Class BasicValue

java.lang.Object
org.objectweb.asm.tree.analysis.BasicValue
All Implemented Interfaces:
Value
public class BasicValue extends Object implements Value
A Value that is represented with its type in a seven types type system. This type system distinguishes the UNINITIALZED, INT, FLOAT, LONG, DOUBLE, REFERENCE and RETURNADDRESS types.
Author:
Eric Bruneton

  • Field Details

    • UNINITIALIZED_VALUE

      public static final BasicValue UNINITIALIZED_VALUE
      An uninitialized value.

    • INT_VALUE

      public static final BasicValue INT_VALUE
      A byte, boolean, char, short, or int value.

    • FLOAT_VALUE

      public static final BasicValue FLOAT_VALUE
      A float value.

    • LONG_VALUE

      public static final BasicValue LONG_VALUE
      A long value.

    • DOUBLE_VALUE

      public static final BasicValue DOUBLE_VALUE
      A double value.

    • REFERENCE_VALUE

      public static final BasicValue REFERENCE_VALUE
      An object or array reference value.

    • RETURNADDRESS_VALUE

      public static final BasicValue RETURNADDRESS_VALUE
      A return address value (produced by a jsr instruction).

  • Constructor Details

    • BasicValue

      public BasicValue(org.objectweb.asm.Type type)
      Constructs a new BasicValue of the given type.
      Parameters:
      type - the value type.

  • Method Details

    • getType

      public org.objectweb.asm.Type getType()
      Returns the Type of this value.
      Returns:
      the Type of this value.

    • getSize

      public int getSize()
      Description copied from interface: Value
      Returns the size of this value in 32 bits words. This size should be 1 for byte, boolean, char, short, int, float, object and array types, and 2 for long and double.
      Specified by:
      getSize in interface Value
      Returns:
      either 1 or 2.

    • isReference

      public boolean isReference()
      Returns whether this value corresponds to an object or array reference.
      Returns:
      whether this value corresponds to an object or array reference.

    • equals

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

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object