Mon, 28 Jul 2008 10:22:10 +0100
6720185: DiagnosticFormatter refactoring
Summary: Brand new hierarchy of diagnostic formatters for achieving better reusability
Reviewed-by: jjg
duke@1 | 1 | /* |
duke@1 | 2 | * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. Sun designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
duke@1 | 9 | * by Sun in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
duke@1 | 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@1 | 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@1 | 23 | * have any questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javac.api; |
duke@1 | 27 | |
duke@1 | 28 | import java.io.IOException; |
duke@1 | 29 | import java.lang.ref.SoftReference; |
duke@1 | 30 | import java.util.Iterator; |
duke@1 | 31 | |
duke@1 | 32 | import javax.lang.model.element.Element; |
duke@1 | 33 | import javax.lang.model.element.ExecutableElement; |
duke@1 | 34 | import javax.lang.model.element.TypeElement; |
duke@1 | 35 | import javax.tools.JavaFileObject; |
duke@1 | 36 | |
duke@1 | 37 | import com.sun.source.tree.Tree; |
duke@1 | 38 | import com.sun.source.util.SourcePositions; |
duke@1 | 39 | import com.sun.source.util.TreePath; |
duke@1 | 40 | import com.sun.source.util.Trees; |
duke@1 | 41 | import com.sun.tools.javac.code.Scope; |
duke@1 | 42 | import com.sun.tools.javac.code.Symbol.ClassSymbol; |
duke@1 | 43 | import com.sun.tools.javac.comp.Attr; |
duke@1 | 44 | import com.sun.tools.javac.comp.AttrContext; |
duke@1 | 45 | import com.sun.tools.javac.comp.Enter; |
duke@1 | 46 | import com.sun.tools.javac.comp.Env; |
duke@1 | 47 | import com.sun.tools.javac.comp.MemberEnter; |
duke@1 | 48 | import com.sun.tools.javac.comp.Resolve; |
duke@1 | 49 | import com.sun.tools.javac.tree.JCTree.JCClassDecl; |
duke@1 | 50 | import com.sun.tools.javac.tree.JCTree.JCCompilationUnit; |
duke@1 | 51 | import com.sun.tools.javac.tree.JCTree.JCExpression; |
duke@1 | 52 | import com.sun.tools.javac.tree.JCTree.JCMethodDecl; |
duke@1 | 53 | import com.sun.tools.javac.tree.JCTree.JCVariableDecl; |
duke@1 | 54 | import com.sun.tools.javac.tree.JCTree; |
duke@1 | 55 | import com.sun.tools.javac.tree.TreeCopier; |
duke@1 | 56 | import com.sun.tools.javac.tree.TreeInfo; |
duke@1 | 57 | import com.sun.tools.javac.tree.TreeMaker; |
duke@1 | 58 | import com.sun.tools.javac.util.Context; |
duke@1 | 59 | import com.sun.tools.javac.util.List; |
duke@1 | 60 | import com.sun.tools.javac.util.Log; |
duke@1 | 61 | |
duke@1 | 62 | import static com.sun.source.tree.Tree.Kind.*; |
duke@1 | 63 | |
duke@1 | 64 | |
duke@1 | 65 | /** |
duke@1 | 66 | * Provides an implementation of Scope. |
duke@1 | 67 | * |
duke@1 | 68 | * <p><b>This is NOT part of any API supported by Sun Microsystems. |
duke@1 | 69 | * If you write code that depends on this, you do so at your own |
duke@1 | 70 | * risk. This code and its internal interfaces are subject to change |
duke@1 | 71 | * or deletion without notice.</b></p> |
duke@1 | 72 | * |
duke@1 | 73 | * @author Jonathan Gibbons; |
duke@1 | 74 | */ |
duke@1 | 75 | public class JavacScope implements com.sun.source.tree.Scope { |
duke@1 | 76 | protected final Env<AttrContext> env; |
duke@1 | 77 | |
duke@1 | 78 | /** Creates a new instance of JavacScope */ |
duke@1 | 79 | JavacScope(Env<AttrContext> env) { |
duke@1 | 80 | env.getClass(); // null-check |
duke@1 | 81 | this.env = env; |
duke@1 | 82 | } |
duke@1 | 83 | |
duke@1 | 84 | public JavacScope getEnclosingScope() { |
duke@1 | 85 | if (env.outer != null && env.outer != env) |
duke@1 | 86 | return new JavacScope(env.outer); |
duke@1 | 87 | else { |
duke@1 | 88 | // synthesize an outermost "star-import" scope |
duke@1 | 89 | return new JavacScope(env) { |
duke@1 | 90 | public boolean isStarImportScope() { |
duke@1 | 91 | return true; |
duke@1 | 92 | } |
duke@1 | 93 | public JavacScope getEnclosingScope() { |
duke@1 | 94 | return null; |
duke@1 | 95 | } |
duke@1 | 96 | public Iterable<? extends Element> getLocalElements() { |
duke@1 | 97 | return env.toplevel.starImportScope.getElements(); |
duke@1 | 98 | } |
duke@1 | 99 | }; |
duke@1 | 100 | } |
duke@1 | 101 | } |
duke@1 | 102 | |
duke@1 | 103 | public TypeElement getEnclosingClass() { |
duke@1 | 104 | // hide the dummy class that javac uses to enclose the top level declarations |
duke@1 | 105 | return (env.outer == null || env.outer == env ? null : env.enclClass.sym); |
duke@1 | 106 | } |
duke@1 | 107 | |
duke@1 | 108 | public ExecutableElement getEnclosingMethod() { |
duke@1 | 109 | return (env.enclMethod == null ? null : env.enclMethod.sym); |
duke@1 | 110 | } |
duke@1 | 111 | |
duke@1 | 112 | public Iterable<? extends Element> getLocalElements() { |
duke@1 | 113 | return env.info.getLocalElements(); |
duke@1 | 114 | } |
duke@1 | 115 | |
duke@1 | 116 | public Env<AttrContext> getEnv() { |
duke@1 | 117 | return env; |
duke@1 | 118 | } |
duke@1 | 119 | |
duke@1 | 120 | public boolean isStarImportScope() { |
duke@1 | 121 | return false; |
duke@1 | 122 | } |
duke@1 | 123 | |
duke@1 | 124 | public boolean equals(Object other) { |
duke@1 | 125 | if (other instanceof JavacScope) { |
duke@1 | 126 | JavacScope s = (JavacScope) other; |
duke@1 | 127 | return (env.equals(s.env) |
duke@1 | 128 | && isStarImportScope() == s.isStarImportScope()); |
duke@1 | 129 | } else |
duke@1 | 130 | return false; |
duke@1 | 131 | } |
duke@1 | 132 | |
duke@1 | 133 | public int hashCode() { |
duke@1 | 134 | return env.hashCode() + (isStarImportScope() ? 1 : 0); |
duke@1 | 135 | } |
duke@1 | 136 | |
duke@1 | 137 | public String toString() { |
duke@1 | 138 | return "JavacScope[env=" + env + ",starImport=" + isStarImportScope() + "]"; |
duke@1 | 139 | } |
duke@1 | 140 | } |