author | jjg |
Wed, 18 Jun 2008 07:23:25 -0700 | |
changeset 810 | e4b6a6d206e6 |
parent 731 | 1dd22bdb9ca5 |
child 815 | bcb5c0d7c1ab |
permissions | -rw-r--r-- |
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/* |
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* Copyright 1999-2006 Sun Microsystems, Inc. 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. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package com.sun.tools.javac.jvm; |
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import java.io.*; |
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import java.net.URI; |
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import java.nio.CharBuffer; |
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import java.util.EnumSet; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Set; |
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import javax.lang.model.SourceVersion; |
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import javax.tools.JavaFileObject; |
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import javax.tools.JavaFileManager; |
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import javax.tools.StandardJavaFileManager; |
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import com.sun.tools.javac.comp.Annotate; |
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import com.sun.tools.javac.code.*; |
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import com.sun.tools.javac.code.Type.*; |
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import com.sun.tools.javac.code.Symbol.*; |
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import com.sun.tools.javac.code.Symtab; |
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731
1dd22bdb9ca5
6714364: refactor javac File handling code into new javac.file package
jjg
parents:
169
diff
changeset
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import com.sun.tools.javac.file.BaseFileObject; |
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import com.sun.tools.javac.util.*; |
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import com.sun.tools.javac.util.List; |
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import static com.sun.tools.javac.code.Flags.*; |
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import static com.sun.tools.javac.code.Kinds.*; |
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import static com.sun.tools.javac.code.TypeTags.*; |
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import com.sun.tools.javac.jvm.ClassFile.NameAndType; |
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import javax.tools.JavaFileManager.Location; |
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import static javax.tools.StandardLocation.*; |
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/** This class provides operations to read a classfile into an internal |
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* representation. The internal representation is anchored in a |
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* ClassSymbol which contains in its scope symbol representations |
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* for all other definitions in the classfile. Top-level Classes themselves |
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* appear as members of the scopes of PackageSymbols. |
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* |
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* <p><b>This is NOT part of any API supported by Sun Microsystems. If |
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* you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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*/ |
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public class ClassReader extends ClassFile implements Completer { |
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/** The context key for the class reader. */ |
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protected static final Context.Key<ClassReader> classReaderKey = |
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new Context.Key<ClassReader>(); |
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Annotate annotate; |
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/** Switch: verbose output. |
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*/ |
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boolean verbose; |
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/** Switch: check class file for correct minor version, unrecognized |
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* attributes. |
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*/ |
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boolean checkClassFile; |
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/** Switch: read constant pool and code sections. This switch is initially |
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* set to false but can be turned on from outside. |
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*/ |
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public boolean readAllOfClassFile = false; |
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/** Switch: read GJ signature information. |
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*/ |
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boolean allowGenerics; |
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/** Switch: read varargs attribute. |
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*/ |
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boolean allowVarargs; |
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/** Switch: allow annotations. |
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*/ |
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boolean allowAnnotations; |
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/** Switch: preserve parameter names from the variable table. |
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*/ |
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public boolean saveParameterNames; |
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/** |
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* Switch: cache completion failures unless -XDdev is used |
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*/ |
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private boolean cacheCompletionFailure; |
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/** |
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* Switch: prefer source files instead of newer when both source |
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* and class are available |
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**/ |
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public boolean preferSource; |
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114 |
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/** The log to use for verbose output |
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*/ |
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final Log log; |
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/** The symbol table. */ |
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Symtab syms; |
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Types types; |
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/** The name table. */ |
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final Name.Table names; |
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/** Force a completion failure on this name |
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*/ |
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final Name completionFailureName; |
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/** Access to files |
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*/ |
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private final JavaFileManager fileManager; |
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169 | 135 |
/** Factory for diagnostics |
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*/ |
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JCDiagnostic.Factory diagFactory; |
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/** Can be reassigned from outside: |
140 |
* the completer to be used for ".java" files. If this remains unassigned |
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* ".java" files will not be loaded. |
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*/ |
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public SourceCompleter sourceCompleter = null; |
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/** A hashtable containing the encountered top-level and member classes, |
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* indexed by flat names. The table does not contain local classes. |
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*/ |
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private Map<Name,ClassSymbol> classes; |
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/** A hashtable containing the encountered packages. |
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*/ |
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private Map<Name, PackageSymbol> packages; |
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/** The current scope where type variables are entered. |
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*/ |
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protected Scope typevars; |
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/** The path name of the class file currently being read. |
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*/ |
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protected JavaFileObject currentClassFile = null; |
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/** The class or method currently being read. |
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*/ |
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protected Symbol currentOwner = null; |
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/** The buffer containing the currently read class file. |
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*/ |
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byte[] buf = new byte[0x0fff0]; |
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/** The current input pointer. |
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*/ |
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int bp; |
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/** The objects of the constant pool. |
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*/ |
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Object[] poolObj; |
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177 |
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/** For every constant pool entry, an index into buf where the |
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* defining section of the entry is found. |
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*/ |
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int[] poolIdx; |
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182 |
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183 |
/** Get the ClassReader instance for this invocation. */ |
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public static ClassReader instance(Context context) { |
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ClassReader instance = context.get(classReaderKey); |
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if (instance == null) |
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instance = new ClassReader(context, true); |
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return instance; |
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} |
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/** Initialize classes and packages, treating this as the definitive classreader. */ |
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public void init(Symtab syms) { |
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init(syms, true); |
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} |
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195 |
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/** Initialize classes and packages, optionally treating this as |
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* the definitive classreader. |
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*/ |
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private void init(Symtab syms, boolean definitive) { |
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if (classes != null) return; |
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201 |
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202 |
if (definitive) { |
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assert packages == null || packages == syms.packages; |
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packages = syms.packages; |
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assert classes == null || classes == syms.classes; |
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classes = syms.classes; |
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} else { |
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packages = new HashMap<Name, PackageSymbol>(); |
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classes = new HashMap<Name, ClassSymbol>(); |
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} |
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packages.put(names.empty, syms.rootPackage); |
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syms.rootPackage.completer = this; |
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syms.unnamedPackage.completer = this; |
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} |
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217 |
/** Construct a new class reader, optionally treated as the |
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* definitive classreader for this invocation. |
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*/ |
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protected ClassReader(Context context, boolean definitive) { |
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if (definitive) context.put(classReaderKey, this); |
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names = Name.Table.instance(context); |
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syms = Symtab.instance(context); |
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types = Types.instance(context); |
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fileManager = context.get(JavaFileManager.class); |
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if (fileManager == null) |
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throw new AssertionError("FileManager initialization error"); |
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diagFactory = JCDiagnostic.Factory.instance(context); |
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init(syms, definitive); |
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log = Log.instance(context); |
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Options options = Options.instance(context); |
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annotate = Annotate.instance(context); |
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verbose = options.get("-verbose") != null; |
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checkClassFile = options.get("-checkclassfile") != null; |
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Source source = Source.instance(context); |
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allowGenerics = source.allowGenerics(); |
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allowVarargs = source.allowVarargs(); |
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allowAnnotations = source.allowAnnotations(); |
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saveParameterNames = options.get("save-parameter-names") != null; |
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cacheCompletionFailure = options.get("dev") == null; |
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preferSource = "source".equals(options.get("-Xprefer")); |
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completionFailureName = |
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(options.get("failcomplete") != null) |
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? names.fromString(options.get("failcomplete")) |
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: null; |
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typevars = new Scope(syms.noSymbol); |
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} |
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/** Add member to class unless it is synthetic. |
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*/ |
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private void enterMember(ClassSymbol c, Symbol sym) { |
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if ((sym.flags_field & (SYNTHETIC|BRIDGE)) != SYNTHETIC) |
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c.members_field.enter(sym); |
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} |
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/************************************************************************ |
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* Error Diagnoses |
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263 |
***********************************************************************/ |
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||
169 | 265 |
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public class BadClassFile extends CompletionFailure { |
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10 | 267 |
private static final long serialVersionUID = 0; |
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169 | 269 |
public BadClassFile(TypeSymbol sym, JavaFileObject file, JCDiagnostic diag) { |
270 |
super(sym, createBadClassFileDiagnostic(file, diag)); |
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10 | 271 |
} |
272 |
} |
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169 | 273 |
// where |
274 |
private JCDiagnostic createBadClassFileDiagnostic(JavaFileObject file, JCDiagnostic diag) { |
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String key = (file.getKind() == JavaFileObject.Kind.SOURCE |
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? "bad.source.file.header" : "bad.class.file.header"); |
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return diagFactory.fragment(key, file, diag); |
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} |
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public BadClassFile badClassFile(String key, Object... args) { |
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return new BadClassFile ( |
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currentOwner.enclClass(), |
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currentClassFile, |
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diagFactory.fragment(key, args)); |
10 | 285 |
} |
286 |
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/************************************************************************ |
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* Buffer Access |
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***********************************************************************/ |
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290 |
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291 |
/** Read a character. |
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*/ |
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char nextChar() { |
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return (char)(((buf[bp++] & 0xFF) << 8) + (buf[bp++] & 0xFF)); |
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} |
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296 |
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297 |
/** Read an integer. |
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*/ |
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299 |
int nextInt() { |
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return |
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((buf[bp++] & 0xFF) << 24) + |
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((buf[bp++] & 0xFF) << 16) + |
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((buf[bp++] & 0xFF) << 8) + |
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(buf[bp++] & 0xFF); |
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} |
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306 |
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307 |
/** Extract a character at position bp from buf. |
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*/ |
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309 |
char getChar(int bp) { |
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310 |
return |
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311 |
(char)(((buf[bp] & 0xFF) << 8) + (buf[bp+1] & 0xFF)); |
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312 |
} |
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313 |
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314 |
/** Extract an integer at position bp from buf. |
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*/ |
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316 |
int getInt(int bp) { |
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317 |
return |
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318 |
((buf[bp] & 0xFF) << 24) + |
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((buf[bp+1] & 0xFF) << 16) + |
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320 |
((buf[bp+2] & 0xFF) << 8) + |
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(buf[bp+3] & 0xFF); |
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} |
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323 |
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324 |
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325 |
/** Extract a long integer at position bp from buf. |
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326 |
*/ |
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327 |
long getLong(int bp) { |
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328 |
DataInputStream bufin = |
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329 |
new DataInputStream(new ByteArrayInputStream(buf, bp, 8)); |
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330 |
try { |
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331 |
return bufin.readLong(); |
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332 |
} catch (IOException e) { |
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333 |
throw new AssertionError(e); |
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334 |
} |
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335 |
} |
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336 |
||
337 |
/** Extract a float at position bp from buf. |
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338 |
*/ |
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339 |
float getFloat(int bp) { |
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340 |
DataInputStream bufin = |
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341 |
new DataInputStream(new ByteArrayInputStream(buf, bp, 4)); |
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342 |
try { |
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343 |
return bufin.readFloat(); |
|
344 |
} catch (IOException e) { |
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345 |
throw new AssertionError(e); |
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346 |
} |
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347 |
} |
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348 |
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349 |
/** Extract a double at position bp from buf. |
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350 |
*/ |
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351 |
double getDouble(int bp) { |
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352 |
DataInputStream bufin = |
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353 |
new DataInputStream(new ByteArrayInputStream(buf, bp, 8)); |
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354 |
try { |
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355 |
return bufin.readDouble(); |
|
356 |
} catch (IOException e) { |
|
357 |
throw new AssertionError(e); |
|
358 |
} |
|
359 |
} |
|
360 |
||
361 |
/************************************************************************ |
|
362 |
* Constant Pool Access |
|
363 |
***********************************************************************/ |
|
364 |
||
365 |
/** Index all constant pool entries, writing their start addresses into |
|
366 |
* poolIdx. |
|
367 |
*/ |
|
368 |
void indexPool() { |
|
369 |
poolIdx = new int[nextChar()]; |
|
370 |
poolObj = new Object[poolIdx.length]; |
|
371 |
int i = 1; |
|
372 |
while (i < poolIdx.length) { |
|
373 |
poolIdx[i++] = bp; |
|
374 |
byte tag = buf[bp++]; |
|
375 |
switch (tag) { |
|
376 |
case CONSTANT_Utf8: case CONSTANT_Unicode: { |
|
377 |
int len = nextChar(); |
|
378 |
bp = bp + len; |
|
379 |
break; |
|
380 |
} |
|
381 |
case CONSTANT_Class: |
|
382 |
case CONSTANT_String: |
|
383 |
bp = bp + 2; |
|
384 |
break; |
|
385 |
case CONSTANT_Fieldref: |
|
386 |
case CONSTANT_Methodref: |
|
387 |
case CONSTANT_InterfaceMethodref: |
|
388 |
case CONSTANT_NameandType: |
|
389 |
case CONSTANT_Integer: |
|
390 |
case CONSTANT_Float: |
|
391 |
bp = bp + 4; |
|
392 |
break; |
|
393 |
case CONSTANT_Long: |
|
394 |
case CONSTANT_Double: |
|
395 |
bp = bp + 8; |
|
396 |
i++; |
|
397 |
break; |
|
398 |
default: |
|
399 |
throw badClassFile("bad.const.pool.tag.at", |
|
400 |
Byte.toString(tag), |
|
401 |
Integer.toString(bp -1)); |
|
402 |
} |
|
403 |
} |
|
404 |
} |
|
405 |
||
406 |
/** Read constant pool entry at start address i, use pool as a cache. |
|
407 |
*/ |
|
408 |
Object readPool(int i) { |
|
409 |
Object result = poolObj[i]; |
|
410 |
if (result != null) return result; |
|
411 |
||
412 |
int index = poolIdx[i]; |
|
413 |
if (index == 0) return null; |
|
414 |
||
415 |
byte tag = buf[index]; |
|
416 |
switch (tag) { |
|
417 |
case CONSTANT_Utf8: |
|
418 |
poolObj[i] = names.fromUtf(buf, index + 3, getChar(index + 1)); |
|
419 |
break; |
|
420 |
case CONSTANT_Unicode: |
|
421 |
throw badClassFile("unicode.str.not.supported"); |
|
422 |
case CONSTANT_Class: |
|
423 |
poolObj[i] = readClassOrType(getChar(index + 1)); |
|
424 |
break; |
|
425 |
case CONSTANT_String: |
|
426 |
// FIXME: (footprint) do not use toString here |
|
427 |
poolObj[i] = readName(getChar(index + 1)).toString(); |
|
428 |
break; |
|
429 |
case CONSTANT_Fieldref: { |
|
430 |
ClassSymbol owner = readClassSymbol(getChar(index + 1)); |
|
431 |
NameAndType nt = (NameAndType)readPool(getChar(index + 3)); |
|
432 |
poolObj[i] = new VarSymbol(0, nt.name, nt.type, owner); |
|
433 |
break; |
|
434 |
} |
|
435 |
case CONSTANT_Methodref: |
|
436 |
case CONSTANT_InterfaceMethodref: { |
|
437 |
ClassSymbol owner = readClassSymbol(getChar(index + 1)); |
|
438 |
NameAndType nt = (NameAndType)readPool(getChar(index + 3)); |
|
439 |
poolObj[i] = new MethodSymbol(0, nt.name, nt.type, owner); |
|
440 |
break; |
|
441 |
} |
|
442 |
case CONSTANT_NameandType: |
|
443 |
poolObj[i] = new NameAndType( |
|
444 |
readName(getChar(index + 1)), |
|
445 |
readType(getChar(index + 3))); |
|
446 |
break; |
|
447 |
case CONSTANT_Integer: |
|
448 |
poolObj[i] = getInt(index + 1); |
|
449 |
break; |
|
450 |
case CONSTANT_Float: |
|
451 |
poolObj[i] = new Float(getFloat(index + 1)); |
|
452 |
break; |
|
453 |
case CONSTANT_Long: |
|
454 |
poolObj[i] = new Long(getLong(index + 1)); |
|
455 |
break; |
|
456 |
case CONSTANT_Double: |
|
457 |
poolObj[i] = new Double(getDouble(index + 1)); |
|
458 |
break; |
|
459 |
default: |
|
460 |
throw badClassFile("bad.const.pool.tag", Byte.toString(tag)); |
|
461 |
} |
|
462 |
return poolObj[i]; |
|
463 |
} |
|
464 |
||
465 |
/** Read signature and convert to type. |
|
466 |
*/ |
|
467 |
Type readType(int i) { |
|
468 |
int index = poolIdx[i]; |
|
469 |
return sigToType(buf, index + 3, getChar(index + 1)); |
|
470 |
} |
|
471 |
||
472 |
/** If name is an array type or class signature, return the |
|
473 |
* corresponding type; otherwise return a ClassSymbol with given name. |
|
474 |
*/ |
|
475 |
Object readClassOrType(int i) { |
|
476 |
int index = poolIdx[i]; |
|
477 |
int len = getChar(index + 1); |
|
478 |
int start = index + 3; |
|
479 |
assert buf[start] == '[' || buf[start + len - 1] != ';'; |
|
480 |
// by the above assertion, the following test can be |
|
481 |
// simplified to (buf[start] == '[') |
|
482 |
return (buf[start] == '[' || buf[start + len - 1] == ';') |
|
483 |
? (Object)sigToType(buf, start, len) |
|
484 |
: (Object)enterClass(names.fromUtf(internalize(buf, start, |
|
485 |
len))); |
|
486 |
} |
|
487 |
||
488 |
/** Read signature and convert to type parameters. |
|
489 |
*/ |
|
490 |
List<Type> readTypeParams(int i) { |
|
491 |
int index = poolIdx[i]; |
|
492 |
return sigToTypeParams(buf, index + 3, getChar(index + 1)); |
|
493 |
} |
|
494 |
||
495 |
/** Read class entry. |
|
496 |
*/ |
|
497 |
ClassSymbol readClassSymbol(int i) { |
|
498 |
return (ClassSymbol) (readPool(i)); |
|
499 |
} |
|
500 |
||
501 |
/** Read name. |
|
502 |
*/ |
|
503 |
Name readName(int i) { |
|
504 |
return (Name) (readPool(i)); |
|
505 |
} |
|
506 |
||
507 |
/************************************************************************ |
|
508 |
* Reading Types |
|
509 |
***********************************************************************/ |
|
510 |
||
511 |
/** The unread portion of the currently read type is |
|
512 |
* signature[sigp..siglimit-1]. |
|
513 |
*/ |
|
514 |
byte[] signature; |
|
515 |
int sigp; |
|
516 |
int siglimit; |
|
517 |
boolean sigEnterPhase = false; |
|
518 |
||
519 |
/** Convert signature to type, where signature is a name. |
|
520 |
*/ |
|
521 |
Type sigToType(Name sig) { |
|
522 |
return sig == null |
|
523 |
? null |
|
524 |
: sigToType(sig.table.names, sig.index, sig.len); |
|
525 |
} |
|
526 |
||
527 |
/** Convert signature to type, where signature is a byte array segment. |
|
528 |
*/ |
|
529 |
Type sigToType(byte[] sig, int offset, int len) { |
|
530 |
signature = sig; |
|
531 |
sigp = offset; |
|
532 |
siglimit = offset + len; |
|
533 |
return sigToType(); |
|
534 |
} |
|
535 |
||
536 |
/** Convert signature to type, where signature is implicit. |
|
537 |
*/ |
|
538 |
Type sigToType() { |
|
539 |
switch ((char) signature[sigp]) { |
|
540 |
case 'T': |
|
541 |
sigp++; |
|
542 |
int start = sigp; |
|
543 |
while (signature[sigp] != ';') sigp++; |
|
544 |
sigp++; |
|
545 |
return sigEnterPhase |
|
546 |
? Type.noType |
|
547 |
: findTypeVar(names.fromUtf(signature, start, sigp - 1 - start)); |
|
548 |
case '+': { |
|
549 |
sigp++; |
|
550 |
Type t = sigToType(); |
|
551 |
return new WildcardType(t, BoundKind.EXTENDS, |
|
552 |
syms.boundClass); |
|
553 |
} |
|
554 |
case '*': |
|
555 |
sigp++; |
|
556 |
return new WildcardType(syms.objectType, BoundKind.UNBOUND, |
|
557 |
syms.boundClass); |
|
558 |
case '-': { |
|
559 |
sigp++; |
|
560 |
Type t = sigToType(); |
|
561 |
return new WildcardType(t, BoundKind.SUPER, |
|
562 |
syms.boundClass); |
|
563 |
} |
|
564 |
case 'B': |
|
565 |
sigp++; |
|
566 |
return syms.byteType; |
|
567 |
case 'C': |
|
568 |
sigp++; |
|
569 |
return syms.charType; |
|
570 |
case 'D': |
|
571 |
sigp++; |
|
572 |
return syms.doubleType; |
|
573 |
case 'F': |
|
574 |
sigp++; |
|
575 |
return syms.floatType; |
|
576 |
case 'I': |
|
577 |
sigp++; |
|
578 |
return syms.intType; |
|
579 |
case 'J': |
|
580 |
sigp++; |
|
581 |
return syms.longType; |
|
582 |
case 'L': |
|
583 |
{ |
|
584 |
// int oldsigp = sigp; |
|
585 |
Type t = classSigToType(); |
|
586 |
if (sigp < siglimit && signature[sigp] == '.') |
|
587 |
throw badClassFile("deprecated inner class signature syntax " + |
|
588 |
"(please recompile from source)"); |
|
589 |
/* |
|
590 |
System.err.println(" decoded " + |
|
591 |
new String(signature, oldsigp, sigp-oldsigp) + |
|
592 |
" => " + t + " outer " + t.outer()); |
|
593 |
*/ |
|
594 |
return t; |
|
595 |
} |
|
596 |
case 'S': |
|
597 |
sigp++; |
|
598 |
return syms.shortType; |
|
599 |
case 'V': |
|
600 |
sigp++; |
|
601 |
return syms.voidType; |
|
602 |
case 'Z': |
|
603 |
sigp++; |
|
604 |
return syms.booleanType; |
|
605 |
case '[': |
|
606 |
sigp++; |
|
607 |
return new ArrayType(sigToType(), syms.arrayClass); |
|
608 |
case '(': |
|
609 |
sigp++; |
|
610 |
List<Type> argtypes = sigToTypes(')'); |
|
611 |
Type restype = sigToType(); |
|
612 |
List<Type> thrown = List.nil(); |
|
613 |
while (signature[sigp] == '^') { |
|
614 |
sigp++; |
|
615 |
thrown = thrown.prepend(sigToType()); |
|
616 |
} |
|
617 |
return new MethodType(argtypes, |
|
618 |
restype, |
|
619 |
thrown.reverse(), |
|
620 |
syms.methodClass); |
|
621 |
case '<': |
|
622 |
typevars = typevars.dup(currentOwner); |
|
623 |
Type poly = new ForAll(sigToTypeParams(), sigToType()); |
|
624 |
typevars = typevars.leave(); |
|
625 |
return poly; |
|
626 |
default: |
|
627 |
throw badClassFile("bad.signature", |
|
628 |
Convert.utf2string(signature, sigp, 10)); |
|
629 |
} |
|
630 |
} |
|
631 |
||
632 |
byte[] signatureBuffer = new byte[0]; |
|
633 |
int sbp = 0; |
|
634 |
/** Convert class signature to type, where signature is implicit. |
|
635 |
*/ |
|
636 |
Type classSigToType() { |
|
637 |
if (signature[sigp] != 'L') |
|
638 |
throw badClassFile("bad.class.signature", |
|
639 |
Convert.utf2string(signature, sigp, 10)); |
|
640 |
sigp++; |
|
641 |
Type outer = Type.noType; |
|
642 |
int startSbp = sbp; |
|
643 |
||
644 |
while (true) { |
|
645 |
final byte c = signature[sigp++]; |
|
646 |
switch (c) { |
|
647 |
||
648 |
case ';': { // end |
|
649 |
ClassSymbol t = enterClass(names.fromUtf(signatureBuffer, |
|
650 |
startSbp, |
|
651 |
sbp - startSbp)); |
|
652 |
if (outer == Type.noType) |
|
653 |
outer = t.erasure(types); |
|
654 |
else |
|
655 |
outer = new ClassType(outer, List.<Type>nil(), t); |
|
656 |
sbp = startSbp; |
|
657 |
return outer; |
|
658 |
} |
|
659 |
||
660 |
case '<': // generic arguments |
|
661 |
ClassSymbol t = enterClass(names.fromUtf(signatureBuffer, |
|
662 |
startSbp, |
|
663 |
sbp - startSbp)); |
|
664 |
outer = new ClassType(outer, sigToTypes('>'), t) { |
|
665 |
boolean completed = false; |
|
666 |
public Type getEnclosingType() { |
|
667 |
if (!completed) { |
|
668 |
completed = true; |
|
669 |
tsym.complete(); |
|
670 |
Type enclosingType = tsym.type.getEnclosingType(); |
|
671 |
if (enclosingType != Type.noType) { |
|
672 |
List<Type> typeArgs = |
|
673 |
super.getEnclosingType().allparams(); |
|
674 |
List<Type> typeParams = |
|
675 |
enclosingType.allparams(); |
|
676 |
if (typeParams.length() != typeArgs.length()) { |
|
677 |
// no "rare" types |
|
678 |
super.setEnclosingType(types.erasure(enclosingType)); |
|
679 |
} else { |
|
680 |
super.setEnclosingType(types.subst(enclosingType, |
|
681 |
typeParams, |
|
682 |
typeArgs)); |
|
683 |
} |
|
684 |
} else { |
|
685 |
super.setEnclosingType(Type.noType); |
|
686 |
} |
|
687 |
} |
|
688 |
return super.getEnclosingType(); |
|
689 |
} |
|
690 |
public void setEnclosingType(Type outer) { |
|
691 |
throw new UnsupportedOperationException(); |
|
692 |
} |
|
693 |
}; |
|
694 |
switch (signature[sigp++]) { |
|
695 |
case ';': |
|
696 |
if (sigp < signature.length && signature[sigp] == '.') { |
|
697 |
// support old-style GJC signatures |
|
698 |
// The signature produced was |
|
699 |
// Lfoo/Outer<Lfoo/X;>;.Lfoo/Outer$Inner<Lfoo/Y;>; |
|
700 |
// rather than say |
|
701 |
// Lfoo/Outer<Lfoo/X;>.Inner<Lfoo/Y;>; |
|
702 |
// so we skip past ".Lfoo/Outer$" |
|
703 |
sigp += (sbp - startSbp) + // "foo/Outer" |
|
704 |
3; // ".L" and "$" |
|
705 |
signatureBuffer[sbp++] = (byte)'$'; |
|
706 |
break; |
|
707 |
} else { |
|
708 |
sbp = startSbp; |
|
709 |
return outer; |
|
710 |
} |
|
711 |
case '.': |
|
712 |
signatureBuffer[sbp++] = (byte)'$'; |
|
713 |
break; |
|
714 |
default: |
|
715 |
throw new AssertionError(signature[sigp-1]); |
|
716 |
} |
|
717 |
continue; |
|
718 |
||
719 |
case '.': |
|
720 |
signatureBuffer[sbp++] = (byte)'$'; |
|
721 |
continue; |
|
722 |
case '/': |
|
723 |
signatureBuffer[sbp++] = (byte)'.'; |
|
724 |
continue; |
|
725 |
default: |
|
726 |
signatureBuffer[sbp++] = c; |
|
727 |
continue; |
|
728 |
} |
|
729 |
} |
|
730 |
} |
|
731 |
||
732 |
/** Convert (implicit) signature to list of types |
|
733 |
* until `terminator' is encountered. |
|
734 |
*/ |
|
735 |
List<Type> sigToTypes(char terminator) { |
|
736 |
List<Type> head = List.of(null); |
|
737 |
List<Type> tail = head; |
|
738 |
while (signature[sigp] != terminator) |
|
739 |
tail = tail.setTail(List.of(sigToType())); |
|
740 |
sigp++; |
|
741 |
return head.tail; |
|
742 |
} |
|
743 |
||
744 |
/** Convert signature to type parameters, where signature is a name. |
|
745 |
*/ |
|
746 |
List<Type> sigToTypeParams(Name name) { |
|
747 |
return sigToTypeParams(name.table.names, name.index, name.len); |
|
748 |
} |
|
749 |
||
750 |
/** Convert signature to type parameters, where signature is a byte |
|
751 |
* array segment. |
|
752 |
*/ |
|
753 |
List<Type> sigToTypeParams(byte[] sig, int offset, int len) { |
|
754 |
signature = sig; |
|
755 |
sigp = offset; |
|
756 |
siglimit = offset + len; |
|
757 |
return sigToTypeParams(); |
|
758 |
} |
|
759 |
||
760 |
/** Convert signature to type parameters, where signature is implicit. |
|
761 |
*/ |
|
762 |
List<Type> sigToTypeParams() { |
|
763 |
List<Type> tvars = List.nil(); |
|
764 |
if (signature[sigp] == '<') { |
|
765 |
sigp++; |
|
766 |
int start = sigp; |
|
767 |
sigEnterPhase = true; |
|
768 |
while (signature[sigp] != '>') |
|
769 |
tvars = tvars.prepend(sigToTypeParam()); |
|
770 |
sigEnterPhase = false; |
|
771 |
sigp = start; |
|
772 |
while (signature[sigp] != '>') |
|
773 |
sigToTypeParam(); |
|
774 |
sigp++; |
|
775 |
} |
|
776 |
return tvars.reverse(); |
|
777 |
} |
|
778 |
||
779 |
/** Convert (implicit) signature to type parameter. |
|
780 |
*/ |
|
781 |
Type sigToTypeParam() { |
|
782 |
int start = sigp; |
|
783 |
while (signature[sigp] != ':') sigp++; |
|
784 |
Name name = names.fromUtf(signature, start, sigp - start); |
|
785 |
TypeVar tvar; |
|
786 |
if (sigEnterPhase) { |
|
787 |
tvar = new TypeVar(name, currentOwner, syms.botType); |
|
788 |
typevars.enter(tvar.tsym); |
|
789 |
} else { |
|
790 |
tvar = (TypeVar)findTypeVar(name); |
|
791 |
} |
|
792 |
List<Type> bounds = List.nil(); |
|
793 |
Type st = null; |
|
794 |
if (signature[sigp] == ':' && signature[sigp+1] == ':') { |
|
795 |
sigp++; |
|
796 |
st = syms.objectType; |
|
797 |
} |
|
798 |
while (signature[sigp] == ':') { |
|
799 |
sigp++; |
|
800 |
bounds = bounds.prepend(sigToType()); |
|
801 |
} |
|
802 |
if (!sigEnterPhase) { |
|
803 |
types.setBounds(tvar, bounds.reverse(), st); |
|
804 |
} |
|
805 |
return tvar; |
|
806 |
} |
|
807 |
||
808 |
/** Find type variable with given name in `typevars' scope. |
|
809 |
*/ |
|
810 |
Type findTypeVar(Name name) { |
|
811 |
Scope.Entry e = typevars.lookup(name); |
|
812 |
if (e.scope != null) { |
|
813 |
return e.sym.type; |
|
814 |
} else { |
|
815 |
if (readingClassAttr) { |
|
816 |
// While reading the class attribute, the supertypes |
|
817 |
// might refer to a type variable from an enclosing element |
|
818 |
// (method or class). |
|
819 |
// If the type variable is defined in the enclosing class, |
|
820 |
// we can actually find it in |
|
821 |
// currentOwner.owner.type.getTypeArguments() |
|
822 |
// However, until we have read the enclosing method attribute |
|
823 |
// we don't know for sure if this owner is correct. It could |
|
824 |
// be a method and there is no way to tell before reading the |
|
825 |
// enclosing method attribute. |
|
826 |
TypeVar t = new TypeVar(name, currentOwner, syms.botType); |
|
827 |
missingTypeVariables = missingTypeVariables.prepend(t); |
|
828 |
// System.err.println("Missing type var " + name); |
|
829 |
return t; |
|
830 |
} |
|
831 |
throw badClassFile("undecl.type.var", name); |
|
832 |
} |
|
833 |
} |
|
834 |
||
835 |
/************************************************************************ |
|
836 |
* Reading Attributes |
|
837 |
***********************************************************************/ |
|
838 |
||
839 |
/** Report unrecognized attribute. |
|
840 |
*/ |
|
841 |
void unrecognized(Name attrName) { |
|
842 |
if (checkClassFile) |
|
843 |
printCCF("ccf.unrecognized.attribute", attrName); |
|
844 |
} |
|
845 |
||
846 |
/** Read member attribute. |
|
847 |
*/ |
|
848 |
void readMemberAttr(Symbol sym, Name attrName, int attrLen) { |
|
849 |
//- System.err.println(" z " + sym + ", " + attrName + ", " + attrLen); |
|
850 |
if (attrName == names.ConstantValue) { |
|
851 |
Object v = readPool(nextChar()); |
|
852 |
// Ignore ConstantValue attribute if field not final. |
|
853 |
if ((sym.flags() & FINAL) != 0) |
|
854 |
((VarSymbol)sym).setData(v); |
|
855 |
} else if (attrName == names.Code) { |
|
856 |
if (readAllOfClassFile || saveParameterNames) |
|
857 |
((MethodSymbol)sym).code = readCode(sym); |
|
858 |
else |
|
859 |
bp = bp + attrLen; |
|
860 |
} else if (attrName == names.Exceptions) { |
|
861 |
int nexceptions = nextChar(); |
|
862 |
List<Type> thrown = List.nil(); |
|
863 |
for (int j = 0; j < nexceptions; j++) |
|
864 |
thrown = thrown.prepend(readClassSymbol(nextChar()).type); |
|
865 |
if (sym.type.getThrownTypes().isEmpty()) |
|
866 |
sym.type.asMethodType().thrown = thrown.reverse(); |
|
867 |
} else if (attrName == names.Synthetic) { |
|
868 |
// bridge methods are visible when generics not enabled |
|
869 |
if (allowGenerics || (sym.flags_field & BRIDGE) == 0) |
|
870 |
sym.flags_field |= SYNTHETIC; |
|
871 |
} else if (attrName == names.Bridge) { |
|
872 |
sym.flags_field |= BRIDGE; |
|
873 |
if (!allowGenerics) |
|
874 |
sym.flags_field &= ~SYNTHETIC; |
|
875 |
} else if (attrName == names.Deprecated) { |
|
876 |
sym.flags_field |= DEPRECATED; |
|
877 |
} else if (attrName == names.Varargs) { |
|
878 |
if (allowVarargs) sym.flags_field |= VARARGS; |
|
879 |
} else if (attrName == names.Annotation) { |
|
880 |
if (allowAnnotations) sym.flags_field |= ANNOTATION; |
|
881 |
} else if (attrName == names.Enum) { |
|
882 |
sym.flags_field |= ENUM; |
|
883 |
} else if (allowGenerics && attrName == names.Signature) { |
|
884 |
List<Type> thrown = sym.type.getThrownTypes(); |
|
885 |
sym.type = readType(nextChar()); |
|
886 |
//- System.err.println(" # " + sym.type); |
|
887 |
if (sym.kind == MTH && sym.type.getThrownTypes().isEmpty()) |
|
888 |
sym.type.asMethodType().thrown = thrown; |
|
889 |
} else if (attrName == names.RuntimeVisibleAnnotations) { |
|
890 |
attachAnnotations(sym); |
|
891 |
} else if (attrName == names.RuntimeInvisibleAnnotations) { |
|
892 |
attachAnnotations(sym); |
|
893 |
} else if (attrName == names.RuntimeVisibleParameterAnnotations) { |
|
894 |
attachParameterAnnotations(sym); |
|
895 |
} else if (attrName == names.RuntimeInvisibleParameterAnnotations) { |
|
896 |
attachParameterAnnotations(sym); |
|
897 |
} else if (attrName == names.LocalVariableTable) { |
|
898 |
int newbp = bp + attrLen; |
|
899 |
if (saveParameterNames) { |
|
900 |
// pick up parameter names from the variable table |
|
901 |
List<Name> parameterNames = List.nil(); |
|
902 |
int firstParam = ((sym.flags() & STATIC) == 0) ? 1 : 0; |
|
903 |
int endParam = firstParam + Code.width(sym.type.getParameterTypes()); |
|
904 |
int numEntries = nextChar(); |
|
905 |
for (int i=0; i<numEntries; i++) { |
|
906 |
int start_pc = nextChar(); |
|
907 |
int length = nextChar(); |
|
908 |
int nameIndex = nextChar(); |
|
909 |
int sigIndex = nextChar(); |
|
910 |
int register = nextChar(); |
|
911 |
if (start_pc == 0 && |
|
912 |
firstParam <= register && |
|
913 |
register < endParam) { |
|
914 |
int index = firstParam; |
|
915 |
for (Type t : sym.type.getParameterTypes()) { |
|
916 |
if (index == register) { |
|
917 |
parameterNames = parameterNames.prepend(readName(nameIndex)); |
|
918 |
break; |
|
919 |
} |
|
920 |
index += Code.width(t); |
|
921 |
} |
|
922 |
} |
|
923 |
} |
|
924 |
parameterNames = parameterNames.reverse(); |
|
925 |
((MethodSymbol)sym).savedParameterNames = parameterNames; |
|
926 |
} |
|
927 |
bp = newbp; |
|
928 |
} else if (attrName == names.AnnotationDefault) { |
|
929 |
attachAnnotationDefault(sym); |
|
930 |
} else if (attrName == names.EnclosingMethod) { |
|
931 |
int newbp = bp + attrLen; |
|
932 |
readEnclosingMethodAttr(sym); |
|
933 |
bp = newbp; |
|
934 |
} else { |
|
935 |
unrecognized(attrName); |
|
936 |
bp = bp + attrLen; |
|
937 |
} |
|
938 |
} |
|
939 |
||
940 |
void readEnclosingMethodAttr(Symbol sym) { |
|
941 |
// sym is a nested class with an "Enclosing Method" attribute |
|
942 |
// remove sym from it's current owners scope and place it in |
|
943 |
// the scope specified by the attribute |
|
944 |
sym.owner.members().remove(sym); |
|
945 |
ClassSymbol self = (ClassSymbol)sym; |
|
946 |
ClassSymbol c = readClassSymbol(nextChar()); |
|
947 |
NameAndType nt = (NameAndType)readPool(nextChar()); |
|
948 |
||
949 |
MethodSymbol m = findMethod(nt, c.members_field, self.flags()); |
|
950 |
if (nt != null && m == null) |
|
951 |
throw badClassFile("bad.enclosing.method", self); |
|
952 |
||
953 |
self.name = simpleBinaryName(self.flatname, c.flatname) ; |
|
954 |
self.owner = m != null ? m : c; |
|
955 |
if (self.name.len == 0) |
|
956 |
self.fullname = null; |
|
957 |
else |
|
958 |
self.fullname = ClassSymbol.formFullName(self.name, self.owner); |
|
959 |
||
960 |
if (m != null) { |
|
961 |
((ClassType)sym.type).setEnclosingType(m.type); |
|
962 |
} else if ((self.flags_field & STATIC) == 0) { |
|
963 |
((ClassType)sym.type).setEnclosingType(c.type); |
|
964 |
} else { |
|
965 |
((ClassType)sym.type).setEnclosingType(Type.noType); |
|
966 |
} |
|
967 |
enterTypevars(self); |
|
968 |
if (!missingTypeVariables.isEmpty()) { |
|
969 |
ListBuffer<Type> typeVars = new ListBuffer<Type>(); |
|
970 |
for (Type typevar : missingTypeVariables) { |
|
971 |
typeVars.append(findTypeVar(typevar.tsym.name)); |
|
972 |
} |
|
973 |
foundTypeVariables = typeVars.toList(); |
|
974 |
} else { |
|
975 |
foundTypeVariables = List.nil(); |
|
976 |
} |
|
977 |
} |
|
978 |
||
979 |
// See java.lang.Class |
|
980 |
private Name simpleBinaryName(Name self, Name enclosing) { |
|
981 |
String simpleBinaryName = self.toString().substring(enclosing.toString().length()); |
|
982 |
if (simpleBinaryName.length() < 1 || simpleBinaryName.charAt(0) != '$') |
|
983 |
throw badClassFile("bad.enclosing.method", self); |
|
984 |
int index = 1; |
|
985 |
while (index < simpleBinaryName.length() && |
|
986 |
isAsciiDigit(simpleBinaryName.charAt(index))) |
|
987 |
index++; |
|
988 |
return names.fromString(simpleBinaryName.substring(index)); |
|
989 |
} |
|
990 |
||
991 |
private MethodSymbol findMethod(NameAndType nt, Scope scope, long flags) { |
|
992 |
if (nt == null) |
|
993 |
return null; |
|
994 |
||
995 |
MethodType type = nt.type.asMethodType(); |
|
996 |
||
997 |
for (Scope.Entry e = scope.lookup(nt.name); e.scope != null; e = e.next()) |
|
998 |
if (e.sym.kind == MTH && isSameBinaryType(e.sym.type.asMethodType(), type)) |
|
999 |
return (MethodSymbol)e.sym; |
|
1000 |
||
1001 |
if (nt.name != names.init) |
|
1002 |
// not a constructor |
|
1003 |
return null; |
|
1004 |
if ((flags & INTERFACE) != 0) |
|
1005 |
// no enclosing instance |
|
1006 |
return null; |
|
1007 |
if (nt.type.getParameterTypes().isEmpty()) |
|
1008 |
// no parameters |
|
1009 |
return null; |
|
1010 |
||
1011 |
// A constructor of an inner class. |
|
1012 |
// Remove the first argument (the enclosing instance) |
|
1013 |
nt.type = new MethodType(nt.type.getParameterTypes().tail, |
|
1014 |
nt.type.getReturnType(), |
|
1015 |
nt.type.getThrownTypes(), |
|
1016 |
syms.methodClass); |
|
1017 |
// Try searching again |
|
1018 |
return findMethod(nt, scope, flags); |
|
1019 |
} |
|
1020 |
||
1021 |
/** Similar to Types.isSameType but avoids completion */ |
|
1022 |
private boolean isSameBinaryType(MethodType mt1, MethodType mt2) { |
|
1023 |
List<Type> types1 = types.erasure(mt1.getParameterTypes()) |
|
1024 |
.prepend(types.erasure(mt1.getReturnType())); |
|
1025 |
List<Type> types2 = mt2.getParameterTypes().prepend(mt2.getReturnType()); |
|
1026 |
while (!types1.isEmpty() && !types2.isEmpty()) { |
|
1027 |
if (types1.head.tsym != types2.head.tsym) |
|
1028 |
return false; |
|
1029 |
types1 = types1.tail; |
|
1030 |
types2 = types2.tail; |
|
1031 |
} |
|
1032 |
return types1.isEmpty() && types2.isEmpty(); |
|
1033 |
} |
|
1034 |
||
1035 |
/** |
|
1036 |
* Character.isDigit answers <tt>true</tt> to some non-ascii |
|
1037 |
* digits. This one does not. <b>copied from java.lang.Class</b> |
|
1038 |
*/ |
|
1039 |
private static boolean isAsciiDigit(char c) { |
|
1040 |
return '0' <= c && c <= '9'; |
|
1041 |
} |
|
1042 |
||
1043 |
/** Read member attributes. |
|
1044 |
*/ |
|
1045 |
void readMemberAttrs(Symbol sym) { |
|
1046 |
char ac = nextChar(); |
|
1047 |
for (int i = 0; i < ac; i++) { |
|
1048 |
Name attrName = readName(nextChar()); |
|
1049 |
int attrLen = nextInt(); |
|
1050 |
readMemberAttr(sym, attrName, attrLen); |
|
1051 |
} |
|
1052 |
} |
|
1053 |
||
1054 |
/** Read class attribute. |
|
1055 |
*/ |
|
1056 |
void readClassAttr(ClassSymbol c, Name attrName, int attrLen) { |
|
1057 |
if (attrName == names.SourceFile) { |
|
1058 |
Name n = readName(nextChar()); |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
1059 |
c.sourcefile = new SourceFileObject(n, c.flatname); |
10 | 1060 |
} else if (attrName == names.InnerClasses) { |
1061 |
readInnerClasses(c); |
|
1062 |
} else if (allowGenerics && attrName == names.Signature) { |
|
1063 |
readingClassAttr = true; |
|
1064 |
try { |
|
1065 |
ClassType ct1 = (ClassType)c.type; |
|
1066 |
assert c == currentOwner; |
|
1067 |
ct1.typarams_field = readTypeParams(nextChar()); |
|
1068 |
ct1.supertype_field = sigToType(); |
|
1069 |
ListBuffer<Type> is = new ListBuffer<Type>(); |
|
1070 |
while (sigp != siglimit) is.append(sigToType()); |
|
1071 |
ct1.interfaces_field = is.toList(); |
|
1072 |
} finally { |
|
1073 |
readingClassAttr = false; |
|
1074 |
} |
|
1075 |
} else { |
|
1076 |
readMemberAttr(c, attrName, attrLen); |
|
1077 |
} |
|
1078 |
} |
|
1079 |
private boolean readingClassAttr = false; |
|
1080 |
private List<Type> missingTypeVariables = List.nil(); |
|
1081 |
private List<Type> foundTypeVariables = List.nil(); |
|
1082 |
||
1083 |
/** Read class attributes. |
|
1084 |
*/ |
|
1085 |
void readClassAttrs(ClassSymbol c) { |
|
1086 |
char ac = nextChar(); |
|
1087 |
for (int i = 0; i < ac; i++) { |
|
1088 |
Name attrName = readName(nextChar()); |
|
1089 |
int attrLen = nextInt(); |
|
1090 |
readClassAttr(c, attrName, attrLen); |
|
1091 |
} |
|
1092 |
} |
|
1093 |
||
1094 |
/** Read code block. |
|
1095 |
*/ |
|
1096 |
Code readCode(Symbol owner) { |
|
1097 |
nextChar(); // max_stack |
|
1098 |
nextChar(); // max_locals |
|
1099 |
final int code_length = nextInt(); |
|
1100 |
bp += code_length; |
|
1101 |
final char exception_table_length = nextChar(); |
|
1102 |
bp += exception_table_length * 8; |
|
1103 |
readMemberAttrs(owner); |
|
1104 |
return null; |
|
1105 |
} |
|
1106 |
||
1107 |
/************************************************************************ |
|
1108 |
* Reading Java-language annotations |
|
1109 |
***********************************************************************/ |
|
1110 |
||
1111 |
/** Attach annotations. |
|
1112 |
*/ |
|
1113 |
void attachAnnotations(final Symbol sym) { |
|
1114 |
int numAttributes = nextChar(); |
|
1115 |
if (numAttributes != 0) { |
|
1116 |
ListBuffer<CompoundAnnotationProxy> proxies = |
|
1117 |
new ListBuffer<CompoundAnnotationProxy>(); |
|
1118 |
for (int i = 0; i<numAttributes; i++) { |
|
1119 |
CompoundAnnotationProxy proxy = readCompoundAnnotation(); |
|
1120 |
if (proxy.type.tsym == syms.proprietaryType.tsym) |
|
1121 |
sym.flags_field |= PROPRIETARY; |
|
1122 |
else |
|
1123 |
proxies.append(proxy); |
|
1124 |
} |
|
1125 |
annotate.later(new AnnotationCompleter(sym, proxies.toList())); |
|
1126 |
} |
|
1127 |
} |
|
1128 |
||
1129 |
/** Attach parameter annotations. |
|
1130 |
*/ |
|
1131 |
void attachParameterAnnotations(final Symbol method) { |
|
1132 |
final MethodSymbol meth = (MethodSymbol)method; |
|
1133 |
int numParameters = buf[bp++] & 0xFF; |
|
1134 |
List<VarSymbol> parameters = meth.params(); |
|
1135 |
int pnum = 0; |
|
1136 |
while (parameters.tail != null) { |
|
1137 |
attachAnnotations(parameters.head); |
|
1138 |
parameters = parameters.tail; |
|
1139 |
pnum++; |
|
1140 |
} |
|
1141 |
if (pnum != numParameters) { |
|
1142 |
throw badClassFile("bad.runtime.invisible.param.annotations", meth); |
|
1143 |
} |
|
1144 |
} |
|
1145 |
||
1146 |
/** Attach the default value for an annotation element. |
|
1147 |
*/ |
|
1148 |
void attachAnnotationDefault(final Symbol sym) { |
|
1149 |
final MethodSymbol meth = (MethodSymbol)sym; // only on methods |
|
1150 |
final Attribute value = readAttributeValue(); |
|
1151 |
annotate.later(new AnnotationDefaultCompleter(meth, value)); |
|
1152 |
} |
|
1153 |
||
1154 |
Type readTypeOrClassSymbol(int i) { |
|
1155 |
// support preliminary jsr175-format class files |
|
1156 |
if (buf[poolIdx[i]] == CONSTANT_Class) |
|
1157 |
return readClassSymbol(i).type; |
|
1158 |
return readType(i); |
|
1159 |
} |
|
1160 |
Type readEnumType(int i) { |
|
1161 |
// support preliminary jsr175-format class files |
|
1162 |
int index = poolIdx[i]; |
|
1163 |
int length = getChar(index + 1); |
|
1164 |
if (buf[index + length + 2] != ';') |
|
1165 |
return enterClass(readName(i)).type; |
|
1166 |
return readType(i); |
|
1167 |
} |
|
1168 |
||
1169 |
CompoundAnnotationProxy readCompoundAnnotation() { |
|
1170 |
Type t = readTypeOrClassSymbol(nextChar()); |
|
1171 |
int numFields = nextChar(); |
|
1172 |
ListBuffer<Pair<Name,Attribute>> pairs = |
|
1173 |
new ListBuffer<Pair<Name,Attribute>>(); |
|
1174 |
for (int i=0; i<numFields; i++) { |
|
1175 |
Name name = readName(nextChar()); |
|
1176 |
Attribute value = readAttributeValue(); |
|
1177 |
pairs.append(new Pair<Name,Attribute>(name, value)); |
|
1178 |
} |
|
1179 |
return new CompoundAnnotationProxy(t, pairs.toList()); |
|
1180 |
} |
|
1181 |
||
1182 |
Attribute readAttributeValue() { |
|
1183 |
char c = (char) buf[bp++]; |
|
1184 |
switch (c) { |
|
1185 |
case 'B': |
|
1186 |
return new Attribute.Constant(syms.byteType, readPool(nextChar())); |
|
1187 |
case 'C': |
|
1188 |
return new Attribute.Constant(syms.charType, readPool(nextChar())); |
|
1189 |
case 'D': |
|
1190 |
return new Attribute.Constant(syms.doubleType, readPool(nextChar())); |
|
1191 |
case 'F': |
|
1192 |
return new Attribute.Constant(syms.floatType, readPool(nextChar())); |
|
1193 |
case 'I': |
|
1194 |
return new Attribute.Constant(syms.intType, readPool(nextChar())); |
|
1195 |
case 'J': |
|
1196 |
return new Attribute.Constant(syms.longType, readPool(nextChar())); |
|
1197 |
case 'S': |
|
1198 |
return new Attribute.Constant(syms.shortType, readPool(nextChar())); |
|
1199 |
case 'Z': |
|
1200 |
return new Attribute.Constant(syms.booleanType, readPool(nextChar())); |
|
1201 |
case 's': |
|
1202 |
return new Attribute.Constant(syms.stringType, readPool(nextChar()).toString()); |
|
1203 |
case 'e': |
|
1204 |
return new EnumAttributeProxy(readEnumType(nextChar()), readName(nextChar())); |
|
1205 |
case 'c': |
|
1206 |
return new Attribute.Class(types, readTypeOrClassSymbol(nextChar())); |
|
1207 |
case '[': { |
|
1208 |
int n = nextChar(); |
|
1209 |
ListBuffer<Attribute> l = new ListBuffer<Attribute>(); |
|
1210 |
for (int i=0; i<n; i++) |
|
1211 |
l.append(readAttributeValue()); |
|
1212 |
return new ArrayAttributeProxy(l.toList()); |
|
1213 |
} |
|
1214 |
case '@': |
|
1215 |
return readCompoundAnnotation(); |
|
1216 |
default: |
|
1217 |
throw new AssertionError("unknown annotation tag '" + c + "'"); |
|
1218 |
} |
|
1219 |
} |
|
1220 |
||
1221 |
interface ProxyVisitor extends Attribute.Visitor { |
|
1222 |
void visitEnumAttributeProxy(EnumAttributeProxy proxy); |
|
1223 |
void visitArrayAttributeProxy(ArrayAttributeProxy proxy); |
|
1224 |
void visitCompoundAnnotationProxy(CompoundAnnotationProxy proxy); |
|
1225 |
} |
|
1226 |
||
1227 |
static class EnumAttributeProxy extends Attribute { |
|
1228 |
Type enumType; |
|
1229 |
Name enumerator; |
|
1230 |
public EnumAttributeProxy(Type enumType, Name enumerator) { |
|
1231 |
super(null); |
|
1232 |
this.enumType = enumType; |
|
1233 |
this.enumerator = enumerator; |
|
1234 |
} |
|
1235 |
public void accept(Visitor v) { ((ProxyVisitor)v).visitEnumAttributeProxy(this); } |
|
1236 |
public String toString() { |
|
1237 |
return "/*proxy enum*/" + enumType + "." + enumerator; |
|
1238 |
} |
|
1239 |
} |
|
1240 |
||
1241 |
static class ArrayAttributeProxy extends Attribute { |
|
1242 |
List<Attribute> values; |
|
1243 |
ArrayAttributeProxy(List<Attribute> values) { |
|
1244 |
super(null); |
|
1245 |
this.values = values; |
|
1246 |
} |
|
1247 |
public void accept(Visitor v) { ((ProxyVisitor)v).visitArrayAttributeProxy(this); } |
|
1248 |
public String toString() { |
|
1249 |
return "{" + values + "}"; |
|
1250 |
} |
|
1251 |
} |
|
1252 |
||
1253 |
/** A temporary proxy representing a compound attribute. |
|
1254 |
*/ |
|
1255 |
static class CompoundAnnotationProxy extends Attribute { |
|
1256 |
final List<Pair<Name,Attribute>> values; |
|
1257 |
public CompoundAnnotationProxy(Type type, |
|
1258 |
List<Pair<Name,Attribute>> values) { |
|
1259 |
super(type); |
|
1260 |
this.values = values; |
|
1261 |
} |
|
1262 |
public void accept(Visitor v) { ((ProxyVisitor)v).visitCompoundAnnotationProxy(this); } |
|
1263 |
public String toString() { |
|
1264 |
StringBuffer buf = new StringBuffer(); |
|
1265 |
buf.append("@"); |
|
1266 |
buf.append(type.tsym.getQualifiedName()); |
|
1267 |
buf.append("/*proxy*/{"); |
|
1268 |
boolean first = true; |
|
1269 |
for (List<Pair<Name,Attribute>> v = values; |
|
1270 |
v.nonEmpty(); v = v.tail) { |
|
1271 |
Pair<Name,Attribute> value = v.head; |
|
1272 |
if (!first) buf.append(","); |
|
1273 |
first = false; |
|
1274 |
buf.append(value.fst); |
|
1275 |
buf.append("="); |
|
1276 |
buf.append(value.snd); |
|
1277 |
} |
|
1278 |
buf.append("}"); |
|
1279 |
return buf.toString(); |
|
1280 |
} |
|
1281 |
} |
|
1282 |
||
1283 |
class AnnotationDeproxy implements ProxyVisitor { |
|
1284 |
private ClassSymbol requestingOwner = currentOwner.kind == MTH |
|
1285 |
? currentOwner.enclClass() : (ClassSymbol)currentOwner; |
|
1286 |
||
1287 |
List<Attribute.Compound> deproxyCompoundList(List<CompoundAnnotationProxy> pl) { |
|
1288 |
// also must fill in types!!!! |
|
1289 |
ListBuffer<Attribute.Compound> buf = |
|
1290 |
new ListBuffer<Attribute.Compound>(); |
|
1291 |
for (List<CompoundAnnotationProxy> l = pl; l.nonEmpty(); l=l.tail) { |
|
1292 |
buf.append(deproxyCompound(l.head)); |
|
1293 |
} |
|
1294 |
return buf.toList(); |
|
1295 |
} |
|
1296 |
||
1297 |
Attribute.Compound deproxyCompound(CompoundAnnotationProxy a) { |
|
1298 |
ListBuffer<Pair<Symbol.MethodSymbol,Attribute>> buf = |
|
1299 |
new ListBuffer<Pair<Symbol.MethodSymbol,Attribute>>(); |
|
1300 |
for (List<Pair<Name,Attribute>> l = a.values; |
|
1301 |
l.nonEmpty(); |
|
1302 |
l = l.tail) { |
|
1303 |
MethodSymbol meth = findAccessMethod(a.type, l.head.fst); |
|
1304 |
buf.append(new Pair<Symbol.MethodSymbol,Attribute> |
|
1305 |
(meth, deproxy(meth.type.getReturnType(), l.head.snd))); |
|
1306 |
} |
|
1307 |
return new Attribute.Compound(a.type, buf.toList()); |
|
1308 |
} |
|
1309 |
||
1310 |
MethodSymbol findAccessMethod(Type container, Name name) { |
|
1311 |
CompletionFailure failure = null; |
|
1312 |
try { |
|
1313 |
for (Scope.Entry e = container.tsym.members().lookup(name); |
|
1314 |
e.scope != null; |
|
1315 |
e = e.next()) { |
|
1316 |
Symbol sym = e.sym; |
|
1317 |
if (sym.kind == MTH && sym.type.getParameterTypes().length() == 0) |
|
1318 |
return (MethodSymbol) sym; |
|
1319 |
} |
|
1320 |
} catch (CompletionFailure ex) { |
|
1321 |
failure = ex; |
|
1322 |
} |
|
1323 |
// The method wasn't found: emit a warning and recover |
|
1324 |
JavaFileObject prevSource = log.useSource(requestingOwner.classfile); |
|
1325 |
try { |
|
1326 |
if (failure == null) { |
|
1327 |
log.warning("annotation.method.not.found", |
|
1328 |
container, |
|
1329 |
name); |
|
1330 |
} else { |
|
1331 |
log.warning("annotation.method.not.found.reason", |
|
1332 |
container, |
|
1333 |
name, |
|
1334 |
failure.getMessage()); |
|
1335 |
} |
|
1336 |
} finally { |
|
1337 |
log.useSource(prevSource); |
|
1338 |
} |
|
1339 |
// Construct a new method type and symbol. Use bottom |
|
1340 |
// type (typeof null) as return type because this type is |
|
1341 |
// a subtype of all reference types and can be converted |
|
1342 |
// to primitive types by unboxing. |
|
1343 |
MethodType mt = new MethodType(List.<Type>nil(), |
|
1344 |
syms.botType, |
|
1345 |
List.<Type>nil(), |
|
1346 |
syms.methodClass); |
|
1347 |
return new MethodSymbol(PUBLIC | ABSTRACT, name, mt, container.tsym); |
|
1348 |
} |
|
1349 |
||
1350 |
Attribute result; |
|
1351 |
Type type; |
|
1352 |
Attribute deproxy(Type t, Attribute a) { |
|
1353 |
Type oldType = type; |
|
1354 |
try { |
|
1355 |
type = t; |
|
1356 |
a.accept(this); |
|
1357 |
return result; |
|
1358 |
} finally { |
|
1359 |
type = oldType; |
|
1360 |
} |
|
1361 |
} |
|
1362 |
||
1363 |
// implement Attribute.Visitor below |
|
1364 |
||
1365 |
public void visitConstant(Attribute.Constant value) { |
|
1366 |
// assert value.type == type; |
|
1367 |
result = value; |
|
1368 |
} |
|
1369 |
||
1370 |
public void visitClass(Attribute.Class clazz) { |
|
1371 |
result = clazz; |
|
1372 |
} |
|
1373 |
||
1374 |
public void visitEnum(Attribute.Enum e) { |
|
1375 |
throw new AssertionError(); // shouldn't happen |
|
1376 |
} |
|
1377 |
||
1378 |
public void visitCompound(Attribute.Compound compound) { |
|
1379 |
throw new AssertionError(); // shouldn't happen |
|
1380 |
} |
|
1381 |
||
1382 |
public void visitArray(Attribute.Array array) { |
|
1383 |
throw new AssertionError(); // shouldn't happen |
|
1384 |
} |
|
1385 |
||
1386 |
public void visitError(Attribute.Error e) { |
|
1387 |
throw new AssertionError(); // shouldn't happen |
|
1388 |
} |
|
1389 |
||
1390 |
public void visitEnumAttributeProxy(EnumAttributeProxy proxy) { |
|
1391 |
// type.tsym.flatName() should == proxy.enumFlatName |
|
1392 |
TypeSymbol enumTypeSym = proxy.enumType.tsym; |
|
1393 |
VarSymbol enumerator = null; |
|
1394 |
for (Scope.Entry e = enumTypeSym.members().lookup(proxy.enumerator); |
|
1395 |
e.scope != null; |
|
1396 |
e = e.next()) { |
|
1397 |
if (e.sym.kind == VAR) { |
|
1398 |
enumerator = (VarSymbol)e.sym; |
|
1399 |
break; |
|
1400 |
} |
|
1401 |
} |
|
1402 |
if (enumerator == null) { |
|
1403 |
log.error("unknown.enum.constant", |
|
1404 |
currentClassFile, enumTypeSym, proxy.enumerator); |
|
1405 |
result = new Attribute.Error(enumTypeSym.type); |
|
1406 |
} else { |
|
1407 |
result = new Attribute.Enum(enumTypeSym.type, enumerator); |
|
1408 |
} |
|
1409 |
} |
|
1410 |
||
1411 |
public void visitArrayAttributeProxy(ArrayAttributeProxy proxy) { |
|
1412 |
int length = proxy.values.length(); |
|
1413 |
Attribute[] ats = new Attribute[length]; |
|
1414 |
Type elemtype = types.elemtype(type); |
|
1415 |
int i = 0; |
|
1416 |
for (List<Attribute> p = proxy.values; p.nonEmpty(); p = p.tail) { |
|
1417 |
ats[i++] = deproxy(elemtype, p.head); |
|
1418 |
} |
|
1419 |
result = new Attribute.Array(type, ats); |
|
1420 |
} |
|
1421 |
||
1422 |
public void visitCompoundAnnotationProxy(CompoundAnnotationProxy proxy) { |
|
1423 |
result = deproxyCompound(proxy); |
|
1424 |
} |
|
1425 |
} |
|
1426 |
||
1427 |
class AnnotationDefaultCompleter extends AnnotationDeproxy implements Annotate.Annotator { |
|
1428 |
final MethodSymbol sym; |
|
1429 |
final Attribute value; |
|
1430 |
final JavaFileObject classFile = currentClassFile; |
|
1431 |
public String toString() { |
|
1432 |
return " ClassReader store default for " + sym.owner + "." + sym + " is " + value; |
|
1433 |
} |
|
1434 |
AnnotationDefaultCompleter(MethodSymbol sym, Attribute value) { |
|
1435 |
this.sym = sym; |
|
1436 |
this.value = value; |
|
1437 |
} |
|
1438 |
// implement Annotate.Annotator.enterAnnotation() |
|
1439 |
public void enterAnnotation() { |
|
1440 |
JavaFileObject previousClassFile = currentClassFile; |
|
1441 |
try { |
|
1442 |
currentClassFile = classFile; |
|
1443 |
sym.defaultValue = deproxy(sym.type.getReturnType(), value); |
|
1444 |
} finally { |
|
1445 |
currentClassFile = previousClassFile; |
|
1446 |
} |
|
1447 |
} |
|
1448 |
} |
|
1449 |
||
1450 |
class AnnotationCompleter extends AnnotationDeproxy implements Annotate.Annotator { |
|
1451 |
final Symbol sym; |
|
1452 |
final List<CompoundAnnotationProxy> l; |
|
1453 |
final JavaFileObject classFile; |
|
1454 |
public String toString() { |
|
1455 |
return " ClassReader annotate " + sym.owner + "." + sym + " with " + l; |
|
1456 |
} |
|
1457 |
AnnotationCompleter(Symbol sym, List<CompoundAnnotationProxy> l) { |
|
1458 |
this.sym = sym; |
|
1459 |
this.l = l; |
|
1460 |
this.classFile = currentClassFile; |
|
1461 |
} |
|
1462 |
// implement Annotate.Annotator.enterAnnotation() |
|
1463 |
public void enterAnnotation() { |
|
1464 |
JavaFileObject previousClassFile = currentClassFile; |
|
1465 |
try { |
|
1466 |
currentClassFile = classFile; |
|
1467 |
List<Attribute.Compound> newList = deproxyCompoundList(l); |
|
1468 |
sym.attributes_field = ((sym.attributes_field == null) |
|
1469 |
? newList |
|
1470 |
: newList.prependList(sym.attributes_field)); |
|
1471 |
} finally { |
|
1472 |
currentClassFile = previousClassFile; |
|
1473 |
} |
|
1474 |
} |
|
1475 |
} |
|
1476 |
||
1477 |
||
1478 |
/************************************************************************ |
|
1479 |
* Reading Symbols |
|
1480 |
***********************************************************************/ |
|
1481 |
||
1482 |
/** Read a field. |
|
1483 |
*/ |
|
1484 |
VarSymbol readField() { |
|
1485 |
long flags = adjustFieldFlags(nextChar()); |
|
1486 |
Name name = readName(nextChar()); |
|
1487 |
Type type = readType(nextChar()); |
|
1488 |
VarSymbol v = new VarSymbol(flags, name, type, currentOwner); |
|
1489 |
readMemberAttrs(v); |
|
1490 |
return v; |
|
1491 |
} |
|
1492 |
||
1493 |
/** Read a method. |
|
1494 |
*/ |
|
1495 |
MethodSymbol readMethod() { |
|
1496 |
long flags = adjustMethodFlags(nextChar()); |
|
1497 |
Name name = readName(nextChar()); |
|
1498 |
Type type = readType(nextChar()); |
|
1499 |
if (name == names.init && currentOwner.hasOuterInstance()) { |
|
1500 |
// Sometimes anonymous classes don't have an outer |
|
1501 |
// instance, however, there is no reliable way to tell so |
|
1502 |
// we never strip this$n |
|
1503 |
if (currentOwner.name.len != 0) |
|
1504 |
type = new MethodType(type.getParameterTypes().tail, |
|
1505 |
type.getReturnType(), |
|
1506 |
type.getThrownTypes(), |
|
1507 |
syms.methodClass); |
|
1508 |
} |
|
1509 |
MethodSymbol m = new MethodSymbol(flags, name, type, currentOwner); |
|
1510 |
Symbol prevOwner = currentOwner; |
|
1511 |
currentOwner = m; |
|
1512 |
try { |
|
1513 |
readMemberAttrs(m); |
|
1514 |
} finally { |
|
1515 |
currentOwner = prevOwner; |
|
1516 |
} |
|
1517 |
return m; |
|
1518 |
} |
|
1519 |
||
1520 |
/** Skip a field or method |
|
1521 |
*/ |
|
1522 |
void skipMember() { |
|
1523 |
bp = bp + 6; |
|
1524 |
char ac = nextChar(); |
|
1525 |
for (int i = 0; i < ac; i++) { |
|
1526 |
bp = bp + 2; |
|
1527 |
int attrLen = nextInt(); |
|
1528 |
bp = bp + attrLen; |
|
1529 |
} |
|
1530 |
} |
|
1531 |
||
1532 |
/** Enter type variables of this classtype and all enclosing ones in |
|
1533 |
* `typevars'. |
|
1534 |
*/ |
|
1535 |
protected void enterTypevars(Type t) { |
|
1536 |
if (t.getEnclosingType() != null && t.getEnclosingType().tag == CLASS) |
|
1537 |
enterTypevars(t.getEnclosingType()); |
|
1538 |
for (List<Type> xs = t.getTypeArguments(); xs.nonEmpty(); xs = xs.tail) |
|
1539 |
typevars.enter(xs.head.tsym); |
|
1540 |
} |
|
1541 |
||
1542 |
protected void enterTypevars(Symbol sym) { |
|
1543 |
if (sym.owner.kind == MTH) { |
|
1544 |
enterTypevars(sym.owner); |
|
1545 |
enterTypevars(sym.owner.owner); |
|
1546 |
} |
|
1547 |
enterTypevars(sym.type); |
|
1548 |
} |
|
1549 |
||
1550 |
/** Read contents of a given class symbol `c'. Both external and internal |
|
1551 |
* versions of an inner class are read. |
|
1552 |
*/ |
|
1553 |
void readClass(ClassSymbol c) { |
|
1554 |
ClassType ct = (ClassType)c.type; |
|
1555 |
||
1556 |
// allocate scope for members |
|
1557 |
c.members_field = new Scope(c); |
|
1558 |
||
1559 |
// prepare type variable table |
|
1560 |
typevars = typevars.dup(currentOwner); |
|
1561 |
if (ct.getEnclosingType().tag == CLASS) enterTypevars(ct.getEnclosingType()); |
|
1562 |
||
1563 |
// read flags, or skip if this is an inner class |
|
1564 |
long flags = adjustClassFlags(nextChar()); |
|
1565 |
if (c.owner.kind == PCK) c.flags_field = flags; |
|
1566 |
||
1567 |
// read own class name and check that it matches |
|
1568 |
ClassSymbol self = readClassSymbol(nextChar()); |
|
1569 |
if (c != self) |
|
1570 |
throw badClassFile("class.file.wrong.class", |
|
1571 |
self.flatname); |
|
1572 |
||
1573 |
// class attributes must be read before class |
|
1574 |
// skip ahead to read class attributes |
|
1575 |
int startbp = bp; |
|
1576 |
nextChar(); |
|
1577 |
char interfaceCount = nextChar(); |
|
1578 |
bp += interfaceCount * 2; |
|
1579 |
char fieldCount = nextChar(); |
|
1580 |
for (int i = 0; i < fieldCount; i++) skipMember(); |
|
1581 |
char methodCount = nextChar(); |
|
1582 |
for (int i = 0; i < methodCount; i++) skipMember(); |
|
1583 |
readClassAttrs(c); |
|
1584 |
||
1585 |
if (readAllOfClassFile) { |
|
1586 |
for (int i = 1; i < poolObj.length; i++) readPool(i); |
|
1587 |
c.pool = new Pool(poolObj.length, poolObj); |
|
1588 |
} |
|
1589 |
||
1590 |
// reset and read rest of classinfo |
|
1591 |
bp = startbp; |
|
1592 |
int n = nextChar(); |
|
1593 |
if (ct.supertype_field == null) |
|
1594 |
ct.supertype_field = (n == 0) |
|
1595 |
? Type.noType |
|
1596 |
: readClassSymbol(n).erasure(types); |
|
1597 |
n = nextChar(); |
|
1598 |
List<Type> is = List.nil(); |
|
1599 |
for (int i = 0; i < n; i++) { |
|
1600 |
Type _inter = readClassSymbol(nextChar()).erasure(types); |
|
1601 |
is = is.prepend(_inter); |
|
1602 |
} |
|
1603 |
if (ct.interfaces_field == null) |
|
1604 |
ct.interfaces_field = is.reverse(); |
|
1605 |
||
1606 |
if (fieldCount != nextChar()) assert false; |
|
1607 |
for (int i = 0; i < fieldCount; i++) enterMember(c, readField()); |
|
1608 |
if (methodCount != nextChar()) assert false; |
|
1609 |
for (int i = 0; i < methodCount; i++) enterMember(c, readMethod()); |
|
1610 |
||
1611 |
typevars = typevars.leave(); |
|
1612 |
} |
|
1613 |
||
1614 |
/** Read inner class info. For each inner/outer pair allocate a |
|
1615 |
* member class. |
|
1616 |
*/ |
|
1617 |
void readInnerClasses(ClassSymbol c) { |
|
1618 |
int n = nextChar(); |
|
1619 |
for (int i = 0; i < n; i++) { |
|
1620 |
nextChar(); // skip inner class symbol |
|
1621 |
ClassSymbol outer = readClassSymbol(nextChar()); |
|
1622 |
Name name = readName(nextChar()); |
|
1623 |
if (name == null) name = names.empty; |
|
1624 |
long flags = adjustClassFlags(nextChar()); |
|
1625 |
if (outer != null) { // we have a member class |
|
1626 |
if (name == names.empty) |
|
1627 |
name = names.one; |
|
1628 |
ClassSymbol member = enterClass(name, outer); |
|
1629 |
if ((flags & STATIC) == 0) { |
|
1630 |
((ClassType)member.type).setEnclosingType(outer.type); |
|
1631 |
if (member.erasure_field != null) |
|
1632 |
((ClassType)member.erasure_field).setEnclosingType(types.erasure(outer.type)); |
|
1633 |
} |
|
1634 |
if (c == outer) { |
|
1635 |
member.flags_field = flags; |
|
1636 |
enterMember(c, member); |
|
1637 |
} |
|
1638 |
} |
|
1639 |
} |
|
1640 |
} |
|
1641 |
||
1642 |
/** Read a class file. |
|
1643 |
*/ |
|
1644 |
private void readClassFile(ClassSymbol c) throws IOException { |
|
1645 |
int magic = nextInt(); |
|
1646 |
if (magic != JAVA_MAGIC) |
|
1647 |
throw badClassFile("illegal.start.of.class.file"); |
|
1648 |
||
1649 |
int minorVersion = nextChar(); |
|
1650 |
int majorVersion = nextChar(); |
|
1651 |
int maxMajor = Target.MAX().majorVersion; |
|
1652 |
int maxMinor = Target.MAX().minorVersion; |
|
1653 |
if (majorVersion > maxMajor || |
|
1654 |
majorVersion * 1000 + minorVersion < |
|
1655 |
Target.MIN().majorVersion * 1000 + Target.MIN().minorVersion) |
|
1656 |
{ |
|
1657 |
if (majorVersion == (maxMajor + 1)) |
|
1658 |
log.warning("big.major.version", |
|
1659 |
currentClassFile, |
|
1660 |
majorVersion, |
|
1661 |
maxMajor); |
|
1662 |
else |
|
1663 |
throw badClassFile("wrong.version", |
|
1664 |
Integer.toString(majorVersion), |
|
1665 |
Integer.toString(minorVersion), |
|
1666 |
Integer.toString(maxMajor), |
|
1667 |
Integer.toString(maxMinor)); |
|
1668 |
} |
|
1669 |
else if (checkClassFile && |
|
1670 |
majorVersion == maxMajor && |
|
1671 |
minorVersion > maxMinor) |
|
1672 |
{ |
|
1673 |
printCCF("found.later.version", |
|
1674 |
Integer.toString(minorVersion)); |
|
1675 |
} |
|
1676 |
indexPool(); |
|
1677 |
if (signatureBuffer.length < bp) { |
|
1678 |
int ns = Integer.highestOneBit(bp) << 1; |
|
1679 |
signatureBuffer = new byte[ns]; |
|
1680 |
} |
|
1681 |
readClass(c); |
|
1682 |
} |
|
1683 |
||
1684 |
/************************************************************************ |
|
1685 |
* Adjusting flags |
|
1686 |
***********************************************************************/ |
|
1687 |
||
1688 |
long adjustFieldFlags(long flags) { |
|
1689 |
return flags; |
|
1690 |
} |
|
1691 |
long adjustMethodFlags(long flags) { |
|
1692 |
if ((flags & ACC_BRIDGE) != 0) { |
|
1693 |
flags &= ~ACC_BRIDGE; |
|
1694 |
flags |= BRIDGE; |
|
1695 |
if (!allowGenerics) |
|
1696 |
flags &= ~SYNTHETIC; |
|
1697 |
} |
|
1698 |
if ((flags & ACC_VARARGS) != 0) { |
|
1699 |
flags &= ~ACC_VARARGS; |
|
1700 |
flags |= VARARGS; |
|
1701 |
} |
|
1702 |
return flags; |
|
1703 |
} |
|
1704 |
long adjustClassFlags(long flags) { |
|
1705 |
return flags & ~ACC_SUPER; // SUPER and SYNCHRONIZED bits overloaded |
|
1706 |
} |
|
1707 |
||
1708 |
/************************************************************************ |
|
1709 |
* Loading Classes |
|
1710 |
***********************************************************************/ |
|
1711 |
||
1712 |
/** Define a new class given its name and owner. |
|
1713 |
*/ |
|
1714 |
public ClassSymbol defineClass(Name name, Symbol owner) { |
|
1715 |
ClassSymbol c = new ClassSymbol(0, name, owner); |
|
1716 |
if (owner.kind == PCK) |
|
1717 |
assert classes.get(c.flatname) == null : c; |
|
1718 |
c.completer = this; |
|
1719 |
return c; |
|
1720 |
} |
|
1721 |
||
1722 |
/** Create a new toplevel or member class symbol with given name |
|
1723 |
* and owner and enter in `classes' unless already there. |
|
1724 |
*/ |
|
1725 |
public ClassSymbol enterClass(Name name, TypeSymbol owner) { |
|
1726 |
Name flatname = TypeSymbol.formFlatName(name, owner); |
|
1727 |
ClassSymbol c = classes.get(flatname); |
|
1728 |
if (c == null) { |
|
1729 |
c = defineClass(name, owner); |
|
1730 |
classes.put(flatname, c); |
|
1731 |
} else if ((c.name != name || c.owner != owner) && owner.kind == TYP && c.owner.kind == PCK) { |
|
1732 |
// reassign fields of classes that might have been loaded with |
|
1733 |
// their flat names. |
|
1734 |
c.owner.members().remove(c); |
|
1735 |
c.name = name; |
|
1736 |
c.owner = owner; |
|
1737 |
c.fullname = ClassSymbol.formFullName(name, owner); |
|
1738 |
} |
|
1739 |
return c; |
|
1740 |
} |
|
1741 |
||
1742 |
/** |
|
1743 |
* Creates a new toplevel class symbol with given flat name and |
|
1744 |
* given class (or source) file. |
|
1745 |
* |
|
1746 |
* @param flatName a fully qualified binary class name |
|
1747 |
* @param classFile the class file or compilation unit defining |
|
1748 |
* the class (may be {@code null}) |
|
1749 |
* @return a newly created class symbol |
|
1750 |
* @throws AssertionError if the class symbol already exists |
|
1751 |
*/ |
|
1752 |
public ClassSymbol enterClass(Name flatName, JavaFileObject classFile) { |
|
1753 |
ClassSymbol cs = classes.get(flatName); |
|
1754 |
if (cs != null) { |
|
1755 |
String msg = Log.format("%s: completer = %s; class file = %s; source file = %s", |
|
1756 |
cs.fullname, |
|
1757 |
cs.completer, |
|
1758 |
cs.classfile, |
|
1759 |
cs.sourcefile); |
|
1760 |
throw new AssertionError(msg); |
|
1761 |
} |
|
1762 |
Name packageName = Convert.packagePart(flatName); |
|
1763 |
PackageSymbol owner = packageName.isEmpty() |
|
1764 |
? syms.unnamedPackage |
|
1765 |
: enterPackage(packageName); |
|
1766 |
cs = defineClass(Convert.shortName(flatName), owner); |
|
1767 |
cs.classfile = classFile; |
|
1768 |
classes.put(flatName, cs); |
|
1769 |
return cs; |
|
1770 |
} |
|
1771 |
||
1772 |
/** Create a new member or toplevel class symbol with given flat name |
|
1773 |
* and enter in `classes' unless already there. |
|
1774 |
*/ |
|
1775 |
public ClassSymbol enterClass(Name flatname) { |
|
1776 |
ClassSymbol c = classes.get(flatname); |
|
1777 |
if (c == null) |
|
1778 |
return enterClass(flatname, (JavaFileObject)null); |
|
1779 |
else |
|
1780 |
return c; |
|
1781 |
} |
|
1782 |
||
1783 |
private boolean suppressFlush = false; |
|
1784 |
||
1785 |
/** Completion for classes to be loaded. Before a class is loaded |
|
1786 |
* we make sure its enclosing class (if any) is loaded. |
|
1787 |
*/ |
|
1788 |
public void complete(Symbol sym) throws CompletionFailure { |
|
1789 |
if (sym.kind == TYP) { |
|
1790 |
ClassSymbol c = (ClassSymbol)sym; |
|
1791 |
c.members_field = new Scope.ErrorScope(c); // make sure it's always defined |
|
1792 |
boolean suppressFlush = this.suppressFlush; |
|
1793 |
this.suppressFlush = true; |
|
1794 |
try { |
|
1795 |
completeOwners(c.owner); |
|
1796 |
completeEnclosing(c); |
|
1797 |
} finally { |
|
1798 |
this.suppressFlush = suppressFlush; |
|
1799 |
} |
|
1800 |
fillIn(c); |
|
1801 |
} else if (sym.kind == PCK) { |
|
1802 |
PackageSymbol p = (PackageSymbol)sym; |
|
1803 |
try { |
|
1804 |
fillIn(p); |
|
1805 |
} catch (IOException ex) { |
|
1806 |
throw new CompletionFailure(sym, ex.getLocalizedMessage()).initCause(ex); |
|
1807 |
} |
|
1808 |
} |
|
1809 |
if (!filling && !suppressFlush) |
|
1810 |
annotate.flush(); // finish attaching annotations |
|
1811 |
} |
|
1812 |
||
1813 |
/** complete up through the enclosing package. */ |
|
1814 |
private void completeOwners(Symbol o) { |
|
1815 |
if (o.kind != PCK) completeOwners(o.owner); |
|
1816 |
o.complete(); |
|
1817 |
} |
|
1818 |
||
1819 |
/** |
|
1820 |
* Tries to complete lexically enclosing classes if c looks like a |
|
1821 |
* nested class. This is similar to completeOwners but handles |
|
1822 |
* the situation when a nested class is accessed directly as it is |
|
1823 |
* possible with the Tree API or javax.lang.model.*. |
|
1824 |
*/ |
|
1825 |
private void completeEnclosing(ClassSymbol c) { |
|
1826 |
if (c.owner.kind == PCK) { |
|
1827 |
Symbol owner = c.owner; |
|
1828 |
for (Name name : Convert.enclosingCandidates(Convert.shortName(c.name))) { |
|
1829 |
Symbol encl = owner.members().lookup(name).sym; |
|
1830 |
if (encl == null) |
|
1831 |
encl = classes.get(TypeSymbol.formFlatName(name, owner)); |
|
1832 |
if (encl != null) |
|
1833 |
encl.complete(); |
|
1834 |
} |
|
1835 |
} |
|
1836 |
} |
|
1837 |
||
1838 |
/** We can only read a single class file at a time; this |
|
1839 |
* flag keeps track of when we are currently reading a class |
|
1840 |
* file. |
|
1841 |
*/ |
|
1842 |
private boolean filling = false; |
|
1843 |
||
1844 |
/** Fill in definition of class `c' from corresponding class or |
|
1845 |
* source file. |
|
1846 |
*/ |
|
1847 |
private void fillIn(ClassSymbol c) { |
|
1848 |
if (completionFailureName == c.fullname) { |
|
1849 |
throw new CompletionFailure(c, "user-selected completion failure by class name"); |
|
1850 |
} |
|
1851 |
currentOwner = c; |
|
1852 |
JavaFileObject classfile = c.classfile; |
|
1853 |
if (classfile != null) { |
|
1854 |
JavaFileObject previousClassFile = currentClassFile; |
|
1855 |
try { |
|
1856 |
assert !filling : |
|
1857 |
"Filling " + classfile.toUri() + |
|
1858 |
" during " + previousClassFile; |
|
1859 |
currentClassFile = classfile; |
|
1860 |
if (verbose) { |
|
1861 |
printVerbose("loading", currentClassFile.toString()); |
|
1862 |
} |
|
1863 |
if (classfile.getKind() == JavaFileObject.Kind.CLASS) { |
|
1864 |
filling = true; |
|
1865 |
try { |
|
1866 |
bp = 0; |
|
1867 |
buf = readInputStream(buf, classfile.openInputStream()); |
|
1868 |
readClassFile(c); |
|
1869 |
if (!missingTypeVariables.isEmpty() && !foundTypeVariables.isEmpty()) { |
|
1870 |
List<Type> missing = missingTypeVariables; |
|
1871 |
List<Type> found = foundTypeVariables; |
|
1872 |
missingTypeVariables = List.nil(); |
|
1873 |
foundTypeVariables = List.nil(); |
|
1874 |
filling = false; |
|
1875 |
ClassType ct = (ClassType)currentOwner.type; |
|
1876 |
ct.supertype_field = |
|
1877 |
types.subst(ct.supertype_field, missing, found); |
|
1878 |
ct.interfaces_field = |
|
1879 |
types.subst(ct.interfaces_field, missing, found); |
|
1880 |
} else if (missingTypeVariables.isEmpty() != |
|
1881 |
foundTypeVariables.isEmpty()) { |
|
1882 |
Name name = missingTypeVariables.head.tsym.name; |
|
1883 |
throw badClassFile("undecl.type.var", name); |
|
1884 |
} |
|
1885 |
} finally { |
|
1886 |
missingTypeVariables = List.nil(); |
|
1887 |
foundTypeVariables = List.nil(); |
|
1888 |
filling = false; |
|
1889 |
} |
|
1890 |
} else { |
|
1891 |
if (sourceCompleter != null) { |
|
1892 |
sourceCompleter.complete(c); |
|
1893 |
} else { |
|
1894 |
throw new IllegalStateException("Source completer required to read " |
|
1895 |
+ classfile.toUri()); |
|
1896 |
} |
|
1897 |
} |
|
1898 |
return; |
|
1899 |
} catch (IOException ex) { |
|
1900 |
throw badClassFile("unable.to.access.file", ex.getMessage()); |
|
1901 |
} finally { |
|
1902 |
currentClassFile = previousClassFile; |
|
1903 |
} |
|
1904 |
} else { |
|
169 | 1905 |
JCDiagnostic diag = |
1906 |
diagFactory.fragment("class.file.not.found", c.flatname); |
|
10 | 1907 |
throw |
169 | 1908 |
newCompletionFailure(c, diag); |
10 | 1909 |
} |
1910 |
} |
|
1911 |
// where |
|
1912 |
private static byte[] readInputStream(byte[] buf, InputStream s) throws IOException { |
|
1913 |
try { |
|
1914 |
buf = ensureCapacity(buf, s.available()); |
|
1915 |
int r = s.read(buf); |
|
1916 |
int bp = 0; |
|
1917 |
while (r != -1) { |
|
1918 |
bp += r; |
|
1919 |
buf = ensureCapacity(buf, bp); |
|
1920 |
r = s.read(buf, bp, buf.length - bp); |
|
1921 |
} |
|
1922 |
return buf; |
|
1923 |
} finally { |
|
1924 |
try { |
|
1925 |
s.close(); |
|
1926 |
} catch (IOException e) { |
|
1927 |
/* Ignore any errors, as this stream may have already |
|
1928 |
* thrown a related exception which is the one that |
|
1929 |
* should be reported. |
|
1930 |
*/ |
|
1931 |
} |
|
1932 |
} |
|
1933 |
} |
|
1934 |
private static byte[] ensureCapacity(byte[] buf, int needed) { |
|
1935 |
if (buf.length < needed) { |
|
1936 |
byte[] old = buf; |
|
1937 |
buf = new byte[Integer.highestOneBit(needed) << 1]; |
|
1938 |
System.arraycopy(old, 0, buf, 0, old.length); |
|
1939 |
} |
|
1940 |
return buf; |
|
1941 |
} |
|
1942 |
/** Static factory for CompletionFailure objects. |
|
1943 |
* In practice, only one can be used at a time, so we share one |
|
1944 |
* to reduce the expense of allocating new exception objects. |
|
1945 |
*/ |
|
169 | 1946 |
private CompletionFailure newCompletionFailure(TypeSymbol c, |
1947 |
JCDiagnostic diag) { |
|
10 | 1948 |
if (!cacheCompletionFailure) { |
1949 |
// log.warning("proc.messager", |
|
1950 |
// Log.getLocalizedString("class.file.not.found", c.flatname)); |
|
1951 |
// c.debug.printStackTrace(); |
|
169 | 1952 |
return new CompletionFailure(c, diag); |
10 | 1953 |
} else { |
1954 |
CompletionFailure result = cachedCompletionFailure; |
|
1955 |
result.sym = c; |
|
169 | 1956 |
result.diag = diag; |
10 | 1957 |
return result; |
1958 |
} |
|
1959 |
} |
|
1960 |
private CompletionFailure cachedCompletionFailure = |
|
169 | 1961 |
new CompletionFailure(null, (JCDiagnostic) null); |
10 | 1962 |
{ |
1963 |
cachedCompletionFailure.setStackTrace(new StackTraceElement[0]); |
|
1964 |
} |
|
1965 |
||
1966 |
/** Load a toplevel class with given fully qualified name |
|
1967 |
* The class is entered into `classes' only if load was successful. |
|
1968 |
*/ |
|
1969 |
public ClassSymbol loadClass(Name flatname) throws CompletionFailure { |
|
1970 |
boolean absent = classes.get(flatname) == null; |
|
1971 |
ClassSymbol c = enterClass(flatname); |
|
1972 |
if (c.members_field == null && c.completer != null) { |
|
1973 |
try { |
|
1974 |
c.complete(); |
|
1975 |
} catch (CompletionFailure ex) { |
|
1976 |
if (absent) classes.remove(flatname); |
|
1977 |
throw ex; |
|
1978 |
} |
|
1979 |
} |
|
1980 |
return c; |
|
1981 |
} |
|
1982 |
||
1983 |
/************************************************************************ |
|
1984 |
* Loading Packages |
|
1985 |
***********************************************************************/ |
|
1986 |
||
1987 |
/** Check to see if a package exists, given its fully qualified name. |
|
1988 |
*/ |
|
1989 |
public boolean packageExists(Name fullname) { |
|
1990 |
return enterPackage(fullname).exists(); |
|
1991 |
} |
|
1992 |
||
1993 |
/** Make a package, given its fully qualified name. |
|
1994 |
*/ |
|
1995 |
public PackageSymbol enterPackage(Name fullname) { |
|
1996 |
PackageSymbol p = packages.get(fullname); |
|
1997 |
if (p == null) { |
|
1998 |
assert !fullname.isEmpty() : "rootPackage missing!"; |
|
1999 |
p = new PackageSymbol( |
|
2000 |
Convert.shortName(fullname), |
|
2001 |
enterPackage(Convert.packagePart(fullname))); |
|
2002 |
p.completer = this; |
|
2003 |
packages.put(fullname, p); |
|
2004 |
} |
|
2005 |
return p; |
|
2006 |
} |
|
2007 |
||
2008 |
/** Make a package, given its unqualified name and enclosing package. |
|
2009 |
*/ |
|
2010 |
public PackageSymbol enterPackage(Name name, PackageSymbol owner) { |
|
2011 |
return enterPackage(TypeSymbol.formFullName(name, owner)); |
|
2012 |
} |
|
2013 |
||
2014 |
/** Include class corresponding to given class file in package, |
|
2015 |
* unless (1) we already have one the same kind (.class or .java), or |
|
2016 |
* (2) we have one of the other kind, and the given class file |
|
2017 |
* is older. |
|
2018 |
*/ |
|
2019 |
protected void includeClassFile(PackageSymbol p, JavaFileObject file) { |
|
2020 |
if ((p.flags_field & EXISTS) == 0) |
|
2021 |
for (Symbol q = p; q != null && q.kind == PCK; q = q.owner) |
|
2022 |
q.flags_field |= EXISTS; |
|
2023 |
JavaFileObject.Kind kind = file.getKind(); |
|
2024 |
int seen; |
|
2025 |
if (kind == JavaFileObject.Kind.CLASS) |
|
2026 |
seen = CLASS_SEEN; |
|
2027 |
else |
|
2028 |
seen = SOURCE_SEEN; |
|
2029 |
String binaryName = fileManager.inferBinaryName(currentLoc, file); |
|
2030 |
int lastDot = binaryName.lastIndexOf("."); |
|
2031 |
Name classname = names.fromString(binaryName.substring(lastDot + 1)); |
|
2032 |
boolean isPkgInfo = classname == names.package_info; |
|
2033 |
ClassSymbol c = isPkgInfo |
|
2034 |
? p.package_info |
|
2035 |
: (ClassSymbol) p.members_field.lookup(classname).sym; |
|
2036 |
if (c == null) { |
|
2037 |
c = enterClass(classname, p); |
|
2038 |
if (c.classfile == null) // only update the file if's it's newly created |
|
2039 |
c.classfile = file; |
|
2040 |
if (isPkgInfo) { |
|
2041 |
p.package_info = c; |
|
2042 |
} else { |
|
2043 |
if (c.owner == p) // it might be an inner class |
|
2044 |
p.members_field.enter(c); |
|
2045 |
} |
|
2046 |
} else if (c.classfile != null && (c.flags_field & seen) == 0) { |
|
2047 |
// if c.classfile == null, we are currently compiling this class |
|
2048 |
// and no further action is necessary. |
|
2049 |
// if (c.flags_field & seen) != 0, we have already encountered |
|
2050 |
// a file of the same kind; again no further action is necessary. |
|
2051 |
if ((c.flags_field & (CLASS_SEEN | SOURCE_SEEN)) != 0) |
|
2052 |
c.classfile = preferredFileObject(file, c.classfile); |
|
2053 |
} |
|
2054 |
c.flags_field |= seen; |
|
2055 |
} |
|
2056 |
||
2057 |
/** Implement policy to choose to derive information from a source |
|
2058 |
* file or a class file when both are present. May be overridden |
|
2059 |
* by subclasses. |
|
2060 |
*/ |
|
2061 |
protected JavaFileObject preferredFileObject(JavaFileObject a, |
|
2062 |
JavaFileObject b) { |
|
2063 |
||
2064 |
if (preferSource) |
|
2065 |
return (a.getKind() == JavaFileObject.Kind.SOURCE) ? a : b; |
|
2066 |
else { |
|
2067 |
long adate = a.getLastModified(); |
|
2068 |
long bdate = b.getLastModified(); |
|
2069 |
// 6449326: policy for bad lastModifiedTime in ClassReader |
|
2070 |
//assert adate >= 0 && bdate >= 0; |
|
2071 |
return (adate > bdate) ? a : b; |
|
2072 |
} |
|
2073 |
} |
|
2074 |
||
2075 |
/** |
|
2076 |
* specifies types of files to be read when filling in a package symbol |
|
2077 |
*/ |
|
2078 |
protected EnumSet<JavaFileObject.Kind> getPackageFileKinds() { |
|
2079 |
return EnumSet.of(JavaFileObject.Kind.CLASS, JavaFileObject.Kind.SOURCE); |
|
2080 |
} |
|
2081 |
||
2082 |
/** |
|
2083 |
* this is used to support javadoc |
|
2084 |
*/ |
|
2085 |
protected void extraFileActions(PackageSymbol pack, JavaFileObject fe) { |
|
2086 |
} |
|
2087 |
||
2088 |
protected Location currentLoc; // FIXME |
|
2089 |
||
2090 |
private boolean verbosePath = true; |
|
2091 |
||
2092 |
/** Load directory of package into members scope. |
|
2093 |
*/ |
|
2094 |
private void fillIn(PackageSymbol p) throws IOException { |
|
2095 |
if (p.members_field == null) p.members_field = new Scope(p); |
|
2096 |
String packageName = p.fullname.toString(); |
|
2097 |
||
2098 |
Set<JavaFileObject.Kind> kinds = getPackageFileKinds(); |
|
2099 |
||
2100 |
fillIn(p, PLATFORM_CLASS_PATH, |
|
2101 |
fileManager.list(PLATFORM_CLASS_PATH, |
|
2102 |
packageName, |
|
2103 |
EnumSet.of(JavaFileObject.Kind.CLASS), |
|
2104 |
false)); |
|
2105 |
||
2106 |
Set<JavaFileObject.Kind> classKinds = EnumSet.copyOf(kinds); |
|
2107 |
classKinds.remove(JavaFileObject.Kind.SOURCE); |
|
2108 |
boolean wantClassFiles = !classKinds.isEmpty(); |
|
2109 |
||
2110 |
Set<JavaFileObject.Kind> sourceKinds = EnumSet.copyOf(kinds); |
|
2111 |
sourceKinds.remove(JavaFileObject.Kind.CLASS); |
|
2112 |
boolean wantSourceFiles = !sourceKinds.isEmpty(); |
|
2113 |
||
2114 |
boolean haveSourcePath = fileManager.hasLocation(SOURCE_PATH); |
|
2115 |
||
2116 |
if (verbose && verbosePath) { |
|
2117 |
if (fileManager instanceof StandardJavaFileManager) { |
|
2118 |
StandardJavaFileManager fm = (StandardJavaFileManager)fileManager; |
|
2119 |
if (haveSourcePath && wantSourceFiles) { |
|
2120 |
List<File> path = List.nil(); |
|
2121 |
for (File file : fm.getLocation(SOURCE_PATH)) { |
|
2122 |
path = path.prepend(file); |
|
2123 |
} |
|
2124 |
printVerbose("sourcepath", path.reverse().toString()); |
|
2125 |
} else if (wantSourceFiles) { |
|
2126 |
List<File> path = List.nil(); |
|
2127 |
for (File file : fm.getLocation(CLASS_PATH)) { |
|
2128 |
path = path.prepend(file); |
|
2129 |
} |
|
2130 |
printVerbose("sourcepath", path.reverse().toString()); |
|
2131 |
} |
|
2132 |
if (wantClassFiles) { |
|
2133 |
List<File> path = List.nil(); |
|
2134 |
for (File file : fm.getLocation(PLATFORM_CLASS_PATH)) { |
|
2135 |
path = path.prepend(file); |
|
2136 |
} |
|
2137 |
for (File file : fm.getLocation(CLASS_PATH)) { |
|
2138 |
path = path.prepend(file); |
|
2139 |
} |
|
2140 |
printVerbose("classpath", path.reverse().toString()); |
|
2141 |
} |
|
2142 |
} |
|
2143 |
} |
|
2144 |
||
2145 |
if (wantSourceFiles && !haveSourcePath) { |
|
2146 |
fillIn(p, CLASS_PATH, |
|
2147 |
fileManager.list(CLASS_PATH, |
|
2148 |
packageName, |
|
2149 |
kinds, |
|
2150 |
false)); |
|
2151 |
} else { |
|
2152 |
if (wantClassFiles) |
|
2153 |
fillIn(p, CLASS_PATH, |
|
2154 |
fileManager.list(CLASS_PATH, |
|
2155 |
packageName, |
|
2156 |
classKinds, |
|
2157 |
false)); |
|
2158 |
if (wantSourceFiles) |
|
2159 |
fillIn(p, SOURCE_PATH, |
|
2160 |
fileManager.list(SOURCE_PATH, |
|
2161 |
packageName, |
|
2162 |
sourceKinds, |
|
2163 |
false)); |
|
2164 |
} |
|
2165 |
verbosePath = false; |
|
2166 |
} |
|
2167 |
// where |
|
2168 |
private void fillIn(PackageSymbol p, |
|
2169 |
Location location, |
|
2170 |
Iterable<JavaFileObject> files) |
|
2171 |
{ |
|
2172 |
currentLoc = location; |
|
2173 |
for (JavaFileObject fo : files) { |
|
2174 |
switch (fo.getKind()) { |
|
2175 |
case CLASS: |
|
2176 |
case SOURCE: { |
|
2177 |
// TODO pass binaryName to includeClassFile |
|
2178 |
String binaryName = fileManager.inferBinaryName(currentLoc, fo); |
|
2179 |
String simpleName = binaryName.substring(binaryName.lastIndexOf(".") + 1); |
|
2180 |
if (SourceVersion.isIdentifier(simpleName) || |
|
2181 |
simpleName.equals("package-info")) |
|
2182 |
includeClassFile(p, fo); |
|
2183 |
break; |
|
2184 |
} |
|
2185 |
default: |
|
2186 |
extraFileActions(p, fo); |
|
2187 |
} |
|
2188 |
} |
|
2189 |
} |
|
2190 |
||
2191 |
/** Output for "-verbose" option. |
|
2192 |
* @param key The key to look up the correct internationalized string. |
|
2193 |
* @param arg An argument for substitution into the output string. |
|
2194 |
*/ |
|
2195 |
private void printVerbose(String key, CharSequence arg) { |
|
2196 |
Log.printLines(log.noticeWriter, Log.getLocalizedString("verbose." + key, arg)); |
|
2197 |
} |
|
2198 |
||
2199 |
/** Output for "-checkclassfile" option. |
|
2200 |
* @param key The key to look up the correct internationalized string. |
|
2201 |
* @param arg An argument for substitution into the output string. |
|
2202 |
*/ |
|
2203 |
private void printCCF(String key, Object arg) { |
|
2204 |
Log.printLines(log.noticeWriter, Log.getLocalizedString(key, arg)); |
|
2205 |
} |
|
2206 |
||
2207 |
||
2208 |
public interface SourceCompleter { |
|
2209 |
void complete(ClassSymbol sym) |
|
2210 |
throws CompletionFailure; |
|
2211 |
} |
|
2212 |
||
2213 |
/** |
|
2214 |
* A subclass of JavaFileObject for the sourcefile attribute found in a classfile. |
|
2215 |
* The attribute is only the last component of the original filename, so is unlikely |
|
2216 |
* to be valid as is, so operations other than those to access the name throw |
|
2217 |
* UnsupportedOperationException |
|
2218 |
*/ |
|
2219 |
private static class SourceFileObject extends BaseFileObject { |
|
2220 |
||
2221 |
/** The file's name. |
|
2222 |
*/ |
|
2223 |
private Name name; |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
2224 |
private Name flatname; |
10 | 2225 |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
2226 |
public SourceFileObject(Name name, Name flatname) { |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
2227 |
super(null); // no file manager; never referenced for this file object |
10 | 2228 |
this.name = name; |
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
2229 |
this.flatname = flatname; |
10 | 2230 |
} |
2231 |
||
2232 |
public InputStream openInputStream() { |
|
2233 |
throw new UnsupportedOperationException(); |
|
2234 |
} |
|
2235 |
||
2236 |
public OutputStream openOutputStream() { |
|
2237 |
throw new UnsupportedOperationException(); |
|
2238 |
} |
|
2239 |
||
2240 |
public Reader openReader() { |
|
2241 |
throw new UnsupportedOperationException(); |
|
2242 |
} |
|
2243 |
||
2244 |
public Writer openWriter() { |
|
2245 |
throw new UnsupportedOperationException(); |
|
2246 |
} |
|
2247 |
||
2248 |
/** @deprecated see bug 6410637 */ |
|
2249 |
@Deprecated |
|
2250 |
public String getName() { |
|
2251 |
return name.toString(); |
|
2252 |
} |
|
2253 |
||
2254 |
public long getLastModified() { |
|
2255 |
throw new UnsupportedOperationException(); |
|
2256 |
} |
|
2257 |
||
2258 |
public boolean delete() { |
|
2259 |
throw new UnsupportedOperationException(); |
|
2260 |
} |
|
2261 |
||
2262 |
public CharBuffer getCharContent(boolean ignoreEncodingErrors) { |
|
2263 |
throw new UnsupportedOperationException(); |
|
2264 |
} |
|
2265 |
||
2266 |
@Override |
|
2267 |
public boolean equals(Object other) { |
|
2268 |
if (!(other instanceof SourceFileObject)) |
|
2269 |
return false; |
|
2270 |
SourceFileObject o = (SourceFileObject) other; |
|
2271 |
return name.equals(o.name); |
|
2272 |
} |
|
2273 |
||
2274 |
@Override |
|
2275 |
public int hashCode() { |
|
2276 |
return name.hashCode(); |
|
2277 |
} |
|
2278 |
||
2279 |
public boolean isNameCompatible(String simpleName, JavaFileObject.Kind kind) { |
|
2280 |
return true; // fail-safe mode |
|
2281 |
} |
|
2282 |
||
2283 |
public URI toUri() { |
|
2284 |
return URI.create(name.toString()); |
|
2285 |
} |
|
2286 |
||
2287 |
public Reader openReader(boolean ignoreEncodingErrors) throws IOException { |
|
2288 |
throw new UnsupportedOperationException(); |
|
2289 |
} |
|
2290 |
||
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
2291 |
@Override |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
2292 |
protected String inferBinaryName(Iterable<? extends File> path) { |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
2293 |
return flatname.toString(); |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
731
diff
changeset
|
2294 |
} |
10 | 2295 |
} |
2296 |
} |