Package org.eclipse.jdt.core.util

Interface IStackMapFrame

public interface IStackMapFrame
Description of a stack map frame as specified in the JVM specifications. This interface may be implemented by clients.
Since:
3.2

  • Method Details

    • getFrameType

      int getFrameType()
      Answer back the frame type for this entry.
      Type Range
      SAME 0-63
      SAME_LOCALS_1_STACK_ITEM 64-127
      SAME_LOCALS_1_STACK_ITEM_EXTENDED 247
      CHOP 248-250
      SAME_FRAME_EXTENDED 251
      APPEND 252-254
      FULL_FRAME 255
      Returns:
      the frame type for this entry

    • getOffsetDelta

      int getOffsetDelta()
      Answer back the offset delta.

      This is not defined only for the frame types SAME and SAME_LOCALS_1_STACK_ITEM.

      Returns:
      the offset delta

    • getNumberOfLocals

      int getNumberOfLocals()
      Answer back the number of locals.

      This is defined only for the frame type FULL_FRAME.

      Returns:
      the number of locals

    • getLocals

      IVerificationTypeInfo[] getLocals()
      Answer back verification infos for the defined locals.

      This is defined only for frame types APPEND and FULL_FRAME.

      Returns:
      verification infos for the defined locals

    • getNumberOfStackItems

      int getNumberOfStackItems()
      Answer back the number of stack items

      This is defined only for the frame types SAME_LOCALS_1_STACK_ITEM, SAME_LOCALS_1_STACK_ITEM_EXTENDED and FULL_FRAME. For SAME_LOCALS_1_STACK_ITEM and SAME_LOCALS_1_STACK_ITEM_EXTENDED, the answer is implicitely 1.

      Returns:
      the number of stack items

    • getStackItems

      IVerificationTypeInfo[] getStackItems()
      Answer back the verification infos for the stack items.
      Returns:
      the verification infos for the stack items