1.1 --- a/src/share/classes/com/sun/tools/javac/code/Type.java Thu Apr 28 08:46:06 2011 -0700
1.2 +++ b/src/share/classes/com/sun/tools/javac/code/Type.java Thu Apr 28 15:05:36 2011 -0700
1.3 @@ -25,6 +25,8 @@
1.4
1.5 package com.sun.tools.javac.code;
1.6
1.7 +import java.util.Collections;
1.8 +
1.9 import com.sun.tools.javac.util.*;
1.10 import com.sun.tools.javac.code.Symbol.*;
1.11
1.12 @@ -741,6 +743,38 @@
1.13 }
1.14 }
1.15
1.16 + // a clone of a ClassType that knows about the alternatives of a union type.
1.17 + public static class UnionClassType extends ClassType implements UnionType {
1.18 + final List<? extends Type> alternatives_field;
1.19 +
1.20 + public UnionClassType(ClassType ct, List<? extends Type> alternatives) {
1.21 + super(ct.outer_field, ct.typarams_field, ct.tsym);
1.22 + allparams_field = ct.allparams_field;
1.23 + supertype_field = ct.supertype_field;
1.24 + interfaces_field = ct.interfaces_field;
1.25 + all_interfaces_field = ct.interfaces_field;
1.26 + alternatives_field = alternatives;
1.27 + }
1.28 +
1.29 + public Type getLub() {
1.30 + return tsym.type;
1.31 + }
1.32 +
1.33 + public java.util.List<? extends TypeMirror> getAlternatives() {
1.34 + return Collections.unmodifiableList(alternatives_field);
1.35 + }
1.36 +
1.37 + @Override
1.38 + public TypeKind getKind() {
1.39 + return TypeKind.UNION;
1.40 + }
1.41 +
1.42 + @Override
1.43 + public <R, P> R accept(TypeVisitor<R, P> v, P p) {
1.44 + return v.visitUnion(this, p);
1.45 + }
1.46 + }
1.47 +
1.48 public static class ArrayType extends Type
1.49 implements javax.lang.model.type.ArrayType {
1.50
