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