org.eclipse.jdt.internal.compiler.ast
类 BinaryExpression

java.lang.Object
  org.eclipse.jdt.internal.compiler.ast.ASTNode
      org.eclipse.jdt.internal.compiler.ast.Statement
          org.eclipse.jdt.internal.compiler.ast.Expression
              org.eclipse.jdt.internal.compiler.ast.OperatorExpression
                  org.eclipse.jdt.internal.compiler.ast.BinaryExpression

所有已实现的接口：

OperatorIds, TypeConstants, TypeIds

直接已知子类：

AND_AND_Expression, CombinedBinaryExpression, EqualExpression, OR_OR_Expression

public class BinaryExpression
extends OperatorExpression

字段摘要

Expression	left
Constant	optimizedBooleanConstant
Expression	right

从类 org.eclipse.jdt.internal.compiler.ast.OperatorExpression 继承的字段

OperatorSignatures

从类 org.eclipse.jdt.internal.compiler.ast.Expression 继承的字段

constant, implicitConversion, resolvedType, statementEnd

从类 org.eclipse.jdt.internal.compiler.ast.Statement 继承的字段

COMPLAINED_FAKE_REACHABLE, COMPLAINED_UNREACHABLE, NOT_COMPLAINED

从类 org.eclipse.jdt.internal.compiler.ast.ASTNode 继承的字段

Bit1, Bit10, Bit11, Bit12, Bit13, Bit14, Bit15, Bit16, Bit17, Bit18, Bit19, Bit2, Bit20, Bit21, Bit22, Bit23, Bit24, Bit25, Bit26, Bit27, Bit28, Bit29, Bit3, Bit30, Bit31, Bit32, Bit32L, Bit33L, Bit34L, Bit35L, Bit36L, Bit37L, Bit38L, Bit39L, Bit4, Bit40L, Bit41L, Bit42L, Bit43L, Bit44L, Bit45L, Bit46L, Bit47L, Bit48L, Bit49L, Bit5, Bit50L, Bit51L, Bit52L, Bit53L, Bit54L, Bit55L, Bit56L, Bit57L, Bit58L, Bit59L, Bit6, Bit60L, Bit61L, Bit62L, Bit63L, Bit64L, Bit7, Bit8, Bit9, bits, BlockExit, CanBeStatic, ContainsAssertion, DepthMASK, DepthSHIFT, DidResolve, DisableUnnecessaryCastCheck, DiscardEnclosingInstance, DocumentedFallthrough, Empty, ErrorInSignature, FirstAssignmentToLocal, GenerateCheckcast, HasAbstractMethods, HasAllMethodBodies, HasBeenGenerated, HasBeenResolved, HasLocalType, HasSyntaxErrors, IgnoreNoEffectAssignCheck, IgnoreRawTypeCheck, InsideExpressionStatement, InsideJavadoc, INVOCATION_ARGUMENT_OK, INVOCATION_ARGUMENT_UNCHECKED, INVOCATION_ARGUMENT_WILDCARD, IsAnnotationDefaultValue, IsAnonymousType, IsAnySubRoutineEscaping, IsArgument, IsCompoundAssigned, IsDefaultConstructor, IsDiamond, IsElseIfStatement, IsElseStatementUnreachable, IsImplicitThis, IsImplicitUnit, IsLocalDeclarationReachable, IsLocalType, IsMemberType, IsNonNull, IsReachable, IsRecovered, IsReturnedValue, IsSecondaryType, IsStrictlyAssigned, IsSubRoutineEscaping, IsSuperType, IsSynchronized, IsThenStatementUnreachable, IsTryBlockExiting, IsUnionType, IsUsefulEmptyStatement, IsVarArgs, LabelUsed, NeededScope, NeedFreeReturn, NeedReceiverGenericCast, OnDemand, OperatorMASK, OperatorSHIFT, OverridingMethodWithSupercall, ParenthesizedMASK, ParenthesizedSHIFT, ResolveJavadoc, RestrictiveFlagMASK, ReturnTypeIDMASK, sourceEnd, sourceStart, SuperAccess, ThenExit, Unchecked, UndocumentedEmptyBlock, UnnecessaryCast, UnsafeCast, Used

从接口 org.eclipse.jdt.internal.compiler.ast.OperatorIds 继承的字段

AND, AND_AND, DIVIDE, EQUAL, EQUAL_EQUAL, GREATER, GREATER_EQUAL, INSTANCEOF, LEFT_SHIFT, LESS, LESS_EQUAL, MINUS, MINUS_MINUS, MULTIPLY, NOT, NOT_EQUAL, NumberOfTables, OR, OR_OR, PLUS, PLUS_PLUS, QUESTIONCOLON, REMAINDER, RIGHT_SHIFT, TWIDDLE, UNSIGNED_RIGHT_SHIFT, XOR

从接口 org.eclipse.jdt.internal.compiler.lookup.TypeConstants 继承的字段

ANNOTATION, ANNOTATION_PREFIX, ANNOTATION_SUFFIX, ANONYM_PREFIX, ANONYM_SUFFIX, BOOLEAN, BYTE, CHAR, CharArray_JAVA_IO_OBJECTINPUTSTREAM, CharArray_JAVA_IO_OBJECTOUTPUTSTREAM, CharArray_JAVA_IO_OBJECTSTREAMFIELD, CharArray_JAVA_LANG_ANNOTATION_ANNOTATION, CharArray_JAVA_LANG_ENUM, CharArray_JAVA_LANG_OBJECT, CLINIT, CLONE, CONSTRAINT_EQUAL, CONSTRAINT_EXTENDS, CONSTRAINT_SUPER, DOUBLE, EQUALS, FLOAT, GETCLASS, HASHCODE, INIT, INT, INVOKE, IO, JAVA, JAVA_IO, JAVA_IO_EXTERNALIZABLE, JAVA_IO_IOEXCEPTION, JAVA_IO_OBJECTINPUTSTREAM, JAVA_IO_OBJECTOUTPUTSTREAM, JAVA_IO_OBJECTSTREAMEXCEPTION, JAVA_IO_PRINTSTREAM, JAVA_IO_SERIALIZABLE, JAVA_LANG, JAVA_LANG_ANNOTATION_ANNOTATION, JAVA_LANG_ANNOTATION_DOCUMENTED, JAVA_LANG_ANNOTATION_ELEMENTTYPE, JAVA_LANG_ANNOTATION_INHERITED, JAVA_LANG_ANNOTATION_RETENTION, JAVA_LANG_ANNOTATION_RETENTIONPOLICY, JAVA_LANG_ANNOTATION_TARGET, JAVA_LANG_ASSERTIONERROR, JAVA_LANG_AUTOCLOSEABLE, JAVA_LANG_BOOLEAN, JAVA_LANG_BYTE, JAVA_LANG_CHARACTER, JAVA_LANG_CLASS, JAVA_LANG_CLASSNOTFOUNDEXCEPTION, JAVA_LANG_CLONEABLE, JAVA_LANG_DEPRECATED, JAVA_LANG_DOUBLE, JAVA_LANG_ENUM, JAVA_LANG_ERROR, JAVA_LANG_EXCEPTION, JAVA_LANG_FLOAT, JAVA_LANG_ILLEGALARGUMENTEXCEPTION, JAVA_LANG_INTEGER, JAVA_LANG_INVOKE_METHODHANDLE_$_POLYMORPHICSIGNATURE, JAVA_LANG_INVOKE_METHODHANDLE_POLYMORPHICSIGNATURE, JAVA_LANG_ITERABLE, JAVA_LANG_LONG, JAVA_LANG_NOCLASSDEFERROR, JAVA_LANG_OBJECT, JAVA_LANG_OVERRIDE, JAVA_LANG_REFLECT_CONSTRUCTOR, JAVA_LANG_REFLECT_FIELD, JAVA_LANG_REFLECT_METHOD, JAVA_LANG_RUNTIMEEXCEPTION, JAVA_LANG_SAFEVARARGS, JAVA_LANG_SHORT, JAVA_LANG_STRING, JAVA_LANG_STRINGBUFFER, JAVA_LANG_STRINGBUILDER, JAVA_LANG_SUPPRESSWARNINGS, JAVA_LANG_SYSTEM, JAVA_LANG_THROWABLE, JAVA_LANG_VOID, JAVA_UTIL_COLLECTION, JAVA_UTIL_ITERATOR, JAVAX_RMI_CORBA_STUB, LANG, LENGTH, LONG, MAIN, MISMATCH, NULL, OBJECT, OK, PACKAGE_INFO_NAME, READOBJECT, READRESOLVE, REFLECT, SERIALPERSISTENTFIELDS, SERIALVERSIONUID, SHORT, SYNTHETIC_ACCESS_METHOD_PREFIX, SYNTHETIC_ASSERT_DISABLED, SYNTHETIC_CLASS, SYNTHETIC_ENCLOSING_INSTANCE_PREFIX, SYNTHETIC_ENUM_CONSTANT_INITIALIZATION_METHOD_PREFIX, SYNTHETIC_ENUM_VALUES, SYNTHETIC_OUTER_LOCAL_PREFIX, SYNTHETIC_STATIC_FACTORY, SYNTHETIC_SWITCH_ENUM_TABLE, TYPE, UNCHECKED, UPPER_ANNOTATION_TYPE, UPPER_CLASS, UPPER_CONSTRUCTOR, UPPER_FIELD, UPPER_LOCAL_VARIABLE, UPPER_METHOD, UPPER_PACKAGE, UPPER_PARAMETER, UPPER_RUNTIME, UPPER_SOURCE, UTIL, VALUE, VALUEOF, VALUES, VOID, WILDCARD_CAPTURE, WILDCARD_CAPTURE_NAME_PREFIX, WILDCARD_CAPTURE_NAME_SUFFIX, WILDCARD_EXTENDS, WILDCARD_MINUS, WILDCARD_NAME, WILDCARD_PLUS, WILDCARD_STAR, WILDCARD_SUPER, WRITEOBJECT, WRITEREPLACE

从接口 org.eclipse.jdt.internal.compiler.lookup.TypeIds 继承的字段

Boolean2Boolean, Boolean2Int, Boolean2String, BOXING, Byte2Byte, Byte2Char, Byte2Double, Byte2Float, Byte2Int, Byte2Long, Byte2Short, Byte2String, Char2Byte, Char2Char, Char2Double, Char2Float, Char2Int, Char2Long, Char2Short, Char2String, COMPILE_TYPE_MASK, Double2Byte, Double2Char, Double2Double, Double2Float, Double2Int, Double2Long, Double2Short, Double2String, Float2Byte, Float2Char, Float2Double, Float2Float, Float2Int, Float2Long, Float2Short, Float2String, IMPLICIT_CONVERSION_MASK, Int2Byte, Int2Char, Int2Double, Int2Float, Int2Int, Int2Long, Int2Short, Int2String, Long2Byte, Long2Char, Long2Double, Long2Float, Long2Int, Long2Long, Long2Short, Long2String, NoId, Null2Null, Null2String, Object2boolean, Object2byte, Object2char, Object2double, Object2float, Object2int, Object2long, Object2Object, Object2short, Object2String, Short2Byte, Short2Char, Short2Double, Short2Float, Short2Int, Short2Long, Short2Short, Short2String, String2String, T_boolean, T_byte, T_char, T_double, T_float, T_int, T_JavaIoException, T_JavaIoExternalizable, T_JavaIoObjectStreamException, T_JavaIoPrintStream, T_JavaIoSerializable, T_JavaLangAnnotationAnnotation, T_JavaLangAnnotationDocumented, T_JavaLangAnnotationElementType, T_JavaLangAnnotationInherited, T_JavaLangAnnotationRetention, T_JavaLangAnnotationRetentionPolicy, T_JavaLangAnnotationTarget, T_JavaLangAssertionError, T_JavaLangAutoCloseable, T_JavaLangBoolean, T_JavaLangByte, T_JavaLangCharacter, T_JavaLangClass, T_JavaLangClassNotFoundException, T_JavaLangCloneable, T_JavaLangDeprecated, T_JavaLangDouble, T_JavaLangEnum, T_JavaLangError, T_JavaLangException, T_JavaLangFloat, T_JavaLangIllegalArgumentException, T_JavaLangInteger, T_JavaLangInvokeMethodHandlePolymorphicSignature, T_JavaLangIterable, T_JavaLangLong, T_JavaLangNoClassDefError, T_JavaLangObject, T_JavaLangOverride, T_JavaLangReflectConstructor, T_JavaLangReflectField, T_JavaLangReflectMethod, T_JavaLangRuntimeException, T_JavaLangSafeVarargs, T_JavaLangShort, T_JavaLangString, T_JavaLangStringBuffer, T_JavaLangStringBuilder, T_JavaLangSuppressWarnings, T_JavaLangSystem, T_JavaLangThrowable, T_JavaLangVoid, T_JavaUtilCollection, T_JavaUtilIterator, T_long, T_null, T_short, T_undefined, T_void, UNBOXING

构造方法摘要

BinaryExpression(BinaryExpression expression)

BinaryExpression(Expression left, Expression right, int operator)

方法摘要

FlowInfo	analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo)
void	computeConstant(BlockScope scope, int leftId, int rightId)
void	generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) Code generation for a binary operation
void	generateLogicalAnd(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) Boolean generation for &
void	generateLogicalOr(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) Boolean generation for |
void	generateLogicalXor(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) Boolean generation for ^
void	generateOptimizedBoolean(BlockScope currentScope, CodeStream codeStream, BranchLabel trueLabel, BranchLabel falseLabel, boolean valueRequired) Boolean operator code generation Optimized operations are: <, <=, >, >=, &, |, ^
void	generateOptimizedGreaterThan(BlockScope currentScope, CodeStream codeStream, BranchLabel trueLabel, BranchLabel falseLabel, boolean valueRequired) Boolean generation for >
void	generateOptimizedGreaterThanOrEqual(BlockScope currentScope, CodeStream codeStream, BranchLabel trueLabel, BranchLabel falseLabel, boolean valueRequired) Boolean generation for >=
void	generateOptimizedLessThan(BlockScope currentScope, CodeStream codeStream, BranchLabel trueLabel, BranchLabel falseLabel, boolean valueRequired) Boolean generation for <
void	generateOptimizedLessThanOrEqual(BlockScope currentScope, CodeStream codeStream, BranchLabel trueLabel, BranchLabel falseLabel, boolean valueRequired) Boolean generation for <=
void	generateOptimizedLogicalAnd(BlockScope currentScope, CodeStream codeStream, BranchLabel trueLabel, BranchLabel falseLabel, boolean valueRequired) Boolean generation for &
void	generateOptimizedLogicalOr(BlockScope currentScope, CodeStream codeStream, BranchLabel trueLabel, BranchLabel falseLabel, boolean valueRequired) Boolean generation for |
void	generateOptimizedLogicalXor(BlockScope currentScope, CodeStream codeStream, BranchLabel trueLabel, BranchLabel falseLabel, boolean valueRequired) Boolean generation for ^
void	generateOptimizedStringConcatenation(BlockScope blockScope, CodeStream codeStream, int typeID)
void	generateOptimizedStringConcatenationCreation(BlockScope blockScope, CodeStream codeStream, int typeID)
boolean	isCompactableOperation()
Constant	optimizedBooleanConstant() Constant usable for bytecode pattern optimizations, but cannot be inlined since it is not strictly equivalent to the definition of constant expressions.
void	optimizedBooleanConstant(int leftId, int operator, int rightId)
StringBuffer	printExpressionNoParenthesis(int indent, StringBuffer output)
TypeBinding	resolveType(BlockScope scope) Resolve the type of this expression in the context of a blockScope
void	traverse(ASTVisitor visitor, BlockScope scope) Traverse an expression in the context of a blockScope

从类 org.eclipse.jdt.internal.compiler.ast.OperatorExpression 继承的方法

classInitialize, generateTableTestCase, get_AND_AND, get_AND, get_DIVIDE, get_EQUAL_EQUAL, get_GREATER_EQUAL, get_GREATER, get_LEFT_SHIFT, get_LESS_EQUAL, get_LESS, get_MINUS, get_MULTIPLY, get_OR_OR, get_OR, get_PLUS, get_REMAINDER, get_RIGHT_SHIFT, get_UNSIGNED_RIGHT_SHIFT, get_XOR, nullStatus, operatorToString, printExpression

从类 org.eclipse.jdt.internal.compiler.ast.Expression 继承的方法

analyseCode, checkCastTypesCompatibility, checkNPE, checkUnsafeCast, computeConversion, forcedToBeRaw, generateCode, getDirectBinding, isConstantValueOfTypeAssignableToType, isConstantValueRepresentable, isTypeReference, localVariableBinding, markAsNonNull, postConversionType, print, printStatement, resolve, resolveType, resolveTypeExpecting, reusableJSRTarget, setExpectedType, tagAsNeedCheckCast, tagAsUnnecessaryCast, toTypeReference, traverse

从类 org.eclipse.jdt.internal.compiler.ast.Statement 继承的方法

branchChainTo, checkAgainstNullAnnotation, complainIfUnreachable, expectedType, generateArguments, isBoxingCompatible, isEmptyBlock, isKnowDeadCodePattern, isValidJavaStatement, resolveCase

从类 org.eclipse.jdt.internal.compiler.ast.ASTNode 继承的方法

checkInvocationArguments, concreteStatement, isFieldUseDeprecated, isImplicitThis, isMethodUseDeprecated, isSuper, isThis, isTypeUseDeprecated, printAnnotations, printIndent, printModifiers, resolveAnnotations, resolveDeprecatedAnnotations, sourceEnd, sourceStart, toString

从类 java.lang.Object 继承的方法

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

字段详细信息

left

public Expression left

right

public Expression right

optimizedBooleanConstant

public Constant optimizedBooleanConstant

构造方法详细信息

BinaryExpression

public BinaryExpression(Expression left,
                        Expression right,
                        int operator)

BinaryExpression

public BinaryExpression(BinaryExpression expression)

方法详细信息

analyseCode

public FlowInfo analyseCode(BlockScope currentScope,
                            FlowContext flowContext,
                            FlowInfo flowInfo)

覆盖：

类 Expression 中的 analyseCode

computeConstant

public void computeConstant(BlockScope scope,
                            int leftId,
                            int rightId)

optimizedBooleanConstant

public Constant optimizedBooleanConstant()

从类 Expression 复制的描述

Constant usable for bytecode pattern optimizations, but cannot be inlined since it is not strictly equivalent to the definition of constant expressions. In particular, some side-effects may be required to occur (only the end value is known).

覆盖：

类 Expression 中的 optimizedBooleanConstant

返回：

Constant known to be of boolean type

generateCode

public void generateCode(BlockScope currentScope,
                         CodeStream codeStream,
                         boolean valueRequired)

Code generation for a binary operation

覆盖：

类 Expression 中的 generateCode

参数：

currentScope - org.eclipse.jdt.internal.compiler.lookup.BlockScope

codeStream - org.eclipse.jdt.internal.compiler.codegen.CodeStream

valueRequired - boolean

generateOptimizedBoolean

public void generateOptimizedBoolean(BlockScope currentScope,
                                     CodeStream codeStream,
                                     BranchLabel trueLabel,
                                     BranchLabel falseLabel,
                                     boolean valueRequired)

Boolean operator code generation Optimized operations are: <, <=, >, >=, &, |, ^

覆盖：

类 Expression 中的 generateOptimizedBoolean

generateOptimizedGreaterThan

public void generateOptimizedGreaterThan(BlockScope currentScope,
                                         CodeStream codeStream,
                                         BranchLabel trueLabel,
                                         BranchLabel falseLabel,
                                         boolean valueRequired)

Boolean generation for >

generateOptimizedGreaterThanOrEqual

public void generateOptimizedGreaterThanOrEqual(BlockScope currentScope,
                                                CodeStream codeStream,
                                                BranchLabel trueLabel,
                                                BranchLabel falseLabel,
                                                boolean valueRequired)

Boolean generation for >=

generateOptimizedLessThan

public void generateOptimizedLessThan(BlockScope currentScope,
                                      CodeStream codeStream,
                                      BranchLabel trueLabel,
                                      BranchLabel falseLabel,
                                      boolean valueRequired)

Boolean generation for <

generateOptimizedLessThanOrEqual

public void generateOptimizedLessThanOrEqual(BlockScope currentScope,
                                             CodeStream codeStream,
                                             BranchLabel trueLabel,
                                             BranchLabel falseLabel,
                                             boolean valueRequired)

Boolean generation for <=

generateLogicalAnd

public void generateLogicalAnd(BlockScope currentScope,
                               CodeStream codeStream,
                               boolean valueRequired)

Boolean generation for &

generateLogicalOr

public void generateLogicalOr(BlockScope currentScope,
                              CodeStream codeStream,
                              boolean valueRequired)

Boolean generation for |

generateLogicalXor

public void generateLogicalXor(BlockScope currentScope,
                               CodeStream codeStream,
                               boolean valueRequired)

Boolean generation for ^

generateOptimizedLogicalAnd

public void generateOptimizedLogicalAnd(BlockScope currentScope,
                                        CodeStream codeStream,
                                        BranchLabel trueLabel,
                                        BranchLabel falseLabel,
                                        boolean valueRequired)

Boolean generation for &

generateOptimizedLogicalOr

public void generateOptimizedLogicalOr(BlockScope currentScope,
                                       CodeStream codeStream,
                                       BranchLabel trueLabel,
                                       BranchLabel falseLabel,
                                       boolean valueRequired)

Boolean generation for |

generateOptimizedLogicalXor

public void generateOptimizedLogicalXor(BlockScope currentScope,
                                        CodeStream codeStream,
                                        BranchLabel trueLabel,
                                        BranchLabel falseLabel,
                                        boolean valueRequired)

Boolean generation for ^

generateOptimizedStringConcatenation

public void generateOptimizedStringConcatenation(BlockScope blockScope,
                                                 CodeStream codeStream,
                                                 int typeID)

覆盖：

类 Expression 中的 generateOptimizedStringConcatenation

generateOptimizedStringConcatenationCreation

public void generateOptimizedStringConcatenationCreation(BlockScope blockScope,
                                                         CodeStream codeStream,
                                                         int typeID)

覆盖：

类 Expression 中的 generateOptimizedStringConcatenationCreation

isCompactableOperation

public boolean isCompactableOperation()

覆盖：

类 Expression 中的 isCompactableOperation

optimizedBooleanConstant

public void optimizedBooleanConstant(int leftId,
                                     int operator,
                                     int rightId)

printExpressionNoParenthesis

public StringBuffer printExpressionNoParenthesis(int indent,
                                                 StringBuffer output)

指定者：

类 OperatorExpression 中的 printExpressionNoParenthesis

resolveType

public TypeBinding resolveType(BlockScope scope)

从类 Expression 复制的描述

Resolve the type of this expression in the context of a blockScope

覆盖：

类 Expression 中的 resolveType

返回：

Return the actual type of this expression after resolution

traverse

public void traverse(ASTVisitor visitor,
                     BlockScope scope)

从类 Expression 复制的描述

Traverse an expression in the context of a blockScope

覆盖：

类 Expression 中的 traverse