author | darcy |
Thu, 17 Jul 2014 09:47:25 -0700 | |
changeset 25690 | b1dac768ab79 |
parent 22448 | a85fbad9d687 |
child 26098 | 32588700060b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.sjavac.comp; |
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|
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import java.util.Iterator; |
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import java.util.List; |
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import javax.lang.model.element.Modifier; |
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import javax.lang.model.element.ExecutableElement; |
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import javax.lang.model.element.TypeElement; |
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import javax.lang.model.element.VariableElement; |
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import javax.lang.model.type.TypeMirror; |
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import javax.lang.model.util.ElementScanner9; |
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|
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/** Utility class that constructs a textual representation |
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* of the public api of a class. |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If you write code that depends on this, you do so at your own |
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* risk. This code and its internal interfaces are subject to change |
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* or deletion without notice.</b></p> |
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*/ |
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public class PubapiVisitor extends ElementScanner9<Void, Void> { |
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StringBuffer sb; |
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// Important that it is 1! Part of protocol over wire, silly yes. |
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// Fix please. |
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int indent = 1; |
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public PubapiVisitor(StringBuffer sb) { |
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this.sb = sb; |
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} |
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|
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String depth(int l) { |
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return " ".substring(0, l); |
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} |
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@Override |
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public Void visitType(TypeElement e, Void p) { |
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if (e.getModifiers().contains(Modifier.PUBLIC) |
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|| e.getModifiers().contains(Modifier.PROTECTED)) |
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{ |
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sb.append(depth(indent) + "TYPE " + e.getQualifiedName() + "\n"); |
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indent += 2; |
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Void v = super.visitType(e, p); |
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indent -= 2; |
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return v; |
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} |
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return null; |
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} |
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@Override |
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public Void visitVariable(VariableElement e, Void p) { |
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if (e.getModifiers().contains(Modifier.PUBLIC) |
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|| e.getModifiers().contains(Modifier.PROTECTED)) { |
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sb.append(depth(indent)).append("VAR ") |
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.append(makeVariableString(e)).append("\n"); |
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} |
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// Safe to not recurse here, because the only thing |
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// to visit here is the constructor of a variable declaration. |
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// If it happens to contain an anonymous inner class (which it might) |
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// then this class is never visible outside of the package anyway, so |
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// we are allowed to ignore it here. |
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return null; |
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} |
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@Override |
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public Void visitExecutable(ExecutableElement e, Void p) { |
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if (e.getModifiers().contains(Modifier.PUBLIC) |
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|| e.getModifiers().contains(Modifier.PROTECTED)) { |
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sb.append(depth(indent)).append("METHOD ") |
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.append(makeMethodString(e)).append("\n"); |
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} |
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return null; |
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} |
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/** |
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* Creates a String representation of a method element with everything |
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* necessary to track all public aspects of it in an API. |
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* @param e Element to create String for. |
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* @return String representation of element. |
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*/ |
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protected String makeMethodString(ExecutableElement e) { |
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StringBuilder result = new StringBuilder(); |
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for (Modifier modifier : e.getModifiers()) { |
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result.append(modifier.toString()); |
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result.append(" "); |
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} |
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result.append(e.getReturnType().toString()); |
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result.append(" "); |
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result.append(e.toString()); |
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List<? extends TypeMirror> thrownTypes = e.getThrownTypes(); |
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if (!thrownTypes.isEmpty()) { |
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result.append(" throws "); |
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for (Iterator<? extends TypeMirror> iterator = thrownTypes |
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.iterator(); iterator.hasNext();) { |
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TypeMirror typeMirror = iterator.next(); |
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result.append(typeMirror.toString()); |
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if (iterator.hasNext()) { |
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result.append(", "); |
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} |
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} |
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} |
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return result.toString(); |
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} |
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/** |
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* Creates a String representation of a variable element with everything |
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* necessary to track all public aspects of it in an API. |
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* @param e Element to create String for. |
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* @return String representation of element. |
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*/ |
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protected String makeVariableString(VariableElement e) { |
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StringBuilder result = new StringBuilder(); |
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for (Modifier modifier : e.getModifiers()) { |
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result.append(modifier.toString()); |
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result.append(" "); |
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} |
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result.append(e.asType().toString()); |
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result.append(" "); |
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result.append(e.toString()); |
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Object value = e.getConstantValue(); |
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if (value != null) { |
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result.append(" = "); |
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if (e.asType().toString().equals("char")) { |
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int v = (int)value.toString().charAt(0); |
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result.append("'\\u"+Integer.toString(v,16)+"'"); |
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} else { |
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result.append(value.toString()); |
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} |
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} |
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return result.toString(); |
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} |
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} |