lang.ast.impl.javacc;
 
 import static java.lang.Integer.min;
 
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/CharStream.java b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/CharStream.java
index a56f7bdb1d..b1a5c8f0d1 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/CharStream.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/CharStream.java
@@ -8,7 +8,6 @@ package net.sourceforge.pmd.lang.ast.impl.javacc;
 import java.io.EOFException;
 
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument.TokenDocumentBehavior;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.MalformedSourceException;
 import net.sourceforge.pmd.lang.document.Chars;
 import net.sourceforge.pmd.lang.document.FileLocation;
 import net.sourceforge.pmd.lang.document.TextDocument;
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/EscapeTranslator.java b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/EscapeTranslator.java
similarity index 98%
rename from pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/EscapeTranslator.java
rename to pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/EscapeTranslator.java
index 01b7f6c685..30431d995d 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/EscapeTranslator.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/EscapeTranslator.java
@@ -2,7 +2,7 @@
  * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
  */
 
-package net.sourceforge.pmd.lang.ast.impl.javacc.io;
+package net.sourceforge.pmd.lang.ast.impl.javacc;
 
 import static java.lang.Integer.min;
 
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/JavaEscapeTranslator.java b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaEscapeTranslator.java
similarity index 98%
rename from pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/JavaEscapeTranslator.java
rename to pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaEscapeTranslator.java
index dae5e1968e..a51f5ff08a 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/JavaEscapeTranslator.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaEscapeTranslator.java
@@ -2,7 +2,7 @@
  * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
  */
 
-package net.sourceforge.pmd.lang.ast.impl.javacc.io;
+package net.sourceforge.pmd.lang.ast.impl.javacc;
 
 import net.sourceforge.pmd.lang.document.Chars;
 import net.sourceforge.pmd.lang.document.TextDocument;
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaccTokenDocument.java b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaccTokenDocument.java
index 9f832d59cf..3538b6d4ff 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaccTokenDocument.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaccTokenDocument.java
@@ -12,8 +12,6 @@ import org.checkerframework.checker.nullness.qual.Nullable;
 
 import net.sourceforge.pmd.cpd.internal.JavaCCTokenizer;
 import net.sourceforge.pmd.lang.ast.impl.TokenDocument;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.EscapeTranslator;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.MalformedSourceException;
 import net.sourceforge.pmd.lang.document.TextDocument;
 
 /**
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/MalformedSourceException.java b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/MalformedSourceException.java
similarity index 94%
rename from pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/MalformedSourceException.java
rename to pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/MalformedSourceException.java
index 1708a442e1..bc3471861e 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/MalformedSourceException.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/lang/ast/impl/javacc/MalformedSourceException.java
@@ -2,7 +2,7 @@
  * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
  */
 
-package net.sourceforge.pmd.lang.ast.impl.javacc.io;
+package net.sourceforge.pmd.lang.ast.impl.javacc;
 
 import java.util.Objects;
 
diff --git a/pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/CharStreamImplTest.java b/pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/CharStreamTest.java
similarity index 72%
rename from pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/CharStreamImplTest.java
rename to pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/CharStreamTest.java
index fb371404fe..d88fb446f8 100644
--- a/pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/CharStreamImplTest.java
+++ b/pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/CharStreamTest.java
@@ -2,29 +2,24 @@
  * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
  */
 
-package net.sourceforge.pmd.lang.ast.impl.javacc.io;
+package net.sourceforge.pmd.lang.ast.impl.javacc;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
+import static org.junit.Assert.assertThrows;
 
 import java.io.EOFException;
 import java.io.IOException;
 import java.util.Collections;
 
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 import net.sourceforge.pmd.lang.LanguageRegistry;
 import net.sourceforge.pmd.lang.LanguageVersion;
-import net.sourceforge.pmd.lang.ast.impl.javacc.CharStream;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument.TokenDocumentBehavior;
 import net.sourceforge.pmd.lang.document.TextDocument;
 
-public class CharStreamImplTest {
+public class CharStreamTest {
 
-    @Rule
-    public ExpectedException expect = ExpectedException.none();
     private LanguageVersion dummyVersion = LanguageRegistry.getDefaultLanguage().getDefaultVersion();
 
     @Test
@@ -32,31 +27,10 @@ public class CharStreamImplTest {
 
         CharStream stream = simpleCharStream("");
 
-        expect.expect(EOFException.class);
+        assertThrows(EOFException.class, stream::readChar);
 
-        try {
-            stream.readChar();
-        } catch (Exception e) {
-            assertEquals(stream.getStartOffset(), 0);
-            assertEquals(stream.getEndOffset(), 0);
-            throw e;
-        }
-    }
-
-    @Test
-    public void testReadEofChars() throws IOException {
-
-        CharStream stream = simpleCharStream("");
-
-        expect.expect(EOFException.class);
-
-        try {
-            stream.readChar();
-        } catch (Exception e) {
-            assertEquals(0, stream.getStartOffset());
-            assertEquals(0, stream.getEndOffset());
-            throw e;
-        }
+        assertEquals(stream.getStartOffset(), 0);
+        assertEquals(stream.getEndOffset(), 0);
     }
 
     @Test
@@ -65,12 +39,7 @@ public class CharStreamImplTest {
         CharStream stream = simpleCharStream("");
 
         for (int i = 0; i < 3; i++) {
-            try {
-                stream.readChar();
-                fail();
-            } catch (EOFException ignored) {
-
-            }
+            assertThrows(EOFException.class, stream::readChar);
         }
 
     }
@@ -85,8 +54,7 @@ public class CharStreamImplTest {
         assertEquals('c', stream.readChar());
         assertEquals('d', stream.readChar());
 
-        expect.expect(EOFException.class);
-        stream.readChar();
+        assertThrows(EOFException.class, stream::readChar);
     }
 
     @Test
@@ -106,8 +74,7 @@ public class CharStreamImplTest {
         assertEquals('d', stream.readChar());
 
 
-        expect.expect(EOFException.class);
-        stream.readChar();
+        assertThrows(EOFException.class, stream::readChar);
     }
 
     @Test
@@ -135,10 +102,38 @@ public class CharStreamImplTest {
 
         assertEquals("\u00a0_", stream.getTokenImage());
 
-        expect.expect(EOFException.class);
-        stream.readChar();
+        assertThrows(EOFException.class, stream::readChar);
     }
 
+    @Test
+    public void testBacktrackTooMuch() throws IOException {
+
+        CharStream stream = simpleCharStream("abcd");
+
+        assertEquals('a', stream.readChar());
+        assertEquals('b', stream.readChar());
+        assertEquals('c', stream.markTokenStart());
+        assertEquals('d', stream.readChar());
+
+        stream.backup(2); // ok
+
+        assertThrows(IllegalArgumentException.class, () -> stream.backup(1));
+    }
+
+    @Test
+    public void testBacktrackTooMuch2() throws IOException {
+
+        CharStream stream = simpleCharStream("abcd");
+
+        assertEquals('a', stream.markTokenStart());
+        assertEquals('b', stream.readChar());
+        assertEquals('c', stream.readChar());
+        assertEquals('d', stream.readChar());
+
+        assertThrows(IllegalArgumentException.class, () -> stream.backup(10));
+    }
+
+
     public CharStream simpleCharStream(String abcd) {
         return CharStream.create(TextDocument.readOnlyString(abcd, dummyVersion), TokenDocumentBehavior.DEFAULT);
     }
@@ -154,34 +149,4 @@ public class CharStreamImplTest {
             });
     }
 
-    @Test
-    public void testBacktrackTooMuch() throws IOException {
-
-        CharStream stream = simpleCharStream("abcd");
-
-        assertEquals('a', stream.readChar());
-        assertEquals('b', stream.readChar());
-        assertEquals('c', stream.markTokenStart());
-        assertEquals('d', stream.readChar());
-
-        stream.backup(2); // ok
-        expect.expect(IllegalArgumentException.class);
-        stream.backup(1);
-    }
-
-    @Test
-    public void testBacktrackTooMuch2() throws IOException {
-
-        CharStream stream = simpleCharStream("abcd");
-
-        assertEquals('a', stream.markTokenStart());
-        assertEquals('b', stream.readChar());
-        assertEquals('c', stream.readChar());
-        assertEquals('d', stream.readChar());
-
-        expect.expect(IllegalArgumentException.class);
-        stream.backup(10);
-    }
-
-
 }
diff --git a/pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/JavaEscapeReaderTest.java b/pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaEscapeReaderTest.java
similarity index 76%
rename from pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/JavaEscapeReaderTest.java
rename to pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaEscapeReaderTest.java
index a59a7844e6..1d43033bd2 100644
--- a/pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/io/JavaEscapeReaderTest.java
+++ b/pmd-core/src/test/java/net/sourceforge/pmd/lang/ast/impl/javacc/JavaEscapeReaderTest.java
@@ -2,11 +2,12 @@
  * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
  */
 
-package net.sourceforge.pmd.lang.ast.impl.javacc.io;
+package net.sourceforge.pmd.lang.ast.impl.javacc;
+
+import static org.junit.Assert.assertEquals;
 
 import java.io.IOException;
 
-import org.junit.Assert;
 import org.junit.Test;
 
 import net.sourceforge.pmd.lang.LanguageRegistry;
@@ -27,7 +28,7 @@ public class JavaEscapeReaderTest {
 
         String input = "abcdede";
         try (TextDocument r = readString(input)) {
-            Assert.assertEquals(Chars.wrap(input), r.getText());
+            assertEquals(Chars.wrap(input), r.getText());
         }
     }
 
@@ -36,7 +37,7 @@ public class JavaEscapeReaderTest {
 
         String input = "abc\\dede";
         try (TextDocument r = readString(input)) {
-            Assert.assertEquals(Chars.wrap(input), r.getText());
+            assertEquals(Chars.wrap(input), r.getText());
         }
     }
 
@@ -45,7 +46,7 @@ public class JavaEscapeReaderTest {
 
         String input = "abc\\\\\\dede";
         try (TextDocument r = readString(input)) {
-            Assert.assertEquals(Chars.wrap(input), r.getText());
+            assertEquals(Chars.wrap(input), r.getText());
         }
     }
 
@@ -54,7 +55,7 @@ public class JavaEscapeReaderTest {
 
         String input = "abc\\\\\\u00a0dede";
         try (TextDocument r = readString(input)) {
-            Assert.assertEquals(Chars.wrap("abc\u00a0dede"), r.getText());
+            assertEquals(Chars.wrap("abc\u00a0dede"), r.getText());
         }
     }
 
@@ -63,7 +64,7 @@ public class JavaEscapeReaderTest {
 
         String input = "abc\\\\\\u00a0d\\uu00a0ede";
         try (TextDocument r = readString(input)) {
-            Assert.assertEquals(Chars.wrap("abc\u00a0d\u00a0ede"), r.getText());
+            assertEquals(Chars.wrap("abc\u00a0d\u00a0ede"), r.getText());
         }
     }
 
@@ -72,7 +73,7 @@ public class JavaEscapeReaderTest {
 
         String input = "abc\\\\\\u00a0dede\\u00a0";
         try (TextDocument r = readString(input)) {
-            Assert.assertEquals(Chars.wrap("abc\u00a0dede\u00a0"), r.getText());
+            assertEquals(Chars.wrap("abc\u00a0dede\u00a0"), r.getText());
         }
     }
 }
diff --git a/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CPPTokenizer.java b/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CPPTokenizer.java
index 05926029a1..011871adde 100644
--- a/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CPPTokenizer.java
+++ b/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CPPTokenizer.java
@@ -15,7 +15,7 @@ import net.sourceforge.pmd.lang.TokenManager;
 import net.sourceforge.pmd.lang.ast.impl.javacc.CharStream;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccToken;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument.TokenDocumentBehavior;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.MalformedSourceException;
+import net.sourceforge.pmd.lang.ast.impl.javacc.MalformedSourceException;
 import net.sourceforge.pmd.lang.cpp.ast.CppTokenKinds;
 import net.sourceforge.pmd.lang.document.TextDocument;
 
diff --git a/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CppBlockSkipper.java b/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CppBlockSkipper.java
index b8810034af..35857ef375 100644
--- a/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CppBlockSkipper.java
+++ b/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CppBlockSkipper.java
@@ -7,8 +7,8 @@ package net.sourceforge.pmd.cpd;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.EscapeTranslator;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.MalformedSourceException;
+import net.sourceforge.pmd.lang.ast.impl.javacc.EscapeTranslator;
+import net.sourceforge.pmd.lang.ast.impl.javacc.MalformedSourceException;
 import net.sourceforge.pmd.lang.document.Chars;
 import net.sourceforge.pmd.lang.document.TextDocument;
 
diff --git a/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CppEscapeTranslator.java b/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CppEscapeTranslator.java
index 32fbeddd1e..b89904ffaf 100644
--- a/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CppEscapeTranslator.java
+++ b/pmd-cpp/src/main/java/net/sourceforge/pmd/cpd/CppEscapeTranslator.java
@@ -4,7 +4,7 @@
 
 package net.sourceforge.pmd.cpd;
 
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.BackslashEscapeTranslator;
+import net.sourceforge.pmd.lang.ast.impl.javacc.BackslashEscapeTranslator;
 import net.sourceforge.pmd.lang.document.Chars;
 import net.sourceforge.pmd.lang.document.TextDocument;
 
diff --git a/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/JavaTokenDocumentBehavior.java b/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/JavaTokenDocumentBehavior.java
index b157209464..c551808760 100644
--- a/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/JavaTokenDocumentBehavior.java
+++ b/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/JavaTokenDocumentBehavior.java
@@ -17,8 +17,8 @@ import org.checkerframework.checker.nullness.qual.Nullable;
 import net.sourceforge.pmd.lang.ast.impl.javacc.CharStream;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccToken;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.JavaEscapeTranslator;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.MalformedSourceException;
+import net.sourceforge.pmd.lang.ast.impl.javacc.JavaEscapeTranslator;
+import net.sourceforge.pmd.lang.ast.impl.javacc.MalformedSourceException;
 import net.sourceforge.pmd.lang.document.TextDocument;
 
 /**
diff --git a/pmd-java/src/test/java/net/sourceforge/pmd/lang/java/ast/ParserCornersTest.java b/pmd-java/src/test/java/net/sourceforge/pmd/lang/java/ast/ParserCornersTest.java
index 9d1d1818d7..d974ab3262 100644
--- a/pmd-java/src/test/java/net/sourceforge/pmd/lang/java/ast/ParserCornersTest.java
+++ b/pmd-java/src/test/java/net/sourceforge/pmd/lang/java/ast/ParserCornersTest.java
@@ -15,7 +15,7 @@ import org.junit.Test;
 import org.junit.rules.ExpectedException;
 
 import net.sourceforge.pmd.lang.ast.ParseException;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.MalformedSourceException;
+import net.sourceforge.pmd.lang.ast.impl.javacc.MalformedSourceException;
 import net.sourceforge.pmd.lang.ast.test.BaseParsingHelper;
 import net.sourceforge.pmd.lang.java.BaseJavaTreeDumpTest;
 import net.sourceforge.pmd.lang.java.JavaParsingHelper;
diff --git a/pmd-visualforce/src/main/java/net/sourceforge/pmd/cpd/VfTokenizer.java b/pmd-visualforce/src/main/java/net/sourceforge/pmd/cpd/VfTokenizer.java
index a347c58d8f..198284c243 100644
--- a/pmd-visualforce/src/main/java/net/sourceforge/pmd/cpd/VfTokenizer.java
+++ b/pmd-visualforce/src/main/java/net/sourceforge/pmd/cpd/VfTokenizer.java
@@ -10,8 +10,8 @@ import net.sourceforge.pmd.lang.ast.impl.javacc.CharStream;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccToken;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument;
 import net.sourceforge.pmd.lang.ast.impl.javacc.JavaccTokenDocument.TokenDocumentBehavior;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.JavaEscapeTranslator;
-import net.sourceforge.pmd.lang.ast.impl.javacc.io.MalformedSourceException;
+import net.sourceforge.pmd.lang.ast.impl.javacc.JavaEscapeTranslator;
+import net.sourceforge.pmd.lang.ast.impl.javacc.MalformedSourceException;
 import net.sourceforge.pmd.lang.document.TextDocument;
 import net.sourceforge.pmd.lang.vf.ast.VfTokenKinds;