Package javassist.bytecode

Class ExceptionTable

java.lang.Object
javassist.bytecode.ExceptionTable
All Implemented Interfaces:
Cloneable
public class ExceptionTable extends Object implements Cloneable
exception_table[] of Code_attribute.

  • Constructor Summary

    Constructors
    Constructor
    Description
    ExceptionTable(ConstPool cp)
    Constructs an exception_table[].

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    add(int start, int end, int handler, int type)
    Appends a new entry at the end of the table.
    void
    add(int index, int start, int end, int handler, int type)
    Adds a new entry at the specified position in the table.
    void
    add(int index, ExceptionTable table, int offset)
    Copies the given exception table at the specified position in the table.
    int
    catchType(int nth)
    Returns catchType of the n-th entry.
    Object
    clone()
    Creates and returns a copy of this object.
    ExceptionTable
    copy(ConstPool newCp, Map<String,String> classnames)
    Makes a copy of this exception_table[].
    int
    endPc(int nth)
    Returns endPc of the n-th entry.
    int
    handlerPc(int nth)
    Returns handlerPc of the n-th entry.
    void
    remove(int index)
    Removes the entry at the specified position in the table.
    void
    setCatchType(int nth, int value)
    Sets catchType of the n-th entry.
    void
    setEndPc(int nth, int value)
    Sets endPc of the n-th entry.
    void
    setHandlerPc(int nth, int value)
    Sets handlerPc of the n-th entry.
    void
    setStartPc(int nth, int value)
    Sets startPc of the n-th entry.
    int
    size()
    Returns exception_table_length, which is the number of entries in the exception_table[].
    int
    startPc(int nth)
    Returns startPc of the n-th entry.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • ExceptionTable

      public ExceptionTable(ConstPool cp)
      Constructs an exception_table[].
      Parameters:
      cp - constant pool table.

  • Method Details

    • clone

      public Object clone() throws CloneNotSupportedException
      Creates and returns a copy of this object. The constant pool object is shared between this object and the cloned object.
      Throws:
      CloneNotSupportedException

    • size

      public int size()
      Returns exception_table_length, which is the number of entries in the exception_table[].

    • startPc

      public int startPc(int nth)
      Returns startPc of the n-th entry.
      Parameters:
      nth - the n-th (>= 0).

    • setStartPc

      public void setStartPc(int nth, int value)
      Sets startPc of the n-th entry.
      Parameters:
      nth - the n-th (>= 0).
      value - new value.

    • endPc

      public int endPc(int nth)
      Returns endPc of the n-th entry.
      Parameters:
      nth - the n-th (>= 0).

    • setEndPc

      public void setEndPc(int nth, int value)
      Sets endPc of the n-th entry.
      Parameters:
      nth - the n-th (>= 0).
      value - new value.

    • handlerPc

      public int handlerPc(int nth)
      Returns handlerPc of the n-th entry.
      Parameters:
      nth - the n-th (>= 0).

    • setHandlerPc

      public void setHandlerPc(int nth, int value)
      Sets handlerPc of the n-th entry.
      Parameters:
      nth - the n-th (>= 0).
      value - new value.

    • catchType

      public int catchType(int nth)
      Returns catchType of the n-th entry.
      Parameters:
      nth - the n-th (>= 0).
      Returns:
      an index into the constant_pool table, or zero if this exception handler is for all exceptions.

    • setCatchType

      public void setCatchType(int nth, int value)
      Sets catchType of the n-th entry.
      Parameters:
      nth - the n-th (>= 0).
      value - new value.

    • add

      public void add(int index, ExceptionTable table, int offset)
      Copies the given exception table at the specified position in the table.
      Parameters:
      index - index (>= 0) at which the entry is to be inserted.
      offset - the offset added to the code position.

    • add

      public void add(int index, int start, int end, int handler, int type)
      Adds a new entry at the specified position in the table.
      Parameters:
      index - index (>= 0) at which the entry is to be inserted.
      start - startPc
      end - endPc
      handler - handlerPc
      type - catchType

    • add

      public void add(int start, int end, int handler, int type)
      Appends a new entry at the end of the table.
      Parameters:
      start - startPc
      end - endPc
      handler - handlerPc
      type - catchType

    • remove

      public void remove(int index)
      Removes the entry at the specified position in the table.
      Parameters:
      index - the index of the removed entry.

    • copy

      public ExceptionTable copy(ConstPool newCp, Map<String,String> classnames)
      Makes a copy of this exception_table[]. Class names are replaced according to the given Map object.
      Parameters:
      newCp - the constant pool table used by the new copy.
      classnames - pairs of replaced and substituted class names.