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Eclipse JDT
Release 3.5

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 Summary
 int getFrameType ()
          Answer back the frame type for this entry.
  IVerificationTypeInfo[] getLocals ()
          Answer back verification infos for the defined locals.
 int getNumberOfLocals ()
          Answer back the number of locals.
 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.
 int getOffsetDelta ()
          Answer back the offset delta.
  IVerificationTypeInfo[] getStackItems ()
          Answer back the verification infos for the stack items.
 

Method Detail

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

Eclipse JDT
Release 3.5

Copyright (c) IBM Corp. and others 2000, 2008. All Rights Reserved.

 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire