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/*
* System.Reflection-like API for access to .NET assemblies (DLL & EXE)
*/
package ch.epfl.lamp.compiler.msil;
/**
* Defines the attributes that may be associated with a parameter.
*
* @author Nikolay Mihaylov
* @version 1.0
*/
public final class ParameterAttributes {
// just to make the class uninstantiable
private ParameterAttributes() {}
//##########################################################################
/** Specifies that there is no parameter attribute. */
public static final short None = 0x0000;
/** Specifies that the parameter is an input parameter. */
public static final short In = 0x0001;
/** Specifies that the parameter is an output parameter. */
public static final short Out = 0x0002;
/** Specifies that the parameter is a locale identifier. */
public static final short Lcid = 0x0004;
/** Specifies that the parameter is a return value. */
public static final short Retval = 0x0008;
/** Specifies that the parameter is optional.
* Attention: In the specification the value is 0x0004 but
* in mscorlib.dll that it Lcid and Optional is 0x0010
*/
public static final short Optional = 0x0010;
/** Specifies that the parameter has a default value. */
public static final short HasDefault = 0x1000;
/** Specifies that the parameter has field marshaling information. */
public static final short HasFieldMarshal = 0x2000;
/** Reserved. */
public static final short Reserved3 = 0x4000;
/** Reserved. */
public static final short Reserved4 = (short)0x8000;
/** Specifies that the parameter is reserved. */
public static final short ReservedMask = (short)0xf000;
/** Reserved: shall be zero in all conforming implementations. */
public static final short Unused = (short) 0xcfe0;
public static final String toString(int attrs) {
StringBuffer s = new StringBuffer();
if ((attrs & In) != 0) s.append("in ");
if ((attrs & Out) != 0) s.append("out ");
if ((attrs & Optional) != 0) s.append("opt ");
if ((attrs & HasDefault) != 0) s.append("default(???) ");
if ((attrs & HasFieldMarshal) != 0) s.append("marshal(???) ");
return s.toString();
}
//##########################################################################
} // class ParameterAttributes
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