jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javah/TypeSignature.java@829dea15ff99 (annotated)

src/share/classes/com/sun/tools/javah/TypeSignature.java@829dea15ff99 (annotated)

src/share/classes/com/sun/tools/javah/TypeSignature.java

Thu, 18 Sep 2008 18:39:44 -0700

author: jjg
date: Thu, 18 Sep 2008 18:39:44 -0700
changeset 115: 829dea15ff99
parent 1: 9a66ca7c79fa
child 184: 905e151a185a
permissions: -rw-r--r--

6744408: Extra ouput is appearing in stderr
Reviewed-by: bpatel

 /*
  * Copyright 2002-2003 Sun Microsystems, Inc.  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.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 package com.sun.tools.javah;
 import com.sun.javadoc.*;
 import java.io.*;
 import java.util.*;
 /**
  * Returns internal type signature.
  *
  * @author Sucheta Dambalkar
  */
 public class TypeSignature{
     RootDoc root  = null;
     /* Signature Characters */
     private static final String SIG_VOID                   = "V";
     private static final String SIG_BOOLEAN                = "Z";
     private static final String SIG_BYTE                   = "B";
     private static final String SIG_CHAR                   = "C";
     private static final String SIG_SHORT                  = "S";
     private static final String SIG_INT                    = "I";
     private static final String SIG_LONG                   = "J";
     private static final String SIG_FLOAT                  = "F";
     private static final String SIG_DOUBLE                 = "D";
     private static final String SIG_ARRAY                  = "[";
     private static final String SIG_CLASS                  = "L";
     public TypeSignature(RootDoc root){
         this.root = root;
     }
     /*
      * Returns the type signature of a field according to JVM specs
      */
     public String getTypeSignature(String javasignature){
         return getParamJVMSignature(javasignature);
     }
     /*
      * Returns the type signature of a method according to JVM specs
      */
     public String getTypeSignature(String javasignature, Type returnType){
         String signature = null; //Java type signature.
         String typeSignature = null; //Internal type signature.
         Vector params = new Vector(); //List of parameters.
         String paramsig = null; //Java parameter signature.
         String paramJVMSig = null; //Internal parameter signature.
         String returnSig = null; //Java return type signature.
         String returnJVMType = null; //Internal return type signature.
         String dimension = null; //Array dimension.
         int startIndex = -1;
         int endIndex = -1;
         StringTokenizer st = null;
         int i = 0;
         // Gets the actual java signature without parentheses.
         if(javasignature != null){
             startIndex = javasignature.indexOf("(");
             endIndex = javasignature.indexOf(")");
         }
         if(((startIndex != -1) && (endIndex != -1))
            &&(startIndex+1 < javasignature.length())
            &&(endIndex < javasignature.length())) {
             signature = javasignature.substring(startIndex+1, endIndex);
         }
         // Separates parameters.
         if(signature != null){
             if(signature.indexOf(",") != -1){
                 st = new StringTokenizer(signature, ",");
                 if(st != null){
                     while (st.hasMoreTokens()) {
                         params.add(st.nextToken());
                     }
                 }
             }else {
                 params.add(signature);
             }
         }
         /* JVM type signature. */
         typeSignature = "(";
         // Gets indivisual internal parameter signature.
         while(params.isEmpty() != true){
             paramsig =((String)params.remove(i)).trim();
             paramJVMSig  = getParamJVMSignature(paramsig);
             if(paramJVMSig != null){
                 typeSignature += paramJVMSig;
             }
         }
         typeSignature += ")";
         // Get internal return type signature.
         returnJVMType = "";
         if(returnType != null){
             dimension = returnType.dimension();
         }
         if(dimension != null){
             //Gets array dimension of return type.
             while(dimension.indexOf("[]") != -1){
                 returnJVMType += "[";
                 int stindex = dimension.indexOf("]") + 1;
                 if(stindex <= dimension.length()){
                     dimension = dimension.substring(stindex);
                 }else dimension = "";
             }
         }
         if(returnType != null){
             returnSig = returnType.qualifiedTypeName();
             returnJVMType += getComponentType(returnSig);
         }else {
             System.out.println("Invalid return type.");
         }
         typeSignature += returnJVMType;
         return typeSignature;
     }
     /*
      * Returns internal signature of a parameter.
      */
     private String getParamJVMSignature(String paramsig){
         String paramJVMSig = "";
         String componentType ="";
         if(paramsig != null){
             if(paramsig.indexOf("[]") != -1) {
                 // Gets array dimension.
                 int endindex = paramsig.indexOf("[]");
                 componentType = paramsig.substring(0, endindex);
                 String dimensionString =  paramsig.substring(endindex);
                 if(dimensionString != null){
                     while(dimensionString.indexOf("[]") != -1){
                         paramJVMSig += "[";
                         int beginindex = dimensionString.indexOf("]") + 1;
                         if(beginindex < dimensionString.length()){
                             dimensionString = dimensionString.substring(beginindex);
                         }else
                             dimensionString = "";
                     }
                 }
             } else componentType = paramsig;
             paramJVMSig += getComponentType(componentType);
         }
         return paramJVMSig;
     }
     /*
      * Returns internal signature of a component.
      */
     private String getComponentType(String componentType){
         String JVMSig = "";
         if(componentType != null){
             if(componentType.equals("void")) JVMSig += SIG_VOID ;
             else if(componentType.equals("boolean"))  JVMSig += SIG_BOOLEAN ;
             else if(componentType.equals("byte")) JVMSig += SIG_BYTE ;
             else if(componentType.equals("char"))  JVMSig += SIG_CHAR ;
             else if(componentType.equals("short"))  JVMSig += SIG_SHORT ;
             else if(componentType.equals("int"))  JVMSig += SIG_INT ;
             else if(componentType.equals("long"))  JVMSig += SIG_LONG ;
             else if(componentType.equals("float")) JVMSig += SIG_FLOAT ;
             else if(componentType.equals("double"))  JVMSig += SIG_DOUBLE ;
             else {
                 if(!componentType.equals("")){
                     ClassDoc classNameDoc = root.classNamed(componentType);
                     if(classNameDoc == null){
                         System.out.println("Invalid class type");
                     }else {
                         String classname = classNameDoc.qualifiedName();
                         String newclassname = classname.replace('.', '/');
                         JVMSig += "L";
                         JVMSig += newclassname;
                         JVMSig += ";";
                     }
                 }
             }
         }
         return JVMSig;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javah/TypeSignature.java@829dea15ff99 (annotated)

src/share/classes/com/sun/tools/javah/TypeSignature.java