| /* |
| * Copyright (c) 2014, 2015, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.sjavac.pubapi; |
| |
| import java.io.Serializable; |
| |
| import javax.lang.model.type.ArrayType; |
| import javax.lang.model.type.DeclaredType; |
| import javax.lang.model.type.ErrorType; |
| import javax.lang.model.type.NoType; |
| import javax.lang.model.type.PrimitiveType; |
| import javax.lang.model.type.TypeKind; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.type.TypeVariable; |
| import javax.lang.model.type.TypeVisitor; |
| import javax.lang.model.util.SimpleTypeVisitor9; |
| |
| import com.sun.tools.javac.code.Type.ClassType; |
| import com.sun.tools.javac.util.DefinedBy; |
| import com.sun.tools.javac.util.DefinedBy.Api; |
| import com.sun.tools.javac.util.StringUtils; |
| |
| public abstract class TypeDesc implements Serializable { |
| |
| private static final long serialVersionUID = -8201634143915519172L; |
| |
| TypeKind typeKind; |
| |
| public TypeDesc(TypeKind typeKind) { |
| this.typeKind = typeKind; |
| } |
| |
| public static TypeDesc decodeString(String s) { |
| s = s.trim(); |
| if (s.endsWith("[]")) { |
| String componentPart = s.substring(0, s.length()-2); |
| return new ArrayTypeDesc(decodeString(componentPart)); |
| } |
| |
| if (s.startsWith("#")) |
| return new TypeVarTypeDesc(s.substring(1)); |
| |
| if (s.matches("boolean|byte|char|double|float|int|long|short|void")) { |
| TypeKind tk = TypeKind.valueOf(StringUtils.toUpperCase(s)); |
| return new PrimitiveTypeDesc(tk); |
| } |
| |
| return new ReferenceTypeDesc(s); |
| } |
| |
| public static String encodeAsString(TypeDesc td) { |
| if (td.typeKind.isPrimitive() || td.typeKind == TypeKind.VOID) |
| return StringUtils.toLowerCase(td.typeKind.toString()); |
| |
| if (td.typeKind == TypeKind.ARRAY) |
| return encodeAsString(((ArrayTypeDesc) td).compTypeDesc) + "[]"; |
| |
| if (td.typeKind == TypeKind.TYPEVAR) |
| return "#" + ((TypeVarTypeDesc) td).identifier; |
| |
| if (td.typeKind == TypeKind.DECLARED) |
| return ((ReferenceTypeDesc) td).javaType.toString(); |
| |
| throw new AssertionError("Unhandled type: " + td.typeKind); |
| } |
| |
| public static TypeDesc fromType(TypeMirror type) { |
| TypeVisitor<TypeDesc, Void> v = new SimpleTypeVisitor9<TypeDesc, Void>() { |
| @Override @DefinedBy(Api.LANGUAGE_MODEL) |
| public TypeDesc visitArray(ArrayType t, Void p) { |
| return new ArrayTypeDesc(t.getComponentType().accept(this, p)); |
| } |
| |
| @Override @DefinedBy(Api.LANGUAGE_MODEL) |
| public TypeDesc visitDeclared(DeclaredType t, Void p) { |
| return new ReferenceTypeDesc(((ClassType) t).tsym.flatName().toString()); |
| } |
| |
| @Override @DefinedBy(Api.LANGUAGE_MODEL) |
| public TypeDesc visitNoType(NoType t, Void p) { |
| return new PrimitiveTypeDesc(TypeKind.VOID); |
| } |
| |
| @Override @DefinedBy(Api.LANGUAGE_MODEL) |
| public TypeDesc visitTypeVariable(TypeVariable t, Void p) { |
| return new TypeVarTypeDesc(t.toString()); |
| } |
| |
| @Override @DefinedBy(Api.LANGUAGE_MODEL) |
| public TypeDesc visitPrimitive(PrimitiveType t, Void p) { |
| return new PrimitiveTypeDesc(t.getKind()); |
| } |
| |
| @Override @DefinedBy(Api.LANGUAGE_MODEL) |
| public TypeDesc visitError(ErrorType t, Void p) { |
| return new ReferenceTypeDesc("<error type>"); |
| } |
| }; |
| |
| TypeDesc td = v.visit(type); |
| if (td == null) |
| throw new AssertionError("Unhandled type mirror: " + type + " (" + type.getClass() + ")"); |
| return td; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (getClass() != obj.getClass()) |
| return false; |
| return typeKind.equals(((TypeDesc) obj).typeKind); |
| } |
| |
| @Override |
| public int hashCode() { |
| return typeKind.hashCode(); |
| } |
| } |