java.lang.Object
org.gjt.sp.jedit.bsh.org.objectweb.asm.Type

public class Type extends Object
A Java type. This class can be used to make it easier to manipulate type and method descriptors.
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    The sort of array reference types.
    static final int
    The sort of the boolean type.
    static final Type
    The boolean type.
    static final int
    The sort of the byte type.
    static final Type
    The byte type.
    static final int
    The sort of the char type.
    static final Type
    The char type.
    static final int
    The sort of the double type.
    static final Type
    The double type.
    static final int
    The sort of the float type.
    static final Type
    The float type.
    static final int
    The sort of the int type.
    static final Type
    The int type.
    static final int
    The sort of the long type.
    static final Type
    The long type.
    static final int
    The sort of object reference type.
    static final int
    The sort of the short type.
    static final Type
    The short type.
    static final int
    The sort of the void type.
    static final Type
    The void type.
  • Method Summary

    Modifier and Type
    Method
    Description
    static Type[]
    Returns the Java types corresponding to the argument types of the given method.
    static Type[]
    getArgumentTypes(String methodDescriptor)
    Returns the Java types corresponding to the argument types of the given method descriptor.
    Returns the name of the class corresponding to this object type.
    Returns the descriptor corresponding to this Java type.
    static String
    Returns the descriptor corresponding to the given Java type.
    int
    Returns the number of dimensions of this array type.
    Returns the type of the elements of this array type.
    Returns the internal name of the class corresponding to this object type.
    static String
    Returns the internal name of the given class.
    static String
    Returns the descriptor corresponding to the given method.
    static String
    getMethodDescriptor(Type returnType, Type[] argumentTypes)
    Returns the descriptor corresponding to the given argument and return types.
    int
    getOpcode(int opcode)
    Returns a JVM instruction opcode adapted to this Java type.
    static Type
    Returns the Java type corresponding to the return type of the given method.
    static Type
    getReturnType(String methodDescriptor)
    Returns the Java type corresponding to the return type of the given method descriptor.
    int
    Returns the size of values of this type.
    int
    Returns the sort of this Java type.
    static Type
    Returns the Java type corresponding to the given class.
    static Type
    getType(String typeDescriptor)
    Returns the Java type corresponding to the given type descriptor.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Field Details

    • VOID

      public static final int VOID
      The sort of the void type. See getSort.
      See Also:
    • BOOLEAN

      public static final int BOOLEAN
      The sort of the boolean type. See getSort.
      See Also:
    • CHAR

      public static final int CHAR
      The sort of the char type. See getSort.
      See Also:
    • BYTE

      public static final int BYTE
      The sort of the byte type. See getSort.
      See Also:
    • SHORT

      public static final int SHORT
      The sort of the short type. See getSort.
      See Also:
    • INT

      public static final int INT
      The sort of the int type. See getSort.
      See Also:
    • FLOAT

      public static final int FLOAT
      The sort of the float type. See getSort.
      See Also:
    • LONG

      public static final int LONG
      The sort of the long type. See getSort.
      See Also:
    • DOUBLE

      public static final int DOUBLE
      The sort of the double type. See getSort.
      See Also:
    • ARRAY

      public static final int ARRAY
      The sort of array reference types. See getSort.
      See Also:
    • OBJECT

      public static final int OBJECT
      The sort of object reference type. See getSort.
      See Also:
    • VOID_TYPE

      public static final Type VOID_TYPE
      The void type.
    • BOOLEAN_TYPE

      public static final Type BOOLEAN_TYPE
      The boolean type.
    • CHAR_TYPE

      public static final Type CHAR_TYPE
      The char type.
    • BYTE_TYPE

      public static final Type BYTE_TYPE
      The byte type.
    • SHORT_TYPE

      public static final Type SHORT_TYPE
      The short type.
    • INT_TYPE

      public static final Type INT_TYPE
      The int type.
    • FLOAT_TYPE

      public static final Type FLOAT_TYPE
      The float type.
    • LONG_TYPE

      public static final Type LONG_TYPE
      The long type.
    • DOUBLE_TYPE

      public static final Type DOUBLE_TYPE
      The double type.
  • Method Details

    • getType

      public static Type getType(String typeDescriptor)
      Returns the Java type corresponding to the given type descriptor.
      Parameters:
      typeDescriptor - a type descriptor.
      Returns:
      the Java type corresponding to the given type descriptor.
    • getType

      public static Type getType(Class c)
      Returns the Java type corresponding to the given class.
      Parameters:
      c - a class.
      Returns:
      the Java type corresponding to the given class.
    • getArgumentTypes

      public static Type[] getArgumentTypes(String methodDescriptor)
      Returns the Java types corresponding to the argument types of the given method descriptor.
      Parameters:
      methodDescriptor - a method descriptor.
      Returns:
      the Java types corresponding to the argument types of the given method descriptor.
    • getArgumentTypes

      public static Type[] getArgumentTypes(Method method)
      Returns the Java types corresponding to the argument types of the given method.
      Parameters:
      method - a method.
      Returns:
      the Java types corresponding to the argument types of the given method.
    • getReturnType

      public static Type getReturnType(String methodDescriptor)
      Returns the Java type corresponding to the return type of the given method descriptor.
      Parameters:
      methodDescriptor - a method descriptor.
      Returns:
      the Java type corresponding to the return type of the given method descriptor.
    • getReturnType

      public static Type getReturnType(Method method)
      Returns the Java type corresponding to the return type of the given method.
      Parameters:
      method - a method.
      Returns:
      the Java type corresponding to the return type of the given method.
    • getSort

      public int getSort()
      Returns the sort of this Java type.
      Returns:
      VOID, BOOLEAN, CHAR, BYTE, SHORT, INT, FLOAT, LONG, DOUBLE, ARRAY or OBJECT.
    • getDimensions

      public int getDimensions()
      Returns the number of dimensions of this array type. This method should only be used for an array type.
      Returns:
      the number of dimensions of this array type.
    • getElementType

      public Type getElementType()
      Returns the type of the elements of this array type. This method should only be used for an array type.
      Returns:
      Returns the type of the elements of this array type.
    • getClassName

      public String getClassName()
      Returns the name of the class corresponding to this object type. This method should only be used for an object type.
      Returns:
      the fully qualified name of the class corresponding to this object type.
    • getInternalName

      public String getInternalName()
      Returns the internal name of the class corresponding to this object type. The internal name of a class is its fully qualified name, where '.' are replaced by '/'. * This method should only be used for an object type.
      Returns:
      the internal name of the class corresponding to this object type.
    • getDescriptor

      public String getDescriptor()
      Returns the descriptor corresponding to this Java type.
      Returns:
      the descriptor corresponding to this Java type.
    • getMethodDescriptor

      public static String getMethodDescriptor(Type returnType, Type[] argumentTypes)
      Returns the descriptor corresponding to the given argument and return types.
      Parameters:
      returnType - the return type of the method.
      argumentTypes - the argument types of the method.
      Returns:
      the descriptor corresponding to the given argument and return types.
    • getInternalName

      public static String getInternalName(Class c)
      Returns the internal name of the given class. The internal name of a class is its fully qualified name, where '.' are replaced by '/'.
      Parameters:
      c - an object class.
      Returns:
      the internal name of the given class.
    • getDescriptor

      public static String getDescriptor(Class c)
      Returns the descriptor corresponding to the given Java type.
      Parameters:
      c - an object class, a primitive class or an array class.
      Returns:
      the descriptor corresponding to the given class.
    • getMethodDescriptor

      public static String getMethodDescriptor(Method m)
      Returns the descriptor corresponding to the given method.
      Parameters:
      m - a Method object.
      Returns:
      the descriptor of the given method.
    • getSize

      public int getSize()
      Returns the size of values of this type.
      Returns:
      the size of values of this type, i.e., 2 for long and double, and 1 otherwise.
    • getOpcode

      public int getOpcode(int opcode)
      Returns a JVM instruction opcode adapted to this Java type.
      Parameters:
      opcode - a JVM instruction opcode. This opcode must be one of ILOAD, ISTORE, IALOAD, IASTORE, IADD, ISUB, IMUL, IDIV, IREM, INEG, ISHL, ISHR, IUSHR, IAND, IOR, IXOR and IRETURN.
      Returns:
      an opcode that is similar to the given opcode, but adapted to this Java type. For example, if this type is float and opcode is IRETURN, this method returns FRETURN.