src/share/classes/com/sun/tools/javadoc/TypeMaker.java

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 1
9a66ca7c79fa
child 198
b4b1f7732289
permissions
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     1 /*
     2  * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.  Sun designates this
     8  * particular file as subject to the "Classpath" exception as provided
     9  * by Sun in the LICENSE file that accompanied this code.
    10  *
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    14  * version 2 for more details (a copy is included in the LICENSE file that
    15  * accompanied this code).
    16  *
    17  * You should have received a copy of the GNU General Public License version
    18  * 2 along with this work; if not, write to the Free Software Foundation,
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    20  *
    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    22  * CA 95054 USA or visit www.sun.com if you need additional information or
    23  * have any questions.
    24  */
    26 package com.sun.tools.javadoc;
    28 import com.sun.javadoc.*;
    30 import static com.sun.javadoc.LanguageVersion.*;
    32 import com.sun.tools.javac.code.Symbol;
    33 import com.sun.tools.javac.code.Symbol.ClassSymbol;
    34 import com.sun.tools.javac.code.Type;
    35 import com.sun.tools.javac.code.Type.ClassType;
    36 import com.sun.tools.javac.code.Type.TypeVar;
    37 import com.sun.tools.javac.code.Type.ArrayType;
    38 import com.sun.tools.javac.code.Types;
    39 import com.sun.tools.javac.util.List;
    41 import static com.sun.tools.javac.code.TypeTags.*;
    44 public class TypeMaker {
    46     public static com.sun.javadoc.Type getType(DocEnv env, Type t) {
    47         return getType(env, t, true);
    48     }
    50     /**
    51      * @param errToClassDoc  if true, ERROR type results in a ClassDoc;
    52      *          false preserves legacy behavior
    53      */
    54     public static com.sun.javadoc.Type getType(DocEnv env, Type t,
    55                                                boolean errToClassDoc) {
    56         if (env.legacyDoclet) {
    57             t = env.types.erasure(t);
    58         }
    59         switch (t.tag) {
    60         case CLASS:
    61             if (ClassDocImpl.isGeneric((ClassSymbol)t.tsym)) {
    62                 return env.getParameterizedType((ClassType)t);
    63             } else {
    64                 return env.getClassDoc((ClassSymbol)t.tsym);
    65             }
    66         case WILDCARD:
    67             Type.WildcardType a = (Type.WildcardType)t;
    68             return new WildcardTypeImpl(env, a);
    69         case TYPEVAR: return new TypeVariableImpl(env, (TypeVar)t);
    70         case ARRAY: return new ArrayTypeImpl(env, t);
    71         case BYTE: return PrimitiveType.byteType;
    72         case CHAR: return PrimitiveType.charType;
    73         case SHORT: return PrimitiveType.shortType;
    74         case INT: return PrimitiveType.intType;
    75         case LONG: return PrimitiveType.longType;
    76         case FLOAT: return PrimitiveType.floatType;
    77         case DOUBLE: return PrimitiveType.doubleType;
    78         case BOOLEAN: return PrimitiveType.booleanType;
    79         case VOID: return PrimitiveType.voidType;
    80         case ERROR:
    81             if (errToClassDoc)
    82                 return env.getClassDoc((ClassSymbol)t.tsym);
    83             // FALLTHRU
    84         default:
    85             return new PrimitiveType(t.tsym.getQualifiedName().toString());
    86         }
    87     }
    89     /**
    90      * Convert a list of javac types into an array of javadoc types.
    91      */
    92     public static com.sun.javadoc.Type[] getTypes(DocEnv env, List<Type> ts) {
    93         return getTypes(env, ts, new com.sun.javadoc.Type[ts.length()]);
    94     }
    96     /**
    97      * Like the above version, but use and return the array given.
    98      */
    99     public static com.sun.javadoc.Type[] getTypes(DocEnv env, List<Type> ts,
   100                                                   com.sun.javadoc.Type res[]) {
   101         int i = 0;
   102         for (Type t : ts) {
   103             res[i++] = getType(env, t);
   104         }
   105         return res;
   106     }
   108     public static String getTypeName(Type t, boolean full) {
   109         switch (t.tag) {
   110         case ARRAY:
   111             StringBuffer dimension = new StringBuffer();
   112             while (t.tag == ARRAY) {
   113                 dimension = dimension.append("[]");
   114                 t = ((ArrayType)t).elemtype;
   115             }
   116             return getTypeName(t, full) + dimension;
   117         case CLASS:
   118             return ClassDocImpl.getClassName((ClassSymbol)t.tsym, full);
   119         default:
   120             return t.tsym.getQualifiedName().toString();
   121         }
   122     }
   124     /**
   125      * Return the string representation of a type use.  Bounds of type
   126      * variables are not included; bounds of wildcard types are.
   127      * Class names are qualified if "full" is true.
   128      */
   129     static String getTypeString(DocEnv env, Type t, boolean full) {
   130         switch (t.tag) {
   131         case ARRAY:
   132             StringBuffer dimension = new StringBuffer();
   133             while (t.tag == ARRAY) {
   134                 dimension = dimension.append("[]");
   135                 t = env.types.elemtype(t);
   136             }
   137             return getTypeString(env, t, full) + dimension;
   138         case CLASS:
   139             return ParameterizedTypeImpl.
   140                         parameterizedTypeToString(env, (ClassType)t, full);
   141         case WILDCARD:
   142             Type.WildcardType a = (Type.WildcardType)t;
   143             return WildcardTypeImpl.wildcardTypeToString(env, a, full);
   144         default:
   145             return t.tsym.getQualifiedName().toString();
   146         }
   147     }
   149     /**
   150      * Return the formal type parameters of a class or method as an
   151      * angle-bracketed string.  Each parameter is a type variable with
   152      * optional bounds.  Class names are qualified if "full" is true.
   153      * Return "" if there are no type parameters or we're hiding generics.
   154      */
   155     static String typeParametersString(DocEnv env, Symbol sym, boolean full) {
   156         if (env.legacyDoclet || sym.type.getTypeArguments().isEmpty()) {
   157             return "";
   158         }
   159         StringBuffer s = new StringBuffer();
   160         for (Type t : sym.type.getTypeArguments()) {
   161             s.append(s.length() == 0 ? "<" : ", ");
   162             s.append(TypeVariableImpl.typeVarToString(env, (TypeVar)t, full));
   163         }
   164         s.append(">");
   165         return s.toString();
   166     }
   168     /**
   169      * Return the actual type arguments of a parameterized type as an
   170      * angle-bracketed string.  Class name are qualified if "full" is true.
   171      * Return "" if there are no type arguments or we're hiding generics.
   172      */
   173     static String typeArgumentsString(DocEnv env, ClassType cl, boolean full) {
   174         if (env.legacyDoclet || cl.getTypeArguments().isEmpty()) {
   175             return "";
   176         }
   177         StringBuffer s = new StringBuffer();
   178         for (Type t : cl.getTypeArguments()) {
   179             s.append(s.length() == 0 ? "<" : ", ");
   180             s.append(getTypeString(env, t, full));
   181         }
   182         s.append(">");
   183         return s.toString();
   184     }
   187     private static class ArrayTypeImpl implements com.sun.javadoc.Type {
   189         Type arrayType;
   191         DocEnv env;
   193         ArrayTypeImpl(DocEnv env, Type arrayType) {
   194             this.env = env;
   195             this.arrayType = arrayType;
   196         }
   198         private com.sun.javadoc.Type skipArraysCache = null;
   200         private com.sun.javadoc.Type skipArrays() {
   201             if (skipArraysCache == null) {
   202                 Type t;
   203                 for (t = arrayType; t.tag == ARRAY; t = env.types.elemtype(t)) { }
   204                 skipArraysCache = TypeMaker.getType(env, t);
   205             }
   206             return skipArraysCache;
   207         }
   209         /**
   210          * Return the type's dimension information, as a string.
   211          * <p>
   212          * For example, a two dimensional array of String returns '[][]'.
   213          */
   214         public String dimension() {
   215             StringBuffer dimension = new StringBuffer();
   216             for (Type t = arrayType; t.tag == ARRAY; t = env.types.elemtype(t)) {
   217                 dimension = dimension.append("[]");
   218             }
   219             return dimension.toString();
   220         }
   222         /**
   223          * Return unqualified name of type excluding any dimension information.
   224          * <p>
   225          * For example, a two dimensional array of String returns 'String'.
   226          */
   227         public String typeName() {
   228             return skipArrays().typeName();
   229         }
   231         /**
   232          * Return qualified name of type excluding any dimension information.
   233          *<p>
   234          * For example, a two dimensional array of String
   235          * returns 'java.lang.String'.
   236          */
   237         public String qualifiedTypeName() {
   238             return skipArrays().qualifiedTypeName();
   239         }
   241         /**
   242          * Return the simple name of this type excluding any dimension information.
   243          */
   244         public String simpleTypeName() {
   245             return skipArrays().simpleTypeName();
   246         }
   248         /**
   249          * Return this type as a class.  Array dimensions are ignored.
   250          *
   251          * @return a ClassDocImpl if the type is a Class.
   252          * Return null if it is a primitive type..
   253          */
   254         public ClassDoc asClassDoc() {
   255             return skipArrays().asClassDoc();
   256         }
   258         /**
   259          * Return this type as a <code>ParameterizedType</code> if it
   260          * represents a parameterized type.  Array dimensions are ignored.
   261          */
   262         public ParameterizedType asParameterizedType() {
   263             return skipArrays().asParameterizedType();
   264         }
   266         /**
   267          * Return this type as a <code>TypeVariable</code> if it represents
   268          * a type variable.  Array dimensions are ignored.
   269          */
   270         public TypeVariable asTypeVariable() {
   271             return skipArrays().asTypeVariable();
   272         }
   274         /**
   275          * Return null, as there are no arrays of wildcard types.
   276          */
   277         public WildcardType asWildcardType() {
   278             return null;
   279         }
   281         /**
   282          * Return this type as an <code>AnnotationTypeDoc</code> if it
   283          * represents an annotation type.  Array dimensions are ignored.
   284          */
   285         public AnnotationTypeDoc asAnnotationTypeDoc() {
   286             return skipArrays().asAnnotationTypeDoc();
   287         }
   289         /**
   290          * Return true if this is an array of a primitive type.
   291          */
   292         public boolean isPrimitive() {
   293             return skipArrays().isPrimitive();
   294         }
   296         /**
   297          * Return a string representation of the type.
   298          *
   299          * Return name of type including any dimension information.
   300          * <p>
   301          * For example, a two dimensional array of String returns
   302          * <code>String[][]</code>.
   303          *
   304          * @return name of type including any dimension information.
   305          */
   306         public String toString() {
   307             return qualifiedTypeName() + dimension();
   308         }
   309     }
   310 }

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