Class ClassData

java.lang.Object
org.openjdk.asmtools.jasm.MemberData<JasmEnvironment>
org.openjdk.asmtools.jasm.ClassData
class ClassData extends MemberData<JasmEnvironment>
ClassData

This is the main data structure for representing parsed class data. This structure renders directly to a class file.

  • Field Details

  • Constructor Details

    • ClassData

      public ClassData(JasmEnvironment environment, CFVersion cfv)
      Parameters:
      environment - The error reporting environment.
      cfv - Class file version

  • Method Details

    • init

      public final void init(int access, ConstCell<?> this_class, ConstCell<?> super_class, ArrayList<Indexer> interfaces)
      Initializes the ClassData.
      Parameters:
      this_class - The constant pool reference to this class
      super_class - The constant pool reference to the super class
      interfaces - A list of interfaces that this class implements

    • initAsPackageInfo

      public final void initAsPackageInfo(int access, String className)

    • initAsModule

      public final void initAsModule()

    • isInterface

      public final boolean isInterface()
      Predicate that describes if this class has an access flag indicating that it is an interface.
      Returns:
      True, if the class access flag indicates it is an interface.

    • isValue

      public final boolean isValue()

    • isAbstract

      public final boolean isAbstract()
      Predicate that describes if this class has an abstract flag indicating that it is the abstract class.
      Returns:
      True, if the class access flag indicates it is the abstract class.

    • relinkBootstrapMethods

      protected void relinkBootstrapMethods()

    • getFirstIndex

      private <T extends Collection<BootstrapMethodData>> int getFirstIndex(T collection, BootstrapMethodData bsmData)
      Finds first BSM data element by value in a collection

    • uniquifyBootstrapMethods

      private void uniquifyBootstrapMethods()
      Relinks BSM data (BootstrapMethod Attribute) and Constant Pool Constant_InvokeDynamic|Constant_Dynamic entries if at least one CP cell has undefined method attribute index also the method removes duplicates in BootstrapMethod Attribute if found

    • setSourceFileAttr

      public AttrData setSourceFileAttr(ConstCell value_cpx)

    • setSourceDebugExtensionAttr

      public SourceDebugExtensionAttr setSourceDebugExtensionAttr()

    • setRecord

      public RecordData setRecord(long where)

    • rejectRecord

      public void rejectRecord()
      Rejects a record: removes the record attribute if there are no components

    • makeFieldRef

      public ConstantPool.ConstValue_FieldRef makeFieldRef(ConstCell name, ConstCell descriptor)

    • addFieldIfAbsent

      public FieldData addFieldIfAbsent(int access, ConstCell name, ConstCell descriptor)

    • getField

      private FieldData getField(ConstantPool.ConstValue_FieldRef nameAndType)

    • addField

      public FieldData addField(int access, ConstantPool.ConstValue_FieldRef fieldRef)

    • addField

      public FieldData addField(int access, ConstCell name, ConstCell sig)

    • StartMethod

      public MethodData StartMethod(int access, ConstCell name, ConstCell sig, ArrayList exc_table)

    • EndMethod

      public void EndMethod()

    • LocalMethodRef

      public ConstCell LocalMethodRef(ConstValue nape)

    • LocalMethodRef

      public ConstCell LocalMethodRef(ConstCell name, ConstCell sig)

    • addLocVarData

      void addLocVarData(int opc, Indexer arg)

    • addInnerClass

      public void addInnerClass(int access, ConstCell name, ConstCell innerClass, ConstCell outerClass)

    • addBootstrapMethod

      public void addBootstrapMethod(BootstrapMethodData bsmData)

    • addNestHost

      public void addNestHost(ConstCell hostClass)

    • addNestMembers

      public void addNestMembers(List<ConstCell> classes)

    • addPermittedSubclasses

      public void addPermittedSubclasses(List<ConstCell> classes)

    • addLoadableDescriptors

      public void addLoadableDescriptors(List<ConstCell> utf8List)

    • addEnclosingMethod

      public void addEnclosingMethod(ConstCell classCell, ConstCell methodRefCell)

    • endClass

      public void endClass()

    • endPackageInfo

      public void endPackageInfo()

    • endModule

      public void endModule(ModuleAttr moduleAttr)

    • itemizeAttributes

      private <A extends AttrData> void itemizeAttributes(A... attributeList)
      Scans all attributes that 1. only have cpIndex != 0 and undefined values, types if they are found the method sets their values and types. It applies to DataVectorAttr 2. only have values and undefined cpIndex if they are found the method finds the identical values in CP and assigns their cpIndexes instead of undefined indexes. It works for DataVectorAttrinvalid input: '<'?>
      Parameters:
      attributeList - list of attribute's list

    • printInnerClasses

      private void printInnerClasses()

    • write

      public void write(CheckedDataOutputStream out) throws IOException
      Throws:
      IOException

    • getAttrVector

      protected DataVector getAttrVector()
      Specified by:
      getAttrVector in class MemberData<JasmEnvironment>

    • populateAttributesList

      private <T extends DataWriter> DataVector populateAttributesList(T... attributes)

    • write

      public void write(ToolOutput toolOutput) throws IOException
      Writes to the directory passed with -d/-w options
      Throws:
      IOException

    • setByteLimit

      public void setByteLimit(int bytelimit)

    • checkExistence

      protected boolean checkExistence(EAttribute attribute)
      Description copied from class: MemberData
      Checks for the existence of an attribute belonging to the MemberData.
      Overrides:
      checkExistence in class MemberData<JasmEnvironment>
      Parameters:
      attribute - the attribute to check for existence
      Returns:
      true if the attribute exists

    • checkExistence

      protected ClassData checkExistence(EAttribute attribute, long position)