Package javassist.bytecode

Class StackMap.Walker

java.lang.Object
javassist.bytecode.StackMap.Walker
Direct Known Subclasses:
StackMap.Copier, StackMap.Printer, StackMap.Shifter, StackMap.SimpleCopy, StackMap.SwitchShifter
Enclosing class:
StackMap
public static class StackMap.Walker extends Object
A code walker for a StackMap attribute.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    (package private) byte[]
    info
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    Walker(StackMap sm)
    Constructs a walker.

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    locals(int pos, int offset, int num)
    Invoked when locals of stack_map_frame is visited.
    void
    objectVariable(int pos, int clazz)
    Invoked when an element of type Object_variable_info is visited.
    int
    stack(int pos, int offset, int num)
    Invoked when stack of stack_map_frame is visited.
    void
    typeInfo(int pos, byte tag)
    Invoked when an element of verification_type_info (except Object_variable_info and Uninitialized_variable_info) is visited.
    int
    typeInfoArray(int pos, int offset, int num, boolean isLocals)
    Invoked when an array of verification_type_info is visited.
    (package private) int
    typeInfoArray2(int k, int pos)
     
    void
    uninitialized(int pos, int offset)
    Invoked when an element of type Uninitialized_variable_info is visited.
    void
    visit()
    Visits each entry of the stack map frames.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • info

      byte[] info

  • Constructor Details

    • Walker

      public Walker(StackMap sm)
      Constructs a walker.

  • Method Details

    • visit

      public void visit()
      Visits each entry of the stack map frames.

    • locals

      public int locals(int pos, int offset, int num)
      Invoked when locals of stack_map_frame is visited.

    • stack

      public int stack(int pos, int offset, int num)
      Invoked when stack of stack_map_frame is visited.

    • typeInfoArray

      public int typeInfoArray(int pos, int offset, int num, boolean isLocals)
      Invoked when an array of verification_type_info is visited.
      Parameters:
      num - the number of elements.
      isLocals - true if this array is for locals. false if it is for stack.

    • typeInfoArray2

      int typeInfoArray2(int k, int pos)

    • typeInfo

      public void typeInfo(int pos, byte tag)
      Invoked when an element of verification_type_info (except Object_variable_info and Uninitialized_variable_info) is visited.

    • objectVariable

      public void objectVariable(int pos, int clazz)
      Invoked when an element of type Object_variable_info is visited.

    • uninitialized

      public void uninitialized(int pos, int offset)
      Invoked when an element of type Uninitialized_variable_info is visited.