1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/javac/tree/Pretty.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,1409 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.tools.javac.tree;
1.30 +
1.31 +import java.io.*;
1.32 +
1.33 +import com.sun.source.tree.MemberReferenceTree.ReferenceMode;
1.34 +import com.sun.tools.javac.code.*;
1.35 +import com.sun.tools.javac.tree.JCTree.*;
1.36 +import com.sun.tools.javac.util.*;
1.37 +import com.sun.tools.javac.util.List;
1.38 +import static com.sun.tools.javac.code.Flags.*;
1.39 +import static com.sun.tools.javac.code.Flags.ANNOTATION;
1.40 +import static com.sun.tools.javac.tree.JCTree.Tag.*;
1.41 +
1.42 +/** Prints out a tree as an indented Java source program.
1.43 + *
1.44 + * <p><b>This is NOT part of any supported API.
1.45 + * If you write code that depends on this, you do so at your own risk.
1.46 + * This code and its internal interfaces are subject to change or
1.47 + * deletion without notice.</b>
1.48 + */
1.49 +public class Pretty extends JCTree.Visitor {
1.50 +
1.51 + public Pretty(Writer out, boolean sourceOutput) {
1.52 + this.out = out;
1.53 + this.sourceOutput = sourceOutput;
1.54 + }
1.55 +
1.56 + /** Set when we are producing source output. If we're not
1.57 + * producing source output, we can sometimes give more detail in
1.58 + * the output even though that detail would not be valid java
1.59 + * source.
1.60 + */
1.61 + private final boolean sourceOutput;
1.62 +
1.63 + /** The output stream on which trees are printed.
1.64 + */
1.65 + Writer out;
1.66 +
1.67 + /** Indentation width (can be reassigned from outside).
1.68 + */
1.69 + public int width = 4;
1.70 +
1.71 + /** The current left margin.
1.72 + */
1.73 + int lmargin = 0;
1.74 +
1.75 + /** The enclosing class name.
1.76 + */
1.77 + Name enclClassName;
1.78 +
1.79 + /** A table mapping trees to their documentation comments
1.80 + * (can be null)
1.81 + */
1.82 + DocCommentTable docComments = null;
1.83 +
1.84 + /**
1.85 + * A string sequence to be used when Pretty output should be constrained
1.86 + * to fit into a given size
1.87 + */
1.88 + private final static String trimSequence = "[...]";
1.89 +
1.90 + /**
1.91 + * Max number of chars to be generated when output should fit into a single line
1.92 + */
1.93 + private final static int PREFERRED_LENGTH = 20;
1.94 +
1.95 + /** Align code to be indented to left margin.
1.96 + */
1.97 + void align() throws IOException {
1.98 + for (int i = 0; i < lmargin; i++) out.write(" ");
1.99 + }
1.100 +
1.101 + /** Increase left margin by indentation width.
1.102 + */
1.103 + void indent() {
1.104 + lmargin = lmargin + width;
1.105 + }
1.106 +
1.107 + /** Decrease left margin by indentation width.
1.108 + */
1.109 + void undent() {
1.110 + lmargin = lmargin - width;
1.111 + }
1.112 +
1.113 + /** Enter a new precedence level. Emit a `(' if new precedence level
1.114 + * is less than precedence level so far.
1.115 + * @param contextPrec The precedence level in force so far.
1.116 + * @param ownPrec The new precedence level.
1.117 + */
1.118 + void open(int contextPrec, int ownPrec) throws IOException {
1.119 + if (ownPrec < contextPrec) out.write("(");
1.120 + }
1.121 +
1.122 + /** Leave precedence level. Emit a `(' if inner precedence level
1.123 + * is less than precedence level we revert to.
1.124 + * @param contextPrec The precedence level we revert to.
1.125 + * @param ownPrec The inner precedence level.
1.126 + */
1.127 + void close(int contextPrec, int ownPrec) throws IOException {
1.128 + if (ownPrec < contextPrec) out.write(")");
1.129 + }
1.130 +
1.131 + /** Print string, replacing all non-ascii character with unicode escapes.
1.132 + */
1.133 + public void print(Object s) throws IOException {
1.134 + out.write(Convert.escapeUnicode(s.toString()));
1.135 + }
1.136 +
1.137 + /** Print new line.
1.138 + */
1.139 + public void println() throws IOException {
1.140 + out.write(lineSep);
1.141 + }
1.142 +
1.143 + public static String toSimpleString(JCTree tree) {
1.144 + return toSimpleString(tree, PREFERRED_LENGTH);
1.145 + }
1.146 +
1.147 + public static String toSimpleString(JCTree tree, int maxLength) {
1.148 + StringWriter s = new StringWriter();
1.149 + try {
1.150 + new Pretty(s, false).printExpr(tree);
1.151 + }
1.152 + catch (IOException e) {
1.153 + // should never happen, because StringWriter is defined
1.154 + // never to throw any IOExceptions
1.155 + throw new AssertionError(e);
1.156 + }
1.157 + //we need to (i) replace all line terminators with a space and (ii) remove
1.158 + //occurrences of 'missing' in the Pretty output (generated when types are missing)
1.159 + String res = s.toString().trim().replaceAll("\\s+", " ").replaceAll("/\\*missing\\*/", "");
1.160 + if (res.length() < maxLength) {
1.161 + return res;
1.162 + } else {
1.163 + int head = (maxLength - trimSequence.length()) * 2 / 3;
1.164 + int tail = maxLength - trimSequence.length() - head;
1.165 + return res.substring(0, head) + trimSequence + res.substring(res.length() - tail);
1.166 + }
1.167 + }
1.168 +
1.169 + String lineSep = System.getProperty("line.separator");
1.170 +
1.171 + /**************************************************************************
1.172 + * Traversal methods
1.173 + *************************************************************************/
1.174 +
1.175 + /** Exception to propogate IOException through visitXXX methods */
1.176 + private static class UncheckedIOException extends Error {
1.177 + static final long serialVersionUID = -4032692679158424751L;
1.178 + UncheckedIOException(IOException e) {
1.179 + super(e.getMessage(), e);
1.180 + }
1.181 + }
1.182 +
1.183 + /** Visitor argument: the current precedence level.
1.184 + */
1.185 + int prec;
1.186 +
1.187 + /** Visitor method: print expression tree.
1.188 + * @param prec The current precedence level.
1.189 + */
1.190 + public void printExpr(JCTree tree, int prec) throws IOException {
1.191 + int prevPrec = this.prec;
1.192 + try {
1.193 + this.prec = prec;
1.194 + if (tree == null) print("/*missing*/");
1.195 + else {
1.196 + tree.accept(this);
1.197 + }
1.198 + } catch (UncheckedIOException ex) {
1.199 + IOException e = new IOException(ex.getMessage());
1.200 + e.initCause(ex);
1.201 + throw e;
1.202 + } finally {
1.203 + this.prec = prevPrec;
1.204 + }
1.205 + }
1.206 +
1.207 + /** Derived visitor method: print expression tree at minimum precedence level
1.208 + * for expression.
1.209 + */
1.210 + public void printExpr(JCTree tree) throws IOException {
1.211 + printExpr(tree, TreeInfo.noPrec);
1.212 + }
1.213 +
1.214 + /** Derived visitor method: print statement tree.
1.215 + */
1.216 + public void printStat(JCTree tree) throws IOException {
1.217 + printExpr(tree, TreeInfo.notExpression);
1.218 + }
1.219 +
1.220 + /** Derived visitor method: print list of expression trees, separated by given string.
1.221 + * @param sep the separator string
1.222 + */
1.223 + public <T extends JCTree> void printExprs(List<T> trees, String sep) throws IOException {
1.224 + if (trees.nonEmpty()) {
1.225 + printExpr(trees.head);
1.226 + for (List<T> l = trees.tail; l.nonEmpty(); l = l.tail) {
1.227 + print(sep);
1.228 + printExpr(l.head);
1.229 + }
1.230 + }
1.231 + }
1.232 +
1.233 + /** Derived visitor method: print list of expression trees, separated by commas.
1.234 + */
1.235 + public <T extends JCTree> void printExprs(List<T> trees) throws IOException {
1.236 + printExprs(trees, ", ");
1.237 + }
1.238 +
1.239 + /** Derived visitor method: print list of statements, each on a separate line.
1.240 + */
1.241 + public void printStats(List<? extends JCTree> trees) throws IOException {
1.242 + for (List<? extends JCTree> l = trees; l.nonEmpty(); l = l.tail) {
1.243 + align();
1.244 + printStat(l.head);
1.245 + println();
1.246 + }
1.247 + }
1.248 +
1.249 + /** Print a set of modifiers.
1.250 + */
1.251 + public void printFlags(long flags) throws IOException {
1.252 + if ((flags & SYNTHETIC) != 0) print("/*synthetic*/ ");
1.253 + print(TreeInfo.flagNames(flags));
1.254 + if ((flags & ExtendedStandardFlags) != 0) print(" ");
1.255 + if ((flags & ANNOTATION) != 0) print("@");
1.256 + }
1.257 +
1.258 + public void printAnnotations(List<JCAnnotation> trees) throws IOException {
1.259 + for (List<JCAnnotation> l = trees; l.nonEmpty(); l = l.tail) {
1.260 + printStat(l.head);
1.261 + println();
1.262 + align();
1.263 + }
1.264 + }
1.265 +
1.266 + public void printTypeAnnotations(List<JCAnnotation> trees) throws IOException {
1.267 + for (List<JCAnnotation> l = trees; l.nonEmpty(); l = l.tail) {
1.268 + printExpr(l.head);
1.269 + print(" ");
1.270 + }
1.271 + }
1.272 +
1.273 + /** Print documentation comment, if it exists
1.274 + * @param tree The tree for which a documentation comment should be printed.
1.275 + */
1.276 + public void printDocComment(JCTree tree) throws IOException {
1.277 + if (docComments != null) {
1.278 + String dc = docComments.getCommentText(tree);
1.279 + if (dc != null) {
1.280 + print("/**"); println();
1.281 + int pos = 0;
1.282 + int endpos = lineEndPos(dc, pos);
1.283 + while (pos < dc.length()) {
1.284 + align();
1.285 + print(" *");
1.286 + if (pos < dc.length() && dc.charAt(pos) > ' ') print(" ");
1.287 + print(dc.substring(pos, endpos)); println();
1.288 + pos = endpos + 1;
1.289 + endpos = lineEndPos(dc, pos);
1.290 + }
1.291 + align(); print(" */"); println();
1.292 + align();
1.293 + }
1.294 + }
1.295 + }
1.296 +//where
1.297 + static int lineEndPos(String s, int start) {
1.298 + int pos = s.indexOf('\n', start);
1.299 + if (pos < 0) pos = s.length();
1.300 + return pos;
1.301 + }
1.302 +
1.303 + /** If type parameter list is non-empty, print it enclosed in
1.304 + * {@literal "<...>"} brackets.
1.305 + */
1.306 + public void printTypeParameters(List<JCTypeParameter> trees) throws IOException {
1.307 + if (trees.nonEmpty()) {
1.308 + print("<");
1.309 + printExprs(trees);
1.310 + print(">");
1.311 + }
1.312 + }
1.313 +
1.314 + /** Print a block.
1.315 + */
1.316 + public void printBlock(List<? extends JCTree> stats) throws IOException {
1.317 + print("{");
1.318 + println();
1.319 + indent();
1.320 + printStats(stats);
1.321 + undent();
1.322 + align();
1.323 + print("}");
1.324 + }
1.325 +
1.326 + /** Print a block.
1.327 + */
1.328 + public void printEnumBody(List<JCTree> stats) throws IOException {
1.329 + print("{");
1.330 + println();
1.331 + indent();
1.332 + boolean first = true;
1.333 + for (List<JCTree> l = stats; l.nonEmpty(); l = l.tail) {
1.334 + if (isEnumerator(l.head)) {
1.335 + if (!first) {
1.336 + print(",");
1.337 + println();
1.338 + }
1.339 + align();
1.340 + printStat(l.head);
1.341 + first = false;
1.342 + }
1.343 + }
1.344 + print(";");
1.345 + println();
1.346 + for (List<JCTree> l = stats; l.nonEmpty(); l = l.tail) {
1.347 + if (!isEnumerator(l.head)) {
1.348 + align();
1.349 + printStat(l.head);
1.350 + println();
1.351 + }
1.352 + }
1.353 + undent();
1.354 + align();
1.355 + print("}");
1.356 + }
1.357 +
1.358 + /** Is the given tree an enumerator definition? */
1.359 + boolean isEnumerator(JCTree t) {
1.360 + return t.hasTag(VARDEF) && (((JCVariableDecl) t).mods.flags & ENUM) != 0;
1.361 + }
1.362 +
1.363 + /** Print unit consisting of package clause and import statements in toplevel,
1.364 + * followed by class definition. if class definition == null,
1.365 + * print all definitions in toplevel.
1.366 + * @param tree The toplevel tree
1.367 + * @param cdef The class definition, which is assumed to be part of the
1.368 + * toplevel tree.
1.369 + */
1.370 + public void printUnit(JCCompilationUnit tree, JCClassDecl cdef) throws IOException {
1.371 + docComments = tree.docComments;
1.372 + printDocComment(tree);
1.373 + if (tree.pid != null) {
1.374 + print("package ");
1.375 + printExpr(tree.pid);
1.376 + print(";");
1.377 + println();
1.378 + }
1.379 + boolean firstImport = true;
1.380 + for (List<JCTree> l = tree.defs;
1.381 + l.nonEmpty() && (cdef == null || l.head.hasTag(IMPORT));
1.382 + l = l.tail) {
1.383 + if (l.head.hasTag(IMPORT)) {
1.384 + JCImport imp = (JCImport)l.head;
1.385 + Name name = TreeInfo.name(imp.qualid);
1.386 + if (name == name.table.names.asterisk ||
1.387 + cdef == null ||
1.388 + isUsed(TreeInfo.symbol(imp.qualid), cdef)) {
1.389 + if (firstImport) {
1.390 + firstImport = false;
1.391 + println();
1.392 + }
1.393 + printStat(imp);
1.394 + }
1.395 + } else {
1.396 + printStat(l.head);
1.397 + }
1.398 + }
1.399 + if (cdef != null) {
1.400 + printStat(cdef);
1.401 + println();
1.402 + }
1.403 + }
1.404 + // where
1.405 + boolean isUsed(final Symbol t, JCTree cdef) {
1.406 + class UsedVisitor extends TreeScanner {
1.407 + public void scan(JCTree tree) {
1.408 + if (tree!=null && !result) tree.accept(this);
1.409 + }
1.410 + boolean result = false;
1.411 + public void visitIdent(JCIdent tree) {
1.412 + if (tree.sym == t) result = true;
1.413 + }
1.414 + }
1.415 + UsedVisitor v = new UsedVisitor();
1.416 + v.scan(cdef);
1.417 + return v.result;
1.418 + }
1.419 +
1.420 + /**************************************************************************
1.421 + * Visitor methods
1.422 + *************************************************************************/
1.423 +
1.424 + public void visitTopLevel(JCCompilationUnit tree) {
1.425 + try {
1.426 + printUnit(tree, null);
1.427 + } catch (IOException e) {
1.428 + throw new UncheckedIOException(e);
1.429 + }
1.430 + }
1.431 +
1.432 + public void visitImport(JCImport tree) {
1.433 + try {
1.434 + print("import ");
1.435 + if (tree.staticImport) print("static ");
1.436 + printExpr(tree.qualid);
1.437 + print(";");
1.438 + println();
1.439 + } catch (IOException e) {
1.440 + throw new UncheckedIOException(e);
1.441 + }
1.442 + }
1.443 +
1.444 + public void visitClassDef(JCClassDecl tree) {
1.445 + try {
1.446 + println(); align();
1.447 + printDocComment(tree);
1.448 + printAnnotations(tree.mods.annotations);
1.449 + printFlags(tree.mods.flags & ~INTERFACE);
1.450 + Name enclClassNamePrev = enclClassName;
1.451 + enclClassName = tree.name;
1.452 + if ((tree.mods.flags & INTERFACE) != 0) {
1.453 + print("interface " + tree.name);
1.454 + printTypeParameters(tree.typarams);
1.455 + if (tree.implementing.nonEmpty()) {
1.456 + print(" extends ");
1.457 + printExprs(tree.implementing);
1.458 + }
1.459 + } else {
1.460 + if ((tree.mods.flags & ENUM) != 0)
1.461 + print("enum " + tree.name);
1.462 + else
1.463 + print("class " + tree.name);
1.464 + printTypeParameters(tree.typarams);
1.465 + if (tree.extending != null) {
1.466 + print(" extends ");
1.467 + printExpr(tree.extending);
1.468 + }
1.469 + if (tree.implementing.nonEmpty()) {
1.470 + print(" implements ");
1.471 + printExprs(tree.implementing);
1.472 + }
1.473 + }
1.474 + print(" ");
1.475 + if ((tree.mods.flags & ENUM) != 0) {
1.476 + printEnumBody(tree.defs);
1.477 + } else {
1.478 + printBlock(tree.defs);
1.479 + }
1.480 + enclClassName = enclClassNamePrev;
1.481 + } catch (IOException e) {
1.482 + throw new UncheckedIOException(e);
1.483 + }
1.484 + }
1.485 +
1.486 + public void visitMethodDef(JCMethodDecl tree) {
1.487 + try {
1.488 + // when producing source output, omit anonymous constructors
1.489 + if (tree.name == tree.name.table.names.init &&
1.490 + enclClassName == null &&
1.491 + sourceOutput) return;
1.492 + println(); align();
1.493 + printDocComment(tree);
1.494 + printExpr(tree.mods);
1.495 + printTypeParameters(tree.typarams);
1.496 + if (tree.name == tree.name.table.names.init) {
1.497 + print(enclClassName != null ? enclClassName : tree.name);
1.498 + } else {
1.499 + printExpr(tree.restype);
1.500 + print(" " + tree.name);
1.501 + }
1.502 + print("(");
1.503 + if (tree.recvparam!=null) {
1.504 + printExpr(tree.recvparam);
1.505 + if (tree.params.size() > 0) {
1.506 + print(", ");
1.507 + }
1.508 + }
1.509 + printExprs(tree.params);
1.510 + print(")");
1.511 + if (tree.thrown.nonEmpty()) {
1.512 + print(" throws ");
1.513 + printExprs(tree.thrown);
1.514 + }
1.515 + if (tree.defaultValue != null) {
1.516 + print(" default ");
1.517 + printExpr(tree.defaultValue);
1.518 + }
1.519 + if (tree.body != null) {
1.520 + print(" ");
1.521 + printStat(tree.body);
1.522 + } else {
1.523 + print(";");
1.524 + }
1.525 + } catch (IOException e) {
1.526 + throw new UncheckedIOException(e);
1.527 + }
1.528 + }
1.529 +
1.530 + public void visitVarDef(JCVariableDecl tree) {
1.531 + try {
1.532 + if (docComments != null && docComments.hasComment(tree)) {
1.533 + println(); align();
1.534 + }
1.535 + printDocComment(tree);
1.536 + if ((tree.mods.flags & ENUM) != 0) {
1.537 + print("/*public static final*/ ");
1.538 + print(tree.name);
1.539 + if (tree.init != null) {
1.540 + if (sourceOutput && tree.init.hasTag(NEWCLASS)) {
1.541 + print(" /*enum*/ ");
1.542 + JCNewClass init = (JCNewClass) tree.init;
1.543 + if (init.args != null && init.args.nonEmpty()) {
1.544 + print("(");
1.545 + print(init.args);
1.546 + print(")");
1.547 + }
1.548 + if (init.def != null && init.def.defs != null) {
1.549 + print(" ");
1.550 + printBlock(init.def.defs);
1.551 + }
1.552 + return;
1.553 + }
1.554 + print(" /* = ");
1.555 + printExpr(tree.init);
1.556 + print(" */");
1.557 + }
1.558 + } else {
1.559 + printExpr(tree.mods);
1.560 + if ((tree.mods.flags & VARARGS) != 0) {
1.561 + JCTree vartype = tree.vartype;
1.562 + List<JCAnnotation> tas = null;
1.563 + if (vartype instanceof JCAnnotatedType) {
1.564 + tas = ((JCAnnotatedType)vartype).annotations;
1.565 + vartype = ((JCAnnotatedType)vartype).underlyingType;
1.566 + }
1.567 + printExpr(((JCArrayTypeTree) vartype).elemtype);
1.568 + if (tas != null) {
1.569 + print(' ');
1.570 + printTypeAnnotations(tas);
1.571 + }
1.572 + print("... " + tree.name);
1.573 + } else {
1.574 + printExpr(tree.vartype);
1.575 + print(" " + tree.name);
1.576 + }
1.577 + if (tree.init != null) {
1.578 + print(" = ");
1.579 + printExpr(tree.init);
1.580 + }
1.581 + if (prec == TreeInfo.notExpression) print(";");
1.582 + }
1.583 + } catch (IOException e) {
1.584 + throw new UncheckedIOException(e);
1.585 + }
1.586 + }
1.587 +
1.588 + public void visitSkip(JCSkip tree) {
1.589 + try {
1.590 + print(";");
1.591 + } catch (IOException e) {
1.592 + throw new UncheckedIOException(e);
1.593 + }
1.594 + }
1.595 +
1.596 + public void visitBlock(JCBlock tree) {
1.597 + try {
1.598 + printFlags(tree.flags);
1.599 + printBlock(tree.stats);
1.600 + } catch (IOException e) {
1.601 + throw new UncheckedIOException(e);
1.602 + }
1.603 + }
1.604 +
1.605 + public void visitDoLoop(JCDoWhileLoop tree) {
1.606 + try {
1.607 + print("do ");
1.608 + printStat(tree.body);
1.609 + align();
1.610 + print(" while ");
1.611 + if (tree.cond.hasTag(PARENS)) {
1.612 + printExpr(tree.cond);
1.613 + } else {
1.614 + print("(");
1.615 + printExpr(tree.cond);
1.616 + print(")");
1.617 + }
1.618 + print(";");
1.619 + } catch (IOException e) {
1.620 + throw new UncheckedIOException(e);
1.621 + }
1.622 + }
1.623 +
1.624 + public void visitWhileLoop(JCWhileLoop tree) {
1.625 + try {
1.626 + print("while ");
1.627 + if (tree.cond.hasTag(PARENS)) {
1.628 + printExpr(tree.cond);
1.629 + } else {
1.630 + print("(");
1.631 + printExpr(tree.cond);
1.632 + print(")");
1.633 + }
1.634 + print(" ");
1.635 + printStat(tree.body);
1.636 + } catch (IOException e) {
1.637 + throw new UncheckedIOException(e);
1.638 + }
1.639 + }
1.640 +
1.641 + public void visitForLoop(JCForLoop tree) {
1.642 + try {
1.643 + print("for (");
1.644 + if (tree.init.nonEmpty()) {
1.645 + if (tree.init.head.hasTag(VARDEF)) {
1.646 + printExpr(tree.init.head);
1.647 + for (List<JCStatement> l = tree.init.tail; l.nonEmpty(); l = l.tail) {
1.648 + JCVariableDecl vdef = (JCVariableDecl)l.head;
1.649 + print(", " + vdef.name + " = ");
1.650 + printExpr(vdef.init);
1.651 + }
1.652 + } else {
1.653 + printExprs(tree.init);
1.654 + }
1.655 + }
1.656 + print("; ");
1.657 + if (tree.cond != null) printExpr(tree.cond);
1.658 + print("; ");
1.659 + printExprs(tree.step);
1.660 + print(") ");
1.661 + printStat(tree.body);
1.662 + } catch (IOException e) {
1.663 + throw new UncheckedIOException(e);
1.664 + }
1.665 + }
1.666 +
1.667 + public void visitForeachLoop(JCEnhancedForLoop tree) {
1.668 + try {
1.669 + print("for (");
1.670 + printExpr(tree.var);
1.671 + print(" : ");
1.672 + printExpr(tree.expr);
1.673 + print(") ");
1.674 + printStat(tree.body);
1.675 + } catch (IOException e) {
1.676 + throw new UncheckedIOException(e);
1.677 + }
1.678 + }
1.679 +
1.680 + public void visitLabelled(JCLabeledStatement tree) {
1.681 + try {
1.682 + print(tree.label + ": ");
1.683 + printStat(tree.body);
1.684 + } catch (IOException e) {
1.685 + throw new UncheckedIOException(e);
1.686 + }
1.687 + }
1.688 +
1.689 + public void visitSwitch(JCSwitch tree) {
1.690 + try {
1.691 + print("switch ");
1.692 + if (tree.selector.hasTag(PARENS)) {
1.693 + printExpr(tree.selector);
1.694 + } else {
1.695 + print("(");
1.696 + printExpr(tree.selector);
1.697 + print(")");
1.698 + }
1.699 + print(" {");
1.700 + println();
1.701 + printStats(tree.cases);
1.702 + align();
1.703 + print("}");
1.704 + } catch (IOException e) {
1.705 + throw new UncheckedIOException(e);
1.706 + }
1.707 + }
1.708 +
1.709 + public void visitCase(JCCase tree) {
1.710 + try {
1.711 + if (tree.pat == null) {
1.712 + print("default");
1.713 + } else {
1.714 + print("case ");
1.715 + printExpr(tree.pat);
1.716 + }
1.717 + print(": ");
1.718 + println();
1.719 + indent();
1.720 + printStats(tree.stats);
1.721 + undent();
1.722 + align();
1.723 + } catch (IOException e) {
1.724 + throw new UncheckedIOException(e);
1.725 + }
1.726 + }
1.727 +
1.728 + public void visitSynchronized(JCSynchronized tree) {
1.729 + try {
1.730 + print("synchronized ");
1.731 + if (tree.lock.hasTag(PARENS)) {
1.732 + printExpr(tree.lock);
1.733 + } else {
1.734 + print("(");
1.735 + printExpr(tree.lock);
1.736 + print(")");
1.737 + }
1.738 + print(" ");
1.739 + printStat(tree.body);
1.740 + } catch (IOException e) {
1.741 + throw new UncheckedIOException(e);
1.742 + }
1.743 + }
1.744 +
1.745 + public void visitTry(JCTry tree) {
1.746 + try {
1.747 + print("try ");
1.748 + if (tree.resources.nonEmpty()) {
1.749 + print("(");
1.750 + boolean first = true;
1.751 + for (JCTree var : tree.resources) {
1.752 + if (!first) {
1.753 + println();
1.754 + indent();
1.755 + }
1.756 + printStat(var);
1.757 + first = false;
1.758 + }
1.759 + print(") ");
1.760 + }
1.761 + printStat(tree.body);
1.762 + for (List<JCCatch> l = tree.catchers; l.nonEmpty(); l = l.tail) {
1.763 + printStat(l.head);
1.764 + }
1.765 + if (tree.finalizer != null) {
1.766 + print(" finally ");
1.767 + printStat(tree.finalizer);
1.768 + }
1.769 + } catch (IOException e) {
1.770 + throw new UncheckedIOException(e);
1.771 + }
1.772 + }
1.773 +
1.774 + public void visitCatch(JCCatch tree) {
1.775 + try {
1.776 + print(" catch (");
1.777 + printExpr(tree.param);
1.778 + print(") ");
1.779 + printStat(tree.body);
1.780 + } catch (IOException e) {
1.781 + throw new UncheckedIOException(e);
1.782 + }
1.783 + }
1.784 +
1.785 + public void visitConditional(JCConditional tree) {
1.786 + try {
1.787 + open(prec, TreeInfo.condPrec);
1.788 + printExpr(tree.cond, TreeInfo.condPrec + 1);
1.789 + print(" ? ");
1.790 + printExpr(tree.truepart);
1.791 + print(" : ");
1.792 + printExpr(tree.falsepart, TreeInfo.condPrec);
1.793 + close(prec, TreeInfo.condPrec);
1.794 + } catch (IOException e) {
1.795 + throw new UncheckedIOException(e);
1.796 + }
1.797 + }
1.798 +
1.799 + public void visitIf(JCIf tree) {
1.800 + try {
1.801 + print("if ");
1.802 + if (tree.cond.hasTag(PARENS)) {
1.803 + printExpr(tree.cond);
1.804 + } else {
1.805 + print("(");
1.806 + printExpr(tree.cond);
1.807 + print(")");
1.808 + }
1.809 + print(" ");
1.810 + printStat(tree.thenpart);
1.811 + if (tree.elsepart != null) {
1.812 + print(" else ");
1.813 + printStat(tree.elsepart);
1.814 + }
1.815 + } catch (IOException e) {
1.816 + throw new UncheckedIOException(e);
1.817 + }
1.818 + }
1.819 +
1.820 + public void visitExec(JCExpressionStatement tree) {
1.821 + try {
1.822 + printExpr(tree.expr);
1.823 + if (prec == TreeInfo.notExpression) print(";");
1.824 + } catch (IOException e) {
1.825 + throw new UncheckedIOException(e);
1.826 + }
1.827 + }
1.828 +
1.829 + public void visitBreak(JCBreak tree) {
1.830 + try {
1.831 + print("break");
1.832 + if (tree.label != null) print(" " + tree.label);
1.833 + print(";");
1.834 + } catch (IOException e) {
1.835 + throw new UncheckedIOException(e);
1.836 + }
1.837 + }
1.838 +
1.839 + public void visitContinue(JCContinue tree) {
1.840 + try {
1.841 + print("continue");
1.842 + if (tree.label != null) print(" " + tree.label);
1.843 + print(";");
1.844 + } catch (IOException e) {
1.845 + throw new UncheckedIOException(e);
1.846 + }
1.847 + }
1.848 +
1.849 + public void visitReturn(JCReturn tree) {
1.850 + try {
1.851 + print("return");
1.852 + if (tree.expr != null) {
1.853 + print(" ");
1.854 + printExpr(tree.expr);
1.855 + }
1.856 + print(";");
1.857 + } catch (IOException e) {
1.858 + throw new UncheckedIOException(e);
1.859 + }
1.860 + }
1.861 +
1.862 + public void visitThrow(JCThrow tree) {
1.863 + try {
1.864 + print("throw ");
1.865 + printExpr(tree.expr);
1.866 + print(";");
1.867 + } catch (IOException e) {
1.868 + throw new UncheckedIOException(e);
1.869 + }
1.870 + }
1.871 +
1.872 + public void visitAssert(JCAssert tree) {
1.873 + try {
1.874 + print("assert ");
1.875 + printExpr(tree.cond);
1.876 + if (tree.detail != null) {
1.877 + print(" : ");
1.878 + printExpr(tree.detail);
1.879 + }
1.880 + print(";");
1.881 + } catch (IOException e) {
1.882 + throw new UncheckedIOException(e);
1.883 + }
1.884 + }
1.885 +
1.886 + public void visitApply(JCMethodInvocation tree) {
1.887 + try {
1.888 + if (!tree.typeargs.isEmpty()) {
1.889 + if (tree.meth.hasTag(SELECT)) {
1.890 + JCFieldAccess left = (JCFieldAccess)tree.meth;
1.891 + printExpr(left.selected);
1.892 + print(".<");
1.893 + printExprs(tree.typeargs);
1.894 + print(">" + left.name);
1.895 + } else {
1.896 + print("<");
1.897 + printExprs(tree.typeargs);
1.898 + print(">");
1.899 + printExpr(tree.meth);
1.900 + }
1.901 + } else {
1.902 + printExpr(tree.meth);
1.903 + }
1.904 + print("(");
1.905 + printExprs(tree.args);
1.906 + print(")");
1.907 + } catch (IOException e) {
1.908 + throw new UncheckedIOException(e);
1.909 + }
1.910 + }
1.911 +
1.912 + public void visitNewClass(JCNewClass tree) {
1.913 + try {
1.914 + if (tree.encl != null) {
1.915 + printExpr(tree.encl);
1.916 + print(".");
1.917 + }
1.918 + print("new ");
1.919 + if (!tree.typeargs.isEmpty()) {
1.920 + print("<");
1.921 + printExprs(tree.typeargs);
1.922 + print(">");
1.923 + }
1.924 + if (tree.def != null && tree.def.mods.annotations.nonEmpty()) {
1.925 + printTypeAnnotations(tree.def.mods.annotations);
1.926 + }
1.927 + printExpr(tree.clazz);
1.928 + print("(");
1.929 + printExprs(tree.args);
1.930 + print(")");
1.931 + if (tree.def != null) {
1.932 + Name enclClassNamePrev = enclClassName;
1.933 + enclClassName =
1.934 + tree.def.name != null ? tree.def.name :
1.935 + tree.type != null && tree.type.tsym.name != tree.type.tsym.name.table.names.empty
1.936 + ? tree.type.tsym.name : null;
1.937 + if ((tree.def.mods.flags & Flags.ENUM) != 0) print("/*enum*/");
1.938 + printBlock(tree.def.defs);
1.939 + enclClassName = enclClassNamePrev;
1.940 + }
1.941 + } catch (IOException e) {
1.942 + throw new UncheckedIOException(e);
1.943 + }
1.944 + }
1.945 +
1.946 + public void visitNewArray(JCNewArray tree) {
1.947 + try {
1.948 + if (tree.elemtype != null) {
1.949 + print("new ");
1.950 + JCTree elem = tree.elemtype;
1.951 + printBaseElementType(elem);
1.952 +
1.953 + if (!tree.annotations.isEmpty()) {
1.954 + print(' ');
1.955 + printTypeAnnotations(tree.annotations);
1.956 + }
1.957 + if (tree.elems != null) {
1.958 + print("[]");
1.959 + }
1.960 +
1.961 + int i = 0;
1.962 + List<List<JCAnnotation>> da = tree.dimAnnotations;
1.963 + for (List<JCExpression> l = tree.dims; l.nonEmpty(); l = l.tail) {
1.964 + if (da.size() > i && !da.get(i).isEmpty()) {
1.965 + print(' ');
1.966 + printTypeAnnotations(da.get(i));
1.967 + }
1.968 + print("[");
1.969 + i++;
1.970 + printExpr(l.head);
1.971 + print("]");
1.972 + }
1.973 + printBrackets(elem);
1.974 + }
1.975 + if (tree.elems != null) {
1.976 + print("{");
1.977 + printExprs(tree.elems);
1.978 + print("}");
1.979 + }
1.980 + } catch (IOException e) {
1.981 + throw new UncheckedIOException(e);
1.982 + }
1.983 + }
1.984 +
1.985 + public void visitLambda(JCLambda tree) {
1.986 + try {
1.987 + print("(");
1.988 + if (tree.paramKind == JCLambda.ParameterKind.EXPLICIT) {
1.989 + printExprs(tree.params);
1.990 + } else {
1.991 + String sep = "";
1.992 + for (JCVariableDecl param : tree.params) {
1.993 + print(sep);
1.994 + print(param.name);
1.995 + sep = ",";
1.996 + }
1.997 + }
1.998 + print(")->");
1.999 + printExpr(tree.body);
1.1000 + } catch (IOException e) {
1.1001 + throw new UncheckedIOException(e);
1.1002 + }
1.1003 + }
1.1004 +
1.1005 + public void visitParens(JCParens tree) {
1.1006 + try {
1.1007 + print("(");
1.1008 + printExpr(tree.expr);
1.1009 + print(")");
1.1010 + } catch (IOException e) {
1.1011 + throw new UncheckedIOException(e);
1.1012 + }
1.1013 + }
1.1014 +
1.1015 + public void visitAssign(JCAssign tree) {
1.1016 + try {
1.1017 + open(prec, TreeInfo.assignPrec);
1.1018 + printExpr(tree.lhs, TreeInfo.assignPrec + 1);
1.1019 + print(" = ");
1.1020 + printExpr(tree.rhs, TreeInfo.assignPrec);
1.1021 + close(prec, TreeInfo.assignPrec);
1.1022 + } catch (IOException e) {
1.1023 + throw new UncheckedIOException(e);
1.1024 + }
1.1025 + }
1.1026 +
1.1027 + public String operatorName(JCTree.Tag tag) {
1.1028 + switch(tag) {
1.1029 + case POS: return "+";
1.1030 + case NEG: return "-";
1.1031 + case NOT: return "!";
1.1032 + case COMPL: return "~";
1.1033 + case PREINC: return "++";
1.1034 + case PREDEC: return "--";
1.1035 + case POSTINC: return "++";
1.1036 + case POSTDEC: return "--";
1.1037 + case NULLCHK: return "<*nullchk*>";
1.1038 + case OR: return "||";
1.1039 + case AND: return "&&";
1.1040 + case EQ: return "==";
1.1041 + case NE: return "!=";
1.1042 + case LT: return "<";
1.1043 + case GT: return ">";
1.1044 + case LE: return "<=";
1.1045 + case GE: return ">=";
1.1046 + case BITOR: return "|";
1.1047 + case BITXOR: return "^";
1.1048 + case BITAND: return "&";
1.1049 + case SL: return "<<";
1.1050 + case SR: return ">>";
1.1051 + case USR: return ">>>";
1.1052 + case PLUS: return "+";
1.1053 + case MINUS: return "-";
1.1054 + case MUL: return "*";
1.1055 + case DIV: return "/";
1.1056 + case MOD: return "%";
1.1057 + default: throw new Error();
1.1058 + }
1.1059 + }
1.1060 +
1.1061 + public void visitAssignop(JCAssignOp tree) {
1.1062 + try {
1.1063 + open(prec, TreeInfo.assignopPrec);
1.1064 + printExpr(tree.lhs, TreeInfo.assignopPrec + 1);
1.1065 + print(" " + operatorName(tree.getTag().noAssignOp()) + "= ");
1.1066 + printExpr(tree.rhs, TreeInfo.assignopPrec);
1.1067 + close(prec, TreeInfo.assignopPrec);
1.1068 + } catch (IOException e) {
1.1069 + throw new UncheckedIOException(e);
1.1070 + }
1.1071 + }
1.1072 +
1.1073 + public void visitUnary(JCUnary tree) {
1.1074 + try {
1.1075 + int ownprec = TreeInfo.opPrec(tree.getTag());
1.1076 + String opname = operatorName(tree.getTag());
1.1077 + open(prec, ownprec);
1.1078 + if (!tree.getTag().isPostUnaryOp()) {
1.1079 + print(opname);
1.1080 + printExpr(tree.arg, ownprec);
1.1081 + } else {
1.1082 + printExpr(tree.arg, ownprec);
1.1083 + print(opname);
1.1084 + }
1.1085 + close(prec, ownprec);
1.1086 + } catch (IOException e) {
1.1087 + throw new UncheckedIOException(e);
1.1088 + }
1.1089 + }
1.1090 +
1.1091 + public void visitBinary(JCBinary tree) {
1.1092 + try {
1.1093 + int ownprec = TreeInfo.opPrec(tree.getTag());
1.1094 + String opname = operatorName(tree.getTag());
1.1095 + open(prec, ownprec);
1.1096 + printExpr(tree.lhs, ownprec);
1.1097 + print(" " + opname + " ");
1.1098 + printExpr(tree.rhs, ownprec + 1);
1.1099 + close(prec, ownprec);
1.1100 + } catch (IOException e) {
1.1101 + throw new UncheckedIOException(e);
1.1102 + }
1.1103 + }
1.1104 +
1.1105 + public void visitTypeCast(JCTypeCast tree) {
1.1106 + try {
1.1107 + open(prec, TreeInfo.prefixPrec);
1.1108 + print("(");
1.1109 + printExpr(tree.clazz);
1.1110 + print(")");
1.1111 + printExpr(tree.expr, TreeInfo.prefixPrec);
1.1112 + close(prec, TreeInfo.prefixPrec);
1.1113 + } catch (IOException e) {
1.1114 + throw new UncheckedIOException(e);
1.1115 + }
1.1116 + }
1.1117 +
1.1118 + public void visitTypeTest(JCInstanceOf tree) {
1.1119 + try {
1.1120 + open(prec, TreeInfo.ordPrec);
1.1121 + printExpr(tree.expr, TreeInfo.ordPrec);
1.1122 + print(" instanceof ");
1.1123 + printExpr(tree.clazz, TreeInfo.ordPrec + 1);
1.1124 + close(prec, TreeInfo.ordPrec);
1.1125 + } catch (IOException e) {
1.1126 + throw new UncheckedIOException(e);
1.1127 + }
1.1128 + }
1.1129 +
1.1130 + public void visitIndexed(JCArrayAccess tree) {
1.1131 + try {
1.1132 + printExpr(tree.indexed, TreeInfo.postfixPrec);
1.1133 + print("[");
1.1134 + printExpr(tree.index);
1.1135 + print("]");
1.1136 + } catch (IOException e) {
1.1137 + throw new UncheckedIOException(e);
1.1138 + }
1.1139 + }
1.1140 +
1.1141 + public void visitSelect(JCFieldAccess tree) {
1.1142 + try {
1.1143 + printExpr(tree.selected, TreeInfo.postfixPrec);
1.1144 + print("." + tree.name);
1.1145 + } catch (IOException e) {
1.1146 + throw new UncheckedIOException(e);
1.1147 + }
1.1148 + }
1.1149 +
1.1150 + public void visitReference(JCMemberReference tree) {
1.1151 + try {
1.1152 + printExpr(tree.expr);
1.1153 + print("::");
1.1154 + if (tree.typeargs != null) {
1.1155 + print("<");
1.1156 + printExprs(tree.typeargs);
1.1157 + print(">");
1.1158 + }
1.1159 + print(tree.getMode() == ReferenceMode.INVOKE ? tree.name : "new");
1.1160 + } catch (IOException e) {
1.1161 + throw new UncheckedIOException(e);
1.1162 + }
1.1163 + }
1.1164 +
1.1165 + public void visitIdent(JCIdent tree) {
1.1166 + try {
1.1167 + print(tree.name);
1.1168 + } catch (IOException e) {
1.1169 + throw new UncheckedIOException(e);
1.1170 + }
1.1171 + }
1.1172 +
1.1173 + public void visitLiteral(JCLiteral tree) {
1.1174 + try {
1.1175 + switch (tree.typetag) {
1.1176 + case INT:
1.1177 + print(tree.value.toString());
1.1178 + break;
1.1179 + case LONG:
1.1180 + print(tree.value + "L");
1.1181 + break;
1.1182 + case FLOAT:
1.1183 + print(tree.value + "F");
1.1184 + break;
1.1185 + case DOUBLE:
1.1186 + print(tree.value.toString());
1.1187 + break;
1.1188 + case CHAR:
1.1189 + print("\'" +
1.1190 + Convert.quote(
1.1191 + String.valueOf((char)((Number)tree.value).intValue())) +
1.1192 + "\'");
1.1193 + break;
1.1194 + case BOOLEAN:
1.1195 + print(((Number)tree.value).intValue() == 1 ? "true" : "false");
1.1196 + break;
1.1197 + case BOT:
1.1198 + print("null");
1.1199 + break;
1.1200 + default:
1.1201 + print("\"" + Convert.quote(tree.value.toString()) + "\"");
1.1202 + break;
1.1203 + }
1.1204 + } catch (IOException e) {
1.1205 + throw new UncheckedIOException(e);
1.1206 + }
1.1207 + }
1.1208 +
1.1209 + public void visitTypeIdent(JCPrimitiveTypeTree tree) {
1.1210 + try {
1.1211 + switch(tree.typetag) {
1.1212 + case BYTE:
1.1213 + print("byte");
1.1214 + break;
1.1215 + case CHAR:
1.1216 + print("char");
1.1217 + break;
1.1218 + case SHORT:
1.1219 + print("short");
1.1220 + break;
1.1221 + case INT:
1.1222 + print("int");
1.1223 + break;
1.1224 + case LONG:
1.1225 + print("long");
1.1226 + break;
1.1227 + case FLOAT:
1.1228 + print("float");
1.1229 + break;
1.1230 + case DOUBLE:
1.1231 + print("double");
1.1232 + break;
1.1233 + case BOOLEAN:
1.1234 + print("boolean");
1.1235 + break;
1.1236 + case VOID:
1.1237 + print("void");
1.1238 + break;
1.1239 + default:
1.1240 + print("error");
1.1241 + break;
1.1242 + }
1.1243 + } catch (IOException e) {
1.1244 + throw new UncheckedIOException(e);
1.1245 + }
1.1246 + }
1.1247 +
1.1248 + public void visitTypeArray(JCArrayTypeTree tree) {
1.1249 + try {
1.1250 + printBaseElementType(tree);
1.1251 + printBrackets(tree);
1.1252 + } catch (IOException e) {
1.1253 + throw new UncheckedIOException(e);
1.1254 + }
1.1255 + }
1.1256 +
1.1257 + // Prints the inner element type of a nested array
1.1258 + private void printBaseElementType(JCTree tree) throws IOException {
1.1259 + printExpr(TreeInfo.innermostType(tree));
1.1260 + }
1.1261 +
1.1262 + // prints the brackets of a nested array in reverse order
1.1263 + // tree is either JCArrayTypeTree or JCAnnotatedTypeTree
1.1264 + private void printBrackets(JCTree tree) throws IOException {
1.1265 + JCTree elem = tree;
1.1266 + while (true) {
1.1267 + if (elem.hasTag(ANNOTATED_TYPE)) {
1.1268 + JCAnnotatedType atype = (JCAnnotatedType) elem;
1.1269 + elem = atype.underlyingType;
1.1270 + if (elem.hasTag(TYPEARRAY)) {
1.1271 + print(' ');
1.1272 + printTypeAnnotations(atype.annotations);
1.1273 + }
1.1274 + }
1.1275 + if (elem.hasTag(TYPEARRAY)) {
1.1276 + print("[]");
1.1277 + elem = ((JCArrayTypeTree)elem).elemtype;
1.1278 + } else {
1.1279 + break;
1.1280 + }
1.1281 + }
1.1282 + }
1.1283 +
1.1284 + public void visitTypeApply(JCTypeApply tree) {
1.1285 + try {
1.1286 + printExpr(tree.clazz);
1.1287 + print("<");
1.1288 + printExprs(tree.arguments);
1.1289 + print(">");
1.1290 + } catch (IOException e) {
1.1291 + throw new UncheckedIOException(e);
1.1292 + }
1.1293 + }
1.1294 +
1.1295 + public void visitTypeUnion(JCTypeUnion tree) {
1.1296 + try {
1.1297 + printExprs(tree.alternatives, " | ");
1.1298 + } catch (IOException e) {
1.1299 + throw new UncheckedIOException(e);
1.1300 + }
1.1301 + }
1.1302 +
1.1303 + public void visitTypeIntersection(JCTypeIntersection tree) {
1.1304 + try {
1.1305 + printExprs(tree.bounds, " & ");
1.1306 + } catch (IOException e) {
1.1307 + throw new UncheckedIOException(e);
1.1308 + }
1.1309 + }
1.1310 +
1.1311 + public void visitTypeParameter(JCTypeParameter tree) {
1.1312 + try {
1.1313 + if (tree.annotations.nonEmpty()) {
1.1314 + this.printTypeAnnotations(tree.annotations);
1.1315 + }
1.1316 + print(tree.name);
1.1317 + if (tree.bounds.nonEmpty()) {
1.1318 + print(" extends ");
1.1319 + printExprs(tree.bounds, " & ");
1.1320 + }
1.1321 + } catch (IOException e) {
1.1322 + throw new UncheckedIOException(e);
1.1323 + }
1.1324 + }
1.1325 +
1.1326 + @Override
1.1327 + public void visitWildcard(JCWildcard tree) {
1.1328 + try {
1.1329 + print(tree.kind);
1.1330 + if (tree.kind.kind != BoundKind.UNBOUND)
1.1331 + printExpr(tree.inner);
1.1332 + } catch (IOException e) {
1.1333 + throw new UncheckedIOException(e);
1.1334 + }
1.1335 + }
1.1336 +
1.1337 + @Override
1.1338 + public void visitTypeBoundKind(TypeBoundKind tree) {
1.1339 + try {
1.1340 + print(String.valueOf(tree.kind));
1.1341 + } catch (IOException e) {
1.1342 + throw new UncheckedIOException(e);
1.1343 + }
1.1344 + }
1.1345 +
1.1346 + public void visitErroneous(JCErroneous tree) {
1.1347 + try {
1.1348 + print("(ERROR)");
1.1349 + } catch (IOException e) {
1.1350 + throw new UncheckedIOException(e);
1.1351 + }
1.1352 + }
1.1353 +
1.1354 + public void visitLetExpr(LetExpr tree) {
1.1355 + try {
1.1356 + print("(let " + tree.defs + " in " + tree.expr + ")");
1.1357 + } catch (IOException e) {
1.1358 + throw new UncheckedIOException(e);
1.1359 + }
1.1360 + }
1.1361 +
1.1362 + public void visitModifiers(JCModifiers mods) {
1.1363 + try {
1.1364 + printAnnotations(mods.annotations);
1.1365 + printFlags(mods.flags);
1.1366 + } catch (IOException e) {
1.1367 + throw new UncheckedIOException(e);
1.1368 + }
1.1369 + }
1.1370 +
1.1371 + public void visitAnnotation(JCAnnotation tree) {
1.1372 + try {
1.1373 + print("@");
1.1374 + printExpr(tree.annotationType);
1.1375 + print("(");
1.1376 + printExprs(tree.args);
1.1377 + print(")");
1.1378 + } catch (IOException e) {
1.1379 + throw new UncheckedIOException(e);
1.1380 + }
1.1381 + }
1.1382 +
1.1383 + public void visitAnnotatedType(JCAnnotatedType tree) {
1.1384 + try {
1.1385 + if (tree.underlyingType.hasTag(SELECT)) {
1.1386 + JCFieldAccess access = (JCFieldAccess) tree.underlyingType;
1.1387 + printExpr(access.selected, TreeInfo.postfixPrec);
1.1388 + print(".");
1.1389 + printTypeAnnotations(tree.annotations);
1.1390 + print(access.name);
1.1391 + } else if (tree.underlyingType.hasTag(TYPEARRAY)) {
1.1392 + printBaseElementType(tree);
1.1393 + printBrackets(tree);
1.1394 + } else {
1.1395 + printTypeAnnotations(tree.annotations);
1.1396 + printExpr(tree.underlyingType);
1.1397 + }
1.1398 + } catch (IOException e) {
1.1399 + throw new UncheckedIOException(e);
1.1400 + }
1.1401 + }
1.1402 +
1.1403 + public void visitTree(JCTree tree) {
1.1404 + try {
1.1405 + print("(UNKNOWN: " + tree + ")");
1.1406 + println();
1.1407 + } catch (IOException e) {
1.1408 + throw new UncheckedIOException(e);
1.1409 + }
1.1410 + }
1.1411 +
1.1412 +}
