程序包 cn.taketoday.bytecode

类 FieldWriter

java.lang.Object
cn.taketoday.bytecode.FieldVisitor
cn.taketoday.bytecode.FieldWriter
final class FieldWriter extends FieldVisitor
A FieldVisitor that generates a corresponding 'field_info' structure, as defined in the Java Virtual Machine Specification (JVMS).
作者:
Eric Bruneton
另请参阅:

  • 字段详细资料

    • symbolTable

      private final SymbolTable symbolTable
      Where the constants used in this FieldWriter must be stored.

    • accessFlags

      private final int accessFlags
      The access_flags field of the field_info JVMS structure. This field can contain ASM specific access flags, such as Opcodes.ACC_DEPRECATED, which are removed when generating the ClassFile structure.

    • nameIndex

      private final int nameIndex
      The name_index field of the field_info JVMS structure.

    • descriptorIndex

      private final int descriptorIndex
      The descriptor_index field of the field_info JVMS structure.

    • signatureIndex

      private int signatureIndex
      The signature_index field of the Signature attribute of this field_info, or 0 if there is no Signature attribute.

    • constantValueIndex

      private int constantValueIndex
      The constantvalue_index field of the ConstantValue attribute of this field_info, or 0 if there is no ConstantValue attribute.

    • lastRuntimeVisibleAnnotation

      private AnnotationWriter lastRuntimeVisibleAnnotation
      The last runtime visible annotation of this field. The previous ones can be accessed with the AnnotationWriter.previousAnnotation field. May be null.

    • lastRuntimeInvisibleAnnotation

      private AnnotationWriter lastRuntimeInvisibleAnnotation
      The last runtime invisible annotation of this field. The previous ones can be accessed with the AnnotationWriter.previousAnnotation field. May be null.

    • lastRuntimeVisibleTypeAnnotation

      private AnnotationWriter lastRuntimeVisibleTypeAnnotation
      The last runtime visible type annotation of this field. The previous ones can be accessed with the AnnotationWriter.previousAnnotation field. May be null.

    • lastRuntimeInvisibleTypeAnnotation

      private AnnotationWriter lastRuntimeInvisibleTypeAnnotation
      The last runtime invisible type annotation of this field. The previous ones can be accessed with the AnnotationWriter.previousAnnotation field. May be null.

    • firstAttribute

      private Attribute firstAttribute
      The first non standard attribute of this field. The next ones can be accessed with the Attribute.nextAttribute field. May be null.

      WARNING: this list stores the attributes in the reverse order of their visit. firstAttribute is actually the last attribute visited in visitAttribute(cn.taketoday.bytecode.Attribute). The putFieldInfo(cn.taketoday.bytecode.ByteVector) method writes the attributes in the order defined by this list, i.e. in the reverse order specified by the user.

  • 构造器详细资料

    • FieldWriter

      FieldWriter(SymbolTable symbolTable, int access, String name, String descriptor, String signature, Object constantValue)
      Constructs a new FieldWriter.
      参数:
      symbolTable - where the constants used in this FieldWriter must be stored.
      access - the field's access flags (see Opcodes).
      name - the field's name.
      descriptor - the field's descriptor (see Type).
      signature - the field's signature. May be null.
      constantValue - the field's constant value. May be null.

  • 方法详细资料

    • visitAnnotation

      public AnnotationVisitor visitAnnotation(String descriptor, boolean visible)
      从类复制的说明: FieldVisitor
      Visits an annotation of the field.
      覆盖:
      visitAnnotation 在类中 FieldVisitor
      参数:
      descriptor - the class descriptor of the annotation class.
      visible - true if the annotation is visible at runtime.
      返回:
      a visitor to visit the annotation values, or null if this visitor is not interested in visiting this annotation.

    • visitTypeAnnotation

      public AnnotationVisitor visitTypeAnnotation(int typeRef, TypePath typePath, String descriptor, boolean visible)
      从类复制的说明: FieldVisitor
      Visits an annotation on the type of the field.
      覆盖:
      visitTypeAnnotation 在类中 FieldVisitor
      参数:
      typeRef - a reference to the annotated type. The sort of this type reference must be TypeReference.FIELD. See TypeReference.
      typePath - the path to the annotated type argument, wildcard bound, array element type, or static inner type within 'typeRef'. May be null if the annotation targets 'typeRef' as a whole.
      descriptor - the class descriptor of the annotation class.
      visible - true if the annotation is visible at runtime.
      返回:
      a visitor to visit the annotation values, or null if this visitor is not interested in visiting this annotation.

    • visitAttribute

      public void visitAttribute(Attribute attribute)
      从类复制的说明: FieldVisitor
      Visits a non standard attribute of the field.
      覆盖:
      visitAttribute 在类中 FieldVisitor
      参数:
      attribute - an attribute.

    • visitEnd

      public void visitEnd()
      从类复制的说明: FieldVisitor
      Visits the end of the field. This method, which is the last one to be called, is used to inform the visitor that all the annotations and attributes of the field have been visited.
      覆盖:
      visitEnd 在类中 FieldVisitor

    • computeFieldInfoSize

      int computeFieldInfoSize()
      Returns the size of the field_info JVMS structure generated by this FieldWriter. Also adds the names of the attributes of this field in the constant pool.
      返回:
      the size in bytes of the field_info JVMS structure.

    • putFieldInfo

      void putFieldInfo(ByteVector output)
      Puts the content of the field_info JVMS structure generated by this FieldWriter into the given ByteVector.
      参数:
      output - where the field_info structure must be put.

    • collectAttributePrototypes

      final void collectAttributePrototypes(Attribute.Set attributePrototypes)
      Collects the attributes of this field into the given set of attribute prototypes.
      参数:
      attributePrototypes - a set of attribute prototypes.