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

java.lang.Object
  extended by org.eclipse.jdt.internal.compiler.ast.ASTNode
      extended by 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, 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
 
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, 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
 
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, 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
 
Constructor Summary
Statement()
           
 
Method Summary
abstract  FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo)
           
 void branchChainTo(BranchLabel label)
          INTERNAL USE ONLY.
protected  int checkAgainstNullAnnotation(BlockScope currentScope, LocalVariableBinding local, int nullStatus)
          Empty hook for checking null status against declaration using null annotations, once this will be supported.
 int complainIfUnreachable(FlowInfo flowInfo, BlockScope scope, int previousComplaintLevel)
           
 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()
           
 StringBuffer print(int indent, StringBuffer output)
           
abstract  StringBuffer printStatement(int indent, 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)

checkAgainstNullAnnotation

protected int checkAgainstNullAnnotation(BlockScope currentScope,
                                         LocalVariableBinding local,
                                         int nullStatus)
Empty hook for checking null status against declaration using null annotations, once this will be supported.


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)

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 StringBuffer print(int indent,
                          StringBuffer output)
Specified by:
print in class ASTNode

printStatement

public abstract StringBuffer printStatement(int indent,
                                            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()


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