--- a/langtools/src/share/classes/com/sun/tools/apt/mirror/declaration/DeclarationMaker.java Tue Feb 21 05:44:29 2012 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,270 +0,0 @@
-/*
- * Copyright (c) 2004, 2006, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.tools.apt.mirror.declaration;
-
-
-import java.util.HashMap;
-import java.util.Map;
-
-import com.sun.mirror.declaration.*;
-import com.sun.tools.apt.mirror.AptEnv;
-import com.sun.tools.javac.code.*;
-import com.sun.tools.javac.code.Symbol.*;
-import com.sun.tools.javac.util.Context;
-import com.sun.tools.javac.util.Name;
-import com.sun.tools.javac.main.JavaCompiler;
-
-/**
- * Utilities for constructing and caching declarations.
- */
-@SuppressWarnings("deprecation")
-public class DeclarationMaker {
-
- private AptEnv env;
- private Context context;
- private JavaCompiler javacompiler;
- private static final Context.Key<DeclarationMaker> declarationMakerKey =
- new Context.Key<DeclarationMaker>();
-
- public static DeclarationMaker instance(Context context) {
- DeclarationMaker instance = context.get(declarationMakerKey);
- if (instance == null) {
- instance = new DeclarationMaker(context);
- }
- return instance;
- }
-
- private DeclarationMaker(Context context) {
- context.put(declarationMakerKey, this);
- env = AptEnv.instance(context);
- this.context = context;
- this.javacompiler = JavaCompiler.instance(context);
- }
-
-
-
- // Cache of package declarations
- private Map<PackageSymbol, PackageDeclaration> packageDecls =
- new HashMap<PackageSymbol, PackageDeclaration>();
-
- /**
- * Returns the package declaration for a package symbol.
- */
- public PackageDeclaration getPackageDeclaration(PackageSymbol p) {
- PackageDeclaration res = packageDecls.get(p);
- if (res == null) {
- res = new PackageDeclarationImpl(env, p);
- packageDecls.put(p, res);
- }
- return res;
- }
-
- /**
- * Returns the package declaration for the package with the given name.
- * Name is fully-qualified, or "" for the unnamed package.
- * Returns null if package declaration not found.
- */
- public PackageDeclaration getPackageDeclaration(String name) {
- PackageSymbol p = null;
- if (name.equals("") )
- p = env.symtab.unnamedPackage;
- else {
- if (!isJavaName(name))
- return null;
- Symbol s = nameToSymbol(name, false);
- if (s instanceof PackageSymbol) {
- p = (PackageSymbol) s;
- if (!p.exists())
- return null;
- } else
- return null;
- }
- return getPackageDeclaration(p);
- }
-
- // Cache of type declarations
- private Map<ClassSymbol, TypeDeclaration> typeDecls =
- new HashMap<ClassSymbol, TypeDeclaration>();
-
- /**
- * Returns the type declaration for a class symbol.
- * Forces completion, and returns null on error.
- */
- public TypeDeclaration getTypeDeclaration(ClassSymbol c) {
- long flags = AptEnv.getFlags(c); // forces symbol completion
- if (c.kind == Kinds.ERR) {
- return null;
- }
- TypeDeclaration res = typeDecls.get(c);
- if (res == null) {
- if ((flags & Flags.ANNOTATION) != 0) {
- res = new AnnotationTypeDeclarationImpl(env, c);
- } else if ((flags & Flags.INTERFACE) != 0) {
- res = new InterfaceDeclarationImpl(env, c);
- } else if ((flags & Flags.ENUM) != 0) {
- res = new EnumDeclarationImpl(env, c);
- } else {
- res = new ClassDeclarationImpl(env, c);
- }
- typeDecls.put(c, res);
- }
- return res;
- }
-
- /**
- * Returns the type declaration for the type with the given canonical name.
- * Returns null if type declaration not found.
- */
- public TypeDeclaration getTypeDeclaration(String name) {
- if (!isJavaName(name))
- return null;
- Symbol s = nameToSymbol(name, true);
- if (s instanceof ClassSymbol) {
- ClassSymbol c = (ClassSymbol) s;
- return getTypeDeclaration(c);
- } else
- return null;
- }
-
- /**
- * Returns a symbol given the type's or packages's canonical name,
- * or null if the name isn't found.
- */
- private Symbol nameToSymbol(String name, boolean classCache) {
- Symbol s = null;
- Name nameName = env.names.fromString(name);
- if (classCache)
- s = env.symtab.classes.get(nameName);
- else
- s = env.symtab.packages.get(nameName);
-
- if (s != null && s.exists())
- return s;
-
- s = javacompiler.resolveIdent(name);
- if (s.kind == Kinds.ERR )
- return null;
-
- if (s.kind == Kinds.PCK)
- s.complete();
-
- return s;
- }
-
- // Cache of method and constructor declarations
- private Map<MethodSymbol, ExecutableDeclaration> executableDecls =
- new HashMap<MethodSymbol, ExecutableDeclaration>();
-
- /**
- * Returns the method or constructor declaration for a method symbol.
- */
- ExecutableDeclaration getExecutableDeclaration(MethodSymbol m) {
- ExecutableDeclaration res = executableDecls.get(m);
- if (res == null) {
- if (m.isConstructor()) {
- res = new ConstructorDeclarationImpl(env, m);
- } else if (isAnnotationTypeElement(m)) {
- res = new AnnotationTypeElementDeclarationImpl(env, m);
- } else {
- res = new MethodDeclarationImpl(env, m);
- }
- executableDecls.put(m, res);
- }
- return res;
- }
-
- // Cache of field declarations
- private Map<VarSymbol, FieldDeclaration> fieldDecls =
- new HashMap<VarSymbol, FieldDeclaration>();
-
- /**
- * Returns the field declaration for a var symbol.
- */
- FieldDeclaration getFieldDeclaration(VarSymbol v) {
- FieldDeclaration res = fieldDecls.get(v);
- if (res == null) {
- if (hasFlag(v, Flags.ENUM)) {
- res = new EnumConstantDeclarationImpl(env, v);
- } else {
- res = new FieldDeclarationImpl(env, v);
- }
- fieldDecls.put(v, res);
- }
- return res;
- }
-
- /**
- * Returns a parameter declaration.
- */
- ParameterDeclaration getParameterDeclaration(VarSymbol v) {
- return new ParameterDeclarationImpl(env, v);
- }
-
- /**
- * Returns a type parameter declaration.
- */
- public TypeParameterDeclaration getTypeParameterDeclaration(TypeSymbol t) {
- return new TypeParameterDeclarationImpl(env, t);
- }
-
- /**
- * Returns an annotation.
- */
- AnnotationMirror getAnnotationMirror(Attribute.Compound a, Declaration decl) {
- return new AnnotationMirrorImpl(env, a, decl);
- }
-
-
- /**
- * Is a string a valid Java identifier?
- */
- public static boolean isJavaIdentifier(String id) {
- return javax.lang.model.SourceVersion.isIdentifier(id);
- }
-
- public static boolean isJavaName(String name) {
- for(String id: name.split("\\.")) {
- if (! isJavaIdentifier(id))
- return false;
- }
- return true;
- }
-
- /**
- * Is a method an annotation type element?
- * It is if it's declared in an annotation type.
- */
- private static boolean isAnnotationTypeElement(MethodSymbol m) {
- return hasFlag(m.enclClass(), Flags.ANNOTATION);
- }
-
- /**
- * Does a symbol have a given flag?
- */
- private static boolean hasFlag(Symbol s, long flag) {
- return AptEnv.hasFlag(s, flag);
- }
-}