Package jadx.core.dex.nodes

Class BlockNode

java.lang.Object
jadx.core.dex.attributes.AttrNode
jadx.core.dex.nodes.BlockNode
All Implemented Interfaces:
IAttributeNode, IBlock, IContainer, Comparable<BlockNode>
public final class BlockNode extends AttrNode implements IBlock, Comparable<BlockNode>

  • Field Details

    • cid

      private final int cid
      Const ID

    • pos

      private int pos
      Position in blocks list (easier to use BitSet)

    • startOffset

      private final int startOffset
      Offset in methods bytecode

    • instructions

      private final List<InsnNode> instructions

    • predecessors

      private List<BlockNode> predecessors

    • successors

      private List<BlockNode> successors

    • cleanSuccessors

      private List<BlockNode> cleanSuccessors

    • doms

      private BitSet doms
      All dominators, excluding self

    • postDoms

      private BitSet postDoms
      Post dominators, excluding self

    • domFrontier

      private BitSet domFrontier
      Dominance frontier

    • idom

      private BlockNode idom
      Immediate dominator

    • iPostDom

      private BlockNode iPostDom
      Immediate post dominator

    • dominatesOn

      private List<BlockNode> dominatesOn
      Blocks on which dominates this block

  • Constructor Details

    • BlockNode

      public BlockNode(int cid, int pos, int offset)

  • Method Details

    • getCId

      public int getCId()

    • setPos

      void setPos(int id)

    • getId

      @Deprecated public int getId()
      Deprecated.
      Deprecated. Use getPos().

    • getPos

      public int getPos()

    • getPredecessors

      public List<BlockNode> getPredecessors()

    • getSuccessors

      public List<BlockNode> getSuccessors()

    • getCleanSuccessors

      public List<BlockNode> getCleanSuccessors()

    • updateCleanSuccessors

      public void updateCleanSuccessors()

    • updateBlockPositions

      public static void updateBlockPositions(List<BlockNode> blocks)

    • lock

      public void lock()

    • cleanSuccessors

      private static List<BlockNode> cleanSuccessors(BlockNode block)
      Return all successor which are not exception handler or followed by loop back edge

    • getInstructions

      public List<InsnNode> getInstructions()
      Specified by:
      getInstructions in interface IBlock

    • getStartOffset

      public int getStartOffset()

    • isDominator

      public boolean isDominator(BlockNode block)
      Check if 'block' dominated on this node

    • getDoms

      public BitSet getDoms()
      Dominators of this node (exclude itself)

    • setDoms

      public void setDoms(BitSet doms)

    • getPostDoms

      public BitSet getPostDoms()

    • setPostDoms

      public void setPostDoms(BitSet postDoms)

    • getDomFrontier

      public BitSet getDomFrontier()

    • setDomFrontier

      public void setDomFrontier(BitSet domFrontier)

    • getIDom

      public BlockNode getIDom()
      Immediate dominator

    • setIDom

      public void setIDom(BlockNode idom)

    • getIPostDom

      public BlockNode getIPostDom()

    • setIPostDom

      public void setIPostDom(BlockNode iPostDom)

    • getDominatesOn

      public List<BlockNode> getDominatesOn()

    • addDominatesOn

      public void addDominatesOn(BlockNode block)

    • isSynthetic

      public boolean isSynthetic()

    • isReturnBlock

      public boolean isReturnBlock()

    • isMthExitBlock

      public boolean isMthExitBlock()

    • isEmpty

      public boolean isEmpty()

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object

    • compareTo

      public int compareTo(@NotNull @NotNull BlockNode o)
      Specified by:
      compareTo in interface Comparable<BlockNode>

    • baseString

      public String baseString()
      Description copied from interface: IContainer
      Unique id for use in 'toString()' method
      Specified by:
      baseString in interface IContainer

    • toString

      public String toString()
      Overrides:
      toString in class Object