Thu, 31 Aug 2017 15:17:03 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | import java.io.File; |
aoqi@0 | 25 | import java.io.IOException; |
aoqi@0 | 26 | import java.io.PrintWriter; |
aoqi@0 | 27 | import java.lang.reflect.Field; |
aoqi@0 | 28 | import java.util.ArrayList; |
aoqi@0 | 29 | import java.util.Arrays; |
aoqi@0 | 30 | import java.util.Collection; |
aoqi@0 | 31 | import java.util.EnumSet; |
aoqi@0 | 32 | import java.util.HashMap; |
aoqi@0 | 33 | import java.util.List; |
aoqi@0 | 34 | import java.util.Locale; |
aoqi@0 | 35 | import java.util.Map; |
aoqi@0 | 36 | import java.util.Set; |
aoqi@0 | 37 | |
aoqi@0 | 38 | import javax.lang.model.element.Name; |
aoqi@0 | 39 | import javax.lang.model.element.TypeElement; |
aoqi@0 | 40 | import javax.tools.FileObject; |
aoqi@0 | 41 | import javax.tools.JavaCompiler; |
aoqi@0 | 42 | import javax.tools.JavaFileObject; |
aoqi@0 | 43 | import javax.tools.StandardJavaFileManager; |
aoqi@0 | 44 | import javax.tools.StandardLocation; |
aoqi@0 | 45 | import javax.tools.ToolProvider; |
aoqi@0 | 46 | |
aoqi@0 | 47 | import com.sun.source.util.JavacTask; |
aoqi@0 | 48 | import com.sun.source.util.TaskEvent; |
aoqi@0 | 49 | import com.sun.source.util.TaskListener; |
aoqi@0 | 50 | import com.sun.source.util.Trees; |
aoqi@0 | 51 | import com.sun.tools.javac.api.JavacTrees; |
aoqi@0 | 52 | import com.sun.tools.javac.code.SymbolMetadata; |
aoqi@0 | 53 | import com.sun.tools.javac.code.Attribute; |
aoqi@0 | 54 | import com.sun.tools.javac.code.Flags; |
aoqi@0 | 55 | import com.sun.tools.javac.code.Kinds; |
aoqi@0 | 56 | import com.sun.tools.javac.code.Printer; |
aoqi@0 | 57 | import com.sun.tools.javac.code.Scope; |
aoqi@0 | 58 | import com.sun.tools.javac.code.Scope.CompoundScope; |
aoqi@0 | 59 | import com.sun.tools.javac.code.Symbol; |
aoqi@0 | 60 | import com.sun.tools.javac.code.Symbol.*; |
aoqi@0 | 61 | import com.sun.tools.javac.code.Type; |
aoqi@0 | 62 | import com.sun.tools.javac.code.Type.*; |
aoqi@0 | 63 | import com.sun.tools.javac.code.TypeTag; |
aoqi@0 | 64 | import com.sun.tools.javac.tree.JCTree; |
aoqi@0 | 65 | import com.sun.tools.javac.tree.JCTree.*; |
aoqi@0 | 66 | import com.sun.tools.javac.tree.Pretty; |
aoqi@0 | 67 | import com.sun.tools.javac.tree.TreeInfo; |
aoqi@0 | 68 | import com.sun.tools.javac.tree.TreeScanner; |
aoqi@0 | 69 | import com.sun.tools.javac.util.Assert; |
aoqi@0 | 70 | import com.sun.tools.javac.util.Context; |
aoqi@0 | 71 | import com.sun.tools.javac.util.Log; |
aoqi@0 | 72 | |
aoqi@0 | 73 | |
aoqi@0 | 74 | /** |
aoqi@0 | 75 | * Debug printer for javac internals, for when toString() just isn't enough. |
aoqi@0 | 76 | * |
aoqi@0 | 77 | * <p> |
aoqi@0 | 78 | * The printer provides an API to generate structured views of javac objects, |
aoqi@0 | 79 | * such as AST nodes, symbol, types and annotations. Various aspects of the |
aoqi@0 | 80 | * output can be configured, such as whether to show nulls, empty lists, or |
aoqi@0 | 81 | * a compressed representation of the source code. Visitors are used to walk |
aoqi@0 | 82 | * object hierarchies, and can be replaced with custom visitors if the default |
aoqi@0 | 83 | * visitors are not flexible enough. |
aoqi@0 | 84 | * |
aoqi@0 | 85 | * <p> |
aoqi@0 | 86 | * In general, nodes are printed with an initial line identifying the node |
aoqi@0 | 87 | * followed by indented lines for the child nodes. Currently, graphs are |
aoqi@0 | 88 | * represented by printing a spanning subtree. |
aoqi@0 | 89 | * |
aoqi@0 | 90 | * <p> |
aoqi@0 | 91 | * The printer can be accessed via a simple command-line utility, |
aoqi@0 | 92 | * which makes it easy to see the internal representation of source code, |
aoqi@0 | 93 | * such as simple test programs, during the compilation pipeline. |
aoqi@0 | 94 | * |
aoqi@0 | 95 | * <p><b>This is NOT part of any supported API. |
aoqi@0 | 96 | * If you write code that depends on this, you do so at your own risk. |
aoqi@0 | 97 | * This code and its internal interfaces are subject to change or |
aoqi@0 | 98 | * deletion without notice.</b> |
aoqi@0 | 99 | */ |
aoqi@0 | 100 | |
aoqi@0 | 101 | public class DPrinter { |
aoqi@0 | 102 | protected final PrintWriter out; |
aoqi@0 | 103 | protected final Trees trees; |
aoqi@0 | 104 | protected Printer printer; |
aoqi@0 | 105 | protected boolean showEmptyItems = true; |
aoqi@0 | 106 | protected boolean showNulls = true; |
aoqi@0 | 107 | protected boolean showPositions = false; |
aoqi@0 | 108 | protected boolean showSrc; |
aoqi@0 | 109 | protected boolean showTreeSymbols; |
aoqi@0 | 110 | protected boolean showTreeTypes; |
aoqi@0 | 111 | protected int maxSrcLength = 32; |
aoqi@0 | 112 | protected Locale locale = Locale.getDefault(); |
aoqi@0 | 113 | protected static final String NULL = "#null"; |
aoqi@0 | 114 | |
aoqi@0 | 115 | // <editor-fold defaultstate="collapsed" desc="Configuration"> |
aoqi@0 | 116 | |
aoqi@0 | 117 | public static DPrinter instance(Context context) { |
aoqi@0 | 118 | DPrinter dp = context.get(DPrinter.class); |
aoqi@0 | 119 | if (dp == null) { |
aoqi@0 | 120 | dp = new DPrinter(context); |
aoqi@0 | 121 | } |
aoqi@0 | 122 | return dp; |
aoqi@0 | 123 | |
aoqi@0 | 124 | } |
aoqi@0 | 125 | |
aoqi@0 | 126 | protected DPrinter(Context context) { |
aoqi@0 | 127 | context.put(DPrinter.class, this); |
aoqi@0 | 128 | out = context.get(Log.outKey); |
aoqi@0 | 129 | trees = JavacTrees.instance(context); |
aoqi@0 | 130 | } |
aoqi@0 | 131 | |
aoqi@0 | 132 | public DPrinter(PrintWriter out, Trees trees) { |
aoqi@0 | 133 | this.out = out; |
aoqi@0 | 134 | this.trees = trees; |
aoqi@0 | 135 | } |
aoqi@0 | 136 | |
aoqi@0 | 137 | public DPrinter emptyItems(boolean showEmptyItems) { |
aoqi@0 | 138 | this.showEmptyItems = showEmptyItems; |
aoqi@0 | 139 | return this; |
aoqi@0 | 140 | } |
aoqi@0 | 141 | |
aoqi@0 | 142 | public DPrinter nulls(boolean showNulls) { |
aoqi@0 | 143 | this.showNulls = showNulls; |
aoqi@0 | 144 | return this; |
aoqi@0 | 145 | } |
aoqi@0 | 146 | |
aoqi@0 | 147 | public DPrinter positions(boolean showPositions) { |
aoqi@0 | 148 | this.showPositions = showPositions; |
aoqi@0 | 149 | return this; |
aoqi@0 | 150 | } |
aoqi@0 | 151 | |
aoqi@0 | 152 | public DPrinter source(boolean showSrc) { |
aoqi@0 | 153 | this.showSrc = showSrc; |
aoqi@0 | 154 | return this; |
aoqi@0 | 155 | } |
aoqi@0 | 156 | |
aoqi@0 | 157 | public DPrinter source(int maxSrcLength) { |
aoqi@0 | 158 | this.showSrc = true; |
aoqi@0 | 159 | this.maxSrcLength = maxSrcLength; |
aoqi@0 | 160 | return this; |
aoqi@0 | 161 | } |
aoqi@0 | 162 | |
aoqi@0 | 163 | public DPrinter treeSymbols(boolean showTreeSymbols) { |
aoqi@0 | 164 | this.showTreeSymbols = showTreeSymbols; |
aoqi@0 | 165 | return this; |
aoqi@0 | 166 | } |
aoqi@0 | 167 | |
aoqi@0 | 168 | public DPrinter treeTypes(boolean showTreeTypes) { |
aoqi@0 | 169 | this.showTreeTypes = showTreeTypes; |
aoqi@0 | 170 | return this; |
aoqi@0 | 171 | } |
aoqi@0 | 172 | |
aoqi@0 | 173 | public DPrinter typeSymbolPrinter(Printer p) { |
aoqi@0 | 174 | printer = p; |
aoqi@0 | 175 | return this; |
aoqi@0 | 176 | } |
aoqi@0 | 177 | |
aoqi@0 | 178 | // </editor-fold> |
aoqi@0 | 179 | |
aoqi@0 | 180 | // <editor-fold defaultstate="collapsed" desc="Printing"> |
aoqi@0 | 181 | |
aoqi@0 | 182 | protected enum Details { |
aoqi@0 | 183 | /** A one-line non-recursive summary */ |
aoqi@0 | 184 | SUMMARY, |
aoqi@0 | 185 | /** Multi-line, possibly recursive. */ |
aoqi@0 | 186 | FULL |
aoqi@0 | 187 | }; |
aoqi@0 | 188 | |
aoqi@0 | 189 | public void printAnnotations(String label, SymbolMetadata annotations) { |
aoqi@0 | 190 | printAnnotations(label, annotations, Details.FULL); |
aoqi@0 | 191 | } |
aoqi@0 | 192 | |
aoqi@0 | 193 | protected void printAnnotations(String label, SymbolMetadata annotations, Details details) { |
aoqi@0 | 194 | if (annotations == null) { |
aoqi@0 | 195 | printNull(label); |
aoqi@0 | 196 | } else { |
aoqi@0 | 197 | // no SUMMARY format currently available to use |
aoqi@0 | 198 | |
aoqi@0 | 199 | // use reflection to get at private fields |
aoqi@0 | 200 | Object DECL_NOT_STARTED = getField(null, SymbolMetadata.class, "DECL_NOT_STARTED"); |
aoqi@0 | 201 | Object DECL_IN_PROGRESS = getField(null, SymbolMetadata.class, "DECL_IN_PROGRESS"); |
aoqi@0 | 202 | Object attributes = getField(annotations, SymbolMetadata.class, "attributes"); |
aoqi@0 | 203 | Object type_attributes = getField(annotations, SymbolMetadata.class, "type_attributes"); |
aoqi@0 | 204 | |
aoqi@0 | 205 | if (!showEmptyItems) { |
aoqi@0 | 206 | if (attributes instanceof List && ((List) attributes).isEmpty() |
aoqi@0 | 207 | && attributes != DECL_NOT_STARTED |
aoqi@0 | 208 | && attributes != DECL_IN_PROGRESS |
aoqi@0 | 209 | && type_attributes instanceof List && ((List) type_attributes).isEmpty()) |
aoqi@0 | 210 | return; |
aoqi@0 | 211 | } |
aoqi@0 | 212 | |
aoqi@0 | 213 | printString(label, hashString(annotations)); |
aoqi@0 | 214 | |
aoqi@0 | 215 | indent(+1); |
aoqi@0 | 216 | if (attributes == DECL_NOT_STARTED) |
aoqi@0 | 217 | printString("attributes", "DECL_NOT_STARTED"); |
aoqi@0 | 218 | else if (attributes == DECL_IN_PROGRESS) |
aoqi@0 | 219 | printString("attributes", "DECL_IN_PROGRESS"); |
aoqi@0 | 220 | else if (attributes instanceof List) |
aoqi@0 | 221 | printList("attributes", (List) attributes); |
aoqi@0 | 222 | else |
aoqi@0 | 223 | printObject("attributes", attributes, Details.SUMMARY); |
aoqi@0 | 224 | |
aoqi@0 | 225 | if (attributes instanceof List) |
aoqi@0 | 226 | printList("type_attributes", (List) type_attributes); |
aoqi@0 | 227 | else |
aoqi@0 | 228 | printObject("type_attributes", type_attributes, Details.SUMMARY); |
aoqi@0 | 229 | indent(-1); |
aoqi@0 | 230 | } |
aoqi@0 | 231 | } |
aoqi@0 | 232 | |
aoqi@0 | 233 | public void printAttribute(String label, Attribute attr) { |
aoqi@0 | 234 | if (attr == null) { |
aoqi@0 | 235 | printNull(label); |
aoqi@0 | 236 | } else { |
aoqi@0 | 237 | printString(label, attr.getClass().getSimpleName()); |
aoqi@0 | 238 | |
aoqi@0 | 239 | indent(+1); |
aoqi@0 | 240 | attr.accept(attrVisitor); |
aoqi@0 | 241 | indent(-1); |
aoqi@0 | 242 | } |
aoqi@0 | 243 | } |
aoqi@0 | 244 | |
aoqi@0 | 245 | public void printFileObject(String label, FileObject fo) { |
aoqi@0 | 246 | if (fo == null) { |
aoqi@0 | 247 | printNull(label); |
aoqi@0 | 248 | } else { |
aoqi@0 | 249 | printString(label, fo.getName()); |
aoqi@0 | 250 | } |
aoqi@0 | 251 | } |
aoqi@0 | 252 | |
aoqi@0 | 253 | protected <T> void printImplClass(T item, Class<? extends T> stdImplClass) { |
aoqi@0 | 254 | if (item.getClass() != stdImplClass) |
aoqi@0 | 255 | printString("impl", item.getClass().getName()); |
aoqi@0 | 256 | } |
aoqi@0 | 257 | |
aoqi@0 | 258 | public void printInt(String label, int i) { |
aoqi@0 | 259 | printString(label, String.valueOf(i)); |
aoqi@0 | 260 | } |
aoqi@0 | 261 | |
aoqi@0 | 262 | public void printList(String label, List<?> list) { |
aoqi@0 | 263 | if (list == null) { |
aoqi@0 | 264 | printNull(label); |
aoqi@0 | 265 | } else if (!list.isEmpty() || showEmptyItems) { |
aoqi@0 | 266 | printString(label, "[" + list.size() + "]"); |
aoqi@0 | 267 | |
aoqi@0 | 268 | indent(+1); |
aoqi@0 | 269 | int i = 0; |
aoqi@0 | 270 | for (Object item: list) { |
aoqi@0 | 271 | printObject(String.valueOf(i++), item, Details.FULL); |
aoqi@0 | 272 | } |
aoqi@0 | 273 | indent(-1); |
aoqi@0 | 274 | } |
aoqi@0 | 275 | } |
aoqi@0 | 276 | |
aoqi@0 | 277 | public void printName(String label, Name name) { |
aoqi@0 | 278 | if (name == null) { |
aoqi@0 | 279 | printNull(label); |
aoqi@0 | 280 | } else { |
aoqi@0 | 281 | printString(label, name.toString()); |
aoqi@0 | 282 | } |
aoqi@0 | 283 | } |
aoqi@0 | 284 | |
aoqi@0 | 285 | public void printNull(String label) { |
aoqi@0 | 286 | if (showNulls) |
aoqi@0 | 287 | printString(label, NULL); |
aoqi@0 | 288 | } |
aoqi@0 | 289 | |
aoqi@0 | 290 | protected void printObject(String label, Object item, Details details) { |
aoqi@0 | 291 | if (item == null) { |
aoqi@0 | 292 | printNull(label); |
aoqi@0 | 293 | } else if (item instanceof Attribute) { |
aoqi@0 | 294 | printAttribute(label, (Attribute) item); |
aoqi@0 | 295 | } else if (item instanceof Symbol) { |
aoqi@0 | 296 | printSymbol(label, (Symbol) item, details); |
aoqi@0 | 297 | } else if (item instanceof Type) { |
aoqi@0 | 298 | printType(label, (Type) item, details); |
aoqi@0 | 299 | } else if (item instanceof JCTree) { |
aoqi@0 | 300 | printTree(label, (JCTree) item); |
aoqi@0 | 301 | } else if (item instanceof List) { |
aoqi@0 | 302 | printList(label, (List) item); |
aoqi@0 | 303 | } else if (item instanceof Name) { |
aoqi@0 | 304 | printName(label, (Name) item); |
aoqi@0 | 305 | } else { |
aoqi@0 | 306 | printString(label, String.valueOf(item)); |
aoqi@0 | 307 | } |
aoqi@0 | 308 | } |
aoqi@0 | 309 | |
aoqi@0 | 310 | public void printScope(String label, Scope scope) { |
aoqi@0 | 311 | printScope(label, scope, Details.FULL); |
aoqi@0 | 312 | } |
aoqi@0 | 313 | |
aoqi@0 | 314 | public void printScope(String label, Scope scope, Details details) { |
aoqi@0 | 315 | if (scope == null) { |
aoqi@0 | 316 | printNull(label); |
aoqi@0 | 317 | } else { |
aoqi@0 | 318 | switch (details) { |
aoqi@0 | 319 | case SUMMARY: { |
aoqi@0 | 320 | indent(); |
aoqi@0 | 321 | out.print(label); |
aoqi@0 | 322 | out.print(": ["); |
aoqi@0 | 323 | String sep = ""; |
aoqi@0 | 324 | for (Symbol sym: scope.getElements()) { |
aoqi@0 | 325 | out.print(sep); |
aoqi@0 | 326 | out.print(sym.name); |
aoqi@0 | 327 | sep = ","; |
aoqi@0 | 328 | } |
aoqi@0 | 329 | out.println("]"); |
aoqi@0 | 330 | break; |
aoqi@0 | 331 | } |
aoqi@0 | 332 | |
aoqi@0 | 333 | case FULL: { |
aoqi@0 | 334 | indent(); |
aoqi@0 | 335 | out.println(label); |
aoqi@0 | 336 | |
aoqi@0 | 337 | indent(+1); |
aoqi@0 | 338 | printImplClass(scope, Scope.class); |
aoqi@0 | 339 | printSymbol("owner", scope.owner, Details.SUMMARY); |
aoqi@0 | 340 | printScope("next", scope.next, Details.SUMMARY); |
aoqi@0 | 341 | printObject("shared", getField(scope, Scope.class, "shared"), Details.SUMMARY); |
aoqi@0 | 342 | if (scope instanceof CompoundScope) { |
aoqi@0 | 343 | printObject("subScopes", |
aoqi@0 | 344 | getField(scope, CompoundScope.class, "subScopes"), |
aoqi@0 | 345 | Details.FULL); |
aoqi@0 | 346 | } else { |
aoqi@0 | 347 | for (Symbol sym : scope.getElements()) { |
aoqi@0 | 348 | printSymbol(sym.name.toString(), sym, Details.SUMMARY); |
aoqi@0 | 349 | } |
aoqi@0 | 350 | } |
aoqi@0 | 351 | indent(-1); |
aoqi@0 | 352 | break; |
aoqi@0 | 353 | } |
aoqi@0 | 354 | } |
aoqi@0 | 355 | } |
aoqi@0 | 356 | } |
aoqi@0 | 357 | |
aoqi@0 | 358 | public void printSource(String label, JCTree tree) { |
aoqi@0 | 359 | printString(label, Pretty.toSimpleString(tree, maxSrcLength)); |
aoqi@0 | 360 | } |
aoqi@0 | 361 | |
aoqi@0 | 362 | public void printString(String label, String text) { |
aoqi@0 | 363 | indent(); |
aoqi@0 | 364 | out.print(label); |
aoqi@0 | 365 | out.print(": "); |
aoqi@0 | 366 | out.print(text); |
aoqi@0 | 367 | out.println(); |
aoqi@0 | 368 | } |
aoqi@0 | 369 | |
aoqi@0 | 370 | public void printSymbol(String label, Symbol symbol) { |
aoqi@0 | 371 | printSymbol(label, symbol, Details.FULL); |
aoqi@0 | 372 | } |
aoqi@0 | 373 | |
aoqi@0 | 374 | protected void printSymbol(String label, Symbol sym, Details details) { |
aoqi@0 | 375 | if (sym == null) { |
aoqi@0 | 376 | printNull(label); |
aoqi@0 | 377 | } else { |
aoqi@0 | 378 | switch (details) { |
aoqi@0 | 379 | case SUMMARY: |
aoqi@0 | 380 | printString(label, toString(sym)); |
aoqi@0 | 381 | break; |
aoqi@0 | 382 | |
aoqi@0 | 383 | case FULL: |
aoqi@0 | 384 | indent(); |
aoqi@0 | 385 | out.print(label); |
aoqi@0 | 386 | out.println(": " + |
aoqi@0 | 387 | info(sym.getClass(), |
aoqi@0 | 388 | String.format("0x%x--%s", sym.kind, Kinds.kindName(sym)), |
aoqi@0 | 389 | sym.getKind()) |
aoqi@0 | 390 | + " " + sym.name |
aoqi@0 | 391 | + " " + hashString(sym)); |
aoqi@0 | 392 | |
aoqi@0 | 393 | indent(+1); |
aoqi@0 | 394 | if (showSrc) { |
aoqi@0 | 395 | JCTree tree = (JCTree) trees.getTree(sym); |
aoqi@0 | 396 | if (tree != null) |
aoqi@0 | 397 | printSource("src", tree); |
aoqi@0 | 398 | } |
aoqi@0 | 399 | printString("flags", String.format("0x%x--%s", |
aoqi@0 | 400 | sym.flags_field, Flags.toString(sym.flags_field))); |
aoqi@0 | 401 | printObject("completer", sym.completer, Details.SUMMARY); // what if too long? |
aoqi@0 | 402 | printSymbol("owner", sym.owner, Details.SUMMARY); |
aoqi@0 | 403 | printType("type", sym.type, Details.SUMMARY); |
aoqi@0 | 404 | printType("erasure", sym.erasure_field, Details.SUMMARY); |
aoqi@0 | 405 | sym.accept(symVisitor, null); |
aoqi@0 | 406 | printAnnotations("annotations", sym.getAnnotations(), Details.SUMMARY); |
aoqi@0 | 407 | indent(-1); |
aoqi@0 | 408 | } |
aoqi@0 | 409 | } |
aoqi@0 | 410 | } |
aoqi@0 | 411 | |
aoqi@0 | 412 | protected String toString(Symbol sym) { |
aoqi@0 | 413 | return (printer != null) ? printer.visit(sym, locale) : String.valueOf(sym); |
aoqi@0 | 414 | } |
aoqi@0 | 415 | |
aoqi@0 | 416 | protected void printTree(String label, JCTree tree) { |
aoqi@0 | 417 | if (tree == null) { |
aoqi@0 | 418 | printNull(label); |
aoqi@0 | 419 | } else { |
aoqi@0 | 420 | indent(); |
aoqi@0 | 421 | String ext; |
aoqi@0 | 422 | try { |
aoqi@0 | 423 | ext = tree.getKind().name(); |
aoqi@0 | 424 | } catch (Throwable t) { |
aoqi@0 | 425 | ext = "n/a"; |
aoqi@0 | 426 | } |
aoqi@0 | 427 | out.print(label + ": " + info(tree.getClass(), tree.getTag(), ext)); |
aoqi@0 | 428 | if (showPositions) { |
aoqi@0 | 429 | // We can always get start position, but to get end position |
aoqi@0 | 430 | // and/or line+offset, we would need a JCCompilationUnit |
aoqi@0 | 431 | out.print(" pos:" + tree.pos); |
aoqi@0 | 432 | } |
aoqi@0 | 433 | if (showTreeTypes && tree.type != null) |
aoqi@0 | 434 | out.print(" type:" + toString(tree.type)); |
aoqi@0 | 435 | Symbol sym; |
aoqi@0 | 436 | if (showTreeSymbols && (sym = TreeInfo.symbolFor(tree)) != null) |
aoqi@0 | 437 | out.print(" sym:" + toString(sym)); |
aoqi@0 | 438 | out.println(); |
aoqi@0 | 439 | |
aoqi@0 | 440 | indent(+1); |
aoqi@0 | 441 | if (showSrc) { |
aoqi@0 | 442 | indent(); |
aoqi@0 | 443 | out.println("src: " + Pretty.toSimpleString(tree, maxSrcLength)); |
aoqi@0 | 444 | } |
aoqi@0 | 445 | tree.accept(treeVisitor); |
aoqi@0 | 446 | indent(-1); |
aoqi@0 | 447 | } |
aoqi@0 | 448 | } |
aoqi@0 | 449 | |
aoqi@0 | 450 | public void printType(String label, Type type) { |
aoqi@0 | 451 | printType(label, type, Details.FULL); |
aoqi@0 | 452 | } |
aoqi@0 | 453 | |
aoqi@0 | 454 | protected void printType(String label, Type type, Details details) { |
aoqi@0 | 455 | if (type == null) |
aoqi@0 | 456 | printNull(label); |
aoqi@0 | 457 | else { |
aoqi@0 | 458 | switch (details) { |
aoqi@0 | 459 | case SUMMARY: |
aoqi@0 | 460 | printString(label, toString(type)); |
aoqi@0 | 461 | break; |
aoqi@0 | 462 | |
aoqi@0 | 463 | case FULL: |
aoqi@0 | 464 | indent(); |
aoqi@0 | 465 | out.print(label); |
aoqi@0 | 466 | out.println(": " + info(type.getClass(), type.getTag(), type.getKind()) |
aoqi@0 | 467 | + " " + hashString(type)); |
aoqi@0 | 468 | |
aoqi@0 | 469 | indent(+1); |
aoqi@0 | 470 | printSymbol("tsym", type.tsym, Details.SUMMARY); |
aoqi@0 | 471 | printObject("constValue", type.constValue(), Details.SUMMARY); |
aoqi@0 | 472 | printObject("annotations", type.getAnnotationMirrors(), Details.SUMMARY); |
aoqi@0 | 473 | type.accept(typeVisitor, null); |
aoqi@0 | 474 | indent(-1); |
aoqi@0 | 475 | } |
aoqi@0 | 476 | } |
aoqi@0 | 477 | } |
aoqi@0 | 478 | |
aoqi@0 | 479 | protected String toString(Type type) { |
aoqi@0 | 480 | return (printer != null) ? printer.visit(type, locale) : String.valueOf(type); |
aoqi@0 | 481 | } |
aoqi@0 | 482 | |
aoqi@0 | 483 | protected String hashString(Object obj) { |
aoqi@0 | 484 | return String.format("#%x", obj.hashCode()); |
aoqi@0 | 485 | } |
aoqi@0 | 486 | |
aoqi@0 | 487 | protected String info(Class<?> clazz, Object internal, Object external) { |
aoqi@0 | 488 | return String.format("%s,%s,%s", clazz.getSimpleName(), internal, external); |
aoqi@0 | 489 | } |
aoqi@0 | 490 | |
aoqi@0 | 491 | private int indent = 0; |
aoqi@0 | 492 | |
aoqi@0 | 493 | protected void indent() { |
aoqi@0 | 494 | for (int i = 0; i < indent; i++) { |
aoqi@0 | 495 | out.print(" "); |
aoqi@0 | 496 | } |
aoqi@0 | 497 | } |
aoqi@0 | 498 | |
aoqi@0 | 499 | protected void indent(int n) { |
aoqi@0 | 500 | indent += n; |
aoqi@0 | 501 | } |
aoqi@0 | 502 | |
aoqi@0 | 503 | protected Object getField(Object o, Class<?> clazz, String name) { |
aoqi@0 | 504 | try { |
aoqi@0 | 505 | Field f = clazz.getDeclaredField(name); |
aoqi@0 | 506 | boolean prev = f.isAccessible(); |
aoqi@0 | 507 | f.setAccessible(true); |
aoqi@0 | 508 | try { |
aoqi@0 | 509 | return f.get(o); |
aoqi@0 | 510 | } finally { |
aoqi@0 | 511 | f.setAccessible(prev); |
aoqi@0 | 512 | } |
aoqi@0 | 513 | } catch (ReflectiveOperationException e) { |
aoqi@0 | 514 | return e; |
aoqi@0 | 515 | } catch (SecurityException e) { |
aoqi@0 | 516 | return e; |
aoqi@0 | 517 | } |
aoqi@0 | 518 | } |
aoqi@0 | 519 | |
aoqi@0 | 520 | // </editor-fold> |
aoqi@0 | 521 | |
aoqi@0 | 522 | // <editor-fold defaultstate="collapsed" desc="JCTree visitor methods"> |
aoqi@0 | 523 | |
aoqi@0 | 524 | protected JCTree.Visitor treeVisitor = new TreeVisitor(); |
aoqi@0 | 525 | |
aoqi@0 | 526 | /** |
aoqi@0 | 527 | * Default visitor class for JCTree (AST) objects. |
aoqi@0 | 528 | */ |
aoqi@0 | 529 | public class TreeVisitor extends JCTree.Visitor { |
aoqi@0 | 530 | @Override |
aoqi@0 | 531 | public void visitTopLevel(JCCompilationUnit tree) { |
aoqi@0 | 532 | printList("packageAnnotations", tree.packageAnnotations); |
aoqi@0 | 533 | printTree("pid", tree.pid); |
aoqi@0 | 534 | printList("defs", tree.defs); |
aoqi@0 | 535 | } |
aoqi@0 | 536 | |
aoqi@0 | 537 | @Override |
aoqi@0 | 538 | public void visitImport(JCImport tree) { |
aoqi@0 | 539 | printTree("qualid", tree.qualid); |
aoqi@0 | 540 | } |
aoqi@0 | 541 | |
aoqi@0 | 542 | @Override |
aoqi@0 | 543 | public void visitClassDef(JCClassDecl tree) { |
aoqi@0 | 544 | printName("name", tree.name); |
aoqi@0 | 545 | printTree("mods", tree.mods); |
aoqi@0 | 546 | printList("typarams", tree.typarams); |
aoqi@0 | 547 | printTree("extending", tree.extending); |
aoqi@0 | 548 | printList("implementing", tree.implementing); |
aoqi@0 | 549 | printList("defs", tree.defs); |
aoqi@0 | 550 | } |
aoqi@0 | 551 | |
aoqi@0 | 552 | @Override |
aoqi@0 | 553 | public void visitMethodDef(JCMethodDecl tree) { |
aoqi@0 | 554 | printName("name", tree.name); |
aoqi@0 | 555 | printTree("mods", tree.mods); |
aoqi@0 | 556 | printTree("restype", tree.restype); |
aoqi@0 | 557 | printList("typarams", tree.typarams); |
aoqi@0 | 558 | printTree("recvparam", tree.recvparam); |
aoqi@0 | 559 | printList("params", tree.params); |
aoqi@0 | 560 | printList("thrown", tree.thrown); |
aoqi@0 | 561 | printTree("defaultValue", tree.defaultValue); |
aoqi@0 | 562 | printTree("body", tree.body); |
aoqi@0 | 563 | } |
aoqi@0 | 564 | |
aoqi@0 | 565 | @Override |
aoqi@0 | 566 | public void visitVarDef(JCVariableDecl tree) { |
aoqi@0 | 567 | printName("name", tree.name); |
aoqi@0 | 568 | printTree("mods", tree.mods); |
aoqi@0 | 569 | printTree("vartype", tree.vartype); |
aoqi@0 | 570 | printTree("init", tree.init); |
aoqi@0 | 571 | } |
aoqi@0 | 572 | |
aoqi@0 | 573 | @Override |
aoqi@0 | 574 | public void visitSkip(JCSkip tree) { |
aoqi@0 | 575 | } |
aoqi@0 | 576 | |
aoqi@0 | 577 | @Override |
aoqi@0 | 578 | public void visitBlock(JCBlock tree) { |
aoqi@0 | 579 | printList("stats", tree.stats); |
aoqi@0 | 580 | } |
aoqi@0 | 581 | |
aoqi@0 | 582 | @Override |
aoqi@0 | 583 | public void visitDoLoop(JCDoWhileLoop tree) { |
aoqi@0 | 584 | printTree("body", tree.body); |
aoqi@0 | 585 | printTree("cond", tree.cond); |
aoqi@0 | 586 | } |
aoqi@0 | 587 | |
aoqi@0 | 588 | @Override |
aoqi@0 | 589 | public void visitWhileLoop(JCWhileLoop tree) { |
aoqi@0 | 590 | printTree("cond", tree.cond); |
aoqi@0 | 591 | printTree("body", tree.body); |
aoqi@0 | 592 | } |
aoqi@0 | 593 | |
aoqi@0 | 594 | @Override |
aoqi@0 | 595 | public void visitForLoop(JCForLoop tree) { |
aoqi@0 | 596 | printList("init", tree.init); |
aoqi@0 | 597 | printTree("cond", tree.cond); |
aoqi@0 | 598 | printList("step", tree.step); |
aoqi@0 | 599 | printTree("body", tree.body); |
aoqi@0 | 600 | } |
aoqi@0 | 601 | |
aoqi@0 | 602 | @Override |
aoqi@0 | 603 | public void visitForeachLoop(JCEnhancedForLoop tree) { |
aoqi@0 | 604 | printTree("var", tree.var); |
aoqi@0 | 605 | printTree("expr", tree.expr); |
aoqi@0 | 606 | printTree("body", tree.body); |
aoqi@0 | 607 | } |
aoqi@0 | 608 | |
aoqi@0 | 609 | @Override |
aoqi@0 | 610 | public void visitLabelled(JCLabeledStatement tree) { |
aoqi@0 | 611 | printTree("body", tree.body); |
aoqi@0 | 612 | } |
aoqi@0 | 613 | |
aoqi@0 | 614 | @Override |
aoqi@0 | 615 | public void visitSwitch(JCSwitch tree) { |
aoqi@0 | 616 | printTree("selector", tree.selector); |
aoqi@0 | 617 | printList("cases", tree.cases); |
aoqi@0 | 618 | } |
aoqi@0 | 619 | |
aoqi@0 | 620 | @Override |
aoqi@0 | 621 | public void visitCase(JCCase tree) { |
aoqi@0 | 622 | printTree("pat", tree.pat); |
aoqi@0 | 623 | printList("stats", tree.stats); |
aoqi@0 | 624 | } |
aoqi@0 | 625 | |
aoqi@0 | 626 | @Override |
aoqi@0 | 627 | public void visitSynchronized(JCSynchronized tree) { |
aoqi@0 | 628 | printTree("lock", tree.lock); |
aoqi@0 | 629 | printTree("body", tree.body); |
aoqi@0 | 630 | } |
aoqi@0 | 631 | |
aoqi@0 | 632 | @Override |
aoqi@0 | 633 | public void visitTry(JCTry tree) { |
aoqi@0 | 634 | printList("resources", tree.resources); |
aoqi@0 | 635 | printTree("body", tree.body); |
aoqi@0 | 636 | printList("catchers", tree.catchers); |
aoqi@0 | 637 | printTree("finalizer", tree.finalizer); |
aoqi@0 | 638 | } |
aoqi@0 | 639 | |
aoqi@0 | 640 | @Override |
aoqi@0 | 641 | public void visitCatch(JCCatch tree) { |
aoqi@0 | 642 | printTree("param", tree.param); |
aoqi@0 | 643 | printTree("body", tree.body); |
aoqi@0 | 644 | } |
aoqi@0 | 645 | |
aoqi@0 | 646 | @Override |
aoqi@0 | 647 | public void visitConditional(JCConditional tree) { |
aoqi@0 | 648 | printTree("cond", tree.cond); |
aoqi@0 | 649 | printTree("truepart", tree.truepart); |
aoqi@0 | 650 | printTree("falsepart", tree.falsepart); |
aoqi@0 | 651 | } |
aoqi@0 | 652 | |
aoqi@0 | 653 | @Override |
aoqi@0 | 654 | public void visitIf(JCIf tree) { |
aoqi@0 | 655 | printTree("cond", tree.cond); |
aoqi@0 | 656 | printTree("thenpart", tree.thenpart); |
aoqi@0 | 657 | printTree("elsepart", tree.elsepart); |
aoqi@0 | 658 | } |
aoqi@0 | 659 | |
aoqi@0 | 660 | @Override |
aoqi@0 | 661 | public void visitExec(JCExpressionStatement tree) { |
aoqi@0 | 662 | printTree("expr", tree.expr); |
aoqi@0 | 663 | } |
aoqi@0 | 664 | |
aoqi@0 | 665 | @Override |
aoqi@0 | 666 | public void visitBreak(JCBreak tree) { |
aoqi@0 | 667 | printName("label", tree.label); |
aoqi@0 | 668 | } |
aoqi@0 | 669 | |
aoqi@0 | 670 | @Override |
aoqi@0 | 671 | public void visitContinue(JCContinue tree) { |
aoqi@0 | 672 | printName("label", tree.label); |
aoqi@0 | 673 | } |
aoqi@0 | 674 | |
aoqi@0 | 675 | @Override |
aoqi@0 | 676 | public void visitReturn(JCReturn tree) { |
aoqi@0 | 677 | printTree("expr", tree.expr); |
aoqi@0 | 678 | } |
aoqi@0 | 679 | |
aoqi@0 | 680 | @Override |
aoqi@0 | 681 | public void visitThrow(JCThrow tree) { |
aoqi@0 | 682 | printTree("expr", tree.expr); |
aoqi@0 | 683 | } |
aoqi@0 | 684 | |
aoqi@0 | 685 | @Override |
aoqi@0 | 686 | public void visitAssert(JCAssert tree) { |
aoqi@0 | 687 | printTree("cond", tree.cond); |
aoqi@0 | 688 | printTree("detail", tree.detail); |
aoqi@0 | 689 | } |
aoqi@0 | 690 | |
aoqi@0 | 691 | @Override |
aoqi@0 | 692 | public void visitApply(JCMethodInvocation tree) { |
aoqi@0 | 693 | printList("typeargs", tree.typeargs); |
aoqi@0 | 694 | printTree("meth", tree.meth); |
aoqi@0 | 695 | printList("args", tree.args); |
aoqi@0 | 696 | } |
aoqi@0 | 697 | |
aoqi@0 | 698 | @Override |
aoqi@0 | 699 | public void visitNewClass(JCNewClass tree) { |
aoqi@0 | 700 | printTree("encl", tree.encl); |
aoqi@0 | 701 | printList("typeargs", tree.typeargs); |
aoqi@0 | 702 | printTree("clazz", tree.clazz); |
aoqi@0 | 703 | printList("args", tree.args); |
aoqi@0 | 704 | printTree("def", tree.def); |
aoqi@0 | 705 | } |
aoqi@0 | 706 | |
aoqi@0 | 707 | @Override |
aoqi@0 | 708 | public void visitNewArray(JCNewArray tree) { |
aoqi@0 | 709 | printList("annotations", tree.annotations); |
aoqi@0 | 710 | printTree("elemtype", tree.elemtype); |
aoqi@0 | 711 | printList("dims", tree.dims); |
aoqi@0 | 712 | printList("dimAnnotations", tree.dimAnnotations); |
aoqi@0 | 713 | printList("elems", tree.elems); |
aoqi@0 | 714 | } |
aoqi@0 | 715 | |
aoqi@0 | 716 | @Override |
aoqi@0 | 717 | public void visitLambda(JCLambda tree) { |
aoqi@0 | 718 | printTree("body", tree.body); |
aoqi@0 | 719 | printList("params", tree.params); |
aoqi@0 | 720 | } |
aoqi@0 | 721 | |
aoqi@0 | 722 | @Override |
aoqi@0 | 723 | public void visitParens(JCParens tree) { |
aoqi@0 | 724 | printTree("expr", tree.expr); |
aoqi@0 | 725 | } |
aoqi@0 | 726 | |
aoqi@0 | 727 | @Override |
aoqi@0 | 728 | public void visitAssign(JCAssign tree) { |
aoqi@0 | 729 | printTree("lhs", tree.lhs); |
aoqi@0 | 730 | printTree("rhs", tree.rhs); |
aoqi@0 | 731 | } |
aoqi@0 | 732 | |
aoqi@0 | 733 | @Override |
aoqi@0 | 734 | public void visitAssignop(JCAssignOp tree) { |
aoqi@0 | 735 | printTree("lhs", tree.lhs); |
aoqi@0 | 736 | printTree("rhs", tree.rhs); |
aoqi@0 | 737 | } |
aoqi@0 | 738 | |
aoqi@0 | 739 | @Override |
aoqi@0 | 740 | public void visitUnary(JCUnary tree) { |
aoqi@0 | 741 | printTree("arg", tree.arg); |
aoqi@0 | 742 | } |
aoqi@0 | 743 | |
aoqi@0 | 744 | @Override |
aoqi@0 | 745 | public void visitBinary(JCBinary tree) { |
aoqi@0 | 746 | printTree("lhs", tree.lhs); |
aoqi@0 | 747 | printTree("rhs", tree.rhs); |
aoqi@0 | 748 | } |
aoqi@0 | 749 | |
aoqi@0 | 750 | @Override |
aoqi@0 | 751 | public void visitTypeCast(JCTypeCast tree) { |
aoqi@0 | 752 | printTree("clazz", tree.clazz); |
aoqi@0 | 753 | printTree("expr", tree.expr); |
aoqi@0 | 754 | } |
aoqi@0 | 755 | |
aoqi@0 | 756 | @Override |
aoqi@0 | 757 | public void visitTypeTest(JCInstanceOf tree) { |
aoqi@0 | 758 | printTree("expr", tree.expr); |
aoqi@0 | 759 | printTree("clazz", tree.clazz); |
aoqi@0 | 760 | } |
aoqi@0 | 761 | |
aoqi@0 | 762 | @Override |
aoqi@0 | 763 | public void visitIndexed(JCArrayAccess tree) { |
aoqi@0 | 764 | printTree("indexed", tree.indexed); |
aoqi@0 | 765 | printTree("index", tree.index); |
aoqi@0 | 766 | } |
aoqi@0 | 767 | |
aoqi@0 | 768 | @Override |
aoqi@0 | 769 | public void visitSelect(JCFieldAccess tree) { |
aoqi@0 | 770 | printTree("selected", tree.selected); |
aoqi@0 | 771 | } |
aoqi@0 | 772 | |
aoqi@0 | 773 | @Override |
aoqi@0 | 774 | public void visitReference(JCMemberReference tree) { |
aoqi@0 | 775 | printTree("expr", tree.expr); |
aoqi@0 | 776 | printList("typeargs", tree.typeargs); |
aoqi@0 | 777 | } |
aoqi@0 | 778 | |
aoqi@0 | 779 | @Override |
aoqi@0 | 780 | public void visitIdent(JCIdent tree) { |
aoqi@0 | 781 | printName("name", tree.name); |
aoqi@0 | 782 | } |
aoqi@0 | 783 | |
aoqi@0 | 784 | @Override |
aoqi@0 | 785 | public void visitLiteral(JCLiteral tree) { |
aoqi@0 | 786 | printString("value", Pretty.toSimpleString(tree, 32)); |
aoqi@0 | 787 | } |
aoqi@0 | 788 | |
aoqi@0 | 789 | @Override |
aoqi@0 | 790 | public void visitTypeIdent(JCPrimitiveTypeTree tree) { |
aoqi@0 | 791 | printString("typetag", tree.typetag.name()); |
aoqi@0 | 792 | } |
aoqi@0 | 793 | |
aoqi@0 | 794 | @Override |
aoqi@0 | 795 | public void visitTypeArray(JCArrayTypeTree tree) { |
aoqi@0 | 796 | printTree("elemtype", tree.elemtype); |
aoqi@0 | 797 | } |
aoqi@0 | 798 | |
aoqi@0 | 799 | @Override |
aoqi@0 | 800 | public void visitTypeApply(JCTypeApply tree) { |
aoqi@0 | 801 | printTree("clazz", tree.clazz); |
aoqi@0 | 802 | printList("arguments", tree.arguments); |
aoqi@0 | 803 | } |
aoqi@0 | 804 | |
aoqi@0 | 805 | @Override |
aoqi@0 | 806 | public void visitTypeUnion(JCTypeUnion tree) { |
aoqi@0 | 807 | printList("alternatives", tree.alternatives); |
aoqi@0 | 808 | } |
aoqi@0 | 809 | |
aoqi@0 | 810 | @Override |
aoqi@0 | 811 | public void visitTypeIntersection(JCTypeIntersection tree) { |
aoqi@0 | 812 | printList("bounds", tree.bounds); |
aoqi@0 | 813 | } |
aoqi@0 | 814 | |
aoqi@0 | 815 | @Override |
aoqi@0 | 816 | public void visitTypeParameter(JCTypeParameter tree) { |
aoqi@0 | 817 | printName("name", tree.name); |
aoqi@0 | 818 | printList("annotations", tree.annotations); |
aoqi@0 | 819 | printList("bounds", tree.bounds); |
aoqi@0 | 820 | } |
aoqi@0 | 821 | |
aoqi@0 | 822 | @Override |
aoqi@0 | 823 | public void visitWildcard(JCWildcard tree) { |
aoqi@0 | 824 | printTree("kind", tree.kind); |
aoqi@0 | 825 | printTree("inner", tree.inner); |
aoqi@0 | 826 | } |
aoqi@0 | 827 | |
aoqi@0 | 828 | @Override |
aoqi@0 | 829 | public void visitTypeBoundKind(TypeBoundKind tree) { |
aoqi@0 | 830 | printString("kind", tree.kind.name()); |
aoqi@0 | 831 | } |
aoqi@0 | 832 | |
aoqi@0 | 833 | @Override |
aoqi@0 | 834 | public void visitModifiers(JCModifiers tree) { |
aoqi@0 | 835 | printList("annotations", tree.annotations); |
aoqi@0 | 836 | printString("flags", String.valueOf(Flags.asFlagSet(tree.flags))); |
aoqi@0 | 837 | } |
aoqi@0 | 838 | |
aoqi@0 | 839 | @Override |
aoqi@0 | 840 | public void visitAnnotation(JCAnnotation tree) { |
aoqi@0 | 841 | printTree("annotationType", tree.annotationType); |
aoqi@0 | 842 | printList("args", tree.args); |
aoqi@0 | 843 | } |
aoqi@0 | 844 | |
aoqi@0 | 845 | @Override |
aoqi@0 | 846 | public void visitAnnotatedType(JCAnnotatedType tree) { |
aoqi@0 | 847 | printList("annotations", tree.annotations); |
aoqi@0 | 848 | printTree("underlyingType", tree.underlyingType); |
aoqi@0 | 849 | } |
aoqi@0 | 850 | |
aoqi@0 | 851 | @Override |
aoqi@0 | 852 | public void visitErroneous(JCErroneous tree) { |
aoqi@0 | 853 | printList("errs", tree.errs); |
aoqi@0 | 854 | } |
aoqi@0 | 855 | |
aoqi@0 | 856 | @Override |
aoqi@0 | 857 | public void visitLetExpr(LetExpr tree) { |
aoqi@0 | 858 | printList("defs", tree.defs); |
aoqi@0 | 859 | printTree("expr", tree.expr); |
aoqi@0 | 860 | } |
aoqi@0 | 861 | |
aoqi@0 | 862 | @Override |
aoqi@0 | 863 | public void visitTree(JCTree tree) { |
aoqi@0 | 864 | Assert.error(); |
aoqi@0 | 865 | } |
aoqi@0 | 866 | } |
aoqi@0 | 867 | |
aoqi@0 | 868 | // </editor-fold> |
aoqi@0 | 869 | |
aoqi@0 | 870 | // <editor-fold defaultstate="collapsed" desc="Symbol visitor"> |
aoqi@0 | 871 | |
aoqi@0 | 872 | protected Symbol.Visitor<Void,Void> symVisitor = new SymbolVisitor(); |
aoqi@0 | 873 | |
aoqi@0 | 874 | /** |
aoqi@0 | 875 | * Default visitor class for Symbol objects. |
aoqi@0 | 876 | * Note: each visitXYZ method ends by calling the corresponding |
aoqi@0 | 877 | * visit method for its superclass. |
aoqi@0 | 878 | */ |
aoqi@0 | 879 | class SymbolVisitor implements Symbol.Visitor<Void,Void> { |
aoqi@0 | 880 | @Override |
aoqi@0 | 881 | public Void visitClassSymbol(ClassSymbol sym, Void ignore) { |
aoqi@0 | 882 | printName("fullname", sym.fullname); |
aoqi@0 | 883 | printName("flatname", sym.flatname); |
aoqi@0 | 884 | printScope("members", sym.members_field); |
aoqi@0 | 885 | printFileObject("sourcefile", sym.sourcefile); |
aoqi@0 | 886 | printFileObject("classfile", sym.classfile); |
aoqi@0 | 887 | // trans-local? |
aoqi@0 | 888 | // pool? |
aoqi@0 | 889 | return visitTypeSymbol(sym, null); |
aoqi@0 | 890 | } |
aoqi@0 | 891 | |
aoqi@0 | 892 | @Override |
aoqi@0 | 893 | public Void visitMethodSymbol(MethodSymbol sym, Void ignore) { |
aoqi@0 | 894 | // code |
aoqi@0 | 895 | printList("params", sym.params); |
aoqi@0 | 896 | printList("savedParameterNames", sym.savedParameterNames); |
aoqi@0 | 897 | return visitSymbol(sym, null); |
aoqi@0 | 898 | } |
aoqi@0 | 899 | |
aoqi@0 | 900 | @Override |
aoqi@0 | 901 | public Void visitPackageSymbol(PackageSymbol sym, Void ignore) { |
aoqi@0 | 902 | printName("fullname", sym.fullname); |
aoqi@0 | 903 | printScope("members", sym.members_field); |
aoqi@0 | 904 | printSymbol("package-info", sym.package_info, Details.SUMMARY); |
aoqi@0 | 905 | return visitTypeSymbol(sym, null); |
aoqi@0 | 906 | } |
aoqi@0 | 907 | |
aoqi@0 | 908 | @Override |
aoqi@0 | 909 | public Void visitOperatorSymbol(OperatorSymbol sym, Void ignore) { |
aoqi@0 | 910 | printInt("opcode", sym.opcode); |
aoqi@0 | 911 | return visitMethodSymbol(sym, null); |
aoqi@0 | 912 | } |
aoqi@0 | 913 | |
aoqi@0 | 914 | @Override |
aoqi@0 | 915 | public Void visitVarSymbol(VarSymbol sym, Void ignore) { |
aoqi@0 | 916 | printInt("pos", sym.pos); |
aoqi@0 | 917 | printInt("adm", sym.adr); |
aoqi@0 | 918 | // data is a private field, and the standard accessors may |
aoqi@0 | 919 | // mutate it as part of lazy evaluation. Therefore, use |
aoqi@0 | 920 | // reflection to get the raw data. |
aoqi@0 | 921 | printObject("data", getField(sym, VarSymbol.class, "data"), Details.SUMMARY); |
aoqi@0 | 922 | return visitSymbol(sym, null); |
aoqi@0 | 923 | } |
aoqi@0 | 924 | |
aoqi@0 | 925 | @Override |
aoqi@0 | 926 | public Void visitTypeSymbol(TypeSymbol sym, Void ignore) { |
aoqi@0 | 927 | return visitSymbol(sym, null); |
aoqi@0 | 928 | } |
aoqi@0 | 929 | |
aoqi@0 | 930 | @Override |
aoqi@0 | 931 | public Void visitSymbol(Symbol sym, Void ignore) { |
aoqi@0 | 932 | return null; |
aoqi@0 | 933 | } |
aoqi@0 | 934 | } |
aoqi@0 | 935 | |
aoqi@0 | 936 | // </editor-fold> |
aoqi@0 | 937 | |
aoqi@0 | 938 | // <editor-fold defaultstate="collapsed" desc="Type visitor"> |
aoqi@0 | 939 | |
aoqi@0 | 940 | protected Type.Visitor<Void,Void> typeVisitor = new TypeVisitor(); |
aoqi@0 | 941 | |
aoqi@0 | 942 | /** |
aoqi@0 | 943 | * Default visitor class for Type objects. |
aoqi@0 | 944 | * Note: each visitXYZ method ends by calling the corresponding |
aoqi@0 | 945 | * visit method for its superclass. |
aoqi@0 | 946 | */ |
aoqi@0 | 947 | public class TypeVisitor implements Type.Visitor<Void,Void> { |
aoqi@0 | 948 | public Void visitAnnotatedType(AnnotatedType type, Void ignore) { |
aoqi@0 | 949 | printList("typeAnnotations", type.getAnnotationMirrors()); |
aoqi@0 | 950 | printType("underlyingType", type.unannotatedType(), Details.FULL); |
aoqi@0 | 951 | return visitType(type, null); |
aoqi@0 | 952 | } |
aoqi@0 | 953 | |
aoqi@0 | 954 | public Void visitArrayType(ArrayType type, Void ignore) { |
aoqi@0 | 955 | printType("elemType", type.elemtype, Details.FULL); |
aoqi@0 | 956 | return visitType(type, null); |
aoqi@0 | 957 | } |
aoqi@0 | 958 | |
aoqi@0 | 959 | public Void visitCapturedType(CapturedType type, Void ignore) { |
aoqi@0 | 960 | printType("wildcard", type.wildcard, Details.FULL); |
aoqi@0 | 961 | return visitTypeVar(type, null); |
aoqi@0 | 962 | } |
aoqi@0 | 963 | |
aoqi@0 | 964 | public Void visitClassType(ClassType type, Void ignore) { |
aoqi@0 | 965 | printType("outer", type.getEnclosingType(), Details.SUMMARY); |
aoqi@0 | 966 | printList("typarams", type.typarams_field); |
aoqi@0 | 967 | printList("allparams", type.allparams_field); |
aoqi@0 | 968 | printType("supertype", type.supertype_field, Details.SUMMARY); |
aoqi@0 | 969 | printList("interfaces", type.interfaces_field); |
aoqi@0 | 970 | printList("allinterfaces", type.all_interfaces_field); |
aoqi@0 | 971 | return visitType(type, null); |
aoqi@0 | 972 | } |
aoqi@0 | 973 | |
aoqi@0 | 974 | public Void visitErrorType(ErrorType type, Void ignore) { |
aoqi@0 | 975 | printType("originalType", type.getOriginalType(), Details.FULL); |
aoqi@0 | 976 | return visitClassType(type, null); |
aoqi@0 | 977 | } |
aoqi@0 | 978 | |
aoqi@0 | 979 | public Void visitForAll(ForAll type, Void ignore) { |
aoqi@0 | 980 | printList("tvars", type.tvars); |
aoqi@0 | 981 | return visitDelegatedType(type); |
aoqi@0 | 982 | } |
aoqi@0 | 983 | |
aoqi@0 | 984 | public Void visitMethodType(MethodType type, Void ignore) { |
aoqi@0 | 985 | printList("argtypes", type.argtypes); |
aoqi@0 | 986 | printType("restype", type.restype, Details.FULL); |
aoqi@0 | 987 | printList("thrown", type.thrown); |
aoqi@0 | 988 | return visitType(type, null); |
aoqi@0 | 989 | } |
aoqi@0 | 990 | |
aoqi@0 | 991 | public Void visitPackageType(PackageType type, Void ignore) { |
aoqi@0 | 992 | return visitType(type, null); |
aoqi@0 | 993 | } |
aoqi@0 | 994 | |
aoqi@0 | 995 | public Void visitTypeVar(TypeVar type, Void ignore) { |
aoqi@0 | 996 | // For TypeVars (and not subtypes), the bound should always be |
aoqi@0 | 997 | // null or bot. So, only print the bound for subtypes of TypeVar, |
aoqi@0 | 998 | // or if the bound is (erroneously) not null or bot. |
aoqi@0 | 999 | if (!type.hasTag(TypeTag.TYPEVAR) |
aoqi@0 | 1000 | || !(type.bound == null || type.bound.hasTag(TypeTag.BOT))) { |
aoqi@0 | 1001 | printType("bound", type.bound, Details.FULL); |
aoqi@0 | 1002 | } |
aoqi@0 | 1003 | printType("lower", type.lower, Details.FULL); |
aoqi@0 | 1004 | return visitType(type, null); |
aoqi@0 | 1005 | } |
aoqi@0 | 1006 | |
aoqi@0 | 1007 | public Void visitUndetVar(UndetVar type, Void ignore) { |
aoqi@0 | 1008 | for (UndetVar.InferenceBound ib: UndetVar.InferenceBound.values()) |
aoqi@0 | 1009 | printList("bounds." + ib, type.getBounds(ib)); |
aoqi@0 | 1010 | printInt("declaredCount", type.declaredCount); |
aoqi@0 | 1011 | printType("inst", type.inst, Details.SUMMARY); |
aoqi@0 | 1012 | return visitDelegatedType(type); |
aoqi@0 | 1013 | } |
aoqi@0 | 1014 | |
aoqi@0 | 1015 | public Void visitWildcardType(WildcardType type, Void ignore) { |
aoqi@0 | 1016 | printType("type", type.type, Details.SUMMARY); |
aoqi@0 | 1017 | printString("kind", type.kind.name()); |
aoqi@0 | 1018 | printType("bound", type.bound, Details.SUMMARY); |
aoqi@0 | 1019 | return visitType(type, null); |
aoqi@0 | 1020 | } |
aoqi@0 | 1021 | |
aoqi@0 | 1022 | protected Void visitDelegatedType(DelegatedType type) { |
aoqi@0 | 1023 | printType("qtype", type.qtype, Details.FULL); |
aoqi@0 | 1024 | return visitType(type, null); |
aoqi@0 | 1025 | } |
aoqi@0 | 1026 | |
aoqi@0 | 1027 | public Void visitType(Type type, Void ignore) { |
aoqi@0 | 1028 | return null; |
aoqi@0 | 1029 | } |
aoqi@0 | 1030 | } |
aoqi@0 | 1031 | |
aoqi@0 | 1032 | // </editor-fold> |
aoqi@0 | 1033 | |
aoqi@0 | 1034 | // <editor-fold defaultstate="collapsed" desc="Attribute (annotations) visitor"> |
aoqi@0 | 1035 | |
aoqi@0 | 1036 | protected Attribute.Visitor attrVisitor = new AttributeVisitor(); |
aoqi@0 | 1037 | |
aoqi@0 | 1038 | /** |
aoqi@0 | 1039 | * Default visitor class for Attribute (annotation) objects. |
aoqi@0 | 1040 | */ |
aoqi@0 | 1041 | public class AttributeVisitor implements Attribute.Visitor { |
aoqi@0 | 1042 | |
aoqi@0 | 1043 | public void visitConstant(Attribute.Constant a) { |
aoqi@0 | 1044 | printObject("value", a.value, Details.SUMMARY); |
aoqi@0 | 1045 | visitAttribute(a); |
aoqi@0 | 1046 | } |
aoqi@0 | 1047 | |
aoqi@0 | 1048 | public void visitClass(Attribute.Class a) { |
aoqi@0 | 1049 | printObject("classType", a.classType, Details.SUMMARY); |
aoqi@0 | 1050 | visitAttribute(a); |
aoqi@0 | 1051 | } |
aoqi@0 | 1052 | |
aoqi@0 | 1053 | public void visitCompound(Attribute.Compound a) { |
aoqi@0 | 1054 | if (a instanceof Attribute.TypeCompound) { |
aoqi@0 | 1055 | Attribute.TypeCompound ta = (Attribute.TypeCompound) a; |
aoqi@0 | 1056 | // consider a custom printer? |
aoqi@0 | 1057 | printObject("position", ta.position, Details.SUMMARY); |
aoqi@0 | 1058 | } |
aoqi@0 | 1059 | printObject("synthesized", a.isSynthesized(), Details.SUMMARY); |
aoqi@0 | 1060 | printList("values", a.values); |
aoqi@0 | 1061 | visitAttribute(a); |
aoqi@0 | 1062 | } |
aoqi@0 | 1063 | |
aoqi@0 | 1064 | public void visitArray(Attribute.Array a) { |
aoqi@0 | 1065 | printList("values", Arrays.asList(a.values)); |
aoqi@0 | 1066 | visitAttribute(a); |
aoqi@0 | 1067 | } |
aoqi@0 | 1068 | |
aoqi@0 | 1069 | public void visitEnum(Attribute.Enum a) { |
aoqi@0 | 1070 | printSymbol("value", a.value, Details.SUMMARY); |
aoqi@0 | 1071 | visitAttribute(a); |
aoqi@0 | 1072 | } |
aoqi@0 | 1073 | |
aoqi@0 | 1074 | public void visitError(Attribute.Error a) { |
aoqi@0 | 1075 | visitAttribute(a); |
aoqi@0 | 1076 | } |
aoqi@0 | 1077 | |
aoqi@0 | 1078 | public void visitAttribute(Attribute a) { |
aoqi@0 | 1079 | printType("type", a.type, Details.SUMMARY); |
aoqi@0 | 1080 | } |
aoqi@0 | 1081 | |
aoqi@0 | 1082 | } |
aoqi@0 | 1083 | // </editor-fold> |
aoqi@0 | 1084 | |
aoqi@0 | 1085 | // <editor-fold defaultstate="collapsed" desc="Utility front end"> |
aoqi@0 | 1086 | |
aoqi@0 | 1087 | /** |
aoqi@0 | 1088 | * Utility class to invoke DPrinter from the command line. |
aoqi@0 | 1089 | */ |
aoqi@0 | 1090 | static class Main { |
aoqi@0 | 1091 | public static void main(String... args) throws IOException { |
aoqi@0 | 1092 | Main m = new Main(); |
aoqi@0 | 1093 | PrintWriter out = new PrintWriter(System.out); |
aoqi@0 | 1094 | try { |
aoqi@0 | 1095 | if (args.length == 0) |
aoqi@0 | 1096 | m.usage(out); |
aoqi@0 | 1097 | else |
aoqi@0 | 1098 | m.run(out, args); |
aoqi@0 | 1099 | } finally { |
aoqi@0 | 1100 | out.flush(); |
aoqi@0 | 1101 | } |
aoqi@0 | 1102 | } |
aoqi@0 | 1103 | |
aoqi@0 | 1104 | void usage(PrintWriter out) { |
aoqi@0 | 1105 | out.println("Usage:"); |
aoqi@0 | 1106 | out.println(" java " + Main.class.getName() + " mode [options] [javac-options]"); |
aoqi@0 | 1107 | out.print("where mode is one of: "); |
aoqi@0 | 1108 | String sep = ""; |
aoqi@0 | 1109 | for (Handler h: getHandlers().values()) { |
aoqi@0 | 1110 | out.print(sep); |
aoqi@0 | 1111 | out.print(h.name); |
aoqi@0 | 1112 | sep = ", "; |
aoqi@0 | 1113 | } |
aoqi@0 | 1114 | out.println(); |
aoqi@0 | 1115 | out.println("and where options include:"); |
aoqi@0 | 1116 | out.println(" -before PARSE|ENTER|ANALYZE|GENERATE|ANNOTATION_PROCESSING|ANNOTATION_PROCESSING_ROUND"); |
aoqi@0 | 1117 | out.println(" -after PARSE|ENTER|ANALYZE|GENERATE|ANNOTATION_PROCESSING|ANNOTATION_PROCESSING_ROUND"); |
aoqi@0 | 1118 | out.println(" -showPositions"); |
aoqi@0 | 1119 | out.println(" -showSource"); |
aoqi@0 | 1120 | out.println(" -showTreeSymbols"); |
aoqi@0 | 1121 | out.println(" -showTreeTypes"); |
aoqi@0 | 1122 | out.println(" -hideEmptyItems"); |
aoqi@0 | 1123 | out.println(" -hideNulls"); |
aoqi@0 | 1124 | } |
aoqi@0 | 1125 | |
aoqi@0 | 1126 | void run(PrintWriter out, String... args) throws IOException { |
aoqi@0 | 1127 | JavaCompiler c = ToolProvider.getSystemJavaCompiler(); |
aoqi@0 | 1128 | StandardJavaFileManager fm = c.getStandardFileManager(null, null, null); |
aoqi@0 | 1129 | |
aoqi@0 | 1130 | // DPrinter options |
aoqi@0 | 1131 | final Set<TaskEvent.Kind> before = EnumSet.noneOf(TaskEvent.Kind.class); |
aoqi@0 | 1132 | final Set<TaskEvent.Kind> after = EnumSet.noneOf(TaskEvent.Kind.class); |
aoqi@0 | 1133 | boolean showPositions = false; |
aoqi@0 | 1134 | boolean showSource = false; |
aoqi@0 | 1135 | boolean showTreeSymbols = false; |
aoqi@0 | 1136 | boolean showTreeTypes = false; |
aoqi@0 | 1137 | boolean showEmptyItems = true; |
aoqi@0 | 1138 | boolean showNulls = true; |
aoqi@0 | 1139 | |
aoqi@0 | 1140 | // javac options |
aoqi@0 | 1141 | Collection<String> options = new ArrayList<String>(); |
aoqi@0 | 1142 | Collection<File> files = new ArrayList<File>(); |
aoqi@0 | 1143 | String classpath = null; |
aoqi@0 | 1144 | String classoutdir = null; |
aoqi@0 | 1145 | |
aoqi@0 | 1146 | final Handler h = getHandlers().get(args[0]); |
aoqi@0 | 1147 | if (h == null) |
aoqi@0 | 1148 | throw new IllegalArgumentException(args[0]); |
aoqi@0 | 1149 | |
aoqi@0 | 1150 | for (int i = 1; i < args.length; i++) { |
aoqi@0 | 1151 | String arg = args[i]; |
aoqi@0 | 1152 | if (arg.equals("-before") && i + 1 < args.length) { |
aoqi@0 | 1153 | before.add(getKind(args[++i])); |
aoqi@0 | 1154 | } else if (arg.equals("-after") && i + 1 < args.length) { |
aoqi@0 | 1155 | after.add(getKind(args[++i])); |
aoqi@0 | 1156 | } else if (arg.equals("-showPositions")) { |
aoqi@0 | 1157 | showPositions = true; |
aoqi@0 | 1158 | } else if (arg.equals("-showSource")) { |
aoqi@0 | 1159 | showSource = true; |
aoqi@0 | 1160 | } else if (arg.equals("-showTreeSymbols")) { |
aoqi@0 | 1161 | showTreeSymbols = true; |
aoqi@0 | 1162 | } else if (arg.equals("-showTreeTypes")) { |
aoqi@0 | 1163 | showTreeTypes = true; |
aoqi@0 | 1164 | } else if (arg.equals("-hideEmptyLists")) { |
aoqi@0 | 1165 | showEmptyItems = false; |
aoqi@0 | 1166 | } else if (arg.equals("-hideNulls")) { |
aoqi@0 | 1167 | showNulls = false; |
aoqi@0 | 1168 | } else if (arg.equals("-classpath") && i + 1 < args.length) { |
aoqi@0 | 1169 | classpath = args[++i]; |
aoqi@0 | 1170 | } else if (arg.equals("-d") && i + 1 < args.length) { |
aoqi@0 | 1171 | classoutdir = args[++i]; |
aoqi@0 | 1172 | } else if (arg.startsWith("-")) { |
aoqi@0 | 1173 | int n = c.isSupportedOption(arg); |
aoqi@0 | 1174 | if (n < 0) throw new IllegalArgumentException(arg); |
aoqi@0 | 1175 | options.add(arg); |
aoqi@0 | 1176 | while (n > 0) options.add(args[++i]); |
aoqi@0 | 1177 | } else if (arg.endsWith(".java")) { |
aoqi@0 | 1178 | files.add(new File(arg)); |
aoqi@0 | 1179 | } |
aoqi@0 | 1180 | } |
aoqi@0 | 1181 | |
aoqi@0 | 1182 | if (classoutdir != null) { |
aoqi@0 | 1183 | fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(new File(classoutdir))); |
aoqi@0 | 1184 | } |
aoqi@0 | 1185 | |
aoqi@0 | 1186 | if (classpath != null) { |
aoqi@0 | 1187 | Collection<File> path = new ArrayList<File>(); |
aoqi@0 | 1188 | for (String p: classpath.split(File.pathSeparator)) { |
aoqi@0 | 1189 | if (p.isEmpty()) continue; |
aoqi@0 | 1190 | File f = new File(p); |
aoqi@0 | 1191 | if (f.exists()) path.add(f); |
aoqi@0 | 1192 | } |
aoqi@0 | 1193 | fm.setLocation(StandardLocation.CLASS_PATH, path); |
aoqi@0 | 1194 | } |
aoqi@0 | 1195 | Iterable<? extends JavaFileObject> fos = fm.getJavaFileObjectsFromFiles(files); |
aoqi@0 | 1196 | |
aoqi@0 | 1197 | JavacTask task = (JavacTask) c.getTask(out, fm, null, options, null, fos); |
aoqi@0 | 1198 | final Trees trees = Trees.instance(task); |
aoqi@0 | 1199 | |
aoqi@0 | 1200 | final DPrinter dprinter = new DPrinter(out, trees); |
aoqi@0 | 1201 | dprinter.source(showSource) |
aoqi@0 | 1202 | .emptyItems(showEmptyItems) |
aoqi@0 | 1203 | .nulls(showNulls) |
aoqi@0 | 1204 | .positions(showPositions) |
aoqi@0 | 1205 | .treeSymbols(showTreeSymbols) |
aoqi@0 | 1206 | .treeTypes(showTreeTypes); |
aoqi@0 | 1207 | |
aoqi@0 | 1208 | if (before.isEmpty() && after.isEmpty()) { |
aoqi@0 | 1209 | if (h.name.equals("trees") && !showTreeSymbols && !showTreeTypes) |
aoqi@0 | 1210 | after.add(TaskEvent.Kind.PARSE); |
aoqi@0 | 1211 | else |
aoqi@0 | 1212 | after.add(TaskEvent.Kind.ANALYZE); |
aoqi@0 | 1213 | } |
aoqi@0 | 1214 | |
aoqi@0 | 1215 | task.addTaskListener(new TaskListener() { |
aoqi@0 | 1216 | public void started(TaskEvent e) { |
aoqi@0 | 1217 | if (before.contains(e.getKind())) |
aoqi@0 | 1218 | handle(e); |
aoqi@0 | 1219 | } |
aoqi@0 | 1220 | |
aoqi@0 | 1221 | public void finished(TaskEvent e) { |
aoqi@0 | 1222 | if (after.contains(e.getKind())) |
aoqi@0 | 1223 | handle(e); |
aoqi@0 | 1224 | } |
aoqi@0 | 1225 | |
aoqi@0 | 1226 | private void handle(TaskEvent e) { |
aoqi@0 | 1227 | switch (e.getKind()) { |
aoqi@0 | 1228 | case PARSE: |
aoqi@0 | 1229 | case ENTER: |
aoqi@0 | 1230 | h.handle(e.getSourceFile().getName(), |
aoqi@0 | 1231 | (JCTree) e.getCompilationUnit(), |
aoqi@0 | 1232 | dprinter); |
aoqi@0 | 1233 | break; |
aoqi@0 | 1234 | |
aoqi@0 | 1235 | default: |
aoqi@0 | 1236 | TypeElement elem = e.getTypeElement(); |
aoqi@0 | 1237 | h.handle(elem.toString(), |
aoqi@0 | 1238 | (JCTree) trees.getTree(elem), |
aoqi@0 | 1239 | dprinter); |
aoqi@0 | 1240 | break; |
aoqi@0 | 1241 | } |
aoqi@0 | 1242 | } |
aoqi@0 | 1243 | }); |
aoqi@0 | 1244 | |
aoqi@0 | 1245 | task.call(); |
aoqi@0 | 1246 | } |
aoqi@0 | 1247 | |
aoqi@0 | 1248 | TaskEvent.Kind getKind(String s) { |
aoqi@0 | 1249 | return TaskEvent.Kind.valueOf(s.toUpperCase()); |
aoqi@0 | 1250 | } |
aoqi@0 | 1251 | |
aoqi@0 | 1252 | static protected abstract class Handler { |
aoqi@0 | 1253 | final String name; |
aoqi@0 | 1254 | Handler(String name) { |
aoqi@0 | 1255 | this.name = name; |
aoqi@0 | 1256 | } |
aoqi@0 | 1257 | abstract void handle(String label, JCTree tree, DPrinter dprinter); |
aoqi@0 | 1258 | } |
aoqi@0 | 1259 | |
aoqi@0 | 1260 | Map<String,Handler> getHandlers() { |
aoqi@0 | 1261 | Map<String,Handler> map = new HashMap<String, Handler>(); |
aoqi@0 | 1262 | for (Handler h: defaultHandlers) { |
aoqi@0 | 1263 | map.put(h.name, h); |
aoqi@0 | 1264 | } |
aoqi@0 | 1265 | return map; |
aoqi@0 | 1266 | } |
aoqi@0 | 1267 | |
aoqi@0 | 1268 | protected final Handler[] defaultHandlers = { |
aoqi@0 | 1269 | new Handler("trees") { |
aoqi@0 | 1270 | @Override |
aoqi@0 | 1271 | void handle(String name, JCTree tree, DPrinter dprinter) { |
aoqi@0 | 1272 | dprinter.printTree(name, tree); |
aoqi@0 | 1273 | dprinter.out.println(); |
aoqi@0 | 1274 | } |
aoqi@0 | 1275 | }, |
aoqi@0 | 1276 | |
aoqi@0 | 1277 | new Handler("symbols") { |
aoqi@0 | 1278 | @Override |
aoqi@0 | 1279 | void handle(String name, JCTree tree, final DPrinter dprinter) { |
aoqi@0 | 1280 | TreeScanner ds = new TreeScanner() { |
aoqi@0 | 1281 | @Override |
aoqi@0 | 1282 | public void visitClassDef(JCClassDecl tree) { |
aoqi@0 | 1283 | visitDecl(tree, tree.sym); |
aoqi@0 | 1284 | super.visitClassDef(tree); |
aoqi@0 | 1285 | } |
aoqi@0 | 1286 | |
aoqi@0 | 1287 | @Override |
aoqi@0 | 1288 | public void visitMethodDef(JCMethodDecl tree) { |
aoqi@0 | 1289 | visitDecl(tree, tree.sym); |
aoqi@0 | 1290 | super.visitMethodDef(tree); |
aoqi@0 | 1291 | } |
aoqi@0 | 1292 | |
aoqi@0 | 1293 | @Override |
aoqi@0 | 1294 | public void visitVarDef(JCVariableDecl tree) { |
aoqi@0 | 1295 | visitDecl(tree, tree.sym); |
aoqi@0 | 1296 | super.visitVarDef(tree); |
aoqi@0 | 1297 | } |
aoqi@0 | 1298 | |
aoqi@0 | 1299 | void visitDecl(JCTree tree, Symbol sym) { |
aoqi@0 | 1300 | dprinter.printSymbol(sym.name.toString(), sym); |
aoqi@0 | 1301 | dprinter.out.println(); |
aoqi@0 | 1302 | } |
aoqi@0 | 1303 | }; |
aoqi@0 | 1304 | ds.scan(tree); |
aoqi@0 | 1305 | } |
aoqi@0 | 1306 | }, |
aoqi@0 | 1307 | |
aoqi@0 | 1308 | new Handler("types") { |
aoqi@0 | 1309 | @Override |
aoqi@0 | 1310 | void handle(String name, JCTree tree, final DPrinter dprinter) { |
aoqi@0 | 1311 | TreeScanner ts = new TreeScanner() { |
aoqi@0 | 1312 | @Override |
aoqi@0 | 1313 | public void scan(JCTree tree) { |
aoqi@0 | 1314 | if (tree == null) { |
aoqi@0 | 1315 | return; |
aoqi@0 | 1316 | } |
aoqi@0 | 1317 | if (tree.type != null) { |
aoqi@0 | 1318 | String label = Pretty.toSimpleString(tree); |
aoqi@0 | 1319 | dprinter.printType(label, tree.type); |
aoqi@0 | 1320 | dprinter.out.println(); |
aoqi@0 | 1321 | } |
aoqi@0 | 1322 | super.scan(tree); |
aoqi@0 | 1323 | } |
aoqi@0 | 1324 | }; |
aoqi@0 | 1325 | ts.scan(tree); |
aoqi@0 | 1326 | } |
aoqi@0 | 1327 | } |
aoqi@0 | 1328 | }; |
aoqi@0 | 1329 | } |
aoqi@0 | 1330 | |
aoqi@0 | 1331 | // </editor-fold> |
aoqi@0 | 1332 | |
aoqi@0 | 1333 | } |