1 /* 2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.tools.javadoc; 27 28 import javax.tools.JavaFileObject; 29 30 import com.sun.source.util.TreePath; 31 import com.sun.tools.javac.code.Symbol.*; 32 import com.sun.tools.javac.comp.Enter; 33 import com.sun.tools.javac.tree.JCTree.*; 34 import com.sun.tools.javac.util.Context; 35 import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; 36 import com.sun.tools.javac.util.List; 37 38 import static com.sun.tools.javac.code.Kinds.Kind.*; 39 40 /** 41 * Javadoc's own enter phase does a few things above and beyond that 42 * done by javac. 43 * 44 * <p><b>This is NOT part of any supported API. 45 * If you write code that depends on this, you do so at your own risk. 46 * This code and its internal interfaces are subject to change or 47 * deletion without notice.</b> 48 * 49 * @author Neal Gafter 50 */ 51 public class JavadocEnter extends Enter { 52 public static JavadocEnter instance(Context context) { 53 Enter instance = context.get(enterKey); 54 if (instance == null) 55 instance = new JavadocEnter(context); 56 return (JavadocEnter)instance; 57 } 58 59 public static void preRegister(Context context) { 60 context.put(enterKey, new Context.Factory<Enter>() { 61 public Enter make(Context c) { 62 return new JavadocEnter(c); 63 } 64 }); 65 } 66 67 protected JavadocEnter(Context context) { 68 super(context); 69 messager = Messager.instance0(context); 70 docenv = DocEnv.instance(context); 71 } 72 73 final Messager messager; 74 final DocEnv docenv; 75 76 @Override 77 public void main(List<JCCompilationUnit> trees) { 78 // count all Enter errors as warnings. 79 int nerrors = messager.nerrors; 80 super.main(trees); 81 messager.nwarnings += (messager.nerrors - nerrors); 82 messager.nerrors = nerrors; 83 } 84 85 @Override 86 public void visitTopLevel(JCCompilationUnit tree) { 87 super.visitTopLevel(tree); 88 if (tree.sourcefile.isNameCompatible("package-info", JavaFileObject.Kind.SOURCE)) { 89 JCPackageDecl pd = tree.getPackage(); 90 TreePath tp = pd == null ? docenv.getTreePath(tree) : docenv.getTreePath(tree, pd); 91 docenv.makePackageDoc(tree.packge, tp); 92 } 93 } 94 95 @Override 96 public void visitClassDef(JCClassDecl tree) { 97 super.visitClassDef(tree); 98 if (tree.sym == null) return; 99 if (tree.sym.kind == TYP || tree.sym.kind == ERR) { 100 ClassSymbol c = tree.sym; 101 docenv.makeClassDoc(c, docenv.getTreePath(env.toplevel, tree)); 102 } 103 } 104 105 /** Don't complain about a duplicate class. */ 106 @Override 107 protected void duplicateClass(DiagnosticPosition pos, ClassSymbol c) {} 108 109 }