Added a prettyprinter test case with some exotic java constructs, and fixed a few bugs involving these. Also removed the old pretty printer.

4 files changed, 122 insertions, 1761 deletions

diff --git a/src/delombok/lombok/delombok/PrettyCommentsPrinter.java b/src/delombok/lombok/delombok/PrettyCommentsPrinter.java
deleted file mode 100644
index ca44670d..00000000
--- a/src/delombok/lombok/delombok/PrettyCommentsPrinter.java
+++ /dev/null
@@ -1,1758 +0,0 @@
-/*
- * Copyright 1999-2006 Sun Microsystems, Inc.  All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Sun designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Sun in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- */
-
-/*
- * Code derived from com.sun.tools.javac.tree.Pretty, from the langtools project.
- * A version can be found at, for example, http://hg.openjdk.java.net/jdk7/build/langtools
- */
-package lombok.delombok;
-
-import static com.sun.tools.javac.code.Flags.*;
-import static lombok.javac.Javac.*;
-import static lombok.javac.JavacTreeMaker.TreeTag.treeTag;
-import static lombok.javac.JavacTreeMaker.TypeTag.typeTag;
-
-import java.io.IOException;
-import java.io.Writer;
-import java.lang.reflect.Field;
-import java.util.HashMap;
-import java.util.Map;
-
-import lombok.javac.CommentInfo;
-import lombok.javac.CommentInfo.EndConnection;
-import lombok.javac.CommentInfo.StartConnection;
-import lombok.javac.JavacTreeMaker.TreeTag;
-import lombok.javac.JavacTreeMaker.TypeTag;
-
-import com.sun.source.tree.Tree;
-import com.sun.tools.javac.code.Flags;
-import com.sun.tools.javac.code.Symbol;
-import com.sun.tools.javac.tree.DocCommentTable;
-import com.sun.tools.javac.tree.JCTree;
-import com.sun.tools.javac.tree.JCTree.JCAnnotation;
-import com.sun.tools.javac.tree.JCTree.JCArrayAccess;
-import com.sun.tools.javac.tree.JCTree.JCArrayTypeTree;
-import com.sun.tools.javac.tree.JCTree.JCAssert;
-import com.sun.tools.javac.tree.JCTree.JCAssign;
-import com.sun.tools.javac.tree.JCTree.JCAssignOp;
-import com.sun.tools.javac.tree.JCTree.JCBinary;
-import com.sun.tools.javac.tree.JCTree.JCBlock;
-import com.sun.tools.javac.tree.JCTree.JCBreak;
-import com.sun.tools.javac.tree.JCTree.JCCase;
-import com.sun.tools.javac.tree.JCTree.JCCatch;
-import com.sun.tools.javac.tree.JCTree.JCClassDecl;
-import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
-import com.sun.tools.javac.tree.JCTree.JCConditional;
-import com.sun.tools.javac.tree.JCTree.JCContinue;
-import com.sun.tools.javac.tree.JCTree.JCDoWhileLoop;
-import com.sun.tools.javac.tree.JCTree.JCEnhancedForLoop;
-import com.sun.tools.javac.tree.JCTree.JCErroneous;
-import com.sun.tools.javac.tree.JCTree.JCExpression;
-import com.sun.tools.javac.tree.JCTree.JCExpressionStatement;
-import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
-import com.sun.tools.javac.tree.JCTree.JCForLoop;
-import com.sun.tools.javac.tree.JCTree.JCIdent;
-import com.sun.tools.javac.tree.JCTree.JCIf;
-import com.sun.tools.javac.tree.JCTree.JCImport;
-import com.sun.tools.javac.tree.JCTree.JCInstanceOf;
-import com.sun.tools.javac.tree.JCTree.JCLabeledStatement;
-import com.sun.tools.javac.tree.JCTree.JCLiteral;
-import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
-import com.sun.tools.javac.tree.JCTree.JCMethodInvocation;
-import com.sun.tools.javac.tree.JCTree.JCModifiers;
-import com.sun.tools.javac.tree.JCTree.JCNewArray;
-import com.sun.tools.javac.tree.JCTree.JCNewClass;
-import com.sun.tools.javac.tree.JCTree.JCParens;
-import com.sun.tools.javac.tree.JCTree.JCPrimitiveTypeTree;
-import com.sun.tools.javac.tree.JCTree.JCReturn;
-import com.sun.tools.javac.tree.JCTree.JCSkip;
-import com.sun.tools.javac.tree.JCTree.JCStatement;
-import com.sun.tools.javac.tree.JCTree.JCSwitch;
-import com.sun.tools.javac.tree.JCTree.JCSynchronized;
-import com.sun.tools.javac.tree.JCTree.JCThrow;
-import com.sun.tools.javac.tree.JCTree.JCTry;
-import com.sun.tools.javac.tree.JCTree.JCTypeApply;
-import com.sun.tools.javac.tree.JCTree.JCTypeCast;
-import com.sun.tools.javac.tree.JCTree.JCTypeParameter;
-import com.sun.tools.javac.tree.JCTree.JCUnary;
-import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
-import com.sun.tools.javac.tree.JCTree.JCWhileLoop;
-import com.sun.tools.javac.tree.JCTree.JCWildcard;
-import com.sun.tools.javac.tree.JCTree.LetExpr;
-import com.sun.tools.javac.tree.JCTree.TypeBoundKind;
-import com.sun.tools.javac.tree.TreeInfo;
-import com.sun.tools.javac.tree.TreeScanner;
-import com.sun.tools.javac.util.List;
-import com.sun.tools.javac.util.Name;
-import com.sun.tools.javac.util.Position;
-//import com.sun.tools.javac.code.TypeTags;
-
-/** Prints out a tree as an indented Java source program.
- *
- *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
- *  you write code that depends on this, you do so at your own risk.
- *  This code and its internal interfaces are subject to change or
- *  deletion without notice.</b>
- */
-@SuppressWarnings("all") // Mainly sun code that has other warning settings
-public class PrettyCommentsPrinter extends JCTree.Visitor {
-	private static final TreeTag PARENS = treeTag("PARENS");
-	private static final TreeTag IMPORT = treeTag("IMPORT");
-	private static final TreeTag VARDEF = treeTag("VARDEF");
-	private static final TreeTag SELECT = treeTag("SELECT");
-	
-	private static final Map<TreeTag, String> OPERATORS;
-	
-	// StandardFlags | DEFAULT
-	private static final long EXTENDED_STANDARD_FLAGS = 0x0fffL | 1L<<43;
-	
-	static {
-		Map<TreeTag, String> map = new HashMap<TreeTag, String>();
-		
-		map.put(treeTag("POS"), "+");
-		map.put(treeTag("NEG"), "-");
-		map.put(treeTag("NOT"), "!");
-		map.put(treeTag("COMPL"), "~");
-		map.put(treeTag("PREINC"), "++");
-		map.put(treeTag("PREDEC"), "--");
-		map.put(treeTag("POSTINC"), "++");
-		map.put(treeTag("POSTDEC"), "--");
-		map.put(treeTag("NULLCHK"), "<*nullchk*>");
-		map.put(treeTag("OR"), "||");
-		map.put(treeTag("AND"), "&&");
-		map.put(treeTag("EQ"), "==");
-		map.put(treeTag("NE"), "!=");
-		map.put(treeTag("LT"), "<");
-		map.put(treeTag("GT"), ">");
-		map.put(treeTag("LE"), "<=");
-		map.put(treeTag("GE"), ">=");
-		map.put(treeTag("BITOR"), "|");
-		map.put(treeTag("BITXOR"), "^");
-		map.put(treeTag("BITAND"), "&");
-		map.put(treeTag("SL"), "<<");
-		map.put(treeTag("SR"), ">>");
-		map.put(treeTag("USR"), ">>>");
-		map.put(treeTag("PLUS"), "+");
-		map.put(treeTag("MINUS"), "-");
-		map.put(treeTag("MUL"), "*");
-		map.put(treeTag("DIV"), "/");
-		map.put(treeTag("MOD"), "%");
-		
-		map.put(treeTag("BITOR_ASG"), "|=");
-		map.put(treeTag("BITXOR_ASG"), "^=");
-		map.put(treeTag("BITAND_ASG"), "&=");
-		map.put(treeTag("SL_ASG"), "<<=");
-		map.put(treeTag("SR_ASG"), ">>=");
-		map.put(treeTag("USR_ASG"), ">>>=");
-		map.put(treeTag("PLUS_ASG"), "+=");
-		map.put(treeTag("MINUS_ASG"), "-=");
-		map.put(treeTag("MUL_ASG"), "*=");
-		map.put(treeTag("DIV_ASG"), "/=");
-		map.put(treeTag("MOD_ASG"), "%=");
-		
-		OPERATORS = map;
-	}
-	
-	private List<CommentInfo> comments;
-	private final JCCompilationUnit cu;
-	private boolean onNewLine = true;
-	private boolean aligned = false;
-	private boolean inParams = false;
-	
-	private boolean needsSpace = false;
-	private boolean needsNewLine = false;
-	private boolean needsAlign = false;
-	
-	// Flag for try-with-resources to make them not final and not print the last semicolon.
-	// This flag is set just before printing the vardef and cleared when printing its modifiers.
-	private boolean suppressFinalAndSemicolonsInTry = false;
-	
-	private final FormatPreferences formatPreferences;
-	
-	public PrettyCommentsPrinter(Writer out, JCCompilationUnit cu, List<CommentInfo> comments, FormatPreferences preferences) {
-		this.out = out;
-		this.comments = comments;
-		this.cu = cu;
-		this.formatPreferences = preferences;
-	}
-	
-	private int endPos(JCTree tree) {
-		return getEndPosition(tree, cu);
-	}
-	
-	private void consumeComments(int until) throws IOException {
-		consumeComments(until, null);
-	}
-	
-	private void consumeComments(int until, JCTree tree) throws IOException {
-		boolean prevNewLine = onNewLine;
-		CommentInfo head = comments.head;
-		while (comments.nonEmpty() && head.pos < until) {
-			printComment(head);
-			comments = comments.tail;
-			head = comments.head;
-		}
-		if (!onNewLine && prevNewLine) {
-			println();
-		}
-	}
-	
-	private void consumeTrailingComments(int from) throws IOException {
-		boolean prevNewLine = onNewLine;
-		CommentInfo head = comments.head;
-		boolean stop = false;
-		while (comments.nonEmpty() && head.prevEndPos == from && !stop && !(head.start == StartConnection.ON_NEXT_LINE || head.start == StartConnection.START_OF_LINE)) {
-			from = head.endPos;
-			printComment(head);
-			stop = (head.end == EndConnection.ON_NEXT_LINE);
-			comments = comments.tail;
-			head = comments.head;
-		}
-		if (!onNewLine && prevNewLine) {
-			println();
-		}
-	}
-	
-	private void printComment(CommentInfo comment) throws IOException {
-		prepareComment(comment.start);
-		print(comment.content);
-		switch (comment.end) {
-		case ON_NEXT_LINE:
-			if (!aligned) {
-				needsNewLine = true;
-				needsAlign = true;
-			}
-			break;
-		case AFTER_COMMENT:
-			needsSpace = true;
-			break;
-		case DIRECT_AFTER_COMMENT:
-			// do nothing
-			break;
-		}
-	}
-	
-	private void prepareComment(StartConnection start) throws IOException {
-		switch (start) {
-			case DIRECT_AFTER_PREVIOUS:
-				needsSpace = false;
-				break;
-			case AFTER_PREVIOUS:
-				needsSpace = true;
-				break;
-			case START_OF_LINE:
-				needsNewLine = true;
-				needsAlign = false;
-				break;
-			case ON_NEXT_LINE:
-				if (!aligned) {
-					needsNewLine = true;
-					needsAlign = true;
-				}
-				break;
-		}
-	}
-	
-	/** The output stream on which trees are printed.
-	 */
-	Writer out;
-	
-	/** The current left margin.
-	 */
-	int lmargin = 0;
-	
-	/** The enclosing class name.
-	 */
-	Name enclClassName;
-	
-	/** A hashtable mapping trees to their documentation comments
-	 *  (can be null)
-	 */
-	Map<JCTree, String> docComments = null;
-	DocCommentTable docTable = null;
-	
-	String getJavadocFor(JCTree node) {
-		if (docComments != null) return docComments.get(node);
-		if (docTable != null) return docTable.getCommentText(node);
-		return null;
-	}
-	
-	/** Align code to be indented to left margin.
-	 */
-	void align() throws IOException {
-		onNewLine = false;
-		aligned = true;
-		needsAlign = false;
-		for (int i = 0; i < lmargin; i++) out.write(formatPreferences.indent());
-	}
-	
-	/** Increase left margin by indentation width.
-	 */
-	void indent() {
-		lmargin++;
-	}
-	
-	/** Decrease left margin by indentation width.
-	 */
-	void undent() {
-		lmargin--;
-	}
-	
-	/** Enter a new precedence level. Emit a `(' if new precedence level
-	 *  is less than precedence level so far.
-	 *  @param contextPrec	The precedence level in force so far.
-	 *  @param ownPrec		The new precedence level.
-	 */
-	void open(int contextPrec, int ownPrec) throws IOException {
-		if (ownPrec < contextPrec) out.write("(");
-	}
-	
-	/** Leave precedence level. Emit a `(' if inner precedence level
-	 *  is less than precedence level we revert to.
-	 *  @param contextPrec	The precedence level we revert to.
-	 *  @param ownPrec		The inner precedence level.
-	 */
-	void close(int contextPrec, int ownPrec) throws IOException {
-		if (ownPrec < contextPrec) out.write(")");
-	}
-	
-	/** Print string, replacing all non-ascii character with unicode escapes.
-	 */
-	public void print(Object s) throws IOException {
-		boolean align = needsAlign;
-		if (needsNewLine && !onNewLine) {
-			println();
-		}
-		if (align && !aligned) {
-			align();
-		}
-		if (needsSpace && !onNewLine && !aligned) {
-			out.write(' ');
-		}
-		needsSpace = false;
-		
-		out.write(s.toString());
-		
-		onNewLine = false;
-		aligned = false;
-	}
-	
-	/** Print new line.
-	 */
-	public void println() throws IOException {
-		onNewLine = true;
-		aligned = false;
-		needsNewLine = false;
-		out.write(lineSep);
-	}
-	
-	String lineSep = System.getProperty("line.separator");
-	
-	/**************************************************************************
-	 * Traversal methods
-	 *************************************************************************/
-	
-	/** Exception to propagate IOException through visitXXX methods */
-	private static class UncheckedIOException extends Error {
-		static final long serialVersionUID = -4032692679158424751L;
-		UncheckedIOException(IOException e) {
-			super(e.getMessage(), e);
-		}
-	}
-	
-	/** Visitor argument: the current precedence level.
-	 */
-	int prec;
-	
-	/** Visitor method: print expression tree.
-	 *  @param prec  The current precedence level.
-	 */
-	public void printExpr(JCTree tree, int prec) throws IOException {
-		
-		int prevPrec = this.prec;
-		try {
-			this.prec = prec;
-			if (tree == null) print("/*missing*/");
-			else {
-				consumeComments(tree.pos, tree);
-				tree.accept(this);
-				int endPos = endPos(tree);
-				consumeTrailingComments(endPos);
-			}
-		} catch (UncheckedIOException ex) {
-			IOException e = new IOException(ex.getMessage());
-			e.initCause(ex);
-			throw e;
-		} finally {
-			this.prec = prevPrec;
-		}
-	}
-	
-	/** Derived visitor method: print expression tree at minimum precedence level
-	 *  for expression.
-	 */
-	public void printExpr(JCTree tree) throws IOException {
-		printExpr(tree, TreeInfo.noPrec);
-	}
-	
-	/** Derived visitor method: print statement tree.
-	 */
-	public void printStat(JCTree tree) throws IOException {
-		if (isEmptyStat(tree)) {
-			// printEmptyStat(); // -- starting in java 7, these get lost, so to be consistent, we never print them.
-		} else {
-			printExpr(tree, TreeInfo.notExpression);
-		}
-	}
-	
-	public void printEmptyStat() throws IOException {
-		print(";");
-	}
-	
-	public boolean isEmptyStat(JCTree tree) {
-		if (!(tree instanceof JCBlock)) return false;
-		JCBlock block = (JCBlock) tree;
-		return (Position.NOPOS == block.pos) && block.stats.isEmpty();
-	}
-
-	/** Derived visitor method: print list of expression trees, separated by given string.
-	 *  @param sep the separator string
-	 */
-	public <T extends JCTree> void printExprs(List<T> trees, String sep) throws IOException {
-		if (trees.nonEmpty()) {
-			printExpr(trees.head);
-			for (List<T> l = trees.tail; l.nonEmpty(); l = l.tail) {
-				print(sep);
-				printExpr(l.head);
-			}
-		}
-	}
-	
-	/** Derived visitor method: print list of expression trees, separated by commas.
-	 */
-	public <T extends JCTree> void printExprs(List<T> trees) throws IOException {
-		printExprs(trees, ", ");
-	}
-	
-	/** Derived visitor method: print list of statements, each on a separate line.
-	 */
-	public void printStats(List<? extends JCTree> trees) throws IOException {
-		for (List<? extends JCTree> l = trees; l.nonEmpty(); l = l.tail) {
-			if (isSuppressed(l.head)) continue;
-			if (!suppressAlignmentForEmptyLines(l.head)) align();
-			printStat(l.head);
-			println();
-		}
-	}
-	
-	private boolean suppressAlignmentForEmptyLines(JCTree tree) {
-		return !formatPreferences.fillEmpties() && startsWithNewLine(tree);
-	}
-	
-	private boolean startsWithNewLine(JCTree tree) {
-		return tree instanceof JCMethodDecl || tree instanceof JCClassDecl;
-	}
-	
-	private boolean isSuppressed(JCTree tree) {
-		if (isEmptyStat(tree)) {
-			return true;
-		}
-		if (tree instanceof JCExpressionStatement) {
-			return isNoArgsSuperCall(((JCExpressionStatement)tree).expr);
-		}
-		return false;
-	}
-	
-	/** Print a set of modifiers.
-	 */
-	public void printFlags(long flags) throws IOException {
-		if ((flags & SYNTHETIC) != 0) print("/*synthetic*/ ");
-		if (suppressFinalAndSemicolonsInTry) {
-			flags = flags & ~FINAL;
-			suppressFinalAndSemicolonsInTry = false;
-		}
-		print(TreeInfo.flagNames(flags));
-		if ((flags & EXTENDED_STANDARD_FLAGS) != 0) print(" ");
-		if ((flags & ANNOTATION) != 0) print("@");
-	}
-	
-	public void printAnnotations(List<JCAnnotation> trees) throws IOException {
-		for (List<JCAnnotation> l = trees; l.nonEmpty(); l = l.tail) {
-			printStat(l.head);
-			if (inParams) { 
-				print(" ");
-			}
-			else {
-				println();
-				align();
-			}
-		}
-	}
-	
-	/** Print documentation comment, if it exists
-	 *  @param tree	The tree for which a documentation comment should be printed.
-	 */
-	public void printDocComment(JCTree tree) throws IOException {
-		String dc = getJavadocFor(tree);
-		if (dc == null) return;
-		print("/**"); println();
-		int pos = 0;
-		int endpos = lineEndPos(dc, pos);
-		boolean atStart = true;
-		while (pos < dc.length()) {
-			String line = dc.substring(pos, endpos);
-			if (line.trim().isEmpty() && atStart) {
-				atStart = false;
-				continue;
-			}
-			atStart = false;
-			align();
-			print(" *");
-			if (pos < dc.length() && dc.charAt(pos) > ' ') print(" ");
-			print(dc.substring(pos, endpos)); println();
-			pos = endpos + 1;
-			endpos = lineEndPos(dc, pos);
-		}
-		align(); print(" */"); println();
-		align();
-	}
-//where
-	static int lineEndPos(String s, int start) {
-		int pos = s.indexOf('\n', start);
-		if (pos < 0) pos = s.length();
-		return pos;
-	}
-	
-	/** If type parameter list is non-empty, print it enclosed in "<...>" brackets.
-	 */
-	public void printTypeParameters(List<JCTypeParameter> trees) throws IOException {
-		if (trees.nonEmpty()) {
-			print("<");
-			printExprs(trees);
-			print(">");
-		}
-	}
-	
-	/** Print a block.
-	 */
-	public void printBlock(List<? extends JCTree> stats, JCTree container) throws IOException {
-		print("{");
-		println();
-		indent();
-		printStats(stats);
-		consumeComments(endPos(container));
-		undent();
-		align();
-		print("}");
-	}
-	
-	/** Print a block.
-	 */
-	public void printEnumBody(List<JCTree> stats) throws IOException {
-		print("{");
-		println();
-		indent();
-		boolean first = true;
-		for (List<JCTree> l = stats; l.nonEmpty(); l = l.tail) {
-			if (isEnumerator(l.head)) {
-				if (!first) {
-					print(",");
-					println();
-				}
-				align();
-				printStat(l.head);
-				first = false;
-			}
-		}
-		print(";");
-		println();
-		int x = 0;
-		for (List<JCTree> l = stats; l.nonEmpty(); l = l.tail) {
-			x++;
-			if (!isEnumerator(l.head)) {
-				if (!suppressAlignmentForEmptyLines(l.head)) align();
-				printStat(l.head);
-				println();
-			}
-		}
-		undent();
-		align();
-		print("}");
-	}
-	
-	public void printEnumMember(JCVariableDecl tree) throws IOException {
-		printAnnotations(tree.mods.annotations);
-		print(tree.name);
-		if (tree.init instanceof JCNewClass) {
-			JCNewClass constructor = (JCNewClass) tree.init;
-			if (constructor.args != null && constructor.args.nonEmpty()) {
-				print("(");
-				printExprs(constructor.args);
-				print(")");
-			}
-			if (constructor.def != null && constructor.def.defs != null) {
-				print(" ");
-				printBlock(constructor.def.defs, constructor.def);
-			}
-		}
-	}
-	
-	/** Is the given tree an enumerator definition? */
-	boolean isEnumerator(JCTree t) {
-		return VARDEF.equals(treeTag(t)) && (((JCVariableDecl) t).mods.flags & ENUM) != 0;
-	}
-	
-	/** Print unit consisting of package clause and import statements in toplevel,
-	 *  followed by class definition. if class definition == null,
-	 *  print all definitions in toplevel.
-	 *  @param tree	 The toplevel tree
-	 *  @param cdef	 The class definition, which is assumed to be part of the
-	 *				  toplevel tree.
-	 */
-	public void printUnit(JCCompilationUnit tree, JCClassDecl cdef) throws IOException {
-		Object dc = getDocComments(tree);
-		loadDocCommentsTable(dc);
-		printDocComment(tree);
-		if (tree.pid != null) {
-			consumeComments(tree.pos, tree);
-			print("package ");
-			printExpr(tree.pid);
-			print(";");
-			println();
-		}
-		boolean firstImport = true;
-		for (List<JCTree> l = tree.defs;
-		l.nonEmpty() && (cdef == null || IMPORT.equals(treeTag(l.head)));
-		l = l.tail) {
-			if (IMPORT.equals(treeTag(l.head))) {
-				JCImport imp = (JCImport)l.head;
-				Name name = TreeInfo.name(imp.qualid);
-				if (name == name.table.fromChars(new char[] {'*'}, 0, 1) ||
-						cdef == null ||
-						isUsed(TreeInfo.symbol(imp.qualid), cdef)) {
-					if (firstImport) {
-						firstImport = false;
-						println();
-					}
-					printStat(imp);
-				}
-			} else {
-				printStat(l.head);
-			}
-		}
-		if (cdef != null) {
-			printStat(cdef);
-			println();
-		}
-	}
-	// where
-	@SuppressWarnings("unchecked")
-	private void loadDocCommentsTable(Object dc) {
-		if (dc instanceof Map<?, ?>) this.docComments = (Map) dc;
-		else if (dc instanceof DocCommentTable) this.docTable = (DocCommentTable) dc;
-	}
-	
-	boolean isUsed(final Symbol t, JCTree cdef) {
-		class UsedVisitor extends TreeScanner {
-			public void scan(JCTree tree) {
-				if (tree!=null && !result) tree.accept(this);
-			}
-			boolean result = false;
-			public void visitIdent(JCIdent tree) {
-				if (tree.sym == t) result = true;
-			}
-		}
-		UsedVisitor v = new UsedVisitor();
-		v.scan(cdef);
-		return v.result;
-	}
-	
-	/**************************************************************************
-	 * Visitor methods
-	 *************************************************************************/
-	
-	public void visitTopLevel(JCCompilationUnit tree) {
-		try {
-			printUnit(tree, null);
-			consumeComments(Integer.MAX_VALUE);
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitImport(JCImport tree) {
-		try {
-			print("import ");
-			if (tree.staticImport) print("static ");
-			printExpr(tree.qualid);
-			print(";");
-			println();
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitClassDef(JCClassDecl tree) {
-		try {
-			consumeComments(tree.pos, tree);
-			println(); align();
-			printDocComment(tree);
-			printAnnotations(tree.mods.annotations);
-			printFlags(tree.mods.flags & ~INTERFACE);
-			Name enclClassNamePrev = enclClassName;
-			enclClassName = tree.name;
-			if ((tree.mods.flags & INTERFACE) != 0) {
-				print("interface " + tree.name);
-				printTypeParameters(tree.typarams);
-				if (tree.implementing.nonEmpty()) {
-					print(" extends ");
-					printExprs(tree.implementing);
-				}
-			} else {
-				if ((tree.mods.flags & ENUM) != 0)
-					print("enum " + tree.name);
-				else
-					print("class " + tree.name);
-				printTypeParameters(tree.typarams);
-				if (getExtendsClause(tree) != null) {
-					print(" extends ");
-					printExpr(getExtendsClause(tree));
-				}
-				if (tree.implementing.nonEmpty()) {
-					print(" implements ");
-					printExprs(tree.implementing);
-				}
-			}
-			print(" ");
-			// <Added for delombok by Reinier Zwitserloot>
-			if ((tree.mods.flags & INTERFACE) != 0) {
-				removeImplicitModifiersForInterfaceMembers(tree.defs);
-			}
-			// </Added for delombok by Reinier Zwitserloot>
-			if ((tree.mods.flags & ENUM) != 0) {
-				printEnumBody(tree.defs);
-			} else {
-				printBlock(tree.defs, tree);
-			}
-			enclClassName = enclClassNamePrev;
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	// Added for delombok by Reinier Zwitserloot
-	private void removeImplicitModifiersForInterfaceMembers(List<JCTree> defs) {
-		for (JCTree def :defs) {
-			if (def instanceof JCVariableDecl) {
-				((JCVariableDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.STATIC | Flags.FINAL);
-			}
-			if (def instanceof JCMethodDecl) {
-				((JCMethodDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.ABSTRACT);
-			}
-			if (def instanceof JCClassDecl) {
-				((JCClassDecl) def).mods.flags &= ~(Flags.PUBLIC | Flags.STATIC);
-			}
-		}
-	}
-	
-	public void visitMethodDef(JCMethodDecl tree) {
-		try {
-			boolean isConstructor = tree.name == tree.name.table.fromChars("<init>".toCharArray(), 0, 6);
-			// when producing source output, omit anonymous constructors
-			if (isConstructor && enclClassName == null) return;
-			boolean isGeneratedConstructor = isConstructor && ((tree.mods.flags & Flags.GENERATEDCONSTR) != 0);
-			if (isGeneratedConstructor) return;
-			println(); align();
-			printDocComment(tree);
-			printExpr(tree.mods);
-			printTypeParameters(tree.typarams);
-			if (tree.typarams != null && tree.typarams.length() > 0) print(" ");
-			if (tree.name == tree.name.table.fromChars("<init>".toCharArray(), 0, 6)) {
-				print(enclClassName != null ? enclClassName : tree.name);
-			} else {
-				printExpr(tree.restype);
-				print(" " + tree.name);
-			}
-			print("(");
-			inParams = true;
-			printExprs(tree.params);
-			inParams = false;
-			print(")");
-			if (tree.thrown.nonEmpty()) {
-				print(" throws ");
-				printExprs(tree.thrown);
-			}
-			if (tree.defaultValue != null) {
-			  print(" default ");
-			  print(tree.defaultValue);
-			}
-			if (tree.body != null) {
-				print(" ");
-				printBlock(tree.body.stats, tree.body);
-			} else {
-				print(";");
-			}
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitVarDef(JCVariableDecl tree) {
-		try {
-			boolean suppressSemi = suppressFinalAndSemicolonsInTry;
-			if (getJavadocFor(tree) != null) {
-				println(); align();
-			}
-			printDocComment(tree);
-			if ((tree.mods.flags & ENUM) != 0) {
-				printEnumMember(tree);
-			} else {
-				printExpr(tree.mods);
-				if ((tree.mods.flags & VARARGS) != 0) {
-					printExpr(((JCArrayTypeTree) tree.vartype).elemtype);
-					print("... " + tree.name);
-				} else {
-					printExpr(tree.vartype);
-					print(" " + tree.name);
-				}
-				if (tree.init != null) {
-					print(" = ");
-					printExpr(tree.init);
-				}
-				if (prec == TreeInfo.notExpression && !suppressSemi) print(";");
-			}
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitSkip(JCSkip tree) {
-		try {
-			print(";");
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitBlock(JCBlock tree) {
-		try {
-			consumeComments(tree.pos);
-			printFlags(tree.flags);
-			printBlock(tree.stats, tree);
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitDoLoop(JCDoWhileLoop tree) {
-		try {
-			print("do ");
-			printStat(tree.body);
-			align();
-			print(" while ");
-			if (PARENS.equals(treeTag(tree.cond))) {
-				printExpr(tree.cond);
-			} else {
-				print("(");
-				printExpr(tree.cond);
-				print(")");
-			}
-			print(";");
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitWhileLoop(JCWhileLoop tree) {
-		try {
-			print("while ");
-			if (PARENS.equals(treeTag(tree.cond))) {
-				printExpr(tree.cond);
-			} else {
-				print("(");
-				printExpr(tree.cond);
-				print(")");
-			}
-			print(" ");
-			printStat(tree.body);
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitForLoop(JCForLoop tree) {
-		try {
-			print("for (");
-			if (tree.init.nonEmpty()) {
-				if (VARDEF.equals(treeTag(tree.init.head))) {
-					printExpr(tree.init.head);
-					for (List<JCStatement> l = tree.init.tail; l.nonEmpty(); l = l.tail) {
-						JCVariableDecl vdef = (JCVariableDecl)l.head;
-						print(", " + vdef.name + " = ");
-						printExpr(vdef.init);
-					}
-				} else {
-					printExprs(tree.init);
-				}
-			}
-			print("; ");
-			if (tree.cond != null) printExpr(tree.cond);
-			print("; ");
-			printExprs(tree.step);
-			print(") ");
-			printStat(tree.body);
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitForeachLoop(JCEnhancedForLoop tree) {
-		try {
-			print("for (");
-			printExpr(tree.var);
-			print(" : ");
-			printExpr(tree.expr);
-			print(") ");
-			printStat(tree.body);
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitLabelled(JCLabeledStatement tree) {
-		try {
-			print(tree.label + ":");
-			if (isEmptyStat(tree.body) || tree.body instanceof JCSkip) {
-				print(" ;");
-			} else if (tree.body instanceof JCBlock) {
-				print(" ");
-				printStat(tree.body);
-			} else {
-				println();
-				align();
-				printStat(tree.body);
-			}
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitSwitch(JCSwitch tree) {
-		try {
-			print("switch ");
-			if (PARENS.equals(treeTag(tree.selector))) {
-				printExpr(tree.selector);
-			} else {
-				print("(");
-				printExpr(tree.selector);
-				print(")");
-			}
-			print(" {");
-			println();
-			printStats(tree.cases);
-			align();
-			print("}");
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitCase(JCCase tree) {
-		try {
-			if (tree.pat == null) {
-				print("default");
-			} else {
-				print("case ");
-				printExpr(tree.pat);
-			}
-			print(": ");
-			println();
-			indent();
-			printStats(tree.stats);
-			undent();
-			align();
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitSynchronized(JCSynchronized tree) {
-		try {
-			print("synchronized ");
-			if (PARENS.equals(treeTag(tree.lock))) {
-				printExpr(tree.lock);
-			} else {
-				print("(");
-				printExpr(tree.lock);
-				print(")");
-			}
-			print(" ");
-			printStat(tree.body);
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitTry(JCTry tree) {
-		try {
-			print("try ");
-			List<?> resources = null;
-			try {
-				Field f = JCTry.class.getField("resources");
-				resources = (List<?>) f.get(tree);
-			} catch (Exception ignore) {
-				// In JDK6 and down this field does not exist; resources will retain its initializer value which is what we want.
-			}
-			
-			if (resources != null && resources.nonEmpty()) {
-				print("(");
-				int remaining = resources.size();
-				if (remaining == 1) {
-					JCTree var = (JCTree) resources.get(0);
-					suppressFinalAndSemicolonsInTry = true;
-					printStat(var);
-					print(") ");
-				} else {
-					indent(); indent();
-					for (Object var0 : resources) {
-						println();
-						align();
-						JCTree var = (JCTree) var0;
-						suppressFinalAndSemicolonsInTry = true;
-						printStat(var);
-						remaining--;
-						if (remaining > 0) print(";");
-					}
-					print(") ");
-					undent(); undent();
-				}
-			}
-			
-			printStat(tree.body);
-			for (List<JCCatch> l = tree.catchers; l.nonEmpty(); l = l.tail) {
-				printStat(l.head);
-			}
-			if (tree.finalizer != null) {
-				print(" finally ");
-				printStat(tree.finalizer);
-			}
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitCatch(JCCatch tree) {
-		try {
-			print(" catch (");
-			printExpr(tree.param);
-			print(") ");
-			printStat(tree.body);
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitConditional(JCConditional tree) {
-		try {
-			open(prec, TreeInfo.condPrec);
-			printExpr(tree.cond, TreeInfo.condPrec);
-			print(" ? ");
-			printExpr(tree.truepart, TreeInfo.condPrec);
-			print(" : ");
-			printExpr(tree.falsepart, TreeInfo.condPrec);
-			close(prec, TreeInfo.condPrec);
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}
-	}
-	
-	public void visitIf(JCIf tree) {
-		try {
-			print("if ");
-			if (PARENS.equals(treeTag(tree.cond))) {
-				printExpr(tree.cond);
-			} else {
-				print("(");
-				printExpr(tree.cond);
-				print(")");
-			}
-			print(" ");
-			printStat(tree.thenpart);
-			if (tree.elsepart != null) {
-				print(" else ");
-				printStat(tree.elsepart);
-			}
-		} catch (IOException e) {
-			throw new UncheckedIOException(e);
-		}