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

Tue, 24 Dec 2013 09:17:37 -0800

author
ksrini
date
Tue, 24 Dec 2013 09:17:37 -0800
changeset 2227
998b10c43157
parent 1755
ddb4a2bfcd82
child 2525
2eb010b6cb22
permissions
-rw-r--r--

8029230: Update copyright year to match last edit in jdk8 langtools repository for 2013
Reviewed-by: ksrini
Contributed-by: steve.sides@oracle.com

duke@1 1 /*
jjg@1521 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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
ohair@554 7 * published by the Free Software Foundation. Oracle designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
ohair@554 9 * by Oracle 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 *
ohair@554 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554 22 * or visit www.oracle.com if you need additional information or have any
ohair@554 23 * questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.javadoc;
duke@1 27
jjg@197 28 import java.lang.reflect.Modifier;
jjg@197 29 import java.text.CollationKey;
jjg@197 30
duke@1 31 import com.sun.javadoc.*;
duke@1 32
jjg@1443 33 import com.sun.source.util.TreePath;
jjg@197 34 import com.sun.tools.javac.code.Flags;
jjg@197 35 import com.sun.tools.javac.code.Symbol.*;
jjg@197 36 import com.sun.tools.javac.code.Type;
duke@1 37 import com.sun.tools.javac.util.List;
duke@1 38 import com.sun.tools.javac.util.ListBuffer;
duke@1 39
duke@1 40 /**
duke@1 41 * Represents a method or constructor of a java class.
duke@1 42 *
jjg@1359 43 * <p><b>This is NOT part of any supported API.
jjg@1359 44 * If you write code that depends on this, you do so at your own risk.
jjg@1359 45 * This code and its internal interfaces are subject to change or
jjg@1359 46 * deletion without notice.</b>
jjg@1359 47 *
duke@1 48 * @since 1.2
duke@1 49 * @author Robert Field
duke@1 50 * @author Neal Gafter (rewrite)
duke@1 51 * @author Scott Seligman (generics, annotations)
duke@1 52 */
duke@1 53
duke@1 54 public abstract class ExecutableMemberDocImpl
duke@1 55 extends MemberDocImpl implements ExecutableMemberDoc {
duke@1 56
duke@1 57 protected final MethodSymbol sym;
duke@1 58
duke@1 59 /**
duke@1 60 * Constructor.
duke@1 61 */
jjg@1443 62 public ExecutableMemberDocImpl(DocEnv env, MethodSymbol sym, TreePath treePath) {
jjg@1443 63 super(env, sym, treePath);
duke@1 64 this.sym = sym;
duke@1 65 }
duke@1 66
duke@1 67 /**
duke@1 68 * Constructor.
duke@1 69 */
duke@1 70 public ExecutableMemberDocImpl(DocEnv env, MethodSymbol sym) {
jjg@1443 71 this(env, sym, null);
duke@1 72 }
duke@1 73
duke@1 74 /**
duke@1 75 * Returns the flags in terms of javac's flags
duke@1 76 */
duke@1 77 protected long getFlags() {
duke@1 78 return sym.flags();
duke@1 79 }
duke@1 80
duke@1 81 /**
duke@1 82 * Identify the containing class
duke@1 83 */
duke@1 84 protected ClassSymbol getContainingClass() {
duke@1 85 return sym.enclClass();
duke@1 86 }
duke@1 87
duke@1 88 /**
duke@1 89 * Return true if this method is native
duke@1 90 */
duke@1 91 public boolean isNative() {
duke@1 92 return Modifier.isNative(getModifiers());
duke@1 93 }
duke@1 94
duke@1 95 /**
duke@1 96 * Return true if this method is synchronized
duke@1 97 */
duke@1 98 public boolean isSynchronized() {
duke@1 99 return Modifier.isSynchronized(getModifiers());
duke@1 100 }
duke@1 101
duke@1 102 /**
duke@1 103 * Return true if this method was declared to take a variable number
duke@1 104 * of arguments.
duke@1 105 */
duke@1 106 public boolean isVarArgs() {
duke@1 107 return ((sym.flags() & Flags.VARARGS) != 0
duke@1 108 && !env.legacyDoclet);
duke@1 109 }
duke@1 110
duke@1 111 /**
duke@1 112 * Returns true if this field was synthesized by the compiler.
duke@1 113 */
duke@1 114 public boolean isSynthetic() {
duke@1 115 return ((sym.flags() & Flags.SYNTHETIC) != 0);
duke@1 116 }
duke@1 117
duke@1 118 public boolean isIncluded() {
duke@1 119 return containingClass().isIncluded() && env.shouldDocument(sym);
duke@1 120 }
duke@1 121
duke@1 122 /**
duke@1 123 * Return the throws tags in this method.
duke@1 124 *
duke@1 125 * @return an array of ThrowTagImpl containing all {@code @exception}
duke@1 126 * and {@code @throws} tags.
duke@1 127 */
duke@1 128 public ThrowsTag[] throwsTags() {
duke@1 129 return comment().throwsTags();
duke@1 130 }
duke@1 131
duke@1 132 /**
duke@1 133 * Return the param tags in this method, excluding the type
duke@1 134 * parameter tags.
duke@1 135 *
duke@1 136 * @return an array of ParamTagImpl containing all {@code @param} tags.
duke@1 137 */
duke@1 138 public ParamTag[] paramTags() {
duke@1 139 return comment().paramTags();
duke@1 140 }
duke@1 141
duke@1 142 /**
duke@1 143 * Return the type parameter tags in this method.
duke@1 144 */
duke@1 145 public ParamTag[] typeParamTags() {
duke@1 146 return env.legacyDoclet
duke@1 147 ? new ParamTag[0]
duke@1 148 : comment().typeParamTags();
duke@1 149 }
duke@1 150
duke@1 151 /**
duke@1 152 * Return exceptions this method or constructor throws.
duke@1 153 *
duke@1 154 * @return an array of ClassDoc[] representing the exceptions
duke@1 155 * thrown by this method.
duke@1 156 */
duke@1 157 public ClassDoc[] thrownExceptions() {
duke@1 158 ListBuffer<ClassDocImpl> l = new ListBuffer<ClassDocImpl>();
duke@1 159 for (Type ex : sym.type.getThrownTypes()) {
duke@1 160 ex = env.types.erasure(ex);
duke@1 161 //### Will these casts succeed in the face of static semantic
duke@1 162 //### errors in the documented code?
duke@1 163 ClassDocImpl cdi = env.getClassDoc((ClassSymbol)ex.tsym);
duke@1 164 if (cdi != null) l.append(cdi);
duke@1 165 }
duke@1 166 return l.toArray(new ClassDocImpl[l.length()]);
duke@1 167 }
duke@1 168
duke@1 169 /**
duke@1 170 * Return exceptions this method or constructor throws.
duke@1 171 * Each array element is either a <code>ClassDoc</code> or a
duke@1 172 * <code>TypeVariable</code>.
duke@1 173 */
duke@1 174 public com.sun.javadoc.Type[] thrownExceptionTypes() {
duke@1 175 return TypeMaker.getTypes(env, sym.type.getThrownTypes());
duke@1 176 }
duke@1 177
duke@1 178 /**
duke@1 179 * Get argument information.
duke@1 180 *
duke@1 181 * @see ParameterImpl
duke@1 182 *
duke@1 183 * @return an array of ParameterImpl, one element per argument
duke@1 184 * in the order the arguments are present.
duke@1 185 */
duke@1 186 public Parameter[] parameters() {
duke@1 187 // generate the parameters on the fly: they're not cached
duke@1 188 List<VarSymbol> params = sym.params();
duke@1 189 Parameter result[] = new Parameter[params.length()];
duke@1 190
duke@1 191 int i = 0;
duke@1 192 for (VarSymbol param : params) {
duke@1 193 result[i++] = new ParameterImpl(env, param);
duke@1 194 }
duke@1 195 return result;
duke@1 196 }
duke@1 197
bpatel@1686 198 /**
bpatel@1686 199 * Get the receiver type of this executable element.
bpatel@1686 200 *
bpatel@1686 201 * @return the receiver type of this executable element.
bpatel@1686 202 * @since 1.8
bpatel@1686 203 */
bpatel@1686 204 public com.sun.javadoc.Type receiverType() {
bpatel@1686 205 Type recvtype = sym.type.asMethodType().recvtype;
bpatel@1686 206 return (recvtype != null) ? TypeMaker.getType(env, recvtype, false, true) : null;
bpatel@1686 207 }
bpatel@1686 208
duke@1 209 /**
duke@1 210 * Return the formal type parameters of this method or constructor.
duke@1 211 * Return an empty array if there are none.
duke@1 212 */
duke@1 213 public TypeVariable[] typeParameters() {
duke@1 214 if (env.legacyDoclet) {
duke@1 215 return new TypeVariable[0];
duke@1 216 }
duke@1 217 TypeVariable res[] = new TypeVariable[sym.type.getTypeArguments().length()];
duke@1 218 TypeMaker.getTypes(env, sym.type.getTypeArguments(), res);
duke@1 219 return res;
duke@1 220 }
duke@1 221
duke@1 222 /**
duke@1 223 * Get the signature. It is the parameter list, type is qualified.
duke@1 224 * For instance, for a method <code>mymethod(String x, int y)</code>,
duke@1 225 * it will return <code>(java.lang.String,int)</code>.
duke@1 226 */
duke@1 227 public String signature() {
duke@1 228 return makeSignature(true);
duke@1 229 }
duke@1 230
duke@1 231 /**
duke@1 232 * Get flat signature. All types are not qualified.
duke@1 233 * Return a String, which is the flat signiture of this member.
duke@1 234 * It is the parameter list, type is not qualified.
duke@1 235 * For instance, for a method <code>mymethod(String x, int y)</code>,
duke@1 236 * it will return <code>(String, int)</code>.
duke@1 237 */
duke@1 238 public String flatSignature() {
duke@1 239 return makeSignature(false);
duke@1 240 }
duke@1 241
duke@1 242 private String makeSignature(boolean full) {
jjg@910 243 StringBuilder result = new StringBuilder();
duke@1 244 result.append("(");
duke@1 245 for (List<Type> types = sym.type.getParameterTypes(); types.nonEmpty(); ) {
jjg@74 246 Type t = types.head;
duke@1 247 result.append(TypeMaker.getTypeString(env, t, full));
duke@1 248 types = types.tail;
duke@1 249 if (types.nonEmpty()) {
duke@1 250 result.append(", ");
duke@1 251 }
duke@1 252 }
duke@1 253 if (isVarArgs()) {
duke@1 254 int len = result.length();
duke@1 255 result.replace(len - 2, len, "...");
duke@1 256 }
duke@1 257 result.append(")");
duke@1 258 return result.toString();
duke@1 259 }
duke@1 260
duke@1 261 protected String typeParametersString() {
duke@1 262 return TypeMaker.typeParametersString(env, sym, true);
duke@1 263 }
duke@1 264
duke@1 265 /**
duke@1 266 * Generate a key for sorting.
duke@1 267 */
jjg@910 268 @Override
duke@1 269 CollationKey generateKey() {
duke@1 270 String k = name() + flatSignature() + typeParametersString();
duke@1 271 // ',' and '&' are between '$' and 'a': normalize to spaces.
duke@1 272 k = k.replace(',', ' ').replace('&', ' ');
duke@1 273 // System.out.println("COLLATION KEY FOR " + this + " is \"" + k + "\"");
duke@1 274 return env.doclocale.collator.getCollationKey(k);
duke@1 275 }
duke@1 276
duke@1 277 /**
duke@1 278 * Return the source position of the entity, or null if
duke@1 279 * no position is available.
duke@1 280 */
jjg@910 281 @Override
duke@1 282 public SourcePosition position() {
duke@1 283 if (sym.enclClass().sourcefile == null) return null;
jjg@197 284 return SourcePositionImpl.make(sym.enclClass().sourcefile,
duke@1 285 (tree==null) ? 0 : tree.pos,
duke@1 286 lineMap);
duke@1 287 }
duke@1 288 }

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