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
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duke@1 1 /*
duke@1 2 * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation. Sun designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
duke@1 9 * by Sun in the LICENSE file that accompanied this code.
duke@1 10 *
duke@1 11 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 14 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 15 * accompanied this code).
duke@1 16 *
duke@1 17 * You should have received a copy of the GNU General Public License version
duke@1 18 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 20 *
duke@1 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1 22 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1 23 * have any questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.javadoc;
duke@1 27
duke@1 28 import com.sun.javadoc.*;
duke@1 29
duke@1 30 import static com.sun.javadoc.LanguageVersion.*;
duke@1 31
duke@1 32 import com.sun.tools.javac.code.Symbol;
duke@1 33 import com.sun.tools.javac.code.Symbol.ClassSymbol;
duke@1 34 import com.sun.tools.javac.code.Type;
duke@1 35 import com.sun.tools.javac.code.Type.ClassType;
duke@1 36 import com.sun.tools.javac.code.Type.TypeVar;
duke@1 37 import com.sun.tools.javac.code.Type.ArrayType;
duke@1 38 import com.sun.tools.javac.code.Types;
duke@1 39 import com.sun.tools.javac.util.List;
duke@1 40
duke@1 41 import static com.sun.tools.javac.code.TypeTags.*;
duke@1 42
duke@1 43
duke@1 44 public class TypeMaker {
duke@1 45
duke@1 46 public static com.sun.javadoc.Type getType(DocEnv env, Type t) {
duke@1 47 return getType(env, t, true);
duke@1 48 }
duke@1 49
duke@1 50 /**
duke@1 51 * @param errToClassDoc if true, ERROR type results in a ClassDoc;
duke@1 52 * false preserves legacy behavior
duke@1 53 */
duke@1 54 public static com.sun.javadoc.Type getType(DocEnv env, Type t,
duke@1 55 boolean errToClassDoc) {
duke@1 56 if (env.legacyDoclet) {
duke@1 57 t = env.types.erasure(t);
duke@1 58 }
duke@1 59 switch (t.tag) {
duke@1 60 case CLASS:
duke@1 61 if (ClassDocImpl.isGeneric((ClassSymbol)t.tsym)) {
duke@1 62 return env.getParameterizedType((ClassType)t);
duke@1 63 } else {
duke@1 64 return env.getClassDoc((ClassSymbol)t.tsym);
duke@1 65 }
duke@1 66 case WILDCARD:
duke@1 67 Type.WildcardType a = (Type.WildcardType)t;
duke@1 68 return new WildcardTypeImpl(env, a);
duke@1 69 case TYPEVAR: return new TypeVariableImpl(env, (TypeVar)t);
duke@1 70 case ARRAY: return new ArrayTypeImpl(env, t);
duke@1 71 case BYTE: return PrimitiveType.byteType;
duke@1 72 case CHAR: return PrimitiveType.charType;
duke@1 73 case SHORT: return PrimitiveType.shortType;
duke@1 74 case INT: return PrimitiveType.intType;
duke@1 75 case LONG: return PrimitiveType.longType;
duke@1 76 case FLOAT: return PrimitiveType.floatType;
duke@1 77 case DOUBLE: return PrimitiveType.doubleType;
duke@1 78 case BOOLEAN: return PrimitiveType.booleanType;
duke@1 79 case VOID: return PrimitiveType.voidType;
duke@1 80 case ERROR:
duke@1 81 if (errToClassDoc)
duke@1 82 return env.getClassDoc((ClassSymbol)t.tsym);
duke@1 83 // FALLTHRU
duke@1 84 default:
duke@1 85 return new PrimitiveType(t.tsym.getQualifiedName().toString());
duke@1 86 }
duke@1 87 }
duke@1 88
duke@1 89 /**
duke@1 90 * Convert a list of javac types into an array of javadoc types.
duke@1 91 */
duke@1 92 public static com.sun.javadoc.Type[] getTypes(DocEnv env, List<Type> ts) {
duke@1 93 return getTypes(env, ts, new com.sun.javadoc.Type[ts.length()]);
duke@1 94 }
duke@1 95
duke@1 96 /**
duke@1 97 * Like the above version, but use and return the array given.
duke@1 98 */
duke@1 99 public static com.sun.javadoc.Type[] getTypes(DocEnv env, List<Type> ts,
duke@1 100 com.sun.javadoc.Type res[]) {
duke@1 101 int i = 0;
duke@1 102 for (Type t : ts) {
duke@1 103 res[i++] = getType(env, t);
duke@1 104 }
duke@1 105 return res;
duke@1 106 }
duke@1 107
duke@1 108 public static String getTypeName(Type t, boolean full) {
duke@1 109 switch (t.tag) {
duke@1 110 case ARRAY:
duke@1 111 StringBuffer dimension = new StringBuffer();
duke@1 112 while (t.tag == ARRAY) {
duke@1 113 dimension = dimension.append("[]");
duke@1 114 t = ((ArrayType)t).elemtype;
duke@1 115 }
duke@1 116 return getTypeName(t, full) + dimension;
duke@1 117 case CLASS:
duke@1 118 return ClassDocImpl.getClassName((ClassSymbol)t.tsym, full);
duke@1 119 default:
duke@1 120 return t.tsym.getQualifiedName().toString();
duke@1 121 }
duke@1 122 }
duke@1 123
duke@1 124 /**
duke@1 125 * Return the string representation of a type use. Bounds of type
duke@1 126 * variables are not included; bounds of wildcard types are.
duke@1 127 * Class names are qualified if "full" is true.
duke@1 128 */
duke@1 129 static String getTypeString(DocEnv env, Type t, boolean full) {
duke@1 130 switch (t.tag) {
duke@1 131 case ARRAY:
duke@1 132 StringBuffer dimension = new StringBuffer();
duke@1 133 while (t.tag == ARRAY) {
duke@1 134 dimension = dimension.append("[]");
duke@1 135 t = env.types.elemtype(t);
duke@1 136 }
duke@1 137 return getTypeString(env, t, full) + dimension;
duke@1 138 case CLASS:
duke@1 139 return ParameterizedTypeImpl.
duke@1 140 parameterizedTypeToString(env, (ClassType)t, full);
duke@1 141 case WILDCARD:
duke@1 142 Type.WildcardType a = (Type.WildcardType)t;
duke@1 143 return WildcardTypeImpl.wildcardTypeToString(env, a, full);
duke@1 144 default:
duke@1 145 return t.tsym.getQualifiedName().toString();
duke@1 146 }
duke@1 147 }
duke@1 148
duke@1 149 /**
duke@1 150 * Return the formal type parameters of a class or method as an
duke@1 151 * angle-bracketed string. Each parameter is a type variable with
duke@1 152 * optional bounds. Class names are qualified if "full" is true.
duke@1 153 * Return "" if there are no type parameters or we're hiding generics.
duke@1 154 */
duke@1 155 static String typeParametersString(DocEnv env, Symbol sym, boolean full) {
duke@1 156 if (env.legacyDoclet || sym.type.getTypeArguments().isEmpty()) {
duke@1 157 return "";
duke@1 158 }
duke@1 159 StringBuffer s = new StringBuffer();
duke@1 160 for (Type t : sym.type.getTypeArguments()) {
duke@1 161 s.append(s.length() == 0 ? "<" : ", ");
duke@1 162 s.append(TypeVariableImpl.typeVarToString(env, (TypeVar)t, full));
duke@1 163 }
duke@1 164 s.append(">");
duke@1 165 return s.toString();
duke@1 166 }
duke@1 167
duke@1 168 /**
duke@1 169 * Return the actual type arguments of a parameterized type as an
duke@1 170 * angle-bracketed string. Class name are qualified if "full" is true.
duke@1 171 * Return "" if there are no type arguments or we're hiding generics.
duke@1 172 */
duke@1 173 static String typeArgumentsString(DocEnv env, ClassType cl, boolean full) {
duke@1 174 if (env.legacyDoclet || cl.getTypeArguments().isEmpty()) {
duke@1 175 return "";
duke@1 176 }
duke@1 177 StringBuffer s = new StringBuffer();
duke@1 178 for (Type t : cl.getTypeArguments()) {
duke@1 179 s.append(s.length() == 0 ? "<" : ", ");
duke@1 180 s.append(getTypeString(env, t, full));
duke@1 181 }
duke@1 182 s.append(">");
duke@1 183 return s.toString();
duke@1 184 }
duke@1 185
duke@1 186
duke@1 187 private static class ArrayTypeImpl implements com.sun.javadoc.Type {
duke@1 188
duke@1 189 Type arrayType;
duke@1 190
duke@1 191 DocEnv env;
duke@1 192
duke@1 193 ArrayTypeImpl(DocEnv env, Type arrayType) {
duke@1 194 this.env = env;
duke@1 195 this.arrayType = arrayType;
duke@1 196 }
duke@1 197
duke@1 198 private com.sun.javadoc.Type skipArraysCache = null;
duke@1 199
duke@1 200 private com.sun.javadoc.Type skipArrays() {
duke@1 201 if (skipArraysCache == null) {
duke@1 202 Type t;
duke@1 203 for (t = arrayType; t.tag == ARRAY; t = env.types.elemtype(t)) { }
duke@1 204 skipArraysCache = TypeMaker.getType(env, t);
duke@1 205 }
duke@1 206 return skipArraysCache;
duke@1 207 }
duke@1 208
duke@1 209 /**
duke@1 210 * Return the type's dimension information, as a string.
duke@1 211 * <p>
duke@1 212 * For example, a two dimensional array of String returns '[][]'.
duke@1 213 */
duke@1 214 public String dimension() {
duke@1 215 StringBuffer dimension = new StringBuffer();
duke@1 216 for (Type t = arrayType; t.tag == ARRAY; t = env.types.elemtype(t)) {
duke@1 217 dimension = dimension.append("[]");
duke@1 218 }
duke@1 219 return dimension.toString();
duke@1 220 }
duke@1 221
duke@1 222 /**
duke@1 223 * Return unqualified name of type excluding any dimension information.
duke@1 224 * <p>
duke@1 225 * For example, a two dimensional array of String returns 'String'.
duke@1 226 */
duke@1 227 public String typeName() {
duke@1 228 return skipArrays().typeName();
duke@1 229 }
duke@1 230
duke@1 231 /**
duke@1 232 * Return qualified name of type excluding any dimension information.
duke@1 233 *<p>
duke@1 234 * For example, a two dimensional array of String
duke@1 235 * returns 'java.lang.String'.
duke@1 236 */
duke@1 237 public String qualifiedTypeName() {
duke@1 238 return skipArrays().qualifiedTypeName();
duke@1 239 }
duke@1 240
duke@1 241 /**
duke@1 242 * Return the simple name of this type excluding any dimension information.
duke@1 243 */
duke@1 244 public String simpleTypeName() {
duke@1 245 return skipArrays().simpleTypeName();
duke@1 246 }
duke@1 247
duke@1 248 /**
duke@1 249 * Return this type as a class. Array dimensions are ignored.
duke@1 250 *
duke@1 251 * @return a ClassDocImpl if the type is a Class.
duke@1 252 * Return null if it is a primitive type..
duke@1 253 */
duke@1 254 public ClassDoc asClassDoc() {
duke@1 255 return skipArrays().asClassDoc();
duke@1 256 }
duke@1 257
duke@1 258 /**
duke@1 259 * Return this type as a <code>ParameterizedType</code> if it
duke@1 260 * represents a parameterized type. Array dimensions are ignored.
duke@1 261 */
duke@1 262 public ParameterizedType asParameterizedType() {
duke@1 263 return skipArrays().asParameterizedType();
duke@1 264 }
duke@1 265
duke@1 266 /**
duke@1 267 * Return this type as a <code>TypeVariable</code> if it represents
duke@1 268 * a type variable. Array dimensions are ignored.
duke@1 269 */
duke@1 270 public TypeVariable asTypeVariable() {
duke@1 271 return skipArrays().asTypeVariable();
duke@1 272 }
duke@1 273
duke@1 274 /**
duke@1 275 * Return null, as there are no arrays of wildcard types.
duke@1 276 */
duke@1 277 public WildcardType asWildcardType() {
duke@1 278 return null;
duke@1 279 }
duke@1 280
duke@1 281 /**
duke@1 282 * Return this type as an <code>AnnotationTypeDoc</code> if it
duke@1 283 * represents an annotation type. Array dimensions are ignored.
duke@1 284 */
duke@1 285 public AnnotationTypeDoc asAnnotationTypeDoc() {
duke@1 286 return skipArrays().asAnnotationTypeDoc();
duke@1 287 }
duke@1 288
duke@1 289 /**
duke@1 290 * Return true if this is an array of a primitive type.
duke@1 291 */
duke@1 292 public boolean isPrimitive() {
duke@1 293 return skipArrays().isPrimitive();
duke@1 294 }
duke@1 295
duke@1 296 /**
duke@1 297 * Return a string representation of the type.
duke@1 298 *
duke@1 299 * Return name of type including any dimension information.
duke@1 300 * <p>
duke@1 301 * For example, a two dimensional array of String returns
duke@1 302 * <code>String[][]</code>.
duke@1 303 *
duke@1 304 * @return name of type including any dimension information.
duke@1 305 */
duke@1 306 public String toString() {
duke@1 307 return qualifiedTypeName() + dimension();
duke@1 308 }
duke@1 309 }
duke@1 310 }

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