Interface CharacterRange

All Superinterfaces:
ClassFileElementPREVIEW, CodeElementPREVIEW, PseudoInstructionPREVIEW
public sealed interface CharacterRange extends PseudoInstructionPREVIEW
CharacterRange is a preview API of the Java platform.
Programs can only use CharacterRange when preview features are enabled.
Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.
A pseudo-instruction which models a single entry in the CharacterRangeTableAttributePREVIEW. Delivered as a CodeElementPREVIEW during traversal of the elements of a CodeModelPREVIEW, according to the setting of the ClassFile.DebugElementsOptionPREVIEW option.
Since:
22

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    characterRangeEnd()
    Returns the encoded end of the character range region (exclusive).
    int
    characterRangeStart()
    Returns the encoded start of the character range region (inclusive).
    LabelPREVIEW
    endScope()
    Returns the end of the instruction range.
    int
    flags()
    A flags word, indicating the kind of range.
    static CharacterRangePREVIEW
    of(LabelPREVIEW startScope, LabelPREVIEW endScope, int characterRangeStart, int characterRangeEnd, int flags)
    Returns a character range pseudo-instruction.
    LabelPREVIEW
    startScope()
    Returns the start of the instruction range.

  • Method Details

    • startScope

      LabelPREVIEW startScope()
      Returns the start of the instruction range.
      Returns:
      the start of the instruction range

    • endScope

      LabelPREVIEW endScope()
      Returns the end of the instruction range.
      Returns:
      the end of the instruction range

    • characterRangeStart

      int characterRangeStart()
      Returns the encoded start of the character range region (inclusive). The value is constructed from the line_number/column_number pair as given by line_number << 10 + column_number, where the source file is viewed as an array of (possibly multi-byte) characters.
      Returns:
      the encoded start of the character range region (inclusive)

    • characterRangeEnd

      int characterRangeEnd()
      Returns the encoded end of the character range region (exclusive).. The value is constructed from the line_number/column_number pair as given by line_number << 10 + column_number, where the source file is viewed as an array of (possibly multi-byte) characters.
      Returns:
      the encoded end of the character range region (exclusive)

    • flags

      int flags()
      A flags word, indicating the kind of range. Multiple flag bits may be set. Valid flags include:
      Returns:
      the flags
      See Also:

    • of

      static CharacterRangePREVIEW of(LabelPREVIEW startScope, LabelPREVIEW endScope, int characterRangeStart, int characterRangeEnd, int flags)
      Returns a character range pseudo-instruction.
      Parameters:
      startScope - the start of the instruction range
      endScope - the end of the instruction range
      characterRangeStart - the encoded start of the character range region (inclusive)
      characterRangeEnd - the encoded end of the character range region (exclusive)
      flags - a flags word, indicating the kind of range
      Returns:
      a character range pseudo-instruction