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

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

All Implemented Interfaces:

TypeConstants, TypeIds

Direct Known Subclasses:

AbstractVariableDeclaration, AssertStatement, Block, BranchStatement, CaseStatement, DoStatement, EmptyStatement, ExplicitConstructorCall, Expression, ForeachStatement, ForStatement, IfStatement, LabeledStatement, ReturnStatement, SubRoutineStatement, SwitchStatement, ThrowStatement, TypeDeclaration, WhileStatement

public abstract class Statement
extends ASTNode

Field Summary

static int	COMPLAINED_FAKE_REACHABLE
static int	COMPLAINED_UNREACHABLE
static int	NOT_COMPLAINED

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, CanBeStatic, ContainsAssertion, DepthMASK, DepthSHIFT, DidResolve, DisableUnnecessaryCastCheck, DiscardEnclosingInstance, DocumentedCasesOmitted, 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, IsSynthetic, 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

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, CLOSE, CONSTRAINT_EQUAL, CONSTRAINT_EXTENDS, CONSTRAINT_SUPER, CORE, DOUBLE, ECLIPSE, EQUALS, FLOAT, GETCLASS, HASHCODE, INIT, INT, INVOKE, IO, JAVA, JAVA_IO, JAVA_IO_CLOSEABLE, JAVA_IO_EXTERNALIZABLE, JAVA_IO_IOEXCEPTION, JAVA_IO_OBJECTINPUTSTREAM, JAVA_IO_OBJECTOUTPUTSTREAM, JAVA_IO_OBJECTSTREAMEXCEPTION, JAVA_IO_PRINTSTREAM, JAVA_IO_RESOURCE_FREE_CLOSEABLES, JAVA_IO_SERIALIZABLE, JAVA_IO_WRAPPER_CLOSEABLES, 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, JAVA_UTIL_ZIP_WRAPPER_CLOSEABLES, JAVAX, JAVAX_RMI_CORBA_STUB, LANG, LENGTH, LONG, MAIN, MISMATCH, NULL, OBJECT, OK, ORG, ORG_ECLIPSE_CORE_RUNTIME_ASSERT, OTHER_WRAPPER_CLOSEABLES, PACKAGE_INFO_NAME, READOBJECT, READRESOLVE, REFLECT, RUNTIME, 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, ZIP

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

BitAutoCloseable, BitCloseable, BitResourceFreeCloseable, BitUninitialized, BitWrapperCloseable, 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, InheritableBits, 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_ConfiguredAnnotationNonNull, T_ConfiguredAnnotationNonNullByDefault, T_ConfiguredAnnotationNullable, 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_OrgEclipseCoreRuntimeAssert, T_short, T_undefined, T_void, UNBOXING

Constructor Summary

Statement()

Method Summary

protected void	analyseArguments(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, MethodBinding methodBinding, Expression[] arguments) Analysing arguments of MessageSend, ExplicitConstructorCall, AllocationExpression.
abstract FlowInfo	analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo)
void	branchChainTo(BranchLabel label) INTERNAL USE ONLY.
protected int	checkAssignmentAgainstNullAnnotation(BlockScope currentScope, FlowContext flowContext, LocalVariableBinding local, int nullStatus, Expression expression, TypeBinding providedType) Check null-ness of 'local' against a possible null annotation
int	complainIfUnreachable(FlowInfo flowInfo, BlockScope scope, int previousComplaintLevel, boolean endOfBlock)
TypeBinding	expectedType() Implementation of InvocationSite.expectedType() suitable at this level.
void	generateArguments(MethodBinding binding, Expression[] arguments, BlockScope currentScope, CodeStream codeStream) Generate invocation arguments, considering varargs methods
abstract void	generateCode(BlockScope currentScope, CodeStream codeStream)
protected boolean	isBoxingCompatible(TypeBinding expressionType, TypeBinding targetType, Expression expression, Scope scope)
boolean	isEmptyBlock()
protected static boolean	isKnowDeadCodePattern(Expression expression) Answers true if the if is identified as a known coding pattern which should be tolerated by dead code analysis.
boolean	isValidJavaStatement()
java.lang.StringBuffer	print(int indent, java.lang.StringBuffer output)
abstract java.lang.StringBuffer	printStatement(int indent, java.lang.StringBuffer output)
abstract void	resolve(BlockScope scope)
Constant	resolveCase(BlockScope scope, TypeBinding testType, SwitchStatement switchStatement) Returns case constant associated to this statement (NotAConstant if none)

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, traverse

Methods inherited from class java.lang.Object

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

Field Detail

NOT_COMPLAINED

public static final int NOT_COMPLAINED

See Also:

Constant Field Values

COMPLAINED_FAKE_REACHABLE

public static final int COMPLAINED_FAKE_REACHABLE

See Also:

Constant Field Values

COMPLAINED_UNREACHABLE

public static final int COMPLAINED_UNREACHABLE

See Also:

Constant Field Values

Constructor Detail

Statement

public Statement()

Method Detail

isKnowDeadCodePattern

protected static boolean isKnowDeadCodePattern(Expression expression)

Answers true if the if is identified as a known coding pattern which should be tolerated by dead code analysis. e.g. if (DEBUG) print(); // no complaint Only invoked when overall condition is known to be optimizeable into false/true.

analyseCode

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

analyseArguments

protected void analyseArguments(BlockScope currentScope,
                                FlowContext flowContext,
                                FlowInfo flowInfo,
                                MethodBinding methodBinding,
                                Expression[] arguments)

Analysing arguments of MessageSend, ExplicitConstructorCall, AllocationExpression.

checkAssignmentAgainstNullAnnotation

protected int checkAssignmentAgainstNullAnnotation(BlockScope currentScope,
                                                   FlowContext flowContext,
                                                   LocalVariableBinding local,
                                                   int nullStatus,
                                                   Expression expression,
                                                   TypeBinding providedType)

Check null-ness of 'local' against a possible null annotation

branchChainTo

public void branchChainTo(BranchLabel label)

INTERNAL USE ONLY. This is used to redirect inter-statements jumps.

complainIfUnreachable

public int complainIfUnreachable(FlowInfo flowInfo,
                                 BlockScope scope,
                                 int previousComplaintLevel,
                                 boolean endOfBlock)

generateArguments

public void generateArguments(MethodBinding binding,
                              Expression[] arguments,
                              BlockScope currentScope,
                              CodeStream codeStream)

Generate invocation arguments, considering varargs methods

generateCode

public abstract void generateCode(BlockScope currentScope,
                                  CodeStream codeStream)

isBoxingCompatible

protected boolean isBoxingCompatible(TypeBinding expressionType,
                                     TypeBinding targetType,
                                     Expression expression,
                                     Scope scope)

isEmptyBlock

public boolean isEmptyBlock()

isValidJavaStatement

public boolean isValidJavaStatement()

print

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

Specified by:

print in class ASTNode

printStatement

public abstract java.lang.StringBuffer printStatement(int indent,
                                                      java.lang.StringBuffer output)

resolve

public abstract void resolve(BlockScope scope)

resolveCase

public Constant resolveCase(BlockScope scope,
                            TypeBinding testType,
                            SwitchStatement switchStatement)

Returns case constant associated to this statement (NotAConstant if none)

expectedType

public TypeBinding expectedType()

Implementation of InvocationSite.expectedType() suitable at this level. Subclasses should override as necessary.

See Also:

InvocationSite.expectedType()