NullLiteral (Soot - a J*va Optimization Framework 4.2.1 API)

java.lang.Object
- beaver.Symbol
- - soot.JastAddJ.ASTNode<ASTNode>
  - - soot.JastAddJ.Expr
    - - soot.JastAddJ.PrimaryExpr
      - soot.JastAddJ.Literal
        
        soot.JastAddJ.NullLiteral

All Implemented Interfaces:

Cloneable, Iterable<ASTNode>
```
public class NullLiteral
extends Literal
implements Cloneable
```
Java null literal.

Field Summary

Fields
Modifier and Type Field and Description

protected boolean type_computed

protected TypeDecl type_value
- Fields inherited from class soot.JastAddJ.Literal
  constant_computed, constant_value, LITERALend, LITERALstart, tokenString_LITERAL
- Fields inherited from class soot.JastAddJ.Expr
  false_label_computed, false_label_value, true_label_computed, true_label_value
- Fields inherited from class soot.JastAddJ.ASTNode
  children, generatedWithCacheCycle, generatedWithCircularEnabled, generatedWithComponentCheck, in$Circle, is$Final, numChildren, parent, PRIMITIVE_PACKAGE_NAME, state
- Fields inherited from class beaver.Symbol
  end, id, start, value

Fields
Modifier and Type	Field and Description
`protected boolean`	`type_computed`
`protected TypeDecl`	`type_value`

Constructor Summary

Constructors
Constructor and Description

NullLiteral()

NullLiteral(String p0)

NullLiteral(Symbol p0)

Constructors
Constructor and Description
`NullLiteral()`
`NullLiteral(String p0)`
`NullLiteral(Symbol p0)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`NullLiteral`	`clone()`
`NullLiteral`	`copy()`
`Value`	`eval(Body b)`
`void`	`flushCache()`
`void`	`flushCollectionCache()`
`NullLiteral`	`fullCopy()` Create a deep copy of the AST subtree at this node.
`String`	`getLITERAL()` Retrieves the value for the lexeme LITERAL.
`void`	`init$Children()` Initializes the child array to the correct size.
`boolean`	`isConstant()`
`boolean`	`mayHaveRewrite()`
`protected int`	`numChildren()`
`ASTNode`	`rewriteTo()`
`void`	`setLITERAL(String value)` Replaces the lexeme LITERAL.
`void`	`setLITERAL(Symbol symbol)` JastAdd-internal setter for lexeme LITERAL using the Beaver parser.
`TypeDecl`	`type()`

Methods inherited from class soot.JastAddJ.Literal
asEscape, buildBooleanLiteral, buildDoubleLiteral, buildFloatLiteral, buildIntegerLiteral, buildLongLiteral, buildStringLiteral, constant, dumpString, escape, toString

Methods inherited from class soot.JastAddJ.Expr
addDependencyIfNeeded, applicableAndAccessible, assignConvertedType, canBeFalse, canBeTrue, chooseConstructor, collectTypesToHierarchy, condition_false_label, condition_true_label, emitBooleanCondition, emitEvalBranch, emitStore, enclosingBodyDecl, enclosingStmt, false_label, hasNextAccess, hasPackage, hasParentDot, hasQualifiedPackage, hostPackage, hostType, inExtendsOrImplements, inStaticContext, isArrayAccess, isClassAccess, isDAafter, isDAafterFalse, isDAafterTrue, isDAbefore, isDest, isDUafter, isDUafterFalse, isDUafterTrue, isDUbefore, isEnumConstant, isFalse, isFieldAccess, isIncOrDec, isLeftChildOfDot, isMethodAccess, isPackageAccess, isPositive, isRightChildOfDot, isSource, isSuperAccess, isSuperConstructorAccess, isThisAccess, isTrue, isTypeAccess, isUnknown, isVariable, isVariable, keepAccessibleFields, keepAccessibleTypes, lookupMethod, lookupType, lookupType, lookupVariable, mayAccess, methodHost, modifiedInScope, mostSpecific, mostSpecificConstructor, nameType, nextAccess, packageName, parentDot, qualifiedLookupType, qualifiedLookupVariable, qualifiesAccess, refined_BooleanExpressions_Expr_emitEvalBranch, representableIn, staticContextQualifier, throwTypes, true_label, typeBoolean, typeByte, typeChar, typeDouble, typeFloat, typeInt, typeLong, typeName, typeNull, typeShort, typeString, typeVoid, unknownType, varDecl

Methods inherited from class soot.JastAddJ.ASTNode
accessControl, addAttributes, addChild, addsIndentationLevel, asImmediate, asLocal, asLocal, asRValue, beginExceptionRange, branchTarget, checkDUeverywhere, checkEnum, checkUncheckedConversion, checkWarnings, clearLocations, cloneSubtree, collectBranches, collectEnclosingVariables, collectErrors, collectExceptions, collectFinally, collectTypesToSignatures, compilationUnit, Define_Annotation_lookupAnnotation, Define_ArrayList_exceptionRanges, Define_ASTNode_enclosingBlock, Define_BodyDecl_enclosingBodyDecl, Define_boolean_enclosedByExceptionHandler, Define_boolean_handlesException, Define_boolean_hasPackage, Define_boolean_inExplicitConstructorInvocation, Define_boolean_inExtendsOrImplements, Define_boolean_inhModifiedInScope, Define_boolean_insideLoop, Define_boolean_insideSwitch, Define_boolean_inStaticContext, Define_boolean_isAnonymous, Define_boolean_isAnonymousDecl, Define_boolean_isCatchParam, Define_boolean_isConstructorParameter, Define_boolean_isDAbefore, Define_boolean_isDest, Define_boolean_isDUbefore, Define_boolean_isExceptionHandlerParameter, Define_boolean_isExplicitGenericConstructorAccess, Define_boolean_isIncOrDec, Define_boolean_isLocalClass, Define_boolean_isMemberType, Define_boolean_isMethodParameter, 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_reachable, Define_boolean_reachableCatchClause, Define_boolean_reportUnreachable, Define_boolean_resourcePreviouslyDeclared, Define_boolean_variableArityValid, Define_boolean_withinDeprecatedAnnotation, Define_boolean_withinSuppressWarnings, Define_Case_bind, Define_CatchClause_catchClause, Define_ClassInstanceExpr_getClassInstanceExpr, Define_Collection_lookupConstructor, Define_Collection_lookupMethod, Define_Collection_lookupSuperConstructor, Define_Collection_TypeDecl__caughtExceptions, Define_CompilationUnit_compilationUnit, Define_ConstructorDecl_constructorDecl, Define_ConstructorDecl_unknownConstructor, Define_ElementValue_lookupElementTypeValue, Define_Expr_nestedScope, Define_GLBType_lookupGLBType, Define_int_localNum, Define_LabeledStmt_lookupLabel, Define_LUBType_lookupLUBType, Define_MethodDecl_unknownMethod, Define_NameType_nameType, Define_SimpleSet_allImportedTypes, Define_SimpleSet_lookupType, Define_SimpleSet_lookupVariable, Define_soot_jimple_Stmt_condition_false_label, Define_soot_jimple_Stmt_condition_true_label, Define_String_hostPackage, Define_String_methodHost, Define_String_packageName, Define_String_typeDeclIndent, Define_TypeDecl_assignConvertedType, Define_TypeDecl_componentType, Define_TypeDecl_declType, Define_TypeDecl_enclosingAnnotationDecl, Define_TypeDecl_enclosingInstance, Define_TypeDecl_enclosingType, Define_TypeDecl_expectedType, Define_TypeDecl_genericDecl, Define_TypeDecl_hostType, Define_TypeDecl_lookupType, Define_TypeDecl_lookupWildcardExtends, Define_TypeDecl_lookupWildcardSuper, Define_TypeDecl_returnType, 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, Define_VariableScope_outerScope, definesLabel, definiteAssignment, dumpTree, dumpTree, dumpTreeNoRewrite, dumpTreeNoRewrite, duringAnnotations, duringAnonymousClasses, duringBoundNames, duringDU, duringEnums, duringGenericTypeVariables, duringImplicitConstructor, duringLiterals, duringNameResolution, duringSyntacticClassification, duringVariableDeclarationTransformation, emitConstant, end, endExceptionRange, error, errorPrefix, exceptionHandling, extractIndent, extractSingleType, flushCaches, getChild, getChildNoTransform, getIndexOfChild, getNumChild, getNumChildNoTransform, getParent, in$Circle, in$Circle, indent, insertChild, is$Final, is$Final, isDescendantTo, isStringAdd, iterator, jimplify1phase1, jimplify1phase2, jimplify2, jimplify2, lineNumber, location, nameCheck, newLabel, options, putSimpleSetElement, reachedException, removeChild, removeInstanceMethods, removeInstanceVariables, replace, setChild, setEnd, setLocation, setParent, setStart, sourceFile, start, state, toString, transformation, transformEnumConstructors, typeCheck, unassignedEverywhere, usesTypeVariable, 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 java.lang.Iterable
forEach, spliterator

- Field Detail
  - type_computed
```
protected boolean type_computed
```
  - type_value
```
protected TypeDecl type_value
```
- Constructor Detail
  - NullLiteral
```
public NullLiteral()
```
  - NullLiteral
```
public NullLiteral(String p0)
```
  - NullLiteral
```
public NullLiteral(Symbol p0)
```
- Method Detail
  - flushCache
```
public void flushCache()
```
    Overrides:
    
    flushCache in class Literal
  - flushCollectionCache
```
public void flushCollectionCache()
```
    Overrides:
    
    flushCollectionCache in class Literal
  - clone
```
public NullLiteral clone()
                  throws CloneNotSupportedException
```
    Overrides:
    
    clone in class Literal
    
    Throws:
    
    CloneNotSupportedException
  - copy
```
public NullLiteral copy()
```
    Overrides:
    
    copy in class ASTNode<ASTNode>
  - fullCopy
```
public NullLiteral 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
  - eval
```
public Value eval(Body b)
```
    Overrides:
    
    eval in class Expr
  - init$Children
```
public void init$Children()
```
    Initializes the child array to the correct size. Initializes List and Opt nta children.
    
    Overrides:
    
    init$Children in class Literal
  - numChildren
```
protected int numChildren()
```
    Overrides:
    
    numChildren in class Literal
  - mayHaveRewrite
```
public boolean mayHaveRewrite()
```
    Overrides:
    
    mayHaveRewrite in class Literal
  - setLITERAL
```
public void setLITERAL(String value)
```
    Replaces the lexeme LITERAL.
    
    Overrides:
    
    setLITERAL in class Literal
    
    Parameters:
    
    value - The new value for the lexeme LITERAL.
  - setLITERAL
```
public void setLITERAL(Symbol symbol)
```
    JastAdd-internal setter for lexeme LITERAL using the Beaver parser.
    
    Overrides:
    
    setLITERAL in class Literal
  - getLITERAL
```
public String getLITERAL()
```
    Retrieves the value for the lexeme LITERAL.
    
    Overrides:
    
    getLITERAL in class Literal
    
    Returns:
    
    The value for the lexeme LITERAL.
  - isConstant
```
public boolean isConstant()
```
    Overrides:
    
    isConstant in class Literal
  - type
```
public TypeDecl type()
```
    Specified by:
    
    type in class Expr
  - rewriteTo
```
public ASTNode rewriteTo()
```
    Overrides:
    
    rewriteTo in class Literal

Class NullLiteral

Field Summary

Fields inherited from class soot.JastAddJ.Literal

Fields inherited from class soot.JastAddJ.Expr

Fields inherited from class soot.JastAddJ.ASTNode

Fields inherited from class beaver.Symbol

Constructor Summary

Method Summary

Methods inherited from class soot.JastAddJ.Literal

Methods inherited from class soot.JastAddJ.Expr

Methods inherited from class soot.JastAddJ.ASTNode

Methods inherited from class beaver.Symbol

Methods inherited from class java.lang.Object

Methods inherited from interface java.lang.Iterable

Field Detail

type_computed

type_value

Constructor Detail

NullLiteral

NullLiteral

NullLiteral

Method Detail

flushCache

flushCollectionCache

clone

copy

fullCopy

eval

init$Children

numChildren

mayHaveRewrite

setLITERAL

setLITERAL

getLITERAL

isConstant

type

rewriteTo