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

Tue, 25 May 2010 15:54:51 -0700

author
ohair
date
Tue, 25 May 2010 15:54:51 -0700
changeset 554
9d9f26857129
parent 229
03bcd66bd8e7
child 910
ebf7c13df6c0
permissions
-rw-r--r--

6943119: Rebrand source copyright notices
Reviewed-by: darcy

duke@1 1 /*
ohair@554 2 * Copyright (c) 1997, 2009, 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@197 33 import com.sun.tools.javac.code.Flags;
jjg@197 34 import com.sun.tools.javac.code.Symbol.*;
jjg@197 35 import com.sun.tools.javac.code.Type;
jjg@197 36 import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
duke@1 37 import com.sun.tools.javac.util.List;
duke@1 38 import com.sun.tools.javac.util.ListBuffer;
duke@1 39 import com.sun.tools.javac.util.Position;
duke@1 40
duke@1 41 /**
duke@1 42 * Represents a method or constructor of a java class.
duke@1 43 *
duke@1 44 * @since 1.2
duke@1 45 * @author Robert Field
duke@1 46 * @author Neal Gafter (rewrite)
duke@1 47 * @author Scott Seligman (generics, annotations)
duke@1 48 */
duke@1 49
duke@1 50 public abstract class ExecutableMemberDocImpl
duke@1 51 extends MemberDocImpl implements ExecutableMemberDoc {
duke@1 52
duke@1 53 protected final MethodSymbol sym;
duke@1 54
duke@1 55 /**
duke@1 56 * Constructor.
duke@1 57 */
duke@1 58 public ExecutableMemberDocImpl(DocEnv env, MethodSymbol sym,
duke@1 59 String rawDocs, JCMethodDecl tree, Position.LineMap lineMap) {
duke@1 60 super(env, sym, rawDocs, tree, lineMap);
duke@1 61 this.sym = sym;
duke@1 62 }
duke@1 63
duke@1 64 /**
duke@1 65 * Constructor.
duke@1 66 */
duke@1 67 public ExecutableMemberDocImpl(DocEnv env, MethodSymbol sym) {
duke@1 68 this(env, sym, null, null, null);
duke@1 69 }
duke@1 70
duke@1 71 /**
duke@1 72 * Returns the flags in terms of javac's flags
duke@1 73 */
duke@1 74 protected long getFlags() {
duke@1 75 return sym.flags();
duke@1 76 }
duke@1 77
duke@1 78 /**
duke@1 79 * Identify the containing class
duke@1 80 */
duke@1 81 protected ClassSymbol getContainingClass() {
duke@1 82 return sym.enclClass();
duke@1 83 }
duke@1 84
duke@1 85 /**
duke@1 86 * Return true if this method is native
duke@1 87 */
duke@1 88 public boolean isNative() {
duke@1 89 return Modifier.isNative(getModifiers());
duke@1 90 }
duke@1 91
duke@1 92 /**
duke@1 93 * Return true if this method is synchronized
duke@1 94 */
duke@1 95 public boolean isSynchronized() {
duke@1 96 return Modifier.isSynchronized(getModifiers());
duke@1 97 }
duke@1 98
duke@1 99 /**
duke@1 100 * Return true if this method was declared to take a variable number
duke@1 101 * of arguments.
duke@1 102 */
duke@1 103 public boolean isVarArgs() {
duke@1 104 return ((sym.flags() & Flags.VARARGS) != 0
duke@1 105 && !env.legacyDoclet);
duke@1 106 }
duke@1 107
duke@1 108 /**
duke@1 109 * Returns true if this field was synthesized by the compiler.
duke@1 110 */
duke@1 111 public boolean isSynthetic() {
duke@1 112 return ((sym.flags() & Flags.SYNTHETIC) != 0);
duke@1 113 }
duke@1 114
duke@1 115 public boolean isIncluded() {
duke@1 116 return containingClass().isIncluded() && env.shouldDocument(sym);
duke@1 117 }
duke@1 118
duke@1 119 /**
duke@1 120 * Return the throws tags in this method.
duke@1 121 *
duke@1 122 * @return an array of ThrowTagImpl containing all {@code @exception}
duke@1 123 * and {@code @throws} tags.
duke@1 124 */
duke@1 125 public ThrowsTag[] throwsTags() {
duke@1 126 return comment().throwsTags();
duke@1 127 }
duke@1 128
duke@1 129 /**
duke@1 130 * Return the param tags in this method, excluding the type
duke@1 131 * parameter tags.
duke@1 132 *
duke@1 133 * @return an array of ParamTagImpl containing all {@code @param} tags.
duke@1 134 */
duke@1 135 public ParamTag[] paramTags() {
duke@1 136 return comment().paramTags();
duke@1 137 }
duke@1 138
duke@1 139 /**
duke@1 140 * Return the type parameter tags in this method.
duke@1 141 */
duke@1 142 public ParamTag[] typeParamTags() {
duke@1 143 return env.legacyDoclet
duke@1 144 ? new ParamTag[0]
duke@1 145 : comment().typeParamTags();
duke@1 146 }
duke@1 147
duke@1 148 /**
duke@1 149 * Return exceptions this method or constructor throws.
duke@1 150 *
duke@1 151 * @return an array of ClassDoc[] representing the exceptions
duke@1 152 * thrown by this method.
duke@1 153 */
duke@1 154 public ClassDoc[] thrownExceptions() {
duke@1 155 ListBuffer<ClassDocImpl> l = new ListBuffer<ClassDocImpl>();
duke@1 156 for (Type ex : sym.type.getThrownTypes()) {
duke@1 157 ex = env.types.erasure(ex);
duke@1 158 //### Will these casts succeed in the face of static semantic
duke@1 159 //### errors in the documented code?
duke@1 160 ClassDocImpl cdi = env.getClassDoc((ClassSymbol)ex.tsym);
duke@1 161 if (cdi != null) l.append(cdi);
duke@1 162 }
duke@1 163 return l.toArray(new ClassDocImpl[l.length()]);
duke@1 164 }
duke@1 165
duke@1 166 /**
duke@1 167 * Return exceptions this method or constructor throws.
duke@1 168 * Each array element is either a <code>ClassDoc</code> or a
duke@1 169 * <code>TypeVariable</code>.
duke@1 170 */
duke@1 171 public com.sun.javadoc.Type[] thrownExceptionTypes() {
duke@1 172 return TypeMaker.getTypes(env, sym.type.getThrownTypes());
duke@1 173 }
duke@1 174
duke@1 175 /**
duke@1 176 * Get argument information.
duke@1 177 *
duke@1 178 * @see ParameterImpl
duke@1 179 *
duke@1 180 * @return an array of ParameterImpl, one element per argument
duke@1 181 * in the order the arguments are present.
duke@1 182 */
duke@1 183 public Parameter[] parameters() {
duke@1 184 // generate the parameters on the fly: they're not cached
duke@1 185 List<VarSymbol> params = sym.params();
duke@1 186 Parameter result[] = new Parameter[params.length()];
duke@1 187
duke@1 188 int i = 0;
duke@1 189 for (VarSymbol param : params) {
duke@1 190 result[i++] = new ParameterImpl(env, param);
duke@1 191 }
duke@1 192 return result;
duke@1 193 }
duke@1 194
duke@1 195 /**
duke@1 196 * Return the formal type parameters of this method or constructor.
duke@1 197 * Return an empty array if there are none.
duke@1 198 */
duke@1 199 public TypeVariable[] typeParameters() {
duke@1 200 if (env.legacyDoclet) {
duke@1 201 return new TypeVariable[0];
duke@1 202 }
duke@1 203 TypeVariable res[] = new TypeVariable[sym.type.getTypeArguments().length()];
duke@1 204 TypeMaker.getTypes(env, sym.type.getTypeArguments(), res);
duke@1 205 return res;
duke@1 206 }
duke@1 207
duke@1 208 /**
duke@1 209 * Get the signature. It is the parameter list, type is qualified.
duke@1 210 * For instance, for a method <code>mymethod(String x, int y)</code>,
duke@1 211 * it will return <code>(java.lang.String,int)</code>.
duke@1 212 */
duke@1 213 public String signature() {
duke@1 214 return makeSignature(true);
duke@1 215 }
duke@1 216
duke@1 217 /**
duke@1 218 * Get flat signature. All types are not qualified.
duke@1 219 * Return a String, which is the flat signiture of this member.
duke@1 220 * It is the parameter list, type is not qualified.
duke@1 221 * For instance, for a method <code>mymethod(String x, int y)</code>,
duke@1 222 * it will return <code>(String, int)</code>.
duke@1 223 */
duke@1 224 public String flatSignature() {
duke@1 225 return makeSignature(false);
duke@1 226 }
duke@1 227
duke@1 228 private String makeSignature(boolean full) {
duke@1 229 StringBuffer result = new StringBuffer();
duke@1 230 result.append("(");
duke@1 231 for (List<Type> types = sym.type.getParameterTypes(); types.nonEmpty(); ) {
jjg@74 232 Type t = types.head;
duke@1 233 result.append(TypeMaker.getTypeString(env, t, full));
duke@1 234 types = types.tail;
duke@1 235 if (types.nonEmpty()) {
duke@1 236 result.append(", ");
duke@1 237 }
duke@1 238 }
duke@1 239 if (isVarArgs()) {
duke@1 240 int len = result.length();
duke@1 241 result.replace(len - 2, len, "...");
duke@1 242 }
duke@1 243 result.append(")");
duke@1 244 return result.toString();
duke@1 245 }
duke@1 246
duke@1 247 protected String typeParametersString() {
duke@1 248 return TypeMaker.typeParametersString(env, sym, true);
duke@1 249 }
duke@1 250
duke@1 251 /**
duke@1 252 * Generate a key for sorting.
duke@1 253 */
duke@1 254 CollationKey generateKey() {
duke@1 255 String k = name() + flatSignature() + typeParametersString();
duke@1 256 // ',' and '&' are between '$' and 'a': normalize to spaces.
duke@1 257 k = k.replace(',', ' ').replace('&', ' ');
duke@1 258 // System.out.println("COLLATION KEY FOR " + this + " is \"" + k + "\"");
duke@1 259 return env.doclocale.collator.getCollationKey(k);
duke@1 260 }
duke@1 261
duke@1 262 /**
duke@1 263 * Return the source position of the entity, or null if
duke@1 264 * no position is available.
duke@1 265 */
duke@1 266 public SourcePosition position() {
duke@1 267 if (sym.enclClass().sourcefile == null) return null;
jjg@197 268 return SourcePositionImpl.make(sym.enclClass().sourcefile,
duke@1 269 (tree==null) ? 0 : tree.pos,
duke@1 270 lineMap);
duke@1 271 }
duke@1 272 }

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