Symtab.java (3294:9adfb22ff08f) Symtab.java (3323:680712ce0386)
1/*
1/*
2 * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *

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20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.tools.javac.code;
27
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *

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20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.tools.javac.code;
27
28import java.util.Collection;
29import java.util.Collections;
30import java.util.HashMap;
28import java.util.HashMap;
31import java.util.LinkedHashMap;
32import java.util.Map;
33
34import javax.lang.model.element.ElementVisitor;
29import java.util.Map;
30
31import javax.lang.model.element.ElementVisitor;
32import javax.tools.JavaFileObject;
35
33
34
36import com.sun.tools.javac.code.Scope.WriteableScope;
37import com.sun.tools.javac.code.Symbol.ClassSymbol;
38import com.sun.tools.javac.code.Symbol.Completer;
39import com.sun.tools.javac.code.Symbol.CompletionFailure;
40import com.sun.tools.javac.code.Symbol.MethodSymbol;
35import com.sun.tools.javac.code.Scope.WriteableScope;
36import com.sun.tools.javac.code.Symbol.ClassSymbol;
37import com.sun.tools.javac.code.Symbol.Completer;
38import com.sun.tools.javac.code.Symbol.CompletionFailure;
39import com.sun.tools.javac.code.Symbol.MethodSymbol;
41import com.sun.tools.javac.code.Symbol.ModuleSymbol;
42import com.sun.tools.javac.code.Symbol.PackageSymbol;
43import com.sun.tools.javac.code.Symbol.TypeSymbol;
44import com.sun.tools.javac.code.Symbol.VarSymbol;
45import com.sun.tools.javac.code.Type.BottomType;
46import com.sun.tools.javac.code.Type.ClassType;
47import com.sun.tools.javac.code.Type.ErrorType;
48import com.sun.tools.javac.code.Type.JCPrimitiveType;
49import com.sun.tools.javac.code.Type.JCVoidType;
50import com.sun.tools.javac.code.Type.MethodType;
51import com.sun.tools.javac.code.Type.UnknownType;
40import com.sun.tools.javac.code.Symbol.PackageSymbol;
41import com.sun.tools.javac.code.Symbol.TypeSymbol;
42import com.sun.tools.javac.code.Symbol.VarSymbol;
43import com.sun.tools.javac.code.Type.BottomType;
44import com.sun.tools.javac.code.Type.ClassType;
45import com.sun.tools.javac.code.Type.ErrorType;
46import com.sun.tools.javac.code.Type.JCPrimitiveType;
47import com.sun.tools.javac.code.Type.JCVoidType;
48import com.sun.tools.javac.code.Type.MethodType;
49import com.sun.tools.javac.code.Type.UnknownType;
52import com.sun.tools.javac.comp.Modules;
50import com.sun.tools.javac.jvm.Target;
53import com.sun.tools.javac.util.Assert;
54import com.sun.tools.javac.util.Context;
55import com.sun.tools.javac.util.Convert;
56import com.sun.tools.javac.util.DefinedBy;
57import com.sun.tools.javac.util.DefinedBy.Api;
51import com.sun.tools.javac.util.Assert;
52import com.sun.tools.javac.util.Context;
53import com.sun.tools.javac.util.Convert;
54import com.sun.tools.javac.util.DefinedBy;
55import com.sun.tools.javac.util.DefinedBy.Api;
58import com.sun.tools.javac.util.Iterators;
59import com.sun.tools.javac.util.JavacMessages;
60import com.sun.tools.javac.util.List;
56import com.sun.tools.javac.util.JavacMessages;
57import com.sun.tools.javac.util.List;
58import com.sun.tools.javac.util.Log;
61import com.sun.tools.javac.util.Name;
62import com.sun.tools.javac.util.Names;
59import com.sun.tools.javac.util.Name;
60import com.sun.tools.javac.util.Names;
63import com.sun.tools.javac.util.Options;
64
65import static com.sun.tools.javac.code.Flags.*;
66import static com.sun.tools.javac.code.Kinds.Kind.*;
67import static com.sun.tools.javac.code.TypeTag.*;
68
69/** A class that defines all predefined constants and operators
70 * as well as special classes such as java.lang.Object, which need
71 * to be known to the compiler. All symbols are held in instance

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98 public final JCPrimitiveType longType = new JCPrimitiveType(LONG, null);
99 public final JCPrimitiveType floatType = new JCPrimitiveType(FLOAT, null);
100 public final JCPrimitiveType doubleType = new JCPrimitiveType(DOUBLE, null);
101 public final JCPrimitiveType booleanType = new JCPrimitiveType(BOOLEAN, null);
102 public final Type botType = new BottomType();
103 public final JCVoidType voidType = new JCVoidType();
104
105 private final Names names;
61
62import static com.sun.tools.javac.code.Flags.*;
63import static com.sun.tools.javac.code.Kinds.Kind.*;
64import static com.sun.tools.javac.code.TypeTag.*;
65
66/** A class that defines all predefined constants and operators
67 * as well as special classes such as java.lang.Object, which need
68 * to be known to the compiler. All symbols are held in instance

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95 public final JCPrimitiveType longType = new JCPrimitiveType(LONG, null);
96 public final JCPrimitiveType floatType = new JCPrimitiveType(FLOAT, null);
97 public final JCPrimitiveType doubleType = new JCPrimitiveType(DOUBLE, null);
98 public final JCPrimitiveType booleanType = new JCPrimitiveType(BOOLEAN, null);
99 public final Type botType = new BottomType();
100 public final JCVoidType voidType = new JCVoidType();
101
102 private final Names names;
106 private final JavacMessages messages;
107 private final Completer initialCompleter;
103 private final Completer initialCompleter;
108 private final Completer moduleCompleter;
104 private final Target target;
109
105
110 /** A symbol for the unnamed module.
111 */
112 public final ModuleSymbol unnamedModule;
113
114 /** The error module.
115 */
116 public final ModuleSymbol errModule;
117
118 /** A symbol for no module, for use with -source 8 or less
119 */
120 public final ModuleSymbol noModule;
121
122 /** A symbol for the root package.
123 */
124 public final PackageSymbol rootPackage;
125
106 /** A symbol for the root package.
107 */
108 public final PackageSymbol rootPackage;
109
110 /** A symbol for the unnamed package.
111 */
112 public final PackageSymbol unnamedPackage;
113
126 /** A symbol that stands for a missing symbol.
127 */
128 public final TypeSymbol noSymbol;
129
130 /** The error symbol.
131 */
132 public final ClassSymbol errSymbol;
133

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146 public final MethodSymbol arrayCloneMethod;
147
148 /** VGJ: The (singleton) type of all bound types. */
149 public final ClassSymbol boundClass;
150
151 /** The builtin type of all methods. */
152 public final ClassSymbol methodClass;
153
114 /** A symbol that stands for a missing symbol.
115 */
116 public final TypeSymbol noSymbol;
117
118 /** The error symbol.
119 */
120 public final ClassSymbol errSymbol;
121

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134 public final MethodSymbol arrayCloneMethod;
135
136 /** VGJ: The (singleton) type of all bound types. */
137 public final ClassSymbol boundClass;
138
139 /** The builtin type of all methods. */
140 public final ClassSymbol methodClass;
141
154 /** A symbol for the java.base module.
155 */
156 public final ModuleSymbol java_base;
157
158 /** Predefined types.
159 */
160 public final Type objectType;
161 public final Type objectsType;
162 public final Type classType;
163 public final Type classLoaderType;
164 public final Type stringType;
165 public final Type stringBufferType;
166 public final Type stringBuilderType;
167 public final Type cloneableType;
168 public final Type serializableType;
169 public final Type serializedLambdaType;
142 /** Predefined types.
143 */
144 public final Type objectType;
145 public final Type objectsType;
146 public final Type classType;
147 public final Type classLoaderType;
148 public final Type stringType;
149 public final Type stringBufferType;
150 public final Type stringBuilderType;
151 public final Type cloneableType;
152 public final Type serializableType;
153 public final Type serializedLambdaType;
154 public final Type varHandleType;
170 public final Type methodHandleType;
171 public final Type methodHandleLookupType;
172 public final Type methodTypeType;
173 public final Type nativeHeaderType;
174 public final Type throwableType;
175 public final Type errorType;
176 public final Type interruptedExceptionType;
177 public final Type illegalArgumentExceptionType;

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219
220 /** The symbol representing the close method on TWR AutoCloseable type */
221 public final MethodSymbol autoCloseableClose;
222
223 /** The predefined type that belongs to a tag.
224 */
225 public final Type[] typeOfTag = new Type[TypeTag.getTypeTagCount()];
226
155 public final Type methodHandleType;
156 public final Type methodHandleLookupType;
157 public final Type methodTypeType;
158 public final Type nativeHeaderType;
159 public final Type throwableType;
160 public final Type errorType;
161 public final Type interruptedExceptionType;
162 public final Type illegalArgumentExceptionType;

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204
205 /** The symbol representing the close method on TWR AutoCloseable type */
206 public final MethodSymbol autoCloseableClose;
207
208 /** The predefined type that belongs to a tag.
209 */
210 public final Type[] typeOfTag = new Type[TypeTag.getTypeTagCount()];
211
227 /** The name of the class that belongs to a basic type tag.
212 /** The name of the class that belongs to a basix type tag.
228 */
229 public final Name[] boxedName = new Name[TypeTag.getTypeTagCount()];
230
231 /** A hashtable containing the encountered top-level and member classes,
232 * indexed by flat names. The table does not contain local classes.
233 * It should be updated from the outside to reflect classes defined
234 * by compiled source files.
235 */
213 */
214 public final Name[] boxedName = new Name[TypeTag.getTypeTagCount()];
215
216 /** A hashtable containing the encountered top-level and member classes,
217 * indexed by flat names. The table does not contain local classes.
218 * It should be updated from the outside to reflect classes defined
219 * by compiled source files.
220 */
236 private final Map<Name, Map<ModuleSymbol,ClassSymbol>> classes = new HashMap<>();
221 public final Map<Name, ClassSymbol> classes = new HashMap<>();
237
238 /** A hashtable containing the encountered packages.
239 * the table should be updated from outside to reflect packages defined
240 * by compiled source files.
241 */
222
223 /** A hashtable containing the encountered packages.
224 * the table should be updated from outside to reflect packages defined
225 * by compiled source files.
226 */
242 private final Map<Name, Map<ModuleSymbol,PackageSymbol>> packages = new HashMap<>();
227 public final Map<Name, PackageSymbol> packages = new HashMap<>();
243
228
244 /** A hashtable giving the encountered modules.
245 */
246 private final Map<Name, ModuleSymbol> modules = new LinkedHashMap<>();
247
248 public void initType(Type type, ClassSymbol c) {
249 type.tsym = c;
250 typeOfTag[type.getTag().ordinal()] = type;
251 }
252
253 public void initType(Type type, String name) {
254 initType(
255 type,
256 new ClassSymbol(
257 PUBLIC, names.fromString(name), type, rootPackage));
258 }
259
260 public void initType(Type type, String name, String bname) {
261 initType(type, name);
229 public void initType(Type type, ClassSymbol c) {
230 type.tsym = c;
231 typeOfTag[type.getTag().ordinal()] = type;
232 }
233
234 public void initType(Type type, String name) {
235 initType(
236 type,
237 new ClassSymbol(
238 PUBLIC, names.fromString(name), type, rootPackage));
239 }
240
241 public void initType(Type type, String name, String bname) {
242 initType(type, name);
262 boxedName[type.getTag().ordinal()] = names.fromString("java.lang." + bname);
243 boxedName[type.getTag().ordinal()] = names.fromString("java.lang." + bname);
263 }
264
265 /** The class symbol that owns all predefined symbols.
266 */
267 public final ClassSymbol predefClass;
268
269 /** Enter a class into symbol table.
270 * @param s The name of the class.
271 */
272 private Type enterClass(String s) {
244 }
245
246 /** The class symbol that owns all predefined symbols.
247 */
248 public final ClassSymbol predefClass;
249
250 /** Enter a class into symbol table.
251 * @param s The name of the class.
252 */
253 private Type enterClass(String s) {
273 return enterClass(java_base, names.fromString(s)).type;
254 return enterClass(names.fromString(s)).type;
274 }
275
276 public void synthesizeEmptyInterfaceIfMissing(final Type type) {
277 final Completer completer = type.tsym.completer;
278 type.tsym.completer = new Completer() {
255 }
256
257 public void synthesizeEmptyInterfaceIfMissing(final Type type) {
258 final Completer completer = type.tsym.completer;
259 type.tsym.completer = new Completer() {
279 @Override
280 public void complete(Symbol sym) throws CompletionFailure {
281 try {
282 completer.complete(sym);
283 } catch (CompletionFailure e) {
284 sym.flags_field |= (PUBLIC | INTERFACE);
285 ((ClassType) sym.type).supertype_field = objectType;
286 }
287 }
288
289 @Override
290 public boolean isTerminal() {
291 return completer.isTerminal();
292 }
293 };
294 }
295
296 public void synthesizeBoxTypeIfMissing(final Type type) {
260 public void complete(Symbol sym) throws CompletionFailure {
261 try {
262 completer.complete(sym);
263 } catch (CompletionFailure e) {
264 sym.flags_field |= (PUBLIC | INTERFACE);
265 ((ClassType) sym.type).supertype_field = objectType;
266 }
267 }
268
269 @Override
270 public boolean isTerminal() {
271 return completer.isTerminal();
272 }
273 };
274 }
275
276 public void synthesizeBoxTypeIfMissing(final Type type) {
297 ClassSymbol sym = enterClass(java_base, boxedName[type.getTag().ordinal()]);
277 ClassSymbol sym = enterClass(boxedName[type.getTag().ordinal()]);
298 final Completer completer = sym.completer;
299 sym.completer = new Completer() {
278 final Completer completer = sym.completer;
279 sym.completer = new Completer() {
300 @Override
301 public void complete(Symbol sym) throws CompletionFailure {
302 try {
303 completer.complete(sym);
304 } catch (CompletionFailure e) {
305 sym.flags_field |= PUBLIC;
306 ((ClassType) sym.type).supertype_field = objectType;
307 MethodSymbol boxMethod =
308 new MethodSymbol(PUBLIC | STATIC, names.valueOf,

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325 return completer.isTerminal();
326 }
327 };
328 }
329
330 // Enter a synthetic class that is used to mark classes in ct.sym.
331 // This class does not have a class file.
332 private Type enterSyntheticAnnotation(String name) {
280 public void complete(Symbol sym) throws CompletionFailure {
281 try {
282 completer.complete(sym);
283 } catch (CompletionFailure e) {
284 sym.flags_field |= PUBLIC;
285 ((ClassType) sym.type).supertype_field = objectType;
286 MethodSymbol boxMethod =
287 new MethodSymbol(PUBLIC | STATIC, names.valueOf,

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304 return completer.isTerminal();
305 }
306 };
307 }
308
309 // Enter a synthetic class that is used to mark classes in ct.sym.
310 // This class does not have a class file.
311 private Type enterSyntheticAnnotation(String name) {
333 // for now, leave the module null, to prevent problems from synthesizing the
334 // existence of a class in any specific module, including noModule
335 ClassType type = (ClassType)enterClass(java_base, names.fromString(name)).type;
312 ClassType type = (ClassType)enterClass(name);
336 ClassSymbol sym = (ClassSymbol)type.tsym;
337 sym.completer = Completer.NULL_COMPLETER;
338 sym.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE;
339 sym.erasure_field = type;
340 sym.members_field = WriteableScope.create(sym);
341 type.typarams_field = List.nil();
342 type.allparams_field = List.nil();
343 type.supertype_field = annotationType;
344 type.interfaces_field = List.nil();
345 return type;
346 }
347
348 /** Constructor; enters all predefined identifiers and operators
349 * into symbol table.
350 */
351 protected Symtab(Context context) throws CompletionFailure {
352 context.put(symtabKey, this);
353
354 names = Names.instance(context);
313 ClassSymbol sym = (ClassSymbol)type.tsym;
314 sym.completer = Completer.NULL_COMPLETER;
315 sym.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE;
316 sym.erasure_field = type;
317 sym.members_field = WriteableScope.create(sym);
318 type.typarams_field = List.nil();
319 type.allparams_field = List.nil();
320 type.supertype_field = annotationType;
321 type.interfaces_field = List.nil();
322 return type;
323 }
324
325 /** Constructor; enters all predefined identifiers and operators
326 * into symbol table.
327 */
328 protected Symtab(Context context) throws CompletionFailure {
329 context.put(symtabKey, this);
330
331 names = Names.instance(context);
332 target = Target.instance(context);
355
356 // Create the unknown type
357 unknownType = new UnknownType();
358
333
334 // Create the unknown type
335 unknownType = new UnknownType();
336
359 messages = JavacMessages.instance(context);
360
361 rootPackage = new PackageSymbol(names.empty, null);
362
363 // create the basic builtin symbols
337 // create the basic builtin symbols
364 unnamedModule = new ModuleSymbol(names.empty, null) {
365 @Override
338 rootPackage = new PackageSymbol(names.empty, null);
339 packages.put(names.empty, rootPackage);
340 final JavacMessages messages = JavacMessages.instance(context);
341 unnamedPackage = new PackageSymbol(names.empty, rootPackage) {
366 public String toString() {
342 public String toString() {
367 return messages.getLocalizedString("compiler.misc.unnamed.module");
343 return messages.getLocalizedString("compiler.misc.unnamed.package");
368 }
369 };
344 }
345 };
370 addRootPackageFor(unnamedModule);
371
372 errModule = new ModuleSymbol(names.empty, null) { };
373 addRootPackageFor(errModule);
374
375 noModule = new ModuleSymbol(names.empty, null) {
376 @Override public boolean isNoModule() {
377 return true;
378 }
379 };
380 addRootPackageFor(noModule);
381
382 noSymbol = new TypeSymbol(NIL, 0, names.empty, Type.noType, rootPackage) {
346 noSymbol = new TypeSymbol(NIL, 0, names.empty, Type.noType, rootPackage) {
383 @Override @DefinedBy(Api.LANGUAGE_MODEL)
347 @DefinedBy(Api.LANGUAGE_MODEL)
384 public <R, P> R accept(ElementVisitor<R, P> v, P p) {
385 return v.visitUnknown(this, p);
386 }
387 };
388
389 // create the error symbols
390 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage);
391 errType = new ErrorType(errSymbol, Type.noType);

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421
422 // Create class to hold all predefined constants and operations.
423 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage);
424 WriteableScope scope = WriteableScope.create(predefClass);
425 predefClass.members_field = scope;
426
427 // Get the initial completer for Symbols from the ClassFinder
428 initialCompleter = ClassFinder.instance(context).getCompleter();
348 public <R, P> R accept(ElementVisitor<R, P> v, P p) {
349 return v.visitUnknown(this, p);
350 }
351 };
352
353 // create the error symbols
354 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage);
355 errType = new ErrorType(errSymbol, Type.noType);

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385
386 // Create class to hold all predefined constants and operations.
387 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage);
388 WriteableScope scope = WriteableScope.create(predefClass);
389 predefClass.members_field = scope;
390
391 // Get the initial completer for Symbols from the ClassFinder
392 initialCompleter = ClassFinder.instance(context).getCompleter();
429 rootPackage.members_field = WriteableScope.create(rootPackage);
393 rootPackage.completer = initialCompleter;
394 unnamedPackage.completer = initialCompleter;
430
431 // Enter symbols for basic types.
432 scope.enter(byteType.tsym);
433 scope.enter(shortType.tsym);
434 scope.enter(charType.tsym);
435 scope.enter(intType.tsym);
436 scope.enter(longType.tsym);
437 scope.enter(floatType.tsym);
438 scope.enter(doubleType.tsym);
439 scope.enter(booleanType.tsym);
440 scope.enter(errType.tsym);
441
442 // Enter symbol for the errSymbol
443 scope.enter(errSymbol);
444
395
396 // Enter symbols for basic types.
397 scope.enter(byteType.tsym);
398 scope.enter(shortType.tsym);
399 scope.enter(charType.tsym);
400 scope.enter(intType.tsym);
401 scope.enter(longType.tsym);
402 scope.enter(floatType.tsym);
403 scope.enter(doubleType.tsym);
404 scope.enter(booleanType.tsym);
405 scope.enter(errType.tsym);
406
407 // Enter symbol for the errSymbol
408 scope.enter(errSymbol);
409
445 Source source = Source.instance(context);
446 Options options = Options.instance(context);
447 boolean noModules = options.isSet("noModules");
448 if (source.allowModules() && !noModules) {
449 java_base = enterModule(names.java_base);
450 //avoid completing java.base during the Symtab initialization
451 java_base.completer = Completer.NULL_COMPLETER;
452 java_base.visiblePackages = Collections.emptyMap();
453 } else {
454 java_base = noModule;
455 }
410 classes.put(predefClass.fullname, predefClass);
456
411
457 // Get the initial completer for ModuleSymbols from Modules
458 moduleCompleter = Modules.instance(context).getCompleter();
459
460 // Enter predefined classes. All are assumed to be in the java.base module.
412 // Enter predefined classes.
461 objectType = enterClass("java.lang.Object");
462 objectsType = enterClass("java.util.Objects");
463 classType = enterClass("java.lang.Class");
464 stringType = enterClass("java.lang.String");
465 stringBufferType = enterClass("java.lang.StringBuffer");
466 stringBuilderType = enterClass("java.lang.StringBuilder");
467 cloneableType = enterClass("java.lang.Cloneable");
468 throwableType = enterClass("java.lang.Throwable");
469 serializableType = enterClass("java.io.Serializable");
470 serializedLambdaType = enterClass("java.lang.invoke.SerializedLambda");
413 objectType = enterClass("java.lang.Object");
414 objectsType = enterClass("java.util.Objects");
415 classType = enterClass("java.lang.Class");
416 stringType = enterClass("java.lang.String");
417 stringBufferType = enterClass("java.lang.StringBuffer");
418 stringBuilderType = enterClass("java.lang.StringBuilder");
419 cloneableType = enterClass("java.lang.Cloneable");
420 throwableType = enterClass("java.lang.Throwable");
421 serializableType = enterClass("java.io.Serializable");
422 serializedLambdaType = enterClass("java.lang.invoke.SerializedLambda");
423 varHandleType = enterClass("java.lang.invoke.VarHandle");
471 methodHandleType = enterClass("java.lang.invoke.MethodHandle");
472 methodHandleLookupType = enterClass("java.lang.invoke.MethodHandles$Lookup");
473 methodTypeType = enterClass("java.lang.invoke.MethodType");
474 errorType = enterClass("java.lang.Error");
475 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException");
476 interruptedExceptionType = enterClass("java.lang.InterruptedException");
477 exceptionType = enterClass("java.lang.Exception");
478 runtimeExceptionType = enterClass("java.lang.RuntimeException");
479 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException");
480 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError");
481 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError");
482 assertionErrorType = enterClass("java.lang.AssertionError");
483 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException");
484 annotationType = enterClass("java.lang.annotation.Annotation");
485 classLoaderType = enterClass("java.lang.ClassLoader");
424 methodHandleType = enterClass("java.lang.invoke.MethodHandle");
425 methodHandleLookupType = enterClass("java.lang.invoke.MethodHandles$Lookup");
426 methodTypeType = enterClass("java.lang.invoke.MethodType");
427 errorType = enterClass("java.lang.Error");
428 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException");
429 interruptedExceptionType = enterClass("java.lang.InterruptedException");
430 exceptionType = enterClass("java.lang.Exception");
431 runtimeExceptionType = enterClass("java.lang.RuntimeException");
432 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException");
433 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError");
434 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError");
435 assertionErrorType = enterClass("java.lang.AssertionError");
436 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException");
437 annotationType = enterClass("java.lang.annotation.Annotation");
438 classLoaderType = enterClass("java.lang.ClassLoader");
486 enumSym = enterClass(java_base, names.java_lang_Enum);
439 enumSym = enterClass(names.java_lang_Enum);
487 enumFinalFinalize =
488 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL,
489 names.finalize,
490 new MethodType(List.<Type>nil(), voidType,
491 List.<Type>nil(), methodClass),
492 enumSym);
493 listType = enterClass("java.util.List");
494 collectionsType = enterClass("java.util.Collections");

--- 61 unchanged lines hidden (view full) ---

556 arrayClass.members().enter(lengthVar);
557 arrayCloneMethod = new MethodSymbol(
558 PUBLIC,
559 names.clone,
560 new MethodType(List.<Type>nil(), objectType,
561 List.<Type>nil(), methodClass),
562 arrayClass);
563 arrayClass.members().enter(arrayCloneMethod);
440 enumFinalFinalize =
441 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL,
442 names.finalize,
443 new MethodType(List.<Type>nil(), voidType,
444 List.<Type>nil(), methodClass),
445 enumSym);
446 listType = enterClass("java.util.List");
447 collectionsType = enterClass("java.util.Collections");

--- 61 unchanged lines hidden (view full) ---

509 arrayClass.members().enter(lengthVar);
510 arrayCloneMethod = new MethodSymbol(
511 PUBLIC,
512 names.clone,
513 new MethodType(List.<Type>nil(), objectType,
514 List.<Type>nil(), methodClass),
515 arrayClass);
516 arrayClass.members().enter(arrayCloneMethod);
564
565 if (java_base != noModule)
566 java_base.completer = sym -> moduleCompleter.complete(sym); //bootstrap issues
567
568 }
569
570 /** Define a new class given its name and owner.
571 */
572 public ClassSymbol defineClass(Name name, Symbol owner) {
573 ClassSymbol c = new ClassSymbol(0, name, owner);
517 }
518
519 /** Define a new class given its name and owner.
520 */
521 public ClassSymbol defineClass(Name name, Symbol owner) {
522 ClassSymbol c = new ClassSymbol(0, name, owner);
523 if (owner.kind == PCK)
524 Assert.checkNull(classes.get(c.flatname), c);
574 c.completer = initialCompleter;
575 return c;
576 }
577
578 /** Create a new toplevel or member class symbol with given name
579 * and owner and enter in `classes' unless already there.
580 */
525 c.completer = initialCompleter;
526 return c;
527 }
528
529 /** Create a new toplevel or member class symbol with given name
530 * and owner and enter in `classes' unless already there.
531 */
581 public ClassSymbol enterClass(ModuleSymbol msym, Name name, TypeSymbol owner) {
582 Assert.checkNonNull(msym);
532 public ClassSymbol enterClass(Name name, TypeSymbol owner) {
583 Name flatname = TypeSymbol.formFlatName(name, owner);
533 Name flatname = TypeSymbol.formFlatName(name, owner);
584 ClassSymbol c = getClass(msym, flatname);
534 ClassSymbol c = classes.get(flatname);
585 if (c == null) {
586 c = defineClass(name, owner);
535 if (c == null) {
536 c = defineClass(name, owner);
587 doEnterClass(msym, c);
537 classes.put(flatname, c);
588 } else if ((c.name != name || c.owner != owner) && owner.kind == TYP && c.owner.kind == PCK) {
589 // reassign fields of classes that might have been loaded with
590 // their flat names.
591 c.owner.members().remove(c);
592 c.name = name;
593 c.owner = owner;
594 c.fullname = ClassSymbol.formFullName(name, owner);
595 }
596 return c;
597 }
598
538 } else if ((c.name != name || c.owner != owner) && owner.kind == TYP && c.owner.kind == PCK) {
539 // reassign fields of classes that might have been loaded with
540 // their flat names.
541 c.owner.members().remove(c);
542 c.name = name;
543 c.owner = owner;
544 c.fullname = ClassSymbol.formFullName(name, owner);
545 }
546 return c;
547 }
548
599 public ClassSymbol getClass(ModuleSymbol msym, Name flatName) {
600 Assert.checkNonNull(msym, () -> flatName.toString());
601 return classes.getOrDefault(flatName, Collections.emptyMap()).get(msym);
602 }
603
604 public PackageSymbol lookupPackage(ModuleSymbol msym, Name flatName) {
605 Assert.checkNonNull(msym);
606
607 if (flatName.isEmpty()) {
608 //unnamed packages only from the current module - visiblePackages contains *root* package, not unnamed package!
609 return msym.unnamedPackage;
549 /**
550 * Creates a new toplevel class symbol with given flat name and
551 * given class (or source) file.
552 *
553 * @param flatName a fully qualified binary class name
554 * @param classFile the class file or compilation unit defining
555 * the class (may be {@code null})
556 * @return a newly created class symbol
557 * @throws AssertionError if the class symbol already exists
558 */
559 public ClassSymbol enterClass(Name flatName, JavaFileObject classFile) {
560 ClassSymbol cs = classes.get(flatName);
561 if (cs != null) {
562 String msg = Log.format("%s: completer = %s; class file = %s; source file = %s",
563 cs.fullname,
564 cs.completer,
565 cs.classfile,
566 cs.sourcefile);
567 throw new AssertionError(msg);
610 }
568 }
611
612 if (msym == noModule) {
613 return enterPackage(msym, flatName);
614 }
615
616 msym.complete();
617
618 PackageSymbol pack;
619
620 pack = msym.visiblePackages.get(flatName);
621
622 if (pack != null)
623 return pack;
624
625 pack = getPackage(msym, flatName);
626
627 if (pack != null && pack.exists())
628 return pack;
629
630 boolean dependsOnUnnamed = msym.requires != null &&
631 msym.requires.stream()
632 .map(rd -> rd.module)
633 .anyMatch(mod -> mod == unnamedModule);
634
635 if (dependsOnUnnamed) {
636 //msyms depends on the unnamed module, for which we generally don't know
637 //the list of packages it "exports" ahead of time. So try to lookup the package in the
638 //current module, and in the unnamed module and see if it exists in one of them
639 PackageSymbol unnamedPack = getPackage(unnamedModule, flatName);
640
641 if (unnamedPack != null && unnamedPack.exists()) {
642 msym.visiblePackages.put(unnamedPack.fullname, unnamedPack);
643 return unnamedPack;
644 }
645
646 pack = enterPackage(msym, flatName);
647 pack.complete();
648 if (pack.exists())
649 return pack;
650
651 unnamedPack = enterPackage(unnamedModule, flatName);
652 unnamedPack.complete();
653 if (unnamedPack.exists()) {
654 msym.visiblePackages.put(unnamedPack.fullname, unnamedPack);
655 return unnamedPack;
656 }
657
658 return pack;
659 }
660
661 return enterPackage(msym, flatName);
569 Name packageName = Convert.packagePart(flatName);
570 PackageSymbol owner = packageName.isEmpty()
571 ? unnamedPackage
572 : enterPackage(packageName);
573 cs = defineClass(Convert.shortName(flatName), owner);
574 cs.classfile = classFile;
575 classes.put(flatName, cs);
576 return cs;
662 }
663
577 }
578
664 private static final Map<ModuleSymbol, ClassSymbol> EMPTY = new HashMap<>();
665
666 public void removeClass(ModuleSymbol msym, Name flatName) {
667 classes.getOrDefault(flatName, EMPTY).remove(msym);
668 }
669
670 public Iterable<ClassSymbol> getAllClasses() {
671 return () -> Iterators.createCompoundIterator(classes.values(), v -> v.values().iterator());
672 }
673
674 private void doEnterClass(ModuleSymbol msym, ClassSymbol cs) {
675 classes.computeIfAbsent(cs.flatname, n -> new HashMap<>()).put(msym, cs);
676 }
677
678 /** Create a new member or toplevel class symbol with given flat name
679 * and enter in `classes' unless already there.
680 */
579 /** Create a new member or toplevel class symbol with given flat name
580 * and enter in `classes' unless already there.
581 */
681 public ClassSymbol enterClass(ModuleSymbol msym, Name flatname) {
682 Assert.checkNonNull(msym);
683 PackageSymbol ps = lookupPackage(msym, Convert.packagePart(flatname));
684 Assert.checkNonNull(ps);
685 Assert.checkNonNull(ps.modle);
686 ClassSymbol c = getClass(ps.modle, flatname);
687 if (c == null) {
688 c = defineClass(Convert.shortName(flatname), ps);
689 doEnterClass(ps.modle, c);
582 public ClassSymbol enterClass(Name flatname) {
583 ClassSymbol c = classes.get(flatname);
584 if (c == null)
585 return enterClass(flatname, (JavaFileObject)null);
586 else
690 return c;
587 return c;
691 } else
692 return c;
693 }
694
695 /** Check to see if a package exists, given its fully qualified name.
696 */
588 }
589
590 /** Check to see if a package exists, given its fully qualified name.
591 */
697 public boolean packageExists(ModuleSymbol msym, Name fullname) {
698 Assert.checkNonNull(msym);
699 return enterPackage(msym, fullname).exists();
592 public boolean packageExists(Name fullname) {
593 return enterPackage(fullname).exists();
700 }
701
702 /** Make a package, given its fully qualified name.
703 */
594 }
595
596 /** Make a package, given its fully qualified name.
597 */
704 public PackageSymbol enterPackage(ModuleSymbol currModule, Name fullname) {
705 Assert.checkNonNull(currModule);
706 PackageSymbol p = getPackage(currModule, fullname);
598 public PackageSymbol enterPackage(Name fullname) {
599 PackageSymbol p = packages.get(fullname);
707 if (p == null) {
600 if (p == null) {
708 Assert.check(!fullname.isEmpty(), () -> "rootPackage missing!; currModule: " + currModule);
601 Assert.check(!fullname.isEmpty(), "rootPackage missing!");
709 p = new PackageSymbol(
602 p = new PackageSymbol(
710 Convert.shortName(fullname),
711 enterPackage(currModule, Convert.packagePart(fullname)));
603 Convert.shortName(fullname),
604 enterPackage(Convert.packagePart(fullname)));
712 p.completer = initialCompleter;
605 p.completer = initialCompleter;
713 p.modle = currModule;
714 doEnterPackage(currModule, p);
606 packages.put(fullname, p);
715 }
716 return p;
717 }
718
607 }
608 return p;
609 }
610
719 private void doEnterPackage(ModuleSymbol msym, PackageSymbol pack) {
720 packages.computeIfAbsent(pack.fullname, n -> new HashMap<>()).put(msym, pack);
721 msym.enclosedPackages = msym.enclosedPackages.prepend(pack);
611 /** Make a package, given its unqualified name and enclosing package.
612 */
613 public PackageSymbol enterPackage(Name name, PackageSymbol owner) {
614 return enterPackage(TypeSymbol.formFullName(name, owner));
722 }
615 }
723
724 private void addRootPackageFor(ModuleSymbol module) {
725 doEnterPackage(module, rootPackage);
726 PackageSymbol unnamedPackage = new PackageSymbol(names.empty, rootPackage) {
727 @Override
728 public String toString() {
729 return messages.getLocalizedString("compiler.misc.unnamed.package");
730 }
731 };
732 unnamedPackage.modle = module;
733 unnamedPackage.completer = sym -> initialCompleter.complete(sym);
734 module.unnamedPackage = unnamedPackage;
735 }
736
737 public PackageSymbol getPackage(ModuleSymbol module, Name fullname) {
738 return packages.getOrDefault(fullname, Collections.emptyMap()).get(module);
739 }
740
741 public ModuleSymbol enterModule(Name name) {
742 ModuleSymbol msym = modules.get(name);
743 if (msym == null) {
744 msym = ModuleSymbol.create(name, names.module_info);
745 addRootPackageFor(msym);
746 msym.completer = sym -> moduleCompleter.complete(sym); //bootstrap issues
747 modules.put(name, msym);
748 }
749 return msym;
750 }
751
752 public void enterModule(ModuleSymbol msym, Name name) {
753 Assert.checkNull(modules.get(name));
754 Assert.checkNull(msym.name);
755 msym.name = name;
756 addRootPackageFor(msym);
757 ClassSymbol info = msym.module_info;
758 info.fullname = msym.name.append('.', names.module_info);
759 info.flatname = info.fullname;
760 modules.put(name, msym);
761 }
762
763 public ModuleSymbol getModule(Name name) {
764 return modules.get(name);
765 }
766
767 //temporary:
768 public ModuleSymbol inferModule(Name packageName) {
769 if (packageName.isEmpty())
770 return java_base == noModule ? noModule : unnamedModule;//!
771
772 ModuleSymbol msym = null;
773 Map<ModuleSymbol,PackageSymbol> map = packages.get(packageName);
774 if (map == null)
775 return null;
776 for (Map.Entry<ModuleSymbol,PackageSymbol> e: map.entrySet()) {
777 if (!e.getValue().members().isEmpty()) {
778 if (msym == null) {
779 msym = e.getKey();
780 } else {
781 return null;
782 }
783 }
784 }
785 return msym;
786 }
787
788 public List<ModuleSymbol> listPackageModules(Name packageName) {
789 if (packageName.isEmpty())
790 return List.nil();
791
792 List<ModuleSymbol> result = List.nil();
793 Map<ModuleSymbol,PackageSymbol> map = packages.get(packageName);
794 if (map != null) {
795 for (Map.Entry<ModuleSymbol, PackageSymbol> e: map.entrySet()) {
796 if (!e.getValue().members().isEmpty()) {
797 result = result.prepend(e.getKey());
798 }
799 }
800 }
801 return result;
802 }
803
804 public Collection<ModuleSymbol> getAllModules() {
805 return modules.values();
806 }
807}
616}