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AST
node type NullType

General Info

Production
NullType : TypeDecl;
Type Hierarchy:
java.lang.Object
  extended by beaver.Symbol
      extended by AST.ASTNode<ASTNode>
          extended by AST.TypeDecl
              extended by AST.NullType
All Implemented Interfaces:
SimpleSet, VariableScope, java.lang.Cloneable, java.lang.Iterable<ASTNode>, java.util.Iterator

Nested classes/interfaces inherited from interface AST.SimpleSet

SimpleSet.SimpleSetImpl

Description

Source
Declared in Java1.4Frontend/java.ast at line 47

Member Filters

API level:

Aspect:

Constructors

public NullType()
 
public NullType(Modifiers p0,
                java.lang.String p1,
                List<BodyDecl> p2)
 
public NullType(Modifiers p0,
                beaver.Symbol p1,
                List<BodyDecl> p2)
 

Attributes

syn boolean isNull()
Overrides:isNull in class TypeDecl
Source
Declared in Java1.4Frontend/TypeAnalysis.jrag at line 205
Aspect
TypeAnalysis
syn boolean instanceOf(TypeDecl type)
Overrides:instanceOf in class TypeDecl
Source
Declared in Java1.5Frontend/GenericsSubtype.jrag at line 391
Aspect
GenericsSubtype
syn boolean isSupertypeOfNullType(NullType type)
Overrides:isSupertypeOfNullType in class TypeDecl
Source
Declared in Java1.4Frontend/TypeAnalysis.jrag at line 482
Aspect
TypeWideningAndIdentity
syn TypeDecl stringPromotion()
Overrides:stringPromotion in class TypeDecl
Source
Declared in Java1.4Backend/InnerClasses.jrag at line 82
Aspect
InnerClasses
syn int variableSize()
Overrides:variableSize in class TypeDecl
Source
Declared in Java1.4Backend/LocalNum.jrag at line 124
Aspect
LocalNum
syn boolean subtype(TypeDecl type)
Overrides:subtype in class TypeDecl
Source
Declared in Java1.5Frontend/GenericsSubtype.jrag at line 411
Aspect
GenericsSubtype
syn boolean supertypeNullType(NullType type)
Overrides:supertypeNullType in class TypeDecl
Source
Declared in Java1.5Frontend/GenericsSubtype.jrag at line 479
Aspect
GenericsSubtype

Methods

public void flushCache()
Overrides:flushCache in class TypeDecl
public void flushCollectionCache()
Overrides:flushCollectionCache in class TypeDecl
public NullType clone()
               throws java.lang.CloneNotSupportedException
Overrides:clone in class TypeDecl
Throws:
java.lang.CloneNotSupportedException
public NullType copy()
Overrides:copy in class ASTNode<ASTNode>
public NullType fullCopy()
Create a deep copy of the AST subtree at this node. The copy is dangling, i.e. has no parent.
Overrides:fullCopy in class ASTNode<ASTNode>
Returns:
dangling copy of the subtree at this node
public void toString(java.lang.StringBuffer s)
Overrides:toString in class ASTNode<ASTNode>
Source
Declared in Java1.4Frontend/PrettyPrint.jadd at line 856
Aspect
PrettyPrint
public void emitReturn(CodeGeneration gen)
Overrides:emitReturn in class TypeDecl
Source
Declared in Java1.4Backend/CodeGeneration.jrag at line 619
Aspect
CodeGeneration
public void emitLoadLocal(CodeGeneration gen,
                          int pos)
Overrides:emitLoadLocal in class TypeDecl
Source
Declared in Java1.4Backend/CodeGeneration.jrag at line 674
Aspect
CodeGeneration
public void emitStoreLocal(CodeGeneration gen,
                           int pos)
Overrides:emitStoreLocal in class TypeDecl
Source
Declared in Java1.4Backend/CodeGeneration.jrag at line 787
Aspect
CodeGeneration
public void branchEQ(CodeGeneration gen,
                     int label)
Overrides:branchEQ in class TypeDecl
Source
Declared in Java1.4Backend/CodeGeneration.jrag at line 1140
Aspect
CodeGenerationBranch
public void branchNE(CodeGeneration gen,
                     int label)
Overrides:branchNE in class TypeDecl
Source
Declared in Java1.4Backend/CodeGeneration.jrag at line 1149
Aspect
CodeGenerationBranch
public void init$Children()
Initializes the child array to the correct size. Initializes List and Opt nta children.
Overrides:init$Children in class TypeDecl
protected int numChildren()
Overrides:numChildren in class TypeDecl
public boolean mayHaveRewrite()
Overrides:mayHaveRewrite in class TypeDecl
public void setModifiers(Modifiers node)
Replaces the Modifiers child.
Overrides:setModifiers in class TypeDecl
Parameters:
node - The new node to replace the Modifiers child.
public Modifiers getModifiers()
Retrieves the Modifiers child.
Overrides:getModifiers in class TypeDecl
Returns:
The current node used as the Modifiers child.
public Modifiers getModifiersNoTransform()
Retrieves the Modifiers child.

This method does not invoke AST transformations.

Overrides:getModifiersNoTransform in class TypeDecl
Returns:
The current node used as the Modifiers child.
public void setID(java.lang.String value)
Replaces the lexeme ID.
Overrides:setID in class TypeDecl
Parameters:
value - The new value for the lexeme ID.
public void setID(beaver.Symbol symbol)
JastAdd-internal setter for lexeme ID using the Beaver parser.
Overrides:setID in class TypeDecl
public java.lang.String getID()
Retrieves the value for the lexeme ID.
Overrides:getID in class TypeDecl
Returns:
The value for the lexeme ID.
public void setBodyDeclList(List<BodyDecl> list)
Replaces the BodyDecl list.
Overrides:setBodyDeclList in class TypeDecl
Parameters:
list - The new list node to be used as the BodyDecl list.
public int getNumBodyDecl()
Retrieves the number of children in the BodyDecl list.
Overrides:getNumBodyDecl in class TypeDecl
Returns:
Number of children in the BodyDecl list.
public int getNumBodyDeclNoTransform()
Retrieves the number of children in the BodyDecl list. Calling this method will not trigger rewrites..
Overrides:getNumBodyDeclNoTransform in class TypeDecl
Returns:
Number of children in the BodyDecl list.
public BodyDecl getBodyDecl(int i)
Retrieves the element at index i in the BodyDecl list..
Overrides:getBodyDecl in class TypeDecl
Parameters:
i - Index of the element to return.
Returns:
The element at position i in the BodyDecl list.
public void addBodyDecl(BodyDecl node)
Append an element to the BodyDecl list.
Overrides:addBodyDecl in class TypeDecl
Parameters:
node - The element to append to the BodyDecl list.
public void addBodyDeclNoTransform(BodyDecl node)
Overrides:addBodyDeclNoTransform in class TypeDecl
public void setBodyDecl(BodyDecl node,
                        int i)
Replaces the BodyDecl list element at index i with the new node node.
Overrides:setBodyDecl in class TypeDecl
Parameters:
node - The new node to replace the old list element.
i - The list index of the node to be replaced.
public List<BodyDecl> getBodyDecls()
Retrieves the BodyDecl list.
Overrides:getBodyDecls in class TypeDecl
Returns:
The node representing the BodyDecl list.
public List<BodyDecl> getBodyDeclsNoTransform()
Retrieves the BodyDecl list.

This method does not invoke AST transformations.

Overrides:getBodyDeclsNoTransform in class TypeDecl
Returns:
The node representing the BodyDecl list.
public List<BodyDecl> getBodyDeclList()
Retrieves the BodyDecl list.
Overrides:getBodyDeclList in class TypeDecl
Returns:
The node representing the BodyDecl list.
public List<BodyDecl> getBodyDeclListNoTransform()
Retrieves the BodyDecl list.

This method does not invoke AST transformations.

Overrides:getBodyDeclListNoTransform in class TypeDecl
Returns:
The node representing the BodyDecl list.
public ASTNode rewriteTo()
Overrides:rewriteTo in class TypeDecl

Fields

protected java.util.Map instanceOf_TypeDecl_values
protected java.util.Map subtype_TypeDecl_values

Inherited Members

Attributes inherited from AST.TypeDecl

accessibleFrom
accessibleFromExtend
accessibleFromPackage
add
addsIndentationLevel
ancestorMethods
andBitwise
annotation
arrayLoad
arrayPrimitiveTypeDescriptor
arrayStore
arrayType
arrayTypeDescriptor
assignableToInt
assignConversionTo
asWildcardExtends
asWildcardSuper
attributes
bcFields
binaryNumericPromotion
bitNot
boxed
bridgeCandidates
bytecodes
cast
castingConversionTo
classSignature
classTypeSignature
classTypeSignatureContents
clinit_attributes
compilationUnit
componentType
constantPool
constantPoolName
constructors
containedIn
contains
createEnumArray
createEnumIndex
createEnumMethod
destinationPath
dimension
div
dumpString
elementType
enclosedBy
encloses
enclosing
enclosingBlock
enclosingBodyDecl
enclosingInstance
enclosingType
enclosingVariables
eqIsTrue
erasure
fieldTypeSignature
flags
flush
fullName
hasAbstract
hasAnnotationSafeVarargs
hasAnnotationSuppressWarnings
hasClinit
hasEnclosingTypeDecl
hasPackage
hasType
hostPackage
hostType
identityConversionTo
implementedInterfaces
inExplicitConstructorInvocation
innerClassesAttributeEntries
inStaticContext
involvesTypeParameters
isAbstract
isAnnotationDecl
isAnonymous
isAnonymousInNonStaticContext
isArrayDecl
isBoolean
isByte
isChar
isCheckedException
isCircular
isClassDecl
isDAbefore
isDeprecated
isDouble
isDUbefore
isEmpty
isException
isFinal
isFloat
isGenericType
isInnerClass
isInnerType
isInnerTypeOf
isInt
isIntegralType
isInterfaceDecl
isIterable
isLocalClass
isLong
isMemberType
isNestedType
isNumericType
isObject
isParameterizedType
isPrimitive
isPrimitiveType
isPrivate
isProtected
isPublic
isRawType
isReferenceType
isReifiable
isShort
isStatic
isStrictfp
isString
isSupertypeOfArrayDecl
isSupertypeOfClassDecl
isSupertypeOfInterfaceDecl
isSupertypeOfPrimitiveType
isSupertypeOfVoidType
isSynthetic
isTopLevelType
isTypeVariable
isUnboxedPrimitive
isUncheckedConversionTo
isUncheckedException
isUnknown
isVoid
isWildcard
jvmName
leIsTrue
localFields
localFieldsMap
localMethodsSignature
localMethodsSignatureMap
localTypeDecls
lookupGLBType
lookupLUBType
lookupMethod
lookupSuperConstructor
lookupType
lookupType
lookupVariable
lookupWildcardExtends
lookupWildcardSuper
lshift
ltIsTrue
magicHeader
majorVersion
mayCatch
memberFields
memberFieldsMap
memberMethods
memberTypes
methodInvocationConversionTo
methodsNameMap
methodsSignature
methodsSignatureMap
methodWithArgs
minorVersion
minus
mod
mul
name
narrowingConversionTo
needsAccessorFor
needsEnclosing
needsSignatureAttribute
needsSuperEnclosing
orBitwise
original
packageName
plus
primitiveClassName
questionColon
referenceClassFieldName
rshift
sameSignature
sameStructure
size
sourceTypeDecl
stringConversion
sub
superEnclosing
supertypeArrayDecl
supertypeClassDecl
supertypeClassDeclSubstituted
supertypeGenericClassDecl
supertypeGenericClassDeclSubstituted
supertypeGenericInterfaceDecl
supertypeGenericInterfaceDeclSubstituted
supertypeGLBType
supertypeInterfaceDecl
supertypeInterfaceDeclSubstituted
supertypeLUBType
supertypeParClassDecl
supertypeParInterfaceDecl
supertypePrimitiveType
supertypeRawClassDecl
supertypeRawInterfaceDecl
supertypeTypeVariable
supertypeVoidType
supertypeWildcard
supertypeWildcardExtends
supertypeWildcardSuper
topLevelType
typeArgumentsOpt
typeCloneable
typeDescriptor
typeError
typeException
typeInt
typeName
typeObject
typeRuntimeException
typeSerializable
typeVoid
typeWildcard
unaryNumericPromotion
unboxed
unboxingConversionTo
unimplementedMethods
uniqueIndex
unknownType
unqualifiedLookupMethod
urshift
usesTypeVariable
wideningConversionTo
withinBodyThatSubclasses
withinDeprecatedAnnotation
withinSuppressWarnings
xorBitwise

Attributes inherited from AST.ASTNode

definesLabel
extractIndent
indent
isStringAdd
lineNumber
sourceLineNumber
unassignedEverywhere

Methods inherited from class AST.TypeDecl

add
addAccessor
addAnnotConstant
addConstant
addConstructor
addEnclosingVariables
addMemberClass
addMemberField
addMemberMethod
addNestedType
addUsedNestedType
allMethodsAbstract
boxingConversionTo
branchGE
branchGT
branchLE
branchLT
checkModifiers
clear
commensurateWith
createAssertionsDisabled
createBoundAccess
createQualifiedAccess
createStaticClassField
createStaticClassMethod
declaredBeforeUse
declaredBeforeUse
Define_boolean_insideLoop
Define_boolean_insideSwitch
Define_boolean_inStaticContext
Define_boolean_isAnonymous
Define_boolean_isDAbefore
Define_boolean_isDest
Define_boolean_isDUbefore
Define_boolean_isLocalClass
Define_boolean_isNestedType
Define_boolean_isSource
Define_boolean_mayBeAbstract
Define_boolean_mayBeFinal
Define_boolean_mayBeNative
Define_boolean_mayBePrivate
Define_boolean_mayBeProtected
Define_boolean_mayBePublic
Define_boolean_mayBeStatic
Define_boolean_mayBeStrictfp
Define_boolean_mayBeSynchronized
Define_boolean_mayBeTransient
Define_boolean_mayBeVolatile
Define_boolean_mayUseAnnotationTarget
Define_boolean_reportUnreachable
Define_boolean_withinDeprecatedAnnotation
Define_boolean_withinSuppressWarnings
Define_Collection_lookupConstructor
Define_Collection_lookupMethod
Define_Collection_lookupSuperConstructor
Define_NameType_nameType
Define_SimpleSet_lookupType
Define_SimpleSet_lookupVariable
Define_String_methodHost
Define_TypeDecl_componentType
Define_TypeDecl_enclosingInstance
Define_TypeDecl_enclosingType
Define_TypeDecl_hostType
Define_TypeDecl_returnType
Define_VariableScope_outerScope
emitBoxingOperation
emitDup_x1
emitDup_x2
emitDup
emitNew
emitPop
emitPushConstant
emitUnboxingOperation
fieldsIterator
findSingleVariable
generateClassfile
getAccessor
getAccessorSource
hasField
hasMethod
hasNext
isEnumDecl
isSingleton
isSingleton
isValidAnnotationMethodReturnType
iterator
localMethodsIterator
lookupConstructor
makeGeneric
mangledFlags
mayAccess
mayAccess
methodsIterator
nameCheck
nestedTypes
next
nextAnonymousIndex
ppBodyDecls
refined_TypeHierarchyCheck_TypeDecl_typeCheck
remove
substitute
substitute
substituteParameterType
substituteReturnType
transformation
typeCheck
usedNestedTypes

Methods inherited from class AST.ASTNode

accessControl
addChild
branchTarget
checkDUeverywhere
checkEnum
checkUncheckedConversion
checkWarnings
clearLocations
cloneSubtree
collectBranches
collectEnclosingVariables
collectErrors
collectExceptions
collectFinally
createBCode
Define_Annotation_lookupAnnotation
Define_ASTNode_enclosingBlock
Define_BodyDecl_enclosingBodyDecl
Define_boolean_handlesException
Define_boolean_hasPackage
Define_boolean_inExplicitConstructorInvocation
Define_boolean_inExtendsOrImplements
Define_boolean_inhModifiedInScope
Define_boolean_isAnonymousDecl
Define_boolean_isCatchParam
Define_boolean_isConstructorParameter
Define_boolean_isExceptionHandlerParameter
Define_boolean_isExplicitGenericConstructorAccess
Define_boolean_isIncOrDec
Define_boolean_isMemberType
Define_boolean_isMethodParameter
Define_boolean_reachable
Define_boolean_reachableCatchClause
Define_boolean_resourcePreviouslyDeclared
Define_boolean_variableArityValid
Define_Case_bind
Define_CatchClause_catchClause
Define_ClassInstanceExpr_getClassInstanceExpr
Define_Collection_TypeDecl__caughtExceptions
Define_CompilationUnit_compilationUnit
Define_ConstructorDecl_constructorDecl
Define_ConstructorDecl_unknownConstructor
Define_ElementValue_lookupElementTypeValue
Define_Expr_nestedScope
Define_GLBType_lookupGLBType
Define_int_condition_false_label
Define_int_condition_true_label
Define_int_localNum
Define_int_resultSaveLocalNum
Define_int_variableScopeEndLabel
Define_LabeledStmt_lookupLabel
Define_LUBType_lookupLUBType
Define_MethodDecl_unknownMethod
Define_SimpleSet_allImportedTypes
Define_String_destinationPath
Define_String_hostPackage
Define_String_packageName
Define_String_typeDeclIndent
Define_TypeDecl_assignConvertedType
Define_TypeDecl_declType
Define_TypeDecl_enclosingAnnotationDecl
Define_TypeDecl_expectedType
Define_TypeDecl_genericDecl
Define_TypeDecl_lookupType
Define_TypeDecl_lookupWildcardExtends
Define_TypeDecl_lookupWildcardSuper
Define_TypeDecl_superType
Define_TypeDecl_switchType
Define_TypeDecl_typeBoolean
Define_TypeDecl_typeByte
Define_TypeDecl_typeChar
Define_TypeDecl_typeCloneable
Define_TypeDecl_typeDouble
Define_TypeDecl_typeError
Define_TypeDecl_typeException
Define_TypeDecl_typeFloat
Define_TypeDecl_typeInt
Define_TypeDecl_typeLong
Define_TypeDecl_typeNull
Define_TypeDecl_typeNullPointerException
Define_TypeDecl_typeObject
Define_TypeDecl_typeRuntimeException
Define_TypeDecl_typeSerializable
Define_TypeDecl_typeShort
Define_TypeDecl_typeString
Define_TypeDecl_typeThrowable
Define_TypeDecl_typeVoid
Define_TypeDecl_typeWildcard
Define_TypeDecl_unknownType
Define_Variable_unknownField
definiteAssignment
dumpTree
dumpTree
dumpTreeNoRewrite
dumpTreeNoRewrite
duringAnnotations
duringAnonymousClasses
duringBoundNames
duringDU
duringEnums
duringGenericTypeVariables
duringImplicitConstructor
duringLiterals
duringNameResolution
duringSyntacticClassification
duringVariableDeclarationTransformation
end
error
error
errorPrefix
exceptionHandling
extractSingleType
findFirstSourceLineNumber
flushCaches
getChild
getChildNoTransform
getIndexOfChild
getNumChild
getNumChildNoTransform
getParent
in$Circle
in$Circle
insertChild
is$Final
is$Final
isDescendantTo
location
options
putSimpleSetElement
reachedException
removeChild
removeInstanceMethods
removeInstanceVariables
replace
setChild
setEnd
setLocation
setParent
setSourceLineNumber
setStart
sourceFile
start
state
toString
transformEnumConstructors
varChildIndex
varChildIndex
warning
warningPrefix
with

Methods inherited from class beaver.Symbol

getColumn
getEnd
getId
getLine
getStart
makePosition

Methods inherited from class java.lang.Object

equals
finalize
getClass
hashCode
notify
notifyAll
wait
wait
wait

Methods inherited from interface AST.SimpleSet

contains
isEmpty
size

Methods inherited from interface AST.VariableScope

lookupVariable

Fields inherited from AST.TypeDecl

accessibleFrom_TypeDecl_values
accessibleFromExtend_TypeDecl_values
accessibleFromPackage_String_values
accessorCounter
ancestorMethods_String_values
anonymousIndex
arrayType_computed
arrayType_value
attributes_computed
attributes_value
bcFields_computed
bcFields_value
boxed_computed
boxed_value
bytecodes_ConstantPool_values
castingConversionTo_TypeDecl_values
classSignature_computed
classSignature_value
classTypeSignature_computed
classTypeSignature_value
clinit_attributes_computed
clinit_attributes_value
componentType_computed
componentType_value
constantPool_computed
constantPool_value
constantPoolName_computed
constantPoolName_value
constructors_computed
constructors_value
containedIn_TypeDecl_values
createEnumArray_TypeDecl_values
createEnumIndex_EnumConstant_values
createEnumMethod_TypeDecl_values
destinationPath_computed
destinationPath_value
dimension_computed
dimension_value
elementType_computed
elementType_value
enclosingVariables_computed
enclosingVariables_value
erasure_computed
erasure_value
fieldTypeSignature_computed
fieldTypeSignature_value
flags_computed
flags_value
fullName_computed
fullName_value
hasAbstract_computed
hasAbstract_value
hasClinit_computed
hasClinit_value
IDend
IDstart
implementedInterfaces_computed
implementedInterfaces_value
inExplicitConstructorInvocation_computed
inExplicitConstructorInvocation_value
innerClassesAttributeEntries_computed
innerClassesAttributeEntries_value
inStaticContext_computed
inStaticContext_value
involvesTypeParameters_computed
involvesTypeParameters_initialized
involvesTypeParameters_value
involvesTypeParameters_visited
isAnonymous_computed
isAnonymous_value
isCheckedException_computed
isCheckedException_value
isCircular_computed
isCircular_initialized
isCircular_value
isCircular_visited
isDAbefore_Variable_values
isDUbefore_Variable_values
isException_computed
isException_value
isIterable_computed
isIterable_value
isObject_computed
isObject_value
isPublic_computed
isPublic_value
isStatic_computed
isStatic_value
isString_computed
isString_value
isUncheckedException_computed
isUncheckedException_value
jvmName_computed
jvmName_value
localFields_String_values
localFieldsMap_computed
localFieldsMap_value
localMethodsSignatureMap_computed
localMethodsSignatureMap_value
localTypeDecls_String_values
lookupMethod_String_values
lookupType_String_values
lookupVariable_String_values
mayCatch_TypeDecl_values
memberFields_String_values
memberFieldsMap_computed
memberFieldsMap_value
memberTypes_String_values
methodInvocationConversionTo_TypeDecl_values
methodsNameMap_computed
methodsNameMap_value
methodsSignatureMap_computed
methodsSignatureMap_value
narrowingConversionTo_TypeDecl_values
needsSignatureAttribute_computed
needsSignatureAttribute_value
packageName_computed
packageName_value
sameStructure_TypeDecl_values
sourceTypeDecl_computed
sourceTypeDecl_value
tokenString_ID
typeDescriptor_computed
typeDescriptor_value
typeError_computed
typeError_value
typeException_computed
typeException_value
typeName_computed
typeName_value
typeObject_computed
typeObject_value
typeRuntimeException_computed
typeRuntimeException_value
unboxed_computed
unboxed_value
unimplementedMethods_computed
unimplementedMethods_value
uniqueIndex_computed
uniqueIndex_value
unknownType_computed
unknownType_value
unqualifiedLookupMethod_String_values
usesTypeVariable_computed
usesTypeVariable_initialized
usesTypeVariable_value
usesTypeVariable_visited

Fields inherited from AST.ASTNode

children
generatedWithCacheCycle
generatedWithCircularEnabled
generatedWithComponentCheck
in$Circle
is$Final
numChildren
parent
PRIMITIVE_PACKAGE_NAME
state

Fields inherited from beaver.Symbol

end
id
start
value

Fields inherited from interface AST.SimpleSet

emptySet
fullSet
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