1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/javac/code/Symtab.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,723 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.tools.javac.code;
1.30 +
1.31 +import java.util.*;
1.32 +
1.33 +import javax.lang.model.element.ElementVisitor;
1.34 +
1.35 +import com.sun.tools.javac.code.Symbol.*;
1.36 +import com.sun.tools.javac.code.Type.*;
1.37 +import com.sun.tools.javac.jvm.*;
1.38 +import com.sun.tools.javac.util.*;
1.39 +import com.sun.tools.javac.util.List;
1.40 +import static com.sun.tools.javac.code.Flags.*;
1.41 +import static com.sun.tools.javac.jvm.ByteCodes.*;
1.42 +import static com.sun.tools.javac.code.TypeTag.*;
1.43 +
1.44 +/** A class that defines all predefined constants and operators
1.45 + * as well as special classes such as java.lang.Object, which need
1.46 + * to be known to the compiler. All symbols are held in instance
1.47 + * fields. This makes it possible to work in multiple concurrent
1.48 + * projects, which might use different class files for library classes.
1.49 + *
1.50 + * <p><b>This is NOT part of any supported API.
1.51 + * If you write code that depends on this, you do so at your own risk.
1.52 + * This code and its internal interfaces are subject to change or
1.53 + * deletion without notice.</b>
1.54 + */
1.55 +public class Symtab {
1.56 + /** The context key for the symbol table. */
1.57 + protected static final Context.Key<Symtab> symtabKey =
1.58 + new Context.Key<Symtab>();
1.59 +
1.60 + /** Get the symbol table instance. */
1.61 + public static Symtab instance(Context context) {
1.62 + Symtab instance = context.get(symtabKey);
1.63 + if (instance == null)
1.64 + instance = new Symtab(context);
1.65 + return instance;
1.66 + }
1.67 +
1.68 + /** Builtin types.
1.69 + */
1.70 + public final JCPrimitiveType byteType = new JCPrimitiveType(BYTE, null);
1.71 + public final JCPrimitiveType charType = new JCPrimitiveType(CHAR, null);
1.72 + public final JCPrimitiveType shortType = new JCPrimitiveType(SHORT, null);
1.73 + public final JCPrimitiveType intType = new JCPrimitiveType(INT, null);
1.74 + public final JCPrimitiveType longType = new JCPrimitiveType(LONG, null);
1.75 + public final JCPrimitiveType floatType = new JCPrimitiveType(FLOAT, null);
1.76 + public final JCPrimitiveType doubleType = new JCPrimitiveType(DOUBLE, null);
1.77 + public final JCPrimitiveType booleanType = new JCPrimitiveType(BOOLEAN, null);
1.78 + public final Type botType = new BottomType();
1.79 + public final JCVoidType voidType = new JCVoidType();
1.80 +
1.81 + private final Names names;
1.82 + private final ClassReader reader;
1.83 + private final Target target;
1.84 +
1.85 + /** A symbol for the root package.
1.86 + */
1.87 + public final PackageSymbol rootPackage;
1.88 +
1.89 + /** A symbol for the unnamed package.
1.90 + */
1.91 + public final PackageSymbol unnamedPackage;
1.92 +
1.93 + /** A symbol that stands for a missing symbol.
1.94 + */
1.95 + public final TypeSymbol noSymbol;
1.96 +
1.97 + /** The error symbol.
1.98 + */
1.99 + public final ClassSymbol errSymbol;
1.100 +
1.101 + /** The unknown symbol.
1.102 + */
1.103 + public final ClassSymbol unknownSymbol;
1.104 +
1.105 + /** A value for the errType, with a originalType of noType */
1.106 + public final Type errType;
1.107 +
1.108 + /** A value for the unknown type. */
1.109 + public final Type unknownType;
1.110 +
1.111 + /** The builtin type of all arrays. */
1.112 + public final ClassSymbol arrayClass;
1.113 + public final MethodSymbol arrayCloneMethod;
1.114 +
1.115 + /** VGJ: The (singleton) type of all bound types. */
1.116 + public final ClassSymbol boundClass;
1.117 +
1.118 + /** The builtin type of all methods. */
1.119 + public final ClassSymbol methodClass;
1.120 +
1.121 + /** Predefined types.
1.122 + */
1.123 + public final Type objectType;
1.124 + public final Type classType;
1.125 + public final Type classLoaderType;
1.126 + public final Type stringType;
1.127 + public final Type stringBufferType;
1.128 + public final Type stringBuilderType;
1.129 + public final Type cloneableType;
1.130 + public final Type serializableType;
1.131 + public final Type serializedLambdaType;
1.132 + public final Type methodHandleType;
1.133 + public final Type methodHandleLookupType;
1.134 + public final Type methodTypeType;
1.135 + public final Type nativeHeaderType;
1.136 + public final Type throwableType;
1.137 + public final Type errorType;
1.138 + public final Type interruptedExceptionType;
1.139 + public final Type illegalArgumentExceptionType;
1.140 + public final Type exceptionType;
1.141 + public final Type runtimeExceptionType;
1.142 + public final Type classNotFoundExceptionType;
1.143 + public final Type noClassDefFoundErrorType;
1.144 + public final Type noSuchFieldErrorType;
1.145 + public final Type assertionErrorType;
1.146 + public final Type cloneNotSupportedExceptionType;
1.147 + public final Type annotationType;
1.148 + public final TypeSymbol enumSym;
1.149 + public final Type listType;
1.150 + public final Type collectionsType;
1.151 + public final Type comparableType;
1.152 + public final Type comparatorType;
1.153 + public final Type arraysType;
1.154 + public final Type iterableType;
1.155 + public final Type iteratorType;
1.156 + public final Type annotationTargetType;
1.157 + public final Type overrideType;
1.158 + public final Type retentionType;
1.159 + public final Type deprecatedType;
1.160 + public final Type suppressWarningsType;
1.161 + public final Type inheritedType;
1.162 + public final Type profileType;
1.163 + public final Type proprietaryType;
1.164 + public final Type systemType;
1.165 + public final Type autoCloseableType;
1.166 + public final Type trustMeType;
1.167 + public final Type lambdaMetafactory;
1.168 + public final Type repeatableType;
1.169 + public final Type documentedType;
1.170 + public final Type elementTypeType;
1.171 + public final Type functionalInterfaceType;
1.172 +
1.173 + /** The symbol representing the length field of an array.
1.174 + */
1.175 + public final VarSymbol lengthVar;
1.176 +
1.177 + /** The null check operator. */
1.178 + public final OperatorSymbol nullcheck;
1.179 +
1.180 + /** The symbol representing the final finalize method on enums */
1.181 + public final MethodSymbol enumFinalFinalize;
1.182 +
1.183 + /** The symbol representing the close method on TWR AutoCloseable type */
1.184 + public final MethodSymbol autoCloseableClose;
1.185 +
1.186 + /** The predefined type that belongs to a tag.
1.187 + */
1.188 + public final Type[] typeOfTag = new Type[TypeTag.getTypeTagCount()];
1.189 +
1.190 + /** The name of the class that belongs to a basix type tag.
1.191 + */
1.192 + public final Name[] boxedName = new Name[TypeTag.getTypeTagCount()];
1.193 +
1.194 + /** A set containing all operator names.
1.195 + */
1.196 + public final Set<Name> operatorNames = new HashSet<Name>();
1.197 +
1.198 + /** A hashtable containing the encountered top-level and member classes,
1.199 + * indexed by flat names. The table does not contain local classes.
1.200 + * It should be updated from the outside to reflect classes defined
1.201 + * by compiled source files.
1.202 + */
1.203 + public final Map<Name, ClassSymbol> classes = new HashMap<Name, ClassSymbol>();
1.204 +
1.205 + /** A hashtable containing the encountered packages.
1.206 + * the table should be updated from outside to reflect packages defined
1.207 + * by compiled source files.
1.208 + */
1.209 + public final Map<Name, PackageSymbol> packages = new HashMap<Name, PackageSymbol>();
1.210 +
1.211 + public void initType(Type type, ClassSymbol c) {
1.212 + type.tsym = c;
1.213 + typeOfTag[type.getTag().ordinal()] = type;
1.214 + }
1.215 +
1.216 + public void initType(Type type, String name) {
1.217 + initType(
1.218 + type,
1.219 + new ClassSymbol(
1.220 + PUBLIC, names.fromString(name), type, rootPackage));
1.221 + }
1.222 +
1.223 + public void initType(Type type, String name, String bname) {
1.224 + initType(type, name);
1.225 + boxedName[type.getTag().ordinal()] = names.fromString("java.lang." + bname);
1.226 + }
1.227 +
1.228 + /** The class symbol that owns all predefined symbols.
1.229 + */
1.230 + public final ClassSymbol predefClass;
1.231 +
1.232 + /** Enter a constant into symbol table.
1.233 + * @param name The constant's name.
1.234 + * @param type The constant's type.
1.235 + */
1.236 + private VarSymbol enterConstant(String name, Type type) {
1.237 + VarSymbol c = new VarSymbol(
1.238 + PUBLIC | STATIC | FINAL,
1.239 + names.fromString(name),
1.240 + type,
1.241 + predefClass);
1.242 + c.setData(type.constValue());
1.243 + predefClass.members().enter(c);
1.244 + return c;
1.245 + }
1.246 +
1.247 + /** Enter a binary operation into symbol table.
1.248 + * @param name The name of the operator.
1.249 + * @param left The type of the left operand.
1.250 + * @param right The type of the left operand.
1.251 + * @param res The operation's result type.
1.252 + * @param opcode The operation's bytecode instruction.
1.253 + */
1.254 + private void enterBinop(String name,
1.255 + Type left, Type right, Type res,
1.256 + int opcode) {
1.257 + predefClass.members().enter(
1.258 + new OperatorSymbol(
1.259 + makeOperatorName(name),
1.260 + new MethodType(List.of(left, right), res,
1.261 + List.<Type>nil(), methodClass),
1.262 + opcode,
1.263 + predefClass));
1.264 + }
1.265 +
1.266 + /** Enter a binary operation, as above but with two opcodes,
1.267 + * which get encoded as
1.268 + * {@code (opcode1 << ByteCodeTags.preShift) + opcode2 }.
1.269 + * @param opcode1 First opcode.
1.270 + * @param opcode2 Second opcode.
1.271 + */
1.272 + private void enterBinop(String name,
1.273 + Type left, Type right, Type res,
1.274 + int opcode1, int opcode2) {
1.275 + enterBinop(
1.276 + name, left, right, res, (opcode1 << ByteCodes.preShift) | opcode2);
1.277 + }
1.278 +
1.279 + /** Enter a unary operation into symbol table.
1.280 + * @param name The name of the operator.
1.281 + * @param arg The type of the operand.
1.282 + * @param res The operation's result type.
1.283 + * @param opcode The operation's bytecode instruction.
1.284 + */
1.285 + private OperatorSymbol enterUnop(String name,
1.286 + Type arg,
1.287 + Type res,
1.288 + int opcode) {
1.289 + OperatorSymbol sym =
1.290 + new OperatorSymbol(makeOperatorName(name),
1.291 + new MethodType(List.of(arg),
1.292 + res,
1.293 + List.<Type>nil(),
1.294 + methodClass),
1.295 + opcode,
1.296 + predefClass);
1.297 + predefClass.members().enter(sym);
1.298 + return sym;
1.299 + }
1.300 +
1.301 + /**
1.302 + * Create a new operator name from corresponding String representation
1.303 + * and add the name to the set of known operator names.
1.304 + */
1.305 + private Name makeOperatorName(String name) {
1.306 + Name opName = names.fromString(name);
1.307 + operatorNames.add(opName);
1.308 + return opName;
1.309 + }
1.310 +
1.311 + /** Enter a class into symbol table.
1.312 + * @param s The name of the class.
1.313 + */
1.314 + private Type enterClass(String s) {
1.315 + return reader.enterClass(names.fromString(s)).type;
1.316 + }
1.317 +
1.318 + public void synthesizeEmptyInterfaceIfMissing(final Type type) {
1.319 + final Completer completer = type.tsym.completer;
1.320 + if (completer != null) {
1.321 + type.tsym.completer = new Completer() {
1.322 + public void complete(Symbol sym) throws CompletionFailure {
1.323 + try {
1.324 + completer.complete(sym);
1.325 + } catch (CompletionFailure e) {
1.326 + sym.flags_field |= (PUBLIC | INTERFACE);
1.327 + ((ClassType) sym.type).supertype_field = objectType;
1.328 + }
1.329 + }
1.330 + };
1.331 + }
1.332 + }
1.333 +
1.334 + public void synthesizeBoxTypeIfMissing(final Type type) {
1.335 + ClassSymbol sym = reader.enterClass(boxedName[type.getTag().ordinal()]);
1.336 + final Completer completer = sym.completer;
1.337 + if (completer != null) {
1.338 + sym.completer = new Completer() {
1.339 + public void complete(Symbol sym) throws CompletionFailure {
1.340 + try {
1.341 + completer.complete(sym);
1.342 + } catch (CompletionFailure e) {
1.343 + sym.flags_field |= PUBLIC;
1.344 + ((ClassType) sym.type).supertype_field = objectType;
1.345 + Name n = target.boxWithConstructors() ? names.init : names.valueOf;
1.346 + MethodSymbol boxMethod =
1.347 + new MethodSymbol(PUBLIC | STATIC,
1.348 + n,
1.349 + new MethodType(List.of(type), sym.type,
1.350 + List.<Type>nil(), methodClass),
1.351 + sym);
1.352 + sym.members().enter(boxMethod);
1.353 + MethodSymbol unboxMethod =
1.354 + new MethodSymbol(PUBLIC,
1.355 + type.tsym.name.append(names.Value), // x.intValue()
1.356 + new MethodType(List.<Type>nil(), type,
1.357 + List.<Type>nil(), methodClass),
1.358 + sym);
1.359 + sym.members().enter(unboxMethod);
1.360 + }
1.361 + }
1.362 + };
1.363 + }
1.364 +
1.365 + }
1.366 +
1.367 + // Enter a synthetic class that is used to mark classes in ct.sym.
1.368 + // This class does not have a class file.
1.369 + private Type enterSyntheticAnnotation(String name) {
1.370 + ClassType type = (ClassType)enterClass(name);
1.371 + ClassSymbol sym = (ClassSymbol)type.tsym;
1.372 + sym.completer = null;
1.373 + sym.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE;
1.374 + sym.erasure_field = type;
1.375 + sym.members_field = new Scope(sym);
1.376 + type.typarams_field = List.nil();
1.377 + type.allparams_field = List.nil();
1.378 + type.supertype_field = annotationType;
1.379 + type.interfaces_field = List.nil();
1.380 + return type;
1.381 + }
1.382 +
1.383 + /** Constructor; enters all predefined identifiers and operators
1.384 + * into symbol table.
1.385 + */
1.386 + protected Symtab(Context context) throws CompletionFailure {
1.387 + context.put(symtabKey, this);
1.388 +
1.389 + names = Names.instance(context);
1.390 + target = Target.instance(context);
1.391 +
1.392 + // Create the unknown type
1.393 + unknownType = new UnknownType();
1.394 +
1.395 + // create the basic builtin symbols
1.396 + rootPackage = new PackageSymbol(names.empty, null);
1.397 + final JavacMessages messages = JavacMessages.instance(context);
1.398 + unnamedPackage = new PackageSymbol(names.empty, rootPackage) {
1.399 + public String toString() {
1.400 + return messages.getLocalizedString("compiler.misc.unnamed.package");
1.401 + }
1.402 + };
1.403 + noSymbol = new TypeSymbol(Kinds.NIL, 0, names.empty, Type.noType, rootPackage) {
1.404 + public <R, P> R accept(ElementVisitor<R, P> v, P p) {
1.405 + return v.visitUnknown(this, p);
1.406 + }
1.407 + };
1.408 +
1.409 + // create the error symbols
1.410 + errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage);
1.411 + errType = new ErrorType(errSymbol, Type.noType);
1.412 +
1.413 + unknownSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.fromString("<any?>"), null, rootPackage);
1.414 + unknownSymbol.members_field = new Scope.ErrorScope(unknownSymbol);
1.415 + unknownSymbol.type = unknownType;
1.416 +
1.417 + // initialize builtin types
1.418 + initType(byteType, "byte", "Byte");
1.419 + initType(shortType, "short", "Short");
1.420 + initType(charType, "char", "Character");
1.421 + initType(intType, "int", "Integer");
1.422 + initType(longType, "long", "Long");
1.423 + initType(floatType, "float", "Float");
1.424 + initType(doubleType, "double", "Double");
1.425 + initType(booleanType, "boolean", "Boolean");
1.426 + initType(voidType, "void", "Void");
1.427 + initType(botType, "<nulltype>");
1.428 + initType(errType, errSymbol);
1.429 + initType(unknownType, unknownSymbol);
1.430 +
1.431 + // the builtin class of all arrays
1.432 + arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol);
1.433 +
1.434 + // VGJ
1.435 + boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol);
1.436 + boundClass.members_field = new Scope.ErrorScope(boundClass);
1.437 +
1.438 + // the builtin class of all methods
1.439 + methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol);
1.440 + methodClass.members_field = new Scope.ErrorScope(boundClass);
1.441 +
1.442 + // Create class to hold all predefined constants and operations.
1.443 + predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage);
1.444 + Scope scope = new Scope(predefClass);
1.445 + predefClass.members_field = scope;
1.446 +
1.447 + // Enter symbols for basic types.
1.448 + scope.enter(byteType.tsym);
1.449 + scope.enter(shortType.tsym);
1.450 + scope.enter(charType.tsym);
1.451 + scope.enter(intType.tsym);
1.452 + scope.enter(longType.tsym);
1.453 + scope.enter(floatType.tsym);
1.454 + scope.enter(doubleType.tsym);
1.455 + scope.enter(booleanType.tsym);
1.456 + scope.enter(errType.tsym);
1.457 +
1.458 + // Enter symbol for the errSymbol
1.459 + scope.enter(errSymbol);
1.460 +
1.461 + classes.put(predefClass.fullname, predefClass);
1.462 +
1.463 + reader = ClassReader.instance(context);
1.464 + reader.init(this);
1.465 +
1.466 + // Enter predefined classes.
1.467 + objectType = enterClass("java.lang.Object");
1.468 + classType = enterClass("java.lang.Class");
1.469 + stringType = enterClass("java.lang.String");
1.470 + stringBufferType = enterClass("java.lang.StringBuffer");
1.471 + stringBuilderType = enterClass("java.lang.StringBuilder");
1.472 + cloneableType = enterClass("java.lang.Cloneable");
1.473 + throwableType = enterClass("java.lang.Throwable");
1.474 + serializableType = enterClass("java.io.Serializable");
1.475 + serializedLambdaType = enterClass("java.lang.invoke.SerializedLambda");
1.476 + methodHandleType = enterClass("java.lang.invoke.MethodHandle");
1.477 + methodHandleLookupType = enterClass("java.lang.invoke.MethodHandles$Lookup");
1.478 + methodTypeType = enterClass("java.lang.invoke.MethodType");
1.479 + errorType = enterClass("java.lang.Error");
1.480 + illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException");
1.481 + interruptedExceptionType = enterClass("java.lang.InterruptedException");
1.482 + exceptionType = enterClass("java.lang.Exception");
1.483 + runtimeExceptionType = enterClass("java.lang.RuntimeException");
1.484 + classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException");
1.485 + noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError");
1.486 + noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError");
1.487 + assertionErrorType = enterClass("java.lang.AssertionError");
1.488 + cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException");
1.489 + annotationType = enterClass("java.lang.annotation.Annotation");
1.490 + classLoaderType = enterClass("java.lang.ClassLoader");
1.491 + enumSym = reader.enterClass(names.java_lang_Enum);
1.492 + enumFinalFinalize =
1.493 + new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL,
1.494 + names.finalize,
1.495 + new MethodType(List.<Type>nil(), voidType,
1.496 + List.<Type>nil(), methodClass),
1.497 + enumSym);
1.498 + listType = enterClass("java.util.List");
1.499 + collectionsType = enterClass("java.util.Collections");
1.500 + comparableType = enterClass("java.lang.Comparable");
1.501 + comparatorType = enterClass("java.util.Comparator");
1.502 + arraysType = enterClass("java.util.Arrays");
1.503 + iterableType = target.hasIterable()
1.504 + ? enterClass("java.lang.Iterable")
1.505 + : enterClass("java.util.Collection");
1.506 + iteratorType = enterClass("java.util.Iterator");
1.507 + annotationTargetType = enterClass("java.lang.annotation.Target");
1.508 + overrideType = enterClass("java.lang.Override");
1.509 + retentionType = enterClass("java.lang.annotation.Retention");
1.510 + deprecatedType = enterClass("java.lang.Deprecated");
1.511 + suppressWarningsType = enterClass("java.lang.SuppressWarnings");
1.512 + inheritedType = enterClass("java.lang.annotation.Inherited");
1.513 + repeatableType = enterClass("java.lang.annotation.Repeatable");
1.514 + documentedType = enterClass("java.lang.annotation.Documented");
1.515 + elementTypeType = enterClass("java.lang.annotation.ElementType");
1.516 + systemType = enterClass("java.lang.System");
1.517 + autoCloseableType = enterClass("java.lang.AutoCloseable");
1.518 + autoCloseableClose = new MethodSymbol(PUBLIC,
1.519 + names.close,
1.520 + new MethodType(List.<Type>nil(), voidType,
1.521 + List.of(exceptionType), methodClass),
1.522 + autoCloseableType.tsym);
1.523 + trustMeType = enterClass("java.lang.SafeVarargs");
1.524 + nativeHeaderType = enterClass("java.lang.annotation.Native");
1.525 + lambdaMetafactory = enterClass("java.lang.invoke.LambdaMetafactory");
1.526 + functionalInterfaceType = enterClass("java.lang.FunctionalInterface");
1.527 +
1.528 + synthesizeEmptyInterfaceIfMissing(autoCloseableType);
1.529 + synthesizeEmptyInterfaceIfMissing(cloneableType);
1.530 + synthesizeEmptyInterfaceIfMissing(serializableType);
1.531 + synthesizeEmptyInterfaceIfMissing(lambdaMetafactory);
1.532 + synthesizeEmptyInterfaceIfMissing(serializedLambdaType);
1.533 + synthesizeBoxTypeIfMissing(doubleType);
1.534 + synthesizeBoxTypeIfMissing(floatType);
1.535 + synthesizeBoxTypeIfMissing(voidType);
1.536 +
1.537 + // Enter a synthetic class that is used to mark internal
1.538 + // proprietary classes in ct.sym. This class does not have a
1.539 + // class file.
1.540 + proprietaryType = enterSyntheticAnnotation("sun.Proprietary+Annotation");
1.541 +
1.542 + // Enter a synthetic class that is used to provide profile info for
1.543 + // classes in ct.sym. This class does not have a class file.
1.544 + profileType = enterSyntheticAnnotation("jdk.Profile+Annotation");
1.545 + MethodSymbol m = new MethodSymbol(PUBLIC | ABSTRACT, names.value, intType, profileType.tsym);
1.546 + profileType.tsym.members().enter(m);
1.547 +
1.548 + // Enter a class for arrays.
1.549 + // The class implements java.lang.Cloneable and java.io.Serializable.
1.550 + // It has a final length field and a clone method.
1.551 + ClassType arrayClassType = (ClassType)arrayClass.type;
1.552 + arrayClassType.supertype_field = objectType;
1.553 + arrayClassType.interfaces_field = List.of(cloneableType, serializableType);
1.554 + arrayClass.members_field = new Scope(arrayClass);
1.555 + lengthVar = new VarSymbol(
1.556 + PUBLIC | FINAL,
1.557 + names.length,
1.558 + intType,
1.559 + arrayClass);
1.560 + arrayClass.members().enter(lengthVar);
1.561 + arrayCloneMethod = new MethodSymbol(
1.562 + PUBLIC,
1.563 + names.clone,
1.564 + new MethodType(List.<Type>nil(), objectType,
1.565 + List.<Type>nil(), methodClass),
1.566 + arrayClass);
1.567 + arrayClass.members().enter(arrayCloneMethod);
1.568 +
1.569 + // Enter operators.
1.570 + /* Internally we use +++, --- for unary +, - to reduce +, - operators
1.571 + * overloading
1.572 + */
1.573 + enterUnop("+++", doubleType, doubleType, nop);
1.574 + enterUnop("+++", floatType, floatType, nop);
1.575 + enterUnop("+++", longType, longType, nop);
1.576 + enterUnop("+++", intType, intType, nop);
1.577 +
1.578 + enterUnop("---", doubleType, doubleType, dneg);
1.579 + enterUnop("---", floatType, floatType, fneg);
1.580 + enterUnop("---", longType, longType, lneg);
1.581 + enterUnop("---", intType, intType, ineg);
1.582 +
1.583 + enterUnop("~", longType, longType, lxor);
1.584 + enterUnop("~", intType, intType, ixor);
1.585 +
1.586 + enterUnop("++", doubleType, doubleType, dadd);
1.587 + enterUnop("++", floatType, floatType, fadd);
1.588 + enterUnop("++", longType, longType, ladd);
1.589 + enterUnop("++", intType, intType, iadd);
1.590 + enterUnop("++", charType, charType, iadd);
1.591 + enterUnop("++", shortType, shortType, iadd);
1.592 + enterUnop("++", byteType, byteType, iadd);
1.593 +
1.594 + enterUnop("--", doubleType, doubleType, dsub);
1.595 + enterUnop("--", floatType, floatType, fsub);
1.596 + enterUnop("--", longType, longType, lsub);
1.597 + enterUnop("--", intType, intType, isub);
1.598 + enterUnop("--", charType, charType, isub);
1.599 + enterUnop("--", shortType, shortType, isub);
1.600 + enterUnop("--", byteType, byteType, isub);
1.601 +
1.602 + enterUnop("!", booleanType, booleanType, bool_not);
1.603 + nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk);
1.604 +
1.605 + // string concatenation
1.606 + enterBinop("+", stringType, objectType, stringType, string_add);
1.607 + enterBinop("+", objectType, stringType, stringType, string_add);
1.608 + enterBinop("+", stringType, stringType, stringType, string_add);
1.609 + enterBinop("+", stringType, intType, stringType, string_add);
1.610 + enterBinop("+", stringType, longType, stringType, string_add);
1.611 + enterBinop("+", stringType, floatType, stringType, string_add);
1.612 + enterBinop("+", stringType, doubleType, stringType, string_add);
1.613 + enterBinop("+", stringType, booleanType, stringType, string_add);
1.614 + enterBinop("+", stringType, botType, stringType, string_add);
1.615 + enterBinop("+", intType, stringType, stringType, string_add);
1.616 + enterBinop("+", longType, stringType, stringType, string_add);
1.617 + enterBinop("+", floatType, stringType, stringType, string_add);
1.618 + enterBinop("+", doubleType, stringType, stringType, string_add);
1.619 + enterBinop("+", booleanType, stringType, stringType, string_add);
1.620 + enterBinop("+", botType, stringType, stringType, string_add);
1.621 +
1.622 + // these errors would otherwise be matched as string concatenation
1.623 + enterBinop("+", botType, botType, botType, error);
1.624 + enterBinop("+", botType, intType, botType, error);
1.625 + enterBinop("+", botType, longType, botType, error);
1.626 + enterBinop("+", botType, floatType, botType, error);
1.627 + enterBinop("+", botType, doubleType, botType, error);
1.628 + enterBinop("+", botType, booleanType, botType, error);
1.629 + enterBinop("+", botType, objectType, botType, error);
1.630 + enterBinop("+", intType, botType, botType, error);
1.631 + enterBinop("+", longType, botType, botType, error);
1.632 + enterBinop("+", floatType, botType, botType, error);
1.633 + enterBinop("+", doubleType, botType, botType, error);
1.634 + enterBinop("+", booleanType, botType, botType, error);
1.635 + enterBinop("+", objectType, botType, botType, error);
1.636 +
1.637 + enterBinop("+", doubleType, doubleType, doubleType, dadd);
1.638 + enterBinop("+", floatType, floatType, floatType, fadd);
1.639 + enterBinop("+", longType, longType, longType, ladd);
1.640 + enterBinop("+", intType, intType, intType, iadd);
1.641 +
1.642 + enterBinop("-", doubleType, doubleType, doubleType, dsub);
1.643 + enterBinop("-", floatType, floatType, floatType, fsub);
1.644 + enterBinop("-", longType, longType, longType, lsub);
1.645 + enterBinop("-", intType, intType, intType, isub);
1.646 +
1.647 + enterBinop("*", doubleType, doubleType, doubleType, dmul);
1.648 + enterBinop("*", floatType, floatType, floatType, fmul);
1.649 + enterBinop("*", longType, longType, longType, lmul);
1.650 + enterBinop("*", intType, intType, intType, imul);
1.651 +
1.652 + enterBinop("/", doubleType, doubleType, doubleType, ddiv);
1.653 + enterBinop("/", floatType, floatType, floatType, fdiv);
1.654 + enterBinop("/", longType, longType, longType, ldiv);
1.655 + enterBinop("/", intType, intType, intType, idiv);
1.656 +
1.657 + enterBinop("%", doubleType, doubleType, doubleType, dmod);
1.658 + enterBinop("%", floatType, floatType, floatType, fmod);
1.659 + enterBinop("%", longType, longType, longType, lmod);
1.660 + enterBinop("%", intType, intType, intType, imod);
1.661 +
1.662 + enterBinop("&", booleanType, booleanType, booleanType, iand);
1.663 + enterBinop("&", longType, longType, longType, land);
1.664 + enterBinop("&", intType, intType, intType, iand);
1.665 +
1.666 + enterBinop("|", booleanType, booleanType, booleanType, ior);
1.667 + enterBinop("|", longType, longType, longType, lor);
1.668 + enterBinop("|", intType, intType, intType, ior);
1.669 +
1.670 + enterBinop("^", booleanType, booleanType, booleanType, ixor);
1.671 + enterBinop("^", longType, longType, longType, lxor);
1.672 + enterBinop("^", intType, intType, intType, ixor);
1.673 +
1.674 + enterBinop("<<", longType, longType, longType, lshll);
1.675 + enterBinop("<<", intType, longType, intType, ishll);
1.676 + enterBinop("<<", longType, intType, longType, lshl);
1.677 + enterBinop("<<", intType, intType, intType, ishl);
1.678 +
1.679 + enterBinop(">>", longType, longType, longType, lshrl);
1.680 + enterBinop(">>", intType, longType, intType, ishrl);
1.681 + enterBinop(">>", longType, intType, longType, lshr);
1.682 + enterBinop(">>", intType, intType, intType, ishr);
1.683 +
1.684 + enterBinop(">>>", longType, longType, longType, lushrl);
1.685 + enterBinop(">>>", intType, longType, intType, iushrl);
1.686 + enterBinop(">>>", longType, intType, longType, lushr);
1.687 + enterBinop(">>>", intType, intType, intType, iushr);
1.688 +
1.689 + enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt);
1.690 + enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt);
1.691 + enterBinop("<", longType, longType, booleanType, lcmp, iflt);
1.692 + enterBinop("<", intType, intType, booleanType, if_icmplt);
1.693 +
1.694 + enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt);
1.695 + enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt);
1.696 + enterBinop(">", longType, longType, booleanType, lcmp, ifgt);
1.697 + enterBinop(">", intType, intType, booleanType, if_icmpgt);
1.698 +
1.699 + enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle);
1.700 + enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle);
1.701 + enterBinop("<=", longType, longType, booleanType, lcmp, ifle);
1.702 + enterBinop("<=", intType, intType, booleanType, if_icmple);
1.703 +
1.704 + enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge);
1.705 + enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge);
1.706 + enterBinop(">=", longType, longType, booleanType, lcmp, ifge);
1.707 + enterBinop(">=", intType, intType, booleanType, if_icmpge);
1.708 +
1.709 + enterBinop("==", objectType, objectType, booleanType, if_acmpeq);
1.710 + enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq);
1.711 + enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq);
1.712 + enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq);
1.713 + enterBinop("==", longType, longType, booleanType, lcmp, ifeq);
1.714 + enterBinop("==", intType, intType, booleanType, if_icmpeq);
1.715 +
1.716 + enterBinop("!=", objectType, objectType, booleanType, if_acmpne);
1.717 + enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne);
1.718 + enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne);
1.719 + enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne);
1.720 + enterBinop("!=", longType, longType, booleanType, lcmp, ifne);
1.721 + enterBinop("!=", intType, intType, booleanType, if_icmpne);
1.722 +
1.723 + enterBinop("&&", booleanType, booleanType, booleanType, bool_and);
1.724 + enterBinop("||", booleanType, booleanType, booleanType, bool_or);
1.725 + }
1.726 +}
