Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Sun designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Sun in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

  * CA 95054 USA or visit www.sun.com if you need additional information or

  * have any questions.

  */

 package com.sun.tools.classfile;

 import java.util.List;

 /*

  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If

  *  you write code that depends on this, you do so at your own risk.

  *  This code and its internal interfaces are subject to change or

  *  deletion without notice.</b>

  */

 public class Type {

     protected Type() { }

     protected static void append(StringBuilder sb, String prefix, List<? extends Type> types, String suffix) {

         sb.append(prefix);

         String sep = "";

         for (Type t: types) {

             sb.append(sep);

             sb.append(t);

             sep = ", ";

         }

         sb.append(suffix);

     }

     protected static void appendIfNotEmpty(StringBuilder sb, String prefix, List<? extends Type> types, String suffix) {

         if (types != null && types.size() > 0)

             append(sb, prefix, types, suffix);

     }

     public static class SimpleType extends Type {

         public SimpleType(String name) {

             this.name = name;

         }

         @Override

         public String toString() {

             return name;

         }

         public final String name;

     }

     public static class ArrayType extends Type {

         public ArrayType(Type elemType) {

             this.elemType = elemType;

         }

         @Override

         public String toString() {

             return elemType + "[]";

         }

         public final Type elemType;

     }

     public static class MethodType extends Type {

         public MethodType(List<? extends Type> argTypes, Type resultType) {

             this(null, argTypes, resultType, null);

         }

         public MethodType(List<? extends Type> typeArgTypes,

                 List<? extends Type> argTypes,

                 Type returnType,

                 List<? extends Type> throwsTypes) {

             this.typeArgTypes = typeArgTypes;

             this.argTypes = argTypes;

             this.returnType = returnType;

             this.throwsTypes = throwsTypes;

         }

         @Override

         public String toString() {

             StringBuilder sb = new StringBuilder();

             appendIfNotEmpty(sb, "<", typeArgTypes, "> ");

             sb.append(returnType);

             append(sb, " (", argTypes, ")");

             appendIfNotEmpty(sb, " throws ", throwsTypes, "");

             return sb.toString();

         }

         public final List<? extends Type> typeArgTypes;

         public final List<? extends Type> argTypes;

         public final Type returnType;

         public final List<? extends Type> throwsTypes;

     }

     public static class ClassSigType extends Type {

         public ClassSigType(List<Type> typeArgTypes, Type superclassType, List<Type> superinterfaceTypes) {

             this.typeArgTypes = typeArgTypes;

             this.superclassType = superclassType;

             this.superinterfaceTypes = superinterfaceTypes;

         }

         @Override

         public String toString() {

             StringBuilder sb = new StringBuilder();

             appendIfNotEmpty(sb, "<", typeArgTypes, ">");

             if (superclassType != null) {

                 sb.append(" extends ");

                 sb.append(superclassType);

             }

             appendIfNotEmpty(sb, " implements ", superinterfaceTypes, "");

             return sb.toString();

         }

         public final List<Type> typeArgTypes;

         public final Type superclassType;

         public final List<Type> superinterfaceTypes;

     }

     public static class ClassType extends Type {

         public ClassType(String name, List<Type> typeArgs) {

             this.name = name;

             this.typeArgs = typeArgs;

         }

         @Override

         public String toString() {

             StringBuilder sb = new StringBuilder();

             sb.append(name);

             appendIfNotEmpty(sb, "<", typeArgs, ">");

             return sb.toString();

         }

         public final String name;

         public final List<Type> typeArgs;

     }

     public static class InnerClassType extends Type {

         public InnerClassType(Type outerType, Type innerType) {

             this.outerType = outerType;

             this.innerType = innerType;

         }

         @Override

         public String toString() {

             return outerType + "." + innerType;

         }

         public final Type outerType;

         public final Type innerType;

     }

     public static class TypeArgType extends Type {

         public TypeArgType(String name, Type classBound, List<Type> interfaceBounds) {

             this.name = name;

             this.classBound = classBound;

             this.interfaceBounds = interfaceBounds;

         }

         @Override

         public String toString() {

             StringBuilder sb = new StringBuilder();

             sb.append(name);

             String sep = " extends ";

             if (classBound != null) {

                 sb.append(sep);

                 sb.append(classBound);

                 sep = " & ";

             }

             if (interfaceBounds != null) {

                 for (Type bound: interfaceBounds) {

                     sb.append(sep);

                     sb.append(bound);

                     sep = " & ";

                 }

             }

             return sb.toString();

         }

         public final String name;

         public final Type classBound;

         public final List<Type> interfaceBounds;

     }

     public static class WildcardType extends Type {

         public WildcardType() {

             this(null, null);

         }

         public WildcardType(String kind, Type boundType) {

             this.kind = kind;

             this.boundType = boundType;

         }

         @Override

         public String toString() {

             if (kind == null)

                 return "?";

             else

                 return "? " + kind + " " + boundType;

         }

         public final String kind;

         public final Type boundType;

     }

 }