6597471: unused imports in javax.tools.JavaCompiler

6597531: unused imports and unused private const. in com.sun.tools.javac.Server.java
Reviewed-by: mcimadamore
Contributed-by: davide.angelocola@gmail.com

src/share/classes/com/sun/tools/javac/Server.java

@@ -25,9 +25,6 @@
 
 package com.sun.tools.javac;
 
-import com.sun.tools.javac.main.JavacOption.Option;
-import com.sun.tools.javac.main.RecognizedOptions.GrumpyHelper;
-import com.sun.tools.javac.main.RecognizedOptions;
 import java.io.*;
 import java.net.*;
 import java.util.*;

src/share/classes/com/sun/tools/javac/api/JavacScope.java

@@ -25,41 +25,14 @@
 
 package com.sun.tools.javac.api;
 
-import java.io.IOException;
-import java.lang.ref.SoftReference;
-import java.util.Iterator;
 
 import javax.lang.model.element.Element;
 import javax.lang.model.element.ExecutableElement;
 import javax.lang.model.element.TypeElement;
-import javax.tools.JavaFileObject;
-
-import com.sun.source.tree.Tree;
-import com.sun.source.util.SourcePositions;
-import com.sun.source.util.TreePath;
-import com.sun.source.util.Trees;
-import com.sun.tools.javac.code.Scope;
-import com.sun.tools.javac.code.Symbol.ClassSymbol;
-import com.sun.tools.javac.comp.Attr;
+
 import com.sun.tools.javac.comp.AttrContext;
-import com.sun.tools.javac.comp.Enter;
 import com.sun.tools.javac.comp.Env;
-import com.sun.tools.javac.comp.MemberEnter;
-import com.sun.tools.javac.comp.Resolve;
-import com.sun.tools.javac.tree.JCTree.JCClassDecl;
-import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
-import com.sun.tools.javac.tree.JCTree.JCExpression;
-import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
-import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
-import com.sun.tools.javac.tree.JCTree;
-import com.sun.tools.javac.tree.TreeCopier;
-import com.sun.tools.javac.tree.TreeInfo;
-import com.sun.tools.javac.tree.TreeMaker;
-import com.sun.tools.javac.util.Context;
-import com.sun.tools.javac.util.List;
-import com.sun.tools.javac.util.Log;
-
-import static com.sun.source.tree.Tree.Kind.*;
+
 
 
 /**

src/share/classes/com/sun/tools/javac/api/WrappingJavaFileManager.java

@@ -29,7 +29,6 @@ import java.io.IOException;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import javax.tools.JavaFileObject.Kind;

src/share/classes/com/sun/tools/javac/code/Attribute.java

@@ -30,7 +30,6 @@ import java.util.Map;
 import javax.lang.model.element.AnnotationMirror;
 import javax.lang.model.element.AnnotationValue;
 import javax.lang.model.element.AnnotationValueVisitor;
-import javax.lang.model.element.ExecutableElement;
 import javax.lang.model.type.DeclaredType;
 import com.sun.tools.javac.code.Symbol.*;
 import com.sun.tools.javac.util.*;

src/share/classes/com/sun/tools/javac/code/Type.java

@@ -25,11 +25,8 @@
 
 package com.sun.tools.javac.code;
 
-import javax.lang.model.element.Element;
-import javax.lang.model.type.*;
 import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.code.Symbol.*;
-import javax.lang.model.element.Element;
 
 import javax.lang.model.type.*;
 

src/share/classes/com/sun/tools/javac/code/Types.java

@@ -31,7 +31,6 @@ import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.util.List;
 
 import com.sun.tools.javac.jvm.ClassReader;
-import com.sun.tools.javac.comp.Infer;
 import com.sun.tools.javac.comp.Check;
 
 import static com.sun.tools.javac.code.Type.*;

src/share/classes/com/sun/tools/javac/comp/Enter.java

@@ -26,7 +26,6 @@
 package com.sun.tools.javac.comp;
 
 import java.util.*;
-import java.util.Set;
 import javax.tools.JavaFileObject;
 import javax.tools.JavaFileManager;
 
@@ -43,7 +42,6 @@ import com.sun.tools.javac.tree.JCTree.*;
 
 import static com.sun.tools.javac.code.Flags.*;
 import static com.sun.tools.javac.code.Kinds.*;
-import static com.sun.tools.javac.code.TypeTags.*;
 
 /** This class enters symbols for all encountered definitions into
  *  the symbol table. The pass consists of two phases, organized as

src/share/classes/com/sun/tools/javac/comp/Env.java

@@ -25,7 +25,6 @@
 
 package com.sun.tools.javac.comp;
 
-import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.tree.*;
 import java.util.Iterator;
 import java.util.NoSuchElementException;

src/share/classes/com/sun/tools/javac/comp/Infer.java

@@ -31,8 +31,6 @@ import com.sun.tools.javac.code.*;
 import com.sun.tools.javac.code.Type.*;
 import com.sun.tools.javac.util.JCDiagnostic;
 
-import static com.sun.tools.javac.code.Flags.*;
-import static com.sun.tools.javac.code.Kinds.*;
 import static com.sun.tools.javac.code.TypeTags.*;
 
 /** Helper class for type parameter inference, used by the attribution phase.

src/share/classes/com/sun/tools/javac/jvm/Items.java

@@ -25,7 +25,6 @@
 
 package com.sun.tools.javac.jvm;
 
-import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.code.*;
 
 import com.sun.tools.javac.code.Symbol.*;
@@ -33,7 +32,6 @@ import com.sun.tools.javac.code.Type.*;
 import com.sun.tools.javac.jvm.Code.*;
 import com.sun.tools.javac.tree.JCTree;
 
-import static com.sun.tools.javac.code.TypeTags.*;
 import static com.sun.tools.javac.jvm.ByteCodes.*;
 
 /** A helper class for code generation. Items are objects
@@ -449,9 +447,7 @@ public class Items {
 
         Item invoke() {
             MethodType mtype = (MethodType)member.erasure(types);
-            int argsize = Code.width(mtype.argtypes);
             int rescode = Code.typecode(mtype.restype);
-            int sdiff = Code.width(rescode) - argsize;
             code.emitInvokestatic(pool.put(member), mtype);
             return stackItem[rescode];
         }

src/share/classes/com/sun/tools/javac/jvm/Pool.java

@@ -27,9 +27,7 @@ package com.sun.tools.javac.jvm;
 
 import java.util.*;
 
-import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.code.Symbol.*;
-import com.sun.tools.javac.code.Type;
 
 /** An internal structure that corresponds to the constant pool of a classfile.
  *

src/share/classes/com/sun/tools/javac/main/RecognizedOptions.java

@@ -38,12 +38,10 @@ import com.sun.tools.javac.processing.JavacProcessingEnvironment;
 import java.io.File;
 import java.io.FileWriter;
 import java.io.PrintWriter;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.EnumSet;
 import java.util.LinkedHashSet;
 import java.util.Set;
-import java.util.StringTokenizer;
 import javax.lang.model.SourceVersion;
 
 import static com.sun.tools.javac.main.OptionName.*;

src/share/classes/com/sun/tools/javac/model/FilteredMemberList.java

@@ -25,7 +25,6 @@
 
 package com.sun.tools.javac.model;
 
-import com.sun.tools.javac.util.*;
 import java.util.AbstractList;
 import java.util.Iterator;
 import java.util.NoSuchElementException;

src/share/classes/com/sun/tools/javac/parser/DocCommentScanner.java

@@ -25,7 +25,6 @@
 
 package com.sun.tools.javac.parser;
 
-import java.io.*;
 import java.nio.*;
 
 import com.sun.tools.javac.util.*;

src/share/classes/com/sun/tools/javac/parser/EndPosParser.java

@@ -29,8 +29,6 @@ import java.util.Map;
 import java.util.HashMap;
 import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.tree.TreeInfo;
-import com.sun.tools.javac.util.Position;
-import com.sun.tools.javac.util.List;
 
 import static com.sun.tools.javac.tree.JCTree.*;
 

src/share/classes/com/sun/tools/javac/processing/JavacFiler.java

@@ -34,18 +34,14 @@ import javax.lang.model.element.Element;
 import java.util.*;
 
 import java.io.Closeable;
-import java.io.File;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.io.OutputStreamWriter;
 import java.io.FilterOutputStream;
 import java.io.Reader;
 import java.io.Writer;
 import java.io.FilterWriter;
 import java.io.PrintWriter;
 import java.io.IOException;
-import java.net.URI;
-import javax.tools.FileObject;
 
 import javax.tools.*;
 import static java.util.Collections.*;

src/share/classes/com/sun/tools/javac/processing/JavacMessager.java

@@ -27,15 +27,12 @@ package com.sun.tools.javac.processing;
 
 import com.sun.tools.javac.model.JavacElements;
 import com.sun.tools.javac.util.*;
-import com.sun.tools.javac.comp.*;
 import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.tree.JCTree.*;
-import com.sun.tools.javac.util.Position;
 import javax.lang.model.element.*;
 import javax.tools.JavaFileObject;
 import javax.tools.Diagnostic;
 import javax.annotation.processing.*;
-import java.util.*;
 
 /**
  * An implementation of the Messager built on top of log.

src/share/classes/com/sun/tools/javac/processing/JavacRoundEnvironment.java

@@ -26,8 +26,6 @@
 package com.sun.tools.javac.processing;
 
 import java.lang.annotation.Annotation;
-import com.sun.tools.javac.util.*;
-import com.sun.tools.javac.comp.*;
 import com.sun.tools.javac.tree.JCTree.*;
 import javax.annotation.processing.*;
 import javax.lang.model.element.*;

src/share/classes/com/sun/tools/javac/processing/PrintingProcessor.java

@@ -32,7 +32,6 @@ import static javax.lang.model.element.ElementKind.*;
 import static javax.lang.model.element.NestingKind.*;
 import javax.lang.model.type.*;
 import javax.lang.model.util.*;
-import static javax.lang.model.util.ElementFilter.*;
 
 import java.io.PrintWriter;
 import java.io.Writer;

src/share/classes/com/sun/tools/javac/processing/ServiceProxy.java

@@ -32,10 +32,6 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Set;
 
 /**
  * Utility class to determine if a service can be found on the

src/share/classes/com/sun/tools/javac/sym/CreateSymbols.java

@@ -39,7 +39,6 @@ import com.sun.tools.javac.jvm.Pool;
 import com.sun.tools.javac.processing.JavacProcessingEnvironment;
 import com.sun.tools.javac.util.List;
 import com.sun.tools.javac.util.Pair;
-import com.sun.tools.javac.util.Name;
 
 import java.io.File;
 import java.io.IOException;
@@ -47,7 +46,6 @@ import java.util.ArrayList;
 import java.util.EnumSet;
 import java.util.Enumeration;
 import java.util.HashSet;
-import java.util.Properties;
 import java.util.ResourceBundle;
 import java.util.Set;
 

src/share/classes/com/sun/tools/javac/tree/JCTree.java

@@ -27,9 +27,7 @@ package com.sun.tools.javac.tree;
 
 import java.util.*;
 
-import java.io.File;
 import java.io.IOException;
-import java.io.PrintWriter;
 import java.io.StringWriter;
 import javax.lang.model.element.Modifier;
 import javax.lang.model.type.TypeKind;
@@ -41,7 +39,6 @@ import com.sun.tools.javac.util.List;
 import com.sun.tools.javac.code.*;
 import com.sun.tools.javac.code.Scope;
 import com.sun.tools.javac.code.Symbol.*;
-import com.sun.source.tree.Tree;
 import com.sun.source.tree.*;
 
 import static com.sun.tools.javac.code.BoundKind.*;

src/share/classes/com/sun/tools/javac/tree/TreeCopier.java

@@ -25,12 +25,10 @@
 
 package com.sun.tools.javac.tree;
 
-import com.sun.source.tree.Tree;
 import com.sun.source.tree.*;
 import com.sun.tools.javac.tree.JCTree.*;
 import com.sun.tools.javac.util.List;
 import com.sun.tools.javac.util.ListBuffer;
-import java.util.Map;
 
 /**
  * Creates a copy of a tree, using a given TreeMaker.

src/share/classes/com/sun/tools/javac/tree/TreeInfo.java

@@ -35,7 +35,6 @@ import com.sun.tools.javac.code.*;
 import com.sun.tools.javac.tree.JCTree.*;
 
 import static com.sun.tools.javac.code.Flags.*;
-import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition;
 
 /** Utility class containing inspector methods for trees.
  *

src/share/classes/com/sun/tools/javac/util/Context.java

@@ -25,7 +25,6 @@
 
 package com.sun.tools.javac.util;
 
-import com.sun.tools.javac.Main;
 import java.util.*;
 
 /**