jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javadoc/FieldDocImpl.java@959103a6100f (annotated)

src/share/classes/com/sun/tools/javadoc/FieldDocImpl.java@959103a6100f (annotated)

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

Wed, 27 Apr 2016 01:34:52 +0800

author: aoqi
date: Wed, 27 Apr 2016 01:34:52 +0800
changeset 0: 959103a6100f
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

 /*
  * Copyright (c) 1997, 2013, 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.javadoc;
 import com.sun.source.util.TreePath;
 import java.lang.reflect.Modifier;
 import com.sun.javadoc.*;
 import com.sun.tools.javac.code.Flags;
 import com.sun.tools.javac.code.Symbol.ClassSymbol;
 import com.sun.tools.javac.code.Symbol.VarSymbol;
 import static com.sun.tools.javac.code.TypeTag.BOOLEAN;
 /**
  * Represents a field in a java class.
  *
  *  <p><b>This is NOT part of any supported API.
  *  If you write code that depends on this, you do so at your own risk.
  *  This code and its internal interfaces are subject to change or
  *  deletion without notice.</b>
  *
  * @see MemberDocImpl
  *
  * @since 1.2
  * @author Robert Field
  * @author Neal Gafter (rewrite)
  * @author Scott Seligman (generics, enums, annotations)
  */
 public class FieldDocImpl extends MemberDocImpl implements FieldDoc {
     protected final VarSymbol sym;
     /**
      * Constructor.
      */
     public FieldDocImpl(DocEnv env, VarSymbol sym, TreePath treePath) {
         super(env, sym, treePath);
         this.sym = sym;
     }
     /**
      * Constructor.
      */
     public FieldDocImpl(DocEnv env, VarSymbol sym) {
         this(env, sym, null);
     }
     /**
      * Returns the flags in terms of javac's flags
      */
     protected long getFlags() {
         return sym.flags();
     }
     /**
      * Identify the containing class
      */
     protected ClassSymbol getContainingClass() {
         return sym.enclClass();
     }
     /**
      * Get type of this field.
      */
     public com.sun.javadoc.Type type() {
         return TypeMaker.getType(env, sym.type, false);
     }
     /**
      * Get the value of a constant field.
      *
      * @return the value of a constant field. The value is
      * automatically wrapped in an object if it has a primitive type.
      * If the field is not constant, returns null.
      */
     public Object constantValue() {
         Object result = sym.getConstValue();
         if (result != null && sym.type.hasTag(BOOLEAN))
             // javac represents false and true as Integers 0 and 1
             result = Boolean.valueOf(((Integer)result).intValue() != 0);
         return result;
     }
     /**
      * Get the value of a constant field.
      *
      * @return the text of a Java language expression whose value
      * is the value of the constant. The expression uses no identifiers
      * other than primitive literals. If the field is
      * not constant, returns null.
      */
     public String constantValueExpression() {
         return constantValueExpression(constantValue());
     }
     /**
      * A static version of the above.
      */
     static String constantValueExpression(Object cb) {
         if (cb == null) return null;
         if (cb instanceof Character) return sourceForm(((Character)cb).charValue());
         if (cb instanceof Byte) return sourceForm(((Byte)cb).byteValue());
         if (cb instanceof String) return sourceForm((String)cb);
         if (cb instanceof Double) return sourceForm(((Double)cb).doubleValue(), 'd');
         if (cb instanceof Float) return sourceForm(((Float)cb).doubleValue(), 'f');
         if (cb instanceof Long) return cb + "L";
         return cb.toString(); // covers int, short
     }
         // where
         private static String sourceForm(double v, char suffix) {
             if (Double.isNaN(v))
                 return "0" + suffix + "/0" + suffix;
             if (v == Double.POSITIVE_INFINITY)
                 return "1" + suffix + "/0" + suffix;
             if (v == Double.NEGATIVE_INFINITY)
                 return "-1" + suffix + "/0" + suffix;
             return v + (suffix == 'f' || suffix == 'F' ? "" + suffix : "");
         }
         private static String sourceForm(char c) {
             StringBuilder buf = new StringBuilder(8);
             buf.append('\'');
             sourceChar(c, buf);
             buf.append('\'');
             return buf.toString();
         }
         private static String sourceForm(byte c) {
             return "0x" + Integer.toString(c & 0xff, 16);
         }
         private static String sourceForm(String s) {
             StringBuilder buf = new StringBuilder(s.length() + 5);
             buf.append('\"');
             for (int i=0; i<s.length(); i++) {
                 char c = s.charAt(i);
                 sourceChar(c, buf);
             }
             buf.append('\"');
             return buf.toString();
         }
         private static void sourceChar(char c, StringBuilder buf) {
             switch (c) {
             case '\b': buf.append("\\b"); return;
             case '\t': buf.append("\\t"); return;
             case '\n': buf.append("\\n"); return;
             case '\f': buf.append("\\f"); return;
             case '\r': buf.append("\\r"); return;
             case '\"': buf.append("\\\""); return;
             case '\'': buf.append("\\\'"); return;
             case '\\': buf.append("\\\\"); return;
             default:
                 if (isPrintableAscii(c)) {
                     buf.append(c); return;
                 }
                 unicodeEscape(c, buf);
                 return;
             }
         }
         private static void unicodeEscape(char c, StringBuilder buf) {
             final String chars = "0123456789abcdef";
             buf.append("\\u");
             buf.append(chars.charAt(15 & (c>>12)));
             buf.append(chars.charAt(15 & (c>>8)));
             buf.append(chars.charAt(15 & (c>>4)));
             buf.append(chars.charAt(15 & (c>>0)));
         }
         private static boolean isPrintableAscii(char c) {
             return c >= ' ' && c <= '~';
         }
     /**
      * Return true if this field is included in the active set.
      */
     public boolean isIncluded() {
         return containingClass().isIncluded() && env.shouldDocument(sym);
     }
     /**
      * Is this Doc item a field (but not an enum constant?
      */
     @Override
     public boolean isField() {
         return !isEnumConstant();
     }
     /**
      * Is this Doc item an enum constant?
      * (For legacy doclets, return false.)
      */
     @Override
     public boolean isEnumConstant() {
         return (getFlags() & Flags.ENUM) != 0 &&
                !env.legacyDoclet;
     }
     /**
      * Return true if this field is transient
      */
     public boolean isTransient() {
         return Modifier.isTransient(getModifiers());
     }
     /**
      * Return true if this field is volatile
      */
     public boolean isVolatile() {
         return Modifier.isVolatile(getModifiers());
     }
     /**
      * Returns true if this field was synthesized by the compiler.
      */
     public boolean isSynthetic() {
         return (getFlags() & Flags.SYNTHETIC) != 0;
     }
     /**
      * Return the serialField tags in this FieldDocImpl item.
      *
      * @return an array of <tt>SerialFieldTagImpl</tt> containing all
      *         <code>&#64;serialField</code> tags.
      */
     public SerialFieldTag[] serialFieldTags() {
         return comment().serialFieldTags();
     }
     public String name() {
         if (name == null) {
             name = sym.name.toString();
         }
         return name;
     }
     private String name;
     public String qualifiedName() {
         if (qualifiedName == null) {
             qualifiedName = sym.enclClass().getQualifiedName() + "." + name();
         }
         return qualifiedName;
     }
     private String qualifiedName;
     /**
      * Return the source position of the entity, or null if
      * no position is available.
      */
     @Override
     public SourcePosition position() {
         if (sym.enclClass().sourcefile == null) return null;
         return SourcePositionImpl.make(sym.enclClass().sourcefile,
                                        (tree==null) ? 0 : tree.pos,
                                        lineMap);
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javadoc/FieldDocImpl.java@959103a6100f (annotated)

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