--- a/src/jdk.compiler/share/classes/com/sun/tools/javah/TypeSignature.java Fri Dec 15 11:23:50 2017 -0500
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,283 +0,0 @@
-/*
- * Copyright (c) 2002, 2014, 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.javah;
-
-import java.util.*;
-import javax.lang.model.element.Name;
-import javax.lang.model.element.TypeElement;
-import javax.lang.model.type.ArrayType;
-import javax.lang.model.type.DeclaredType;
-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.Elements;
-import javax.lang.model.util.SimpleTypeVisitor9;
-
-import com.sun.tools.javac.util.DefinedBy;
-import com.sun.tools.javac.util.DefinedBy.Api;
-
-/**
- * Returns internal type signature.
- *
- * <p><b>This is NOT part of any supported API.
- * 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></p>
- *
- * @author Sucheta Dambalkar
- */
-
-public class TypeSignature {
- static class SignatureException extends Exception {
- private static final long serialVersionUID = 1L;
- SignatureException(String reason) {
- super(reason);
- }
- }
-
- Elements elems;
-
- /* Signature Characters */
-
- private static final String SIG_VOID = "V";
- private static final String SIG_BOOLEAN = "Z";
- private static final String SIG_BYTE = "B";
- private static final String SIG_CHAR = "C";
- private static final String SIG_SHORT = "S";
- private static final String SIG_INT = "I";
- private static final String SIG_LONG = "J";
- private static final String SIG_FLOAT = "F";
- private static final String SIG_DOUBLE = "D";
- private static final String SIG_ARRAY = "[";
- private static final String SIG_CLASS = "L";
-
-
-
- public TypeSignature(Elements elems){
- this.elems = elems;
- }
-
- /*
- * Returns the type signature of a field according to JVM specs
- */
- public String getTypeSignature(String javasignature) throws SignatureException {
- return getParamJVMSignature(javasignature);
- }
-
- /*
- * Returns the type signature of a method according to JVM specs
- */
- public String getTypeSignature(String javasignature, TypeMirror returnType)
- throws SignatureException {
- String signature = null; //Java type signature.
- String typeSignature = null; //Internal type signature.
- List<String> params = new ArrayList<>(); //List of parameters.
- String paramsig = null; //Java parameter signature.
- String paramJVMSig = null; //Internal parameter signature.
- String returnSig = null; //Java return type signature.
- String returnJVMType = null; //Internal return type signature.
- int dimensions = 0; //Array dimension.
-
- int startIndex = -1;
- int endIndex = -1;
- StringTokenizer st = null;
- int i = 0;
-
- // Gets the actual java signature without parentheses.
- if (javasignature != null) {
- startIndex = javasignature.indexOf("(");
- endIndex = javasignature.indexOf(")");
- }
-
- if (((startIndex != -1) && (endIndex != -1))
- &&(startIndex+1 < javasignature.length())
- &&(endIndex < javasignature.length())) {
- signature = javasignature.substring(startIndex+1, endIndex);
- }
-
- // Separates parameters.
- if (signature != null) {
- if (signature.contains(",")) {
- st = new StringTokenizer(signature, ",");
- if (st != null) {
- while (st.hasMoreTokens()) {
- params.add(st.nextToken());
- }
- }
- } else {
- params.add(signature);
- }
- }
-
- /* JVM type signature. */
- typeSignature = "(";
-
- // Gets indivisual internal parameter signature.
- while (params.isEmpty() != true) {
- paramsig = params.remove(i).trim();
- paramJVMSig = getParamJVMSignature(paramsig);
- if (paramJVMSig != null) {
- typeSignature += paramJVMSig;
- }
- }
-
- typeSignature += ")";
-
- // Get internal return type signature.
-
- returnJVMType = "";
- if (returnType != null) {
- dimensions = dimensions(returnType);
- }
-
- //Gets array dimension of return type.
- while (dimensions-- > 0) {
- returnJVMType += "[";
- }
- if (returnType != null) {
- returnSig = qualifiedTypeName(returnType);
- returnJVMType += getComponentType(returnSig);
- } else {
- System.out.println("Invalid return type.");
- }
-
- typeSignature += returnJVMType;
-
- return typeSignature;
- }
-
- /*
- * Returns internal signature of a parameter.
- */
- private String getParamJVMSignature(String paramsig) throws SignatureException {
- String paramJVMSig = "";
- String componentType ="";
-
- if(paramsig != null){
-
- if(paramsig.contains("[]")) {
- // Gets array dimension.
- int endindex = paramsig.indexOf("[]");
- componentType = paramsig.substring(0, endindex);
- String dimensionString = paramsig.substring(endindex);
- if(dimensionString != null){
- while(dimensionString.contains("[]")){
- paramJVMSig += "[";
- int beginindex = dimensionString.indexOf("]") + 1;
- if(beginindex < dimensionString.length()){
- dimensionString = dimensionString.substring(beginindex);
- }else
- dimensionString = "";
- }
- }
- } else componentType = paramsig;
-
- paramJVMSig += getComponentType(componentType);
- }
- return paramJVMSig;
- }
-
- /*
- * Returns internal signature of a component.
- */
- private String getComponentType(String componentType) throws SignatureException {
-
- String JVMSig = "";
-
- if(componentType != null){
- switch (componentType) {
- case "void": JVMSig += SIG_VOID; break;
- case "boolean": JVMSig += SIG_BOOLEAN; break;
- case "byte": JVMSig += SIG_BYTE; break;
- case "char": JVMSig += SIG_CHAR; break;
- case "short": JVMSig += SIG_SHORT; break;
- case "int": JVMSig += SIG_INT; break;
- case "long": JVMSig += SIG_LONG; break;
- case "float": JVMSig += SIG_FLOAT; break;
- case "double": JVMSig += SIG_DOUBLE; break;
- default:
- if (!componentType.equals("")) {
- TypeElement classNameDoc = elems.getTypeElement(componentType);
-
- if (classNameDoc == null) {
- throw new SignatureException(componentType);
- }
- else {
- String classname = classNameDoc.getQualifiedName().toString();
- String newclassname = classname.replace('.', '/');
- JVMSig += "L";
- JVMSig += newclassname;
- JVMSig += ";";
- }
- }
- break;
- }
- }
- return JVMSig;
- }
-
- int dimensions(TypeMirror t) {
- if (t.getKind() != TypeKind.ARRAY)
- return 0;
- return 1 + dimensions(((ArrayType) t).getComponentType());
- }
-
-
- String qualifiedTypeName(TypeMirror type) {
- TypeVisitor<Name, Void> v = new SimpleTypeVisitor9<Name, Void>() {
- @Override @DefinedBy(Api.LANGUAGE_MODEL)
- public Name visitArray(ArrayType t, Void p) {
- return t.getComponentType().accept(this, p);
- }
-
- @Override @DefinedBy(Api.LANGUAGE_MODEL)
- public Name visitDeclared(DeclaredType t, Void p) {
- return ((TypeElement) t.asElement()).getQualifiedName();
- }
-
- @Override @DefinedBy(Api.LANGUAGE_MODEL)
- public Name visitPrimitive(PrimitiveType t, Void p) {
- return elems.getName(t.toString());
- }
-
- @Override @DefinedBy(Api.LANGUAGE_MODEL)
- public Name visitNoType(NoType t, Void p) {
- if (t.getKind() == TypeKind.VOID)
- return elems.getName("void");
- return defaultAction(t, p);
- }
-
- @Override @DefinedBy(Api.LANGUAGE_MODEL)
- public Name visitTypeVariable(TypeVariable t, Void p) {
- return t.getUpperBound().accept(this, p);
- }
- };
- return v.visit(type).toString();
- }
-}