1 | /* |
2 | * Copyright (C) 2007-2010 Júlio Vilmar Gesser. |
3 | * Copyright (C) 2011, 2013-2016 The JavaParser Team. |
4 | * |
5 | * This file is part of JavaParser. |
6 | * |
7 | * JavaParser can be used either under the terms of |
8 | * a) the GNU Lesser General Public License as published by |
9 | * the Free Software Foundation, either version 3 of the License, or |
10 | * (at your option) any later version. |
11 | * b) the terms of the Apache License |
12 | * |
13 | * You should have received a copy of both licenses in LICENCE.LGPL and |
14 | * LICENCE.APACHE. Please refer to those files for details. |
15 | * |
16 | * JavaParser is distributed in the hope that it will be useful, |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
19 | * GNU Lesser General Public License for more details. |
20 | */ |
21 | |
22 | //import com.github.javaparser.printer.*; |
23 | import com.github.javaparser.ast.*; |
24 | import com.github.javaparser.ast.Modifier; |
25 | import com.github.javaparser.ast.body.*; |
26 | import com.github.javaparser.ast.comments.BlockComment; |
27 | import com.github.javaparser.ast.comments.Comment; |
28 | import com.github.javaparser.ast.comments.JavadocComment; |
29 | import com.github.javaparser.ast.comments.LineComment; |
30 | import com.github.javaparser.ast.expr.*; |
31 | import com.github.javaparser.ast.modules.*; |
32 | import com.github.javaparser.ast.nodeTypes.*; |
33 | import com.github.javaparser.ast.stmt.*; |
34 | import com.github.javaparser.ast.type.*; |
35 | import com.github.javaparser.ast.type.Type; |
36 | import com.github.javaparser.ast.visitor.Visitable; |
37 | import com.github.javaparser.ast.visitor.VoidVisitor; |
38 | |
39 | import java.util.*; |
40 | import java.util.concurrent.atomic.AtomicBoolean; |
41 | import java.util.stream.Collectors; |
42 | |
43 | import static com.github.javaparser.ast.Node.Parsedness.UNPARSABLE; |
44 | import static com.github.javaparser.utils.PositionUtils.sortByBeginPosition; |
45 | import static com.github.javaparser.utils.Utils.*; |
46 | import static java.util.Comparator.comparingInt; |
47 | |
48 | /** |
49 | * Outputs the AST as formatted Java source code. |
50 | * |
51 | * @author Julio Vilmar Gesser |
52 | */ |
53 | sclass PrettyPrintVisitor2 implements VoidVisitor<Void> {
|
54 | protected final PrettyPrinterConfiguration configuration; |
55 | protected final SourcePrinter printer; |
56 | |
57 | *(PrettyPrinterConfiguration prettyPrinterConfiguration) {
|
58 | configuration = prettyPrinterConfiguration; |
59 | printer = new SourcePrinter(configuration); |
60 | } |
61 | |
62 | public String getSource() {
|
63 | return printer.getSource(); |
64 | } |
65 | |
66 | private void printModifiers(final NodeList<Modifier> modifiers) {
|
67 | if (modifiers.size() > 0) {
|
68 | printer.print(modifiers.stream().map(Modifier::getKeyword).map(Modifier.Keyword::asString).collect(Collectors.joining(" ")) + " ");
|
69 | } |
70 | } |
71 | |
72 | private void printMembers(final NodeList<BodyDeclaration<?>> members, final Void arg) {
|
73 | bool first = true; |
74 | for (final BodyDeclaration<?> member : members) {
|
75 | if (first) first = false; else printer.println(); |
76 | member.accept(this, arg); |
77 | printer.println(); |
78 | } |
79 | } |
80 | |
81 | private void printMemberAnnotations(final NodeList<AnnotationExpr> annotations, final Void arg) {
|
82 | if (annotations.isEmpty()) {
|
83 | return; |
84 | } |
85 | for (final AnnotationExpr a : annotations) {
|
86 | a.accept(this, arg); |
87 | printer.println(); |
88 | } |
89 | } |
90 | |
91 | private void printAnnotations(final NodeList<AnnotationExpr> annotations, boolean prefixWithASpace, |
92 | final Void arg) {
|
93 | if (annotations.isEmpty()) {
|
94 | return; |
95 | } |
96 | if (prefixWithASpace) {
|
97 | printer.print(" ");
|
98 | } |
99 | for (AnnotationExpr annotation : annotations) {
|
100 | annotation.accept(this, arg); |
101 | printer.print(" ");
|
102 | } |
103 | } |
104 | |
105 | private void printTypeArgs(final NodeWithTypeArguments<?> nodeWithTypeArguments, final Void arg) {
|
106 | NodeList<Type> typeArguments = nodeWithTypeArguments.getTypeArguments().orElse(null); |
107 | if (!isNullOrEmpty(typeArguments)) {
|
108 | printer.print("<");
|
109 | for (final Iterator<Type> i = typeArguments.iterator(); i.hasNext(); ) {
|
110 | final Type t = i.next(); |
111 | t.accept(this, arg); |
112 | if (i.hasNext()) {
|
113 | printer.print(", ");
|
114 | } |
115 | } |
116 | printer.print(">");
|
117 | } |
118 | } |
119 | |
120 | private void printTypeParameters(final NodeList<TypeParameter> args, final Void arg) {
|
121 | if (!isNullOrEmpty(args)) {
|
122 | printer.print("<");
|
123 | for (final Iterator<TypeParameter> i = args.iterator(); i.hasNext(); ) {
|
124 | final TypeParameter t = i.next(); |
125 | t.accept(this, arg); |
126 | if (i.hasNext()) {
|
127 | printer.print(", ");
|
128 | } |
129 | } |
130 | printer.print(">");
|
131 | } |
132 | } |
133 | |
134 | private void printArguments(final NodeList<Expression> args, final Void arg) {
|
135 | printer.print("(");
|
136 | if (!isNullOrEmpty(args)) {
|
137 | boolean columnAlignParameters = (args.size() > 1) && configuration.isColumnAlignParameters(); |
138 | if (columnAlignParameters) {
|
139 | printer.indentWithAlignTo(printer.getCursor().column); |
140 | } |
141 | for (final Iterator<Expression> i = args.iterator(); i.hasNext(); ) {
|
142 | final Expression e = i.next(); |
143 | e.accept(this, arg); |
144 | if (i.hasNext()) {
|
145 | printer.print(",");
|
146 | if (columnAlignParameters) {
|
147 | printer.println(); |
148 | } else {
|
149 | printer.print(" ");
|
150 | } |
151 | } |
152 | } |
153 | if (columnAlignParameters) {
|
154 | printer.unindent(); |
155 | } |
156 | } |
157 | printer.print(")");
|
158 | } |
159 | |
160 | private void printPrePostFixOptionalList(final NodeList<? extends Visitable> args, final Void arg, String prefix, String separator, String postfix) {
|
161 | if (!args.isEmpty()) {
|
162 | printer.print(prefix); |
163 | for (final Iterator<? extends Visitable> i = args.iterator(); i.hasNext(); ) {
|
164 | final Visitable v = i.next(); |
165 | v.accept(this, arg); |
166 | if (i.hasNext()) {
|
167 | printer.print(separator); |
168 | } |
169 | } |
170 | printer.print(postfix); |
171 | } |
172 | } |
173 | |
174 | private void printPrePostFixRequiredList(final NodeList<? extends Visitable> args, final Void arg, String prefix, String separator, String postfix) {
|
175 | printer.print(prefix); |
176 | if (!args.isEmpty()) {
|
177 | for (final Iterator<? extends Visitable> i = args.iterator(); i.hasNext(); ) {
|
178 | final Visitable v = i.next(); |
179 | v.accept(this, arg); |
180 | if (i.hasNext()) {
|
181 | printer.print(separator); |
182 | } |
183 | } |
184 | } |
185 | printer.print(postfix); |
186 | } |
187 | |
188 | private void printComment(final Optional<Comment> comment, final Void arg) {
|
189 | comment.ifPresent(c -> c.accept(this, arg)); |
190 | } |
191 | |
192 | @Override |
193 | public void visit(final CompilationUnit n, final Void arg) {
|
194 | printComment(n.getComment(), arg); |
195 | if (n.getParsed() == UNPARSABLE) {
|
196 | printer.println("???");
|
197 | return; |
198 | } |
199 | |
200 | if (n.getPackageDeclaration().isPresent()) {
|
201 | n.getPackageDeclaration().get().accept(this, arg); |
202 | } |
203 | |
204 | n.getImports().accept(this, arg); |
205 | if (!n.getImports().isEmpty()) {
|
206 | printer.println(); |
207 | } |
208 | |
209 | for (final Iterator<TypeDeclaration<?>> i = n.getTypes().iterator(); i.hasNext(); ) {
|
210 | i.next().accept(this, arg); |
211 | printer.println(); |
212 | if (i.hasNext()) {
|
213 | printer.println(); |
214 | } |
215 | } |
216 | |
217 | n.getModule().ifPresent(m -> m.accept(this, arg)); |
218 | |
219 | printOrphanCommentsEnding(n); |
220 | } |
221 | |
222 | @Override |
223 | public void visit(final PackageDeclaration n, final Void arg) {
|
224 | printComment(n.getComment(), arg); |
225 | printMemberAnnotations(n.getAnnotations(), arg); |
226 | printer.print("package ");
|
227 | n.getName().accept(this, arg); |
228 | printer.println(";");
|
229 | printer.println(); |
230 | |
231 | printOrphanCommentsEnding(n); |
232 | } |
233 | |
234 | @Override |
235 | public void visit(final NameExpr n, final Void arg) {
|
236 | printComment(n.getComment(), arg); |
237 | n.getName().accept(this, arg); |
238 | |
239 | printOrphanCommentsEnding(n); |
240 | } |
241 | |
242 | @Override |
243 | public void visit(final Name n, final Void arg) {
|
244 | printComment(n.getComment(), arg); |
245 | if (n.getQualifier().isPresent()) {
|
246 | n.getQualifier().get().accept(this, arg); |
247 | printer.print(".");
|
248 | } |
249 | printer.print(n.getIdentifier()); |
250 | |
251 | printOrphanCommentsEnding(n); |
252 | } |
253 | |
254 | @Override |
255 | public void visit(SimpleName n, Void arg) {
|
256 | printer.print(n.getIdentifier()); |
257 | } |
258 | |
259 | @Override |
260 | public void visit(final ClassOrInterfaceDeclaration n, final Void arg) {
|
261 | printComment(n.getComment(), arg); |
262 | printMemberAnnotations(n.getAnnotations(), arg); |
263 | printModifiers(n.getModifiers()); |
264 | |
265 | if (n.isInterface()) {
|
266 | printer.print("interface ");
|
267 | } else {
|
268 | printer.print("class ");
|
269 | } |
270 | |
271 | n.getName().accept(this, arg); |
272 | |
273 | printTypeParameters(n.getTypeParameters(), arg); |
274 | |
275 | if (!n.getExtendedTypes().isEmpty()) {
|
276 | printer.print(" extends ");
|
277 | for (final Iterator<ClassOrInterfaceType> i = n.getExtendedTypes().iterator(); i.hasNext(); ) {
|
278 | final ClassOrInterfaceType c = i.next(); |
279 | c.accept(this, arg); |
280 | if (i.hasNext()) {
|
281 | printer.print(", ");
|
282 | } |
283 | } |
284 | } |
285 | |
286 | if (!n.getImplementedTypes().isEmpty()) {
|
287 | printer.print(" implements ");
|
288 | for (final Iterator<ClassOrInterfaceType> i = n.getImplementedTypes().iterator(); i.hasNext(); ) {
|
289 | final ClassOrInterfaceType c = i.next(); |
290 | c.accept(this, arg); |
291 | if (i.hasNext()) {
|
292 | printer.print(", ");
|
293 | } |
294 | } |
295 | } |
296 | |
297 | printer.println(" {");
|
298 | printer.indent(); |
299 | if (!isNullOrEmpty(n.getMembers())) {
|
300 | printMembers(n.getMembers(), arg); |
301 | } |
302 | |
303 | printOrphanCommentsEnding(n); |
304 | |
305 | printer.unindent(); |
306 | printer.print("}");
|
307 | } |
308 | |
309 | @Override |
310 | public void visit(final JavadocComment n, final Void arg) {
|
311 | if (configuration.isPrintComments() && configuration.isPrintJavadoc()) {
|
312 | printer.println("/**");
|
313 | final String commentContent = normalizeEolInTextBlock(n.getContent(), configuration.getEndOfLineCharacter()); |
314 | String[] lines = commentContent.split("\\R");
|
315 | boolean skippingLeadingEmptyLines = true; |
316 | boolean prependEmptyLine = false; |
317 | boolean prependSpace = Arrays.stream(lines).anyMatch(line -> !line.isEmpty() && !line.startsWith(" "));
|
318 | for (String line : lines) {
|
319 | final String trimmedLine = line.trim(); |
320 | if (trimmedLine.startsWith("*")) {
|
321 | line = trimmedLine.substring(1); |
322 | } |
323 | line = trimTrailingSpaces(line); |
324 | if (line.isEmpty()) {
|
325 | if (!skippingLeadingEmptyLines) {
|
326 | prependEmptyLine = true; |
327 | } |
328 | } else {
|
329 | skippingLeadingEmptyLines = false; |
330 | if (prependEmptyLine) {
|
331 | printer.println(" *");
|
332 | prependEmptyLine = false; |
333 | } |
334 | printer.print(" *");
|
335 | if (prependSpace) {
|
336 | printer.print(" ");
|
337 | } |
338 | printer.println(line); |
339 | } |
340 | } |
341 | printer.println(" */");
|
342 | } |
343 | } |
344 | |
345 | @Override |
346 | public void visit(final ClassOrInterfaceType n, final Void arg) {
|
347 | printComment(n.getComment(), arg); |
348 | if (n.getScope().isPresent()) {
|
349 | n.getScope().get().accept(this, arg); |
350 | printer.print(".");
|
351 | } |
352 | printAnnotations(n.getAnnotations(), false, arg); |
353 | |
354 | n.getName().accept(this, arg); |
355 | |
356 | if (n.isUsingDiamondOperator()) {
|
357 | printer.print("<>");
|
358 | } else {
|
359 | printTypeArgs(n, arg); |
360 | } |
361 | } |
362 | |
363 | @Override |
364 | public void visit(final TypeParameter n, final Void arg) {
|
365 | printComment(n.getComment(), arg); |
366 | printAnnotations(n.getAnnotations(), false, arg); |
367 | n.getName().accept(this, arg); |
368 | if (!isNullOrEmpty(n.getTypeBound())) {
|
369 | printer.print(" extends ");
|
370 | for (final Iterator<ClassOrInterfaceType> i = n.getTypeBound().iterator(); i.hasNext(); ) {
|
371 | final ClassOrInterfaceType c = i.next(); |
372 | c.accept(this, arg); |
373 | if (i.hasNext()) {
|
374 | printer.print(" & ");
|
375 | } |
376 | } |
377 | } |
378 | } |
379 | |
380 | @Override |
381 | public void visit(final PrimitiveType n, final Void arg) {
|
382 | printComment(n.getComment(), arg); |
383 | printAnnotations(n.getAnnotations(), true, arg); |
384 | printer.print(n.getType().asString()); |
385 | } |
386 | |
387 | @Override |
388 | public void visit(final ArrayType n, final Void arg) {
|
389 | final List<ArrayType> arrayTypeBuffer = new LinkedList<>(); |
390 | Type type = n; |
391 | while (type instanceof ArrayType) {
|
392 | final ArrayType arrayType = (ArrayType) type; |
393 | arrayTypeBuffer.add(arrayType); |
394 | type = arrayType.getComponentType(); |
395 | } |
396 | |
397 | type.accept(this, arg); |
398 | for (ArrayType arrayType : arrayTypeBuffer) {
|
399 | printAnnotations(arrayType.getAnnotations(), true, arg); |
400 | printer.print("[]");
|
401 | } |
402 | } |
403 | |
404 | @Override |
405 | public void visit(final ArrayCreationLevel n, final Void arg) {
|
406 | printAnnotations(n.getAnnotations(), true, arg); |
407 | printer.print("[");
|
408 | if (n.getDimension().isPresent()) {
|
409 | n.getDimension().get().accept(this, arg); |
410 | } |
411 | printer.print("]");
|
412 | } |
413 | |
414 | @Override |
415 | public void visit(final IntersectionType n, final Void arg) {
|
416 | printComment(n.getComment(), arg); |
417 | printAnnotations(n.getAnnotations(), false, arg); |
418 | boolean isFirst = true; |
419 | for (ReferenceType element : n.getElements()) {
|
420 | if (isFirst) {
|
421 | isFirst = false; |
422 | } else {
|
423 | printer.print(" & ");
|
424 | } |
425 | element.accept(this, arg); |
426 | } |
427 | } |
428 | |
429 | @Override |
430 | public void visit(final UnionType n, final Void arg) {
|
431 | printComment(n.getComment(), arg); |
432 | printAnnotations(n.getAnnotations(), true, arg); |
433 | boolean isFirst = true; |
434 | for (ReferenceType element : n.getElements()) {
|
435 | if (isFirst) {
|
436 | isFirst = false; |
437 | } else {
|
438 | printer.print(" | ");
|
439 | } |
440 | element.accept(this, arg); |
441 | } |
442 | } |
443 | |
444 | @Override |
445 | public void visit(final WildcardType n, final Void arg) {
|
446 | printComment(n.getComment(), arg); |
447 | printAnnotations(n.getAnnotations(), false, arg); |
448 | printer.print("?");
|
449 | if (n.getExtendedType().isPresent()) {
|
450 | printer.print(" extends ");
|
451 | n.getExtendedType().get().accept(this, arg); |
452 | } |
453 | if (n.getSuperType().isPresent()) {
|
454 | printer.print(" super ");
|
455 | n.getSuperType().get().accept(this, arg); |
456 | } |
457 | } |
458 | |
459 | @Override |
460 | public void visit(final UnknownType n, final Void arg) {
|
461 | // Nothing to print |
462 | } |
463 | |
464 | @Override |
465 | public void visit(final FieldDeclaration n, final Void arg) {
|
466 | printOrphanCommentsBeforeThisChildNode(n); |
467 | |
468 | printComment(n.getComment(), arg); |
469 | printMemberAnnotations(n.getAnnotations(), arg); |
470 | printModifiers(n.getModifiers()); |
471 | if (!n.getVariables().isEmpty()) {
|
472 | Optional<Type> maximumCommonType = n.getMaximumCommonType(); |
473 | maximumCommonType.ifPresent(t -> t.accept(this, arg)); |
474 | if (!maximumCommonType.isPresent()) {
|
475 | printer.print("???");
|
476 | } |
477 | } |
478 | |
479 | printer.print(" ");
|
480 | for (final Iterator<VariableDeclarator> i = n.getVariables().iterator(); i.hasNext(); ) {
|
481 | final VariableDeclarator var = i.next(); |
482 | var.accept(this, arg); |
483 | if (i.hasNext()) {
|
484 | printer.print(", ");
|
485 | } |
486 | } |
487 | |
488 | printer.print(";");
|
489 | } |
490 | |
491 | @Override |
492 | public void visit(final VariableDeclarator n, final Void arg) {
|
493 | printComment(n.getComment(), arg); |
494 | n.getName().accept(this, arg); |
495 | |
496 | n.findAncestor(NodeWithVariables.class).ifPresent(ancestor -> {
|
497 | ((NodeWithVariables<?>) ancestor).getMaximumCommonType().ifPresent(commonType -> {
|
498 | |
499 | final Type type = n.getType(); |
500 | |
501 | ArrayType arrayType = null; |
502 | |
503 | for (int i = commonType.getArrayLevel(); i < type.getArrayLevel(); i++) {
|
504 | if (arrayType == null) {
|
505 | arrayType = (ArrayType) type; |
506 | } else {
|
507 | arrayType = (ArrayType) arrayType.getComponentType(); |
508 | } |
509 | printAnnotations(arrayType.getAnnotations(), true, arg); |
510 | printer.print("[]");
|
511 | } |
512 | }); |
513 | }); |
514 | |
515 | if (n.getInitializer().isPresent()) {
|
516 | printer.print(" = ");
|
517 | n.getInitializer().get().accept(this, arg); |
518 | } |
519 | } |
520 | |
521 | @Override |
522 | public void visit(final ArrayInitializerExpr n, final Void arg) {
|
523 | printComment(n.getComment(), arg); |
524 | printer.print("{");
|
525 | if (!isNullOrEmpty(n.getValues())) {
|
526 | printer.print(" ");
|
527 | for (final Iterator<Expression> i = n.getValues().iterator(); i.hasNext(); ) {
|
528 | final Expression expr = i.next(); |
529 | expr.accept(this, arg); |
530 | if (i.hasNext()) {
|
531 | printer.print(", ");
|
532 | } |
533 | } |
534 | printer.print(" ");
|
535 | } |
536 | printOrphanCommentsEnding(n); |
537 | printer.print("}");
|
538 | } |
539 | |
540 | @Override |
541 | public void visit(final VoidType n, final Void arg) {
|
542 | printComment(n.getComment(), arg); |
543 | printAnnotations(n.getAnnotations(), false, arg); |
544 | printer.print("void");
|
545 | } |
546 | |
547 | @Override |
548 | public void visit(final VarType n, final Void arg) {
|
549 | printComment(n.getComment(), arg); |
550 | printAnnotations(n.getAnnotations(), false, arg); |
551 | printer.print("var");
|
552 | } |
553 | |
554 | @Override |
555 | public void visit(Modifier n, Void arg) {
|
556 | printer.print(n.getKeyword().asString()); |
557 | printer.print(" ");
|
558 | } |
559 | |
560 | @Override |
561 | public void visit(final ArrayAccessExpr n, final Void arg) {
|
562 | printComment(n.getComment(), arg); |
563 | n.getName().accept(this, arg); |
564 | printer.print("[");
|
565 | n.getIndex().accept(this, arg); |
566 | printer.print("]");
|
567 | } |
568 | |
569 | @Override |
570 | public void visit(final ArrayCreationExpr n, final Void arg) {
|
571 | printComment(n.getComment(), arg); |
572 | printer.print("new ");
|
573 | n.getElementType().accept(this, arg); |
574 | for (ArrayCreationLevel level : n.getLevels()) {
|
575 | level.accept(this, arg); |
576 | } |
577 | if (n.getInitializer().isPresent()) {
|
578 | printer.print(" ");
|
579 | n.getInitializer().get().accept(this, arg); |
580 | } |
581 | } |
582 | |
583 | @Override |
584 | public void visit(final AssignExpr n, final Void arg) {
|
585 | printComment(n.getComment(), arg); |
586 | n.getTarget().accept(this, arg); |
587 | printer.print(" ");
|
588 | printer.print(n.getOperator().asString()); |
589 | printer.print(" ");
|
590 | n.getValue().accept(this, arg); |
591 | } |
592 | |
593 | @Override |
594 | public void visit(final BinaryExpr n, final Void arg) {
|
595 | printComment(n.getComment(), arg); |
596 | n.getLeft().accept(this, arg); |
597 | printer.print(" ");
|
598 | printer.print(n.getOperator().asString()); |
599 | printer.print(" ");
|
600 | n.getRight().accept(this, arg); |
601 | } |
602 | |
603 | @Override |
604 | public void visit(final CastExpr n, final Void arg) {
|
605 | printComment(n.getComment(), arg); |
606 | printer.print("(");
|
607 | n.getType().accept(this, arg); |
608 | printer.print(") ");
|
609 | n.getExpression().accept(this, arg); |
610 | } |
611 | |
612 | @Override |
613 | public void visit(final ClassExpr n, final Void arg) {
|
614 | printComment(n.getComment(), arg); |
615 | n.getType().accept(this, arg); |
616 | printer.print(".class");
|
617 | } |
618 | |
619 | @Override |
620 | public void visit(final ConditionalExpr n, final Void arg) {
|
621 | printComment(n.getComment(), arg); |
622 | n.getCondition().accept(this, arg); |
623 | printer.print(" ? ");
|
624 | n.getThenExpr().accept(this, arg); |
625 | printer.print(" : ");
|
626 | n.getElseExpr().accept(this, arg); |
627 | } |
628 | |
629 | @Override |
630 | public void visit(final EnclosedExpr n, final Void arg) {
|
631 | printComment(n.getComment(), arg); |
632 | printer.print("(");
|
633 | n.getInner().accept(this, arg); |
634 | printer.print(")");
|
635 | } |
636 | |
637 | @Override |
638 | public void visit(final FieldAccessExpr n, final Void arg) {
|
639 | printComment(n.getComment(), arg); |
640 | n.getScope().accept(this, arg); |
641 | printer.print(".");
|
642 | n.getName().accept(this, arg); |
643 | } |
644 | |
645 | @Override |
646 | public void visit(final InstanceOfExpr n, final Void arg) {
|
647 | printComment(n.getComment(), arg); |
648 | n.getExpression().accept(this, arg); |
649 | printer.print(" instanceof ");
|
650 | n.getType().accept(this, arg); |
651 | } |
652 | |
653 | @Override |
654 | public void visit(final CharLiteralExpr n, final Void arg) {
|
655 | printComment(n.getComment(), arg); |
656 | printer.print("'");
|
657 | printer.print(n.getValue()); |
658 | printer.print("'");
|
659 | } |
660 | |
661 | @Override |
662 | public void visit(final DoubleLiteralExpr n, final Void arg) {
|
663 | printComment(n.getComment(), arg); |
664 | printer.print(n.getValue()); |
665 | } |
666 | |
667 | @Override |
668 | public void visit(final IntegerLiteralExpr n, final Void arg) {
|
669 | printComment(n.getComment(), arg); |
670 | printer.print(n.getValue()); |
671 | } |
672 | |
673 | @Override |
674 | public void visit(final LongLiteralExpr n, final Void arg) {
|
675 | printComment(n.getComment(), arg); |
676 | printer.print(n.getValue()); |
677 | } |
678 | |
679 | @Override |
680 | public void visit(final StringLiteralExpr n, final Void arg) {
|
681 | printComment(n.getComment(), arg); |
682 | printer.print("\"");
|
683 | printer.print(n.getValue()); |
684 | printer.print("\"");
|
685 | } |
686 | |
687 | @Override |
688 | public void visit(final BooleanLiteralExpr n, final Void arg) {
|
689 | printComment(n.getComment(), arg); |
690 | printer.print(String.valueOf(n.getValue())); |
691 | } |
692 | |
693 | @Override |
694 | public void visit(final NullLiteralExpr n, final Void arg) {
|
695 | printComment(n.getComment(), arg); |
696 | printer.print("null");
|
697 | } |
698 | |
699 | @Override |
700 | public void visit(final ThisExpr n, final Void arg) {
|
701 | printComment(n.getComment(), arg); |
702 | if (n.getClassExpr().isPresent()) {
|
703 | n.getClassExpr().get().accept(this, arg); |
704 | printer.print(".");
|
705 | } |
706 | printer.print("this");
|
707 | } |
708 | |
709 | @Override |
710 | public void visit(final SuperExpr n, final Void arg) {
|
711 | printComment(n.getComment(), arg); |
712 | if (n.getClassExpr().isPresent()) {
|
713 | n.getClassExpr().get().accept(this, arg); |
714 | printer.print(".");
|
715 | } |
716 | printer.print("super");
|
717 | } |
718 | |
719 | @Override |
720 | public void visit(final MethodCallExpr n, final Void arg) {
|
721 | printComment(n.getComment(), arg); |
722 | |
723 | // determine whether we do reindenting for aligmnent at all |
724 | // - is it enabled? |
725 | // - are we in a statement where we want the alignment? |
726 | // - are we not directly in the argument list of a method call expression? |
727 | AtomicBoolean columnAlignFirstMethodChain = new AtomicBoolean(); |
728 | if (configuration.isColumnAlignFirstMethodChain()) {
|
729 | // pick the kind of expressions where vertically aligning method calls is okay. |
730 | if (n.findAncestor(Statement.class).map(p -> p.isReturnStmt() |
731 | || p.isThrowStmt() |
732 | || p.isAssertStmt() |
733 | || p.isExpressionStmt()).orElse(false)) {
|
734 | // search for first parent that does not have its child as scope |
735 | Node c = n; |
736 | Optional<Node> p = c.getParentNode(); |
737 | while (p.isPresent() && p.filter(NodeWithTraversableScope.class::isInstance) |
738 | .map(NodeWithTraversableScope.class::cast) |
739 | .flatMap(NodeWithTraversableScope::traverseScope) |
740 | .map(c::equals) |
741 | .orElse(false)) {
|
742 | c = p.get(); |
743 | p = c.getParentNode(); |
744 | } |
745 | |
746 | // check if the parent is a method call and thus we are in an argument list |
747 | columnAlignFirstMethodChain.set(!p.filter(MethodCallExpr.class::isInstance).isPresent()); |
748 | } |
749 | } |
750 | |
751 | // we are at the last method call of a call chain |
752 | // this means we do not start reindenting for alignment or we undo it |
753 | AtomicBoolean lastMethodInCallChain = new AtomicBoolean(true); |
754 | if (columnAlignFirstMethodChain.get()) {
|
755 | Node node = n; |
756 | while (node.getParentNode() |
757 | .filter(NodeWithTraversableScope.class::isInstance) |
758 | .map(NodeWithTraversableScope.class::cast) |
759 | .flatMap(NodeWithTraversableScope::traverseScope) |
760 | .map(node::equals) |
761 | .orElse(false)) {
|
762 | node = node.getParentNode().orElseThrow(AssertionError::new); |
763 | if (node instanceof MethodCallExpr) {
|
764 | lastMethodInCallChain.set(false); |
765 | break; |
766 | } |
767 | } |
768 | } |
769 | |
770 | // search whether there is a method call with scope in the scope already |
771 | // this means that we probably started reindenting for alignment there |
772 | AtomicBoolean methodCallWithScopeInScope = new AtomicBoolean(); |
773 | if (columnAlignFirstMethodChain.get()) {
|
774 | Optional<Expression> s = n.getScope(); |
775 | while (s.filter(NodeWithTraversableScope.class::isInstance).isPresent()) {
|
776 | Optional<Expression> parentScope = s.map(NodeWithTraversableScope.class::cast) |
777 | .flatMap(NodeWithTraversableScope::traverseScope); |
778 | if (s.filter(MethodCallExpr.class::isInstance).isPresent() && parentScope.isPresent()) {
|
779 | methodCallWithScopeInScope.set(true); |
780 | break; |
781 | } |
782 | s = parentScope; |
783 | } |
784 | } |
785 | |
786 | // we have a scope |
787 | // this means we are not the first method in the chain |
788 | n.getScope().ifPresent(scope -> {
|
789 | scope.accept(this, arg); |
790 | if (columnAlignFirstMethodChain.get()) {
|
791 | if (methodCallWithScopeInScope.get()) {
|
792 | /* We're a method call on the result of something (method call, property access, ...) that is not stand alone, |
793 | and not the first one with scope, like: |
794 | we're x() in a.b().x(), or in a=b().c[15].d.e().x(). |
795 | That means that the "else" has been executed by one of the methods in the scope chain, so that the alignment |
796 | is set to the "." of that method. |
797 | That means we will align to that "." when we start a new line: */ |
798 | printer.println(); |
799 | } else if (!lastMethodInCallChain.get()) {
|
800 | /* We're the first method call on the result of something in the chain (method call, property access, ...), |
801 | but we are not at the same time the last method call in that chain, like: |
802 | we're x() in a().x().y(), or in Long.x().y.z(). That means we get to dictate the indent of following method |
803 | calls in this chain by setting the cursor to where we are now: just before the "." |
804 | that start this method call. */ |
805 | printer.reindentWithAlignToCursor(); |
806 | } |
807 | } |
808 | printer.print(".");
|
809 | }); |
810 | |
811 | printTypeArgs(n, arg); |
812 | n.getName().accept(this, arg); |
813 | printer.duplicateIndent(); |
814 | printArguments(n.getArguments(), arg); |
815 | printer.unindent(); |
816 | if (columnAlignFirstMethodChain.get() && methodCallWithScopeInScope.get() && lastMethodInCallChain.get()) {
|
817 | // undo the aligning after the arguments of the last method call are printed |
818 | printer.reindentToPreviousLevel(); |
819 | } |
820 | } |
821 | |
822 | @Override |
823 | public void visit(final ObjectCreationExpr n, final Void arg) {
|
824 | printComment(n.getComment(), arg); |
825 | if (n.getScope().isPresent()) {
|
826 | n.getScope().get().accept(this, arg); |
827 | printer.print(".");
|
828 | } |
829 | |
830 | printer.print("new ");
|
831 | |
832 | printTypeArgs(n, arg); |
833 | if (!isNullOrEmpty(n.getTypeArguments().orElse(null))) {
|
834 | printer.print(" ");
|
835 | } |
836 | |
837 | n.getType().accept(this, arg); |
838 | |
839 | printArguments(n.getArguments(), arg); |
840 | |
841 | if (n.getAnonymousClassBody().isPresent()) {
|
842 | printer.println(" {");
|
843 | printer.indent(); |
844 | printMembers(n.getAnonymousClassBody().get(), arg); |
845 | printer.unindent(); |
846 | printer.print("}");
|
847 | } |
848 | } |
849 | |
850 | @Override |
851 | public void visit(final UnaryExpr n, final Void arg) {
|
852 | printComment(n.getComment(), arg); |
853 | if (n.getOperator().isPrefix()) {
|
854 | printer.print(n.getOperator().asString()); |
855 | } |
856 | |
857 | n.getExpression().accept(this, arg); |
858 | |
859 | if (n.getOperator().isPostfix()) {
|
860 | printer.print(n.getOperator().asString()); |
861 | } |
862 | } |
863 | |
864 | @Override |
865 | public void visit(final ConstructorDeclaration n, final Void arg) {
|
866 | printComment(n.getComment(), arg); |
867 | printMemberAnnotations(n.getAnnotations(), arg); |
868 | printModifiers(n.getModifiers()); |
869 | |
870 | printTypeParameters(n.getTypeParameters(), arg); |
871 | if (n.isGeneric()) {
|
872 | printer.print(" ");
|
873 | } |
874 | n.getName().accept(this, arg); |
875 | |
876 | printer.print("(");
|
877 | if (!n.getParameters().isEmpty()) {
|
878 | for (final Iterator<Parameter> i = n.getParameters().iterator(); i.hasNext(); ) {
|
879 | final Parameter p = i.next(); |
880 | p.accept(this, arg); |
881 | if (i.hasNext()) {
|
882 | printer.print(", ");
|
883 | } |
884 | } |
885 | } |
886 | printer.print(")");
|
887 | |
888 | if (!isNullOrEmpty(n.getThrownExceptions())) {
|
889 | printer.print(" throws ");
|
890 | for (final Iterator<ReferenceType> i = n.getThrownExceptions().iterator(); i.hasNext(); ) {
|
891 | final ReferenceType name = i.next(); |
892 | name.accept(this, arg); |
893 | if (i.hasNext()) {
|
894 | printer.print(", ");
|
895 | } |
896 | } |
897 | } |
898 | printer.print(" ");
|
899 | n.getBody().accept(this, arg); |
900 | } |
901 | |
902 | @Override |
903 | public void visit(final MethodDeclaration n, final Void arg) {
|
904 | printOrphanCommentsBeforeThisChildNode(n); |
905 | |
906 | printComment(n.getComment(), arg); |
907 | printMemberAnnotations(n.getAnnotations(), arg); |
908 | printModifiers(n.getModifiers()); |
909 | printTypeParameters(n.getTypeParameters(), arg); |
910 | if (!isNullOrEmpty(n.getTypeParameters())) {
|
911 | printer.print(" ");
|
912 | } |
913 | |
914 | n.getType().accept(this, arg); |
915 | printer.print(" ");
|
916 | n.getName().accept(this, arg); |
917 | |
918 | printer.print("(");
|
919 | n.getReceiverParameter().ifPresent(rp -> {
|
920 | rp.accept(this, arg); |
921 | if (!isNullOrEmpty(n.getParameters())) {
|
922 | printer.print(", ");
|
923 | } |
924 | }); |
925 | if (!isNullOrEmpty(n.getParameters())) {
|
926 | for (final Iterator<Parameter> i = n.getParameters().iterator(); i.hasNext(); ) {
|
927 | final Parameter p = i.next(); |
928 | p.accept(this, arg); |
929 | if (i.hasNext()) {
|
930 | printer.print(", ");
|
931 | } |
932 | } |
933 | } |
934 | printer.print(")");
|
935 | |
936 | if (!isNullOrEmpty(n.getThrownExceptions())) {
|
937 | printer.print(" throws ");
|
938 | for (final Iterator<ReferenceType> i = n.getThrownExceptions().iterator(); i.hasNext(); ) {
|
939 | final ReferenceType name = i.next(); |
940 | name.accept(this, arg); |
941 | if (i.hasNext()) {
|
942 | printer.print(", ");
|
943 | } |
944 | } |
945 | } |
946 | if (!n.getBody().isPresent()) {
|
947 | printer.print(";");
|
948 | } else {
|
949 | printer.print(" ");
|
950 | n.getBody().get().accept(this, arg); |
951 | } |
952 | } |
953 | |
954 | @Override |
955 | public void visit(final Parameter n, final Void arg) {
|
956 | printComment(n.getComment(), arg); |
957 | printAnnotations(n.getAnnotations(), false, arg); |
958 | printModifiers(n.getModifiers()); |
959 | n.getType().accept(this, arg); |
960 | if (n.isVarArgs()) {
|
961 | printAnnotations(n.getVarArgsAnnotations(), false, arg); |
962 | printer.print("...");
|
963 | } |
964 | if (!(n.getType() instanceof UnknownType)) {
|
965 | printer.print(" ");
|
966 | } |
967 | n.getName().accept(this, arg); |
968 | } |
969 | |
970 | @Override |
971 | public void visit(final ReceiverParameter n, final Void arg) {
|
972 | printComment(n.getComment(), arg); |
973 | printAnnotations(n.getAnnotations(), false, arg); |
974 | n.getType().accept(this, arg); |
975 | printer.print(" ");
|
976 | n.getName().accept(this, arg); |
977 | } |
978 | |
979 | @Override |
980 | public void visit(final ExplicitConstructorInvocationStmt n, final Void arg) {
|
981 | printComment(n.getComment(), arg); |
982 | if (n.isThis()) {
|
983 | printTypeArgs(n, arg); |
984 | printer.print("this");
|
985 | } else {
|
986 | if (n.getExpression().isPresent()) {
|
987 | n.getExpression().get().accept(this, arg); |
988 | printer.print(".");
|
989 | } |
990 | printTypeArgs(n, arg); |
991 | printer.print("super");
|
992 | } |
993 | printArguments(n.getArguments(), arg); |
994 | printer.print(";");
|
995 | } |
996 | |
997 | @Override |
998 | public void visit(final VariableDeclarationExpr n, final Void arg) {
|
999 | printComment(n.getComment(), arg); |
1000 | if (n.getParentNode().map(ExpressionStmt.class::isInstance).orElse(false)) {
|
1001 | printMemberAnnotations(n.getAnnotations(), arg); |
1002 | } else {
|
1003 | printAnnotations(n.getAnnotations(), false, arg); |
1004 | } |
1005 | printModifiers(n.getModifiers()); |
1006 | |
1007 | if (!n.getVariables().isEmpty()) {
|
1008 | n.getMaximumCommonType().ifPresent(t -> t.accept(this, arg)); |
1009 | } |
1010 | printer.print(" ");
|
1011 | |
1012 | for (final Iterator<VariableDeclarator> i = n.getVariables().iterator(); i.hasNext(); ) {
|
1013 | final VariableDeclarator v = i.next(); |
1014 | v.accept(this, arg); |
1015 | if (i.hasNext()) {
|
1016 | printer.print(", ");
|
1017 | } |
1018 | } |
1019 | } |
1020 | |
1021 | @Override |
1022 | public void visit(final LocalClassDeclarationStmt n, final Void arg) {
|
1023 | printComment(n.getComment(), arg); |
1024 | n.getClassDeclaration().accept(this, arg); |
1025 | } |
1026 | |
1027 | @Override |
1028 | public void visit(final AssertStmt n, final Void arg) {
|
1029 | printComment(n.getComment(), arg); |
1030 | printer.print("assert ");
|
1031 | n.getCheck().accept(this, arg); |
1032 | if (n.getMessage().isPresent()) {
|
1033 | printer.print(" : ");
|
1034 | n.getMessage().get().accept(this, arg); |
1035 | } |
1036 | printer.print(";");
|
1037 | } |
1038 | |
1039 | @Override |
1040 | public void visit(final BlockStmt n, final Void arg) {
|
1041 | printOrphanCommentsBeforeThisChildNode(n); |
1042 | printComment(n.getComment(), arg); |
1043 | printer.println("{");
|
1044 | if (n.getStatements() != null) {
|
1045 | printer.indent(); |
1046 | for (final Statement s : n.getStatements()) {
|
1047 | s.accept(this, arg); |
1048 | printer.println(); |
1049 | } |
1050 | printer.unindent(); |
1051 | } |
1052 | printOrphanCommentsEnding(n); |
1053 | printer.print("}");
|
1054 | } |
1055 | |
1056 | @Override |
1057 | public void visit(final LabeledStmt n, final Void arg) {
|
1058 | printComment(n.getComment(), arg); |
1059 | n.getLabel().accept(this, arg); |
1060 | printer.print(": ");
|
1061 | n.getStatement().accept(this, arg); |
1062 | } |
1063 | |
1064 | @Override |
1065 | public void visit(final EmptyStmt n, final Void arg) {
|
1066 | printComment(n.getComment(), arg); |
1067 | printer.print(";");
|
1068 | } |
1069 | |
1070 | @Override |
1071 | public void visit(final ExpressionStmt n, final Void arg) {
|
1072 | printOrphanCommentsBeforeThisChildNode(n); |
1073 | printComment(n.getComment(), arg); |
1074 | n.getExpression().accept(this, arg); |
1075 | printer.print(";");
|
1076 | } |
1077 | |
1078 | @Override |
1079 | public void visit(final SwitchStmt n, final Void arg) {
|
1080 | printSwitchNode(n, arg); |
1081 | } |
1082 | |
1083 | @Override |
1084 | public void visit(SwitchExpr n, Void arg) {
|
1085 | printSwitchNode(n, arg); |
1086 | } |
1087 | |
1088 | private void printSwitchNode(SwitchNode n, Void arg) {
|
1089 | printComment(n.getComment(), arg); |
1090 | printer.print("switch(");
|
1091 | n.getSelector().accept(this, arg); |
1092 | printer.println(") {");
|
1093 | if (n.getEntries() != null) {
|
1094 | printer.indent(); |
1095 | for (final SwitchEntryStmt e : n.getEntries()) {
|
1096 | e.accept(this, arg); |
1097 | } |
1098 | printer.unindent(); |
1099 | } |
1100 | printer.print("}");
|
1101 | } |
1102 | |
1103 | @Override |
1104 | public void visit(final SwitchEntryStmt n, final Void arg) {
|
1105 | printComment(n.getComment(), arg); |
1106 | if (n.getLabel().isPresent()) {
|
1107 | printer.print("case ");
|
1108 | n.getLabel().get().accept(this, arg); |
1109 | printer.print(":");
|
1110 | } else {
|
1111 | printer.print("default:");
|
1112 | } |
1113 | printer.println(); |
1114 | printer.indent(); |
1115 | if (n.getStatements() != null) {
|
1116 | for (final Statement s : n.getStatements()) {
|
1117 | s.accept(this, arg); |
1118 | printer.println(); |
1119 | } |
1120 | } |
1121 | printer.unindent(); |
1122 | } |
1123 | |
1124 | @Override |
1125 | public void visit(final BreakStmt n, final Void arg) {
|
1126 | printComment(n.getComment(), arg); |
1127 | printer.print("break");
|
1128 | n.getLabel().ifPresent(l -> printer.print(" ").print(l.getIdentifier()));
|
1129 | printer.print(";");
|
1130 | } |
1131 | |
1132 | @Override |
1133 | public void visit(final ReturnStmt n, final Void arg) {
|
1134 | printComment(n.getComment(), arg); |
1135 | printer.print("return");
|
1136 | if (n.getExpression().isPresent()) {
|
1137 | printer.print(" ");
|
1138 | n.getExpression().get().accept(this, arg); |
1139 | } |
1140 | printer.print(";");
|
1141 | } |
1142 | |
1143 | @Override |
1144 | public void visit(final EnumDeclaration n, final Void arg) {
|
1145 | printComment(n.getComment(), arg); |
1146 | printMemberAnnotations(n.getAnnotations(), arg); |
1147 | printModifiers(n.getModifiers()); |
1148 | |
1149 | printer.print("enum ");
|
1150 | n.getName().accept(this, arg); |
1151 | |
1152 | if (!n.getImplementedTypes().isEmpty()) {
|
1153 | printer.print(" implements ");
|
1154 | for (final Iterator<ClassOrInterfaceType> i = n.getImplementedTypes().iterator(); i.hasNext(); ) {
|
1155 | final ClassOrInterfaceType c = i.next(); |
1156 | c.accept(this, arg); |
1157 | if (i.hasNext()) {
|
1158 | printer.print(", ");
|
1159 | } |
1160 | } |
1161 | } |
1162 | |
1163 | printer.println(" {");
|
1164 | printer.indent(); |
1165 | if (n.getEntries().isNonEmpty()) {
|
1166 | final boolean alignVertically = |
1167 | // Either we hit the constant amount limit in the configurations, or... |
1168 | n.getEntries().size() > configuration.getMaxEnumConstantsToAlignHorizontally() || |
1169 | // any of the constants has a comment. |
1170 | n.getEntries().stream().anyMatch(e -> e.getComment().isPresent()); |
1171 | printer.println(); |
1172 | for (final Iterator<EnumConstantDeclaration> i = n.getEntries().iterator(); i.hasNext(); ) {
|
1173 | final EnumConstantDeclaration e = i.next(); |
1174 | e.accept(this, arg); |
1175 | if (i.hasNext()) {
|
1176 | if (alignVertically) {
|
1177 | printer.println(",");
|
1178 | } else {
|
1179 | printer.print(", ");
|
1180 | } |
1181 | } |
1182 | } |
1183 | } |
1184 | if (!n.getMembers().isEmpty()) {
|
1185 | printer.println(";");
|
1186 | printMembers(n.getMembers(), arg); |
1187 | } else {
|
1188 | if (!n.getEntries().isEmpty()) {
|
1189 | printer.println(); |
1190 | } |
1191 | } |
1192 | printer.unindent(); |
1193 | printer.print("}");
|
1194 | } |
1195 | |
1196 | @Override |
1197 | public void visit(final EnumConstantDeclaration n, final Void arg) {
|
1198 | printComment(n.getComment(), arg); |
1199 | printMemberAnnotations(n.getAnnotations(), arg); |
1200 | n.getName().accept(this, arg); |
1201 | |
1202 | if (!n.getArguments().isEmpty()) {
|
1203 | printArguments(n.getArguments(), arg); |
1204 | } |
1205 | |
1206 | if (!n.getClassBody().isEmpty()) {
|
1207 | printer.println(" {");
|
1208 | printer.indent(); |
1209 | printMembers(n.getClassBody(), arg); |
1210 | printer.unindent(); |
1211 | printer.println("}");
|
1212 | } |
1213 | } |
1214 | |
1215 | @Override |
1216 | public void visit(final InitializerDeclaration n, final Void arg) {
|
1217 | printComment(n.getComment(), arg); |
1218 | if (n.isStatic()) {
|
1219 | printer.print("static ");
|
1220 | } |
1221 | n.getBody().accept(this, arg); |
1222 | } |
1223 | |
1224 | @Override |
1225 | public void visit(final IfStmt n, final Void arg) {
|
1226 | printComment(n.getComment(), arg); |
1227 | printer.print("if (");
|
1228 | n.getCondition().accept(this, arg); |
1229 | final boolean thenBlock = n.getThenStmt() instanceof BlockStmt; |
1230 | if (thenBlock) // block statement should start on the same line |
1231 | printer.print(") ");
|
1232 | else {
|
1233 | printer.println(")");
|
1234 | printer.indent(); |
1235 | } |
1236 | n.getThenStmt().accept(this, arg); |
1237 | if (!thenBlock) |
1238 | printer.unindent(); |
1239 | if (n.getElseStmt().isPresent()) {
|
1240 | if (thenBlock) |
1241 | printer.print(" ");
|
1242 | else |
1243 | printer.println(); |
1244 | final boolean elseIf = n.getElseStmt().orElse(null) instanceof IfStmt; |
1245 | final boolean elseBlock = n.getElseStmt().orElse(null) instanceof BlockStmt; |
1246 | if (elseIf || elseBlock) // put chained if and start of block statement on a same level |
1247 | printer.print("else ");
|
1248 | else {
|
1249 | printer.println("else");
|
1250 | printer.indent(); |
1251 | } |
1252 | if (n.getElseStmt().isPresent()) |
1253 | n.getElseStmt().get().accept(this, arg); |
1254 | if (!(elseIf || elseBlock)) |
1255 | printer.unindent(); |
1256 | } |
1257 | } |
1258 | |
1259 | @Override |
1260 | public void visit(final WhileStmt n, final Void arg) {
|
1261 | printComment(n.getComment(), arg); |
1262 | printer.print("while (");
|
1263 | n.getCondition().accept(this, arg); |
1264 | printer.print(") ");
|
1265 | n.getBody().accept(this, arg); |
1266 | } |
1267 | |
1268 | @Override |
1269 | public void visit(final ContinueStmt n, final Void arg) {
|
1270 | printComment(n.getComment(), arg); |
1271 | printer.print("continue");
|
1272 | n.getLabel().ifPresent(l -> printer.print(" ").print(l.getIdentifier()));
|
1273 | printer.print(";");
|
1274 | } |
1275 | |
1276 | @Override |
1277 | public void visit(final DoStmt n, final Void arg) {
|
1278 | printComment(n.getComment(), arg); |
1279 | printer.print("do ");
|
1280 | n.getBody().accept(this, arg); |
1281 | printer.print(" while (");
|
1282 | n.getCondition().accept(this, arg); |
1283 | printer.print(");");
|
1284 | } |
1285 | |
1286 | @Override |
1287 | public void visit(final ForEachStmt n, final Void arg) {
|
1288 | printComment(n.getComment(), arg); |
1289 | printer.print("for (");
|
1290 | n.getVariable().accept(this, arg); |
1291 | printer.print(" : ");
|
1292 | n.getIterable().accept(this, arg); |
1293 | printer.print(") ");
|
1294 | n.getBody().accept(this, arg); |
1295 | } |
1296 | |
1297 | @Override |
1298 | public void visit(final ForStmt n, final Void arg) {
|
1299 | printComment(n.getComment(), arg); |
1300 | printer.print("for (");
|
1301 | if (n.getInitialization() != null) {
|
1302 | for (final Iterator<Expression> i = n.getInitialization().iterator(); i.hasNext(); ) {
|
1303 | final Expression e = i.next(); |
1304 | e.accept(this, arg); |
1305 | if (i.hasNext()) {
|
1306 | printer.print(", ");
|
1307 | } |
1308 | } |
1309 | } |
1310 | printer.print("; ");
|
1311 | if (n.getCompare().isPresent()) {
|
1312 | n.getCompare().get().accept(this, arg); |
1313 | } |
1314 | printer.print("; ");
|
1315 | if (n.getUpdate() != null) {
|
1316 | for (final Iterator<Expression> i = n.getUpdate().iterator(); i.hasNext(); ) {
|
1317 | final Expression e = i.next(); |
1318 | e.accept(this, arg); |
1319 | if (i.hasNext()) {
|
1320 | printer.print(", ");
|
1321 | } |
1322 | } |
1323 | } |
1324 | printer.print(") ");
|
1325 | n.getBody().accept(this, arg); |
1326 | } |
1327 | |
1328 | @Override |
1329 | public void visit(final ThrowStmt n, final Void arg) {
|
1330 | printComment(n.getComment(), arg); |
1331 | printer.print("throw ");
|
1332 | n.getExpression().accept(this, arg); |
1333 | printer.print(";");
|
1334 | } |
1335 | |
1336 | @Override |
1337 | public void visit(final SynchronizedStmt n, final Void arg) {
|
1338 | printComment(n.getComment(), arg); |
1339 | printer.print("synchronized (");
|
1340 | n.getExpression().accept(this, arg); |
1341 | printer.print(") ");
|
1342 | n.getBody().accept(this, arg); |
1343 | } |
1344 | |
1345 | @Override |
1346 | public void visit(final TryStmt n, final Void arg) {
|
1347 | printComment(n.getComment(), arg); |
1348 | printer.print("try ");
|
1349 | if (!n.getResources().isEmpty()) {
|
1350 | printer.print("(");
|
1351 | Iterator<Expression> resources = n.getResources().iterator(); |
1352 | boolean first = true; |
1353 | while (resources.hasNext()) {
|
1354 | resources.next().accept(this, arg); |
1355 | if (resources.hasNext()) {
|
1356 | printer.print(";");
|
1357 | printer.println(); |
1358 | if (first) {
|
1359 | printer.indent(); |
1360 | } |
1361 | } |
1362 | first = false; |
1363 | } |
1364 | if (n.getResources().size() > 1) {
|
1365 | printer.unindent(); |
1366 | } |
1367 | printer.print(") ");
|
1368 | } |
1369 | n.getTryBlock().accept(this, arg); |
1370 | for (final CatchClause c : n.getCatchClauses()) {
|
1371 | c.accept(this, arg); |
1372 | } |
1373 | if (n.getFinallyBlock().isPresent()) {
|
1374 | printer.print(" finally ");
|
1375 | n.getFinallyBlock().get().accept(this, arg); |
1376 | } |
1377 | } |
1378 | |
1379 | @Override |
1380 | public void visit(final CatchClause n, final Void arg) {
|
1381 | printComment(n.getComment(), arg); |
1382 | printer.print(" catch (");
|
1383 | n.getParameter().accept(this, arg); |
1384 | printer.print(") ");
|
1385 | n.getBody().accept(this, arg); |
1386 | } |
1387 | |
1388 | @Override |
1389 | public void visit(final AnnotationDeclaration n, final Void arg) {
|
1390 | printComment(n.getComment(), arg); |
1391 | printMemberAnnotations(n.getAnnotations(), arg); |
1392 | printModifiers(n.getModifiers()); |
1393 | |
1394 | printer.print("@interface ");
|
1395 | n.getName().accept(this, arg); |
1396 | printer.println(" {");
|
1397 | printer.indent(); |
1398 | if (n.getMembers() != null) {
|
1399 | printMembers(n.getMembers(), arg); |
1400 | } |
1401 | printer.unindent(); |
1402 | printer.print("}");
|
1403 | } |
1404 | |
1405 | @Override |
1406 | public void visit(final AnnotationMemberDeclaration n, final Void arg) {
|
1407 | printComment(n.getComment(), arg); |
1408 | printMemberAnnotations(n.getAnnotations(), arg); |
1409 | printModifiers(n.getModifiers()); |
1410 | |
1411 | n.getType().accept(this, arg); |
1412 | printer.print(" ");
|
1413 | n.getName().accept(this, arg); |
1414 | printer.print("()");
|
1415 | if (n.getDefaultValue().isPresent()) {
|
1416 | printer.print(" default ");
|
1417 | n.getDefaultValue().get().accept(this, arg); |
1418 | } |
1419 | printer.print(";");
|
1420 | } |
1421 | |
1422 | @Override |
1423 | public void visit(final MarkerAnnotationExpr n, final Void arg) {
|
1424 | printComment(n.getComment(), arg); |
1425 | printer.print("@");
|
1426 | n.getName().accept(this, arg); |
1427 | } |
1428 | |
1429 | @Override |
1430 | public void visit(final SingleMemberAnnotationExpr n, final Void arg) {
|
1431 | printComment(n.getComment(), arg); |
1432 | printer.print("@");
|
1433 | n.getName().accept(this, arg); |
1434 | printer.print("(");
|
1435 | n.getMemberValue().accept(this, arg); |
1436 | printer.print(")");
|
1437 | } |
1438 | |
1439 | @Override |
1440 | public void visit(final NormalAnnotationExpr n, final Void arg) {
|
1441 | printComment(n.getComment(), arg); |
1442 | printer.print("@");
|
1443 | n.getName().accept(this, arg); |
1444 | printer.print("(");
|
1445 | if (n.getPairs() != null) {
|
1446 | for (final Iterator<MemberValuePair> i = n.getPairs().iterator(); i.hasNext(); ) {
|
1447 | final MemberValuePair m = i.next(); |
1448 | m.accept(this, arg); |
1449 | if (i.hasNext()) {
|
1450 | printer.print(", ");
|
1451 | } |
1452 | } |
1453 | } |
1454 | printer.print(")");
|
1455 | } |
1456 | |
1457 | @Override |
1458 | public void visit(final MemberValuePair n, final Void arg) {
|
1459 | printComment(n.getComment(), arg); |
1460 | n.getName().accept(this, arg); |
1461 | printer.print(" = ");
|
1462 | n.getValue().accept(this, arg); |
1463 | } |
1464 | |
1465 | @Override |
1466 | public void visit(final LineComment n, final Void arg) {
|
1467 | if (configuration.isIgnoreComments()) {
|
1468 | return; |
1469 | } |
1470 | printer |
1471 | .print("// ")
|
1472 | .println(normalizeEolInTextBlock(n.getContent(), "").trim()); |
1473 | } |
1474 | |
1475 | @Override |
1476 | public void visit(final BlockComment n, final Void arg) {
|
1477 | if (configuration.isIgnoreComments()) {
|
1478 | return; |
1479 | } |
1480 | final String commentContent = normalizeEolInTextBlock(n.getContent(), configuration.getEndOfLineCharacter()); |
1481 | String[] lines = commentContent.split("\\R", -1); // as BlockComment should not be formatted, -1 to preserve any trailing empty line if present
|
1482 | printer.print("/*");
|
1483 | for (int i = 0; i < (lines.length - 1); i++) {
|
1484 | printer.print(lines[i]); |
1485 | printer.print(configuration.getEndOfLineCharacter()); // Avoids introducing indentation in blockcomments. ie: do not use println() as it would trigger indentation at the next print call. |
1486 | } |
1487 | printer.print(lines[lines.length - 1]); // last line is not followed by a newline, and simply terminated with `*/` |
1488 | printer.println("*/");
|
1489 | } |
1490 | |
1491 | @Override |
1492 | public void visit(LambdaExpr n, Void arg) {
|
1493 | printComment(n.getComment(), arg); |
1494 | |
1495 | final NodeList<Parameter> parameters = n.getParameters(); |
1496 | final boolean printPar = n.isEnclosingParameters(); |
1497 | |
1498 | if (printPar) {
|
1499 | printer.print("(");
|
1500 | } |
1501 | for (Iterator<Parameter> i = parameters.iterator(); i.hasNext(); ) {
|
1502 | Parameter p = i.next(); |
1503 | p.accept(this, arg); |
1504 | if (i.hasNext()) {
|
1505 | printer.print(", ");
|
1506 | } |
1507 | } |
1508 | if (printPar) {
|
1509 | printer.print(")");
|
1510 | } |
1511 | |
1512 | printer.print(" -> ");
|
1513 | final Statement body = n.getBody(); |
1514 | if (body instanceof ExpressionStmt) {
|
1515 | // Print the expression directly |
1516 | ((ExpressionStmt) body).getExpression().accept(this, arg); |
1517 | } else {
|
1518 | body.accept(this, arg); |
1519 | } |
1520 | } |
1521 | |
1522 | @Override |
1523 | public void visit(MethodReferenceExpr n, Void arg) {
|
1524 | printComment(n.getComment(), arg); |
1525 | Expression scope = n.getScope(); |
1526 | String identifier = n.getIdentifier(); |
1527 | if (scope != null) {
|
1528 | n.getScope().accept(this, arg); |
1529 | } |
1530 | |
1531 | printer.print("::");
|
1532 | printTypeArgs(n, arg); |
1533 | if (identifier != null) {
|
1534 | printer.print(identifier); |
1535 | } |
1536 | } |
1537 | |
1538 | @Override |
1539 | public void visit(TypeExpr n, Void arg) {
|
1540 | printComment(n.getComment(), arg); |
1541 | if (n.getType() != null) {
|
1542 | n.getType().accept(this, arg); |
1543 | } |
1544 | } |
1545 | |
1546 | @Override |
1547 | public void visit(NodeList n, Void arg) {
|
1548 | if (configuration.isOrderImports() && n.size() > 0 && n.get(0) instanceof ImportDeclaration) {
|
1549 | //noinspection unchecked |
1550 | NodeList<ImportDeclaration> modifiableList = new NodeList<>(n); |
1551 | modifiableList.sort( |
1552 | comparingInt((ImportDeclaration i) -> i.isStatic() ? 0 : 1) |
1553 | .thenComparing(NodeWithName::getNameAsString)); |
1554 | for (Object node : modifiableList) {
|
1555 | ((Node) node).accept(this, arg); |
1556 | } |
1557 | } else {
|
1558 | for (Object node : n) {
|
1559 | ((Node) node).accept(this, arg); |
1560 | } |
1561 | } |
1562 | } |
1563 | |
1564 | @Override |
1565 | public void visit(final ImportDeclaration n, final Void arg) {
|
1566 | printComment(n.getComment(), arg); |
1567 | printer.print("import ");
|
1568 | if (n.isStatic()) {
|
1569 | printer.print("static ");
|
1570 | } |
1571 | n.getName().accept(this, arg); |
1572 | if (n.isAsterisk()) {
|
1573 | printer.print(".*");
|
1574 | } |
1575 | printer.println(";");
|
1576 | |
1577 | printOrphanCommentsEnding(n); |
1578 | } |
1579 | |
1580 | |
1581 | @Override |
1582 | public void visit(ModuleDeclaration n, Void arg) {
|
1583 | printMemberAnnotations(n.getAnnotations(), arg); |
1584 | if (n.isOpen()) {
|
1585 | printer.print("open ");
|
1586 | } |
1587 | printer.print("module ");
|
1588 | n.getName().accept(this, arg); |
1589 | printer.println(" {").indent();
|
1590 | n.getDirectives().accept(this, arg); |
1591 | printer.unindent().println("}");
|
1592 | } |
1593 | |
1594 | @Override |
1595 | public void visit(ModuleRequiresDirective n, Void arg) {
|
1596 | printer.print("requires ");
|
1597 | printModifiers(n.getModifiers()); |
1598 | n.getName().accept(this, arg); |
1599 | printer.println(";");
|
1600 | } |
1601 | |
1602 | @Override |
1603 | public void visit(ModuleExportsDirective n, Void arg) {
|
1604 | printer.print("exports ");
|
1605 | n.getName().accept(this, arg); |
1606 | printPrePostFixOptionalList(n.getModuleNames(), arg, " to ", ", ", ""); |
1607 | printer.println(";");
|
1608 | } |
1609 | |
1610 | @Override |
1611 | public void visit(ModuleProvidesDirective n, Void arg) {
|
1612 | printer.print("provides ");
|
1613 | n.getName().accept(this, arg); |
1614 | printPrePostFixRequiredList(n.getWith(), arg, " with ", ", ", ""); |
1615 | printer.println(";");
|
1616 | } |
1617 | |
1618 | @Override |
1619 | public void visit(ModuleUsesDirective n, Void arg) {
|
1620 | printer.print("uses ");
|
1621 | n.getName().accept(this, arg); |
1622 | printer.println(";");
|
1623 | } |
1624 | |
1625 | @Override |
1626 | public void visit(ModuleOpensDirective n, Void arg) {
|
1627 | printer.print("opens ");
|
1628 | n.getName().accept(this, arg); |
1629 | printPrePostFixOptionalList(n.getModuleNames(), arg, " to ", ", ", ""); |
1630 | printer.println(";");
|
1631 | } |
1632 | |
1633 | @Override |
1634 | public void visit(UnparsableStmt n, Void arg) {
|
1635 | printer.print("???;");
|
1636 | } |
1637 | |
1638 | private void printOrphanCommentsBeforeThisChildNode(final Node node) {
|
1639 | if (configuration.isIgnoreComments()) return; |
1640 | if (node instanceof Comment) return; |
1641 | |
1642 | Node parent = node.getParentNode().orElse(null); |
1643 | if (parent == null) return; |
1644 | List<Node> everything = new LinkedList<>(); |
1645 | everything.addAll(parent.getChildNodes()); |
1646 | sortByBeginPosition(everything); |
1647 | int positionOfTheChild = -1; |
1648 | for (int i = 0; i < everything.size(); i++) {
|
1649 | if (everything.get(i) == node) positionOfTheChild = i; |
1650 | } |
1651 | if (positionOfTheChild == -1) {
|
1652 | throw new AssertionError("I am not a child of my parent.");
|
1653 | } |
1654 | int positionOfPreviousChild = -1; |
1655 | for (int i = positionOfTheChild - 1; i >= 0 && positionOfPreviousChild == -1; i--) {
|
1656 | if (!(everything.get(i) instanceof Comment)) positionOfPreviousChild = i; |
1657 | } |
1658 | for (int i = positionOfPreviousChild + 1; i < positionOfTheChild; i++) {
|
1659 | Node nodeToPrint = everything.get(i); |
1660 | if (!(nodeToPrint instanceof Comment)) |
1661 | throw new RuntimeException( |
1662 | "Expected comment, instead " + nodeToPrint.getClass() + ". Position of previous child: " |
1663 | + positionOfPreviousChild + ", position of child " + positionOfTheChild); |
1664 | nodeToPrint.accept(this, null); |
1665 | } |
1666 | } |
1667 | |
1668 | private void printOrphanCommentsEnding(final Node node) {
|
1669 | if (configuration.isIgnoreComments()) return; |
1670 | |
1671 | List<Node> everything = new LinkedList<>(); |
1672 | everything.addAll(node.getChildNodes()); |
1673 | sortByBeginPosition(everything); |
1674 | if (everything.isEmpty()) {
|
1675 | return; |
1676 | } |
1677 | |
1678 | int commentsAtEnd = 0; |
1679 | boolean findingComments = true; |
1680 | while (findingComments && commentsAtEnd < everything.size()) {
|
1681 | Node last = everything.get(everything.size() - 1 - commentsAtEnd); |
1682 | findingComments = (last instanceof Comment); |
1683 | if (findingComments) {
|
1684 | commentsAtEnd++; |
1685 | } |
1686 | } |
1687 | for (int i = 0; i < commentsAtEnd; i++) {
|
1688 | everything.get(everything.size() - commentsAtEnd + i).accept(this, null); |
1689 | } |
1690 | } |
1691 | |
1692 | } |
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| Snippet ID: | #1020877 |
| Snippet name: | PrettyPrintVisitor2 (adapted from JavaParser) |
| Eternal ID of this version: | #1020877/5 |
| Text MD5: | e5b169b790774bb972fdf53d7759666f |
| Author: | stefan |
| Category: | javax / pretty printing |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2019-01-07 15:10:37 |
| Source code size: | 59387 bytes / 1692 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 257 / 430 |
| Version history: | 4 change(s) |
| Referenced in: | [show references] |