/*
* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.code;
import java.util.*;
import javax.lang.model.type.TypeVisitor;
import javax.lang.model.element.ElementVisitor;
import com.sun.tools.javac.util.*;
import com.sun.tools.javac.util.List;
import com.sun.tools.javac.code.Symbol.*;
import com.sun.tools.javac.code.Type.*;
import com.sun.tools.javac.jvm.*;
import static com.sun.tools.javac.jvm.ByteCodes.*;
import static com.sun.tools.javac.code.Flags.*;
/** A class that defines all predefined constants and operators
* as well as special classes such as java.lang.Object, which need
* to be known to the compiler. All symbols are held in instance
* fields. This makes it possible to work in multiple concurrent
* projects, which might use different class files for library classes.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class Symtab {
/** The context key for the symbol table. */
protected static final Context.Key<Symtab> symtabKey =
new Context.Key<Symtab>();
/** Get the symbol table instance. */
public static Symtab instance(Context context) {
Symtab instance = context.get(symtabKey);
if (instance == null)
instance = new Symtab(context);
return instance;
}
/** Builtin types.
*/
public final Type byteType = new Type(TypeTags.BYTE, null);
public final Type charType = new Type(TypeTags.CHAR, null);
public final Type shortType = new Type(TypeTags.SHORT, null);
public final Type intType = new Type(TypeTags.INT, null);
public final Type longType = new Type(TypeTags.LONG, null);
public final Type floatType = new Type(TypeTags.FLOAT, null);
public final Type doubleType = new Type(TypeTags.DOUBLE, null);
public final Type booleanType = new Type(TypeTags.BOOLEAN, null);
public final Type botType = new BottomType();
public final JCNoType voidType = new JCNoType(TypeTags.VOID);
private final Names names;
private final ClassReader reader;
private final Target target;
/** A symbol for the root package.
*/
public final PackageSymbol rootPackage;
/** A symbol for the unnamed package.
*/
public final PackageSymbol unnamedPackage;
/** A symbol that stands for a missing symbol.
*/
public final TypeSymbol noSymbol;
/** The error symbol.
*/
public final ClassSymbol errSymbol;
/** The unknown symbol.
*/
public final ClassSymbol unknownSymbol;
/** A value for the errType, with a originalType of noType */
public final Type errType;
/** A value for the unknown type. */
public final Type unknownType;
/** The builtin type of all arrays. */
public final ClassSymbol arrayClass;
public final MethodSymbol arrayCloneMethod;
/** VGJ: The (singleton) type of all bound types. */
public final ClassSymbol boundClass;
/** The builtin type of all methods. */
public final ClassSymbol methodClass;
/** Predefined types.
*/
public final Type objectType;
public final Type classType;
public final Type classLoaderType;
public final Type stringType;
public final Type stringBufferType;
public final Type stringBuilderType;
public final Type cloneableType;
public final Type serializableType;
public final Type methodHandleType;
public final Type polymorphicSignatureType;
public final Type throwableType;
public final Type errorType;
public final Type interruptedExceptionType;
public final Type illegalArgumentExceptionType;
public final Type exceptionType;
public final Type runtimeExceptionType;
public final Type classNotFoundExceptionType;
public final Type noClassDefFoundErrorType;
public final Type noSuchFieldErrorType;
public final Type assertionErrorType;
public final Type cloneNotSupportedExceptionType;
public final Type annotationType;
public final TypeSymbol enumSym;
public final Type listType;
public final Type collectionsType;
public final Type comparableType;
public final Type arraysType;
public final Type iterableType;
public final Type iteratorType;
public final Type annotationTargetType;
public final Type overrideType;
public final Type retentionType;
public final Type deprecatedType;
public final Type suppressWarningsType;
public final Type inheritedType;
public final Type proprietaryType;
public final Type systemType;
public final Type autoCloseableType;
public final Type trustMeType;
//M
//----------------------------------
public final Type viewManagerType;
/** The symbol representing the length field of an array.
*/
public final VarSymbol lengthVar;
/** The null check operator. */
public final OperatorSymbol nullcheck;
/** The symbol representing the final finalize method on enums */
public final MethodSymbol enumFinalFinalize;
/** The symbol representing the close method on TWR AutoCloseable type */
public final MethodSymbol autoCloseableClose;
/** The predefined type that belongs to a tag.
*/
public final Type[] typeOfTag = new Type[TypeTags.TypeTagCount];
/** The name of the class that belongs to a basix type tag.
*/
public final Name[] boxedName = new Name[TypeTags.TypeTagCount];
/** A hashtable containing the encountered top-level and member classes,
* indexed by flat names. The table does not contain local classes.
* It should be updated from the outside to reflect classes defined
* by compiled source files.
*/
public final Map<Name, ClassSymbol> classes = new HashMap<Name, ClassSymbol>();
/** A hashtable containing the encountered packages.
* the table should be updated from outside to reflect packages defined
* by compiled source files.
*/
public final Map<Name, PackageSymbol> packages = new HashMap<Name, PackageSymbol>();
public void initType(Type type, ClassSymbol c) {
type.tsym = c;
typeOfTag[type.tag] = type;
}
public void initType(Type type, String name) {
initType(
type,
new ClassSymbol(
PUBLIC, names.fromString(name), type, rootPackage));
}
public void initType(Type type, String name, String bname) {
initType(type, name);
boxedName[type.tag] = names.fromString("java.lang." + bname);
}
/** The class symbol that owns all predefined symbols.
*/
public final ClassSymbol predefClass;
/** Enter a constant into symbol table.
* @param name The constant's name.
* @param type The constant's type.
*/
private VarSymbol enterConstant(String name, Type type) {
VarSymbol c = new VarSymbol(
PUBLIC | STATIC | FINAL,
names.fromString(name),
type,
predefClass);
c.setData(type.constValue());
predefClass.members().enter(c);
return c;
}
/** Enter a binary operation into symbol table.
* @param name The name of the operator.
* @param left The type of the left operand.
* @param right The type of the left operand.
* @param res The operation's result type.
* @param opcode The operation's bytecode instruction.
*/
private void enterBinop(String name,
Type left, Type right, Type res,
int opcode) {
predefClass.members().enter(
new OperatorSymbol(
names.fromString(name),
new MethodType(List.of(left, right), res,
List.<Type>nil(), methodClass),
opcode,
predefClass));
}
/** Enter a binary operation, as above but with two opcodes,
* which get encoded as (opcode1 << ByteCodeTags.preShift) + opcode2.
* @param opcode1 First opcode.
* @param opcode2 Second opcode.
*/
private void enterBinop(String name,
Type left, Type right, Type res,
int opcode1, int opcode2) {
enterBinop(
name, left, right, res, (opcode1 << ByteCodes.preShift) | opcode2);
}
/** Enter a unary operation into symbol table.
* @param name The name of the operator.
* @param arg The type of the operand.
* @param res The operation's result type.
* @param opcode The operation's bytecode instruction.
*/
private OperatorSymbol enterUnop(String name,
Type arg,
Type res,
int opcode) {
OperatorSymbol sym =
new OperatorSymbol(names.fromString(name),
new MethodType(List.of(arg),
res,
List.<Type>nil(),
methodClass),
opcode,
predefClass);
predefClass.members().enter(sym);
return sym;
}
/** Enter a class into symbol table.
* @param The name of the class.
*/
private Type enterClass(String s) {
return reader.enterClass(names.fromString(s)).type;
}
public void synthesizeEmptyInterfaceIfMissing(final Type type) {
final Completer completer = type.tsym.completer;
if (completer != null) {
type.tsym.completer = new Completer() {
public void complete(Symbol sym) throws CompletionFailure {
try {
completer.complete(sym);
} catch (CompletionFailure e) {
sym.flags_field |= (PUBLIC | INTERFACE);
((ClassType) sym.type).supertype_field = objectType;
}
}
};
}
}
public void synthesizeBoxTypeIfMissing(final Type type) {
ClassSymbol sym = reader.enterClass(boxedName[type.tag]);
final Completer completer = sym.completer;
if (completer != null) {
sym.completer = new Completer() {
public void complete(Symbol sym) throws CompletionFailure {
try {
completer.complete(sym);
} catch (CompletionFailure e) {
sym.flags_field |= PUBLIC;
((ClassType) sym.type).supertype_field = objectType;
Name n = target.boxWithConstructors() ? names.init : names.valueOf;
MethodSymbol boxMethod =
new MethodSymbol(PUBLIC | STATIC,
n,
new MethodType(List.of(type), sym.type,
List.<Type>nil(), methodClass),
sym);
sym.members().enter(boxMethod);
MethodSymbol unboxMethod =
new MethodSymbol(PUBLIC,
type.tsym.name.append(names.Value), // x.intValue()
new MethodType(List.<Type>nil(), type,
List.<Type>nil(), methodClass),
sym);
sym.members().enter(unboxMethod);
}
}
};
}
}
/** Constructor; enters all predefined identifiers and operators
* into symbol table.
*/
protected Symtab(Context context) throws CompletionFailure {
context.put(symtabKey, this);
names = Names.instance(context);
target = Target.instance(context);
// Create the unknown type
unknownType = new Type(TypeTags.UNKNOWN, null) {
@Override
public <R, P> R accept(TypeVisitor<R, P> v, P p) {
return v.visitUnknown(this, p);
}
};
// create the basic builtin symbols
rootPackage = new PackageSymbol(names.empty, null);
final JavacMessages messages = JavacMessages.instance(context);
unnamedPackage = new PackageSymbol(names.empty, rootPackage) {
public String toString() {
return messages.getLocalizedString("compiler.misc.unnamed.package");
}
};
noSymbol = new TypeSymbol(0, names.empty, Type.noType, rootPackage) {
public <R, P> R accept(ElementVisitor<R, P> v, P p) {
return v.visitUnknown(this, p);
}
};
noSymbol.kind = Kinds.NIL;
// create the error symbols
errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage);
errType = new ErrorType(errSymbol, Type.noType);
unknownSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.fromString("<any?>"), null, rootPackage);
unknownSymbol.members_field = new Scope.ErrorScope(unknownSymbol);
unknownSymbol.type = unknownType;
// initialize builtin types
initType(byteType, "byte", "Byte");
initType(shortType, "short", "Short");
initType(charType, "char", "Character");
initType(intType, "int", "Integer");
initType(longType, "long", "Long");
initType(floatType, "float", "Float");
initType(doubleType, "double", "Double");
initType(booleanType, "boolean", "Boolean");
initType(voidType, "void", "Void");
initType(botType, "<nulltype>");
initType(errType, errSymbol);
initType(unknownType, unknownSymbol);
// the builtin class of all arrays
arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol);
// VGJ
boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol);
boundClass.members_field = new Scope.ErrorScope(boundClass);
// the builtin class of all methods
methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol);
methodClass.members_field = new Scope.ErrorScope(boundClass);
// Create class to hold all predefined constants and operations.
predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage);
Scope scope = new Scope(predefClass);
predefClass.members_field = scope;
// Enter symbols for basic types.
scope.enter(byteType.tsym);
scope.enter(shortType.tsym);
scope.enter(charType.tsym);
scope.enter(intType.tsym);
scope.enter(longType.tsym);
scope.enter(floatType.tsym);
scope.enter(doubleType.tsym);
scope.enter(booleanType.tsym);
scope.enter(errType.tsym);
// Enter symbol for the errSymbol
scope.enter(errSymbol);
classes.put(predefClass.fullname, predefClass);
reader = ClassReader.instance(context);
reader.init(this);
//M
//--------------------------------
viewManagerType = enterClass("douyu.mvc.ViewManager");
// Enter predefined classes.
objectType = enterClass("java.lang.Object");
classType = enterClass("java.lang.Class");
stringType = enterClass("java.lang.String");
stringBufferType = enterClass("java.lang.StringBuffer");
stringBuilderType = enterClass("java.lang.StringBuilder");
cloneableType = enterClass("java.lang.Cloneable");
throwableType = enterClass("java.lang.Throwable");
serializableType = enterClass("java.io.Serializable");
methodHandleType = enterClass("java.lang.invoke.MethodHandle");
polymorphicSignatureType = enterClass("java.lang.invoke.MethodHandle$PolymorphicSignature");
errorType = enterClass("java.lang.Error");
illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException");
interruptedExceptionType = enterClass("java.lang.InterruptedException");
exceptionType = enterClass("java.lang.Exception");
runtimeExceptionType = enterClass("java.lang.RuntimeException");
classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException");
noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError");
noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError");
assertionErrorType = enterClass("java.lang.AssertionError");
cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException");
annotationType = enterClass("java.lang.annotation.Annotation");
classLoaderType = enterClass("java.lang.ClassLoader");
enumSym = reader.enterClass(names.java_lang_Enum);
enumFinalFinalize =
new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL,
names.finalize,
new MethodType(List.<Type>nil(), voidType,
List.<Type>nil(), methodClass),
enumSym);
listType = enterClass("java.util.List");
collectionsType = enterClass("java.util.Collections");
comparableType = enterClass("java.lang.Comparable");
arraysType = enterClass("java.util.Arrays");
iterableType = target.hasIterable()
? enterClass("java.lang.Iterable")
: enterClass("java.util.Collection");
iteratorType = enterClass("java.util.Iterator");
annotationTargetType = enterClass("java.lang.annotation.Target");
overrideType = enterClass("java.lang.Override");
retentionType = enterClass("java.lang.annotation.Retention");
deprecatedType = enterClass("java.lang.Deprecated");
suppressWarningsType = enterClass("java.lang.SuppressWarnings");
inheritedType = enterClass("java.lang.annotation.Inherited");
systemType = enterClass("java.lang.System");
autoCloseableType = enterClass("java.lang.AutoCloseable");
autoCloseableClose = new MethodSymbol(PUBLIC,
names.close,
new MethodType(List.<Type>nil(), voidType,
List.of(exceptionType), methodClass),
autoCloseableType.tsym);
trustMeType = enterClass("java.lang.SafeVarargs");
synthesizeEmptyInterfaceIfMissing(autoCloseableType);
synthesizeEmptyInterfaceIfMissing(cloneableType);
synthesizeEmptyInterfaceIfMissing(serializableType);
synthesizeEmptyInterfaceIfMissing(polymorphicSignatureType);
synthesizeBoxTypeIfMissing(doubleType);
synthesizeBoxTypeIfMissing(floatType);
synthesizeBoxTypeIfMissing(voidType);
// Enter a synthetic class that is used to mark internal
// proprietary classes in ct.sym. This class does not have a
// class file.
ClassType proprietaryType = (ClassType)enterClass("sun.Proprietary+Annotation");
this.proprietaryType = proprietaryType;
ClassSymbol proprietarySymbol = (ClassSymbol)proprietaryType.tsym;
proprietarySymbol.completer = null;
proprietarySymbol.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE;
proprietarySymbol.erasure_field = proprietaryType;
proprietarySymbol.members_field = new Scope(proprietarySymbol);
proprietaryType.typarams_field = List.nil();
proprietaryType.allparams_field = List.nil();
proprietaryType.supertype_field = annotationType;
proprietaryType.interfaces_field = List.nil();
// Enter a class for arrays.
// The class implements java.lang.Cloneable and java.io.Serializable.
// It has a final length field and a clone method.
ClassType arrayClassType = (ClassType)arrayClass.type;
arrayClassType.supertype_field = objectType;
arrayClassType.interfaces_field = List.of(cloneableType, serializableType);
arrayClass.members_field = new Scope(arrayClass);
lengthVar = new VarSymbol(
PUBLIC | FINAL,
names.length,
intType,
arrayClass);
arrayClass.members().enter(lengthVar);
arrayCloneMethod = new MethodSymbol(
PUBLIC,
names.clone,
new MethodType(List.<Type>nil(), objectType,
List.<Type>nil(), methodClass),
arrayClass);
arrayClass.members().enter(arrayCloneMethod);
// Enter operators.
enterUnop("+", doubleType, doubleType, nop);
enterUnop("+", floatType, floatType, nop);
enterUnop("+", longType, longType, nop);
enterUnop("+", intType, intType, nop);
enterUnop("-", doubleType, doubleType, dneg);
enterUnop("-", floatType, floatType, fneg);
enterUnop("-", longType, longType, lneg);
enterUnop("-", intType, intType, ineg);
enterUnop("~", longType, longType, lxor);
enterUnop("~", intType, intType, ixor);
enterUnop("++", doubleType, doubleType, dadd);
enterUnop("++", floatType, floatType, fadd);
enterUnop("++", longType, longType, ladd);
enterUnop("++", intType, intType, iadd);
enterUnop("++", charType, charType, iadd);
enterUnop("++", shortType, shortType, iadd);
enterUnop("++", byteType, byteType, iadd);
enterUnop("--", doubleType, doubleType, dsub);
enterUnop("--", floatType, floatType, fsub);
enterUnop("--", longType, longType, lsub);
enterUnop("--", intType, intType, isub);
enterUnop("--", charType, charType, isub);
enterUnop("--", shortType, shortType, isub);
enterUnop("--", byteType, byteType, isub);
enterUnop("!", booleanType, booleanType, bool_not);
nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk);
// string concatenation
enterBinop("+", stringType, objectType, stringType, string_add);
enterBinop("+", objectType, stringType, stringType, string_add);
enterBinop("+", stringType, stringType, stringType, string_add);
enterBinop("+", stringType, intType, stringType, string_add);
enterBinop("+", stringType, longType, stringType, string_add);
enterBinop("+", stringType, floatType, stringType, string_add);
enterBinop("+", stringType, doubleType, stringType, string_add);
enterBinop("+", stringType, booleanType, stringType, string_add);
enterBinop("+", stringType, botType, stringType, string_add);
enterBinop("+", intType, stringType, stringType, string_add);
enterBinop("+", longType, stringType, stringType, string_add);
enterBinop("+", floatType, stringType, stringType, string_add);
enterBinop("+", doubleType, stringType, stringType, string_add);
enterBinop("+", booleanType, stringType, stringType, string_add);
enterBinop("+", botType, stringType, stringType, string_add);
// these errors would otherwise be matched as string concatenation
enterBinop("+", botType, botType, botType, error);
enterBinop("+", botType, intType, botType, error);
enterBinop("+", botType, longType, botType, error);
enterBinop("+", botType, floatType, botType, error);
enterBinop("+", botType, doubleType, botType, error);
enterBinop("+", botType, booleanType, botType, error);
enterBinop("+", botType, objectType, botType, error);
enterBinop("+", intType, botType, botType, error);
enterBinop("+", longType, botType, botType, error);
enterBinop("+", floatType, botType, botType, error);
enterBinop("+", doubleType, botType, botType, error);
enterBinop("+", booleanType, botType, botType, error);
enterBinop("+", objectType, botType, botType, error);
enterBinop("+", doubleType, doubleType, doubleType, dadd);
enterBinop("+", floatType, floatType, floatType, fadd);
enterBinop("+", longType, longType, longType, ladd);
enterBinop("+", intType, intType, intType, iadd);
enterBinop("-", doubleType, doubleType, doubleType, dsub);
enterBinop("-", floatType, floatType, floatType, fsub);
enterBinop("-", longType, longType, longType, lsub);
enterBinop("-", intType, intType, intType, isub);
enterBinop("*", doubleType, doubleType, doubleType, dmul);
enterBinop("*", floatType, floatType, floatType, fmul);
enterBinop("*", longType, longType, longType, lmul);
enterBinop("*", intType, intType, intType, imul);
enterBinop("/", doubleType, doubleType, doubleType, ddiv);
enterBinop("/", floatType, floatType, floatType, fdiv);
enterBinop("/", longType, longType, longType, ldiv);
enterBinop("/", intType, intType, intType, idiv);
enterBinop("%", doubleType, doubleType, doubleType, dmod);
enterBinop("%", floatType, floatType, floatType, fmod);
enterBinop("%", longType, longType, longType, lmod);
enterBinop("%", intType, intType, intType, imod);
enterBinop("&", booleanType, booleanType, booleanType, iand);
enterBinop("&", longType, longType, longType, land);
enterBinop("&", intType, intType, intType, iand);
enterBinop("|", booleanType, booleanType, booleanType, ior);
enterBinop("|", longType, longType, longType, lor);
enterBinop("|", intType, intType, intType, ior);
enterBinop("^", booleanType, booleanType, booleanType, ixor);
enterBinop("^", longType, longType, longType, lxor);
enterBinop("^", intType, intType, intType, ixor);
enterBinop("<<", longType, longType, longType, lshll);
enterBinop("<<", intType, longType, intType, ishll);
enterBinop("<<", longType, intType, longType, lshl);
enterBinop("<<", intType, intType, intType, ishl);
enterBinop(">>", longType, longType, longType, lshrl);
enterBinop(">>", intType, longType, intType, ishrl);
enterBinop(">>", longType, intType, longType, lshr);
enterBinop(">>", intType, intType, intType, ishr);
enterBinop(">>>", longType, longType, longType, lushrl);
enterBinop(">>>", intType, longType, intType, iushrl);
enterBinop(">>>", longType, intType, longType, lushr);
enterBinop(">>>", intType, intType, intType, iushr);
enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt);
enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt);
enterBinop("<", longType, longType, booleanType, lcmp, iflt);
enterBinop("<", intType, intType, booleanType, if_icmplt);
enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt);
enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt);
enterBinop(">", longType, longType, booleanType, lcmp, ifgt);
enterBinop(">", intType, intType, booleanType, if_icmpgt);
enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle);
enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle);
enterBinop("<=", longType, longType, booleanType, lcmp, ifle);
enterBinop("<=", intType, intType, booleanType, if_icmple);
enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge);
enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge);
enterBinop(">=", longType, longType, booleanType, lcmp, ifge);
enterBinop(">=", intType, intType, booleanType, if_icmpge);
enterBinop("==", objectType, objectType, booleanType, if_acmpeq);
enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq);
enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq);
enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq);
enterBinop("==", longType, longType, booleanType, lcmp, ifeq);
enterBinop("==", intType, intType, booleanType, if_icmpeq);
enterBinop("!=", objectType, objectType, booleanType, if_acmpne);
enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne);
enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne);
enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne);
enterBinop("!=", longType, longType, booleanType, lcmp, ifne);
enterBinop("!=", intType, intType, booleanType, if_icmpne);
enterBinop("&&", booleanType, booleanType, booleanType, bool_and);
enterBinop("||", booleanType, booleanType, booleanType, bool_or);
}
}