jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javah/LLNI.java@905e151a185a (annotated)

src/share/classes/com/sun/tools/javah/LLNI.java@905e151a185a (annotated)

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

Tue, 13 Jan 2009 13:27:14 +0000

author: mcimadamore
date: Tue, 13 Jan 2009 13:27:14 +0000
changeset 184: 905e151a185a
parent 1: 9a66ca7c79fa
child 416: c287d51c57da
permissions: -rw-r--r--

6765045: Remove rawtypes warnings from langtools
Summary: Removed all occurrences of rawtypes warnings from langtools
Reviewed-by: jjg, bpatel

 /*
  * Copyright 2002-2005 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 java.io.File;
 import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.util.Hashtable;
 import com.sun.javadoc.*;
  /*
   * @author  Sucheta Dambalkar(Revised)
   */
 public class LLNI extends Gen {
     protected final char  pathChar = File.separatorChar;
     protected final char  innerDelim = '$';     /* For inner classes */
     protected Hashtable<Object, Object>   doneHandleTypes;
     MemberDoc []fields;
     MemberDoc [] methods;
     private boolean       doubleAlign;
     private int           padFieldNum = 0;
     LLNI(boolean doubleAlign, RootDoc root) {
         super(root);
         this.doubleAlign = doubleAlign;
     }
     protected String getIncludes() {
         return "";
     }
     protected void write(OutputStream o, ClassDoc clazz)
         throws ClassNotFoundException {
         String cname     = mangleClassName(clazz.qualifiedName());
         PrintWriter pw   = wrapWriter(o);
         fields = clazz.fields();
         methods = clazz.methods();
         generateDeclsForClass(pw, clazz, cname);
     }
     protected void generateDeclsForClass(PrintWriter pw,
                                          ClassDoc clazz, String cname)
         throws ClassNotFoundException {
         doneHandleTypes  = new Hashtable<Object, Object>();
         /* The following handle types are predefined in "typedefs.h". Suppress
            inclusion in the output by generating them "into the blue" here. */
         genHandleType(null, "java.lang.Class");
         genHandleType(null, "java.lang.ClassLoader");
         genHandleType(null, "java.lang.Object");
         genHandleType(null, "java.lang.String");
         genHandleType(null, "java.lang.Thread");
         genHandleType(null, "java.lang.ThreadGroup");
         genHandleType(null, "java.lang.Throwable");
         pw.println("/* LLNI Header for class " + clazz.qualifiedName() + " */" + lineSep);
         pw.println("#ifndef _Included_" + cname);
         pw.println("#define _Included_" + cname);
         pw.println("#include \"typedefs.h\"");
         pw.println("#include \"llni.h\"");
         pw.println("#include \"jni.h\"" + lineSep);
         forwardDecls(pw, clazz);
         structSectionForClass(pw, clazz, cname);
         methodSectionForClass(pw, clazz, cname);
         pw.println("#endif");
     }
     protected void genHandleType(PrintWriter pw, String clazzname) {
         String cname = mangleClassName(clazzname);
         if (!doneHandleTypes.containsKey(cname)) {
             doneHandleTypes.put(cname, cname);
             if (pw != null) {
                 pw.println("#ifndef DEFINED_" + cname);
                 pw.println("    #define DEFINED_" + cname);
                 pw.println("    GEN_HANDLE_TYPES(" + cname + ");");
                 pw.println("#endif" + lineSep);
             }
         }
     }
     protected String mangleClassName(String s) {
         return s.replace('.', '_')
             .replace(pathChar, '_')
             .replace(innerDelim, '_');
     }
     protected void forwardDecls(PrintWriter pw, ClassDoc clazz)
         throws ClassNotFoundException {
         ClassDoc clazzfield = null;
         if (clazz.qualifiedName().equals("java.lang.Object"))
             return;
         genHandleType(pw, clazz.qualifiedName());
         ClassDoc superClass = clazz.superclass();
         if(superClass != null){
             String superClassName = superClass.qualifiedName();
             forwardDecls(pw, superClass);
         }
         for (int i = 0; i < fields.length; i++) {
             FieldDoc field = (FieldDoc)fields[i];
             if (!field.isStatic()) {
                 Type t = field.type();
                 String tname = t.qualifiedTypeName();
                 TypeSignature newTypeSig = new TypeSignature(root);
                 String sig = newTypeSig.getTypeSignature(tname);
                 if (sig.charAt(0) != '[')
                     forwardDeclsFromSig(pw, sig);
             }
         }
         for (int i = 0; i < methods.length; i++) {
             MethodDoc method = (MethodDoc)methods[i];
             if (method.isNative()) {
                 Type retType = method.returnType();
                 String typesig = method.signature();
                 TypeSignature newTypeSig = new TypeSignature(root);
                 String sig = newTypeSig.getTypeSignature(typesig, retType);
                 if (sig.charAt(0) != '[')
                     forwardDeclsFromSig(pw, sig);
             }
         }
     }
     protected void forwardDeclsFromSig(PrintWriter pw, String sig) {
         int    len = sig.length();
         int    i   = sig.charAt(0) == '(' ? 1 : 0;
         /* Skip the initial "(". */
         while (i < len) {
             if (sig.charAt(i) == 'L') {
                 int j = i + 1;
                 while (sig.charAt(j) != ';') j++;
                 genHandleType(pw, sig.substring(i + 1, j));
                 i = j + 1;
             } else {
                 i++;
             }
         }
     }
     protected void structSectionForClass(PrintWriter pw,
                                          ClassDoc jclazz, String cname)
         throws ClassNotFoundException {
         String jname = jclazz.qualifiedName();
         if (cname.equals("java_lang_Object")) {
             pw.println("/* struct java_lang_Object is defined in typedefs.h. */");
             pw.println();
             return;
         }
         pw.println("#if !defined(__i386)");
         pw.println("#pragma pack(4)");
         pw.println("#endif");
         pw.println();
         pw.println("struct " + cname + " {");
         pw.println("    ObjHeader h;");
         pw.print(fieldDefs(jclazz, cname));
         if (jname.equals("java.lang.Class"))
             pw.println("    Class *LLNI_mask(cClass);" +
                        "  /* Fake field; don't access (see oobj.h) */");
         pw.println("};" + lineSep + lineSep + "#pragma pack()");
         pw.println();
         return;
     }
     private static class FieldDefsRes {
         public String className;        /* Name of the current class. */
         public FieldDefsRes parent;
         public String s;
         public int byteSize;
         public boolean bottomMost;
         public boolean printedOne = false;
         FieldDefsRes(ClassDoc clazz, FieldDefsRes parent, boolean bottomMost) {
             this.className = clazz.qualifiedName();
             this.parent = parent;
             this.bottomMost = bottomMost;
             int byteSize = 0;
             if (parent == null) this.s = "";
             else this.s = parent.s;
         }
     }
     /* Returns "true" iff added a field. */
     private boolean doField(FieldDefsRes res, FieldDoc field,
                             String cname, boolean padWord)
         throws ClassNotFoundException {
         String fieldDef = addStructMember(field, cname, padWord);
         if (fieldDef != null) {
             if (!res.printedOne) { /* add separator */
                 if (res.bottomMost) {
                     if (res.s.length() != 0)
                         res.s = res.s + "    /* local members: */" + lineSep;
                 } else {
                     res.s = res.s + "    /* inherited members from " +
                         res.className + ": */" + lineSep;
                 }
                 res.printedOne = true;
             }
             res.s = res.s + fieldDef;
             return true;
         }
         // Otherwise.
         return false;
     }
     private int doTwoWordFields(FieldDefsRes res, ClassDoc clazz,
                                 int offset, String cname, boolean padWord)
         throws ClassNotFoundException {
         boolean first = true;
         FieldDoc[] fields = clazz.fields();
         for (int i = 0; i <fields.length; i++) {
             FieldDoc field = fields[i];
             String tc =field.type().typeName();
             boolean twoWords = (tc.equals("long") || tc.equals("double"));
             if (twoWords && doField(res, field, cname, first && padWord)) {
                 offset += 8; first = false;
             }
         }
         return offset;
     }
     protected String fieldDefs(ClassDoc clazz, String cname)
         throws ClassNotFoundException {
         FieldDefsRes res = fieldDefs(clazz, cname, true);
         return res.s;
     }
     protected FieldDefsRes fieldDefs(ClassDoc clazz, String cname,
                                      boolean bottomMost)
         throws ClassNotFoundException {
         FieldDefsRes res;
         int offset;
         boolean didTwoWordFields = false;
         ClassDoc superclazz = clazz.superclass();
         if (superclazz != null) {
             String supername = superclazz.qualifiedName();
             res = new FieldDefsRes(clazz,
                                    fieldDefs(superclazz, cname, false),
                                    bottomMost);
             offset = res.parent.byteSize;
         } else {
             res = new FieldDefsRes(clazz, null, bottomMost);
             offset = 0;
         }
         FieldDoc[] fields = clazz.fields();
         for (int i = 0; i < fields.length; i++) {
             FieldDoc field = fields[i];
             if (doubleAlign && !didTwoWordFields && (offset % 8) == 0) {
                 offset = doTwoWordFields(res, clazz, offset, cname, false);
                 didTwoWordFields = true;
             }
             String tc = field.type().typeName();
             boolean twoWords = (tc.equals("long") ||tc.equals("double"));
             if (!doubleAlign || !twoWords) {
                 if (doField(res, field, cname, false)) offset += 4;
             }
         }
         if (doubleAlign && !didTwoWordFields) {
             if ((offset % 8) != 0) offset += 4;
             offset = doTwoWordFields(res, clazz, offset, cname, true);
         }
         res.byteSize = offset;
         return res;
     }
     /* OVERRIDE: This method handles instance fields */
     protected String addStructMember(FieldDoc member, String cname,
                                      boolean padWord)
         throws ClassNotFoundException {
         String res = null;
         if (member.isStatic()) {
             res = addStaticStructMember(member, cname);
             //   if (res == null) /* JNI didn't handle it, print comment. */
             //  res = "    /* Inaccessible static: " + member + " */" + lineSep;
         } else {
             if (padWord) res = "    java_int padWord" + padFieldNum++ + ";" + lineSep;
             res = "    " + llniType(member.type(), false, false) + " " + llniFieldName(member);
             if (isLongOrDouble(member.type())) res = res + "[2]";
             res = res + ";" + lineSep;
         }
         return res;
     }
     static private final boolean isWindows =
         System.getProperty("os.name").startsWith("Windows");
     /*
      * This method only handles static final fields.
      */
     protected String addStaticStructMember(FieldDoc field, String cname)
         throws ClassNotFoundException {
         String res = null;
         Object exp = null;
         if (!field.isStatic())
             return res;
         if (!field.isFinal())
             return res;
         exp = field.constantValue();
         if (exp != null) {
             /* Constant. */
             String     cn     = cname + "_" + field.name();
             String     suffix = null;
             long           val = 0;
             /* Can only handle int, long, float, and double fields. */
             if (exp instanceof Integer) {
                 suffix = "L";
                 val = ((Integer)exp).intValue();
             }
             if (exp instanceof Long) {
                 // Visual C++ supports the i64 suffix, not LL
                 suffix = isWindows ? "i64" : "LL";
                 val = ((Long)exp).longValue();
             }
             if (exp instanceof Float)  suffix = "f";
             if (exp instanceof Double) suffix = "";
             if (suffix != null) {
                 // Some compilers will generate a spurious warning
                 // for the integer constants for Integer.MIN_VALUE
                 // and Long.MIN_VALUE so we handle them specially.
                 if ((suffix.equals("L") && (val == Integer.MIN_VALUE)) ||
                     (suffix.equals("LL") && (val == Long.MIN_VALUE))) {
                     res = "    #undef  " + cn + lineSep
                         + "    #define " + cn
                         + " (" + (val + 1) + suffix + "-1)" + lineSep;
                 } else {
                     res = "    #undef  " + cn + lineSep
                         + "    #define " + cn + " "+ exp.toString() + suffix + lineSep;
                 }
             }
         }
         return res;
     }
     protected void methodSectionForClass(PrintWriter pw,
                                          ClassDoc clazz, String cname)
         throws ClassNotFoundException {
         String methods = methodDecls(clazz, cname);
         if (methods.length() != 0) {
             pw.println("/* Native method declarations: */" + lineSep);
             pw.println("#ifdef __cplusplus");
             pw.println("extern \"C\" {");
             pw.println("#endif" + lineSep);
             pw.println(methods);
             pw.println("#ifdef __cplusplus");
             pw.println("}");
             pw.println("#endif");
         }
     }
     protected String methodDecls(ClassDoc clazz, String cname)
         throws ClassNotFoundException {
         String res = "";
         for (int i = 0; i < methods.length; i++) {
             MethodDoc method = (MethodDoc)methods[i];
             if (method.isNative())
                 res = res + methodDecl(method, clazz, cname);
         }
         return res;
     }
     protected String methodDecl(MethodDoc method,
                                 ClassDoc clazz, String cname)
         throws ClassNotFoundException {
         String res = null;
         Type retType = method.returnType();
         String typesig = method.signature();
         TypeSignature newTypeSig = new TypeSignature(root);
         String sig = newTypeSig.getTypeSignature(typesig, retType);
         boolean longName = needLongName(method, clazz);
         if (sig.charAt(0) != '(')
             Util.error("invalid.method.signature", sig);
         res = "JNIEXPORT " + jniType(retType) + " JNICALL" + lineSep + jniMethodName(method, cname, longName)
             + "(JNIEnv *, " + cRcvrDecl(method, cname);
         Parameter[] params = method.parameters();
         Type argTypes[] = new Type[params.length];
         for(int p = 0; p <  params.length; p++){
             argTypes[p] =  params[p].type();
         }
         /* It would have been nice to include the argument names in the
            declaration, but there seems to be a bug in the "BinaryField"
            class, causing the getArguments() method to return "null" for
            most (non-constructor) methods. */
         for (int i = 0; i < argTypes.length; i++)
             res = res + ", " + jniType(argTypes[i]);
         res = res + ");" + lineSep;
         return res;
     }
     protected final boolean needLongName(MethodDoc method,
                                          ClassDoc clazz)
         throws ClassNotFoundException {
         String methodName = method.name();
         for (int i = 0; i < methods.length; i++) {
             MethodDoc memberMethod = (MethodDoc) methods[i];
             if ((memberMethod != method) &&
                 memberMethod.isNative() && (methodName == memberMethod.name()))
                 return true;
         }
         return false;
     }
     protected final String jniMethodName(MethodDoc method, String cname,
                                          boolean longName) {
         String res = "Java_" + cname + "_" + method.name();
         if (longName) {
             Type mType =  method.returnType();
             Parameter[] params = method.parameters();
             Type argTypes[] = new Type[params.length];
             for(int p = 0; p <  params.length; p++){
                 argTypes[p] =  params[p].type();
             }
             res = res + "__";
             for (int i = 0; i < argTypes.length; i++){
                 Type t = argTypes[i];
                 String tname = t.typeName();
                 TypeSignature newTypeSig = new TypeSignature(root);
                 String sig = newTypeSig.getTypeSignature(tname);
                 res = res + nameToIdentifier(sig);
             }
         }
         return res;
     }
     protected final String jniType(Type t) {
         String elmT =t.typeName();
         if (t.dimension().indexOf("[]") != -1) {
             if(elmT.equals("boolean"))return "jbooleanArray";
             else if(elmT.equals("byte"))return "jbyteArray";
             else if(elmT.equals("char"))return "jcharArray";
             else if(elmT.equals("short"))return "jshortArray";
             else if(elmT.equals("int"))return "jintArray";
             else if(elmT.equals("long"))return "jlongArray";
             else if(elmT.equals("float"))return "jfloatArray";
             else if(elmT.equals("double"))return "jdoubleArray";
             else if((t.dimension().indexOf("[][]") != -1) || (t.asClassDoc() != null))  return "jobjectArray";
         } else {
             if(elmT.equals("void"))return "void";
             else if(elmT.equals("boolean"))return "jboolean";
             else if(elmT.equals("byte"))return "jbyte";
             else if(elmT.equals("char"))return "jchar";
             else if(elmT.equals("short"))return "jshort";
             else if(elmT.equals("int"))return "jint";
             else if(elmT.equals("long"))return "jlong";
             else if(elmT.equals("float"))return "jfloat";
             else if(elmT.equals("double"))return "jdouble";
             else if (t.asClassDoc() != null) {
                 if (elmT.equals("String"))
                     return "jstring";
                 else if (t.asClassDoc().subclassOf(root.classNamed("java.lang.Class")))
                     return "jclass";
                 else
                     return "jobject";
             }
         }
         Util.bug("jni.unknown.type");
         return null; /* dead code. */
     }
     protected String llniType(Type t, boolean handleize, boolean longDoubleOK) {
         String res = null;
         String elmt = t.typeName();
         if (t.dimension().indexOf("[]") != -1) {
             if((t.dimension().indexOf("[][]") != -1)
                || (t.asClassDoc() != null)) res = "IArrayOfRef";
             else if(elmt.equals("boolean")) res =  "IArrayOfBoolean";
             else if(elmt.equals("byte")) res =  "IArrayOfByte";
             else if(elmt.equals("char")) res =  "IArrayOfChar";
             else if(elmt.equals("int")) res =  "IArrayOfInt";
             else if(elmt.equals("long")) res =  "IArrayOfLong";
             else if(elmt.equals("float")) res =  "IArrayOfFloat";
             else if(elmt.equals("double")) res =  "IArrayOfDouble";
             if (!handleize) res = "DEREFERENCED_" + res;
         } else {
             if(elmt.equals("void")) res =  "void";
             else if( (elmt.equals("boolean")) || (elmt.equals("byte"))
                      ||(elmt.equals("char")) || (elmt.equals("short"))
                      || (elmt.equals("int")))   res = "java_int";
             else   if(elmt.equals("long")) res = longDoubleOK
                                                ? "java_long" : "val32 /* java_long */";
             else   if(elmt.equals("float")) res =  "java_float";
             else   if(elmt.equals("double")) res =  res = longDoubleOK
                                                  ? "java_double" : "val32 /* java_double */";
             else if(t.asClassDoc() != null) {
                 res = "I" +  mangleClassName(t.asClassDoc().qualifiedName());
                 if (!handleize) res = "DEREFERENCED_" + res;
             }
         }
         return res;
     }
     protected final String cRcvrDecl(MemberDoc field, String cname) {
         return (field.isStatic() ? "jclass" : "jobject");
     }
     protected String maskName(String s) {
         return "LLNI_mask(" + s + ")";
     }
     protected String llniFieldName(MemberDoc field) {
         return maskName(field.name());
     }
     protected final boolean isLongOrDouble(Type t) {
         String tc = t.typeName();
         return (tc.equals("long") || tc.equals("double"));
     }
     /* Do unicode to ansi C identifier conversion.
        %%% This may not be right, but should be called more often. */
     protected final String nameToIdentifier(String name) {
         int len = name.length();
         StringBuffer buf = new StringBuffer(len);
         for (int i = 0; i < len; i++) {
             char c = name.charAt(i);
             if (isASCIILetterOrDigit(c))
                 buf.append(c);
             else if (c == '/')
                 buf.append('_');
             else if (c == '.')
                 buf.append('_');
             else if (c == '_')
                 buf.append("_1");
             else if (c == ';')
                 buf.append("_2");
             else if (c == '[')
                 buf.append("_3");
             else
                 buf.append("_0" + ((int)c));
         }
         return new String(buf);
     }
     protected final boolean isASCIILetterOrDigit(char c) {
         if (((c >= 'A') && (c <= 'Z')) ||
             ((c >= 'a') && (c <= 'z')) ||
             ((c >= '0') && (c <= '9')))
             return true;
         else
             return false;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javah/LLNI.java@905e151a185a (annotated)

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