7064544: (javadoc) miscellaneous fixes requested by netbeans

Summary: Contributed by netbeans team, modified to suit by the langtools team.
Reviewed-by: jjg, bpatel

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

@@ -744,17 +744,16 @@ public class ClassDocImpl extends ProgramElementDocImpl implements ClassDoc {
         // search inner classes
         //### Add private entry point to avoid creating array?
         //### Replicate code in innerClasses here to avoid consing?
-        ClassDoc innerClasses[] = innerClasses();
-        for (int i = 0; i < innerClasses.length; i++) {
-            if (innerClasses[i].name().equals(className) ||
-                //### This is from original javadoc but it looks suspicious to me...
-                //### I believe it is attempting to compensate for the confused
-                //### convention of including the nested class qualifiers in the
-                //### 'name' of the inner class, rather than the true simple name.
-                innerClasses[i].name().endsWith(className)) {
-                return innerClasses[i];
+        for (ClassDoc icd : innerClasses()) {
+            if (icd.name().equals(className) ||
+                    //### This is from original javadoc but it looks suspicious to me...
+                    //### I believe it is attempting to compensate for the confused
+                    //### convention of including the nested class qualifiers in the
+                    //### 'name' of the inner class, rather than the true simple name.
+                    icd.name().endsWith("." + className)) {
+                return icd;
             } else {
-                ClassDoc innercd = ((ClassDocImpl) innerClasses[i]).searchClass(className);
+                ClassDoc innercd = ((ClassDocImpl) icd).searchClass(className);
                 if (innercd != null) {
                     return innercd;
                 }

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

 /*
- * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, 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
@@ -25,10 +25,7 @@
 
 package com.sun.tools.javadoc;
 
-import java.util.Locale;
-
 import com.sun.javadoc.*;
-
 import com.sun.tools.javac.util.ListBuffer;
 
 /**
@@ -115,7 +112,7 @@ class Comment {
                                 state = TAG_NAME;
                             }
                             break;
-                    };
+                    }
                     if (ch == '\n') {
                         newLine = true;
                     } else if (!isWhite) {
@@ -134,7 +131,7 @@ class Comment {
                     case IN_TEXT:
                         parseCommentComponent(tagName, textStart, lastNonWhite+1);
                         break;
-                };
+                }
             }
 
             /**
@@ -396,16 +393,15 @@ class Comment {
      * else
      *    return -1.
      */
-    private static int inlineTagFound(DocImpl holder,  String inlinetext, int start) {
+    private static int inlineTagFound(DocImpl holder, String inlinetext, int start) {
         DocEnv docenv = holder.env;
-        int linkstart;
-        if (start == inlinetext.length() ||
-              (linkstart = inlinetext.indexOf("{@", start)) == -1) {
+        int linkstart = inlinetext.indexOf("{@", start);
+        if (start == inlinetext.length() || linkstart == -1) {
             return -1;
-        } else if(inlinetext.indexOf('}', start) == -1) {
+        } else if (inlinetext.indexOf('}', linkstart) == -1) {
             //Missing '}'.
             docenv.warning(holder, "tag.Improper_Use_Of_Link_Tag",
-                          inlinetext.substring(linkstart, inlinetext.length()));
+                    inlinetext.substring(linkstart, inlinetext.length()));
             return -1;
         } else {
             return linkstart;
@@ -425,6 +421,7 @@ class Comment {
     /**
      * Return text for this Doc comment.
      */
+    @Override
     public String toString() {
         return text;
     }

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

@@ -31,7 +31,6 @@ import com.sun.tools.javac.util.List;
 import com.sun.tools.javac.code.Kinds;
 import com.sun.tools.javac.code.Symbol.*;
 import com.sun.tools.javac.comp.Enter;
-import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.tree.JCTree.*;
 import javax.tools.JavaFileObject;
 
@@ -65,6 +64,7 @@ public class JavadocEnter extends Enter {
     final Messager messager;
     final DocEnv docenv;
 
+    @Override
     public void main(List<JCCompilationUnit> trees) {
         // count all Enter errors as warnings.
         int nerrors = messager.nerrors;
@@ -73,6 +73,7 @@ public class JavadocEnter extends Enter {
         messager.nerrors = nerrors;
     }
 
+    @Override
     public void visitTopLevel(JCCompilationUnit tree) {
         super.visitTopLevel(tree);
         if (tree.sourcefile.isNameCompatible("package-info", JavaFileObject.Kind.SOURCE)) {
@@ -81,10 +82,11 @@ public class JavadocEnter extends Enter {
         }
     }
 
+    @Override
     public void visitClassDef(JCClassDecl tree) {
         super.visitClassDef(tree);
-        if (tree.sym != null && tree.sym.kind == Kinds.TYP) {
-            if (tree.sym == null) return;
+        if (tree.sym == null) return;
+        if (tree.sym.kind == Kinds.TYP || tree.sym.kind == Kinds.ERR) {
             String comment = env.toplevel.docComments.get(tree);
             ClassSymbol c = tree.sym;
             docenv.makeClassDoc(c, comment, tree, env.toplevel.lineMap);
@@ -92,6 +94,7 @@ public class JavadocEnter extends Enter {
     }
 
     /** Don't complain about a duplicate class. */
+    @Override
     protected void duplicateClass(DiagnosticPosition pos, ClassSymbol c) {}
 
 }

test/com/sun/javadoc/testLinkTaglet/TestLinkTaglet.java

 /*
- * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2011, 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
@@ -23,9 +23,9 @@
 
 /*
  * @test
- * @bug      4732864 6280605
+ * @bug      4732864 6280605 7064544
  * @summary  Make sure that you can link from one member to another using
- *           non-qualified name.
+ *           non-qualified name, furthermore, ensure the right one is linked.
  * @author   jamieh
  * @library  ../lib/
  * @build    JavadocTester
@@ -36,7 +36,7 @@
 public class TestLinkTaglet extends JavadocTester {
 
     //Test information.
-    private static final String BUG_ID = "4732864-6280605";
+    private static final String BUG_ID = "4732864-6280605-7064544";
 
     //Javadoc arguments.
     private static final String[] ARGS = new String[] {

test/com/sun/javadoc/testLinkTaglet/pkg/C.java

 /*
- * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2011, 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
@@ -34,6 +34,11 @@ package pkg;
 public class C {
 
     public InnerC MEMBER = new InnerC();
+    /**
+     *  A red herring inner class to confuse the matching, thus to
+     *  ensure the right one is linked.
+     */
+    public class RedHerringInnerC {}
 
     /**
      * Link to member in outer class: {@link #MEMBER} <br/>