Flags (jdk.compiler 1.8.132 API)

java.lang.Object
- com.sun.tools.javac.code.Flags

```
public class Flags
extends Object
```
Access flags and other modifiers for Java classes and members.
This is NOT part of any supported API. If you write code that depends on this, you do so at your own risk. This code and its internal interfaces are subject to change or deletion without notice.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class Flags.Flag

Nested Classes
Modifier and Type	Class and Description
`static class`	`Flags.Flag`

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`ABSTRACT`
`static int`	`ACC_BRIDGE`
`static int`	`ACC_SUPER`
`static int`	`ACC_VARARGS`
`static int`	`AccessFlags` Modifier masks.
`static int`	`ACYCLIC` Flag for class symbols to indicate it has been checked and found acyclic.
`static long`	`ACYCLIC_ANN` Flag for annotation type symbols to indicate it has been checked and found acyclic.
`static int`	`ANNOTATION` Flag that marks attribute interfaces, added in classfile v49.0.
`static long`	`AnnotationTypeElementMask`
`static int`	`ANONCONSTR` Flag for synthesized default constructors of anonymous classes.
`static long`	`AUXILIARY` Flag that marks class as auxiliary, ie a non-public class following the public class in a source file, that could block implicit compilation.
`static long`	`BAD_OVERRIDE` Flag that indicates that an override error has been detected by Check.
`static int`	`BLOCK` Flag is set for compiler-generated anonymous method symbols that `own' an initializer block.
`static long`	`BRIDGE` Flag that marks bridge methods.
`static long`	`CLASH` Flag that marks non-override equivalent methods with the same signature.
`static int`	`CLASS_SEEN` Flag is set for class symbols if a class file was found for this class.
`static int`	`ClassFlags` Modifier masks.
`static int`	`COMPOUND` Flag is set for compiler-generated compound classes representing multiple variable bounds
`static int`	`ConstructorFlags` Modifier masks.
`static long`	`DEFAULT` Flag that marks either a default method or an interface containing default methods.
`static int`	`DEPRECATED` Flag is set if symbol is deprecated.
`static long`	`EFFECTIVELY_FINAL` Flag that marks an 'effectively final' local variable.
`static int`	`ENUM` An enumeration type or an enumeration constant, added in classfile v49.0.
`static int`	`EXISTS` Flag is set for package symbols if a package has a member or directory and therefore exists.
`static long`	`ExtendedStandardFlags`
`static int`	`FINAL`
`static long`	`GENERATEDCONSTR` Flag that marks a generated default constructor.
`static int`	`HASINIT` Flag is set for a variable symbol if the variable's definition has an initializer part.
`static long`	`HYPOTHETICAL` Flag that marks a hypothetical method that need not really be generated in the binary, but is present in the symbol table to simplify checking for erasure clashes - also used for 292 poly sig methods.
`static int`	`INTERFACE`
`static int`	`InterfaceMethodFlags` Modifier masks.
`static long`	`InterfaceMethodMask`
`static int`	`InterfaceVarFlags` Modifier masks.
`static int`	`IPROXY` Flag is set for compiler-generated abstract methods that implement an interface method (Miranda methods).
`static long`	`LAMBDA_METHOD` Flag that marks a synthetic method body for a lambda expression
`static int`	`LocalClassFlags` Modifier masks.
`static long`	`LocalVarFlags`
`static int`	`LOCKED` Flag for class symbols is set and later re-set as a lock in Enter to detect cycles in the superclass/superinterface relations.
`static int`	`MANDATED` Added in SE8, represents constructs implicitly declared in source.
`static int`	`MemberClassFlags` Modifier masks.
`static int`	`MethodFlags` Modifier masks.
`static long`	`ModifierFlags`
`static int`	`NATIVE`
`static int`	`NOOUTERTHIS` Flag is set for nested classes that do not access instance members or `this' of an outer class and therefore don't need to be passed a this$n reference.
`static long`	`NOT_IN_PROFILE` Flag that marks that a symbol is not available in the current profile
`static long`	`OVERRIDE_BRIDGE` Flag that marks a special kind of bridge method (the ones that come from restricted supertype bounds).
`static long`	`PARAMETER` Flag that marks formal parameters.
`static long`	`POTENTIALLY_AMBIGUOUS` Flag that marks potentially ambiguous overloads
`static int`	`PRIVATE`
`static long`	`PROPRIETARY` Flag that marks an internal proprietary class.
`static int`	`PROTECTED`
`static int`	`PUBLIC`
`static long`	`SIGNATURE_POLYMORPHIC` Flag that indicates a signature polymorphic method (292).
`static int`	`SOURCE_SEEN` Flag is set for class symbols if a source file was found for this class.
`static int`	`StandardFlags`
`static int`	`STATIC`
`static int`	`STRICTFP`
`static int`	`SYNCHRONIZED`
`static int`	`SYNTHETIC`
`static long`	`THROWS` Flag that indicates that an inference variable is used in a 'throws' clause.
`static int`	`TRANSIENT`
`static int`	`UNATTRIBUTED` Flag for class symbols is set and later re-set to indicate that a class has been entered but has not yet been attributed.
`static long`	`UNION` Flag that marks a multi-catch parameter.
`static long`	`VARARGS` Flag that marks varargs methods.
`static int`	`VarFlags` Modifier masks.
`static int`	`VOLATILE`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static EnumSet<Flags.Flag>`	`asFlagSet(long flags)`
`static Set<Modifier>`	`asModifierSet(long flags)`
`static boolean`	`isConstant(Symbol.VarSymbol symbol)`
`static boolean`	`isEnum(Symbol symbol)`
`static boolean`	`isStatic(Symbol symbol)`
`static String`	`toString(long flags)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PUBLIC
```
public static final int PUBLIC
```
    See Also:
    
    Constant Field Values
  - PRIVATE
```
public static final int PRIVATE
```
    See Also:
    
    Constant Field Values
  - PROTECTED
```
public static final int PROTECTED
```
    See Also:
    
    Constant Field Values
  - STATIC
```
public static final int STATIC
```
    See Also:
    
    Constant Field Values
  - FINAL
```
public static final int FINAL
```
    See Also:
    
    Constant Field Values
  - SYNCHRONIZED
```
public static final int SYNCHRONIZED
```
    See Also:
    
    Constant Field Values
  - VOLATILE
```
public static final int VOLATILE
```
    See Also:
    
    Constant Field Values
  - TRANSIENT
```
public static final int TRANSIENT
```
    See Also:
    
    Constant Field Values
  - NATIVE
```
public static final int NATIVE
```
    See Also:
    
    Constant Field Values
  - INTERFACE
```
public static final int INTERFACE
```
    See Also:
    
    Constant Field Values
  - ABSTRACT
```
public static final int ABSTRACT
```
    See Also:
    
    Constant Field Values
  - STRICTFP
```
public static final int STRICTFP
```
    See Also:
    
    Constant Field Values
  - SYNTHETIC
```
public static final int SYNTHETIC
```
    See Also:
    
    Constant Field Values
  - ANNOTATION
```
public static final int ANNOTATION
```
    Flag that marks attribute interfaces, added in classfile v49.0.
    
    See Also:
    
    Constant Field Values
  - ENUM
```
public static final int ENUM
```
    An enumeration type or an enumeration constant, added in classfile v49.0.
    
    See Also:
    
    Constant Field Values
  - MANDATED
```
public static final int MANDATED
```
    Added in SE8, represents constructs implicitly declared in source.
    
    See Also:
    
    Constant Field Values
  - StandardFlags
```
public static final int StandardFlags
```
    See Also:
    
    Constant Field Values
  - ACC_SUPER
```
public static final int ACC_SUPER
```
    See Also:
    
    Constant Field Values
  - ACC_BRIDGE
```
public static final int ACC_BRIDGE
```
    See Also:
    
    Constant Field Values
  - ACC_VARARGS
```
public static final int ACC_VARARGS
```
    See Also:
    
    Constant Field Values
  - DEPRECATED
```
public static final int DEPRECATED
```
    Flag is set if symbol is deprecated.
    
    See Also:
    
    Constant Field Values
  - HASINIT
```
public static final int HASINIT
```
    Flag is set for a variable symbol if the variable's definition has an initializer part.
    
    See Also:
    
    Constant Field Values
  - BLOCK
```
public static final int BLOCK
```
    Flag is set for compiler-generated anonymous method symbols that `own' an initializer block.
    
    See Also:
    
    Constant Field Values
  - IPROXY
```
public static final int IPROXY
```
    Flag is set for compiler-generated abstract methods that implement an interface method (Miranda methods).
    
    See Also:
    
    Constant Field Values
  - NOOUTERTHIS
```
public static final int NOOUTERTHIS
```
    Flag is set for nested classes that do not access instance members or `this' of an outer class and therefore don't need to be passed a this$n reference. This value is currently set only for anonymous classes in superclass constructor calls and only for pre 1.4 targets. todo: use this value for optimizing away this$n parameters in other cases.
    
    See Also:
    
    Constant Field Values
  - EXISTS
```
public static final int EXISTS
```
    Flag is set for package symbols if a package has a member or directory and therefore exists.
    
    See Also:
    
    Constant Field Values
  - COMPOUND
```
public static final int COMPOUND
```
    Flag is set for compiler-generated compound classes representing multiple variable bounds
    
    See Also:
    
    Constant Field Values
  - CLASS_SEEN
```
public static final int CLASS_SEEN
```
    Flag is set for class symbols if a class file was found for this class.
    
    See Also:
    
    Constant Field Values
  - SOURCE_SEEN
```
public static final int SOURCE_SEEN
```
    Flag is set for class symbols if a source file was found for this class.
    
    See Also:
    
    Constant Field Values
  - LOCKED
```
public static final int LOCKED
```
    Flag for class symbols is set and later re-set as a lock in Enter to detect cycles in the superclass/superinterface relations. Similarly for constructor call cycle detection in Attr.
    
    See Also:
    
    Constant Field Values
  - UNATTRIBUTED
```
public static final int UNATTRIBUTED
```
    Flag for class symbols is set and later re-set to indicate that a class has been entered but has not yet been attributed.
    
    See Also:
    
    Constant Field Values
  - ANONCONSTR
```
public static final int ANONCONSTR
```
    Flag for synthesized default constructors of anonymous classes.
    
    See Also:
    
    Constant Field Values
  - ACYCLIC
```
public static final int ACYCLIC
```
    Flag for class symbols to indicate it has been checked and found acyclic.
    
    See Also:
    
    Constant Field Values
  - BRIDGE
```
public static final long BRIDGE
```
    Flag that marks bridge methods.
    
    See Also:
    
    Constant Field Values
  - PARAMETER
```
public static final long PARAMETER
```
    Flag that marks formal parameters.
    
    See Also:
    
    Constant Field Values
  - VARARGS
```
public static final long VARARGS
```
    Flag that marks varargs methods.
    
    See Also:
    
    Constant Field Values
  - ACYCLIC_ANN
```
public static final long ACYCLIC_ANN
```
    Flag for annotation type symbols to indicate it has been checked and found acyclic.
    
    See Also:
    
    Constant Field Values
  - GENERATEDCONSTR
```
public static final long GENERATEDCONSTR
```
    Flag that marks a generated default constructor.
    
    See Also:
    
    Constant Field Values
  - HYPOTHETICAL
```
public static final long HYPOTHETICAL
```
    Flag that marks a hypothetical method that need not really be generated in the binary, but is present in the symbol table to simplify checking for erasure clashes - also used for 292 poly sig methods.
    
    See Also:
    
    Constant Field Values
  - PROPRIETARY
```
public static final long PROPRIETARY
```
    Flag that marks an internal proprietary class.
    
    See Also:
    
    Constant Field Values
  - UNION
```
public static final long UNION
```
    Flag that marks a multi-catch parameter.
    
    See Also:
    
    Constant Field Values
  - OVERRIDE_BRIDGE
```
public static final long OVERRIDE_BRIDGE
```
    Flag that marks a special kind of bridge method (the ones that come from restricted supertype bounds).
    
    See Also:
    
    Constant Field Values
  - EFFECTIVELY_FINAL
```
public static final long EFFECTIVELY_FINAL
```
    Flag that marks an 'effectively final' local variable.
    
    See Also:
    
    Constant Field Values
  - CLASH
```
public static final long CLASH
```
    Flag that marks non-override equivalent methods with the same signature.
    
    See Also:
    
    Constant Field Values
  - DEFAULT
```
public static final long DEFAULT
```
    Flag that marks either a default method or an interface containing default methods.
    
    See Also:
    
    Constant Field Values
  - AUXILIARY
```
public static final long AUXILIARY
```
    Flag that marks class as auxiliary, ie a non-public class following the public class in a source file, that could block implicit compilation.
    
    See Also:
    
    Constant Field Values
  - NOT_IN_PROFILE
```
public static final long NOT_IN_PROFILE
```
    Flag that marks that a symbol is not available in the current profile
    
    See Also:
    
    Constant Field Values
  - BAD_OVERRIDE
```
public static final long BAD_OVERRIDE
```
    Flag that indicates that an override error has been detected by Check.
    
    See Also:
    
    Constant Field Values
  - SIGNATURE_POLYMORPHIC
```
public static final long SIGNATURE_POLYMORPHIC
```
    Flag that indicates a signature polymorphic method (292).
    
    See Also:
    
    Constant Field Values
  - THROWS
```
public static final long THROWS
```
    Flag that indicates that an inference variable is used in a 'throws' clause.
    
    See Also:
    
    Constant Field Values
  - POTENTIALLY_AMBIGUOUS
```
public static final long POTENTIALLY_AMBIGUOUS
```
    Flag that marks potentially ambiguous overloads
    
    See Also:
    
    Constant Field Values
  - LAMBDA_METHOD
```
public static final long LAMBDA_METHOD
```
    Flag that marks a synthetic method body for a lambda expression
    
    See Also:
    
    Constant Field Values
  - AccessFlags
```
public static final int AccessFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - LocalClassFlags
```
public static final int LocalClassFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - MemberClassFlags
```
public static final int MemberClassFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - ClassFlags
```
public static final int ClassFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - InterfaceVarFlags
```
public static final int InterfaceVarFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - VarFlags
```
public static final int VarFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - ConstructorFlags
```
public static final int ConstructorFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - InterfaceMethodFlags
```
public static final int InterfaceMethodFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - MethodFlags
```
public static final int MethodFlags
```
    Modifier masks.
    
    See Also:
    
    Constant Field Values
  - ExtendedStandardFlags
```
public static final long ExtendedStandardFlags
```
    See Also:
    
    Constant Field Values
  - ModifierFlags
```
public static final long ModifierFlags
```
    See Also:
    
    Constant Field Values
  - InterfaceMethodMask
```
public static final long InterfaceMethodMask
```
    See Also:
    
    Constant Field Values
  - AnnotationTypeElementMask
```
public static final long AnnotationTypeElementMask
```
    See Also:
    
    Constant Field Values
  - LocalVarFlags
```
public static final long LocalVarFlags
```
    See Also:
    
    Constant Field Values
- Method Detail
  - toString
```
public static String toString(long flags)
```
  - asFlagSet
```
public static EnumSet<Flags.Flag> asFlagSet(long flags)
```
  - asModifierSet
```
public static Set<Modifier> asModifierSet(long flags)
```
  - isStatic
```
public static boolean isStatic(Symbol symbol)
```
  - isEnum
```
public static boolean isEnum(Symbol symbol)
```
  - isConstant
```
public static boolean isConstant(Symbol.VarSymbol symbol)
```

Class Flags

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PUBLIC

PRIVATE

PROTECTED

STATIC

FINAL

SYNCHRONIZED

VOLATILE

TRANSIENT

NATIVE

INTERFACE

ABSTRACT

STRICTFP

SYNTHETIC

ANNOTATION

ENUM

MANDATED

StandardFlags

ACC_SUPER

ACC_BRIDGE

ACC_VARARGS

DEPRECATED

HASINIT

BLOCK

IPROXY

NOOUTERTHIS

EXISTS

COMPOUND

CLASS_SEEN

SOURCE_SEEN

LOCKED

UNATTRIBUTED

ANONCONSTR

ACYCLIC

BRIDGE

PARAMETER

VARARGS

ACYCLIC_ANN

GENERATEDCONSTR

HYPOTHETICAL

PROPRIETARY

UNION

OVERRIDE_BRIDGE

EFFECTIVELY_FINAL

CLASH

DEFAULT

AUXILIARY

NOT_IN_PROFILE

BAD_OVERRIDE

SIGNATURE_POLYMORPHIC

THROWS

POTENTIALLY_AMBIGUOUS

LAMBDA_METHOD

AccessFlags

LocalClassFlags

MemberClassFlags

ClassFlags

InterfaceVarFlags

VarFlags

ConstructorFlags

InterfaceMethodFlags

MethodFlags

ExtendedStandardFlags

ModifierFlags

InterfaceMethodMask

AnnotationTypeElementMask

LocalVarFlags

Method Detail

toString

asFlagSet

asModifierSet

isStatic

isEnum

isConstant