| 1 | /* |
|---|---|
| 2 | * Copyright (C) 2007-2010 Júlio Vilmar Gesser. |
| 3 | * Copyright (C) 2011, 2013-2020 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 | package com.github.javaparser.printer; |
| 23 | |
| 24 | import static com.github.javaparser.ast.Node.Parsedness.UNPARSABLE; |
| 25 | import static com.github.javaparser.utils.PositionUtils.sortByBeginPosition; |
| 26 | import static com.github.javaparser.utils.Utils.isNullOrEmpty; |
| 27 | import static com.github.javaparser.utils.Utils.normalizeEolInTextBlock; |
| 28 | import static com.github.javaparser.utils.Utils.trimTrailingSpaces; |
| 29 | import static java.util.Comparator.comparingInt; |
| 30 | import static java.util.stream.Collectors.joining; |
| 31 | |
| 32 | import java.util.ArrayList; |
| 33 | import java.util.Iterator; |
| 34 | import java.util.LinkedList; |
| 35 | import java.util.List; |
| 36 | import java.util.Optional; |
| 37 | import java.util.concurrent.atomic.AtomicBoolean; |
| 38 | import java.util.stream.Collectors; |
| 39 | |
| 40 | import com.github.javaparser.ast.ArrayCreationLevel; |
| 41 | import com.github.javaparser.ast.CompilationUnit; |
| 42 | import com.github.javaparser.ast.ImportDeclaration; |
| 43 | import com.github.javaparser.ast.Modifier; |
| 44 | import com.github.javaparser.ast.Node; |
| 45 | import com.github.javaparser.ast.NodeList; |
| 46 | import com.github.javaparser.ast.PackageDeclaration; |
| 47 | import com.github.javaparser.ast.body.AnnotationDeclaration; |
| 48 | import com.github.javaparser.ast.body.AnnotationMemberDeclaration; |
| 49 | import com.github.javaparser.ast.body.BodyDeclaration; |
| 50 | import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration; |
| 51 | import com.github.javaparser.ast.body.ConstructorDeclaration; |
| 52 | import com.github.javaparser.ast.body.EnumConstantDeclaration; |
| 53 | import com.github.javaparser.ast.body.EnumDeclaration; |
| 54 | import com.github.javaparser.ast.body.FieldDeclaration; |
| 55 | import com.github.javaparser.ast.body.InitializerDeclaration; |
| 56 | import com.github.javaparser.ast.body.MethodDeclaration; |
| 57 | import com.github.javaparser.ast.body.Parameter; |
| 58 | import com.github.javaparser.ast.body.ReceiverParameter; |
| 59 | import com.github.javaparser.ast.body.TypeDeclaration; |
| 60 | import com.github.javaparser.ast.body.VariableDeclarator; |
| 61 | import com.github.javaparser.ast.comments.BlockComment; |
| 62 | import com.github.javaparser.ast.comments.Comment; |
| 63 | import com.github.javaparser.ast.comments.JavadocComment; |
| 64 | import com.github.javaparser.ast.comments.LineComment; |
| 65 | import com.github.javaparser.ast.expr.AnnotationExpr; |
| 66 | import com.github.javaparser.ast.expr.ArrayAccessExpr; |
| 67 | import com.github.javaparser.ast.expr.ArrayCreationExpr; |
| 68 | import com.github.javaparser.ast.expr.ArrayInitializerExpr; |
| 69 | import com.github.javaparser.ast.expr.AssignExpr; |
| 70 | import com.github.javaparser.ast.expr.BinaryExpr; |
| 71 | import com.github.javaparser.ast.expr.BooleanLiteralExpr; |
| 72 | import com.github.javaparser.ast.expr.CastExpr; |
| 73 | import com.github.javaparser.ast.expr.CharLiteralExpr; |
| 74 | import com.github.javaparser.ast.expr.ClassExpr; |
| 75 | import com.github.javaparser.ast.expr.ConditionalExpr; |
| 76 | import com.github.javaparser.ast.expr.DoubleLiteralExpr; |
| 77 | import com.github.javaparser.ast.expr.EnclosedExpr; |
| 78 | import com.github.javaparser.ast.expr.Expression; |
| 79 | import com.github.javaparser.ast.expr.FieldAccessExpr; |
| 80 | import com.github.javaparser.ast.expr.InstanceOfExpr; |
| 81 | import com.github.javaparser.ast.expr.IntegerLiteralExpr; |
| 82 | import com.github.javaparser.ast.expr.LambdaExpr; |
| 83 | import com.github.javaparser.ast.expr.LongLiteralExpr; |
| 84 | import com.github.javaparser.ast.expr.MarkerAnnotationExpr; |
| 85 | import com.github.javaparser.ast.expr.MemberValuePair; |
| 86 | import com.github.javaparser.ast.expr.MethodCallExpr; |
| 87 | import com.github.javaparser.ast.expr.MethodReferenceExpr; |
| 88 | import com.github.javaparser.ast.expr.Name; |
| 89 | import com.github.javaparser.ast.expr.NameExpr; |
| 90 | import com.github.javaparser.ast.expr.NormalAnnotationExpr; |
| 91 | import com.github.javaparser.ast.expr.NullLiteralExpr; |
| 92 | import com.github.javaparser.ast.expr.ObjectCreationExpr; |
| 93 | import com.github.javaparser.ast.expr.SimpleName; |
| 94 | import com.github.javaparser.ast.expr.SingleMemberAnnotationExpr; |
| 95 | import com.github.javaparser.ast.expr.StringLiteralExpr; |
| 96 | import com.github.javaparser.ast.expr.SuperExpr; |
| 97 | import com.github.javaparser.ast.expr.SwitchExpr; |
| 98 | import com.github.javaparser.ast.expr.TextBlockLiteralExpr; |
| 99 | import com.github.javaparser.ast.expr.ThisExpr; |
| 100 | import com.github.javaparser.ast.expr.TypeExpr; |
| 101 | import com.github.javaparser.ast.expr.UnaryExpr; |
| 102 | import com.github.javaparser.ast.expr.VariableDeclarationExpr; |
| 103 | import com.github.javaparser.ast.modules.ModuleDeclaration; |
| 104 | import com.github.javaparser.ast.modules.ModuleExportsDirective; |
| 105 | import com.github.javaparser.ast.modules.ModuleOpensDirective; |
| 106 | import com.github.javaparser.ast.modules.ModuleProvidesDirective; |
| 107 | import com.github.javaparser.ast.modules.ModuleRequiresDirective; |
| 108 | import com.github.javaparser.ast.modules.ModuleUsesDirective; |
| 109 | import com.github.javaparser.ast.nodeTypes.NodeWithName; |
| 110 | import com.github.javaparser.ast.nodeTypes.NodeWithTraversableScope; |
| 111 | import com.github.javaparser.ast.nodeTypes.NodeWithTypeArguments; |
| 112 | import com.github.javaparser.ast.nodeTypes.NodeWithVariables; |
| 113 | import com.github.javaparser.ast.nodeTypes.SwitchNode; |
| 114 | import com.github.javaparser.ast.stmt.AssertStmt; |
| 115 | import com.github.javaparser.ast.stmt.BlockStmt; |
| 116 | import com.github.javaparser.ast.stmt.BreakStmt; |
| 117 | import com.github.javaparser.ast.stmt.CatchClause; |
| 118 | import com.github.javaparser.ast.stmt.ContinueStmt; |
| 119 | import com.github.javaparser.ast.stmt.DoStmt; |
| 120 | import com.github.javaparser.ast.stmt.EmptyStmt; |
| 121 | import com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt; |
| 122 | import com.github.javaparser.ast.stmt.ExpressionStmt; |
| 123 | import com.github.javaparser.ast.stmt.ForEachStmt; |
| 124 | import com.github.javaparser.ast.stmt.ForStmt; |
| 125 | import com.github.javaparser.ast.stmt.IfStmt; |
| 126 | import com.github.javaparser.ast.stmt.LabeledStmt; |
| 127 | import com.github.javaparser.ast.stmt.LocalClassDeclarationStmt; |
| 128 | import com.github.javaparser.ast.stmt.ReturnStmt; |
| 129 | import com.github.javaparser.ast.stmt.Statement; |
| 130 | import com.github.javaparser.ast.stmt.SwitchEntry; |
| 131 | import com.github.javaparser.ast.stmt.SwitchStmt; |
| 132 | import com.github.javaparser.ast.stmt.SynchronizedStmt; |
| 133 | import com.github.javaparser.ast.stmt.ThrowStmt; |
| 134 | import com.github.javaparser.ast.stmt.TryStmt; |
| 135 | import com.github.javaparser.ast.stmt.UnparsableStmt; |
| 136 | import com.github.javaparser.ast.stmt.WhileStmt; |
| 137 | import com.github.javaparser.ast.stmt.YieldStmt; |
| 138 | import com.github.javaparser.ast.type.ArrayType; |
| 139 | import com.github.javaparser.ast.type.ClassOrInterfaceType; |
| 140 | import com.github.javaparser.ast.type.IntersectionType; |
| 141 | import com.github.javaparser.ast.type.PrimitiveType; |
| 142 | import com.github.javaparser.ast.type.ReferenceType; |
| 143 | import com.github.javaparser.ast.type.Type; |
| 144 | import com.github.javaparser.ast.type.TypeParameter; |
| 145 | import com.github.javaparser.ast.type.UnionType; |
| 146 | import com.github.javaparser.ast.type.UnknownType; |
| 147 | import com.github.javaparser.ast.type.VarType; |
| 148 | import com.github.javaparser.ast.type.VoidType; |
| 149 | import com.github.javaparser.ast.type.WildcardType; |
| 150 | import com.github.javaparser.ast.visitor.Visitable; |
| 151 | import com.github.javaparser.ast.visitor.VoidVisitor; |
| 152 | |
| 153 | /** |
| 154 | * Outputs the AST as formatted Java source code. |
| 155 | * |
| 156 | * @author Julio Vilmar Gesser |
| 157 | */ |
| 158 | public class PrettyPrintVisitor implements VoidVisitor<Void> { |
| 159 | protected final PrettyPrinterConfiguration configuration; |
| 160 | protected final SourcePrinter printer; |
| 161 | |
| 162 | public PrettyPrintVisitor(PrettyPrinterConfiguration prettyPrinterConfiguration) { |
| 163 | configuration = prettyPrinterConfiguration; |
| 164 | printer = new SourcePrinter(configuration); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * @deprecated use toString() |
| 169 | */ |
| 170 | @Deprecated |
| 171 | public String getSource() { |
| 172 | return printer.toString(); |
| 173 | } |
| 174 | |
| 175 | @Override |
| 176 | public String toString() { |
| 177 | return printer.toString(); |
| 178 | } |
| 179 | |
| 180 | protected void printModifiers(final NodeList<Modifier> modifiers) { |
| 181 | if (modifiers.size() > 0) { |
| 182 | printer.print(modifiers.stream().map(Modifier::getKeyword).map(Modifier.Keyword::asString).collect(joining(" ")) + " "); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | protected void printMembers(final NodeList<BodyDeclaration<?>> members, final Void arg) { |
| 187 | for (final BodyDeclaration<?> member : members) { |
| 188 | printer.println(); |
| 189 | member.accept(this, arg); |
| 190 | printer.println(); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | protected void printMemberAnnotations(final NodeList<AnnotationExpr> annotations, final Void arg) { |
| 195 | if (annotations.isEmpty()) { |
| 196 | return; |
| 197 | } |
| 198 | for (final AnnotationExpr a : annotations) { |
| 199 | a.accept(this, arg); |
| 200 | printer.println(); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | protected void printAnnotations(final NodeList<AnnotationExpr> annotations, boolean prefixWithASpace, |
| 205 | final Void arg) { |
| 206 | if (annotations.isEmpty()) { |
| 207 | return; |
| 208 | } |
| 209 | if (prefixWithASpace) { |
| 210 | printer.print(" "); |
| 211 | } |
| 212 | for (AnnotationExpr annotation : annotations) { |
| 213 | annotation.accept(this, arg); |
| 214 | printer.print(" "); |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | protected void printTypeArgs(final NodeWithTypeArguments<?> nodeWithTypeArguments, final Void arg) { |
| 219 | NodeList<Type> typeArguments = nodeWithTypeArguments.getTypeArguments().orElse(null); |
| 220 | if (!isNullOrEmpty(typeArguments)) { |
| 221 | printer.print("<"); |
| 222 | for (final Iterator<Type> i = typeArguments.iterator(); i.hasNext(); ) { |
| 223 | final Type t = i.next(); |
| 224 | t.accept(this, arg); |
| 225 | if (i.hasNext()) { |
| 226 | printer.print(", "); |
| 227 | } |
| 228 | } |
| 229 | printer.print(">"); |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | protected void printTypeParameters(final NodeList<TypeParameter> args, final Void arg) { |
| 234 | if (!isNullOrEmpty(args)) { |
| 235 | printer.print("<"); |
| 236 | for (final Iterator<TypeParameter> i = args.iterator(); i.hasNext(); ) { |
| 237 | final TypeParameter t = i.next(); |
| 238 | t.accept(this, arg); |
| 239 | if (i.hasNext()) { |
| 240 | printer.print(", "); |
| 241 | } |
| 242 | } |
| 243 | printer.print(">"); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | protected void printArguments(final NodeList<Expression> args, final Void arg) { |
| 248 | printer.print("("); |
| 249 | if (!isNullOrEmpty(args)) { |
| 250 | boolean columnAlignParameters = (args.size() > 1) && configuration.isColumnAlignParameters(); |
| 251 | if (columnAlignParameters) { |
| 252 | printer.indentWithAlignTo(printer.getCursor().column); |
| 253 | } |
| 254 | for (final Iterator<Expression> i = args.iterator(); i.hasNext(); ) { |
| 255 | final Expression e = i.next(); |
| 256 | e.accept(this, arg); |
| 257 | if (i.hasNext()) { |
| 258 | printer.print(","); |
| 259 | if (columnAlignParameters) { |
| 260 | printer.println(); |
| 261 | } else { |
| 262 | printer.print(" "); |
| 263 | } |
| 264 | } |
| 265 | } |
| 266 | if (columnAlignParameters) { |
| 267 | printer.unindent(); |
| 268 | } |
| 269 | } |
| 270 | printer.print(")"); |
| 271 | } |
| 272 | |
| 273 | protected void printPrePostFixOptionalList(final NodeList<? extends Visitable> args, final Void arg, String prefix, String separator, String postfix) { |
| 274 | if (!args.isEmpty()) { |
| 275 | printer.print(prefix); |
| 276 | for (final Iterator<? extends Visitable> i = args.iterator(); i.hasNext(); ) { |
| 277 | final Visitable v = i.next(); |
| 278 | v.accept(this, arg); |
| 279 | if (i.hasNext()) { |
| 280 | printer.print(separator); |
| 281 | } |
| 282 | } |
| 283 | printer.print(postfix); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | protected void printPrePostFixRequiredList(final NodeList<? extends Visitable> args, final Void arg, String prefix, String separator, String postfix) { |
| 288 | printer.print(prefix); |
| 289 | if (!args.isEmpty()) { |
| 290 | for (final Iterator<? extends Visitable> i = args.iterator(); i.hasNext(); ) { |
| 291 | final Visitable v = i.next(); |
| 292 | v.accept(this, arg); |
| 293 | if (i.hasNext()) { |
| 294 | printer.print(separator); |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 | printer.print(postfix); |
| 299 | } |
| 300 | |
| 301 | protected void printComment(final Optional<Comment> comment, final Void arg) { |
| 302 | comment.ifPresent(c -> c.accept(this, arg)); |
| 303 | } |
| 304 | |
| 305 | @Override |
| 306 | public void visit(final CompilationUnit n, final Void arg) { |
| 307 | printOrphanCommentsBeforeThisChildNode(n); |
| 308 | printComment(n.getComment(), arg); |
| 309 | if (n.getParsed() == UNPARSABLE) { |
| 310 | printer.println("???"); |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | if (n.getPackageDeclaration().isPresent()) { |
| 315 | n.getPackageDeclaration().get().accept(this, arg); |
| 316 | } |
| 317 | |
| 318 | n.getImports().accept(this, arg); |
| 319 | if (!n.getImports().isEmpty()) { |
| 320 | printer.println(); |
| 321 | } |
| 322 | |
| 323 | for (final Iterator<TypeDeclaration<?>> i = n.getTypes().iterator(); i.hasNext(); ) { |
| 324 | i.next().accept(this, arg); |
| 325 | printer.println(); |
| 326 | if (i.hasNext()) { |
| 327 | printer.println(); |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | n.getModule().ifPresent(m -> m.accept(this, arg)); |
| 332 | |
| 333 | printOrphanCommentsEnding(n); |
| 334 | } |
| 335 | |
| 336 | @Override |
| 337 | public void visit(final PackageDeclaration n, final Void arg) { |
| 338 | printOrphanCommentsBeforeThisChildNode(n); |
| 339 | printComment(n.getComment(), arg); |
| 340 | printMemberAnnotations(n.getAnnotations(), arg); |
| 341 | printer.print("package "); |
| 342 | n.getName().accept(this, arg); |
| 343 | printer.println(";"); |
| 344 | printer.println(); |
| 345 | |
| 346 | printOrphanCommentsEnding(n); |
| 347 | } |
| 348 | |
| 349 | @Override |
| 350 | public void visit(final NameExpr n, final Void arg) { |
| 351 | printOrphanCommentsBeforeThisChildNode(n); |
| 352 | printComment(n.getComment(), arg); |
| 353 | n.getName().accept(this, arg); |
| 354 | |
| 355 | printOrphanCommentsEnding(n); |
| 356 | } |
| 357 | |
| 358 | @Override |
| 359 | public void visit(final Name n, final Void arg) { |
| 360 | printOrphanCommentsBeforeThisChildNode(n); |
| 361 | printComment(n.getComment(), arg); |
| 362 | if (n.getQualifier().isPresent()) { |
| 363 | n.getQualifier().get().accept(this, arg); |
| 364 | printer.print("."); |
| 365 | } |
| 366 | printer.print(n.getIdentifier()); |
| 367 | |
| 368 | printOrphanCommentsEnding(n); |
| 369 | } |
| 370 | |
| 371 | @Override |
| 372 | public void visit(SimpleName n, Void arg) { |
| 373 | printer.print(n.getIdentifier()); |
| 374 | } |
| 375 | |
| 376 | @Override |
| 377 | public void visit(final ClassOrInterfaceDeclaration n, final Void arg) { |
| 378 | printOrphanCommentsBeforeThisChildNode(n); |
| 379 | printComment(n.getComment(), arg); |
| 380 | printMemberAnnotations(n.getAnnotations(), arg); |
| 381 | printModifiers(n.getModifiers()); |
| 382 | |
| 383 | if (n.isInterface()) { |
| 384 | printer.print("interface "); |
| 385 | } else { |
| 386 | printer.print("class "); |
| 387 | } |
| 388 | |
| 389 | n.getName().accept(this, arg); |
| 390 | |
| 391 | printTypeParameters(n.getTypeParameters(), arg); |
| 392 | |
| 393 | if (!n.getExtendedTypes().isEmpty()) { |
| 394 | printer.print(" extends "); |
| 395 | for (final Iterator<ClassOrInterfaceType> i = n.getExtendedTypes().iterator(); i.hasNext(); ) { |
| 396 | final ClassOrInterfaceType c = i.next(); |
| 397 | c.accept(this, arg); |
| 398 | if (i.hasNext()) { |
| 399 | printer.print(", "); |
| 400 | } |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | if (!n.getImplementedTypes().isEmpty()) { |
| 405 | printer.print(" implements "); |
| 406 | for (final Iterator<ClassOrInterfaceType> i = n.getImplementedTypes().iterator(); i.hasNext(); ) { |
| 407 | final ClassOrInterfaceType c = i.next(); |
| 408 | c.accept(this, arg); |
| 409 | if (i.hasNext()) { |
| 410 | printer.print(", "); |
| 411 | } |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | printer.println(" {"); |
| 416 | printer.indent(); |
| 417 | if (!isNullOrEmpty(n.getMembers())) { |
| 418 | printMembers(n.getMembers(), arg); |
| 419 | } |
| 420 | |
| 421 | printOrphanCommentsEnding(n); |
| 422 | |
| 423 | printer.unindent(); |
| 424 | printer.print("}"); |
| 425 | } |
| 426 | |
| 427 | @Override |
| 428 | public void visit(final JavadocComment n, final Void arg) { |
| 429 | printOrphanCommentsBeforeThisChildNode(n); |
| 430 | if (configuration.isPrintComments() && configuration.isPrintJavadoc()) { |
| 431 | printer.println("/**"); |
| 432 | final String commentContent = normalizeEolInTextBlock(n.getContent(), configuration.getEndOfLineCharacter()); |
| 433 | String[] lines = commentContent.split("\\R"); |
| 434 | List<String> strippedLines = new ArrayList<>(); |
| 435 | for (String line : lines) { |
| 436 | final String trimmedLine = line.trim(); |
| 437 | if (trimmedLine.startsWith("*")) { |
| 438 | line = trimmedLine.substring(1); |
| 439 | } |
| 440 | line = trimTrailingSpaces(line); |
| 441 | strippedLines.add(line); |
| 442 | } |
| 443 | |
| 444 | boolean skippingLeadingEmptyLines = true; |
| 445 | boolean prependEmptyLine = false; |
| 446 | boolean prependSpace = strippedLines.stream().anyMatch(line -> !line.isEmpty() && !line.startsWith(" ")); |
| 447 | for (String line : strippedLines) { |
| 448 | if (line.isEmpty()) { |
| 449 | if (!skippingLeadingEmptyLines) { |
| 450 | prependEmptyLine = true; |
| 451 | } |
| 452 | } else { |
| 453 | skippingLeadingEmptyLines = false; |
| 454 | if (prependEmptyLine) { |
| 455 | printer.println(" *"); |
| 456 | prependEmptyLine = false; |
| 457 | } |
| 458 | printer.print(" *"); |
| 459 | if (prependSpace) { |
| 460 | printer.print(" "); |
| 461 | } |
| 462 | printer.println(line); |
| 463 | } |
| 464 | } |
| 465 | printer.println(" */"); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | @Override |
| 470 | public void visit(final ClassOrInterfaceType n, final Void arg) { |
| 471 | printOrphanCommentsBeforeThisChildNode(n); |
| 472 | printComment(n.getComment(), arg); |
| 473 | if (n.getScope().isPresent()) { |
| 474 | n.getScope().get().accept(this, arg); |
| 475 | printer.print("."); |
| 476 | } |
| 477 | printAnnotations(n.getAnnotations(), false, arg); |
| 478 | |
| 479 | n.getName().accept(this, arg); |
| 480 | |
| 481 | if (n.isUsingDiamondOperator()) { |
| 482 | printer.print("<>"); |
| 483 | } else { |
| 484 | printTypeArgs(n, arg); |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | @Override |
| 489 | public void visit(final TypeParameter n, final Void arg) { |
| 490 | printOrphanCommentsBeforeThisChildNode(n); |
| 491 | printComment(n.getComment(), arg); |
| 492 | printAnnotations(n.getAnnotations(), false, arg); |
| 493 | n.getName().accept(this, arg); |
| 494 | if (!isNullOrEmpty(n.getTypeBound())) { |
| 495 | printer.print(" extends "); |
| 496 | for (final Iterator<ClassOrInterfaceType> i = n.getTypeBound().iterator(); i.hasNext(); ) { |
| 497 | final ClassOrInterfaceType c = i.next(); |
| 498 | c.accept(this, arg); |
| 499 | if (i.hasNext()) { |
| 500 | printer.print(" & "); |
| 501 | } |
| 502 | } |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | @Override |
| 507 | public void visit(final PrimitiveType n, final Void arg) { |
| 508 | printOrphanCommentsBeforeThisChildNode(n); |
| 509 | printComment(n.getComment(), arg); |
| 510 | printAnnotations(n.getAnnotations(), true, arg); |
| 511 | printer.print(n.getType().asString()); |
| 512 | } |
| 513 | |
| 514 | @Override |
| 515 | public void visit(final ArrayType n, final Void arg) { |
| 516 | final List<ArrayType> arrayTypeBuffer = new LinkedList<>(); |
| 517 | Type type = n; |
| 518 | while (type instanceof ArrayType) { |
| 519 | final ArrayType arrayType = (ArrayType) type; |
| 520 | arrayTypeBuffer.add(arrayType); |
| 521 | type = arrayType.getComponentType(); |
| 522 | } |
| 523 | |
| 524 | type.accept(this, arg); |
| 525 | for (ArrayType arrayType : arrayTypeBuffer) { |
| 526 | printAnnotations(arrayType.getAnnotations(), true, arg); |
| 527 | printer.print("[]"); |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | @Override |
| 532 | public void visit(final ArrayCreationLevel n, final Void arg) { |
| 533 | printAnnotations(n.getAnnotations(), true, arg); |
| 534 | printer.print("["); |
| 535 | if (n.getDimension().isPresent()) { |
| 536 | n.getDimension().get().accept(this, arg); |
| 537 | } |
| 538 | printer.print("]"); |
| 539 | } |
| 540 | |
| 541 | @Override |
| 542 | public void visit(final IntersectionType n, final Void arg) { |
| 543 | printOrphanCommentsBeforeThisChildNode(n); |
| 544 | printComment(n.getComment(), arg); |
| 545 | printAnnotations(n.getAnnotations(), false, arg); |
| 546 | boolean isFirst = true; |
| 547 | for (ReferenceType element : n.getElements()) { |
| 548 | if (isFirst) { |
| 549 | isFirst = false; |
| 550 | } else { |
| 551 | printer.print(" & "); |
| 552 | } |
| 553 | element.accept(this, arg); |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | @Override |
| 558 | public void visit(final UnionType n, final Void arg) { |
| 559 | printOrphanCommentsBeforeThisChildNode(n); |
| 560 | printComment(n.getComment(), arg); |
| 561 | printAnnotations(n.getAnnotations(), true, arg); |
| 562 | boolean isFirst = true; |
| 563 | for (ReferenceType element : n.getElements()) { |
| 564 | if (isFirst) { |
| 565 | isFirst = false; |
| 566 | } else { |
| 567 | printer.print(" | "); |
| 568 | } |
| 569 | element.accept(this, arg); |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | @Override |
| 574 | public void visit(final WildcardType n, final Void arg) { |
| 575 | printOrphanCommentsBeforeThisChildNode(n); |
| 576 | printComment(n.getComment(), arg); |
| 577 | printAnnotations(n.getAnnotations(), false, arg); |
| 578 | printer.print("?"); |
| 579 | if (n.getExtendedType().isPresent()) { |
| 580 | printer.print(" extends "); |
| 581 | n.getExtendedType().get().accept(this, arg); |
| 582 | } |
| 583 | if (n.getSuperType().isPresent()) { |
| 584 | printer.print(" super "); |
| 585 | n.getSuperType().get().accept(this, arg); |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | @Override |
| 590 | public void visit(final UnknownType n, final Void arg) { |
| 591 | // Nothing to print |
| 592 | } |
| 593 | |
| 594 | @Override |
| 595 | public void visit(final FieldDeclaration n, final Void arg) { |
| 596 | printOrphanCommentsBeforeThisChildNode(n); |
| 597 | |
| 598 | printComment(n.getComment(), arg); |
| 599 | printMemberAnnotations(n.getAnnotations(), arg); |
| 600 | printModifiers(n.getModifiers()); |
| 601 | if (!n.getVariables().isEmpty()) { |
| 602 | Optional<Type> maximumCommonType = n.getMaximumCommonType(); |
| 603 | maximumCommonType.ifPresent(t -> t.accept(this, arg)); |
| 604 | if (!maximumCommonType.isPresent()) { |
| 605 | printer.print("???"); |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | printer.print(" "); |
| 610 | for (final Iterator<VariableDeclarator> i = n.getVariables().iterator(); i.hasNext(); ) { |
| 611 | final VariableDeclarator var = i.next(); |
| 612 | var.accept(this, arg); |
| 613 | if (i.hasNext()) { |
| 614 | printer.print(", "); |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | printer.print(";"); |
| 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public void visit(final VariableDeclarator n, final Void arg) { |
| 623 | printOrphanCommentsBeforeThisChildNode(n); |
| 624 | printComment(n.getComment(), arg); |
| 625 | n.getName().accept(this, arg); |
| 626 | |
| 627 | n.findAncestor(NodeWithVariables.class).ifPresent(ancestor -> ((NodeWithVariables<?>) ancestor).getMaximumCommonType().ifPresent(commonType -> { |
| 628 | |
| 629 | final Type type = n.getType(); |
| 630 | |
| 631 | ArrayType arrayType = null; |
| 632 | |
| 633 | for (int i = commonType.getArrayLevel(); i < type.getArrayLevel(); i++) { |
| 634 | if (arrayType == null) { |
| 635 | arrayType = (ArrayType) type; |
| 636 | } else { |
| 637 | arrayType = (ArrayType) arrayType.getComponentType(); |
| 638 | } |
| 639 | printAnnotations(arrayType.getAnnotations(), true, arg); |
| 640 | printer.print("[]"); |
| 641 | } |
| 642 | })); |
| 643 | |
| 644 | if (n.getInitializer().isPresent()) { |
| 645 | printer.print(" = "); |
| 646 | n.getInitializer().get().accept(this, arg); |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | @Override |
| 651 | public void visit(final ArrayInitializerExpr n, final Void arg) { |
| 652 | printOrphanCommentsBeforeThisChildNode(n); |
| 653 | printComment(n.getComment(), arg); |
| 654 | printer.print("{"); |
| 655 | if (!isNullOrEmpty(n.getValues())) { |
| 656 | printer.print(" "); |
| 657 | for (final Iterator<Expression> i = n.getValues().iterator(); i.hasNext(); ) { |
| 658 | final Expression expr = i.next(); |
| 659 | expr.accept(this, arg); |
| 660 | if (i.hasNext()) { |
| 661 | printer.print(", "); |
| 662 | } |
| 663 | } |
| 664 | printer.print(" "); |
| 665 | } |
| 666 | printOrphanCommentsEnding(n); |
| 667 | printer.print("}"); |
| 668 | } |
| 669 | |
| 670 | @Override |
| 671 | public void visit(final VoidType n, final Void arg) { |
| 672 | printOrphanCommentsBeforeThisChildNode(n); |
| 673 | printComment(n.getComment(), arg); |
| 674 | printAnnotations(n.getAnnotations(), false, arg); |
| 675 | printer.print("void"); |
| 676 | } |
| 677 | |
| 678 | @Override |
| 679 | public void visit(final VarType n, final Void arg) { |
| 680 | printOrphanCommentsBeforeThisChildNode(n); |
| 681 | printComment(n.getComment(), arg); |
| 682 | printAnnotations(n.getAnnotations(), false, arg); |
| 683 | printer.print("var"); |
| 684 | } |
| 685 | |
| 686 | @Override |
| 687 | public void visit(Modifier n, Void arg) { |
| 688 | printer.print(n.getKeyword().asString()); |
| 689 | printer.print(" "); |
| 690 | } |
| 691 | |
| 692 | @Override |
| 693 | public void visit(final ArrayAccessExpr n, final Void arg) { |
| 694 | printOrphanCommentsBeforeThisChildNode(n); |
| 695 | printComment(n.getComment(), arg); |
| 696 | n.getName().accept(this, arg); |
| 697 | printer.print("["); |
| 698 | n.getIndex().accept(this, arg); |
| 699 | printer.print("]"); |
| 700 | } |
| 701 | |
| 702 | @Override |
| 703 | public void visit(final ArrayCreationExpr n, final Void arg) { |
| 704 | printOrphanCommentsBeforeThisChildNode(n); |
| 705 | printComment(n.getComment(), arg); |
| 706 | printer.print("new "); |
| 707 | n.getElementType().accept(this, arg); |
| 708 | for (ArrayCreationLevel level : n.getLevels()) { |
| 709 | level.accept(this, arg); |
| 710 | } |
| 711 | if (n.getInitializer().isPresent()) { |
| 712 | printer.print(" "); |
| 713 | n.getInitializer().get().accept(this, arg); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | @Override |
| 718 | public void visit(final AssignExpr n, final Void arg) { |
| 719 | printOrphanCommentsBeforeThisChildNode(n); |
| 720 | printComment(n.getComment(), arg); |
| 721 | n.getTarget().accept(this, arg); |
| 722 | if (configuration.isSpaceAroundOperators()) { |
| 723 | printer.print(" "); |
| 724 | } |
| 725 | printer.print(n.getOperator().asString()); |
| 726 | if (configuration.isSpaceAroundOperators()) { |
| 727 | printer.print(" "); |
| 728 | } |
| 729 | n.getValue().accept(this, arg); |
| 730 | } |
| 731 | |
| 732 | |
| 733 | |
| 734 | /** |
| 735 | * work in progress for issue-545 |
| 736 | */ |
| 737 | |
| 738 | @Override |
| 739 | public void visit(final BinaryExpr n, final Void arg) { |
| 740 | printOrphanCommentsBeforeThisChildNode(n); |
| 741 | printComment(n.getComment(), arg); |
| 742 | n.getLeft().accept(this, arg); |
| 743 | if (configuration.isSpaceAroundOperators()) { |
| 744 | printer.print(" "); |
| 745 | } |
| 746 | printer.print(n.getOperator().asString()); |
| 747 | if (configuration.isSpaceAroundOperators()) { |
| 748 | printer.print(" "); |
| 749 | } |
| 750 | n.getRight().accept(this, arg); |
| 751 | } |
| 752 | |
| 753 | @Override |
| 754 | public void visit(final CastExpr n, final Void arg) { |
| 755 | printOrphanCommentsBeforeThisChildNode(n); |
| 756 | printComment(n.getComment(), arg); |
| 757 | printer.print("("); |
| 758 | n.getType().accept(this, arg); |
| 759 | printer.print(") "); |
| 760 | n.getExpression().accept(this, arg); |
| 761 | } |
| 762 | |
| 763 | @Override |
| 764 | public void visit(final ClassExpr n, final Void arg) { |
| 765 | printOrphanCommentsBeforeThisChildNode(n); |
| 766 | printComment(n.getComment(), arg); |
| 767 | n.getType().accept(this, arg); |
| 768 | printer.print(".class"); |
| 769 | } |
| 770 | |
| 771 | @Override |
| 772 | public void visit(final ConditionalExpr n, final Void arg) { |
| 773 | printOrphanCommentsBeforeThisChildNode(n); |
| 774 | printComment(n.getComment(), arg); |
| 775 | n.getCondition().accept(this, arg); |
| 776 | printer.print(" ? "); |
| 777 | n.getThenExpr().accept(this, arg); |
| 778 | printer.print(" : "); |
| 779 | n.getElseExpr().accept(this, arg); |
| 780 | } |
| 781 | |
| 782 | @Override |
| 783 | public void visit(final EnclosedExpr n, final Void arg) { |
| 784 | printOrphanCommentsBeforeThisChildNode(n); |
| 785 | printComment(n.getComment(), arg); |
| 786 | printer.print("("); |
| 787 | n.getInner().accept(this, arg); |
| 788 | printer.print(")"); |
| 789 | } |
| 790 | |
| 791 | @Override |
| 792 | public void visit(final FieldAccessExpr n, final Void arg) { |
| 793 | printOrphanCommentsBeforeThisChildNode(n); |
| 794 | printComment(n.getComment(), arg); |
| 795 | n.getScope().accept(this, arg); |
| 796 | printer.print("."); |
| 797 | n.getName().accept(this, arg); |
| 798 | } |
| 799 | |
| 800 | @Override |
| 801 | public void visit(final InstanceOfExpr n, final Void arg) { |
| 802 | printOrphanCommentsBeforeThisChildNode(n); |
| 803 | printComment(n.getComment(), arg); |
| 804 | n.getExpression().accept(this, arg); |
| 805 | printer.print(" instanceof "); |
| 806 | n.getType().accept(this, arg); |
| 807 | } |
| 808 | |
| 809 | @Override |
| 810 | public void visit(final CharLiteralExpr n, final Void arg) { |
| 811 | printOrphanCommentsBeforeThisChildNode(n); |
| 812 | printComment(n.getComment(), arg); |
| 813 | printer.print("'"); |
| 814 | printer.print(n.getValue()); |
| 815 | printer.print("'"); |
| 816 | } |
| 817 | |
| 818 | @Override |
| 819 | public void visit(final DoubleLiteralExpr n, final Void arg) { |
| 820 | printOrphanCommentsBeforeThisChildNode(n); |
| 821 | printComment(n.getComment(), arg); |
| 822 | printer.print(n.getValue()); |
| 823 | } |
| 824 | |
| 825 | @Override |
| 826 | public void visit(final IntegerLiteralExpr n, final Void arg) { |
| 827 | printOrphanCommentsBeforeThisChildNode(n); |
| 828 | printComment(n.getComment(), arg); |
| 829 | printer.print(n.getValue()); |
| 830 | } |
| 831 | |
| 832 | @Override |
| 833 | public void visit(final LongLiteralExpr n, final Void arg) { |
| 834 | printOrphanCommentsBeforeThisChildNode(n); |
| 835 | printComment(n.getComment(), arg); |
| 836 | printer.print(n.getValue()); |
| 837 | } |
| 838 | |
| 839 | @Override |
| 840 | public void visit(final StringLiteralExpr n, final Void arg) { |
| 841 | printOrphanCommentsBeforeThisChildNode(n); |
| 842 | printComment(n.getComment(), arg); |
| 843 | printer.print("\""); |
| 844 | printer.print(n.getValue()); |
| 845 | printer.print("\""); |
| 846 | } |
| 847 | |
| 848 | @Override |
| 849 | public void visit(final TextBlockLiteralExpr n, final Void arg) { |
| 850 | printOrphanCommentsBeforeThisChildNode(n); |
| 851 | printComment(n.getComment(), arg); |
| 852 | printer.print("\"\"\""); |
| 853 | printer.indent(); |
| 854 | n.stripIndentOfLines().forEach(line -> { |
| 855 | printer.println(); |
| 856 | printer.print(line); |
| 857 | }); |
| 858 | printer.print("\"\"\""); |
| 859 | printer.unindent(); |
| 860 | } |
| 861 | |
| 862 | @Override |
| 863 | public void visit(final BooleanLiteralExpr n, final Void arg) { |
| 864 | printOrphanCommentsBeforeThisChildNode(n); |
| 865 | printComment(n.getComment(), arg); |
| 866 | printer.print(String.valueOf(n.getValue())); |
| 867 | } |
| 868 | |
| 869 | @Override |
| 870 | public void visit(final NullLiteralExpr n, final Void arg) { |
| 871 | printOrphanCommentsBeforeThisChildNode(n); |
| 872 | printComment(n.getComment(), arg); |
| 873 | printer.print("null"); |
| 874 | } |
| 875 | |
| 876 | @Override |
| 877 | public void visit(final ThisExpr n, final Void arg) { |
| 878 | printOrphanCommentsBeforeThisChildNode(n); |
| 879 | printComment(n.getComment(), arg); |
| 880 | if (n.getTypeName().isPresent()) { |
| 881 | n.getTypeName().get().accept(this, arg); |
| 882 | printer.print("."); |
| 883 | } |
| 884 | printer.print("this"); |
| 885 | } |
| 886 | |
| 887 | @Override |
| 888 | public void visit(final SuperExpr n, final Void arg) { |
| 889 | printOrphanCommentsBeforeThisChildNode(n); |
| 890 | printComment(n.getComment(), arg); |
| 891 | if (n.getTypeName().isPresent()) { |
| 892 | n.getTypeName().get().accept(this, arg); |
| 893 | printer.print("."); |
| 894 | } |
| 895 | printer.print("super"); |
| 896 | } |
| 897 | |
| 898 | @Override |
| 899 | public void visit(final MethodCallExpr n, final Void arg) { |
| 900 | printOrphanCommentsBeforeThisChildNode(n); |
| 901 | printComment(n.getComment(), arg); |
| 902 | |
| 903 | // determine whether we do reindenting for aligmnent at all |
| 904 | // - is it enabled? |
| 905 | // - are we in a statement where we want the alignment? |
| 906 | // - are we not directly in the argument list of a method call expression? |
| 907 | AtomicBoolean columnAlignFirstMethodChain = new AtomicBoolean(); |
| 908 | if (configuration.isColumnAlignFirstMethodChain()) { |
| 909 | // pick the kind of expressions where vertically aligning method calls is okay. |
| 910 | if (n.findAncestor(Statement.class).map(p -> p.isReturnStmt() |
| 911 | || p.isThrowStmt() |
| 912 | || p.isAssertStmt() |
| 913 | || p.isExpressionStmt()).orElse(false)) { |
| 914 | // search for first parent that does not have its child as scope |
| 915 | Node c = n; |
| 916 | Optional<Node> p = c.getParentNode(); |
| 917 | while (p.isPresent() && p.filter(NodeWithTraversableScope.class::isInstance) |
| 918 | .map(NodeWithTraversableScope.class::cast) |
| 919 | .flatMap(NodeWithTraversableScope::traverseScope) |
| 920 | .map(c::equals) |
| 921 | .orElse(false)) { |
| 922 | c = p.get(); |
| 923 | p = c.getParentNode(); |
| 924 | } |
| 925 | |
| 926 | // check if the parent is a method call and thus we are in an argument list |
| 927 | columnAlignFirstMethodChain.set(!p.filter(MethodCallExpr.class::isInstance).isPresent()); |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | // we are at the last method call of a call chain |
| 932 | // this means we do not start reindenting for alignment or we undo it |
| 933 | AtomicBoolean lastMethodInCallChain = new AtomicBoolean(true); |
| 934 | if (columnAlignFirstMethodChain.get()) { |
| 935 | Node node = n; |
| 936 | while (node.getParentNode() |
| 937 | .filter(NodeWithTraversableScope.class::isInstance) |
| 938 | .map(NodeWithTraversableScope.class::cast) |
| 939 | .flatMap(NodeWithTraversableScope::traverseScope) |
| 940 | .map(node::equals) |
| 941 | .orElse(false)) { |
| 942 | node = node.getParentNode().orElseThrow(AssertionError::new); |
| 943 | if (node instanceof MethodCallExpr) { |
| 944 | lastMethodInCallChain.set(false); |
| 945 | break; |
| 946 | } |
| 947 | } |
| 948 | } |
| 949 | |
| 950 | // search whether there is a method call with scope in the scope already |
| 951 | // this means that we probably started reindenting for alignment there |
| 952 | AtomicBoolean methodCallWithScopeInScope = new AtomicBoolean(); |
| 953 | if (columnAlignFirstMethodChain.get()) { |
| 954 | Optional<Expression> s = n.getScope(); |
| 955 | while (s.filter(NodeWithTraversableScope.class::isInstance).isPresent()) { |
| 956 | Optional<Expression> parentScope = s.map(NodeWithTraversableScope.class::cast) |
| 957 | .flatMap(NodeWithTraversableScope::traverseScope); |
| 958 | if (s.filter(MethodCallExpr.class::isInstance).isPresent() && parentScope.isPresent()) { |
| 959 | methodCallWithScopeInScope.set(true); |
| 960 | break; |
| 961 | } |
| 962 | s = parentScope; |
| 963 | } |
| 964 | } |
| 965 | |
| 966 | // we have a scope |
| 967 | // this means we are not the first method in the chain |
| 968 | n.getScope().ifPresent(scope -> { |
| 969 | scope.accept(this, arg); |
| 970 | if (columnAlignFirstMethodChain.get()) { |
| 971 | if (methodCallWithScopeInScope.get()) { |
| 972 | /* We're a method call on the result of something (method call, property access, ...) that is not stand alone, |
| 973 | and not the first one with scope, like: |
| 974 | we're x() in a.b().x(), or in a=b().c[15].d.e().x(). |
| 975 | That means that the "else" has been executed by one of the methods in the scope chain, so that the alignment |
| 976 | is set to the "." of that method. |
| 977 | That means we will align to that "." when we start a new line: */ |
| 978 | printer.println(); |
| 979 | } else if (!lastMethodInCallChain.get()) { |
| 980 | /* We're the first method call on the result of something in the chain (method call, property access, ...), |
| 981 | but we are not at the same time the last method call in that chain, like: |
| 982 | we're x() in a().x().y(), or in Long.x().y.z(). That means we get to dictate the indent of following method |
| 983 | calls in this chain by setting the cursor to where we are now: just before the "." |
| 984 | that start this method call. */ |
| 985 | printer.reindentWithAlignToCursor(); |
| 986 | } |
| 987 | } |
| 988 | printer.print("."); |
| 989 | }); |
| 990 | |
| 991 | printTypeArgs(n, arg); |
| 992 | n.getName().accept(this, arg); |
| 993 | printer.duplicateIndent(); |
| 994 | printArguments(n.getArguments(), arg); |
| 995 | printer.unindent(); |
| 996 | if (columnAlignFirstMethodChain.get() && methodCallWithScopeInScope.get() && lastMethodInCallChain.get()) { |
| 997 | // undo the aligning after the arguments of the last method call are printed |
| 998 | printer.reindentToPreviousLevel(); |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | @Override |
| 1003 | public void visit(final ObjectCreationExpr n, final Void arg) { |
| 1004 | printOrphanCommentsBeforeThisChildNode(n); |
| 1005 | printComment(n.getComment(), arg); |
| 1006 | if (n.getScope().isPresent()) { |
| 1007 | n.getScope().get().accept(this, arg); |
| 1008 | printer.print("."); |
| 1009 | } |
| 1010 | |
| 1011 | printer.print("new "); |
| 1012 | |
| 1013 | printTypeArgs(n, arg); |
| 1014 | if (!isNullOrEmpty(n.getTypeArguments().orElse(null))) { |
| 1015 | printer.print(" "); |
| 1016 | } |
| 1017 | |
| 1018 | n.getType().accept(this, arg); |
| 1019 | |
| 1020 | printArguments(n.getArguments(), arg); |
| 1021 | |
| 1022 | if (n.getAnonymousClassBody().isPresent()) { |
| 1023 | printer.println(" {"); |
| 1024 | printer.indent(); |
| 1025 | printMembers(n.getAnonymousClassBody().get(), arg); |
| 1026 | printer.unindent(); |
| 1027 | printer.print("}"); |
| 1028 | } |
| 1029 | } |
| 1030 | |
| 1031 | @Override |
| 1032 | public void visit(final UnaryExpr n, final Void arg) { |
| 1033 | printOrphanCommentsBeforeThisChildNode(n); |
| 1034 | printComment(n.getComment(), arg); |
| 1035 | if (n.getOperator().isPrefix()) { |
| 1036 | printer.print(n.getOperator().asString()); |
| 1037 | } |
| 1038 | |
| 1039 | n.getExpression().accept(this, arg); |
| 1040 | |
| 1041 | if (n.getOperator().isPostfix()) { |
| 1042 | printer.print(n.getOperator().asString()); |
| 1043 | } |
| 1044 | } |
| 1045 | |
| 1046 | @Override |
| 1047 | public void visit(final ConstructorDeclaration n, final Void arg) { |
| 1048 | printOrphanCommentsBeforeThisChildNode(n); |
| 1049 | printComment(n.getComment(), arg); |
| 1050 | printMemberAnnotations(n.getAnnotations(), arg); |
| 1051 | printModifiers(n.getModifiers()); |
| 1052 | |
| 1053 | printTypeParameters(n.getTypeParameters(), arg); |
| 1054 | if (n.isGeneric()) { |
| 1055 | printer.print(" "); |
| 1056 | } |
| 1057 | n.getName().accept(this, arg); |
| 1058 | |
| 1059 | printer.print("("); |
| 1060 | if (!n.getParameters().isEmpty()) { |
| 1061 | for (final Iterator<Parameter> i = n.getParameters().iterator(); i.hasNext(); ) { |
| 1062 | final Parameter p = i.next(); |
| 1063 | p.accept(this, arg); |
| 1064 | if (i.hasNext()) { |
| 1065 | printer.print(", "); |
| 1066 | } |
| 1067 | } |
| 1068 | } |
| 1069 | printer.print(")"); |
| 1070 | |
| 1071 | if (!isNullOrEmpty(n.getThrownExceptions())) { |
| 1072 | printer.print(" throws "); |
| 1073 | for (final Iterator<ReferenceType> i = n.getThrownExceptions().iterator(); i.hasNext(); ) { |
| 1074 | final ReferenceType name = i.next(); |
| 1075 | name.accept(this, arg); |
| 1076 | if (i.hasNext()) { |
| 1077 | printer.print(", "); |
| 1078 | } |
| 1079 | } |
| 1080 | } |
| 1081 | printer.print(" "); |
| 1082 | n.getBody().accept(this, arg); |
| 1083 | } |
| 1084 | |
| 1085 | @Override |
| 1086 | public void visit(final MethodDeclaration n, final Void arg) { |
| 1087 | printOrphanCommentsBeforeThisChildNode(n); |
| 1088 | |
| 1089 | printComment(n.getComment(), arg); |
| 1090 | printMemberAnnotations(n.getAnnotations(), arg); |
| 1091 | printModifiers(n.getModifiers()); |
| 1092 | printTypeParameters(n.getTypeParameters(), arg); |
| 1093 | if (!isNullOrEmpty(n.getTypeParameters())) { |
| 1094 | printer.print(" "); |
| 1095 | } |
| 1096 | |
| 1097 | n.getType().accept(this, arg); |
| 1098 | printer.print(" "); |
| 1099 | n.getName().accept(this, arg); |
| 1100 | |
| 1101 | printer.print("("); |
| 1102 | n.getReceiverParameter().ifPresent(rp -> { |
| 1103 | rp.accept(this, arg); |
| 1104 | if (!isNullOrEmpty(n.getParameters())) { |
| 1105 | printer.print(", "); |
| 1106 | } |
| 1107 | }); |
| 1108 | if (!isNullOrEmpty(n.getParameters())) { |
| 1109 | for (final Iterator<Parameter> i = n.getParameters().iterator(); i.hasNext(); ) { |
| 1110 | final Parameter p = i.next(); |
| 1111 | p.accept(this, arg); |
| 1112 | if (i.hasNext()) { |
| 1113 | printer.print(", "); |
| 1114 | } |
| 1115 | } |
| 1116 | } |
| 1117 | printer.print(")"); |
| 1118 | |
| 1119 | if (!isNullOrEmpty(n.getThrownExceptions())) { |
| 1120 | printer.print(" throws "); |
| 1121 | for (final Iterator<ReferenceType> i = n.getThrownExceptions().iterator(); i.hasNext(); ) { |
| 1122 | final ReferenceType name = i.next(); |
| 1123 | name.accept(this, arg); |
| 1124 | if (i.hasNext()) { |
| 1125 | printer.print(", "); |
| 1126 | } |
| 1127 | } |
| 1128 | } |
| 1129 | if (!n.getBody().isPresent()) { |
| 1130 | printer.print(";"); |
| 1131 | } else { |
| 1132 | printer.print(" "); |
| 1133 | n.getBody().get().accept(this, arg); |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | @Override |
| 1138 | public void visit(final Parameter n, final Void arg) { |
| 1139 | printOrphanCommentsBeforeThisChildNode(n); |
| 1140 | printComment(n.getComment(), arg); |
| 1141 | printAnnotations(n.getAnnotations(), false, arg); |
| 1142 | printModifiers(n.getModifiers()); |
| 1143 | n.getType().accept(this, arg); |
| 1144 | if (n.isVarArgs()) { |
| 1145 | printAnnotations(n.getVarArgsAnnotations(), false, arg); |
| 1146 | printer.print("..."); |
| 1147 | } |
| 1148 | if (!(n.getType() instanceof UnknownType)) { |
| 1149 | printer.print(" "); |
| 1150 | } |
| 1151 | n.getName().accept(this, arg); |
| 1152 | } |
| 1153 | |
| 1154 | @Override |
| 1155 | public void visit(final ReceiverParameter n, final Void arg) { |
| 1156 | printOrphanCommentsBeforeThisChildNode(n); |
| 1157 | printComment(n.getComment(), arg); |
| 1158 | printAnnotations(n.getAnnotations(), false, arg); |
| 1159 | n.getType().accept(this, arg); |
| 1160 | printer.print(" "); |
| 1161 | n.getName().accept(this, arg); |
| 1162 | } |
| 1163 | |
| 1164 | @Override |
| 1165 | public void visit(final ExplicitConstructorInvocationStmt n, final Void arg) { |
| 1166 | printOrphanCommentsBeforeThisChildNode(n); |
| 1167 | printComment(n.getComment(), arg); |
| 1168 | if (n.isThis()) { |
| 1169 | printTypeArgs(n, arg); |
| 1170 | printer.print("this"); |
| 1171 | } else { |
| 1172 | if (n.getExpression().isPresent()) { |
| 1173 | n.getExpression().get().accept(this, arg); |
| 1174 | printer.print("."); |
| 1175 | } |
| 1176 | printTypeArgs(n, arg); |
| 1177 | printer.print("super"); |
| 1178 | } |
| 1179 | printArguments(n.getArguments(), arg); |
| 1180 | printer.print(";"); |
| 1181 | } |
| 1182 | |
| 1183 | @Override |
| 1184 | public void visit(final VariableDeclarationExpr n, final Void arg) { |
| 1185 | printOrphanCommentsBeforeThisChildNode(n); |
| 1186 | printComment(n.getComment(), arg); |
| 1187 | if (n.getParentNode().map(ExpressionStmt.class::isInstance).orElse(false)) { |
| 1188 | printMemberAnnotations(n.getAnnotations(), arg); |
| 1189 | } else { |
| 1190 | printAnnotations(n.getAnnotations(), false, arg); |
| 1191 | } |
| 1192 | printModifiers(n.getModifiers()); |
| 1193 | |
| 1194 | if (!n.getVariables().isEmpty()) { |
| 1195 | n.getMaximumCommonType().ifPresent(t -> t.accept(this, arg)); |
| 1196 | } |
| 1197 | printer.print(" "); |
| 1198 | |
| 1199 | for (final Iterator<VariableDeclarator> i = n.getVariables().iterator(); i.hasNext(); ) { |
| 1200 | final VariableDeclarator v = i.next(); |
| 1201 | v.accept(this, arg); |
| 1202 | if (i.hasNext()) { |
| 1203 | printer.print(", "); |
| 1204 | } |
| 1205 | } |
| 1206 | } |
| 1207 | |
| 1208 | @Override |
| 1209 | public void visit(final LocalClassDeclarationStmt n, final Void arg) { |
| 1210 | printOrphanCommentsBeforeThisChildNode(n); |
| 1211 | printComment(n.getComment(), arg); |
| 1212 | n.getClassDeclaration().accept(this, arg); |
| 1213 | } |
| 1214 | |
| 1215 | @Override |
| 1216 | public void visit(final AssertStmt n, final Void arg) { |
| 1217 | printOrphanCommentsBeforeThisChildNode(n); |
| 1218 | printComment(n.getComment(), arg); |
| 1219 | printer.print("assert "); |
| 1220 | n.getCheck().accept(this, arg); |
| 1221 | if (n.getMessage().isPresent()) { |
| 1222 | printer.print(" : "); |
| 1223 | n.getMessage().get().accept(this, arg); |
| 1224 | } |
| 1225 | printer.print(";"); |
| 1226 | } |
| 1227 | |
| 1228 | @Override |
| 1229 | public void visit(final BlockStmt n, final Void arg) { |
| 1230 | printOrphanCommentsBeforeThisChildNode(n); |
| 1231 | printComment(n.getComment(), arg); |
| 1232 | printer.println("{"); |
| 1233 | if (n.getStatements() != null) { |
| 1234 | printer.indent(); |
| 1235 | for (final Statement s : n.getStatements()) { |
| 1236 | s.accept(this, arg); |
| 1237 | printer.println(); |
| 1238 | } |
| 1239 | } |
| 1240 | printOrphanCommentsEnding(n); |
| 1241 | printer.unindent(); |
| 1242 | printer.print("}"); |
| 1243 | } |
| 1244 | |
| 1245 | @Override |
| 1246 | public void visit(final LabeledStmt n, final Void arg) { |
| 1247 | printOrphanCommentsBeforeThisChildNode(n); |
| 1248 | printComment(n.getComment(), arg); |
| 1249 | n.getLabel().accept(this, arg); |
| 1250 | printer.print(": "); |
| 1251 | n.getStatement().accept(this, arg); |
| 1252 | } |
| 1253 | |
| 1254 | @Override |
| 1255 | public void visit(final EmptyStmt n, final Void arg) { |
| 1256 | printOrphanCommentsBeforeThisChildNode(n); |
| 1257 | printComment(n.getComment(), arg); |
| 1258 | printer.print(";"); |
| 1259 | } |
| 1260 | |
| 1261 | @Override |
| 1262 | public void visit(final ExpressionStmt n, final Void arg) { |
| 1263 | printOrphanCommentsBeforeThisChildNode(n); |
| 1264 | printComment(n.getComment(), arg); |
| 1265 | n.getExpression().accept(this, arg); |
| 1266 | printer.print(";"); |
| 1267 | } |
| 1268 | |
| 1269 | @Override |
| 1270 | public void visit(final SwitchStmt n, final Void arg) { |
| 1271 | printOrphanCommentsBeforeThisChildNode(n); |
| 1272 | printSwitchNode(n, arg); |
| 1273 | } |
| 1274 | |
| 1275 | @Override |
| 1276 | public void visit(SwitchExpr n, Void arg) { |
| 1277 | printOrphanCommentsBeforeThisChildNode(n); |
| 1278 | printSwitchNode(n, arg); |
| 1279 | } |
| 1280 | |
| 1281 | private void printSwitchNode(SwitchNode n, Void arg) { |
| 1282 | printComment(n.getComment(), arg); |
| 1283 | printer.print("switch("); |
| 1284 | n.getSelector().accept(this, arg); |
| 1285 | printer.println(") {"); |
| 1286 | if (n.getEntries() != null) { |
| 1287 | indentIf(configuration.isIndentCaseInSwitch()); |
| 1288 | for (final SwitchEntry e : n.getEntries()) { |
| 1289 | e.accept(this, arg); |
| 1290 | } |
| 1291 | unindentIf(configuration.isIndentCaseInSwitch()); |
| 1292 | } |
| 1293 | printer.print("}"); |
| 1294 | } |
| 1295 | |
| 1296 | @Override |
| 1297 | public void visit(final SwitchEntry n, final Void arg) { |
| 1298 | printOrphanCommentsBeforeThisChildNode(n); |
| 1299 | printComment(n.getComment(), arg); |
| 1300 | |
| 1301 | if (isNullOrEmpty(n.getLabels())) { |
| 1302 | printer.print("default:"); |
| 1303 | } else { |
| 1304 | printer.print("case "); |
| 1305 | for (final Iterator<Expression> i = n.getLabels().iterator(); i.hasNext(); ) { |
| 1306 | final Expression label = i.next(); |
| 1307 | label.accept(this, arg); |
| 1308 | if (i.hasNext()) { |
| 1309 | printer.print(", "); |
| 1310 | } |
| 1311 | } |
| 1312 | printer.print(":"); |
| 1313 | } |
| 1314 | printer.println(); |
| 1315 | printer.indent(); |
| 1316 | if (n.getStatements() != null) { |
| 1317 | for (final Statement s : n.getStatements()) { |
| 1318 | s.accept(this, arg); |
| 1319 | printer.println(); |
| 1320 | } |
| 1321 | } |
| 1322 | printer.unindent(); |
| 1323 | } |
| 1324 | |
| 1325 | @Override |
| 1326 | public void visit(final BreakStmt n, final Void arg) { |
| 1327 | printOrphanCommentsBeforeThisChildNode(n); |
| 1328 | printComment(n.getComment(), arg); |
| 1329 | printer.print("break"); |
| 1330 | n.getLabel().ifPresent(l -> printer.print(" ").print(l.getIdentifier())); |
| 1331 | printer.print(";"); |
| 1332 | } |
| 1333 | |
| 1334 | @Override |
| 1335 | public void visit(final YieldStmt n, final Void arg) { |
| 1336 | printOrphanCommentsBeforeThisChildNode(n); |
| 1337 | printComment(n.getComment(), arg); |
| 1338 | printer.print("yield "); |
| 1339 | n.getExpression().accept(this, arg); |
| 1340 | printer.print(";"); |
| 1341 | } |
| 1342 | |
| 1343 | @Override |
| 1344 | public void visit(final ReturnStmt n, final Void arg) { |
| 1345 | printOrphanCommentsBeforeThisChildNode(n); |
| 1346 | printComment(n.getComment(), arg); |
| 1347 | printer.print("return"); |
| 1348 | if (n.getExpression().isPresent()) { |
| 1349 | printer.print(" "); |
| 1350 | n.getExpression().get().accept(this, arg); |
| 1351 | } |
| 1352 | printer.print(";"); |
| 1353 | } |
| 1354 | |
| 1355 | @Override |
| 1356 | public void visit(final EnumDeclaration n, final Void arg) { |
| 1357 | printOrphanCommentsBeforeThisChildNode(n); |
| 1358 | printComment(n.getComment(), arg); |
| 1359 | printMemberAnnotations(n.getAnnotations(), arg); |
| 1360 | printModifiers(n.getModifiers()); |
| 1361 | |
| 1362 | printer.print("enum "); |
| 1363 | n.getName().accept(this, arg); |
| 1364 | |
| 1365 | if (!n.getImplementedTypes().isEmpty()) { |
| 1366 | printer.print(" implements "); |
| 1367 | for (final Iterator<ClassOrInterfaceType> i = n.getImplementedTypes().iterator(); i.hasNext(); ) { |
| 1368 | final ClassOrInterfaceType c = i.next(); |
| 1369 | c.accept(this, arg); |
| 1370 | if (i.hasNext()) { |
| 1371 | printer.print(", "); |
| 1372 | } |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | printer.println(" {"); |
| 1377 | printer.indent(); |
| 1378 | if (n.getEntries().isNonEmpty()) { |
| 1379 | final boolean alignVertically = |
| 1380 | // Either we hit the constant amount limit in the configurations, or... |
| 1381 | n.getEntries().size() > configuration.getMaxEnumConstantsToAlignHorizontally() || |
| 1382 | // any of the constants has a comment. |
| 1383 | n.getEntries().stream().anyMatch(e -> e.getComment().isPresent()); |
| 1384 | printer.println(); |
| 1385 | for (final Iterator<EnumConstantDeclaration> i = n.getEntries().iterator(); i.hasNext(); ) { |
| 1386 | final EnumConstantDeclaration e = i.next(); |
| 1387 | e.accept(this, arg); |
| 1388 | if (i.hasNext()) { |
| 1389 | if (alignVertically) { |
| 1390 | printer.println(","); |
| 1391 | } else { |
| 1392 | printer.print(", "); |
| 1393 | } |
| 1394 | } |
| 1395 | } |
| 1396 | } |
| 1397 | if (!n.getMembers().isEmpty()) { |
| 1398 | printer.println(";"); |
| 1399 | printMembers(n.getMembers(), arg); |
| 1400 | } else { |
| 1401 | if (!n.getEntries().isEmpty()) { |
| 1402 | printer.println(); |
| 1403 | } |
| 1404 | } |
| 1405 | printer.unindent(); |
| 1406 | printer.print("}"); |
| 1407 | } |
| 1408 | |
| 1409 | @Override |
| 1410 | public void visit(final EnumConstantDeclaration n, final Void arg) { |
| 1411 | printOrphanCommentsBeforeThisChildNode(n); |
| 1412 | printComment(n.getComment(), arg); |
| 1413 | printMemberAnnotations(n.getAnnotations(), arg); |
| 1414 | n.getName().accept(this, arg); |
| 1415 | |
| 1416 | if (!n.getArguments().isEmpty()) { |
| 1417 | printArguments(n.getArguments(), arg); |
| 1418 | } |
| 1419 | |
| 1420 | if (!n.getClassBody().isEmpty()) { |
| 1421 | printer.println(" {"); |
| 1422 | printer.indent(); |
| 1423 | printMembers(n.getClassBody(), arg); |
| 1424 | printer.unindent(); |
| 1425 | printer.println("}"); |
| 1426 | } |
| 1427 | } |
| 1428 | |
| 1429 | @Override |
| 1430 | public void visit(final InitializerDeclaration n, final Void arg) { |
| 1431 | printOrphanCommentsBeforeThisChildNode(n); |
| 1432 | printComment(n.getComment(), arg); |
| 1433 | if (n.isStatic()) { |
| 1434 | printer.print("static "); |
| 1435 | } |
| 1436 | n.getBody().accept(this, arg); |
| 1437 | } |
| 1438 | |
| 1439 | @Override |
| 1440 | public void visit(final IfStmt n, final Void arg) { |
| 1441 | printOrphanCommentsBeforeThisChildNode(n); |
| 1442 | printComment(n.getComment(), arg); |
| 1443 | printer.print("if ("); |
| 1444 | n.getCondition().accept(this, arg); |
| 1445 | final boolean thenBlock = n.getThenStmt() instanceof BlockStmt; |
| 1446 | if (thenBlock) // block statement should start on the same line |
| 1447 | printer.print(") "); |
| 1448 | else { |
| 1449 | printer.println(")"); |
| 1450 | printer.indent(); |
| 1451 | } |
| 1452 | n.getThenStmt().accept(this, arg); |
| 1453 | if (!thenBlock) |
| 1454 | printer.unindent(); |
| 1455 | if (n.getElseStmt().isPresent()) { |
| 1456 | if (thenBlock) |
| 1457 | printer.print(" "); |
| 1458 | else |
| 1459 | printer.println(); |
| 1460 | final boolean elseIf = n.getElseStmt().orElse(null) instanceof IfStmt; |
| 1461 | final boolean elseBlock = n.getElseStmt().orElse(null) instanceof BlockStmt; |
| 1462 | if (elseIf || elseBlock) // put chained if and start of block statement on a same level |
| 1463 | printer.print("else "); |
| 1464 | else { |
| 1465 | printer.println("else"); |
| 1466 | printer.indent(); |
| 1467 | } |
| 1468 | if (n.getElseStmt().isPresent()) |
| 1469 | n.getElseStmt().get().accept(this, arg); |
| 1470 | if (!(elseIf || elseBlock)) |
| 1471 | printer.unindent(); |
| 1472 | } |
| 1473 | } |
| 1474 | |
| 1475 | @Override |
| 1476 | public void visit(final WhileStmt n, final Void arg) { |
| 1477 | printOrphanCommentsBeforeThisChildNode(n); |
| 1478 | printComment(n.getComment(), arg); |
| 1479 | printer.print("while ("); |
| 1480 | n.getCondition().accept(this, arg); |
| 1481 | printer.print(") "); |
| 1482 | n.getBody().accept(this, arg); |
| 1483 | } |
| 1484 | |
| 1485 | @Override |
| 1486 | public void visit(final ContinueStmt n, final Void arg) { |
| 1487 | printOrphanCommentsBeforeThisChildNode(n); |
| 1488 | printComment(n.getComment(), arg); |
| 1489 | printer.print("continue"); |
| 1490 | n.getLabel().ifPresent(l -> printer.print(" ").print(l.getIdentifier())); |
| 1491 | printer.print(";"); |
| 1492 | } |
| 1493 | |
| 1494 | @Override |
| 1495 | public void visit(final DoStmt n, final Void arg) { |
| 1496 | printOrphanCommentsBeforeThisChildNode(n); |
| 1497 | printComment(n.getComment(), arg); |
| 1498 | printer.print("do "); |
| 1499 | n.getBody().accept(this, arg); |
| 1500 | printer.print(" while ("); |
| 1501 | n.getCondition().accept(this, arg); |
| 1502 | printer.print(");"); |
| 1503 | } |
| 1504 | |
| 1505 | @Override |
| 1506 | public void visit(final ForEachStmt n, final Void arg) { |
| 1507 | printOrphanCommentsBeforeThisChildNode(n); |
| 1508 | printComment(n.getComment(), arg); |
| 1509 | printer.print("for ("); |
| 1510 | n.getVariable().accept(this, arg); |
| 1511 | printer.print(" : "); |
| 1512 | n.getIterable().accept(this, arg); |
| 1513 | printer.print(") "); |
| 1514 | n.getBody().accept(this, arg); |
| 1515 | } |
| 1516 | |
| 1517 | @Override |
| 1518 | public void visit(final ForStmt n, final Void arg) { |
| 1519 | printOrphanCommentsBeforeThisChildNode(n); |
| 1520 | printComment(n.getComment(), arg); |
| 1521 | printer.print("for ("); |
| 1522 | if (n.getInitialization() != null) { |
| 1523 | for (final Iterator<Expression> i = n.getInitialization().iterator(); i.hasNext(); ) { |
| 1524 | final Expression e = i.next(); |
| 1525 | e.accept(this, arg); |
| 1526 | if (i.hasNext()) { |
| 1527 | printer.print(", "); |
| 1528 | } |
| 1529 | } |
| 1530 | } |
| 1531 | printer.print("; "); |
| 1532 | if (n.getCompare().isPresent()) { |
| 1533 | n.getCompare().get().accept(this, arg); |
| 1534 | } |
| 1535 | printer.print("; "); |
| 1536 | if (n.getUpdate() != null) { |
| 1537 | for (final Iterator<Expression> i = n.getUpdate().iterator(); i.hasNext(); ) { |
| 1538 | final Expression e = i.next(); |
| 1539 | e.accept(this, arg); |
| 1540 | if (i.hasNext()) { |
| 1541 | printer.print(", "); |
| 1542 | } |
| 1543 | } |
| 1544 | } |
| 1545 | printer.print(") "); |
| 1546 | n.getBody().accept(this, arg); |
| 1547 | } |
| 1548 | |
| 1549 | @Override |
| 1550 | public void visit(final ThrowStmt n, final Void arg) { |
| 1551 | printOrphanCommentsBeforeThisChildNode(n); |
| 1552 | printComment(n.getComment(), arg); |
| 1553 | printer.print("throw "); |
| 1554 | n.getExpression().accept(this, arg); |
| 1555 | printer.print(";"); |
| 1556 | } |
| 1557 | |
| 1558 | @Override |
| 1559 | public void visit(final SynchronizedStmt n, final Void arg) { |
| 1560 | printOrphanCommentsBeforeThisChildNode(n); |
| 1561 | printComment(n.getComment(), arg); |
| 1562 | printer.print("synchronized ("); |
| 1563 | n.getExpression().accept(this, arg); |
| 1564 | printer.print(") "); |
| 1565 | n.getBody().accept(this, arg); |
| 1566 | } |
| 1567 | |
| 1568 | @Override |
| 1569 | public void visit(final TryStmt n, final Void arg) { |
| 1570 | printOrphanCommentsBeforeThisChildNode(n); |
| 1571 | printComment(n.getComment(), arg); |
| 1572 | printer.print("try "); |
| 1573 | if (!n.getResources().isEmpty()) { |
| 1574 | printer.print("("); |
| 1575 | Iterator<Expression> resources = n.getResources().iterator(); |
| 1576 | boolean first = true; |
| 1577 | while (resources.hasNext()) { |
| 1578 | resources.next().accept(this, arg); |
| 1579 | if (resources.hasNext()) { |
| 1580 | printer.print(";"); |
| 1581 | printer.println(); |
| 1582 | if (first) { |
| 1583 | printer.indent(); |
| 1584 | } |
| 1585 | } |
| 1586 | first = false; |
| 1587 | } |
| 1588 | if (n.getResources().size() > 1) { |
| 1589 | printer.unindent(); |
| 1590 | } |
| 1591 | printer.print(") "); |
| 1592 | } |
| 1593 | n.getTryBlock().accept(this, arg); |
| 1594 | for (final CatchClause c : n.getCatchClauses()) { |
| 1595 | c.accept(this, arg); |
| 1596 | } |
| 1597 | if (n.getFinallyBlock().isPresent()) { |
| 1598 | printer.print(" finally "); |
| 1599 | n.getFinallyBlock().get().accept(this, arg); |
| 1600 | } |
| 1601 | } |
| 1602 | |
| 1603 | @Override |
| 1604 | public void visit(final CatchClause n, final Void arg) { |
| 1605 | printOrphanCommentsBeforeThisChildNode(n); |
| 1606 | printComment(n.getComment(), arg); |
| 1607 | printer.print(" catch ("); |
| 1608 | n.getParameter().accept(this, arg); |
| 1609 | printer.print(") "); |
| 1610 | n.getBody().accept(this, arg); |
| 1611 | } |
| 1612 | |
| 1613 | @Override |
| 1614 | public void visit(final AnnotationDeclaration n, final Void arg) { |
| 1615 | printOrphanCommentsBeforeThisChildNode(n); |
| 1616 | printComment(n.getComment(), arg); |
| 1617 | printMemberAnnotations(n.getAnnotations(), arg); |
| 1618 | printModifiers(n.getModifiers()); |
| 1619 | |
| 1620 | printer.print("@interface "); |
| 1621 | n.getName().accept(this, arg); |
| 1622 | printer.println(" {"); |
| 1623 | printer.indent(); |
| 1624 | if (n.getMembers() != null) { |
| 1625 | printMembers(n.getMembers(), arg); |
| 1626 | } |
| 1627 | printer.unindent(); |
| 1628 | printer.print("}"); |
| 1629 | } |
| 1630 | |
| 1631 | @Override |
| 1632 | public void visit(final AnnotationMemberDeclaration n, final Void arg) { |
| 1633 | printOrphanCommentsBeforeThisChildNode(n); |
| 1634 | printComment(n.getComment(), arg); |
| 1635 | printMemberAnnotations(n.getAnnotations(), arg); |
| 1636 | printModifiers(n.getModifiers()); |
| 1637 | |
| 1638 | n.getType().accept(this, arg); |
| 1639 | printer.print(" "); |
| 1640 | n.getName().accept(this, arg); |
| 1641 | printer.print("()"); |
| 1642 | if (n.getDefaultValue().isPresent()) { |
| 1643 | printer.print(" default "); |
| 1644 | n.getDefaultValue().get().accept(this, arg); |
| 1645 | } |
| 1646 | printer.print(";"); |
| 1647 | } |
| 1648 | |
| 1649 | @Override |
| 1650 | public void visit(final MarkerAnnotationExpr n, final Void arg) { |
| 1651 | printOrphanCommentsBeforeThisChildNode(n); |
| 1652 | printComment(n.getComment(), arg); |
| 1653 | printer.print("@"); |
| 1654 | n.getName().accept(this, arg); |
| 1655 | } |
| 1656 | |
| 1657 | @Override |
| 1658 | public void visit(final SingleMemberAnnotationExpr n, final Void arg) { |
| 1659 | printOrphanCommentsBeforeThisChildNode(n); |
| 1660 | printComment(n.getComment(), arg); |
| 1661 | printer.print("@"); |
| 1662 | n.getName().accept(this, arg); |
| 1663 | printer.print("("); |
| 1664 | n.getMemberValue().accept(this, arg); |
| 1665 | printer.print(")"); |
| 1666 | } |
| 1667 | |
| 1668 | @Override |
| 1669 | public void visit(final NormalAnnotationExpr n, final Void arg) { |
| 1670 | printOrphanCommentsBeforeThisChildNode(n); |
| 1671 | printComment(n.getComment(), arg); |
| 1672 | printer.print("@"); |
| 1673 | n.getName().accept(this, arg); |
| 1674 | printer.print("("); |
| 1675 | if (n.getPairs() != null) { |
| 1676 | for (final Iterator<MemberValuePair> i = n.getPairs().iterator(); i.hasNext(); ) { |
| 1677 | final MemberValuePair m = i.next(); |
| 1678 | m.accept(this, arg); |
| 1679 | if (i.hasNext()) { |
| 1680 | printer.print(", "); |
| 1681 | } |
| 1682 | } |
| 1683 | } |
| 1684 | printer.print(")"); |
| 1685 | } |
| 1686 | |
| 1687 | @Override |
| 1688 | public void visit(final MemberValuePair n, final Void arg) { |
| 1689 | printOrphanCommentsBeforeThisChildNode(n); |
| 1690 | printComment(n.getComment(), arg); |
| 1691 | n.getName().accept(this, arg); |
| 1692 | printer.print(" = "); |
| 1693 | n.getValue().accept(this, arg); |
| 1694 | } |
| 1695 | |
| 1696 | @Override |
| 1697 | public void visit(final LineComment n, final Void arg) { |
| 1698 | if (configuration.isIgnoreComments()) { |
| 1699 | return; |
| 1700 | } |
| 1701 | printer |
| 1702 | .print("// ") |
| 1703 | .println(normalizeEolInTextBlock(n.getContent(), "").trim()); |
| 1704 | } |
| 1705 | |
| 1706 | @Override |
| 1707 | public void visit(final BlockComment n, final Void arg) { |
| 1708 | if (configuration.isIgnoreComments()) { |
| 1709 | return; |
| 1710 | } |
| 1711 | final String commentContent = normalizeEolInTextBlock(n.getContent(), configuration.getEndOfLineCharacter()); |
| 1712 | String[] lines = commentContent.split("\\R", -1); // as BlockComment should not be formatted, -1 to preserve any trailing empty line if present |
| 1713 | printer.print("/*"); |
| 1714 | for (int i = 0; i < (lines.length - 1); i++) { |
| 1715 | printer.print(lines[i]); |
| 1716 | printer.print(configuration.getEndOfLineCharacter()); // Avoids introducing indentation in blockcomments. ie: do not use println() as it would trigger indentation at the next print call. |
| 1717 | } |
| 1718 | printer.print(lines[lines.length - 1]); // last line is not followed by a newline, and simply terminated with `*/` |
| 1719 | printer.println("*/"); |
| 1720 | } |
| 1721 | |
| 1722 | @Override |
| 1723 | public void visit(LambdaExpr n, Void arg) { |
| 1724 | printOrphanCommentsBeforeThisChildNode(n); |
| 1725 | printComment(n.getComment(), arg); |
| 1726 | |
| 1727 | final NodeList<Parameter> parameters = n.getParameters(); |
| 1728 | final boolean printPar = n.isEnclosingParameters(); |
| 1729 | |
| 1730 | if (printPar) { |
| 1731 | printer.print("("); |
| 1732 | } |
| 1733 | for (Iterator<Parameter> i = parameters.iterator(); i.hasNext(); ) { |
| 1734 | Parameter p = i.next(); |
| 1735 | p.accept(this, arg); |
| 1736 | if (i.hasNext()) { |
| 1737 | printer.print(", "); |
| 1738 | } |
| 1739 | } |
| 1740 | if (printPar) { |
| 1741 | printer.print(")"); |
| 1742 | } |
| 1743 | |
| 1744 | printer.print(" -> "); |
| 1745 | final Statement body = n.getBody(); |
| 1746 | if (body instanceof ExpressionStmt) { |
| 1747 | // Print the expression directly |
| 1748 | ((ExpressionStmt) body).getExpression().accept(this, arg); |
| 1749 | } else { |
| 1750 | body.accept(this, arg); |
| 1751 | } |
| 1752 | } |
| 1753 | |
| 1754 | @Override |
| 1755 | public void visit(MethodReferenceExpr n, Void arg) { |
| 1756 | printOrphanCommentsBeforeThisChildNode(n); |
| 1757 | printComment(n.getComment(), arg); |
| 1758 | Expression scope = n.getScope(); |
| 1759 | String identifier = n.getIdentifier(); |
| 1760 | if (scope != null) { |
| 1761 | n.getScope().accept(this, arg); |
| 1762 | } |
| 1763 | |
| 1764 | printer.print("::"); |
| 1765 | printTypeArgs(n, arg); |
| 1766 | if (identifier != null) { |
| 1767 | printer.print(identifier); |
| 1768 | } |
| 1769 | } |
| 1770 | |
| 1771 | @Override |
| 1772 | public void visit(TypeExpr n, Void arg) { |
| 1773 | printOrphanCommentsBeforeThisChildNode(n); |
| 1774 | printComment(n.getComment(), arg); |
| 1775 | if (n.getType() != null) { |
| 1776 | n.getType().accept(this, arg); |
| 1777 | } |
| 1778 | } |
| 1779 | |
| 1780 | @Override |
| 1781 | public void visit(NodeList n, Void arg) { |
| 1782 | if (configuration.isOrderImports() && n.size() > 0 && n.get(0) instanceof ImportDeclaration) { |
| 1783 | //noinspection unchecked |
| 1784 | NodeList<ImportDeclaration> modifiableList = new NodeList<>(n); |
| 1785 | modifiableList.sort( |
| 1786 | comparingInt((ImportDeclaration i) -> i.isStatic() ? 0 : 1) |
| 1787 | .thenComparing(NodeWithName::getNameAsString)); |
| 1788 | for (Object node : modifiableList) { |
| 1789 | ((Node) node).accept(this, arg); |
| 1790 | } |
| 1791 | } else { |
| 1792 | for (Object node : n) { |
| 1793 | ((Node) node).accept(this, arg); |
| 1794 | } |
| 1795 | } |
| 1796 | } |
| 1797 | |
| 1798 | @Override |
| 1799 | public void visit(final ImportDeclaration n, final Void arg) { |
| 1800 | printOrphanCommentsBeforeThisChildNode(n); |
| 1801 | printComment(n.getComment(), arg); |
| 1802 | printer.print("import "); |
| 1803 | if (n.isStatic()) { |
| 1804 | printer.print("static "); |
| 1805 | } |
| 1806 | n.getName().accept(this, arg); |
| 1807 | if (n.isAsterisk()) { |
| 1808 | printer.print(".*"); |
| 1809 | } |
| 1810 | printer.println(";"); |
| 1811 | |
| 1812 | printOrphanCommentsEnding(n); |
| 1813 | } |
| 1814 | |
| 1815 | |
| 1816 | @Override |
| 1817 | public void visit(ModuleDeclaration n, Void arg) { |
| 1818 | printMemberAnnotations(n.getAnnotations(), arg); |
| 1819 | if (n.isOpen()) { |
| 1820 | printer.print("open "); |
| 1821 | } |
| 1822 | printer.print("module "); |
| 1823 | n.getName().accept(this, arg); |
| 1824 | printer.println(" {").indent(); |
| 1825 | n.getDirectives().accept(this, arg); |
| 1826 | printer.unindent().println("}"); |
| 1827 | } |
| 1828 | |
| 1829 | @Override |
| 1830 | public void visit(ModuleRequiresDirective n, Void arg) { |
| 1831 | printer.print("requires "); |
| 1832 | printModifiers(n.getModifiers()); |
| 1833 | n.getName().accept(this, arg); |
| 1834 | printer.println(";"); |
| 1835 | } |
| 1836 | |
| 1837 | @Override |
| 1838 | public void visit(ModuleExportsDirective n, Void arg) { |
| 1839 | printer.print("exports "); |
| 1840 | n.getName().accept(this, arg); |
| 1841 | printPrePostFixOptionalList(n.getModuleNames(), arg, " to ", ", ", ""); |
| 1842 | printer.println(";"); |
| 1843 | } |
| 1844 | |
| 1845 | @Override |
| 1846 | public void visit(ModuleProvidesDirective n, Void arg) { |
| 1847 | printer.print("provides "); |
| 1848 | n.getName().accept(this, arg); |
| 1849 | printPrePostFixRequiredList(n.getWith(), arg, " with ", ", ", ""); |
| 1850 | printer.println(";"); |
| 1851 | } |
| 1852 | |
| 1853 | @Override |
| 1854 | public void visit(ModuleUsesDirective n, Void arg) { |
| 1855 | printer.print("uses "); |
| 1856 | n.getName().accept(this, arg); |
| 1857 | printer.println(";"); |
| 1858 | } |
| 1859 | |
| 1860 | @Override |
| 1861 | public void visit(ModuleOpensDirective n, Void arg) { |
| 1862 | printer.print("opens "); |
| 1863 | n.getName().accept(this, arg); |
| 1864 | printPrePostFixOptionalList(n.getModuleNames(), arg, " to ", ", ", ""); |
| 1865 | printer.println(";"); |
| 1866 | } |
| 1867 | |
| 1868 | @Override |
| 1869 | public void visit(UnparsableStmt n, Void arg) { |
| 1870 | printer.print("???;"); |
| 1871 | } |
| 1872 | |
| 1873 | private void printOrphanCommentsBeforeThisChildNode(final Node node) { |
| 1874 | if (configuration.isIgnoreComments()) return; |
| 1875 | if (node instanceof Comment) return; |
| 1876 | |
| 1877 | Node parent = node.getParentNode().orElse(null); |
| 1878 | if (parent == null) return; |
| 1879 | List<Node> everything = new ArrayList<>(parent.getChildNodes()); |
| 1880 | sortByBeginPosition(everything); |
| 1881 | int positionOfTheChild = -1; |
| 1882 | for (int i = 0; i < everything.size(); ++i) { // indexOf is by equality, so this is used to index by identity |
| 1883 | if (everything.get(i) == node) { |
| 1884 | positionOfTheChild = i; |
| 1885 | break; |
| 1886 | } |
| 1887 | } |
| 1888 | if (positionOfTheChild == -1) { |
| 1889 | throw new AssertionError("I am not a child of my parent."); |
| 1890 | } |
| 1891 | int positionOfPreviousChild = -1; |
| 1892 | for (int i = positionOfTheChild - 1; i >= 0 && positionOfPreviousChild == -1; i--) { |
| 1893 | if (!(everything.get(i) instanceof Comment)) positionOfPreviousChild = i; |
| 1894 | } |
| 1895 | for (int i = positionOfPreviousChild + 1; i < positionOfTheChild; i++) { |
| 1896 | Node nodeToPrint = everything.get(i); |
| 1897 | if (!(nodeToPrint instanceof Comment)) |
| 1898 | throw new RuntimeException( |
| 1899 | "Expected comment, instead " + nodeToPrint.getClass() + ". Position of previous child: " |
| 1900 | + positionOfPreviousChild + ", position of child " + positionOfTheChild); |
| 1901 | nodeToPrint.accept(this, null); |
| 1902 | } |
| 1903 | } |
| 1904 | |
| 1905 | private void printOrphanCommentsEnding(final Node node) { |
| 1906 | if (configuration.isIgnoreComments()) return; |
| 1907 | |
| 1908 | // extract all nodes for which the position/range is indicated to avoid to skip orphan comments |
| 1909 | List<Node> everything = node.getChildNodes().stream().filter(n->n.getRange().isPresent()).collect(Collectors.toList()); |
| 1910 | sortByBeginPosition(everything); |
| 1911 | if (everything.isEmpty()) { |
| 1912 | return; |
| 1913 | } |
| 1914 | |
| 1915 | int commentsAtEnd = 0; |
| 1916 | boolean findingComments = true; |
| 1917 | while (findingComments && commentsAtEnd < everything.size()) { |
| 1918 | Node last = everything.get(everything.size() - 1 - commentsAtEnd); |
| 1919 | findingComments = (last instanceof Comment); |
| 1920 | if (findingComments) { |
| 1921 | commentsAtEnd++; |
| 1922 | } |
| 1923 | } |
| 1924 | for (int i = 0; i < commentsAtEnd; i++) { |
| 1925 | everything.get(everything.size() - commentsAtEnd + i).accept(this, null); |
| 1926 | } |
| 1927 | } |
| 1928 | private void indentIf(boolean expr){ |
| 1929 | if(expr) |
| 1930 | printer.indent(); |
| 1931 | } |
| 1932 | private void unindentIf(boolean expr){ |
| 1933 | if(expr) |
| 1934 | printer.unindent(); |
| 1935 | } |
| 1936 | } |
| 1937 |
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