Tue, 08 Nov 2011 11:51:05 -0800
6921494: provide way to print javac tree tag values
Reviewed-by: jjg, mcimadamore
Contributed-by: vicenterz@yahoo.es
duke@1 | 1 | /* |
darcy@1042 | 2 | * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javac.processing; |
duke@1 | 27 | |
duke@1 | 28 | import javax.annotation.processing.*; |
duke@1 | 29 | import javax.lang.model.*; |
duke@1 | 30 | import javax.lang.model.element.*; |
duke@1 | 31 | import static javax.lang.model.element.ElementKind.*; |
duke@1 | 32 | import static javax.lang.model.element.NestingKind.*; |
duke@1 | 33 | import javax.lang.model.type.*; |
duke@1 | 34 | import javax.lang.model.util.*; |
duke@1 | 35 | |
duke@1 | 36 | import java.io.PrintWriter; |
duke@1 | 37 | import java.io.Writer; |
duke@1 | 38 | import java.util.*; |
duke@1 | 39 | |
duke@1 | 40 | /** |
duke@1 | 41 | * A processor which prints out elements. Used to implement the |
duke@1 | 42 | * -Xprint option; the included visitor class is used to implement |
duke@1 | 43 | * Elements.printElements. |
duke@1 | 44 | * |
jjg@581 | 45 | * <p><b>This is NOT part of any supported API. |
duke@1 | 46 | * If you write code that depends on this, you do so at your own risk. |
duke@1 | 47 | * This code and its internal interfaces are subject to change or |
duke@1 | 48 | * deletion without notice.</b> |
duke@1 | 49 | */ |
duke@1 | 50 | @SupportedAnnotationTypes("*") |
darcy@1042 | 51 | @SupportedSourceVersion(SourceVersion.RELEASE_8) |
duke@1 | 52 | public class PrintingProcessor extends AbstractProcessor { |
duke@1 | 53 | PrintWriter writer; |
duke@1 | 54 | |
duke@1 | 55 | public PrintingProcessor() { |
duke@1 | 56 | super(); |
duke@1 | 57 | writer = new PrintWriter(System.out); |
duke@1 | 58 | } |
duke@1 | 59 | |
duke@1 | 60 | public void setWriter(Writer w) { |
duke@1 | 61 | writer = new PrintWriter(w); |
duke@1 | 62 | } |
duke@1 | 63 | |
duke@1 | 64 | @Override |
duke@1 | 65 | public boolean process(Set<? extends TypeElement> tes, |
duke@1 | 66 | RoundEnvironment renv) { |
duke@1 | 67 | |
duke@1 | 68 | for(Element element : renv.getRootElements()) { |
duke@1 | 69 | print(element); |
duke@1 | 70 | } |
duke@1 | 71 | |
duke@1 | 72 | // Just print the elements, nothing more to do. |
duke@1 | 73 | return true; |
duke@1 | 74 | } |
duke@1 | 75 | |
duke@1 | 76 | void print(Element element) { |
duke@1 | 77 | new PrintingElementVisitor(writer, processingEnv.getElementUtils()). |
duke@1 | 78 | visit(element).flush(); |
duke@1 | 79 | } |
duke@1 | 80 | |
duke@1 | 81 | /** |
duke@1 | 82 | * Used for the -Xprint option and called by Elements.printElements |
duke@1 | 83 | */ |
duke@1 | 84 | public static class PrintingElementVisitor |
darcy@1054 | 85 | extends SimpleElementVisitor8<PrintingElementVisitor, Boolean> { |
duke@1 | 86 | int indentation; // Indentation level; |
duke@1 | 87 | final PrintWriter writer; |
duke@1 | 88 | final Elements elementUtils; |
duke@1 | 89 | |
duke@1 | 90 | public PrintingElementVisitor(Writer w, Elements elementUtils) { |
duke@1 | 91 | super(); |
duke@1 | 92 | this.writer = new PrintWriter(w); |
duke@1 | 93 | this.elementUtils = elementUtils; |
duke@1 | 94 | indentation = 0; |
duke@1 | 95 | } |
duke@1 | 96 | |
duke@1 | 97 | @Override |
duke@1 | 98 | protected PrintingElementVisitor defaultAction(Element e, Boolean newLine) { |
duke@1 | 99 | if (newLine != null && newLine) |
duke@1 | 100 | writer.println(); |
duke@1 | 101 | printDocComment(e); |
duke@1 | 102 | printModifiers(e); |
duke@1 | 103 | return this; |
duke@1 | 104 | } |
duke@1 | 105 | |
duke@1 | 106 | @Override |
duke@1 | 107 | public PrintingElementVisitor visitExecutable(ExecutableElement e, Boolean p) { |
duke@1 | 108 | ElementKind kind = e.getKind(); |
duke@1 | 109 | |
duke@1 | 110 | if (kind != STATIC_INIT && |
duke@1 | 111 | kind != INSTANCE_INIT) { |
duke@1 | 112 | Element enclosing = e.getEnclosingElement(); |
duke@1 | 113 | |
duke@1 | 114 | // Don't print out the constructor of an anonymous class |
duke@1 | 115 | if (kind == CONSTRUCTOR && |
duke@1 | 116 | enclosing != null && |
duke@1 | 117 | NestingKind.ANONYMOUS == |
duke@1 | 118 | // Use an anonymous class to determine anonymity! |
darcy@575 | 119 | (new SimpleElementVisitor7<NestingKind, Void>() { |
duke@1 | 120 | @Override |
duke@1 | 121 | public NestingKind visitType(TypeElement e, Void p) { |
duke@1 | 122 | return e.getNestingKind(); |
duke@1 | 123 | } |
duke@1 | 124 | }).visit(enclosing)) |
duke@1 | 125 | return this; |
duke@1 | 126 | |
duke@1 | 127 | defaultAction(e, true); |
darcy@224 | 128 | printFormalTypeParameters(e, true); |
duke@1 | 129 | |
duke@1 | 130 | switch(kind) { |
duke@1 | 131 | case CONSTRUCTOR: |
duke@1 | 132 | // Print out simple name of the class |
duke@1 | 133 | writer.print(e.getEnclosingElement().getSimpleName()); |
duke@1 | 134 | break; |
duke@1 | 135 | |
duke@1 | 136 | case METHOD: |
duke@1 | 137 | writer.print(e.getReturnType().toString()); |
duke@1 | 138 | writer.print(" "); |
duke@1 | 139 | writer.print(e.getSimpleName().toString()); |
duke@1 | 140 | break; |
duke@1 | 141 | } |
duke@1 | 142 | |
duke@1 | 143 | writer.print("("); |
duke@1 | 144 | printParameters(e); |
duke@1 | 145 | writer.print(")"); |
duke@1 | 146 | AnnotationValue defaultValue = e.getDefaultValue(); |
duke@1 | 147 | if (defaultValue != null) |
duke@1 | 148 | writer.print(" default " + defaultValue); |
duke@1 | 149 | |
duke@1 | 150 | printThrows(e); |
duke@1 | 151 | writer.println(";"); |
duke@1 | 152 | } |
duke@1 | 153 | return this; |
duke@1 | 154 | } |
duke@1 | 155 | |
duke@1 | 156 | |
duke@1 | 157 | @Override |
duke@1 | 158 | public PrintingElementVisitor visitType(TypeElement e, Boolean p) { |
duke@1 | 159 | ElementKind kind = e.getKind(); |
duke@1 | 160 | NestingKind nestingKind = e.getNestingKind(); |
duke@1 | 161 | |
duke@1 | 162 | if (NestingKind.ANONYMOUS == nestingKind) { |
duke@1 | 163 | // Print out an anonymous class in the style of a |
duke@1 | 164 | // class instance creation expression rather than a |
duke@1 | 165 | // class declaration. |
duke@1 | 166 | writer.print("new "); |
duke@1 | 167 | |
duke@1 | 168 | // If the anonymous class implements an interface |
duke@1 | 169 | // print that name, otherwise print the superclass. |
duke@1 | 170 | List<? extends TypeMirror> interfaces = e.getInterfaces(); |
duke@1 | 171 | if (!interfaces.isEmpty()) |
duke@1 | 172 | writer.print(interfaces.get(0)); |
duke@1 | 173 | else |
duke@1 | 174 | writer.print(e.getSuperclass()); |
duke@1 | 175 | |
duke@1 | 176 | writer.print("("); |
duke@1 | 177 | // Anonymous classes that implement an interface can't |
duke@1 | 178 | // have any constructor arguments. |
duke@1 | 179 | if (interfaces.isEmpty()) { |
duke@1 | 180 | // Print out the parameter list from the sole |
duke@1 | 181 | // constructor. For now, don't try to elide any |
duke@1 | 182 | // synthetic parameters by determining if the |
duke@1 | 183 | // anonymous class is in a static context, etc. |
duke@1 | 184 | List<? extends ExecutableElement> constructors = |
duke@1 | 185 | ElementFilter.constructorsIn(e.getEnclosedElements()); |
duke@1 | 186 | |
duke@1 | 187 | if (!constructors.isEmpty()) |
duke@1 | 188 | printParameters(constructors.get(0)); |
duke@1 | 189 | } |
duke@1 | 190 | writer.print(")"); |
duke@1 | 191 | } else { |
duke@1 | 192 | if (nestingKind == TOP_LEVEL) { |
duke@1 | 193 | PackageElement pkg = elementUtils.getPackageOf(e); |
duke@1 | 194 | if (!pkg.isUnnamed()) |
duke@1 | 195 | writer.print("package " + pkg.getQualifiedName() + ";\n"); |
duke@1 | 196 | } |
duke@1 | 197 | |
duke@1 | 198 | defaultAction(e, true); |
duke@1 | 199 | |
duke@1 | 200 | switch(kind) { |
duke@1 | 201 | case ANNOTATION_TYPE: |
duke@1 | 202 | writer.print("@interface"); |
duke@1 | 203 | break; |
duke@1 | 204 | default: |
duke@1 | 205 | writer.print(kind.toString().toLowerCase()); |
duke@1 | 206 | } |
duke@1 | 207 | writer.print(" "); |
duke@1 | 208 | writer.print(e.getSimpleName()); |
duke@1 | 209 | |
darcy@224 | 210 | printFormalTypeParameters(e, false); |
duke@1 | 211 | |
duke@1 | 212 | // Print superclass information if informative |
duke@1 | 213 | if (kind == CLASS) { |
duke@1 | 214 | TypeMirror supertype = e.getSuperclass(); |
duke@1 | 215 | if (supertype.getKind() != TypeKind.NONE) { |
duke@1 | 216 | TypeElement e2 = (TypeElement) |
duke@1 | 217 | ((DeclaredType) supertype).asElement(); |
duke@1 | 218 | if (e2.getSuperclass().getKind() != TypeKind.NONE) |
duke@1 | 219 | writer.print(" extends " + supertype); |
duke@1 | 220 | } |
duke@1 | 221 | } |
duke@1 | 222 | |
duke@1 | 223 | printInterfaces(e); |
duke@1 | 224 | } |
duke@1 | 225 | writer.println(" {"); |
duke@1 | 226 | indentation++; |
duke@1 | 227 | |
duke@1 | 228 | if (kind == ENUM) { |
duke@1 | 229 | List<Element> enclosedElements = |
duke@1 | 230 | new ArrayList<Element>(e.getEnclosedElements()); |
darcy@530 | 231 | // Handle any enum constants specially before other entities. |
duke@1 | 232 | List<Element> enumConstants = new ArrayList<Element>(); |
duke@1 | 233 | for(Element element : enclosedElements) { |
duke@1 | 234 | if (element.getKind() == ENUM_CONSTANT) |
duke@1 | 235 | enumConstants.add(element); |
duke@1 | 236 | } |
darcy@530 | 237 | if (!enumConstants.isEmpty()) { |
darcy@530 | 238 | int i; |
darcy@530 | 239 | for(i = 0; i < enumConstants.size()-1; i++) { |
darcy@530 | 240 | this.visit(enumConstants.get(i), true); |
darcy@530 | 241 | writer.print(","); |
darcy@530 | 242 | } |
darcy@530 | 243 | this.visit(enumConstants.get(i), true); |
darcy@530 | 244 | writer.println(";\n"); |
duke@1 | 245 | |
darcy@530 | 246 | enclosedElements.removeAll(enumConstants); |
duke@1 | 247 | } |
duke@1 | 248 | |
duke@1 | 249 | for(Element element : enclosedElements) |
duke@1 | 250 | this.visit(element); |
duke@1 | 251 | } else { |
duke@1 | 252 | for(Element element : e.getEnclosedElements()) |
duke@1 | 253 | this.visit(element); |
duke@1 | 254 | } |
duke@1 | 255 | |
duke@1 | 256 | indentation--; |
duke@1 | 257 | indent(); |
duke@1 | 258 | writer.println("}"); |
duke@1 | 259 | return this; |
duke@1 | 260 | } |
duke@1 | 261 | |
duke@1 | 262 | @Override |
duke@1 | 263 | public PrintingElementVisitor visitVariable(VariableElement e, Boolean newLine) { |
duke@1 | 264 | ElementKind kind = e.getKind(); |
duke@1 | 265 | defaultAction(e, newLine); |
duke@1 | 266 | |
duke@1 | 267 | if (kind == ENUM_CONSTANT) |
duke@1 | 268 | writer.print(e.getSimpleName()); |
duke@1 | 269 | else { |
duke@1 | 270 | writer.print(e.asType().toString() + " " + e.getSimpleName() ); |
duke@1 | 271 | Object constantValue = e.getConstantValue(); |
duke@1 | 272 | if (constantValue != null) { |
duke@1 | 273 | writer.print(" = "); |
duke@1 | 274 | writer.print(elementUtils.getConstantExpression(constantValue)); |
duke@1 | 275 | } |
duke@1 | 276 | writer.println(";"); |
duke@1 | 277 | } |
duke@1 | 278 | return this; |
duke@1 | 279 | } |
duke@1 | 280 | |
duke@1 | 281 | @Override |
duke@1 | 282 | public PrintingElementVisitor visitTypeParameter(TypeParameterElement e, Boolean p) { |
duke@1 | 283 | writer.print(e.getSimpleName()); |
duke@1 | 284 | return this; |
duke@1 | 285 | } |
duke@1 | 286 | |
duke@1 | 287 | // Should we do more here? |
duke@1 | 288 | @Override |
duke@1 | 289 | public PrintingElementVisitor visitPackage(PackageElement e, Boolean p) { |
duke@1 | 290 | defaultAction(e, false); |
duke@1 | 291 | if (!e.isUnnamed()) |
duke@1 | 292 | writer.println("package " + e.getQualifiedName() + ";"); |
duke@1 | 293 | else |
duke@1 | 294 | writer.println("// Unnamed package"); |
duke@1 | 295 | return this; |
duke@1 | 296 | } |
duke@1 | 297 | |
duke@1 | 298 | public void flush() { |
duke@1 | 299 | writer.flush(); |
duke@1 | 300 | } |
duke@1 | 301 | |
duke@1 | 302 | private void printDocComment(Element e) { |
duke@1 | 303 | String docComment = elementUtils.getDocComment(e); |
duke@1 | 304 | |
duke@1 | 305 | if (docComment != null) { |
duke@1 | 306 | // Break comment into lines |
duke@1 | 307 | java.util.StringTokenizer st = new StringTokenizer(docComment, |
duke@1 | 308 | "\n\r"); |
duke@1 | 309 | indent(); |
duke@1 | 310 | writer.println("/**"); |
duke@1 | 311 | |
duke@1 | 312 | while(st.hasMoreTokens()) { |
duke@1 | 313 | indent(); |
duke@1 | 314 | writer.print(" *"); |
duke@1 | 315 | writer.println(st.nextToken()); |
duke@1 | 316 | } |
duke@1 | 317 | |
duke@1 | 318 | indent(); |
duke@1 | 319 | writer.println(" */"); |
duke@1 | 320 | } |
duke@1 | 321 | } |
duke@1 | 322 | |
duke@1 | 323 | private void printModifiers(Element e) { |
duke@1 | 324 | ElementKind kind = e.getKind(); |
duke@1 | 325 | if (kind == PARAMETER) { |
duke@1 | 326 | printAnnotationsInline(e); |
duke@1 | 327 | } else { |
duke@1 | 328 | printAnnotations(e); |
duke@1 | 329 | indent(); |
duke@1 | 330 | } |
duke@1 | 331 | |
duke@1 | 332 | if (kind == ENUM_CONSTANT) |
duke@1 | 333 | return; |
duke@1 | 334 | |
duke@1 | 335 | Set<Modifier> modifiers = new LinkedHashSet<Modifier>(); |
duke@1 | 336 | modifiers.addAll(e.getModifiers()); |
duke@1 | 337 | |
duke@1 | 338 | switch (kind) { |
duke@1 | 339 | case ANNOTATION_TYPE: |
duke@1 | 340 | case INTERFACE: |
duke@1 | 341 | modifiers.remove(Modifier.ABSTRACT); |
duke@1 | 342 | break; |
duke@1 | 343 | |
duke@1 | 344 | case ENUM: |
duke@1 | 345 | modifiers.remove(Modifier.FINAL); |
duke@1 | 346 | modifiers.remove(Modifier.ABSTRACT); |
duke@1 | 347 | break; |
duke@1 | 348 | |
duke@1 | 349 | case METHOD: |
duke@1 | 350 | case FIELD: |
duke@1 | 351 | Element enclosingElement = e.getEnclosingElement(); |
duke@1 | 352 | if (enclosingElement != null && |
duke@1 | 353 | enclosingElement.getKind().isInterface()) { |
duke@1 | 354 | modifiers.remove(Modifier.PUBLIC); |
duke@1 | 355 | modifiers.remove(Modifier.ABSTRACT); // only for methods |
duke@1 | 356 | modifiers.remove(Modifier.STATIC); // only for fields |
duke@1 | 357 | modifiers.remove(Modifier.FINAL); // only for fields |
duke@1 | 358 | } |
duke@1 | 359 | break; |
duke@1 | 360 | |
duke@1 | 361 | } |
duke@1 | 362 | |
duke@1 | 363 | for(Modifier m: modifiers) { |
duke@1 | 364 | writer.print(m.toString() + " "); |
duke@1 | 365 | } |
duke@1 | 366 | } |
duke@1 | 367 | |
darcy@224 | 368 | private void printFormalTypeParameters(Parameterizable e, |
duke@1 | 369 | boolean pad) { |
darcy@224 | 370 | List<? extends TypeParameterElement> typeParams = e.getTypeParameters(); |
duke@1 | 371 | if (typeParams.size() > 0) { |
duke@1 | 372 | writer.print("<"); |
duke@1 | 373 | |
duke@1 | 374 | boolean first = true; |
duke@1 | 375 | for(TypeParameterElement tpe: typeParams) { |
duke@1 | 376 | if (!first) |
duke@1 | 377 | writer.print(", "); |
darcy@381 | 378 | printAnnotationsInline(tpe); |
duke@1 | 379 | writer.print(tpe.toString()); |
duke@1 | 380 | first = false; |
duke@1 | 381 | } |
duke@1 | 382 | |
duke@1 | 383 | writer.print(">"); |
duke@1 | 384 | if (pad) |
duke@1 | 385 | writer.print(" "); |
duke@1 | 386 | } |
duke@1 | 387 | } |
duke@1 | 388 | |
duke@1 | 389 | private void printAnnotationsInline(Element e) { |
duke@1 | 390 | List<? extends AnnotationMirror> annots = e.getAnnotationMirrors(); |
duke@1 | 391 | for(AnnotationMirror annotationMirror : annots) { |
duke@1 | 392 | writer.print(annotationMirror); |
duke@1 | 393 | writer.print(" "); |
duke@1 | 394 | } |
duke@1 | 395 | } |
duke@1 | 396 | |
duke@1 | 397 | private void printAnnotations(Element e) { |
duke@1 | 398 | List<? extends AnnotationMirror> annots = e.getAnnotationMirrors(); |
duke@1 | 399 | for(AnnotationMirror annotationMirror : annots) { |
duke@1 | 400 | indent(); |
duke@1 | 401 | writer.println(annotationMirror); |
duke@1 | 402 | } |
duke@1 | 403 | } |
duke@1 | 404 | |
duke@1 | 405 | // TODO: Refactor |
duke@1 | 406 | private void printParameters(ExecutableElement e) { |
duke@1 | 407 | List<? extends VariableElement> parameters = e.getParameters(); |
duke@1 | 408 | int size = parameters.size(); |
duke@1 | 409 | |
duke@1 | 410 | switch (size) { |
duke@1 | 411 | case 0: |
duke@1 | 412 | break; |
duke@1 | 413 | |
duke@1 | 414 | case 1: |
duke@1 | 415 | for(VariableElement parameter: parameters) { |
duke@1 | 416 | printModifiers(parameter); |
duke@1 | 417 | |
duke@1 | 418 | if (e.isVarArgs() ) { |
duke@1 | 419 | TypeMirror tm = parameter.asType(); |
duke@1 | 420 | if (tm.getKind() != TypeKind.ARRAY) |
duke@1 | 421 | throw new AssertionError("Var-args parameter is not an array type: " + tm); |
duke@1 | 422 | writer.print((ArrayType.class.cast(tm)).getComponentType() ); |
duke@1 | 423 | writer.print("..."); |
duke@1 | 424 | } else |
duke@1 | 425 | writer.print(parameter.asType()); |
duke@1 | 426 | writer.print(" " + parameter.getSimpleName()); |
duke@1 | 427 | } |
duke@1 | 428 | break; |
duke@1 | 429 | |
duke@1 | 430 | default: |
duke@1 | 431 | { |
duke@1 | 432 | int i = 1; |
duke@1 | 433 | for(VariableElement parameter: parameters) { |
duke@1 | 434 | if (i == 2) |
duke@1 | 435 | indentation++; |
duke@1 | 436 | |
duke@1 | 437 | if (i > 1) |
duke@1 | 438 | indent(); |
duke@1 | 439 | |
duke@1 | 440 | printModifiers(parameter); |
duke@1 | 441 | |
duke@1 | 442 | if (i == size && e.isVarArgs() ) { |
duke@1 | 443 | TypeMirror tm = parameter.asType(); |
duke@1 | 444 | if (tm.getKind() != TypeKind.ARRAY) |
duke@1 | 445 | throw new AssertionError("Var-args parameter is not an array type: " + tm); |
duke@1 | 446 | writer.print((ArrayType.class.cast(tm)).getComponentType() ); |
duke@1 | 447 | |
duke@1 | 448 | writer.print("..."); |
duke@1 | 449 | } else |
duke@1 | 450 | writer.print(parameter.asType()); |
duke@1 | 451 | writer.print(" " + parameter.getSimpleName()); |
duke@1 | 452 | |
duke@1 | 453 | if (i < size) |
duke@1 | 454 | writer.println(","); |
duke@1 | 455 | |
duke@1 | 456 | i++; |
duke@1 | 457 | } |
duke@1 | 458 | |
duke@1 | 459 | if (parameters.size() >= 2) |
duke@1 | 460 | indentation--; |
duke@1 | 461 | } |
duke@1 | 462 | break; |
duke@1 | 463 | } |
duke@1 | 464 | } |
duke@1 | 465 | |
duke@1 | 466 | private void printInterfaces(TypeElement e) { |
duke@1 | 467 | ElementKind kind = e.getKind(); |
duke@1 | 468 | |
duke@1 | 469 | if(kind != ANNOTATION_TYPE) { |
duke@1 | 470 | List<? extends TypeMirror> interfaces = e.getInterfaces(); |
duke@1 | 471 | if (interfaces.size() > 0) { |
duke@1 | 472 | writer.print((kind.isClass() ? " implements" : " extends")); |
duke@1 | 473 | |
duke@1 | 474 | boolean first = true; |
duke@1 | 475 | for(TypeMirror interf: interfaces) { |
duke@1 | 476 | if (!first) |
duke@1 | 477 | writer.print(","); |
duke@1 | 478 | writer.print(" "); |
duke@1 | 479 | writer.print(interf.toString()); |
duke@1 | 480 | first = false; |
duke@1 | 481 | } |
duke@1 | 482 | } |
duke@1 | 483 | } |
duke@1 | 484 | } |
duke@1 | 485 | |
duke@1 | 486 | private void printThrows(ExecutableElement e) { |
duke@1 | 487 | List<? extends TypeMirror> thrownTypes = e.getThrownTypes(); |
duke@1 | 488 | final int size = thrownTypes.size(); |
duke@1 | 489 | if (size != 0) { |
duke@1 | 490 | writer.print(" throws"); |
duke@1 | 491 | |
duke@1 | 492 | int i = 1; |
duke@1 | 493 | for(TypeMirror thrownType: thrownTypes) { |
duke@1 | 494 | if (i == 1) |
duke@1 | 495 | writer.print(" "); |
duke@1 | 496 | |
duke@1 | 497 | if (i == 2) |
duke@1 | 498 | indentation++; |
duke@1 | 499 | |
duke@1 | 500 | if (i >= 2) |
duke@1 | 501 | indent(); |
duke@1 | 502 | |
duke@1 | 503 | writer.print(thrownType); |
duke@1 | 504 | |
duke@1 | 505 | if (i != size) |
duke@1 | 506 | writer.println(", "); |
duke@1 | 507 | |
duke@1 | 508 | i++; |
duke@1 | 509 | } |
duke@1 | 510 | |
duke@1 | 511 | if (size >= 2) |
duke@1 | 512 | indentation--; |
duke@1 | 513 | } |
duke@1 | 514 | } |
duke@1 | 515 | |
duke@1 | 516 | private static final String [] spaces = { |
duke@1 | 517 | "", |
duke@1 | 518 | " ", |
duke@1 | 519 | " ", |
duke@1 | 520 | " ", |
duke@1 | 521 | " ", |
duke@1 | 522 | " ", |
duke@1 | 523 | " ", |
duke@1 | 524 | " ", |
duke@1 | 525 | " ", |
duke@1 | 526 | " ", |
duke@1 | 527 | " " |
duke@1 | 528 | }; |
duke@1 | 529 | |
duke@1 | 530 | private void indent() { |
duke@1 | 531 | int indentation = this.indentation; |
duke@1 | 532 | if (indentation < 0) |
duke@1 | 533 | return; |
duke@1 | 534 | final int maxIndex = spaces.length - 1; |
duke@1 | 535 | |
duke@1 | 536 | while (indentation > maxIndex) { |
duke@1 | 537 | writer.print(spaces[maxIndex]); |
duke@1 | 538 | indentation -= maxIndex; |
duke@1 | 539 | } |
duke@1 | 540 | writer.print(spaces[indentation]); |
duke@1 | 541 | } |
duke@1 | 542 | |
duke@1 | 543 | } |
duke@1 | 544 | } |