org.eclipse.jdt.internal.compiler.ast
Class CompoundAssignment

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.Assignment
                  org.eclipse.jdt.internal.compiler.ast.CompoundAssignment

All Implemented Interfaces:

OperatorIds, TypeConstants, TypeIds

Direct Known Subclasses:

PostfixExpression, PrefixExpression

public class CompoundAssignment
extends Assignment
implements OperatorIds

Field Summary

int	operator
int	preAssignImplicitConversion

Fields inherited from class org.eclipse.jdt.internal.compiler.ast.Assignment

expression, lhs

Fields inherited from class org.eclipse.jdt.internal.compiler.ast.Expression

constant, implicitConversion, resolvedType, statementEnd

Fields inherited from class org.eclipse.jdt.internal.compiler.ast.ASTNode

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, ContainsAssertion, DepthMASK, DepthSHIFT, DidResolve, DisableUnnecessaryCastCheck, DiscardEnclosingInstance, DocumentedFallthrough, Empty, ErrorInSignature, FirstAssignmentToLocal, GenerateCheckcast, HasAbstractMethods, HasAllMethodBodies, HasBeenGenerated, HasBeenResolved, HasLocalType, IgnoreNoEffectAssignCheck, IgnoreRawTypeCheck, InsideJavadoc, INVOCATION_ARGUMENT_OK, INVOCATION_ARGUMENT_UNCHECKED, INVOCATION_ARGUMENT_WILDCARD, IsAnnotationDefaultValue, IsAnonymousType, IsAnySubRoutineEscaping, IsCompoundAssigned, IsDefaultConstructor, IsElseIfStatement, IsImplicitThis, IsImplicitUnit, IsLocalDeclarationReachable, IsLocalType, IsMemberType, IsNonNull, IsReachable, IsRecovered, IsReturnedValue, IsSecondaryType, IsStrictlyAssigned, IsSubRoutineEscaping, IsSuperType, IsSynchronized, IsTryBlockExiting, IsUsefulEmptyStatement, IsVarArgs, LabelUsed, NeededScope, NeedFreeReturn, OnDemand, OperatorMASK, OperatorSHIFT, OverridingMethodWithSupercall, ParenthesizedMASK, ParenthesizedSHIFT, RestrictiveFlagMASK, ReturnTypeIDMASK, sourceEnd, sourceStart, SuperAccess, ThenExit, UndocumentedEmptyBlock, UnnecessaryCast, UnsafeCast, Used

Fields inherited from interface org.eclipse.jdt.internal.compiler.ast.OperatorIds

AND, AND_AND, DIVIDE, EQUAL, EQUAL_EQUAL, GREATER, GREATER_EQUAL, INSTANCEOF, JML_ELEMTYPE, JML_EQUIV, JML_IMPLIES, JML_NONNULLELEMENTS, JML_NOT_ASSIGNED, JML_NOT_EQUIV, JML_NOT_MODIFIED, JML_OLD, JML_PRE, JML_REPRESENTS, JML_REV_IMPLIES, JML_TYPE, JML_TYPEOF, JmlOtherOpIdStart, LEFT_SHIFT, LESS, LESS_EQUAL, MINUS, MINUS_MINUS, MULTIPLY, NOT, NOT_EQUAL, NumberOfExtraTablesForJML, NumberOfTables, OR, OR_OR, PLUS, PLUS_PLUS, QUESTIONCOLON, REMAINDER, RIGHT_SHIFT, TWIDDLE, UNSIGNED_RIGHT_SHIFT, XOR

Fields inherited from interface org.eclipse.jdt.internal.compiler.lookup.TypeConstants

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, FLOAT, GETCLASS, INIT, INT, 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_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_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_SHORT, JAVA_LANG_STRING, JAVA_LANG_STRINGBUFFER, JAVA_LANG_STRINGBUILDER, JAVA_LANG_SUPPRESSWARNINGS, JAVA_LANG_SYSTEM, JAVA_LANG_THROWABLE, JAVA_LANG_VOID, JAVA_UTIL_ITERATOR, JML_ANNOTATION, JML_ANNOTATION_CODE_BIGINT_MATH, JML_ANNOTATION_CODE_JAVA_MATH, JML_ANNOTATION_CODE_SAFE_MATH, JML_ANNOTATION_GHOST, JML_ANNOTATION_HELPER, JML_ANNOTATION_INSTANCE, JML_ANNOTATION_MODEL, JML_ANNOTATION_NON_NULL, JML_ANNOTATION_NON_NULL_BY_DEFAULT, JML_ANNOTATION_NULLABLE, JML_ANNOTATION_NULLABLE_BY_DEFAULT, JML_ANNOTATION_PEER, JML_ANNOTATION_PKG, JML_ANNOTATION_PURE, JML_ANNOTATION_READONLY, JML_ANNOTATION_REP, JML_ANNOTATION_SPEC_BIGINT_MATH, JML_ANNOTATION_SPEC_JAVA_MATH, JML_ANNOTATION_SPEC_PROTECTED, JML_ANNOTATION_SPEC_PUBLIC, JML_ANNOTATION_SPEC_SAFE_MATH, JML_ANNOTATION_TYPE_CODE_BIGINT_MATH, JML_ANNOTATION_TYPE_CODE_JAVA_MATH, JML_ANNOTATION_TYPE_CODE_SAFE_MATH, JML_ANNOTATION_TYPE_GHOST, JML_ANNOTATION_TYPE_HELPER, JML_ANNOTATION_TYPE_INSTANCE, JML_ANNOTATION_TYPE_MODEL, JML_ANNOTATION_TYPE_NON_NULL_BY_DEFAULT, JML_ANNOTATION_TYPE_NONNULL, JML_ANNOTATION_TYPE_NULLABLE, JML_ANNOTATION_TYPE_NULLABLE_BY_DEFAULT, JML_ANNOTATION_TYPE_PEER, JML_ANNOTATION_TYPE_PURE, JML_ANNOTATION_TYPE_READONLY, JML_ANNOTATION_TYPE_REP, JML_ANNOTATION_TYPE_SPEC_BIGINT_MATH, JML_ANNOTATION_TYPE_SPEC_JAVA_MATH, JML_ANNOTATION_TYPE_SPEC_PROTECTED, JML_ANNOTATION_TYPE_SPEC_PUBLIC, JML_ANNOTATION_TYPE_SPEC_SAFE_MATH, JML_ANNOTATION_TYPE_UNINITIALIZED, JML_ANNOTATION_UNINITIALIZED, JML_ORG, JML_RUNTIME, JML_RUNTIME_ANNOTATION, JML4, JMLSPECS, 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_VALUES, SYNTHETIC_OUTER_LOCAL_PREFIX, 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

Fields inherited from interface org.eclipse.jdt.internal.compiler.lookup.TypeIds

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, Null2String, Object2Object, 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_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_JavaLangIterable, T_JavaLangLong, T_JavaLangNoClassDefError, T_JavaLangObject, T_JavaLangOverride, T_JavaLangReflectConstructor, T_JavaLangReflectField, T_JavaLangReflectMethod, T_JavaLangRuntimeException, T_JavaLangShort, T_JavaLangString, T_JavaLangStringBuffer, T_JavaLangStringBuilder, T_JavaLangSuppressWarnings, T_JavaLangSystem, T_JavaLangThrowable, T_JavaLangVoid, T_JavaUtilIterator, T_long, T_null, T_short, T_undefined, T_void, UNBOXING

Constructor Summary

CompoundAssignment(Expression lhs, Expression expression, int operator, int sourceEnd)

Method Summary

FlowInfo	analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo)
void	generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) Every expression is responsible for generating its implicit conversion when necessary.
int	nullStatus(FlowInfo flowInfo)
java.lang.String	operatorToString()
java.lang.StringBuffer	printExpressionNoParenthesis(int indent, java.lang.StringBuffer output)
TypeBinding	resolveType(BlockScope scope) Resolve the type of this expression in the context of a blockScope
boolean	restrainUsageToNumericTypes()
void	traverse(ASTVisitor visitor, BlockScope scope) Traverse an expression in the context of a blockScope

Methods inherited from class org.eclipse.jdt.internal.compiler.ast.Assignment

getDirectBinding, localVariableBinding, print, printExpression, printStatement, resolveTypeExpecting

Methods inherited from class org.eclipse.jdt.internal.compiler.ast.Expression

analyseCode, checkCastTypesCompatibility, checkNPE, checkUnsafeCast, computeConversion, generateCode, generateOptimizedBoolean, generateOptimizedStringConcatenation, generateOptimizedStringConcatenationCreation, isCompactableOperation, isConstantValueOfTypeAssignableToType, isConstantValueRepresentable, isDeclaredMonoNonNull, isDeclaredNonNull, isTypeReference, markAsNonNull, optimizedBooleanConstant, postConversionType, resolve, resolveType, reusableJSRTarget, setExpectedType, tagAsNeedCheckCast, tagAsUnnecessaryCast, toTypeReference, traverse

Methods inherited from class org.eclipse.jdt.internal.compiler.ast.Statement

branchChainTo, complainIfUnreachable, generateArguments, isEmptyBlock, isValidJavaStatement, resolveCase

Methods inherited from class org.eclipse.jdt.internal.compiler.ast.ASTNode

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

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

operator

public int operator

preAssignImplicitConversion

public int preAssignImplicitConversion

Constructor Detail

CompoundAssignment

public CompoundAssignment(Expression lhs,
                          Expression expression,
                          int operator,
                          int sourceEnd)

Method Detail

analyseCode

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

Overrides:

analyseCode in class Assignment

generateCode

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

Description copied from class: Expression

Every expression is responsible for generating its implicit conversion when necessary.

Overrides:

generateCode in class Assignment

Parameters:

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

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

valueRequired - boolean

nullStatus

public int nullStatus(FlowInfo flowInfo)

Overrides:

nullStatus in class Assignment

operatorToString

public java.lang.String operatorToString()

printExpressionNoParenthesis

public java.lang.StringBuffer printExpressionNoParenthesis(int indent,
                                                           java.lang.StringBuffer output)

Overrides:

printExpressionNoParenthesis in class Assignment

resolveType

public TypeBinding resolveType(BlockScope scope)

Description copied from class: Expression

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

Overrides:

resolveType in class Assignment

Returns:

Return the actual type of this expression after resolution

restrainUsageToNumericTypes

public boolean restrainUsageToNumericTypes()

traverse

public void traverse(ASTVisitor visitor,
                     BlockScope scope)

Description copied from class: Expression

Traverse an expression in the context of a blockScope

Overrides:

traverse in class Assignment