Package org.apache.bcel.generic

Class Type

    • Field Detail

      • VOID

        public static final BasicType VOID
        Predefined constants

      • BOOLEAN

        public static final BasicType BOOLEAN

      • DOUBLE

        public static final BasicType DOUBLE

      • STRINGBUFFER

        public static final ObjectType STRINGBUFFER

      • THROWABLE

        public static final ObjectType THROWABLE

      • NO_ARGS

        public static final Type[] NO_ARGS
        Empty array.

      • UNKNOWN

        public static final Type UNKNOWN

      • CONSUMED_CHARS

        private static final java.lang.ThreadLocal<java.lang.Integer> CONSUMED_CHARS

      • type

        @Deprecated
protected byte type
        Deprecated.
        (since 6.0) will be made private; do not access directly, use getter/setter

      • signature

        @Deprecated
protected java.lang.String signature
        Deprecated.
        (since 6.0) will be made private; do not access directly, use getter/setter

    • Constructor Detail

      • Type

        protected Type​(byte type,
               java.lang.String signature)

    • Method Detail

      • consumed

        static int consumed​(int coded)

      • encode

        static int encode​(int size,
                  int consumed)

      • getArgumentTypes

        public static Type[] getArgumentTypes​(java.lang.String signature)
        Convert arguments of a method (signature) to an array of Type objects.
        Parameters:
        signature - signature string such as (Ljava/lang/String;)V
        Returns:
        array of argument types

      • getArgumentTypesSize

        static int getArgumentTypesSize​(java.lang.String signature)

      • getMethodSignature

        public static java.lang.String getMethodSignature​(Type returnType,
                                                  Type[] argTypes)
        Convert type to Java method signature, e.g. int[] f(java.lang.String x) becomes (Ljava/lang/String;)[I
        Parameters:
        returnType - what the method returns
        argTypes - what are the argument types
        Returns:
        method signature for given type(s).

      • getReturnType

        public static Type getReturnType​(java.lang.String signature)
        Convert return value of a method (signature) to a Type object.
        Parameters:
        signature - signature string such as (Ljava/lang/String;)V
        Returns:
        return type

      • getReturnTypeSize

        static int getReturnTypeSize​(java.lang.String signature)

      • getSignature

        public static java.lang.String getSignature​(java.lang.reflect.Method meth)

      • getType

        public static Type getType​(java.lang.Class<?> cls)
        Convert runtime Class to BCEL Type object.
        Parameters:
        cls - Java class
        Returns:
        corresponding Type object

      • getType

        public static Type getType​(java.lang.String signature)
                    throws java.lang.StringIndexOutOfBoundsException
        Convert signature to a Type object.
        Parameters:
        signature - signature string such as Ljava/lang/String;
        Returns:
        type object
        Throws:
        java.lang.StringIndexOutOfBoundsException

      • getTypes

        public static Type[] getTypes​(java.lang.Class<?>[] classes)
        Convert runtime java.lang.Class[] to BCEL Type objects.
        Parameters:
        classes - an array of runtime class objects
        Returns:
        array of corresponding Type objects

      • getTypeSize

        static int getTypeSize​(java.lang.String signature)
                throws java.lang.StringIndexOutOfBoundsException
        Throws:
        java.lang.StringIndexOutOfBoundsException

      • internalTypeNameToSignature

        static java.lang.String internalTypeNameToSignature​(java.lang.String internalTypeName)

      • size

        static int size​(int coded)

      • unwrap

        private static int unwrap​(java.lang.ThreadLocal<java.lang.Integer> tl)

      • wrap

        private static void wrap​(java.lang.ThreadLocal<java.lang.Integer> tl,
                         int value)

      • equals

        public boolean equals​(java.lang.Object o)
        Overrides:
        equals in class java.lang.Object
        Returns:
        whether the Types are equal

      • getClassName

        public java.lang.String getClassName()

      • getSignature

        public java.lang.String getSignature()
        Returns:
        signature for given type.

      • getSize

        public int getSize()
        Returns:
        stack size of this type (2 for long and double, 0 for void, 1 otherwise)

      • getType

        public byte getType()
        Returns:
        type as defined in Constants

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object
        Returns:
        hash code of Type

      • normalizeForStackOrLocal

        public Type normalizeForStackOrLocal()
        boolean, short and char variable are considered as int in the stack or local variable area. Returns INT for BOOLEAN, SHORT or CHAR, otherwise returns the given type.
        Since:
        6.0

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object
        Returns:
        Type string, e.g. 'int[]'